From 33d9f07d6c86e80c44af4de0693532cee6635135 Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Sat, 4 Nov 2017 19:19:23 -0400
Subject: cleanup useless code

---
 source/slang/emit.cpp        |  5 ---
 source/slang/lower-to-ir.cpp |  5 ---
 source/slang/lower.cpp       |  5 ---
 source/slang/parser.cpp      |  2 +-
 source/slang/syntax.cpp      | 79 --------------------------------------------
 source/slang/type-defs.h     | 32 ------------------
 6 files changed, 1 insertion(+), 127 deletions(-)

(limited to 'source')

diff --git a/source/slang/emit.cpp b/source/slang/emit.cpp
index fc6fc0184..056454845 100644
--- a/source/slang/emit.cpp
+++ b/source/slang/emit.cpp
@@ -1194,11 +1194,6 @@ struct EmitVisitor
         EmitDeclarator(declarator);
     }
 
-    void visitThisType(ThisType* /*type*/, TypeEmitArg const&)
-    {
-        return;
-    }
-
     void visitDeclRefType(DeclRefType* declRefType, TypeEmitArg const& arg)
     {
         auto declarator = arg.declarator;
diff --git a/source/slang/lower-to-ir.cpp b/source/slang/lower-to-ir.cpp
index a7baf265c..be91b9d3d 100644
--- a/source/slang/lower-to-ir.cpp
+++ b/source/slang/lower-to-ir.cpp
@@ -882,11 +882,6 @@ struct ValLoweringVisitor : ValVisitor<ValLoweringVisitor, LoweredValInfo, Lower
         }
     }
 
-    LoweredTypeInfo visitThisType(ThisType* /*type*/)
-    {
-        return LoweredTypeInfo();
-    }
-
     LoweredTypeInfo visitDeclRefType(DeclRefType* type)
     {
         // If the type in question comes from the module we are
diff --git a/source/slang/lower.cpp b/source/slang/lower.cpp
index e2c9496f4..44ad5c272 100644
--- a/source/slang/lower.cpp
+++ b/source/slang/lower.cpp
@@ -765,11 +765,6 @@ struct LoweringVisitor
             loweredDeclRef.As<Decl>());
     }
 
-    RefPtr<Type> visitThisType(ThisType* type)
-    {
-        return type;
-    }
-
     RefPtr<Type> visitNamedExpressionType(NamedExpressionType* type)
     {
         if (shared->target == CodeGenTarget::GLSL)
diff --git a/source/slang/parser.cpp b/source/slang/parser.cpp
index 8e0d5d66f..954496b68 100644
--- a/source/slang/parser.cpp
+++ b/source/slang/parser.cpp
@@ -2087,7 +2087,7 @@ namespace Slang
         return decl;
     }
 
-    static void parseOptionalInheritanceClause(Parser* parser, ContainerDecl* decl)
+    static void parseOptionalInheritanceClause(Parser* parser, AggTypeDecl* decl)
     {
         if( AdvanceIf(parser, TokenType::Colon) )
         {
diff --git a/source/slang/syntax.cpp b/source/slang/syntax.cpp
index 255cf4ff1..9acdadad6 100644
--- a/source/slang/syntax.cpp
+++ b/source/slang/syntax.cpp
@@ -376,85 +376,6 @@ void Type::accept(IValVisitor* visitor, void* extra)
             (int)(typeid(this).hash_code()));
     }
 
-    // ThisType
-
-    String ThisType::ToString()
-    {
-        return "<this_type>";
-    }
-
-    int ThisType::GetHashCode()
-    {
-        return 0;
-    }
-
-    bool ThisType::EqualsImpl(Type * /*type*/)
-    {
-        return true;
-    }
-
-    Type* ThisType::CreateCanonicalType()
-    {
-        // A declaration reference is already canonical
-        return this;
-    }
-
-    RefPtr<Val> ThisType::SubstituteImpl(Substitutions* subst, int* /*ioDiff*/)
-    {
-        while (subst)
-        {
-            if (auto thisTypeSubst = dynamic_cast<ThisTypeSubstitution*>(subst))
-            {
-                return thisTypeSubst->sourceType;
-            }
-            subst = subst->outer;
-        }
-        return this;
-    }
-
-    // MemberType
-    /*
-    String MemberType::ToString()
-    {
-        return objectType->ToString() + "::" + declRef.toString();
-    }
-
-    int MemberType::GetHashCode()
-    {
-        return combineHash(objectType->GetHashCode(), declRef.GetHashCode());
-    }
-
-    bool MemberType::EqualsImpl(Type * type)
-    {
-        if (auto memberType = dynamic_cast<MemberType*>(type))
-            return objectType->Equals(memberType->objectType.Ptr()) && declRef.Equals(memberType->declRef);
-        return false;
-    }
-
-    Type* MemberType::CreateCanonicalType()
-    {
-        if (auto declRefType = objectType->As<DeclRefType>())
-        {
-            if (auto aggDeclRef = declRefType->declRef.As<AggTypeDecl>())
-            {
-                Decl* targetDecl = nullptr;
-                if (aggDeclRef.getDecl()->memberDictionary.TryGetValue(declRef.getDecl()->nameAndLoc.name, targetDecl))
-                {
-                    if (auto typeDefDecl = dynamic_cast<TypeDefDecl*>(targetDecl))
-                        return typeDefDecl->type.type;
-                    else
-                        return DeclRefType::Create(getSession(), DeclRef<Decl>(targetDecl, aggDeclRef.substitutions));
-                }
-            }
-        }
-        return this;
-    }
-
-    RefPtr<Val> MemberType::SubstituteImpl(Substitutions* subst, int* ioDiff)
-    {
-        return this;
-    }
-    */
     // DeclRefType
 
     String DeclRefType::ToString()
diff --git a/source/slang/type-defs.h b/source/slang/type-defs.h
index 7eda5b5ce..60f519c82 100644
--- a/source/slang/type-defs.h
+++ b/source/slang/type-defs.h
@@ -55,38 +55,6 @@ protected:
 )
 END_SYNTAX_CLASS()
 
-SYNTAX_CLASS(ThisType, Type)
-RAW(
-    virtual String ToString() override;
-    virtual RefPtr<Val> SubstituteImpl(Substitutions* subst, int* ioDiff) override;
-    
-    ThisType()
-    {}
-    protected:
-        virtual int GetHashCode() override;
-        virtual bool EqualsImpl(Type * type) override;
-        virtual Type* CreateCanonicalType() override;
-    )
-END_SYNTAX_CLASS()
-
-/*
-SYNTAX_CLASS(MemberType, Type)
-    FIELD(RefPtr<Type>, objectType)
-    DECL_FIELD(DeclRef<Decl>, declRef)
-    RAW(
-    virtual String ToString() override;
-    virtual RefPtr<Val> SubstituteImpl(Substitutions* subst, int* ioDiff) override;
-
-    MemberType()
-    {}
-    protected:
-        virtual int GetHashCode() override;
-        virtual bool EqualsImpl(Type * type) override;
-        virtual Type* CreateCanonicalType() override;
-    )
-END_SYNTAX_CLASS()
-*/
-
 // A type that takes the form of a reference to some declaration
 SYNTAX_CLASS(DeclRefType, Type)
     DECL_FIELD(DeclRef<Decl>, declRef)
-- 
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