diff options
Diffstat (limited to 'clang/lib/Sema')
| -rw-r--r-- | clang/lib/Sema/SemaDeclAttr.cpp | 168 |
1 files changed, 125 insertions, 43 deletions
diff --git a/clang/lib/Sema/SemaDeclAttr.cpp b/clang/lib/Sema/SemaDeclAttr.cpp index 2405d52890c..f40f125683b 100644 --- a/clang/lib/Sema/SemaDeclAttr.cpp +++ b/clang/lib/Sema/SemaDeclAttr.cpp @@ -1825,15 +1825,94 @@ static void HandleFinalAttr(Decl *d, const AttributeList &Attr, Sema &S) { << Attr.getName() << 7 /*virtual method or class*/; return; } - - // FIXME: Check that it's not specified more than once in an attribute- - // specifier and that it conforms to the C++0x rules for - // redeclarations. + + // FIXME: Conform to C++0x redeclaration rules. + + if (d->getAttr<FinalAttr>()) { + S.Diag(Attr.getLoc(), diag::err_repeat_attribute) << "final"; + return; + } d->addAttr(::new (S.Context) FinalAttr()); } //===----------------------------------------------------------------------===// +// C++0x member checking attributes +//===----------------------------------------------------------------------===// + +static void HandleBaseCheckAttr(Decl *d, const AttributeList &Attr, Sema &S) { + if (Attr.getNumArgs() != 0) { + S.Diag(Attr.getLoc(), diag::err_attribute_wrong_number_arguments) << 0; + return; + } + + if (!isa<CXXRecordDecl>(d)) { + S.Diag(Attr.getLoc(), + Attr.isCXX0XAttribute() ? diag::err_attribute_wrong_decl_type + : diag::warn_attribute_wrong_decl_type) + << Attr.getName() << 9 /*class*/; + return; + } + + if (d->getAttr<BaseCheckAttr>()) { + S.Diag(Attr.getLoc(), diag::err_repeat_attribute) << "base_check"; + return; + } + + d->addAttr(::new (S.Context) BaseCheckAttr()); +} + +static void HandleHidingAttr(Decl *d, const AttributeList &Attr, Sema &S) { + if (Attr.getNumArgs() != 0) { + S.Diag(Attr.getLoc(), diag::err_attribute_wrong_number_arguments) << 0; + return; + } + + if (!isa<RecordDecl>(d->getDeclContext())) { + // FIXME: It's not the type that's the problem + S.Diag(Attr.getLoc(), + Attr.isCXX0XAttribute() ? diag::err_attribute_wrong_decl_type + : diag::warn_attribute_wrong_decl_type) + << Attr.getName() << 11 /*member*/; + return; + } + + // FIXME: Conform to C++0x redeclaration rules. + + if (d->getAttr<HidingAttr>()) { + S.Diag(Attr.getLoc(), diag::err_repeat_attribute) << "hiding"; + return; + } + + d->addAttr(::new (S.Context) HidingAttr()); +} + +static void HandleOverrideAttr(Decl *d, const AttributeList &Attr, Sema &S) { + if (Attr.getNumArgs() != 0) { + S.Diag(Attr.getLoc(), diag::err_attribute_wrong_number_arguments) << 0; + return; + } + + if (!isa<CXXMethodDecl>(d) || !cast<CXXMethodDecl>(d)->isVirtual()) { + // FIXME: It's not the type that's the problem + S.Diag(Attr.getLoc(), + Attr.isCXX0XAttribute() ? diag::err_attribute_wrong_decl_type + : diag::warn_attribute_wrong_decl_type) + << Attr.getName() << 10 /*virtual method*/; + return; + } + + // FIXME: Conform to C++0x redeclaration rules. + + if (d->getAttr<OverrideAttr>()) { + S.Diag(Attr.getLoc(), diag::err_repeat_attribute) << "override"; + return; + } + + d->addAttr(::new (S.Context) OverrideAttr()); +} + +//===----------------------------------------------------------------------===// // Checker-specific attribute handlers. //===----------------------------------------------------------------------===// @@ -1894,34 +1973,37 @@ static void ProcessDeclAttribute(Scope *scope, Decl *D, // Ignore these, these are type attributes, handled by // ProcessTypeAttributes. break; - case AttributeList::AT_alias: HandleAliasAttr (D, Attr, S); break; - case AttributeList::AT_aligned: HandleAlignedAttr (D, Attr, S); break; + case AttributeList::AT_alias: HandleAliasAttr (D, Attr, S); break; + case AttributeList::AT_aligned: HandleAlignedAttr (D, Attr, S); break; case AttributeList::AT_always_inline: HandleAlwaysInlineAttr (D, Attr, S); break; case AttributeList::AT_analyzer_noreturn: HandleAnalyzerNoReturnAttr (D, Attr, S); break; - case AttributeList::AT_annotate: HandleAnnotateAttr (D, Attr, S); break; + case AttributeList::AT_annotate: HandleAnnotateAttr (D, Attr, S); break; + case AttributeList::AT_base_check: HandleBaseCheckAttr (D, Attr, S); break; case AttributeList::AT_carries_dependency: - HandleDependencyAttr (D, Attr, S); break; - case AttributeList::AT_cdecl: HandleCDeclAttr (D, Attr, S); break; - case AttributeList::AT_constructor: HandleConstructorAttr(D, Attr, S); break; - case AttributeList::AT_deprecated: HandleDeprecatedAttr(D, Attr, S); break; - case AttributeList::AT_destructor: HandleDestructorAttr(D, Attr, S); break; - case AttributeList::AT_dllexport: HandleDLLExportAttr (D, Attr, S); break; - case AttributeList::AT_dllimport: HandleDLLImportAttr (D, Attr, S); break; + HandleDependencyAttr (D, Attr, S); break; + case AttributeList::AT_cdecl: HandleCDeclAttr (D, Attr, S); break; + case AttributeList::AT_constructor: HandleConstructorAttr (D, Attr, S); break; + case AttributeList::AT_deprecated: HandleDeprecatedAttr (D, Attr, S); break; + case AttributeList::AT_destructor: HandleDestructorAttr (D, Attr, S); break; + case AttributeList::AT_dllexport: HandleDLLExportAttr (D, Attr, S); break; + case AttributeList::AT_dllimport: HandleDLLImportAttr (D, Attr, S); break; case AttributeList::AT_ext_vector_type: HandleExtVectorTypeAttr(scope, D, Attr, S); break; - case AttributeList::AT_fastcall: HandleFastCallAttr (D, Attr, S); break; - case AttributeList::AT_final: HandleFinalAttr (D, Attr, S); break; - case AttributeList::AT_format: HandleFormatAttr (D, Attr, S); break; - case AttributeList::AT_format_arg: HandleFormatArgAttr (D, Attr, S); break; - case AttributeList::AT_gnu_inline: HandleGNUInlineAttr (D, Attr, S); break; - case AttributeList::AT_mode: HandleModeAttr (D, Attr, S); break; - case AttributeList::AT_malloc: HandleMallocAttr (D, Attr, S); break; - case AttributeList::AT_nonnull: HandleNonNullAttr (D, Attr, S); break; - case AttributeList::AT_noreturn: HandleNoReturnAttr (D, Attr, S); break; - case AttributeList::AT_nothrow: HandleNothrowAttr (D, Attr, S); break; + case AttributeList::AT_fastcall: HandleFastCallAttr (D, Attr, S); break; + case AttributeList::AT_final: HandleFinalAttr (D, Attr, S); break; + case AttributeList::AT_format: HandleFormatAttr (D, Attr, S); break; + case AttributeList::AT_format_arg: HandleFormatArgAttr (D, Attr, S); break; + case AttributeList::AT_gnu_inline: HandleGNUInlineAttr (D, Attr, S); break; + case AttributeList::AT_hiding: HandleHidingAttr (D, Attr, S); break; + case AttributeList::AT_mode: HandleModeAttr (D, Attr, S); break; + case AttributeList::AT_malloc: HandleMallocAttr (D, Attr, S); break; + case AttributeList::AT_nonnull: HandleNonNullAttr (D, Attr, S); break; + case AttributeList::AT_noreturn: HandleNoReturnAttr (D, Attr, S); break; + case AttributeList::AT_nothrow: HandleNothrowAttr (D, Attr, S); break; + case AttributeList::AT_override: HandleOverrideAttr (D, Attr, S); break; // Checker-specific. case AttributeList::AT_ns_returns_retained: @@ -1931,18 +2013,18 @@ static void ProcessDeclAttribute(Scope *scope, Decl *D, case AttributeList::AT_reqd_wg_size: HandleReqdWorkGroupSize(D, Attr, S); break; - case AttributeList::AT_packed: HandlePackedAttr (D, Attr, S); break; - case AttributeList::AT_section: HandleSectionAttr (D, Attr, S); break; - case AttributeList::AT_stdcall: HandleStdCallAttr (D, Attr, S); break; - case AttributeList::AT_unavailable: HandleUnavailableAttr(D, Attr, S); break; - case AttributeList::AT_unused: HandleUnusedAttr (D, Attr, S); break; - case AttributeList::AT_used: HandleUsedAttr (D, Attr, S); break; - case AttributeList::AT_vector_size: HandleVectorSizeAttr(D, Attr, S); break; - case AttributeList::AT_visibility: HandleVisibilityAttr(D, Attr, S); break; + case AttributeList::AT_packed: HandlePackedAttr (D, Attr, S); break; + case AttributeList::AT_section: HandleSectionAttr (D, Attr, S); break; + case AttributeList::AT_stdcall: HandleStdCallAttr (D, Attr, S); break; + case AttributeList::AT_unavailable: HandleUnavailableAttr (D, Attr, S); break; + case AttributeList::AT_unused: HandleUnusedAttr (D, Attr, S); break; + case AttributeList::AT_used: HandleUsedAttr (D, Attr, S); break; + case AttributeList::AT_vector_size: HandleVectorSizeAttr (D, Attr, S); break; + case AttributeList::AT_visibility: HandleVisibilityAttr (D, Attr, S); break; case AttributeList::AT_warn_unused_result: HandleWarnUnusedResult(D,Attr,S); break; - case AttributeList::AT_weak: HandleWeakAttr (D, Attr, S); break; - case AttributeList::AT_weak_import: HandleWeakImportAttr(D, Attr, S); break; + case AttributeList::AT_weak: HandleWeakAttr (D, Attr, S); break; + case AttributeList::AT_weak_import: HandleWeakImportAttr (D, Attr, S); break; case AttributeList::AT_transparent_union: HandleTransparentUnionAttr(D, Attr, S); break; @@ -1950,15 +2032,15 @@ static void ProcessDeclAttribute(Scope *scope, Decl *D, HandleObjCExceptionAttr(D, Attr, S); break; case AttributeList::AT_overloadable:HandleOverloadableAttr(D, Attr, S); break; - case AttributeList::AT_nsobject: HandleObjCNSObject (D, Attr, S); break; - case AttributeList::AT_blocks: HandleBlocksAttr (D, Attr, S); break; - case AttributeList::AT_sentinel: HandleSentinelAttr (D, Attr, S); break; - case AttributeList::AT_const: HandleConstAttr (D, Attr, S); break; - case AttributeList::AT_pure: HandlePureAttr (D, Attr, S); break; - case AttributeList::AT_cleanup: HandleCleanupAttr (D, Attr, S); break; - case AttributeList::AT_nodebug: HandleNoDebugAttr (D, Attr, S); break; - case AttributeList::AT_noinline: HandleNoInlineAttr (D, Attr, S); break; - case AttributeList::AT_regparm: HandleRegparmAttr (D, Attr, S); break; + case AttributeList::AT_nsobject: HandleObjCNSObject (D, Attr, S); break; + case AttributeList::AT_blocks: HandleBlocksAttr (D, Attr, S); break; + case AttributeList::AT_sentinel: HandleSentinelAttr (D, Attr, S); break; + case AttributeList::AT_const: HandleConstAttr (D, Attr, S); break; + case AttributeList::AT_pure: HandlePureAttr (D, Attr, S); break; + case AttributeList::AT_cleanup: HandleCleanupAttr (D, Attr, S); break; + case AttributeList::AT_nodebug: HandleNoDebugAttr (D, Attr, S); break; + case AttributeList::AT_noinline: HandleNoInlineAttr (D, Attr, S); break; + case AttributeList::AT_regparm: HandleRegparmAttr (D, Attr, S); break; case AttributeList::IgnoredAttribute: case AttributeList::AT_no_instrument_function: // Interacts with -pg. // Just ignore |
