166 files changed, 982 insertions, 238 deletions
diff --git a/crates/ra_syntax/test_data/lexer/0010_comments.rs b/crates/ra_syntax/test_data/lexer/0010_comments.rs
deleted file mode 100644
index 71bdd1f9c..000000000
--- a/crates/ra_syntax/test_data/lexer/0010_comments.rs
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/usr/bin/env bash
-// hello
-//! World
diff --git a/crates/ra_syntax/test_data/lexer/0010_comments.txt b/crates/ra_syntax/test_data/lexer/0010_comments.txt
deleted file mode 100644
index 3c997de3f..000000000
--- a/crates/ra_syntax/test_data/lexer/0010_comments.txt
+++ /dev/null
@@ -1,6 +0,0 @@
-SHEBANG 19 "#!/usr/bin/env bash"
-WHITESPACE 1 "\n"
-COMMENT 8 "// hello"
-WHITESPACE 1 "\n"
-COMMENT 9 "//! World"
-WHITESPACE 1 "\n"
diff --git a/crates/ra_syntax/test_data/lexer/0014_unclosed_char.rs b/crates/ra_syntax/test_data/lexer/0014_unclosed_char.rs
deleted file mode 100644
index 9c0007077..000000000
--- a/crates/ra_syntax/test_data/lexer/0014_unclosed_char.rs
+++ /dev/null
@@ -1 +0,0 @@
-'1
-\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/0014_unclosed_char.txt b/crates/ra_syntax/test_data/lexer/0014_unclosed_char.txt
deleted file mode 100644
index 737a300ee..000000000
--- a/crates/ra_syntax/test_data/lexer/0014_unclosed_char.txt
+++ /dev/null
@@ -1 +0,0 @@
-LIFETIME 2 "\'1"
diff --git a/crates/ra_syntax/test_data/lexer/0015_unclosed_string.rs b/crates/ra_syntax/test_data/lexer/0015_unclosed_string.rs
deleted file mode 100644
index d771a26d4..000000000
--- a/crates/ra_syntax/test_data/lexer/0015_unclosed_string.rs
+++ /dev/null
@@ -1 +0,0 @@
-"hello
diff --git a/crates/ra_syntax/test_data/lexer/0015_unclosed_string.txt b/crates/ra_syntax/test_data/lexer/0015_unclosed_string.txt
deleted file mode 100644
index 728c40b66..000000000
--- a/crates/ra_syntax/test_data/lexer/0015_unclosed_string.txt
+++ /dev/null
@@ -1 +0,0 @@
-STRING 7 "\"hello\n"
diff --git a/crates/ra_syntax/test_data/lexer/err/0001_unclosed_char_at_eof.rs b/crates/ra_syntax/test_data/lexer/err/0001_unclosed_char_at_eof.rs
new file mode 100644
index 000000000..ad2823b48
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0001_unclosed_char_at_eof.rs
@@ -0,0 +1 @@
+'
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0001_unclosed_char_at_eof.txt b/crates/ra_syntax/test_data/lexer/err/0001_unclosed_char_at_eof.txt
new file mode 100644
index 000000000..f24e1fd32
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0001_unclosed_char_at_eof.txt
@@ -0,0 +1,2 @@
+CHAR 1 "\'"
+> error[0; 1) token("\'") msg(Missing trailing `'` symbol to terminate the character literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0002_unclosed_char_with_ferris.rs b/crates/ra_syntax/test_data/lexer/err/0002_unclosed_char_with_ferris.rs
new file mode 100644
index 000000000..e264a4152
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0002_unclosed_char_with_ferris.rs
@@ -0,0 +1 @@
+'🦀
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0002_unclosed_char_with_ferris.txt b/crates/ra_syntax/test_data/lexer/err/0002_unclosed_char_with_ferris.txt
new file mode 100644
index 000000000..bd08cfc44
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0002_unclosed_char_with_ferris.txt
@@ -0,0 +1,2 @@
+CHAR 5 "\'🦀"
+> error[0; 5) token("\'🦀") msg(Missing trailing `'` symbol to terminate the character literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0003_unclosed_char_with_ascii_escape.rs b/crates/ra_syntax/test_data/lexer/err/0003_unclosed_char_with_ascii_escape.rs
new file mode 100644
index 000000000..cf74b4dad
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0003_unclosed_char_with_ascii_escape.rs
@@ -0,0 +1 @@
+'\x7f
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0003_unclosed_char_with_ascii_escape.txt b/crates/ra_syntax/test_data/lexer/err/0003_unclosed_char_with_ascii_escape.txt
new file mode 100644
index 000000000..0ee22912d
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0003_unclosed_char_with_ascii_escape.txt
@@ -0,0 +1,2 @@
+CHAR 5 "\'\\x7f"
+> error[0; 5) token("\'\\x7f") msg(Missing trailing `'` symbol to terminate the character literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0004_unclosed_char_with_unicode_escape.rs b/crates/ra_syntax/test_data/lexer/err/0004_unclosed_char_with_unicode_escape.rs
new file mode 100644
index 000000000..50be91f68
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0004_unclosed_char_with_unicode_escape.rs
@@ -0,0 +1 @@
+'\u{20AA}
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0004_unclosed_char_with_unicode_escape.txt b/crates/ra_syntax/test_data/lexer/err/0004_unclosed_char_with_unicode_escape.txt
new file mode 100644
index 000000000..96fac42ce
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0004_unclosed_char_with_unicode_escape.txt
@@ -0,0 +1,2 @@
+CHAR 9 "\'\\u{20AA}"
+> error[0; 9) token("\'\\u{20AA}") msg(Missing trailing `'` symbol to terminate the character literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0005_unclosed_char_with_space.rs b/crates/ra_syntax/test_data/lexer/err/0005_unclosed_char_with_space.rs
new file mode 100644
index 000000000..309ecfe47
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0005_unclosed_char_with_space.rs
@@ -0,0 +1 @@
+' 
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0005_unclosed_char_with_space.txt b/crates/ra_syntax/test_data/lexer/err/0005_unclosed_char_with_space.txt
new file mode 100644
index 000000000..2059f3f81
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0005_unclosed_char_with_space.txt
@@ -0,0 +1,2 @@
+CHAR 2 "\' "
+> error[0; 2) token("\' ") msg(Missing trailing `'` symbol to terminate the character literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0006_unclosed_char_with_slash.rs b/crates/ra_syntax/test_data/lexer/err/0006_unclosed_char_with_slash.rs
new file mode 100644
index 000000000..6ba258b10
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0006_unclosed_char_with_slash.rs
@@ -0,0 +1 @@
+'\
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0006_unclosed_char_with_slash.txt b/crates/ra_syntax/test_data/lexer/err/0006_unclosed_char_with_slash.txt
new file mode 100644
index 000000000..7dd376e59
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0006_unclosed_char_with_slash.txt
@@ -0,0 +1,2 @@
+CHAR 2 "\'\\"
+> error[0; 2) token("\'\\") msg(Missing trailing `'` symbol to terminate the character literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0007_unclosed_char_with_slash_n.rs b/crates/ra_syntax/test_data/lexer/err/0007_unclosed_char_with_slash_n.rs
new file mode 100644
index 000000000..78bef7e3e
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0007_unclosed_char_with_slash_n.rs
@@ -0,0 +1 @@
+'\n
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0007_unclosed_char_with_slash_n.txt b/crates/ra_syntax/test_data/lexer/err/0007_unclosed_char_with_slash_n.txt
new file mode 100644
index 000000000..ef7a0a147
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0007_unclosed_char_with_slash_n.txt
@@ -0,0 +1,2 @@
+CHAR 3 "\'\\n"
+> error[0; 3) token("\'\\n") msg(Missing trailing `'` symbol to terminate the character literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0008_unclosed_char_with_slash_single_quote.rs b/crates/ra_syntax/test_data/lexer/err/0008_unclosed_char_with_slash_single_quote.rs
new file mode 100644
index 000000000..a0e722065
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0008_unclosed_char_with_slash_single_quote.rs
@@ -0,0 +1 @@
+'\'
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0008_unclosed_char_with_slash_single_quote.txt b/crates/ra_syntax/test_data/lexer/err/0008_unclosed_char_with_slash_single_quote.txt
new file mode 100644
index 000000000..13fc5ea9a
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0008_unclosed_char_with_slash_single_quote.txt
@@ -0,0 +1,2 @@
+CHAR 3 "\'\\\'"
+> error[0; 3) token("\'\\\'") msg(Missing trailing `'` symbol to terminate the character literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0009_unclosed_byte_at_eof.rs b/crates/ra_syntax/test_data/lexer/err/0009_unclosed_byte_at_eof.rs
new file mode 100644
index 000000000..795dc7e25
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0009_unclosed_byte_at_eof.rs
@@ -0,0 +1 @@
+b'
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0009_unclosed_byte_at_eof.txt b/crates/ra_syntax/test_data/lexer/err/0009_unclosed_byte_at_eof.txt
new file mode 100644
index 000000000..269d68c74
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0009_unclosed_byte_at_eof.txt
@@ -0,0 +1,2 @@
+BYTE 2 "b\'"
+> error[0; 2) token("b\'") msg(Missing trailing `'` symbol to terminate the byte literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0010_unclosed_byte_with_ferris.rs b/crates/ra_syntax/test_data/lexer/err/0010_unclosed_byte_with_ferris.rs
new file mode 100644
index 000000000..c9230dc24
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0010_unclosed_byte_with_ferris.rs
@@ -0,0 +1 @@
+b'🦀
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0010_unclosed_byte_with_ferris.txt b/crates/ra_syntax/test_data/lexer/err/0010_unclosed_byte_with_ferris.txt
new file mode 100644
index 000000000..91a76e479
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0010_unclosed_byte_with_ferris.txt
@@ -0,0 +1,2 @@
+BYTE 6 "b\'🦀"
+> error[0; 6) token("b\'🦀") msg(Missing trailing `'` symbol to terminate the byte literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0011_unclosed_byte_with_ascii_escape.rs b/crates/ra_syntax/test_data/lexer/err/0011_unclosed_byte_with_ascii_escape.rs
new file mode 100644
index 000000000..d146a8090
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0011_unclosed_byte_with_ascii_escape.rs
@@ -0,0 +1 @@
+b'\x7f
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0011_unclosed_byte_with_ascii_escape.txt b/crates/ra_syntax/test_data/lexer/err/0011_unclosed_byte_with_ascii_escape.txt
new file mode 100644
index 000000000..b8c804a18
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0011_unclosed_byte_with_ascii_escape.txt
@@ -0,0 +1,2 @@
+BYTE 6 "b\'\\x7f"
+> error[0; 6) token("b\'\\x7f") msg(Missing trailing `'` symbol to terminate the byte literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0012_unclosed_byte_with_unicode_escape.rs b/crates/ra_syntax/test_data/lexer/err/0012_unclosed_byte_with_unicode_escape.rs
new file mode 100644
index 000000000..a3dec7c25
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0012_unclosed_byte_with_unicode_escape.rs
@@ -0,0 +1 @@
+b'\u{20AA}
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0012_unclosed_byte_with_unicode_escape.txt b/crates/ra_syntax/test_data/lexer/err/0012_unclosed_byte_with_unicode_escape.txt
new file mode 100644
index 000000000..dfca22a59
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0012_unclosed_byte_with_unicode_escape.txt
@@ -0,0 +1,2 @@
+BYTE 10 "b\'\\u{20AA}"
+> error[0; 10) token("b\'\\u{20AA}") msg(Missing trailing `'` symbol to terminate the byte literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0013_unclosed_byte_with_space.rs b/crates/ra_syntax/test_data/lexer/err/0013_unclosed_byte_with_space.rs
new file mode 100644
index 000000000..93b7f9c87
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0013_unclosed_byte_with_space.rs
@@ -0,0 +1 @@
+b' 
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0013_unclosed_byte_with_space.txt b/crates/ra_syntax/test_data/lexer/err/0013_unclosed_byte_with_space.txt
new file mode 100644
index 000000000..51a1cceab
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0013_unclosed_byte_with_space.txt
@@ -0,0 +1,2 @@
+BYTE 3 "b\' "
+> error[0; 3) token("b\' ") msg(Missing trailing `'` symbol to terminate the byte literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0014_unclosed_byte_with_slash.rs b/crates/ra_syntax/test_data/lexer/err/0014_unclosed_byte_with_slash.rs
new file mode 100644
index 000000000..abffa5037
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0014_unclosed_byte_with_slash.rs
@@ -0,0 +1 @@
+b'\
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0014_unclosed_byte_with_slash.txt b/crates/ra_syntax/test_data/lexer/err/0014_unclosed_byte_with_slash.txt
new file mode 100644
index 000000000..24e835c27
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0014_unclosed_byte_with_slash.txt
@@ -0,0 +1,2 @@
+BYTE 3 "b\'\\"
+> error[0; 3) token("b\'\\") msg(Missing trailing `'` symbol to terminate the byte literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0015_unclosed_byte_with_slash_n.rs b/crates/ra_syntax/test_data/lexer/err/0015_unclosed_byte_with_slash_n.rs
new file mode 100644
index 000000000..4f46836a9
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0015_unclosed_byte_with_slash_n.rs
@@ -0,0 +1 @@
+b'\n
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0015_unclosed_byte_with_slash_n.txt b/crates/ra_syntax/test_data/lexer/err/0015_unclosed_byte_with_slash_n.txt
new file mode 100644
index 000000000..f1e39a41b
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0015_unclosed_byte_with_slash_n.txt
@@ -0,0 +1,2 @@
+BYTE 4 "b\'\\n"
+> error[0; 4) token("b\'\\n") msg(Missing trailing `'` symbol to terminate the byte literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0016_unclosed_byte_with_slash_single_quote.rs b/crates/ra_syntax/test_data/lexer/err/0016_unclosed_byte_with_slash_single_quote.rs
new file mode 100644
index 000000000..645b641ee
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0016_unclosed_byte_with_slash_single_quote.rs
@@ -0,0 +1 @@
+b'\'
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0016_unclosed_byte_with_slash_single_quote.txt b/crates/ra_syntax/test_data/lexer/err/0016_unclosed_byte_with_slash_single_quote.txt
new file mode 100644
index 000000000..f8ffe815d
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0016_unclosed_byte_with_slash_single_quote.txt
@@ -0,0 +1,2 @@
+BYTE 4 "b\'\\\'"
+> error[0; 4) token("b\'\\\'") msg(Missing trailing `'` symbol to terminate the byte literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0017_unclosed_string_at_eof.rs b/crates/ra_syntax/test_data/lexer/err/0017_unclosed_string_at_eof.rs
new file mode 100644
index 000000000..9d68933c4
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0017_unclosed_string_at_eof.rs
@@ -0,0 +1 @@
+"
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0017_unclosed_string_at_eof.txt b/crates/ra_syntax/test_data/lexer/err/0017_unclosed_string_at_eof.txt
new file mode 100644
index 000000000..823daaf6f
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0017_unclosed_string_at_eof.txt
@@ -0,0 +1,2 @@
+STRING 1 "\""
+> error[0; 1) token("\"") msg(Missing trailing `"` symbol to terminate the string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0018_unclosed_string_with_ferris.rs b/crates/ra_syntax/test_data/lexer/err/0018_unclosed_string_with_ferris.rs
new file mode 100644
index 000000000..d439b8d2a
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0018_unclosed_string_with_ferris.rs
@@ -0,0 +1 @@
+"🦀
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0018_unclosed_string_with_ferris.txt b/crates/ra_syntax/test_data/lexer/err/0018_unclosed_string_with_ferris.txt
new file mode 100644
index 000000000..164580eb3
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0018_unclosed_string_with_ferris.txt
@@ -0,0 +1,2 @@
+STRING 5 "\"🦀"
+> error[0; 5) token("\"🦀") msg(Missing trailing `"` symbol to terminate the string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0019_unclosed_string_with_ascii_escape.rs b/crates/ra_syntax/test_data/lexer/err/0019_unclosed_string_with_ascii_escape.rs
new file mode 100644
index 000000000..56186a344
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0019_unclosed_string_with_ascii_escape.rs
@@ -0,0 +1 @@
+"\x7f
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0019_unclosed_string_with_ascii_escape.txt b/crates/ra_syntax/test_data/lexer/err/0019_unclosed_string_with_ascii_escape.txt
new file mode 100644
index 000000000..4453827c3
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0019_unclosed_string_with_ascii_escape.txt
@@ -0,0 +1,2 @@
+STRING 5 "\"\\x7f"
+> error[0; 5) token("\"\\x7f") msg(Missing trailing `"` symbol to terminate the string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0020_unclosed_string_with_unicode_escape.rs b/crates/ra_syntax/test_data/lexer/err/0020_unclosed_string_with_unicode_escape.rs
new file mode 100644
index 000000000..ed24095c3
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0020_unclosed_string_with_unicode_escape.rs
@@ -0,0 +1 @@
+"\u{20AA}
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0020_unclosed_string_with_unicode_escape.txt b/crates/ra_syntax/test_data/lexer/err/0020_unclosed_string_with_unicode_escape.txt
new file mode 100644
index 000000000..aa614f304
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0020_unclosed_string_with_unicode_escape.txt
@@ -0,0 +1,2 @@
+STRING 9 "\"\\u{20AA}"
+> error[0; 9) token("\"\\u{20AA}") msg(Missing trailing `"` symbol to terminate the string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0021_unclosed_string_with_space.rs b/crates/ra_syntax/test_data/lexer/err/0021_unclosed_string_with_space.rs
new file mode 100644
index 000000000..72cdc841f
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0021_unclosed_string_with_space.rs
@@ -0,0 +1 @@
+" 
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0021_unclosed_string_with_space.txt b/crates/ra_syntax/test_data/lexer/err/0021_unclosed_string_with_space.txt
new file mode 100644
index 000000000..b7db1236f
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0021_unclosed_string_with_space.txt
@@ -0,0 +1,2 @@
+STRING 2 "\" "
+> error[0; 2) token("\" ") msg(Missing trailing `"` symbol to terminate the string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0022_unclosed_string_with_slash.rs b/crates/ra_syntax/test_data/lexer/err/0022_unclosed_string_with_slash.rs
new file mode 100644
index 000000000..00a258400
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0022_unclosed_string_with_slash.rs
@@ -0,0 +1 @@
+"\
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0022_unclosed_string_with_slash.txt b/crates/ra_syntax/test_data/lexer/err/0022_unclosed_string_with_slash.txt
new file mode 100644
index 000000000..9d3df3799
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0022_unclosed_string_with_slash.txt
@@ -0,0 +1,2 @@
+STRING 2 "\"\\"
+> error[0; 2) token("\"\\") msg(Missing trailing `"` symbol to terminate the string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0023_unclosed_string_with_slash_n.rs b/crates/ra_syntax/test_data/lexer/err/0023_unclosed_string_with_slash_n.rs
new file mode 100644
index 000000000..a0c29b8cf
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0023_unclosed_string_with_slash_n.rs
@@ -0,0 +1 @@
+"\n
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0023_unclosed_string_with_slash_n.txt b/crates/ra_syntax/test_data/lexer/err/0023_unclosed_string_with_slash_n.txt
new file mode 100644
index 000000000..e3eb672b6
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0023_unclosed_string_with_slash_n.txt
@@ -0,0 +1,2 @@
+STRING 3 "\"\\n"
+> error[0; 3) token("\"\\n") msg(Missing trailing `"` symbol to terminate the string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0024_unclosed_string_with_slash_double_quote.rs b/crates/ra_syntax/test_data/lexer/err/0024_unclosed_string_with_slash_double_quote.rs
new file mode 100644
index 000000000..403c2d6dd
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0024_unclosed_string_with_slash_double_quote.rs
@@ -0,0 +1 @@
+"\"
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0024_unclosed_string_with_slash_double_quote.txt b/crates/ra_syntax/test_data/lexer/err/0024_unclosed_string_with_slash_double_quote.txt
new file mode 100644
index 000000000..041d7fb6e
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0024_unclosed_string_with_slash_double_quote.txt
@@ -0,0 +1,2 @@
+STRING 3 "\"\\\""
+> error[0; 3) token("\"\\\"") msg(Missing trailing `"` symbol to terminate the string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0025_unclosed_byte_string_at_eof.rs b/crates/ra_syntax/test_data/lexer/err/0025_unclosed_byte_string_at_eof.rs
new file mode 100644
index 000000000..36f4f4321
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0025_unclosed_byte_string_at_eof.rs
@@ -0,0 +1 @@
+b"
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0025_unclosed_byte_string_at_eof.txt b/crates/ra_syntax/test_data/lexer/err/0025_unclosed_byte_string_at_eof.txt
new file mode 100644
index 000000000..be7970a83
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0025_unclosed_byte_string_at_eof.txt
@@ -0,0 +1,2 @@
+BYTE_STRING 2 "b\""
+> error[0; 2) token("b\"") msg(Missing trailing `"` symbol to terminate the byte string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0026_unclosed_byte_string_with_ferris.rs b/crates/ra_syntax/test_data/lexer/err/0026_unclosed_byte_string_with_ferris.rs
new file mode 100644
index 000000000..3c23a0372
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0026_unclosed_byte_string_with_ferris.rs
@@ -0,0 +1 @@
+b"🦀
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0026_unclosed_byte_string_with_ferris.txt b/crates/ra_syntax/test_data/lexer/err/0026_unclosed_byte_string_with_ferris.txt
new file mode 100644
index 000000000..bf9aab132
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0026_unclosed_byte_string_with_ferris.txt
@@ -0,0 +1,2 @@
+BYTE_STRING 6 "b\"🦀"
+> error[0; 6) token("b\"🦀") msg(Missing trailing `"` symbol to terminate the byte string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0027_unclosed_byte_string_with_ascii_escape.rs b/crates/ra_syntax/test_data/lexer/err/0027_unclosed_byte_string_with_ascii_escape.rs
new file mode 100644
index 000000000..836c112c1
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0027_unclosed_byte_string_with_ascii_escape.rs
@@ -0,0 +1 @@
+b"\x7f
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0027_unclosed_byte_string_with_ascii_escape.txt b/crates/ra_syntax/test_data/lexer/err/0027_unclosed_byte_string_with_ascii_escape.txt
new file mode 100644
index 000000000..76e16d7d3
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0027_unclosed_byte_string_with_ascii_escape.txt
@@ -0,0 +1,2 @@
+BYTE_STRING 6 "b\"\\x7f"
+> error[0; 6) token("b\"\\x7f") msg(Missing trailing `"` symbol to terminate the byte string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0028_unclosed_byte_string_with_unicode_escape.rs b/crates/ra_syntax/test_data/lexer/err/0028_unclosed_byte_string_with_unicode_escape.rs
new file mode 100644
index 000000000..1c6df1d00
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0028_unclosed_byte_string_with_unicode_escape.rs
@@ -0,0 +1 @@
+b"\u{20AA}
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0028_unclosed_byte_string_with_unicode_escape.txt b/crates/ra_syntax/test_data/lexer/err/0028_unclosed_byte_string_with_unicode_escape.txt
new file mode 100644
index 000000000..09adffa16
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0028_unclosed_byte_string_with_unicode_escape.txt
@@ -0,0 +1,2 @@
+BYTE_STRING 10 "b\"\\u{20AA}"
+> error[0; 10) token("b\"\\u{20AA}") msg(Missing trailing `"` symbol to terminate the byte string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0029_unclosed_byte_string_with_space.rs b/crates/ra_syntax/test_data/lexer/err/0029_unclosed_byte_string_with_space.rs
new file mode 100644
index 000000000..d6898541e
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0029_unclosed_byte_string_with_space.rs
@@ -0,0 +1 @@
+b" 
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0029_unclosed_byte_string_with_space.txt b/crates/ra_syntax/test_data/lexer/err/0029_unclosed_byte_string_with_space.txt
new file mode 100644
index 000000000..fcb7253c8
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0029_unclosed_byte_string_with_space.txt
@@ -0,0 +1,2 @@
+BYTE_STRING 3 "b\" "
+> error[0; 3) token("b\" ") msg(Missing trailing `"` symbol to terminate the byte string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0030_unclosed_byte_string_with_slash.rs b/crates/ra_syntax/test_data/lexer/err/0030_unclosed_byte_string_with_slash.rs
new file mode 100644
index 000000000..cce661538
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0030_unclosed_byte_string_with_slash.rs
@@ -0,0 +1 @@
+b"\
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0030_unclosed_byte_string_with_slash.txt b/crates/ra_syntax/test_data/lexer/err/0030_unclosed_byte_string_with_slash.txt
new file mode 100644
index 000000000..0a1b3e269
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0030_unclosed_byte_string_with_slash.txt
@@ -0,0 +1,2 @@
+BYTE_STRING 3 "b\"\\"
+> error[0; 3) token("b\"\\") msg(Missing trailing `"` symbol to terminate the byte string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0031_unclosed_byte_string_with_slash_n.rs b/crates/ra_syntax/test_data/lexer/err/0031_unclosed_byte_string_with_slash_n.rs
new file mode 100644
index 000000000..5e680aabb
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0031_unclosed_byte_string_with_slash_n.rs
@@ -0,0 +1 @@
+b"\n
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0031_unclosed_byte_string_with_slash_n.txt b/crates/ra_syntax/test_data/lexer/err/0031_unclosed_byte_string_with_slash_n.txt
new file mode 100644
index 000000000..1fb89d2b6
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0031_unclosed_byte_string_with_slash_n.txt
@@ -0,0 +1,2 @@
+BYTE_STRING 4 "b\"\\n"
+> error[0; 4) token("b\"\\n") msg(Missing trailing `"` symbol to terminate the byte string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0032_unclosed_byte_string_with_slash_double_quote.rs b/crates/ra_syntax/test_data/lexer/err/0032_unclosed_byte_string_with_slash_double_quote.rs
new file mode 100644
index 000000000..f2ff58ba9
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0032_unclosed_byte_string_with_slash_double_quote.rs
@@ -0,0 +1 @@
+b"\"
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0032_unclosed_byte_string_with_slash_double_quote.txt b/crates/ra_syntax/test_data/lexer/err/0032_unclosed_byte_string_with_slash_double_quote.txt
new file mode 100644
index 000000000..718d36992
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0032_unclosed_byte_string_with_slash_double_quote.txt
@@ -0,0 +1,2 @@
+BYTE_STRING 4 "b\"\\\""
+> error[0; 4) token("b\"\\\"") msg(Missing trailing `"` symbol to terminate the byte string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0033_unclosed_raw_string_at_eof.rs b/crates/ra_syntax/test_data/lexer/err/0033_unclosed_raw_string_at_eof.rs
new file mode 100644
index 000000000..557c59b62
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0033_unclosed_raw_string_at_eof.rs
@@ -0,0 +1 @@
+r##"
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0033_unclosed_raw_string_at_eof.txt b/crates/ra_syntax/test_data/lexer/err/0033_unclosed_raw_string_at_eof.txt
new file mode 100644
index 000000000..93348f548
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0033_unclosed_raw_string_at_eof.txt
@@ -0,0 +1,2 @@
+RAW_STRING 4 "r##\""
+> error[0; 4) token("r##\"") msg(Missing trailing `"` with `#` symbols to terminate the raw string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0034_unclosed_raw_string_with_ferris.rs b/crates/ra_syntax/test_data/lexer/err/0034_unclosed_raw_string_with_ferris.rs
new file mode 100644
index 000000000..bd046e4bb
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0034_unclosed_raw_string_with_ferris.rs
@@ -0,0 +1 @@
+r##"🦀
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0034_unclosed_raw_string_with_ferris.txt b/crates/ra_syntax/test_data/lexer/err/0034_unclosed_raw_string_with_ferris.txt
new file mode 100644
index 000000000..42c70dfe8
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0034_unclosed_raw_string_with_ferris.txt
@@ -0,0 +1,2 @@
+RAW_STRING 8 "r##\"🦀"
+> error[0; 8) token("r##\"🦀") msg(Missing trailing `"` with `#` symbols to terminate the raw string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0035_unclosed_raw_string_with_ascii_escape.rs b/crates/ra_syntax/test_data/lexer/err/0035_unclosed_raw_string_with_ascii_escape.rs
new file mode 100644
index 000000000..5bec883dc
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0035_unclosed_raw_string_with_ascii_escape.rs
@@ -0,0 +1 @@
+r##"\x7f
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0035_unclosed_raw_string_with_ascii_escape.txt b/crates/ra_syntax/test_data/lexer/err/0035_unclosed_raw_string_with_ascii_escape.txt
new file mode 100644
index 000000000..2bdeea0ff
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0035_unclosed_raw_string_with_ascii_escape.txt
@@ -0,0 +1,2 @@
+RAW_STRING 8 "r##\"\\x7f"
+> error[0; 8) token("r##\"\\x7f") msg(Missing trailing `"` with `#` symbols to terminate the raw string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0036_unclosed_raw_string_with_unicode_escape.rs b/crates/ra_syntax/test_data/lexer/err/0036_unclosed_raw_string_with_unicode_escape.rs
new file mode 100644
index 000000000..bf05c3913
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0036_unclosed_raw_string_with_unicode_escape.rs
@@ -0,0 +1 @@
+r##"\u{20AA}
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0036_unclosed_raw_string_with_unicode_escape.txt b/crates/ra_syntax/test_data/lexer/err/0036_unclosed_raw_string_with_unicode_escape.txt
new file mode 100644
index 000000000..667d4d79f
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0036_unclosed_raw_string_with_unicode_escape.txt
@@ -0,0 +1,2 @@
+RAW_STRING 12 "r##\"\\u{20AA}"
+> error[0; 12) token("r##\"\\u{20AA}") msg(Missing trailing `"` with `#` symbols to terminate the raw string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0037_unclosed_raw_string_with_space.rs b/crates/ra_syntax/test_data/lexer/err/0037_unclosed_raw_string_with_space.rs
new file mode 100644
index 000000000..f104bae4f
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0037_unclosed_raw_string_with_space.rs
@@ -0,0 +1 @@
+r##" 
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0037_unclosed_raw_string_with_space.txt b/crates/ra_syntax/test_data/lexer/err/0037_unclosed_raw_string_with_space.txt
new file mode 100644
index 000000000..dd9597a1a
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0037_unclosed_raw_string_with_space.txt
@@ -0,0 +1,2 @@
+RAW_STRING 5 "r##\" "
+> error[0; 5) token("r##\" ") msg(Missing trailing `"` with `#` symbols to terminate the raw string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0038_unclosed_raw_string_with_slash.rs b/crates/ra_syntax/test_data/lexer/err/0038_unclosed_raw_string_with_slash.rs
new file mode 100644
index 000000000..9242077b8
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0038_unclosed_raw_string_with_slash.rs
@@ -0,0 +1 @@
+r##"\
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0038_unclosed_raw_string_with_slash.txt b/crates/ra_syntax/test_data/lexer/err/0038_unclosed_raw_string_with_slash.txt
new file mode 100644
index 000000000..6ac6e3d62
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0038_unclosed_raw_string_with_slash.txt
@@ -0,0 +1,2 @@
+RAW_STRING 5 "r##\"\\"
+> error[0; 5) token("r##\"\\") msg(Missing trailing `"` with `#` symbols to terminate the raw string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0039_unclosed_raw_string_with_slash_n.rs b/crates/ra_syntax/test_data/lexer/err/0039_unclosed_raw_string_with_slash_n.rs
new file mode 100644
index 000000000..db1c16f2b
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0039_unclosed_raw_string_with_slash_n.rs
@@ -0,0 +1 @@
+r##"\n
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0039_unclosed_raw_string_with_slash_n.txt b/crates/ra_syntax/test_data/lexer/err/0039_unclosed_raw_string_with_slash_n.txt
new file mode 100644
index 000000000..9d35443f5
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0039_unclosed_raw_string_with_slash_n.txt
@@ -0,0 +1,2 @@
+RAW_STRING 6 "r##\"\\n"
+> error[0; 6) token("r##\"\\n") msg(Missing trailing `"` with `#` symbols to terminate the raw string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0040_unclosed_raw_byte_string_at_eof.rs b/crates/ra_syntax/test_data/lexer/err/0040_unclosed_raw_byte_string_at_eof.rs
new file mode 100644
index 000000000..ae5bae622
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0040_unclosed_raw_byte_string_at_eof.rs
@@ -0,0 +1 @@
+br##"
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0040_unclosed_raw_byte_string_at_eof.txt b/crates/ra_syntax/test_data/lexer/err/0040_unclosed_raw_byte_string_at_eof.txt
new file mode 100644
index 000000000..81fa39ea5
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0040_unclosed_raw_byte_string_at_eof.txt
@@ -0,0 +1,2 @@
+RAW_BYTE_STRING 5 "br##\""
+> error[0; 5) token("br##\"") msg(Missing trailing `"` with `#` symbols to terminate the raw byte string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0041_unclosed_raw_byte_string_with_ferris.rs b/crates/ra_syntax/test_data/lexer/err/0041_unclosed_raw_byte_string_with_ferris.rs
new file mode 100644
index 000000000..9ef01207a
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0041_unclosed_raw_byte_string_with_ferris.rs
@@ -0,0 +1 @@
+br##"🦀
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0041_unclosed_raw_byte_string_with_ferris.txt b/crates/ra_syntax/test_data/lexer/err/0041_unclosed_raw_byte_string_with_ferris.txt
new file mode 100644
index 000000000..c2503a4d0
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0041_unclosed_raw_byte_string_with_ferris.txt
@@ -0,0 +1,2 @@
+RAW_BYTE_STRING 9 "br##\"🦀"
+> error[0; 9) token("br##\"🦀") msg(Missing trailing `"` with `#` symbols to terminate the raw byte string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0042_unclosed_raw_byte_string_with_ascii_escape.rs b/crates/ra_syntax/test_data/lexer/err/0042_unclosed_raw_byte_string_with_ascii_escape.rs
new file mode 100644
index 000000000..d50270afe
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0042_unclosed_raw_byte_string_with_ascii_escape.rs
@@ -0,0 +1 @@
+br##"\x7f
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0042_unclosed_raw_byte_string_with_ascii_escape.txt b/crates/ra_syntax/test_data/lexer/err/0042_unclosed_raw_byte_string_with_ascii_escape.txt
new file mode 100644
index 000000000..3bd3d8152
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0042_unclosed_raw_byte_string_with_ascii_escape.txt
@@ -0,0 +1,2 @@
+RAW_BYTE_STRING 9 "br##\"\\x7f"
+> error[0; 9) token("br##\"\\x7f") msg(Missing trailing `"` with `#` symbols to terminate the raw byte string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0043_unclosed_raw_byte_string_with_unicode_escape.rs b/crates/ra_syntax/test_data/lexer/err/0043_unclosed_raw_byte_string_with_unicode_escape.rs
new file mode 100644
index 000000000..90e299a1a
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0043_unclosed_raw_byte_string_with_unicode_escape.rs
@@ -0,0 +1 @@
+br##"\u{20AA}
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0043_unclosed_raw_byte_string_with_unicode_escape.txt b/crates/ra_syntax/test_data/lexer/err/0043_unclosed_raw_byte_string_with_unicode_escape.txt
new file mode 100644
index 000000000..a512f0428
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0043_unclosed_raw_byte_string_with_unicode_escape.txt
@@ -0,0 +1,2 @@
+RAW_BYTE_STRING 13 "br##\"\\u{20AA}"
+> error[0; 13) token("br##\"\\u{20AA}") msg(Missing trailing `"` with `#` symbols to terminate the raw byte string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0044_unclosed_raw_byte_string_with_space.rs b/crates/ra_syntax/test_data/lexer/err/0044_unclosed_raw_byte_string_with_space.rs
new file mode 100644
index 000000000..14c602fd2
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0044_unclosed_raw_byte_string_with_space.rs
@@ -0,0 +1 @@
+br##" 
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0044_unclosed_raw_byte_string_with_space.txt b/crates/ra_syntax/test_data/lexer/err/0044_unclosed_raw_byte_string_with_space.txt
new file mode 100644
index 000000000..dc616a623
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0044_unclosed_raw_byte_string_with_space.txt
@@ -0,0 +1,2 @@
+RAW_BYTE_STRING 6 "br##\" "
+> error[0; 6) token("br##\" ") msg(Missing trailing `"` with `#` symbols to terminate the raw byte string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0045_unclosed_raw_byte_string_with_slash.rs b/crates/ra_syntax/test_data/lexer/err/0045_unclosed_raw_byte_string_with_slash.rs
new file mode 100644
index 000000000..0b3c015d7
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0045_unclosed_raw_byte_string_with_slash.rs
@@ -0,0 +1 @@
+br##"\
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0045_unclosed_raw_byte_string_with_slash.txt b/crates/ra_syntax/test_data/lexer/err/0045_unclosed_raw_byte_string_with_slash.txt
new file mode 100644
index 000000000..debafe380
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0045_unclosed_raw_byte_string_with_slash.txt
@@ -0,0 +1,2 @@
+RAW_BYTE_STRING 6 "br##\"\\"
+> error[0; 6) token("br##\"\\") msg(Missing trailing `"` with `#` symbols to terminate the raw byte string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0046_unclosed_raw_byte_string_with_slash_n.rs b/crates/ra_syntax/test_data/lexer/err/0046_unclosed_raw_byte_string_with_slash_n.rs
new file mode 100644
index 000000000..0d8b0e7ab
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0046_unclosed_raw_byte_string_with_slash_n.rs
@@ -0,0 +1 @@
+br##"\n
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0046_unclosed_raw_byte_string_with_slash_n.txt b/crates/ra_syntax/test_data/lexer/err/0046_unclosed_raw_byte_string_with_slash_n.txt
new file mode 100644
index 000000000..524e617b7
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0046_unclosed_raw_byte_string_with_slash_n.txt
@@ -0,0 +1,2 @@
+RAW_BYTE_STRING 7 "br##\"\\n"
+> error[0; 7) token("br##\"\\n") msg(Missing trailing `"` with `#` symbols to terminate the raw byte string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0047_unstarted_raw_string_at_eof.rs b/crates/ra_syntax/test_data/lexer/err/0047_unstarted_raw_string_at_eof.rs
new file mode 100644
index 000000000..eddf8d080
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0047_unstarted_raw_string_at_eof.rs
@@ -0,0 +1 @@
+r##
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0047_unstarted_raw_string_at_eof.txt b/crates/ra_syntax/test_data/lexer/err/0047_unstarted_raw_string_at_eof.txt
new file mode 100644
index 000000000..00b046840
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0047_unstarted_raw_string_at_eof.txt
@@ -0,0 +1,2 @@
+RAW_STRING 3 "r##"
+> error[0; 3) token("r##") msg(Missing `"` symbol after `#` symbols to begin the raw string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0048_unstarted_raw_byte_string_at_eof.rs b/crates/ra_syntax/test_data/lexer/err/0048_unstarted_raw_byte_string_at_eof.rs
new file mode 100644
index 000000000..7e8cadf4f
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0048_unstarted_raw_byte_string_at_eof.rs
@@ -0,0 +1 @@
+br##
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0048_unstarted_raw_byte_string_at_eof.txt b/crates/ra_syntax/test_data/lexer/err/0048_unstarted_raw_byte_string_at_eof.txt
new file mode 100644
index 000000000..33b25e60f
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0048_unstarted_raw_byte_string_at_eof.txt
@@ -0,0 +1,2 @@
+RAW_BYTE_STRING 4 "br##"
+> error[0; 4) token("br##") msg(Missing `"` symbol after `#` symbols to begin the raw byte string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0049_unstarted_raw_string_with_ascii.rs b/crates/ra_syntax/test_data/lexer/err/0049_unstarted_raw_string_with_ascii.rs
new file mode 100644
index 000000000..534668a9b
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0049_unstarted_raw_string_with_ascii.rs
@@ -0,0 +1 @@
+r## I lack a quote!
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0049_unstarted_raw_string_with_ascii.txt b/crates/ra_syntax/test_data/lexer/err/0049_unstarted_raw_string_with_ascii.txt
new file mode 100644
index 000000000..782dfd974
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0049_unstarted_raw_string_with_ascii.txt
@@ -0,0 +1,10 @@
+RAW_STRING 4 "r## "
+IDENT 1 "I"
+WHITESPACE 1 " "
+IDENT 4 "lack"
+WHITESPACE 1 " "
+IDENT 1 "a"
+WHITESPACE 1 " "
+IDENT 5 "quote"
+EXCL 1 "!"
+> error[0; 4) token("r## ") msg(Missing `"` symbol after `#` symbols to begin the raw string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0050_unstarted_raw_byte_string_with_ascii.rs b/crates/ra_syntax/test_data/lexer/err/0050_unstarted_raw_byte_string_with_ascii.rs
new file mode 100644
index 000000000..d9b55455a
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0050_unstarted_raw_byte_string_with_ascii.rs
@@ -0,0 +1 @@
+br## I lack a quote!
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0050_unstarted_raw_byte_string_with_ascii.txt b/crates/ra_syntax/test_data/lexer/err/0050_unstarted_raw_byte_string_with_ascii.txt
new file mode 100644
index 000000000..59c40cd65
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0050_unstarted_raw_byte_string_with_ascii.txt
@@ -0,0 +1,10 @@
+RAW_BYTE_STRING 5 "br## "
+IDENT 1 "I"
+WHITESPACE 1 " "
+IDENT 4 "lack"
+WHITESPACE 1 " "
+IDENT 1 "a"
+WHITESPACE 1 " "
+IDENT 5 "quote"
+EXCL 1 "!"
+> error[0; 5) token("br## ") msg(Missing `"` symbol after `#` symbols to begin the raw byte string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0051_unclosed_block_comment_at_eof.rs b/crates/ra_syntax/test_data/lexer/err/0051_unclosed_block_comment_at_eof.rs
new file mode 100644
index 000000000..22e83649f
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0051_unclosed_block_comment_at_eof.rs
@@ -0,0 +1 @@
+/*
+\ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0051_unclosed_block_comment_at_eof.txt b/crates/ra_syntax/test_data/lexer/err/0051_unclosed_block_comment_at_eof.txt
new file mode 100644
index 000000000..5d04cdaa4
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0051_unclosed_block_comment_at_eof.txt
@@ -0,0 +1,2 @@
+COMMENT 2 "/*"
+> error[0; 2) token("/*") msg(Missing trailing `*/` symbols to terminate the block comment)
diff --git a/crates/ra_syntax/test_data/lexer/err/0052_unclosed_block_comment_with_content.rs b/crates/ra_syntax/test_data/lexer/err/0052_unclosed_block_comment_with_content.rs
new file mode 100644
index 000000000..c45c2844d
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0052_unclosed_block_comment_with_content.rs
@@ -0,0 +1 @@
+/* comment
diff --git a/crates/ra_syntax/test_data/lexer/err/0052_unclosed_block_comment_with_content.txt b/crates/ra_syntax/test_data/lexer/err/0052_unclosed_block_comment_with_content.txt
new file mode 100644
index 000000000..8c6b678e3
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0052_unclosed_block_comment_with_content.txt
@@ -0,0 +1,2 @@
+COMMENT 11 "/* comment\n"
+> error[0; 11) token("/* comment\n") msg(Missing trailing `*/` symbols to terminate the block comment)
diff --git a/crates/ra_syntax/test_data/lexer/err/0053_unclosed_nested_block_comment_entirely.rs b/crates/ra_syntax/test_data/lexer/err/0053_unclosed_nested_block_comment_entirely.rs
new file mode 100644
index 000000000..3fcfc9660
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0053_unclosed_nested_block_comment_entirely.rs
@@ -0,0 +1 @@
+/* /* /*
diff --git a/crates/ra_syntax/test_data/lexer/err/0053_unclosed_nested_block_comment_entirely.txt b/crates/ra_syntax/test_data/lexer/err/0053_unclosed_nested_block_comment_entirely.txt
new file mode 100644
index 000000000..250de34d9
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0053_unclosed_nested_block_comment_entirely.txt
@@ -0,0 +1,2 @@
+COMMENT 9 "/* /* /*\n"
+> error[0; 9) token("/* /* /*\n") msg(Missing trailing `*/` symbols to terminate the block comment)
diff --git a/crates/ra_syntax/test_data/lexer/err/0054_unclosed_nested_block_comment_partially.rs b/crates/ra_syntax/test_data/lexer/err/0054_unclosed_nested_block_comment_partially.rs
new file mode 100644
index 000000000..26c898f01
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0054_unclosed_nested_block_comment_partially.rs
@@ -0,0 +1 @@
+/** /*! /* comment */ */
diff --git a/crates/ra_syntax/test_data/lexer/err/0054_unclosed_nested_block_comment_partially.txt b/crates/ra_syntax/test_data/lexer/err/0054_unclosed_nested_block_comment_partially.txt
new file mode 100644
index 000000000..f97f2a8c7
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0054_unclosed_nested_block_comment_partially.txt
@@ -0,0 +1,2 @@
+COMMENT 25 "/** /*! /* comment */ */\n"
+> error[0; 25) token("/** /*! /* comment */ */\n") msg(Missing trailing `*/` symbols to terminate the block comment)
diff --git a/crates/ra_syntax/test_data/lexer/err/0055_empty_int.rs b/crates/ra_syntax/test_data/lexer/err/0055_empty_int.rs
new file mode 100644
index 000000000..aa2a9fdca
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0055_empty_int.rs
@@ -0,0 +1,17 @@
+0b
+0o
+0x
+0b_
+0o_
+0x_
+0bnoDigit
+0onoDigit
+0xnoDigit
+0xG
+0xg
+0x_g
+0x_G
diff --git a/crates/ra_syntax/test_data/lexer/err/0055_empty_int.txt b/crates/ra_syntax/test_data/lexer/err/0055_empty_int.txt
new file mode 100644
index 000000000..2fe5bd950
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0055_empty_int.txt
@@ -0,0 +1,39 @@
+INT_NUMBER 2 "0b"
+WHITESPACE 1 "\n"
+INT_NUMBER 2 "0o"
+WHITESPACE 1 "\n"
+INT_NUMBER 2 "0x"
+WHITESPACE 2 "\n\n"
+INT_NUMBER 3 "0b_"
+WHITESPACE 1 "\n"
+INT_NUMBER 3 "0o_"
+WHITESPACE 1 "\n"
+INT_NUMBER 3 "0x_"
+WHITESPACE 2 "\n\n"
+INT_NUMBER 9 "0bnoDigit"
+WHITESPACE 1 "\n"
+INT_NUMBER 9 "0onoDigit"
+WHITESPACE 1 "\n"
+INT_NUMBER 9 "0xnoDigit"
+WHITESPACE 2 "\n\n"
+INT_NUMBER 3 "0xG"
+WHITESPACE 1 "\n"
+INT_NUMBER 3 "0xg"
+WHITESPACE 2 "\n\n"
+INT_NUMBER 4 "0x_g"
+WHITESPACE 1 "\n"
+INT_NUMBER 4 "0x_G"
+WHITESPACE 1 "\n"
+> error[0; 2) token("0b") msg(Missing digits after the integer base prefix)
+> error[3; 5) token("0o") msg(Missing digits after the integer base prefix)
+> error[6; 8) token("0x") msg(Missing digits after the integer base prefix)
+> error[10; 13) token("0b_") msg(Missing digits after the integer base prefix)
+> error[14; 17) token("0o_") msg(Missing digits after the integer base prefix)
+> error[18; 21) token("0x_") msg(Missing digits after the integer base prefix)
+> error[23; 32) token("0bnoDigit") msg(Missing digits after the integer base prefix)
+> error[33; 42) token("0onoDigit") msg(Missing digits after the integer base prefix)
+> error[43; 52) token("0xnoDigit") msg(Missing digits after the integer base prefix)
+> error[54; 57) token("0xG") msg(Missing digits after the integer base prefix)
+> error[58; 61) token("0xg") msg(Missing digits after the integer base prefix)
+> error[63; 67) token("0x_g") msg(Missing digits after the integer base prefix)
+> error[68; 72) token("0x_G") msg(Missing digits after the integer base prefix)
diff --git a/crates/ra_syntax/test_data/lexer/err/0056_empty_exponent.rs b/crates/ra_syntax/test_data/lexer/err/0056_empty_exponent.rs
new file mode 100644
index 000000000..286584c88
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0056_empty_exponent.rs
@@ -0,0 +1,22 @@
+0e
+0E
+42e+
+42e-
+42E+
+42E-
+42.e+
+42.e-
+42.E+
+42.E-
+42.2e+
+42.2e-
+42.2E+
+42.2E-
+42.2e+f32
+42.2e-f32
+42.2E+f32
+42.2E-f32
diff --git a/crates/ra_syntax/test_data/lexer/err/0056_empty_exponent.txt b/crates/ra_syntax/test_data/lexer/err/0056_empty_exponent.txt
new file mode 100644
index 000000000..ab35e20a5
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0056_empty_exponent.txt
@@ -0,0 +1,62 @@
+FLOAT_NUMBER 2 "0e"
+WHITESPACE 1 "\n"
+FLOAT_NUMBER 2 "0E"
+WHITESPACE 2 "\n\n"
+FLOAT_NUMBER 4 "42e+"
+WHITESPACE 1 "\n"
+FLOAT_NUMBER 4 "42e-"
+WHITESPACE 1 "\n"
+FLOAT_NUMBER 4 "42E+"
+WHITESPACE 1 "\n"
+FLOAT_NUMBER 4 "42E-"
+WHITESPACE 2 "\n\n"
+INT_NUMBER 2 "42"
+DOT 1 "."
+IDENT 1 "e"
+PLUS 1 "+"
+WHITESPACE 1 "\n"
+INT_NUMBER 2 "42"
+DOT 1 "."
+IDENT 1 "e"
+MINUS 1 "-"
+WHITESPACE 1 "\n"
+INT_NUMBER 2 "42"
+DOT 1 "."
+IDENT 1 "E"
+PLUS 1 "+"
+WHITESPACE 1 "\n"
+INT_NUMBER 2 "42"
+DOT 1 "."
+IDENT 1 "E"
+MINUS 1 "-"
+WHITESPACE 2 "\n\n"
+FLOAT_NUMBER 6 "42.2e+"
+WHITESPACE 1 "\n"
+FLOAT_NUMBER 6 "42.2e-"
+WHITESPACE 1 "\n"
+FLOAT_NUMBER 6 "42.2E+"
+WHITESPACE 1 "\n"
+FLOAT_NUMBER 6 "42.2E-"
+WHITESPACE 2 "\n\n"
+FLOAT_NUMBER 9 "42.2e+f32"
+WHITESPACE 1 "\n"
+FLOAT_NUMBER 9 "42.2e-f32"
+WHITESPACE 1 "\n"
+FLOAT_NUMBER 9 "42.2E+f32"
+WHITESPACE 1 "\n"
+FLOAT_NUMBER 9 "42.2E-f32"
+WHITESPACE 1 "\n"
+> error[0; 2) token("0e") msg(Missing digits after the exponent symbol)
+> error[3; 5) token("0E") msg(Missing digits after the exponent symbol)
+> error[7; 11) token("42e+") msg(Missing digits after the exponent symbol)
+> error[12; 16) token("42e-") msg(Missing digits after the exponent symbol)
+> error[17; 21) token("42E+") msg(Missing digits after the exponent symbol)
+> error[22; 26) token("42E-") msg(Missing digits after the exponent symbol)
+> error[53; 59) token("42.2e+") msg(Missing digits after the exponent symbol)
+> error[60; 66) token("42.2e-") msg(Missing digits after the exponent symbol)
+> error[67; 73) token("42.2E+") msg(Missing digits after the exponent symbol)
+> error[74; 80) token("42.2E-") msg(Missing digits after the exponent symbol)
+> error[82; 91) token("42.2e+f32") msg(Missing digits after the exponent symbol)
+> error[92; 101) token("42.2e-f32") msg(Missing digits after the exponent symbol)
+> error[102; 111) token("42.2E+f32") msg(Missing digits after the exponent symbol)
+> error[112; 121) token("42.2E-f32") msg(Missing digits after the exponent symbol)
diff --git a/crates/ra_syntax/test_data/lexer/err/0057_lifetime_strarts_with_a_number.rs b/crates/ra_syntax/test_data/lexer/err/0057_lifetime_strarts_with_a_number.rs
new file mode 100644
index 000000000..a7698a404
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0057_lifetime_strarts_with_a_number.rs
@@ -0,0 +1,2 @@
+'1
+'1lifetime
diff --git a/crates/ra_syntax/test_data/lexer/err/0057_lifetime_strarts_with_a_number.txt b/crates/ra_syntax/test_data/lexer/err/0057_lifetime_strarts_with_a_number.txt
new file mode 100644
index 000000000..89b38bfac
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0057_lifetime_strarts_with_a_number.txt
@@ -0,0 +1,6 @@
+LIFETIME 2 "\'1"
+WHITESPACE 1 "\n"
+LIFETIME 10 "\'1lifetime"
+WHITESPACE 1 "\n"
+> error[0; 2) token("\'1") msg(Lifetime name cannot start with a number)
+> error[3; 13) token("\'1lifetime") msg(Lifetime name cannot start with a number)
diff --git a/crates/ra_syntax/test_data/lexer/0001_hello.rs b/crates/ra_syntax/test_data/lexer/ok/0001_hello.rs
index 95d09f2b1..95d09f2b1 100644
--- a/crates/ra_syntax/test_data/lexer/0001_hello.rs
+++ b/crates/ra_syntax/test_data/lexer/ok/0001_hello.rs
diff --git a/crates/ra_syntax/test_data/lexer/0001_hello.txt b/crates/ra_syntax/test_data/lexer/ok/0001_hello.txt
index 27a5940a9..27a5940a9 100644
--- a/crates/ra_syntax/test_data/lexer/0001_hello.txt
+++ b/crates/ra_syntax/test_data/lexer/ok/0001_hello.txt
diff --git a/crates/ra_syntax/test_data/lexer/0002_whitespace.rs b/crates/ra_syntax/test_data/lexer/ok/0002_whitespace.rs
index 08fce1418..08fce1418 100644
--- a/crates/ra_syntax/test_data/lexer/0002_whitespace.rs
+++ b/crates/ra_syntax/test_data/lexer/ok/0002_whitespace.rs
diff --git a/crates/ra_syntax/test_data/lexer/0002_whitespace.txt b/crates/ra_syntax/test_data/lexer/ok/0002_whitespace.txt
index 01d260918..01d260918 100644
--- a/crates/ra_syntax/test_data/lexer/0002_whitespace.txt
+++ b/crates/ra_syntax/test_data/lexer/ok/0002_whitespace.txt
diff --git a/crates/ra_syntax/test_data/lexer/0003_ident.rs b/crates/ra_syntax/test_data/lexer/ok/0003_ident.rs
index c05c9c009..c05c9c009 100644
--- a/crates/ra_syntax/test_data/lexer/0003_ident.rs
+++ b/crates/ra_syntax/test_data/lexer/ok/0003_ident.rs
diff --git a/crates/ra_syntax/test_data/lexer/0003_ident.txt b/crates/ra_syntax/test_data/lexer/ok/0003_ident.txt
index 4a0d5c053..4a0d5c053 100644
--- a/crates/ra_syntax/test_data/lexer/0003_ident.txt
+++ b/crates/ra_syntax/test_data/lexer/ok/0003_ident.txt
diff --git a/crates/ra_syntax/test_data/lexer/0004_numbers.rs b/crates/ra_syntax/test_data/lexer/ok/0004_numbers.rs
index dc974b553..bc761c235 100644
--- a/crates/ra_syntax/test_data/lexer/0004_numbers.rs
+++ b/crates/ra_syntax/test_data/lexer/ok/0004_numbers.rs
@@ -1,4 +1,4 @@
-0 0b 0o 0x 00 0_ 0. 0e 0E 0z
+0 00 0_ 0. 0z
 01790 0b1790 0o1790 0x1790aAbBcCdDeEfF 001279 0_1279 0.1279 0e1279 0E1279
 0..2
 0.foo()
@@ -6,4 +6,4 @@
 0.e+1
 0.0E-2
 0___0.10000____0000e+111__
-1i64 92.0f32 11__s
-\ No newline at end of file
+1i64 92.0f32 11__s
diff --git a/crates/ra_syntax/test_data/lexer/0004_numbers.txt b/crates/ra_syntax/test_data/lexer/ok/0004_numbers.txt
index 7bb89b8ae..e19fc5789 100644
--- a/crates/ra_syntax/test_data/lexer/0004_numbers.txt
+++ b/crates/ra_syntax/test_data/lexer/ok/0004_numbers.txt
@@ -1,21 +1,11 @@
 INT_NUMBER 1 "0"
 WHITESPACE 1 " "
-INT_NUMBER 2 "0b"
-WHITESPACE 1 " "
-INT_NUMBER 2 "0o"
-WHITESPACE 1 " "
-INT_NUMBER 2 "0x"
-WHITESPACE 1 " "
 INT_NUMBER 2 "00"
 WHITESPACE 1 " "
 INT_NUMBER 2 "0_"
 WHITESPACE 1 " "
 FLOAT_NUMBER 2 "0."
 WHITESPACE 1 " "
-FLOAT_NUMBER 2 "0e"
-WHITESPACE 1 " "
-FLOAT_NUMBER 2 "0E"
-WHITESPACE 1 " "
 INT_NUMBER 2 "0z"
 WHITESPACE 1 "\n"
 INT_NUMBER 5 "01790"
@@ -64,3 +54,4 @@ WHITESPACE 1 " "
 FLOAT_NUMBER 7 "92.0f32"
 WHITESPACE 1 " "
 INT_NUMBER 5 "11__s"
+WHITESPACE 1 "\n"
diff --git a/crates/ra_syntax/test_data/lexer/0005_symbols.rs b/crates/ra_syntax/test_data/lexer/ok/0005_symbols.rs
index 487569b5a..487569b5a 100644
--- a/crates/ra_syntax/test_data/lexer/0005_symbols.rs
+++ b/crates/ra_syntax/test_data/lexer/ok/0005_symbols.rs
diff --git a/crates/ra_syntax/test_data/lexer/0005_symbols.txt b/crates/ra_syntax/test_data/lexer/ok/0005_symbols.txt
index 469a90e42..469a90e42 100644
--- a/crates/ra_syntax/test_data/lexer/0005_symbols.txt
+++ b/crates/ra_syntax/test_data/lexer/ok/0005_symbols.txt
diff --git a/crates/ra_syntax/test_data/lexer/0006_chars.rs b/crates/ra_syntax/test_data/lexer/ok/0006_chars.rs
index 454ee0a5f..454ee0a5f 100644
--- a/crates/ra_syntax/test_data/lexer/0006_chars.rs
+++ b/crates/ra_syntax/test_data/lexer/ok/0006_chars.rs
diff --git a/crates/ra_syntax/test_data/lexer/0006_chars.txt b/crates/ra_syntax/test_data/lexer/ok/0006_chars.txt
index 950954fbc..950954fbc 100644
--- a/crates/ra_syntax/test_data/lexer/0006_chars.txt
+++ b/crates/ra_syntax/test_data/lexer/ok/0006_chars.txt
diff --git a/crates/ra_syntax/test_data/lexer/0007_lifetimes.rs b/crates/ra_syntax/test_data/lexer/ok/0007_lifetimes.rs
index b764f1dce..b764f1dce 100644
--- a/crates/ra_syntax/test_data/lexer/0007_lifetimes.rs
+++ b/crates/ra_syntax/test_data/lexer/ok/0007_lifetimes.rs
diff --git a/crates/ra_syntax/test_data/lexer/0007_lifetimes.txt b/crates/ra_syntax/test_data/lexer/ok/0007_lifetimes.txt
index 005c29100..005c29100 100644
--- a/crates/ra_syntax/test_data/lexer/0007_lifetimes.txt
+++ b/crates/ra_syntax/test_data/lexer/ok/0007_lifetimes.txt
diff --git a/crates/ra_syntax/test_data/lexer/0008_byte_strings.rs b/crates/ra_syntax/test_data/lexer/ok/0008_byte_strings.rs
index b54930f5e..b54930f5e 100644
--- a/crates/ra_syntax/test_data/lexer/0008_byte_strings.rs
+++ b/crates/ra_syntax/test_data/lexer/ok/0008_byte_strings.rs
diff --git a/crates/ra_syntax/test_data/lexer/0008_byte_strings.txt b/crates/ra_syntax/test_data/lexer/ok/0008_byte_strings.txt
index bc03b51a8..bc03b51a8 100644
--- a/crates/ra_syntax/test_data/lexer/0008_byte_strings.txt
+++ b/crates/ra_syntax/test_data/lexer/ok/0008_byte_strings.txt
diff --git a/crates/ra_syntax/test_data/lexer/0009_strings.rs b/crates/ra_syntax/test_data/lexer/ok/0009_strings.rs
index 4ddb5bffc..4ddb5bffc 100644
--- a/crates/ra_syntax/test_data/lexer/0009_strings.rs
+++ b/crates/ra_syntax/test_data/lexer/ok/0009_strings.rs
diff --git a/crates/ra_syntax/test_data/lexer/0009_strings.txt b/crates/ra_syntax/test_data/lexer/ok/0009_strings.txt
index 4cb4d711d..4cb4d711d 100644
--- a/crates/ra_syntax/test_data/lexer/0009_strings.txt
+++ b/crates/ra_syntax/test_data/lexer/ok/0009_strings.txt
diff --git a/crates/ra_syntax/test_data/lexer/ok/0010_single_line_comments.rs b/crates/ra_syntax/test_data/lexer/ok/0010_single_line_comments.rs
new file mode 100644
index 000000000..4b6653f9c
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/ok/0010_single_line_comments.rs
@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+// hello
+//! World
+//!! Inner line doc
+/// Outer line doc
+//// Just a comment
+//
+//!
+//!!
+///
+////
diff --git a/crates/ra_syntax/test_data/lexer/ok/0010_single_line_comments.txt b/crates/ra_syntax/test_data/lexer/ok/0010_single_line_comments.txt
new file mode 100644
index 000000000..98a3818c0
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/ok/0010_single_line_comments.txt
@@ -0,0 +1,22 @@
+SHEBANG 19 "#!/usr/bin/env bash"
+WHITESPACE 1 "\n"
+COMMENT 8 "// hello"
+WHITESPACE 1 "\n"
+COMMENT 9 "//! World"
+WHITESPACE 1 "\n"
+COMMENT 19 "//!! Inner line doc"
+WHITESPACE 1 "\n"
+COMMENT 18 "/// Outer line doc"
+WHITESPACE 1 "\n"
+COMMENT 19 "//// Just a comment"
+WHITESPACE 2 "\n\n"
+COMMENT 2 "//"
+WHITESPACE 1 "\n"
+COMMENT 3 "//!"
+WHITESPACE 1 "\n"
+COMMENT 4 "//!!"
+WHITESPACE 1 "\n"
+COMMENT 3 "///"
+WHITESPACE 1 "\n"
+COMMENT 4 "////"
+WHITESPACE 1 "\n"
diff --git a/crates/ra_syntax/test_data/lexer/0011_keywords.rs b/crates/ra_syntax/test_data/lexer/ok/0011_keywords.rs
index 1e91bff4e..1e91bff4e 100644
--- a/crates/ra_syntax/test_data/lexer/0011_keywords.rs
+++ b/crates/ra_syntax/test_data/lexer/ok/0011_keywords.rs
diff --git a/crates/ra_syntax/test_data/lexer/0011_keywords.txt b/crates/ra_syntax/test_data/lexer/ok/0011_keywords.txt
index 22c00eefb..22c00eefb 100644
--- a/crates/ra_syntax/test_data/lexer/0011_keywords.txt
+++ b/crates/ra_syntax/test_data/lexer/ok/0011_keywords.txt
diff --git a/crates/ra_syntax/test_data/lexer/00012_block_comment.rs b/crates/ra_syntax/test_data/lexer/ok/0012_block_comment.rs
index 708aac197..b880a59d9 100644
--- a/crates/ra_syntax/test_data/lexer/00012_block_comment.rs
+++ b/crates/ra_syntax/test_data/lexer/ok/0012_block_comment.rs
@@ -1,4 +1,3 @@
 /* */
 /**/
 /* /* */ */
-/*
diff --git a/crates/ra_syntax/test_data/lexer/00012_block_comment.txt b/crates/ra_syntax/test_data/lexer/ok/0012_block_comment.txt
index 9958b2518..2618e287e 100644
--- a/crates/ra_syntax/test_data/lexer/00012_block_comment.txt
+++ b/crates/ra_syntax/test_data/lexer/ok/0012_block_comment.txt
@@ -4,4 +4,3 @@ COMMENT 4 "/**/"
 WHITESPACE 1 "\n"
 COMMENT 11 "/* /* */ */"
 WHITESPACE 1 "\n"
-COMMENT 3 "/*\n"
diff --git a/crates/ra_syntax/test_data/lexer/0013_raw_strings.rs b/crates/ra_syntax/test_data/lexer/ok/0013_raw_strings.rs
index e5ed0b693..e5ed0b693 100644
--- a/crates/ra_syntax/test_data/lexer/0013_raw_strings.rs
+++ b/crates/ra_syntax/test_data/lexer/ok/0013_raw_strings.rs
diff --git a/crates/ra_syntax/test_data/lexer/0013_raw_strings.txt b/crates/ra_syntax/test_data/lexer/ok/0013_raw_strings.txt
index 9cf0957d1..9cf0957d1 100644
--- a/crates/ra_syntax/test_data/lexer/0013_raw_strings.txt
+++ b/crates/ra_syntax/test_data/lexer/ok/0013_raw_strings.txt
diff --git a/crates/ra_syntax/test_data/lexer/0016_raw_ident.rs b/crates/ra_syntax/test_data/lexer/ok/0014_raw_ident.rs
index b40a1b6a2..b40a1b6a2 100644
--- a/crates/ra_syntax/test_data/lexer/0016_raw_ident.rs
+++ b/crates/ra_syntax/test_data/lexer/ok/0014_raw_ident.rs
diff --git a/crates/ra_syntax/test_data/lexer/0016_raw_ident.txt b/crates/ra_syntax/test_data/lexer/ok/0014_raw_ident.txt
index 484689693..484689693 100644
--- a/crates/ra_syntax/test_data/lexer/0016_raw_ident.txt
+++ b/crates/ra_syntax/test_data/lexer/ok/0014_raw_ident.txt
diff --git a/crates/ra_syntax/test_data/parser/inline/err/0010_wrong_order_fns.rs b/crates/ra_syntax/test_data/parser/inline/err/0010_wrong_order_fns.rs
index 16edee95d..731e58013 100644
--- a/crates/ra_syntax/test_data/parser/inline/err/0010_wrong_order_fns.rs
+++ b/crates/ra_syntax/test_data/parser/inline/err/0010_wrong_order_fns.rs
@@ -1,2 +1,2 @@
-async unsafe fn foo() {}
+unsafe async fn foo() {}
 unsafe const fn bar() {}
diff --git a/crates/ra_syntax/test_data/parser/inline/err/0010_wrong_order_fns.txt b/crates/ra_syntax/test_data/parser/inline/err/0010_wrong_order_fns.txt
index 2ea6a566d..289193b9e 100644
--- a/crates/ra_syntax/test_data/parser/inline/err/0010_wrong_order_fns.txt
+++ b/crates/ra_syntax/test_data/parser/inline/err/0010_wrong_order_fns.txt
@@ -1,9 +1,9 @@
 SOURCE_FILE@[0; 50)
-  ERROR@[0; 5)
+  ERROR@[0; 6)
-    ASYNC_KW@[0; 5) "async"
+    UNSAFE_KW@[0; 6) "unsafe"
-  WHITESPACE@[5; 6) " "
+  WHITESPACE@[6; 7) " "
-  FN_DEF@[6; 24)
+  FN_DEF@[7; 24)
-    UNSAFE_KW@[6; 12) "unsafe"
+    ASYNC_KW@[7; 12) "async"
    WHITESPACE@[12; 13) " "
    FN_KW@[13; 15) "fn"
    WHITESPACE@[15; 16) " "
@@ -37,5 +37,5 @@ SOURCE_FILE@[0; 50)
        L_CURLY@[47; 48) "{"
        R_CURLY@[48; 49) "}"
  WHITESPACE@[49; 50) "\n"
-error 5: expected existential, fn, trait or impl
+error 6: expected existential, fn, trait or impl
 error 31: expected existential, fn, trait or impl
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0004_value_parameters_no_patterns.rs b/crates/ra_syntax/test_data/parser/inline/ok/0004_value_parameters_no_patterns.rs
index d8c23c76a..93636e926 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0004_value_parameters_no_patterns.rs
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0004_value_parameters_no_patterns.rs
@@ -1 +1 @@
-type F = Box<Fn(a: i32, &b: &i32, &mut c: &i32, ())>;
+type F = Box<Fn(i32, &i32, &i32, ())>;
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0004_value_parameters_no_patterns.txt b/crates/ra_syntax/test_data/parser/inline/ok/0004_value_parameters_no_patterns.txt
index 8cfba8420..9241f6fb2 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0004_value_parameters_no_patterns.txt
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0004_value_parameters_no_patterns.txt
@@ -1,5 +1,5 @@
-SOURCE_FILE@[0; 54)
+SOURCE_FILE@[0; 39)
-  TYPE_ALIAS_DEF@[0; 53)
+  TYPE_ALIAS_DEF@[0; 38)
    TYPE_KW@[0; 4) "type"
    WHITESPACE@[4; 5) " "
    NAME@[5; 6)
@@ -7,75 +7,54 @@ SOURCE_FILE@[0; 54)
    WHITESPACE@[6; 7) " "
    EQ@[7; 8) "="
    WHITESPACE@[8; 9) " "
-    PATH_TYPE@[9; 52)
+    PATH_TYPE@[9; 37)
-      PATH@[9; 52)
+      PATH@[9; 37)
-        PATH_SEGMENT@[9; 52)
+        PATH_SEGMENT@[9; 37)
          NAME_REF@[9; 12)
            IDENT@[9; 12) "Box"
-          TYPE_ARG_LIST@[12; 52)
+          TYPE_ARG_LIST@[12; 37)
            L_ANGLE@[12; 13) "<"
-            TYPE_ARG@[13; 51)
+            TYPE_ARG@[13; 36)
-              PATH_TYPE@[13; 51)
+              PATH_TYPE@[13; 36)
-                PATH@[13; 51)
+                PATH@[13; 36)
-                  PATH_SEGMENT@[13; 51)
+                  PATH_SEGMENT@[13; 36)
                    NAME_REF@[13; 15)
                      IDENT@[13; 15) "Fn"
-                    PARAM_LIST@[15; 51)
+                    PARAM_LIST@[15; 36)
                      L_PAREN@[15; 16) "("
-                      PARAM@[16; 22)
+                      PARAM@[16; 19)
-                        BIND_PAT@[16; 17)
+                        PATH_TYPE@[16; 19)
-                          NAME@[16; 17)
+                          PATH@[16; 19)
-                            IDENT@[16; 17) "a"
+                            PATH_SEGMENT@[16; 19)
-                        COLON@[17; 18) ":"
+                              NAME_REF@[16; 19)
-                        WHITESPACE@[18; 19) " "
+                                IDENT@[16; 19) "i32"
-                        PATH_TYPE@[19; 22)
+                      COMMA@[19; 20) ","
-                          PATH@[19; 22)
+                      WHITESPACE@[20; 21) " "
-                            PATH_SEGMENT@[19; 22)
+                      PARAM@[21; 25)
-                              NAME_REF@[19; 22)
+                        REFERENCE_TYPE@[21; 25)
-                                IDENT@[19; 22) "i32"
+                          AMP@[21; 22) "&"
-                      COMMA@[22; 23) ","
+                          PATH_TYPE@[22; 25)
-                      WHITESPACE@[23; 24) " "
+                            PATH@[22; 25)
-                      PARAM@[24; 32)
+                              PATH_SEGMENT@[22; 25)
-                        REF_PAT@[24; 26)
+                                NAME_REF@[22; 25)
-                          AMP@[24; 25) "&"
+                                  IDENT@[22; 25) "i32"
-                          BIND_PAT@[25; 26)
+                      COMMA@[25; 26) ","
-                            NAME@[25; 26)
+                      WHITESPACE@[26; 27) " "
-                              IDENT@[25; 26) "b"
+                      PARAM@[27; 31)
-                        COLON@[26; 27) ":"
+                        REFERENCE_TYPE@[27; 31)
-                        WHITESPACE@[27; 28) " "
+                          AMP@[27; 28) "&"
-                        REFERENCE_TYPE@[28; 32)
+                          PATH_TYPE@[28; 31)
-                          AMP@[28; 29) "&"
+                            PATH@[28; 31)
-                          PATH_TYPE@[29; 32)
+                              PATH_SEGMENT@[28; 31)
-                            PATH@[29; 32)
+                                NAME_REF@[28; 31)
-                              PATH_SEGMENT@[29; 32)
+                                  IDENT@[28; 31) "i32"
-                                NAME_REF@[29; 32)
+                      COMMA@[31; 32) ","
-                                  IDENT@[29; 32) "i32"
+                      WHITESPACE@[32; 33) " "
-                      COMMA@[32; 33) ","
+                      PARAM@[33; 35)
-                      WHITESPACE@[33; 34) " "
+                        TUPLE_TYPE@[33; 35)
-                      PARAM@[34; 46)
+                          L_PAREN@[33; 34) "("
-                        REF_PAT@[34; 40)
+                          R_PAREN@[34; 35) ")"
-                          AMP@[34; 35) "&"
+                      R_PAREN@[35; 36) ")"
-                          MUT_KW@[35; 38) "mut"
+            R_ANGLE@[36; 37) ">"
-                          WHITESPACE@[38; 39) " "
+    SEMI@[37; 38) ";"
-                          BIND_PAT@[39; 40)
+  WHITESPACE@[38; 39) "\n"
-                            NAME@[39; 40)
-                              IDENT@[39; 40) "c"
-                        COLON@[40; 41) ":"
-                        WHITESPACE@[41; 42) " "
-                        REFERENCE_TYPE@[42; 46)
-                          AMP@[42; 43) "&"
-                          PATH_TYPE@[43; 46)
-                            PATH@[43; 46)
-                              PATH_SEGMENT@[43; 46)
-                                NAME_REF@[43; 46)
-                                  IDENT@[43; 46) "i32"
-                      COMMA@[46; 47) ","
-                      WHITESPACE@[47; 48) " "
-                      PARAM@[48; 50)
-                        TUPLE_TYPE@[48; 50)
-                          L_PAREN@[48; 49) "("
-                          R_PAREN@[49; 50) ")"
-                      R_PAREN@[50; 51) ")"
-            R_ANGLE@[51; 52) ">"
-    SEMI@[52; 53) ";"
-  WHITESPACE@[53; 54) "\n"
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0104_path_fn_trait_args.rs b/crates/ra_syntax/test_data/parser/inline/ok/0104_path_fn_trait_args.rs
index aef45e561..17ed20e5b 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0104_path_fn_trait_args.rs
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0104_path_fn_trait_args.rs
@@ -1 +1 @@
-type F = Box<Fn(x: i32) -> ()>;
+type F = Box<Fn(i32) -> ()>;
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0104_path_fn_trait_args.txt b/crates/ra_syntax/test_data/parser/inline/ok/0104_path_fn_trait_args.txt
index d6f196811..a983d5954 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0104_path_fn_trait_args.txt
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0104_path_fn_trait_args.txt
@@ -1,5 +1,5 @@
-SOURCE_FILE@[0; 32)
+SOURCE_FILE@[0; 29)
-  TYPE_ALIAS_DEF@[0; 31)
+  TYPE_ALIAS_DEF@[0; 28)
    TYPE_KW@[0; 4) "type"
    WHITESPACE@[4; 5) " "
    NAME@[5; 6)
@@ -7,40 +7,35 @@ SOURCE_FILE@[0; 32)
    WHITESPACE@[6; 7) " "
    EQ@[7; 8) "="
    WHITESPACE@[8; 9) " "
-    PATH_TYPE@[9; 30)
+    PATH_TYPE@[9; 27)
-      PATH@[9; 30)
+      PATH@[9; 27)
-        PATH_SEGMENT@[9; 30)
+        PATH_SEGMENT@[9; 27)
          NAME_REF@[9; 12)
            IDENT@[9; 12) "Box"
-          TYPE_ARG_LIST@[12; 30)
+          TYPE_ARG_LIST@[12; 27)
            L_ANGLE@[12; 13) "<"
-            TYPE_ARG@[13; 29)
+            TYPE_ARG@[13; 26)
-              PATH_TYPE@[13; 29)
+              PATH_TYPE@[13; 26)
-                PATH@[13; 29)
+                PATH@[13; 26)
-                  PATH_SEGMENT@[13; 29)
+                  PATH_SEGMENT@[13; 26)
                    NAME_REF@[13; 15)
                      IDENT@[13; 15) "Fn"
-                    PARAM_LIST@[15; 23)
+                    PARAM_LIST@[15; 20)
                      L_PAREN@[15; 16) "("
-                      PARAM@[16; 22)
+                      PARAM@[16; 19)
-                        BIND_PAT@[16; 17)
+                        PATH_TYPE@[16; 19)
-                          NAME@[16; 17)
+                          PATH@[16; 19)
-                            IDENT@[16; 17) "x"
+                            PATH_SEGMENT@[16; 19)
-                        COLON@[17; 18) ":"
+                              NAME_REF@[16; 19)
-                        WHITESPACE@[18; 19) " "
+                                IDENT@[16; 19) "i32"
-                        PATH_TYPE@[19; 22)
+                      R_PAREN@[19; 20) ")"
-                          PATH@[19; 22)
+                    WHITESPACE@[20; 21) " "
-                            PATH_SEGMENT@[19; 22)
+                    RET_TYPE@[21; 26)
-                              NAME_REF@[19; 22)
+                      THIN_ARROW@[21; 23) "->"
-                                IDENT@[19; 22) "i32"
+                      WHITESPACE@[23; 24) " "
-                      R_PAREN@[22; 23) ")"
+                      TUPLE_TYPE@[24; 26)
-                    WHITESPACE@[23; 24) " "
+                        L_PAREN@[24; 25) "("
-                    RET_TYPE@[24; 29)
+                        R_PAREN@[25; 26) ")"
-                      THIN_ARROW@[24; 26) "->"
+            R_ANGLE@[26; 27) ">"
-                      WHITESPACE@[26; 27) " "
+    SEMI@[27; 28) ";"
-                      TUPLE_TYPE@[27; 29)
+  WHITESPACE@[28; 29) "\n"
-                        L_PAREN@[27; 28) "("
-                        R_PAREN@[28; 29) ")"
-            R_ANGLE@[29; 30) ">"
-    SEMI@[30; 31) ";"
-  WHITESPACE@[31; 32) "\n"
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0128_combined_fns.rs b/crates/ra_syntax/test_data/parser/inline/ok/0128_combined_fns.rs
index 46af91b82..126287145 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0128_combined_fns.rs
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0128_combined_fns.rs
@@ -1,2 +1,2 @@
-unsafe async fn foo() {}
+async unsafe fn foo() {}
 const unsafe fn bar() {}
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0128_combined_fns.txt b/crates/ra_syntax/test_data/parser/inline/ok/0128_combined_fns.txt
index cae75c41d..8a972cdb2 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0128_combined_fns.txt
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0128_combined_fns.txt
@@ -1,8 +1,8 @@
 SOURCE_FILE@[0; 50)
  FN_DEF@[0; 24)
-    UNSAFE_KW@[0; 6) "unsafe"
+    ASYNC_KW@[0; 5) "async"
-    WHITESPACE@[6; 7) " "
+    WHITESPACE@[5; 6) " "
-    ASYNC_KW@[7; 12) "async"
+    UNSAFE_KW@[6; 12) "unsafe"
    WHITESPACE@[12; 13) " "
    FN_KW@[13; 15) "fn"
    WHITESPACE@[15; 16) " "
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0152_fn_patterns.rs b/crates/ra_syntax/test_data/parser/inline/ok/0152_fn_patterns.rs
new file mode 100644
index 000000000..b49e872d7
--- /dev/null
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0152_fn_patterns.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/ra_syntax/test_data/parser/inline/ok/0152_fn_patterns.txt b/crates/ra_syntax/test_data/parser/inline/ok/0152_fn_patterns.txt
new file mode 100644
index 000000000..933f5b7bd
--- /dev/null
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0152_fn_patterns.txt
@@ -0,0 +1,164 @@
+SOURCE_FILE@[0; 137)
+  IMPL_BLOCK@[0; 136)
+    IMPL_KW@[0; 4) "impl"
+    WHITESPACE@[4; 5) " "
+    PATH_TYPE@[5; 6)
+      PATH@[5; 6)
+        PATH_SEGMENT@[5; 6)
+          NAME_REF@[5; 6)
+            IDENT@[5; 6) "U"
+    WHITESPACE@[6; 7) " "
+    ITEM_LIST@[7; 136)
+      L_CURLY@[7; 8) "{"
+      WHITESPACE@[8; 13) "\n    "
+      FN_DEF@[13; 45)
+        FN_KW@[13; 15) "fn"
+        WHITESPACE@[15; 16) " "
+        NAME@[16; 18)
+          IDENT@[16; 18) "f1"
+        PARAM_LIST@[18; 42)
+          L_PAREN@[18; 19) "("
+          PARAM@[19; 41)
+            TUPLE_PAT@[19; 25)
+              L_PAREN@[19; 20) "("
+              BIND_PAT@[20; 21)
+                NAME@[20; 21)
+                  IDENT@[20; 21) "a"
+              COMMA@[21; 22) ","
+              WHITESPACE@[22; 23) " "
+              BIND_PAT@[23; 24)
+                NAME@[23; 24)
+                  IDENT@[23; 24) "b"
+              R_PAREN@[24; 25) ")"
+            COLON@[25; 26) ":"
+            WHITESPACE@[26; 27) " "
+            TUPLE_TYPE@[27; 41)
+              L_PAREN@[27; 28) "("
+              PATH_TYPE@[28; 33)
+                PATH@[28; 33)
+                  PATH_SEGMENT@[28; 33)
+                    NAME_REF@[28; 33)
+                      IDENT@[28; 33) "usize"
+              COMMA@[33; 34) ","
+              WHITESPACE@[34; 35) " "
+              PATH_TYPE@[35; 40)
+                PATH@[35; 40)
+                  PATH_SEGMENT@[35; 40)
+                    NAME_REF@[35; 40)
+                      IDENT@[35; 40) "usize"
+              R_PAREN@[40; 41) ")"
+          R_PAREN@[41; 42) ")"
+        WHITESPACE@[42; 43) " "
+        BLOCK_EXPR@[43; 45)
+          BLOCK@[43; 45)
+            L_CURLY@[43; 44) "{"
+            R_CURLY@[44; 45) "}"
+      WHITESPACE@[45; 50) "\n    "
+      FN_DEF@[50; 73)
+        FN_KW@[50; 52) "fn"
+        WHITESPACE@[52; 53) " "
+        NAME@[53; 55)
+          IDENT@[53; 55) "f2"
+        PARAM_LIST@[55; 70)
+          L_PAREN@[55; 56) "("
+          PARAM@[56; 69)
+            RECORD_PAT@[56; 66)
+              PATH@[56; 57)
+                PATH_SEGMENT@[56; 57)
+                  NAME_REF@[56; 57)
+                    IDENT@[56; 57) "S"
+              WHITESPACE@[57; 58) " "
+              RECORD_FIELD_PAT_LIST@[58; 66)
+                L_CURLY@[58; 59) "{"
+                WHITESPACE@[59; 60) " "
+                BIND_PAT@[60; 61)
+                  NAME@[60; 61)
+                    IDENT@[60; 61) "a"
+                COMMA@[61; 62) ","
+                WHITESPACE@[62; 63) " "
+                BIND_PAT@[63; 64)
+                  NAME@[63; 64)
+                    IDENT@[63; 64) "b"
+                WHITESPACE@[64; 65) " "
+                R_CURLY@[65; 66) "}"
+            COLON@[66; 67) ":"
+            WHITESPACE@[67; 68) " "
+            PATH_TYPE@[68; 69)
+              PATH@[68; 69)
+                PATH_SEGMENT@[68; 69)
+                  NAME_REF@[68; 69)
+                    IDENT@[68; 69) "S"
+          R_PAREN@[69; 70) ")"
+        WHITESPACE@[70; 71) " "
+        BLOCK_EXPR@[71; 73)
+          BLOCK@[71; 73)
+            L_CURLY@[71; 72) "{"
+            R_CURLY@[72; 73) "}"
+      WHITESPACE@[73; 78) "\n    "
+      FN_DEF@[78; 107)
+        FN_KW@[78; 80) "fn"
+        WHITESPACE@[80; 81) " "
+        NAME@[81; 83)
+          IDENT@[81; 83) "f3"
+        PARAM_LIST@[83; 104)
+          L_PAREN@[83; 84) "("
+          PARAM@[84; 103)
+            TUPLE_STRUCT_PAT@[84; 94)
+              PATH@[84; 91)
+                PATH_SEGMENT@[84; 91)
+                  NAME_REF@[84; 91)
+                    IDENT@[84; 91) "NewType"
+              L_PAREN@[91; 92) "("
+              BIND_PAT@[92; 93)
+                NAME@[92; 93)
+                  IDENT@[92; 93) "a"
+              R_PAREN@[93; 94) ")"
+            COLON@[94; 95) ":"
+            WHITESPACE@[95; 96) " "
+            PATH_TYPE@[96; 103)
+              PATH@[96; 103)
+                PATH_SEGMENT@[96; 103)
+                  NAME_REF@[96; 103)
+                    IDENT@[96; 103) "NewType"
+          R_PAREN@[103; 104) ")"
+        WHITESPACE@[104; 105) " "
+        BLOCK_EXPR@[105; 107)
+          BLOCK@[105; 107)
+            L_CURLY@[105; 106) "{"
+            R_CURLY@[106; 107) "}"
+      WHITESPACE@[107; 112) "\n    "
+      FN_DEF@[112; 134)
+        FN_KW@[112; 114) "fn"
+        WHITESPACE@[114; 115) " "
+        NAME@[115; 117)
+          IDENT@[115; 117) "f4"
+        PARAM_LIST@[117; 131)
+          L_PAREN@[117; 118) "("
+          PARAM@[118; 130)
+            REF_PAT@[118; 121)
+              AMP@[118; 119) "&"
+              REF_PAT@[119; 121)
+                AMP@[119; 120) "&"
+                BIND_PAT@[120; 121)
+                  NAME@[120; 121)
+                    IDENT@[120; 121) "a"
+            COLON@[121; 122) ":"
+            WHITESPACE@[122; 123) " "
+            REFERENCE_TYPE@[123; 130)
+              AMP@[123; 124) "&"
+              REFERENCE_TYPE@[124; 130)
+                AMP@[124; 125) "&"
+                PATH_TYPE@[125; 130)
+                  PATH@[125; 130)
+                    PATH_SEGMENT@[125; 130)
+                      NAME_REF@[125; 130)
+                        IDENT@[125; 130) "usize"
+          R_PAREN@[130; 131) ")"
+        WHITESPACE@[131; 132) " "
+        BLOCK_EXPR@[132; 134)
+          BLOCK@[132; 134)
+            L_CURLY@[132; 133) "{"
+            R_CURLY@[133; 134) "}"
+      WHITESPACE@[134; 135) "\n"
+      R_CURLY@[135; 136) "}"
+  WHITESPACE@[136; 137) "\n"
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0153_trait_fn_patterns.rs b/crates/ra_syntax/test_data/parser/inline/ok/0153_trait_fn_patterns.rs
new file mode 100644
index 000000000..a94bf378a
--- /dev/null
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0153_trait_fn_patterns.rs
@@ -0,0 +1,6 @@
+trait T {
+    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/ra_syntax/test_data/parser/inline/ok/0153_trait_fn_patterns.txt b/crates/ra_syntax/test_data/parser/inline/ok/0153_trait_fn_patterns.txt
new file mode 100644
index 000000000..b22df8dbe
--- /dev/null
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0153_trait_fn_patterns.txt
@@ -0,0 +1,161 @@
+SOURCE_FILE@[0; 138)
+  TRAIT_DEF@[0; 137)
+    TRAIT_KW@[0; 5) "trait"
+    WHITESPACE@[5; 6) " "
+    NAME@[6; 7)
+      IDENT@[6; 7) "T"
+    WHITESPACE@[7; 8) " "
+    ITEM_LIST@[8; 137)
+      L_CURLY@[8; 9) "{"
+      WHITESPACE@[9; 14) "\n    "
+      FN_DEF@[14; 46)
+        FN_KW@[14; 16) "fn"
+        WHITESPACE@[16; 17) " "
+        NAME@[17; 19)
+          IDENT@[17; 19) "f1"
+        PARAM_LIST@[19; 43)
+          L_PAREN@[19; 20) "("
+          PARAM@[20; 42)
+            TUPLE_PAT@[20; 26)
+              L_PAREN@[20; 21) "("
+              BIND_PAT@[21; 22)
+                NAME@[21; 22)
+                  IDENT@[21; 22) "a"
+              COMMA@[22; 23) ","
+              WHITESPACE@[23; 24) " "
+              BIND_PAT@[24; 25)
+                NAME@[24; 25)
+                  IDENT@[24; 25) "b"
+              R_PAREN@[25; 26) ")"
+            COLON@[26; 27) ":"
+            WHITESPACE@[27; 28) " "
+            TUPLE_TYPE@[28; 42)
+              L_PAREN@[28; 29) "("
+              PATH_TYPE@[29; 34)
+                PATH@[29; 34)
+                  PATH_SEGMENT@[29; 34)
+                    NAME_REF@[29; 34)
+                      IDENT@[29; 34) "usize"
+              COMMA@[34; 35) ","
+              WHITESPACE@[35; 36) " "
+              PATH_TYPE@[36; 41)
+                PATH@[36; 41)
+                  PATH_SEGMENT@[36; 41)
+                    NAME_REF@[36; 41)
+                      IDENT@[36; 41) "usize"
+              R_PAREN@[41; 42) ")"
+          R_PAREN@[42; 43) ")"
+        WHITESPACE@[43; 44) " "
+        BLOCK_EXPR@[44; 46)
+          BLOCK@[44; 46)
+            L_CURLY@[44; 45) "{"
+            R_CURLY@[45; 46) "}"
+      WHITESPACE@[46; 51) "\n    "
+      FN_DEF@[51; 74)
+        FN_KW@[51; 53) "fn"
+        WHITESPACE@[53; 54) " "
+        NAME@[54; 56)
+          IDENT@[54; 56) "f2"
+        PARAM_LIST@[56; 71)
+          L_PAREN@[56; 57) "("
+          PARAM@[57; 70)
+            RECORD_PAT@[57; 67)
+              PATH@[57; 58)
+                PATH_SEGMENT@[57; 58)
+                  NAME_REF@[57; 58)
+                    IDENT@[57; 58) "S"
+              WHITESPACE@[58; 59) " "
+              RECORD_FIELD_PAT_LIST@[59; 67)
+                L_CURLY@[59; 60) "{"
+                WHITESPACE@[60; 61) " "
+                BIND_PAT@[61; 62)
+                  NAME@[61; 62)
+                    IDENT@[61; 62) "a"
+                COMMA@[62; 63) ","
+                WHITESPACE@[63; 64) " "
+                BIND_PAT@[64; 65)
+                  NAME@[64; 65)
+                    IDENT@[64; 65) "b"
+                WHITESPACE@[65; 66) " "
+                R_CURLY@[66; 67) "}"
+            COLON@[67; 68) ":"
+            WHITESPACE@[68; 69) " "
+            PATH_TYPE@[69; 70)
+              PATH@[69; 70)
+                PATH_SEGMENT@[69; 70)
+                  NAME_REF@[69; 70)
+                    IDENT@[69; 70) "S"
+          R_PAREN@[70; 71) ")"
+        WHITESPACE@[71; 72) " "
+        BLOCK_EXPR@[72; 74)
+          BLOCK@[72; 74)
+            L_CURLY@[72; 73) "{"
+            R_CURLY@[73; 74) "}"
+      WHITESPACE@[74; 79) "\n    "
+      FN_DEF@[79; 108)
+        FN_KW@[79; 81) "fn"
+        WHITESPACE@[81; 82) " "
+        NAME@[82; 84)
+          IDENT@[82; 84) "f3"
+        PARAM_LIST@[84; 105)
+          L_PAREN@[84; 85) "("
+          PARAM@[85; 104)
+            TUPLE_STRUCT_PAT@[85; 95)
+              PATH@[85; 92)
+                PATH_SEGMENT@[85; 92)
+                  NAME_REF@[85; 92)
+                    IDENT@[85; 92) "NewType"
+              L_PAREN@[92; 93) "("
+              BIND_PAT@[93; 94)
+                NAME@[93; 94)
+                  IDENT@[93; 94) "a"
+              R_PAREN@[94; 95) ")"
+            COLON@[95; 96) ":"
+            WHITESPACE@[96; 97) " "
+            PATH_TYPE@[97; 104)
+              PATH@[97; 104)
+                PATH_SEGMENT@[97; 104)
+                  NAME_REF@[97; 104)
+                    IDENT@[97; 104) "NewType"
+          R_PAREN@[104; 105) ")"
+        WHITESPACE@[105; 106) " "
+        BLOCK_EXPR@[106; 108)
+          BLOCK@[106; 108)
+            L_CURLY@[106; 107) "{"
+            R_CURLY@[107; 108) "}"
+      WHITESPACE@[108; 113) "\n    "
+      FN_DEF@[113; 135)
+        FN_KW@[113; 115) "fn"
+        WHITESPACE@[115; 116) " "
+        NAME@[116; 118)
+          IDENT@[116; 118) "f4"
+        PARAM_LIST@[118; 132)
+          L_PAREN@[118; 119) "("
+          PARAM@[119; 131)
+            REF_PAT@[119; 122)
+              AMP@[119; 120) "&"
+              REF_PAT@[120; 122)
+                AMP@[120; 121) "&"
+                BIND_PAT@[121; 122)
+                  NAME@[121; 122)
+                    IDENT@[121; 122) "a"
+            COLON@[122; 123) ":"
+            WHITESPACE@[123; 124) " "
+            REFERENCE_TYPE@[124; 131)
+              AMP@[124; 125) "&"
+              REFERENCE_TYPE@[125; 131)
+                AMP@[125; 126) "&"
+                PATH_TYPE@[126; 131)
+                  PATH@[126; 131)
+                    PATH_SEGMENT@[126; 131)
+                      NAME_REF@[126; 131)
+                        IDENT@[126; 131) "usize"
+          R_PAREN@[131; 132) ")"
+        WHITESPACE@[132; 133) " "
+        BLOCK_EXPR@[133; 135)
+          BLOCK@[133; 135)
+            L_CURLY@[133; 134) "{"
+            R_CURLY@[134; 135) "}"
+      WHITESPACE@[135; 136) "\n"
+      R_CURLY@[136; 137) "}"
+  WHITESPACE@[137; 138) "\n"
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0154_fn_pointer_param_ident_path.rs b/crates/ra_syntax/test_data/parser/inline/ok/0154_fn_pointer_param_ident_path.rs
new file mode 100644
index 000000000..80a1701fd
--- /dev/null
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0154_fn_pointer_param_ident_path.rs
@@ -0,0 +1,2 @@
+type Foo = fn(Bar::Baz);
+type Qux = fn(baz: Bar::Baz);
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0154_fn_pointer_param_ident_path.txt b/crates/ra_syntax/test_data/parser/inline/ok/0154_fn_pointer_param_ident_path.txt
new file mode 100644
index 000000000..cb686854a
--- /dev/null
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0154_fn_pointer_param_ident_path.txt
@@ -0,0 +1,58 @@
+SOURCE_FILE@[0; 55)
+  TYPE_ALIAS_DEF@[0; 24)
+    TYPE_KW@[0; 4) "type"
+    WHITESPACE@[4; 5) " "
+    NAME@[5; 8)
+      IDENT@[5; 8) "Foo"
+    WHITESPACE@[8; 9) " "
+    EQ@[9; 10) "="
+    WHITESPACE@[10; 11) " "
+    FN_POINTER_TYPE@[11; 23)
+      FN_KW@[11; 13) "fn"
+      PARAM_LIST@[13; 23)
+        L_PAREN@[13; 14) "("
+        PARAM@[14; 22)
+          PATH_TYPE@[14; 22)
+            PATH@[14; 22)
+              PATH@[14; 17)
+                PATH_SEGMENT@[14; 17)
+                  NAME_REF@[14; 17)
+                    IDENT@[14; 17) "Bar"
+              COLONCOLON@[17; 19) "::"
+              PATH_SEGMENT@[19; 22)
+                NAME_REF@[19; 22)
+                  IDENT@[19; 22) "Baz"
+        R_PAREN@[22; 23) ")"
+    SEMI@[23; 24) ";"
+  WHITESPACE@[24; 25) "\n"
+  TYPE_ALIAS_DEF@[25; 54)
+    TYPE_KW@[25; 29) "type"
+    WHITESPACE@[29; 30) " "
+    NAME@[30; 33)
+      IDENT@[30; 33) "Qux"
+    WHITESPACE@[33; 34) " "
+    EQ@[34; 35) "="
+    WHITESPACE@[35; 36) " "
+    FN_POINTER_TYPE@[36; 53)
+      FN_KW@[36; 38) "fn"
+      PARAM_LIST@[38; 53)
+        L_PAREN@[38; 39) "("
+        PARAM@[39; 52)
+          BIND_PAT@[39; 42)
+            NAME@[39; 42)
+              IDENT@[39; 42) "baz"
+          COLON@[42; 43) ":"
+          WHITESPACE@[43; 44) " "
+          PATH_TYPE@[44; 52)
+            PATH@[44; 52)
+              PATH@[44; 47)
+                PATH_SEGMENT@[44; 47)
+                  NAME_REF@[44; 47)
+                    IDENT@[44; 47) "Bar"
+              COLONCOLON@[47; 49) "::"
+              PATH_SEGMENT@[49; 52)
+                NAME_REF@[49; 52)
+                  IDENT@[49; 52) "Baz"
+        R_PAREN@[52; 53) ")"
+    SEMI@[53; 54) ";"
+  WHITESPACE@[54; 55) "\n"
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0155_closure_params.rs b/crates/ra_syntax/test_data/parser/inline/ok/0155_closure_params.rs
new file mode 100644
index 000000000..6ca8dd2d6
--- /dev/null
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0155_closure_params.rs
@@ -0,0 +1,3 @@
+fn main() {
+   let foo = |bar, baz: Baz, qux: Qux::Quux| ();
+}
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0155_closure_params.txt b/crates/ra_syntax/test_data/parser/inline/ok/0155_closure_params.txt
new file mode 100644
index 000000000..98727ae98
--- /dev/null
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0155_closure_params.txt
@@ -0,0 +1,70 @@
+SOURCE_FILE@[0; 63)
+  FN_DEF@[0; 62)
+    FN_KW@[0; 2) "fn"
+    WHITESPACE@[2; 3) " "
+    NAME@[3; 7)
+      IDENT@[3; 7) "main"
+    PARAM_LIST@[7; 9)
+      L_PAREN@[7; 8) "("
+      R_PAREN@[8; 9) ")"
+    WHITESPACE@[9; 10) " "
+    BLOCK_EXPR@[10; 62)
+      BLOCK@[10; 62)
+        L_CURLY@[10; 11) "{"
+        WHITESPACE@[11; 15) "\n   "
+        LET_STMT@[15; 60)
+          LET_KW@[15; 18) "let"
+          WHITESPACE@[18; 19) " "
+          BIND_PAT@[19; 22)
+            NAME@[19; 22)
+              IDENT@[19; 22) "foo"
+          WHITESPACE@[22; 23) " "
+          EQ@[23; 24) "="
+          WHITESPACE@[24; 25) " "
+          LAMBDA_EXPR@[25; 59)
+            PARAM_LIST@[25; 56)
+              PIPE@[25; 26) "|"
+              PARAM@[26; 29)
+                BIND_PAT@[26; 29)
+                  NAME@[26; 29)
+                    IDENT@[26; 29) "bar"
+              COMMA@[29; 30) ","
+              WHITESPACE@[30; 31) " "
+              PARAM@[31; 39)
+                BIND_PAT@[31; 34)
+                  NAME@[31; 34)
+                    IDENT@[31; 34) "baz"
+                COLON@[34; 35) ":"
+                WHITESPACE@[35; 36) " "
+                PATH_TYPE@[36; 39)
+                  PATH@[36; 39)
+                    PATH_SEGMENT@[36; 39)
+                      NAME_REF@[36; 39)
+                        IDENT@[36; 39) "Baz"
+              COMMA@[39; 40) ","
+              WHITESPACE@[40; 41) " "
+              PARAM@[41; 55)
+                BIND_PAT@[41; 44)
+                  NAME@[41; 44)
+                    IDENT@[41; 44) "qux"
+                COLON@[44; 45) ":"
+                WHITESPACE@[45; 46) " "
+                PATH_TYPE@[46; 55)
+                  PATH@[46; 55)
+                    PATH@[46; 49)
+                      PATH_SEGMENT@[46; 49)
+                        NAME_REF@[46; 49)
+                          IDENT@[46; 49) "Qux"
+                    COLONCOLON@[49; 51) "::"
+                    PATH_SEGMENT@[51; 55)
+                      NAME_REF@[51; 55)
+                        IDENT@[51; 55) "Quux"
+              PIPE@[55; 56) "|"
+            WHITESPACE@[56; 57) " "
+            TUPLE_EXPR@[57; 59)
+              L_PAREN@[57; 58) "("
+              R_PAREN@[58; 59) ")"
+          SEMI@[59; 60) ";"
+        WHITESPACE@[60; 61) "\n"
+        R_CURLY@[61; 62) "}"
+  WHITESPACE@[62; 63) "\n"
diff --git a/crates/ra_syntax/test_data/parser/ok/0030_traits.rs b/crates/ra_syntax/test_data/parser/ok/0030_traits.rs
index 23c4be0e1..ac30843ef 100644
--- a/crates/ra_syntax/test_data/parser/ok/0030_traits.rs
+++ b/crates/ra_syntax/test_data/parser/ok/0030_traits.rs
@@ -1,7 +1,3 @@
-pub trait WriteMessage {
-    fn write_message(&FrontendMessage);
-}
 trait Runnable {
    fn handler();
 }
diff --git a/crates/ra_syntax/test_data/parser/ok/0030_traits.txt b/crates/ra_syntax/test_data/parser/ok/0030_traits.txt
index b656c1a81..ac314ae50 100644
--- a/crates/ra_syntax/test_data/parser/ok/0030_traits.txt
+++ b/crates/ra_syntax/test_data/parser/ok/0030_traits.txt
@@ -1,93 +1,61 @@
-SOURCE_FILE@[0; 164)
+SOURCE_FILE@[0; 96)
-  TRAIT_DEF@[0; 66)
+  TRAIT_DEF@[0; 36)
-    VISIBILITY@[0; 3)
+    TRAIT_KW@[0; 5) "trait"
-      PUB_KW@[0; 3) "pub"
+    WHITESPACE@[5; 6) " "
-    WHITESPACE@[3; 4) " "
+    NAME@[6; 14)
-    TRAIT_KW@[4; 9) "trait"
+      IDENT@[6; 14) "Runnable"
-    WHITESPACE@[9; 10) " "
+    WHITESPACE@[14; 15) " "
-    NAME@[10; 22)
+    ITEM_LIST@[15; 36)
-      IDENT@[10; 22) "WriteMessage"
+      L_CURLY@[15; 16) "{"
-    WHITESPACE@[22; 23) " "
+      WHITESPACE@[16; 21) "\n    "
-    ITEM_LIST@[23; 66)
+      FN_DEF@[21; 34)
-      L_CURLY@[23; 24) "{"
+        FN_KW@[21; 23) "fn"
-      WHITESPACE@[24; 29) "\n    "
+        WHITESPACE@[23; 24) " "
-      FN_DEF@[29; 64)
+        NAME@[24; 31)
-        FN_KW@[29; 31) "fn"
+          IDENT@[24; 31) "handler"
-        WHITESPACE@[31; 32) " "
+        PARAM_LIST@[31; 33)
-        NAME@[32; 45)
+          L_PAREN@[31; 32) "("
-          IDENT@[32; 45) "write_message"
+          R_PAREN@[32; 33) ")"
-        PARAM_LIST@[45; 63)
+        SEMI@[33; 34) ";"
-          L_PAREN@[45; 46) "("
+      WHITESPACE@[34; 35) "\n"
-          PARAM@[46; 62)
+      R_CURLY@[35; 36) "}"
-            REFERENCE_TYPE@[46; 62)
+  WHITESPACE@[36; 38) "\n\n"
-              AMP@[46; 47) "&"
+  TRAIT_DEF@[38; 95)
-              PATH_TYPE@[47; 62)
+    TRAIT_KW@[38; 43) "trait"
-                PATH@[47; 62)
+    WHITESPACE@[43; 44) " "
-                  PATH_SEGMENT@[47; 62)
+    NAME@[44; 57)
-                    NAME_REF@[47; 62)
+      IDENT@[44; 57) "TraitWithExpr"
-                      IDENT@[47; 62) "FrontendMessage"
+    WHITESPACE@[57; 58) " "
-          R_PAREN@[62; 63) ")"
+    ITEM_LIST@[58; 95)
-        SEMI@[63; 64) ";"
+      L_CURLY@[58; 59) "{"
-      WHITESPACE@[64; 65) "\n"
+      WHITESPACE@[59; 64) "\n    "
-      R_CURLY@[65; 66) "}"
+      FN_DEF@[64; 93)
-  WHITESPACE@[66; 68) "\n\n"
+        FN_KW@[64; 66) "fn"
-  TRAIT_DEF@[68; 104)
+        WHITESPACE@[66; 67) " "
-    TRAIT_KW@[68; 73) "trait"
+        NAME@[67; 79)
-    WHITESPACE@[73; 74) " "
+          IDENT@[67; 79) "fn_with_expr"
-    NAME@[74; 82)
+        PARAM_LIST@[79; 92)
-      IDENT@[74; 82) "Runnable"
+          L_PAREN@[79; 80) "("
-    WHITESPACE@[82; 83) " "
+          PARAM@[80; 91)
-    ITEM_LIST@[83; 104)
+            BIND_PAT@[80; 81)
-      L_CURLY@[83; 84) "{"
+              NAME@[80; 81)
-      WHITESPACE@[84; 89) "\n    "
+                IDENT@[80; 81) "x"
-      FN_DEF@[89; 102)
+            COLON@[81; 82) ":"
-        FN_KW@[89; 91) "fn"
+            WHITESPACE@[82; 83) " "
-        WHITESPACE@[91; 92) " "
+            ARRAY_TYPE@[83; 91)
-        NAME@[92; 99)
+              L_BRACK@[83; 84) "["
-          IDENT@[92; 99) "handler"
+              PATH_TYPE@[84; 87)
-        PARAM_LIST@[99; 101)
+                PATH@[84; 87)
-          L_PAREN@[99; 100) "("
+                  PATH_SEGMENT@[84; 87)
-          R_PAREN@[100; 101) ")"
+                    NAME_REF@[84; 87)
-        SEMI@[101; 102) ";"
+                      IDENT@[84; 87) "i32"
-      WHITESPACE@[102; 103) "\n"
+              SEMI@[87; 88) ";"
-      R_CURLY@[103; 104) "}"
+              WHITESPACE@[88; 89) " "
-  WHITESPACE@[104; 106) "\n\n"
+              LITERAL@[89; 90)
-  TRAIT_DEF@[106; 163)
+                INT_NUMBER@[89; 90) "1"
-    TRAIT_KW@[106; 111) "trait"
+              R_BRACK@[90; 91) "]"
-    WHITESPACE@[111; 112) " "
+          R_PAREN@[91; 92) ")"
-    NAME@[112; 125)
+        SEMI@[92; 93) ";"
-      IDENT@[112; 125) "TraitWithExpr"
+      WHITESPACE@[93; 94) "\n"
-    WHITESPACE@[125; 126) " "
+      R_CURLY@[94; 95) "}"
-    ITEM_LIST@[126; 163)
+  WHITESPACE@[95; 96) "\n"
-      L_CURLY@[126; 127) "{"
-      WHITESPACE@[127; 132) "\n    "
-      FN_DEF@[132; 161)
-        FN_KW@[132; 134) "fn"
-        WHITESPACE@[134; 135) " "
-        NAME@[135; 147)
-          IDENT@[135; 147) "fn_with_expr"
-        PARAM_LIST@[147; 160)
-          L_PAREN@[147; 148) "("
-          PARAM@[148; 159)
-            BIND_PAT@[148; 149)
-              NAME@[148; 149)
-                IDENT@[148; 149) "x"
-            COLON@[149; 150) ":"
-            WHITESPACE@[150; 151) " "
-            ARRAY_TYPE@[151; 159)
-              L_BRACK@[151; 152) "["
-              PATH_TYPE@[152; 155)
-                PATH@[152; 155)
-                  PATH_SEGMENT@[152; 155)
-                    NAME_REF@[152; 155)
-                      IDENT@[152; 155) "i32"
-              SEMI@[155; 156) ";"
-              WHITESPACE@[156; 157) " "
-              LITERAL@[157; 158)
-                INT_NUMBER@[157; 158) "1"
-              R_BRACK@[158; 159) "]"
-          R_PAREN@[159; 160) ")"
-        SEMI@[160; 161) ";"
-      WHITESPACE@[161; 162) "\n"
-      R_CURLY@[162; 163) "}"
-  WHITESPACE@[163; 164) "\n"