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-rw-r--r--lib/Lex/PPDirectives.cpp73
1 files changed, 35 insertions, 38 deletions
diff --git a/lib/Lex/PPDirectives.cpp b/lib/Lex/PPDirectives.cpp
index 8a56ddf236991..4826e399afda9 100644
--- a/lib/Lex/PPDirectives.cpp
+++ b/lib/Lex/PPDirectives.cpp
@@ -752,16 +752,11 @@ Preprocessor::getModuleHeaderToIncludeForDiagnostics(SourceLocation IncLoc,
}
const FileEntry *Preprocessor::LookupFile(
- SourceLocation FilenameLoc,
- StringRef Filename,
- bool isAngled,
- const DirectoryLookup *FromDir,
- const FileEntry *FromFile,
- const DirectoryLookup *&CurDir,
- SmallVectorImpl<char> *SearchPath,
+ SourceLocation FilenameLoc, StringRef Filename, bool isAngled,
+ const DirectoryLookup *FromDir, const FileEntry *FromFile,
+ const DirectoryLookup *&CurDir, SmallVectorImpl<char> *SearchPath,
SmallVectorImpl<char> *RelativePath,
- ModuleMap::KnownHeader *SuggestedModule,
- bool SkipCache) {
+ ModuleMap::KnownHeader *SuggestedModule, bool *IsMapped, bool SkipCache) {
Module *RequestingModule = getModuleForLocation(FilenameLoc);
bool RequestingModuleIsModuleInterface = !SourceMgr.isInMainFile(FilenameLoc);
@@ -819,7 +814,7 @@ const FileEntry *Preprocessor::LookupFile(
while (const FileEntry *FE = HeaderInfo.LookupFile(
Filename, FilenameLoc, isAngled, TmpFromDir, TmpCurDir,
Includers, SearchPath, RelativePath, RequestingModule,
- SuggestedModule, SkipCache)) {
+ SuggestedModule, /*IsMapped=*/nullptr, SkipCache)) {
// Keep looking as if this file did a #include_next.
TmpFromDir = TmpCurDir;
++TmpFromDir;
@@ -835,7 +830,7 @@ const FileEntry *Preprocessor::LookupFile(
// Do a standard file entry lookup.
const FileEntry *FE = HeaderInfo.LookupFile(
Filename, FilenameLoc, isAngled, FromDir, CurDir, Includers, SearchPath,
- RelativePath, RequestingModule, SuggestedModule, SkipCache,
+ RelativePath, RequestingModule, SuggestedModule, IsMapped, SkipCache,
BuildSystemModule);
if (FE) {
if (SuggestedModule && !LangOpts.AsmPreprocessor)
@@ -1593,18 +1588,18 @@ bool Preprocessor::ConcatenateIncludeName(SmallString<128> &FilenameBuffer,
}
/// \brief Push a token onto the token stream containing an annotation.
-static void EnterAnnotationToken(Preprocessor &PP,
- SourceLocation Begin, SourceLocation End,
- tok::TokenKind Kind, void *AnnotationVal) {
+void Preprocessor::EnterAnnotationToken(SourceRange Range,
+ tok::TokenKind Kind,
+ void *AnnotationVal) {
// FIXME: Produce this as the current token directly, rather than
// allocating a new token for it.
auto Tok = llvm::make_unique<Token[]>(1);
Tok[0].startToken();
Tok[0].setKind(Kind);
- Tok[0].setLocation(Begin);
- Tok[0].setAnnotationEndLoc(End);
+ Tok[0].setLocation(Range.getBegin());
+ Tok[0].setAnnotationEndLoc(Range.getEnd());
Tok[0].setAnnotationValue(AnnotationVal);
- PP.EnterTokenStream(std::move(Tok), 1, true);
+ EnterTokenStream(std::move(Tok), 1, true);
}
/// \brief Produce a diagnostic informing the user that a #include or similar
@@ -1783,6 +1778,7 @@ void Preprocessor::HandleIncludeDirective(SourceLocation HashLoc,
}
// Search include directories.
+ bool IsMapped = false;
const DirectoryLookup *CurDir;
SmallString<1024> SearchPath;
SmallString<1024> RelativePath;
@@ -1801,7 +1797,7 @@ void Preprocessor::HandleIncludeDirective(SourceLocation HashLoc,
FilenameLoc, LangOpts.MSVCCompat ? NormalizedPath.c_str() : Filename,
isAngled, LookupFrom, LookupFromFile, CurDir,
Callbacks ? &SearchPath : nullptr, Callbacks ? &RelativePath : nullptr,
- &SuggestedModule);
+ &SuggestedModule, &IsMapped);
if (!File) {
if (Callbacks) {
@@ -1818,7 +1814,7 @@ void Preprocessor::HandleIncludeDirective(SourceLocation HashLoc,
FilenameLoc,
LangOpts.MSVCCompat ? NormalizedPath.c_str() : Filename, isAngled,
LookupFrom, LookupFromFile, CurDir, nullptr, nullptr,
- &SuggestedModule, /*SkipCache*/ true);
+ &SuggestedModule, &IsMapped, /*SkipCache*/ true);
}
}
}
@@ -1833,8 +1829,7 @@ void Preprocessor::HandleIncludeDirective(SourceLocation HashLoc,
LangOpts.MSVCCompat ? NormalizedPath.c_str() : Filename, false,
LookupFrom, LookupFromFile, CurDir,
Callbacks ? &SearchPath : nullptr,
- Callbacks ? &RelativePath : nullptr,
- &SuggestedModule);
+ Callbacks ? &RelativePath : nullptr, &SuggestedModule, &IsMapped);
if (File) {
SourceRange Range(FilenameTok.getLocation(), CharEnd);
Diag(FilenameTok, diag::err_pp_file_not_found_not_fatal) <<
@@ -1964,7 +1959,7 @@ void Preprocessor::HandleIncludeDirective(SourceLocation HashLoc,
// Issue a diagnostic if the name of the file on disk has a different case
// than the one we're about to open.
const bool CheckIncludePathPortability =
- File && !File->tryGetRealPathName().empty();
+ !IsMapped && File && !File->tryGetRealPathName().empty();
if (CheckIncludePathPortability) {
StringRef Name = LangOpts.MSVCCompat ? NormalizedPath.str() : Filename;
@@ -2026,7 +2021,8 @@ void Preprocessor::HandleIncludeDirective(SourceLocation HashLoc,
if (IncludeTok.getIdentifierInfo()->getPPKeywordID() !=
tok::pp___include_macros)
- EnterAnnotationToken(*this, HashLoc, End, tok::annot_module_include, M);
+ EnterAnnotationToken(SourceRange(HashLoc, End),
+ tok::annot_module_include, M);
}
return;
}
@@ -2064,7 +2060,7 @@ void Preprocessor::HandleIncludeDirective(SourceLocation HashLoc,
// submodule.
// FIXME: There's no point doing this if we're handling a #__include_macros
// directive.
- EnterAnnotationToken(*this, HashLoc, End, tok::annot_module_begin, M);
+ EnterAnnotationToken(SourceRange(HashLoc, End), tok::annot_module_begin, M);
}
}
@@ -2592,25 +2588,26 @@ void Preprocessor::HandleUndefDirective() {
// Okay, we have a valid identifier to undef.
auto *II = MacroNameTok.getIdentifierInfo();
auto MD = getMacroDefinition(II);
+ UndefMacroDirective *Undef = nullptr;
+
+ // If the macro is not defined, this is a noop undef.
+ if (const MacroInfo *MI = MD.getMacroInfo()) {
+ if (!MI->isUsed() && MI->isWarnIfUnused())
+ Diag(MI->getDefinitionLoc(), diag::pp_macro_not_used);
+
+ if (MI->isWarnIfUnused())
+ WarnUnusedMacroLocs.erase(MI->getDefinitionLoc());
+
+ Undef = AllocateUndefMacroDirective(MacroNameTok.getLocation());
+ }
// If the callbacks want to know, tell them about the macro #undef.
// Note: no matter if the macro was defined or not.
if (Callbacks)
- Callbacks->MacroUndefined(MacroNameTok, MD);
-
- // If the macro is not defined, this is a noop undef, just return.
- const MacroInfo *MI = MD.getMacroInfo();
- if (!MI)
- return;
-
- if (!MI->isUsed() && MI->isWarnIfUnused())
- Diag(MI->getDefinitionLoc(), diag::pp_macro_not_used);
-
- if (MI->isWarnIfUnused())
- WarnUnusedMacroLocs.erase(MI->getDefinitionLoc());
+ Callbacks->MacroUndefined(MacroNameTok, MD, Undef);
- appendMacroDirective(MacroNameTok.getIdentifierInfo(),
- AllocateUndefMacroDirective(MacroNameTok.getLocation()));
+ if (Undef)
+ appendMacroDirective(II, Undef);
}
//===----------------------------------------------------------------------===//
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-13 05:19:01 +0000