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Diffstat (limited to 'src/3rdparty/angle/src/compiler/preprocessor/new/DirectiveParser.h')
-rw-r--r-- | src/3rdparty/angle/src/compiler/preprocessor/new/DirectiveParser.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/compiler/preprocessor/new/DirectiveParser.h b/src/3rdparty/angle/src/compiler/preprocessor/new/DirectiveParser.h new file mode 100644 index 0000000000..8a7f0072ba --- /dev/null +++ b/src/3rdparty/angle/src/compiler/preprocessor/new/DirectiveParser.h @@ -0,0 +1,82 @@ +// +// Copyright (c) 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_DIRECTIVE_PARSER_H_ +#define COMPILER_PREPROCESSOR_DIRECTIVE_PARSER_H_ + +#include "Lexer.h" +#include "Macro.h" +#include "pp_utils.h" +#include "SourceLocation.h" + +namespace pp +{ + +class Diagnostics; +class DirectiveHandler; +class Tokenizer; + +class DirectiveParser : public Lexer +{ + public: + DirectiveParser(Tokenizer* tokenizer, + MacroSet* macroSet, + Diagnostics* diagnostics, + DirectiveHandler* directiveHandler); + + virtual void lex(Token* token); + + private: + PP_DISALLOW_COPY_AND_ASSIGN(DirectiveParser); + + void parseDirective(Token* token); + void parseDefine(Token* token); + void parseUndef(Token* token); + void parseIf(Token* token); + void parseIfdef(Token* token); + void parseIfndef(Token* token); + void parseElse(Token* token); + void parseElif(Token* token); + void parseEndif(Token* token); + void parseError(Token* token); + void parsePragma(Token* token); + void parseExtension(Token* token); + void parseVersion(Token* token); + void parseLine(Token* token); + + bool skipping() const; + void parseConditionalIf(Token* token); + int parseExpressionIf(Token* token); + int parseExpressionIfdef(Token* token); + + struct ConditionalBlock + { + std::string type; + SourceLocation location; + bool skipBlock; + bool skipGroup; + bool foundValidGroup; + bool foundElseGroup; + + ConditionalBlock() : + skipBlock(false), + skipGroup(false), + foundValidGroup(false), + foundElseGroup(false) + { + } + }; + bool mPastFirstStatement; + std::vector<ConditionalBlock> mConditionalStack; + Tokenizer* mTokenizer; + MacroSet* mMacroSet; + Diagnostics* mDiagnostics; + DirectiveHandler* mDirectiveHandler; +}; + +} // namespace pp +#endif // COMPILER_PREPROCESSOR_DIRECTIVE_PARSER_H_ + |