| //===--- Sema.h - Semantic Analysis & AST Building --------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file defines the Sema class, which performs semantic analysis and |
| // builds ASTs. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_CLANG_SEMA_SEMA_H |
| #define LLVM_CLANG_SEMA_SEMA_H |
| |
| #include "clang/Sema/Ownership.h" |
| #include "clang/Sema/AnalysisBasedWarnings.h" |
| #include "clang/Sema/IdentifierResolver.h" |
| #include "clang/Sema/ObjCMethodList.h" |
| #include "clang/Sema/DeclSpec.h" |
| #include "clang/Sema/ExternalSemaSource.h" |
| #include "clang/Sema/LocInfoType.h" |
| #include "clang/Sema/MultiInitializer.h" |
| #include "clang/Sema/TypoCorrection.h" |
| #include "clang/Sema/Weak.h" |
| #include "clang/AST/Expr.h" |
| #include "clang/AST/DeclarationName.h" |
| #include "clang/AST/ExternalASTSource.h" |
| #include "clang/AST/TypeLoc.h" |
| #include "clang/Basic/Specifiers.h" |
| #include "clang/Basic/TemplateKinds.h" |
| #include "clang/Basic/TypeTraits.h" |
| #include "clang/Basic/ExpressionTraits.h" |
| #include "llvm/ADT/ArrayRef.h" |
| #include "llvm/ADT/OwningPtr.h" |
| #include "llvm/ADT/SmallPtrSet.h" |
| #include "llvm/ADT/SmallVector.h" |
| #include <deque> |
| #include <string> |
| |
| namespace llvm { |
| class APSInt; |
| template <typename ValueT> struct DenseMapInfo; |
| template <typename ValueT, typename ValueInfoT> class DenseSet; |
| } |
| |
| namespace clang { |
| class ADLResult; |
| class ASTConsumer; |
| class ASTContext; |
| class ASTMutationListener; |
| class ASTReader; |
| class ASTWriter; |
| class ArrayType; |
| class AttributeList; |
| class BlockDecl; |
| class CXXBasePath; |
| class CXXBasePaths; |
| typedef SmallVector<CXXBaseSpecifier*, 4> CXXCastPath; |
| class CXXConstructorDecl; |
| class CXXConversionDecl; |
| class CXXDestructorDecl; |
| class CXXFieldCollector; |
| class CXXMemberCallExpr; |
| class CXXMethodDecl; |
| class CXXScopeSpec; |
| class CXXTemporary; |
| class CXXTryStmt; |
| class CallExpr; |
| class ClassTemplateDecl; |
| class ClassTemplatePartialSpecializationDecl; |
| class ClassTemplateSpecializationDecl; |
| class CodeCompleteConsumer; |
| class CodeCompletionAllocator; |
| class CodeCompletionResult; |
| class Decl; |
| class DeclAccessPair; |
| class DeclContext; |
| class DeclRefExpr; |
| class DeclaratorDecl; |
| class DeducedTemplateArgument; |
| class DependentDiagnostic; |
| class DesignatedInitExpr; |
| class Designation; |
| class EnumConstantDecl; |
| class Expr; |
| class ExtVectorType; |
| class ExternalSemaSource; |
| class FormatAttr; |
| class FriendDecl; |
| class FunctionDecl; |
| class FunctionProtoType; |
| class FunctionTemplateDecl; |
| class ImplicitConversionSequence; |
| class InitListExpr; |
| class InitializationKind; |
| class InitializationSequence; |
| class InitializedEntity; |
| class IntegerLiteral; |
| class LabelStmt; |
| class LangOptions; |
| class LocalInstantiationScope; |
| class LookupResult; |
| class MacroInfo; |
| class MultiLevelTemplateArgumentList; |
| class NamedDecl; |
| class NonNullAttr; |
| class ObjCCategoryDecl; |
| class ObjCCategoryImplDecl; |
| class ObjCCompatibleAliasDecl; |
| class ObjCContainerDecl; |
| class ObjCImplDecl; |
| class ObjCImplementationDecl; |
| class ObjCInterfaceDecl; |
| class ObjCIvarDecl; |
| template <class T> class ObjCList; |
| class ObjCMessageExpr; |
| class ObjCMethodDecl; |
| class ObjCPropertyDecl; |
| class ObjCProtocolDecl; |
| class OverloadCandidateSet; |
| class OverloadExpr; |
| class ParenListExpr; |
| class ParmVarDecl; |
| class Preprocessor; |
| class PseudoDestructorTypeStorage; |
| class QualType; |
| class StandardConversionSequence; |
| class Stmt; |
| class StringLiteral; |
| class SwitchStmt; |
| class TargetAttributesSema; |
| class TemplateArgument; |
| class TemplateArgumentList; |
| class TemplateArgumentLoc; |
| class TemplateDecl; |
| class TemplateParameterList; |
| class TemplatePartialOrderingContext; |
| class TemplateTemplateParmDecl; |
| class Token; |
| class TypeAliasDecl; |
| class TypedefDecl; |
| class TypedefNameDecl; |
| class TypeLoc; |
| class UnqualifiedId; |
| class UnresolvedLookupExpr; |
| class UnresolvedMemberExpr; |
| class UnresolvedSetImpl; |
| class UnresolvedSetIterator; |
| class UsingDecl; |
| class UsingShadowDecl; |
| class ValueDecl; |
| class VarDecl; |
| class VisibilityAttr; |
| class VisibleDeclConsumer; |
| class IndirectFieldDecl; |
| |
| namespace sema { |
| class AccessedEntity; |
| class BlockScopeInfo; |
| class DelayedDiagnostic; |
| class FunctionScopeInfo; |
| class TemplateDeductionInfo; |
| } |
| |
| // FIXME: No way to easily map from TemplateTypeParmTypes to |
| // TemplateTypeParmDecls, so we have this horrible PointerUnion. |
| typedef std::pair<llvm::PointerUnion<const TemplateTypeParmType*, NamedDecl*>, |
| SourceLocation> UnexpandedParameterPack; |
| |
| /// Sema - This implements semantic analysis and AST building for C. |
| class Sema { |
| Sema(const Sema&); // DO NOT IMPLEMENT |
| void operator=(const Sema&); // DO NOT IMPLEMENT |
| mutable const TargetAttributesSema* TheTargetAttributesSema; |
| public: |
| typedef OpaquePtr<DeclGroupRef> DeclGroupPtrTy; |
| typedef OpaquePtr<TemplateName> TemplateTy; |
| typedef OpaquePtr<QualType> TypeTy; |
| |
| OpenCLOptions OpenCLFeatures; |
| FPOptions FPFeatures; |
| |
| const LangOptions &LangOpts; |
| Preprocessor &PP; |
| ASTContext &Context; |
| ASTConsumer &Consumer; |
| DiagnosticsEngine &Diags; |
| SourceManager &SourceMgr; |
| |
| /// \brief Flag indicating whether or not to collect detailed statistics. |
| bool CollectStats; |
| |
| /// \brief Source of additional semantic information. |
| ExternalSemaSource *ExternalSource; |
| |
| /// \brief Code-completion consumer. |
| CodeCompleteConsumer *CodeCompleter; |
| |
| /// CurContext - This is the current declaration context of parsing. |
| DeclContext *CurContext; |
| |
| /// \brief Generally null except when we temporarily switch decl contexts, |
| /// like in \see ActOnObjCTemporaryExitContainerContext. |
| DeclContext *OriginalLexicalContext; |
| |
| /// VAListTagName - The declaration name corresponding to __va_list_tag. |
| /// This is used as part of a hack to omit that class from ADL results. |
| DeclarationName VAListTagName; |
| |
| /// PackContext - Manages the stack for #pragma pack. An alignment |
| /// of 0 indicates default alignment. |
| void *PackContext; // Really a "PragmaPackStack*" |
| |
| bool MSStructPragmaOn; // True when #pragma ms_struct on |
| |
| /// VisContext - Manages the stack for #pragma GCC visibility. |
| void *VisContext; // Really a "PragmaVisStack*" |
| |
| /// ExprNeedsCleanups - True if the current evaluation context |
| /// requires cleanups to be run at its conclusion. |
| bool ExprNeedsCleanups; |
| |
| /// \brief Stack containing information about each of the nested |
| /// function, block, and method scopes that are currently active. |
| /// |
| /// This array is never empty. Clients should ignore the first |
| /// element, which is used to cache a single FunctionScopeInfo |
| /// that's used to parse every top-level function. |
| SmallVector<sema::FunctionScopeInfo *, 4> FunctionScopes; |
| |
| /// ExprTemporaries - This is the stack of temporaries that are created by |
| /// the current full expression. |
| SmallVector<CXXTemporary*, 8> ExprTemporaries; |
| |
| typedef LazyVector<TypedefNameDecl *, ExternalSemaSource, |
| &ExternalSemaSource::ReadExtVectorDecls, 2, 2> |
| ExtVectorDeclsType; |
| |
| /// ExtVectorDecls - This is a list all the extended vector types. This allows |
| /// us to associate a raw vector type with one of the ext_vector type names. |
| /// This is only necessary for issuing pretty diagnostics. |
| ExtVectorDeclsType ExtVectorDecls; |
| |
| /// FieldCollector - Collects CXXFieldDecls during parsing of C++ classes. |
| llvm::OwningPtr<CXXFieldCollector> FieldCollector; |
| |
| typedef llvm::SmallPtrSet<const CXXRecordDecl*, 8> RecordDeclSetTy; |
| |
| /// PureVirtualClassDiagSet - a set of class declarations which we have |
| /// emitted a list of pure virtual functions. Used to prevent emitting the |
| /// same list more than once. |
| llvm::OwningPtr<RecordDeclSetTy> PureVirtualClassDiagSet; |
| |
| /// ParsingInitForAutoVars - a set of declarations with auto types for which |
| /// we are currently parsing the initializer. |
| llvm::SmallPtrSet<const Decl*, 4> ParsingInitForAutoVars; |
| |
| /// \brief A mapping from external names to the most recent |
| /// locally-scoped external declaration with that name. |
| /// |
| /// This map contains external declarations introduced in local |
| /// scoped, e.g., |
| /// |
| /// \code |
| /// void f() { |
| /// void foo(int, int); |
| /// } |
| /// \endcode |
| /// |
| /// Here, the name "foo" will be associated with the declaration on |
| /// "foo" within f. This name is not visible outside of |
| /// "f". However, we still find it in two cases: |
| /// |
| /// - If we are declaring another external with the name "foo", we |
| /// can find "foo" as a previous declaration, so that the types |
| /// of this external declaration can be checked for |
| /// compatibility. |
| /// |
| /// - If we would implicitly declare "foo" (e.g., due to a call to |
| /// "foo" in C when no prototype or definition is visible), then |
| /// we find this declaration of "foo" and complain that it is |
| /// not visible. |
| llvm::DenseMap<DeclarationName, NamedDecl *> LocallyScopedExternalDecls; |
| |
| /// \brief Look for a locally scoped external declaration by the given name. |
| llvm::DenseMap<DeclarationName, NamedDecl *>::iterator |
| findLocallyScopedExternalDecl(DeclarationName Name); |
| |
| typedef LazyVector<VarDecl *, ExternalSemaSource, |
| &ExternalSemaSource::ReadTentativeDefinitions, 2, 2> |
| TentativeDefinitionsType; |
| |
| /// \brief All the tentative definitions encountered in the TU. |
| TentativeDefinitionsType TentativeDefinitions; |
| |
| typedef LazyVector<const DeclaratorDecl *, ExternalSemaSource, |
| &ExternalSemaSource::ReadUnusedFileScopedDecls, 2, 2> |
| UnusedFileScopedDeclsType; |
| |
| /// \brief The set of file scoped decls seen so far that have not been used |
| /// and must warn if not used. Only contains the first declaration. |
| UnusedFileScopedDeclsType UnusedFileScopedDecls; |
| |
| typedef LazyVector<CXXConstructorDecl *, ExternalSemaSource, |
| &ExternalSemaSource::ReadDelegatingConstructors, 2, 2> |
| DelegatingCtorDeclsType; |
| |
| /// \brief All the delegating constructors seen so far in the file, used for |
| /// cycle detection at the end of the TU. |
| DelegatingCtorDeclsType DelegatingCtorDecls; |
| |
| /// \brief All the overriding destructors seen during a class definition |
| /// (there could be multiple due to nested classes) that had their exception |
| /// spec checks delayed, plus the overridden destructor. |
| SmallVector<std::pair<const CXXDestructorDecl*, |
| const CXXDestructorDecl*>, 2> |
| DelayedDestructorExceptionSpecChecks; |
| |
| /// \brief Callback to the parser to parse templated functions when needed. |
| typedef void LateTemplateParserCB(void *P, const FunctionDecl *FD); |
| LateTemplateParserCB *LateTemplateParser; |
| void *OpaqueParser; |
| |
| void SetLateTemplateParser(LateTemplateParserCB *LTP, void *P) { |
| LateTemplateParser = LTP; |
| OpaqueParser = P; |
| } |
| |
| class DelayedDiagnostics; |
| |
| class ParsingDeclState { |
| unsigned SavedStackSize; |
| friend class Sema::DelayedDiagnostics; |
| }; |
| |
| class ProcessingContextState { |
| unsigned SavedParsingDepth; |
| unsigned SavedActiveStackBase; |
| friend class Sema::DelayedDiagnostics; |
| }; |
| |
| /// A class which encapsulates the logic for delaying diagnostics |
| /// during parsing and other processing. |
| class DelayedDiagnostics { |
| /// \brief The stack of diagnostics that were delayed due to being |
| /// produced during the parsing of a declaration. |
| sema::DelayedDiagnostic *Stack; |
| |
| /// \brief The number of objects on the delayed-diagnostics stack. |
| unsigned StackSize; |
| |
| /// \brief The current capacity of the delayed-diagnostics stack. |
| unsigned StackCapacity; |
| |
| /// \brief The index of the first "active" delayed diagnostic in |
| /// the stack. When parsing class definitions, we ignore active |
| /// delayed diagnostics from the surrounding context. |
| unsigned ActiveStackBase; |
| |
| /// \brief The depth of the declarations we're currently parsing. |
| /// This gets saved and reset whenever we enter a class definition. |
| unsigned ParsingDepth; |
| |
| public: |
| DelayedDiagnostics() : Stack(0), StackSize(0), StackCapacity(0), |
| ActiveStackBase(0), ParsingDepth(0) {} |
| |
| ~DelayedDiagnostics() { |
| delete[] reinterpret_cast<char*>(Stack); |
| } |
| |
| /// Adds a delayed diagnostic. |
| void add(const sema::DelayedDiagnostic &diag); |
| |
| /// Determines whether diagnostics should be delayed. |
| bool shouldDelayDiagnostics() { return ParsingDepth > 0; } |
| |
| /// Observe that we've started parsing a declaration. Access and |
| /// deprecation diagnostics will be delayed; when the declaration |
| /// is completed, all active delayed diagnostics will be evaluated |
| /// in its context, and then active diagnostics stack will be |
| /// popped down to the saved depth. |
| ParsingDeclState pushParsingDecl() { |
| ParsingDepth++; |
| |
| ParsingDeclState state; |
| state.SavedStackSize = StackSize; |
| return state; |
| } |
| |
| /// Observe that we're completed parsing a declaration. |
| static void popParsingDecl(Sema &S, ParsingDeclState state, Decl *decl); |
| |
| /// Observe that we've started processing a different context, the |
| /// contents of which are semantically separate from the |
| /// declarations it may lexically appear in. This sets aside the |
| /// current stack of active diagnostics and starts afresh. |
| ProcessingContextState pushContext() { |
| assert(StackSize >= ActiveStackBase); |
| |
| ProcessingContextState state; |
| state.SavedParsingDepth = ParsingDepth; |
| state.SavedActiveStackBase = ActiveStackBase; |
| |
| ActiveStackBase = StackSize; |
| ParsingDepth = 0; |
| |
| return state; |
| } |
| |
| /// Observe that we've stopped processing a context. This |
| /// restores the previous stack of active diagnostics. |
| void popContext(ProcessingContextState state) { |
| assert(ActiveStackBase == StackSize); |
| assert(ParsingDepth == 0); |
| ActiveStackBase = state.SavedActiveStackBase; |
| ParsingDepth = state.SavedParsingDepth; |
| } |
| } DelayedDiagnostics; |
| |
| /// A RAII object to temporarily push a declaration context. |
| class ContextRAII { |
| private: |
| Sema &S; |
| DeclContext *SavedContext; |
| ProcessingContextState SavedContextState; |
| |
| public: |
| ContextRAII(Sema &S, DeclContext *ContextToPush) |
| : S(S), SavedContext(S.CurContext), |
| SavedContextState(S.DelayedDiagnostics.pushContext()) |
| { |
| assert(ContextToPush && "pushing null context"); |
| S.CurContext = ContextToPush; |
| } |
| |
| void pop() { |
| if (!SavedContext) return; |
| S.CurContext = SavedContext; |
| S.DelayedDiagnostics.popContext(SavedContextState); |
| SavedContext = 0; |
| } |
| |
| ~ContextRAII() { |
| pop(); |
| } |
| }; |
| |
| /// WeakUndeclaredIdentifiers - Identifiers contained in |
| /// #pragma weak before declared. rare. may alias another |
| /// identifier, declared or undeclared |
| llvm::DenseMap<IdentifierInfo*,WeakInfo> WeakUndeclaredIdentifiers; |
| |
| /// \brief Load weak undeclared identifiers from the external source. |
| void LoadExternalWeakUndeclaredIdentifiers(); |
| |
| /// WeakTopLevelDecl - Translation-unit scoped declarations generated by |
| /// #pragma weak during processing of other Decls. |
| /// I couldn't figure out a clean way to generate these in-line, so |
| /// we store them here and handle separately -- which is a hack. |
| /// It would be best to refactor this. |
| SmallVector<Decl*,2> WeakTopLevelDecl; |
| |
| IdentifierResolver IdResolver; |
| |
| /// Translation Unit Scope - useful to Objective-C actions that need |
| /// to lookup file scope declarations in the "ordinary" C decl namespace. |
| /// For example, user-defined classes, built-in "id" type, etc. |
| Scope *TUScope; |
| |
| /// \brief The C++ "std" namespace, where the standard library resides. |
| LazyDeclPtr StdNamespace; |
| |
| /// \brief The C++ "std::bad_alloc" class, which is defined by the C++ |
| /// standard library. |
| LazyDeclPtr StdBadAlloc; |
| |
| /// \brief The C++ "type_info" declaration, which is defined in <typeinfo>. |
| RecordDecl *CXXTypeInfoDecl; |
| |
| /// \brief The MSVC "_GUID" struct, which is defined in MSVC header files. |
| RecordDecl *MSVCGuidDecl; |
| |
| /// A flag to remember whether the implicit forms of operator new and delete |
| /// have been declared. |
| bool GlobalNewDeleteDeclared; |
| |
| |
| /// A flag that is set when parsing a -dealloc method and no [super dealloc] |
| /// call was found yet. |
| bool ObjCShouldCallSuperDealloc; |
| /// A flag that is set when parsing a -finalize method and no [super finalize] |
| /// call was found yet. |
| bool ObjCShouldCallSuperFinalize; |
| |
| /// \brief The set of declarations that have been referenced within |
| /// a potentially evaluated expression. |
| typedef SmallVector<std::pair<SourceLocation, Decl *>, 10> |
| PotentiallyReferencedDecls; |
| |
| /// \brief A set of diagnostics that may be emitted. |
| typedef SmallVector<std::pair<SourceLocation, PartialDiagnostic>, 10> |
| PotentiallyEmittedDiagnostics; |
| |
| /// \brief Describes how the expressions currently being parsed are |
| /// evaluated at run-time, if at all. |
| enum ExpressionEvaluationContext { |
| /// \brief The current expression and its subexpressions occur within an |
| /// unevaluated operand (C++0x [expr]p8), such as a constant expression |
| /// or the subexpression of \c sizeof, where the type or the value of the |
| /// expression may be significant but no code will be generated to evaluate |
| /// the value of the expression at run time. |
| Unevaluated, |
| |
| /// \brief The current expression is potentially evaluated at run time, |
| /// which means that code may be generated to evaluate the value of the |
| /// expression at run time. |
| PotentiallyEvaluated, |
| |
| /// \brief The current expression may be potentially evaluated or it may |
| /// be unevaluated, but it is impossible to tell from the lexical context. |
| /// This evaluation context is used primary for the operand of the C++ |
| /// \c typeid expression, whose argument is potentially evaluated only when |
| /// it is an lvalue of polymorphic class type (C++ [basic.def.odr]p2). |
| PotentiallyPotentiallyEvaluated, |
| |
| /// \brief The current expression is potentially evaluated, but any |
| /// declarations referenced inside that expression are only used if |
| /// in fact the current expression is used. |
| /// |
| /// This value is used when parsing default function arguments, for which |
| /// we would like to provide diagnostics (e.g., passing non-POD arguments |
| /// through varargs) but do not want to mark declarations as "referenced" |
| /// until the default argument is used. |
| PotentiallyEvaluatedIfUsed |
| }; |
| |
| /// \brief Data structure used to record current or nested |
| /// expression evaluation contexts. |
| struct ExpressionEvaluationContextRecord { |
| /// \brief The expression evaluation context. |
| ExpressionEvaluationContext Context; |
| |
| /// \brief Whether the enclosing context needed a cleanup. |
| bool ParentNeedsCleanups; |
| |
| /// \brief The number of temporaries that were active when we |
| /// entered this expression evaluation context. |
| unsigned NumTemporaries; |
| |
| /// \brief The set of declarations referenced within a |
| /// potentially potentially-evaluated context. |
| /// |
| /// When leaving a potentially potentially-evaluated context, each |
| /// of these elements will be as referenced if the corresponding |
| /// potentially potentially evaluated expression is potentially |
| /// evaluated. |
| PotentiallyReferencedDecls *PotentiallyReferenced; |
| |
| /// \brief The set of diagnostics to emit should this potentially |
| /// potentially-evaluated context become evaluated. |
| PotentiallyEmittedDiagnostics *PotentiallyDiagnosed; |
| |
| ExpressionEvaluationContextRecord(ExpressionEvaluationContext Context, |
| unsigned NumTemporaries, |
| bool ParentNeedsCleanups) |
| : Context(Context), ParentNeedsCleanups(ParentNeedsCleanups), |
| NumTemporaries(NumTemporaries), |
| PotentiallyReferenced(0), PotentiallyDiagnosed(0) { } |
| |
| void addReferencedDecl(SourceLocation Loc, Decl *Decl) { |
| if (!PotentiallyReferenced) |
| PotentiallyReferenced = new PotentiallyReferencedDecls; |
| PotentiallyReferenced->push_back(std::make_pair(Loc, Decl)); |
| } |
| |
| void addDiagnostic(SourceLocation Loc, const PartialDiagnostic &PD) { |
| if (!PotentiallyDiagnosed) |
| PotentiallyDiagnosed = new PotentiallyEmittedDiagnostics; |
| PotentiallyDiagnosed->push_back(std::make_pair(Loc, PD)); |
| } |
| |
| void Destroy() { |
| delete PotentiallyReferenced; |
| delete PotentiallyDiagnosed; |
| PotentiallyReferenced = 0; |
| PotentiallyDiagnosed = 0; |
| } |
| }; |
| |
| /// A stack of expression evaluation contexts. |
| SmallVector<ExpressionEvaluationContextRecord, 8> ExprEvalContexts; |
| |
| /// SpecialMemberOverloadResult - The overloading result for a special member |
| /// function. |
| /// |
| /// This is basically a wrapper around PointerIntPair. The lowest bit of the |
| /// integer is used to determine whether we have a parameter qualification |
| /// match, the second-lowest is whether we had success in resolving the |
| /// overload to a unique non-deleted function. |
| /// |
| /// The ConstParamMatch bit represents whether, when looking up a copy |
| /// constructor or assignment operator, we found a potential copy |
| /// constructor/assignment operator whose first parameter is const-qualified. |
| /// This is used for determining parameter types of other objects and is |
| /// utterly meaningless on other types of special members. |
| class SpecialMemberOverloadResult : public llvm::FastFoldingSetNode { |
| llvm::PointerIntPair<CXXMethodDecl*, 2> Pair; |
| public: |
| SpecialMemberOverloadResult(const llvm::FoldingSetNodeID &ID) |
| : FastFoldingSetNode(ID) |
| {} |
| |
| CXXMethodDecl *getMethod() const { return Pair.getPointer(); } |
| void setMethod(CXXMethodDecl *MD) { Pair.setPointer(MD); } |
| |
| bool hasSuccess() const { return Pair.getInt() & 0x1; } |
| void setSuccess(bool B) { |
| Pair.setInt(unsigned(B) | hasConstParamMatch() << 1); |
| } |
| |
| bool hasConstParamMatch() const { return Pair.getInt() & 0x2; } |
| void setConstParamMatch(bool B) { |
| Pair.setInt(B << 1 | unsigned(hasSuccess())); |
| } |
| }; |
| |
| /// \brief A cache of special member function overload resolution results |
| /// for C++ records. |
| llvm::FoldingSet<SpecialMemberOverloadResult> SpecialMemberCache; |
| |
| /// \brief The kind of translation unit we are processing. |
| /// |
| /// When we're processing a complete translation unit, Sema will perform |
| /// end-of-translation-unit semantic tasks (such as creating |
| /// initializers for tentative definitions in C) once parsing has |
| /// completed. Modules and precompiled headers perform different kinds of |
| /// checks. |
| TranslationUnitKind TUKind; |
| |
| llvm::BumpPtrAllocator BumpAlloc; |
| |
| /// \brief The number of SFINAE diagnostics that have been trapped. |
| unsigned NumSFINAEErrors; |
| |
| typedef llvm::DenseMap<ParmVarDecl *, SmallVector<ParmVarDecl *, 1> > |
| UnparsedDefaultArgInstantiationsMap; |
| |
| /// \brief A mapping from parameters with unparsed default arguments to the |
| /// set of instantiations of each parameter. |
| /// |
| /// This mapping is a temporary data structure used when parsing |
| /// nested class templates or nested classes of class templates, |
| /// where we might end up instantiating an inner class before the |
| /// default arguments of its methods have been parsed. |
| UnparsedDefaultArgInstantiationsMap UnparsedDefaultArgInstantiations; |
| |
| // Contains the locations of the beginning of unparsed default |
| // argument locations. |
| llvm::DenseMap<ParmVarDecl *,SourceLocation> UnparsedDefaultArgLocs; |
| |
| /// UndefinedInternals - all the used, undefined objects with |
| /// internal linkage in this translation unit. |
| llvm::DenseMap<NamedDecl*, SourceLocation> UndefinedInternals; |
| |
| typedef std::pair<ObjCMethodList, ObjCMethodList> GlobalMethods; |
| typedef llvm::DenseMap<Selector, GlobalMethods> GlobalMethodPool; |
| |
| /// Method Pool - allows efficient lookup when typechecking messages to "id". |
| /// We need to maintain a list, since selectors can have differing signatures |
| /// across classes. In Cocoa, this happens to be extremely uncommon (only 1% |
| /// of selectors are "overloaded"). |
| GlobalMethodPool MethodPool; |
| |
| /// Method selectors used in a @selector expression. Used for implementation |
| /// of -Wselector. |
| llvm::DenseMap<Selector, SourceLocation> ReferencedSelectors; |
| |
| GlobalMethodPool::iterator ReadMethodPool(Selector Sel); |
| |
| /// Private Helper predicate to check for 'self'. |
| bool isSelfExpr(Expr *RExpr); |
| public: |
| Sema(Preprocessor &pp, ASTContext &ctxt, ASTConsumer &consumer, |
| TranslationUnitKind TUKind = TU_Complete, |
| CodeCompleteConsumer *CompletionConsumer = 0); |
| ~Sema(); |
| |
| /// \brief Perform initialization that occurs after the parser has been |
| /// initialized but before it parses anything. |
| void Initialize(); |
| |
| const LangOptions &getLangOptions() const { return LangOpts; } |
| OpenCLOptions &getOpenCLOptions() { return OpenCLFeatures; } |
| FPOptions &getFPOptions() { return FPFeatures; } |
| |
| DiagnosticsEngine &getDiagnostics() const { return Diags; } |
| SourceManager &getSourceManager() const { return SourceMgr; } |
| const TargetAttributesSema &getTargetAttributesSema() const; |
| Preprocessor &getPreprocessor() const { return PP; } |
| ASTContext &getASTContext() const { return Context; } |
| ASTConsumer &getASTConsumer() const { return Consumer; } |
| ASTMutationListener *getASTMutationListener() const; |
| |
| void PrintStats() const; |
| |
| /// \brief Helper class that creates diagnostics with optional |
| /// template instantiation stacks. |
| /// |
| /// This class provides a wrapper around the basic DiagnosticBuilder |
| /// class that emits diagnostics. SemaDiagnosticBuilder is |
| /// responsible for emitting the diagnostic (as DiagnosticBuilder |
| /// does) and, if the diagnostic comes from inside a template |
| /// instantiation, printing the template instantiation stack as |
| /// well. |
| class SemaDiagnosticBuilder : public DiagnosticBuilder { |
| Sema &SemaRef; |
| unsigned DiagID; |
| |
| public: |
| SemaDiagnosticBuilder(DiagnosticBuilder &DB, Sema &SemaRef, unsigned DiagID) |
| : DiagnosticBuilder(DB), SemaRef(SemaRef), DiagID(DiagID) { } |
| |
| explicit SemaDiagnosticBuilder(Sema &SemaRef) |
| : DiagnosticBuilder(DiagnosticBuilder::Suppress), SemaRef(SemaRef) { } |
| |
| ~SemaDiagnosticBuilder(); |
| }; |
| |
| /// \brief Emit a diagnostic. |
| SemaDiagnosticBuilder Diag(SourceLocation Loc, unsigned DiagID); |
| |
| /// \brief Emit a partial diagnostic. |
| SemaDiagnosticBuilder Diag(SourceLocation Loc, const PartialDiagnostic& PD); |
| |
| /// \brief Build a partial diagnostic. |
| PartialDiagnostic PDiag(unsigned DiagID = 0); // in SemaInternal.h |
| |
| bool findMacroSpelling(SourceLocation &loc, StringRef name); |
| |
| ExprResult Owned(Expr* E) { return E; } |
| ExprResult Owned(ExprResult R) { return R; } |
| StmtResult Owned(Stmt* S) { return S; } |
| |
| void ActOnEndOfTranslationUnit(); |
| |
| void CheckDelegatingCtorCycles(); |
| |
| Scope *getScopeForContext(DeclContext *Ctx); |
| |
| void PushFunctionScope(); |
| void PushBlockScope(Scope *BlockScope, BlockDecl *Block); |
| void PopFunctionOrBlockScope(const sema::AnalysisBasedWarnings::Policy *WP =0, |
| const Decl *D = 0, const BlockExpr *blkExpr = 0); |
| |
| sema::FunctionScopeInfo *getCurFunction() const { |
| return FunctionScopes.back(); |
| } |
| |
| bool hasAnyUnrecoverableErrorsInThisFunction() const; |
| |
| /// \brief Retrieve the current block, if any. |
| sema::BlockScopeInfo *getCurBlock(); |
| |
| /// WeakTopLevelDeclDecls - access to #pragma weak-generated Decls |
| SmallVector<Decl*,2> &WeakTopLevelDecls() { return WeakTopLevelDecl; } |
| |
| //===--------------------------------------------------------------------===// |
| // Type Analysis / Processing: SemaType.cpp. |
| // |
| |
| QualType BuildQualifiedType(QualType T, SourceLocation Loc, Qualifiers Qs); |
| QualType BuildQualifiedType(QualType T, SourceLocation Loc, unsigned CVR) { |
| return BuildQualifiedType(T, Loc, Qualifiers::fromCVRMask(CVR)); |
| } |
| QualType BuildPointerType(QualType T, |
| SourceLocation Loc, DeclarationName Entity); |
| QualType BuildReferenceType(QualType T, bool LValueRef, |
| SourceLocation Loc, DeclarationName Entity); |
| QualType BuildArrayType(QualType T, ArrayType::ArraySizeModifier ASM, |
| Expr *ArraySize, unsigned Quals, |
| SourceRange Brackets, DeclarationName Entity); |
| QualType BuildExtVectorType(QualType T, Expr *ArraySize, |
| SourceLocation AttrLoc); |
| QualType BuildFunctionType(QualType T, |
| QualType *ParamTypes, unsigned NumParamTypes, |
| bool Variadic, unsigned Quals, |
| RefQualifierKind RefQualifier, |
| SourceLocation Loc, DeclarationName Entity, |
| FunctionType::ExtInfo Info); |
| QualType BuildMemberPointerType(QualType T, QualType Class, |
| SourceLocation Loc, |
| DeclarationName Entity); |
| QualType BuildBlockPointerType(QualType T, |
| SourceLocation Loc, DeclarationName Entity); |
| QualType BuildParenType(QualType T); |
| QualType BuildAtomicType(QualType T, SourceLocation Loc); |
| |
| TypeSourceInfo *GetTypeForDeclarator(Declarator &D, Scope *S); |
| TypeSourceInfo *GetTypeForDeclaratorCast(Declarator &D, QualType FromTy); |
| TypeSourceInfo *GetTypeSourceInfoForDeclarator(Declarator &D, QualType T, |
| TypeSourceInfo *ReturnTypeInfo); |
| /// \brief Package the given type and TSI into a ParsedType. |
| ParsedType CreateParsedType(QualType T, TypeSourceInfo *TInfo); |
| DeclarationNameInfo GetNameForDeclarator(Declarator &D); |
| DeclarationNameInfo GetNameFromUnqualifiedId(const UnqualifiedId &Name); |
| static QualType GetTypeFromParser(ParsedType Ty, TypeSourceInfo **TInfo = 0); |
| bool CheckSpecifiedExceptionType(QualType T, const SourceRange &Range); |
| bool CheckDistantExceptionSpec(QualType T); |
| bool CheckEquivalentExceptionSpec(FunctionDecl *Old, FunctionDecl *New); |
| bool CheckEquivalentExceptionSpec( |
| const FunctionProtoType *Old, SourceLocation OldLoc, |
| const FunctionProtoType *New, SourceLocation NewLoc); |
| bool CheckEquivalentExceptionSpec( |
| const PartialDiagnostic &DiagID, const PartialDiagnostic & NoteID, |
| const FunctionProtoType *Old, SourceLocation OldLoc, |
| const FunctionProtoType *New, SourceLocation NewLoc, |
| bool *MissingExceptionSpecification = 0, |
| bool *MissingEmptyExceptionSpecification = 0, |
| bool AllowNoexceptAllMatchWithNoSpec = false, |
| bool IsOperatorNew = false); |
| bool CheckExceptionSpecSubset( |
| const PartialDiagnostic &DiagID, const PartialDiagnostic & NoteID, |
| const FunctionProtoType *Superset, SourceLocation SuperLoc, |
| const FunctionProtoType *Subset, SourceLocation SubLoc); |
| bool CheckParamExceptionSpec(const PartialDiagnostic & NoteID, |
| const FunctionProtoType *Target, SourceLocation TargetLoc, |
| const FunctionProtoType *Source, SourceLocation SourceLoc); |
| |
| TypeResult ActOnTypeName(Scope *S, Declarator &D); |
| |
| /// \brief The parser has parsed the context-sensitive type 'instancetype' |
| /// in an Objective-C message declaration. Return the appropriate type. |
| ParsedType ActOnObjCInstanceType(SourceLocation Loc); |
| |
| bool RequireCompleteType(SourceLocation Loc, QualType T, |
| const PartialDiagnostic &PD, |
| std::pair<SourceLocation, PartialDiagnostic> Note); |
| bool RequireCompleteType(SourceLocation Loc, QualType T, |
| const PartialDiagnostic &PD); |
| bool RequireCompleteType(SourceLocation Loc, QualType T, |
| unsigned DiagID); |
| bool RequireCompleteExprType(Expr *E, const PartialDiagnostic &PD, |
| std::pair<SourceLocation, |
| PartialDiagnostic> Note); |
| |
| bool RequireLiteralType(SourceLocation Loc, QualType T, |
| const PartialDiagnostic &PD, |
| bool AllowIncompleteType = false); |
| |
| QualType getElaboratedType(ElaboratedTypeKeyword Keyword, |
| const CXXScopeSpec &SS, QualType T); |
| |
| QualType BuildTypeofExprType(Expr *E, SourceLocation Loc); |
| QualType BuildDecltypeType(Expr *E, SourceLocation Loc); |
| QualType BuildUnaryTransformType(QualType BaseType, |
| UnaryTransformType::UTTKind UKind, |
| SourceLocation Loc); |
| |
| //===--------------------------------------------------------------------===// |
| // Symbol table / Decl tracking callbacks: SemaDecl.cpp. |
| // |
| |
| DeclGroupPtrTy ConvertDeclToDeclGroup(Decl *Ptr, Decl *OwnedType = 0); |
| |
| void DiagnoseUseOfUnimplementedSelectors(); |
| |
| ParsedType getTypeName(IdentifierInfo &II, SourceLocation NameLoc, |
| Scope *S, CXXScopeSpec *SS = 0, |
| bool isClassName = false, |
| bool HasTrailingDot = false, |
| ParsedType ObjectType = ParsedType(), |
| bool WantNontrivialTypeSourceInfo = false, |
| IdentifierInfo **CorrectedII = 0); |
| TypeSpecifierType isTagName(IdentifierInfo &II, Scope *S); |
| bool isMicrosoftMissingTypename(const CXXScopeSpec *SS, Scope *S); |
| bool DiagnoseUnknownTypeName(const IdentifierInfo &II, |
| SourceLocation IILoc, |
| Scope *S, |
| CXXScopeSpec *SS, |
| ParsedType &SuggestedType); |
| |
| /// \brief Describes the result of the name lookup and resolution performed |
| /// by \c ClassifyName(). |
| enum NameClassificationKind { |
| NC_Unknown, |
| NC_Error, |
| NC_Keyword, |
| NC_Type, |
| NC_Expression, |
| NC_NestedNameSpecifier, |
| NC_TypeTemplate, |
| NC_FunctionTemplate |
| }; |
| |
| class NameClassification { |
| NameClassificationKind Kind; |
| ExprResult Expr; |
| TemplateName Template; |
| ParsedType Type; |
| const IdentifierInfo *Keyword; |
| |
| explicit NameClassification(NameClassificationKind Kind) : Kind(Kind) {} |
| |
| public: |
| NameClassification(ExprResult Expr) : Kind(NC_Expression), Expr(Expr) {} |
| |
| NameClassification(ParsedType Type) : Kind(NC_Type), Type(Type) {} |
| |
| NameClassification(const IdentifierInfo *Keyword) |
| : Kind(NC_Keyword), Keyword(Keyword) { } |
| |
| static NameClassification Error() { |
| return NameClassification(NC_Error); |
| } |
| |
| static NameClassification Unknown() { |
| return NameClassification(NC_Unknown); |
| } |
| |
| static NameClassification NestedNameSpecifier() { |
| return NameClassification(NC_NestedNameSpecifier); |
| } |
| |
| static NameClassification TypeTemplate(TemplateName Name) { |
| NameClassification Result(NC_TypeTemplate); |
| Result.Template = Name; |
| return Result; |
| } |
| |
| static NameClassification FunctionTemplate(TemplateName Name) { |
| NameClassification Result(NC_FunctionTemplate); |
| Result.Template = Name; |
| return Result; |
| } |
| |
| NameClassificationKind getKind() const { return Kind; } |
| |
| ParsedType getType() const { |
| assert(Kind == NC_Type); |
| return Type; |
| } |
| |
| ExprResult getExpression() const { |
| assert(Kind == NC_Expression); |
| return Expr; |
| } |
| |
| TemplateName getTemplateName() const { |
| assert(Kind == NC_TypeTemplate || Kind == NC_FunctionTemplate); |
| return Template; |
| } |
| |
| TemplateNameKind getTemplateNameKind() const { |
| assert(Kind == NC_TypeTemplate || Kind == NC_FunctionTemplate); |
| return Kind == NC_TypeTemplate? TNK_Type_template : TNK_Function_template; |
| } |
| }; |
| |
| /// \brief Perform name lookup on the given name, classifying it based on |
| /// the results of name lookup and the following token. |
| /// |
| /// This routine is used by the parser to resolve identifiers and help direct |
| /// parsing. When the identifier cannot be found, this routine will attempt |
| /// to correct the typo and classify based on the resulting name. |
| /// |
| /// \param S The scope in which we're performing name lookup. |
| /// |
| /// \param SS The nested-name-specifier that precedes the name. |
| /// |
| /// \param Name The identifier. If typo correction finds an alternative name, |
| /// this pointer parameter will be updated accordingly. |
| /// |
| /// \param NameLoc The location of the identifier. |
| /// |
| /// \param NextToken The token following the identifier. Used to help |
| /// disambiguate the name. |
| NameClassification ClassifyName(Scope *S, |
| CXXScopeSpec &SS, |
| IdentifierInfo *&Name, |
| SourceLocation NameLoc, |
| const Token &NextToken); |
| |
| Decl *ActOnDeclarator(Scope *S, Declarator &D); |
| |
| Decl *HandleDeclarator(Scope *S, Declarator &D, |
| MultiTemplateParamsArg TemplateParameterLists); |
| void RegisterLocallyScopedExternCDecl(NamedDecl *ND, |
| const LookupResult &Previous, |
| Scope *S); |
| bool DiagnoseClassNameShadow(DeclContext *DC, DeclarationNameInfo Info); |
| void DiagnoseFunctionSpecifiers(Declarator& D); |
| void CheckShadow(Scope *S, VarDecl *D, const LookupResult& R); |
| void CheckShadow(Scope *S, VarDecl *D); |
| void CheckCastAlign(Expr *Op, QualType T, SourceRange TRange); |
| void CheckTypedefForVariablyModifiedType(Scope *S, TypedefNameDecl *D); |
| NamedDecl* ActOnTypedefDeclarator(Scope* S, Declarator& D, DeclContext* DC, |
| TypeSourceInfo *TInfo, |
| LookupResult &Previous); |
| NamedDecl* ActOnTypedefNameDecl(Scope* S, DeclContext* DC, TypedefNameDecl *D, |
| LookupResult &Previous, bool &Redeclaration); |
| NamedDecl* ActOnVariableDeclarator(Scope* S, Declarator& D, DeclContext* DC, |
| TypeSourceInfo *TInfo, |
| LookupResult &Previous, |
| MultiTemplateParamsArg TemplateParamLists); |
| // Returns true if the variable declaration is a redeclaration |
| bool CheckVariableDeclaration(VarDecl *NewVD, LookupResult &Previous); |
| void CheckCompleteVariableDeclaration(VarDecl *var); |
| NamedDecl* ActOnFunctionDeclarator(Scope* S, Declarator& D, DeclContext* DC, |
| TypeSourceInfo *TInfo, |
| LookupResult &Previous, |
| MultiTemplateParamsArg TemplateParamLists, |
| bool &AddToScope); |
| bool AddOverriddenMethods(CXXRecordDecl *DC, CXXMethodDecl *MD); |
| |
| /// \brief The kind of constexpr declaration checking we are performing. |
| /// |
| /// The kind affects which diagnostics (if any) are emitted if the function |
| /// does not satisfy the requirements of a constexpr function declaration. |
| enum CheckConstexprKind { |
| /// \brief Check a constexpr function declaration, and produce errors if it |
| /// does not satisfy the requirements. |
| CCK_Declaration, |
| /// \brief Check a constexpr function template instantiation. |
| CCK_Instantiation, |
| /// \brief Produce notes explaining why an instantiation was not constexpr. |
| CCK_NoteNonConstexprInstantiation |
| }; |
| bool CheckConstexprFunctionDecl(const FunctionDecl *FD, CheckConstexprKind CCK); |
| bool CheckConstexprFunctionBody(const FunctionDecl *FD, Stmt *Body); |
| |
| void DiagnoseHiddenVirtualMethods(CXXRecordDecl *DC, CXXMethodDecl *MD); |
| // Returns true if the function declaration is a redeclaration |
| bool CheckFunctionDeclaration(Scope *S, |
| FunctionDecl *NewFD, LookupResult &Previous, |
| bool IsExplicitSpecialization); |
| void CheckMain(FunctionDecl *FD, const DeclSpec &D); |
| Decl *ActOnParamDeclarator(Scope *S, Declarator &D); |
| ParmVarDecl *BuildParmVarDeclForTypedef(DeclContext *DC, |
| SourceLocation Loc, |
| QualType T); |
| ParmVarDecl *CheckParameter(DeclContext *DC, SourceLocation StartLoc, |
| SourceLocation NameLoc, IdentifierInfo *Name, |
| QualType T, TypeSourceInfo *TSInfo, |
| StorageClass SC, StorageClass SCAsWritten); |
| void ActOnParamDefaultArgument(Decl *param, |
| SourceLocation EqualLoc, |
| Expr *defarg); |
| void ActOnParamUnparsedDefaultArgument(Decl *param, |
| SourceLocation EqualLoc, |
| SourceLocation ArgLoc); |
| void ActOnParamDefaultArgumentError(Decl *param); |
| bool SetParamDefaultArgument(ParmVarDecl *Param, Expr *DefaultArg, |
| SourceLocation EqualLoc); |
| |
| void CheckSelfReference(Decl *OrigDecl, Expr *E); |
| void AddInitializerToDecl(Decl *dcl, Expr *init, bool DirectInit, |
| bool TypeMayContainAuto); |
| void ActOnUninitializedDecl(Decl *dcl, bool TypeMayContainAuto); |
| void ActOnInitializerError(Decl *Dcl); |
| void ActOnCXXForRangeDecl(Decl *D); |
| void SetDeclDeleted(Decl *dcl, SourceLocation DelLoc); |
| void SetDeclDefaulted(Decl *dcl, SourceLocation DefaultLoc); |
| void FinalizeDeclaration(Decl *D); |
| DeclGroupPtrTy FinalizeDeclaratorGroup(Scope *S, const DeclSpec &DS, |
| Decl **Group, |
| unsigned NumDecls); |
| DeclGroupPtrTy BuildDeclaratorGroup(Decl **Group, unsigned NumDecls, |
| bool TypeMayContainAuto = true); |
| void ActOnFinishKNRParamDeclarations(Scope *S, Declarator &D, |
| SourceLocation LocAfterDecls); |
| void CheckForFunctionRedefinition(FunctionDecl *FD); |
| Decl *ActOnStartOfFunctionDef(Scope *S, Declarator &D); |
| Decl *ActOnStartOfFunctionDef(Scope *S, Decl *D); |
| void ActOnStartOfObjCMethodDef(Scope *S, Decl *D); |
| |
| void computeNRVO(Stmt *Body, sema::FunctionScopeInfo *Scope); |
| Decl *ActOnFinishFunctionBody(Decl *Decl, Stmt *Body); |
| Decl *ActOnFinishFunctionBody(Decl *Decl, Stmt *Body, bool IsInstantiation); |
| |
| /// ActOnFinishDelayedAttribute - Invoked when we have finished parsing an |
| /// attribute for which parsing is delayed. |
| void ActOnFinishDelayedAttribute(Scope *S, Decl *D, ParsedAttributes &Attrs); |
| |
| /// \brief Diagnose any unused parameters in the given sequence of |
| /// ParmVarDecl pointers. |
| void DiagnoseUnusedParameters(ParmVarDecl * const *Begin, |
| ParmVarDecl * const *End); |
| |
| /// \brief Diagnose whether the size of parameters or return value of a |
| /// function or obj-c method definition is pass-by-value and larger than a |
| /// specified threshold. |
| void DiagnoseSizeOfParametersAndReturnValue(ParmVarDecl * const *Begin, |
| ParmVarDecl * const *End, |
| QualType ReturnTy, |
| NamedDecl *D); |
| |
| void DiagnoseInvalidJumps(Stmt *Body); |
| Decl *ActOnFileScopeAsmDecl(Expr *expr, |
| SourceLocation AsmLoc, |
| SourceLocation RParenLoc); |
| |
| /// \brief The parser has processed a module import declaration. |
| /// |
| /// \param ImportLoc The location of the '__import_module__' keyword. |
| /// |
| /// \param ModuleName The name of the module. |
| /// |
| /// \param ModuleNameLoc The location of the module name. |
| DeclResult ActOnModuleImport(SourceLocation ImportLoc, |
| IdentifierInfo &ModuleName, |
| SourceLocation ModuleNameLoc); |
| |
| /// \brief Diagnose that \p New is a module-private redeclaration of |
| /// \p Old. |
| void diagnoseModulePrivateRedeclaration(NamedDecl *New, NamedDecl *Old, |
| SourceLocation ModulePrivateKeyword |
| = SourceLocation()); |
| |
| /// \brief Retrieve a suitable printing policy. |
| PrintingPolicy getPrintingPolicy() const; |
| |
| /// Scope actions. |
| void ActOnPopScope(SourceLocation Loc, Scope *S); |
| void ActOnTranslationUnitScope(Scope *S); |
| |
| Decl *ParsedFreeStandingDeclSpec(Scope *S, AccessSpecifier AS, |
| DeclSpec &DS); |
| Decl *ParsedFreeStandingDeclSpec(Scope *S, AccessSpecifier AS, |
| DeclSpec &DS, |
| MultiTemplateParamsArg TemplateParams); |
| |
| StmtResult ActOnVlaStmt(const DeclSpec &DS); |
| |
| Decl *BuildAnonymousStructOrUnion(Scope *S, DeclSpec &DS, |
| AccessSpecifier AS, |
| RecordDecl *Record); |
| |
| Decl *BuildMicrosoftCAnonymousStruct(Scope *S, DeclSpec &DS, |
| RecordDecl *Record); |
| |
| bool isAcceptableTagRedeclaration(const TagDecl *Previous, |
| TagTypeKind NewTag, bool isDefinition, |
| SourceLocation NewTagLoc, |
| const IdentifierInfo &Name); |
| |
| enum TagUseKind { |
| TUK_Reference, // Reference to a tag: 'struct foo *X;' |
| TUK_Declaration, // Fwd decl of a tag: 'struct foo;' |
| TUK_Definition, // Definition of a tag: 'struct foo { int X; } Y;' |
| TUK_Friend // Friend declaration: 'friend struct foo;' |
| }; |
| |
| Decl *ActOnTag(Scope *S, unsigned TagSpec, TagUseKind TUK, |
| SourceLocation KWLoc, CXXScopeSpec &SS, |
| IdentifierInfo *Name, SourceLocation NameLoc, |
| AttributeList *Attr, AccessSpecifier AS, |
| SourceLocation ModulePrivateLoc, |
| MultiTemplateParamsArg TemplateParameterLists, |
| bool &OwnedDecl, bool &IsDependent, bool ScopedEnum, |
| bool ScopedEnumUsesClassTag, TypeResult UnderlyingType); |
| |
| Decl *ActOnTemplatedFriendTag(Scope *S, SourceLocation FriendLoc, |
| unsigned TagSpec, SourceLocation TagLoc, |
| CXXScopeSpec &SS, |
| IdentifierInfo *Name, SourceLocation NameLoc, |
| AttributeList *Attr, |
| MultiTemplateParamsArg TempParamLists); |
| |
| TypeResult ActOnDependentTag(Scope *S, |
| unsigned TagSpec, |
| TagUseKind TUK, |
| const CXXScopeSpec &SS, |
| IdentifierInfo *Name, |
| SourceLocation TagLoc, |
| SourceLocation NameLoc); |
| |
| void ActOnDefs(Scope *S, Decl *TagD, SourceLocation DeclStart, |
| IdentifierInfo *ClassName, |
| SmallVectorImpl<Decl *> &Decls); |
| Decl *ActOnField(Scope *S, Decl *TagD, SourceLocation DeclStart, |
| Declarator &D, Expr *BitfieldWidth); |
| |
| FieldDecl *HandleField(Scope *S, RecordDecl *TagD, SourceLocation DeclStart, |
| Declarator &D, Expr *BitfieldWidth, bool HasInit, |
| AccessSpecifier AS); |
| |
| FieldDecl *CheckFieldDecl(DeclarationName Name, QualType T, |
| TypeSourceInfo *TInfo, |
| RecordDecl *Record, SourceLocation Loc, |
| bool Mutable, Expr *BitfieldWidth, bool HasInit, |
| SourceLocation TSSL, |
| AccessSpecifier AS, NamedDecl *PrevDecl, |
| Declarator *D = 0); |
| |
| enum CXXSpecialMember { |
| CXXDefaultConstructor, |
| CXXCopyConstructor, |
| CXXMoveConstructor, |
| CXXCopyAssignment, |
| CXXMoveAssignment, |
| CXXDestructor, |
| CXXInvalid |
| }; |
| bool CheckNontrivialField(FieldDecl *FD); |
| void DiagnoseNontrivial(const RecordType* Record, CXXSpecialMember mem); |
| CXXSpecialMember getSpecialMember(const CXXMethodDecl *MD); |
| void ActOnLastBitfield(SourceLocation DeclStart, |
| SmallVectorImpl<Decl *> &AllIvarDecls); |
| Decl *ActOnIvar(Scope *S, SourceLocation DeclStart, |
| Declarator &D, Expr *BitfieldWidth, |
| tok::ObjCKeywordKind visibility); |
| |
| // This is used for both record definitions and ObjC interface declarations. |
| void ActOnFields(Scope* S, SourceLocation RecLoc, Decl *TagDecl, |
| llvm::ArrayRef<Decl *> Fields, |
| SourceLocation LBrac, SourceLocation RBrac, |
| AttributeList *AttrList); |
| |
| /// ActOnTagStartDefinition - Invoked when we have entered the |
| /// scope of a tag's definition (e.g., for an enumeration, class, |
| /// struct, or union). |
| void ActOnTagStartDefinition(Scope *S, Decl *TagDecl); |
| |
| Decl *ActOnObjCContainerStartDefinition(Decl *IDecl); |
| |
| /// ActOnStartCXXMemberDeclarations - Invoked when we have parsed a |
| /// C++ record definition's base-specifiers clause and are starting its |
| /// member declarations. |
| void ActOnStartCXXMemberDeclarations(Scope *S, Decl *TagDecl, |
| SourceLocation FinalLoc, |
| SourceLocation LBraceLoc); |
| |
| /// ActOnTagFinishDefinition - Invoked once we have finished parsing |
| /// the definition of a tag (enumeration, class, struct, or union). |
| void ActOnTagFinishDefinition(Scope *S, Decl *TagDecl, |
| SourceLocation RBraceLoc); |
| |
| void ActOnObjCContainerFinishDefinition(); |
| |
| /// \brief Invoked when we must temporarily exit the objective-c container |
| /// scope for parsing/looking-up C constructs. |
| /// |
| /// Must be followed by a call to \see ActOnObjCReenterContainerContext |
| void ActOnObjCTemporaryExitContainerContext(); |
| void ActOnObjCReenterContainerContext(); |
| |
| /// ActOnTagDefinitionError - Invoked when there was an unrecoverable |
| /// error parsing the definition of a tag. |
| void ActOnTagDefinitionError(Scope *S, Decl *TagDecl); |
| |
| EnumConstantDecl *CheckEnumConstant(EnumDecl *Enum, |
| EnumConstantDecl *LastEnumConst, |
| SourceLocation IdLoc, |
| IdentifierInfo *Id, |
| Expr *val); |
| |
| Decl *ActOnEnumConstant(Scope *S, Decl *EnumDecl, Decl *LastEnumConstant, |
| SourceLocation IdLoc, IdentifierInfo *Id, |
| AttributeList *Attrs, |
| SourceLocation EqualLoc, Expr *Val); |
| void ActOnEnumBody(SourceLocation EnumLoc, SourceLocation LBraceLoc, |
| SourceLocation RBraceLoc, Decl *EnumDecl, |
| Decl **Elements, unsigned NumElements, |
| Scope *S, AttributeList *Attr); |
| |
| DeclContext *getContainingDC(DeclContext *DC); |
| |
| /// Set the current declaration context until it gets popped. |
| void PushDeclContext(Scope *S, DeclContext *DC); |
| void PopDeclContext(); |
| |
| /// EnterDeclaratorContext - Used when we must lookup names in the context |
| /// of a declarator's nested name specifier. |
| void EnterDeclaratorContext(Scope *S, DeclContext *DC); |
| void ExitDeclaratorContext(Scope *S); |
| |
| /// Push the parameters of D, which must be a function, into scope. |
| void ActOnReenterFunctionContext(Scope* S, Decl* D); |
| void ActOnExitFunctionContext() { PopDeclContext(); } |
| |
| DeclContext *getFunctionLevelDeclContext(); |
| |
| /// getCurFunctionDecl - If inside of a function body, this returns a pointer |
| /// to the function decl for the function being parsed. If we're currently |
| /// in a 'block', this returns the containing context. |
| FunctionDecl *getCurFunctionDecl(); |
| |
| /// getCurMethodDecl - If inside of a method body, this returns a pointer to |
| /// the method decl for the method being parsed. If we're currently |
| /// in a 'block', this returns the containing context. |
| ObjCMethodDecl *getCurMethodDecl(); |
| |
| /// getCurFunctionOrMethodDecl - Return the Decl for the current ObjC method |
| /// or C function we're in, otherwise return null. If we're currently |
| /// in a 'block', this returns the containing context. |
| NamedDecl *getCurFunctionOrMethodDecl(); |
| |
| /// Add this decl to the scope shadowed decl chains. |
| void PushOnScopeChains(NamedDecl *D, Scope *S, bool AddToContext = true); |
| |
| /// isDeclInScope - If 'Ctx' is a function/method, isDeclInScope returns true |
| /// if 'D' is in Scope 'S', otherwise 'S' is ignored and isDeclInScope returns |
| /// true if 'D' belongs to the given declaration context. |
| /// |
| /// \param ExplicitInstantiationOrSpecialization When true, we are checking |
| /// whether the declaration is in scope for the purposes of explicit template |
| /// instantiation or specialization. The default is false. |
| bool isDeclInScope(NamedDecl *&D, DeclContext *Ctx, Scope *S = 0, |
| bool ExplicitInstantiationOrSpecialization = false); |
| |
| /// Finds the scope corresponding to the given decl context, if it |
| /// happens to be an enclosing scope. Otherwise return NULL. |
| static Scope *getScopeForDeclContext(Scope *S, DeclContext *DC); |
| |
| /// Subroutines of ActOnDeclarator(). |
| TypedefDecl *ParseTypedefDecl(Scope *S, Declarator &D, QualType T, |
| TypeSourceInfo *TInfo); |
| void MergeTypedefNameDecl(TypedefNameDecl *New, LookupResult &OldDecls); |
| bool MergeFunctionDecl(FunctionDecl *New, Decl *Old); |
| bool MergeCompatibleFunctionDecls(FunctionDecl *New, FunctionDecl *Old); |
| void mergeObjCMethodDecls(ObjCMethodDecl *New, const ObjCMethodDecl *Old); |
| void MergeVarDecl(VarDecl *New, LookupResult &OldDecls); |
| void MergeVarDeclTypes(VarDecl *New, VarDecl *Old); |
| void MergeVarDeclExceptionSpecs(VarDecl *New, VarDecl *Old); |
| bool MergeCXXFunctionDecl(FunctionDecl *New, FunctionDecl *Old); |
| |
| // AssignmentAction - This is used by all the assignment diagnostic functions |
| // to represent what is actually causing the operation |
| enum AssignmentAction { |
| AA_Assigning, |
| AA_Passing, |
| AA_Returning, |
| AA_Converting, |
| AA_Initializing, |
| AA_Sending, |
| AA_Casting |
| }; |
| |
| /// C++ Overloading. |
| enum OverloadKind { |
| /// This is a legitimate overload: the existing declarations are |
| /// functions or function templates with different signatures. |
| Ovl_Overload, |
| |
| /// This is not an overload because the signature exactly matches |
| /// an existing declaration. |
| Ovl_Match, |
| |
| /// This is not an overload because the lookup results contain a |
| /// non-function. |
| Ovl_NonFunction |
| }; |
| OverloadKind CheckOverload(Scope *S, |
| FunctionDecl *New, |
| const LookupResult &OldDecls, |
| NamedDecl *&OldDecl, |
| bool IsForUsingDecl); |
| bool IsOverload(FunctionDecl *New, FunctionDecl *Old, bool IsForUsingDecl); |
| |
| /// \brief Checks availability of the function depending on the current |
| /// function context.Inside an unavailable function,unavailability is ignored. |
| /// |
| /// \returns true if \arg FD is unavailable and current context is inside |
| /// an available function, false otherwise. |
| bool isFunctionConsideredUnavailable(FunctionDecl *FD); |
| |
| ImplicitConversionSequence |
| TryImplicitConversion(Expr *From, QualType ToType, |
| bool SuppressUserConversions, |
| bool AllowExplicit, |
| bool InOverloadResolution, |
| bool CStyle, |
| bool AllowObjCWritebackConversion); |
| |
| bool IsIntegralPromotion(Expr *From, QualType FromType, QualType ToType); |
| bool IsFloatingPointPromotion(QualType FromType, QualType ToType); |
| bool IsComplexPromotion(QualType FromType, QualType ToType); |
| bool IsPointerConversion(Expr *From, QualType FromType, QualType ToType, |
| bool InOverloadResolution, |
| QualType& ConvertedType, bool &IncompatibleObjC); |
| bool isObjCPointerConversion(QualType FromType, QualType ToType, |
| QualType& ConvertedType, bool &IncompatibleObjC); |
| bool isObjCWritebackConversion(QualType FromType, QualType ToType, |
| QualType &ConvertedType); |
| bool IsBlockPointerConversion(QualType FromType, QualType ToType, |
| QualType& ConvertedType); |
| bool FunctionArgTypesAreEqual(const FunctionProtoType *OldType, |
| const FunctionProtoType *NewType); |
| |
| CastKind PrepareCastToObjCObjectPointer(ExprResult &E); |
| bool CheckPointerConversion(Expr *From, QualType ToType, |
| CastKind &Kind, |
| CXXCastPath& BasePath, |
| bool IgnoreBaseAccess); |
| bool IsMemberPointerConversion(Expr *From, QualType FromType, QualType ToType, |
| bool InOverloadResolution, |
| QualType &ConvertedType); |
| bool CheckMemberPointerConversion(Expr *From, QualType ToType, |
| CastKind &Kind, |
| CXXCastPath &BasePath, |
| bool IgnoreBaseAccess); |
| bool IsQualificationConversion(QualType FromType, QualType ToType, |
| bool CStyle, bool &ObjCLifetimeConversion); |
| bool IsNoReturnConversion(QualType FromType, QualType ToType, |
| QualType &ResultTy); |
| bool DiagnoseMultipleUserDefinedConversion(Expr *From, QualType ToType); |
| |
| |
| ExprResult PerformMoveOrCopyInitialization(const InitializedEntity &Entity, |
| const VarDecl *NRVOCandidate, |
| QualType ResultType, |
| Expr *Value, |
| bool AllowNRVO = true); |
| |
| bool CanPerformCopyInitialization(const InitializedEntity &Entity, |
| ExprResult Init); |
| ExprResult PerformCopyInitialization(const InitializedEntity &Entity, |
| SourceLocation EqualLoc, |
| ExprResult Init, |
| bool TopLevelOfInitList = false); |
| ExprResult PerformObjectArgumentInitialization(Expr *From, |
| NestedNameSpecifier *Qualifier, |
| NamedDecl *FoundDecl, |
| CXXMethodDecl *Method); |
| |
| ExprResult PerformContextuallyConvertToBool(Expr *From); |
| ExprResult PerformContextuallyConvertToObjCPointer(Expr *From); |
| |
| ExprResult |
| ConvertToIntegralOrEnumerationType(SourceLocation Loc, Expr *FromE, |
| const PartialDiagnostic &NotIntDiag, |
| const PartialDiagnostic &IncompleteDiag, |
| const PartialDiagnostic &ExplicitConvDiag, |
| const PartialDiagnostic &ExplicitConvNote, |
| const PartialDiagnostic &AmbigDiag, |
| const PartialDiagnostic &AmbigNote, |
| const PartialDiagnostic &ConvDiag); |
| |
| ExprResult PerformObjectMemberConversion(Expr *From, |
| NestedNameSpecifier *Qualifier, |
| NamedDecl *FoundDecl, |
| NamedDecl *Member); |
| |
| // Members have to be NamespaceDecl* or TranslationUnitDecl*. |
| // TODO: make this is a typesafe union. |
| typedef llvm::SmallPtrSet<DeclContext *, 16> AssociatedNamespaceSet; |
| typedef llvm::SmallPtrSet<CXXRecordDecl *, 16> AssociatedClassSet; |
| |
| void AddOverloadCandidate(NamedDecl *Function, |
| DeclAccessPair FoundDecl, |
| Expr **Args, unsigned NumArgs, |
| OverloadCandidateSet &CandidateSet); |
| |
| void AddOverloadCandidate(FunctionDecl *Function, |
| DeclAccessPair FoundDecl, |
| Expr **Args, unsigned NumArgs, |
| OverloadCandidateSet& CandidateSet, |
| bool SuppressUserConversions = false, |
| bool PartialOverloading = false); |
| void AddFunctionCandidates(const UnresolvedSetImpl &Functions, |
| Expr **Args, unsigned NumArgs, |
| OverloadCandidateSet& CandidateSet, |
| bool SuppressUserConversions = false); |
| void AddMethodCandidate(DeclAccessPair FoundDecl, |
| QualType ObjectType, |
| Expr::Classification ObjectClassification, |
| Expr **Args, unsigned NumArgs, |
| OverloadCandidateSet& CandidateSet, |
| bool SuppressUserConversion = false); |
| void AddMethodCandidate(CXXMethodDecl *Method, |
| DeclAccessPair FoundDecl, |
| CXXRecordDecl *ActingContext, QualType ObjectType, |
| Expr::Classification ObjectClassification, |
| Expr **Args, unsigned NumArgs, |
| OverloadCandidateSet& CandidateSet, |
| bool SuppressUserConversions = false); |
| void AddMethodTemplateCandidate(FunctionTemplateDecl *MethodTmpl, |
| DeclAccessPair FoundDecl, |
| CXXRecordDecl *ActingContext, |
| TemplateArgumentListInfo *ExplicitTemplateArgs, |
| QualType ObjectType, |
| Expr::Classification ObjectClassification, |
| Expr **Args, unsigned NumArgs, |
| OverloadCandidateSet& CandidateSet, |
| bool SuppressUserConversions = false); |
| void AddTemplateOverloadCandidate(FunctionTemplateDecl *FunctionTemplate, |
| DeclAccessPair FoundDecl, |
| TemplateArgumentListInfo *ExplicitTemplateArgs, |
| Expr **Args, unsigned NumArgs, |
| OverloadCandidateSet& CandidateSet, |
| bool SuppressUserConversions = false); |
| void AddConversionCandidate(CXXConversionDecl *Conversion, |
| DeclAccessPair FoundDecl, |
| CXXRecordDecl *ActingContext, |
| Expr *From, QualType ToType, |
| OverloadCandidateSet& CandidateSet); |
| void AddTemplateConversionCandidate(FunctionTemplateDecl *FunctionTemplate, |
| DeclAccessPair FoundDecl, |
| CXXRecordDecl *ActingContext, |
| Expr *From, QualType ToType, |
| OverloadCandidateSet &CandidateSet); |
| void AddSurrogateCandidate(CXXConversionDecl *Conversion, |
| DeclAccessPair FoundDecl, |
| CXXRecordDecl *ActingContext, |
| const FunctionProtoType *Proto, |
| Expr *Object, Expr **Args, unsigned NumArgs, |
| OverloadCandidateSet& CandidateSet); |
| void AddMemberOperatorCandidates(OverloadedOperatorKind Op, |
| SourceLocation OpLoc, |
| Expr **Args, unsigned NumArgs, |
| OverloadCandidateSet& CandidateSet, |
| SourceRange OpRange = SourceRange()); |
| void AddBuiltinCandidate(QualType ResultTy, QualType *ParamTys, |
| Expr **Args, unsigned NumArgs, |
| OverloadCandidateSet& CandidateSet, |
| bool IsAssignmentOperator = false, |
| unsigned NumContextualBoolArguments = 0); |
| void AddBuiltinOperatorCandidates(OverloadedOperatorKind Op, |
| SourceLocation OpLoc, |
| Expr **Args, unsigned NumArgs, |
| OverloadCandidateSet& CandidateSet); |
| void AddArgumentDependentLookupCandidates(DeclarationName Name, |
| bool Operator, |
| Expr **Args, unsigned NumArgs, |
| TemplateArgumentListInfo *ExplicitTemplateArgs, |
| OverloadCandidateSet& CandidateSet, |
| bool PartialOverloading = false, |
| bool StdNamespaceIsAssociated = false); |
| |
| // Emit as a 'note' the specific overload candidate |
| void NoteOverloadCandidate(FunctionDecl *Fn); |
| |
| // Emit as a series of 'note's all template and non-templates |
| // identified by the expression Expr |
| void NoteAllOverloadCandidates(Expr* E); |
| |
| // [PossiblyAFunctionType] --> [Return] |
| // NonFunctionType --> NonFunctionType |
| // R (A) --> R(A) |
| // R (*)(A) --> R (A) |
| // R (&)(A) --> R (A) |
| // R (S::*)(A) --> R (A) |
| QualType ExtractUnqualifiedFunctionType(QualType PossiblyAFunctionType); |
| |
| FunctionDecl *ResolveAddressOfOverloadedFunction(Expr *AddressOfExpr, QualType TargetType, |
| bool Complain, |
| DeclAccessPair &Found); |
| |
| FunctionDecl *ResolveSingleFunctionTemplateSpecialization(OverloadExpr *ovl, |
| bool Complain = false, |
| DeclAccessPair* Found = 0); |
| |
| ExprResult ResolveAndFixSingleFunctionTemplateSpecialization( |
| Expr *SrcExpr, bool DoFunctionPointerConverion = false, |
| bool Complain = false, |
| const SourceRange& OpRangeForComplaining = SourceRange(), |
| QualType DestTypeForComplaining = QualType(), |
| unsigned DiagIDForComplaining = 0); |
| |
| |
| Expr *FixOverloadedFunctionReference(Expr *E, |
| DeclAccessPair FoundDecl, |
| FunctionDecl *Fn); |
| ExprResult FixOverloadedFunctionReference(ExprResult, |
| DeclAccessPair FoundDecl, |
| FunctionDecl *Fn); |
| |
| void AddOverloadedCallCandidates(UnresolvedLookupExpr *ULE, |
| Expr **Args, unsigned NumArgs, |
| OverloadCandidateSet &CandidateSet, |
| bool PartialOverloading = false); |
| |
| ExprResult BuildOverloadedCallExpr(Scope *S, Expr *Fn, |
| UnresolvedLookupExpr *ULE, |
| SourceLocation LParenLoc, |
| Expr **Args, unsigned NumArgs, |
| SourceLocation RParenLoc, |
| Expr *ExecConfig); |
| |
| ExprResult CreateOverloadedUnaryOp(SourceLocation OpLoc, |
| unsigned Opc, |
| const UnresolvedSetImpl &Fns, |
| Expr *input); |
| |
| ExprResult CreateOverloadedBinOp(SourceLocation OpLoc, |
| unsigned Opc, |
| const UnresolvedSetImpl &Fns, |
| Expr *LHS, Expr *RHS); |
| |
| ExprResult CreateOverloadedArraySubscriptExpr(SourceLocation LLoc, |
| SourceLocation RLoc, |
| Expr *Base,Expr *Idx); |
| |
| ExprResult |
| BuildCallToMemberFunction(Scope *S, Expr *MemExpr, |
| SourceLocation LParenLoc, Expr **Args, |
| unsigned NumArgs, SourceLocation RParenLoc); |
| ExprResult |
| BuildCallToObjectOfClassType(Scope *S, Expr *Object, SourceLocation LParenLoc, |
| Expr **Args, unsigned NumArgs, |
| SourceLocation RParenLoc); |
| |
| ExprResult BuildOverloadedArrowExpr(Scope *S, Expr *Base, |
| SourceLocation OpLoc); |
| |
| /// CheckCallReturnType - Checks that a call expression's return type is |
| /// complete. Returns true on failure. The location passed in is the location |
| /// that best represents the call. |
| bool CheckCallReturnType(QualType ReturnType, SourceLocation Loc, |
| CallExpr *CE, FunctionDecl *FD); |
| |
| /// Helpers for dealing with blocks and functions. |
| bool CheckParmsForFunctionDef(ParmVarDecl **Param, ParmVarDecl **ParamEnd, |
| bool CheckParameterNames); |
| void CheckCXXDefaultArguments(FunctionDecl *FD); |
| void CheckExtraCXXDefaultArguments(Declarator &D); |
| Scope *getNonFieldDeclScope(Scope *S); |
| |
| /// \name Name lookup |
| /// |
| /// These routines provide name lookup that is used during semantic |
| /// analysis to resolve the various kinds of names (identifiers, |
| /// overloaded operator names, constructor names, etc.) into zero or |
| /// more declarations within a particular scope. The major entry |
| /// points are LookupName, which performs unqualified name lookup, |
| /// and LookupQualifiedName, which performs qualified name lookup. |
| /// |
| /// All name lookup is performed based on some specific criteria, |
| /// which specify what names will be visible to name lookup and how |
| /// far name lookup should work. These criteria are important both |
| /// for capturing language semantics (certain lookups will ignore |
| /// certain names, for example) and for performance, since name |
| /// lookup is often a bottleneck in the compilation of C++. Name |
| /// lookup criteria is specified via the LookupCriteria enumeration. |
| /// |
| /// The results of name lookup can vary based on the kind of name |
| /// lookup performed, the current language, and the translation |
| /// unit. In C, for example, name lookup will either return nothing |
| /// (no entity found) or a single declaration. In C++, name lookup |
| /// can additionally refer to a set of overloaded functions or |
| /// result in an ambiguity. All of the possible results of name |
| /// lookup are captured by the LookupResult class, which provides |
| /// the ability to distinguish among them. |
| //@{ |
| |
| /// @brief Describes the kind of name lookup to perform. |
| enum LookupNameKind { |
| /// Ordinary name lookup, which finds ordinary names (functions, |
| /// variables, typedefs, etc.) in C and most kinds of names |
| /// (functions, variables, members, types, etc.) in C++. |
| LookupOrdinaryName = 0, |
| /// Tag name lookup, which finds the names of enums, classes, |
| /// structs, and unions. |
| LookupTagName, |
| /// Label name lookup. |
| LookupLabel, |
| /// Member name lookup, which finds the names of |
| /// class/struct/union members. |
| LookupMemberName, |
| /// Look up of an operator name (e.g., operator+) for use with |
| /// operator overloading. This lookup is similar to ordinary name |
| /// lookup, but will ignore any declarations that are class members. |
| LookupOperatorName, |
| /// Look up of a name that precedes the '::' scope resolution |
| /// operator in C++. This lookup completely ignores operator, object, |
| /// function, and enumerator names (C++ [basic.lookup.qual]p1). |
| LookupNestedNameSpecifierName, |
| /// Look up a namespace name within a C++ using directive or |
| /// namespace alias definition, ignoring non-namespace names (C++ |
| /// [basic.lookup.udir]p1). |
| LookupNamespaceName, |
| /// Look up all declarations in a scope with the given name, |
| /// including resolved using declarations. This is appropriate |
| /// for checking redeclarations for a using declaration. |
| LookupUsingDeclName, |
| /// Look up an ordinary name that is going to be redeclared as a |
| /// name with linkage. This lookup ignores any declarations that |
| /// are outside of the current scope unless they have linkage. See |
| /// C99 6.2.2p4-5 and C++ [basic.link]p6. |
| LookupRedeclarationWithLinkage, |
| /// Look up the name of an Objective-C protocol. |
| LookupObjCProtocolName, |
| /// Look up implicit 'self' parameter of an objective-c method. |
| LookupObjCImplicitSelfParam, |
| /// \brief Look up any declaration with any name. |
| LookupAnyName |
| }; |
| |
| /// \brief Specifies whether (or how) name lookup is being performed for a |
| /// redeclaration (vs. a reference). |
| enum RedeclarationKind { |
| /// \brief The lookup is a reference to this name that is not for the |
| /// purpose of redeclaring the name. |
| NotForRedeclaration = 0, |
| /// \brief The lookup results will be used for redeclaration of a name, |
| /// if an entity by that name already exists. |
| ForRedeclaration |
| }; |
| |
| private: |
| bool CppLookupName(LookupResult &R, Scope *S); |
| |
| SpecialMemberOverloadResult *LookupSpecialMember(CXXRecordDecl *D, |
| CXXSpecialMember SM, |
| bool ConstArg, |
| bool VolatileArg, |
| bool RValueThis, |
| bool ConstThis, |
| bool VolatileThis); |
| |
| // \brief The set of known/encountered (unique, canonicalized) NamespaceDecls. |
| // |
| // The boolean value will be true to indicate that the namespace was loaded |
| // from an AST/PCH file, or false otherwise. |
| llvm::DenseMap<NamespaceDecl*, bool> KnownNamespaces; |
| |
| /// \brief Whether we have already loaded known namespaces from an extenal |
| /// source. |
| bool LoadedExternalKnownNamespaces; |
| |
| public: |
| /// \brief Look up a name, looking for a single declaration. Return |
| /// null if the results were absent, ambiguous, or overloaded. |
| /// |
| /// It is preferable to use the elaborated form and explicitly handle |
| /// ambiguity and overloaded. |
| NamedDecl *LookupSingleName(Scope *S, DeclarationName Name, |
| SourceLocation Loc, |
| LookupNameKind NameKind, |
| RedeclarationKind Redecl |
| = NotForRedeclaration); |
| bool LookupName(LookupResult &R, Scope *S, |
| bool AllowBuiltinCreation = false); |
| bool LookupQualifiedName(LookupResult &R, DeclContext *LookupCtx, |
| bool InUnqualifiedLookup = false); |
| bool LookupParsedName(LookupResult &R, Scope *S, CXXScopeSpec *SS, |
| bool AllowBuiltinCreation = false, |
| bool EnteringContext = false); |
| ObjCProtocolDecl *LookupProtocol(IdentifierInfo *II, SourceLocation IdLoc); |
| |
| void LookupOverloadedOperatorName(OverloadedOperatorKind Op, Scope *S, |
| QualType T1, QualType T2, |
| UnresolvedSetImpl &Functions); |
| |
| LabelDecl *LookupOrCreateLabel(IdentifierInfo *II, SourceLocation IdentLoc, |
| SourceLocation GnuLabelLoc = SourceLocation()); |
| |
| DeclContextLookupResult LookupConstructors(CXXRecordDecl *Class); |
| CXXConstructorDecl *LookupDefaultConstructor(CXXRecordDecl *Class); |
| CXXConstructorDecl *LookupCopyingConstructor(CXXRecordDecl *Class, |
| unsigned Quals, |
| bool *ConstParam = 0); |
| CXXMethodDecl *LookupCopyingAssignment(CXXRecordDecl *Class, unsigned Quals, |
| bool RValueThis, unsigned ThisQuals, |
| bool *ConstParam = 0); |
| CXXConstructorDecl *LookupMovingConstructor(CXXRecordDecl *Class); |
| CXXMethodDecl *LookupMovingAssignment(CXXRecordDecl *Class, bool RValueThis, |
| unsigned ThisQuals); |
| CXXDestructorDecl *LookupDestructor(CXXRecordDecl *Class); |
| |
| void ArgumentDependentLookup(DeclarationName Name, bool Operator, |
| Expr **Args, unsigned NumArgs, |
| ADLResult &Functions, |
| bool StdNamespaceIsAssociated = false); |
| |
| void LookupVisibleDecls(Scope *S, LookupNameKind Kind, |
| VisibleDeclConsumer &Consumer, |
| bool IncludeGlobalScope = true); |
| void LookupVisibleDecls(DeclContext *Ctx, LookupNameKind Kind, |
| VisibleDeclConsumer &Consumer, |
| bool IncludeGlobalScope = true); |
| |
| /// \brief The context in which typo-correction occurs. |
| /// |
| /// The typo-correction context affects which keywords (if any) are |
| /// considered when trying to correct for typos. |
| enum CorrectTypoContext { |
| /// \brief An unknown context, where any keyword might be valid. |
| CTC_Unknown, |
| /// \brief A context where no keywords are used (e.g. we expect an actual |
| /// name). |
| CTC_NoKeywords, |
| /// \brief A context where we're correcting a type name. |
| CTC_Type, |
| /// \brief An expression context. |
| CTC_Expression, |
| /// \brief A type cast, or anything else that can be followed by a '<'. |
| CTC_CXXCasts, |
| /// \brief A member lookup context. |
| CTC_MemberLookup, |
| /// \brief An Objective-C ivar lookup context (e.g., self->ivar). |
| CTC_ObjCIvarLookup, |
| /// \brief An Objective-C property lookup context (e.g., self.prop). |
| CTC_ObjCPropertyLookup, |
| /// \brief The receiver of an Objective-C message send within an |
| /// Objective-C method where 'super' is a valid keyword. |
| CTC_ObjCMessageReceiver |
| }; |
| |
| TypoCorrection CorrectTypo(const DeclarationNameInfo &Typo, |
| Sema::LookupNameKind LookupKind, |
| Scope *S, CXXScopeSpec *SS, |
| DeclContext *MemberContext = NULL, |
| bool EnteringContext = false, |
| CorrectTypoContext CTC = CTC_Unknown, |
| const ObjCObjectPointerType *OPT = NULL); |
| |
| void FindAssociatedClassesAndNamespaces(Expr **Args, unsigned NumArgs, |
| AssociatedNamespaceSet &AssociatedNamespaces, |
| AssociatedClassSet &AssociatedClasses); |
| |
| void FilterLookupForScope(LookupResult &R, DeclContext *Ctx, Scope *S, |
| bool ConsiderLinkage, |
| bool ExplicitInstantiationOrSpecialization); |
| |
| bool DiagnoseAmbiguousLookup(LookupResult &Result); |
| //@} |
| |
| ObjCInterfaceDecl *getObjCInterfaceDecl(IdentifierInfo *&Id, |
| SourceLocation IdLoc, |
| bool TypoCorrection = false); |
| NamedDecl *LazilyCreateBuiltin(IdentifierInfo *II, unsigned ID, |
| Scope *S, bool ForRedeclaration, |
| SourceLocation Loc); |
| NamedDecl *ImplicitlyDefineFunction(SourceLocation Loc, IdentifierInfo &II, |
| Scope *S); |
| void AddKnownFunctionAttributes(FunctionDecl *FD); |
| |
| // More parsing and symbol table subroutines. |
| |
| // Decl attributes - this routine is the top level dispatcher. |
| void ProcessDeclAttributes(Scope *S, Decl *D, const Declarator &PD, |
| bool NonInheritable = true, bool Inheritable = true); |
| void ProcessDeclAttributeList(Scope *S, Decl *D, const AttributeList *AL, |
| bool NonInheritable = true, bool Inheritable = true); |
| |
| void checkUnusedDeclAttributes(Declarator &D); |
| |
| bool CheckRegparmAttr(const AttributeList &attr, unsigned &value); |
| bool CheckCallingConvAttr(const AttributeList &attr, CallingConv &CC); |
| bool CheckNoReturnAttr(const AttributeList &attr); |
| |
| void WarnUndefinedMethod(SourceLocation ImpLoc, ObjCMethodDecl *method, |
| bool &IncompleteImpl, unsigned DiagID); |
| void WarnConflictingTypedMethods(ObjCMethodDecl *Method, |
| ObjCMethodDecl *MethodDecl, |
| bool IsProtocolMethodDecl); |
| |
| void CheckConflictingOverridingMethod(ObjCMethodDecl *Method, |
| ObjCMethodDecl *Overridden, |
| bool IsProtocolMethodDecl); |
| |
| /// WarnExactTypedMethods - This routine issues a warning if method |
| /// implementation declaration matches exactly that of its declaration. |
| void WarnExactTypedMethods(ObjCMethodDecl *Method, |
| ObjCMethodDecl *MethodDecl, |
| bool IsProtocolMethodDecl); |
| |
| bool isPropertyReadonly(ObjCPropertyDecl *PropertyDecl, |
| ObjCInterfaceDecl *IDecl); |
| |
| typedef llvm::DenseSet<Selector, llvm::DenseMapInfo<Selector> > SelectorSet; |
| typedef llvm::DenseMap<Selector, ObjCMethodDecl*> ProtocolsMethodsMap; |
| |
| /// CheckProtocolMethodDefs - This routine checks unimplemented |
| /// methods declared in protocol, and those referenced by it. |
| /// \param IDecl - Used for checking for methods which may have been |
| /// inherited. |
| void CheckProtocolMethodDefs(SourceLocation ImpLoc, |
| ObjCProtocolDecl *PDecl, |
| bool& IncompleteImpl, |
| const SelectorSet &InsMap, |
| const SelectorSet &ClsMap, |
| ObjCContainerDecl *CDecl); |
| |
| /// CheckImplementationIvars - This routine checks if the instance variables |
| /// listed in the implelementation match those listed in the interface. |
| void CheckImplementationIvars(ObjCImplementationDecl *ImpDecl, |
| ObjCIvarDecl **Fields, unsigned nIvars, |
| SourceLocation Loc); |
| |
| /// ImplMethodsVsClassMethods - This is main routine to warn if any method |
| /// remains unimplemented in the class or category @implementation. |
| void ImplMethodsVsClassMethods(Scope *S, ObjCImplDecl* IMPDecl, |
| ObjCContainerDecl* IDecl, |
| bool IncompleteImpl = false); |
| |
| /// DiagnoseUnimplementedProperties - This routine warns on those properties |
| /// which must be implemented by this implementation. |
| void DiagnoseUnimplementedProperties(Scope *S, ObjCImplDecl* IMPDecl, |
| ObjCContainerDecl *CDecl, |
| const SelectorSet &InsMap); |
| |
| /// DefaultSynthesizeProperties - This routine default synthesizes all |
| /// properties which must be synthesized in class's @implementation. |
| void DefaultSynthesizeProperties (Scope *S, ObjCImplDecl* IMPDecl, |
| ObjCInterfaceDecl *IDecl); |
| void DefaultSynthesizeProperties(Scope *S, Decl *D); |
| |
| /// CollectImmediateProperties - This routine collects all properties in |
| /// the class and its conforming protocols; but not those it its super class. |
| void CollectImmediateProperties(ObjCContainerDecl *CDecl, |
| llvm::DenseMap<IdentifierInfo *, ObjCPropertyDecl*>& PropMap, |
| llvm::DenseMap<IdentifierInfo *, ObjCPropertyDecl*>& SuperPropMap); |
| |
| |
| /// LookupPropertyDecl - Looks up a property in the current class and all |
| /// its protocols. |
| ObjCPropertyDecl *LookupPropertyDecl(const ObjCContainerDecl *CDecl, |
| IdentifierInfo *II); |
| |
| /// Called by ActOnProperty to handle @property declarations in |
| //// class extensions. |
| Decl *HandlePropertyInClassExtension(Scope *S, |
| SourceLocation AtLoc, |
| FieldDeclarator &FD, |
| Selector GetterSel, |
| Selector SetterSel, |
| const bool isAssign, |
| const bool isReadWrite, |
| const unsigned Attributes, |
| bool *isOverridingProperty, |
| TypeSourceInfo *T, |
| tok::ObjCKeywordKind MethodImplKind); |
| |
| /// Called by ActOnProperty and HandlePropertyInClassExtension to |
| /// handle creating the ObjcPropertyDecl for a category or @interface. |
| ObjCPropertyDecl *CreatePropertyDecl(Scope *S, |
| ObjCContainerDecl *CDecl, |
| SourceLocation AtLoc, |
| FieldDeclarator &FD, |
| Selector GetterSel, |
| Selector SetterSel, |
| const bool isAssign, |
| const bool isReadWrite, |
| const unsigned Attributes, |
| TypeSourceInfo *T, |
| tok::ObjCKeywordKind MethodImplKind, |
| DeclContext *lexicalDC = 0); |
| |
| /// AtomicPropertySetterGetterRules - This routine enforces the rule (via |
| /// warning) when atomic property has one but not the other user-declared |
| /// setter or getter. |
| void AtomicPropertySetterGetterRules(ObjCImplDecl* IMPDecl, |
| ObjCContainerDecl* IDecl); |
| |
| void DiagnoseOwningPropertyGetterSynthesis(const ObjCImplementationDecl *D); |
| |
| void DiagnoseDuplicateIvars(ObjCInterfaceDecl *ID, ObjCInterfaceDecl *SID); |
| |
| enum MethodMatchStrategy { |
| MMS_loose, |
| MMS_strict |
| }; |
| |
| /// MatchTwoMethodDeclarations - Checks if two methods' type match and returns |
| /// true, or false, accordingly. |
| bool MatchTwoMethodDeclarations(const ObjCMethodDecl *Method, |
| const ObjCMethodDecl *PrevMethod, |
| MethodMatchStrategy strategy = MMS_strict); |
| |
| /// MatchAllMethodDeclarations - Check methods declaraed in interface or |
| /// or protocol against those declared in their implementations. |
| void MatchAllMethodDeclarations(const SelectorSet &InsMap, |
| const SelectorSet &ClsMap, |
| SelectorSet &InsMapSeen, |
| SelectorSet &ClsMapSeen, |
| ObjCImplDecl* IMPDecl, |
| ObjCContainerDecl* IDecl, |
| bool &IncompleteImpl, |
| bool ImmediateClass, |
| bool WarnExactMatch=false); |
| |
| /// CheckCategoryVsClassMethodMatches - Checks that methods implemented in |
| /// category matches with those implemented in its primary class and |
| /// warns each time an exact match is found. |
| void CheckCategoryVsClassMethodMatches(ObjCCategoryImplDecl *CatIMP); |
| |
| private: |
| /// AddMethodToGlobalPool - Add an instance or factory method to the global |
| /// pool. See descriptoin of AddInstanceMethodToGlobalPool. |
| void AddMethodToGlobalPool(ObjCMethodDecl *Method, bool impl, bool instance); |
| |
| /// LookupMethodInGlobalPool - Returns the instance or factory method and |
| /// optionally warns if there are multiple signatures. |
| ObjCMethodDecl *LookupMethodInGlobalPool(Selector Sel, SourceRange R, |
| bool receiverIdOrClass, |
| bool warn, bool instance); |
| |
| public: |
| /// AddInstanceMethodToGlobalPool - All instance methods in a translation |
| /// unit are added to a global pool. This allows us to efficiently associate |
| /// a selector with a method declaraation for purposes of typechecking |
| /// messages sent to "id" (where the class of the object is unknown). |
| void AddInstanceMethodToGlobalPool(ObjCMethodDecl *Method, bool impl=false) { |
| AddMethodToGlobalPool(Method, impl, /*instance*/true); |
| } |
| |
| /// AddFactoryMethodToGlobalPool - Same as above, but for factory methods. |
| void AddFactoryMethodToGlobalPool(ObjCMethodDecl *Method, bool impl=false) { |
| AddMethodToGlobalPool(Method, impl, /*instance*/false); |
| } |
| |
| /// AddAnyMethodToGlobalPool - Add any method, instance or factory to global |
| /// pool. |
| void AddAnyMethodToGlobalPool(Decl *D); |
| |
| /// LookupInstanceMethodInGlobalPool - Returns the method and warns if |
| /// there are multiple signatures. |
| ObjCMethodDecl *LookupInstanceMethodInGlobalPool(Selector Sel, SourceRange R, |
| bool receiverIdOrClass=false, |
| bool warn=true) { |
| return LookupMethodInGlobalPool(Sel, R, receiverIdOrClass, |
| warn, /*instance*/true); |
| } |
| |
| /// LookupFactoryMethodInGlobalPool - Returns the method and warns if |
| /// there are multiple signatures. |
| ObjCMethodDecl *LookupFactoryMethodInGlobalPool(Selector Sel, SourceRange R, |
| bool receiverIdOrClass=false, |
| bool warn=true) { |
| return LookupMethodInGlobalPool(Sel, R, receiverIdOrClass, |
| warn, /*instance*/false); |
| } |
| |
| /// LookupImplementedMethodInGlobalPool - Returns the method which has an |
| /// implementation. |
| ObjCMethodDecl *LookupImplementedMethodInGlobalPool(Selector Sel); |
| |
| /// CollectIvarsToConstructOrDestruct - Collect those ivars which require |
| /// initialization. |
| void CollectIvarsToConstructOrDestruct(ObjCInterfaceDecl *OI, |
| SmallVectorImpl<ObjCIvarDecl*> &Ivars); |
| |
| //===--------------------------------------------------------------------===// |
| // Statement Parsing Callbacks: SemaStmt.cpp. |
| public: |
| class FullExprArg { |
| public: |
| FullExprArg(Sema &actions) : E(0) { } |
| |
| // FIXME: The const_cast here is ugly. RValue references would make this |
| // much nicer (or we could duplicate a bunch of the move semantics |
| // emulation code from Ownership.h). |
| FullExprArg(const FullExprArg& Other) : E(Other.E) {} |
| |
| ExprResult release() { |
| return move(E); |
| } |
| |
| Expr *get() const { return E; } |
| |
| Expr *operator->() { |
| return E; |
| } |
| |
| private: |
| // FIXME: No need to make the entire Sema class a friend when it's just |
| // Sema::MakeFullExpr that needs access to the constructor below. |
| friend class Sema; |
| |
| explicit FullExprArg(Expr *expr) : E(expr) {} |
| |
| Expr *E; |
| }; |
| |
| FullExprArg MakeFullExpr(Expr *Arg) { |
| return FullExprArg(ActOnFinishFullExpr(Arg).release()); |
| } |
| |
| StmtResult ActOnExprStmt(FullExprArg Expr); |
| |
| StmtResult ActOnNullStmt(SourceLocation SemiLoc, |
| bool HasLeadingEmptyMacro = false); |
| StmtResult ActOnCompoundStmt(SourceLocation L, SourceLocation R, |
| MultiStmtArg Elts, |
| bool isStmtExpr); |
| StmtResult ActOnDeclStmt(DeclGroupPtrTy Decl, |
| SourceLocation StartLoc, |
| SourceLocation EndLoc); |
| void ActOnForEachDeclStmt(DeclGroupPtrTy Decl); |
| StmtResult ActOnForEachLValueExpr(Expr *E); |
| StmtResult ActOnCaseStmt(SourceLocation CaseLoc, Expr *LHSVal, |
| SourceLocation DotDotDotLoc, Expr *RHSVal, |
| SourceLocation ColonLoc); |
| void ActOnCaseStmtBody(Stmt *CaseStmt, Stmt *SubStmt); |
| |
| StmtResult ActOnDefaultStmt(SourceLocation DefaultLoc, |
| SourceLocation ColonLoc, |
| Stmt *SubStmt, Scope *CurScope); |
| StmtResult ActOnLabelStmt(SourceLocation IdentLoc, LabelDecl *TheDecl, |
| SourceLocation ColonLoc, Stmt *SubStmt); |
| |
| StmtResult ActOnIfStmt(SourceLocation IfLoc, |
| FullExprArg CondVal, Decl *CondVar, |
| Stmt *ThenVal, |
| SourceLocation ElseLoc, Stmt *ElseVal); |
| StmtResult ActOnStartOfSwitchStmt(SourceLocation SwitchLoc, |
| Expr *Cond, |
| Decl *CondVar); |
| StmtResult ActOnFinishSwitchStmt(SourceLocation SwitchLoc, |
| Stmt *Switch, Stmt *Body); |
| StmtResult ActOnWhileStmt(SourceLocation WhileLoc, |
| FullExprArg Cond, |
| Decl *CondVar, Stmt *Body); |
| StmtResult ActOnDoStmt(SourceLocation DoLoc, Stmt *Body, |
| SourceLocation WhileLoc, |
| SourceLocation CondLParen, Expr *Cond, |
| SourceLocation CondRParen); |
| |
| StmtResult ActOnForStmt(SourceLocation ForLoc, |
| SourceLocation LParenLoc, |
| Stmt *First, FullExprArg Second, |
| Decl *SecondVar, |
| FullExprArg Third, |
| SourceLocation RParenLoc, |
| Stmt *Body); |
| ExprResult ActOnObjCForCollectionOperand(SourceLocation forLoc, |
| Expr *collection); |
| StmtResult ActOnObjCForCollectionStmt(SourceLocation ForColLoc, |
| SourceLocation LParenLoc, |
| Stmt *First, Expr *Second, |
| SourceLocation RParenLoc, Stmt *Body); |
| StmtResult ActOnCXXForRangeStmt(SourceLocation ForLoc, |
| SourceLocation LParenLoc, Stmt *LoopVar, |
| SourceLocation ColonLoc, Expr *Collection, |
| SourceLocation RParenLoc); |
| StmtResult BuildCXXForRangeStmt(SourceLocation ForLoc, |
| SourceLocation ColonLoc, |
| Stmt *RangeDecl, Stmt *BeginEndDecl, |
| Expr *Cond, Expr *Inc, |
| Stmt *LoopVarDecl, |
| SourceLocation RParenLoc); |
| StmtResult FinishCXXForRangeStmt(Stmt *ForRange, Stmt *Body); |
| |
| StmtResult ActOnGotoStmt(SourceLocation GotoLoc, |
| SourceLocation LabelLoc, |
| LabelDecl *TheDecl); |
| StmtResult ActOnIndirectGotoStmt(SourceLocation GotoLoc, |
| SourceLocation StarLoc, |
| Expr *DestExp); |
| StmtResult ActOnContinueStmt(SourceLocation ContinueLoc, Scope *CurScope); |
| StmtResult ActOnBreakStmt(SourceLocation GotoLoc, Scope *CurScope); |
| |
| const VarDecl *getCopyElisionCandidate(QualType ReturnType, Expr *E, |
| bool AllowFunctionParameters); |
| |
| StmtResult ActOnReturnStmt(SourceLocation ReturnLoc, Expr *RetValExp); |
| StmtResult ActOnBlockReturnStmt(SourceLocation ReturnLoc, Expr *RetValExp); |
| |
| StmtResult ActOnAsmStmt(SourceLocation AsmLoc, |
| bool IsSimple, bool IsVolatile, |
| unsigned NumOutputs, unsigned NumInputs, |
| IdentifierInfo **Names, |
| MultiExprArg Constraints, |
| MultiExprArg Exprs, |
| Expr *AsmString, |
| MultiExprArg Clobbers, |
| SourceLocation RParenLoc, |
| bool MSAsm = false); |
| |
| |
| VarDecl *BuildObjCExceptionDecl(TypeSourceInfo *TInfo, QualType ExceptionType, |
| SourceLocation StartLoc, |
| SourceLocation IdLoc, IdentifierInfo *Id, |
| bool Invalid = false); |
| |
| Decl *ActOnObjCExceptionDecl(Scope *S, Declarator &D); |
| |
| StmtResult ActOnObjCAtCatchStmt(SourceLocation AtLoc, SourceLocation RParen, |
| Decl *Parm, Stmt *Body); |
| |
| StmtResult ActOnObjCAtFinallyStmt(SourceLocation AtLoc, Stmt *Body); |
| |
| StmtResult ActOnObjCAtTryStmt(SourceLocation AtLoc, Stmt *Try, |
| MultiStmtArg Catch, Stmt *Finally); |
| |
| StmtResult BuildObjCAtThrowStmt(SourceLocation AtLoc, Expr *Throw); |
| StmtResult ActOnObjCAtThrowStmt(SourceLocation AtLoc, Expr *Throw, |
| Scope *CurScope); |
| ExprResult ActOnObjCAtSynchronizedOperand(SourceLocation atLoc, |
| Expr *operand); |
| StmtResult ActOnObjCAtSynchronizedStmt(SourceLocation AtLoc, |
| Expr *SynchExpr, |
| Stmt *SynchBody); |
| |
| StmtResult ActOnObjCAutoreleasePoolStmt(SourceLocation AtLoc, Stmt *Body); |
| |
| VarDecl *BuildExceptionDeclaration(Scope *S, TypeSourceInfo *TInfo, |
| SourceLocation StartLoc, |
| SourceLocation IdLoc, |
| IdentifierInfo *Id); |
| |
| Decl *ActOnExceptionDeclarator(Scope *S, Declarator &D); |
| |
| StmtResult ActOnCXXCatchBlock(SourceLocation CatchLoc, |
| Decl *ExDecl, Stmt *HandlerBlock); |
| StmtResult ActOnCXXTryBlock(SourceLocation TryLoc, Stmt *TryBlock, |
| MultiStmtArg Handlers); |
| |
| StmtResult ActOnSEHTryBlock(bool IsCXXTry, // try (true) or __try (false) ? |
| SourceLocation TryLoc, |
| Stmt *TryBlock, |
| Stmt *Handler); |
| |
| StmtResult ActOnSEHExceptBlock(SourceLocation Loc, |
| Expr *FilterExpr, |
| Stmt *Block); |
| |
| StmtResult ActOnSEHFinallyBlock(SourceLocation Loc, |
| Stmt *Block); |
| |
| void DiagnoseReturnInConstructorExceptionHandler(CXXTryStmt *TryBlock); |
| |
| bool ShouldWarnIfUnusedFileScopedDecl(const DeclaratorDecl *D) const; |
| |
| /// \brief If it's a file scoped decl that must warn if not used, keep track |
| /// of it. |
| void MarkUnusedFileScopedDecl(const DeclaratorDecl *D); |
| |
| /// DiagnoseUnusedExprResult - If the statement passed in is an expression |
| /// whose result is unused, warn. |
| void DiagnoseUnusedExprResult(const Stmt *S); |
| void DiagnoseUnusedDecl(const NamedDecl *ND); |
| |
| ParsingDeclState PushParsingDeclaration() { |
| return DelayedDiagnostics.pushParsingDecl(); |
| } |
| void PopParsingDeclaration(ParsingDeclState state, Decl *decl) { |
| DelayedDiagnostics::popParsingDecl(*this, state, decl); |
| } |
| |
| typedef ProcessingContextState ParsingClassState; |
| ParsingClassState PushParsingClass() { |
| return DelayedDiagnostics.pushContext(); |
| } |
| void PopParsingClass(ParsingClassState state) { |
| DelayedDiagnostics.popContext(state); |
| } |
| |
| void EmitDeprecationWarning(NamedDecl *D, StringRef Message, |
| SourceLocation Loc, |
| const ObjCInterfaceDecl *UnknownObjCClass=0); |
| |
| void HandleDelayedDeprecationCheck(sema::DelayedDiagnostic &DD, Decl *Ctx); |
| |
| bool makeUnavailableInSystemHeader(SourceLocation loc, |
| StringRef message); |
| |
| //===--------------------------------------------------------------------===// |
| // Expression Parsing Callbacks: SemaExpr.cpp. |
| |
| bool CanUseDecl(NamedDecl *D); |
| bool DiagnoseUseOfDecl(NamedDecl *D, SourceLocation Loc, |
| const ObjCInterfaceDecl *UnknownObjCClass=0); |
| std::string getDeletedOrUnavailableSuffix(const FunctionDecl *FD); |
| bool DiagnosePropertyAccessorMismatch(ObjCPropertyDecl *PD, |
| ObjCMethodDecl *Getter, |
| SourceLocation Loc); |
| void DiagnoseSentinelCalls(NamedDecl *D, SourceLocation Loc, |
| Expr **Args, unsigned NumArgs); |
| |
| void PushExpressionEvaluationContext(ExpressionEvaluationContext NewContext); |
| |
| void PopExpressionEvaluationContext(); |
| |
| void DiscardCleanupsInEvaluationContext(); |
| |
| void MarkDeclarationReferenced(SourceLocation Loc, Decl *D); |
| void MarkDeclarationsReferencedInType(SourceLocation Loc, QualType T); |
| void MarkDeclarationsReferencedInExpr(Expr *E); |
| |
| /// \brief Figure out if an expression could be turned into a call. |
| bool isExprCallable(const Expr &E, QualType &ZeroArgCallReturnTy, |
| UnresolvedSetImpl &NonTemplateOverloads); |
| /// \brief Give notes for a set of overloads. |
| void NoteOverloads(const UnresolvedSetImpl &Overloads, |
| const SourceLocation FinalNoteLoc); |
| |
| /// \brief Conditionally issue a diagnostic based on the current |
| /// evaluation context. |
| /// |
| /// \param stmt - If stmt is non-null, delay reporting the diagnostic until |
| /// the function body is parsed, and then do a basic reachability analysis to |
| /// determine if the statement is reachable. If it is unreachable, the |
| /// diagnostic will not be emitted. |
| bool DiagRuntimeBehavior(SourceLocation Loc, const Stmt *Statement, |
| const PartialDiagnostic &PD); |
| |
| // Primary Expressions. |
| SourceRange getExprRange(Expr *E) const; |
| |
| ExprResult ActOnIdExpression(Scope *S, CXXScopeSpec &SS, UnqualifiedId &Id, |
| bool HasTrailingLParen, bool IsAddressOfOperand); |
| |
| void DecomposeUnqualifiedId(const UnqualifiedId &Id, |
| TemplateArgumentListInfo &Buffer, |
| DeclarationNameInfo &NameInfo, |
| const TemplateArgumentListInfo *&TemplateArgs); |
| |
| bool DiagnoseEmptyLookup(Scope *S, CXXScopeSpec &SS, LookupResult &R, |
| CorrectTypoContext CTC = CTC_Unknown, |
| TemplateArgumentListInfo *ExplicitTemplateArgs = 0, |
| Expr **Args = 0, unsigned NumArgs = 0); |
| |
| ExprResult LookupInObjCMethod(LookupResult &LookUp, Scope *S, |
| IdentifierInfo *II, |
| bool AllowBuiltinCreation=false); |
| |
| ExprResult ActOnDependentIdExpression(const CXXScopeSpec &SS, |
| const DeclarationNameInfo &NameInfo, |
| bool isAddressOfOperand, |
| const TemplateArgumentListInfo *TemplateArgs); |
| |
| ExprResult BuildDeclRefExpr(ValueDecl *D, QualType Ty, |
| ExprValueKind VK, |
| SourceLocation Loc, |
| const CXXScopeSpec *SS = 0); |
| ExprResult BuildDeclRefExpr(ValueDecl *D, QualType Ty, |
| ExprValueKind VK, |
| const DeclarationNameInfo &NameInfo, |
| const CXXScopeSpec *SS = 0); |
| ExprResult |
| BuildAnonymousStructUnionMemberReference(const CXXScopeSpec &SS, |
| SourceLocation nameLoc, |
| IndirectFieldDecl *indirectField, |
| Expr *baseObjectExpr = 0, |
| SourceLocation opLoc = SourceLocation()); |
| ExprResult BuildPossibleImplicitMemberExpr(const CXXScopeSpec &SS, |
| LookupResult &R, |
| const TemplateArgumentListInfo *TemplateArgs); |
| ExprResult BuildImplicitMemberExpr(const CXXScopeSpec &SS, |
| LookupResult &R, |
| const TemplateArgumentListInfo *TemplateArgs, |
| bool IsDefiniteInstance); |
| bool UseArgumentDependentLookup(const CXXScopeSpec &SS, |
| const LookupResult &R, |
| bool HasTrailingLParen); |
| |
| ExprResult BuildQualifiedDeclarationNameExpr(CXXScopeSpec &SS, |
| const DeclarationNameInfo &NameInfo); |
| ExprResult BuildDependentDeclRefExpr(const CXXScopeSpec &SS, |
| const DeclarationNameInfo &NameInfo, |
| const TemplateArgumentListInfo *TemplateArgs); |
| |
| ExprResult BuildDeclarationNameExpr(const CXXScopeSpec &SS, |
| LookupResult &R, |
| bool NeedsADL); |
| ExprResult BuildDeclarationNameExpr(const CXXScopeSpec &SS, |
| const DeclarationNameInfo &NameInfo, |
| NamedDecl *D); |
| |
| ExprResult ActOnPredefinedExpr(SourceLocation Loc, tok::TokenKind Kind); |
| ExprResult ActOnNumericConstant(const Token &Tok); |
| ExprResult ActOnCharacterConstant(const Token &Tok); |
| ExprResult ActOnParenExpr(SourceLocation L, SourceLocation R, Expr *E); |
| ExprResult ActOnParenOrParenListExpr(SourceLocation L, |
| SourceLocation R, |
| MultiExprArg Val); |
| |
| /// ActOnStringLiteral - The specified tokens were lexed as pasted string |
| /// fragments (e.g. "foo" "bar" L"baz"). |
| ExprResult ActOnStringLiteral(const Token *StringToks, |
| unsigned NumStringToks); |
| |
| ExprResult ActOnGenericSelectionExpr(SourceLocation KeyLoc, |
| SourceLocation DefaultLoc, |
| SourceLocation RParenLoc, |
| Expr *ControllingExpr, |
| MultiTypeArg ArgTypes, |
| MultiExprArg ArgExprs); |
| ExprResult CreateGenericSelectionExpr(SourceLocation KeyLoc, |
| SourceLocation DefaultLoc, |
| SourceLocation RParenLoc, |
| Expr *ControllingExpr, |
| TypeSourceInfo **Types, |
| Expr **Exprs, |
| unsigned NumAssocs); |
| |
| // Binary/Unary Operators. 'Tok' is the token for the operator. |
| ExprResult CreateBuiltinUnaryOp(SourceLocation OpLoc, UnaryOperatorKind Opc, |
| Expr *InputExpr); |
| ExprResult BuildUnaryOp(Scope *S, SourceLocation OpLoc, |
| UnaryOperatorKind Opc, Expr *Input); |
| ExprResult ActOnUnaryOp(Scope *S, SourceLocation OpLoc, |
| tok::TokenKind Op, Expr *Input); |
| |
| ExprResult CreateUnaryExprOrTypeTraitExpr(TypeSourceInfo *TInfo, |
| SourceLocation OpLoc, |
| UnaryExprOrTypeTrait ExprKind, |
| SourceRange R); |
| ExprResult CreateUnaryExprOrTypeTraitExpr(Expr *E, SourceLocation OpLoc, |
| UnaryExprOrTypeTrait ExprKind); |
| ExprResult |
| ActOnUnaryExprOrTypeTraitExpr(SourceLocation OpLoc, |
| UnaryExprOrTypeTrait ExprKind, |
| bool IsType, void *TyOrEx, |
| const SourceRange &ArgRange); |
| |
| ExprResult CheckPlaceholderExpr(Expr *E); |
| bool CheckVecStepExpr(Expr *E); |
| |
| bool CheckUnaryExprOrTypeTraitOperand(Expr *E, UnaryExprOrTypeTrait ExprKind); |
| bool CheckUnaryExprOrTypeTraitOperand(QualType ExprType, SourceLocation OpLoc, |
| SourceRange ExprRange, |
| UnaryExprOrTypeTrait ExprKind); |
| ExprResult ActOnSizeofParameterPackExpr(Scope *S, |
| SourceLocation OpLoc, |
| IdentifierInfo &Name, |
| SourceLocation NameLoc, |
| SourceLocation RParenLoc); |
| ExprResult ActOnPostfixUnaryOp(Scope *S, SourceLocation OpLoc, |
| tok::TokenKind Kind, Expr *Input); |
| |
| ExprResult ActOnArraySubscriptExpr(Scope *S, Expr *Base, SourceLocation LLoc, |
| Expr *Idx, SourceLocation RLoc); |
| ExprResult CreateBuiltinArraySubscriptExpr(Expr *Base, SourceLocation LLoc, |
| Expr *Idx, SourceLocation RLoc); |
| |
| ExprResult BuildMemberReferenceExpr(Expr *Base, QualType BaseType, |
| SourceLocation OpLoc, bool IsArrow, |
| CXXScopeSpec &SS, |
| NamedDecl *FirstQualifierInScope, |
| const DeclarationNameInfo &NameInfo, |
| const TemplateArgumentListInfo *TemplateArgs); |
| |
| ExprResult BuildMemberReferenceExpr(Expr *Base, QualType BaseType, |
| SourceLocation OpLoc, bool IsArrow, |
| const CXXScopeSpec &SS, |
| NamedDecl *FirstQualifierInScope, |
| LookupResult &R, |
| const TemplateArgumentListInfo *TemplateArgs, |
| bool SuppressQualifierCheck = false); |
| |
| ExprResult LookupMemberExpr(LookupResult &R, ExprResult &Base, |
| bool &IsArrow, SourceLocation OpLoc, |
| CXXScopeSpec &SS, |
| Decl *ObjCImpDecl, |
| bool HasTemplateArgs); |
| |
| bool CheckQualifiedMemberReference(Expr *BaseExpr, QualType BaseType, |
| const CXXScopeSpec &SS, |
| const LookupResult &R); |
| |
| ExprResult ActOnDependentMemberExpr(Expr *Base, QualType BaseType, |
| bool IsArrow, SourceLocation OpLoc, |
| const CXXScopeSpec &SS, |
| NamedDecl *FirstQualifierInScope, |
| const DeclarationNameInfo &NameInfo, |
| const TemplateArgumentListInfo *TemplateArgs); |
| |
| ExprResult ActOnMemberAccessExpr(Scope *S, Expr *Base, |
| SourceLocation OpLoc, |
| tok::TokenKind OpKind, |
| CXXScopeSpec &SS, |
| UnqualifiedId &Member, |
| Decl *ObjCImpDecl, |
| bool HasTrailingLParen); |
| |
| void ActOnDefaultCtorInitializers(Decl *CDtorDecl); |
| bool ConvertArgumentsForCall(CallExpr *Call, Expr *Fn, |
| FunctionDecl *FDecl, |
| const FunctionProtoType *Proto, |
| Expr **Args, unsigned NumArgs, |
| SourceLocation RParenLoc, |
| bool ExecConfig = false); |
| |
| /// ActOnCallExpr - Handle a call to Fn with the specified array of arguments. |
| /// This provides the location of the left/right parens and a list of comma |
| /// locations. |
| ExprResult ActOnCallExpr(Scope *S, Expr *Fn, SourceLocation LParenLoc, |
| MultiExprArg ArgExprs, SourceLocation RParenLoc, |
| Expr *ExecConfig = 0, bool IsExecConfig = false); |
| ExprResult BuildResolvedCallExpr(Expr *Fn, NamedDecl *NDecl, |
| SourceLocation LParenLoc, |
| Expr **Args, unsigned NumArgs, |
| SourceLocation RParenLoc, |
| Expr *Config = 0, |
| bool IsExecConfig = false); |
| |
| ExprResult ActOnCUDAExecConfigExpr(Scope *S, SourceLocation LLLLoc, |
| MultiExprArg ExecConfig, |
| SourceLocation GGGLoc); |
| |
| ExprResult ActOnCastExpr(Scope *S, SourceLocation LParenLoc, |
| Declarator &D, ParsedType &Ty, |
| SourceLocation RParenLoc, Expr *CastExpr); |
| ExprResult BuildCStyleCastExpr(SourceLocation LParenLoc, |
| TypeSourceInfo *Ty, |
| SourceLocation RParenLoc, |
| Expr *Op); |
| CastKind PrepareScalarCast(ExprResult &src, QualType destType); |
| |
| /// \brief Build an altivec or OpenCL literal. |
| ExprResult BuildVectorLiteral(SourceLocation LParenLoc, |
| SourceLocation RParenLoc, Expr *E, |
| TypeSourceInfo *TInfo); |
| |
| ExprResult MaybeConvertParenListExprToParenExpr(Scope *S, Expr *ME); |
| |
| ExprResult ActOnCompoundLiteral(SourceLocation LParenLoc, |
| ParsedType Ty, |
| SourceLocation RParenLoc, |
| Expr *InitExpr); |
| |
| ExprResult BuildCompoundLiteralExpr(SourceLocation LParenLoc, |
| TypeSourceInfo *TInfo, |
| SourceLocation RParenLoc, |
| Expr *LiteralExpr); |
| |
| ExprResult ActOnInitList(SourceLocation LBraceLoc, |
| MultiExprArg InitArgList, |
| SourceLocation RBraceLoc); |
| |
| ExprResult ActOnDesignatedInitializer(Designation &Desig, |
| SourceLocation Loc, |
| bool GNUSyntax, |
| ExprResult Init); |
| |
| ExprResult ActOnBinOp(Scope *S, SourceLocation TokLoc, |
| tok::TokenKind Kind, Expr *LHSExpr, Expr *RHSExpr); |
| ExprResult BuildBinOp(Scope *S, SourceLocation OpLoc, |
| BinaryOperatorKind Opc, Expr *LHSExpr, Expr *RHSExpr); |
| ExprResult CreateBuiltinBinOp(SourceLocation OpLoc, BinaryOperatorKind Opc, |
| Expr *LHSExpr, Expr *RHSExpr); |
| |
| /// ActOnConditionalOp - Parse a ?: operation. Note that 'LHS' may be null |
| /// in the case of a the GNU conditional expr extension. |
| ExprResult ActOnConditionalOp(SourceLocation QuestionLoc, |
| SourceLocation ColonLoc, |
| Expr *CondExpr, Expr *LHSExpr, Expr *RHSExpr); |
| |
| /// ActOnAddrLabel - Parse the GNU address of label extension: "&&foo". |
| ExprResult ActOnAddrLabel(SourceLocation OpLoc, SourceLocation LabLoc, |
| LabelDecl *TheDecl); |
| |
| ExprResult ActOnStmtExpr(SourceLocation LPLoc, Stmt *SubStmt, |
| SourceLocation RPLoc); // "({..})" |
| |
| // __builtin_offsetof(type, identifier(.identifier|[expr])*) |
| struct OffsetOfComponent { |
| SourceLocation LocStart, LocEnd; |
| bool isBrackets; // true if [expr], false if .ident |
| union { |
| IdentifierInfo *IdentInfo; |
| Expr *E; |
| } U; |
| }; |
| |
| /// __builtin_offsetof(type, a.b[123][456].c) |
| ExprResult BuildBuiltinOffsetOf(SourceLocation BuiltinLoc, |
| TypeSourceInfo *TInfo, |
| OffsetOfComponent *CompPtr, |
| unsigned NumComponents, |
| SourceLocation RParenLoc); |
| ExprResult ActOnBuiltinOffsetOf(Scope *S, |
| SourceLocation BuiltinLoc, |
| SourceLocation TypeLoc, |
| ParsedType ParsedArgTy, |
| OffsetOfComponent *CompPtr, |
| unsigned NumComponents, |
| SourceLocation RParenLoc); |
| |
| // __builtin_choose_expr(constExpr, expr1, expr2) |
| ExprResult ActOnChooseExpr(SourceLocation BuiltinLoc, |
| Expr *CondExpr, Expr *LHSExpr, |
| Expr *RHSExpr, SourceLocation RPLoc); |
| |
| // __builtin_va_arg(expr, type) |
| ExprResult ActOnVAArg(SourceLocation BuiltinLoc, Expr *E, ParsedType Ty, |
| SourceLocation RPLoc); |
| ExprResult BuildVAArgExpr(SourceLocation BuiltinLoc, Expr *E, |
| TypeSourceInfo *TInfo, SourceLocation RPLoc); |
| |
| // __null |
| ExprResult ActOnGNUNullExpr(SourceLocation TokenLoc); |
| |
| bool CheckCaseExpression(Expr *E); |
| |
| bool CheckMicrosoftIfExistsSymbol(CXXScopeSpec &SS, UnqualifiedId &Name); |
| |
| //===------------------------- "Block" Extension ------------------------===// |
| |
| /// ActOnBlockStart - This callback is invoked when a block literal is |
| /// started. |
| void ActOnBlockStart(SourceLocation CaretLoc, Scope *CurScope); |
| |
| /// ActOnBlockArguments - This callback allows processing of block arguments. |
| /// If there are no arguments, this is still invoked. |
| void ActOnBlockArguments(Declarator &ParamInfo, Scope *CurScope); |
| |
| /// ActOnBlockError - If there is an error parsing a block, this callback |
| /// is invoked to pop the information about the block from the action impl. |
| void ActOnBlockError(SourceLocation CaretLoc, Scope *CurScope); |
| |
| /// ActOnBlockStmtExpr - This is called when the body of a block statement |
| /// literal was successfully completed. ^(int x){...} |
| ExprResult ActOnBlockStmtExpr(SourceLocation CaretLoc, Stmt *Body, |
| Scope *CurScope); |
| |
| //===---------------------------- OpenCL Features -----------------------===// |
| |
| /// __builtin_astype(...) |
| ExprResult ActOnAsTypeExpr(Expr *E, ParsedType ParsedDestTy, |
| SourceLocation BuiltinLoc, |
| SourceLocation RParenLoc); |
| |
| //===---------------------------- C++ Features --------------------------===// |
| |
| // Act on C++ namespaces |
| Decl *ActOnStartNamespaceDef(Scope *S, SourceLocation InlineLoc, |
| SourceLocation NamespaceLoc, |
| SourceLocation IdentLoc, |
| IdentifierInfo *Ident, |
| SourceLocation LBrace, |
| AttributeList *AttrList); |
| void ActOnFinishNamespaceDef(Decl *Dcl, SourceLocation RBrace); |
| |
| NamespaceDecl *getStdNamespace() const; |
| NamespaceDecl *getOrCreateStdNamespace(); |
| |
| CXXRecordDecl *getStdBadAlloc() const; |
| |
| Decl *ActOnUsingDirective(Scope *CurScope, |
| SourceLocation UsingLoc, |
| SourceLocation NamespcLoc, |
| CXXScopeSpec &SS, |
| SourceLocation IdentLoc, |
| IdentifierInfo *NamespcName, |
| AttributeList *AttrList); |
| |
| void PushUsingDirective(Scope *S, UsingDirectiveDecl *UDir); |
| |
| Decl *ActOnNamespaceAliasDef(Scope *CurScope, |
| SourceLocation NamespaceLoc, |
| SourceLocation AliasLoc, |
| IdentifierInfo *Alias, |
| CXXScopeSpec &SS, |
| SourceLocation IdentLoc, |
| IdentifierInfo *Ident); |
| |
| void HideUsingShadowDecl(Scope *S, UsingShadowDecl *Shadow); |
| bool CheckUsingShadowDecl(UsingDecl *UD, NamedDecl *Target, |
| const LookupResult &PreviousDecls); |
| UsingShadowDecl *BuildUsingShadowDecl(Scope *S, UsingDecl *UD, |
| NamedDecl *Target); |
| |
| bool CheckUsingDeclRedeclaration(SourceLocation UsingLoc, |
| bool isTypeName, |
| const CXXScopeSpec &SS, |
| SourceLocation NameLoc, |
| const LookupResult &Previous); |
| bool CheckUsingDeclQualifier(SourceLocation UsingLoc, |
| const CXXScopeSpec &SS, |
| SourceLocation NameLoc); |
| |
| NamedDecl *BuildUsingDeclaration(Scope *S, AccessSpecifier AS, |
| SourceLocation UsingLoc, |
| CXXScopeSpec &SS, |
| const DeclarationNameInfo &NameInfo, |
| AttributeList *AttrList, |
| bool IsInstantiation, |
| bool IsTypeName, |
| SourceLocation TypenameLoc); |
| |
| bool CheckInheritedConstructorUsingDecl(UsingDecl *UD); |
| |
| Decl *ActOnUsingDeclaration(Scope *CurScope, |
| AccessSpecifier AS, |
| bool HasUsingKeyword, |
| SourceLocation UsingLoc, |
| CXXScopeSpec &SS, |
| UnqualifiedId &Name, |
| AttributeList *AttrList, |
| bool IsTypeName, |
| SourceLocation TypenameLoc); |
| Decl *ActOnAliasDeclaration(Scope *CurScope, |
| AccessSpecifier AS, |
| MultiTemplateParamsArg TemplateParams, |
| SourceLocation UsingLoc, |
| UnqualifiedId &Name, |
| TypeResult Type); |
| |
| /// AddCXXDirectInitializerToDecl - This action is called immediately after |
| /// ActOnDeclarator, when a C++ direct initializer is present. |
| /// e.g: "int x(1);" |
| void AddCXXDirectInitializerToDecl(Decl *Dcl, |
| SourceLocation LParenLoc, |
| MultiExprArg Exprs, |
| SourceLocation RParenLoc, |
| bool TypeMayContainAuto); |
| |
| /// InitializeVarWithConstructor - Creates an CXXConstructExpr |
| /// and sets it as the initializer for the the passed in VarDecl. |
| bool InitializeVarWithConstructor(VarDecl *VD, |
| CXXConstructorDecl *Constructor, |
| MultiExprArg Exprs, |
| bool HadMultipleCandidates); |
| |
| /// BuildCXXConstructExpr - Creates a complete call to a constructor, |
| /// including handling of its default argument expressions. |
| /// |
| /// \param ConstructKind - a CXXConstructExpr::ConstructionKind |
| ExprResult |
| BuildCXXConstructExpr(SourceLocation ConstructLoc, QualType DeclInitType, |
| CXXConstructorDecl *Constructor, MultiExprArg Exprs, |
| bool HadMultipleCandidates, bool RequiresZeroInit, |
| unsigned ConstructKind, SourceRange ParenRange); |
| |
| // FIXME: Can re remove this and have the above BuildCXXConstructExpr check if |
| // the constructor can be elidable? |
| ExprResult |
| BuildCXXConstructExpr(SourceLocation ConstructLoc, QualType DeclInitType, |
| CXXConstructorDecl *Constructor, bool Elidable, |
| MultiExprArg Exprs, bool HadMultipleCandidates, |
| bool RequiresZeroInit, unsigned ConstructKind, |
| SourceRange ParenRange); |
| |
| /// BuildCXXDefaultArgExpr - Creates a CXXDefaultArgExpr, instantiating |
| /// the default expr if needed. |
| ExprResult BuildCXXDefaultArgExpr(SourceLocation CallLoc, |
| FunctionDecl *FD, |
| ParmVarDecl *Param); |
| |
| /// FinalizeVarWithDestructor - Prepare for calling destructor on the |
| /// constructed variable. |
| void FinalizeVarWithDestructor(VarDecl *VD, const RecordType *DeclInitType); |
| |
| /// \brief Helper class that collects exception specifications for |
| /// implicitly-declared special member functions. |
| class ImplicitExceptionSpecification { |
| // Pointer to allow copying |
| ASTContext *Context; |
| // We order exception specifications thus: |
| // noexcept is the most restrictive, but is only used in C++0x. |
| // throw() comes next. |
| // Then a throw(collected exceptions) |
| // Finally no specification. |
| // throw(...) is used instead if any called function uses it. |
| // |
| // If this exception specification cannot be known yet (for instance, |
| // because this is the exception specification for a defaulted default |
| // constructor and we haven't finished parsing the deferred parts of the |
| // class yet), the C++0x standard does not specify how to behave. We |
| // record this as an 'unknown' exception specification, which overrules |
| // any other specification (even 'none', to keep this rule simple). |
| ExceptionSpecificationType ComputedEST; |
| llvm::SmallPtrSet<CanQualType, 4> ExceptionsSeen; |
| SmallVector<QualType, 4> Exceptions; |
| |
| void ClearExceptions() { |
| ExceptionsSeen.clear(); |
| Exceptions.clear(); |
| } |
| |
| public: |
| explicit ImplicitExceptionSpecification(ASTContext &Context) |
| : Context(&Context), ComputedEST(EST_BasicNoexcept) { |
| if (!Context.getLangOptions().CPlusPlus0x) |
| ComputedEST = EST_DynamicNone; |
| } |
| |
| /// \brief Get the computed exception specification type. |
| ExceptionSpecificationType getExceptionSpecType() const { |
| assert(ComputedEST != EST_ComputedNoexcept && |
| "noexcept(expr) should not be a possible result"); |
| return ComputedEST; |
| } |
| |
| /// \brief The number of exceptions in the exception specification. |
| unsigned size() const { return Exceptions.size(); } |
| |
| /// \brief The set of exceptions in the exception specification. |
| const QualType *data() const { return Exceptions.data(); } |
| |
| /// \brief Integrate another called method into the collected data. |
| void CalledDecl(CXXMethodDecl *Method); |
| |
| /// \brief Integrate an invoked expression into the collected data. |
| void CalledExpr(Expr *E); |
| |
| /// \brief Specify that the exception specification can't be detemined yet. |
| void SetDelayed() { |
| ClearExceptions(); |
| ComputedEST = EST_Delayed; |
| } |
| |
| FunctionProtoType::ExtProtoInfo getEPI() const { |
| FunctionProtoType::ExtProtoInfo EPI; |
| EPI.ExceptionSpecType = getExceptionSpecType(); |
| EPI.NumExceptions = size(); |
| EPI.Exceptions = data(); |
| return EPI; |
| } |
| }; |
| |
| /// \brief Determine what sort of exception specification a defaulted |
| /// copy constructor of a class will have. |
| ImplicitExceptionSpecification |
| ComputeDefaultedDefaultCtorExceptionSpec(CXXRecordDecl *ClassDecl); |
| |
| /// \brief Determine what sort of exception specification a defaulted |
| /// default constructor of a class will have, and whether the parameter |
| /// will be const. |
| std::pair<ImplicitExceptionSpecification, bool> |
| ComputeDefaultedCopyCtorExceptionSpecAndConst(CXXRecordDecl *ClassDecl); |
| |
| /// \brief Determine what sort of exception specification a defautled |
| /// copy assignment operator of a class will have, and whether the |
| /// parameter will be const. |
| std::pair<ImplicitExceptionSpecification, bool> |
| ComputeDefaultedCopyAssignmentExceptionSpecAndConst(CXXRecordDecl *ClassDecl); |
| |
| /// \brief Determine what sort of exception specification a defaulted move |
| /// constructor of a class will have. |
| ImplicitExceptionSpecification |
| ComputeDefaultedMoveCtorExceptionSpec(CXXRecordDecl *ClassDecl); |
| |
| /// \brief Determine what sort of exception specification a defaulted move |
| /// assignment operator of a class will have. |
| ImplicitExceptionSpecification |
| ComputeDefaultedMoveAssignmentExceptionSpec(CXXRecordDecl *ClassDecl); |
| |
| /// \brief Determine what sort of exception specification a defaulted |
| /// destructor of a class will have. |
| ImplicitExceptionSpecification |
| ComputeDefaultedDtorExceptionSpec(CXXRecordDecl *ClassDecl); |
| |
| /// \brief Determine if a special member function should have a deleted |
| /// definition when it is defaulted. |
| bool ShouldDeleteSpecialMember(CXXMethodDecl *MD, CXXSpecialMember CSM); |
| |
| /// \brief Determine if a defaulted copy constructor ought to be |
| /// deleted. |
| bool ShouldDeleteCopyConstructor(CXXConstructorDecl *CD); |
| |
| /// \brief Determine if a defaulted copy assignment operator ought to be |
| /// deleted. |
| bool ShouldDeleteCopyAssignmentOperator(CXXMethodDecl *MD); |
| |
| /// \brief Determine if a defaulted move constructor ought to be deleted. |
| bool ShouldDeleteMoveConstructor(CXXConstructorDecl *CD); |
| |
| /// \brief Determine if a defaulted move assignment operator ought to be |
| /// deleted. |
| bool ShouldDeleteMoveAssignmentOperator(CXXMethodDecl *MD); |
| |
| /// \brief Determine if a defaulted destructor ought to be deleted. |
| bool ShouldDeleteDestructor(CXXDestructorDecl *DD); |
| |
| /// \brief Declare the implicit default constructor for the given class. |
| /// |
| /// \param ClassDecl The class declaration into which the implicit |
| /// default constructor will be added. |
| /// |
| /// \returns The implicitly-declared default constructor. |
| CXXConstructorDecl *DeclareImplicitDefaultConstructor( |
| CXXRecordDecl *ClassDecl); |
| |
| /// DefineImplicitDefaultConstructor - Checks for feasibility of |
| /// defining this constructor as the default constructor. |
| void DefineImplicitDefaultConstructor(SourceLocation CurrentLocation, |
| CXXConstructorDecl *Constructor); |
| |
| /// \brief Declare the implicit destructor for the given class. |
| /// |
| /// \param ClassDecl The class declaration into which the implicit |
| /// destructor will be added. |
| /// |
| /// \returns The implicitly-declared destructor. |
| CXXDestructorDecl *DeclareImplicitDestructor(CXXRecordDecl *ClassDecl); |
| |
| /// DefineImplicitDestructor - Checks for feasibility of |
| /// defining this destructor as the default destructor. |
| void DefineImplicitDestructor(SourceLocation CurrentLocation, |
| CXXDestructorDecl *Destructor); |
| |
| /// \brief Build an exception spec for destructors that don't have one. |
| /// |
| /// C++11 says that user-defined destructors with no exception spec get one |
| /// that looks as if the destructor was implicitly declared. |
| void AdjustDestructorExceptionSpec(CXXRecordDecl *ClassDecl, |
| CXXDestructorDecl *Destructor); |
| |
| /// \brief Declare all inherited constructors for the given class. |
| /// |
| /// \param ClassDecl The class declaration into which the inherited |
| /// constructors will be added. |
| void DeclareInheritedConstructors(CXXRecordDecl *ClassDecl); |
| |
| /// \brief Declare the implicit copy constructor for the given class. |
| /// |
| /// \param ClassDecl The class declaration into which the implicit |
| /// copy constructor will be added. |
| /// |
| /// \returns The implicitly-declared copy constructor. |
| CXXConstructorDecl *DeclareImplicitCopyConstructor(CXXRecordDecl *ClassDecl); |
| |
| /// DefineImplicitCopyConstructor - Checks for feasibility of |
| /// defining this constructor as the copy constructor. |
| void DefineImplicitCopyConstructor(SourceLocation CurrentLocation, |
| CXXConstructorDecl *Constructor); |
| |
| /// \brief Declare the implicit move constructor for the given class. |
| /// |
| /// \param ClassDecl The Class declaration into which the implicit |
| /// move constructor will be added. |
| /// |
| /// \returns The implicitly-declared move constructor, or NULL if it wasn't |
| /// declared. |
| CXXConstructorDecl *DeclareImplicitMoveConstructor(CXXRecordDecl *ClassDecl); |
| |
| /// DefineImplicitMoveConstructor - Checks for feasibility of |
| /// defining this constructor as the move constructor. |
| void DefineImplicitMoveConstructor(SourceLocation CurrentLocation, |
| CXXConstructorDecl *Constructor); |
| |
| /// \brief Declare the implicit copy assignment operator for the given class. |
| /// |
| /// \param ClassDecl The class declaration into which the implicit |
| /// copy assignment operator will be added. |
| /// |
| /// \returns The implicitly-declared copy assignment operator. |
| CXXMethodDecl *DeclareImplicitCopyAssignment(CXXRecordDecl *ClassDecl); |
| |
| /// \brief Defines an implicitly-declared copy assignment operator. |
| void DefineImplicitCopyAssignment(SourceLocation CurrentLocation, |
| CXXMethodDecl *MethodDecl); |
| |
| /// \brief Declare the implicit move assignment operator for the given class. |
| /// |
| /// \param ClassDecl The Class declaration into which the implicit |
| /// move assignment operator will be added. |
| /// |
| /// \returns The implicitly-declared move assignment operator, or NULL if it |
| /// wasn't declared. |
| CXXMethodDecl *DeclareImplicitMoveAssignment(CXXRecordDecl *ClassDecl); |
| |
| /// \brief Defines an implicitly-declared move assignment operator. |
| void DefineImplicitMoveAssignment(SourceLocation CurrentLocation, |
| CXXMethodDecl *MethodDecl); |
| |
| /// \brief Force the declaration of any implicitly-declared members of this |
| /// class. |
| void ForceDeclarationOfImplicitMembers(CXXRecordDecl *Class); |
| |
| /// MaybeBindToTemporary - If the passed in expression has a record type with |
| /// a non-trivial destructor, this will return CXXBindTemporaryExpr. Otherwise |
| /// it simply returns the passed in expression. |
| ExprResult MaybeBindToTemporary(Expr *E); |
| |
| bool CompleteConstructorCall(CXXConstructorDecl *Constructor, |
| MultiExprArg ArgsPtr, |
| SourceLocation Loc, |
| ASTOwningVector<Expr*> &ConvertedArgs); |
| |
| ParsedType getDestructorName(SourceLocation TildeLoc, |
| IdentifierInfo &II, SourceLocation NameLoc, |
| Scope *S, CXXScopeSpec &SS, |
| ParsedType ObjectType, |
| bool EnteringContext); |
| |
| // Checks that reinterpret casts don't have undefined behavior. |
| void CheckCompatibleReinterpretCast(QualType SrcType, QualType DestType, |
| bool IsDereference, SourceRange Range); |
| |
| /// ActOnCXXNamedCast - Parse {dynamic,static,reinterpret,const}_cast's. |
| ExprResult ActOnCXXNamedCast(SourceLocation OpLoc, |
| tok::TokenKind Kind, |
| SourceLocation LAngleBracketLoc, |
| Declarator &D, |
| SourceLocation RAngleBracketLoc, |
| SourceLocation LParenLoc, |
| Expr *E, |
| SourceLocation RParenLoc); |
| |
| ExprResult BuildCXXNamedCast(SourceLocation OpLoc, |
| tok::TokenKind Kind, |
| TypeSourceInfo *Ty, |
| Expr *E, |
| SourceRange AngleBrackets, |
| SourceRange Parens); |
| |
| ExprResult BuildCXXTypeId(QualType TypeInfoType, |
| SourceLocation TypeidLoc, |
| TypeSourceInfo *Operand, |
| SourceLocation RParenLoc); |
| ExprResult BuildCXXTypeId(QualType TypeInfoType, |
| SourceLocation TypeidLoc, |
| Expr *Operand, |
| SourceLocation RParenLoc); |
| |
| /// ActOnCXXTypeid - Parse typeid( something ). |
| ExprResult ActOnCXXTypeid(SourceLocation OpLoc, |
| SourceLocation LParenLoc, bool isType, |
| void *TyOrExpr, |
| SourceLocation RParenLoc); |
| |
| ExprResult BuildCXXUuidof(QualType TypeInfoType, |
| SourceLocation TypeidLoc, |
| TypeSourceInfo *Operand, |
| SourceLocation RParenLoc); |
| ExprResult BuildCXXUuidof(QualType TypeInfoType, |
| SourceLocation TypeidLoc, |
| Expr *Operand, |
| SourceLocation RParenLoc); |
| |
| /// ActOnCXXUuidof - Parse __uuidof( something ). |
| ExprResult ActOnCXXUuidof(SourceLocation OpLoc, |
| SourceLocation LParenLoc, bool isType, |
| void *TyOrExpr, |
| SourceLocation RParenLoc); |
| |
| |
| //// ActOnCXXThis - Parse 'this' pointer. |
| ExprResult ActOnCXXThis(SourceLocation loc); |
| |
| /// getAndCaptureCurrentThisType - Try to capture a 'this' pointer. Returns |
| /// the type of the 'this' pointer, or a null type if this is not possible. |
| QualType getAndCaptureCurrentThisType(); |
| |
| /// ActOnCXXBoolLiteral - Parse {true,false} literals. |
| ExprResult ActOnCXXBoolLiteral(SourceLocation OpLoc, tok::TokenKind Kind); |
| |
| /// ActOnCXXNullPtrLiteral - Parse 'nullptr'. |
| ExprResult ActOnCXXNullPtrLiteral(SourceLocation Loc); |
| |
| //// ActOnCXXThrow - Parse throw expressions. |
| ExprResult ActOnCXXThrow(Scope *S, SourceLocation OpLoc, Expr *expr); |
| ExprResult BuildCXXThrow(SourceLocation OpLoc, Expr *Ex, |
| bool IsThrownVarInScope); |
| ExprResult CheckCXXThrowOperand(SourceLocation ThrowLoc, Expr *E, |
| bool IsThrownVarInScope); |
| |
| /// ActOnCXXTypeConstructExpr - Parse construction of a specified type. |
| /// Can be interpreted either as function-style casting ("int(x)") |
| /// or class type construction ("ClassType(x,y,z)") |
| /// or creation of a value-initialized type ("int()"). |
| ExprResult ActOnCXXTypeConstructExpr(ParsedType TypeRep, |
| SourceLocation LParenLoc, |
| MultiExprArg Exprs, |
| SourceLocation RParenLoc); |
| |
| ExprResult BuildCXXTypeConstructExpr(TypeSourceInfo *Type, |
| SourceLocation LParenLoc, |
| MultiExprArg Exprs, |
| SourceLocation RParenLoc); |
| |
| /// ActOnCXXNew - Parsed a C++ 'new' expression. |
| ExprResult ActOnCXXNew(SourceLocation StartLoc, bool UseGlobal, |
| SourceLocation PlacementLParen, |
| MultiExprArg PlacementArgs, |
| SourceLocation PlacementRParen, |
| SourceRange TypeIdParens, Declarator &D, |
| SourceLocation ConstructorLParen, |
| MultiExprArg ConstructorArgs, |
| SourceLocation ConstructorRParen); |
| ExprResult BuildCXXNew(SourceLocation StartLoc, bool UseGlobal, |
| SourceLocation PlacementLParen, |
| MultiExprArg PlacementArgs, |
| SourceLocation PlacementRParen, |
| SourceRange TypeIdParens, |
| QualType AllocType, |
| TypeSourceInfo *AllocTypeInfo, |
| Expr *ArraySize, |
| SourceLocation ConstructorLParen, |
| MultiExprArg ConstructorArgs, |
| SourceLocation ConstructorRParen, |
| bool TypeMayContainAuto = true); |
| |
| bool CheckAllocatedType(QualType AllocType, SourceLocation Loc, |
| SourceRange R); |
| bool FindAllocationFunctions(SourceLocation StartLoc, SourceRange Range, |
| bool UseGlobal, QualType AllocType, bool IsArray, |
| Expr **PlaceArgs, unsigned NumPlaceArgs, |
| FunctionDecl *&OperatorNew, |
| FunctionDecl *&OperatorDelete); |
| bool FindAllocationOverload(SourceLocation StartLoc, SourceRange Range, |
| DeclarationName Name, Expr** Args, |
| unsigned NumArgs, DeclContext *Ctx, |
| bool AllowMissing, FunctionDecl *&Operator, |
| bool Diagnose = true); |
| void DeclareGlobalNewDelete(); |
| void DeclareGlobalAllocationFunction(DeclarationName Name, QualType Return, |
| QualType Argument, |
| bool addMallocAttr = false); |
| |
| bool FindDeallocationFunction(SourceLocation StartLoc, CXXRecordDecl *RD, |
| DeclarationName Name, FunctionDecl* &Operator, |
| bool Diagnose = true); |
| |
| /// ActOnCXXDelete - Parsed a C++ 'delete' expression |
| ExprResult ActOnCXXDelete(SourceLocation StartLoc, |
| bool UseGlobal, bool ArrayForm, |
| Expr *Operand); |
| |
| DeclResult ActOnCXXConditionDeclaration(Scope *S, Declarator &D); |
| ExprResult CheckConditionVariable(VarDecl *ConditionVar, |
| SourceLocation StmtLoc, |
| bool ConvertToBoolean); |
| |
| ExprResult ActOnNoexceptExpr(SourceLocation KeyLoc, SourceLocation LParen, |
| Expr *Operand, SourceLocation RParen); |
| ExprResult BuildCXXNoexceptExpr(SourceLocation KeyLoc, Expr *Operand, |
| SourceLocation RParen); |
| |
| /// ActOnUnaryTypeTrait - Parsed one of the unary type trait support |
| /// pseudo-functions. |
| ExprResult ActOnUnaryTypeTrait(UnaryTypeTrait OTT, |
| SourceLocation KWLoc, |
| ParsedType Ty, |
| SourceLocation RParen); |
| |
| ExprResult BuildUnaryTypeTrait(UnaryTypeTrait OTT, |
| SourceLocation KWLoc, |
| TypeSourceInfo *T, |
| SourceLocation RParen); |
| |
| /// ActOnBinaryTypeTrait - Parsed one of the bianry type trait support |
| /// pseudo-functions. |
| ExprResult ActOnBinaryTypeTrait(BinaryTypeTrait OTT, |
| SourceLocation KWLoc, |
| ParsedType LhsTy, |
| ParsedType RhsTy, |
| SourceLocation RParen); |
| |
| ExprResult BuildBinaryTypeTrait(BinaryTypeTrait BTT, |
| SourceLocation KWLoc, |
| TypeSourceInfo *LhsT, |
| TypeSourceInfo *RhsT, |
| SourceLocation RParen); |
| |
| /// ActOnArrayTypeTrait - Parsed one of the bianry type trait support |
| /// pseudo-functions. |
| ExprResult ActOnArrayTypeTrait(ArrayTypeTrait ATT, |
| SourceLocation KWLoc, |
| ParsedType LhsTy, |
| Expr *DimExpr, |
| SourceLocation RParen); |
| |
| ExprResult BuildArrayTypeTrait(ArrayTypeTrait ATT, |
| SourceLocation KWLoc, |
| TypeSourceInfo *TSInfo, |
| Expr *DimExpr, |
| SourceLocation RParen); |
| |
| /// ActOnExpressionTrait - Parsed one of the unary type trait support |
| /// pseudo-functions. |
| ExprResult ActOnExpressionTrait(ExpressionTrait OET, |
| SourceLocation KWLoc, |
| Expr *Queried, |
| SourceLocation RParen); |
| |
| ExprResult BuildExpressionTrait(ExpressionTrait OET, |
| SourceLocation KWLoc, |
| Expr *Queried, |
| SourceLocation RParen); |
| |
| ExprResult ActOnStartCXXMemberReference(Scope *S, |
| Expr *Base, |
| SourceLocation OpLoc, |
| tok::TokenKind OpKind, |
| ParsedType &ObjectType, |
| bool &MayBePseudoDestructor); |
| |
| ExprResult DiagnoseDtorReference(SourceLocation NameLoc, Expr *MemExpr); |
| |
| ExprResult BuildPseudoDestructorExpr(Expr *Base, |
| SourceLocation OpLoc, |
| tok::TokenKind OpKind, |
| const CXXScopeSpec &SS, |
| TypeSourceInfo *ScopeType, |
| SourceLocation CCLoc, |
| SourceLocation TildeLoc, |
| PseudoDestructorTypeStorage DestroyedType, |
| bool HasTrailingLParen); |
| |
| ExprResult ActOnPseudoDestructorExpr(Scope *S, Expr *Base, |
| SourceLocation OpLoc, |
| tok::TokenKind OpKind, |
| CXXScopeSpec &SS, |
| UnqualifiedId &FirstTypeName, |
| SourceLocation CCLoc, |
| SourceLocation TildeLoc, |
| UnqualifiedId &SecondTypeName, |
| bool HasTrailingLParen); |
| |
| /// MaybeCreateExprWithCleanups - If the current full-expression |
| /// requires any cleanups, surround it with a ExprWithCleanups node. |
| /// Otherwise, just returns the passed-in expression. |
| Expr *MaybeCreateExprWithCleanups(Expr *SubExpr); |
| Stmt *MaybeCreateStmtWithCleanups(Stmt *SubStmt); |
| ExprResult MaybeCreateExprWithCleanups(ExprResult SubExpr); |
| |
| ExprResult ActOnFinishFullExpr(Expr *Expr); |
| StmtResult ActOnFinishFullStmt(Stmt *Stmt); |
| |
| // Marks SS invalid if it represents an incomplete type. |
| bool RequireCompleteDeclContext(CXXScopeSpec &SS, DeclContext *DC); |
| |
| DeclContext *computeDeclContext(QualType T); |
| DeclContext *computeDeclContext(const CXXScopeSpec &SS, |
| bool EnteringContext = false); |
| bool isDependentScopeSpecifier(const CXXScopeSpec &SS); |
| CXXRecordDecl *getCurrentInstantiationOf(NestedNameSpecifier *NNS); |
| bool isUnknownSpecialization(const CXXScopeSpec &SS); |
| |
| /// \brief The parser has parsed a global nested-name-specifier '::'. |
| /// |
| /// \param S The scope in which this nested-name-specifier occurs. |
| /// |
| /// \param CCLoc The location of the '::'. |
| /// |
| /// \param SS The nested-name-specifier, which will be updated in-place |
| /// to reflect the parsed nested-name-specifier. |
| /// |
| /// \returns true if an error occurred, false otherwise. |
| bool ActOnCXXGlobalScopeSpecifier(Scope *S, SourceLocation CCLoc, |
| CXXScopeSpec &SS); |
| |
| bool isAcceptableNestedNameSpecifier(NamedDecl *SD); |
| NamedDecl *FindFirstQualifierInScope(Scope *S, NestedNameSpecifier *NNS); |
| |
| bool isNonTypeNestedNameSpecifier(Scope *S, CXXScopeSpec &SS, |
| SourceLocation IdLoc, |
| IdentifierInfo &II, |
| ParsedType ObjectType); |
| |
| bool BuildCXXNestedNameSpecifier(Scope *S, |
| IdentifierInfo &Identifier, |
| SourceLocation IdentifierLoc, |
| SourceLocation CCLoc, |
| QualType ObjectType, |
| bool EnteringContext, |
| CXXScopeSpec &SS, |
| NamedDecl *ScopeLookupResult, |
| bool ErrorRecoveryLookup); |
| |
| /// \brief The parser has parsed a nested-name-specifier 'identifier::'. |
| /// |
| /// \param S The scope in which this nested-name-specifier occurs. |
| /// |
| /// \param Identifier The identifier preceding the '::'. |
| /// |
| /// \param IdentifierLoc The location of the identifier. |
| /// |
| /// \param CCLoc The location of the '::'. |
| /// |
| /// \param ObjectType The type of the object, if we're parsing |
| /// nested-name-specifier in a member access expression. |
| /// |
| /// \param EnteringContext Whether we're entering the context nominated by |
| /// this nested-name-specifier. |
| /// |
| /// \param SS The nested-name-specifier, which is both an input |
| /// parameter (the nested-name-specifier before this type) and an |
| /// output parameter (containing the full nested-name-specifier, |
| /// including this new type). |
| /// |
| /// \returns true if an error occurred, false otherwise. |
| bool ActOnCXXNestedNameSpecifier(Scope *S, |
| IdentifierInfo &Identifier, |
| SourceLocation IdentifierLoc, |
| SourceLocation CCLoc, |
| ParsedType ObjectType, |
| bool EnteringContext, |
| CXXScopeSpec &SS); |
| |
| bool IsInvalidUnlessNestedName(Scope *S, CXXScopeSpec &SS, |
| IdentifierInfo &Identifier, |
| SourceLocation IdentifierLoc, |
| SourceLocation ColonLoc, |
| ParsedType ObjectType, |
| bool EnteringContext); |
| |
| /// \brief The parser has parsed a nested-name-specifier |
| /// 'template[opt] template-name < template-args >::'. |
| /// |
| /// \param S The scope in which this nested-name-specifier occurs. |
| /// |
| /// \param TemplateLoc The location of the 'template' keyword, if any. |
| /// |
| /// \param SS The nested-name-specifier, which is both an input |
| /// parameter (the nested-name-specifier before this type) and an |
| /// output parameter (containing the full nested-name-specifier, |
| /// including this new type). |
| /// |
| /// \param TemplateLoc the location of the 'template' keyword, if any. |
| /// \param TemplateName The template name. |
| /// \param TemplateNameLoc The location of the template name. |
| /// \param LAngleLoc The location of the opening angle bracket ('<'). |
| /// \param TemplateArgs The template arguments. |
| /// \param RAngleLoc The location of the closing angle bracket ('>'). |
| /// \param CCLoc The location of the '::'. |
| |
| /// \param EnteringContext Whether we're entering the context of the |
| /// nested-name-specifier. |
| /// |
| /// |
| /// \returns true if an error occurred, false otherwise. |
| bool ActOnCXXNestedNameSpecifier(Scope *S, |
| SourceLocation TemplateLoc, |
| CXXScopeSpec &SS, |
| TemplateTy Template, |
| SourceLocation TemplateNameLoc, |
| SourceLocation LAngleLoc, |
| ASTTemplateArgsPtr TemplateArgs, |
| SourceLocation RAngleLoc, |
| SourceLocation CCLoc, |
| bool EnteringContext); |
| |
| /// \brief Given a C++ nested-name-specifier, produce an annotation value |
| /// that the parser can use later to reconstruct the given |
| /// nested-name-specifier. |
| /// |
| /// \param SS A nested-name-specifier. |
| /// |
| /// \returns A pointer containing all of the information in the |
| /// nested-name-specifier \p SS. |
| void *SaveNestedNameSpecifierAnnotation(CXXScopeSpec &SS); |
| |
| /// \brief Given an annotation pointer for a nested-name-specifier, restore |
| /// the nested-name-specifier structure. |
| /// |
| /// \param Annotation The annotation pointer, produced by |
| /// \c SaveNestedNameSpecifierAnnotation(). |
| /// |
| /// \param AnnotationRange The source range corresponding to the annotation. |
| /// |
| /// \param SS The nested-name-specifier that will be updated with the contents |
| /// of the annotation pointer. |
| void RestoreNestedNameSpecifierAnnotation(void *Annotation, |
| SourceRange AnnotationRange, |
| CXXScopeSpec &SS); |
| |
| bool ShouldEnterDeclaratorScope(Scope *S, const CXXScopeSpec &SS); |
| |
| /// ActOnCXXEnterDeclaratorScope - Called when a C++ scope specifier (global |
| /// scope or nested-name-specifier) is parsed, part of a declarator-id. |
| /// After this method is called, according to [C++ 3.4.3p3], names should be |
| /// looked up in the declarator-id's scope, until the declarator is parsed and |
| /// ActOnCXXExitDeclaratorScope is called. |
| /// The 'SS' should be a non-empty valid CXXScopeSpec. |
| bool ActOnCXXEnterDeclaratorScope(Scope *S, CXXScopeSpec &SS); |
| |
| /// ActOnCXXExitDeclaratorScope - Called when a declarator that previously |
| /// invoked ActOnCXXEnterDeclaratorScope(), is finished. 'SS' is the same |
| /// CXXScopeSpec that was passed to ActOnCXXEnterDeclaratorScope as well. |
| /// Used to indicate that names should revert to being looked up in the |
| /// defining scope. |
| void ActOnCXXExitDeclaratorScope(Scope *S, const CXXScopeSpec &SS); |
| |
| /// ActOnCXXEnterDeclInitializer - Invoked when we are about to parse an |
| /// initializer for the declaration 'Dcl'. |
| /// After this method is called, according to [C++ 3.4.1p13], if 'Dcl' is a |
| /// static data member of class X, names should be looked up in the scope of |
| /// class X. |
| void ActOnCXXEnterDeclInitializer(Scope *S, Decl *Dcl); |
| |
| /// ActOnCXXExitDeclInitializer - Invoked after we are finished parsing an |
| /// initializer for the declaration 'Dcl'. |
| void ActOnCXXExitDeclInitializer(Scope *S, Decl *Dcl); |
| |
| // ParseObjCStringLiteral - Parse Objective-C string literals. |
| ExprResult ParseObjCStringLiteral(SourceLocation *AtLocs, |
| Expr **Strings, |
| unsigned NumStrings); |
| |
| ExprResult BuildObjCEncodeExpression(SourceLocation AtLoc, |
| TypeSourceInfo *EncodedTypeInfo, |
| SourceLocation RParenLoc); |
| ExprResult BuildCXXMemberCallExpr(Expr *Exp, NamedDecl *FoundDecl, |
| CXXMethodDecl *Method, |
| bool HadMultipleCandidates); |
| |
| ExprResult ParseObjCEncodeExpression(SourceLocation AtLoc, |
| SourceLocation EncodeLoc, |
| SourceLocation LParenLoc, |
| ParsedType Ty, |
| SourceLocation RParenLoc); |
| |
| // ParseObjCSelectorExpression - Build selector expression for @selector |
| ExprResult ParseObjCSelectorExpression(Selector Sel, |
| SourceLocation AtLoc, |
| SourceLocation SelLoc, |
| SourceLocation LParenLoc, |
| SourceLocation RParenLoc); |
| |
| // ParseObjCProtocolExpression - Build protocol expression for @protocol |
| ExprResult ParseObjCProtocolExpression(IdentifierInfo * ProtocolName, |
| SourceLocation AtLoc, |
| SourceLocation ProtoLoc, |
| SourceLocation LParenLoc, |
| SourceLocation RParenLoc); |
| |
| //===--------------------------------------------------------------------===// |
| // C++ Declarations |
| // |
| Decl *ActOnStartLinkageSpecification(Scope *S, |
| SourceLocation ExternLoc, |
| SourceLocation LangLoc, |
| StringRef Lang, |
| SourceLocation LBraceLoc); |
| Decl *ActOnFinishLinkageSpecification(Scope *S, |
| Decl *LinkageSpec, |
| SourceLocation RBraceLoc); |
| |
| |
| //===--------------------------------------------------------------------===// |
| // C++ Classes |
| // |
| bool isCurrentClassName(const IdentifierInfo &II, Scope *S, |
| const CXXScopeSpec *SS = 0); |
| |
| Decl *ActOnAccessSpecifier(AccessSpecifier Access, |
| SourceLocation ASLoc, |
| SourceLocation ColonLoc); |
| |
| Decl *ActOnCXXMemberDeclarator(Scope *S, AccessSpecifier AS, |
| Declarator &D, |
| MultiTemplateParamsArg TemplateParameterLists, |
| Expr *BitfieldWidth, const VirtSpecifiers &VS, |
| bool HasDeferredInit); |
| void ActOnCXXInClassMemberInitializer(Decl *VarDecl, SourceLocation EqualLoc, |
| Expr *Init); |
| |
| MemInitResult ActOnMemInitializer(Decl *ConstructorD, |
| Scope *S, |
| CXXScopeSpec &SS, |
| IdentifierInfo *MemberOrBase, |
| ParsedType TemplateTypeTy, |
| SourceLocation IdLoc, |
| SourceLocation LParenLoc, |
| Expr **Args, unsigned NumArgs, |
| SourceLocation RParenLoc, |
| SourceLocation EllipsisLoc); |
| |
| MemInitResult ActOnMemInitializer(Decl *ConstructorD, |
| Scope *S, |
| CXXScopeSpec &SS, |
| IdentifierInfo *MemberOrBase, |
| ParsedType TemplateTypeTy, |
| SourceLocation IdLoc, |
| Expr *InitList, |
| SourceLocation EllipsisLoc); |
| |
| MemInitResult BuildMemInitializer(Decl *ConstructorD, |
| Scope *S, |
| CXXScopeSpec &SS, |
| IdentifierInfo *MemberOrBase, |
| ParsedType TemplateTypeTy, |
| SourceLocation IdLoc, |
| const MultiInitializer &Init, |
| SourceLocation EllipsisLoc); |
| |
| MemInitResult BuildMemberInitializer(ValueDecl *Member, |
| const MultiInitializer &Args, |
| SourceLocation IdLoc); |
| |
| MemInitResult BuildBaseInitializer(QualType BaseType, |
| TypeSourceInfo *BaseTInfo, |
| const MultiInitializer &Args, |
| CXXRecordDecl *ClassDecl, |
| SourceLocation EllipsisLoc); |
| |
| MemInitResult BuildDelegatingInitializer(TypeSourceInfo *TInfo, |
| const MultiInitializer &Args, |
| SourceLocation BaseLoc, |
| CXXRecordDecl *ClassDecl); |
| |
| bool SetDelegatingInitializer(CXXConstructorDecl *Constructor, |
| CXXCtorInitializer *Initializer); |
| |
| bool SetCtorInitializers(CXXConstructorDecl *Constructor, |
| CXXCtorInitializer **Initializers, |
| unsigned NumInitializers, bool AnyErrors); |
| |
| void SetIvarInitializers(ObjCImplementationDecl *ObjCImplementation); |
| |
| |
| /// MarkBaseAndMemberDestructorsReferenced - Given a record decl, |
| /// mark all the non-trivial destructors of its members and bases as |
| /// referenced. |
| void MarkBaseAndMemberDestructorsReferenced(SourceLocation Loc, |
| CXXRecordDecl *Record); |
| |
| /// \brief The list of classes whose vtables have been used within |
| /// this translation unit, and the source locations at which the |
| /// first use occurred. |
| typedef std::pair<CXXRecordDecl*, SourceLocation> VTableUse; |
| |
| /// \brief The list of vtables that are required but have not yet been |
| /// materialized. |
| SmallVector<VTableUse, 16> VTableUses; |
| |
| /// \brief The set of classes whose vtables have been used within |
| /// this translation unit, and a bit that will be true if the vtable is |
| /// required to be emitted (otherwise, it should be emitted only if needed |
| /// by code generation). |
| llvm::DenseMap<CXXRecordDecl *, bool> VTablesUsed; |
| |
| /// \brief Load any externally-stored vtable uses. |
| void LoadExternalVTableUses(); |
| |
| typedef LazyVector<CXXRecordDecl *, ExternalSemaSource, |
| &ExternalSemaSource::ReadDynamicClasses, 2, 2> |
| DynamicClassesType; |
| |
| /// \brief A list of all of the dynamic classes in this translation |
| /// unit. |
| DynamicClassesType DynamicClasses; |
| |
| /// \brief Note that the vtable for the given class was used at the |
| /// given location. |
| void MarkVTableUsed(SourceLocation Loc, CXXRecordDecl *Class, |
| bool DefinitionRequired = false); |
| |
| /// MarkVirtualMembersReferenced - Will mark all members of the given |
| /// CXXRecordDecl referenced. |
| void MarkVirtualMembersReferenced(SourceLocation Loc, |
| const CXXRecordDecl *RD); |
| |
| /// \brief Define all of the vtables that have been used in this |
| /// translation unit and reference any virtual members used by those |
| /// vtables. |
| /// |
| /// \returns true if any work was done, false otherwise. |
| bool DefineUsedVTables(); |
| |
| void AddImplicitlyDeclaredMembersToClass(CXXRecordDecl *ClassDecl); |
| |
| void ActOnMemInitializers(Decl *ConstructorDecl, |
| SourceLocation ColonLoc, |
| CXXCtorInitializer **MemInits, |
| unsigned NumMemInits, |
| bool AnyErrors); |
| |
| void CheckCompletedCXXClass(CXXRecordDecl *Record); |
| void ActOnFinishCXXMemberSpecification(Scope* S, SourceLocation RLoc, |
| Decl *TagDecl, |
| SourceLocation LBrac, |
| SourceLocation RBrac, |
| AttributeList *AttrList); |
| |
| void ActOnReenterTemplateScope(Scope *S, Decl *Template); |
| void ActOnReenterDeclaratorTemplateScope(Scope *S, DeclaratorDecl *D); |
| void ActOnStartDelayedMemberDeclarations(Scope *S, Decl *Record); |
| void ActOnStartDelayedCXXMethodDeclaration(Scope *S, Decl *Method); |
| void ActOnDelayedCXXMethodParameter(Scope *S, Decl *Param); |
| void ActOnFinishDelayedMemberDeclarations(Scope *S, Decl *Record); |
| void ActOnFinishDelayedCXXMethodDeclaration(Scope *S, Decl *Method); |
| void ActOnFinishDelayedMemberInitializers(Decl *Record); |
| void MarkAsLateParsedTemplate(FunctionDecl *FD, bool Flag = true); |
| bool IsInsideALocalClassWithinATemplateFunction(); |
| |
| Decl *ActOnStaticAssertDeclaration(SourceLocation StaticAssertLoc, |
| Expr *AssertExpr, |
| Expr *AssertMessageExpr, |
| SourceLocation RParenLoc); |
| |
| FriendDecl *CheckFriendTypeDecl(SourceLocation FriendLoc, |
| TypeSourceInfo *TSInfo); |
| Decl *ActOnFriendTypeDecl(Scope *S, const DeclSpec &DS, |
| MultiTemplateParamsArg TemplateParams); |
| Decl *ActOnFriendFunctionDecl(Scope *S, Declarator &D, |
| MultiTemplateParamsArg TemplateParams); |
| |
| QualType CheckConstructorDeclarator(Declarator &D, QualType R, |
| StorageClass& SC); |
| void CheckConstructor(CXXConstructorDecl *Constructor); |
| QualType CheckDestructorDeclarator(Declarator &D, QualType R, |
| StorageClass& SC); |
| bool CheckDestructor(CXXDestructorDecl *Destructor); |
| void CheckConversionDeclarator(Declarator &D, QualType &R, |
| StorageClass& SC); |
| Decl *ActOnConversionDeclarator(CXXConversionDecl *Conversion); |
| |
| void CheckExplicitlyDefaultedMethods(CXXRecordDecl *Record); |
| void CheckExplicitlyDefaultedDefaultConstructor(CXXConstructorDecl *Ctor); |
| void CheckExplicitlyDefaultedCopyConstructor(CXXConstructorDecl *Ctor); |
| void CheckExplicitlyDefaultedCopyAssignment(CXXMethodDecl *Method); |
| void CheckExplicitlyDefaultedMoveConstructor(CXXConstructorDecl *Ctor); |
| void CheckExplicitlyDefaultedMoveAssignment(CXXMethodDecl *Method); |
| void CheckExplicitlyDefaultedDestructor(CXXDestructorDecl *Dtor); |
| |
| //===--------------------------------------------------------------------===// |
| // C++ Derived Classes |
| // |
| |
| /// ActOnBaseSpecifier - Parsed a base specifier |
| CXXBaseSpecifier *CheckBaseSpecifier(CXXRecordDecl *Class, |
| SourceRange SpecifierRange, |
| bool Virtual, AccessSpecifier Access, |
| TypeSourceInfo *TInfo, |
| SourceLocation EllipsisLoc); |
| |
| BaseResult ActOnBaseSpecifier(Decl *classdecl, |
| SourceRange SpecifierRange, |
| bool Virtual, AccessSpecifier Access, |
| ParsedType basetype, |
| SourceLocation BaseLoc, |
| SourceLocation EllipsisLoc); |
| |
| bool AttachBaseSpecifiers(CXXRecordDecl *Class, CXXBaseSpecifier **Bases, |
| unsigned NumBases); |
| void ActOnBaseSpecifiers(Decl *ClassDecl, CXXBaseSpecifier **Bases, |
| unsigned NumBases); |
| |
| bool IsDerivedFrom(QualType Derived, QualType Base); |
| bool IsDerivedFrom(QualType Derived, QualType Base, CXXBasePaths &Paths); |
| |
| // FIXME: I don't like this name. |
| void BuildBasePathArray(const CXXBasePaths &Paths, CXXCastPath &BasePath); |
| |
| bool BasePathInvolvesVirtualBase(const CXXCastPath &BasePath); |
| |
| bool CheckDerivedToBaseConversion(QualType Derived, QualType Base, |
| SourceLocation Loc, SourceRange Range, |
| CXXCastPath *BasePath = 0, |
| bool IgnoreAccess = false); |
| bool CheckDerivedToBaseConversion(QualType Derived, QualType Base, |
| unsigned InaccessibleBaseID, |
| unsigned AmbigiousBaseConvID, |
| SourceLocation Loc, SourceRange Range, |
| DeclarationName Name, |
| CXXCastPath *BasePath); |
| |
| std::string getAmbiguousPathsDisplayString(CXXBasePaths &Paths); |
| |
| /// CheckOverridingFunctionReturnType - Checks whether the return types are |
| /// covariant, according to C++ [class.virtual]p5. |
| bool CheckOverridingFunctionReturnType(const CXXMethodDecl *New, |
| const CXXMethodDecl *Old); |
| |
| /// CheckOverridingFunctionExceptionSpec - Checks whether the exception |
| /// spec is a subset of base spec. |
| bool CheckOverridingFunctionExceptionSpec(const CXXMethodDecl *New, |
| const CXXMethodDecl *Old); |
| |
| bool CheckPureMethod(CXXMethodDecl *Method, SourceRange InitRange); |
| |
| /// CheckOverrideControl - Check C++0x override control semantics. |
| void CheckOverrideControl(const Decl *D); |
| |
| /// CheckForFunctionMarkedFinal - Checks whether a virtual member function |
| /// overrides a virtual member function marked 'final', according to |
| /// C++0x [class.virtual]p3. |
| bool CheckIfOverriddenFunctionIsMarkedFinal(const CXXMethodDecl *New, |
| const CXXMethodDecl *Old); |
| |
| |
| //===--------------------------------------------------------------------===// |
| // C++ Access Control |
| // |
| |
| enum AccessResult { |
| AR_accessible, |
| AR_inaccessible, |
| AR_dependent, |
| AR_delayed |
| }; |
| |
| bool SetMemberAccessSpecifier(NamedDecl *MemberDecl, |
| NamedDecl *PrevMemberDecl, |
| AccessSpecifier LexicalAS); |
| |
| AccessResult CheckUnresolvedMemberAccess(UnresolvedMemberExpr *E, |
| DeclAccessPair FoundDecl); |
| AccessResult CheckUnresolvedLookupAccess(UnresolvedLookupExpr *E, |
| DeclAccessPair FoundDecl); |
| AccessResult CheckAllocationAccess(SourceLocation OperatorLoc, |
| SourceRange PlacementRange, |
| CXXRecordDecl *NamingClass, |
| DeclAccessPair FoundDecl, |
| bool Diagnose = true); |
| AccessResult CheckConstructorAccess(SourceLocation Loc, |
| CXXConstructorDecl *D, |
| const InitializedEntity &Entity, |
| AccessSpecifier Access, |
| bool IsCopyBindingRefToTemp = false); |
| AccessResult CheckConstructorAccess(SourceLocation Loc, |
| CXXConstructorDecl *D, |
| AccessSpecifier Access, |
| PartialDiagnostic PD); |
| AccessResult CheckDestructorAccess(SourceLocation Loc, |
| CXXDestructorDecl *Dtor, |
| const PartialDiagnostic &PDiag); |
| AccessResult CheckDirectMemberAccess(SourceLocation Loc, |
| NamedDecl *D, |
| const PartialDiagnostic &PDiag); |
| AccessResult CheckMemberOperatorAccess(SourceLocation Loc, |
| Expr *ObjectExpr, |
| Expr *ArgExpr, |
| DeclAccessPair FoundDecl); |
| AccessResult CheckAddressOfMemberAccess(Expr *OvlExpr, |
| DeclAccessPair FoundDecl); |
| AccessResult CheckBaseClassAccess(SourceLocation AccessLoc, |
| QualType Base, QualType Derived, |
| const CXXBasePath &Path, |
| unsigned DiagID, |
| bool ForceCheck = false, |
| bool ForceUnprivileged = false); |
| void CheckLookupAccess(const LookupResult &R); |
| bool IsSimplyAccessible(NamedDecl *decl, CXXRecordDecl *Class); |
| |
| void HandleDependentAccessCheck(const DependentDiagnostic &DD, |
| const MultiLevelTemplateArgumentList &TemplateArgs); |
| void PerformDependentDiagnostics(const DeclContext *Pattern, |
| const MultiLevelTemplateArgumentList &TemplateArgs); |
| |
| void HandleDelayedAccessCheck(sema::DelayedDiagnostic &DD, Decl *Ctx); |
| |
| /// A flag to suppress access checking. |
| bool SuppressAccessChecking; |
| |
| /// \brief When true, access checking violations are treated as SFINAE |
| /// failures rather than hard errors. |
| bool AccessCheckingSFINAE; |
| |
| void ActOnStartSuppressingAccessChecks(); |
| void ActOnStopSuppressingAccessChecks(); |
| |
| enum AbstractDiagSelID { |
| AbstractNone = -1, |
| AbstractReturnType, |
| AbstractParamType, |
| AbstractVariableType, |
| AbstractFieldType, |
| AbstractArrayType |
| }; |
| |
| bool RequireNonAbstractType(SourceLocation Loc, QualType T, |
| const PartialDiagnostic &PD); |
| void DiagnoseAbstractType(const CXXRecordDecl *RD); |
| |
| bool RequireNonAbstractType(SourceLocation Loc, QualType T, unsigned DiagID, |
| AbstractDiagSelID SelID = AbstractNone); |
| |
| //===--------------------------------------------------------------------===// |
| // C++ Overloaded Operators [C++ 13.5] |
| // |
| |
| bool CheckOverloadedOperatorDeclaration(FunctionDecl *FnDecl); |
| |
| bool CheckLiteralOperatorDeclaration(FunctionDecl *FnDecl); |
| |
| //===--------------------------------------------------------------------===// |
| // C++ Templates [C++ 14] |
| // |
| void FilterAcceptableTemplateNames(LookupResult &R); |
| bool hasAnyAcceptableTemplateNames(LookupResult &R); |
| |
| void LookupTemplateName(LookupResult &R, Scope *S, CXXScopeSpec &SS, |
| QualType ObjectType, bool EnteringContext, |
| bool &MemberOfUnknownSpecialization); |
| |
| TemplateNameKind isTemplateName(Scope *S, |
| CXXScopeSpec &SS, |
| bool hasTemplateKeyword, |
| UnqualifiedId &Name, |
| ParsedType ObjectType, |
| bool EnteringContext, |
| TemplateTy &Template, |
| bool &MemberOfUnknownSpecialization); |
| |
| bool DiagnoseUnknownTemplateName(const IdentifierInfo &II, |
| SourceLocation IILoc, |
| Scope *S, |
| const CXXScopeSpec *SS, |
| TemplateTy &SuggestedTemplate, |
| TemplateNameKind &SuggestedKind); |
| |
| bool DiagnoseTemplateParameterShadow(SourceLocation Loc, Decl *PrevDecl); |
| TemplateDecl *AdjustDeclIfTemplate(Decl *&Decl); |
| |
| Decl *ActOnTypeParameter(Scope *S, bool Typename, bool Ellipsis, |
| SourceLocation EllipsisLoc, |
| SourceLocation KeyLoc, |
| IdentifierInfo *ParamName, |
| SourceLocation ParamNameLoc, |
| unsigned Depth, unsigned Position, |
| SourceLocation EqualLoc, |
| ParsedType DefaultArg); |
| |
| QualType CheckNonTypeTemplateParameterType(QualType T, SourceLocation Loc); |
| Decl *ActOnNonTypeTemplateParameter(Scope *S, Declarator &D, |
| unsigned Depth, |
| unsigned Position, |
| SourceLocation EqualLoc, |
| Expr *DefaultArg); |
| Decl *ActOnTemplateTemplateParameter(Scope *S, |
| SourceLocation TmpLoc, |
| TemplateParameterList *Params, |
| SourceLocation EllipsisLoc, |
| IdentifierInfo *ParamName, |
| SourceLocation ParamNameLoc, |
| unsigned Depth, |
| unsigned Position, |
| SourceLocation EqualLoc, |
| ParsedTemplateArgument DefaultArg); |
| |
| TemplateParameterList * |
| ActOnTemplateParameterList(unsigned Depth, |
| SourceLocation ExportLoc, |
| SourceLocation TemplateLoc, |
| SourceLocation LAngleLoc, |
| Decl **Params, unsigned NumParams, |
| SourceLocation RAngleLoc); |
| |
| /// \brief The context in which we are checking a template parameter |
| /// list. |
| enum TemplateParamListContext { |
| TPC_ClassTemplate, |
| TPC_FunctionTemplate, |
| TPC_ClassTemplateMember, |
| TPC_FriendFunctionTemplate, |
| TPC_FriendFunctionTemplateDefinition, |
| TPC_TypeAliasTemplate |
| }; |
| |
| bool CheckTemplateParameterList(TemplateParameterList *NewParams, |
| TemplateParameterList *OldParams, |
| TemplateParamListContext TPC); |
| TemplateParameterList * |
| MatchTemplateParametersToScopeSpecifier(SourceLocation DeclStartLoc, |
| SourceLocation DeclLoc, |
| const CXXScopeSpec &SS, |
| TemplateParameterList **ParamLists, |
| unsigned NumParamLists, |
| bool IsFriend, |
| bool &IsExplicitSpecialization, |
| bool &Invalid); |
| |
| DeclResult CheckClassTemplate(Scope *S, unsigned TagSpec, TagUseKind TUK, |
| SourceLocation KWLoc, CXXScopeSpec &SS, |
| IdentifierInfo *Name, SourceLocation NameLoc, |
| AttributeList *Attr, |
| TemplateParameterList *TemplateParams, |
| AccessSpecifier AS, |
| SourceLocation ModulePrivateLoc, |
| unsigned NumOuterTemplateParamLists, |
| TemplateParameterList **OuterTemplateParamLists); |
| |
| void translateTemplateArguments(const ASTTemplateArgsPtr &In, |
| TemplateArgumentListInfo &Out); |
| |
| void NoteAllFoundTemplates(TemplateName Name); |
| |
| QualType CheckTemplateIdType(TemplateName Template, |
| SourceLocation TemplateLoc, |
| TemplateArgumentListInfo &TemplateArgs); |
| |
| TypeResult |
| ActOnTemplateIdType(CXXScopeSpec &SS, |
| TemplateTy Template, SourceLocation TemplateLoc, |
| SourceLocation LAngleLoc, |
| ASTTemplateArgsPtr TemplateArgs, |
| SourceLocation RAngleLoc); |
| |
| /// \brief Parsed an elaborated-type-specifier that refers to a template-id, |
| /// such as \c class T::template apply<U>. |
| /// |
| /// \param TUK |
| TypeResult ActOnTagTemplateIdType(TagUseKind TUK, |
| TypeSpecifierType TagSpec, |
| SourceLocation TagLoc, |
| CXXScopeSpec &SS, |
| TemplateTy TemplateD, |
| SourceLocation TemplateLoc, |
| SourceLocation LAngleLoc, |
| ASTTemplateArgsPtr TemplateArgsIn, |
| SourceLocation RAngleLoc); |
| |
| |
| ExprResult BuildTemplateIdExpr(const CXXScopeSpec &SS, |
| LookupResult &R, |
| bool RequiresADL, |
| const TemplateArgumentListInfo &TemplateArgs); |
| ExprResult BuildQualifiedTemplateIdExpr(CXXScopeSpec &SS, |
| const DeclarationNameInfo &NameInfo, |
| const TemplateArgumentListInfo &TemplateArgs); |
| |
| TemplateNameKind ActOnDependentTemplateName(Scope *S, |
| SourceLocation TemplateKWLoc, |
| CXXScopeSpec &SS, |
| UnqualifiedId &Name, |
| ParsedType ObjectType, |
| bool EnteringContext, |
| TemplateTy &Template); |
| |
| DeclResult |
| ActOnClassTemplateSpecialization(Scope *S, unsigned TagSpec, TagUseKind TUK, |
| SourceLocation KWLoc, |
| SourceLocation ModulePrivateLoc, |
| CXXScopeSpec &SS, |
| TemplateTy Template, |
| SourceLocation TemplateNameLoc, |
| SourceLocation LAngleLoc, |
| ASTTemplateArgsPtr TemplateArgs, |
| SourceLocation RAngleLoc, |
| AttributeList *Attr, |
| MultiTemplateParamsArg TemplateParameterLists); |
| |
| Decl *ActOnTemplateDeclarator(Scope *S, |
| MultiTemplateParamsArg TemplateParameterLists, |
| Declarator &D); |
| |
| Decl *ActOnStartOfFunctionTemplateDef(Scope *FnBodyScope, |
| MultiTemplateParamsArg TemplateParameterLists, |
| Declarator &D); |
| |
| bool |
| CheckSpecializationInstantiationRedecl(SourceLocation NewLoc, |
| TemplateSpecializationKind NewTSK, |
| NamedDecl *PrevDecl, |
| TemplateSpecializationKind PrevTSK, |
| SourceLocation PrevPtOfInstantiation, |
| bool &SuppressNew); |
| |
| bool CheckDependentFunctionTemplateSpecialization(FunctionDecl *FD, |
| const TemplateArgumentListInfo &ExplicitTemplateArgs, |
| LookupResult &Previous); |
| |
| bool CheckFunctionTemplateSpecialization(FunctionDecl *FD, |
| TemplateArgumentListInfo *ExplicitTemplateArgs, |
| LookupResult &Previous); |
| bool CheckMemberSpecialization(NamedDecl *Member, LookupResult &Previous); |
| |
| DeclResult |
| ActOnExplicitInstantiation(Scope *S, |
| SourceLocation ExternLoc, |
| SourceLocation TemplateLoc, |
| unsigned TagSpec, |
| SourceLocation KWLoc, |
| const CXXScopeSpec &SS, |
| TemplateTy Template, |
| SourceLocation TemplateNameLoc, |
| SourceLocation LAngleLoc, |
| ASTTemplateArgsPtr TemplateArgs, |
| SourceLocation RAngleLoc, |
| AttributeList *Attr); |
| |
| DeclResult |
| ActOnExplicitInstantiation(Scope *S, |
| SourceLocation ExternLoc, |
| SourceLocation TemplateLoc, |
| unsigned TagSpec, |
| SourceLocation KWLoc, |
| CXXScopeSpec &SS, |
| IdentifierInfo *Name, |
| SourceLocation NameLoc, |
| AttributeList *Attr); |
| |
| DeclResult ActOnExplicitInstantiation(Scope *S, |
| SourceLocation ExternLoc, |
| SourceLocation TemplateLoc, |
| Declarator &D); |
| |
| TemplateArgumentLoc |
| SubstDefaultTemplateArgumentIfAvailable(TemplateDecl *Template, |
| SourceLocation TemplateLoc, |
| SourceLocation RAngleLoc, |
| Decl *Param, |
| SmallVectorImpl<TemplateArgument> &Converted); |
| |
| /// \brief Specifies the context in which a particular template |
| /// argument is being checked. |
| enum CheckTemplateArgumentKind { |
| /// \brief The template argument was specified in the code or was |
| /// instantiated with some deduced template arguments. |
| CTAK_Specified, |
| |
| /// \brief The template argument was deduced via template argument |
| /// deduction. |
| CTAK_Deduced, |
| |
| /// \brief The template argument was deduced from an array bound |
| /// via template argument deduction. |
| CTAK_DeducedFromArrayBound |
| }; |
| |
| bool CheckTemplateArgument(NamedDecl *Param, |
| const TemplateArgumentLoc &Arg, |
| NamedDecl *Template, |
| SourceLocation TemplateLoc, |
| SourceLocation RAngleLoc, |
| unsigned ArgumentPackIndex, |
| SmallVectorImpl<TemplateArgument> &Converted, |
| CheckTemplateArgumentKind CTAK = CTAK_Specified); |
| |
| /// \brief Check that the given template arguments can be be provided to |
| /// the given template, converting the arguments along the way. |
| /// |
| /// \param Template The template to which the template arguments are being |
| /// provided. |
| /// |
| /// \param TemplateLoc The location of the template name in the source. |
| /// |
| /// \param TemplateArgs The list of template arguments. If the template is |
| /// a template template parameter, this function may extend the set of |
| /// template arguments to also include substituted, defaulted template |
| /// arguments. |
| /// |
| /// \param PartialTemplateArgs True if the list of template arguments is |
| /// intentionally partial, e.g., because we're checking just the initial |
| /// set of template arguments. |
| /// |
| /// \param Converted Will receive the converted, canonicalized template |
| /// arguments. |
| /// |
| /// \returns True if an error occurred, false otherwise. |
| bool CheckTemplateArgumentList(TemplateDecl *Template, |
| SourceLocation TemplateLoc, |
| TemplateArgumentListInfo &TemplateArgs, |
| bool PartialTemplateArgs, |
| SmallVectorImpl<TemplateArgument> &Converted); |
| |
| bool CheckTemplateTypeArgument(TemplateTypeParmDecl *Param, |
| const TemplateArgumentLoc &Arg, |
| SmallVectorImpl<TemplateArgument> &Converted); |
| |
| bool CheckTemplateArgument(TemplateTypeParmDecl *Param, |
| TypeSourceInfo *Arg); |
| bool CheckTemplateArgumentPointerToMember(Expr *Arg, |
| TemplateArgument &Converted); |
| ExprResult CheckTemplateArgument(NonTypeTemplateParmDecl *Param, |
| QualType InstantiatedParamType, Expr *Arg, |
| TemplateArgument &Converted, |
| CheckTemplateArgumentKind CTAK = CTAK_Specified); |
| bool CheckTemplateArgument(TemplateTemplateParmDecl *Param, |
| const TemplateArgumentLoc &Arg); |
| |
| ExprResult |
| BuildExpressionFromDeclTemplateArgument(const TemplateArgument &Arg, |
| QualType ParamType, |
| SourceLocation Loc); |
| ExprResult |
| BuildExpressionFromIntegralTemplateArgument(const TemplateArgument &Arg, |
| SourceLocation Loc); |
| |
| /// \brief Enumeration describing how template parameter lists are compared |
| /// for equality. |
| enum TemplateParameterListEqualKind { |
| /// \brief We are matching the template parameter lists of two templates |
| /// that might be redeclarations. |
| /// |
| /// \code |
| /// template<typename T> struct X; |
| /// template<typename T> struct X; |
| /// \endcode |
| TPL_TemplateMatch, |
| |
| /// \brief We are matching the template parameter lists of two template |
| /// template parameters as part of matching the template parameter lists |
| /// of two templates that might be redeclarations. |
| /// |
| /// \code |
| /// template<template<int I> class TT> struct X; |
| /// template<template<int Value> class Other> struct X; |
| /// \endcode |
| TPL_TemplateTemplateParmMatch, |
| |
| /// \brief We are matching the template parameter lists of a template |
| /// template argument against the template parameter lists of a template |
| /// template parameter. |
| /// |
| /// \code |
| /// template<template<int Value> class Metafun> struct X; |
| /// template<int Value> struct integer_c; |
| /// X<integer_c> xic; |
| /// \endcode |
| TPL_TemplateTemplateArgumentMatch |
| }; |
| |
| bool TemplateParameterListsAreEqual(TemplateParameterList *New, |
| TemplateParameterList *Old, |
| bool Complain, |
| TemplateParameterListEqualKind Kind, |
| SourceLocation TemplateArgLoc |
| = SourceLocation()); |
| |
| bool CheckTemplateDeclScope(Scope *S, TemplateParameterList *TemplateParams); |
| |
| /// \brief Called when the parser has parsed a C++ typename |
| /// specifier, e.g., "typename T::type". |
| /// |
| /// \param S The scope in which this typename type occurs. |
| /// \param TypenameLoc the location of the 'typename' keyword |
| /// \param SS the nested-name-specifier following the typename (e.g., 'T::'). |
| /// \param II the identifier we're retrieving (e.g., 'type' in the example). |
| /// \param IdLoc the location of the identifier. |
| TypeResult |
| ActOnTypenameType(Scope *S, SourceLocation TypenameLoc, |
| const CXXScopeSpec &SS, const IdentifierInfo &II, |
| SourceLocation IdLoc); |
| |
| /// \brief Called when the parser has parsed a C++ typename |
| /// specifier that ends in a template-id, e.g., |
| /// "typename MetaFun::template apply<T1, T2>". |
| /// |
| /// \param S The scope in which this typename type occurs. |
| /// \param TypenameLoc the location of the 'typename' keyword |
| /// \param SS the nested-name-specifier following the typename (e.g., 'T::'). |
| /// \param TemplateLoc the location of the 'template' keyword, if any. |
| /// \param TemplateName The template name. |
| /// \param TemplateNameLoc The location of the template name. |
| /// \param LAngleLoc The location of the opening angle bracket ('<'). |
| /// \param TemplateArgs The template arguments. |
| /// \param RAngleLoc The location of the closing angle bracket ('>'). |
| TypeResult |
| ActOnTypenameType(Scope *S, SourceLocation TypenameLoc, |
| const CXXScopeSpec &SS, |
| SourceLocation TemplateLoc, |
| TemplateTy Template, |
| SourceLocation TemplateNameLoc, |
| SourceLocation LAngleLoc, |
| ASTTemplateArgsPtr TemplateArgs, |
| SourceLocation RAngleLoc); |
| |
| QualType CheckTypenameType(ElaboratedTypeKeyword Keyword, |
| SourceLocation KeywordLoc, |
| NestedNameSpecifierLoc QualifierLoc, |
| const IdentifierInfo &II, |
| SourceLocation IILoc); |
| |
| TypeSourceInfo *RebuildTypeInCurrentInstantiation(TypeSourceInfo *T, |
| SourceLocation Loc, |
| DeclarationName Name); |
| bool RebuildNestedNameSpecifierInCurrentInstantiation(CXXScopeSpec &SS); |
| |
| ExprResult RebuildExprInCurrentInstantiation(Expr *E); |
| |
| std::string |
| getTemplateArgumentBindingsText(const TemplateParameterList *Params, |
| const TemplateArgumentList &Args); |
| |
| std::string |
| getTemplateArgumentBindingsText(const TemplateParameterList *Params, |
| const TemplateArgument *Args, |
| unsigned NumArgs); |
| |
| //===--------------------------------------------------------------------===// |
| // C++ Variadic Templates (C++0x [temp.variadic]) |
| //===--------------------------------------------------------------------===// |
| |
| /// \brief The context in which an unexpanded parameter pack is |
| /// being diagnosed. |
| /// |
| /// Note that the values of this enumeration line up with the first |
| /// argument to the \c err_unexpanded_parameter_pack diagnostic. |
| enum UnexpandedParameterPackContext { |
| /// \brief An arbitrary expression. |
| UPPC_Expression = 0, |
| |
| /// \brief The base type of a class type. |
| UPPC_BaseType, |
| |
| /// \brief The type of an arbitrary declaration. |
| UPPC_DeclarationType, |
| |
| /// \brief The type of a data member. |
| UPPC_DataMemberType, |
| |
| /// \brief The size of a bit-field. |
| UPPC_BitFieldWidth, |
| |
| /// \brief The expression in a static assertion. |
| UPPC_StaticAssertExpression, |
| |
| /// \brief The fixed underlying type of an enumeration. |
| UPPC_FixedUnderlyingType, |
| |
| /// \brief The enumerator value. |
| UPPC_EnumeratorValue, |
| |
| /// \brief A using declaration. |
| UPPC_UsingDeclaration, |
| |
| /// \brief A friend declaration. |
| UPPC_FriendDeclaration, |
| |
| /// \brief A declaration qualifier. |
| UPPC_DeclarationQualifier, |
| |
| /// \brief An initializer. |
| UPPC_Initializer, |
| |
| /// \brief A default argument. |
| UPPC_DefaultArgument, |
| |
| /// \brief The type of a non-type template parameter. |
| UPPC_NonTypeTemplateParameterType, |
| |
| /// \brief The type of an exception. |
| UPPC_ExceptionType, |
| |
| /// \brief Partial specialization. |
| UPPC_PartialSpecialization |
| }; |
| |
| /// \brief If the given type contains an unexpanded parameter pack, |
| /// diagnose the error. |
| /// |
| /// \param Loc The source location where a diagnostc should be emitted. |
| /// |
| /// \param T The type that is being checked for unexpanded parameter |
| /// packs. |
| /// |
| /// \returns true if an error occurred, false otherwise. |
| bool DiagnoseUnexpandedParameterPack(SourceLocation Loc, TypeSourceInfo *T, |
| UnexpandedParameterPackContext UPPC); |
| |
| /// \brief If the given expression contains an unexpanded parameter |
| /// pack, diagnose the error. |
| /// |
| /// \param E The expression that is being checked for unexpanded |
| /// parameter packs. |
| /// |
| /// \returns true if an error occurred, false otherwise. |
| bool DiagnoseUnexpandedParameterPack(Expr *E, |
| UnexpandedParameterPackContext UPPC = UPPC_Expression); |
| |
| /// \brief If the given nested-name-specifier contains an unexpanded |
| /// parameter pack, diagnose the error. |
| /// |
| /// \param SS The nested-name-specifier that is being checked for |
| /// unexpanded parameter packs. |
| /// |
| /// \returns true if an error occurred, false otherwise. |
| bool DiagnoseUnexpandedParameterPack(const CXXScopeSpec &SS, |
| UnexpandedParameterPackContext UPPC); |
| |
| /// \brief If the given name contains an unexpanded parameter pack, |
| /// diagnose the error. |
| /// |
| /// \param NameInfo The name (with source location information) that |
| /// is being checked for unexpanded parameter packs. |
| /// |
| /// \returns true if an error occurred, false otherwise. |
| bool DiagnoseUnexpandedParameterPack(const DeclarationNameInfo &NameInfo, |
| UnexpandedParameterPackContext UPPC); |
| |
| /// \brief If the given template name contains an unexpanded parameter pack, |
| /// diagnose the error. |
| /// |
| /// \param Loc The location of the template name. |
| /// |
| /// \param Template The template name that is being checked for unexpanded |
| /// parameter packs. |
| /// |
| /// \returns true if an error occurred, false otherwise. |
| bool DiagnoseUnexpandedParameterPack(SourceLocation Loc, |
| TemplateName Template, |
| UnexpandedParameterPackContext UPPC); |
| |
| /// \brief If the given template argument contains an unexpanded parameter |
| /// pack, diagnose the error. |
| /// |
| /// \param Arg The template argument that is being checked for unexpanded |
| /// parameter packs. |
| /// |
| /// \returns true if an error occurred, false otherwise. |
| bool DiagnoseUnexpandedParameterPack(TemplateArgumentLoc Arg, |
| UnexpandedParameterPackContext UPPC); |
| |
| /// \brief Collect the set of unexpanded parameter packs within the given |
| /// template argument. |
| /// |
| /// \param Arg The template argument that will be traversed to find |
| /// unexpanded parameter packs. |
| void collectUnexpandedParameterPacks(TemplateArgument Arg, |
| SmallVectorImpl<UnexpandedParameterPack> &Unexpanded); |
| |
| /// \brief Collect the set of unexpanded parameter packs within the given |
| /// template argument. |
| /// |
| /// \param Arg The template argument that will be traversed to find |
| /// unexpanded parameter packs. |
| void collectUnexpandedParameterPacks(TemplateArgumentLoc Arg, |
| SmallVectorImpl<UnexpandedParameterPack> &Unexpanded); |
| |
| /// \brief Collect the set of unexpanded parameter packs within the given |
| /// type. |
| /// |
| /// \param T The type that will be traversed to find |
| /// unexpanded parameter packs. |
| void collectUnexpandedParameterPacks(QualType T, |
| SmallVectorImpl<UnexpandedParameterPack> &Unexpanded); |
| |
| /// \brief Collect the set of unexpanded parameter packs within the given |
| /// type. |
| /// |
| /// \param TL The type that will be traversed to find |
| /// unexpanded parameter packs. |
| void collectUnexpandedParameterPacks(TypeLoc TL, |
| SmallVectorImpl<UnexpandedParameterPack> &Unexpanded); |
| |
| /// \brief Invoked when parsing a template argument followed by an |
| /// ellipsis, which creates a pack expansion. |
| /// |
| /// \param Arg The template argument preceding the ellipsis, which |
| /// may already be invalid. |
| /// |
| /// \param EllipsisLoc The location of the ellipsis. |
| ParsedTemplateArgument ActOnPackExpansion(const ParsedTemplateArgument &Arg, |
| SourceLocation EllipsisLoc); |
| |
| /// \brief Invoked when parsing a type followed by an ellipsis, which |
| /// creates a pack expansion. |
| /// |
| /// \param Type The type preceding the ellipsis, which will become |
| /// the pattern of the pack expansion. |
| /// |
| /// \param EllipsisLoc The location of the ellipsis. |
| TypeResult ActOnPackExpansion(ParsedType Type, SourceLocation EllipsisLoc); |
| |
| /// \brief Construct a pack expansion type from the pattern of the pack |
| /// expansion. |
| TypeSourceInfo *CheckPackExpansion(TypeSourceInfo *Pattern, |
| SourceLocation EllipsisLoc, |
| llvm::Optional<unsigned> NumExpansions); |
| |
| /// \brief Construct a pack expansion type from the pattern of the pack |
| /// expansion. |
| QualType CheckPackExpansion(QualType Pattern, |
| SourceRange PatternRange, |
| SourceLocation EllipsisLoc, |
| llvm::Optional<unsigned> NumExpansions); |
| |
| /// \brief Invoked when parsing an expression followed by an ellipsis, which |
| /// creates a pack expansion. |
| /// |
| /// \param Pattern The expression preceding the ellipsis, which will become |
| /// the pattern of the pack expansion. |
| /// |
| /// \param EllipsisLoc The location of the ellipsis. |
| ExprResult ActOnPackExpansion(Expr *Pattern, SourceLocation EllipsisLoc); |
| |
| /// \brief Invoked when parsing an expression followed by an ellipsis, which |
| /// creates a pack expansion. |
| /// |
| /// \param Pattern The expression preceding the ellipsis, which will become |
| /// the pattern of the pack expansion. |
| /// |
| /// \param EllipsisLoc The location of the ellipsis. |
| ExprResult CheckPackExpansion(Expr *Pattern, SourceLocation EllipsisLoc, |
| llvm::Optional<unsigned> NumExpansions); |
| |
| /// \brief Determine whether we could expand a pack expansion with the |
| /// given set of parameter packs into separate arguments by repeatedly |
| /// transforming the pattern. |
| /// |
| /// \param EllipsisLoc The location of the ellipsis that identifies the |
| /// pack expansion. |
| /// |
| /// \param PatternRange The source range that covers the entire pattern of |
| /// the pack expansion. |
| /// |
| /// \param Unexpanded The set of unexpanded parameter packs within the |
| /// pattern. |
| /// |
| /// \param NumUnexpanded The number of unexpanded parameter packs in |
| /// \p Unexpanded. |
| /// |
| /// \param ShouldExpand Will be set to \c true if the transformer should |
| /// expand the corresponding pack expansions into separate arguments. When |
| /// set, \c NumExpansions must also be set. |
| /// |
| /// \param RetainExpansion Whether the caller should add an unexpanded |
| /// pack expansion after all of the expanded arguments. This is used |
| /// when extending explicitly-specified template argument packs per |
| /// C++0x [temp.arg.explicit]p9. |
| /// |
| /// \param NumExpansions The number of separate arguments that will be in |
| /// the expanded form of the corresponding pack expansion. This is both an |
| /// input and an output parameter, which can be set by the caller if the |
| /// number of expansions is known a priori (e.g., due to a prior substitution) |
| /// and will be set by the callee when the number of expansions is known. |
| /// The callee must set this value when \c ShouldExpand is \c true; it may |
| /// set this value in other cases. |
| /// |
| /// \returns true if an error occurred (e.g., because the parameter packs |
| /// are to be instantiated with arguments of different lengths), false |
| /// otherwise. If false, \c ShouldExpand (and possibly \c NumExpansions) |
| /// must be set. |
| bool CheckParameterPacksForExpansion(SourceLocation EllipsisLoc, |
| SourceRange PatternRange, |
| llvm::ArrayRef<UnexpandedParameterPack> Unexpanded, |
| const MultiLevelTemplateArgumentList &TemplateArgs, |
| bool &ShouldExpand, |
| bool &RetainExpansion, |
| llvm::Optional<unsigned> &NumExpansions); |
| |
| /// \brief Determine the number of arguments in the given pack expansion |
| /// type. |
| /// |
| /// This routine already assumes that the pack expansion type can be |
| /// expanded and that the number of arguments in the expansion is |
| /// consistent across all of the unexpanded parameter packs in its pattern. |
| unsigned getNumArgumentsInExpansion(QualType T, |
| const MultiLevelTemplateArgumentList &TemplateArgs); |
| |
| /// \brief Determine whether the given declarator contains any unexpanded |
| /// parameter packs. |
| /// |
| /// This routine is used by the parser to disambiguate function declarators |
| /// with an ellipsis prior to the ')', e.g., |
| /// |
| /// \code |
| /// void f(T...); |
| /// \endcode |
| /// |
| /// To determine whether we have an (unnamed) function parameter pack or |
| /// a variadic function. |
| /// |
| /// \returns true if the declarator contains any unexpanded parameter packs, |
| /// false otherwise. |
| bool containsUnexpandedParameterPacks(Declarator &D); |
| |
| //===--------------------------------------------------------------------===// |
| // C++ Template Argument Deduction (C++ [temp.deduct]) |
| //===--------------------------------------------------------------------===// |
| |
| /// \brief Describes the result of template argument deduction. |
| /// |
| /// The TemplateDeductionResult enumeration describes the result of |
| /// template argument deduction, as returned from |
| /// DeduceTemplateArguments(). The separate TemplateDeductionInfo |
| /// structure provides additional information about the results of |
| /// template argument deduction, e.g., the deduced template argument |
| /// list (if successful) or the specific template parameters or |
| /// deduced arguments that were involved in the failure. |
| enum TemplateDeductionResult { |
| /// \brief Template argument deduction was successful. |
| TDK_Success = 0, |
| /// \brief Template argument deduction exceeded the maximum template |
| /// instantiation depth (which has already been diagnosed). |
| TDK_InstantiationDepth, |
| /// \brief Template argument deduction did not deduce a value |
| /// for every template parameter. |
| TDK_Incomplete, |
| /// \brief Template argument deduction produced inconsistent |
| /// deduced values for the given template parameter. |
| TDK_Inconsistent, |
| /// \brief Template argument deduction failed due to inconsistent |
| /// cv-qualifiers on a template parameter type that would |
| /// otherwise be deduced, e.g., we tried to deduce T in "const T" |
| /// but were given a non-const "X". |
| TDK_Underqualified, |
| /// \brief Substitution of the deduced template argument values |
| /// resulted in an error. |
| TDK_SubstitutionFailure, |
| /// \brief Substitution of the deduced template argument values |
| /// into a non-deduced context produced a type or value that |
| /// produces a type that does not match the original template |
| /// arguments provided. |
| TDK_NonDeducedMismatch, |
| /// \brief When performing template argument deduction for a function |
| /// template, there were too many call arguments. |
| TDK_TooManyArguments, |
| /// \brief When performing template argument deduction for a function |
| /// template, there were too few call arguments. |
| TDK_TooFewArguments, |
| /// \brief The explicitly-specified template arguments were not valid |
| /// template arguments for the given template. |
| TDK_InvalidExplicitArguments, |
| /// \brief The arguments included an overloaded function name that could |
| /// not be resolved to a suitable function. |
| TDK_FailedOverloadResolution |
| }; |
| |
| TemplateDeductionResult |
| DeduceTemplateArguments(ClassTemplatePartialSpecializationDecl *Partial, |
| const TemplateArgumentList &TemplateArgs, |
| sema::TemplateDeductionInfo &Info); |
| |
| TemplateDeductionResult |
| SubstituteExplicitTemplateArguments(FunctionTemplateDecl *FunctionTemplate, |
| TemplateArgumentListInfo &ExplicitTemplateArgs, |
| SmallVectorImpl<DeducedTemplateArgument> &Deduced, |
| SmallVectorImpl<QualType> &ParamTypes, |
| QualType *FunctionType, |
| sema::TemplateDeductionInfo &Info); |
| |
| /// brief A function argument from which we performed template argument |
| // deduction for a call. |
| struct OriginalCallArg { |
| OriginalCallArg(QualType OriginalParamType, |
| unsigned ArgIdx, |
| QualType OriginalArgType) |
| : OriginalParamType(OriginalParamType), ArgIdx(ArgIdx), |
| OriginalArgType(OriginalArgType) { } |
| |
| QualType OriginalParamType; |
| unsigned ArgIdx; |
| QualType OriginalArgType; |
| }; |
| |
| TemplateDeductionResult |
| FinishTemplateArgumentDeduction(FunctionTemplateDecl *FunctionTemplate, |
| SmallVectorImpl<DeducedTemplateArgument> &Deduced, |
| unsigned NumExplicitlySpecified, |
| FunctionDecl *&Specialization, |
| sema::TemplateDeductionInfo &Info, |
| SmallVectorImpl<OriginalCallArg> const *OriginalCallArgs = 0); |
| |
| TemplateDeductionResult |
| DeduceTemplateArguments(FunctionTemplateDecl *FunctionTemplate, |
| TemplateArgumentListInfo *ExplicitTemplateArgs, |
| Expr **Args, unsigned NumArgs, |
| FunctionDecl *&Specialization, |
| sema::TemplateDeductionInfo &Info); |
| |
| TemplateDeductionResult |
| DeduceTemplateArguments(FunctionTemplateDecl *FunctionTemplate, |
| TemplateArgumentListInfo *ExplicitTemplateArgs, |
| QualType ArgFunctionType, |
| FunctionDecl *&Specialization, |
| sema::TemplateDeductionInfo &Info); |
| |
| TemplateDeductionResult |
| DeduceTemplateArguments(FunctionTemplateDecl *FunctionTemplate, |
| QualType ToType, |
| CXXConversionDecl *&Specialization, |
| sema::TemplateDeductionInfo &Info); |
| |
| TemplateDeductionResult |
| DeduceTemplateArguments(FunctionTemplateDecl *FunctionTemplate, |
| TemplateArgumentListInfo *ExplicitTemplateArgs, |
| FunctionDecl *&Specialization, |
| sema::TemplateDeductionInfo &Info); |
| |
| bool DeduceAutoType(TypeSourceInfo *AutoType, Expr *Initializer, |
| TypeSourceInfo *&Result); |
| |
| FunctionTemplateDecl *getMoreSpecializedTemplate(FunctionTemplateDecl *FT1, |
| FunctionTemplateDecl *FT2, |
| SourceLocation Loc, |
| TemplatePartialOrderingContext TPOC, |
| unsigned NumCallArguments); |
| UnresolvedSetIterator getMostSpecialized(UnresolvedSetIterator SBegin, |
| UnresolvedSetIterator SEnd, |
| TemplatePartialOrderingContext TPOC, |
| unsigned NumCallArguments, |
| SourceLocation Loc, |
| const PartialDiagnostic &NoneDiag, |
| const PartialDiagnostic &AmbigDiag, |
| const PartialDiagnostic &CandidateDiag, |
| bool Complain = true); |
| |
| ClassTemplatePartialSpecializationDecl * |
| getMoreSpecializedPartialSpecialization( |
| ClassTemplatePartialSpecializationDecl *PS1, |
| ClassTemplatePartialSpecializationDecl *PS2, |
| SourceLocation Loc); |
| |
| void MarkUsedTemplateParameters(const TemplateArgumentList &TemplateArgs, |
| bool OnlyDeduced, |
| unsigned Depth, |
| SmallVectorImpl<bool> &Used); |
| void MarkDeducedTemplateParameters(FunctionTemplateDecl *FunctionTemplate, |
| SmallVectorImpl<bool> &Deduced); |
| |
| //===--------------------------------------------------------------------===// |
| // C++ Template Instantiation |
| // |
| |
| MultiLevelTemplateArgumentList getTemplateInstantiationArgs(NamedDecl *D, |
| const TemplateArgumentList *Innermost = 0, |
| bool RelativeToPrimary = false, |
| const FunctionDecl *Pattern = 0); |
| |
| /// \brief A template instantiation that is currently in progress. |
| struct ActiveTemplateInstantiation { |
| /// \brief The kind of template instantiation we are performing |
| enum InstantiationKind { |
| /// We are instantiating a template declaration. The entity is |
| /// the declaration we're instantiating (e.g., a CXXRecordDecl). |
| TemplateInstantiation, |
| |
| /// We are instantiating a default argument for a template |
| /// parameter. The Entity is the template, and |
| /// TemplateArgs/NumTemplateArguments provides the template |
| /// arguments as specified. |
| /// FIXME: Use a TemplateArgumentList |
| DefaultTemplateArgumentInstantiation, |
| |
| /// We are instantiating a default argument for a function. |
| /// The Entity is the ParmVarDecl, and TemplateArgs/NumTemplateArgs |
| /// provides the template arguments as specified. |
| DefaultFunctionArgumentInstantiation, |
| |
| /// We are substituting explicit template arguments provided for |
| /// a function template. The entity is a FunctionTemplateDecl. |
| ExplicitTemplateArgumentSubstitution, |
| |
| /// We are substituting template argument determined as part of |
| /// template argument deduction for either a class template |
| /// partial specialization or a function template. The |
| /// Entity is either a ClassTemplatePartialSpecializationDecl or |
| /// a FunctionTemplateDecl. |
| DeducedTemplateArgumentSubstitution, |
| |
| /// We are substituting prior template arguments into a new |
| /// template parameter. The template parameter itself is either a |
| /// NonTypeTemplateParmDecl or a TemplateTemplateParmDecl. |
| PriorTemplateArgumentSubstitution, |
| |
| /// We are checking the validity of a default template argument that |
| /// has been used when naming a template-id. |
| DefaultTemplateArgumentChecking |
| } Kind; |
| |
| /// \brief The point of instantiation within the source code. |
| SourceLocation PointOfInstantiation; |
| |
| /// \brief The template (or partial specialization) in which we are |
| /// performing the instantiation, for substitutions of prior template |
| /// arguments. |
| NamedDecl *Template; |
| |
| /// \brief The entity that is being instantiated. |
| uintptr_t Entity; |
| |
| /// \brief The list of template arguments we are substituting, if they |
| /// are not part of the entity. |
| const TemplateArgument *TemplateArgs; |
| |
| /// \brief The number of template arguments in TemplateArgs. |
| unsigned NumTemplateArgs; |
| |
| /// \brief The template deduction info object associated with the |
| /// substitution or checking of explicit or deduced template arguments. |
| sema::TemplateDeductionInfo *DeductionInfo; |
| |
| /// \brief The source range that covers the construct that cause |
| /// the instantiation, e.g., the template-id that causes a class |
| /// template instantiation. |
| SourceRange InstantiationRange; |
| |
| ActiveTemplateInstantiation() |
| : Kind(TemplateInstantiation), Template(0), Entity(0), TemplateArgs(0), |
| NumTemplateArgs(0), DeductionInfo(0) {} |
| |
| /// \brief Determines whether this template is an actual instantiation |
| /// that should be counted toward the maximum instantiation depth. |
| bool isInstantiationRecord() const; |
| |
| friend bool operator==(const ActiveTemplateInstantiation &X, |
| const ActiveTemplateInstantiation &Y) { |
| if (X.Kind != Y.Kind) |
| return false; |
| |
| if (X.Entity != Y.Entity) |
| return false; |
| |
| switch (X.Kind) { |
| case TemplateInstantiation: |
| return true; |
| |
| case PriorTemplateArgumentSubstitution: |
| case DefaultTemplateArgumentChecking: |
| if (X.Template != Y.Template) |
| return false; |
| |
| // Fall through |
| |
| case DefaultTemplateArgumentInstantiation: |
| case ExplicitTemplateArgumentSubstitution: |
| case DeducedTemplateArgumentSubstitution: |
| case DefaultFunctionArgumentInstantiation: |
| return X.TemplateArgs == Y.TemplateArgs; |
| |
| } |
| |
| return true; |
| } |
| |
| friend bool operator!=(const ActiveTemplateInstantiation &X, |
| const ActiveTemplateInstantiation &Y) { |
| return !(X == Y); |
| } |
| }; |
| |
| /// \brief List of active template instantiations. |
| /// |
| /// This vector is treated as a stack. As one template instantiation |
| /// requires another template instantiation, additional |
| /// instantiations are pushed onto the stack up to a |
| /// user-configurable limit LangOptions::InstantiationDepth. |
| SmallVector<ActiveTemplateInstantiation, 16> |
| ActiveTemplateInstantiations; |
| |
| /// \brief Whether we are in a SFINAE context that is not associated with |
| /// template instantiation. |
| /// |
| /// This is used when setting up a SFINAE trap (\c see SFINAETrap) outside |
| /// of a template instantiation or template argument deduction. |
| bool InNonInstantiationSFINAEContext; |
| |
| /// \brief The number of ActiveTemplateInstantiation entries in |
| /// \c ActiveTemplateInstantiations that are not actual instantiations and, |
| /// therefore, should not be counted as part of the instantiation depth. |
| unsigned NonInstantiationEntries; |
| |
| /// \brief The last template from which a template instantiation |
| /// error or warning was produced. |
| /// |
| /// This value is used to suppress printing of redundant template |
| /// instantiation backtraces when there are multiple errors in the |
| /// same instantiation. FIXME: Does this belong in Sema? It's tough |
| /// to implement it anywhere else. |
| ActiveTemplateInstantiation LastTemplateInstantiationErrorContext; |
| |
| /// \brief The current index into pack expansion arguments that will be |
| /// used for substitution of parameter packs. |
| /// |
| /// The pack expansion index will be -1 to indicate that parameter packs |
| /// should be instantiated as themselves. Otherwise, the index specifies |
| /// which argument within the parameter pack will be used for substitution. |
| int ArgumentPackSubstitutionIndex; |
| |
| /// \brief RAII object used to change the argument pack substitution index |
| /// within a \c Sema object. |
| /// |
| /// See \c ArgumentPackSubstitutionIndex for more information. |
| class ArgumentPackSubstitutionIndexRAII { |
| Sema &Self; |
| int OldSubstitutionIndex; |
| |
| public: |
| ArgumentPackSubstitutionIndexRAII(Sema &Self, int NewSubstitutionIndex) |
| : Self(Self), OldSubstitutionIndex(Self.ArgumentPackSubstitutionIndex) { |
| Self.ArgumentPackSubstitutionIndex = NewSubstitutionIndex; |
| } |
| |
| ~ArgumentPackSubstitutionIndexRAII() { |
| Self.ArgumentPackSubstitutionIndex = OldSubstitutionIndex; |
| } |
| }; |
| |
| friend class ArgumentPackSubstitutionRAII; |
| |
| /// \brief The stack of calls expression undergoing template instantiation. |
| /// |
| /// The top of this stack is used by a fixit instantiating unresolved |
| /// function calls to fix the AST to match the textual change it prints. |
| SmallVector<CallExpr *, 8> CallsUndergoingInstantiation; |
| |
| /// \brief For each declaration that involved template argument deduction, the |
| /// set of diagnostics that were suppressed during that template argument |
| /// deduction. |
| /// |
| /// FIXME: Serialize this structure to the AST file. |
| llvm::DenseMap<Decl *, SmallVector<PartialDiagnosticAt, 1> > |
| SuppressedDiagnostics; |
| |
| /// \brief A stack object to be created when performing template |
| /// instantiation. |
| /// |
| /// Construction of an object of type \c InstantiatingTemplate |
| /// pushes the current instantiation onto the stack of active |
| /// instantiations. If the size of this stack exceeds the maximum |
| /// number of recursive template instantiations, construction |
| /// produces an error and evaluates true. |
| /// |
| /// Destruction of this object will pop the named instantiation off |
| /// the stack. |
| struct InstantiatingTemplate { |
| /// \brief Note that we are instantiating a class template, |
| /// function template, or a member thereof. |
| InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, |
| Decl *Entity, |
| SourceRange InstantiationRange = SourceRange()); |
| |
| /// \brief Note that we are instantiating a default argument in a |
| /// template-id. |
| InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, |
| TemplateDecl *Template, |
| const TemplateArgument *TemplateArgs, |
| unsigned NumTemplateArgs, |
| SourceRange InstantiationRange = SourceRange()); |
| |
| /// \brief Note that we are instantiating a default argument in a |
| /// template-id. |
| InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, |
| FunctionTemplateDecl *FunctionTemplate, |
| const TemplateArgument *TemplateArgs, |
| unsigned NumTemplateArgs, |
| ActiveTemplateInstantiation::InstantiationKind Kind, |
| sema::TemplateDeductionInfo &DeductionInfo, |
| SourceRange InstantiationRange = SourceRange()); |
| |
| /// \brief Note that we are instantiating as part of template |
| /// argument deduction for a class template partial |
| /// specialization. |
| InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, |
| ClassTemplatePartialSpecializationDecl *PartialSpec, |
| const TemplateArgument *TemplateArgs, |
| unsigned NumTemplateArgs, |
| sema::TemplateDeductionInfo &DeductionInfo, |
| SourceRange InstantiationRange = SourceRange()); |
| |
| InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, |
| ParmVarDecl *Param, |
| const TemplateArgument *TemplateArgs, |
| unsigned NumTemplateArgs, |
| SourceRange InstantiationRange = SourceRange()); |
| |
| /// \brief Note that we are substituting prior template arguments into a |
| /// non-type or template template parameter. |
| InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, |
| NamedDecl *Template, |
| NonTypeTemplateParmDecl *Param, |
| const TemplateArgument *TemplateArgs, |
| unsigned NumTemplateArgs, |
| SourceRange InstantiationRange); |
| |
| InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, |
| NamedDecl *Template, |
| TemplateTemplateParmDecl *Param, |
| const TemplateArgument *TemplateArgs, |
| unsigned NumTemplateArgs, |
| SourceRange InstantiationRange); |
| |
| /// \brief Note that we are checking the default template argument |
| /// against the template parameter for a given template-id. |
| InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, |
| TemplateDecl *Template, |
| NamedDecl *Param, |
| const TemplateArgument *TemplateArgs, |
| unsigned NumTemplateArgs, |
| SourceRange InstantiationRange); |
| |
| |
| /// \brief Note that we have finished instantiating this template. |
| void Clear(); |
| |
| ~InstantiatingTemplate() { Clear(); } |
| |
| /// \brief Determines whether we have exceeded the maximum |
| /// recursive template instantiations. |
| operator bool() const { return Invalid; } |
| |
| private: |
| Sema &SemaRef; |
| bool Invalid; |
| bool SavedInNonInstantiationSFINAEContext; |
| bool CheckInstantiationDepth(SourceLocation PointOfInstantiation, |
| SourceRange InstantiationRange); |
| |
| InstantiatingTemplate(const InstantiatingTemplate&); // not implemented |
| |
| InstantiatingTemplate& |
| operator=(const InstantiatingTemplate&); // not implemented |
| }; |
| |
| void PrintInstantiationStack(); |
| |
| /// \brief Determines whether we are currently in a context where |
| /// template argument substitution failures are not considered |
| /// errors. |
| /// |
| /// \returns An empty \c llvm::Optional if we're not in a SFINAE context. |
| /// Otherwise, contains a pointer that, if non-NULL, contains the nearest |
| /// template-deduction context object, which can be used to capture |
| /// diagnostics that will be suppressed. |
| llvm::Optional<sema::TemplateDeductionInfo *> isSFINAEContext() const; |
| |
| /// \brief RAII class used to determine whether SFINAE has |
| /// trapped any errors that occur during template argument |
| /// deduction.` |
| class SFINAETrap { |
| Sema &SemaRef; |
| unsigned PrevSFINAEErrors; |
| bool PrevInNonInstantiationSFINAEContext; |
| bool PrevAccessCheckingSFINAE; |
| |
| public: |
| explicit SFINAETrap(Sema &SemaRef, bool AccessCheckingSFINAE = false) |
| : SemaRef(SemaRef), PrevSFINAEErrors(SemaRef.NumSFINAEErrors), |
| PrevInNonInstantiationSFINAEContext( |
| SemaRef.InNonInstantiationSFINAEContext), |
| PrevAccessCheckingSFINAE(SemaRef.AccessCheckingSFINAE) |
| { |
| if (!SemaRef.isSFINAEContext()) |
| SemaRef.InNonInstantiationSFINAEContext = true; |
| SemaRef.AccessCheckingSFINAE = AccessCheckingSFINAE; |
| } |
| |
| ~SFINAETrap() { |
| SemaRef.NumSFINAEErrors = PrevSFINAEErrors; |
| SemaRef.InNonInstantiationSFINAEContext |
| = PrevInNonInstantiationSFINAEContext; |
| SemaRef.AccessCheckingSFINAE = PrevAccessCheckingSFINAE; |
| } |
| |
| /// \brief Determine whether any SFINAE errors have been trapped. |
| bool hasErrorOccurred() const { |
| return SemaRef.NumSFINAEErrors > PrevSFINAEErrors; |
| } |
| }; |
| |
| /// \brief The current instantiation scope used to store local |
| /// variables. |
| LocalInstantiationScope *CurrentInstantiationScope; |
| |
| /// \brief The number of typos corrected by CorrectTypo. |
| unsigned TyposCorrected; |
| |
| typedef llvm::DenseMap<IdentifierInfo *, TypoCorrection> |
| UnqualifiedTyposCorrectedMap; |
| |
| /// \brief A cache containing the results of typo correction for unqualified |
| /// name lookup. |
| /// |
| /// The string is the string that we corrected to (which may be empty, if |
| /// there was no correction), while the boolean will be true when the |
| /// string represents a keyword. |
| UnqualifiedTyposCorrectedMap UnqualifiedTyposCorrected; |
| |
| /// \brief Worker object for performing CFG-based warnings. |
| sema::AnalysisBasedWarnings AnalysisWarnings; |
| |
| /// \brief An entity for which implicit template instantiation is required. |
| /// |
| /// The source location associated with the declaration is the first place in |
| /// the source code where the declaration was "used". It is not necessarily |
| /// the point of instantiation (which will be either before or after the |
| /// namespace-scope declaration that triggered this implicit instantiation), |
| /// However, it is the location that diagnostics should generally refer to, |
| /// because users will need to know what code triggered the instantiation. |
| typedef std::pair<ValueDecl *, SourceLocation> PendingImplicitInstantiation; |
| |
| /// \brief The queue of implicit template instantiations that are required |
| /// but have not yet been performed. |
| std::deque<PendingImplicitInstantiation> PendingInstantiations; |
| |
| /// \brief The queue of implicit template instantiations that are required |
| /// and must be performed within the current local scope. |
| /// |
| /// This queue is only used for member functions of local classes in |
| /// templates, which must be instantiated in the same scope as their |
| /// enclosing function, so that they can reference function-local |
| /// types, static variables, enumerators, etc. |
| std::deque<PendingImplicitInstantiation> PendingLocalImplicitInstantiations; |
| |
| void PerformPendingInstantiations(bool LocalOnly = false); |
| |
| TypeSourceInfo *SubstType(TypeSourceInfo *T, |
| const MultiLevelTemplateArgumentList &TemplateArgs, |
| SourceLocation Loc, DeclarationName Entity); |
| |
| QualType SubstType(QualType T, |
| const MultiLevelTemplateArgumentList &TemplateArgs, |
| SourceLocation Loc, DeclarationName Entity); |
| |
| TypeSourceInfo *SubstType(TypeLoc TL, |
| const MultiLevelTemplateArgumentList &TemplateArgs, |
| SourceLocation Loc, DeclarationName Entity); |
| |
| TypeSourceInfo *SubstFunctionDeclType(TypeSourceInfo *T, |
| const MultiLevelTemplateArgumentList &TemplateArgs, |
| SourceLocation Loc, |
| DeclarationName Entity); |
| ParmVarDecl *SubstParmVarDecl(ParmVarDecl *D, |
| const MultiLevelTemplateArgumentList &TemplateArgs, |
| int indexAdjustment, |
| llvm::Optional<unsigned> NumExpansions); |
| bool SubstParmTypes(SourceLocation Loc, |
| ParmVarDecl **Params, unsigned NumParams, |
| const MultiLevelTemplateArgumentList &TemplateArgs, |
| SmallVectorImpl<QualType> &ParamTypes, |
| SmallVectorImpl<ParmVarDecl *> *OutParams = 0); |
| ExprResult SubstExpr(Expr *E, |
| const MultiLevelTemplateArgumentList &TemplateArgs); |
| |
| /// \brief Substitute the given template arguments into a list of |
| /// expressions, expanding pack expansions if required. |
| /// |
| /// \param Exprs The list of expressions to substitute into. |
| /// |
| /// \param NumExprs The number of expressions in \p Exprs. |
| /// |
| /// \param IsCall Whether this is some form of call, in which case |
| /// default arguments will be dropped. |
| /// |
| /// \param TemplateArgs The set of template arguments to substitute. |
| /// |
| /// \param Outputs Will receive all of the substituted arguments. |
| /// |
| /// \returns true if an error occurred, false otherwise. |
| bool SubstExprs(Expr **Exprs, unsigned NumExprs, bool IsCall, |
| const MultiLevelTemplateArgumentList &TemplateArgs, |
| SmallVectorImpl<Expr *> &Outputs); |
| |
| StmtResult SubstStmt(Stmt *S, |
| const MultiLevelTemplateArgumentList &TemplateArgs); |
| |
| Decl *SubstDecl(Decl *D, DeclContext *Owner, |
| const MultiLevelTemplateArgumentList &TemplateArgs); |
| |
| bool |
| SubstBaseSpecifiers(CXXRecordDecl *Instantiation, |
| CXXRecordDecl *Pattern, |
| const MultiLevelTemplateArgumentList &TemplateArgs); |
| |
| bool |
| InstantiateClass(SourceLocation PointOfInstantiation, |
| CXXRecordDecl *Instantiation, CXXRecordDecl *Pattern, |
| const MultiLevelTemplateArgumentList &TemplateArgs, |
| TemplateSpecializationKind TSK, |
| bool Complain = true); |
| |
| void InstantiateAttrs(const MultiLevelTemplateArgumentList &TemplateArgs, |
| const Decl *Pattern, Decl *Inst); |
| |
| bool |
| InstantiateClassTemplateSpecialization(SourceLocation PointOfInstantiation, |
| ClassTemplateSpecializationDecl *ClassTemplateSpec, |
| TemplateSpecializationKind TSK, |
| bool Complain = true); |
| |
| void InstantiateClassMembers(SourceLocation PointOfInstantiation, |
| CXXRecordDecl *Instantiation, |
| const MultiLevelTemplateArgumentList &TemplateArgs, |
| TemplateSpecializationKind TSK); |
| |
| void InstantiateClassTemplateSpecializationMembers( |
| SourceLocation PointOfInstantiation, |
| ClassTemplateSpecializationDecl *ClassTemplateSpec, |
| TemplateSpecializationKind TSK); |
| |
| NestedNameSpecifierLoc |
| SubstNestedNameSpecifierLoc(NestedNameSpecifierLoc NNS, |
| const MultiLevelTemplateArgumentList &TemplateArgs); |
| |
| DeclarationNameInfo |
| SubstDeclarationNameInfo(const DeclarationNameInfo &NameInfo, |
| const MultiLevelTemplateArgumentList &TemplateArgs); |
| TemplateName |
| SubstTemplateName(NestedNameSpecifierLoc QualifierLoc, TemplateName Name, |
| SourceLocation Loc, |
| const MultiLevelTemplateArgumentList &TemplateArgs); |
| bool Subst(const TemplateArgumentLoc *Args, unsigned NumArgs, |
| TemplateArgumentListInfo &Result, |
| const MultiLevelTemplateArgumentList &TemplateArgs); |
| |
| void InstantiateFunctionDefinition(SourceLocation PointOfInstantiation, |
| FunctionDecl *Function, |
| bool Recursive = false, |
| bool DefinitionRequired = false); |
| void InstantiateStaticDataMemberDefinition( |
| SourceLocation PointOfInstantiation, |
| VarDecl *Var, |
| bool Recursive = false, |
| bool DefinitionRequired = false); |
| |
| void InstantiateMemInitializers(CXXConstructorDecl *New, |
| const CXXConstructorDecl *Tmpl, |
| const MultiLevelTemplateArgumentList &TemplateArgs); |
| bool InstantiateInitializer(Expr *Init, |
| const MultiLevelTemplateArgumentList &TemplateArgs, |
| SourceLocation &LParenLoc, |
| ASTOwningVector<Expr*> &NewArgs, |
| SourceLocation &RParenLoc); |
| |
| NamedDecl *FindInstantiatedDecl(SourceLocation Loc, NamedDecl *D, |
| const MultiLevelTemplateArgumentList &TemplateArgs); |
| DeclContext *FindInstantiatedContext(SourceLocation Loc, DeclContext *DC, |
| const MultiLevelTemplateArgumentList &TemplateArgs); |
| |
| // Objective-C declarations. |
| Decl *ActOnStartClassInterface(SourceLocation AtInterfaceLoc, |
| IdentifierInfo *ClassName, |
| SourceLocation ClassLoc, |
| IdentifierInfo *SuperName, |
| SourceLocation SuperLoc, |
| Decl * const *ProtoRefs, |
| unsigned NumProtoRefs, |
| const SourceLocation *ProtoLocs, |
| SourceLocation EndProtoLoc, |
| AttributeList *AttrList); |
| |
| Decl *ActOnCompatiblityAlias( |
| SourceLocation AtCompatibilityAliasLoc, |
| IdentifierInfo *AliasName, SourceLocation AliasLocation, |
| IdentifierInfo *ClassName, SourceLocation ClassLocation); |
| |
| bool CheckForwardProtocolDeclarationForCircularDependency( |
| IdentifierInfo *PName, |
| SourceLocation &PLoc, SourceLocation PrevLoc, |
| const ObjCList<ObjCProtocolDecl> &PList); |
| |
| Decl *ActOnStartProtocolInterface( |
| SourceLocation AtProtoInterfaceLoc, |
| IdentifierInfo *ProtocolName, SourceLocation ProtocolLoc, |
| Decl * const *ProtoRefNames, unsigned NumProtoRefs, |
| const SourceLocation *ProtoLocs, |
| SourceLocation EndProtoLoc, |
| AttributeList *AttrList); |
| |
| Decl *ActOnStartCategoryInterface(SourceLocation AtInterfaceLoc, |
| IdentifierInfo *ClassName, |
| SourceLocation ClassLoc, |
| IdentifierInfo *CategoryName, |
| SourceLocation CategoryLoc, |
| Decl * const *ProtoRefs, |
| unsigned NumProtoRefs, |
| const SourceLocation *ProtoLocs, |
| SourceLocation EndProtoLoc); |
| |
| Decl *ActOnStartClassImplementation( |
| SourceLocation AtClassImplLoc, |
| IdentifierInfo *ClassName, SourceLocation ClassLoc, |
| IdentifierInfo *SuperClassname, |
| SourceLocation SuperClassLoc); |
| |
| Decl *ActOnStartCategoryImplementation(SourceLocation AtCatImplLoc, |
| IdentifierInfo *ClassName, |
| SourceLocation ClassLoc, |
| IdentifierInfo *CatName, |
| SourceLocation CatLoc); |
| |
| DeclGroupPtrTy ActOnForwardClassDeclaration(SourceLocation Loc, |
| IdentifierInfo **IdentList, |
| SourceLocation *IdentLocs, |
| unsigned NumElts); |
| |
| Decl *ActOnForwardProtocolDeclaration(SourceLocation AtProtoclLoc, |
| const IdentifierLocPair *IdentList, |
| unsigned NumElts, |
| AttributeList *attrList); |
| |
| void FindProtocolDeclaration(bool WarnOnDeclarations, |
| const IdentifierLocPair *ProtocolId, |
| unsigned NumProtocols, |
| SmallVectorImpl<Decl *> &Protocols); |
| |
| /// Ensure attributes are consistent with type. |
| /// \param [in, out] Attributes The attributes to check; they will |
| /// be modified to be consistent with \arg PropertyTy. |
| void CheckObjCPropertyAttributes(Decl *PropertyPtrTy, |
| SourceLocation Loc, |
| unsigned &Attributes); |
| |
| /// Process the specified property declaration and create decls for the |
| /// setters and getters as needed. |
| /// \param property The property declaration being processed |
| /// \param DC The semantic container for the property |
| /// \param redeclaredProperty Declaration for property if redeclared |
| /// in class extension. |
| /// \param lexicalDC Container for redeclaredProperty. |
| void ProcessPropertyDecl(ObjCPropertyDecl *property, |
| ObjCContainerDecl *DC, |
| ObjCPropertyDecl *redeclaredProperty = 0, |
| ObjCContainerDecl *lexicalDC = 0); |
| |
| void DiagnosePropertyMismatch(ObjCPropertyDecl *Property, |
| ObjCPropertyDecl *SuperProperty, |
| const IdentifierInfo *Name); |
| void ComparePropertiesInBaseAndSuper(ObjCInterfaceDecl *IDecl); |
| |
| void CompareMethodParamsInBaseAndSuper(Decl *IDecl, |
| ObjCMethodDecl *MethodDecl, |
| bool IsInstance); |
| |
| void CompareProperties(Decl *CDecl, Decl *MergeProtocols); |
| |
| void DiagnoseClassExtensionDupMethods(ObjCCategoryDecl *CAT, |
| ObjCInterfaceDecl *ID); |
| |
| void MatchOneProtocolPropertiesInClass(Decl *CDecl, |
| ObjCProtocolDecl *PDecl); |
| |
| void ActOnAtEnd(Scope *S, SourceRange AtEnd, |
| Decl **allMethods = 0, unsigned allNum = 0, |
| Decl **allProperties = 0, unsigned pNum = 0, |
| DeclGroupPtrTy *allTUVars = 0, unsigned tuvNum = 0); |
| |
| Decl *ActOnProperty(Scope *S, SourceLocation AtLoc, |
| FieldDeclarator &FD, ObjCDeclSpec &ODS, |
| Selector GetterSel, Selector SetterSel, |
| bool *OverridingProperty, |
| tok::ObjCKeywordKind MethodImplKind, |
| DeclContext *lexicalDC = 0); |
| |
| Decl *ActOnPropertyImplDecl(Scope *S, |
| SourceLocation AtLoc, |
| SourceLocation PropertyLoc, |
| bool ImplKind, |
| IdentifierInfo *PropertyId, |
| IdentifierInfo *PropertyIvar, |
| SourceLocation PropertyIvarLoc); |
| |
| enum ObjCSpecialMethodKind { |
| OSMK_None, |
| OSMK_Alloc, |
| OSMK_New, |
| OSMK_Copy, |
| OSMK_RetainingInit, |
| OSMK_NonRetainingInit |
| }; |
| |
| struct ObjCArgInfo { |
| IdentifierInfo *Name; |
| SourceLocation NameLoc; |
| // The Type is null if no type was specified, and the DeclSpec is invalid |
| // in this case. |
| ParsedType Type; |
| ObjCDeclSpec DeclSpec; |
| |
| /// ArgAttrs - Attribute list for this argument. |
| AttributeList *ArgAttrs; |
| }; |
| |
| Decl *ActOnMethodDeclaration( |
| Scope *S, |
| SourceLocation BeginLoc, // location of the + or -. |
| SourceLocation EndLoc, // location of the ; or {. |
| tok::TokenKind MethodType, |
| ObjCDeclSpec &ReturnQT, ParsedType ReturnType, |
| ArrayRef<SourceLocation> SelectorLocs, Selector Sel, |
| // optional arguments. The number of types/arguments is obtained |
| // from the Sel.getNumArgs(). |
| ObjCArgInfo *ArgInfo, |
| DeclaratorChunk::ParamInfo *CParamInfo, unsigned CNumArgs, // c-style args |
| AttributeList *AttrList, tok::ObjCKeywordKind MethodImplKind, |
| bool isVariadic, bool MethodDefinition); |
| |
| // Helper method for ActOnClassMethod/ActOnInstanceMethod. |
| // Will search "local" class/category implementations for a method decl. |
| // Will also search in class's root looking for instance method. |
| // Returns 0 if no method is found. |
| ObjCMethodDecl *LookupPrivateClassMethod(Selector Sel, |
| ObjCInterfaceDecl *CDecl); |
| ObjCMethodDecl *LookupPrivateInstanceMethod(Selector Sel, |
| ObjCInterfaceDecl *ClassDecl); |
| ObjCMethodDecl *LookupMethodInQualifiedType(Selector Sel, |
| const ObjCObjectPointerType *OPT, |
| bool IsInstance); |
| |
| bool inferObjCARCLifetime(ValueDecl *decl); |
| |
| ExprResult |
| HandleExprPropertyRefExpr(const ObjCObjectPointerType *OPT, |
| Expr *BaseExpr, |
| SourceLocation OpLoc, |
| DeclarationName MemberName, |
| SourceLocation MemberLoc, |
| SourceLocation SuperLoc, QualType SuperType, |
| bool Super); |
| |
| ExprResult |
| ActOnClassPropertyRefExpr(IdentifierInfo &receiverName, |
| IdentifierInfo &propertyName, |
| SourceLocation receiverNameLoc, |
| SourceLocation propertyNameLoc); |
| |
| ObjCMethodDecl *tryCaptureObjCSelf(); |
| |
| /// \brief Describes the kind of message expression indicated by a message |
| /// send that starts with an identifier. |
| enum ObjCMessageKind { |
| /// \brief The message is sent to 'super'. |
| ObjCSuperMessage, |
| /// \brief The message is an instance message. |
| ObjCInstanceMessage, |
| /// \brief The message is a class message, and the identifier is a type |
| /// name. |
| ObjCClassMessage |
| }; |
| |
| ObjCMessageKind getObjCMessageKind(Scope *S, |
| IdentifierInfo *Name, |
| SourceLocation NameLoc, |
| bool IsSuper, |
| bool HasTrailingDot, |
| ParsedType &ReceiverType); |
| |
| ExprResult ActOnSuperMessage(Scope *S, SourceLocation SuperLoc, |
| Selector Sel, |
| SourceLocation LBracLoc, |
| ArrayRef<SourceLocation> SelectorLocs, |
| SourceLocation RBracLoc, |
| MultiExprArg Args); |
| |
| ExprResult BuildClassMessage(TypeSourceInfo *ReceiverTypeInfo, |
| QualType ReceiverType, |
| SourceLocation SuperLoc, |
| Selector Sel, |
| ObjCMethodDecl *Method, |
| SourceLocation LBracLoc, |
| ArrayRef<SourceLocation> SelectorLocs, |
| SourceLocation RBracLoc, |
| MultiExprArg Args); |
| |
| ExprResult ActOnClassMessage(Scope *S, |
| ParsedType Receiver, |
| Selector Sel, |
| SourceLocation LBracLoc, |
| ArrayRef<SourceLocation> SelectorLocs, |
| SourceLocation RBracLoc, |
| MultiExprArg Args); |
| |
| ExprResult BuildInstanceMessage(Expr *Receiver, |
| QualType ReceiverType, |
| SourceLocation SuperLoc, |
| Selector Sel, |
| ObjCMethodDecl *Method, |
| SourceLocation LBracLoc, |
| ArrayRef<SourceLocation> SelectorLocs, |
| SourceLocation RBracLoc, |
| MultiExprArg Args); |
| |
| ExprResult ActOnInstanceMessage(Scope *S, |
| Expr *Receiver, |
| Selector Sel, |
| SourceLocation LBracLoc, |
| ArrayRef<SourceLocation> SelectorLocs, |
| SourceLocation RBracLoc, |
| MultiExprArg Args); |
| |
| ExprResult BuildObjCBridgedCast(SourceLocation LParenLoc, |
| ObjCBridgeCastKind Kind, |
| SourceLocation BridgeKeywordLoc, |
| TypeSourceInfo *TSInfo, |
| Expr *SubExpr); |
| |
| ExprResult ActOnObjCBridgedCast(Scope *S, |
| SourceLocation LParenLoc, |
| ObjCBridgeCastKind Kind, |
| SourceLocation BridgeKeywordLoc, |
| ParsedType Type, |
| SourceLocation RParenLoc, |
| Expr *SubExpr); |
| |
| bool checkInitMethod(ObjCMethodDecl *method, QualType receiverTypeIfCall); |
| |
| /// \brief Check whether the given new method is a valid override of the |
| /// given overridden method, and set any properties that should be inherited. |
| void CheckObjCMethodOverride(ObjCMethodDecl *NewMethod, |
| const ObjCMethodDecl *Overridden, |
| bool IsImplementation); |
| |
| /// \brief Check whether the given method overrides any methods in its class, |
| /// calling \c CheckObjCMethodOverride for each overridden method. |
| bool CheckObjCMethodOverrides(ObjCMethodDecl *NewMethod, DeclContext *DC); |
| |
| enum PragmaOptionsAlignKind { |
| POAK_Native, // #pragma options align=native |
| POAK_Natural, // #pragma options align=natural |
| POAK_Packed, // #pragma options align=packed |
| POAK_Power, // #pragma options align=power |
| POAK_Mac68k, // #pragma options align=mac68k |
| POAK_Reset // #pragma options align=reset |
| }; |
| |
| /// ActOnPragmaOptionsAlign - Called on well formed #pragma options align. |
| void ActOnPragmaOptionsAlign(PragmaOptionsAlignKind Kind, |
| SourceLocation PragmaLoc, |
| SourceLocation KindLoc); |
| |
| enum PragmaPackKind { |
| PPK_Default, // #pragma pack([n]) |
| PPK_Show, // #pragma pack(show), only supported by MSVC. |
| PPK_Push, // #pragma pack(push, [identifier], [n]) |
| PPK_Pop // #pragma pack(pop, [identifier], [n]) |
| }; |
| |
| enum PragmaMSStructKind { |
| PMSST_OFF, // #pragms ms_struct off |
| PMSST_ON // #pragms ms_struct on |
| }; |
| |
| /// ActOnPragmaPack - Called on well formed #pragma pack(...). |
| void ActOnPragmaPack(PragmaPackKind Kind, |
| IdentifierInfo *Name, |
| Expr *Alignment, |
| SourceLocation PragmaLoc, |
| SourceLocation LParenLoc, |
| SourceLocation RParenLoc); |
| |
| /// ActOnPragmaMSStruct - Called on well formed #pragms ms_struct [on|off]. |
| void ActOnPragmaMSStruct(PragmaMSStructKind Kind); |
| |
| /// ActOnPragmaUnused - Called on well-formed '#pragma unused'. |
| void ActOnPragmaUnused(const Token &Identifier, |
| Scope *curScope, |
| SourceLocation PragmaLoc); |
| |
| /// ActOnPragmaVisibility - Called on well formed #pragma GCC visibility... . |
| void ActOnPragmaVisibility(bool IsPush, const IdentifierInfo* VisType, |
| SourceLocation PragmaLoc); |
| |
| NamedDecl *DeclClonePragmaWeak(NamedDecl *ND, IdentifierInfo *II, |
| SourceLocation Loc); |
| void DeclApplyPragmaWeak(Scope *S, NamedDecl *ND, WeakInfo &W); |
| |
| /// ActOnPragmaWeakID - Called on well formed #pragma weak ident. |
| void ActOnPragmaWeakID(IdentifierInfo* WeakName, |
| SourceLocation PragmaLoc, |
| SourceLocation WeakNameLoc); |
| |
| /// ActOnPragmaWeakAlias - Called on well formed #pragma weak ident = ident. |
| void ActOnPragmaWeakAlias(IdentifierInfo* WeakName, |
| IdentifierInfo* AliasName, |
| SourceLocation PragmaLoc, |
| SourceLocation WeakNameLoc, |
| SourceLocation AliasNameLoc); |
| |
| /// ActOnPragmaFPContract - Called on well formed |
| /// #pragma {STDC,OPENCL} FP_CONTRACT |
| void ActOnPragmaFPContract(tok::OnOffSwitch OOS); |
| |
| /// AddAlignmentAttributesForRecord - Adds any needed alignment attributes to |
| /// a the record decl, to handle '#pragma pack' and '#pragma options align'. |
| void AddAlignmentAttributesForRecord(RecordDecl *RD); |
| |
| /// AddMsStructLayoutForRecord - Adds ms_struct layout attribute to record. |
| void AddMsStructLayoutForRecord(RecordDecl *RD); |
| |
| /// FreePackedContext - Deallocate and null out PackContext. |
| void FreePackedContext(); |
| |
| /// PushNamespaceVisibilityAttr - Note that we've entered a |
| /// namespace with a visibility attribute. |
| void PushNamespaceVisibilityAttr(const VisibilityAttr *Attr); |
| |
| /// AddPushedVisibilityAttribute - If '#pragma GCC visibility' was used, |
| /// add an appropriate visibility attribute. |
| void AddPushedVisibilityAttribute(Decl *RD); |
| |
| /// PopPragmaVisibility - Pop the top element of the visibility stack; used |
| /// for '#pragma GCC visibility' and visibility attributes on namespaces. |
| void PopPragmaVisibility(); |
| |
| /// FreeVisContext - Deallocate and null out VisContext. |
| void FreeVisContext(); |
| |
| /// AddCFAuditedAttribute - Check whether we're currently within |
| /// '#pragma clang arc_cf_code_audited' and, if so, consider adding |
| /// the appropriate attribute. |
| void AddCFAuditedAttribute(Decl *D); |
| |
| /// AddAlignedAttr - Adds an aligned attribute to a particular declaration. |
| void AddAlignedAttr(SourceRange AttrRange, Decl *D, Expr *E); |
| void AddAlignedAttr(SourceRange AttrRange, Decl *D, TypeSourceInfo *T); |
| |
| /// \brief The kind of conversion being performed. |
| enum CheckedConversionKind { |
| /// \brief An implicit conversion. |
| CCK_ImplicitConversion, |
| /// \brief A C-style cast. |
| CCK_CStyleCast, |
| /// \brief A functional-style cast. |
| CCK_FunctionalCast, |
| /// \brief A cast other than a C-style cast. |
| CCK_OtherCast |
| }; |
| |
| /// ImpCastExprToType - If Expr is not of type 'Type', insert an implicit |
| /// cast. If there is already an implicit cast, merge into the existing one. |
| /// If isLvalue, the result of the cast is an lvalue. |
| ExprResult ImpCastExprToType(Expr *E, QualType Type, CastKind CK, |
| ExprValueKind VK = VK_RValue, |
| const CXXCastPath *BasePath = 0, |
| CheckedConversionKind CCK |
| = CCK_ImplicitConversion); |
| |
| /// ScalarTypeToBooleanCastKind - Returns the cast kind corresponding |
| /// to the conversion from scalar type ScalarTy to the Boolean type. |
| static CastKind ScalarTypeToBooleanCastKind(QualType ScalarTy); |
| |
| /// IgnoredValueConversions - Given that an expression's result is |
| /// syntactically ignored, perform any conversions that are |
| /// required. |
| ExprResult IgnoredValueConversions(Expr *E); |
| |
| // UsualUnaryConversions - promotes integers (C99 6.3.1.1p2) and converts |
| // functions and arrays to their respective pointers (C99 6.3.2.1). |
| ExprResult UsualUnaryConversions(Expr *E); |
| |
| // DefaultFunctionArrayConversion - converts functions and arrays |
| // to their respective pointers (C99 6.3.2.1). |
| ExprResult DefaultFunctionArrayConversion(Expr *E); |
| |
| // DefaultFunctionArrayLvalueConversion - converts functions and |
| // arrays to their respective pointers and performs the |
| // lvalue-to-rvalue conversion. |
| ExprResult DefaultFunctionArrayLvalueConversion(Expr *E); |
| |
| // DefaultLvalueConversion - performs lvalue-to-rvalue conversion on |
| // the operand. This is DefaultFunctionArrayLvalueConversion, |
| // except that it assumes the operand isn't of function or array |
| // type. |
| ExprResult DefaultLvalueConversion(Expr *E); |
| |
| // DefaultArgumentPromotion (C99 6.5.2.2p6). Used for function calls that |
| // do not have a prototype. Integer promotions are performed on each |
| // argument, and arguments that have type float are promoted to double. |
| ExprResult DefaultArgumentPromotion(Expr *E); |
| |
| // Used for emitting the right warning by DefaultVariadicArgumentPromotion |
| enum VariadicCallType { |
| VariadicFunction, |
| VariadicBlock, |
| VariadicMethod, |
| VariadicConstructor, |
| VariadicDoesNotApply |
| }; |
| |
| /// GatherArgumentsForCall - Collector argument expressions for various |
| /// form of call prototypes. |
| bool GatherArgumentsForCall(SourceLocation CallLoc, |
| FunctionDecl *FDecl, |
| const FunctionProtoType *Proto, |
| unsigned FirstProtoArg, |
| Expr **Args, unsigned NumArgs, |
| SmallVector<Expr *, 8> &AllArgs, |
| VariadicCallType CallType = VariadicDoesNotApply); |
| |
| // DefaultVariadicArgumentPromotion - Like DefaultArgumentPromotion, but |
| // will warn if the resulting type is not a POD type. |
| ExprResult DefaultVariadicArgumentPromotion(Expr *E, VariadicCallType CT, |
| FunctionDecl *FDecl); |
| |
| // UsualArithmeticConversions - performs the UsualUnaryConversions on it's |
| // operands and then handles various conversions that are common to binary |
| // operators (C99 6.3.1.8). If both operands aren't arithmetic, this |
| // routine returns the first non-arithmetic type found. The client is |
| // responsible for emitting appropriate error diagnostics. |
| QualType UsualArithmeticConversions(ExprResult &LHS, ExprResult &RHS, |
| bool IsCompAssign = false); |
| |
| /// AssignConvertType - All of the 'assignment' semantic checks return this |
| /// enum to indicate whether the assignment was allowed. These checks are |
| /// done for simple assignments, as well as initialization, return from |
| /// function, argument passing, etc. The query is phrased in terms of a |
| /// source and destination type. |
| enum AssignConvertType { |
| /// Compatible - the types are compatible according to the standard. |
| Compatible, |
| |
| /// PointerToInt - The assignment converts a pointer to an int, which we |
| /// accept as an extension. |
| PointerToInt, |
| |
| /// IntToPointer - The assignment converts an int to a pointer, which we |
| /// accept as an extension. |
| IntToPointer, |
| |
| /// FunctionVoidPointer - The assignment is between a function pointer and |
| /// void*, which the standard doesn't allow, but we accept as an extension. |
| FunctionVoidPointer, |
| |
| /// IncompatiblePointer - The assignment is between two pointers types that |
| /// are not compatible, but we accept them as an extension. |
| IncompatiblePointer, |
| |
| /// IncompatiblePointer - The assignment is between two pointers types which |
| /// point to integers which have a different sign, but are otherwise identical. |
| /// This is a subset of the above, but broken out because it's by far the most |
| /// common case of incompatible pointers. |
| IncompatiblePointerSign, |
| |
| /// CompatiblePointerDiscardsQualifiers - The assignment discards |
| /// c/v/r qualifiers, which we accept as an extension. |
| CompatiblePointerDiscardsQualifiers, |
| |
| /// IncompatiblePointerDiscardsQualifiers - The assignment |
| /// discards qualifiers that we don't permit to be discarded, |
| /// like address spaces. |
| IncompatiblePointerDiscardsQualifiers, |
| |
| /// IncompatibleNestedPointerQualifiers - The assignment is between two |
| /// nested pointer types, and the qualifiers other than the first two |
| /// levels differ e.g. char ** -> const char **, but we accept them as an |
| /// extension. |
| IncompatibleNestedPointerQualifiers, |
| |
| /// IncompatibleVectors - The assignment is between two vector types that |
| /// have the same size, which we accept as an extension. |
| IncompatibleVectors, |
| |
| /// IntToBlockPointer - The assignment converts an int to a block |
| /// pointer. We disallow this. |
| IntToBlockPointer, |
| |
| /// IncompatibleBlockPointer - The assignment is between two block |
| /// pointers types that are not compatible. |
| IncompatibleBlockPointer, |
| |
| /// IncompatibleObjCQualifiedId - The assignment is between a qualified |
| /// id type and something else (that is incompatible with it). For example, |
| /// "id <XXX>" = "Foo *", where "Foo *" doesn't implement the XXX protocol. |
| IncompatibleObjCQualifiedId, |
| |
| /// IncompatibleObjCWeakRef - Assigning a weak-unavailable object to an |
| /// object with __weak qualifier. |
| IncompatibleObjCWeakRef, |
| |
| /// Incompatible - We reject this conversion outright, it is invalid to |
| /// represent it in the AST. |
| Incompatible |
| }; |
| |
| /// DiagnoseAssignmentResult - Emit a diagnostic, if required, for the |
| /// assignment conversion type specified by ConvTy. This returns true if the |
| /// conversion was invalid or false if the conversion was accepted. |
| bool DiagnoseAssignmentResult(AssignConvertType ConvTy, |
| SourceLocation Loc, |
| QualType DstType, QualType SrcType, |
| Expr *SrcExpr, AssignmentAction Action, |
| bool *Complained = 0); |
| |
| /// CheckAssignmentConstraints - Perform type checking for assignment, |
| /// argument passing, variable initialization, and function return values. |
| /// C99 6.5.16. |
| AssignConvertType CheckAssignmentConstraints(SourceLocation Loc, |
| QualType LHSType, |
| QualType RHSType); |
| |
| /// Check assignment constraints and prepare for a conversion of the |
| /// RHS to the LHS type. |
| AssignConvertType CheckAssignmentConstraints(QualType LHSType, |
| ExprResult &RHS, |
| CastKind &Kind); |
| |
| // CheckSingleAssignmentConstraints - Currently used by |
| // CheckAssignmentOperands, and ActOnReturnStmt. Prior to type checking, |
| // this routine performs the default function/array converions. |
| AssignConvertType CheckSingleAssignmentConstraints(QualType LHSType, |
| ExprResult &RHS, |
| bool Diagnose = true); |
| |
| // \brief If the lhs type is a transparent union, check whether we |
| // can initialize the transparent union with the given expression. |
| AssignConvertType CheckTransparentUnionArgumentConstraints(QualType ArgType, |
| ExprResult &RHS); |
| |
| bool IsStringLiteralToNonConstPointerConversion(Expr *From, QualType ToType); |
| |
| bool CheckExceptionSpecCompatibility(Expr *From, QualType ToType); |
| |
| ExprResult PerformImplicitConversion(Expr *From, QualType ToType, |
| AssignmentAction Action, |
| bool AllowExplicit = false, |
| bool Diagnose = true); |
| ExprResult PerformImplicitConversion(Expr *From, QualType ToType, |
| AssignmentAction Action, |
| bool AllowExplicit, |
| ImplicitConversionSequence& ICS, |
| bool Diagnose = true); |
| ExprResult PerformImplicitConversion(Expr *From, QualType ToType, |
| const ImplicitConversionSequence& ICS, |
| AssignmentAction Action, |
| CheckedConversionKind CCK |
| = CCK_ImplicitConversion); |
| ExprResult PerformImplicitConversion(Expr *From, QualType ToType, |
| const StandardConversionSequence& SCS, |
| AssignmentAction Action, |
| CheckedConversionKind CCK); |
| |
| /// the following "Check" methods will return a valid/converted QualType |
| /// or a null QualType (indicating an error diagnostic was issued). |
| |
| /// type checking binary operators (subroutines of CreateBuiltinBinOp). |
| QualType InvalidOperands(SourceLocation Loc, ExprResult &LHS, |
| ExprResult &RHS); |
| QualType CheckPointerToMemberOperands( // C++ 5.5 |
| ExprResult &LHS, ExprResult &RHS, ExprValueKind &VK, |
| SourceLocation OpLoc, bool isIndirect); |
| QualType CheckMultiplyDivideOperands( // C99 6.5.5 |
| ExprResult &LHS, ExprResult &RHS, SourceLocation Loc, bool IsCompAssign, |
| bool IsDivide); |
| QualType CheckRemainderOperands( // C99 6.5.5 |
| ExprResult &LHS, ExprResult &RHS, SourceLocation Loc, |
| bool IsCompAssign = false); |
| QualType CheckAdditionOperands( // C99 6.5.6 |
| ExprResult &LHS, ExprResult &RHS, SourceLocation Loc, |
| QualType* CompLHSTy = 0); |
| QualType CheckSubtractionOperands( // C99 6.5.6 |
| ExprResult &LHS, ExprResult &RHS, SourceLocation Loc, |
| QualType* CompLHSTy = 0); |
| QualType CheckShiftOperands( // C99 6.5.7 |
| ExprResult &LHS, ExprResult &RHS, SourceLocation Loc, unsigned Opc, |
| bool IsCompAssign = false); |
| QualType CheckCompareOperands( // C99 6.5.8/9 |
| ExprResult &LHS, ExprResult &RHS, SourceLocation Loc, unsigned OpaqueOpc, |
| bool isRelational); |
| QualType CheckBitwiseOperands( // C99 6.5.[10...12] |
| ExprResult &LHS, ExprResult &RHS, SourceLocation Loc, |
| bool IsCompAssign = false); |
| QualType CheckLogicalOperands( // C99 6.5.[13,14] |
| ExprResult &LHS, ExprResult &RHS, SourceLocation Loc, unsigned Opc); |
| // CheckAssignmentOperands is used for both simple and compound assignment. |
| // For simple assignment, pass both expressions and a null converted type. |
| // For compound assignment, pass both expressions and the converted type. |
| QualType CheckAssignmentOperands( // C99 6.5.16.[1,2] |
| Expr *LHSExpr, ExprResult &RHS, SourceLocation Loc, QualType CompoundType); |
| |
| void ConvertPropertyForLValue(ExprResult &LHS, ExprResult &RHS, |
| QualType& LHSTy); |
| ExprResult ConvertPropertyForRValue(Expr *E); |
| |
| QualType CheckConditionalOperands( // C99 6.5.15 |
| ExprResult &Cond, ExprResult &LHS, ExprResult &RHS, |
| ExprValueKind &VK, ExprObjectKind &OK, SourceLocation QuestionLoc); |
| QualType CXXCheckConditionalOperands( // C++ 5.16 |
| ExprResult &cond, ExprResult &lhs, ExprResult &rhs, |
| ExprValueKind &VK, ExprObjectKind &OK, SourceLocation questionLoc); |
| QualType FindCompositePointerType(SourceLocation Loc, Expr *&E1, Expr *&E2, |
| bool *NonStandardCompositeType = 0); |
| QualType FindCompositePointerType(SourceLocation Loc, ExprResult &E1, ExprResult &E2, |
| bool *NonStandardCompositeType = 0) { |
| Expr *E1Tmp = E1.take(), *E2Tmp = E2.take(); |
| QualType Composite = FindCompositePointerType(Loc, E1Tmp, E2Tmp, NonStandardCompositeType); |
| E1 = Owned(E1Tmp); |
| E2 = Owned(E2Tmp); |
| return Composite; |
| } |
| |
| QualType FindCompositeObjCPointerType(ExprResult &LHS, ExprResult &RHS, |
| SourceLocation QuestionLoc); |
| |
| bool DiagnoseConditionalForNull(Expr *LHSExpr, Expr *RHSExpr, |
| SourceLocation QuestionLoc); |
| |
| /// type checking for vector binary operators. |
| QualType CheckVectorOperands(ExprResult &LHS, ExprResult &RHS, |
| SourceLocation Loc, bool IsCompAssign); |
| QualType CheckVectorCompareOperands(ExprResult &LHS, ExprResult &RHS, |
| SourceLocation Loc, bool isRelational); |
| |
| /// type checking declaration initializers (C99 6.7.8) |
| bool CheckForConstantInitializer(Expr *e, QualType t); |
| |
| // type checking C++ declaration initializers (C++ [dcl.init]). |
| |
| /// ReferenceCompareResult - Expresses the result of comparing two |
| /// types (cv1 T1 and cv2 T2) to determine their compatibility for the |
| /// purposes of initialization by reference (C++ [dcl.init.ref]p4). |
| enum ReferenceCompareResult { |
| /// Ref_Incompatible - The two types are incompatible, so direct |
| /// reference binding is not possible. |
| Ref_Incompatible = 0, |
| /// Ref_Related - The two types are reference-related, which means |
| /// that their unqualified forms (T1 and T2) are either the same |
| /// or T1 is a base class of T2. |
| Ref_Related, |
| /// Ref_Compatible_With_Added_Qualification - The two types are |
| /// reference-compatible with added qualification, meaning that |
| /// they are reference-compatible and the qualifiers on T1 (cv1) |
| /// are greater than the qualifiers on T2 (cv2). |
| Ref_Compatible_With_Added_Qualification, |
| /// Ref_Compatible - The two types are reference-compatible and |
| /// have equivalent qualifiers (cv1 == cv2). |
| Ref_Compatible |
| }; |
| |
| ReferenceCompareResult CompareReferenceRelationship(SourceLocation Loc, |
| QualType T1, QualType T2, |
| bool &DerivedToBase, |
| bool &ObjCConversion, |
| bool &ObjCLifetimeConversion); |
| |
| ExprResult checkUnknownAnyCast(SourceRange TypeRange, QualType CastType, |
| Expr *CastExpr, CastKind &CastKind, |
| ExprValueKind &VK, CXXCastPath &Path); |
| |
| // CheckVectorCast - check type constraints for vectors. |
| // Since vectors are an extension, there are no C standard reference for this. |
| // We allow casting between vectors and integer datatypes of the same size. |
| // returns true if the cast is invalid |
| bool CheckVectorCast(SourceRange R, QualType VectorTy, QualType Ty, |
| CastKind &Kind); |
| |
| // CheckExtVectorCast - check type constraints for extended vectors. |
| // Since vectors are an extension, there are no C standard reference for this. |
| // We allow casting between vectors and integer datatypes of the same size, |
| // or vectors and the element type of that vector. |
| // returns the cast expr |
| ExprResult CheckExtVectorCast(SourceRange R, QualType DestTy, Expr *CastExpr, |
| CastKind &Kind); |
| |
| ExprResult BuildCXXFunctionalCastExpr(TypeSourceInfo *TInfo, |
| SourceLocation LParenLoc, |
| Expr *CastExpr, |
| SourceLocation RParenLoc); |
| |
| /// \brief Checks for invalid conversions and casts between |
| /// retainable pointers and other pointer kinds. |
| void CheckObjCARCConversion(SourceRange castRange, QualType castType, |
| Expr *&op, CheckedConversionKind CCK); |
| |
| bool CheckObjCARCUnavailableWeakConversion(QualType castType, |
| QualType ExprType); |
| |
| /// checkRetainCycles - Check whether an Objective-C message send |
| /// might create an obvious retain cycle. |
| void checkRetainCycles(ObjCMessageExpr *msg); |
| void checkRetainCycles(Expr *receiver, Expr *argument); |
| |
| /// checkUnsafeAssigns - Check whether +1 expr is being assigned |
| /// to weak/__unsafe_unretained type. |
| bool checkUnsafeAssigns(SourceLocation Loc, QualType LHS, Expr *RHS); |
| |
| /// checkUnsafeExprAssigns - Check whether +1 expr is being assigned |
| /// to weak/__unsafe_unretained expression. |
| void checkUnsafeExprAssigns(SourceLocation Loc, Expr *LHS, Expr *RHS); |
| |
| /// CheckMessageArgumentTypes - Check types in an Obj-C message send. |
| /// \param Method - May be null. |
| /// \param [out] ReturnType - The return type of the send. |
| /// \return true iff there were any incompatible types. |
| bool CheckMessageArgumentTypes(QualType ReceiverType, |
| Expr **Args, unsigned NumArgs, Selector Sel, |
| ObjCMethodDecl *Method, bool isClassMessage, |
| bool isSuperMessage, |
| SourceLocation lbrac, SourceLocation rbrac, |
| QualType &ReturnType, ExprValueKind &VK); |
| |
| /// \brief Determine the result of a message send expression based on |
| /// the type of the receiver, the method expected to receive the message, |
| /// and the form of the message send. |
| QualType getMessageSendResultType(QualType ReceiverType, |
| ObjCMethodDecl *Method, |
| bool isClassMessage, bool isSuperMessage); |
| |
| /// \brief If the given expression involves a message send to a method |
| /// with a related result type, emit a note describing what happened. |
| void EmitRelatedResultTypeNote(const Expr *E); |
| |
| /// CheckBooleanCondition - Diagnose problems involving the use of |
| /// the given expression as a boolean condition (e.g. in an if |
| /// statement). Also performs the standard function and array |
| /// decays, possibly changing the input variable. |
| /// |
| /// \param Loc - A location associated with the condition, e.g. the |
| /// 'if' keyword. |
| /// \return true iff there were any errors |
| ExprResult CheckBooleanCondition(Expr *E, SourceLocation Loc); |
| |
| ExprResult ActOnBooleanCondition(Scope *S, SourceLocation Loc, |
| Expr *SubExpr); |
| |
| /// DiagnoseAssignmentAsCondition - Given that an expression is |
| /// being used as a boolean condition, warn if it's an assignment. |
| void DiagnoseAssignmentAsCondition(Expr *E); |
| |
| /// \brief Redundant parentheses over an equality comparison can indicate |
| /// that the user intended an assignment used as condition. |
| void DiagnoseEqualityWithExtraParens(ParenExpr *ParenE); |
| |
| /// CheckCXXBooleanCondition - Returns true if conversion to bool is invalid. |
| ExprResult CheckCXXBooleanCondition(Expr *CondExpr); |
| |
| /// ConvertIntegerToTypeWarnOnOverflow - Convert the specified APInt to have |
| /// the specified width and sign. If an overflow occurs, detect it and emit |
| /// the specified diagnostic. |
| void ConvertIntegerToTypeWarnOnOverflow(llvm::APSInt &OldVal, |
| unsigned NewWidth, bool NewSign, |
| SourceLocation Loc, unsigned DiagID); |
| |
| /// Checks that the Objective-C declaration is declared in the global scope. |
| /// Emits an error and marks the declaration as invalid if it's not declared |
| /// in the global scope. |
| bool CheckObjCDeclScope(Decl *D); |
| |
| /// VerifyIntegerConstantExpression - verifies that an expression is an ICE, |
| /// and reports the appropriate diagnostics. Returns false on success. |
| /// Can optionally return the value of the expression. |
| bool VerifyIntegerConstantExpression(const Expr *E, llvm::APSInt *Result = 0); |
| |
| /// VerifyBitField - verifies that a bit field expression is an ICE and has |
| /// the correct width, and that the field type is valid. |
| /// Returns false on success. |
| /// Can optionally return whether the bit-field is of width 0 |
| bool VerifyBitField(SourceLocation FieldLoc, IdentifierInfo *FieldName, |
| QualType FieldTy, const Expr *BitWidth, |
| bool *ZeroWidth = 0); |
| |
| enum CUDAFunctionTarget { |
| CFT_Device, |
| CFT_Global, |
| CFT_Host, |
| CFT_HostDevice |
| }; |
| |
| CUDAFunctionTarget IdentifyCUDATarget(const FunctionDecl *D); |
| |
| bool CheckCUDATarget(CUDAFunctionTarget CallerTarget, |
| CUDAFunctionTarget CalleeTarget); |
| |
| bool CheckCUDATarget(const FunctionDecl *Caller, const FunctionDecl *Callee) { |
| return CheckCUDATarget(IdentifyCUDATarget(Caller), |
| IdentifyCUDATarget(Callee)); |
| } |
| |
| /// \name Code completion |
| //@{ |
| /// \brief Describes the context in which code completion occurs. |
| enum ParserCompletionContext { |
| /// \brief Code completion occurs at top-level or namespace context. |
| PCC_Namespace, |
| /// \brief Code completion occurs within a class, struct, or union. |
| PCC_Class, |
| /// \brief Code completion occurs within an Objective-C interface, protocol, |
| /// or category. |
| PCC_ObjCInterface, |
| /// \brief Code completion occurs within an Objective-C implementation or |
| /// category implementation |
| PCC_ObjCImplementation, |
| /// \brief Code completion occurs within the list of instance variables |
| /// in an Objective-C interface, protocol, category, or implementation. |
| PCC_ObjCInstanceVariableList, |
| /// \brief Code completion occurs following one or more template |
| /// headers. |
| PCC_Template, |
| /// \brief Code completion occurs following one or more template |
| /// headers within a class. |
| PCC_MemberTemplate, |
| /// \brief Code completion occurs within an expression. |
| PCC_Expression, |
| /// \brief Code completion occurs within a statement, which may |
| /// also be an expression or a declaration. |
| PCC_Statement, |
| /// \brief Code completion occurs at the beginning of the |
| /// initialization statement (or expression) in a for loop. |
| PCC_ForInit, |
| /// \brief Code completion occurs within the condition of an if, |
| /// while, switch, or for statement. |
| PCC_Condition, |
| /// \brief Code completion occurs within the body of a function on a |
| /// recovery path, where we do not have a specific handle on our position |
| /// in the grammar. |
| PCC_RecoveryInFunction, |
| /// \brief Code completion occurs where only a type is permitted. |
| PCC_Type, |
| /// \brief Code completion occurs in a parenthesized expression, which |
| /// might also be a type cast. |
| PCC_ParenthesizedExpression, |
| /// \brief Code completion occurs within a sequence of declaration |
| /// specifiers within a function, method, or block. |
| PCC_LocalDeclarationSpecifiers |
| }; |
| |
| void CodeCompleteOrdinaryName(Scope *S, |
| ParserCompletionContext CompletionContext); |
| void CodeCompleteDeclSpec(Scope *S, DeclSpec &DS, |
| bool AllowNonIdentifiers, |
| bool AllowNestedNameSpecifiers); |
| |
| struct CodeCompleteExpressionData; |
| void CodeCompleteExpression(Scope *S, |
| const CodeCompleteExpressionData &Data); |
| void CodeCompleteMemberReferenceExpr(Scope *S, Expr *Base, |
| SourceLocation OpLoc, |
| bool IsArrow); |
| void CodeCompletePostfixExpression(Scope *S, ExprResult LHS); |
| void CodeCompleteTag(Scope *S, unsigned TagSpec); |
| void CodeCompleteTypeQualifiers(DeclSpec &DS); |
| void CodeCompleteCase(Scope *S); |
| void CodeCompleteCall(Scope *S, Expr *Fn, Expr **Args, unsigned NumArgs); |
| void CodeCompleteInitializer(Scope *S, Decl *D); |
| void CodeCompleteReturn(Scope *S); |
| void CodeCompleteAfterIf(Scope *S); |
| void CodeCompleteAssignmentRHS(Scope *S, Expr *LHS); |
| |
| void CodeCompleteQualifiedId(Scope *S, CXXScopeSpec &SS, |
| bool EnteringContext); |
| void CodeCompleteUsing(Scope *S); |
| void CodeCompleteUsingDirective(Scope *S); |
| void CodeCompleteNamespaceDecl(Scope *S); |
| void CodeCompleteNamespaceAliasDecl(Scope *S); |
| void CodeCompleteOperatorName(Scope *S); |
| void CodeCompleteConstructorInitializer(Decl *Constructor, |
| CXXCtorInitializer** Initializers, |
| unsigned NumInitializers); |
| |
| void CodeCompleteObjCAtDirective(Scope *S); |
| void CodeCompleteObjCAtVisibility(Scope *S); |
| void CodeCompleteObjCAtStatement(Scope *S); |
| void CodeCompleteObjCAtExpression(Scope *S); |
| void CodeCompleteObjCPropertyFlags(Scope *S, ObjCDeclSpec &ODS); |
| void CodeCompleteObjCPropertyGetter(Scope *S); |
| void CodeCompleteObjCPropertySetter(Scope *S); |
| void CodeCompleteObjCPassingType(Scope *S, ObjCDeclSpec &DS, |
| bool IsParameter); |
| void CodeCompleteObjCMessageReceiver(Scope *S); |
| void CodeCompleteObjCSuperMessage(Scope *S, SourceLocation SuperLoc, |
| IdentifierInfo **SelIdents, |
| unsigned NumSelIdents, |
| bool AtArgumentExpression); |
| void CodeCompleteObjCClassMessage(Scope *S, ParsedType Receiver, |
| IdentifierInfo **SelIdents, |
| unsigned NumSelIdents, |
| bool AtArgumentExpression, |
| bool IsSuper = false); |
| void CodeCompleteObjCInstanceMessage(Scope *S, Expr *Receiver, |
| IdentifierInfo **SelIdents, |
| unsigned NumSelIdents, |
| bool AtArgumentExpression, |
| ObjCInterfaceDecl *Super = 0); |
| void CodeCompleteObjCForCollection(Scope *S, |
| DeclGroupPtrTy IterationVar); |
| void CodeCompleteObjCSelector(Scope *S, |
| IdentifierInfo **SelIdents, |
| unsigned NumSelIdents); |
| void CodeCompleteObjCProtocolReferences(IdentifierLocPair *Protocols, |
| unsigned NumProtocols); |
| void CodeCompleteObjCProtocolDecl(Scope *S); |
| void CodeCompleteObjCInterfaceDecl(Scope *S); |
| void CodeCompleteObjCSuperclass(Scope *S, |
| IdentifierInfo *ClassName, |
| SourceLocation ClassNameLoc); |
| void CodeCompleteObjCImplementationDecl(Scope *S); |
| void CodeCompleteObjCInterfaceCategory(Scope *S, |
| IdentifierInfo *ClassName, |
| SourceLocation ClassNameLoc); |
| void CodeCompleteObjCImplementationCategory(Scope *S, |
| IdentifierInfo *ClassName, |
| SourceLocation ClassNameLoc); |
| void CodeCompleteObjCPropertyDefinition(Scope *S); |
| void CodeCompleteObjCPropertySynthesizeIvar(Scope *S, |
| IdentifierInfo *PropertyName); |
| void CodeCompleteObjCMethodDecl(Scope *S, |
| bool IsInstanceMethod, |
| ParsedType ReturnType); |
| void CodeCompleteObjCMethodDeclSelector(Scope *S, |
| bool IsInstanceMethod, |
| bool AtParameterName, |
| ParsedType ReturnType, |
| IdentifierInfo **SelIdents, |
| unsigned NumSelIdents); |
| void CodeCompletePreprocessorDirective(bool InConditional); |
| void CodeCompleteInPreprocessorConditionalExclusion(Scope *S); |
| void CodeCompletePreprocessorMacroName(bool IsDefinition); |
| void CodeCompletePreprocessorExpression(); |
| void CodeCompletePreprocessorMacroArgument(Scope *S, |
| IdentifierInfo *Macro, |
| MacroInfo *MacroInfo, |
| unsigned Argument); |
| void CodeCompleteNaturalLanguage(); |
| void GatherGlobalCodeCompletions(CodeCompletionAllocator &Allocator, |
| SmallVectorImpl<CodeCompletionResult> &Results); |
| //@} |
| |
| //===--------------------------------------------------------------------===// |
| // Extra semantic analysis beyond the C type system |
| |
| public: |
| SourceLocation getLocationOfStringLiteralByte(const StringLiteral *SL, |
| unsigned ByteNo) const; |
| |
| private: |
| void CheckArrayAccess(const Expr *BaseExpr, const Expr *IndexExpr, |
| bool isSubscript=false, bool AllowOnePastEnd=true); |
| void CheckArrayAccess(const Expr *E); |
| bool CheckFunctionCall(FunctionDecl *FDecl, CallExpr *TheCall); |
| bool CheckBlockCall(NamedDecl *NDecl, CallExpr *TheCall); |
| |
| bool CheckablePrintfAttr(const FormatAttr *Format, CallExpr *TheCall); |
| bool CheckObjCString(Expr *Arg); |
| |
| ExprResult CheckBuiltinFunctionCall(unsigned BuiltinID, CallExpr *TheCall); |
| bool CheckARMBuiltinFunctionCall(unsigned BuiltinID, CallExpr *TheCall); |
| |
| bool SemaBuiltinVAStart(CallExpr *TheCall); |
| bool SemaBuiltinUnorderedCompare(CallExpr *TheCall); |
| bool SemaBuiltinFPClassification(CallExpr *TheCall, unsigned NumArgs); |
| |
| public: |
| // Used by C++ template instantiation. |
| ExprResult SemaBuiltinShuffleVector(CallExpr *TheCall); |
| |
| private: |
| bool SemaBuiltinPrefetch(CallExpr *TheCall); |
| bool SemaBuiltinObjectSize(CallExpr *TheCall); |
| bool SemaBuiltinLongjmp(CallExpr *TheCall); |
| ExprResult SemaBuiltinAtomicOverloaded(ExprResult TheCallResult); |
| bool SemaBuiltinConstantArg(CallExpr *TheCall, int ArgNum, |
| llvm::APSInt &Result); |
| |
| bool SemaCheckStringLiteral(const Expr *E, const CallExpr *TheCall, |
| bool HasVAListArg, unsigned format_idx, |
| unsigned firstDataArg, bool isPrintf); |
| |
| void CheckFormatString(const StringLiteral *FExpr, const Expr *OrigFormatExpr, |
| const CallExpr *TheCall, bool HasVAListArg, |
| unsigned format_idx, unsigned firstDataArg, |
| bool isPrintf); |
| |
| void CheckNonNullArguments(const NonNullAttr *NonNull, |
| const Expr * const *ExprArgs, |
| SourceLocation CallSiteLoc); |
| |
| void CheckPrintfScanfArguments(const CallExpr *TheCall, bool HasVAListArg, |
| unsigned format_idx, unsigned firstDataArg, |
| bool isPrintf); |
| |
| /// \brief Enumeration used to describe which of the memory setting or copying |
| /// functions is being checked by \c CheckMemaccessArguments(). |
| enum CheckedMemoryFunction { |
| CMF_Memset, |
| CMF_Memcpy, |
| CMF_Memmove, |
| CMF_Memcmp |
| }; |
| |
| void CheckMemaccessArguments(const CallExpr *Call, CheckedMemoryFunction CMF, |
| IdentifierInfo *FnName); |
| |
| void CheckStrlcpycatArguments(const CallExpr *Call, |
| IdentifierInfo *FnName); |
| |
| void CheckReturnStackAddr(Expr *RetValExp, QualType lhsType, |
| SourceLocation ReturnLoc); |
| void CheckFloatComparison(SourceLocation Loc, Expr* LHS, Expr* RHS); |
| void CheckImplicitConversions(Expr *E, SourceLocation CC = SourceLocation()); |
| |
| void CheckBitFieldInitialization(SourceLocation InitLoc, FieldDecl *Field, |
| Expr *Init); |
| |
| /// \brief The parser's current scope. |
| /// |
| /// The parser maintains this state here. |
| Scope *CurScope; |
| |
| protected: |
| friend class Parser; |
| friend class InitializationSequence; |
| friend class ASTReader; |
| friend class ASTWriter; |
| |
| public: |
| /// \brief Retrieve the parser's current scope. |
| /// |
| /// This routine must only be used when it is certain that semantic analysis |
| /// and the parser are in precisely the same context, which is not the case |
| /// when, e.g., we are performing any kind of template instantiation. |
| /// Therefore, the only safe places to use this scope are in the parser |
| /// itself and in routines directly invoked from the parser and *never* from |
| /// template substitution or instantiation. |
| Scope *getCurScope() const { return CurScope; } |
| |
| Decl *getObjCDeclContext() const; |
| |
| DeclContext *getCurLexicalContext() const { |
| return OriginalLexicalContext ? OriginalLexicalContext : CurContext; |
| } |
| |
| AvailabilityResult getCurContextAvailability() const; |
| }; |
| |
| /// \brief RAII object that enters a new expression evaluation context. |
| class EnterExpressionEvaluationContext { |
| Sema &Actions; |
| |
| public: |
| EnterExpressionEvaluationContext(Sema &Actions, |
| Sema::ExpressionEvaluationContext NewContext) |
| : Actions(Actions) { |
| Actions.PushExpressionEvaluationContext(NewContext); |
| } |
| |
| ~EnterExpressionEvaluationContext() { |
| Actions.PopExpressionEvaluationContext(); |
| } |
| }; |
| |
| } // end namespace clang |
| |
| #endif |