aboutsummaryrefslogtreecommitdiff
path: root/lib/Lex/PPMacroExpansion.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'lib/Lex/PPMacroExpansion.cpp')
-rw-r--r--lib/Lex/PPMacroExpansion.cpp38
1 files changed, 25 insertions, 13 deletions
diff --git a/lib/Lex/PPMacroExpansion.cpp b/lib/Lex/PPMacroExpansion.cpp
index 64ce8c918258..18348df0a39e 100644
--- a/lib/Lex/PPMacroExpansion.cpp
+++ b/lib/Lex/PPMacroExpansion.cpp
@@ -145,8 +145,12 @@ void Preprocessor::updateModuleMacroInfo(const IdentifierInfo *II,
NumHiddenOverrides[O] = -1;
// Collect all macros that are not overridden by a visible macro.
- llvm::SmallVector<ModuleMacro *, 16> Worklist(Leaf->second.begin(),
- Leaf->second.end());
+ llvm::SmallVector<ModuleMacro *, 16> Worklist;
+ for (auto *LeafMM : Leaf->second) {
+ assert(LeafMM->getNumOverridingMacros() == 0 && "leaf macro overridden");
+ if (NumHiddenOverrides.lookup(LeafMM) == 0)
+ Worklist.push_back(LeafMM);
+ }
while (!Worklist.empty()) {
auto *MM = Worklist.pop_back_val();
if (CurSubmoduleState->VisibleModules.isVisible(MM->getOwningModule())) {
@@ -593,9 +597,7 @@ static bool CheckMatchedBrackets(const SmallVectorImpl<Token> &Tokens) {
Brackets.pop_back();
}
}
- if (!Brackets.empty())
- return false;
- return true;
+ return Brackets.empty();
}
/// GenerateNewArgTokens - Returns true if OldTokens can be converted to a new
@@ -867,7 +869,7 @@ MacroArgs *Preprocessor::ReadFunctionLikeMacroArgs(Token &MacroName,
DiagnosticBuilder DB =
Diag(MacroName,
diag::note_init_list_at_beginning_of_macro_argument);
- for (const SourceRange &Range : InitLists)
+ for (SourceRange Range : InitLists)
DB << Range;
}
return nullptr;
@@ -876,7 +878,7 @@ MacroArgs *Preprocessor::ReadFunctionLikeMacroArgs(Token &MacroName,
return nullptr;
DiagnosticBuilder DB = Diag(MacroName, diag::note_suggest_parens_for_macro);
- for (const SourceRange &ParenLocation : ParenHints) {
+ for (SourceRange ParenLocation : ParenHints) {
DB << FixItHint::CreateInsertion(ParenLocation.getBegin(), "(");
DB << FixItHint::CreateInsertion(ParenLocation.getEnd(), ")");
}
@@ -1057,6 +1059,9 @@ static bool HasFeature(const Preprocessor &PP, const IdentifierInfo *II) {
.Case("attribute_availability", true)
.Case("attribute_availability_with_message", true)
.Case("attribute_availability_app_extension", true)
+ .Case("attribute_availability_with_version_underscores", true)
+ .Case("attribute_availability_tvos", true)
+ .Case("attribute_availability_watchos", true)
.Case("attribute_cf_returns_not_retained", true)
.Case("attribute_cf_returns_retained", true)
.Case("attribute_cf_returns_on_parameters", true)
@@ -1075,7 +1080,7 @@ static bool HasFeature(const Preprocessor &PP, const IdentifierInfo *II) {
.Case("blocks", LangOpts.Blocks)
.Case("c_thread_safety_attributes", true)
.Case("cxx_exceptions", LangOpts.CXXExceptions)
- .Case("cxx_rtti", LangOpts.RTTI)
+ .Case("cxx_rtti", LangOpts.RTTI && LangOpts.RTTIData)
.Case("enumerator_attributes", true)
.Case("nullability", true)
.Case("memory_sanitizer", LangOpts.Sanitize.has(SanitizerKind::Memory))
@@ -1084,7 +1089,7 @@ static bool HasFeature(const Preprocessor &PP, const IdentifierInfo *II) {
// Objective-C features
.Case("objc_arr", LangOpts.ObjCAutoRefCount) // FIXME: REMOVE?
.Case("objc_arc", LangOpts.ObjCAutoRefCount)
- .Case("objc_arc_weak", LangOpts.ObjCARCWeak)
+ .Case("objc_arc_weak", LangOpts.ObjCWeak)
.Case("objc_default_synthesize_properties", LangOpts.ObjC2)
.Case("objc_fixed_enum", LangOpts.ObjC2)
.Case("objc_instancetype", LangOpts.ObjC2)
@@ -1629,16 +1634,23 @@ void Preprocessor::ExpandBuiltinMacro(Token &Tok) {
Value = FeatureII->getTokenID() == tok::identifier;
else if (II == Ident__has_builtin) {
// Check for a builtin is trivial.
- Value = FeatureII->getBuiltinID() != 0;
+ if (FeatureII->getBuiltinID() != 0) {
+ Value = true;
+ } else {
+ StringRef Feature = FeatureII->getName();
+ Value = llvm::StringSwitch<bool>(Feature)
+ .Case("__make_integer_seq", getLangOpts().CPlusPlus)
+ .Default(false);
+ }
} else if (II == Ident__has_attribute)
Value = hasAttribute(AttrSyntax::GNU, nullptr, FeatureII,
- getTargetInfo().getTriple(), getLangOpts());
+ getTargetInfo(), getLangOpts());
else if (II == Ident__has_cpp_attribute)
Value = hasAttribute(AttrSyntax::CXX, ScopeII, FeatureII,
- getTargetInfo().getTriple(), getLangOpts());
+ getTargetInfo(), getLangOpts());
else if (II == Ident__has_declspec)
Value = hasAttribute(AttrSyntax::Declspec, nullptr, FeatureII,
- getTargetInfo().getTriple(), getLangOpts());
+ getTargetInfo(), getLangOpts());
else if (II == Ident__has_extension)
Value = HasExtension(*this, FeatureII);
else {