blob: 16be79d9a166a2d1e880b565c534d322ef3e9310 [file] [log] [blame]
// 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.
#include "compiler/preprocessor/Lexer.h"
#include "compiler/preprocessor/Macro.h"
#include "compiler/preprocessor/Preprocessor.h"
#include "compiler/preprocessor/SourceLocation.h"
namespace angle
namespace pp
class Diagnostics;
class DirectiveHandler;
class Tokenizer;
class DirectiveParser : public Lexer
DirectiveParser(Tokenizer *tokenizer,
MacroSet *macroSet,
Diagnostics *diagnostics,
DirectiveHandler *directiveHandler,
const PreprocessorSettings &settings);
~DirectiveParser() override;
void lex(Token *token) override;
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;
: skipBlock(false), skipGroup(false), foundValidGroup(false), foundElseGroup(false)
bool mPastFirstStatement;
bool mSeenNonPreprocessorToken; // Tracks if a non-preprocessor token has been seen yet. Some
// macros, such as
// #extension must be declared before all shader code.
std::vector<ConditionalBlock> mConditionalStack;
Tokenizer *mTokenizer;
MacroSet *mMacroSet;
Diagnostics *mDiagnostics;
DirectiveHandler *mDirectiveHandler;
int mShaderVersion;
const PreprocessorSettings mSettings;
} // namespace pp
} // namespace angle