From ce1b34fd59a6145a4bb5682d672c846e101725d4 Mon Sep 17 00:00:00 2001
From: Michael Chesser <michaelchesser@outlook.com>
Date: Tue, 7 Jan 2020 09:29:03 +1030
Subject: Improve const generics parsing

- Handle const generics type args
- Fix issue with const generic as first parameter in trait impl
---
 .../test_data/parser/inline/ok/0039_type_arg.rs    |  2 +-
 .../test_data/parser/inline/ok/0039_type_arg.txt   | 51 ++++++++++++++--------
 .../parser/inline/ok/0150_impl_type_params.rs      |  1 +
 .../parser/inline/ok/0150_impl_type_params.txt     | 38 ++++++++++++++++
 4 files changed, 73 insertions(+), 19 deletions(-)
 create mode 100644 crates/ra_syntax/test_data/parser/inline/ok/0150_impl_type_params.rs
 create mode 100644 crates/ra_syntax/test_data/parser/inline/ok/0150_impl_type_params.txt

(limited to 'crates/ra_syntax/test_data')

diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0039_type_arg.rs b/crates/ra_syntax/test_data/parser/inline/ok/0039_type_arg.rs
index 385c43131..0d07d7651 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0039_type_arg.rs
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0039_type_arg.rs
@@ -1 +1 @@
-type A = B<'static, i32, Item=u64>;
+type A = B<'static, i32, 1, { 2 }, Item=u64>;
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0039_type_arg.txt b/crates/ra_syntax/test_data/parser/inline/ok/0039_type_arg.txt
index 4786bf77a..025faf5ca 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0039_type_arg.txt
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0039_type_arg.txt
@@ -1,5 +1,5 @@
-SOURCE_FILE@[0; 36)
-  TYPE_ALIAS_DEF@[0; 35)
+SOURCE_FILE@[0; 46)
+  TYPE_ALIAS_DEF@[0; 45)
     TYPE_KW@[0; 4) "type"
     WHITESPACE@[4; 5) " "
     NAME@[5; 6)
@@ -7,12 +7,12 @@ SOURCE_FILE@[0; 36)
     WHITESPACE@[6; 7) " "
     EQ@[7; 8) "="
     WHITESPACE@[8; 9) " "
-    PATH_TYPE@[9; 34)
-      PATH@[9; 34)
-        PATH_SEGMENT@[9; 34)
+    PATH_TYPE@[9; 44)
+      PATH@[9; 44)
+        PATH_SEGMENT@[9; 44)
           NAME_REF@[9; 10)
             IDENT@[9; 10) "B"
-          TYPE_ARG_LIST@[10; 34)
+          TYPE_ARG_LIST@[10; 44)
             L_ANGLE@[10; 11) "<"
             LIFETIME_ARG@[11; 18)
               LIFETIME@[11; 18) "\'static"
@@ -26,15 +26,30 @@ SOURCE_FILE@[0; 36)
                       IDENT@[20; 23) "i32"
             COMMA@[23; 24) ","
             WHITESPACE@[24; 25) " "
-            ASSOC_TYPE_ARG@[25; 33)
-              NAME_REF@[25; 29)
-                IDENT@[25; 29) "Item"
-              EQ@[29; 30) "="
-              PATH_TYPE@[30; 33)
-                PATH@[30; 33)
-                  PATH_SEGMENT@[30; 33)
-                    NAME_REF@[30; 33)
-                      IDENT@[30; 33) "u64"
-            R_ANGLE@[33; 34) ">"
-    SEMI@[34; 35) ";"
-  WHITESPACE@[35; 36) "\n"
+            CONST_ARG@[25; 26)
+              INT_NUMBER@[25; 26) "1"
+            COMMA@[26; 27) ","
+            WHITESPACE@[27; 28) " "
+            CONST_ARG@[28; 33)
+              BLOCK_EXPR@[28; 33)
+                BLOCK@[28; 33)
+                  L_CURLY@[28; 29) "{"
+                  WHITESPACE@[29; 30) " "
+                  LITERAL@[30; 31)
+                    INT_NUMBER@[30; 31) "2"
+                  WHITESPACE@[31; 32) " "
+                  R_CURLY@[32; 33) "}"
+            COMMA@[33; 34) ","
+            WHITESPACE@[34; 35) " "
+            ASSOC_TYPE_ARG@[35; 43)
+              NAME_REF@[35; 39)
+                IDENT@[35; 39) "Item"
+              EQ@[39; 40) "="
+              PATH_TYPE@[40; 43)
+                PATH@[40; 43)
+                  PATH_SEGMENT@[40; 43)
+                    NAME_REF@[40; 43)
+                      IDENT@[40; 43) "u64"
+            R_ANGLE@[43; 44) ">"
+    SEMI@[44; 45) ";"
+  WHITESPACE@[45; 46) "\n"
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0150_impl_type_params.rs b/crates/ra_syntax/test_data/parser/inline/ok/0150_impl_type_params.rs
new file mode 100644
index 000000000..cb0a105c2
--- /dev/null
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0150_impl_type_params.rs
@@ -0,0 +1 @@
+impl<const N: u32> Bar<N> {}
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0150_impl_type_params.txt b/crates/ra_syntax/test_data/parser/inline/ok/0150_impl_type_params.txt
new file mode 100644
index 000000000..47fadef85
--- /dev/null
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0150_impl_type_params.txt
@@ -0,0 +1,38 @@
+SOURCE_FILE@[0; 29)
+  IMPL_BLOCK@[0; 28)
+    IMPL_KW@[0; 4) "impl"
+    TYPE_PARAM_LIST@[4; 18)
+      L_ANGLE@[4; 5) "<"
+      CONST_PARAM@[5; 17)
+        CONST_KW@[5; 10) "const"
+        WHITESPACE@[10; 11) " "
+        NAME@[11; 12)
+          IDENT@[11; 12) "N"
+        COLON@[12; 13) ":"
+        WHITESPACE@[13; 14) " "
+        PATH_TYPE@[14; 17)
+          PATH@[14; 17)
+            PATH_SEGMENT@[14; 17)
+              NAME_REF@[14; 17)
+                IDENT@[14; 17) "u32"
+      R_ANGLE@[17; 18) ">"
+    WHITESPACE@[18; 19) " "
+    PATH_TYPE@[19; 25)
+      PATH@[19; 25)
+        PATH_SEGMENT@[19; 25)
+          NAME_REF@[19; 22)
+            IDENT@[19; 22) "Bar"
+          TYPE_ARG_LIST@[22; 25)
+            L_ANGLE@[22; 23) "<"
+            TYPE_ARG@[23; 24)
+              PATH_TYPE@[23; 24)
+                PATH@[23; 24)
+                  PATH_SEGMENT@[23; 24)
+                    NAME_REF@[23; 24)
+                      IDENT@[23; 24) "N"
+            R_ANGLE@[24; 25) ">"
+    WHITESPACE@[25; 26) " "
+    ITEM_LIST@[26; 28)
+      L_CURLY@[26; 27) "{"
+      R_CURLY@[27; 28) "}"
+  WHITESPACE@[28; 29) "\n"
-- 
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