clang
3.9.0
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#include "clang/Lex/Preprocessor.h"
#include "clang/Basic/Attributes.h"
#include "clang/Basic/FileManager.h"
#include "clang/Basic/SourceManager.h"
#include "clang/Basic/TargetInfo.h"
#include "clang/Lex/CodeCompletionHandler.h"
#include "clang/Lex/ExternalPreprocessorSource.h"
#include "clang/Lex/LexDiagnostic.h"
#include "clang/Lex/MacroArgs.h"
#include "clang/Lex/MacroInfo.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/Config/llvm-config.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/raw_ostream.h"
#include <cstdio>
#include <ctime>
Go to the source code of this file.
Enumerations | |
enum | Bracket { Brace, Paren } |
Functions | |
static IdentifierInfo * | RegisterBuiltinMacro (Preprocessor &PP, const char *Name) |
RegisterBuiltinMacro - Register the specified identifier in the identifier table and mark it as a builtin macro to be expanded. More... | |
static bool | isTrivialSingleTokenExpansion (const MacroInfo *MI, const IdentifierInfo *MacroIdent, Preprocessor &PP) |
isTrivialSingleTokenExpansion - Return true if MI, which has a single token in its expansion, currently expands to that token literally. More... | |
static bool | CheckMatchedBrackets (const SmallVectorImpl< Token > &Tokens) |
CheckMatchedBrackets - Returns true if the braces and parentheses in the token vector are properly nested. More... | |
static bool | GenerateNewArgTokens (Preprocessor &PP, SmallVectorImpl< Token > &OldTokens, SmallVectorImpl< Token > &NewTokens, unsigned &NumArgs, SmallVectorImpl< SourceRange > &ParenHints, SmallVectorImpl< SourceRange > &InitLists) |
GenerateNewArgTokens - Returns true if OldTokens can be converted to a new vector of tokens in NewTokens. More... | |
static void | ComputeDATE_TIME (SourceLocation &DATELoc, SourceLocation &TIMELoc, Preprocessor &PP) |
ComputeDATE_TIME - Compute the current time, enter it into the specified scratch buffer, then return DATELoc/TIMELoc locations with the position of the identifier tokens inserted. More... | |
static bool | HasFeature (const Preprocessor &PP, StringRef Feature) |
HasFeature - Return true if we recognize and implement the feature specified by the identifier as a standard language feature. More... | |
static bool | HasExtension (const Preprocessor &PP, StringRef Extension) |
HasExtension - Return true if we recognize and implement the feature specified by the identifier, either as an extension or a standard language feature. More... | |
static bool | EvaluateHasIncludeCommon (Token &Tok, IdentifierInfo *II, Preprocessor &PP, const DirectoryLookup *LookupFrom, const FileEntry *LookupFromFile) |
EvaluateHasIncludeCommon - Process a '__has_include("path")' or '__has_include_next("path")' expression. More... | |
static bool | EvaluateHasInclude (Token &Tok, IdentifierInfo *II, Preprocessor &PP) |
EvaluateHasInclude - Process a '__has_include("path")' expression. More... | |
static bool | EvaluateHasIncludeNext (Token &Tok, IdentifierInfo *II, Preprocessor &PP) |
EvaluateHasIncludeNext - Process '__has_include_next("path")' expression. More... | |
static void | EvaluateFeatureLikeBuiltinMacro (llvm::raw_svector_ostream &OS, Token &Tok, IdentifierInfo *II, Preprocessor &PP, llvm::function_ref< int(Token &Tok, bool &HasLexedNextTok)> Op) |
Process single-argument builtin feature-like macros that return integer values. More... | |
static IdentifierInfo * | ExpectFeatureIdentifierInfo (Token &Tok, Preprocessor &PP, signed DiagID) |
Helper function to return the IdentifierInfo structure of a Token or generate a diagnostic if none available. More... | |
enum Bracket |
Enumerator | |
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Brace | |
Paren |
Definition at line 574 of file PPMacroExpansion.cpp.
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CheckMatchedBrackets - Returns true if the braces and parentheses in the token vector are properly nested.
Definition at line 581 of file PPMacroExpansion.cpp.
References Brace, E, I, and Paren.
Referenced by GenerateNewArgTokens().
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ComputeDATE_TIME - Compute the current time, enter it into the specified scratch buffer, then return DATELoc/TIMELoc locations with the position of the identifier tokens inserted.
Definition at line 1014 of file PPMacroExpansion.cpp.
References clang::Preprocessor::CreateString(), clang::Token::getLocation(), and clang::Token::startToken().
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Process single-argument builtin feature-like macros that return integer values.
Definition at line 1424 of file PPMacroExpansion.cpp.
References Diag(), clang::Preprocessor::Diag(), clang::comments::tok::eof, clang::Token::getIdentifierInfo(), clang::Token::getKind(), clang::Token::getLocation(), clang::Token::isNot(), clang::Token::isOneOf(), clang::Preprocessor::LexUnexpandedToken(), clang::Result, and clang::Token::setKind().
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EvaluateHasInclude - Process a '__has_include("path")' expression.
Returns true if successful.
Definition at line 1387 of file PPMacroExpansion.cpp.
References EvaluateHasIncludeCommon().
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EvaluateHasIncludeCommon - Process a '__has_include("path")' or '__has_include_next("path")' expression.
Returns true if successful.
Definition at line 1277 of file PPMacroExpansion.cpp.
References clang::Preprocessor::ConcatenateIncludeName(), clang::Preprocessor::Diag(), Filename, clang::Preprocessor::getCurrentLexer(), clang::Preprocessor::GetIncludeFilenameSpelling(), clang::Token::getKind(), clang::Token::getLocation(), clang::Preprocessor::getLocForEndOfToken(), clang::IdentifierInfo::getName(), clang::Preprocessor::getSpelling(), clang::Token::is(), clang::Token::isNot(), clang::Preprocessor::isParsingIfOrElifDirective(), clang::Preprocessor::Lex(), clang::PreprocessorLexer::LexIncludeFilename(), clang::Preprocessor::LexNonComment(), clang::Preprocessor::LookupFile(), clang::Token::setIdentifierInfo(), and clang::Token::setKind().
Referenced by EvaluateHasInclude(), and EvaluateHasIncludeNext().
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EvaluateHasIncludeNext - Process '__has_include_next("path")' expression.
Returns true if successful.
Definition at line 1394 of file PPMacroExpansion.cpp.
References clang::Preprocessor::Diag(), EvaluateHasIncludeCommon(), clang::Preprocessor::GetCurDirLookup(), clang::Preprocessor::getCurrentLexer(), clang::Preprocessor::getCurrentSubmodule(), clang::PreprocessorLexer::getFileEntry(), and clang::Preprocessor::isInPrimaryFile().
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Helper function to return the IdentifierInfo structure of a Token or generate a diagnostic if none available.
Definition at line 1527 of file PPMacroExpansion.cpp.
References clang::Preprocessor::Diag(), clang::Token::getIdentifierInfo(), clang::Token::getLocation(), and clang::Token::isAnnotation().
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GenerateNewArgTokens - Returns true if OldTokens can be converted to a new vector of tokens in NewTokens.
The new number of arguments will be placed in NumArgs and the ranges which need to surrounded in parentheses will be in ParenHints. Returns false if the token stream cannot be changed. If this is because of an initializer list starting a macro argument, the range of those initializer lists will be place in InitLists.
Definition at line 610 of file PPMacroExpansion.cpp.
References CheckMatchedBrackets(), E, clang::comments::tok::eof, clang::Preprocessor::getLocForEndOfToken(), I, clang::NumArgs, clang::Token::setKind(), clang::Token::setLength(), clang::Token::setLocation(), and clang::Token::startToken().
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HasExtension - Return true if we recognize and implement the feature specified by the identifier, either as an extension or a standard language feature.
Definition at line 1228 of file PPMacroExpansion.cpp.
References clang::diag::Error, clang::Preprocessor::getDiagnostics(), clang::DiagnosticsEngine::getExtensionHandlingBehavior(), clang::Preprocessor::getLangOpts(), clang::Preprocessor::getTargetInfo(), HasFeature(), and clang::TargetInfo::isTLSSupported().
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HasFeature - Return true if we recognize and implement the feature specified by the identifier as a standard language feature.
Definition at line 1049 of file PPMacroExpansion.cpp.
References clang::Preprocessor::getLangOpts(), clang::Preprocessor::getTargetInfo(), clang::SanitizerSet::has(), clang::SanitizerSet::hasOneOf(), clang::ObjCRuntime::hasWeakClassImport(), clang::ObjCRuntime::isNonFragile(), clang::TargetInfo::isTLSSupported(), clang::LangOptions::ObjCRuntime, and clang::LangOptions::Sanitize.
Referenced by HasExtension(), and hasFeature().
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isTrivialSingleTokenExpansion - Return true if MI, which has a single token in its expansion, currently expands to that token literally.
Definition at line 342 of file PPMacroExpansion.cpp.
References clang::MacroInfo::arg_begin(), clang::MacroInfo::arg_end(), clang::Preprocessor::getExternalSource(), clang::Token::getIdentifierInfo(), clang::Preprocessor::getMacroInfo(), clang::MacroInfo::getReplacementToken(), clang::MacroInfo::isObjectLike(), clang::IdentifierInfo::isOutOfDate(), and clang::ExternalPreprocessorSource::updateOutOfDateIdentifier().
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RegisterBuiltinMacro - Register the specified identifier in the identifier table and mark it as a builtin macro to be expanded.
Definition at line 278 of file PPMacroExpansion.cpp.
References clang::Preprocessor::AllocateMacroInfo(), clang::Preprocessor::appendDefMacroDirective(), clang::Preprocessor::getIdentifierInfo(), and clang::MacroInfo::setIsBuiltinMacro().