Used size_t for object size instead of signed int.

src/compiler/Intermediate.cpp

@@ -1145,11 +1145,11 @@ bool CompareStruct(const TType& leftNodeType, ConstantUnion* rightUnionArray, Co
     const TTypeList* fields = leftNodeType.getStruct();
 
     size_t structSize = fields->size();
-    int index = 0;
+    size_t index = 0;
 
     for (size_t j = 0; j < structSize; j++) {
-        int size = (*fields)[j].type->getObjectSize();
-        for (int i = 0; i < size; i++) {
+        size_t size = (*fields)[j].type->getObjectSize();
+        for (size_t i = 0; i < size; i++) {
             if ((*fields)[j].type->getBasicType() == EbtStruct) {
                 if (!CompareStructure(*(*fields)[j].type, &rightUnionArray[index], &leftUnionArray[index]))
                     return false;
@@ -1170,10 +1170,10 @@ bool CompareStructure(const TType& leftNodeType, ConstantUnion* rightUnionArray,
         TType typeWithoutArrayness = leftNodeType;
         typeWithoutArrayness.clearArrayness();
 
-        int arraySize = leftNodeType.getArraySize();
+        size_t arraySize = leftNodeType.getArraySize();
 
-        for (int i = 0; i < arraySize; ++i) {
-            int offset = typeWithoutArrayness.getObjectSize() * i;
+        for (size_t i = 0; i < arraySize; ++i) {
+            size_t offset = typeWithoutArrayness.getObjectSize() * i;
             if (!CompareStruct(typeWithoutArrayness, &rightUnionArray[offset], &leftUnionArray[offset]))
                 return false;
         }
@@ -1193,7 +1193,7 @@ bool CompareStructure(const TType& leftNodeType, ConstantUnion* rightUnionArray,
 TIntermTyped* TIntermConstantUnion::fold(TOperator op, TIntermTyped* constantNode, TInfoSink& infoSink)
 {
     ConstantUnion *unionArray = getUnionArrayPointer();
-    int objectSize = getType().getObjectSize();
+    size_t objectSize = getType().getObjectSize();
 
     if (constantNode)
     {
@@ -1206,7 +1206,7 @@ TIntermTyped* TIntermConstantUnion::fold(TOperator op, TIntermTyped* constantNod
         if (constantNode->getType().getObjectSize() == 1 && objectSize > 1)
         {
             rightUnionArray = new ConstantUnion[objectSize];
-            for (int i = 0; i < objectSize; ++i)
+            for (size_t i = 0; i < objectSize; ++i)
             {
                 rightUnionArray[i] = *node->getUnionArrayPointer();
             }
@@ -1216,7 +1216,7 @@ TIntermTyped* TIntermConstantUnion::fold(TOperator op, TIntermTyped* constantNod
         {
             // for a case like float f = vec4(2,3,4,5) + 1.2;
             unionArray = new ConstantUnion[constantNode->getType().getObjectSize()];
-            for (int i = 0; i < constantNode->getType().getObjectSize(); ++i)
+            for (size_t i = 0; i < constantNode->getType().getObjectSize(); ++i)
             {
                 unionArray[i] = *getUnionArrayPointer();
             }
@@ -1232,14 +1232,14 @@ TIntermTyped* TIntermConstantUnion::fold(TOperator op, TIntermTyped* constantNod
           case EOpAdd:
             tempConstArray = new ConstantUnion[objectSize];
             {
-                for (int i = 0; i < objectSize; i++)
+                for (size_t i = 0; i < objectSize; i++)
                     tempConstArray[i] = unionArray[i] + rightUnionArray[i];
             }
             break;
           case EOpSub:
             tempConstArray = new ConstantUnion[objectSize];
             {
-                for (int i = 0; i < objectSize; i++)
+                for (size_t i = 0; i < objectSize; i++)
                     tempConstArray[i] = unionArray[i] - rightUnionArray[i];
             }
             break;
@@ -1249,7 +1249,7 @@ TIntermTyped* TIntermConstantUnion::fold(TOperator op, TIntermTyped* constantNod
           case EOpMatrixTimesScalar:
             tempConstArray = new ConstantUnion[objectSize];
             {
-                for (int i = 0; i < objectSize; i++)
+                for (size_t i = 0; i < objectSize; i++)
                     tempConstArray[i] = unionArray[i] * rightUnionArray[i];
             }
             break;
@@ -1291,7 +1291,7 @@ TIntermTyped* TIntermConstantUnion::fold(TOperator op, TIntermTyped* constantNod
           case EOpDiv:
             {
                 tempConstArray = new ConstantUnion[objectSize];
-                for (int i = 0; i < objectSize; i++)
+                for (size_t i = 0; i < objectSize; i++)
                 {
                     switch (getType().getBasicType())
                     {
@@ -1399,7 +1399,7 @@ TIntermTyped* TIntermConstantUnion::fold(TOperator op, TIntermTyped* constantNod
           case EOpLogicalAnd: // this code is written for possible future use, will not get executed currently
             {
                 tempConstArray = new ConstantUnion[objectSize];
-                for (int i = 0; i < objectSize; i++)
+                for (size_t i = 0; i < objectSize; i++)
                 {
                     tempConstArray[i] = unionArray[i] && rightUnionArray[i];
                 }
@@ -1409,7 +1409,7 @@ TIntermTyped* TIntermConstantUnion::fold(TOperator op, TIntermTyped* constantNod
           case EOpLogicalOr: // this code is written for possible future use, will not get executed currently
             {
                 tempConstArray = new ConstantUnion[objectSize];
-                for (int i = 0; i < objectSize; i++)
+                for (size_t i = 0; i < objectSize; i++)
                 {
                     tempConstArray[i] = unionArray[i] || rightUnionArray[i];
                 }
@@ -1419,7 +1419,7 @@ TIntermTyped* TIntermConstantUnion::fold(TOperator op, TIntermTyped* constantNod
           case EOpLogicalXor:
             {
                 tempConstArray = new ConstantUnion[objectSize];
-                for (int i = 0; i < objectSize; i++)
+                for (size_t i = 0; i < objectSize; i++)
                 {
                     switch (getType().getBasicType())
                     {
@@ -1478,7 +1478,7 @@ TIntermTyped* TIntermConstantUnion::fold(TOperator op, TIntermTyped* constantNod
             }
             else
             {
-                for (int i = 0; i < objectSize; i++)
+                for (size_t i = 0; i < objectSize; i++)
                 {
                     if (unionArray[i] != rightUnionArray[i])
                     {
@@ -1511,7 +1511,7 @@ TIntermTyped* TIntermConstantUnion::fold(TOperator op, TIntermTyped* constantNod
             }
             else
             {
-                for (int i = 0; i < objectSize; i++)
+                for (size_t i = 0; i < objectSize; i++)
                 {
                     if (unionArray[i] == rightUnionArray[i])
                     {
@@ -1552,7 +1552,7 @@ TIntermTyped* TIntermConstantUnion::fold(TOperator op, TIntermTyped* constantNod
         //
         TIntermConstantUnion *newNode = 0;
         ConstantUnion* tempConstArray = new ConstantUnion[objectSize];
-        for (int i = 0; i < objectSize; i++)
+        for (size_t i = 0; i < objectSize; i++)
         {
             switch(op)
             {
@@ -1590,11 +1590,11 @@ TIntermTyped* TIntermConstantUnion::fold(TOperator op, TIntermTyped* constantNod
 
 TIntermTyped* TIntermediate::promoteConstantUnion(TBasicType promoteTo, TIntermConstantUnion* node)
 {
-    int size = node->getType().getObjectSize();
+    size_t size = node->getType().getObjectSize();
 
     ConstantUnion *leftUnionArray = new ConstantUnion[size];
 
-    for (int i=0; i < size; i++) {
+    for (size_t i=0; i < size; i++) {
 
         switch (promoteTo) {
             case EbtFloat:

src/compiler/OutputGLSLBase.cpp

@@ -152,10 +152,10 @@ const ConstantUnion* TOutputGLSLBase::writeConstantUnion(const TType& type,
     }
     else
     {
-        int size = type.getObjectSize();
+        size_t size = type.getObjectSize();
         bool writeType = size > 1;
         if (writeType) out << getTypeName(type) << "(";
-        for (int i = 0; i < size; ++i, ++pConstUnion)
+        for (size_t i = 0; i < size; ++i, ++pConstUnion)
         {
             switch (pConstUnion->getType())
             {

src/compiler/OutputHLSL.cpp

@@ -3008,11 +3008,12 @@ TString OutputHLSL::initializer(const TType &type)
 {
     TString string;
 
-    for (int component = 0; component < type.getObjectSize(); component++)
+    size_t size = type.getObjectSize();
+    for (size_t component = 0; component < size; component++)
     {
         string += "0";
 
-        if (component < type.getObjectSize() - 1)
+        if (component + 1 < size)
         {
             string += ", ";
         }
@@ -3244,13 +3245,14 @@ void OutputHLSL::addConstructor(const TType &type, const TString &name, const TI
     }
     else
     {
-        int remainingComponents = ctorType.getObjectSize();
-        int parameterIndex = 0;
+        size_t remainingComponents = ctorType.getObjectSize();
+        size_t parameterIndex = 0;
 
         while (remainingComponents > 0)
         {
             const TType &parameter = ctorParameters[parameterIndex];
-            bool moreParameters = parameterIndex < (int)ctorParameters.size() - 1;
+            const size_t parameterSize = parameter.getObjectSize();
+            bool moreParameters = parameterIndex + 1 < ctorParameters.size();
 
             constructor += "x" + str(parameterIndex);
 
@@ -3260,11 +3262,12 @@ void OutputHLSL::addConstructor(const TType &type, const TString &name, const TI
             }
             else if (parameter.isVector())
             {
-                if (remainingComponents == parameter.getObjectSize() || moreParameters)
+                if (remainingComponents == parameterSize || moreParameters)
                 {
-                    remainingComponents -= parameter.getObjectSize();
+                    ASSERT(parameterSize <= remainingComponents);
+                    remainingComponents -= parameterSize;
                 }
-                else if (remainingComponents < parameter.getNominalSize())
+                else if (remainingComponents < static_cast<size_t>(parameter.getNominalSize()))
                 {
                     switch (remainingComponents)
                     {
@@ -3281,9 +3284,10 @@ void OutputHLSL::addConstructor(const TType &type, const TString &name, const TI
             }
             else if (parameter.isMatrix() || parameter.getStruct())
             {
-                ASSERT(remainingComponents == parameter.getObjectSize() || moreParameters);
+                ASSERT(remainingComponents == parameterSize || moreParameters);
+                ASSERT(parameterSize <= remainingComponents);
                 
-                remainingComponents -= parameter.getObjectSize();
+                remainingComponents -= parameterSize;
             }
             else UNREACHABLE();
 
@@ -3340,7 +3344,7 @@ const ConstantUnion *OutputHLSL::writeConstantUnion(const TType &type, const Con
     }
     else
     {
-        int size = type.getObjectSize();
+        size_t size = type.getObjectSize();
         bool writeType = size > 1;
         
         if (writeType)
@@ -3348,7 +3352,7 @@ const ConstantUnion *OutputHLSL::writeConstantUnion(const TType &type, const Con
             out << typeString(type) << "(";
         }
 
-        for (int i = 0; i < size; i++, constUnion++)
+        for (size_t i = 0; i < size; i++, constUnion++)
         {
             switch (constUnion->getType())
             {

src/compiler/ParseHelper.cpp

@@ -486,7 +486,7 @@ bool TParseContext::constructorErrorCheck(const TSourceLoc& line, TIntermNode* n
     // again, there is an extra argument, so 'overfull' will become true.
     //
 
-    int size = 0;
+    size_t size = 0;
     bool constType = true;
     bool full = false;
     bool overFull = false;
@@ -1124,13 +1124,7 @@ bool TParseContext::executeInitializer(const TSourceLoc& line, const TString& id
             return true;
         }
         if (initializer->getAsConstantUnion()) { 
-            ConstantUnion* unionArray = variable->getConstPointer();
-
-            if (type.getObjectSize() == 1 && type.getBasicType() != EbtStruct) {
-                *unionArray = (initializer->getAsConstantUnion()->getUnionArrayPointer())[0];
-            } else {
             variable->shareConstPointer(initializer->getAsConstantUnion()->getUnionArrayPointer());
-            }
         } else if (initializer->getAsSymbolNode()) {
             const TSymbol* symbol = symbolTable.find(initializer->getAsSymbolNode()->getSymbol(), 0);
             const TVariable* tVar = static_cast<const TVariable*>(symbol);
@@ -1767,7 +1761,7 @@ TIntermTyped* TParseContext::addConstVectorNode(TVectorFields& fields, TIntermTy
     ConstantUnion* constArray = new ConstantUnion[fields.num];
 
     for (int i = 0; i < fields.num; i++) {
-        if (fields.offsets[i] >= node->getType().getObjectSize()) {
+        if (fields.offsets[i] >= node->getType().getNominalSize()) {
             std::stringstream extraInfoStream;
             extraInfoStream << "vector field selection out of range '" << fields.offsets[i] << "'";
             std::string extraInfo = extraInfoStream.str();
@@ -1840,9 +1834,8 @@ TIntermTyped* TParseContext::addConstArrayNode(int index, TIntermTyped* node, co
         index = 0;
     }
 
-    int arrayElementSize = arrayElementType.getObjectSize();
-
     if (tempConstantNode) {
+        size_t arrayElementSize = arrayElementType.getObjectSize();
         ConstantUnion* unionArray = tempConstantNode->getUnionArrayPointer();
         typedNode = intermediate.addConstantUnion(&unionArray[arrayElementSize * index], tempConstantNode->getType(), line);
     } else {
@@ -1864,12 +1857,9 @@ TIntermTyped* TParseContext::addConstArrayNode(int index, TIntermTyped* node, co
 TIntermTyped* TParseContext::addConstStruct(const TString &identifier, TIntermTyped *node, const TSourceLoc& line)
 {
     const TTypeList* fields = node->getType().getStruct();
-    TIntermTyped *typedNode;
-    int instanceSize = 0;
-    unsigned int index = 0;
-    TIntermConstantUnion *tempConstantNode = node->getAsConstantUnion();
+    size_t instanceSize = 0;
 
-    for ( index = 0; index < fields->size(); ++index) {
+    for (size_t index = 0; index < fields->size(); ++index) {
         if ((*fields)[index].type->getFieldName() == identifier) {
             break;
         } else {
@@ -1877,6 +1867,8 @@ TIntermTyped* TParseContext::addConstStruct(const TString &identifier, TIntermTy
         }
     }
 
+    TIntermTyped *typedNode;
+    TIntermConstantUnion *tempConstantNode = node->getAsConstantUnion();
     if (tempConstantNode) {
          ConstantUnion* constArray = tempConstantNode->getUnionArrayPointer();
 

src/compiler/SymbolTable.cpp

@@ -17,6 +17,7 @@
 
 #include <stdio.h>
 #include <algorithm>
+#include <climits>
 
 int TSymbolTableLevel::uniqueId = 0;
 
@@ -106,16 +107,42 @@ void TType::buildMangledName(TString& mangledName)
     }
 }
 
-int TType::getStructSize() const
+size_t TType::getObjectSize() const
+{
+    size_t totalSize;
+
+    if (getBasicType() == EbtStruct)
+        totalSize = getStructSize();
+    else
+        totalSize = primarySize * secondarySize;
+
+    if (isArray()) {
+        size_t arraySize = std::max(getArraySize(), getMaxArraySize());
+        if (arraySize > INT_MAX / totalSize)
+            totalSize = INT_MAX;
+        else
+            totalSize *= arraySize;
+    }
+
+    return totalSize;
+}
+
+size_t TType::getStructSize() const
 {
     if (!getStruct()) {
         assert(false && "Not a struct");
         return 0;
     }
 
-    if (structureSize == 0)
-        for (TTypeList::const_iterator tl = getStruct()->begin(); tl != getStruct()->end(); tl++)
-            structureSize += ((*tl).type)->getObjectSize();
+    if (structureSize == 0) {
+        for (TTypeList::const_iterator tl = getStruct()->begin(); tl != getStruct()->end(); tl++) {
+            size_t fieldSize = ((*tl).type)->getObjectSize();
+            if (fieldSize > INT_MAX - structureSize)
+                structureSize = INT_MAX;
+            else
+                structureSize += fieldSize;
+        }
+    }
 
     return structureSize;
 }

src/compiler/Types.h

@@ -70,20 +70,7 @@ public:
     void setSecondarySize(int ss) { secondarySize = ss; }
 
     // Full size of single instance of type
-    int getObjectSize() const
-    {
-        int totalSize;
-
-        if (getBasicType() == EbtStruct)
-            totalSize = getStructSize();
-        else
-            totalSize = primarySize * secondarySize;
-
-        if (isArray())
-            totalSize *= std::max(getArraySize(), getMaxArraySize());
-
-        return totalSize;
-    }
+    size_t getObjectSize() const;
 
     int elementRegisterCount() const
     {
@@ -243,7 +230,7 @@ public:
 
 private:
     void buildMangledName(TString&);
-    int getStructSize() const;
+    size_t getStructSize() const;
     void computeDeepestStructNesting();
 
     TBasicType type      : 6;
@@ -259,7 +246,7 @@ private:
     TType* interfaceBlockType;
 
     TTypeList* structure;      // 0 unless this is a struct
-    mutable int structureSize;
+    mutable size_t structureSize;
     int deepestStructNesting;
 
     TString *fieldName;         // for structure field names

src/compiler/intermOut.cpp

@@ -327,9 +327,9 @@ void TOutputTraverser::visitConstantUnion(TIntermConstantUnion* node)
 {
     TInfoSinkBase& out = sink;
 
-    int size = node->getType().getObjectSize();
+    size_t size = node->getType().getObjectSize();
 
-    for (int i = 0; i < size; i++) {
+    for (size_t i = 0; i < size; i++) {
         OutputTreeText(out, node, depth);
         switch (node->getUnionArrayPointer()[i].getType()) {
             case EbtBool:

src/compiler/parseConst.cpp

@@ -38,13 +38,13 @@ protected:
     bool visitLoop(Visit visit, TIntermLoop*);
     bool visitBranch(Visit visit, TIntermBranch*);
 
-    int index;
+    size_t index;
     ConstantUnion *unionArray;
     TType type;
     TOperator constructorType;
     bool singleConstantParam;
     TInfoSink& infoSink;
-    int size; // size of the constructor ( 4 for vec4)
+    size_t size; // size of the constructor ( 4 for vec4)
     bool isDiagonalMatrixInit;
     int matrixCols; // columns of the matrix
     int matrixRows; // rows of the matrix
@@ -161,16 +161,16 @@ void TConstTraverser::visitConstantUnion(TIntermConstantUnion* node)
     }
 
     ConstantUnion* leftUnionArray = unionArray;
-    int instanceSize = type.getObjectSize();
+    size_t instanceSize = type.getObjectSize();
 
     if (index >= instanceSize)
         return;
 
     if (!singleConstantParam) {
-        int objectSize = node->getType().getObjectSize();
+        size_t objectSize = node->getType().getObjectSize();
     
         ConstantUnion *rightUnionArray = node->getUnionArrayPointer();
-        for (int i=0; i < objectSize; i++) {
+        for (size_t i=0; i < objectSize; i++) {
             if (index >= instanceSize)
                 return;
             leftUnionArray[index] = rightUnionArray[i];
@@ -178,11 +178,11 @@ void TConstTraverser::visitConstantUnion(TIntermConstantUnion* node)
             (index)++;
         }
     } else {
-        int totalSize = index + size;
+        size_t totalSize = index + size;
         ConstantUnion *rightUnionArray = node->getUnionArrayPointer();
         if (!isDiagonalMatrixInit) {
             int count = 0;
-            for (int i = index; i < totalSize; i++) {
+            for (size_t i = index; i < totalSize; i++) {
                 if (i >= instanceSize)
                     return;