140 files changed, 10754 insertions, 0 deletions

diff --git a/crates/syntax/test_data/parser/ok/0000_empty.rast b/crates/syntax/test_data/parser/ok/0000_empty.rast
new file mode 100644
index 000000000..6b234b0b2
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0000_empty.rast
@@ -0,0 +1 @@
+[email protected]
diff --git a/crates/syntax/test_data/parser/ok/0000_empty.rs b/crates/syntax/test_data/parser/ok/0000_empty.rs
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0000_empty.rs
diff --git a/crates/syntax/test_data/parser/ok/0001_struct_item.rast b/crates/syntax/test_data/parser/ok/0001_struct_item.rast
new file mode 100644
index 000000000..a171fe7a8
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0001_struct_item.rast
@@ -0,0 +1,39 @@
+[email protected]
+  [email protected]
+    [email protected] "struct"
+    [email protected] " "
+    [email protected]
+      [email protected] "S"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected]
+          [email protected] "T"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "Copy"
+      [email protected] ">"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected] "f"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "T"
+      [email protected] ","
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0001_struct_item.rs b/crates/syntax/test_data/parser/ok/0001_struct_item.rs
new file mode 100644
index 000000000..512aeb3e7
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0001_struct_item.rs
@@ -0,0 +1,3 @@
+struct S<T: Copy> {
+    f: T,
+}
diff --git a/crates/syntax/test_data/parser/ok/0002_struct_item_field.rast b/crates/syntax/test_data/parser/ok/0002_struct_item_field.rast
new file mode 100644
index 000000000..362892b91
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0002_struct_item_field.rast
@@ -0,0 +1,22 @@
+[email protected]
+  [email protected]
+    [email protected] "struct"
+    [email protected] " "
+    [email protected]
+      [email protected] "S"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected] "foo"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "u32"
+      [email protected] "\n"
+      [email protected] "}"
diff --git a/crates/syntax/test_data/parser/ok/0002_struct_item_field.rs b/crates/syntax/test_data/parser/ok/0002_struct_item_field.rs
new file mode 100644
index 000000000..cc3866d25
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0002_struct_item_field.rs
@@ -0,0 +1,3 @@
+struct S {
+    foo: u32
+}
\ No newline at end of file
diff --git a/crates/syntax/test_data/parser/ok/0004_file_shebang.rast b/crates/syntax/test_data/parser/ok/0004_file_shebang.rast
new file mode 100644
index 000000000..67e21df13
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0004_file_shebang.rast
@@ -0,0 +1,2 @@
+[email protected]
+  [email protected] "#!/use/bin/env rusti"
diff --git a/crates/syntax/test_data/parser/ok/0004_file_shebang.rs b/crates/syntax/test_data/parser/ok/0004_file_shebang.rs
new file mode 100644
index 000000000..53dc9e617
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0004_file_shebang.rs
@@ -0,0 +1 @@
+#!/use/bin/env rusti
\ No newline at end of file
diff --git a/crates/syntax/test_data/parser/ok/0005_fn_item.rast b/crates/syntax/test_data/parser/ok/0005_fn_item.rast
new file mode 100644
index 000000000..a7a2b11a7
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0005_fn_item.rast
@@ -0,0 +1,15 @@
+[email protected]
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "foo"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0005_fn_item.rs b/crates/syntax/test_data/parser/ok/0005_fn_item.rs
new file mode 100644
index 000000000..03210551c
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0005_fn_item.rs
@@ -0,0 +1,2 @@
+fn foo() {
+}
diff --git a/crates/syntax/test_data/parser/ok/0006_inner_attributes.rast b/crates/syntax/test_data/parser/ok/0006_inner_attributes.rast
new file mode 100644
index 000000000..42587243a
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0006_inner_attributes.rast
@@ -0,0 +1,184 @@
+[email protected]
+  [email protected]
+    [email protected] "#"
+    [email protected] "!"
+    [email protected] "["
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected] "attr"
+    [email protected] "]"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "#"
+    [email protected] "!"
+    [email protected] "["
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected] "attr"
+    [email protected]
+      [email protected] "("
+      [email protected] "true"
+      [email protected] ")"
+    [email protected] "]"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "#"
+    [email protected] "!"
+    [email protected] "["
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected] "attr"
+    [email protected]
+      [email protected] "("
+      [email protected] "ident"
+      [email protected] ")"
+    [email protected] "]"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "#"
+    [email protected] "!"
+    [email protected] "["
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected] "attr"
+    [email protected]
+      [email protected] "("
+      [email protected] "ident"
+      [email protected] ","
+      [email protected] " "
+      [email protected] "100"
+      [email protected] ","
+      [email protected] " "
+      [email protected] "true"
+      [email protected] ","
+      [email protected] " "
+      [email protected] "\"true\""
+      [email protected] ","
+      [email protected] " "
+      [email protected] "ident"
+      [email protected] " "
+      [email protected] "="
+      [email protected] " "
+      [email protected] "100"
+      [email protected] ","
+      [email protected] " "
+      [email protected] "ident"
+      [email protected] " "
+      [email protected] "="
+      [email protected] " "
+      [email protected] "\"hello\""
+      [email protected] ","
+      [email protected] " "
+      [email protected] "ident"
+      [email protected]
+        [email protected] "("
+        [email protected] "100"
+        [email protected] ")"
+      [email protected] ")"
+    [email protected] "]"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "#"
+    [email protected] "!"
+    [email protected] "["
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected] "attr"
+    [email protected]
+      [email protected] "("
+      [email protected] "100"
+      [email protected] ")"
+    [email protected] "]"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "#"
+    [email protected] "!"
+    [email protected] "["
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected] "attr"
+    [email protected]
+      [email protected] "("
+      [email protected] "enabled"
+      [email protected] " "
+      [email protected] "="
+      [email protected] " "
+      [email protected] "true"
+      [email protected] ")"
+    [email protected] "]"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "#"
+    [email protected] "!"
+    [email protected] "["
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected] "enabled"
+    [email protected]
+      [email protected] "("
+      [email protected] "true"
+      [email protected] ")"
+    [email protected] "]"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "#"
+    [email protected] "!"
+    [email protected] "["
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected] "attr"
+    [email protected]
+      [email protected] "("
+      [email protected] "\"hello\""
+      [email protected] ")"
+    [email protected] "]"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "#"
+    [email protected] "!"
+    [email protected] "["
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected] "repr"
+    [email protected]
+      [email protected] "("
+      [email protected] "C"
+      [email protected] ","
+      [email protected] " "
+      [email protected] "align"
+      [email protected] " "
+      [email protected] "="
+      [email protected] " "
+      [email protected] "4"
+      [email protected] ")"
+    [email protected] "]"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "#"
+    [email protected] "!"
+    [email protected] "["
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected] "repr"
+    [email protected]
+      [email protected] "("
+      [email protected] "C"
+      [email protected] ","
+      [email protected] " "
+      [email protected] "align"
+      [email protected]
+        [email protected] "("
+        [email protected] "4"
+        [email protected] ")"
+      [email protected] ")"
+    [email protected] "]"
diff --git a/crates/syntax/test_data/parser/ok/0006_inner_attributes.rs b/crates/syntax/test_data/parser/ok/0006_inner_attributes.rs
new file mode 100644
index 000000000..e81f8b1e8
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0006_inner_attributes.rs
@@ -0,0 +1,10 @@
+#![attr]
+#![attr(true)]
+#![attr(ident)]
+#![attr(ident, 100, true, "true", ident = 100, ident = "hello", ident(100))]
+#![attr(100)]
+#![attr(enabled = true)]
+#![enabled(true)]
+#![attr("hello")]
+#![repr(C, align = 4)]
+#![repr(C, align(4))]
\ No newline at end of file
diff --git a/crates/syntax/test_data/parser/ok/0007_extern_crate.rast b/crates/syntax/test_data/parser/ok/0007_extern_crate.rast
new file mode 100644
index 000000000..594c2f8f2
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0007_extern_crate.rast
@@ -0,0 +1,39 @@
+[email protected]
+  [email protected]
+    [email protected] "extern"
+    [email protected] " "
+    [email protected] "crate"
+    [email protected] " "
+    [email protected]
+      [email protected] "foo"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "extern"
+    [email protected] " "
+    [email protected] "crate"
+    [email protected] " "
+    [email protected]
+      [email protected] "foo"
+    [email protected] " "
+    [email protected]
+      [email protected] "as"
+      [email protected] " "
+      [email protected]
+        [email protected] "bar"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "extern"
+    [email protected] " "
+    [email protected] "crate"
+    [email protected] " "
+    [email protected] "self"
+    [email protected] " "
+    [email protected]
+      [email protected] "as"
+      [email protected] " "
+      [email protected]
+        [email protected] "baz"
+    [email protected] ";"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0007_extern_crate.rs b/crates/syntax/test_data/parser/ok/0007_extern_crate.rs
new file mode 100644
index 000000000..ab81a608c
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0007_extern_crate.rs
@@ -0,0 +1,3 @@
+extern crate foo;
+extern crate foo as bar;
+extern crate self as baz;
diff --git a/crates/syntax/test_data/parser/ok/0008_mod_item.rast b/crates/syntax/test_data/parser/ok/0008_mod_item.rast
new file mode 100644
index 000000000..b2c1d791f
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0008_mod_item.rast
@@ -0,0 +1,92 @@
+[email protected]
+  [email protected]
+    [email protected] "mod"
+    [email protected] " "
+    [email protected]
+      [email protected] "a"
+    [email protected] ";"
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "mod"
+    [email protected] " "
+    [email protected]
+      [email protected] "b"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "mod"
+    [email protected] " "
+    [email protected]
+      [email protected] "c"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "fn"
+        [email protected] " "
+        [email protected]
+          [email protected] "foo"
+        [email protected]
+          [email protected] "("
+          [email protected] ")"
+        [email protected] " "
+        [email protected]
+          [email protected] "{"
+          [email protected] "\n    "
+          [email protected] "}"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "struct"
+        [email protected] " "
+        [email protected]
+          [email protected] "S"
+        [email protected] " "
+        [email protected]
+          [email protected] "{"
+          [email protected] "}"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "mod"
+    [email protected] " "
+    [email protected]
+      [email protected] "d"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "#"
+        [email protected] "!"
+        [email protected] "["
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected] "attr"
+        [email protected] "]"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "mod"
+        [email protected] " "
+        [email protected]
+          [email protected] "e"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "mod"
+        [email protected] " "
+        [email protected]
+          [email protected] "f"
+        [email protected] " "
+        [email protected]
+          [email protected] "{"
+          [email protected] "\n    "
+          [email protected] "}"
+      [email protected] "\n"
+      [email protected] "}"
diff --git a/crates/syntax/test_data/parser/ok/0008_mod_item.rs b/crates/syntax/test_data/parser/ok/0008_mod_item.rs
new file mode 100644
index 000000000..d22993bc1
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0008_mod_item.rs
@@ -0,0 +1,17 @@
+mod a;
+
+mod b {
+}
+
+mod c {
+    fn foo() {
+    }
+    struct S {}
+}
+
+mod d {
+    #![attr]
+    mod e;
+    mod f {
+    }
+}
\ No newline at end of file
diff --git a/crates/syntax/test_data/parser/ok/0009_use_item.rast b/crates/syntax/test_data/parser/ok/0009_use_item.rast
new file mode 100644
index 000000000..6be1cf9fc
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0009_use_item.rast
@@ -0,0 +1,21 @@
+[email protected]
+  [email protected]
+    [email protected] "use"
+    [email protected] " "
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "foo"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "use"
+    [email protected] " "
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected] "::"
+          [email protected]
+            [email protected] "bar"
+    [email protected] ";"
diff --git a/crates/syntax/test_data/parser/ok/0009_use_item.rs b/crates/syntax/test_data/parser/ok/0009_use_item.rs
new file mode 100644
index 000000000..05a6aff83
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0009_use_item.rs
@@ -0,0 +1,2 @@
+use foo;
+use ::bar;
\ No newline at end of file
diff --git a/crates/syntax/test_data/parser/ok/0010_use_path_segments.rast b/crates/syntax/test_data/parser/ok/0010_use_path_segments.rast
new file mode 100644
index 000000000..4d49e7933
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0010_use_path_segments.rast
@@ -0,0 +1,42 @@
+[email protected]
+  [email protected]
+    [email protected] "use"
+    [email protected] " "
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected] "::"
+              [email protected]
+                [email protected] "foo"
+          [email protected] "::"
+          [email protected]
+            [email protected]
+              [email protected] "bar"
+        [email protected] "::"
+        [email protected]
+          [email protected]
+            [email protected] "baz"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "use"
+    [email protected] " "
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "foo"
+          [email protected] "::"
+          [email protected]
+            [email protected]
+              [email protected] "bar"
+        [email protected] "::"
+        [email protected]
+          [email protected]
+            [email protected] "baz"
+    [email protected] ";"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0010_use_path_segments.rs b/crates/syntax/test_data/parser/ok/0010_use_path_segments.rs
new file mode 100644
index 000000000..1e71b7a6c
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0010_use_path_segments.rs
@@ -0,0 +1,2 @@
+use ::foo::bar::baz;
+use foo::bar::baz;
diff --git a/crates/syntax/test_data/parser/ok/0011_outer_attribute.rast b/crates/syntax/test_data/parser/ok/0011_outer_attribute.rast
new file mode 100644
index 000000000..478fdba75
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0011_outer_attribute.rast
@@ -0,0 +1,57 @@
+[email protected]
+  [email protected]
+    [email protected]
+      [email protected] "#"
+      [email protected] "["
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "cfg"
+      [email protected]
+        [email protected] "("
+        [email protected] "test"
+        [email protected] ")"
+      [email protected] "]"
+    [email protected] "\n"
+    [email protected]
+      [email protected] "#"
+      [email protected] "["
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "ignore"
+      [email protected] "]"
+    [email protected] "\n"
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "foo"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
+  [email protected] "\n\n"
+  [email protected]
+    [email protected]
+      [email protected] "#"
+      [email protected] "["
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "path"
+      [email protected] " "
+      [email protected] "="
+      [email protected] " "
+      [email protected]
+        [email protected] "\"a.rs\""
+      [email protected] "]"
+    [email protected] "\n"
+    [email protected] "mod"
+    [email protected] " "
+    [email protected]
+      [email protected] "b"
+    [email protected] ";"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0011_outer_attribute.rs b/crates/syntax/test_data/parser/ok/0011_outer_attribute.rs
new file mode 100644
index 000000000..3d2e01d5c
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0011_outer_attribute.rs
@@ -0,0 +1,6 @@
+#[cfg(test)]
+#[ignore]
+fn foo() {}
+
+#[path = "a.rs"]
+mod b;
diff --git a/crates/syntax/test_data/parser/ok/0012_visibility.rast b/crates/syntax/test_data/parser/ok/0012_visibility.rast
new file mode 100644
index 000000000..83a93b5a9
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0012_visibility.rast
@@ -0,0 +1,102 @@
+[email protected]
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "a"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
+  [email protected] "\n"
+  [email protected]
+    [email protected]
+      [email protected] "pub"
+    [email protected] " "
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "b"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
+  [email protected] "\n"
+  [email protected]
+    [email protected]
+      [email protected] "pub"
+      [email protected] "("
+      [email protected] "crate"
+      [email protected] ")"
+    [email protected] " "
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "c"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
+  [email protected] "\n"
+  [email protected]
+    [email protected]
+      [email protected] "pub"
+      [email protected] "("
+      [email protected] "super"
+      [email protected] ")"
+    [email protected] " "
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "d"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
+  [email protected] "\n"
+  [email protected]
+    [email protected]
+      [email protected] "pub"
+      [email protected] "("
+      [email protected] "in"
+      [email protected] " "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "foo"
+          [email protected] "::"
+          [email protected]
+            [email protected]
+              [email protected] "bar"
+        [email protected] "::"
+        [email protected]
+          [email protected]
+            [email protected] "baz"
+      [email protected] ")"
+    [email protected] " "
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "e"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0012_visibility.rs b/crates/syntax/test_data/parser/ok/0012_visibility.rs
new file mode 100644
index 000000000..75b1db121
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0012_visibility.rs
@@ -0,0 +1,5 @@
+fn a() {}
+pub fn b() {}
+pub(crate) fn c() {}
+pub(super) fn d() {}
+pub(in foo::bar::baz) fn e() {}
diff --git a/crates/syntax/test_data/parser/ok/0013_use_path_self_super.rast b/crates/syntax/test_data/parser/ok/0013_use_path_self_super.rast
new file mode 100644
index 000000000..66ab13660
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0013_use_path_self_super.rast
@@ -0,0 +1,33 @@
+[email protected]
+  [email protected]
+    [email protected] "use"
+    [email protected] " "
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "self"
+        [email protected] "::"
+        [email protected]
+          [email protected]
+            [email protected] "foo"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "use"
+    [email protected] " "
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected] "super"
+          [email protected] "::"
+          [email protected]
+            [email protected] "super"
+        [email protected] "::"
+        [email protected]
+          [email protected]
+            [email protected] "bar"
+    [email protected] ";"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0013_use_path_self_super.rs b/crates/syntax/test_data/parser/ok/0013_use_path_self_super.rs
new file mode 100644
index 000000000..9d9eb9917
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0013_use_path_self_super.rs
@@ -0,0 +1,2 @@
+use self::foo;
+use super::super::bar;
diff --git a/crates/syntax/test_data/parser/ok/0014_use_tree.rast b/crates/syntax/test_data/parser/ok/0014_use_tree.rast
new file mode 100644
index 000000000..4389d2d4b
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0014_use_tree.rast
@@ -0,0 +1,95 @@
+[email protected]
+  [email protected]
+    [email protected] "use"
+    [email protected] " "
+    [email protected]
+      [email protected] "*"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "use"
+    [email protected] " "
+    [email protected]
+      [email protected] "::"
+      [email protected] "*"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "use"
+    [email protected] " "
+    [email protected]
+      [email protected] "::"
+      [email protected]
+        [email protected] "{"
+        [email protected] "}"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "use"
+    [email protected] " "
+    [email protected]
+      [email protected]
+        [email protected] "{"
+        [email protected] "}"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "use"
+    [email protected] " "
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "foo"
+      [email protected] "::"
+      [email protected] "*"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "use"
+    [email protected] " "
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "foo"
+      [email protected] "::"
+      [email protected]
+        [email protected] "{"
+        [email protected] "}"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "use"
+    [email protected] " "
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected] "::"
+          [email protected]
+            [email protected] "foo"
+      [email protected] "::"
+      [email protected]
+        [email protected] "{"
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "a"
+        [email protected] ","
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "b"
+        [email protected] ","
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "c"
+        [email protected] "}"
+    [email protected] ";"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0014_use_tree.rs b/crates/syntax/test_data/parser/ok/0014_use_tree.rs
new file mode 100644
index 000000000..5e4aa3a33
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0014_use_tree.rs
@@ -0,0 +1,7 @@
+use *;
+use ::*;
+use ::{};
+use {};
+use foo::*;
+use foo::{};
+use ::foo::{a, b, c};
diff --git a/crates/syntax/test_data/parser/ok/0015_use_tree.rast b/crates/syntax/test_data/parser/ok/0015_use_tree.rast
new file mode 100644
index 000000000..d7e93f7eb
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0015_use_tree.rast
@@ -0,0 +1,65 @@
+[email protected]
+  [email protected]
+    [email protected] "use"
+    [email protected] " "
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "foo"
+      [email protected] " "
+      [email protected]
+        [email protected] "as"
+        [email protected] " "
+        [email protected]
+          [email protected] "bar"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "use"
+    [email protected] " "
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "foo"
+      [email protected] "::"
+      [email protected]
+        [email protected] "{"
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "a"
+          [email protected] " "
+          [email protected]
+            [email protected] "as"
+            [email protected] " "
+            [email protected]
+              [email protected] "b"
+        [email protected] ","
+        [email protected] " "
+        [email protected]
+          [email protected] "*"
+        [email protected] ","
+        [email protected] " "
+        [email protected]
+          [email protected] "::"
+          [email protected] "*"
+        [email protected] ","
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected] "::"
+              [email protected]
+                [email protected] "foo"
+          [email protected] " "
+          [email protected]
+            [email protected] "as"
+            [email protected] " "
+            [email protected]
+              [email protected] "x"
+        [email protected] "}"
+    [email protected] ";"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0015_use_tree.rs b/crates/syntax/test_data/parser/ok/0015_use_tree.rs
new file mode 100644
index 000000000..46a0783a2
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0015_use_tree.rs
@@ -0,0 +1,2 @@
+use foo as bar;
+use foo::{a as b, *, ::*, ::foo as x};
diff --git a/crates/syntax/test_data/parser/ok/0016_struct_flavors.rast b/crates/syntax/test_data/parser/ok/0016_struct_flavors.rast
new file mode 100644
index 000000000..b15f41dd7
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0016_struct_flavors.rast
@@ -0,0 +1,93 @@
+[email protected]
+  [email protected]
+    [email protected] "struct"
+    [email protected] " "
+    [email protected]
+      [email protected] "A"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "struct"
+    [email protected] " "
+    [email protected]
+      [email protected] "B"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "struct"
+    [email protected] " "
+    [email protected]
+      [email protected] "C"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] ";"
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "struct"
+    [email protected] " "
+    [email protected]
+      [email protected] "D"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected] "a"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "u32"
+      [email protected] ","
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected] "pub"
+        [email protected] " "
+        [email protected]
+          [email protected] "b"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "u32"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "struct"
+    [email protected] " "
+    [email protected]
+      [email protected] "E"
+    [email protected]
+      [email protected] "("
+      [email protected]
+        [email protected]
+          [email protected] "pub"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "x"
+      [email protected] ","
+      [email protected] " "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "y"
+      [email protected] ","
+      [email protected] ")"
+    [email protected] ";"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0016_struct_flavors.rs b/crates/syntax/test_data/parser/ok/0016_struct_flavors.rs
new file mode 100644
index 000000000..69638350c
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0016_struct_flavors.rs
@@ -0,0 +1,10 @@
+struct A;
+struct B {}
+struct C();
+
+struct D {
+    a: u32,
+    pub b: u32
+}
+
+struct E(pub x, y,);
diff --git a/crates/syntax/test_data/parser/ok/0017_attr_trailing_comma.rast b/crates/syntax/test_data/parser/ok/0017_attr_trailing_comma.rast
new file mode 100644
index 000000000..a3e091ad3
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0017_attr_trailing_comma.rast
@@ -0,0 +1,28 @@
+[email protected]
+  [email protected]
+    [email protected]
+      [email protected] "#"
+      [email protected] "["
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "foo"
+      [email protected]
+        [email protected] "("
+        [email protected] "a"
+        [email protected] ","
+        [email protected] ")"
+      [email protected] "]"
+    [email protected] "\n"
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "foo"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0017_attr_trailing_comma.rs b/crates/syntax/test_data/parser/ok/0017_attr_trailing_comma.rs
new file mode 100644
index 000000000..fe0a7bb97
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0017_attr_trailing_comma.rs
@@ -0,0 +1,2 @@
+#[foo(a,)]
+fn foo() {}
diff --git a/crates/syntax/test_data/parser/ok/0018_struct_type_params.rast b/crates/syntax/test_data/parser/ok/0018_struct_type_params.rast
new file mode 100644
index 000000000..630aa0708
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0018_struct_type_params.rast
@@ -0,0 +1,257 @@
+[email protected]
+  [email protected]
+    [email protected] "struct"
+    [email protected] " "
+    [email protected]
+      [email protected] "S1"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected]
+          [email protected] "T"
+      [email protected] ">"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "struct"
+    [email protected] " "
+    [email protected]
+      [email protected] "S2"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected]
+          [email protected] "T"
+      [email protected] ">"
+    [email protected]
+      [email protected] "("
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "u32"
+      [email protected] ")"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "struct"
+    [email protected] " "
+    [email protected]
+      [email protected] "S3"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected]
+          [email protected] "T"
+      [email protected] ">"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] " "
+      [email protected]
+        [email protected]
+          [email protected] "u"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "u32"
+      [email protected] " "
+      [email protected] "}"
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "struct"
+    [email protected] " "
+    [email protected]
+      [email protected] "S4"
+    [email protected]
+      [email protected] "<"
+      [email protected] ">"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "struct"
+    [email protected] " "
+    [email protected]
+      [email protected] "S5"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected] "\'a"
+      [email protected] ">"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "struct"
+    [email protected] " "
+    [email protected]
+      [email protected] "S6"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected] "\'a"
+        [email protected] ":"
+      [email protected] ">"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "struct"
+    [email protected] " "
+    [email protected]
+      [email protected] "S7"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected] "\'a"
+        [email protected] ":"
+        [email protected] " "
+        [email protected] "\'b"
+      [email protected] ">"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "struct"
+    [email protected] " "
+    [email protected]
+      [email protected] "S8"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected] "\'a"
+        [email protected] ":"
+        [email protected] " "
+        [email protected] "\'b"
+        [email protected] " "
+        [email protected] "+"
+      [email protected] " "
+      [email protected] ">"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "struct"
+    [email protected] " "
+    [email protected]
+      [email protected] "S9"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected] "\'a"
+        [email protected] ":"
+        [email protected] " "
+        [email protected] "\'b"
+        [email protected] " "
+        [email protected] "+"
+        [email protected] " "
+        [email protected] "\'c"
+      [email protected] ">"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "struct"
+    [email protected] " "
+    [email protected]
+      [email protected] "S10"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected] "\'a"
+      [email protected] ","
+      [email protected] ">"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "struct"
+    [email protected] " "
+    [email protected]
+      [email protected] "S11"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected] "\'a"
+      [email protected] ","
+      [email protected] " "
+      [email protected]
+        [email protected] "\'b"
+      [email protected] ">"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "struct"
+    [email protected] " "
+    [email protected]
+      [email protected] "S12"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected] "\'a"
+        [email protected] ":"
+        [email protected] " "
+        [email protected] "\'b"
+        [email protected] "+"
+      [email protected] ","
+      [email protected] " "
+      [email protected]
+        [email protected] "\'b"
+        [email protected] ":"
+        [email protected] " "
+        [email protected] "\'c"
+      [email protected] ","
+      [email protected] ">"
+    [email protected] ";"
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "struct"
+    [email protected] " "
+    [email protected]
+      [email protected] "S13"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected]
+          [email protected] "T"
+      [email protected] ">"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "struct"
+    [email protected] " "
+    [email protected]
+      [email protected] "S14"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected]
+          [email protected] "T"
+      [email protected] ","
+      [email protected] " "
+      [email protected]
+        [email protected]
+          [email protected] "U"
+      [email protected] ">"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "struct"
+    [email protected] " "
+    [email protected]
+      [email protected] "S15"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected] "\'a"
+      [email protected] ","
+      [email protected] " "
+      [email protected]
+        [email protected]
+          [email protected] "T"
+      [email protected] ","
+      [email protected] " "
+      [email protected]
+        [email protected]
+          [email protected] "U"
+      [email protected] ">"
+    [email protected] ";"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0018_struct_type_params.rs b/crates/syntax/test_data/parser/ok/0018_struct_type_params.rs
new file mode 100644
index 000000000..88c544923
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0018_struct_type_params.rs
@@ -0,0 +1,17 @@
+struct S1<T>;
+struct S2<T>(u32);
+struct S3<T> { u: u32 }
+
+struct S4<>;
+struct S5<'a>;
+struct S6<'a:>;
+struct S7<'a: 'b>;
+struct S8<'a: 'b + >;
+struct S9<'a: 'b + 'c>;
+struct S10<'a,>;
+struct S11<'a, 'b>;
+struct S12<'a: 'b+, 'b: 'c,>;
+
+struct S13<T>;
+struct S14<T, U>;
+struct S15<'a, T, U>;
diff --git a/crates/syntax/test_data/parser/ok/0019_enums.rast b/crates/syntax/test_data/parser/ok/0019_enums.rast
new file mode 100644
index 000000000..c3df00814
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0019_enums.rast
@@ -0,0 +1,155 @@
+[email protected]
+  [email protected]
+    [email protected] "enum"
+    [email protected] " "
+    [email protected]
+      [email protected] "E1"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "enum"
+    [email protected] " "
+    [email protected]
+      [email protected] "E2"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected]
+          [email protected] "T"
+      [email protected] ">"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "enum"
+    [email protected] " "
+    [email protected]
+      [email protected] "E3"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected] "X"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "enum"
+    [email protected] " "
+    [email protected]
+      [email protected] "E4"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected] "X"
+      [email protected] ","
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "enum"
+    [email protected] " "
+    [email protected]
+      [email protected] "E5"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected] "A"
+      [email protected] ","
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected] "B"
+        [email protected] " "
+        [email protected] "="
+        [email protected] " "
+        [email protected]
+          [email protected] "92"
+      [email protected] ","
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected] "C"
+        [email protected] " "
+        [email protected]
+          [email protected] "{"
+          [email protected] "\n        "
+          [email protected]
+            [email protected]
+              [email protected] "a"
+            [email protected] ":"
+            [email protected] " "
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "u32"
+          [email protected] ","
+          [email protected] "\n        "
+          [email protected]
+            [email protected]
+              [email protected] "pub"
+            [email protected] " "
+            [email protected]
+              [email protected] "b"
+            [email protected] ":"
+            [email protected] " "
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "f64"
+          [email protected] ","
+          [email protected] "\n    "
+          [email protected] "}"
+      [email protected] ","
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected] "F"
+        [email protected] " "
+        [email protected]
+          [email protected] "{"
+          [email protected] "}"
+      [email protected] ","
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected] "D"
+        [email protected]
+          [email protected] "("
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "u32"
+          [email protected] ","
+          [email protected] ")"
+      [email protected] ","
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected] "E"
+        [email protected]
+          [email protected] "("
+          [email protected] ")"
+      [email protected] ","
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0019_enums.rs b/crates/syntax/test_data/parser/ok/0019_enums.rs
new file mode 100644
index 000000000..7a1afa0e6
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0019_enums.rs
@@ -0,0 +1,25 @@
+enum E1 {
+}
+
+enum E2<T> {
+}
+
+enum E3 {
+    X
+}
+
+enum E4 {
+    X,
+}
+
+enum E5 {
+    A,
+    B = 92,
+    C {
+        a: u32,
+        pub b: f64,
+    },
+    F {},
+    D(u32,),
+    E(),
+}
diff --git a/crates/syntax/test_data/parser/ok/0020_type_param_bounds.rast b/crates/syntax/test_data/parser/ok/0020_type_param_bounds.rast
new file mode 100644
index 000000000..9bdc50e1e
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0020_type_param_bounds.rast
@@ -0,0 +1,268 @@
+[email protected]
+  [email protected]
+    [email protected] "struct"
+    [email protected] " "
+    [email protected]
+      [email protected] "A"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected]
+          [email protected] "T"
+      [email protected] ">"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "struct"
+    [email protected] " "
+    [email protected]
+      [email protected] "B"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected]
+          [email protected] "T"
+        [email protected] ":"
+        [email protected]
+      [email protected] ">"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "struct"
+    [email protected] " "
+    [email protected]
+      [email protected] "C"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected]
+          [email protected] "T"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected] "\'a"
+      [email protected] ">"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "struct"
+    [email protected] " "
+    [email protected]
+      [email protected] "D"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected]
+          [email protected] "T"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected] "\'a"
+          [email protected] " "
+          [email protected] "+"
+      [email protected] " "
+      [email protected] ">"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "struct"
+    [email protected] " "
+    [email protected]
+      [email protected] "E"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected]
+          [email protected] "T"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected] "\'a"
+          [email protected] " "
+          [email protected] "+"
+          [email protected] " "
+          [email protected]
+            [email protected] "\'d"
+      [email protected] " "
+      [email protected] ">"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "struct"
+    [email protected] " "
+    [email protected]
+      [email protected] "F"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected]
+          [email protected] "T"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected] "\'a"
+          [email protected] " "
+          [email protected] "+"
+          [email protected] " "
+          [email protected]
+            [email protected] "\'d"
+          [email protected] " "
+          [email protected] "+"
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "Clone"
+      [email protected] ">"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "struct"
+    [email protected] " "
+    [email protected]
+      [email protected] "G"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected]
+          [email protected] "T"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "Clone"
+          [email protected] " "
+          [email protected] "+"
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "Copy"
+      [email protected] ">"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "struct"
+    [email protected] " "
+    [email protected]
+      [email protected] "H"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected]
+          [email protected] "T"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "::"
+                  [email protected]
+                    [email protected] "Foo"
+          [email protected] " "
+          [email protected] "+"
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "self"
+                [email protected] "::"
+                [email protected]
+                  [email protected]
+                    [email protected] "Bar"
+          [email protected] " "
+          [email protected] "+"
+          [email protected] " "
+          [email protected]
+            [email protected] "\'a"
+      [email protected] ">"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "struct"
+    [email protected] " "
+    [email protected]
+      [email protected] "I"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected]
+          [email protected] "T"
+        [email protected] ":"
+        [email protected]
+      [email protected] ","
+      [email protected] " "
+      [email protected]
+        [email protected]
+          [email protected] "U"
+        [email protected] ":"
+        [email protected]
+      [email protected] ","
+      [email protected] ">"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "struct"
+    [email protected] " "
+    [email protected]
+      [email protected] "K"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected] "\'a"
+        [email protected] ":"
+        [email protected] " "
+        [email protected] "\'d"
+      [email protected] ","
+      [email protected] " "
+      [email protected]
+        [email protected] "\'d"
+        [email protected] ":"
+        [email protected] " "
+        [email protected] "\'a"
+        [email protected] " "
+        [email protected] "+"
+        [email protected] " "
+        [email protected] "\'b"
+      [email protected] ","
+      [email protected] " "
+      [email protected]
+        [email protected]
+          [email protected] "T"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected] "\'a"
+          [email protected] " "
+          [email protected] "+"
+          [email protected] " "
+          [email protected]
+            [email protected] "\'d"
+          [email protected] " "
+          [email protected] "+"
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "Clone"
+      [email protected] ">"
+    [email protected] ";"
diff --git a/crates/syntax/test_data/parser/ok/0020_type_param_bounds.rs b/crates/syntax/test_data/parser/ok/0020_type_param_bounds.rs
new file mode 100644
index 000000000..712898978
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0020_type_param_bounds.rs
@@ -0,0 +1,10 @@
+struct A<T>;
+struct B<T:>;
+struct C<T: 'a>;
+struct D<T: 'a + >;
+struct E<T: 'a + 'd >;
+struct F<T: 'a + 'd + Clone>;
+struct G<T: Clone + Copy>;
+struct H<T: ::Foo + self::Bar + 'a>;
+struct I<T:, U:,>;
+struct K<'a: 'd, 'd: 'a + 'b, T: 'a + 'd + Clone>;
\ No newline at end of file
diff --git a/crates/syntax/test_data/parser/ok/0022_empty_extern_block.rast b/crates/syntax/test_data/parser/ok/0022_empty_extern_block.rast
new file mode 100644
index 000000000..26abae3b2
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0022_empty_extern_block.rast
@@ -0,0 +1,21 @@
+[email protected]
+  [email protected]
+    [email protected]
+      [email protected] "extern"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n\n"
+  [email protected]
+    [email protected]
+      [email protected] "extern"
+      [email protected] " "
+      [email protected] "\"C\""
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0022_empty_extern_block.rs b/crates/syntax/test_data/parser/ok/0022_empty_extern_block.rs
new file mode 100644
index 000000000..f5fe0e6ef
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0022_empty_extern_block.rs
@@ -0,0 +1,5 @@
+extern {
+}
+
+extern "C" {
+}
diff --git a/crates/syntax/test_data/parser/ok/0023_static_items.rast b/crates/syntax/test_data/parser/ok/0023_static_items.rast
new file mode 100644
index 000000000..9374cf5e9
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0023_static_items.rast
@@ -0,0 +1,41 @@
+[email protected]
+  [email protected]
+    [email protected] "static"
+    [email protected] " "
+    [email protected]
+      [email protected] "FOO"
+    [email protected] ":"
+    [email protected] " "
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "u32"
+    [email protected] " "
+    [email protected] "="
+    [email protected] " "
+    [email protected]
+      [email protected] "1"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "static"
+    [email protected] " "
+    [email protected] "mut"
+    [email protected] " "
+    [email protected]
+      [email protected] "BAR"
+    [email protected] ":"
+    [email protected] " "
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "i32"
+    [email protected] " "
+    [email protected] "="
+    [email protected] " "
+    [email protected]
+      [email protected] "92"
+    [email protected] ";"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0023_static_items.rs b/crates/syntax/test_data/parser/ok/0023_static_items.rs
new file mode 100644
index 000000000..5fb92ce33
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0023_static_items.rs
@@ -0,0 +1,2 @@
+static FOO: u32 = 1;
+static mut BAR: i32 = 92;
diff --git a/crates/syntax/test_data/parser/ok/0024_const_item.rast b/crates/syntax/test_data/parser/ok/0024_const_item.rast
new file mode 100644
index 000000000..dd1b9c9a0
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0024_const_item.rast
@@ -0,0 +1,59 @@
+[email protected]
+  [email protected]
+    [email protected] "const"
+    [email protected] " "
+    [email protected] "_"
+    [email protected] ":"
+    [email protected] " "
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "u32"
+    [email protected] " "
+    [email protected] "="
+    [email protected] " "
+    [email protected]
+      [email protected] "0"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "const"
+    [email protected] " "
+    [email protected]
+      [email protected] "FOO"
+    [email protected] ":"
+    [email protected] " "
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "u32"
+    [email protected] " "
+    [email protected] "="
+    [email protected] " "
+    [email protected]
+      [email protected] "92"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "const"
+    [email protected] " "
+    [email protected] "mut"
+    [email protected] " "
+    [email protected]
+      [email protected] "BAR"
+    [email protected] ":"
+    [email protected] " "
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "u32"
+    [email protected] " "
+    [email protected] "="
+    [email protected] " "
+    [email protected]
+      [email protected] "62"
+    [email protected] ";"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0024_const_item.rs b/crates/syntax/test_data/parser/ok/0024_const_item.rs
new file mode 100644
index 000000000..a806a209d
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0024_const_item.rs
@@ -0,0 +1,3 @@
+const _: u32 = 0;
+const FOO: u32 = 92;
+const mut BAR: u32 = 62;
diff --git a/crates/syntax/test_data/parser/ok/0025_extern_fn_in_block.rast b/crates/syntax/test_data/parser/ok/0025_extern_fn_in_block.rast
new file mode 100644
index 000000000..bb6527b48
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0025_extern_fn_in_block.rast
@@ -0,0 +1,31 @@
+[email protected]
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "main"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected] "extern"
+        [email protected] " "
+        [email protected] "fn"
+        [email protected] " "
+        [email protected]
+          [email protected] "f"
+        [email protected]
+          [email protected] "("
+          [email protected] ")"
+        [email protected] " "
+        [email protected]
+          [email protected] "{"
+          [email protected] "}"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0025_extern_fn_in_block.rs b/crates/syntax/test_data/parser/ok/0025_extern_fn_in_block.rs
new file mode 100644
index 000000000..289809809
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0025_extern_fn_in_block.rs
@@ -0,0 +1,3 @@
+fn main() {
+    extern fn f() {}
+}
diff --git a/crates/syntax/test_data/parser/ok/0026_const_fn_in_block.rast b/crates/syntax/test_data/parser/ok/0026_const_fn_in_block.rast
new file mode 100644
index 000000000..5bcf54deb
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0026_const_fn_in_block.rast
@@ -0,0 +1,30 @@
+[email protected]
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "main"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "const"
+        [email protected] " "
+        [email protected] "fn"
+        [email protected] " "
+        [email protected]
+          [email protected] "f"
+        [email protected]
+          [email protected] "("
+          [email protected] ")"
+        [email protected] " "
+        [email protected]
+          [email protected] "{"
+          [email protected] "}"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0026_const_fn_in_block.rs b/crates/syntax/test_data/parser/ok/0026_const_fn_in_block.rs
new file mode 100644
index 000000000..7641a3d28
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0026_const_fn_in_block.rs
@@ -0,0 +1,3 @@
+fn main() {
+    const fn f() {}
+}
diff --git a/crates/syntax/test_data/parser/ok/0027_unsafe_fn_in_block.rast b/crates/syntax/test_data/parser/ok/0027_unsafe_fn_in_block.rast
new file mode 100644
index 000000000..a7cc12295
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0027_unsafe_fn_in_block.rast
@@ -0,0 +1,41 @@
+[email protected]
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "main"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "unsafe"
+        [email protected] " "
+        [email protected] "fn"
+        [email protected] " "
+        [email protected]
+          [email protected] "f"
+        [email protected]
+          [email protected] "("
+          [email protected] ")"
+        [email protected] " "
+        [email protected]
+          [email protected] "{"
+          [email protected] "}"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "unsafe"
+        [email protected] " "
+        [email protected]
+          [email protected] "{"
+          [email protected] " "
+          [email protected]
+            [email protected] "92"
+          [email protected] " "
+          [email protected] "}"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0027_unsafe_fn_in_block.rs b/crates/syntax/test_data/parser/ok/0027_unsafe_fn_in_block.rs
new file mode 100644
index 000000000..f3c5ff938
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0027_unsafe_fn_in_block.rs
@@ -0,0 +1,4 @@
+fn main() {
+    unsafe fn f() {}
+    unsafe { 92 }
+}
diff --git a/crates/syntax/test_data/parser/ok/0028_operator_binding_power.rast b/crates/syntax/test_data/parser/ok/0028_operator_binding_power.rast
new file mode 100644
index 000000000..3271a4695
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0028_operator_binding_power.rast
@@ -0,0 +1,185 @@
+[email protected]
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "binding_power"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "let"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected] "x"
+        [email protected] " "
+        [email protected] "="
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected] "1"
+            [email protected] " "
+            [email protected] "+"
+            [email protected] " "
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "2"
+                [email protected] " "
+                [email protected] "*"
+                [email protected] " "
+                [email protected]
+                  [email protected] "3"
+              [email protected] " "
+              [email protected] "%"
+              [email protected] " "
+              [email protected]
+                [email protected] "4"
+          [email protected] " "
+          [email protected] "-"
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected] "5"
+            [email protected] " "
+            [email protected] "/"
+            [email protected] " "
+            [email protected]
+              [email protected] "6"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "1"
+          [email protected] " "
+          [email protected] "+"
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected] "2"
+            [email protected] " "
+            [email protected] "*"
+            [email protected] " "
+            [email protected]
+              [email protected] "3"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "1"
+          [email protected] " "
+          [email protected] "<<"
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected] "2"
+            [email protected] " "
+            [email protected] "+"
+            [email protected] " "
+            [email protected]
+              [email protected] "3"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "1"
+          [email protected] " "
+          [email protected] "&"
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected] "2"
+            [email protected] " "
+            [email protected] ">>"
+            [email protected] " "
+            [email protected]
+              [email protected] "3"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "1"
+          [email protected] " "
+          [email protected] "^"
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected] "2"
+            [email protected] " "
+            [email protected] "&"
+            [email protected] " "
+            [email protected]
+              [email protected] "3"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "1"
+          [email protected] " "
+          [email protected] "|"
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected] "2"
+            [email protected] " "
+            [email protected] "^"
+            [email protected] " "
+            [email protected]
+              [email protected] "3"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "1"
+          [email protected] " "
+          [email protected] "=="
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected] "2"
+            [email protected] " "
+            [email protected] "|"
+            [email protected] " "
+            [email protected]
+              [email protected] "3"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "1"
+          [email protected] " "
+          [email protected] "&&"
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected] "2"
+            [email protected] " "
+            [email protected] "=="
+            [email protected] " "
+            [email protected]
+              [email protected] "3"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected] "//1 || 2 && 2;"
+      [email protected] "\n    "
+      [email protected] "//1 .. 2 || 3;"
+      [email protected] "\n    "
+      [email protected] "//1 = 2 .. 3;"
+      [email protected] "\n    "
+      [email protected] "//---&*1 - --2 * 9;"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0028_operator_binding_power.rs b/crates/syntax/test_data/parser/ok/0028_operator_binding_power.rs
new file mode 100644
index 000000000..cc9598470
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0028_operator_binding_power.rs
@@ -0,0 +1,14 @@
+fn binding_power() {
+    let x = 1 + 2 * 3 % 4 - 5 / 6;
+    1 + 2 * 3;
+    1 << 2 + 3;
+    1 & 2 >> 3;
+    1 ^ 2 & 3;
+    1 | 2 ^ 3;
+    1 == 2 | 3;
+    1 && 2 == 3;
+    //1 || 2 && 2;
+    //1 .. 2 || 3;
+    //1 = 2 .. 3;
+    //---&*1 - --2 * 9;
+}
diff --git a/crates/syntax/test_data/parser/ok/0029_range_forms.rast b/crates/syntax/test_data/parser/ok/0029_range_forms.rast
new file mode 100644
index 000000000..a732f11c4
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0029_range_forms.rast
@@ -0,0 +1,151 @@
+[email protected]
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "foo"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected] ".."
+          [email protected]
+            [email protected]
+              [email protected] "1"
+            [email protected] " "
+            [email protected] "+"
+            [email protected] " "
+            [email protected]
+              [email protected] "1"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] ".."
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "z"
+          [email protected] " "
+          [email protected] "="
+          [email protected] " "
+          [email protected]
+            [email protected] "2"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "x"
+          [email protected] " "
+          [email protected] "="
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected] "false"
+            [email protected] ".."
+            [email protected]
+              [email protected]
+                [email protected] "1"
+              [email protected] " "
+              [email protected] "=="
+              [email protected] " "
+              [email protected]
+                [email protected] "1"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "let"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected] "x"
+        [email protected] " "
+        [email protected] "="
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected] "1"
+          [email protected] ".."
+        [email protected] ";"
+      [email protected] "\n    \n    "
+      [email protected]
+        [email protected]
+          [email protected] "..="
+          [email protected]
+            [email protected]
+              [email protected] "1"
+            [email protected] " "
+            [email protected] "+"
+            [email protected] " "
+            [email protected]
+              [email protected] "1"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "..="
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "z"
+          [email protected] " "
+          [email protected] "="
+          [email protected] " "
+          [email protected]
+            [email protected] "2"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "x"
+          [email protected] " "
+          [email protected] "="
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected] "false"
+            [email protected] "..="
+            [email protected]
+              [email protected]
+                [email protected] "1"
+              [email protected] " "
+              [email protected] "=="
+              [email protected] " "
+              [email protected]
+                [email protected] "1"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "let"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected] "x"
+        [email protected] " "
+        [email protected] "="
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected] "1"
+          [email protected] ".."
+        [email protected] ";"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0029_range_forms.rs b/crates/syntax/test_data/parser/ok/0029_range_forms.rs
new file mode 100644
index 000000000..f9ff444d4
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0029_range_forms.rs
@@ -0,0 +1,11 @@
+fn foo() {
+    ..1 + 1;
+    ..z = 2;
+    x = false..1 == 1;
+    let x = 1..;
+    
+    ..=1 + 1;
+    ..=z = 2;
+    x = false..=1 == 1;
+    let x = 1..;
+}
diff --git a/crates/syntax/test_data/parser/ok/0030_string_suffixes.rast b/crates/syntax/test_data/parser/ok/0030_string_suffixes.rast
new file mode 100644
index 000000000..80f7f5942
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0030_string_suffixes.rast
@@ -0,0 +1,63 @@
+[email protected]
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "main"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "let"
+        [email protected] " "
+        [email protected]
+          [email protected] "_"
+        [email protected] " "
+        [email protected] "="
+        [email protected] " "
+        [email protected]
+          [email protected] "\'c\'u32"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "let"
+        [email protected] " "
+        [email protected]
+          [email protected] "_"
+        [email protected] " "
+        [email protected] "="
+        [email protected] " "
+        [email protected]
+          [email protected] "\"string\"invalid"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "let"
+        [email protected] " "
+        [email protected]
+          [email protected] "_"
+        [email protected] " "
+        [email protected] "="
+        [email protected] " "
+        [email protected]
+          [email protected] "b\'b\'_suff"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "let"
+        [email protected] " "
+        [email protected]
+          [email protected] "_"
+        [email protected] " "
+        [email protected] "="
+        [email protected] " "
+        [email protected]
+          [email protected] "b\"bs\"invalid"
+        [email protected] ";"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0030_string_suffixes.rs b/crates/syntax/test_data/parser/ok/0030_string_suffixes.rs
new file mode 100644
index 000000000..261aad1fb
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0030_string_suffixes.rs
@@ -0,0 +1,6 @@
+fn main() {
+    let _ = 'c'u32;
+    let _ = "string"invalid;
+    let _ = b'b'_suff;
+    let _ = b"bs"invalid;
+}
diff --git a/crates/syntax/test_data/parser/ok/0030_traits.rast b/crates/syntax/test_data/parser/ok/0030_traits.rast
new file mode 100644
index 000000000..d07c6683a
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0030_traits.rast
@@ -0,0 +1,61 @@
+[email protected]
+  [email protected]
+    [email protected] "trait"
+    [email protected] " "
+    [email protected]
+      [email protected] "Runnable"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "fn"
+        [email protected] " "
+        [email protected]
+          [email protected] "handler"
+        [email protected]
+          [email protected] "("
+          [email protected] ")"
+        [email protected] ";"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "trait"
+    [email protected] " "
+    [email protected]
+      [email protected] "TraitWithExpr"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "fn"
+        [email protected] " "
+        [email protected]
+          [email protected] "fn_with_expr"
+        [email protected]
+          [email protected] "("
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "x"
+            [email protected] ":"
+            [email protected] " "
+            [email protected]
+              [email protected] "["
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected] "i32"
+              [email protected] ";"
+              [email protected] " "
+              [email protected]
+                [email protected] "1"
+              [email protected] "]"
+          [email protected] ")"
+        [email protected] ";"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0030_traits.rs b/crates/syntax/test_data/parser/ok/0030_traits.rs
new file mode 100644
index 000000000..ac30843ef
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0030_traits.rs
@@ -0,0 +1,7 @@
+trait Runnable {
+    fn handler();
+}
+
+trait TraitWithExpr {
+    fn fn_with_expr(x: [i32; 1]);
+}
diff --git a/crates/syntax/test_data/parser/ok/0031_extern.rast b/crates/syntax/test_data/parser/ok/0031_extern.rast
new file mode 100644
index 000000000..8150d445f
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0031_extern.rast
@@ -0,0 +1,973 @@
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+  [email protected]
+    [email protected]
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+    [email protected]
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+              [email protected]
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+          [email protected] " "
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+                [email protected] "len"
+            [email protected] ":"
+            [email protected] " "
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "::"
+                  [email protected]
+                    [email protected] "size_t"
+          [email protected] ","
+          [email protected] "\n                "
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "flags"
+            [email protected] ":"
+            [email protected] " "
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "::"
+                  [email protected]
+                    [email protected] "c_int"
+          [email protected] ")"
+        [email protected] " "
+        [email protected]
+          [email protected] "->"
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "::"
+                [email protected]
+                  [email protected] "ssize_t"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected] "pub"
+        [email protected] " "
+        [email protected] "fn"
+        [email protected] " "
+        [email protected]
+          [email protected] "recvfrom"
+        [email protected]
+          [email protected] "("
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "socket"
+            [email protected] ":"
+            [email protected] " "
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "::"
+                  [email protected]
+                    [email protected] "c_int"
+          [email protected] ","
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "buf"
+            [email protected] ":"
+            [email protected] " "
+            [email protected]
+              [email protected] "*"
+              [email protected] "mut"
+              [email protected] " "
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "::"
+                    [email protected]
+                      [email protected] "c_void"
+          [email protected] ","
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "len"
+            [email protected] ":"
+            [email protected] " "
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "::"
+                  [email protected]
+                    [email protected] "size_t"
+          [email protected] ","
+          [email protected] "\n                    "
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "flags"
+            [email protected] ":"
+            [email protected] " "
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "::"
+                  [email protected]
+                    [email protected] "c_int"
+          [email protected] ","
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "addr"
+            [email protected] ":"
+            [email protected] " "
+            [email protected]
+              [email protected] "*"
+              [email protected] "mut"
+              [email protected] " "
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "::"
+                    [email protected]
+                      [email protected] "sockaddr"
+          [email protected] ","
+          [email protected] "\n                    "
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "addrlen"
+            [email protected] ":"
+            [email protected] " "
+            [email protected]
+              [email protected] "*"
+              [email protected] "mut"
+              [email protected] " "
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "::"
+                    [email protected]
+                      [email protected] "socklen_t"
+          [email protected] ")"
+        [email protected] " "
+        [email protected]
+          [email protected] "->"
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "::"
+                [email protected]
+                  [email protected] "ssize_t"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected] "pub"
+        [email protected] " "
+        [email protected] "fn"
+        [email protected] " "
+        [email protected]
+          [email protected] "recv"
+        [email protected]
+          [email protected] "("
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "socket"
+            [email protected] ":"
+            [email protected] " "
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "::"
+                  [email protected]
+                    [email protected] "c_int"
+          [email protected] ","
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "buf"
+            [email protected] ":"
+            [email protected] " "
+            [email protected]
+              [email protected] "*"
+              [email protected] "mut"
+              [email protected] " "
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "::"
+                    [email protected]
+                      [email protected] "c_void"
+          [email protected] ","
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "len"
+            [email protected] ":"
+            [email protected] " "
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "::"
+                  [email protected]
+                    [email protected] "size_t"
+          [email protected] ","
+          [email protected] "\n                "
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "flags"
+            [email protected] ":"
+            [email protected] " "
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "::"
+                  [email protected]
+                    [email protected] "c_int"
+          [email protected] ")"
+        [email protected] " "
+        [email protected]
+          [email protected] "->"
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "::"
+                [email protected]
+                  [email protected] "ssize_t"
+        [email protected] ";"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0031_extern.rs b/crates/syntax/test_data/parser/ok/0031_extern.rs
new file mode 100644
index 000000000..b33ac273c
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0031_extern.rs
@@ -0,0 +1,29 @@
+extern {
+    pub fn socket(domain: ::c_int, ty: ::c_int, protocol: ::c_int) -> ::c_int;
+    pub fn bind(fd: ::c_int, addr: *const sockaddr, len: socklen_t) -> ::c_int;
+    pub fn connect(socket: ::c_int, address: *const sockaddr,
+                   len: socklen_t) -> ::c_int;
+    pub fn listen(socket: ::c_int, backlog: ::c_int) -> ::c_int;
+    pub fn getsockname(socket: ::c_int, address: *mut sockaddr,
+                       address_len: *mut socklen_t) -> ::c_int;
+    pub fn getsockopt(sockfd: ::c_int,
+                      level: ::c_int,
+                      optname: ::c_int,
+                      optval: *mut ::c_void,
+                      optlen: *mut ::socklen_t) -> ::c_int;
+    pub fn setsockopt(socket: ::c_int, level: ::c_int, name: ::c_int,
+                      value: *const ::c_void,
+                      option_len: socklen_t) -> ::c_int;
+    pub fn getpeername(socket: ::c_int, address: *mut sockaddr,
+                       address_len: *mut socklen_t) -> ::c_int;
+    pub fn sendto(socket: ::c_int, buf: *const ::c_void, len: ::size_t,
+                  flags: ::c_int, addr: *const sockaddr,
+                  addrlen: socklen_t) -> ::ssize_t;
+    pub fn send(socket: ::c_int, buf: *const ::c_void, len: ::size_t,
+                flags: ::c_int) -> ::ssize_t;
+    pub fn recvfrom(socket: ::c_int, buf: *mut ::c_void, len: ::size_t,
+                    flags: ::c_int, addr: *mut ::sockaddr,
+                    addrlen: *mut ::socklen_t) -> ::ssize_t;
+    pub fn recv(socket: ::c_int, buf: *mut ::c_void, len: ::size_t,
+                flags: ::c_int) -> ::ssize_t;
+}
diff --git a/crates/syntax/test_data/parser/ok/0032_where_for.rast b/crates/syntax/test_data/parser/ok/0032_where_for.rast
new file mode 100644
index 000000000..d59548f21
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0032_where_for.rast
@@ -0,0 +1,90 @@
+[email protected]
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "test_serialization"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected]
+          [email protected] "SER"
+      [email protected] ">"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] "\n"
+    [email protected]
+      [email protected] "where"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "SER"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "Serialize"
+          [email protected] " "
+          [email protected] "+"
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected] "for"
+              [email protected]
+                [email protected] "<"
+                [email protected]
+                  [email protected] "\'de"
+                [email protected] ">"
+              [email protected] " "
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected] "Deserialize"
+                    [email protected]
+                      [email protected] "<"
+                      [email protected]
+                        [email protected] "\'de"
+                      [email protected] ">"
+          [email protected] " "
+          [email protected] "+"
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "PartialEq"
+          [email protected] " "
+          [email protected] "+"
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected]
+                        [email protected] "std"
+                  [email protected] "::"
+                  [email protected]
+                    [email protected]
+                      [email protected] "fmt"
+                [email protected] "::"
+                [email protected]
+                  [email protected]
+                    [email protected] "Debug"
+      [email protected] ","
+    [email protected] "\n"
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0032_where_for.rs b/crates/syntax/test_data/parser/ok/0032_where_for.rs
new file mode 100644
index 000000000..588170fbe
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0032_where_for.rs
@@ -0,0 +1,4 @@
+fn test_serialization<SER>()
+where
+    SER: Serialize + for<'de> Deserialize<'de> + PartialEq + std::fmt::Debug,
+{}
diff --git a/crates/syntax/test_data/parser/ok/0033_label_break.rast b/crates/syntax/test_data/parser/ok/0033_label_break.rast
new file mode 100644
index 000000000..88800ca7a
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0033_label_break.rast
@@ -0,0 +1,215 @@
+[email protected]
+  [email protected]
+    [email protected] "// format with label  ..."
+    [email protected] "\n"
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "main"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "\'empty_block"
+            [email protected] ":"
+          [email protected] " "
+          [email protected]
+            [email protected] "{"
+            [email protected] "}"
+      [email protected] "\n\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "\'block"
+            [email protected] ":"
+          [email protected] " "
+          [email protected]
+            [email protected] "{"
+            [email protected] "\n        "
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected]
+                        [email protected] "do_thing"
+                [email protected]
+                  [email protected] "("
+                  [email protected] ")"
+              [email protected] ";"
+            [email protected] "\n        "
+            [email protected]
+              [email protected]
+                [email protected] "if"
+                [email protected] " "
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected]
+                        [email protected]
+                          [email protected]
+                            [email protected] "condition_not_met"
+                    [email protected]
+                      [email protected] "("
+                      [email protected] ")"
+                [email protected] " "
+                [email protected]
+                  [email protected] "{"
+                  [email protected] "\n            "
+                  [email protected]
+                    [email protected]
+                      [email protected] "break"
+                      [email protected] " "
+                      [email protected] "\'block"
+                    [email protected] ";"
+                  [email protected] "\n        "
+                  [email protected] "}"
+            [email protected] "\n        "
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected]
+                        [email protected] "do_next_thing"
+                [email protected]
+                  [email protected] "("
+                  [email protected] ")"
+              [email protected] ";"
+            [email protected] "\n        "
+            [email protected]
+              [email protected]
+                [email protected] "if"
+                [email protected] " "
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected]
+                        [email protected]
+                          [email protected]
+                            [email protected] "condition_not_met"
+                    [email protected]
+                      [email protected] "("
+                      [email protected] ")"
+                [email protected] " "
+                [email protected]
+                  [email protected] "{"
+                  [email protected] "\n            "
+                  [email protected]
+                    [email protected]
+                      [email protected] "break"
+                      [email protected] " "
+                      [email protected] "\'block"
+                    [email protected] ";"
+                  [email protected] "\n        "
+                  [email protected] "}"
+            [email protected] "\n        "
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected]
+                        [email protected] "do_last_thing"
+                [email protected]
+                  [email protected] "("
+                  [email protected] ")"
+              [email protected] ";"
+            [email protected] "\n    "
+            [email protected] "}"
+      [email protected] "\n\n    "
+      [email protected]
+        [email protected] "let"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected] "result"
+        [email protected] " "
+        [email protected] "="
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected] "\'block"
+            [email protected] ":"
+          [email protected] " "
+          [email protected]
+            [email protected] "{"
+            [email protected] "\n        "
+            [email protected]
+              [email protected]
+                [email protected] "if"
+                [email protected] " "
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected]
+                        [email protected]
+                          [email protected]
+                            [email protected] "foo"
+                    [email protected]
+                      [email protected] "("
+                      [email protected] ")"
+                [email protected] " "
+                [email protected]
+                  [email protected] "{"
+                  [email protected] "\n            "
+                  [email protected] "// comment"
+                  [email protected] "\n            "
+                  [email protected]
+                    [email protected]
+                      [email protected] "break"
+                      [email protected] " "
+                      [email protected] "\'block"
+                      [email protected] " "
+                      [email protected]
+                        [email protected] "1"
+                    [email protected] ";"
+                  [email protected] "\n        "
+                  [email protected] "}"
+            [email protected] "\n        "
+            [email protected]
+              [email protected]
+                [email protected] "if"
+                [email protected] " "
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected]
+                        [email protected]
+                          [email protected]
+                            [email protected] "bar"
+                    [email protected]
+                      [email protected] "("
+                      [email protected] ")"
+                [email protected] " "
+                [email protected]
+                  [email protected] "{"
+                  [email protected] "\n            "
+                  [email protected] "/* comment */"
+                  [email protected] "\n            "
+                  [email protected]
+                    [email protected]
+                      [email protected] "break"
+                      [email protected] " "
+                      [email protected] "\'block"
+                      [email protected] " "
+                      [email protected]
+                        [email protected] "2"
+                    [email protected] ";"
+                  [email protected] "\n        "
+                  [email protected] "}"
+            [email protected] "\n        "
+            [email protected]
+              [email protected] "3"
+            [email protected] "\n    "
+            [email protected] "}"
+        [email protected] ";"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0033_label_break.rs b/crates/syntax/test_data/parser/ok/0033_label_break.rs
new file mode 100644
index 000000000..728d78137
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0033_label_break.rs
@@ -0,0 +1,28 @@
+// format with label break value.
+fn main() {
+    'empty_block: {}
+
+    'block: {
+        do_thing();
+        if condition_not_met() {
+            break 'block;
+        }
+        do_next_thing();
+        if condition_not_met() {
+            break 'block;
+        }
+        do_last_thing();
+    }
+
+    let result = 'block: {
+        if foo() {
+            // comment
+            break 'block 1;
+        }
+        if bar() {
+            /* comment */
+            break 'block 2;
+        }
+        3
+    };
+}
diff --git a/crates/syntax/test_data/parser/ok/0034_crate_path_in_call.rast b/crates/syntax/test_data/parser/ok/0034_crate_path_in_call.rast
new file mode 100644
index 000000000..5ad8c570d
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0034_crate_path_in_call.rast
@@ -0,0 +1,41 @@
+[email protected]
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "main"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "make_query"
+          [email protected]
+            [email protected] "("
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected] "crate"
+                  [email protected] "::"
+                  [email protected]
+                    [email protected]
+                      [email protected] "module_map"
+                [email protected] "::"
+                [email protected]
+                  [email protected]
+                    [email protected] "module_tree"
+            [email protected] ")"
+        [email protected] ";"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0034_crate_path_in_call.rs b/crates/syntax/test_data/parser/ok/0034_crate_path_in_call.rs
new file mode 100644
index 000000000..f1ed30220
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0034_crate_path_in_call.rs
@@ -0,0 +1,3 @@
+fn main() {
+    make_query(crate::module_map::module_tree);
+}
diff --git a/crates/syntax/test_data/parser/ok/0035_weird_exprs.rast b/crates/syntax/test_data/parser/ok/0035_weird_exprs.rast
new file mode 100644
index 000000000..7c61b5006
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0035_weird_exprs.rast
@@ -0,0 +1,2291 @@
+[email protected]
+  [email protected] "//! Adapted from a `r ..."
+  [email protected] "\n"
+  [email protected] "//! https://github.co ..."
+  [email protected] "\n"
+  [email protected] "//! "
+  [email protected] "\n"
+  [email protected] "//! Reported to rust- ..."
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "#"
+    [email protected] "!"
+    [email protected] "["
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected] "allow"
+    [email protected]
+      [email protected] "("
+      [email protected] "non_camel_case_types"
+      [email protected] ")"
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+  [email protected]
+    [email protected] "#"
+    [email protected] "!"
+    [email protected] "["
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected] "allow"
+    [email protected]
+      [email protected] "("
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+      [email protected] ")"
+    [email protected] "]"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "#"
+    [email protected] "!"
+    [email protected] "["
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected] "allow"
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+      [email protected] "("
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+      [email protected] ")"
+    [email protected] "]"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "#"
+    [email protected] "!"
+    [email protected] "["
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected] "allow"
+    [email protected]
+      [email protected] "("
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+      [email protected] ")"
+    [email protected] "]"
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "#"
+    [email protected] "!"
+    [email protected] "["
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected] "recursion_limit"
+    [email protected] " "
+    [email protected] "="
+    [email protected] " "
+    [email protected]
+      [email protected] "\"128\""
+    [email protected] "]"
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "use"
+    [email protected] " "
+    [email protected]
+      [email protected]
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+            [email protected]
+              [email protected] "cell"
+        [email protected] "::"
+        [email protected]
+          [email protected]
+            [email protected] "Cell"
+    [email protected] ";"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "use"
+    [email protected] " "
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
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+            [email protected]
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+        [email protected]
+          [email protected]
+            [email protected] "swap"
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+  [email protected] "\n\n"
+  [email protected] "// Just a grab bag of ..."
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
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+      [email protected] "{"
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+          [email protected] "{"
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+              [email protected] "&"
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+                      [email protected] "<"
+                      [email protected]
+                        [email protected]
+                          [email protected]
+                            [email protected]
+                              [email protected]
+                                [email protected] "bool"
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+          [email protected] "{"
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+              [email protected]
+                [email protected] "("
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+            [email protected] ")"
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+  [email protected]
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+      [email protected] "zombiejesus"
+    [email protected]
+      [email protected] "("
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+      [email protected] "{"
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+                [email protected]
+                  [email protected] "evil_lincoln"
+          [email protected]
+            [email protected] "("
+            [email protected] ")"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "dots"
+          [email protected]
+            [email protected] "("
+            [email protected] ")"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "u8"
+          [email protected]
+            [email protected] "("
+            [email protected]
+              [email protected] "8u8"
+            [email protected] ")"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "fishy"
+          [email protected]
+            [email protected] "("
+            [email protected] ")"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "union"
+          [email protected]
+            [email protected] "("
+            [email protected] ")"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "special_characters"
+          [email protected]
+            [email protected] "("
+            [email protected] ")"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "punch_card"
+          [email protected]
+            [email protected] "("
+            [email protected] ")"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "ktulhu"
+          [email protected]
+            [email protected] "("
+            [email protected] ")"
+        [email protected] ";"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0035_weird_exprs.rs b/crates/syntax/test_data/parser/ok/0035_weird_exprs.rs
new file mode 100644
index 000000000..8c1323163
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0035_weird_exprs.rs
@@ -0,0 +1,154 @@
+//! Adapted from a `rustc` test, which can be found at 
+//! https://github.com/rust-lang/rust/blob/6d34ec18c7d7e574553f6347ecf08e1e1c45c13d/src/test/run-pass/weird-exprs.rs.
+//! 
+//! Reported to rust-analyzer in https://github.com/rust-analyzer/rust-analyzer/issues/290
+
+#![allow(non_camel_case_types)]
+#![allow(dead_code)]
+#![allow(unreachable_code)]
+#![allow(unused_parens)]
+
+#![recursion_limit = "128"]
+
+use std::cell::Cell;
+use std::mem::swap;
+
+// Just a grab bag of stuff that you wouldn't want to actually write.
+
+fn strange() -> bool { let _x: bool = return true; }
+
+fn funny() {
+    fn f(_x: ()) { }
+    f(return);
+}
+
+fn what() {
+    fn the(x: &Cell<bool>) {
+        return while !x.get() { x.set(true); };
+    }
+    let i = &Cell::new(false);
+    let dont = {||the(i)};
+    dont();
+    assert!((i.get()));
+}
+
+fn zombiejesus() {
+    loop {
+        while (return) {
+            if (return) {
+                match (return) {
+                    1 => {
+                        if (return) {
+                            return
+                        } else {
+                            return
+                        }
+                    }
+                    _ => { return }
+                };
+            } else if (return) {
+                return;
+            }
+        }
+        if (return) { break; }
+    }
+}
+
+fn notsure() {
+    let mut _x: isize;
+    let mut _y = (_x = 0) == (_x = 0);
+    let mut _z = (_x = 0) < (_x = 0);
+    let _a = (_x += 0) == (_x = 0);
+    let _b = swap(&mut _y, &mut _z) == swap(&mut _y, &mut _z);
+}
+
+fn canttouchthis() -> usize {
+    fn p() -> bool { true }
+    let _a = (assert!((true)) == (assert!(p())));
+    let _c = (assert!((p())) == ());
+    let _b: bool = (println!("{}", 0) == (return 0));
+}
+
+fn angrydome() {
+    loop { if break { } }
+    let mut i = 0;
+    loop { i += 1; if i == 1 { match (continue) { 1 => { }, _ => panic!("wat") } }
+      break; }
+}
+
+fn evil_lincoln() { let _evil = println!("lincoln"); }
+
+fn dots() {
+    assert_eq!(String::from(".................................................."),
+               format!("{:?}", .. .. .. .. .. .. .. .. .. .. .. .. ..
+                               .. .. .. .. .. .. .. .. .. .. .. ..));
+}
+
+fn u8(u8: u8) {
+    if u8 != 0u8 {
+        assert_eq!(8u8, {
+            macro_rules! u8 {
+                (u8) => {
+                    mod u8 {
+                        pub fn u8<'u8: 'u8 + 'u8>(u8: &'u8 u8) -> &'u8 u8 {
+                            "u8";
+                            u8
+                        }
+                    }
+                };
+            }
+
+            u8!(u8);
+            let &u8: &u8 = u8::u8(&8u8);
+            crate::u8(0u8);
+            u8
+        });
+    }
+}
+
+fn fishy() {
+    assert_eq!(String::from("><>"),
+               String::<>::from::<>("><>").chars::<>().rev::<>().collect::<String>());
+}
+
+fn union() {
+    union union<'union> { union: &'union union<'union>, }
+}
+
+fn special_characters() {
+    let val = !((|(..):(_,_),__@_|__)((&*"\\",'🤔')/**/,{})=={&[..=..][..];})//
+    ;
+    assert!(!val);
+}
+
+fn punch_card() -> impl std::fmt::Debug {
+    ..=..=.. ..    .. .. .. ..    .. .. .. ..    .. ..=.. ..
+    ..=.. ..=..    .. .. .. ..    .. .. .. ..    ..=..=..=..
+    ..=.. ..=..    ..=.. ..=..    .. ..=..=..    .. ..=.. ..
+    ..=..=.. ..    ..=.. ..=..    ..=.. .. ..    .. ..=.. ..
+    ..=.. ..=..    ..=.. ..=..    .. ..=.. ..    .. ..=.. ..
+    ..=.. ..=..    ..=.. ..=..    .. .. ..=..    .. ..=.. ..
+    ..=.. ..=..    .. ..=..=..    ..=..=.. ..    .. ..=.. ..
+}
+
+fn ktulhu() {
+    ;;;();;;;;;;;;()
+}
+
+pub fn main() {
+    strange();
+    funny();
+    what();
+    zombiejesus();
+    notsure();
+    canttouchthis();
+    angrydome();
+    evil_lincoln();
+    dots();
+    u8(8u8);
+    fishy();
+    union();
+    special_characters();
+    punch_card();
+    ktulhu();
+}
diff --git a/crates/syntax/test_data/parser/ok/0036_fully_qualified.rast b/crates/syntax/test_data/parser/ok/0036_fully_qualified.rast
new file mode 100644
index 000000000..c4da317b9
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0036_fully_qualified.rast
@@ -0,0 +1,92 @@
+[email protected]
+  [email protected] "// https://github.com ..."
+  [email protected] "\n\n"
+  [email protected]
+    [email protected]
+      [email protected] "pub"
+    [email protected] " "
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "foo"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected]
+          [email protected] "S"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "Iterator"
+      [email protected] ">"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "->"
+      [email protected] " "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected] "String"
+    [email protected] "\n"
+    [email protected]
+      [email protected] "where"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "<"
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected]
+                        [email protected] "S"
+                [email protected] " "
+                [email protected] "as"
+                [email protected] " "
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected]
+                        [email protected] "Iterator"
+                [email protected] ">"
+            [email protected] "::"
+            [email protected]
+              [email protected]
+                [email protected] "Item"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "Eq"
+      [email protected] ","
+    [email protected] "\n"
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected] "\"\""
+        [email protected] "."
+        [email protected]
+          [email protected] "to_owned"
+        [email protected]
+          [email protected] "("
+          [email protected] ")"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0036_fully_qualified.rs b/crates/syntax/test_data/parser/ok/0036_fully_qualified.rs
new file mode 100644
index 000000000..6da27933e
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0036_fully_qualified.rs
@@ -0,0 +1,8 @@
+// https://github.com/rust-analyzer/rust-analyzer/issues/311
+
+pub fn foo<S: Iterator>() -> String
+where
+    <S as Iterator>::Item: Eq,
+{
+    "".to_owned()
+}
diff --git a/crates/syntax/test_data/parser/ok/0037_mod.rast b/crates/syntax/test_data/parser/ok/0037_mod.rast
new file mode 100644
index 000000000..1d5d94bde
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0037_mod.rast
@@ -0,0 +1,16 @@
+[email protected]
+  [email protected] "// https://github.com ..."
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "//! docs"
+    [email protected] "\n"
+    [email protected] "// non-docs"
+    [email protected] "\n"
+    [email protected] "mod"
+    [email protected] " "
+    [email protected]
+      [email protected] "foo"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
diff --git a/crates/syntax/test_data/parser/ok/0037_mod.rs b/crates/syntax/test_data/parser/ok/0037_mod.rs
new file mode 100644
index 000000000..7e5a1b835
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0037_mod.rs
@@ -0,0 +1,5 @@
+// https://github.com/rust-analyzer/rust-analyzer/issues/357
+
+//! docs
+// non-docs
+mod foo {}
\ No newline at end of file
diff --git a/crates/syntax/test_data/parser/ok/0038_where_pred_type.rast b/crates/syntax/test_data/parser/ok/0038_where_pred_type.rast
new file mode 100644
index 000000000..22168eaf1
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0038_where_pred_type.rast
@@ -0,0 +1,42 @@
+[email protected]
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "test"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "where"
+      [email protected] " "
+      [email protected]
+        [email protected]
+          [email protected] "("
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "u64"
+          [email protected] ","
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "u64"
+          [email protected] ")"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "Foo"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
diff --git a/crates/syntax/test_data/parser/ok/0038_where_pred_type.rs b/crates/syntax/test_data/parser/ok/0038_where_pred_type.rs
new file mode 100644
index 000000000..8bfc341a5
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0038_where_pred_type.rs
@@ -0,0 +1 @@
+fn test() where (u64, u64): Foo {}
\ No newline at end of file
diff --git a/crates/syntax/test_data/parser/ok/0039_raw_fn_item.rast b/crates/syntax/test_data/parser/ok/0039_raw_fn_item.rast
new file mode 100644
index 000000000..68a366354
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0039_raw_fn_item.rast
@@ -0,0 +1,15 @@
+[email protected]
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "r#foo"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0039_raw_fn_item.rs b/crates/syntax/test_data/parser/ok/0039_raw_fn_item.rs
new file mode 100644
index 000000000..8380d1e79
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0039_raw_fn_item.rs
@@ -0,0 +1,2 @@
+fn r#foo() {
+}
diff --git a/crates/syntax/test_data/parser/ok/0040_raw_struct_item_field.rast b/crates/syntax/test_data/parser/ok/0040_raw_struct_item_field.rast
new file mode 100644
index 000000000..8cfc14f49
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0040_raw_struct_item_field.rast
@@ -0,0 +1,22 @@
+[email protected]
+  [email protected]
+    [email protected] "struct"
+    [email protected] " "
+    [email protected]
+      [email protected] "S"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected] "r#foo"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "u32"
+      [email protected] "\n"
+      [email protected] "}"
diff --git a/crates/syntax/test_data/parser/ok/0040_raw_struct_item_field.rs b/crates/syntax/test_data/parser/ok/0040_raw_struct_item_field.rs
new file mode 100644
index 000000000..098a60a72
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0040_raw_struct_item_field.rs
@@ -0,0 +1,3 @@
+struct S {
+    r#foo: u32
+}
\ No newline at end of file
diff --git a/crates/syntax/test_data/parser/ok/0041_raw_keywords.rast b/crates/syntax/test_data/parser/ok/0041_raw_keywords.rast
new file mode 100644
index 000000000..4035aef6f
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0041_raw_keywords.rast
@@ -0,0 +1,49 @@
+[email protected]
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "foo"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] " "
+      [email protected]
+        [email protected] "let"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected] "r#struct"
+        [email protected] " "
+        [email protected] "="
+        [email protected] " "
+        [email protected]
+          [email protected] "92"
+        [email protected] ";"
+      [email protected] " "
+      [email protected]
+        [email protected] "let"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected] "r#trait"
+        [email protected] " "
+        [email protected] "="
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "r#struct"
+          [email protected] " "
+          [email protected] "*"
+          [email protected] " "
+          [email protected]
+            [email protected] "2"
+        [email protected] ";"
+      [email protected] " "
+      [email protected] "}"
diff --git a/crates/syntax/test_data/parser/ok/0041_raw_keywords.rs b/crates/syntax/test_data/parser/ok/0041_raw_keywords.rs
new file mode 100644
index 000000000..d59a6d347
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0041_raw_keywords.rs
@@ -0,0 +1 @@
+fn foo() { let r#struct = 92; let r#trait = r#struct * 2; }
\ No newline at end of file
diff --git a/crates/syntax/test_data/parser/ok/0042_ufcs_call_list.rast b/crates/syntax/test_data/parser/ok/0042_ufcs_call_list.rast
new file mode 100644
index 000000000..e71e069f1
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0042_ufcs_call_list.rast
@@ -0,0 +1,123 @@
+[email protected]
+  [email protected] "// https://github.com ..."
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "struct"
+    [email protected] " "
+    [email protected]
+      [email protected] "Foo"
+    [email protected] ";"
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "impl"
+    [email protected] " "
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "Foo"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "fn"
+        [email protected] " "
+        [email protected]
+          [email protected] "bar"
+        [email protected]
+          [email protected] "("
+          [email protected] ")"
+        [email protected] " "
+        [email protected]
+          [email protected] "->"
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "bool"
+        [email protected] " "
+        [email protected]
+          [email protected] "{"
+          [email protected] "\n        "
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "unimplemented"
+            [email protected] "!"
+            [email protected]
+              [email protected] "("
+              [email protected] ")"
+          [email protected] "\n    "
+          [email protected] "}"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "baz"
+    [email protected]
+      [email protected] "("
+      [email protected]
+        [email protected]
+          [email protected] "_"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "bool"
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "main"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "baz"
+        [email protected]
+          [email protected] "("
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "<"
+                    [email protected]
+                      [email protected]
+                        [email protected]
+                          [email protected]
+                            [email protected] "Foo"
+                    [email protected] ">"
+                [email protected] "::"
+                [email protected]
+                  [email protected]
+                    [email protected] "bar"
+            [email protected]
+              [email protected] "("
+              [email protected] ")"
+          [email protected] ")"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0042_ufcs_call_list.rs b/crates/syntax/test_data/parser/ok/0042_ufcs_call_list.rs
new file mode 100644
index 000000000..6c02e65ed
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0042_ufcs_call_list.rs
@@ -0,0 +1,15 @@
+// https://github.com/rust-analyzer/rust-analyzer/issues/596
+
+struct Foo;
+
+impl Foo {
+    fn bar() -> bool {
+        unimplemented!()
+    }
+}
+
+fn baz(_: bool) {}
+
+fn main() {
+    baz(<Foo>::bar())
+}
diff --git a/crates/syntax/test_data/parser/ok/0043_complex_assignment.rast b/crates/syntax/test_data/parser/ok/0043_complex_assignment.rast
new file mode 100644
index 000000000..adc4a22e9
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0043_complex_assignment.rast
@@ -0,0 +1,109 @@
+[email protected]
+  [email protected] "// https://github.com ..."
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "struct"
+    [email protected] " "
+    [email protected]
+      [email protected] "Repr"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] " "
+      [email protected]
+        [email protected]
+          [email protected] "raw"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected] "["
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "u8"
+          [email protected] ";"
+          [email protected] " "
+          [email protected]
+            [email protected] "1"
+          [email protected] "]"
+      [email protected] " "
+      [email protected] "}"
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "abc"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected] "Repr"
+                [email protected] " "
+                [email protected]
+                  [email protected] "{"
+                  [email protected] " "
+                  [email protected]
+                    [email protected]
+                      [email protected] "raw"
+                    [email protected] ":"
+                    [email protected] " "
+                    [email protected]
+                      [email protected] "["
+                      [email protected]
+                        [email protected] "0"
+                      [email protected] "]"
+                  [email protected] " "
+                  [email protected] "}"
+              [email protected] "."
+              [email protected]
+                [email protected] "raw"
+            [email protected] "["
+            [email protected]
+              [email protected] "0"
+            [email protected] "]"
+          [email protected] " "
+          [email protected] "="
+          [email protected] " "
+          [email protected]
+            [email protected] "0"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "Repr"
+            [email protected]
+              [email protected] "{"
+              [email protected]
+                [email protected]
+                  [email protected] "raw"
+                [email protected] ":"
+                [email protected]
+                  [email protected] "["
+                  [email protected]
+                    [email protected] "0"
+                  [email protected] "]"
+              [email protected] "}"
+          [email protected]
+            [email protected] "("
+            [email protected] ")"
+        [email protected] ";"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0043_complex_assignment.rs b/crates/syntax/test_data/parser/ok/0043_complex_assignment.rs
new file mode 100644
index 000000000..7e4a28bf7
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0043_complex_assignment.rs
@@ -0,0 +1,8 @@
+// https://github.com/rust-analyzer/rust-analyzer/issues/674
+
+struct Repr { raw: [u8; 1] }
+
+fn abc() {
+    Repr { raw: [0] }.raw[0] = 0;
+    Repr{raw:[0]}();
+}
diff --git a/crates/syntax/test_data/parser/ok/0044_let_attrs.rast b/crates/syntax/test_data/parser/ok/0044_let_attrs.rast
new file mode 100644
index 000000000..af44a4dbe
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0044_let_attrs.rast
@@ -0,0 +1,75 @@
+[email protected]
+  [email protected]
+    [email protected] "// https://github.com ..."
+    [email protected] "\n"
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "main"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected] "#"
+          [email protected] "["
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "cfg"
+          [email protected]
+            [email protected] "("
+            [email protected] "feature"
+            [email protected] " "
+            [email protected] "="
+            [email protected] " "
+            [email protected] "\"backtrace\""
+            [email protected] ")"
+          [email protected] "]"
+        [email protected] "\n    "
+        [email protected] "let"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected] "exit_code"
+        [email protected] " "
+        [email protected] "="
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "panic"
+              [email protected] "::"
+              [email protected]
+                [email protected]
+                  [email protected] "catch_unwind"
+          [email protected]
+            [email protected] "("
+            [email protected]
+              [email protected] "move"
+              [email protected] " "
+              [email protected]
+                [email protected] "|"
+                [email protected] "|"
+              [email protected] " "
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected]
+                        [email protected] "main"
+                [email protected]
+                  [email protected] "("
+                  [email protected] ")"
+            [email protected] ")"
+        [email protected] ";"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0044_let_attrs.rs b/crates/syntax/test_data/parser/ok/0044_let_attrs.rs
new file mode 100644
index 000000000..325a97aeb
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0044_let_attrs.rs
@@ -0,0 +1,5 @@
+// https://github.com/rust-analyzer/rust-analyzer/issues/677
+fn main() {
+    #[cfg(feature = "backtrace")]
+    let exit_code = panic::catch_unwind(move || main());
+}
diff --git a/crates/syntax/test_data/parser/ok/0045_block_inner_attrs.rast b/crates/syntax/test_data/parser/ok/0045_block_inner_attrs.rast
new file mode 100644
index 000000000..0ac56df6d
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0045_block_inner_attrs.rast
@@ -0,0 +1,177 @@
+[email protected]
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "block"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "#"
+        [email protected] "!"
+        [email protected] "["
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected] "doc"
+        [email protected]
+          [email protected] "("
+          [email protected] "\"Inner attributes all ..."
+          [email protected] ")"
+        [email protected] "]"
+      [email protected] "\n    "
+      [email protected] "//! As are ModuleDoc  ..."
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected] "{"
+          [email protected] "\n        "
+          [email protected]
+            [email protected] "#"
+            [email protected] "!"
+            [email protected] "["
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "doc"
+            [email protected]
+              [email protected] "("
+              [email protected] "\"Inner attributes are ..."
+              [email protected] ")"
+            [email protected] "]"
+          [email protected] "\n        "
+          [email protected]
+            [email protected] "#"
+            [email protected] "!"
+            [email protected] "["
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "doc"
+            [email protected]
+              [email protected] "("
+              [email protected] "\"Being validated is n ..."
+              [email protected] ")"
+            [email protected] "]"
+          [email protected] "\n        "
+          [email protected] "//! As are ModuleDoc  ..."
+          [email protected] "\n    "
+          [email protected] "}"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "{"
+        [email protected] "\n        "
+        [email protected]
+          [email protected] "#"
+          [email protected] "!"
+          [email protected] "["
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "doc"
+          [email protected]
+            [email protected] "("
+            [email protected] "\"Inner attributes are ..."
+            [email protected] ")"
+          [email protected] "]"
+        [email protected] "\n        "
+        [email protected] "//! As are ModuleDoc  ..."
+        [email protected] "\n    "
+        [email protected] "}"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n\n"
+  [email protected] "// https://github.com ..."
+  [email protected] "\n"
+  [email protected]
+    [email protected] "impl"
+    [email protected] " "
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "Whatever"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "fn"
+        [email protected] " "
+        [email protected]
+          [email protected] "salsa_event"
+        [email protected]
+          [email protected] "("
+          [email protected]
+            [email protected] "&"
+            [email protected] "self"
+          [email protected] ","
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "event_fn"
+            [email protected] ":"
+            [email protected] " "
+            [email protected]
+              [email protected] "impl"
+              [email protected] " "
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected]
+                        [email protected]
+                          [email protected] "Fn"
+                        [email protected]
+                          [email protected] "("
+                          [email protected] ")"
+                        [email protected] " "
+                        [email protected]
+                          [email protected] "->"
+                          [email protected] " "
+                          [email protected]
+                            [email protected]
+                              [email protected]
+                                [email protected]
+                                  [email protected] "Event"
+                                [email protected]
+                                  [email protected] "<"
+                                  [email protected]
+                                    [email protected]
+                                      [email protected]
+                                        [email protected]
+                                          [email protected]
+                                            [email protected] "Self"
+                                  [email protected] ">"
+          [email protected] ")"
+        [email protected] " "
+        [email protected]
+          [email protected] "{"
+          [email protected] "\n        "
+          [email protected]
+            [email protected] "#"
+            [email protected] "!"
+            [email protected] "["
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "allow"
+            [email protected]
+              [email protected] "("
+              [email protected] "unused_variables"
+              [email protected] ")"
+            [email protected] "]"
+          [email protected] " "
+          [email protected] "// this is  `inner_at ..."
+          [email protected] "\n    "
+          [email protected] "}"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0045_block_inner_attrs.rs b/crates/syntax/test_data/parser/ok/0045_block_inner_attrs.rs
new file mode 100644
index 000000000..88df8138e
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0045_block_inner_attrs.rs
@@ -0,0 +1,20 @@
+fn block() {
+    #![doc("Inner attributes allowed here")]
+    //! As are ModuleDoc style comments
+    {
+        #![doc("Inner attributes are allowed in blocks used as statements")]
+        #![doc("Being validated is not affected by duplcates")]
+        //! As are ModuleDoc style comments
+    };
+    {
+        #![doc("Inner attributes are allowed in blocks when they are the last statement of another block")]
+        //! As are ModuleDoc style comments
+    }
+}
+
+// https://github.com/rust-analyzer/rust-analyzer/issues/689
+impl Whatever {
+    fn salsa_event(&self, event_fn: impl Fn() -> Event<Self>) {
+        #![allow(unused_variables)] // this is  `inner_attr` of the block
+    }
+}
diff --git a/crates/syntax/test_data/parser/ok/0046_extern_inner_attributes.rast b/crates/syntax/test_data/parser/ok/0046_extern_inner_attributes.rast
new file mode 100644
index 000000000..37594769a
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0046_extern_inner_attributes.rast
@@ -0,0 +1,28 @@
+[email protected]
+  [email protected]
+    [email protected]
+      [email protected] "extern"
+      [email protected] " "
+      [email protected] "\"C\""
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected] "//! This is a doc com ..."
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "#"
+        [email protected] "!"
+        [email protected] "["
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected] "doc"
+        [email protected]
+          [email protected] "("
+          [email protected] "\"This is also a doc c ..."
+          [email protected] ")"
+        [email protected] "]"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0046_extern_inner_attributes.rs b/crates/syntax/test_data/parser/ok/0046_extern_inner_attributes.rs
new file mode 100644
index 000000000..fe67e2df4
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0046_extern_inner_attributes.rs
@@ -0,0 +1,4 @@
+extern "C" {
+    //! This is a doc comment
+    #![doc("This is also a doc comment")]
+}
diff --git a/crates/syntax/test_data/parser/ok/0047_minus_in_inner_pattern.rast b/crates/syntax/test_data/parser/ok/0047_minus_in_inner_pattern.rast
new file mode 100644
index 000000000..4f8dff909
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0047_minus_in_inner_pattern.rast
@@ -0,0 +1,320 @@
+[email protected]
+  [email protected] "// https://github.com ..."
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "main"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected] "match"
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "Some"
+            [email protected]
+              [email protected] "("
+              [email protected]
+                [email protected] "-"
+                [email protected]
+                  [email protected] "1"
+              [email protected] ")"
+          [email protected] " "
+          [email protected]
+            [email protected] "{"
+            [email protected] "\n        "
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected] "Some"
+                [email protected] "("
+                [email protected]
+                  [email protected] "-"
+                  [email protected]
+                    [email protected] "1"
+                [email protected] ")"
+              [email protected] " "
+              [email protected] "=>"
+              [email protected] " "
+              [email protected]
+                [email protected] "("
+                [email protected] ")"
+            [email protected] ","
+            [email protected] "\n        "
+            [email protected]
+              [email protected]
+                [email protected] "_"
+              [email protected] " "
+              [email protected] "=>"
+              [email protected] " "
+              [email protected]
+                [email protected] "("
+                [email protected] ")"
+            [email protected] ","
+            [email protected] "\n    "
+            [email protected] "}"
+      [email protected] "\n\n    "
+      [email protected]
+        [email protected]
+          [email protected] "match"
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "Some"
+            [email protected]
+              [email protected] "("
+              [email protected]
+                [email protected] "("
+                [email protected]
+                  [email protected] "-"
+                  [email protected]
+                    [email protected] "1"
+                [email protected] ","
+                [email protected] " "
+                [email protected]
+                  [email protected] "-"
+                  [email protected]
+                    [email protected] "1"
+                [email protected] ")"
+              [email protected] ")"
+          [email protected] " "
+          [email protected]
+            [email protected] "{"
+            [email protected] "\n        "
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected] "Some"
+                [email protected] "("
+                [email protected]
+                  [email protected] "("
+                  [email protected]
+                    [email protected] "-"
+                    [email protected]
+                      [email protected] "1"
+                  [email protected] ","
+                  [email protected] " "
+                  [email protected]
+                    [email protected] "-"
+                    [email protected]
+                      [email protected] "1"
+                  [email protected] ")"
+                [email protected] ")"
+              [email protected] " "
+              [email protected] "=>"
+              [email protected] " "
+              [email protected]
+                [email protected] "("
+                [email protected] ")"
+            [email protected] ","
+            [email protected] "\n        "
+            [email protected]
+              [email protected]
+                [email protected] "_"
+              [email protected] " "
+              [email protected] "=>"
+              [email protected] " "
+              [email protected]
+                [email protected] "("
+                [email protected] ")"
+            [email protected] ","
+            [email protected] "\n    "
+            [email protected] "}"
+      [email protected] "\n\n    "
+      [email protected]
+        [email protected]
+          [email protected] "match"
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected] "A"
+                [email protected] "::"
+                [email protected]
+                  [email protected]
+                    [email protected] "B"
+            [email protected]
+              [email protected] "("
+              [email protected]
+                [email protected] "-"
+                [email protected]
+                  [email protected] "1"
+              [email protected] ","
+              [email protected] " "
+              [email protected]
+                [email protected] "-"
+                [email protected]
+                  [email protected] "1"
+              [email protected] ")"
+          [email protected] " "
+          [email protected]
+            [email protected] "{"
+            [email protected] "\n        "
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected]
+                        [email protected] "A"
+                  [email protected] "::"
+                  [email protected]
+                    [email protected]
+                      [email protected] "B"
+                [email protected] "("
+                [email protected]
+                  [email protected] "-"
+                  [email protected]
+                    [email protected] "1"
+                [email protected] ","
+                [email protected] " "
+                [email protected]
+                  [email protected] "-"
+                  [email protected]
+                    [email protected] "1"
+                [email protected] ")"
+              [email protected] " "
+              [email protected] "=>"
+              [email protected] " "
+              [email protected]
+                [email protected] "("
+                [email protected] ")"
+            [email protected] ","
+            [email protected] "\n        "
+            [email protected]
+              [email protected]
+                [email protected] "_"
+              [email protected] " "
+              [email protected] "=>"
+              [email protected] " "
+              [email protected]
+                [email protected] "("
+                [email protected] ")"
+            [email protected] ","
+            [email protected] "\n    "
+            [email protected] "}"
+      [email protected] "\n\n    "
+      [email protected]
+        [email protected] "if"
+        [email protected] " "
+        [email protected]
+          [email protected] "let"
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "Some"
+            [email protected] "("
+            [email protected]
+              [email protected] "-"
+              [email protected]
+                [email protected] "1"
+            [email protected] ")"
+          [email protected] " "
+          [email protected] "="
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "Some"
+            [email protected]
+              [email protected] "("
+              [email protected]
+                [email protected] "-"
+                [email protected]
+                  [email protected] "1"
+              [email protected] ")"
+        [email protected] " "
+        [email protected]
+          [email protected] "{"
+          [email protected] "\n    "
+          [email protected] "}"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "enum"
+    [email protected] " "
+    [email protected]
+      [email protected] "A"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected] "B"
+        [email protected]
+          [email protected] "("
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "i8"
+          [email protected] ","
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "i8"
+          [email protected] ")"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "foo"
+    [email protected]
+      [email protected] "("
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "-"
+            [email protected]
+              [email protected] "128"
+          [email protected] "..="
+          [email protected]
+            [email protected]
+              [email protected] "127"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "i8"
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0047_minus_in_inner_pattern.rs b/crates/syntax/test_data/parser/ok/0047_minus_in_inner_pattern.rs
new file mode 100644
index 000000000..bbd6b0f6e
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0047_minus_in_inner_pattern.rs
@@ -0,0 +1,27 @@
+// https://github.com/rust-analyzer/rust-analyzer/issues/972
+
+fn main() {
+    match Some(-1) {
+        Some(-1) => (),
+        _ => (),
+    }
+
+    match Some((-1, -1)) {
+        Some((-1, -1)) => (),
+        _ => (),
+    }
+
+    match A::B(-1, -1) {
+        A::B(-1, -1) => (),
+        _ => (),
+    }
+
+    if let Some(-1) = Some(-1) {
+    }
+}
+
+enum A {
+    B(i8, i8)
+}
+
+fn foo(-128..=127: i8) {}
diff --git a/crates/syntax/test_data/parser/ok/0048_compound_assignment.rast b/crates/syntax/test_data/parser/ok/0048_compound_assignment.rast
new file mode 100644
index 000000000..eaab47843
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0048_compound_assignment.rast
@@ -0,0 +1,200 @@
+[email protected]
+  [email protected] "// https://github.com ..."
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "compound_assignment"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "let"
+        [email protected] " "
+        [email protected]
+          [email protected] "mut"
+          [email protected] " "
+          [email protected]
+            [email protected] "a"
+        [email protected] " "
+        [email protected] "="
+        [email protected] " "
+        [email protected]
+          [email protected] "0"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "a"
+          [email protected] " "
+          [email protected] "+="
+          [email protected] " "
+          [email protected]
+            [email protected] "1"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "a"
+          [email protected] " "
+          [email protected] "-="
+          [email protected] " "
+          [email protected]
+            [email protected] "2"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "a"
+          [email protected] " "
+          [email protected] "*="
+          [email protected] " "
+          [email protected]
+            [email protected] "3"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "a"
+          [email protected] " "
+          [email protected] "%="
+          [email protected] " "
+          [email protected]
+            [email protected] "4"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "a"
+          [email protected] " "
+          [email protected] "/="
+          [email protected] " "
+          [email protected]
+            [email protected] "5"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "a"
+          [email protected] " "
+          [email protected] "|="
+          [email protected] " "
+          [email protected]
+            [email protected] "6"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "a"
+          [email protected] " "
+          [email protected] "&="
+          [email protected] " "
+          [email protected]
+            [email protected] "7"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "a"
+          [email protected] " "
+          [email protected] "^="
+          [email protected] " "
+          [email protected]
+            [email protected] "8"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "a"
+          [email protected] " "
+          [email protected] "<="
+          [email protected] " "
+          [email protected]
+            [email protected] "9"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "a"
+          [email protected] " "
+          [email protected] ">="
+          [email protected] " "
+          [email protected]
+            [email protected] "10"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "a"
+          [email protected] " "
+          [email protected] ">>="
+          [email protected] " "
+          [email protected]
+            [email protected] "11"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "a"
+          [email protected] " "
+          [email protected] "<<="
+          [email protected] " "
+          [email protected]
+            [email protected] "12"
+        [email protected] ";"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0048_compound_assignment.rs b/crates/syntax/test_data/parser/ok/0048_compound_assignment.rs
new file mode 100644
index 000000000..871720a49
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0048_compound_assignment.rs
@@ -0,0 +1,17 @@
+// https://github.com/rust-analyzer/rust-analyzer/pull/983
+
+fn compound_assignment() {
+    let mut a = 0;
+    a += 1;
+    a -= 2;
+    a *= 3;
+    a %= 4;
+    a /= 5;
+    a |= 6;
+    a &= 7;
+    a ^= 8;
+    a <= 9;
+    a >= 10;
+    a >>= 11;
+    a <<= 12;
+}
diff --git a/crates/syntax/test_data/parser/ok/0049_async_block.rast b/crates/syntax/test_data/parser/ok/0049_async_block.rast
new file mode 100644
index 000000000..57ecad3cf
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0049_async_block.rast
@@ -0,0 +1,35 @@
+[email protected]
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "foo"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected] "async"
+          [email protected] " "
+          [email protected]
+            [email protected] "{"
+            [email protected] "}"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected] "async"
+          [email protected] " "
+          [email protected] "move"
+          [email protected] " "
+          [email protected]
+            [email protected] "{"
+            [email protected] "}"
+        [email protected] ";"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n\n"
diff --git a/crates/syntax/test_data/parser/ok/0049_async_block.rs b/crates/syntax/test_data/parser/ok/0049_async_block.rs
new file mode 100644
index 000000000..4781b3225
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0049_async_block.rs
@@ -0,0 +1,5 @@
+fn foo() {
+    async {};
+    async move {};
+}
+
diff --git a/crates/syntax/test_data/parser/ok/0050_async_block_as_argument.rast b/crates/syntax/test_data/parser/ok/0050_async_block_as_argument.rast
new file mode 100644
index 000000000..c7ce12e93
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0050_async_block_as_argument.rast
@@ -0,0 +1,90 @@
+[email protected]
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "foo"
+    [email protected]
+      [email protected] "("
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "x"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected] "impl"
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected]
+                        [email protected]
+                          [email protected] "std"
+                    [email protected] "::"
+                    [email protected]
+                      [email protected]
+                        [email protected] "future"
+                  [email protected] "::"
+                  [email protected]
+                    [email protected]
+                      [email protected] "Future"
+                    [email protected]
+                      [email protected] "<"
+                      [email protected]
+                        [email protected]
+                          [email protected] "Output"
+                        [email protected] " "
+                        [email protected] "="
+                        [email protected] " "
+                        [email protected]
+                          [email protected]
+                            [email protected]
+                              [email protected]
+                                [email protected] "i32"
+                      [email protected] ">"
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "main"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "foo"
+        [email protected]
+          [email protected] "("
+          [email protected]
+            [email protected] "async"
+            [email protected] " "
+            [email protected] "move"
+            [email protected] " "
+            [email protected]
+              [email protected] "{"
+              [email protected] " "
+              [email protected]
+                [email protected] "12"
+              [email protected] " "
+              [email protected] "}"
+          [email protected] ")"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0050_async_block_as_argument.rs b/crates/syntax/test_data/parser/ok/0050_async_block_as_argument.rs
new file mode 100644
index 000000000..ec4612cff
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0050_async_block_as_argument.rs
@@ -0,0 +1,5 @@
+fn foo(x: impl std::future::Future<Output = i32>) {}
+
+fn main() {
+    foo(async move { 12 })
+}
diff --git a/crates/syntax/test_data/parser/ok/0051_parameter_attrs.rast b/crates/syntax/test_data/parser/ok/0051_parameter_attrs.rast
new file mode 100644
index 000000000..d4f05f279
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0051_parameter_attrs.rast
@@ -0,0 +1,508 @@
+[email protected]
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "g1"
+    [email protected]
+      [email protected] "("
+      [email protected]
+        [email protected] "#"
+        [email protected] "["
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected] "attr1"
+        [email protected] "]"
+      [email protected] " "
+      [email protected]
+        [email protected] "#"
+        [email protected] "["
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected] "attr2"
+        [email protected] "]"
+      [email protected] " "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "pat"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "Type"
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "g2"
+    [email protected]
+      [email protected] "("
+      [email protected]
+        [email protected] "#"
+        [email protected] "["
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected] "attr1"
+        [email protected] "]"
+      [email protected] " "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "x"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "u8"
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
+  [email protected] "\n\n"
+  [email protected]
+    [email protected]
+      [email protected] "extern"
+      [email protected] " "
+      [email protected] "\"C\""
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] " "
+      [email protected]
+        [email protected] "fn"
+        [email protected] " "
+        [email protected]
+          [email protected] "printf"
+        [email protected]
+          [email protected] "("
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "format"
+            [email protected] ":"
+            [email protected] " "
+            [email protected]
+              [email protected] "*"
+              [email protected] "const"
+              [email protected] " "
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected] "i8"
+          [email protected] ","
+          [email protected] " "
+          [email protected]
+            [email protected] "#"
+            [email protected] "["
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "attr"
+            [email protected] "]"
+          [email protected] " "
+          [email protected]
+            [email protected] "..."
+          [email protected] ")"
+        [email protected] " "
+        [email protected]
+          [email protected] "->"
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "i32"
+        [email protected] ";"
+      [email protected] " "
+      [email protected] "}"
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "foo"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected]
+          [email protected] "F"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "FnMut"
+                  [email protected]
+                    [email protected] "("
+                    [email protected]
+                      [email protected] "#"
+                      [email protected] "["
+                      [email protected]
+                        [email protected]
+                          [email protected]
+                            [email protected] "attr"
+                      [email protected] "]"
+                    [email protected] " "
+                    [email protected]
+                      [email protected]
+                        [email protected] "&"
+                        [email protected] "mut"
+                        [email protected] " "
+                        [email protected]
+                          [email protected]
+                            [email protected]
+                              [email protected]
+                                [email protected] "Foo"
+                              [email protected]
+                                [email protected] "<"
+                                [email protected]
+                                  [email protected] "\'a"
+                                [email protected] ">"
+                    [email protected] ")"
+      [email protected] ">"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "trait"
+    [email protected] " "
+    [email protected]
+      [email protected] "Foo"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "fn"
+        [email protected] " "
+        [email protected]
+          [email protected] "bar"
+        [email protected]
+          [email protected] "("
+          [email protected]
+            [email protected] "#"
+            [email protected] "["
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "attr"
+            [email protected] "]"
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected] "_"
+            [email protected] ":"
+            [email protected] " "
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "u64"
+          [email protected] ","
+          [email protected] " "
+          [email protected]
+            [email protected] "#"
+            [email protected] " "
+            [email protected] "["
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "attr"
+            [email protected] "]"
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected] "mut"
+              [email protected] " "
+              [email protected]
+                [email protected] "x"
+            [email protected] ":"
+            [email protected] " "
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "i32"
+          [email protected] ")"
+        [email protected] ";"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "impl"
+    [email protected] " "
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "S"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n     "
+      [email protected]
+        [email protected] "fn"
+        [email protected] " "
+        [email protected]
+          [email protected] "f"
+        [email protected]
+          [email protected] "("
+          [email protected]
+            [email protected] "#"
+            [email protected] "["
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "must_use"
+            [email protected] "]"
+          [email protected] " "
+          [email protected]
+            [email protected] "self"
+          [email protected] ")"
+        [email protected] " "
+        [email protected]
+          [email protected] "{"
+          [email protected] "}"
+      [email protected] "\n     "
+      [email protected]
+        [email protected] "fn"
+        [email protected] " "
+        [email protected]
+          [email protected] "g1"
+        [email protected]
+          [email protected] "("
+          [email protected]
+            [email protected] "#"
+            [email protected] "["
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "attr"
+            [email protected] "]"
+          [email protected] " "
+          [email protected]
+            [email protected] "self"
+          [email protected] ")"
+        [email protected] " "
+        [email protected]
+          [email protected] "{"
+          [email protected] "}"
+      [email protected] "\n     "
+      [email protected]
+        [email protected] "fn"
+        [email protected] " "
+        [email protected]
+          [email protected] "g2"
+        [email protected]
+          [email protected] "("
+          [email protected]
+            [email protected] "#"
+            [email protected] "["
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "attr"
+            [email protected] "]"
+          [email protected] " "
+          [email protected]
+            [email protected] "&"
+            [email protected] "self"
+          [email protected] ")"
+        [email protected] " "
+        [email protected]
+          [email protected] "{"
+          [email protected] "}"
+      [email protected] "\n     "
+      [email protected]
+        [email protected] "fn"
+        [email protected] " "
+        [email protected]
+          [email protected] "g3"
+        [email protected]
+          [email protected] "<"
+          [email protected]
+            [email protected] "\'a"
+          [email protected] ">"
+        [email protected]
+          [email protected] "("
+          [email protected]
+            [email protected] "#"
+            [email protected] "["
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "attr"
+            [email protected] "]"
+          [email protected] " "
+          [email protected]
+            [email protected] "&"
+            [email protected] "mut"
+            [email protected] " "
+            [email protected] "self"
+          [email protected] ")"
+        [email protected] " "
+        [email protected]
+          [email protected] "{"
+          [email protected] "}"
+      [email protected] "\n     "
+      [email protected]
+        [email protected] "fn"
+        [email protected] " "
+        [email protected]
+          [email protected] "g4"
+        [email protected]
+          [email protected] "<"
+          [email protected]
+            [email protected] "\'a"
+          [email protected] ">"
+        [email protected]
+          [email protected] "("
+          [email protected]
+            [email protected] "#"
+            [email protected] "["
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "attr"
+            [email protected] "]"
+          [email protected] " "
+          [email protected]
+            [email protected] "&"
+            [email protected] "\'a"
+            [email protected] " "
+            [email protected] "self"
+          [email protected] ")"
+        [email protected] " "
+        [email protected]
+          [email protected] "{"
+          [email protected] "}"
+      [email protected] "\n     "
+      [email protected]
+        [email protected] "fn"
+        [email protected] " "
+        [email protected]
+          [email protected] "g5"
+        [email protected]
+          [email protected] "<"
+          [email protected]
+            [email protected] "\'a"
+          [email protected] ">"
+        [email protected]
+          [email protected] "("
+          [email protected]
+            [email protected] "#"
+            [email protected] "["
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "attr"
+            [email protected] "]"
+          [email protected] " "
+          [email protected]
+            [email protected] "&"
+            [email protected] "\'a"
+            [email protected] " "
+            [email protected] "mut"
+            [email protected] " "
+            [email protected] "self"
+          [email protected] ")"
+        [email protected] " "
+        [email protected]
+          [email protected] "{"
+          [email protected] "}"
+      [email protected] "\n     "
+      [email protected]
+        [email protected] "fn"
+        [email protected] " "
+        [email protected]
+          [email protected] "c"
+        [email protected]
+          [email protected] "("
+          [email protected]
+            [email protected] "#"
+            [email protected] "["
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "attr"
+            [email protected] "]"
+          [email protected] " "
+          [email protected]
+            [email protected] "self"
+            [email protected] ":"
+            [email protected] " "
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "Self"
+          [email protected] ")"
+        [email protected] " "
+        [email protected]
+          [email protected] "{"
+          [email protected] "}"
+      [email protected] "\n     "
+      [email protected]
+        [email protected] "fn"
+        [email protected] " "
+        [email protected]
+          [email protected] "d"
+        [email protected]
+          [email protected] "("
+          [email protected]
+            [email protected] "#"
+            [email protected] "["
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "attr"
+            [email protected] "]"
+          [email protected] " "
+          [email protected]
+            [email protected] "self"
+            [email protected] ":"
+            [email protected] " "
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "Rc"
+                  [email protected]
+                    [email protected] "<"
+                    [email protected]
+                      [email protected]
+                        [email protected]
+                          [email protected]
+                            [email protected]
+                              [email protected] "Self"
+                    [email protected] ">"
+          [email protected] ")"
+        [email protected] " "
+        [email protected]
+          [email protected] "{"
+          [email protected] "}"
+      [email protected] "\n"
+      [email protected] "}"
diff --git a/crates/syntax/test_data/parser/ok/0051_parameter_attrs.rs b/crates/syntax/test_data/parser/ok/0051_parameter_attrs.rs
new file mode 100644
index 000000000..de350d858
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0051_parameter_attrs.rs
@@ -0,0 +1,21 @@
+fn g1(#[attr1] #[attr2] pat: Type) {}
+fn g2(#[attr1] x: u8) {}
+
+extern "C" { fn printf(format: *const i8, #[attr] ...) -> i32; }
+
+fn foo<F: FnMut(#[attr] &mut Foo<'a>)>(){}
+
+trait Foo {
+    fn bar(#[attr] _: u64, # [attr] mut x: i32);
+}
+
+impl S {
+     fn f(#[must_use] self) {}
+     fn g1(#[attr] self) {}
+     fn g2(#[attr] &self) {}
+     fn g3<'a>(#[attr] &mut self) {}
+     fn g4<'a>(#[attr] &'a self) {}
+     fn g5<'a>(#[attr] &'a mut self) {}
+     fn c(#[attr] self: Self) {}
+     fn d(#[attr] self: Rc<Self>) {}
+}
\ No newline at end of file
diff --git a/crates/syntax/test_data/parser/ok/0052_for_range_block.rast b/crates/syntax/test_data/parser/ok/0052_for_range_block.rast
new file mode 100644
index 000000000..350823ba3
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0052_for_range_block.rast
@@ -0,0 +1,78 @@
+[email protected]
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "foo"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n   "
+      [email protected]
+        [email protected] "for"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected] "_x"
+        [email protected] " "
+        [email protected] "in"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected] "0"
+          [email protected] " "
+          [email protected] ".."
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected] "("
+              [email protected]
+                [email protected]
+                  [email protected] "0"
+                [email protected] " "
+                [email protected] ".."
+                [email protected] " "
+                [email protected]
+                  [email protected] "{"
+                  [email protected]
+                    [email protected]
+                      [email protected] "1"
+                    [email protected] " "
+                    [email protected] "+"
+                    [email protected] " "
+                    [email protected]
+                      [email protected] "2"
+                  [email protected] "}"
+              [email protected] ")"
+            [email protected] "."
+            [email protected]
+              [email protected] "sum"
+            [email protected]
+              [email protected] "::"
+              [email protected] "<"
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected]
+                        [email protected] "u32"
+              [email protected] ">"
+            [email protected]
+              [email protected] "("
+              [email protected] ")"
+        [email protected] " "
+        [email protected]
+          [email protected] "{"
+          [email protected] "\n       "
+          [email protected]
+            [email protected]
+              [email protected] "break"
+            [email protected] ";"
+          [email protected] "\n   "
+          [email protected] "}"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0052_for_range_block.rs b/crates/syntax/test_data/parser/ok/0052_for_range_block.rs
new file mode 100644
index 000000000..b51b19630
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0052_for_range_block.rs
@@ -0,0 +1,5 @@
+fn foo() {
+   for _x in 0 .. (0 .. {1 + 2}).sum::<u32>() {
+       break;
+   }
+}
diff --git a/crates/syntax/test_data/parser/ok/0053_outer_attribute_on_macro_rules.rast b/crates/syntax/test_data/parser/ok/0053_outer_attribute_on_macro_rules.rast
new file mode 100644
index 000000000..be60f7a8e
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0053_outer_attribute_on_macro_rules.rast
@@ -0,0 +1,39 @@
+[email protected]
+  [email protected]
+    [email protected] "/// Some docs"
+    [email protected] "\n"
+    [email protected]
+      [email protected] "#"
+      [email protected] "["
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "macro_export"
+      [email protected] "]"
+    [email protected] "\n"
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected] "macro_rules"
+    [email protected] "!"
+    [email protected] " "
+    [email protected]
+      [email protected] "foo"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "("
+        [email protected] ")"
+      [email protected] " "
+      [email protected] "="
+      [email protected] ">"
+      [email protected] " "
+      [email protected]
+        [email protected] "{"
+        [email protected] "}"
+      [email protected] ";"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0053_outer_attribute_on_macro_rules.rs b/crates/syntax/test_data/parser/ok/0053_outer_attribute_on_macro_rules.rs
new file mode 100644
index 000000000..b59c23c56
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0053_outer_attribute_on_macro_rules.rs
@@ -0,0 +1,5 @@
+/// Some docs
+#[macro_export]
+macro_rules! foo {
+    () => {};
+}
diff --git a/crates/syntax/test_data/parser/ok/0054_qual_path_in_type_arg.rast b/crates/syntax/test_data/parser/ok/0054_qual_path_in_type_arg.rast
new file mode 100644
index 000000000..f25c9ac36
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0054_qual_path_in_type_arg.rast
@@ -0,0 +1,123 @@
+[email protected]
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "a"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "->"
+      [email protected] " "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected] "Foo"
+            [email protected]
+              [email protected] "<"
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected]
+                        [email protected]
+                          [email protected] "bar"
+                    [email protected] "::"
+                    [email protected]
+                      [email protected]
+                        [email protected] "Baz"
+              [email protected] ">"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "b"
+    [email protected]
+      [email protected] "("
+      [email protected]
+        [email protected]
+          [email protected] "_"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected] "impl"
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected] "FnMut"
+                    [email protected]
+                      [email protected] "("
+                      [email protected]
+                        [email protected]
+                          [email protected]
+                            [email protected]
+                              [email protected]
+                                [email protected]
+                                  [email protected] "x"
+                            [email protected] "::"
+                            [email protected]
+                              [email protected]
+                                [email protected] "Y"
+                      [email protected] ")"
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "c"
+    [email protected]
+      [email protected] "("
+      [email protected]
+        [email protected]
+          [email protected] "_"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected] "impl"
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected] "FnMut"
+                    [email protected]
+                      [email protected] "("
+                      [email protected]
+                        [email protected]
+                          [email protected] "&"
+                          [email protected]
+                            [email protected]
+                              [email protected]
+                                [email protected]
+                                  [email protected]
+                                    [email protected] "x"
+                              [email protected] "::"
+                              [email protected]
+                                [email protected]
+                                  [email protected] "Y"
+                      [email protected] ")"
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0054_qual_path_in_type_arg.rs b/crates/syntax/test_data/parser/ok/0054_qual_path_in_type_arg.rs
new file mode 100644
index 000000000..0d3f5722a
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0054_qual_path_in_type_arg.rs
@@ -0,0 +1,5 @@
+fn a() -> Foo<bar::Baz> {}
+
+fn b(_: impl FnMut(x::Y)) {}
+
+fn c(_: impl FnMut(&x::Y)) {}
diff --git a/crates/syntax/test_data/parser/ok/0055_dot_dot_dot.rast b/crates/syntax/test_data/parser/ok/0055_dot_dot_dot.rast
new file mode 100644
index 000000000..7447d516e
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0055_dot_dot_dot.rast
@@ -0,0 +1,49 @@
+[email protected]
+  [email protected]
+    [email protected] "type"
+    [email protected] " "
+    [email protected]
+      [email protected] "X"
+    [email protected] " "
+    [email protected] "="
+    [email protected] " "
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] ";"
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "main"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "let"
+        [email protected] " "
+        [email protected]
+          [email protected] "("
+          [email protected] ")"
+        [email protected] ":"
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected] "::"
+              [email protected]
+                [email protected] "X"
+        [email protected] " "
+        [email protected] "="
+        [email protected] " "
+        [email protected]
+          [email protected] "("
+          [email protected] ")"
+        [email protected] ";"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0055_dot_dot_dot.rs b/crates/syntax/test_data/parser/ok/0055_dot_dot_dot.rs
new file mode 100644
index 000000000..cd204f65e
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0055_dot_dot_dot.rs
@@ -0,0 +1,5 @@
+type X = ();
+
+fn main() {
+    let ():::X = ();
+}
diff --git a/crates/syntax/test_data/parser/ok/0056_neq_in_type.rast b/crates/syntax/test_data/parser/ok/0056_neq_in_type.rast
new file mode 100644
index 000000000..3ef916e55
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0056_neq_in_type.rast
@@ -0,0 +1,64 @@
+[email protected]
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "main"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "if"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "1.0f32"
+                [email protected] "."
+                [email protected]
+                  [email protected] "floor"
+                [email protected]
+                  [email protected] "("
+                  [email protected] ")"
+              [email protected] " "
+              [email protected] "as"
+              [email protected] " "
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected] "i64"
+            [email protected] " "
+            [email protected] "!="
+            [email protected] " "
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "1.0f32"
+                [email protected] "."
+                [email protected]
+                  [email protected] "floor"
+                [email protected]
+                  [email protected] "("
+                  [email protected] ")"
+              [email protected] " "
+              [email protected] "as"
+              [email protected] " "
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected] "i64"
+        [email protected] " "
+        [email protected]
+          [email protected] "{"
+          [email protected] "}"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0056_neq_in_type.rs b/crates/syntax/test_data/parser/ok/0056_neq_in_type.rs
new file mode 100644
index 000000000..6210683ce
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0056_neq_in_type.rs
@@ -0,0 +1,3 @@
+fn main() {
+    if 1.0f32.floor() as i64 != 1.0f32.floor() as i64 {}
+}
diff --git a/crates/syntax/test_data/parser/ok/0057_loop_in_call.rast b/crates/syntax/test_data/parser/ok/0057_loop_in_call.rast
new file mode 100644
index 000000000..76301004a
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0057_loop_in_call.rast
@@ -0,0 +1,56 @@
+[email protected]
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "foo"
+    [email protected]
+      [email protected] "("
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "x"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "i32"
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "main"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "foo"
+          [email protected]
+            [email protected] "("
+            [email protected]
+              [email protected] "loop"
+              [email protected] " "
+              [email protected]
+                [email protected] "{"
+                [email protected] "}"
+            [email protected] ")"
+        [email protected] ";"
+      [email protected] "\n"
+      [email protected] "}"
diff --git a/crates/syntax/test_data/parser/ok/0057_loop_in_call.rs b/crates/syntax/test_data/parser/ok/0057_loop_in_call.rs
new file mode 100644
index 000000000..31c12522f
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0057_loop_in_call.rs
@@ -0,0 +1,5 @@
+fn foo(x: i32) {}
+
+fn main() {
+    foo(loop {});
+}
\ No newline at end of file
diff --git a/crates/syntax/test_data/parser/ok/0058_unary_expr_precedence.rast b/crates/syntax/test_data/parser/ok/0058_unary_expr_precedence.rast
new file mode 100644
index 000000000..a1dfd58f2
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0058_unary_expr_precedence.rast
@@ -0,0 +1,96 @@
+[email protected]
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "foo"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected] "1"
+            [email protected] " "
+            [email protected] "+"
+            [email protected] " "
+            [email protected]
+              [email protected] "*"
+              [email protected]
+                [email protected] "&"
+                [email protected]
+                  [email protected] "2"
+          [email protected] " "
+          [email protected] "+"
+          [email protected] " "
+          [email protected]
+            [email protected] "3"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "*"
+            [email protected]
+              [email protected] "&"
+              [email protected]
+                [email protected] "1"
+          [email protected] " "
+          [email protected] "as"
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "u64"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected] "*"
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "x"
+            [email protected]
+              [email protected] "("
+              [email protected]
+                [email protected] "1"
+              [email protected] ")"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected] "&"
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "x"
+            [email protected] "["
+            [email protected]
+              [email protected] "1"
+            [email protected] "]"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "-"
+            [email protected]
+              [email protected] "1"
+          [email protected] ".."
+          [email protected]
+            [email protected] "2"
+        [email protected] ";"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0058_unary_expr_precedence.rs b/crates/syntax/test_data/parser/ok/0058_unary_expr_precedence.rs
new file mode 100644
index 000000000..100fccc64
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0058_unary_expr_precedence.rs
@@ -0,0 +1,7 @@
+fn foo() {
+    1 + *&2 + 3;
+    *&1 as u64;
+    *x(1);
+    &x[1];
+    -1..2;
+}
diff --git a/crates/syntax/test_data/parser/ok/0059_loops_in_parens.rast b/crates/syntax/test_data/parser/ok/0059_loops_in_parens.rast
new file mode 100644
index 000000000..213f7b381
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0059_loops_in_parens.rast
@@ -0,0 +1,97 @@
+[email protected]
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "main"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "Some"
+          [email protected]
+            [email protected] "("
+            [email protected]
+              [email protected] "for"
+              [email protected] " "
+              [email protected]
+                [email protected] "_"
+              [email protected] " "
+              [email protected] "in"
+              [email protected] " "
+              [email protected]
+                [email protected]
+                  [email protected] "["
+                  [email protected]
+                    [email protected] "1"
+                  [email protected] "]"
+                [email protected] "."
+                [email protected]
+                  [email protected] "into_iter"
+                [email protected]
+                  [email protected] "("
+                  [email protected] ")"
+              [email protected] " "
+              [email protected]
+                [email protected] "{"
+                [email protected] "}"
+            [email protected] ")"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "Some"
+          [email protected]
+            [email protected] "("
+            [email protected]
+              [email protected] "loop"
+              [email protected] " "
+              [email protected]
+                [email protected] "{"
+                [email protected] " "
+                [email protected]
+                  [email protected]
+                    [email protected] "break"
+                  [email protected] ";"
+                [email protected] " "
+                [email protected] "}"
+            [email protected] ")"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "Some"
+          [email protected]
+            [email protected] "("
+            [email protected]
+              [email protected] "while"
+              [email protected] " "
+              [email protected]
+                [email protected]
+                  [email protected] "true"
+              [email protected] " "
+              [email protected]
+                [email protected] "{"
+                [email protected] "}"
+            [email protected] ")"
+        [email protected] ";"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0059_loops_in_parens.rs b/crates/syntax/test_data/parser/ok/0059_loops_in_parens.rs
new file mode 100644
index 000000000..6e8b718aa
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0059_loops_in_parens.rs
@@ -0,0 +1,5 @@
+fn main() {
+    Some(for _ in [1].into_iter() {});
+    Some(loop { break; });
+    Some(while true {});
+}
diff --git a/crates/syntax/test_data/parser/ok/0060_as_range.rast b/crates/syntax/test_data/parser/ok/0060_as_range.rast
new file mode 100644
index 000000000..1fd1a2888
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0060_as_range.rast
@@ -0,0 +1,55 @@
+[email protected]
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "main"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected] "0"
+            [email protected] " "
+            [email protected] "as"
+            [email protected] " "
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "usize"
+          [email protected] " "
+          [email protected] ".."
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected] "1"
+            [email protected] " "
+            [email protected] "+"
+            [email protected] " "
+            [email protected]
+              [email protected]
+                [email protected] "2"
+              [email protected] " "
+              [email protected] "as"
+              [email protected] " "
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected] "usize"
+          [email protected] " "
+          [email protected] ".."
+        [email protected] ";"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0060_as_range.rs b/crates/syntax/test_data/parser/ok/0060_as_range.rs
new file mode 100644
index 000000000..f063ffadb
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0060_as_range.rs
@@ -0,0 +1,4 @@
+fn main() {
+    0 as usize ..;
+    1 + 2 as usize ..;
+}
diff --git a/crates/syntax/test_data/parser/ok/0061_match_full_range.rast b/crates/syntax/test_data/parser/ok/0061_match_full_range.rast
new file mode 100644
index 000000000..ba49c115b
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0061_match_full_range.rast
@@ -0,0 +1,26 @@
+[email protected]
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "main"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "match"
+        [email protected] " "
+        [email protected]
+          [email protected] ".."
+        [email protected] " "
+        [email protected]
+          [email protected] "{"
+          [email protected] "\n    "
+          [email protected] "}"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0061_match_full_range.rs b/crates/syntax/test_data/parser/ok/0061_match_full_range.rs
new file mode 100644
index 000000000..2c4ed11e1
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0061_match_full_range.rs
@@ -0,0 +1,4 @@
+fn main() {
+    match .. {
+    }
+}
diff --git a/crates/syntax/test_data/parser/ok/0062_macro_2.0.rast b/crates/syntax/test_data/parser/ok/0062_macro_2.0.rast
new file mode 100644
index 000000000..0c22c31a4
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0062_macro_2.0.rast
@@ -0,0 +1,175 @@
+[email protected]
+  [email protected]
+    [email protected] "macro"
+    [email protected] " "
+    [email protected]
+      [email protected] "parse_use_trees"
+    [email protected]
+      [email protected]
+        [email protected] "("
+        [email protected] "$"
+        [email protected]
+          [email protected] "("
+          [email protected] "$"
+          [email protected] "s"
+          [email protected] ":"
+          [email protected] "expr"
+          [email protected] ")"
+        [email protected] ","
+        [email protected] "*"
+        [email protected] " "
+        [email protected] "$"
+        [email protected]
+          [email protected] "("
+          [email protected] ","
+          [email protected] ")"
+        [email protected] "*"
+        [email protected] ")"
+      [email protected] " "
+      [email protected]
+        [email protected] "{"
+        [email protected] "\n    "
+        [email protected] "vec"
+        [email protected] "!"
+        [email protected]
+          [email protected] "["
+          [email protected] "\n        "
+          [email protected] "$"
+          [email protected]
+            [email protected] "("
+            [email protected] "parse_use_tree"
+            [email protected]
+              [email protected] "("
+              [email protected] "$"
+              [email protected] "s"
+              [email protected] ")"
+            [email protected] ","
+            [email protected] ")"
+          [email protected] "*"
+          [email protected] "\n    "
+          [email protected] "]"
+        [email protected] "\n"
+        [email protected] "}"
+  [email protected] "\n\n"
+  [email protected]
+    [email protected]
+      [email protected] "#"
+      [email protected] "["
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "test"
+      [email protected] "]"
+    [email protected] "\n"
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "test_use_tree_merge"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "macro"
+        [email protected] " "
+        [email protected]
+          [email protected] "test_merge"
+        [email protected]
+          [email protected]
+            [email protected] "("
+            [email protected]
+              [email protected] "["
+              [email protected] "$"
+              [email protected]
+                [email protected] "("
+                [email protected] "$"
+                [email protected] "input"
+                [email protected] ":"
+                [email protected] "expr"
+                [email protected] ")"
+              [email protected] ","
+              [email protected] "*"
+              [email protected] " "
+              [email protected] "$"
+              [email protected]
+                [email protected] "("
+                [email protected] ","
+                [email protected] ")"
+              [email protected] "*"
+              [email protected] "]"
+            [email protected] ","
+            [email protected] " "
+            [email protected]
+              [email protected] "["
+              [email protected] "$"
+              [email protected]
+                [email protected] "("
+                [email protected] "$"
+                [email protected] "output"
+                [email protected] ":"
+                [email protected] "expr"
+                [email protected] ")"
+              [email protected] ","
+              [email protected] "*"
+              [email protected] " "
+              [email protected] "$"
+              [email protected]
+                [email protected] "("
+                [email protected] ","
+                [email protected] ")"
+              [email protected] "*"
+              [email protected] "]"
+            [email protected] ")"
+          [email protected] " "
+          [email protected]
+            [email protected] "{"
+            [email protected] "\n        "
+            [email protected] "assert_eq"
+            [email protected] "!"
+            [email protected]
+              [email protected] "("
+              [email protected] "\n            "
+              [email protected] "merge_use_trees"
+              [email protected]
+                [email protected] "("
+                [email protected] "parse_use_trees"
+                [email protected] "!"
+                [email protected]
+                  [email protected] "("
+                  [email protected] "$"
+                  [email protected]
+                    [email protected] "("
+                    [email protected] "$"
+                    [email protected] "input"
+                    [email protected] ","
+                    [email protected] ")"
+                  [email protected] "*"
+                  [email protected] ")"
+                [email protected] ")"
+              [email protected] ","
+              [email protected] "\n            "
+              [email protected] "parse_use_trees"
+              [email protected] "!"
+              [email protected]
+                [email protected] "("
+                [email protected] "$"
+                [email protected]
+                  [email protected] "("
+                  [email protected] "$"
+                  [email protected] "output"
+                  [email protected] ","
+                  [email protected] ")"
+                [email protected] "*"
+                [email protected] ")"
+              [email protected] ","
+              [email protected] "\n        "
+              [email protected] ")"
+            [email protected] ";"
+            [email protected] "\n    "
+            [email protected] "}"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0062_macro_2.0.rs b/crates/syntax/test_data/parser/ok/0062_macro_2.0.rs
new file mode 100644
index 000000000..781047ba1
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0062_macro_2.0.rs
@@ -0,0 +1,15 @@
+macro parse_use_trees($($s:expr),* $(,)*) {
+    vec![
+        $(parse_use_tree($s),)*
+    ]
+}
+
+#[test]
+fn test_use_tree_merge() {
+    macro test_merge([$($input:expr),* $(,)*], [$($output:expr),* $(,)*]) {
+        assert_eq!(
+            merge_use_trees(parse_use_trees!($($input,)*)),
+            parse_use_trees!($($output,)*),
+        );
+    }
+}
diff --git a/crates/syntax/test_data/parser/ok/0063_trait_fn_patterns.rast b/crates/syntax/test_data/parser/ok/0063_trait_fn_patterns.rast
new file mode 100644
index 000000000..8eda59976
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0063_trait_fn_patterns.rast
@@ -0,0 +1,194 @@
+[email protected]
+  [email protected]
+    [email protected] "trait"
+    [email protected] " "
+    [email protected]
+      [email protected] "T"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "fn"
+        [email protected] " "
+        [email protected]
+          [email protected] "f1"
+        [email protected]
+          [email protected] "("
+          [email protected]
+            [email protected]
+              [email protected] "("
+              [email protected]
+                [email protected]
+                  [email protected] "a"
+              [email protected] ","
+              [email protected] " "
+              [email protected]
+                [email protected]
+                  [email protected] "b"
+              [email protected] ")"
+            [email protected] ":"
+            [email protected] " "
+            [email protected]
+              [email protected] "("
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected] "usize"
+              [email protected] ","
+              [email protected] " "
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected] "usize"
+              [email protected] ")"
+          [email protected] ")"
+        [email protected] " "
+        [email protected]
+          [email protected] "{"
+          [email protected] "}"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "fn"
+        [email protected] " "
+        [email protected]
+          [email protected] "f2"
+        [email protected]
+          [email protected] "("
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "S"
+              [email protected] " "
+              [email protected]
+                [email protected] "{"
+                [email protected] " "
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected] "a"
+                [email protected] ","
+                [email protected] " "
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected] "b"
+                [email protected] " "
+                [email protected] "}"
+            [email protected] ":"
+            [email protected] " "
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "S"
+          [email protected] ")"
+        [email protected] " "
+        [email protected]
+          [email protected] "{"
+          [email protected] "}"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "fn"
+        [email protected] " "
+        [email protected]
+          [email protected] "f3"
+        [email protected]
+          [email protected] "("
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "NewType"
+              [email protected] "("
+              [email protected]
+                [email protected]
+                  [email protected] "a"
+              [email protected] ")"
+            [email protected] ":"
+            [email protected] " "
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "NewType"
+          [email protected] ")"
+        [email protected] " "
+        [email protected]
+          [email protected] "{"
+          [email protected] "}"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "fn"
+        [email protected] " "
+        [email protected]
+          [email protected] "f4"
+        [email protected]
+          [email protected] "("
+          [email protected]
+            [email protected]
+              [email protected] "&"
+              [email protected]
+                [email protected] "&"
+                [email protected]
+                  [email protected]
+                    [email protected] "a"
+            [email protected] ":"
+            [email protected] " "
+            [email protected]
+              [email protected] "&"
+              [email protected]
+                [email protected] "&"
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected]
+                        [email protected] "usize"
+          [email protected] ")"
+        [email protected] " "
+        [email protected]
+          [email protected] "{"
+          [email protected] "}"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "fn"
+        [email protected] " "
+        [email protected]
+          [email protected] "bar"
+        [email protected]
+          [email protected] "("
+          [email protected]
+            [email protected]
+              [email protected] "_"
+            [email protected] ":"
+            [email protected] " "
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "u64"
+          [email protected] ","
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected] "mut"
+              [email protected] " "
+              [email protected]
+                [email protected] "x"
+            [email protected] ":"
+            [email protected] " "
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "i32"
+          [email protected] ")"
+        [email protected] ";"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0063_trait_fn_patterns.rs b/crates/syntax/test_data/parser/ok/0063_trait_fn_patterns.rs
new file mode 100644
index 000000000..3b666af8e
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0063_trait_fn_patterns.rs
@@ -0,0 +1,7 @@
+trait T {
+    fn f1((a, b): (usize, usize)) {}
+    fn f2(S { a, b }: S) {}
+    fn f3(NewType(a): NewType) {}
+    fn f4(&&a: &&usize) {}
+    fn bar(_: u64, mut x: i32);
+}
diff --git a/crates/syntax/test_data/parser/ok/0063_variadic_fun.rast b/crates/syntax/test_data/parser/ok/0063_variadic_fun.rast
new file mode 100644
index 000000000..4009b3ff8
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0063_variadic_fun.rast
@@ -0,0 +1,133 @@
+[email protected]
+  [email protected]
+    [email protected]
+      [email protected] "extern"
+      [email protected] " "
+      [email protected] "\"C\""
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "fn"
+        [email protected] " "
+        [email protected]
+          [email protected] "a"
+        [email protected]
+          [email protected] "("
+          [email protected]
+            [email protected]
+              [email protected] "_"
+            [email protected] ":"
+            [email protected] " "
+            [email protected]
+              [email protected] "*"
+              [email protected] "mut"
+              [email protected] " "
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected] "u8"
+          [email protected] ","
+          [email protected] " "
+          [email protected]
+            [email protected] "..."
+          [email protected] ","
+          [email protected] ")"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "fn"
+        [email protected] " "
+        [email protected]
+          [email protected] "b"
+        [email protected]
+          [email protected] "("
+          [email protected]
+            [email protected]
+              [email protected] "_"
+            [email protected] ":"
+            [email protected] " "
+            [email protected]
+              [email protected] "*"
+              [email protected] "mut"
+              [email protected] " "
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected] "u8"
+          [email protected] ","
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected] "_"
+            [email protected] ":"
+            [email protected] " "
+            [email protected] "..."
+          [email protected] ")"
+        [email protected] ";"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "fn"
+        [email protected] " "
+        [email protected]
+          [email protected] "c"
+        [email protected]
+          [email protected] "("
+          [email protected]
+            [email protected]
+              [email protected] "_"
+            [email protected] ":"
+            [email protected] " "
+            [email protected]
+              [email protected] "*"
+              [email protected] "mut"
+              [email protected] " "
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected] "u8"
+          [email protected] ","
+          [email protected] " "
+          [email protected]
+            [email protected] "#"
+            [email protected] "["
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "cfg"
+            [email protected]
+              [email protected] "("
+              [email protected] "never"
+              [email protected] ")"
+            [email protected] "]"
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected] "["
+              [email protected]
+                [email protected]
+                  [email protected] "w"
+              [email protected] ","
+              [email protected] " "
+              [email protected]
+                [email protected]
+                  [email protected] "t"
+              [email protected] ","
+              [email protected] " "
+              [email protected]
+                [email protected]
+                  [email protected] "f"
+              [email protected] "]"
+            [email protected] ":"
+            [email protected] " "
+            [email protected] "..."
+          [email protected] ","
+          [email protected] ")"
+        [email protected] ";"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0063_variadic_fun.rs b/crates/syntax/test_data/parser/ok/0063_variadic_fun.rs
new file mode 100644
index 000000000..a16afbaf3
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0063_variadic_fun.rs
@@ -0,0 +1,5 @@
+extern "C" {
+    fn a(_: *mut u8, ...,);
+    fn b(_: *mut u8, _: ...);
+    fn c(_: *mut u8, #[cfg(never)] [w, t, f]: ...,);
+}
diff --git a/crates/syntax/test_data/parser/ok/0064_impl_fn_params.rast b/crates/syntax/test_data/parser/ok/0064_impl_fn_params.rast
new file mode 100644
index 000000000..a3c6ed82e
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0064_impl_fn_params.rast
@@ -0,0 +1,162 @@
+[email protected]
+  [email protected]
+    [email protected] "impl"
+    [email protected] " "
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "U"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "fn"
+        [email protected] " "
+        [email protected]
+          [email protected] "f1"
+        [email protected]
+          [email protected] "("
+          [email protected]
+            [email protected]
+              [email protected] "("
+              [email protected]
+                [email protected]
+                  [email protected] "a"
+              [email protected] ","
+              [email protected] " "
+              [email protected]
+                [email protected]
+                  [email protected] "b"
+              [email protected] ")"
+            [email protected] ":"
+            [email protected] " "
+            [email protected]
+              [email protected] "("
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected] "usize"
+              [email protected] ","
+              [email protected] " "
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected] "usize"
+              [email protected] ")"
+          [email protected] ")"
+        [email protected] " "
+        [email protected]
+          [email protected] "{"
+          [email protected] "}"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "fn"
+        [email protected] " "
+        [email protected]
+          [email protected] "f2"
+        [email protected]
+          [email protected] "("
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "S"
+              [email protected] " "
+              [email protected]
+                [email protected] "{"
+                [email protected] " "
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected] "a"
+                [email protected] ","
+                [email protected] " "
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected] "b"
+                [email protected] " "
+                [email protected] "}"
+            [email protected] ":"
+            [email protected] " "
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "S"
+          [email protected] ")"
+        [email protected] " "
+        [email protected]
+          [email protected] "{"
+          [email protected] "}"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "fn"
+        [email protected] " "
+        [email protected]
+          [email protected] "f3"
+        [email protected]
+          [email protected] "("
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "NewType"
+              [email protected] "("
+              [email protected]
+                [email protected]
+                  [email protected] "a"
+              [email protected] ")"
+            [email protected] ":"
+            [email protected] " "
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "NewType"
+          [email protected] ")"
+        [email protected] " "
+        [email protected]
+          [email protected] "{"
+          [email protected] "}"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "fn"
+        [email protected] " "
+        [email protected]
+          [email protected] "f4"
+        [email protected]
+          [email protected] "("
+          [email protected]
+            [email protected]
+              [email protected] "&"
+              [email protected]
+                [email protected] "&"
+                [email protected]
+                  [email protected]
+                    [email protected] "a"
+            [email protected] ":"
+            [email protected] " "
+            [email protected]
+              [email protected] "&"
+              [email protected]
+                [email protected] "&"
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected]
+                        [email protected] "usize"
+          [email protected] ")"
+        [email protected] " "
+        [email protected]
+          [email protected] "{"
+          [email protected] "}"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0064_impl_fn_params.rs b/crates/syntax/test_data/parser/ok/0064_impl_fn_params.rs
new file mode 100644
index 000000000..b49e872d7
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0064_impl_fn_params.rs
@@ -0,0 +1,6 @@
+impl U {
+    fn f1((a, b): (usize, usize)) {}
+    fn f2(S { a, b }: S) {}
+    fn f3(NewType(a): NewType) {}
+    fn f4(&&a: &&usize) {}
+}
diff --git a/crates/syntax/test_data/parser/ok/0065_comment_newline.rast b/crates/syntax/test_data/parser/ok/0065_comment_newline.rast
new file mode 100644
index 000000000..29bd38c05
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0065_comment_newline.rast
@@ -0,0 +1,16 @@
+[email protected]
+  [email protected]
+    [email protected] "/// Example"
+    [email protected] "\n\n"
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "test"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0065_comment_newline.rs b/crates/syntax/test_data/parser/ok/0065_comment_newline.rs
new file mode 100644
index 000000000..1fafe216b
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0065_comment_newline.rs
@@ -0,0 +1,3 @@
+/// Example
+
+fn test() {}
diff --git a/crates/syntax/test_data/parser/ok/0065_plus_after_fn_trait_bound.rast b/crates/syntax/test_data/parser/ok/0065_plus_after_fn_trait_bound.rast
new file mode 100644
index 000000000..2c699ffcb
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0065_plus_after_fn_trait_bound.rast
@@ -0,0 +1,60 @@
+[email protected]
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "f"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected]
+          [email protected] "T"
+      [email protected] ">"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "where"
+      [email protected] " "
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "T"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "Fn"
+                  [email protected]
+                    [email protected] "("
+                    [email protected] ")"
+                  [email protected] " "
+                  [email protected]
+                    [email protected] "->"
+                    [email protected] " "
+                    [email protected]
+                      [email protected]
+                        [email protected]
+                          [email protected]
+                            [email protected] "u8"
+          [email protected] " "
+          [email protected] "+"
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "Send"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0065_plus_after_fn_trait_bound.rs b/crates/syntax/test_data/parser/ok/0065_plus_after_fn_trait_bound.rs
new file mode 100644
index 000000000..29f3655e0
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0065_plus_after_fn_trait_bound.rs
@@ -0,0 +1 @@
+fn f<T>() where T: Fn() -> u8 + Send {}
diff --git a/crates/syntax/test_data/parser/ok/0066_default_modifier.rast b/crates/syntax/test_data/parser/ok/0066_default_modifier.rast
new file mode 100644
index 000000000..e9b57ec3b
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0066_default_modifier.rast
@@ -0,0 +1,218 @@
+[email protected]
+  [email protected]
+    [email protected] "trait"
+    [email protected] " "
+    [email protected]
+      [email protected] "T"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n  "
+      [email protected]
+        [email protected] "default"
+        [email protected] " "
+        [email protected] "type"
+        [email protected] " "
+        [email protected]
+          [email protected] "T"
+        [email protected] " "
+        [email protected] "="
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "Bar"
+        [email protected] ";"
+      [email protected] "\n  "
+      [email protected]
+        [email protected] "default"
+        [email protected] " "
+        [email protected] "const"
+        [email protected] " "
+        [email protected]
+          [email protected] "f"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "u8"
+        [email protected] " "
+        [email protected] "="
+        [email protected] " "
+        [email protected]
+          [email protected] "0"
+        [email protected] ";"
+      [email protected] "\n  "
+      [email protected]
+        [email protected] "default"
+        [email protected] " "
+        [email protected] "fn"
+        [email protected] " "
+        [email protected]
+          [email protected] "foo"
+        [email protected]
+          [email protected] "("
+          [email protected] ")"
+        [email protected] " "
+        [email protected]
+          [email protected] "{"
+          [email protected] "}"
+      [email protected] "\n  "
+      [email protected]
+        [email protected] "default"
+        [email protected] " "
+        [email protected] "unsafe"
+        [email protected] " "
+        [email protected] "fn"
+        [email protected] " "
+        [email protected]
+          [email protected] "bar"
+        [email protected]
+          [email protected] "("
+          [email protected] ")"
+        [email protected] " "
+        [email protected]
+          [email protected] "{"
+          [email protected] "}"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "impl"
+    [email protected] " "
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "T"
+    [email protected] " "
+    [email protected] "for"
+    [email protected] " "
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "Foo"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n  "
+      [email protected]
+        [email protected] "default"
+        [email protected] " "
+        [email protected] "type"
+        [email protected] " "
+        [email protected]
+          [email protected] "T"
+        [email protected] " "
+        [email protected] "="
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "Bar"
+        [email protected] ";"
+      [email protected] "\n  "
+      [email protected]
+        [email protected] "default"
+        [email protected] " "
+        [email protected] "const"
+        [email protected] " "
+        [email protected]
+          [email protected] "f"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "u8"
+        [email protected] " "
+        [email protected] "="
+        [email protected] " "
+        [email protected]
+          [email protected] "0"
+        [email protected] ";"
+      [email protected] "\n  "
+      [email protected]
+        [email protected] "default"
+        [email protected] " "
+        [email protected] "fn"
+        [email protected] " "
+        [email protected]
+          [email protected] "foo"
+        [email protected]
+          [email protected] "("
+          [email protected] ")"
+        [email protected] " "
+        [email protected]
+          [email protected] "{"
+          [email protected] "}"
+      [email protected] "\n  "
+      [email protected]
+        [email protected] "default"
+        [email protected] " "
+        [email protected] "unsafe"
+        [email protected] " "
+        [email protected] "fn"
+        [email protected] " "
+        [email protected]
+          [email protected] "bar"
+        [email protected]
+          [email protected] "("
+          [email protected] ")"
+        [email protected] " "
+        [email protected]
+          [email protected] "{"
+          [email protected] "}"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "default"
+    [email protected] " "
+    [email protected] "impl"
+    [email protected] " "
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "T"
+    [email protected] " "
+    [email protected] "for"
+    [email protected] " "
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "default"
+    [email protected] " "
+    [email protected] "unsafe"
+    [email protected] " "
+    [email protected] "impl"
+    [email protected] " "
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "T"
+    [email protected] " "
+    [email protected] "for"
+    [email protected] " "
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0066_default_modifier.rs b/crates/syntax/test_data/parser/ok/0066_default_modifier.rs
new file mode 100644
index 000000000..e443e3495
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0066_default_modifier.rs
@@ -0,0 +1,16 @@
+trait T {
+  default type T = Bar;
+  default const f: u8 = 0;
+  default fn foo() {}
+  default unsafe fn bar() {}
+}
+
+impl T for Foo {
+  default type T = Bar;
+  default const f: u8 = 0;
+  default fn foo() {}
+  default unsafe fn bar() {}
+}
+
+default impl T for () {}
+default unsafe impl T for () {}
diff --git a/crates/syntax/test_data/parser/ok/0067_where_for_pred.rast b/crates/syntax/test_data/parser/ok/0067_where_for_pred.rast
new file mode 100644
index 000000000..8f8639a37
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0067_where_for_pred.rast
@@ -0,0 +1,392 @@
+[email protected]
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "for_trait"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected]
+          [email protected] "F"
+      [email protected] ">"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] "\n"
+    [email protected]
+      [email protected] "where"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "for"
+        [email protected]
+          [email protected] "<"
+          [email protected]
+            [email protected] "\'a"
+          [email protected] ">"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "F"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "Fn"
+                  [email protected]
+                    [email protected] "("
+                    [email protected]
+                      [email protected]
+                        [email protected] "&"
+                        [email protected] "\'a"
+                        [email protected] " "
+                        [email protected]
+                          [email protected]
+                            [email protected]
+                              [email protected]
+                                [email protected] "str"
+                    [email protected] ")"
+      [email protected] ","
+    [email protected] "\n"
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "for_ref"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected]
+          [email protected] "F"
+      [email protected] ">"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] "\n"
+    [email protected]
+      [email protected] "where"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "for"
+        [email protected]
+          [email protected] "<"
+          [email protected]
+            [email protected] "\'a"
+          [email protected] ">"
+        [email protected] " "
+        [email protected]
+          [email protected] "&"
+          [email protected] "\'a"
+          [email protected] " "
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "F"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "Debug"
+      [email protected] ","
+    [email protected] "\n"
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "for_parens"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected]
+          [email protected] "F"
+      [email protected] ">"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] "\n"
+    [email protected]
+      [email protected] "where"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "for"
+        [email protected]
+          [email protected] "<"
+          [email protected]
+            [email protected] "\'a"
+          [email protected] ">"
+        [email protected] " "
+        [email protected]
+          [email protected] "("
+          [email protected]
+            [email protected] "&"
+            [email protected] "\'a"
+            [email protected] " "
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "F"
+          [email protected] ")"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "Fn"
+                  [email protected]
+                    [email protected] "("
+                    [email protected]
+                      [email protected]
+                        [email protected] "&"
+                        [email protected] "\'a"
+                        [email protected] " "
+                        [email protected]
+                          [email protected]
+                            [email protected]
+                              [email protected]
+                                [email protected] "str"
+                    [email protected] ")"
+      [email protected] ","
+    [email protected] "\n"
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "for_slice"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected]
+          [email protected] "F"
+      [email protected] ">"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] "\n"
+    [email protected]
+      [email protected] "where"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "for"
+        [email protected]
+          [email protected] "<"
+          [email protected]
+            [email protected] "\'a"
+          [email protected] ">"
+        [email protected] " "
+        [email protected]
+          [email protected] "["
+          [email protected]
+            [email protected] "&"
+            [email protected] "\'a"
+            [email protected] " "
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "F"
+          [email protected] "]"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "Eq"
+      [email protected] ","
+    [email protected] "\n"
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "for_qpath"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected]
+          [email protected] "T"
+      [email protected] ">"
+    [email protected]
+      [email protected] "("
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "_t"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected] "&"
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected] "T"
+      [email protected] ")"
+    [email protected] "\n"
+    [email protected]
+      [email protected] "where"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "for"
+        [email protected]
+          [email protected] "<"
+          [email protected]
+            [email protected] "\'a"
+          [email protected] ">"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected] "<"
+                [email protected]
+                  [email protected] "&"
+                  [email protected] "\'a"
+                  [email protected] " "
+                  [email protected]
+                    [email protected]
+                      [email protected]
+                        [email protected]
+                          [email protected] "T"
+                [email protected] " "
+                [email protected] "as"
+                [email protected] " "
+                [email protected]
+                  [email protected]
+                    [email protected]
+                      [email protected]
+                        [email protected] "Baz"
+                [email protected] ">"
+            [email protected] "::"
+            [email protected]
+              [email protected]
+                [email protected] "Foo"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "Iterator"
+      [email protected] ","
+    [email protected] "\n"
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "for_for_fn"
+    [email protected]
+      [email protected] "<"
+      [email protected]
+        [email protected]
+          [email protected] "T"
+      [email protected] ">"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] "\n"
+    [email protected]
+      [email protected] "where"
+      [email protected] "\n    "
+      [email protected]
+        [email protected] "for"
+        [email protected]
+          [email protected] "<"
+          [email protected]
+            [email protected] "\'a"
+          [email protected] ">"
+        [email protected] " "
+        [email protected]
+          [email protected] "for"
+          [email protected]
+            [email protected] "<"
+            [email protected]
+              [email protected] "\'b"
+            [email protected] ">"
+          [email protected] " "
+          [email protected]
+            [email protected] "fn"
+            [email protected]
+              [email protected] "("
+              [email protected]
+                [email protected]
+                  [email protected] "&"
+                  [email protected] "\'a"
+                  [email protected] " "
+                  [email protected]
+                    [email protected]
+                      [email protected]
+                        [email protected]
+                          [email protected] "T"
+              [email protected] ","
+              [email protected] " "
+              [email protected]
+                [email protected]
+                  [email protected] "&"
+                  [email protected] "\'b"
+                  [email protected] " "
+                  [email protected]
+                    [email protected]
+                      [email protected]
+                        [email protected]
+                          [email protected] "T"
+              [email protected] ")"
+        [email protected] ":"
+        [email protected] " "
+        [email protected]
+          [email protected]
+            [email protected]
+              [email protected]
+                [email protected]
+                  [email protected]
+                    [email protected] "Copy"
+      [email protected] ","
+    [email protected] "\n"
+    [email protected]
+      [email protected] "{"
+      [email protected] "\n"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0067_where_for_pred.rs b/crates/syntax/test_data/parser/ok/0067_where_for_pred.rs
new file mode 100644
index 000000000..9058c4619
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0067_where_for_pred.rs
@@ -0,0 +1,30 @@
+fn for_trait<F>()
+where
+    for<'a> F: Fn(&'a str),
+{
+}
+fn for_ref<F>()
+where
+    for<'a> &'a F: Debug,
+{
+}
+fn for_parens<F>()
+where
+    for<'a> (&'a F): Fn(&'a str),
+{
+}
+fn for_slice<F>()
+where
+    for<'a> [&'a F]: Eq,
+{
+}
+fn for_qpath<T>(_t: &T)
+where
+    for<'a> <&'a T as Baz>::Foo: Iterator,
+{
+}
+fn for_for_fn<T>()
+where
+    for<'a> for<'b> fn(&'a T, &'b T): Copy,
+{
+}
diff --git a/crates/syntax/test_data/parser/ok/0068_item_modifiers.rast b/crates/syntax/test_data/parser/ok/0068_item_modifiers.rast
new file mode 100644
index 000000000..50a6d8ee9
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0068_item_modifiers.rast
@@ -0,0 +1,218 @@
+[email protected]
+  [email protected]
+    [email protected] "async"
+    [email protected] " "
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "foo"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
+  [email protected] "\n"
+  [email protected]
+    [email protected]
+      [email protected] "extern"
+    [email protected] " "
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "foo"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "const"
+    [email protected] " "
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "foo"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "const"
+    [email protected] " "
+    [email protected] "unsafe"
+    [email protected] " "
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "foo"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "unsafe"
+    [email protected] " "
+    [email protected]
+      [email protected] "extern"
+      [email protected] " "
+      [email protected] "\"C\""
+    [email protected] " "
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "foo"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "unsafe"
+    [email protected] " "
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "foo"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "async"
+    [email protected] " "
+    [email protected] "unsafe"
+    [email protected] " "
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "foo"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "const"
+    [email protected] " "
+    [email protected] "unsafe"
+    [email protected] " "
+    [email protected] "fn"
+    [email protected] " "
+    [email protected]
+      [email protected] "bar"
+    [email protected]
+      [email protected] "("
+      [email protected] ")"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "unsafe"
+    [email protected] " "
+    [email protected] "trait"
+    [email protected] " "
+    [email protected]
+      [email protected] "T"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "auto"
+    [email protected] " "
+    [email protected] "trait"
+    [email protected] " "
+    [email protected]
+      [email protected] "T"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "unsafe"
+    [email protected] " "
+    [email protected] "auto"
+    [email protected] " "
+    [email protected] "trait"
+    [email protected] " "
+    [email protected]
+      [email protected] "T"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
+  [email protected] "\n\n"
+  [email protected]
+    [email protected] "unsafe"
+    [email protected] " "
+    [email protected] "impl"
+    [email protected] " "
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "Foo"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "default"
+    [email protected] " "
+    [email protected] "impl"
+    [email protected] " "
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "Foo"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
+  [email protected] "\n"
+  [email protected]
+    [email protected] "unsafe"
+    [email protected] " "
+    [email protected] "default"
+    [email protected] " "
+    [email protected] "impl"
+    [email protected] " "
+    [email protected]
+      [email protected]
+        [email protected]
+          [email protected]
+            [email protected] "Foo"
+    [email protected] " "
+    [email protected]
+      [email protected] "{"
+      [email protected] "}"
+  [email protected] "\n"
diff --git a/crates/syntax/test_data/parser/ok/0068_item_modifiers.rs b/crates/syntax/test_data/parser/ok/0068_item_modifiers.rs
new file mode 100644
index 000000000..8d697c04b
--- /dev/null
+++ b/crates/syntax/test_data/parser/ok/0068_item_modifiers.rs
@@ -0,0 +1,16 @@
+async fn foo() {}
+extern fn foo() {}
+const fn foo() {}
+const unsafe fn foo() {}
+unsafe extern "C" fn foo() {}
+unsafe fn foo() {}
+async unsafe fn foo() {}
+const unsafe fn bar() {}
+
+unsafe trait T {}
+auto trait T {}
+unsafe auto trait T {}
+
+unsafe impl Foo {}
+default impl Foo {}
+unsafe default impl Foo {}