michael@0: //
michael@0: // Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
michael@0: // Use of this source code is governed by a BSD-style license that can be
michael@0: // found in the LICENSE file.
michael@0: //
michael@0: 
michael@0: #ifndef _LOCAL_INTERMEDIATE_INCLUDED_
michael@0: #define _LOCAL_INTERMEDIATE_INCLUDED_
michael@0: 
michael@0: #include "GLSLANG/ShaderLang.h"
michael@0: #include "compiler/intermediate.h"
michael@0: #include "compiler/SymbolTable.h"
michael@0: 
michael@0: struct TVectorFields {
michael@0:     int offsets[4];
michael@0:     int num;
michael@0: };
michael@0: 
michael@0: //
michael@0: // Set of helper functions to help parse and build the tree.
michael@0: //
michael@0: class TInfoSink;
michael@0: class TIntermediate {
michael@0: public:    
michael@0:     POOL_ALLOCATOR_NEW_DELETE();
michael@0:     TIntermediate(TInfoSink& i) : infoSink(i) { }
michael@0: 
michael@0:     TIntermSymbol* addSymbol(int Id, const TString&, const TType&, const TSourceLoc&);
michael@0:     TIntermTyped* addConversion(TOperator, const TType&, TIntermTyped*);
michael@0:     TIntermTyped* addBinaryMath(TOperator op, TIntermTyped* left, TIntermTyped* right, const TSourceLoc&, TSymbolTable&);
michael@0:     TIntermTyped* addAssign(TOperator op, TIntermTyped* left, TIntermTyped* right, const TSourceLoc&);
michael@0:     TIntermTyped* addIndex(TOperator op, TIntermTyped* base, TIntermTyped* index, const TSourceLoc&);
michael@0:     TIntermTyped* addUnaryMath(TOperator op, TIntermNode* child, const TSourceLoc&, TSymbolTable&);
michael@0:     TIntermAggregate* growAggregate(TIntermNode* left, TIntermNode* right, const TSourceLoc&);
michael@0:     TIntermAggregate* makeAggregate(TIntermNode* node, const TSourceLoc&);
michael@0:     TIntermAggregate* setAggregateOperator(TIntermNode*, TOperator, const TSourceLoc&);
michael@0:     TIntermNode*  addSelection(TIntermTyped* cond, TIntermNodePair code, const TSourceLoc&);
michael@0:     TIntermTyped* addSelection(TIntermTyped* cond, TIntermTyped* trueBlock, TIntermTyped* falseBlock, const TSourceLoc&);
michael@0:     TIntermTyped* addComma(TIntermTyped* left, TIntermTyped* right, const TSourceLoc&);
michael@0:     TIntermConstantUnion* addConstantUnion(ConstantUnion*, const TType&, const TSourceLoc&);
michael@0:     TIntermTyped* promoteConstantUnion(TBasicType, TIntermConstantUnion*) ;
michael@0:     bool parseConstTree(const TSourceLoc&, TIntermNode*, ConstantUnion*, TOperator, TSymbolTable&, TType, bool singleConstantParam = false);        
michael@0:     TIntermNode* addLoop(TLoopType, TIntermNode*, TIntermTyped*, TIntermTyped*, TIntermNode*, const TSourceLoc&);
michael@0:     TIntermBranch* addBranch(TOperator, const TSourceLoc&);
michael@0:     TIntermBranch* addBranch(TOperator, TIntermTyped*, const TSourceLoc&);
michael@0:     TIntermTyped* addSwizzle(TVectorFields&, const TSourceLoc&);
michael@0:     bool postProcess(TIntermNode*);
michael@0:     void remove(TIntermNode*);
michael@0:     void outputTree(TIntermNode*);
michael@0: 
michael@0: private:
michael@0:     void operator=(TIntermediate&); // prevent assignments
michael@0: 
michael@0:     TInfoSink& infoSink;
michael@0: };
michael@0: 
michael@0: #endif // _LOCAL_INTERMEDIATE_INCLUDED_