glslang: Fix over 100 warnings from MSVC warning level 4.

git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@31202 e7fa87d3-cd2b-0410-9028-fcbf551c1848

glslang/Include/ConstantUnion.h

@@ -185,8 +185,6 @@ public:
             assert(false && "Default missing");
             return false;
         }
-
-        return false;
     }
 
     bool operator<(const TConstUnion& constant) const
@@ -212,8 +210,6 @@ public:
             assert(false && "Default missing");
             return false;
         }
-
-        return false;
     }
 
     TConstUnion operator+(const TConstUnion& constant) const

glslang/Include/PoolAlloc.h

@@ -214,11 +214,13 @@ protected:
     typedef std::vector<tAllocState> tAllocStack;
 
     // Track allocations if and only if we're using guard blocks
+#ifndef GUARD_BLOCKS
+    void* initializeAllocation(tHeader*, unsigned char* memory, size_t) {
+#else
     void* initializeAllocation(tHeader* block, unsigned char* memory, size_t numBytes) {
-#       ifdef GUARD_BLOCKS
         new(memory) TAllocation(numBytes, memory, block->lastAllocation);
         block->lastAllocation = reinterpret_cast<TAllocation*>(memory);
-#       endif
+#endif
 
         // This is optimized entirely away if GUARD_BLOCKS is not defined.
         return TAllocation::offsetAllocation(memory);
@@ -314,7 +316,7 @@ public:
     TPoolAllocator& getAllocator() const { return allocator; }
 
 protected:
-    pool_allocator& operator=(const pool_allocator& rhs) { return *this; }
+    pool_allocator& operator=(const pool_allocator&) { return *this; }
     TPoolAllocator& allocator;
 };
 

glslang/Include/ShHandle.h

@@ -98,6 +98,8 @@ public:
     
     TInfoSink& infoSink;
 protected:
+    TCompiler& operator=(TCompiler&);
+
     EShLanguage language;
     bool haveValidObjectCode;
 };
@@ -137,6 +139,7 @@ public:
     virtual TInfoSink& getInfoSink() { return infoSink; }
     TInfoSink& infoSink;
 protected:
+    TLinker& operator=(TLinker&);
     EShExecutable executable;
     bool haveReturnableObjectCode;  // true when objectCode is acceptable to send to driver
 

glslang/Include/intermediate.h

@@ -694,15 +694,15 @@ public:
             maxDepth(0) { }
     virtual ~TIntermTraverser() { }
 
-    virtual void visitSymbol(TIntermSymbol*)                     { }
-    virtual void visitConstantUnion(TIntermConstantUnion*)       { }
-    virtual bool visitBinary(TVisit visit, TIntermBinary*)       { return true; }
-    virtual bool visitUnary(TVisit visit, TIntermUnary*)         { return true; }
-    virtual bool visitSelection(TVisit visit, TIntermSelection*) { return true; }
-    virtual bool visitAggregate(TVisit visit, TIntermAggregate*) { return true; }
-    virtual bool visitLoop(TVisit visit, TIntermLoop*)           { return true; }
-    virtual bool visitBranch(TVisit visit, TIntermBranch*)       { return true; }
-    virtual bool visitSwitch(TVisit, TIntermSwitch* node)        { return true; }
+    virtual void visitSymbol(TIntermSymbol*)               { }
+    virtual void visitConstantUnion(TIntermConstantUnion*) { }
+    virtual bool visitBinary(TVisit, TIntermBinary*)       { return true; }
+    virtual bool visitUnary(TVisit, TIntermUnary*)         { return true; }
+    virtual bool visitSelection(TVisit, TIntermSelection*) { return true; }
+    virtual bool visitAggregate(TVisit, TIntermAggregate*) { return true; }
+    virtual bool visitLoop(TVisit, TIntermLoop*)           { return true; }
+    virtual bool visitBranch(TVisit, TIntermBranch*)       { return true; }
+    virtual bool visitSwitch(TVisit, TIntermSwitch*)       { return true; }
 
     int getMaxDepth() const { return maxDepth; }
 
@@ -730,6 +730,8 @@ public:
     const bool rightToLeft;
 
 protected:
+    TIntermTraverser& operator=(TIntermTraverser&);
+
     int depth;
     int maxDepth;