1 // 2 // Copyright (c) 2012 The ANGLE Project Authors. All rights reserved. 3 // Use of this source code is governed by a BSD-style license that can be 4 // found in the LICENSE file. 5 // 6 7 #ifndef COMPILER_PREPROCESSOR_DIRECTIVE_HANDLER_H_ 8 #define COMPILER_PREPROCESSOR_DIRECTIVE_HANDLER_H_ 9 10 #include <string> 11 12 namespace pp 13 { 14 15 struct SourceLocation; 16 17 // Base class for handling directives. 18 // Preprocessor uses this class to notify the clients about certain 19 // preprocessor directives. Derived classes are responsible for 20 // handling them in an appropriate manner. 21 class DirectiveHandler 22 { 23 public: 24 virtual ~DirectiveHandler(); 25 26 virtual void handleError(const SourceLocation &loc, 27 const std::string &msg) = 0; 28 29 // Handle pragma of form: #pragma name[(value)] 30 virtual void handlePragma(const SourceLocation &loc, 31 const std::string &name, 32 const std::string &value) = 0; 33 34 virtual void handleExtension(const SourceLocation &loc, 35 const std::string &name, 36 const std::string &behavior) = 0; 37 38 virtual void handleVersion(const SourceLocation &loc, 39 int version) = 0; 40 }; 41 42 } // namespace pp 43 #endif // COMPILER_PREPROCESSOR_DIRECTIVE_HANDLER_H_ 44
