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