337dbc7d8c
Still need to handle arrays and built-in redeclarations, and many more rules, but this puts the basics in place. git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@23225 e7fa87d3-cd2b-0410-9028-fcbf551c1848
129 lines
5.7 KiB
C++
129 lines
5.7 KiB
C++
//
|
|
//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 "Versions.h"
|
|
|
|
class TInfoSink;
|
|
|
|
namespace glslang {
|
|
|
|
struct TVectorFields {
|
|
int offsets[4];
|
|
int num;
|
|
};
|
|
|
|
class TSymbolTable;
|
|
class TVariable;
|
|
|
|
//
|
|
// Set of helper functions to help parse and build the tree.
|
|
//
|
|
class TIntermediate {
|
|
public:
|
|
explicit TIntermediate(EShLanguage l, int v = 0, EProfile p = ENoProfile) : language(l), treeRoot(0), profile(p), version(v), numMains(0), numErrors(0) { }
|
|
|
|
void setVersion(int v) { version = v; }
|
|
int getVersion() const { return version; }
|
|
void setProfile(EProfile p) { profile = p; }
|
|
EProfile getProfile() const { return profile; }
|
|
void setTreeRoot(TIntermNode* r) { treeRoot = r; }
|
|
TIntermNode* getTreeRoot() const { return treeRoot; }
|
|
void addMainCount() { ++numMains; }
|
|
int getNumErrors() const { return numErrors; }
|
|
|
|
TIntermSymbol* addSymbol(int Id, const TString&, const TType&, TSourceLoc);
|
|
TIntermTyped* addConversion(TOperator, const TType&, TIntermTyped*);
|
|
TIntermTyped* addBinaryMath(TOperator, TIntermTyped* left, TIntermTyped* right, TSourceLoc);
|
|
TIntermTyped* addAssign(TOperator op, TIntermTyped* left, TIntermTyped* right, TSourceLoc);
|
|
TIntermTyped* addIndex(TOperator op, TIntermTyped* base, TIntermTyped* index, TSourceLoc);
|
|
TIntermTyped* addUnaryMath(TOperator, TIntermNode* child, TSourceLoc);
|
|
TIntermTyped* addBuiltInFunctionCall(TSourceLoc line, TOperator, bool unary, TIntermNode*, const TType& returnType);
|
|
bool canImplicitlyPromote(TBasicType from, TBasicType to);
|
|
TIntermAggregate* growAggregate(TIntermNode* left, TIntermNode* right);
|
|
TIntermAggregate* growAggregate(TIntermNode* left, TIntermNode* right, TSourceLoc);
|
|
TIntermAggregate* makeAggregate(TIntermNode* node);
|
|
TIntermAggregate* makeAggregate(TIntermNode* node, TSourceLoc);
|
|
TIntermTyped* setAggregateOperator(TIntermNode*, TOperator, const TType& type, TSourceLoc);
|
|
bool areAllChildConst(TIntermAggregate* aggrNode);
|
|
TIntermTyped* fold(TIntermAggregate* aggrNode);
|
|
TIntermTyped* foldConstructor(TIntermAggregate* aggrNode);
|
|
TIntermNode* addSelection(TIntermTyped* cond, TIntermNodePair code, TSourceLoc);
|
|
TIntermTyped* addSelection(TIntermTyped* cond, TIntermTyped* trueBlock, TIntermTyped* falseBlock, TSourceLoc);
|
|
TIntermTyped* addComma(TIntermTyped* left, TIntermTyped* right, TSourceLoc);
|
|
TIntermTyped* addMethod(TIntermTyped*, const TType&, const TString*, TSourceLoc);
|
|
TIntermConstantUnion* addConstantUnion(TConstUnion*, const TType&, TSourceLoc);
|
|
TIntermTyped* promoteConstantUnion(TBasicType, TIntermConstantUnion*) ;
|
|
bool parseConstTree(TSourceLoc, TIntermNode*, TConstUnion*, TOperator, const 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 addSymbolLinkageNodes(TIntermAggregate*& linkage, EShLanguage, TSymbolTable&);
|
|
void addSymbolLinkageNode(TIntermAggregate*& linkage, TSymbolTable&, const TString&);
|
|
void addSymbolLinkageNode(TIntermAggregate*& linkage, const TVariable&);
|
|
|
|
void merge(TInfoSink&, TIntermediate&);
|
|
void errorCheck(TInfoSink&);
|
|
|
|
void outputTree(TInfoSink&);
|
|
void removeTree();
|
|
|
|
protected:
|
|
void mergeBodies(TInfoSink&, TIntermSequence& globals, const TIntermSequence& unitGlobals);
|
|
void mergeLinkerObjects(TInfoSink&, TIntermSequence& linkerObjects, const TIntermSequence& unitLinkerObjects);
|
|
void error(TInfoSink& infoSink, const char*);
|
|
void linkErrorCheck(TInfoSink&, const TIntermSymbol&, const TIntermSymbol&, bool crossStage);
|
|
|
|
protected:
|
|
EShLanguage language;
|
|
TIntermNode* treeRoot;
|
|
EProfile profile;
|
|
int version;
|
|
int numMains;
|
|
int numErrors;
|
|
|
|
private:
|
|
void operator=(TIntermediate&); // prevent assignments
|
|
};
|
|
|
|
} // end namespace glslang
|
|
|
|
#endif // _LOCAL_INTERMEDIATE_INCLUDED_
|