[mlir][PDLL] Tweak the grammar to highlight partial code better

This commit enables proper highlighting when inner statements are
outside of a constraint/pattern/etc. This shouldn't really happen in
actual code, but can happen in documentation (which uses the same
syntax grammar).

diff --git a/mlir/utils/vscode/pdll-grammar.json b/mlir/utils/vscode/pdll-grammar.json
index 142d397..47c8968 100644 (file)
--- a/mlir/utils/vscode/pdll-grammar.json
+++ b/mlir/utils/vscode/pdll-grammar.json
@@ -27,6 +27,9 @@
     },
     {
       "include": "#pattern"
+    },
+    {
+      "include": "#inside_pattern"
     }
   ],
   "repository": {