cjdb updated this revision to Diff 396178.
cjdb added a comment.
minor fix
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D116203/new/
https://reviews.llvm.org/D116203
Files:
clang/include/clang/AST/Type.h
clang/include/clang/Basic/Specifiers.h
clang/include/clang/Basic/TokenKinds.def
clang/include/clang/Parse/Parser.h
clang/include/clang/Sema/DeclSpec.h
clang/lib/AST/ItaniumMangle.cpp
clang/lib/AST/JSONNodeDumper.cpp
clang/lib/AST/TextNodeDumper.cpp
clang/lib/AST/TypePrinter.cpp
clang/lib/Format/FormatToken.cpp
clang/lib/Lex/PPMacroExpansion.cpp
clang/lib/Parse/ParseDecl.cpp
clang/lib/Parse/ParseDeclCXX.cpp
clang/lib/Sema/DeclSpec.cpp
clang/lib/Sema/SemaDecl.cpp
clang/lib/Sema/SemaTemplateVariadic.cpp
clang/lib/Sema/SemaType.cpp
clang/test/SemaCXX/add_cv.cpp
clang/test/SemaCXX/remove_cvref.cpp
Index: clang/test/SemaCXX/remove_cvref.cpp
===================================================================
--- /dev/null
+++ clang/test/SemaCXX/remove_cvref.cpp
@@ -0,0 +1,86 @@
+// RUN: %clang_cc1 -std=c++11 %s
+
+template <class T>
+struct check_remove_reference {
+ constexpr check_remove_reference() {
+ static_assert(__is_same(__remove_reference(T &), T), "");
+ static_assert(__is_same(__remove_reference(const T &), const T), "");
+ static_assert(__is_same(__remove_reference(volatile T &), volatile T), "");
+ static_assert(__is_same(__remove_reference(const volatile T &), const volatile T), "");
+
+ static_assert(__is_same(__remove_reference(T &&), T), "");
+ static_assert(__is_same(__remove_reference(const T &&), const T), "");
+ static_assert(__is_same(__remove_reference(volatile T &&), volatile T), "");
+ static_assert(__is_same(__remove_reference(const volatile T &&), const volatile T), "");
+
+ static_assert(__is_same(__remove_cvref(T &), T), "");
+ static_assert(__is_same(__remove_cvref(const T &), T), "");
+ static_assert(__is_same(__remove_cvref(volatile T &), T), "");
+ static_assert(__is_same(__remove_cvref(const volatile T &), T), "");
+
+ static_assert(__is_same(__remove_cvref(T &&), T), "");
+ static_assert(__is_same(__remove_cvref(const T &&), T), "");
+ static_assert(__is_same(__remove_cvref(volatile T &&), T), "");
+ static_assert(__is_same(__remove_cvref(const volatile T &&), T), "");
+ }
+};
+
+template <> struct check_remove_reference<void> {};
+template <class T> struct check_remove_reference<T &> {};
+template <class T> struct check_remove_reference<T &&> {};
+
+template <class T>
+constexpr bool check_remove_qualifiers() {
+ static_assert(__is_same(__remove_const(const T), T), "");
+ static_assert(__is_same(__remove_const(volatile T), volatile T), "");
+ static_assert(__is_same(__remove_const(const volatile T), volatile T), "");
+
+ static_assert(__is_same(__remove_volatile(const T), const T), "");
+ static_assert(__is_same(__remove_volatile(volatile T), T), "");
+ static_assert(__is_same(__remove_volatile(const volatile T), const T), "");
+
+ static_assert(__is_same(__remove_cv(const T), T), "");
+ static_assert(__is_same(__remove_cv(volatile T), T), "");
+ static_assert(__is_same(__remove_cv(const volatile T), T), "");
+
+ check_remove_reference<T>();
+
+ return true;
+}
+
+static_assert(check_remove_qualifiers<void>(), "");
+static_assert(check_remove_qualifiers<int>(), "");
+static_assert(check_remove_qualifiers<int *>(), "");
+static_assert(check_remove_qualifiers<const int *>(), "");
+static_assert(check_remove_qualifiers<volatile int *>(), "");
+static_assert(check_remove_qualifiers<const volatile int *>(), "");
+static_assert(check_remove_qualifiers<int &>(), "");
+static_assert(check_remove_qualifiers<const int &>(), "");
+static_assert(check_remove_qualifiers<volatile int &>(), "");
+static_assert(check_remove_qualifiers<const volatile int &>(), "");
+static_assert(check_remove_qualifiers<int &&>(), "");
+static_assert(check_remove_qualifiers<const int &&>(), "");
+static_assert(check_remove_qualifiers<volatile int &&>(), "");
+static_assert(check_remove_qualifiers<const volatile int &&>(), "");
+static_assert(check_remove_qualifiers<int()>(), "");
+static_assert(check_remove_qualifiers<int (*)()>(), "");
+static_assert(check_remove_qualifiers<int (&)()>(), "");
+
+struct S {};
+static_assert(check_remove_qualifiers<S>(), "");
+static_assert(check_remove_qualifiers<int S::*>(), "");
+static_assert(check_remove_qualifiers<const int S::*>(), "");
+static_assert(check_remove_qualifiers<volatile int S::*>(), "");
+static_assert(check_remove_qualifiers<const volatile int S::*>(), "");
+static_assert(check_remove_qualifiers<int (S::*)()>(), "");
+static_assert(check_remove_qualifiers<int (S::*)() &>(), "");
+static_assert(check_remove_qualifiers<int (S::*)() &&>(), "");
+static_assert(check_remove_qualifiers<int (S::*)() const>(), "");
+static_assert(check_remove_qualifiers<int (S::*)() const &>(), "");
+static_assert(check_remove_qualifiers<int (S::*)() const &&>(), "");
+static_assert(check_remove_qualifiers<int (S::*)() volatile>(), "");
+static_assert(check_remove_qualifiers<int (S::*)() volatile &>(), "");
+static_assert(check_remove_qualifiers<int (S::*)() volatile &&>(), "");
+static_assert(check_remove_qualifiers<int (S::*)() const volatile>(), "");
+static_assert(check_remove_qualifiers<int (S::*)() const volatile &>(), "");
+static_assert(check_remove_qualifiers<int (S::*)() const volatile &&>(), "");
Index: clang/test/SemaCXX/add_cv.cpp
===================================================================
--- /dev/null
+++ clang/test/SemaCXX/add_cv.cpp
@@ -0,0 +1,41 @@
+// RUN: %clang_cc1 -std=c++11 %s
+
+template <class T>
+using add_const_t = __add_const(T);
+
+template <class T>
+constexpr bool check_add_cv() {
+ static_assert(__is_same(__add_const(T), const T), "");
+ static_assert(__is_same(__add_volatile(T), volatile T), "");
+ static_assert(__is_same(__add_cv(T), const volatile T), "");
+ return true;
+}
+
+static_assert(check_add_cv<void>(), "");
+static_assert(check_add_cv<int>(), "");
+static_assert(check_add_cv<const int>(), "");
+static_assert(check_add_cv<volatile int>(), "");
+static_assert(check_add_cv<const volatile int>(), "");
+static_assert(check_add_cv<int *>(), "");
+static_assert(check_add_cv<int &>(), "");
+static_assert(check_add_cv<int()>(), "");
+static_assert(check_add_cv<int (*)()>(), "");
+static_assert(check_add_cv<int (&)()>(), "");
+
+struct S {};
+static_assert(check_add_cv<S>(), "");
+static_assert(check_add_cv<const S>(), "");
+static_assert(check_add_cv<const volatile S>(), "");
+static_assert(check_add_cv<int S::*>(), "");
+static_assert(check_add_cv<int (S::*)()>(), "");
+static_assert(check_add_cv<int (S::*)() &>(), "");
+static_assert(check_add_cv<int (S::*)() &&>(), "");
+static_assert(check_add_cv<int (S::*)() const>(), "");
+static_assert(check_add_cv<int (S::*)() const &>(), "");
+static_assert(check_add_cv<int (S::*)() const &&>(), "");
+static_assert(check_add_cv<int (S::*)() volatile>(), "");
+static_assert(check_add_cv<int (S::*)() volatile &>(), "");
+static_assert(check_add_cv<int (S::*)() volatile &&>(), "");
+static_assert(check_add_cv<int (S::*)() const volatile>(), "");
+static_assert(check_add_cv<int (S::*)() const volatile &>(), "");
+static_assert(check_add_cv<int (S::*)() const volatile &&>(), "");
Index: clang/lib/Sema/SemaType.cpp
===================================================================
--- clang/lib/Sema/SemaType.cpp
+++ clang/lib/Sema/SemaType.cpp
@@ -22,6 +22,7 @@
#include "clang/AST/TypeLoc.h"
#include "clang/AST/TypeLocVisitor.h"
#include "clang/Basic/PartialDiagnostic.h"
+#include "clang/Basic/Specifiers.h"
#include "clang/Basic/TargetInfo.h"
#include "clang/Lex/Preprocessor.h"
#include "clang/Sema/DeclSpec.h"
@@ -1257,6 +1258,32 @@
return OpenCLAccessAttr::Keyword_read_only;
}
+static UnaryTransformType::UTTKind
+TSTToUnaryTransformType(DeclSpec::TST SwitchTST) {
+ switch (SwitchTST) {
+ case TST_add_const:
+ return UnaryTransformType::AddConst;
+ case TST_add_cv:
+ return UnaryTransformType::AddCV;
+ case TST_add_volatile:
+ return UnaryTransformType::AddVolatile;
+ case TST_remove_const:
+ return UnaryTransformType::RemoveConst;
+ case TST_remove_cv:
+ return UnaryTransformType::RemoveCV;
+ case TST_remove_cvref:
+ return UnaryTransformType::RemoveCVRef;
+ case TST_remove_reference:
+ return UnaryTransformType::RemoveReference;
+ case TST_remove_volatile:
+ return UnaryTransformType::RemoveVolatile;
+ case TST_underlyingType:
+ return UnaryTransformType::EnumUnderlyingType;
+ default:
+ llvm_unreachable("attempted to parse a non-unary transform builtin");
+ }
+}
+
/// Convert the specified declspec to the appropriate type
/// object.
/// \param state Specifies the declarator containing the declaration specifier
@@ -1640,13 +1667,22 @@
break;
}
case DeclSpec::TST_underlyingType:
+ case DeclSpec::TST_add_const:
+ case DeclSpec::TST_add_cv:
+ case DeclSpec::TST_add_volatile:
+ case DeclSpec::TST_remove_const:
+ case DeclSpec::TST_remove_cv:
+ case DeclSpec::TST_remove_cvref:
+ case DeclSpec::TST_remove_reference:
+ case DeclSpec::TST_remove_volatile:
Result = S.GetTypeFromParser(DS.getRepAsType());
- assert(!Result.isNull() && "Didn't get a type for __underlying_type?");
- Result = S.BuildUnaryTransformType(Result,
- UnaryTransformType::EnumUnderlyingType,
- DS.getTypeSpecTypeLoc());
+ assert(!Result.isNull() && "Didn't get a type for the transformation?");
+ Result = S.BuildUnaryTransformType(
+ Result, TSTToUnaryTransformType(DS.getTypeSpecType()),
+ DS.getTypeSpecTypeLoc());
if (Result.isNull()) {
- Result = Context.IntTy;
+ if (DS.getTypeSpecType() == DeclSpec::TST_underlyingType)
+ Result = Context.IntTy;
declarator.setInvalidType(true);
}
break;
@@ -5974,8 +6010,9 @@
TL.setUnderlyingTInfo(TInfo);
}
void VisitUnaryTransformTypeLoc(UnaryTransformTypeLoc TL) {
- // FIXME: This holds only because we only have one unary transform.
- assert(DS.getTypeSpecType() == DeclSpec::TST_underlyingType);
+ // Make sure it is a unary transform type
+ assert(DS.getTypeSpecType() >= DeclSpec::TST_underlyingType &&
+ DS.getTypeSpecType() <= DeclSpec::TST_remove_volatile);
TL.setKWLoc(DS.getTypeSpecTypeLoc());
TL.setParensRange(DS.getTypeofParensRange());
assert(DS.getRepAsType());
@@ -9065,6 +9102,53 @@
return Context.getUnaryTransformType(BaseType, Underlying,
UnaryTransformType::EnumUnderlyingType);
}
+ case UnaryTransformType::RemoveCVRef:
+ case UnaryTransformType::RemoveReference: {
+ QualType Underlying = BaseType.getNonReferenceType();
+ Qualifiers Quals = Underlying.getQualifiers();
+ if (UKind == UnaryTransformType::RemoveCVRef) {
+ Quals.removeConst();
+ Quals.removeVolatile();
+ }
+ return Context.getUnaryTransformType(
+ BaseType,
+ QualType(Underlying.getSplitUnqualifiedType().Ty,
+ Quals.getAsOpaqueValue()),
+ UKind);
+ }
+ case UnaryTransformType::AddConst:
+ case UnaryTransformType::AddCV:
+ case UnaryTransformType::AddVolatile:
+ case UnaryTransformType::RemoveConst:
+ case UnaryTransformType::RemoveCV:
+ case UnaryTransformType::RemoveVolatile: {
+ SplitQualType Split = BaseType.getSplitUnqualifiedType();
+ Qualifiers Quals = BaseType.getQualifiers();
+ if (BaseType->isReferenceType() || BaseType->isFunctionType())
+ return BaseType;
+ switch (UKind) {
+ case UnaryTransformType::AddConst:
+ Quals.addConst();
+ break;
+ case UnaryTransformType::AddCV:
+ Quals.addConst();
+ [[fallthrough]];
+ case UnaryTransformType::AddVolatile:
+ Quals.addVolatile();
+ break;
+ case UnaryTransformType::RemoveConst:
+ Quals.removeConst();
+ break;
+ case UnaryTransformType::RemoveCV:
+ Quals.removeConst();
+ [[fallthrough]];
+ case UnaryTransformType::RemoveVolatile:
+ Quals.removeVolatile();
+ break;
+ }
+ QualType Underlying(Split.Ty, Quals.getAsOpaqueValue());
+ return Context.getUnaryTransformType(BaseType, Underlying, UKind);
+ }
}
llvm_unreachable("unknown unary transform type");
}
Index: clang/lib/Sema/SemaTemplateVariadic.cpp
===================================================================
--- clang/lib/Sema/SemaTemplateVariadic.cpp
+++ clang/lib/Sema/SemaTemplateVariadic.cpp
@@ -861,6 +861,14 @@
case TST_typename:
case TST_typeofType:
case TST_underlyingType:
+ case TST_add_const:
+ case TST_add_cv:
+ case TST_add_volatile:
+ case TST_remove_const:
+ case TST_remove_cv:
+ case TST_remove_cvref:
+ case TST_remove_reference:
+ case TST_remove_volatile:
case TST_atomic: {
QualType T = DS.getRepAsType().get();
if (!T.isNull() && T->containsUnexpandedParameterPack())
Index: clang/lib/Sema/SemaDecl.cpp
===================================================================
--- clang/lib/Sema/SemaDecl.cpp
+++ clang/lib/Sema/SemaDecl.cpp
@@ -145,6 +145,14 @@
case tok::kw_wchar_t:
case tok::kw_bool:
case tok::kw___underlying_type:
+ case tok::kw___add_const:
+ case tok::kw___add_cv:
+ case tok::kw___add_volatile:
+ case tok::kw___remove_const:
+ case tok::kw___remove_cv:
+ case tok::kw___remove_cvref:
+ case tok::kw___remove_reference:
+ case tok::kw___remove_volatile:
case tok::kw___auto_type:
return true;
@@ -5599,6 +5607,14 @@
case DeclSpec::TST_typename:
case DeclSpec::TST_typeofType:
case DeclSpec::TST_underlyingType:
+ case DeclSpec::TST_add_const:
+ case DeclSpec::TST_add_cv:
+ case DeclSpec::TST_add_volatile:
+ case DeclSpec::TST_remove_const:
+ case DeclSpec::TST_remove_cv:
+ case DeclSpec::TST_remove_cvref:
+ case DeclSpec::TST_remove_reference:
+ case DeclSpec::TST_remove_volatile:
case DeclSpec::TST_atomic: {
// Grab the type from the parser.
TypeSourceInfo *TSI = nullptr;
Index: clang/lib/Sema/DeclSpec.cpp
===================================================================
--- clang/lib/Sema/DeclSpec.cpp
+++ clang/lib/Sema/DeclSpec.cpp
@@ -18,6 +18,7 @@
#include "clang/AST/TypeLoc.h"
#include "clang/Basic/LangOptions.h"
#include "clang/Basic/SourceManager.h"
+#include "clang/Basic/Specifiers.h"
#include "clang/Basic/TargetInfo.h"
#include "clang/Sema/ParsedTemplate.h"
#include "clang/Sema/Sema.h"
@@ -390,6 +391,14 @@
return false;
case TST_underlyingType:
+ case TST_add_const:
+ case TST_add_cv:
+ case TST_add_volatile:
+ case TST_remove_const:
+ case TST_remove_cv:
+ case TST_remove_cvref:
+ case TST_remove_reference:
+ case TST_remove_volatile:
case TST_typename:
case TST_typeofType: {
QualType QT = DS.getRepAsType().get();
@@ -577,6 +586,14 @@
case DeclSpec::TST_decltype: return "(decltype)";
case DeclSpec::TST_decltype_auto: return "decltype(auto)";
case DeclSpec::TST_underlyingType: return "__underlying_type";
+ case DeclSpec::TST_add_const: return "__add_const";
+ case DeclSpec::TST_add_cv: return "__add_cv";
+ case DeclSpec::TST_add_volatile: return "__add_volatile";
+ case DeclSpec::TST_remove_const: return "__remove_const";
+ case DeclSpec::TST_remove_cv: return "__remove_cv";
+ case DeclSpec::TST_remove_cvref: return "__remove_cvref";
+ case DeclSpec::TST_remove_reference: return "__remove_reference";
+ case DeclSpec::TST_remove_volatile: return "__remove_volatile";
case DeclSpec::TST_unknown_anytype: return "__unknown_anytype";
case DeclSpec::TST_atomic: return "_Atomic";
case DeclSpec::TST_BFloat16: return "__bf16";
Index: clang/lib/Parse/ParseDeclCXX.cpp
===================================================================
--- clang/lib/Parse/ParseDeclCXX.cpp
+++ clang/lib/Parse/ParseDeclCXX.cpp
@@ -1508,61 +1508,68 @@
// C++11 attributes
SourceLocation AttrFixitLoc = Tok.getLocation();
- if (TagType == DeclSpec::TST_struct &&
- Tok.isNot(tok::identifier) &&
- !Tok.isAnnotation() &&
- Tok.getIdentifierInfo() &&
- Tok.isOneOf(tok::kw___is_abstract,
- tok::kw___is_aggregate,
- tok::kw___is_arithmetic,
- tok::kw___is_array,
- tok::kw___is_assignable,
- tok::kw___is_base_of,
- tok::kw___is_class,
- tok::kw___is_complete_type,
- tok::kw___is_compound,
- tok::kw___is_const,
- tok::kw___is_constructible,
- tok::kw___is_convertible,
- tok::kw___is_convertible_to,
- tok::kw___is_destructible,
- tok::kw___is_empty,
- tok::kw___is_enum,
- tok::kw___is_floating_point,
- tok::kw___is_final,
- tok::kw___is_function,
- tok::kw___is_fundamental,
- tok::kw___is_integral,
- tok::kw___is_interface_class,
- tok::kw___is_literal,
- tok::kw___is_lvalue_expr,
- tok::kw___is_lvalue_reference,
- tok::kw___is_member_function_pointer,
- tok::kw___is_member_object_pointer,
- tok::kw___is_member_pointer,
- tok::kw___is_nothrow_assignable,
- tok::kw___is_nothrow_constructible,
- tok::kw___is_nothrow_destructible,
- tok::kw___is_object,
- tok::kw___is_pod,
- tok::kw___is_pointer,
- tok::kw___is_polymorphic,
- tok::kw___is_reference,
- tok::kw___is_rvalue_expr,
- tok::kw___is_rvalue_reference,
- tok::kw___is_same,
- tok::kw___is_scalar,
- tok::kw___is_sealed,
- tok::kw___is_signed,
- tok::kw___is_standard_layout,
- tok::kw___is_trivial,
- tok::kw___is_trivially_assignable,
- tok::kw___is_trivially_constructible,
- tok::kw___is_trivially_copyable,
- tok::kw___is_union,
- tok::kw___is_unsigned,
- tok::kw___is_void,
- tok::kw___is_volatile))
+ if (TagType == DeclSpec::TST_struct && Tok.isNot(tok::identifier) &&
+ !Tok.isAnnotation() && Tok.getIdentifierInfo() &&
+ Tok.isOneOf( // clang-format off
+ tok::kw___add_const,
+ tok::kw___add_cv,
+ tok::kw___add_volatile,
+ tok::kw___is_abstract,
+ tok::kw___is_aggregate,
+ tok::kw___is_arithmetic,
+ tok::kw___is_array,
+ tok::kw___is_assignable,
+ tok::kw___is_base_of,
+ tok::kw___is_class,
+ tok::kw___is_complete_type,
+ tok::kw___is_compound,
+ tok::kw___is_const,
+ tok::kw___is_constructible,
+ tok::kw___is_convertible,
+ tok::kw___is_convertible_to,
+ tok::kw___is_destructible,
+ tok::kw___is_empty,
+ tok::kw___is_enum,
+ tok::kw___is_floating_point,
+ tok::kw___is_final,
+ tok::kw___is_function,
+ tok::kw___is_fundamental,
+ tok::kw___is_integral,
+ tok::kw___is_interface_class,
+ tok::kw___is_literal,
+ tok::kw___is_lvalue_expr,
+ tok::kw___is_lvalue_reference,
+ tok::kw___is_member_function_pointer,
+ tok::kw___is_member_object_pointer,
+ tok::kw___is_member_pointer,
+ tok::kw___is_nothrow_assignable,
+ tok::kw___is_nothrow_constructible,
+ tok::kw___is_nothrow_destructible,
+ tok::kw___is_object,
+ tok::kw___is_pod,
+ tok::kw___is_pointer,
+ tok::kw___is_polymorphic,
+ tok::kw___is_reference,
+ tok::kw___is_rvalue_expr,
+ tok::kw___is_rvalue_reference,
+ tok::kw___is_same,
+ tok::kw___is_scalar,
+ tok::kw___is_sealed,
+ tok::kw___is_signed,
+ tok::kw___is_standard_layout,
+ tok::kw___is_trivial,
+ tok::kw___is_trivially_assignable,
+ tok::kw___is_trivially_constructible,
+ tok::kw___is_trivially_copyable,
+ tok::kw___is_union,
+ tok::kw___is_unsigned,
+ tok::kw___is_void,
+ tok::kw___is_volatile,
+ tok::kw___remove_const,
+ tok::kw___remove_cv,
+ tok::kw___remove_cvref,
+ tok::kw___remove_reference,
+ tok::kw___remove_volatile)) // clang-format on
// GNU libstdc++ 4.2 and libc++ use certain intrinsic names as the
// name of struct templates, but some are keywords in GCC >= 4.3
// and Clang. Therefore, when we see the token sequence "struct
Index: clang/lib/Parse/ParseDecl.cpp
===================================================================
--- clang/lib/Parse/ParseDecl.cpp
+++ clang/lib/Parse/ParseDecl.cpp
@@ -4115,6 +4115,17 @@
ParseUnderlyingTypeSpecifier(DS);
continue;
+ case tok::kw___add_const:
+ case tok::kw___add_cv:
+ case tok::kw___add_volatile:
+ case tok::kw___remove_const:
+ case tok::kw___remove_cv:
+ case tok::kw___remove_cvref:
+ case tok::kw___remove_reference:
+ case tok::kw___remove_volatile:
+ ParseTypeTransformTypeSpecifier(DS);
+ continue;
+
case tok::kw__Atomic:
// C11 6.7.2.4/4:
// If the _Atomic keyword is immediately followed by a left parenthesis,
@@ -4215,6 +4226,57 @@
}
}
+DeclSpec::TST Parser::TypeTransformTokToDeclSpec() {
+ switch (Tok.getKind()) {
+ case tok::kw___add_const:
+ return DeclSpec::TST_add_const;
+ case tok::kw___add_cv:
+ return DeclSpec::TST_add_cv;
+ case tok::kw___add_volatile:
+ return DeclSpec::TST_add_volatile;
+ case tok::kw___remove_const:
+ return DeclSpec::TST_remove_const;
+ case tok::kw___remove_cv:
+ return DeclSpec::TST_remove_cv;
+ case tok::kw___remove_cvref:
+ return DeclSpec::TST_remove_cvref;
+ case tok::kw___remove_reference:
+ return DeclSpec::TST_remove_reference;
+ case tok::kw___remove_volatile:
+ return DeclSpec::TST_remove_volatile;
+ }
+
+ __builtin_unreachable();
+}
+
+void Parser::ParseTypeTransformTypeSpecifier(DeclSpec &DS) {
+ DeclSpec::TST TypeTransformTST = TypeTransformTokToDeclSpec();
+ SourceLocation StartLoc = ConsumeToken();
+ BalancedDelimiterTracker T(*this, tok::l_paren);
+ if (T.expectAndConsume(diag::err_expected_lparen_after,
+ "type transformation builtin", tok::r_paren))
+ return;
+
+ TypeResult BaseTyResult = ParseTypeName();
+ if (BaseTyResult.isInvalid()) {
+ SkipUntil(tok::r_paren, StopAtSemi);
+ return;
+ }
+
+ T.consumeClose();
+ if (T.getCloseLocation().isInvalid())
+ return;
+
+ const char *PrevSpec;
+ unsigned DiagID;
+ if (DS.SetTypeSpecType(TypeTransformTST, StartLoc, PrevSpec, DiagID,
+ BaseTyResult.get(),
+ Actions.getASTContext().getPrintingPolicy())) {
+ Diag(StartLoc, DiagID) << PrevSpec;
+ }
+ DS.setTypeofParensRange(T.getRange());
+}
+
/// ParseStructDeclaration - Parse a struct declaration without the terminating
/// semicolon.
///
Index: clang/lib/Lex/PPMacroExpansion.cpp
===================================================================
--- clang/lib/Lex/PPMacroExpansion.cpp
+++ clang/lib/Lex/PPMacroExpansion.cpp
@@ -1658,6 +1658,14 @@
.Case("__array_extent", true)
.Case("__reference_binds_to_temporary", true)
.Case("__underlying_type", true)
+ .Case("__add_const", true)
+ .Case("__add_cv", true)
+ .Case("__add_volatile", true)
+ .Case("__remove_const", true)
+ .Case("__remove_cv", true)
+ .Case("__remove_cvref", true)
+ .Case("__remove_reference", true)
+ .Case("__remove_volatile", true)
.Default(false);
} else {
return llvm::StringSwitch<bool>(II->getName())
Index: clang/lib/Format/FormatToken.cpp
===================================================================
--- clang/lib/Format/FormatToken.cpp
+++ clang/lib/Format/FormatToken.cpp
@@ -57,6 +57,14 @@
case tok::kw_wchar_t:
case tok::kw_bool:
case tok::kw___underlying_type:
+ case tok::kw___add_const:
+ case tok::kw___add_cv:
+ case tok::kw___add_volatile:
+ case tok::kw___remove_const:
+ case tok::kw___remove_cv:
+ case tok::kw___remove_cvref:
+ case tok::kw___remove_reference:
+ case tok::kw___remove_volatile:
case tok::annot_typename:
case tok::kw_char8_t:
case tok::kw_char16_t:
Index: clang/lib/AST/TypePrinter.cpp
===================================================================
--- clang/lib/AST/TypePrinter.cpp
+++ clang/lib/AST/TypePrinter.cpp
@@ -22,6 +22,7 @@
#include "clang/AST/PrettyPrinter.h"
#include "clang/AST/TemplateBase.h"
#include "clang/AST/TemplateName.h"
+#include "clang/AST/TextNodeDumper.h"
#include "clang/AST/Type.h"
#include "clang/Basic/AddressSpaces.h"
#include "clang/Basic/ExceptionSpecificationType.h"
@@ -1119,11 +1120,24 @@
switch (T->getUTTKind()) {
case UnaryTransformType::EnumUnderlyingType:
- OS << "__underlying_type(";
+ case UnaryTransformType::AddConst:
+ case UnaryTransformType::AddCV:
+ case UnaryTransformType::AddVolatile:
+ case UnaryTransformType::RemoveConst:
+ case UnaryTransformType::RemoveCV:
+ case UnaryTransformType::RemoveCVRef:
+ case UnaryTransformType::RemoveReference:
+ case UnaryTransformType::RemoveVolatile: {
+ constexpr std::array<const char *, 9> Transformation = {
+ "__underlying_type", "__add_const", "__add_cv",
+ "__add_volatile", "__remove_const", "__remove_cv",
+ "__remove_cvref", "__remove_reference", "__remove_volatile"};
+ OS << Transformation[T->getUTTKind()] << '(';
print(T->getBaseType(), OS, StringRef());
OS << ')';
spaceBeforePlaceHolder(OS);
return;
+ }
}
printBefore(T->getBaseType(), OS);
@@ -1135,6 +1149,14 @@
switch (T->getUTTKind()) {
case UnaryTransformType::EnumUnderlyingType:
+ case UnaryTransformType::AddConst:
+ case UnaryTransformType::AddCV:
+ case UnaryTransformType::AddVolatile:
+ case UnaryTransformType::RemoveConst:
+ case UnaryTransformType::RemoveCV:
+ case UnaryTransformType::RemoveCVRef:
+ case UnaryTransformType::RemoveReference:
+ case UnaryTransformType::RemoveVolatile:
return;
}
Index: clang/lib/AST/TextNodeDumper.cpp
===================================================================
--- clang/lib/AST/TextNodeDumper.cpp
+++ clang/lib/AST/TextNodeDumper.cpp
@@ -1547,6 +1547,30 @@
case UnaryTransformType::EnumUnderlyingType:
OS << " underlying_type";
break;
+ case UnaryTransformType::AddConst:
+ OS << " add_const";
+ break;
+ case UnaryTransformType::AddCV:
+ OS << " add_cv";
+ break;
+ case UnaryTransformType::AddVolatile:
+ OS << " add_volatile";
+ break;
+ case UnaryTransformType::RemoveConst:
+ OS << " remove_const";
+ break;
+ case UnaryTransformType::RemoveCV:
+ OS << " remove_cv";
+ break;
+ case UnaryTransformType::RemoveCVRef:
+ OS << " remove_cvref";
+ break;
+ case UnaryTransformType::RemoveReference:
+ OS << " remove_reference";
+ break;
+ case UnaryTransformType::RemoveVolatile:
+ OS << " remove_volatile";
+ break;
}
}
Index: clang/lib/AST/JSONNodeDumper.cpp
===================================================================
--- clang/lib/AST/JSONNodeDumper.cpp
+++ clang/lib/AST/JSONNodeDumper.cpp
@@ -665,6 +665,30 @@
case UnaryTransformType::EnumUnderlyingType:
JOS.attribute("transformKind", "underlying_type");
break;
+ case UnaryTransformType::AddConst:
+ JOS.attribute("transformedKind", "add_const");
+ break;
+ case UnaryTransformType::AddCV:
+ JOS.attribute("transformedKind", "add_cv");
+ break;
+ case UnaryTransformType::AddVolatile:
+ JOS.attribute("transformedKind", "add_volatile");
+ break;
+ case UnaryTransformType::RemoveConst:
+ JOS.attribute("transformedKind", "remove_const");
+ break;
+ case UnaryTransformType::RemoveCV:
+ JOS.attribute("transformedKind", "remove_cv");
+ break;
+ case UnaryTransformType::RemoveCVRef:
+ JOS.attribute("transformedKind", "remove_cvref");
+ break;
+ case UnaryTransformType::RemoveReference:
+ JOS.attribute("transformedKind", "remove_reference");
+ break;
+ case UnaryTransformType::RemoveVolatile:
+ JOS.attribute("transformedKind", "remove_volatile");
+ break;
}
}
Index: clang/lib/AST/ItaniumMangle.cpp
===================================================================
--- clang/lib/AST/ItaniumMangle.cpp
+++ clang/lib/AST/ItaniumMangle.cpp
@@ -3925,6 +3925,30 @@
case UnaryTransformType::EnumUnderlyingType:
Out << "3eut";
break;
+ case UnaryTransformType::AddConst:
+ Out << "3ac";
+ break;
+ case UnaryTransformType::AddCV:
+ Out << "3acv";
+ break;
+ case UnaryTransformType::AddVolatile:
+ Out << "3av";
+ break;
+ case UnaryTransformType::RemoveConst:
+ Out << "3rc";
+ break;
+ case UnaryTransformType::RemoveCV:
+ Out << "3rcv";
+ break;
+ case UnaryTransformType::RemoveCVRef:
+ Out << "3rcvr";
+ break;
+ case UnaryTransformType::RemoveReference:
+ Out << "3rr";
+ break;
+ case UnaryTransformType::RemoveVolatile:
+ Out << "3rv";
+ break;
}
}
Index: clang/include/clang/Sema/DeclSpec.h
===================================================================
--- clang/include/clang/Sema/DeclSpec.h
+++ clang/include/clang/Sema/DeclSpec.h
@@ -291,6 +291,14 @@
static const TST TST_decltype = clang::TST_decltype;
static const TST TST_decltype_auto = clang::TST_decltype_auto;
static const TST TST_underlyingType = clang::TST_underlyingType;
+ static const TST TST_add_const = clang::TST_add_const;
+ static const TST TST_add_cv = clang::TST_add_cv;
+ static const TST TST_add_volatile = clang::TST_add_volatile;
+ static const TST TST_remove_const = clang::TST_remove_const;
+ static const TST TST_remove_cv = clang::TST_remove_cv;
+ static const TST TST_remove_cvref = clang::TST_remove_cvref;
+ static const TST TST_remove_reference = clang::TST_remove_reference;
+ static const TST TST_remove_volatile = clang::TST_remove_volatile;
static const TST TST_auto = clang::TST_auto;
static const TST TST_auto_type = clang::TST_auto_type;
static const TST TST_unknown_anytype = clang::TST_unknown_anytype;
Index: clang/include/clang/Parse/Parser.h
===================================================================
--- clang/include/clang/Parse/Parser.h
+++ clang/include/clang/Parse/Parser.h
@@ -3034,6 +3034,8 @@
SourceLocation &EllipsisLoc);
void ParseBracketDeclarator(Declarator &D);
void ParseMisplacedBracketDeclarator(Declarator &D);
+ void ParseTypeTransformTypeSpecifier(DeclSpec &DS);
+ DeclSpec::TST TypeTransformTokToDeclSpec();
//===--------------------------------------------------------------------===//
// C++ 7: Declarations [dcl.dcl]
Index: clang/include/clang/Basic/TokenKinds.def
===================================================================
--- clang/include/clang/Basic/TokenKinds.def
+++ clang/include/clang/Basic/TokenKinds.def
@@ -508,6 +508,14 @@
TYPE_TRAIT_1(__has_unique_object_representations,
HasUniqueObjectRepresentations, KEYCXX)
KEYWORD(__underlying_type , KEYCXX)
+KEYWORD(__add_const, KEYCXX)
+KEYWORD(__add_cv, KEYCXX)
+KEYWORD(__add_volatile, KEYCXX)
+KEYWORD(__remove_const, KEYCXX)
+KEYWORD(__remove_cv, KEYCXX)
+KEYWORD(__remove_cvref, KEYCXX)
+KEYWORD(__remove_reference, KEYCXX)
+KEYWORD(__remove_volatile, KEYCXX)
// Clang-only C++ Type Traits
TYPE_TRAIT_2(__reference_binds_to_temporary, ReferenceBindsToTemporary, KEYCXX)
Index: clang/include/clang/Basic/Specifiers.h
===================================================================
--- clang/include/clang/Basic/Specifiers.h
+++ clang/include/clang/Basic/Specifiers.h
@@ -53,41 +53,49 @@
TST_unspecified,
TST_void,
TST_char,
- TST_wchar, // C++ wchar_t
- TST_char8, // C++20 char8_t (proposed)
- TST_char16, // C++11 char16_t
- TST_char32, // C++11 char32_t
+ TST_wchar, // C++ wchar_t
+ TST_char8, // C++20 char8_t (proposed)
+ TST_char16, // C++11 char16_t
+ TST_char32, // C++11 char32_t
TST_int,
TST_int128,
- TST_bitint, // Bit-precise integer types.
- TST_half, // OpenCL half, ARM NEON __fp16
- TST_Float16, // C11 extension ISO/IEC TS 18661-3
- TST_Accum, // ISO/IEC JTC1 SC22 WG14 N1169 Extension
+ TST_bitint, // Bit-precise integer types.
+ TST_half, // OpenCL half, ARM NEON __fp16
+ TST_Float16, // C11 extension ISO/IEC TS 18661-3
+ TST_Accum, // ISO/IEC JTC1 SC22 WG14 N1169 Extension
TST_Fract,
TST_BFloat16,
TST_float,
TST_double,
TST_float128,
TST_ibm128,
- TST_bool, // _Bool
- TST_decimal32, // _Decimal32
- TST_decimal64, // _Decimal64
- TST_decimal128, // _Decimal128
+ TST_bool, // _Bool
+ TST_decimal32, // _Decimal32
+ TST_decimal64, // _Decimal64
+ TST_decimal128, // _Decimal128
TST_enum,
TST_union,
TST_struct,
- TST_class, // C++ class type
- TST_interface, // C++ (Microsoft-specific) __interface type
- TST_typename, // Typedef, C++ class-name or enum name, etc.
+ TST_class, // C++ class type
+ TST_interface, // C++ (Microsoft-specific) __interface type
+ TST_typename, // Typedef, C++ class-name or enum name, etc.
TST_typeofType,
TST_typeofExpr,
TST_decltype, // C++11 decltype
TST_underlyingType, // __underlying_type for C++11
+ TST_add_const, // __add_const extension
+ TST_add_cv, // __add_cv extension
+ TST_add_volatile, // __add_volatile extension
+ TST_remove_const, // __remove_const extension
+ TST_remove_cv, // __remove_cv extension
+ TST_remove_cvref, // __remove_cvref extension
+ TST_remove_reference, // __remove_reference extension
+ TST_remove_volatile, // __remove_volatile extension
TST_auto, // C++11 auto
TST_decltype_auto, // C++1y decltype(auto)
TST_auto_type, // __auto_type extension
TST_unknown_anytype, // __unknown_anytype extension
- TST_atomic, // C11 _Atomic
+ TST_atomic, // C11 _Atomic,
#define GENERIC_IMAGE_TYPE(ImgType, Id) TST_##ImgType##_t, // OpenCL image types
#include "clang/Basic/OpenCLImageTypes.def"
TST_error // erroneous type
Index: clang/include/clang/AST/Type.h
===================================================================
--- clang/include/clang/AST/Type.h
+++ clang/include/clang/AST/Type.h
@@ -4553,7 +4553,15 @@
class UnaryTransformType : public Type {
public:
enum UTTKind {
- EnumUnderlyingType
+ EnumUnderlyingType,
+ AddCV,
+ AddConst,
+ AddVolatile,
+ RemoveConst,
+ RemoveCV,
+ RemoveCVRef,
+ RemoveReference,
+ RemoveVolatile,
};
private:
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