Parse char literals as integers (#6989)

* Parse char literals as integers

* Fix formatting

* Parse escaped chars correctly

---------

Co-authored-by: Yong He <yonghe@outlook.com>

1 files changed, 15 insertions, 0 deletions

diff --git a/source/slang/slang-parser.cpp b/source/slang/slang-parser.cpp
index c17a086a7..7ff0a6a2f 100644
--- a/source/slang/slang-parser.cpp
+++ b/source/slang/slang-parser.cpp
@@ -7584,6 +7584,21 @@ static Expr* parseAtomicExpr(Parser* parser)
 
             return constExpr;
         }
+
+    case TokenType::CharLiteral:
+        {
+            IntegerLiteralExpr* constExpr = parser->astBuilder->create<IntegerLiteralExpr>();
+            parser->FillPosition(constExpr);
+
+            auto token = parser->tokenReader.advanceToken();
+            constExpr->token = token;
+
+            IntegerLiteralValue value = getCharLiteralValue(token);
+            constExpr->value = value;
+            constExpr->suffixType = BaseType::UInt;
+            return constExpr;
+        }
+
     case TokenType::CompletionRequest:
         {
             VarExpr* varExpr = parser->astBuilder->create<VarExpr>();