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//
//Copyright (C) 2002-2005 3Dlabs Inc. Ltd.
//All rights reserved.
//
//Redistribution and use in source and binary forms, with or without
//modification, are permitted provided that the following conditions
//are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
//
// Neither the name of 3Dlabs Inc. Ltd. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
//THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
//"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
//LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
//FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
//COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
//INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
//BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
//LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
//CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
//LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
//ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
//POSSIBILITY OF SUCH DAMAGE.
//
#ifndef _LOCAL_INTERMEDIATE_INCLUDED_
#define _LOCAL_INTERMEDIATE_INCLUDED_
#include "../Include/intermediate.h"
#include "../Public/ShaderLang.h"
#include "SymbolTable.h"
struct TVectorFields {
int offsets[4];
int num;
};
//
// Set of helper functions to help parse and build the tree.
//
class TInfoSink;
class TIntermediate {
public:
POOL_ALLOCATOR_NEW_DELETE(GlobalPoolAllocator)
TIntermediate(TInfoSink& i) : infoSink(i) { }
TIntermSymbol* addSymbol(int Id, const TString&, const TType&, TSourceLoc);
TIntermTyped* addConversion(TOperator, const TType&, TIntermTyped*);
TIntermTyped* addBinaryMath(TOperator op, TIntermTyped* left, TIntermTyped* right, TSourceLoc, TSymbolTable&);
TIntermTyped* addAssign(TOperator op, TIntermTyped* left, TIntermTyped* right, TSourceLoc);
TIntermTyped* addIndex(TOperator op, TIntermTyped* base, TIntermTyped* index, TSourceLoc);
TIntermTyped* addUnaryMath(TOperator op, TIntermNode* child, TSourceLoc, TSymbolTable&);
TIntermAggregate* growAggregate(TIntermNode* left, TIntermNode* right, TSourceLoc);
TIntermAggregate* makeAggregate(TIntermNode* node, TSourceLoc);
TIntermAggregate* setAggregateOperator(TIntermNode*, TOperator, TSourceLoc);
TIntermNode* addSelection(TIntermTyped* cond, TIntermNodePair code, TSourceLoc);
TIntermTyped* addSelection(TIntermTyped* cond, TIntermTyped* trueBlock, TIntermTyped* falseBlock, TSourceLoc);
TIntermTyped* addComma(TIntermTyped* left, TIntermTyped* right, TSourceLoc);
TIntermConstantUnion* addConstantUnion(constUnion*, const TType&, TSourceLoc);
TIntermTyped* promoteConstantUnion(TBasicType, TIntermConstantUnion*) ;
TIntermTyped* copyConstUnion(TIntermConstantUnion*) ;
TIntermConstantUnion* changeAggrToTempConst(TIntermAggregate*, TSymbolTable&, TSourceLoc );
bool parseConstTree(TSourceLoc, TIntermNode*, constUnion*, TOperator, TSymbolTable&, TType, bool singleConstantParam = false);
TIntermNode* addLoop(TIntermNode*, TIntermTyped*, TIntermTyped*, bool testFirst, TSourceLoc);
TIntermBranch* addBranch(TOperator, TSourceLoc);
TIntermBranch* addBranch(TOperator, TIntermTyped*, TSourceLoc);
TIntermTyped* addSwizzle(TVectorFields&, TSourceLoc);
bool postProcess(TIntermNode*, EShLanguage);
void remove(TIntermNode*);
void outputTree(TIntermNode*);
void removeChildNode(TIntermSequence&, TType&, int&, TIntermSequence::iterator&, TIntermAggregate*);
TIntermTyped* removeChildNode(TIntermTyped*, TType*, TIntermAggregate*);
bool removeMatrixConstNode(TIntermSequence&, TType&, TIntermAggregate*, int);
protected:
TInfoSink& infoSink;
private:
void operator=(TIntermediate&); // prevent assignments
};
#endif // _LOCAL_INTERMEDIATE_INCLUDED_
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