diff options
Diffstat (limited to 'lib/Lex')
-rw-r--r-- | lib/Lex/PPConditionalDirectiveRecord.cpp | 118 | ||||
-rw-r--r-- | lib/Lex/PreprocessingRecord.cpp | 101 | ||||
-rw-r--r-- | lib/Lex/Preprocessor.cpp | 5 |
3 files changed, 122 insertions, 102 deletions
diff --git a/lib/Lex/PPConditionalDirectiveRecord.cpp b/lib/Lex/PPConditionalDirectiveRecord.cpp new file mode 100644 index 0000000000..edcde871a0 --- /dev/null +++ b/lib/Lex/PPConditionalDirectiveRecord.cpp @@ -0,0 +1,118 @@ +//===--- PPConditionalDirectiveRecord.h - Preprocessing Directives-*- C++ -*-=// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file implements the PPConditionalDirectiveRecord class, which maintains +// a record of conditional directive regions. +// +//===----------------------------------------------------------------------===// +#include "clang/Lex/PPConditionalDirectiveRecord.h" +#include "llvm/Support/Capacity.h" + +using namespace clang; + +PPConditionalDirectiveRecord::PPConditionalDirectiveRecord(SourceManager &SM) + : SourceMgr(SM) { + CondDirectiveStack.push_back(SourceLocation()); +} + +bool PPConditionalDirectiveRecord::rangeIntersectsConditionalDirective( + SourceRange Range) const { + if (Range.isInvalid()) + return false; + + CondDirectiveLocsTy::const_iterator + low = std::lower_bound(CondDirectiveLocs.begin(), CondDirectiveLocs.end(), + Range.getBegin(), CondDirectiveLoc::Comp(SourceMgr)); + if (low == CondDirectiveLocs.end()) + return false; + + if (SourceMgr.isBeforeInTranslationUnit(Range.getEnd(), low->getLoc())) + return false; + + CondDirectiveLocsTy::const_iterator + upp = std::upper_bound(low, CondDirectiveLocs.end(), + Range.getEnd(), CondDirectiveLoc::Comp(SourceMgr)); + SourceLocation uppRegion; + if (upp != CondDirectiveLocs.end()) + uppRegion = upp->getRegionLoc(); + + return low->getRegionLoc() != uppRegion; +} + +SourceLocation PPConditionalDirectiveRecord::findConditionalDirectiveRegionLoc( + SourceLocation Loc) const { + if (Loc.isInvalid()) + return SourceLocation(); + if (CondDirectiveLocs.empty()) + return SourceLocation(); + + if (SourceMgr.isBeforeInTranslationUnit(CondDirectiveLocs.back().getLoc(), + Loc)) + return CondDirectiveStack.back(); + + CondDirectiveLocsTy::const_iterator + low = std::lower_bound(CondDirectiveLocs.begin(), CondDirectiveLocs.end(), + Loc, CondDirectiveLoc::Comp(SourceMgr)); + assert(low != CondDirectiveLocs.end()); + return low->getRegionLoc(); +} + +void PPConditionalDirectiveRecord::addCondDirectiveLoc( + CondDirectiveLoc DirLoc) { + // Ignore directives in system headers. + if (SourceMgr.isInSystemHeader(DirLoc.getLoc())) + return; + + assert(CondDirectiveLocs.empty() || + SourceMgr.isBeforeInTranslationUnit(CondDirectiveLocs.back().getLoc(), + DirLoc.getLoc())); + CondDirectiveLocs.push_back(DirLoc); +} + +void PPConditionalDirectiveRecord::If(SourceLocation Loc, + SourceRange ConditionRange) { + addCondDirectiveLoc(CondDirectiveLoc(Loc, CondDirectiveStack.back())); + CondDirectiveStack.push_back(Loc); +} + +void PPConditionalDirectiveRecord::Ifdef(SourceLocation Loc, + const Token &MacroNameTok) { + addCondDirectiveLoc(CondDirectiveLoc(Loc, CondDirectiveStack.back())); + CondDirectiveStack.push_back(Loc); +} + +void PPConditionalDirectiveRecord::Ifndef(SourceLocation Loc, + const Token &MacroNameTok) { + addCondDirectiveLoc(CondDirectiveLoc(Loc, CondDirectiveStack.back())); + CondDirectiveStack.push_back(Loc); +} + +void PPConditionalDirectiveRecord::Elif(SourceLocation Loc, + SourceRange ConditionRange, + SourceLocation IfLoc) { + addCondDirectiveLoc(CondDirectiveLoc(Loc, CondDirectiveStack.back())); + CondDirectiveStack.back() = Loc; +} + +void PPConditionalDirectiveRecord::Else(SourceLocation Loc, + SourceLocation IfLoc) { + addCondDirectiveLoc(CondDirectiveLoc(Loc, CondDirectiveStack.back())); + CondDirectiveStack.back() = Loc; +} + +void PPConditionalDirectiveRecord::Endif(SourceLocation Loc, + SourceLocation IfLoc) { + addCondDirectiveLoc(CondDirectiveLoc(Loc, CondDirectiveStack.back())); + assert(!CondDirectiveStack.empty()); + CondDirectiveStack.pop_back(); +} + +size_t PPConditionalDirectiveRecord::getTotalMemory() const { + return llvm::capacity_in_bytes(CondDirectiveLocs); +} diff --git a/lib/Lex/PreprocessingRecord.cpp b/lib/Lex/PreprocessingRecord.cpp index 0376e449ae..5f1353c86e 100644 --- a/lib/Lex/PreprocessingRecord.cpp +++ b/lib/Lex/PreprocessingRecord.cpp @@ -38,14 +38,9 @@ InclusionDirective::InclusionDirective(PreprocessingRecord &PPRec, this->FileName = StringRef(Memory, FileName.size()); } -PreprocessingRecord::PreprocessingRecord(SourceManager &SM, - bool RecordConditionalDirectives) +PreprocessingRecord::PreprocessingRecord(SourceManager &SM) : SourceMgr(SM), - RecordCondDirectives(RecordConditionalDirectives), - ExternalSource(0) -{ - if (RecordCondDirectives) - CondDirectiveStack.push_back(SourceLocation()); + ExternalSource(0) { } /// \brief Returns a pair of [Begin, End) iterators of preprocessed entities @@ -438,98 +433,6 @@ void PreprocessingRecord::InclusionDirective( addPreprocessedEntity(ID); } -bool PreprocessingRecord::rangeIntersectsConditionalDirective( - SourceRange Range) const { - if (Range.isInvalid()) - return false; - - CondDirectiveLocsTy::const_iterator - low = std::lower_bound(CondDirectiveLocs.begin(), CondDirectiveLocs.end(), - Range.getBegin(), CondDirectiveLoc::Comp(SourceMgr)); - if (low == CondDirectiveLocs.end()) - return false; - - if (SourceMgr.isBeforeInTranslationUnit(Range.getEnd(), low->getLoc())) - return false; - - CondDirectiveLocsTy::const_iterator - upp = std::upper_bound(low, CondDirectiveLocs.end(), - Range.getEnd(), CondDirectiveLoc::Comp(SourceMgr)); - SourceLocation uppRegion; - if (upp != CondDirectiveLocs.end()) - uppRegion = upp->getRegionLoc(); - - return low->getRegionLoc() != uppRegion; -} - -SourceLocation -PreprocessingRecord::findCondDirectiveRegionLoc(SourceLocation Loc) const { - if (Loc.isInvalid()) - return SourceLocation(); - - CondDirectiveLocsTy::const_iterator - low = std::lower_bound(CondDirectiveLocs.begin(), CondDirectiveLocs.end(), - Loc, CondDirectiveLoc::Comp(SourceMgr)); - if (low == CondDirectiveLocs.end()) - return SourceLocation(); - return low->getRegionLoc(); -} - -void PreprocessingRecord::addCondDirectiveLoc(CondDirectiveLoc DirLoc) { - // Ignore directives in system headers. - if (SourceMgr.isInSystemHeader(DirLoc.getLoc())) - return; - - assert(CondDirectiveLocs.empty() || - SourceMgr.isBeforeInTranslationUnit(CondDirectiveLocs.back().getLoc(), - DirLoc.getLoc())); - CondDirectiveLocs.push_back(DirLoc); -} - -void PreprocessingRecord::If(SourceLocation Loc, SourceRange ConditionRange) { - if (RecordCondDirectives) { - addCondDirectiveLoc(CondDirectiveLoc(Loc, CondDirectiveStack.back())); - CondDirectiveStack.push_back(Loc); - } -} - -void PreprocessingRecord::Ifdef(SourceLocation Loc, const Token &MacroNameTok) { - if (RecordCondDirectives) { - addCondDirectiveLoc(CondDirectiveLoc(Loc, CondDirectiveStack.back())); - CondDirectiveStack.push_back(Loc); - } -} - -void PreprocessingRecord::Ifndef(SourceLocation Loc,const Token &MacroNameTok) { - if (RecordCondDirectives) { - addCondDirectiveLoc(CondDirectiveLoc(Loc, CondDirectiveStack.back())); - CondDirectiveStack.push_back(Loc); - } -} - -void PreprocessingRecord::Elif(SourceLocation Loc, SourceRange ConditionRange, - SourceLocation IfLoc) { - if (RecordCondDirectives) { - addCondDirectiveLoc(CondDirectiveLoc(Loc, CondDirectiveStack.back())); - CondDirectiveStack.back() = Loc; - } -} - -void PreprocessingRecord::Else(SourceLocation Loc, SourceLocation IfLoc) { - if (RecordCondDirectives) { - addCondDirectiveLoc(CondDirectiveLoc(Loc, CondDirectiveStack.back())); - CondDirectiveStack.back() = Loc; - } -} - -void PreprocessingRecord::Endif(SourceLocation Loc, SourceLocation IfLoc) { - if (RecordCondDirectives) { - addCondDirectiveLoc(CondDirectiveLoc(Loc, CondDirectiveStack.back())); - assert(!CondDirectiveStack.empty()); - CondDirectiveStack.pop_back(); - } -} - size_t PreprocessingRecord::getTotalMemory() const { return BumpAlloc.getTotalMemory() + llvm::capacity_in_bytes(MacroDefinitions) diff --git a/lib/Lex/Preprocessor.cpp b/lib/Lex/Preprocessor.cpp index 9488584105..b5fb89f091 100644 --- a/lib/Lex/Preprocessor.cpp +++ b/lib/Lex/Preprocessor.cpp @@ -765,11 +765,10 @@ CommentHandler::~CommentHandler() { } CodeCompletionHandler::~CodeCompletionHandler() { } -void Preprocessor::createPreprocessingRecord(bool RecordConditionalDirectives) { +void Preprocessor::createPreprocessingRecord() { if (Record) return; - Record = new PreprocessingRecord(getSourceManager(), - RecordConditionalDirectives); + Record = new PreprocessingRecord(getSourceManager()); addPPCallbacks(Record); } |