From d5e2319c33115d0241dd9d2047c0a5f029553dde Mon Sep 17 00:00:00 2001
From: "YONGH\\yongh" <yonghe@outlook.com>
Date: Thu, 2 Nov 2017 19:21:15 -0400
Subject: work inprogress

---
 source/slang/parser.cpp | 25 ++++++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)

(limited to 'source/slang/parser.cpp')

diff --git a/source/slang/parser.cpp b/source/slang/parser.cpp
index 224450a66..bf85356db 100644
--- a/source/slang/parser.cpp
+++ b/source/slang/parser.cpp
@@ -2113,7 +2113,30 @@ namespace Slang
         auto nameToken = parser->ReadToken(TokenType::Identifier);
         assocTypeDecl->nameAndLoc = NameLoc(nameToken);
         assocTypeDecl->loc = nameToken.loc;
-        parseOptionalInheritanceClause(parser, assocTypeDecl.Ptr());
+        if (AdvanceIf(parser, TokenType::Colon))
+        {
+            while (!parser->tokenReader.IsAtEnd())
+            {
+                auto paramConstraint = new GenericTypeConstraintDecl();
+                parser->FillPosition(paramConstraint);
+
+                auto paramType = DeclRefType::Create(
+                    parser->getSession(),
+                    DeclRef<Decl>(assocTypeDecl, nullptr));
+
+                auto paramTypeExpr = new SharedTypeExpr();
+                paramTypeExpr->loc = assocTypeDecl->loc;
+                paramTypeExpr->base.type = paramType;
+                paramTypeExpr->type = QualType(getTypeType(paramType));
+
+                paramConstraint->sub = TypeExp(paramTypeExpr);
+                paramConstraint->sup = parser->ParseTypeExp();
+
+                AddMember(assocTypeDecl, paramConstraint);
+                if (!AdvanceIf(parser, TokenType::Comma))
+                    break;
+            }
+        }
         parser->ReadToken(TokenType::Semicolon);
         return assocTypeDecl;
     }
-- 
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