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//
// Copyright 2012 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 COMPILER_PREPROCESSOR_DIRECTIVEHANDLERBASE_H_
#define COMPILER_PREPROCESSOR_DIRECTIVEHANDLERBASE_H_
#include <string>
#include "GLSLANG/ShaderLang.h"
namespace angle
{
namespace pp
{
struct SourceLocation;
// Base class for handling directives.
// Preprocessor uses this class to notify the clients about certain
// preprocessor directives. Derived classes are responsible for
// handling them in an appropriate manner.
class DirectiveHandler
{
public:
virtual ~DirectiveHandler();
virtual void handleError(const SourceLocation &loc, const std::string &msg) = 0;
// Handle pragma of form: #pragma name[(value)]
virtual void handlePragma(const SourceLocation &loc,
const std::string &name,
const std::string &value,
bool stdgl) = 0;
virtual void handleExtension(const SourceLocation &loc,
const std::string &name,
const std::string &behavior) = 0;
virtual void handleVersion(const SourceLocation &loc, int version, ShShaderSpec spec) = 0;
};
} // namespace pp
} // namespace angle
#endif // COMPILER_PREPROCESSOR_DIRECTIVEHANDLERBASE_H_
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