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//
// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
#ifndef _SHHANDLE_INCLUDED_
#define _SHHANDLE_INCLUDED_
//
// Machine independent part of the compiler private objects
// sent as ShHandle to the driver.
//
// This should not be included by driver code.
//
#include "GLSLANG/ShaderLang.h"
#include "compiler/InfoSink.h"
#include "compiler/SymbolTable.h"
class TCompiler;
class TIntermNode;
//
// The base class used to back handles returned to the driver.
//
class TShHandleBase {
public:
TShHandleBase() { }
virtual ~TShHandleBase() { }
virtual TCompiler* getAsCompiler() { return 0; }
};
//
// The base class for the machine dependent compiler to derive from
// for managing object code from the compile.
//
class TCompiler : public TShHandleBase {
public:
TCompiler(EShLanguage l, EShSpec s) : language(l), spec(s) { }
virtual ~TCompiler() { }
EShLanguage getLanguage() const { return language; }
EShSpec getSpec() const { return spec; }
TSymbolTable& getSymbolTable() { return symbolTable; }
TInfoSink& getInfoSink() { return infoSink; }
virtual bool compile(TIntermNode* root) = 0;
virtual TCompiler* getAsCompiler() { return this; }
protected:
EShLanguage language;
EShSpec spec;
// Built-in symbol table for the given language, spec, and resources.
// It is preserved from compile-to-compile.
TSymbolTable symbolTable;
// Output sink.
TInfoSink infoSink;
};
//
// This is the interface between the machine independent code
// and the machine dependent code.
//
// The machine dependent code should derive from the classes
// above. Then Construct*() and Delete*() will create and
// destroy the machine dependent objects, which contain the
// above machine independent information.
//
TCompiler* ConstructCompiler(EShLanguage, EShSpec);
void DeleteCompiler(TCompiler*);
#endif // _SHHANDLE_INCLUDED_
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