4656 lines
218 KiB
C++
4656 lines
218 KiB
C++
//===--- 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_AST_SEMA_H
|
|
#define LLVM_CLANG_AST_SEMA_H
|
|
|
|
#include "IdentifierResolver.h"
|
|
#include "CXXFieldCollector.h"
|
|
#include "SemaOverload.h"
|
|
#include "SemaTemplate.h"
|
|
#include "AnalysisBasedWarnings.h"
|
|
#include "clang/AST/Attr.h"
|
|
#include "clang/AST/DeclBase.h"
|
|
#include "clang/AST/Decl.h"
|
|
#include "clang/AST/DeclObjC.h"
|
|
#include "clang/AST/DeclTemplate.h"
|
|
#include "clang/AST/ExprCXX.h"
|
|
#include "clang/AST/FullExpr.h"
|
|
#include "clang/Parse/Action.h"
|
|
#include "clang/Sema/SemaDiagnostic.h"
|
|
#include "llvm/ADT/SmallVector.h"
|
|
#include "llvm/ADT/DenseSet.h"
|
|
#include "llvm/ADT/SmallPtrSet.h"
|
|
#include "llvm/ADT/OwningPtr.h"
|
|
#include <deque>
|
|
#include <list>
|
|
#include <map>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
namespace llvm {
|
|
class APSInt;
|
|
}
|
|
|
|
namespace clang {
|
|
class ASTContext;
|
|
class ASTConsumer;
|
|
class CodeCompleteConsumer;
|
|
class Preprocessor;
|
|
class Decl;
|
|
class DeclContext;
|
|
class DeclSpec;
|
|
class ExternalSemaSource;
|
|
class NamedDecl;
|
|
class Stmt;
|
|
class Expr;
|
|
class InitListExpr;
|
|
class ParenListExpr;
|
|
class DesignatedInitExpr;
|
|
class CallExpr;
|
|
class DeclRefExpr;
|
|
class UnresolvedLookupExpr;
|
|
class UnresolvedMemberExpr;
|
|
class VarDecl;
|
|
class ParmVarDecl;
|
|
class TypedefDecl;
|
|
class FunctionDecl;
|
|
class QualType;
|
|
class LangOptions;
|
|
class Token;
|
|
class IntegerLiteral;
|
|
class StringLiteral;
|
|
class ArrayType;
|
|
class LabelStmt;
|
|
class SwitchStmt;
|
|
class CXXTryStmt;
|
|
class ExtVectorType;
|
|
class TypedefDecl;
|
|
class TemplateDecl;
|
|
class TemplateArgument;
|
|
class TemplateArgumentLoc;
|
|
class TemplateArgumentList;
|
|
class TemplateParameterList;
|
|
class TemplateTemplateParmDecl;
|
|
class ClassTemplatePartialSpecializationDecl;
|
|
class ClassTemplateDecl;
|
|
class ObjCInterfaceDecl;
|
|
class ObjCCompatibleAliasDecl;
|
|
class ObjCProtocolDecl;
|
|
class ObjCImplDecl;
|
|
class ObjCImplementationDecl;
|
|
class ObjCCategoryImplDecl;
|
|
class ObjCCategoryDecl;
|
|
class ObjCIvarDecl;
|
|
class ObjCMethodDecl;
|
|
class ObjCPropertyDecl;
|
|
class ObjCContainerDecl;
|
|
class PseudoDestructorTypeStorage;
|
|
class FunctionProtoType;
|
|
class CXXBasePath;
|
|
class CXXBasePaths;
|
|
class CXXTemporary;
|
|
class LookupResult;
|
|
class InitializedEntity;
|
|
class InitializationKind;
|
|
class InitializationSequence;
|
|
class VisibleDeclConsumer;
|
|
class TargetAttributesSema;
|
|
class ADLResult;
|
|
|
|
/// \brief Retains information about a function, method, or block that is
|
|
/// currently being parsed.
|
|
struct FunctionScopeInfo {
|
|
/// \brief Whether this scope information structure defined information for
|
|
/// a block.
|
|
bool IsBlockInfo;
|
|
|
|
/// \brief Set true when a function, method contains a VLA or ObjC try block,
|
|
/// which introduce scopes that need to be checked for goto conditions. If a
|
|
/// function does not contain this, then it need not have the jump checker run
|
|
/// on it.
|
|
bool NeedsScopeChecking;
|
|
|
|
/// \brief The number of errors that had occurred before starting this
|
|
/// function or block.
|
|
unsigned NumErrorsAtStartOfFunction;
|
|
|
|
/// LabelMap - This is a mapping from label identifiers to the LabelStmt for
|
|
/// it (which acts like the label decl in some ways). Forward referenced
|
|
/// labels have a LabelStmt created for them with a null location & SubStmt.
|
|
llvm::DenseMap<IdentifierInfo*, LabelStmt*> LabelMap;
|
|
|
|
/// SwitchStack - This is the current set of active switch statements in the
|
|
/// block.
|
|
llvm::SmallVector<SwitchStmt*, 8> SwitchStack;
|
|
|
|
/// \brief The list of return statements that occur within the function or
|
|
/// block, if there is any chance of applying the named return value
|
|
/// optimization.
|
|
llvm::SmallVector<ReturnStmt *, 4> Returns;
|
|
|
|
FunctionScopeInfo(unsigned NumErrors)
|
|
: IsBlockInfo(false), NeedsScopeChecking(false),
|
|
NumErrorsAtStartOfFunction(NumErrors) { }
|
|
|
|
virtual ~FunctionScopeInfo();
|
|
|
|
/// \brief Clear out the information in this function scope, making it
|
|
/// suitable for reuse.
|
|
void Clear(unsigned NumErrors);
|
|
|
|
static bool classof(const FunctionScopeInfo *FSI) { return true; }
|
|
};
|
|
|
|
|
|
/// \brief Retains information about a block that is currently being parsed.
|
|
struct BlockScopeInfo : FunctionScopeInfo {
|
|
bool hasBlockDeclRefExprs;
|
|
|
|
BlockDecl *TheDecl;
|
|
|
|
/// TheScope - This is the scope for the block itself, which contains
|
|
/// arguments etc.
|
|
Scope *TheScope;
|
|
|
|
/// ReturnType - The return type of the block, or null if the block
|
|
/// signature didn't provide an explicit return type.
|
|
QualType ReturnType;
|
|
|
|
/// BlockType - The function type of the block, if one was given.
|
|
/// Its return type may be BuiltinType::Dependent.
|
|
QualType FunctionType;
|
|
|
|
BlockScopeInfo(unsigned NumErrors, Scope *BlockScope, BlockDecl *Block)
|
|
: FunctionScopeInfo(NumErrors), hasBlockDeclRefExprs(false),
|
|
TheDecl(Block), TheScope(BlockScope)
|
|
{
|
|
IsBlockInfo = true;
|
|
}
|
|
|
|
virtual ~BlockScopeInfo();
|
|
|
|
static bool classof(const FunctionScopeInfo *FSI) { return FSI->IsBlockInfo; }
|
|
static bool classof(const BlockScopeInfo *BSI) { return true; }
|
|
};
|
|
|
|
/// \brief Holds a QualType and a TypeSourceInfo* that came out of a declarator
|
|
/// parsing.
|
|
///
|
|
/// LocInfoType is a "transient" type, only needed for passing to/from Parser
|
|
/// and Sema, when we want to preserve type source info for a parsed type.
|
|
/// It will not participate in the type system semantics in any way.
|
|
class LocInfoType : public Type {
|
|
enum {
|
|
// The last number that can fit in Type's TC.
|
|
// Avoids conflict with an existing Type class.
|
|
LocInfo = Type::TypeLast + 1
|
|
};
|
|
|
|
TypeSourceInfo *DeclInfo;
|
|
|
|
LocInfoType(QualType ty, TypeSourceInfo *TInfo)
|
|
: Type((TypeClass)LocInfo, ty, ty->isDependentType()), DeclInfo(TInfo) {
|
|
assert(getTypeClass() == (TypeClass)LocInfo && "LocInfo didn't fit in TC?");
|
|
}
|
|
friend class Sema;
|
|
|
|
public:
|
|
QualType getType() const { return getCanonicalTypeInternal(); }
|
|
TypeSourceInfo *getTypeSourceInfo() const { return DeclInfo; }
|
|
|
|
virtual void getAsStringInternal(std::string &Str,
|
|
const PrintingPolicy &Policy) const;
|
|
|
|
static bool classof(const Type *T) {
|
|
return T->getTypeClass() == (TypeClass)LocInfo;
|
|
}
|
|
static bool classof(const LocInfoType *) { return true; }
|
|
};
|
|
|
|
/// Sema - This implements semantic analysis and AST building for C.
|
|
class Sema : public Action {
|
|
Sema(const Sema&); // DO NOT IMPLEMENT
|
|
void operator=(const Sema&); // DO NOT IMPLEMENT
|
|
mutable const TargetAttributesSema* TheTargetAttributesSema;
|
|
public:
|
|
const LangOptions &LangOpts;
|
|
Preprocessor &PP;
|
|
ASTContext &Context;
|
|
ASTConsumer &Consumer;
|
|
Diagnostic &Diags;
|
|
SourceManager &SourceMgr;
|
|
|
|
/// \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;
|
|
|
|
/// 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;
|
|
|
|
/// A RAII object to temporarily push a declaration context.
|
|
class ContextRAII {
|
|
private:
|
|
Sema &S;
|
|
DeclContext *SavedContext;
|
|
|
|
public:
|
|
ContextRAII(Sema &S, DeclContext *ContextToPush)
|
|
: S(S), SavedContext(S.CurContext) {
|
|
assert(ContextToPush && "pushing null context");
|
|
S.CurContext = ContextToPush;
|
|
}
|
|
|
|
void pop() {
|
|
if (!SavedContext) return;
|
|
S.CurContext = SavedContext;
|
|
SavedContext = 0;
|
|
}
|
|
|
|
~ContextRAII() {
|
|
pop();
|
|
}
|
|
};
|
|
|
|
/// PackContext - Manages the stack for #pragma pack. An alignment
|
|
/// of 0 indicates default alignment.
|
|
void *PackContext; // Really a "PragmaPackStack*"
|
|
|
|
/// \brief Stack containing information about each of the nested function,
|
|
/// block, and method scopes that are currently active.
|
|
llvm::SmallVector<FunctionScopeInfo *, 4> FunctionScopes;
|
|
|
|
/// \brief Cached function scope object used for the top function scope
|
|
/// and when there is no function scope (in error cases).
|
|
///
|
|
/// This should never be accessed directly; rather, it's address will be
|
|
/// pushed into \c FunctionScopes when we want to re-use it.
|
|
FunctionScopeInfo TopFunctionScope;
|
|
|
|
/// ExprTemporaries - This is the stack of temporaries that are created by
|
|
/// the current full expression.
|
|
llvm::SmallVector<CXXTemporary*, 8> ExprTemporaries;
|
|
|
|
/// 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.
|
|
llvm::SmallVector<TypedefDecl*, 24> 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;
|
|
|
|
/// \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 All the tentative definitions encountered in the TU.
|
|
std::vector<VarDecl *> TentativeDefinitions;
|
|
|
|
/// \brief The set of static functions seen so far that have not been used.
|
|
std::vector<FunctionDecl*> UnusedStaticFuncs;
|
|
|
|
class AccessedEntity {
|
|
public:
|
|
/// A member declaration found through lookup. The target is the
|
|
/// member.
|
|
enum MemberNonce { Member };
|
|
|
|
/// A hierarchy (base-to-derived or derived-to-base) conversion.
|
|
/// The target is the base class.
|
|
enum BaseNonce { Base };
|
|
|
|
bool isMemberAccess() const { return IsMember; }
|
|
|
|
AccessedEntity(ASTContext &Context,
|
|
MemberNonce _,
|
|
CXXRecordDecl *NamingClass,
|
|
DeclAccessPair FoundDecl,
|
|
QualType BaseObjectType)
|
|
: Access(FoundDecl.getAccess()), IsMember(true),
|
|
Target(FoundDecl.getDecl()), NamingClass(NamingClass),
|
|
BaseObjectType(BaseObjectType), Diag(0, Context.getDiagAllocator()) {
|
|
}
|
|
|
|
AccessedEntity(ASTContext &Context,
|
|
BaseNonce _,
|
|
CXXRecordDecl *BaseClass,
|
|
CXXRecordDecl *DerivedClass,
|
|
AccessSpecifier Access)
|
|
: Access(Access), IsMember(false),
|
|
Target(BaseClass), NamingClass(DerivedClass),
|
|
Diag(0, Context.getDiagAllocator()) {
|
|
}
|
|
|
|
bool isQuiet() const { return Diag.getDiagID() == 0; }
|
|
|
|
AccessSpecifier getAccess() const { return AccessSpecifier(Access); }
|
|
|
|
// These apply to member decls...
|
|
NamedDecl *getTargetDecl() const { return Target; }
|
|
CXXRecordDecl *getNamingClass() const { return NamingClass; }
|
|
|
|
// ...and these apply to hierarchy conversions.
|
|
CXXRecordDecl *getBaseClass() const { return cast<CXXRecordDecl>(Target); }
|
|
CXXRecordDecl *getDerivedClass() const { return NamingClass; }
|
|
|
|
/// Retrieves the base object type, important when accessing
|
|
/// an instance member.
|
|
QualType getBaseObjectType() const { return BaseObjectType; }
|
|
|
|
/// Sets a diagnostic to be performed. The diagnostic is given
|
|
/// four (additional) arguments:
|
|
/// %0 - 0 if the entity was private, 1 if protected
|
|
/// %1 - the DeclarationName of the entity
|
|
/// %2 - the TypeDecl type of the naming class
|
|
/// %3 - the TypeDecl type of the declaring class
|
|
void setDiag(const PartialDiagnostic &PDiag) {
|
|
assert(isQuiet() && "partial diagnostic already defined");
|
|
Diag = PDiag;
|
|
}
|
|
PartialDiagnostic &setDiag(unsigned DiagID) {
|
|
assert(isQuiet() && "partial diagnostic already defined");
|
|
assert(DiagID && "creating null diagnostic");
|
|
Diag.Reset(DiagID);
|
|
return Diag;
|
|
}
|
|
const PartialDiagnostic &getDiag() const {
|
|
return Diag;
|
|
}
|
|
|
|
private:
|
|
unsigned Access : 2;
|
|
bool IsMember;
|
|
NamedDecl *Target;
|
|
CXXRecordDecl *NamingClass;
|
|
QualType BaseObjectType;
|
|
PartialDiagnostic Diag;
|
|
};
|
|
|
|
struct DelayedDiagnostic {
|
|
enum DDKind { Deprecation, Access };
|
|
|
|
unsigned char Kind; // actually a DDKind
|
|
bool Triggered;
|
|
|
|
SourceLocation Loc;
|
|
|
|
union {
|
|
/// Deprecation.
|
|
struct { NamedDecl *Decl; } DeprecationData;
|
|
|
|
/// Access control.
|
|
char AccessData[sizeof(AccessedEntity)];
|
|
};
|
|
|
|
void destroy() {
|
|
switch (Kind) {
|
|
case Access: getAccessData().~AccessedEntity(); break;
|
|
case Deprecation: break;
|
|
}
|
|
}
|
|
|
|
static DelayedDiagnostic makeDeprecation(SourceLocation Loc,
|
|
NamedDecl *D) {
|
|
DelayedDiagnostic DD;
|
|
DD.Kind = Deprecation;
|
|
DD.Triggered = false;
|
|
DD.Loc = Loc;
|
|
DD.DeprecationData.Decl = D;
|
|
return DD;
|
|
}
|
|
|
|
static DelayedDiagnostic makeAccess(SourceLocation Loc,
|
|
const AccessedEntity &Entity) {
|
|
DelayedDiagnostic DD;
|
|
DD.Kind = Access;
|
|
DD.Triggered = false;
|
|
DD.Loc = Loc;
|
|
new (&DD.getAccessData()) AccessedEntity(Entity);
|
|
return DD;
|
|
}
|
|
|
|
AccessedEntity &getAccessData() {
|
|
return *reinterpret_cast<AccessedEntity*>(AccessData);
|
|
}
|
|
const AccessedEntity &getAccessData() const {
|
|
return *reinterpret_cast<const AccessedEntity*>(AccessData);
|
|
}
|
|
};
|
|
|
|
/// \brief The stack of diagnostics that were delayed due to being
|
|
/// produced during the parsing of a declaration.
|
|
llvm::SmallVector<DelayedDiagnostic, 8> DelayedDiagnostics;
|
|
|
|
/// \brief The depth of the current ParsingDeclaration stack.
|
|
/// If nonzero, we are currently parsing a declaration (and
|
|
/// hence should delay deprecation warnings).
|
|
unsigned ParsingDeclDepth;
|
|
|
|
/// WeakUndeclaredIdentifiers - Identifiers contained in
|
|
/// #pragma weak before declared. rare. may alias another
|
|
/// identifier, declared or undeclared
|
|
class WeakInfo {
|
|
IdentifierInfo *alias; // alias (optional)
|
|
SourceLocation loc; // for diagnostics
|
|
bool used; // identifier later declared?
|
|
public:
|
|
WeakInfo()
|
|
: alias(0), loc(SourceLocation()), used(false) {}
|
|
WeakInfo(IdentifierInfo *Alias, SourceLocation Loc)
|
|
: alias(Alias), loc(Loc), used(false) {}
|
|
inline IdentifierInfo * getAlias() const { return alias; }
|
|
inline SourceLocation getLocation() const { return loc; }
|
|
void setUsed(bool Used=true) { used = Used; }
|
|
inline bool getUsed() { return used; }
|
|
bool operator==(WeakInfo RHS) const {
|
|
return alias == RHS.getAlias() && loc == RHS.getLocation();
|
|
}
|
|
bool operator!=(WeakInfo RHS) const { return !(*this == RHS); }
|
|
};
|
|
llvm::DenseMap<IdentifierInfo*,WeakInfo> WeakUndeclaredIdentifiers;
|
|
|
|
/// 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.
|
|
llvm::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.
|
|
NamespaceDecl *StdNamespace;
|
|
|
|
/// \brief The C++ "std::bad_alloc" class, which is defined by the C++
|
|
/// standard library.
|
|
CXXRecordDecl *StdBadAlloc;
|
|
|
|
/// A flag to remember whether the implicit forms of operator new and delete
|
|
/// have been declared.
|
|
bool GlobalNewDeleteDeclared;
|
|
|
|
/// \brief The set of declarations that have been referenced within
|
|
/// a potentially evaluated expression.
|
|
typedef std::vector<std::pair<SourceLocation, Decl *> >
|
|
PotentiallyReferencedDecls;
|
|
|
|
/// \brief A set of diagnostics that may be emitted.
|
|
typedef std::vector<std::pair<SourceLocation, PartialDiagnostic> >
|
|
PotentiallyEmittedDiagnostics;
|
|
|
|
/// \brief Data structure used to record current or nested
|
|
/// expression evaluation contexts.
|
|
struct ExpressionEvaluationContextRecord {
|
|
/// \brief The expression evaluation context.
|
|
ExpressionEvaluationContext Context;
|
|
|
|
/// \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)
|
|
: Context(Context), 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.
|
|
llvm::SmallVector<ExpressionEvaluationContextRecord, 8> ExprEvalContexts;
|
|
|
|
/// \brief Whether the code handled by Sema should be considered a
|
|
/// complete translation unit or not.
|
|
///
|
|
/// When true (which is generally the case), Sema will perform
|
|
/// end-of-translation-unit semantic tasks (such as creating
|
|
/// initializers for tentative definitions in C) once parsing has
|
|
/// completed. This flag will be false when building PCH files,
|
|
/// since a PCH file is by definition not a complete translation
|
|
/// unit.
|
|
bool CompleteTranslationUnit;
|
|
|
|
llvm::BumpPtrAllocator BumpAlloc;
|
|
|
|
/// \brief The number of SFINAE diagnostics that have been trapped.
|
|
unsigned NumSFINAEErrors;
|
|
|
|
typedef llvm::DenseMap<Selector, ObjCMethodList> MethodPool;
|
|
|
|
/// Instance/Factory Method Pools - 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").
|
|
MethodPool InstanceMethodPool;
|
|
MethodPool FactoryMethodPool;
|
|
|
|
MethodPool::iterator ReadMethodPool(Selector Sel, bool isInstance);
|
|
|
|
/// Private Helper predicate to check for 'self'.
|
|
bool isSelfExpr(Expr *RExpr);
|
|
public:
|
|
Sema(Preprocessor &pp, ASTContext &ctxt, ASTConsumer &consumer,
|
|
bool CompleteTranslationUnit = true,
|
|
CodeCompleteConsumer *CompletionConsumer = 0);
|
|
~Sema();
|
|
|
|
const LangOptions &getLangOptions() const { return LangOpts; }
|
|
Diagnostic &getDiagnostics() const { return Diags; }
|
|
SourceManager &getSourceManager() const { return SourceMgr; }
|
|
const TargetAttributesSema &getTargetAttributesSema() 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) {
|
|
return PartialDiagnostic(DiagID, Context.getDiagAllocator());
|
|
}
|
|
|
|
virtual void DeleteExpr(ExprTy *E);
|
|
virtual void DeleteStmt(StmtTy *S);
|
|
|
|
OwningExprResult Owned(Expr* E) {
|
|
assert(!E || E->isRetained());
|
|
return OwningExprResult(*this, E);
|
|
}
|
|
OwningExprResult Owned(ExprResult R) {
|
|
if (R.isInvalid())
|
|
return ExprError();
|
|
assert(!R.get() || ((Expr*) R.get())->isRetained());
|
|
return OwningExprResult(*this, R.get());
|
|
}
|
|
OwningStmtResult Owned(Stmt* S) {
|
|
assert(!S || S->isRetained());
|
|
return OwningStmtResult(*this, S);
|
|
}
|
|
|
|
virtual void ActOnEndOfTranslationUnit();
|
|
|
|
Scope *getScopeForContext(DeclContext *Ctx);
|
|
|
|
void PushFunctionScope();
|
|
void PushBlockScope(Scope *BlockScope, BlockDecl *Block);
|
|
void PopFunctionOrBlockScope();
|
|
|
|
/// getLabelMap() - Return the current label map. If we're in a block, we
|
|
/// return it.
|
|
llvm::DenseMap<IdentifierInfo*, LabelStmt*> &getLabelMap() {
|
|
if (FunctionScopes.empty())
|
|
return TopFunctionScope.LabelMap;
|
|
|
|
return FunctionScopes.back()->LabelMap;
|
|
}
|
|
|
|
/// getSwitchStack - This is returns the switch stack for the current block or
|
|
/// function.
|
|
llvm::SmallVector<SwitchStmt*,8> &getSwitchStack() {
|
|
if (FunctionScopes.empty())
|
|
return TopFunctionScope.SwitchStack;
|
|
|
|
return FunctionScopes.back()->SwitchStack;
|
|
}
|
|
|
|
/// \brief Determine whether the current function or block needs scope
|
|
/// checking.
|
|
bool &FunctionNeedsScopeChecking() {
|
|
if (FunctionScopes.empty())
|
|
return TopFunctionScope.NeedsScopeChecking;
|
|
|
|
return FunctionScopes.back()->NeedsScopeChecking;
|
|
}
|
|
|
|
bool hasAnyErrorsInThisFunction() const;
|
|
|
|
/// \brief Retrieve the current block, if any.
|
|
BlockScopeInfo *getCurBlock();
|
|
|
|
/// WeakTopLevelDeclDecls - access to #pragma weak-generated Decls
|
|
llvm::SmallVector<Decl*,2> &WeakTopLevelDecls() { return WeakTopLevelDecl; }
|
|
|
|
//===--------------------------------------------------------------------===//
|
|
// Type Analysis / Processing: SemaType.cpp.
|
|
//
|
|
|
|
QualType adjustParameterType(QualType T);
|
|
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, ExprArg ArraySize,
|
|
SourceLocation AttrLoc);
|
|
QualType BuildFunctionType(QualType T,
|
|
QualType *ParamTypes, unsigned NumParamTypes,
|
|
bool Variadic, unsigned Quals,
|
|
SourceLocation Loc, DeclarationName Entity);
|
|
QualType BuildMemberPointerType(QualType T, QualType Class,
|
|
SourceLocation Loc,
|
|
DeclarationName Entity);
|
|
QualType BuildBlockPointerType(QualType T,
|
|
SourceLocation Loc, DeclarationName Entity);
|
|
TypeSourceInfo *GetTypeForDeclarator(Declarator &D, Scope *S,
|
|
TagDecl **OwnedDecl = 0);
|
|
TypeSourceInfo *GetTypeSourceInfoForDeclarator(Declarator &D, QualType T,
|
|
TypeSourceInfo *ReturnTypeInfo);
|
|
/// \brief Create a LocInfoType to hold the given QualType and TypeSourceInfo.
|
|
QualType CreateLocInfoType(QualType T, TypeSourceInfo *TInfo);
|
|
DeclarationName GetNameForDeclarator(Declarator &D);
|
|
DeclarationName GetNameFromUnqualifiedId(const UnqualifiedId &Name);
|
|
static QualType GetTypeFromParser(TypeTy *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 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);
|
|
|
|
virtual TypeResult ActOnTypeName(Scope *S, Declarator &D);
|
|
|
|
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);
|
|
|
|
QualType getElaboratedType(ElaboratedTypeKeyword Keyword,
|
|
const CXXScopeSpec &SS, QualType T);
|
|
|
|
QualType BuildTypeofExprType(Expr *E);
|
|
QualType BuildDecltypeType(Expr *E);
|
|
|
|
//===--------------------------------------------------------------------===//
|
|
// Symbol table / Decl tracking callbacks: SemaDecl.cpp.
|
|
//
|
|
|
|
/// getDeclName - Return a pretty name for the specified decl if possible, or
|
|
/// an empty string if not. This is used for pretty crash reporting.
|
|
virtual std::string getDeclName(DeclPtrTy D);
|
|
|
|
DeclGroupPtrTy ConvertDeclToDeclGroup(DeclPtrTy Ptr);
|
|
|
|
virtual TypeTy *getTypeName(IdentifierInfo &II, SourceLocation NameLoc,
|
|
Scope *S, CXXScopeSpec *SS,
|
|
bool isClassName = false,
|
|
TypeTy *ObjectType = 0);
|
|
virtual DeclSpec::TST isTagName(IdentifierInfo &II, Scope *S);
|
|
virtual bool DiagnoseUnknownTypeName(const IdentifierInfo &II,
|
|
SourceLocation IILoc,
|
|
Scope *S,
|
|
CXXScopeSpec *SS,
|
|
TypeTy *&SuggestedType);
|
|
|
|
virtual DeclPtrTy ActOnDeclarator(Scope *S, Declarator &D) {
|
|
return HandleDeclarator(S, D, MultiTemplateParamsArg(*this), false);
|
|
}
|
|
|
|
DeclPtrTy HandleDeclarator(Scope *S, Declarator &D,
|
|
MultiTemplateParamsArg TemplateParameterLists,
|
|
bool IsFunctionDefinition);
|
|
void RegisterLocallyScopedExternCDecl(NamedDecl *ND,
|
|
const LookupResult &Previous,
|
|
Scope *S);
|
|
void DiagnoseFunctionSpecifiers(Declarator& D);
|
|
void CheckShadow(Scope *S, VarDecl *D, const LookupResult& R);
|
|
void CheckShadow(Scope *S, VarDecl *D);
|
|
NamedDecl* ActOnTypedefDeclarator(Scope* S, Declarator& D, DeclContext* DC,
|
|
QualType R, TypeSourceInfo *TInfo,
|
|
LookupResult &Previous, bool &Redeclaration);
|
|
NamedDecl* ActOnVariableDeclarator(Scope* S, Declarator& D, DeclContext* DC,
|
|
QualType R, TypeSourceInfo *TInfo,
|
|
LookupResult &Previous,
|
|
MultiTemplateParamsArg TemplateParamLists,
|
|
bool &Redeclaration);
|
|
void CheckVariableDeclaration(VarDecl *NewVD, LookupResult &Previous,
|
|
bool &Redeclaration);
|
|
NamedDecl* ActOnFunctionDeclarator(Scope* S, Declarator& D, DeclContext* DC,
|
|
QualType R, TypeSourceInfo *TInfo,
|
|
LookupResult &Previous,
|
|
MultiTemplateParamsArg TemplateParamLists,
|
|
bool IsFunctionDefinition,
|
|
bool &Redeclaration);
|
|
void AddOverriddenMethods(CXXRecordDecl *DC, CXXMethodDecl *MD);
|
|
void CheckFunctionDeclaration(Scope *S,
|
|
FunctionDecl *NewFD, LookupResult &Previous,
|
|
bool IsExplicitSpecialization,
|
|
bool &Redeclaration,
|
|
bool &OverloadableAttrRequired);
|
|
void CheckMain(FunctionDecl *FD);
|
|
virtual DeclPtrTy ActOnParamDeclarator(Scope *S, Declarator &D);
|
|
ParmVarDecl *BuildParmVarDeclForTypedef(DeclContext *DC,
|
|
SourceLocation Loc,
|
|
QualType T);
|
|
ParmVarDecl *CheckParameter(DeclContext *DC,
|
|
TypeSourceInfo *TSInfo, QualType T,
|
|
IdentifierInfo *Name,
|
|
SourceLocation NameLoc,
|
|
VarDecl::StorageClass StorageClass,
|
|
VarDecl::StorageClass StorageClassAsWritten);
|
|
virtual void ActOnParamDefaultArgument(DeclPtrTy param,
|
|
SourceLocation EqualLoc,
|
|
ExprArg defarg);
|
|
virtual void ActOnParamUnparsedDefaultArgument(DeclPtrTy param,
|
|
SourceLocation EqualLoc,
|
|
SourceLocation ArgLoc);
|
|
virtual void ActOnParamDefaultArgumentError(DeclPtrTy param);
|
|
bool SetParamDefaultArgument(ParmVarDecl *Param, ExprArg DefaultArg,
|
|
SourceLocation EqualLoc);
|
|
|
|
|
|
// Contains the locations of the beginning of unparsed default
|
|
// argument locations.
|
|
llvm::DenseMap<ParmVarDecl *,SourceLocation> UnparsedDefaultArgLocs;
|
|
|
|
virtual void AddInitializerToDecl(DeclPtrTy dcl, ExprArg init);
|
|
void AddInitializerToDecl(DeclPtrTy dcl, ExprArg init, bool DirectInit);
|
|
void ActOnUninitializedDecl(DeclPtrTy dcl, bool TypeContainsUndeducedAuto);
|
|
virtual void ActOnInitializerError(DeclPtrTy Dcl);
|
|
virtual void SetDeclDeleted(DeclPtrTy dcl, SourceLocation DelLoc);
|
|
virtual DeclGroupPtrTy FinalizeDeclaratorGroup(Scope *S, const DeclSpec &DS,
|
|
DeclPtrTy *Group,
|
|
unsigned NumDecls);
|
|
virtual void ActOnFinishKNRParamDeclarations(Scope *S, Declarator &D,
|
|
SourceLocation LocAfterDecls);
|
|
virtual DeclPtrTy ActOnStartOfFunctionDef(Scope *S, Declarator &D);
|
|
virtual DeclPtrTy ActOnStartOfFunctionDef(Scope *S, DeclPtrTy D);
|
|
virtual void ActOnStartOfObjCMethodDef(Scope *S, DeclPtrTy D);
|
|
|
|
virtual DeclPtrTy ActOnFinishFunctionBody(DeclPtrTy Decl, StmtArg Body);
|
|
DeclPtrTy ActOnFinishFunctionBody(DeclPtrTy Decl, StmtArg Body,
|
|
bool IsInstantiation);
|
|
|
|
/// \brief Diagnose any unused parameters in the given sequence of
|
|
/// ParmVarDecl pointers.
|
|
template<typename InputIterator>
|
|
void DiagnoseUnusedParameters(InputIterator Param, InputIterator ParamEnd) {
|
|
if (Diags.getDiagnosticLevel(diag::warn_unused_parameter) ==
|
|
Diagnostic::Ignored)
|
|
return;
|
|
|
|
// Don't diagnose unused-parameter errors in template instantiations; we
|
|
// will already have done so in the template itself.
|
|
if (!ActiveTemplateInstantiations.empty())
|
|
return;
|
|
|
|
for (; Param != ParamEnd; ++Param) {
|
|
if (!(*Param)->isUsed() && (*Param)->getDeclName() &&
|
|
!(*Param)->template hasAttr<UnusedAttr>()) {
|
|
Diag((*Param)->getLocation(), diag::warn_unused_parameter)
|
|
<< (*Param)->getDeclName();
|
|
}
|
|
}
|
|
}
|
|
|
|
void DiagnoseInvalidJumps(Stmt *Body);
|
|
virtual DeclPtrTy ActOnFileScopeAsmDecl(SourceLocation Loc, ExprArg expr);
|
|
|
|
/// Scope actions.
|
|
virtual void ActOnPopScope(SourceLocation Loc, Scope *S);
|
|
virtual void ActOnTranslationUnitScope(SourceLocation Loc, Scope *S);
|
|
|
|
/// ParsedFreeStandingDeclSpec - This method is invoked when a declspec with
|
|
/// no declarator (e.g. "struct foo;") is parsed.
|
|
virtual DeclPtrTy ParsedFreeStandingDeclSpec(Scope *S, AccessSpecifier AS,
|
|
DeclSpec &DS);
|
|
|
|
virtual DeclPtrTy BuildAnonymousStructOrUnion(Scope *S, DeclSpec &DS,
|
|
AccessSpecifier AS,
|
|
RecordDecl *Record);
|
|
|
|
bool isAcceptableTagRedeclaration(const TagDecl *Previous,
|
|
TagDecl::TagKind NewTag,
|
|
SourceLocation NewTagLoc,
|
|
const IdentifierInfo &Name);
|
|
|
|
virtual DeclPtrTy ActOnTag(Scope *S, unsigned TagSpec, TagUseKind TUK,
|
|
SourceLocation KWLoc, CXXScopeSpec &SS,
|
|
IdentifierInfo *Name, SourceLocation NameLoc,
|
|
AttributeList *Attr, AccessSpecifier AS,
|
|
MultiTemplateParamsArg TemplateParameterLists,
|
|
bool &OwnedDecl, bool &IsDependent);
|
|
|
|
virtual TypeResult ActOnDependentTag(Scope *S,
|
|
unsigned TagSpec,
|
|
TagUseKind TUK,
|
|
const CXXScopeSpec &SS,
|
|
IdentifierInfo *Name,
|
|
SourceLocation TagLoc,
|
|
SourceLocation NameLoc);
|
|
|
|
virtual void ActOnDefs(Scope *S, DeclPtrTy TagD, SourceLocation DeclStart,
|
|
IdentifierInfo *ClassName,
|
|
llvm::SmallVectorImpl<DeclPtrTy> &Decls);
|
|
virtual DeclPtrTy ActOnField(Scope *S, DeclPtrTy TagD,
|
|
SourceLocation DeclStart,
|
|
Declarator &D, ExprTy *BitfieldWidth);
|
|
|
|
FieldDecl *HandleField(Scope *S, RecordDecl *TagD, SourceLocation DeclStart,
|
|
Declarator &D, Expr *BitfieldWidth,
|
|
AccessSpecifier AS);
|
|
|
|
FieldDecl *CheckFieldDecl(DeclarationName Name, QualType T,
|
|
TypeSourceInfo *TInfo,
|
|
RecordDecl *Record, SourceLocation Loc,
|
|
bool Mutable, Expr *BitfieldWidth,
|
|
SourceLocation TSSL,
|
|
AccessSpecifier AS, NamedDecl *PrevDecl,
|
|
Declarator *D = 0);
|
|
|
|
enum CXXSpecialMember {
|
|
CXXInvalid = -1,
|
|
CXXConstructor = 0,
|
|
CXXCopyConstructor = 1,
|
|
CXXCopyAssignment = 2,
|
|
CXXDestructor = 3
|
|
};
|
|
void DiagnoseNontrivial(const RecordType* Record, CXXSpecialMember mem);
|
|
CXXSpecialMember getSpecialMember(const CXXMethodDecl *MD);
|
|
|
|
virtual DeclPtrTy ActOnIvar(Scope *S, SourceLocation DeclStart,
|
|
DeclPtrTy IntfDecl,
|
|
Declarator &D, ExprTy *BitfieldWidth,
|
|
tok::ObjCKeywordKind visibility);
|
|
|
|
// This is used for both record definitions and ObjC interface declarations.
|
|
virtual void ActOnFields(Scope* S,
|
|
SourceLocation RecLoc, DeclPtrTy TagDecl,
|
|
DeclPtrTy *Fields, unsigned NumFields,
|
|
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).
|
|
virtual void ActOnTagStartDefinition(Scope *S, DeclPtrTy TagDecl);
|
|
|
|
/// ActOnStartCXXMemberDeclarations - Invoked when we have parsed a
|
|
/// C++ record definition's base-specifiers clause and are starting its
|
|
/// member declarations.
|
|
virtual void ActOnStartCXXMemberDeclarations(Scope *S, DeclPtrTy TagDecl,
|
|
SourceLocation LBraceLoc);
|
|
|
|
/// ActOnTagFinishDefinition - Invoked once we have finished parsing
|
|
/// the definition of a tag (enumeration, class, struct, or union).
|
|
virtual void ActOnTagFinishDefinition(Scope *S, DeclPtrTy TagDecl,
|
|
SourceLocation RBraceLoc);
|
|
|
|
/// ActOnTagDefinitionError - Invoked when there was an unrecoverable
|
|
/// error parsing the definition of a tag.
|
|
virtual void ActOnTagDefinitionError(Scope *S, DeclPtrTy TagDecl);
|
|
|
|
EnumConstantDecl *CheckEnumConstant(EnumDecl *Enum,
|
|
EnumConstantDecl *LastEnumConst,
|
|
SourceLocation IdLoc,
|
|
IdentifierInfo *Id,
|
|
ExprArg val);
|
|
|
|
virtual DeclPtrTy ActOnEnumConstant(Scope *S, DeclPtrTy EnumDecl,
|
|
DeclPtrTy LastEnumConstant,
|
|
SourceLocation IdLoc, IdentifierInfo *Id,
|
|
SourceLocation EqualLoc, ExprTy *Val);
|
|
virtual void ActOnEnumBody(SourceLocation EnumLoc, SourceLocation LBraceLoc,
|
|
SourceLocation RBraceLoc, DeclPtrTy EnumDecl,
|
|
DeclPtrTy *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);
|
|
|
|
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.
|
|
bool isDeclInScope(NamedDecl *&D, DeclContext *Ctx, Scope *S = 0);
|
|
|
|
/// Finds the scope corresponding to the given decl context, if it
|
|
/// happens to be an enclosing scope. Otherwise return NULL.
|
|
Scope *getScopeForDeclContext(Scope *S, DeclContext *DC) {
|
|
DeclContext *TargetDC = DC->getPrimaryContext();
|
|
do {
|
|
if (DeclContext *ScopeDC = (DeclContext*) S->getEntity())
|
|
if (ScopeDC->getPrimaryContext() == TargetDC)
|
|
return S;
|
|
} while ((S = S->getParent()));
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/// Subroutines of ActOnDeclarator().
|
|
TypedefDecl *ParseTypedefDecl(Scope *S, Declarator &D, QualType T,
|
|
TypeSourceInfo *TInfo);
|
|
void MergeTypeDefDecl(TypedefDecl *New, LookupResult &OldDecls);
|
|
bool MergeFunctionDecl(FunctionDecl *New, Decl *Old);
|
|
bool MergeCompatibleFunctionDecls(FunctionDecl *New, FunctionDecl *Old);
|
|
void MergeVarDecl(VarDecl *New, LookupResult &OldDecls);
|
|
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);
|
|
|
|
bool TryImplicitConversion(InitializationSequence &Sequence,
|
|
const InitializedEntity &Entity,
|
|
Expr *From,
|
|
bool SuppressUserConversions,
|
|
bool AllowExplicit,
|
|
bool InOverloadResolution);
|
|
|
|
ImplicitConversionSequence
|
|
TryImplicitConversion(Expr* From, QualType ToType,
|
|
bool SuppressUserConversions,
|
|
bool AllowExplicit,
|
|
bool InOverloadResolution);
|
|
bool IsStandardConversion(Expr *From, QualType ToType,
|
|
bool InOverloadResolution,
|
|
StandardConversionSequence& SCS);
|
|
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 FunctionArgTypesAreEqual (FunctionProtoType* OldType,
|
|
FunctionProtoType* NewType);
|
|
|
|
bool CheckPointerConversion(Expr *From, QualType ToType,
|
|
CastExpr::CastKind &Kind,
|
|
CXXBaseSpecifierArray& BasePath,
|
|
bool IgnoreBaseAccess);
|
|
bool IsMemberPointerConversion(Expr *From, QualType FromType, QualType ToType,
|
|
bool InOverloadResolution,
|
|
QualType &ConvertedType);
|
|
bool CheckMemberPointerConversion(Expr *From, QualType ToType,
|
|
CastExpr::CastKind &Kind,
|
|
CXXBaseSpecifierArray &BasePath,
|
|
bool IgnoreBaseAccess);
|
|
bool IsQualificationConversion(QualType FromType, QualType ToType);
|
|
OverloadingResult IsUserDefinedConversion(Expr *From, QualType ToType,
|
|
UserDefinedConversionSequence& User,
|
|
OverloadCandidateSet& Conversions,
|
|
bool AllowExplicit);
|
|
bool DiagnoseMultipleUserDefinedConversion(Expr *From, QualType ToType);
|
|
|
|
|
|
ImplicitConversionSequence::CompareKind
|
|
CompareImplicitConversionSequences(const ImplicitConversionSequence& ICS1,
|
|
const ImplicitConversionSequence& ICS2);
|
|
|
|
ImplicitConversionSequence::CompareKind
|
|
CompareStandardConversionSequences(const StandardConversionSequence& SCS1,
|
|
const StandardConversionSequence& SCS2);
|
|
|
|
ImplicitConversionSequence::CompareKind
|
|
CompareQualificationConversions(const StandardConversionSequence& SCS1,
|
|
const StandardConversionSequence& SCS2);
|
|
|
|
ImplicitConversionSequence::CompareKind
|
|
CompareDerivedToBaseConversions(const StandardConversionSequence& SCS1,
|
|
const StandardConversionSequence& SCS2);
|
|
|
|
OwningExprResult PerformCopyInitialization(const InitializedEntity &Entity,
|
|
SourceLocation EqualLoc,
|
|
OwningExprResult Init);
|
|
ImplicitConversionSequence
|
|
TryObjectArgumentInitialization(QualType FromType, CXXMethodDecl *Method,
|
|
CXXRecordDecl *ActingContext);
|
|
bool PerformObjectArgumentInitialization(Expr *&From,
|
|
NestedNameSpecifier *Qualifier,
|
|
NamedDecl *FoundDecl,
|
|
CXXMethodDecl *Method);
|
|
|
|
ImplicitConversionSequence TryContextuallyConvertToBool(Expr *From);
|
|
bool PerformContextuallyConvertToBool(Expr *&From);
|
|
|
|
ImplicitConversionSequence TryContextuallyConvertToObjCId(Expr *From);
|
|
bool PerformContextuallyConvertToObjCId(Expr *&From);
|
|
|
|
OwningExprResult
|
|
ConvertToIntegralOrEnumerationType(SourceLocation Loc, ExprArg FromE,
|
|
const PartialDiagnostic &NotIntDiag,
|
|
const PartialDiagnostic &IncompleteDiag,
|
|
const PartialDiagnostic &ExplicitConvDiag,
|
|
const PartialDiagnostic &ExplicitConvNote,
|
|
const PartialDiagnostic &AmbigDiag,
|
|
const PartialDiagnostic &AmbigNote,
|
|
const PartialDiagnostic &ConvDiag);
|
|
|
|
bool 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 **Args, unsigned NumArgs,
|
|
OverloadCandidateSet& CandidateSet,
|
|
bool SuppressUserConversion = false);
|
|
void AddMethodCandidate(CXXMethodDecl *Method,
|
|
DeclAccessPair FoundDecl,
|
|
CXXRecordDecl *ActingContext, QualType ObjectType,
|
|
Expr **Args, unsigned NumArgs,
|
|
OverloadCandidateSet& CandidateSet,
|
|
bool SuppressUserConversions = false);
|
|
void AddMethodTemplateCandidate(FunctionTemplateDecl *MethodTmpl,
|
|
DeclAccessPair FoundDecl,
|
|
CXXRecordDecl *ActingContext,
|
|
const TemplateArgumentListInfo *ExplicitTemplateArgs,
|
|
QualType ObjectType,
|
|
Expr **Args, unsigned NumArgs,
|
|
OverloadCandidateSet& CandidateSet,
|
|
bool SuppressUserConversions = false);
|
|
void AddTemplateOverloadCandidate(FunctionTemplateDecl *FunctionTemplate,
|
|
DeclAccessPair FoundDecl,
|
|
const 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,
|
|
QualType ObjectTy, 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,
|
|
const TemplateArgumentListInfo *ExplicitTemplateArgs,
|
|
OverloadCandidateSet& CandidateSet,
|
|
bool PartialOverloading = false);
|
|
bool isBetterOverloadCandidate(const OverloadCandidate& Cand1,
|
|
const OverloadCandidate& Cand2,
|
|
SourceLocation Loc);
|
|
OverloadingResult BestViableFunction(OverloadCandidateSet& CandidateSet,
|
|
SourceLocation Loc,
|
|
OverloadCandidateSet::iterator& Best);
|
|
|
|
enum OverloadCandidateDisplayKind {
|
|
/// Requests that all candidates be shown. Viable candidates will
|
|
/// be printed first.
|
|
OCD_AllCandidates,
|
|
|
|
/// Requests that only viable candidates be shown.
|
|
OCD_ViableCandidates
|
|
};
|
|
void PrintOverloadCandidates(OverloadCandidateSet& CandidateSet,
|
|
OverloadCandidateDisplayKind OCD,
|
|
Expr **Args, unsigned NumArgs,
|
|
const char *Opc = 0,
|
|
SourceLocation Loc = SourceLocation());
|
|
|
|
void NoteOverloadCandidate(FunctionDecl *Fn);
|
|
void DiagnoseAmbiguousConversion(const ImplicitConversionSequence &ICS,
|
|
SourceLocation CaretLoc,
|
|
const PartialDiagnostic &PDiag);
|
|
|
|
FunctionDecl *ResolveAddressOfOverloadedFunction(Expr *From, QualType ToType,
|
|
bool Complain,
|
|
DeclAccessPair &Found);
|
|
FunctionDecl *ResolveSingleFunctionTemplateSpecialization(Expr *From);
|
|
|
|
Expr *FixOverloadedFunctionReference(Expr *E,
|
|
DeclAccessPair FoundDecl,
|
|
FunctionDecl *Fn);
|
|
OwningExprResult FixOverloadedFunctionReference(OwningExprResult,
|
|
DeclAccessPair FoundDecl,
|
|
FunctionDecl *Fn);
|
|
|
|
void AddOverloadedCallCandidates(UnresolvedLookupExpr *ULE,
|
|
Expr **Args, unsigned NumArgs,
|
|
OverloadCandidateSet &CandidateSet,
|
|
bool PartialOverloading = false);
|
|
|
|
OwningExprResult BuildOverloadedCallExpr(Scope *S, Expr *Fn,
|
|
UnresolvedLookupExpr *ULE,
|
|
SourceLocation LParenLoc,
|
|
Expr **Args, unsigned NumArgs,
|
|
SourceLocation *CommaLocs,
|
|
SourceLocation RParenLoc);
|
|
|
|
OwningExprResult CreateOverloadedUnaryOp(SourceLocation OpLoc,
|
|
unsigned Opc,
|
|
const UnresolvedSetImpl &Fns,
|
|
ExprArg input);
|
|
|
|
OwningExprResult CreateOverloadedBinOp(SourceLocation OpLoc,
|
|
unsigned Opc,
|
|
const UnresolvedSetImpl &Fns,
|
|
Expr *LHS, Expr *RHS);
|
|
|
|
OwningExprResult CreateOverloadedArraySubscriptExpr(SourceLocation LLoc,
|
|
SourceLocation RLoc,
|
|
ExprArg Base,ExprArg Idx);
|
|
|
|
OwningExprResult
|
|
BuildCallToMemberFunction(Scope *S, Expr *MemExpr,
|
|
SourceLocation LParenLoc, Expr **Args,
|
|
unsigned NumArgs, SourceLocation *CommaLocs,
|
|
SourceLocation RParenLoc);
|
|
ExprResult
|
|
BuildCallToObjectOfClassType(Scope *S, Expr *Object, SourceLocation LParenLoc,
|
|
Expr **Args, unsigned NumArgs,
|
|
SourceLocation *CommaLocs,
|
|
SourceLocation RParenLoc);
|
|
|
|
OwningExprResult BuildOverloadedArrowExpr(Scope *S, ExprArg 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(FunctionDecl *FD);
|
|
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,
|
|
/// 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
|
|
};
|
|
|
|
/// \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);
|
|
|
|
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);
|
|
DeclContext::lookup_result LookupConstructors(CXXRecordDecl *Class);
|
|
CXXDestructorDecl *LookupDestructor(CXXRecordDecl *Class);
|
|
|
|
void ArgumentDependentLookup(DeclarationName Name, bool Operator,
|
|
Expr **Args, unsigned NumArgs,
|
|
ADLResult &Functions);
|
|
|
|
void LookupVisibleDecls(Scope *S, LookupNameKind Kind,
|
|
VisibleDeclConsumer &Consumer);
|
|
void LookupVisibleDecls(DeclContext *Ctx, LookupNameKind Kind,
|
|
VisibleDeclConsumer &Consumer);
|
|
|
|
/// \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 The receiver of an Objective-C message send within an
|
|
/// Objective-C method where 'super' is a valid keyword.
|
|
CTC_ObjCMessageReceiver
|
|
};
|
|
|
|
DeclarationName CorrectTypo(LookupResult &R, Scope *S, CXXScopeSpec *SS,
|
|
DeclContext *MemberContext = 0,
|
|
bool EnteringContext = false,
|
|
CorrectTypoContext CTC = CTC_Unknown,
|
|
const ObjCObjectPointerType *OPT = 0);
|
|
|
|
void FindAssociatedClassesAndNamespaces(Expr **Args, unsigned NumArgs,
|
|
AssociatedNamespaceSet &AssociatedNamespaces,
|
|
AssociatedClassSet &AssociatedClasses);
|
|
|
|
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);
|
|
void ProcessDeclAttributeList(Scope *S, Decl *D, const AttributeList *AL);
|
|
|
|
void WarnUndefinedMethod(SourceLocation ImpLoc, ObjCMethodDecl *method,
|
|
bool &IncompleteImpl, unsigned DiagID);
|
|
void WarnConflictingTypedMethods(ObjCMethodDecl *ImpMethod,
|
|
ObjCMethodDecl *IntfMethod);
|
|
|
|
bool isPropertyReadonly(ObjCPropertyDecl *PropertyDecl,
|
|
ObjCInterfaceDecl *IDecl);
|
|
|
|
/// 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 llvm::DenseSet<Selector> &InsMap,
|
|
const llvm::DenseSet<Selector> &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 llvm::DenseSet<Selector>& InsMap);
|
|
|
|
/// DefaultSynthesizeProperties - This routine default synthesizes all
|
|
/// properties which must be synthesized in class's @implementation.
|
|
void DefaultSynthesizeProperties (Scope *S, ObjCImplDecl* IMPDecl,
|
|
ObjCInterfaceDecl *IDecl);
|
|
|
|
/// 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.
|
|
DeclPtrTy HandlePropertyInClassExtension(Scope *S,
|
|
ObjCCategoryDecl *CDecl,
|
|
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 DiagnoseDuplicateIvars(ObjCInterfaceDecl *ID, ObjCInterfaceDecl *SID);
|
|
|
|
/// MatchTwoMethodDeclarations - Checks if two methods' type match and returns
|
|
/// true, or false, accordingly.
|
|
bool MatchTwoMethodDeclarations(const ObjCMethodDecl *Method,
|
|
const ObjCMethodDecl *PrevMethod,
|
|
bool matchBasedOnSizeAndAlignment = false);
|
|
|
|
/// MatchAllMethodDeclarations - Check methods declaraed in interface or
|
|
/// or protocol against those declared in their implementations.
|
|
void MatchAllMethodDeclarations(const llvm::DenseSet<Selector> &InsMap,
|
|
const llvm::DenseSet<Selector> &ClsMap,
|
|
llvm::DenseSet<Selector> &InsMapSeen,
|
|
llvm::DenseSet<Selector> &ClsMapSeen,
|
|
ObjCImplDecl* IMPDecl,
|
|
ObjCContainerDecl* IDecl,
|
|
bool &IncompleteImpl,
|
|
bool ImmediateClass);
|
|
|
|
/// 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);
|
|
|
|
/// LookupInstanceMethodInGlobalPool - Returns the method and warns if
|
|
/// there are multiple signatures.
|
|
ObjCMethodDecl *LookupInstanceMethodInGlobalPool(Selector Sel, SourceRange R,
|
|
bool warn=true);
|
|
|
|
/// LookupFactoryMethodInGlobalPool - Returns the method and warns if
|
|
/// there are multiple signatures.
|
|
ObjCMethodDecl *LookupFactoryMethodInGlobalPool(Selector Sel, SourceRange R);
|
|
|
|
/// AddFactoryMethodToGlobalPool - Same as above, but for factory methods.
|
|
void AddFactoryMethodToGlobalPool(ObjCMethodDecl *Method);
|
|
|
|
/// CollectIvarsToConstructOrDestruct - Collect those ivars which require
|
|
/// initialization.
|
|
void CollectIvarsToConstructOrDestruct(const ObjCInterfaceDecl *OI,
|
|
llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars);
|
|
//===--------------------------------------------------------------------===//
|
|
// Statement Parsing Callbacks: SemaStmt.cpp.
|
|
public:
|
|
virtual OwningStmtResult ActOnExprStmt(FullExprArg Expr);
|
|
|
|
virtual OwningStmtResult ActOnNullStmt(SourceLocation SemiLoc);
|
|
virtual OwningStmtResult ActOnCompoundStmt(SourceLocation L, SourceLocation R,
|
|
MultiStmtArg Elts,
|
|
bool isStmtExpr);
|
|
virtual OwningStmtResult ActOnDeclStmt(DeclGroupPtrTy Decl,
|
|
SourceLocation StartLoc,
|
|
SourceLocation EndLoc);
|
|
virtual void ActOnForEachDeclStmt(DeclGroupPtrTy Decl);
|
|
virtual OwningStmtResult ActOnCaseStmt(SourceLocation CaseLoc, ExprArg LHSVal,
|
|
SourceLocation DotDotDotLoc, ExprArg RHSVal,
|
|
SourceLocation ColonLoc);
|
|
virtual void ActOnCaseStmtBody(StmtTy *CaseStmt, StmtArg SubStmt);
|
|
|
|
virtual OwningStmtResult ActOnDefaultStmt(SourceLocation DefaultLoc,
|
|
SourceLocation ColonLoc,
|
|
StmtArg SubStmt, Scope *CurScope);
|
|
virtual OwningStmtResult ActOnLabelStmt(SourceLocation IdentLoc,
|
|
IdentifierInfo *II,
|
|
SourceLocation ColonLoc,
|
|
StmtArg SubStmt);
|
|
virtual OwningStmtResult ActOnIfStmt(SourceLocation IfLoc,
|
|
FullExprArg CondVal, DeclPtrTy CondVar,
|
|
StmtArg ThenVal,
|
|
SourceLocation ElseLoc, StmtArg ElseVal);
|
|
virtual OwningStmtResult ActOnStartOfSwitchStmt(SourceLocation SwitchLoc,
|
|
ExprArg Cond,
|
|
DeclPtrTy CondVar);
|
|
virtual OwningStmtResult ActOnFinishSwitchStmt(SourceLocation SwitchLoc,
|
|
StmtArg Switch, StmtArg Body);
|
|
virtual OwningStmtResult ActOnWhileStmt(SourceLocation WhileLoc,
|
|
FullExprArg Cond,
|
|
DeclPtrTy CondVar, StmtArg Body);
|
|
virtual OwningStmtResult ActOnDoStmt(SourceLocation DoLoc, StmtArg Body,
|
|
SourceLocation WhileLoc,
|
|
SourceLocation CondLParen, ExprArg Cond,
|
|
SourceLocation CondRParen);
|
|
|
|
virtual OwningStmtResult ActOnForStmt(SourceLocation ForLoc,
|
|
SourceLocation LParenLoc,
|
|
StmtArg First, FullExprArg Second,
|
|
DeclPtrTy SecondVar,
|
|
FullExprArg Third,
|
|
SourceLocation RParenLoc,
|
|
StmtArg Body);
|
|
virtual OwningStmtResult ActOnObjCForCollectionStmt(SourceLocation ForColLoc,
|
|
SourceLocation LParenLoc,
|
|
StmtArg First, ExprArg Second,
|
|
SourceLocation RParenLoc, StmtArg Body);
|
|
|
|
virtual OwningStmtResult ActOnGotoStmt(SourceLocation GotoLoc,
|
|
SourceLocation LabelLoc,
|
|
IdentifierInfo *LabelII);
|
|
virtual OwningStmtResult ActOnIndirectGotoStmt(SourceLocation GotoLoc,
|
|
SourceLocation StarLoc,
|
|
ExprArg DestExp);
|
|
virtual OwningStmtResult ActOnContinueStmt(SourceLocation ContinueLoc,
|
|
Scope *CurScope);
|
|
virtual OwningStmtResult ActOnBreakStmt(SourceLocation GotoLoc,
|
|
Scope *CurScope);
|
|
|
|
virtual OwningStmtResult ActOnReturnStmt(SourceLocation ReturnLoc,
|
|
ExprArg RetValExp);
|
|
OwningStmtResult ActOnBlockReturnStmt(SourceLocation ReturnLoc,
|
|
Expr *RetValExp);
|
|
|
|
virtual OwningStmtResult ActOnAsmStmt(SourceLocation AsmLoc,
|
|
bool IsSimple,
|
|
bool IsVolatile,
|
|
unsigned NumOutputs,
|
|
unsigned NumInputs,
|
|
IdentifierInfo **Names,
|
|
MultiExprArg Constraints,
|
|
MultiExprArg Exprs,
|
|
ExprArg AsmString,
|
|
MultiExprArg Clobbers,
|
|
SourceLocation RParenLoc,
|
|
bool MSAsm = false);
|
|
|
|
|
|
VarDecl *BuildObjCExceptionDecl(TypeSourceInfo *TInfo, QualType ExceptionType,
|
|
IdentifierInfo *Name, SourceLocation NameLoc,
|
|
bool Invalid = false);
|
|
|
|
virtual DeclPtrTy ActOnObjCExceptionDecl(Scope *S, Declarator &D);
|
|
|
|
virtual OwningStmtResult ActOnObjCAtCatchStmt(SourceLocation AtLoc,
|
|
SourceLocation RParen,
|
|
DeclPtrTy Parm, StmtArg Body);
|
|
|
|
virtual OwningStmtResult ActOnObjCAtFinallyStmt(SourceLocation AtLoc,
|
|
StmtArg Body);
|
|
|
|
virtual OwningStmtResult ActOnObjCAtTryStmt(SourceLocation AtLoc,
|
|
StmtArg Try,
|
|
MultiStmtArg Catch,
|
|
StmtArg Finally);
|
|
|
|
virtual OwningStmtResult BuildObjCAtThrowStmt(SourceLocation AtLoc,
|
|
ExprArg Throw);
|
|
virtual OwningStmtResult ActOnObjCAtThrowStmt(SourceLocation AtLoc,
|
|
ExprArg Throw,
|
|
Scope *CurScope);
|
|
virtual OwningStmtResult ActOnObjCAtSynchronizedStmt(SourceLocation AtLoc,
|
|
ExprArg SynchExpr,
|
|
StmtArg SynchBody);
|
|
|
|
VarDecl *BuildExceptionDeclaration(Scope *S, QualType ExDeclType,
|
|
TypeSourceInfo *TInfo,
|
|
IdentifierInfo *Name,
|
|
SourceLocation Loc,
|
|
SourceRange Range);
|
|
virtual DeclPtrTy ActOnExceptionDeclarator(Scope *S, Declarator &D);
|
|
|
|
virtual OwningStmtResult ActOnCXXCatchBlock(SourceLocation CatchLoc,
|
|
DeclPtrTy ExDecl,
|
|
StmtArg HandlerBlock);
|
|
virtual OwningStmtResult ActOnCXXTryBlock(SourceLocation TryLoc,
|
|
StmtArg TryBlock,
|
|
MultiStmtArg Handlers);
|
|
void DiagnoseReturnInConstructorExceptionHandler(CXXTryStmt *TryBlock);
|
|
|
|
/// DiagnoseUnusedExprResult - If the statement passed in is an expression
|
|
/// whose result is unused, warn.
|
|
void DiagnoseUnusedExprResult(const Stmt *S);
|
|
void DiagnoseUnusedDecl(const NamedDecl *ND);
|
|
|
|
ParsingDeclStackState PushParsingDeclaration();
|
|
void PopParsingDeclaration(ParsingDeclStackState S, DeclPtrTy D);
|
|
void EmitDeprecationWarning(NamedDecl *D, SourceLocation Loc);
|
|
|
|
void HandleDelayedDeprecationCheck(DelayedDiagnostic &DD, Decl *Ctx);
|
|
|
|
//===--------------------------------------------------------------------===//
|
|
// Expression Parsing Callbacks: SemaExpr.cpp.
|
|
|
|
bool DiagnoseUseOfDecl(NamedDecl *D, SourceLocation Loc);
|
|
bool DiagnosePropertyAccessorMismatch(ObjCPropertyDecl *PD,
|
|
ObjCMethodDecl *Getter,
|
|
SourceLocation Loc);
|
|
void DiagnoseSentinelCalls(NamedDecl *D, SourceLocation Loc,
|
|
Expr **Args, unsigned NumArgs);
|
|
|
|
virtual void
|
|
PushExpressionEvaluationContext(ExpressionEvaluationContext NewContext);
|
|
|
|
virtual void PopExpressionEvaluationContext();
|
|
|
|
void MarkDeclarationReferenced(SourceLocation Loc, Decl *D);
|
|
void MarkDeclarationsReferencedInType(SourceLocation Loc, QualType T);
|
|
bool DiagRuntimeBehavior(SourceLocation Loc, const PartialDiagnostic &PD);
|
|
|
|
// Primary Expressions.
|
|
virtual SourceRange getExprRange(ExprTy *E) const;
|
|
|
|
virtual OwningExprResult ActOnIdExpression(Scope *S,
|
|
CXXScopeSpec &SS,
|
|
UnqualifiedId &Name,
|
|
bool HasTrailingLParen,
|
|
bool IsAddressOfOperand);
|
|
|
|
bool DiagnoseEmptyLookup(Scope *S, CXXScopeSpec &SS, LookupResult &R,
|
|
CorrectTypoContext CTC = CTC_Unknown);
|
|
|
|
OwningExprResult LookupInObjCMethod(LookupResult &R,
|
|
Scope *S,
|
|
IdentifierInfo *II,
|
|
bool AllowBuiltinCreation=false);
|
|
|
|
OwningExprResult ActOnDependentIdExpression(const CXXScopeSpec &SS,
|
|
DeclarationName Name,
|
|
SourceLocation NameLoc,
|
|
bool isAddressOfOperand,
|
|
const TemplateArgumentListInfo *TemplateArgs);
|
|
|
|
OwningExprResult BuildDeclRefExpr(ValueDecl *D, QualType Ty,
|
|
SourceLocation Loc,
|
|
const CXXScopeSpec *SS = 0);
|
|
VarDecl *BuildAnonymousStructUnionMemberPath(FieldDecl *Field,
|
|
llvm::SmallVectorImpl<FieldDecl *> &Path);
|
|
OwningExprResult
|
|
BuildAnonymousStructUnionMemberReference(SourceLocation Loc,
|
|
FieldDecl *Field,
|
|
Expr *BaseObjectExpr = 0,
|
|
SourceLocation OpLoc = SourceLocation());
|
|
OwningExprResult BuildPossibleImplicitMemberExpr(const CXXScopeSpec &SS,
|
|
LookupResult &R,
|
|
const TemplateArgumentListInfo *TemplateArgs);
|
|
OwningExprResult BuildImplicitMemberExpr(const CXXScopeSpec &SS,
|
|
LookupResult &R,
|
|
const TemplateArgumentListInfo *TemplateArgs,
|
|
bool IsDefiniteInstance);
|
|
bool UseArgumentDependentLookup(const CXXScopeSpec &SS,
|
|
const LookupResult &R,
|
|
bool HasTrailingLParen);
|
|
|
|
OwningExprResult BuildQualifiedDeclarationNameExpr(CXXScopeSpec &SS,
|
|
DeclarationName Name,
|
|
SourceLocation NameLoc);
|
|
OwningExprResult BuildDependentDeclRefExpr(const CXXScopeSpec &SS,
|
|
DeclarationName Name,
|
|
SourceLocation NameLoc,
|
|
const TemplateArgumentListInfo *TemplateArgs);
|
|
|
|
OwningExprResult BuildDeclarationNameExpr(const CXXScopeSpec &SS,
|
|
LookupResult &R,
|
|
bool ADL);
|
|
OwningExprResult BuildDeclarationNameExpr(const CXXScopeSpec &SS,
|
|
SourceLocation Loc,
|
|
NamedDecl *D);
|
|
|
|
virtual OwningExprResult ActOnPredefinedExpr(SourceLocation Loc,
|
|
tok::TokenKind Kind);
|
|
virtual OwningExprResult ActOnNumericConstant(const Token &);
|
|
virtual OwningExprResult ActOnCharacterConstant(const Token &);
|
|
virtual OwningExprResult ActOnParenExpr(SourceLocation L, SourceLocation R,
|
|
ExprArg Val);
|
|
virtual OwningExprResult ActOnParenOrParenListExpr(SourceLocation L,
|
|
SourceLocation R,
|
|
MultiExprArg Val,
|
|
TypeTy *TypeOfCast=0);
|
|
|
|
/// ActOnStringLiteral - The specified tokens were lexed as pasted string
|
|
/// fragments (e.g. "foo" "bar" L"baz").
|
|
virtual OwningExprResult ActOnStringLiteral(const Token *Toks,
|
|
unsigned NumToks);
|
|
|
|
// Binary/Unary Operators. 'Tok' is the token for the operator.
|
|
OwningExprResult CreateBuiltinUnaryOp(SourceLocation OpLoc,
|
|
unsigned OpcIn,
|
|
ExprArg InputArg);
|
|
OwningExprResult BuildUnaryOp(Scope *S, SourceLocation OpLoc,
|
|
UnaryOperator::Opcode Opc, ExprArg input);
|
|
virtual OwningExprResult ActOnUnaryOp(Scope *S, SourceLocation OpLoc,
|
|
tok::TokenKind Op, ExprArg Input);
|
|
|
|
OwningExprResult CreateSizeOfAlignOfExpr(TypeSourceInfo *T,
|
|
SourceLocation OpLoc,
|
|
bool isSizeOf, SourceRange R);
|
|
OwningExprResult CreateSizeOfAlignOfExpr(Expr *E, SourceLocation OpLoc,
|
|
bool isSizeOf, SourceRange R);
|
|
virtual OwningExprResult
|
|
ActOnSizeOfAlignOfExpr(SourceLocation OpLoc, bool isSizeof, bool isType,
|
|
void *TyOrEx, const SourceRange &ArgRange);
|
|
|
|
bool CheckAlignOfExpr(Expr *E, SourceLocation OpLoc, const SourceRange &R);
|
|
bool CheckSizeOfAlignOfOperand(QualType type, SourceLocation OpLoc,
|
|
const SourceRange &R, bool isSizeof);
|
|
|
|
virtual OwningExprResult ActOnPostfixUnaryOp(Scope *S, SourceLocation OpLoc,
|
|
tok::TokenKind Kind,
|
|
ExprArg Input);
|
|
|
|
virtual OwningExprResult ActOnArraySubscriptExpr(Scope *S, ExprArg Base,
|
|
SourceLocation LLoc,
|
|
ExprArg Idx,
|
|
SourceLocation RLoc);
|
|
OwningExprResult CreateBuiltinArraySubscriptExpr(ExprArg Base,
|
|
SourceLocation LLoc,
|
|
ExprArg Idx,
|
|
SourceLocation RLoc);
|
|
|
|
OwningExprResult BuildMemberReferenceExpr(ExprArg Base,
|
|
QualType BaseType,
|
|
SourceLocation OpLoc,
|
|
bool IsArrow,
|
|
CXXScopeSpec &SS,
|
|
NamedDecl *FirstQualifierInScope,
|
|
DeclarationName Name,
|
|
SourceLocation NameLoc,
|
|
const TemplateArgumentListInfo *TemplateArgs);
|
|
|
|
OwningExprResult BuildMemberReferenceExpr(ExprArg Base,
|
|
QualType BaseType,
|
|
SourceLocation OpLoc, bool IsArrow,
|
|
const CXXScopeSpec &SS,
|
|
NamedDecl *FirstQualifierInScope,
|
|
LookupResult &R,
|
|
const TemplateArgumentListInfo *TemplateArgs,
|
|
bool SuppressQualifierCheck = false);
|
|
|
|
OwningExprResult LookupMemberExpr(LookupResult &R, Expr *&Base,
|
|
bool &IsArrow, SourceLocation OpLoc,
|
|
CXXScopeSpec &SS,
|
|
DeclPtrTy ObjCImpDecl,
|
|
bool HasTemplateArgs);
|
|
|
|
bool CheckQualifiedMemberReference(Expr *BaseExpr, QualType BaseType,
|
|
const CXXScopeSpec &SS,
|
|
const LookupResult &R);
|
|
|
|
OwningExprResult ActOnDependentMemberExpr(ExprArg Base,
|
|
QualType BaseType,
|
|
bool IsArrow,
|
|
SourceLocation OpLoc,
|
|
const CXXScopeSpec &SS,
|
|
NamedDecl *FirstQualifierInScope,
|
|
DeclarationName Name,
|
|
SourceLocation NameLoc,
|
|
const TemplateArgumentListInfo *TemplateArgs);
|
|
|
|
virtual OwningExprResult ActOnMemberAccessExpr(Scope *S, ExprArg Base,
|
|
SourceLocation OpLoc,
|
|
tok::TokenKind OpKind,
|
|
CXXScopeSpec &SS,
|
|
UnqualifiedId &Member,
|
|
DeclPtrTy ObjCImpDecl,
|
|
bool HasTrailingLParen);
|
|
|
|
virtual void ActOnDefaultCtorInitializers(DeclPtrTy CDtorDecl);
|
|
bool ConvertArgumentsForCall(CallExpr *Call, Expr *Fn,
|
|
FunctionDecl *FDecl,
|
|
const FunctionProtoType *Proto,
|
|
Expr **Args, unsigned NumArgs,
|
|
SourceLocation RParenLoc);
|
|
|
|
/// 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.
|
|
virtual OwningExprResult ActOnCallExpr(Scope *S, ExprArg Fn,
|
|
SourceLocation LParenLoc,
|
|
MultiExprArg Args,
|
|
SourceLocation *CommaLocs,
|
|
SourceLocation RParenLoc);
|
|
OwningExprResult BuildResolvedCallExpr(Expr *Fn,
|
|
NamedDecl *NDecl,
|
|
SourceLocation LParenLoc,
|
|
Expr **Args, unsigned NumArgs,
|
|
SourceLocation RParenLoc);
|
|
|
|
virtual OwningExprResult ActOnCastExpr(Scope *S, SourceLocation LParenLoc,
|
|
TypeTy *Ty, SourceLocation RParenLoc,
|
|
ExprArg Op);
|
|
OwningExprResult BuildCStyleCastExpr(SourceLocation LParenLoc,
|
|
TypeSourceInfo *Ty,
|
|
SourceLocation RParenLoc,
|
|
ExprArg Op);
|
|
|
|
virtual bool TypeIsVectorType(TypeTy *Ty) {
|
|
return GetTypeFromParser(Ty)->isVectorType();
|
|
}
|
|
|
|
OwningExprResult MaybeConvertParenListExprToParenExpr(Scope *S, ExprArg ME);
|
|
OwningExprResult ActOnCastOfParenListExpr(Scope *S, SourceLocation LParenLoc,
|
|
SourceLocation RParenLoc, ExprArg E,
|
|
TypeSourceInfo *TInfo);
|
|
|
|
virtual OwningExprResult ActOnCompoundLiteral(SourceLocation LParenLoc,
|
|
TypeTy *Ty,
|
|
SourceLocation RParenLoc,
|
|
ExprArg Op);
|
|
|
|
OwningExprResult BuildCompoundLiteralExpr(SourceLocation LParenLoc,
|
|
TypeSourceInfo *TInfo,
|
|
SourceLocation RParenLoc,
|
|
ExprArg InitExpr);
|
|
|
|
virtual OwningExprResult ActOnInitList(SourceLocation LParenLoc,
|
|
MultiExprArg InitList,
|
|
SourceLocation RParenLoc);
|
|
|
|
virtual OwningExprResult ActOnDesignatedInitializer(Designation &Desig,
|
|
SourceLocation Loc,
|
|
bool GNUSyntax,
|
|
OwningExprResult Init);
|
|
|
|
virtual OwningExprResult ActOnBinOp(Scope *S, SourceLocation TokLoc,
|
|
tok::TokenKind Kind,
|
|
ExprArg LHS, ExprArg RHS);
|
|
OwningExprResult BuildBinOp(Scope *S, SourceLocation OpLoc,
|
|
BinaryOperator::Opcode Opc,
|
|
Expr *lhs, Expr *rhs);
|
|
OwningExprResult CreateBuiltinBinOp(SourceLocation TokLoc,
|
|
unsigned Opc, Expr *lhs, Expr *rhs);
|
|
|
|
/// ActOnConditionalOp - Parse a ?: operation. Note that 'LHS' may be null
|
|
/// in the case of a the GNU conditional expr extension.
|
|
virtual OwningExprResult ActOnConditionalOp(SourceLocation QuestionLoc,
|
|
SourceLocation ColonLoc,
|
|
ExprArg Cond, ExprArg LHS,
|
|
ExprArg RHS);
|
|
|
|
/// ActOnAddrLabel - Parse the GNU address of label extension: "&&foo".
|
|
virtual OwningExprResult ActOnAddrLabel(SourceLocation OpLoc,
|
|
SourceLocation LabLoc,
|
|
IdentifierInfo *LabelII);
|
|
|
|
virtual OwningExprResult ActOnStmtExpr(SourceLocation LPLoc, StmtArg SubStmt,
|
|
SourceLocation RPLoc); // "({..})"
|
|
|
|
/// __builtin_offsetof(type, a.b[123][456].c)
|
|
OwningExprResult BuildBuiltinOffsetOf(SourceLocation BuiltinLoc,
|
|
TypeSourceInfo *TInfo,
|
|
OffsetOfComponent *CompPtr,
|
|
unsigned NumComponents,
|
|
SourceLocation RParenLoc);
|
|
virtual OwningExprResult ActOnBuiltinOffsetOf(Scope *S,
|
|
SourceLocation BuiltinLoc,
|
|
SourceLocation TypeLoc,
|
|
TypeTy *Arg1,
|
|
OffsetOfComponent *CompPtr,
|
|
unsigned NumComponents,
|
|
SourceLocation RParenLoc);
|
|
|
|
// __builtin_types_compatible_p(type1, type2)
|
|
virtual OwningExprResult ActOnTypesCompatibleExpr(SourceLocation BuiltinLoc,
|
|
TypeTy *arg1, TypeTy *arg2,
|
|
SourceLocation RPLoc);
|
|
|
|
// __builtin_choose_expr(constExpr, expr1, expr2)
|
|
virtual OwningExprResult ActOnChooseExpr(SourceLocation BuiltinLoc,
|
|
ExprArg cond, ExprArg expr1,
|
|
ExprArg expr2, SourceLocation RPLoc);
|
|
|
|
// __builtin_va_arg(expr, type)
|
|
virtual OwningExprResult ActOnVAArg(SourceLocation BuiltinLoc,
|
|
ExprArg expr, TypeTy *type,
|
|
SourceLocation RPLoc);
|
|
|
|
// __null
|
|
virtual OwningExprResult ActOnGNUNullExpr(SourceLocation TokenLoc);
|
|
|
|
//===------------------------- "Block" Extension ------------------------===//
|
|
|
|
/// ActOnBlockStart - This callback is invoked when a block literal is
|
|
/// started.
|
|
virtual void ActOnBlockStart(SourceLocation CaretLoc, Scope *CurScope);
|
|
|
|
/// ActOnBlockArguments - This callback allows processing of block arguments.
|
|
/// If there are no arguments, this is still invoked.
|
|
virtual 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.
|
|
virtual void ActOnBlockError(SourceLocation CaretLoc, Scope *CurScope);
|
|
|
|
/// ActOnBlockStmtExpr - This is called when the body of a block statement
|
|
/// literal was successfully completed. ^(int x){...}
|
|
virtual OwningExprResult ActOnBlockStmtExpr(SourceLocation CaretLoc,
|
|
StmtArg Body, Scope *CurScope);
|
|
|
|
//===---------------------------- C++ Features --------------------------===//
|
|
|
|
// Act on C++ namespaces
|
|
virtual DeclPtrTy ActOnStartNamespaceDef(Scope *S, SourceLocation IdentLoc,
|
|
IdentifierInfo *Ident,
|
|
SourceLocation LBrace,
|
|
AttributeList *AttrList);
|
|
virtual void ActOnFinishNamespaceDef(DeclPtrTy Dcl, SourceLocation RBrace);
|
|
|
|
NamespaceDecl *getStdNamespace();
|
|
virtual DeclPtrTy ActOnUsingDirective(Scope *CurScope,
|
|
SourceLocation UsingLoc,
|
|
SourceLocation NamespcLoc,
|
|
CXXScopeSpec &SS,
|
|
SourceLocation IdentLoc,
|
|
IdentifierInfo *NamespcName,
|
|
AttributeList *AttrList);
|
|
|
|
void PushUsingDirective(Scope *S, UsingDirectiveDecl *UDir);
|
|
|
|
virtual DeclPtrTy 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,
|
|
SourceLocation IdentLoc,
|
|
DeclarationName Name,
|
|
AttributeList *AttrList,
|
|
bool IsInstantiation,
|
|
bool IsTypeName,
|
|
SourceLocation TypenameLoc);
|
|
|
|
virtual DeclPtrTy ActOnUsingDeclaration(Scope *CurScope,
|
|
AccessSpecifier AS,
|
|
bool HasUsingKeyword,
|
|
SourceLocation UsingLoc,
|
|
CXXScopeSpec &SS,
|
|
UnqualifiedId &Name,
|
|
AttributeList *AttrList,
|
|
bool IsTypeName,
|
|
SourceLocation TypenameLoc);
|
|
|
|
/// AddCXXDirectInitializerToDecl - This action is called immediately after
|
|
/// ActOnDeclarator, when a C++ direct initializer is present.
|
|
/// e.g: "int x(1);"
|
|
virtual void AddCXXDirectInitializerToDecl(DeclPtrTy Dcl,
|
|
SourceLocation LParenLoc,
|
|
MultiExprArg Exprs,
|
|
SourceLocation *CommaLocs,
|
|
SourceLocation RParenLoc);
|
|
|
|
/// InitializeVarWithConstructor - Creates an CXXConstructExpr
|
|
/// and sets it as the initializer for the the passed in VarDecl.
|
|
bool InitializeVarWithConstructor(VarDecl *VD,
|
|
CXXConstructorDecl *Constructor,
|
|
MultiExprArg Exprs);
|
|
|
|
/// BuildCXXConstructExpr - Creates a complete call to a constructor,
|
|
/// including handling of its default argument expressions.
|
|
OwningExprResult
|
|
BuildCXXConstructExpr(SourceLocation ConstructLoc, QualType DeclInitType,
|
|
CXXConstructorDecl *Constructor, MultiExprArg Exprs,
|
|
bool RequiresZeroInit = false,
|
|
CXXConstructExpr::ConstructionKind ConstructKind =
|
|
CXXConstructExpr::CK_Complete);
|
|
|
|
// FIXME: Can re remove this and have the above BuildCXXConstructExpr check if
|
|
// the constructor can be elidable?
|
|
OwningExprResult
|
|
BuildCXXConstructExpr(SourceLocation ConstructLoc, QualType DeclInitType,
|
|
CXXConstructorDecl *Constructor, bool Elidable,
|
|
MultiExprArg Exprs, bool RequiresZeroInit = false,
|
|
CXXConstructExpr::ConstructionKind ConstructKind =
|
|
CXXConstructExpr::CK_Complete);
|
|
|
|
/// BuildCXXDefaultArgExpr - Creates a CXXDefaultArgExpr, instantiating
|
|
/// the default expr if needed.
|
|
OwningExprResult BuildCXXDefaultArgExpr(SourceLocation CallLoc,
|
|
FunctionDecl *FD,
|
|
ParmVarDecl *Param);
|
|
|
|
/// FinalizeVarWithDestructor - Prepare for calling destructor on the
|
|
/// constructed variable.
|
|
void FinalizeVarWithDestructor(VarDecl *VD, const RecordType *DeclInitType);
|
|
|
|
/// \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 Declare the implicit copy constructor for the given class.
|
|
///
|
|
/// \param S The scope of the class, which may be NULL if this is a
|
|
/// template instantiation.
|
|
///
|
|
/// \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,
|
|
unsigned TypeQuals);
|
|
|
|
/// \brief Declare the implicit copy assignment operator for the given class.
|
|
///
|
|
/// \param S The scope of the class, which may be NULL if this is a
|
|
/// template instantiation.
|
|
///
|
|
/// \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 Defined an implicitly-declared copy assignment operator.
|
|
void DefineImplicitCopyAssignment(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.
|
|
OwningExprResult MaybeBindToTemporary(Expr *E);
|
|
|
|
bool CompleteConstructorCall(CXXConstructorDecl *Constructor,
|
|
MultiExprArg ArgsPtr,
|
|
SourceLocation Loc,
|
|
ASTOwningVector<&ActionBase::DeleteExpr> &ConvertedArgs);
|
|
|
|
virtual TypeTy *getDestructorName(SourceLocation TildeLoc,
|
|
IdentifierInfo &II, SourceLocation NameLoc,
|
|
Scope *S, CXXScopeSpec &SS,
|
|
TypeTy *ObjectType,
|
|
bool EnteringContext);
|
|
|
|
/// ActOnCXXNamedCast - Parse {dynamic,static,reinterpret,const}_cast's.
|
|
virtual OwningExprResult ActOnCXXNamedCast(SourceLocation OpLoc,
|
|
tok::TokenKind Kind,
|
|
SourceLocation LAngleBracketLoc,
|
|
TypeTy *Ty,
|
|
SourceLocation RAngleBracketLoc,
|
|
SourceLocation LParenLoc,
|
|
ExprArg E,
|
|
SourceLocation RParenLoc);
|
|
|
|
OwningExprResult BuildCXXNamedCast(SourceLocation OpLoc,
|
|
tok::TokenKind Kind,
|
|
TypeSourceInfo *Ty,
|
|
ExprArg E,
|
|
SourceRange AngleBrackets,
|
|
SourceRange Parens);
|
|
|
|
OwningExprResult BuildCXXTypeId(QualType TypeInfoType,
|
|
SourceLocation TypeidLoc,
|
|
TypeSourceInfo *Operand,
|
|
SourceLocation RParenLoc);
|
|
OwningExprResult BuildCXXTypeId(QualType TypeInfoType,
|
|
SourceLocation TypeidLoc,
|
|
ExprArg Operand,
|
|
SourceLocation RParenLoc);
|
|
|
|
/// ActOnCXXTypeid - Parse typeid( something ).
|
|
virtual OwningExprResult ActOnCXXTypeid(SourceLocation OpLoc,
|
|
SourceLocation LParenLoc, bool isType,
|
|
void *TyOrExpr,
|
|
SourceLocation RParenLoc);
|
|
|
|
//// ActOnCXXThis - Parse 'this' pointer.
|
|
virtual OwningExprResult ActOnCXXThis(SourceLocation ThisLoc);
|
|
|
|
/// ActOnCXXBoolLiteral - Parse {true,false} literals.
|
|
virtual OwningExprResult ActOnCXXBoolLiteral(SourceLocation OpLoc,
|
|
tok::TokenKind Kind);
|
|
|
|
/// ActOnCXXNullPtrLiteral - Parse 'nullptr'.
|
|
virtual OwningExprResult ActOnCXXNullPtrLiteral(SourceLocation Loc);
|
|
|
|
//// ActOnCXXThrow - Parse throw expressions.
|
|
virtual OwningExprResult ActOnCXXThrow(SourceLocation OpLoc,
|
|
ExprArg expr);
|
|
bool CheckCXXThrowOperand(SourceLocation ThrowLoc, Expr *&E);
|
|
|
|
/// 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()").
|
|
virtual OwningExprResult ActOnCXXTypeConstructExpr(SourceRange TypeRange,
|
|
TypeTy *TypeRep,
|
|
SourceLocation LParenLoc,
|
|
MultiExprArg Exprs,
|
|
SourceLocation *CommaLocs,
|
|
SourceLocation RParenLoc);
|
|
|
|
/// ActOnCXXNew - Parsed a C++ 'new' expression.
|
|
virtual OwningExprResult ActOnCXXNew(SourceLocation StartLoc, bool UseGlobal,
|
|
SourceLocation PlacementLParen,
|
|
MultiExprArg PlacementArgs,
|
|
SourceLocation PlacementRParen,
|
|
SourceRange TypeIdParens, Declarator &D,
|
|
SourceLocation ConstructorLParen,
|
|
MultiExprArg ConstructorArgs,
|
|
SourceLocation ConstructorRParen);
|
|
OwningExprResult BuildCXXNew(SourceLocation StartLoc, bool UseGlobal,
|
|
SourceLocation PlacementLParen,
|
|
MultiExprArg PlacementArgs,
|
|
SourceLocation PlacementRParen,
|
|
SourceRange TypeIdParens,
|
|
QualType AllocType,
|
|
SourceLocation TypeLoc,
|
|
SourceRange TypeRange,
|
|
ExprArg ArraySize,
|
|
SourceLocation ConstructorLParen,
|
|
MultiExprArg ConstructorArgs,
|
|
SourceLocation ConstructorRParen);
|
|
|
|
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);
|
|
void DeclareGlobalNewDelete();
|
|
void DeclareGlobalAllocationFunction(DeclarationName Name, QualType Return,
|
|
QualType Argument,
|
|
bool addMallocAttr = false);
|
|
|
|
bool FindDeallocationFunction(SourceLocation StartLoc, CXXRecordDecl *RD,
|
|
DeclarationName Name, FunctionDecl* &Operator);
|
|
|
|
/// ActOnCXXDelete - Parsed a C++ 'delete' expression
|
|
virtual OwningExprResult ActOnCXXDelete(SourceLocation StartLoc,
|
|
bool UseGlobal, bool ArrayForm,
|
|
ExprArg Operand);
|
|
|
|
virtual DeclResult ActOnCXXConditionDeclaration(Scope *S,
|
|
Declarator &D);
|
|
OwningExprResult CheckConditionVariable(VarDecl *ConditionVar,
|
|
SourceLocation StmtLoc,
|
|
bool ConvertToBoolean);
|
|
|
|
/// ActOnUnaryTypeTrait - Parsed one of the unary type trait support
|
|
/// pseudo-functions.
|
|
virtual OwningExprResult ActOnUnaryTypeTrait(UnaryTypeTrait OTT,
|
|
SourceLocation KWLoc,
|
|
SourceLocation LParen,
|
|
TypeTy *Ty,
|
|
SourceLocation RParen);
|
|
|
|
virtual OwningExprResult ActOnStartCXXMemberReference(Scope *S,
|
|
ExprArg Base,
|
|
SourceLocation OpLoc,
|
|
tok::TokenKind OpKind,
|
|
TypeTy *&ObjectType,
|
|
bool &MayBePseudoDestructor);
|
|
|
|
OwningExprResult DiagnoseDtorReference(SourceLocation NameLoc,
|
|
ExprArg MemExpr);
|
|
|
|
OwningExprResult BuildPseudoDestructorExpr(ExprArg Base,
|
|
SourceLocation OpLoc,
|
|
tok::TokenKind OpKind,
|
|
const CXXScopeSpec &SS,
|
|
TypeSourceInfo *ScopeType,
|
|
SourceLocation CCLoc,
|
|
SourceLocation TildeLoc,
|
|
PseudoDestructorTypeStorage DestroyedType,
|
|
bool HasTrailingLParen);
|
|
|
|
virtual OwningExprResult ActOnPseudoDestructorExpr(Scope *S, ExprArg Base,
|
|
SourceLocation OpLoc,
|
|
tok::TokenKind OpKind,
|
|
CXXScopeSpec &SS,
|
|
UnqualifiedId &FirstTypeName,
|
|
SourceLocation CCLoc,
|
|
SourceLocation TildeLoc,
|
|
UnqualifiedId &SecondTypeName,
|
|
bool HasTrailingLParen);
|
|
|
|
/// MaybeCreateCXXExprWithTemporaries - If the list of temporaries is
|
|
/// non-empty, will create a new CXXExprWithTemporaries expression.
|
|
/// Otherwise, just returs the passed in expression.
|
|
Expr *MaybeCreateCXXExprWithTemporaries(Expr *SubExpr);
|
|
OwningExprResult MaybeCreateCXXExprWithTemporaries(OwningExprResult SubExpr);
|
|
FullExpr CreateFullExpr(Expr *SubExpr);
|
|
|
|
virtual OwningExprResult ActOnFinishFullExpr(ExprArg Expr);
|
|
|
|
// 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);
|
|
|
|
/// ActOnCXXGlobalScopeSpecifier - Return the object that represents the
|
|
/// global scope ('::').
|
|
virtual CXXScopeTy *ActOnCXXGlobalScopeSpecifier(Scope *S,
|
|
SourceLocation CCLoc);
|
|
|
|
bool isAcceptableNestedNameSpecifier(NamedDecl *SD);
|
|
NamedDecl *FindFirstQualifierInScope(Scope *S, NestedNameSpecifier *NNS);
|
|
|
|
virtual bool isNonTypeNestedNameSpecifier(Scope *S, CXXScopeSpec &SS,
|
|
SourceLocation IdLoc,
|
|
IdentifierInfo &II,
|
|
TypeTy *ObjectType);
|
|
|
|
CXXScopeTy *BuildCXXNestedNameSpecifier(Scope *S,
|
|
CXXScopeSpec &SS,
|
|
SourceLocation IdLoc,
|
|
SourceLocation CCLoc,
|
|
IdentifierInfo &II,
|
|
QualType ObjectType,
|
|
NamedDecl *ScopeLookupResult,
|
|
bool EnteringContext,
|
|
bool ErrorRecoveryLookup);
|
|
|
|
virtual CXXScopeTy *ActOnCXXNestedNameSpecifier(Scope *S,
|
|
CXXScopeSpec &SS,
|
|
SourceLocation IdLoc,
|
|
SourceLocation CCLoc,
|
|
IdentifierInfo &II,
|
|
TypeTy *ObjectType,
|
|
bool EnteringContext);
|
|
|
|
virtual bool IsInvalidUnlessNestedName(Scope *S,
|
|
CXXScopeSpec &SS,
|
|
IdentifierInfo &II,
|
|
TypeTy *ObjectType,
|
|
bool EnteringContext);
|
|
|
|
/// ActOnCXXNestedNameSpecifier - Called during parsing of a
|
|
/// nested-name-specifier that involves a template-id, e.g.,
|
|
/// "foo::bar<int, float>::", and now we need to build a scope
|
|
/// specifier. \p SS is empty or the previously parsed nested-name
|
|
/// part ("foo::"), \p Type is the already-parsed class template
|
|
/// specialization (or other template-id that names a type), \p
|
|
/// TypeRange is the source range where the type is located, and \p
|
|
/// CCLoc is the location of the trailing '::'.
|
|
virtual CXXScopeTy *ActOnCXXNestedNameSpecifier(Scope *S,
|
|
const CXXScopeSpec &SS,
|
|
TypeTy *Type,
|
|
SourceRange TypeRange,
|
|
SourceLocation CCLoc);
|
|
|
|
virtual 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.
|
|
virtual 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.
|
|
virtual 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.
|
|
virtual void ActOnCXXEnterDeclInitializer(Scope *S, DeclPtrTy Dcl);
|
|
|
|
/// ActOnCXXExitDeclInitializer - Invoked after we are finished parsing an
|
|
/// initializer for the declaration 'Dcl'.
|
|
virtual void ActOnCXXExitDeclInitializer(Scope *S, DeclPtrTy Dcl);
|
|
|
|
// ParseObjCStringLiteral - Parse Objective-C string literals.
|
|
virtual ExprResult ParseObjCStringLiteral(SourceLocation *AtLocs,
|
|
ExprTy **Strings,
|
|
unsigned NumStrings);
|
|
|
|
Expr *BuildObjCEncodeExpression(SourceLocation AtLoc,
|
|
TypeSourceInfo *EncodedTypeInfo,
|
|
SourceLocation RParenLoc);
|
|
CXXMemberCallExpr *BuildCXXMemberCallExpr(Expr *Exp,
|
|
NamedDecl *FoundDecl,
|
|
CXXMethodDecl *Method);
|
|
|
|
virtual ExprResult ParseObjCEncodeExpression(SourceLocation AtLoc,
|
|
SourceLocation EncodeLoc,
|
|
SourceLocation LParenLoc,
|
|
TypeTy *Ty,
|
|
SourceLocation RParenLoc);
|
|
|
|
// ParseObjCSelectorExpression - Build selector expression for @selector
|
|
virtual ExprResult ParseObjCSelectorExpression(Selector Sel,
|
|
SourceLocation AtLoc,
|
|
SourceLocation SelLoc,
|
|
SourceLocation LParenLoc,
|
|
SourceLocation RParenLoc);
|
|
|
|
// ParseObjCProtocolExpression - Build protocol expression for @protocol
|
|
virtual ExprResult ParseObjCProtocolExpression(IdentifierInfo * ProtocolName,
|
|
SourceLocation AtLoc,
|
|
SourceLocation ProtoLoc,
|
|
SourceLocation LParenLoc,
|
|
SourceLocation RParenLoc);
|
|
|
|
//===--------------------------------------------------------------------===//
|
|
// C++ Declarations
|
|
//
|
|
virtual DeclPtrTy ActOnStartLinkageSpecification(Scope *S,
|
|
SourceLocation ExternLoc,
|
|
SourceLocation LangLoc,
|
|
llvm::StringRef Lang,
|
|
SourceLocation LBraceLoc);
|
|
virtual DeclPtrTy ActOnFinishLinkageSpecification(Scope *S,
|
|
DeclPtrTy LinkageSpec,
|
|
SourceLocation RBraceLoc);
|
|
|
|
|
|
//===--------------------------------------------------------------------===//
|
|
// C++ Classes
|
|
//
|
|
virtual bool isCurrentClassName(const IdentifierInfo &II, Scope *S,
|
|
const CXXScopeSpec *SS);
|
|
|
|
virtual DeclPtrTy ActOnAccessSpecifier(AccessSpecifier Access,
|
|
SourceLocation ASLoc,
|
|
SourceLocation ColonLoc);
|
|
|
|
virtual DeclPtrTy ActOnCXXMemberDeclarator(Scope *S, AccessSpecifier AS,
|
|
Declarator &D,
|
|
MultiTemplateParamsArg TemplateParameterLists,
|
|
ExprTy *BitfieldWidth,
|
|
ExprTy *Init, bool IsDefinition,
|
|
bool Deleted = false);
|
|
|
|
virtual MemInitResult ActOnMemInitializer(DeclPtrTy ConstructorD,
|
|
Scope *S,
|
|
CXXScopeSpec &SS,
|
|
IdentifierInfo *MemberOrBase,
|
|
TypeTy *TemplateTypeTy,
|
|
SourceLocation IdLoc,
|
|
SourceLocation LParenLoc,
|
|
ExprTy **Args, unsigned NumArgs,
|
|
SourceLocation *CommaLocs,
|
|
SourceLocation RParenLoc);
|
|
|
|
MemInitResult BuildMemberInitializer(FieldDecl *Member, Expr **Args,
|
|
unsigned NumArgs, SourceLocation IdLoc,
|
|
SourceLocation LParenLoc,
|
|
SourceLocation RParenLoc);
|
|
|
|
MemInitResult BuildBaseInitializer(QualType BaseType,
|
|
TypeSourceInfo *BaseTInfo,
|
|
Expr **Args, unsigned NumArgs,
|
|
SourceLocation LParenLoc,
|
|
SourceLocation RParenLoc,
|
|
CXXRecordDecl *ClassDecl);
|
|
|
|
bool SetBaseOrMemberInitializers(CXXConstructorDecl *Constructor,
|
|
CXXBaseOrMemberInitializer **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.
|
|
llvm::SmallVector<std::pair<CXXRecordDecl *, SourceLocation>, 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 A list of all of the dynamic classes in this translation
|
|
/// unit.
|
|
llvm::SmallVector<CXXRecordDecl *, 16> 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 virtual 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);
|
|
|
|
virtual void ActOnMemInitializers(DeclPtrTy ConstructorDecl,
|
|
SourceLocation ColonLoc,
|
|
MemInitTy **MemInits, unsigned NumMemInits,
|
|
bool AnyErrors);
|
|
|
|
void CheckCompletedCXXClass(CXXRecordDecl *Record);
|
|
virtual void ActOnFinishCXXMemberSpecification(Scope* S, SourceLocation RLoc,
|
|
DeclPtrTy TagDecl,
|
|
SourceLocation LBrac,
|
|
SourceLocation RBrac,
|
|
AttributeList *AttrList);
|
|
|
|
virtual void ActOnReenterTemplateScope(Scope *S, DeclPtrTy Template);
|
|
virtual void ActOnStartDelayedMemberDeclarations(Scope *S,
|
|
DeclPtrTy Record);
|
|
virtual void ActOnStartDelayedCXXMethodDeclaration(Scope *S,
|
|
DeclPtrTy Method);
|
|
virtual void ActOnDelayedCXXMethodParameter(Scope *S, DeclPtrTy Param);
|
|
virtual void ActOnFinishDelayedCXXMethodDeclaration(Scope *S,
|
|
DeclPtrTy Method);
|
|
virtual void ActOnFinishDelayedMemberDeclarations(Scope *S,
|
|
DeclPtrTy Record);
|
|
|
|
virtual DeclPtrTy ActOnStaticAssertDeclaration(SourceLocation AssertLoc,
|
|
ExprArg AssertExpr,
|
|
ExprArg AssertMessageExpr);
|
|
|
|
FriendDecl *CheckFriendTypeDecl(SourceLocation FriendLoc,
|
|
TypeSourceInfo *TSInfo);
|
|
DeclPtrTy ActOnFriendTypeDecl(Scope *S, const DeclSpec &DS,
|
|
MultiTemplateParamsArg TemplateParams);
|
|
DeclPtrTy ActOnFriendFunctionDecl(Scope *S, Declarator &D, bool IsDefinition,
|
|
MultiTemplateParamsArg TemplateParams);
|
|
|
|
QualType CheckConstructorDeclarator(Declarator &D, QualType R,
|
|
FunctionDecl::StorageClass& SC);
|
|
void CheckConstructor(CXXConstructorDecl *Constructor);
|
|
QualType CheckDestructorDeclarator(Declarator &D, QualType R,
|
|
FunctionDecl::StorageClass& SC);
|
|
bool CheckDestructor(CXXDestructorDecl *Destructor);
|
|
void CheckConversionDeclarator(Declarator &D, QualType &R,
|
|
FunctionDecl::StorageClass& SC);
|
|
DeclPtrTy ActOnConversionDeclarator(CXXConversionDecl *Conversion);
|
|
|
|
//===--------------------------------------------------------------------===//
|
|
// C++ Derived Classes
|
|
//
|
|
|
|
/// ActOnBaseSpecifier - Parsed a base specifier
|
|
CXXBaseSpecifier *CheckBaseSpecifier(CXXRecordDecl *Class,
|
|
SourceRange SpecifierRange,
|
|
bool Virtual, AccessSpecifier Access,
|
|
QualType BaseType,
|
|
SourceLocation BaseLoc);
|
|
|
|
/// SetClassDeclAttributesFromBase - Copies class decl traits
|
|
/// (such as whether the class has a trivial constructor,
|
|
/// trivial destructor etc) from the given base class.
|
|
void SetClassDeclAttributesFromBase(CXXRecordDecl *Class,
|
|
const CXXRecordDecl *BaseClass,
|
|
bool BaseIsVirtual);
|
|
|
|
virtual BaseResult ActOnBaseSpecifier(DeclPtrTy classdecl,
|
|
SourceRange SpecifierRange,
|
|
bool Virtual, AccessSpecifier Access,
|
|
TypeTy *basetype, SourceLocation
|
|
BaseLoc);
|
|
|
|
bool AttachBaseSpecifiers(CXXRecordDecl *Class, CXXBaseSpecifier **Bases,
|
|
unsigned NumBases);
|
|
virtual void ActOnBaseSpecifiers(DeclPtrTy ClassDecl, BaseTy **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,
|
|
CXXBaseSpecifierArray &BasePath);
|
|
|
|
bool BasePathInvolvesVirtualBase(const CXXBaseSpecifierArray &BasePath);
|
|
|
|
bool CheckDerivedToBaseConversion(QualType Derived, QualType Base,
|
|
SourceLocation Loc, SourceRange Range,
|
|
CXXBaseSpecifierArray *BasePath = 0,
|
|
bool IgnoreAccess = false);
|
|
bool CheckDerivedToBaseConversion(QualType Derived, QualType Base,
|
|
unsigned InaccessibleBaseID,
|
|
unsigned AmbigiousBaseConvID,
|
|
SourceLocation Loc, SourceRange Range,
|
|
DeclarationName Name,
|
|
CXXBaseSpecifierArray *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);
|
|
|
|
/// CheckOverridingFunctionAttributes - Checks whether attributes are
|
|
/// incompatible or prevent overriding.
|
|
bool CheckOverridingFunctionAttributes(const CXXMethodDecl *New,
|
|
const CXXMethodDecl *Old);
|
|
|
|
bool CheckPureMethod(CXXMethodDecl *Method, SourceRange InitRange);
|
|
|
|
//===--------------------------------------------------------------------===//
|
|
// 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);
|
|
AccessResult CheckConstructorAccess(SourceLocation Loc,
|
|
CXXConstructorDecl *D,
|
|
const InitializedEntity &Entity,
|
|
AccessSpecifier Access,
|
|
bool IsCopyBindingRefToTemp = false);
|
|
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);
|
|
|
|
void HandleDependentAccessCheck(const DependentDiagnostic &DD,
|
|
const MultiLevelTemplateArgumentList &TemplateArgs);
|
|
void PerformDependentDiagnostics(const DeclContext *Pattern,
|
|
const MultiLevelTemplateArgumentList &TemplateArgs);
|
|
|
|
void HandleDelayedAccessCheck(DelayedDiagnostic &DD, Decl *Ctx);
|
|
|
|
/// A flag to suppress access checking.
|
|
bool SuppressAccessChecking;
|
|
|
|
void ActOnStartSuppressingAccessChecks();
|
|
void ActOnStopSuppressingAccessChecks();
|
|
|
|
enum AbstractDiagSelID {
|
|
AbstractNone = -1,
|
|
AbstractReturnType,
|
|
AbstractParamType,
|
|
AbstractVariableType,
|
|
AbstractFieldType
|
|
};
|
|
|
|
bool RequireNonAbstractType(SourceLocation Loc, QualType T,
|
|
const PartialDiagnostic &PD,
|
|
const CXXRecordDecl *CurrentRD = 0);
|
|
|
|
bool RequireNonAbstractType(SourceLocation Loc, QualType T, unsigned DiagID,
|
|
AbstractDiagSelID SelID = AbstractNone,
|
|
const CXXRecordDecl *CurrentRD = 0);
|
|
|
|
//===--------------------------------------------------------------------===//
|
|
// C++ Overloaded Operators [C++ 13.5]
|
|
//
|
|
|
|
bool CheckOverloadedOperatorDeclaration(FunctionDecl *FnDecl);
|
|
|
|
bool CheckLiteralOperatorDeclaration(FunctionDecl *FnDecl);
|
|
|
|
//===--------------------------------------------------------------------===//
|
|
// C++ Templates [C++ 14]
|
|
//
|
|
void LookupTemplateName(LookupResult &R, Scope *S, CXXScopeSpec &SS,
|
|
QualType ObjectType, bool EnteringContext,
|
|
bool &MemberOfUnknownSpecialization);
|
|
|
|
virtual TemplateNameKind isTemplateName(Scope *S,
|
|
CXXScopeSpec &SS,
|
|
UnqualifiedId &Name,
|
|
TypeTy *ObjectType,
|
|
bool EnteringContext,
|
|
TemplateTy &Template,
|
|
bool &MemberOfUnknownSpecialization);
|
|
|
|
virtual bool DiagnoseUnknownTemplateName(const IdentifierInfo &II,
|
|
SourceLocation IILoc,
|
|
Scope *S,
|
|
const CXXScopeSpec *SS,
|
|
TemplateTy &SuggestedTemplate,
|
|
TemplateNameKind &SuggestedKind);
|
|
|
|
bool DiagnoseTemplateParameterShadow(SourceLocation Loc, Decl *PrevDecl);
|
|
TemplateDecl *AdjustDeclIfTemplate(DeclPtrTy &Decl);
|
|
|
|
virtual DeclPtrTy ActOnTypeParameter(Scope *S, bool Typename, bool Ellipsis,
|
|
SourceLocation EllipsisLoc,
|
|
SourceLocation KeyLoc,
|
|
IdentifierInfo *ParamName,
|
|
SourceLocation ParamNameLoc,
|
|
unsigned Depth, unsigned Position,
|
|
SourceLocation EqualLoc,
|
|
TypeTy *DefaultArg);
|
|
|
|
QualType CheckNonTypeTemplateParameterType(QualType T, SourceLocation Loc);
|
|
virtual DeclPtrTy ActOnNonTypeTemplateParameter(Scope *S, Declarator &D,
|
|
unsigned Depth,
|
|
unsigned Position,
|
|
SourceLocation EqualLoc,
|
|
ExprArg DefaultArg);
|
|
virtual DeclPtrTy ActOnTemplateTemplateParameter(Scope *S,
|
|
SourceLocation TmpLoc,
|
|
TemplateParamsTy *Params,
|
|
IdentifierInfo *ParamName,
|
|
SourceLocation ParamNameLoc,
|
|
unsigned Depth,
|
|
unsigned Position,
|
|
SourceLocation EqualLoc,
|
|
const ParsedTemplateArgument &DefaultArg);
|
|
|
|
virtual TemplateParamsTy *
|
|
ActOnTemplateParameterList(unsigned Depth,
|
|
SourceLocation ExportLoc,
|
|
SourceLocation TemplateLoc,
|
|
SourceLocation LAngleLoc,
|
|
DeclPtrTy *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
|
|
};
|
|
|
|
bool CheckTemplateParameterList(TemplateParameterList *NewParams,
|
|
TemplateParameterList *OldParams,
|
|
TemplateParamListContext TPC);
|
|
TemplateParameterList *
|
|
MatchTemplateParametersToScopeSpecifier(SourceLocation DeclStartLoc,
|
|
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);
|
|
|
|
void translateTemplateArguments(const ASTTemplateArgsPtr &In,
|
|
TemplateArgumentListInfo &Out);
|
|
|
|
QualType CheckTemplateIdType(TemplateName Template,
|
|
SourceLocation TemplateLoc,
|
|
const TemplateArgumentListInfo &TemplateArgs);
|
|
|
|
virtual TypeResult
|
|
ActOnTemplateIdType(TemplateTy Template, SourceLocation TemplateLoc,
|
|
SourceLocation LAngleLoc,
|
|
ASTTemplateArgsPtr TemplateArgs,
|
|
SourceLocation RAngleLoc);
|
|
|
|
virtual TypeResult ActOnTagTemplateIdType(TypeResult Type,
|
|
TagUseKind TUK,
|
|
DeclSpec::TST TagSpec,
|
|
SourceLocation TagLoc);
|
|
|
|
OwningExprResult BuildTemplateIdExpr(const CXXScopeSpec &SS,
|
|
LookupResult &R,
|
|
bool RequiresADL,
|
|
const TemplateArgumentListInfo &TemplateArgs);
|
|
OwningExprResult BuildQualifiedTemplateIdExpr(CXXScopeSpec &SS,
|
|
DeclarationName Name,
|
|
SourceLocation NameLoc,
|
|
const TemplateArgumentListInfo &TemplateArgs);
|
|
|
|
virtual TemplateNameKind ActOnDependentTemplateName(Scope *S,
|
|
SourceLocation TemplateKWLoc,
|
|
CXXScopeSpec &SS,
|
|
UnqualifiedId &Name,
|
|
TypeTy *ObjectType,
|
|
bool EnteringContext,
|
|
TemplateTy &Template);
|
|
|
|
bool CheckClassTemplatePartialSpecializationArgs(
|
|
TemplateParameterList *TemplateParams,
|
|
const TemplateArgumentListBuilder &TemplateArgs,
|
|
bool &MirrorsPrimaryTemplate);
|
|
|
|
virtual DeclResult
|
|
ActOnClassTemplateSpecialization(Scope *S, unsigned TagSpec, TagUseKind TUK,
|
|
SourceLocation KWLoc,
|
|
CXXScopeSpec &SS,
|
|
TemplateTy Template,
|
|
SourceLocation TemplateNameLoc,
|
|
SourceLocation LAngleLoc,
|
|
ASTTemplateArgsPtr TemplateArgs,
|
|
SourceLocation RAngleLoc,
|
|
AttributeList *Attr,
|
|
MultiTemplateParamsArg TemplateParameterLists);
|
|
|
|
virtual DeclPtrTy ActOnTemplateDeclarator(Scope *S,
|
|
MultiTemplateParamsArg TemplateParameterLists,
|
|
Declarator &D);
|
|
|
|
virtual DeclPtrTy 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,
|
|
const TemplateArgumentListInfo *ExplicitTemplateArgs,
|
|
LookupResult &Previous);
|
|
bool CheckMemberSpecialization(NamedDecl *Member, LookupResult &Previous);
|
|
|
|
virtual 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);
|
|
|
|
virtual DeclResult
|
|
ActOnExplicitInstantiation(Scope *S,
|
|
SourceLocation ExternLoc,
|
|
SourceLocation TemplateLoc,
|
|
unsigned TagSpec,
|
|
SourceLocation KWLoc,
|
|
CXXScopeSpec &SS,
|
|
IdentifierInfo *Name,
|
|
SourceLocation NameLoc,
|
|
AttributeList *Attr);
|
|
|
|
virtual DeclResult ActOnExplicitInstantiation(Scope *S,
|
|
SourceLocation ExternLoc,
|
|
SourceLocation TemplateLoc,
|
|
Declarator &D);
|
|
|
|
TemplateArgumentLoc
|
|
SubstDefaultTemplateArgumentIfAvailable(TemplateDecl *Template,
|
|
SourceLocation TemplateLoc,
|
|
SourceLocation RAngleLoc,
|
|
Decl *Param,
|
|
TemplateArgumentListBuilder &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,
|
|
TemplateDecl *Template,
|
|
SourceLocation TemplateLoc,
|
|
SourceLocation RAngleLoc,
|
|
TemplateArgumentListBuilder &Converted,
|
|
CheckTemplateArgumentKind CTAK = CTAK_Specified);
|
|
|
|
bool CheckTemplateArgumentList(TemplateDecl *Template,
|
|
SourceLocation TemplateLoc,
|
|
const TemplateArgumentListInfo &TemplateArgs,
|
|
bool PartialTemplateArgs,
|
|
TemplateArgumentListBuilder &Converted);
|
|
|
|
bool CheckTemplateTypeArgument(TemplateTypeParmDecl *Param,
|
|
const TemplateArgumentLoc &Arg,
|
|
TemplateArgumentListBuilder &Converted);
|
|
|
|
bool CheckTemplateArgument(TemplateTypeParmDecl *Param,
|
|
TypeSourceInfo *Arg);
|
|
bool CheckTemplateArgumentPointerToMember(Expr *Arg,
|
|
TemplateArgument &Converted);
|
|
bool CheckTemplateArgument(NonTypeTemplateParmDecl *Param,
|
|
QualType InstantiatedParamType, Expr *&Arg,
|
|
TemplateArgument &Converted,
|
|
CheckTemplateArgumentKind CTAK = CTAK_Specified);
|
|
bool CheckTemplateArgument(TemplateTemplateParmDecl *Param,
|
|
const TemplateArgumentLoc &Arg);
|
|
|
|
OwningExprResult
|
|
BuildExpressionFromDeclTemplateArgument(const TemplateArgument &Arg,
|
|
QualType ParamType,
|
|
SourceLocation Loc);
|
|
OwningExprResult
|
|
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.
|
|
virtual 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 Ty the type that the typename specifier refers to.
|
|
virtual TypeResult
|
|
ActOnTypenameType(Scope *S, SourceLocation TypenameLoc,
|
|
const CXXScopeSpec &SS, SourceLocation TemplateLoc,
|
|
TypeTy *Ty);
|
|
|
|
QualType CheckTypenameType(ElaboratedTypeKeyword Keyword,
|
|
NestedNameSpecifier *NNS,
|
|
const IdentifierInfo &II,
|
|
SourceLocation KeywordLoc,
|
|
SourceRange NNSRange,
|
|
SourceLocation IILoc);
|
|
|
|
TypeSourceInfo *RebuildTypeInCurrentInstantiation(TypeSourceInfo *T,
|
|
SourceLocation Loc,
|
|
DeclarationName Name);
|
|
bool RebuildNestedNameSpecifierInCurrentInstantiation(CXXScopeSpec &SS);
|
|
|
|
std::string
|
|
getTemplateArgumentBindingsText(const TemplateParameterList *Params,
|
|
const TemplateArgumentList &Args);
|
|
|
|
std::string
|
|
getTemplateArgumentBindingsText(const TemplateParameterList *Params,
|
|
const TemplateArgument *Args,
|
|
unsigned NumArgs);
|
|
|
|
/// \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_InconsistentQuals,
|
|
/// \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
|
|
};
|
|
|
|
/// \brief Provides information about an attempted template argument
|
|
/// deduction, whose success or failure was described by a
|
|
/// TemplateDeductionResult value.
|
|
class TemplateDeductionInfo {
|
|
/// \brief The context in which the template arguments are stored.
|
|
ASTContext &Context;
|
|
|
|
/// \brief The deduced template argument list.
|
|
///
|
|
TemplateArgumentList *Deduced;
|
|
|
|
/// \brief The source location at which template argument
|
|
/// deduction is occurring.
|
|
SourceLocation Loc;
|
|
|
|
// do not implement these
|
|
TemplateDeductionInfo(const TemplateDeductionInfo&);
|
|
TemplateDeductionInfo &operator=(const TemplateDeductionInfo&);
|
|
|
|
public:
|
|
TemplateDeductionInfo(ASTContext &Context, SourceLocation Loc)
|
|
: Context(Context), Deduced(0), Loc(Loc) { }
|
|
|
|
~TemplateDeductionInfo() {
|
|
// FIXME: if (Deduced) Deduced->Destroy(Context);
|
|
}
|
|
|
|
/// \brief Returns the location at which template argument is
|
|
/// occuring.
|
|
SourceLocation getLocation() const {
|
|
return Loc;
|
|
}
|
|
|
|
/// \brief Take ownership of the deduced template argument list.
|
|
TemplateArgumentList *take() {
|
|
TemplateArgumentList *Result = Deduced;
|
|
Deduced = 0;
|
|
return Result;
|
|
}
|
|
|
|
/// \brief Provide a new template argument list that contains the
|
|
/// results of template argument deduction.
|
|
void reset(TemplateArgumentList *NewDeduced) {
|
|
// FIXME: if (Deduced) Deduced->Destroy(Context);
|
|
Deduced = NewDeduced;
|
|
}
|
|
|
|
/// \brief The template parameter to which a template argument
|
|
/// deduction failure refers.
|
|
///
|
|
/// Depending on the result of template argument deduction, this
|
|
/// template parameter may have different meanings:
|
|
///
|
|
/// TDK_Incomplete: this is the first template parameter whose
|
|
/// corresponding template argument was not deduced.
|
|
///
|
|
/// TDK_Inconsistent: this is the template parameter for which
|
|
/// two different template argument values were deduced.
|
|
TemplateParameter Param;
|
|
|
|
/// \brief The first template argument to which the template
|
|
/// argument deduction failure refers.
|
|
///
|
|
/// Depending on the result of the template argument deduction,
|
|
/// this template argument may have different meanings:
|
|
///
|
|
/// TDK_Inconsistent: this argument is the first value deduced
|
|
/// for the corresponding template parameter.
|
|
///
|
|
/// TDK_SubstitutionFailure: this argument is the template
|
|
/// argument we were instantiating when we encountered an error.
|
|
///
|
|
/// TDK_NonDeducedMismatch: this is the template argument
|
|
/// provided in the source code.
|
|
TemplateArgument FirstArg;
|
|
|
|
/// \brief The second template argument to which the template
|
|
/// argument deduction failure refers.
|
|
///
|
|
/// FIXME: Finish documenting this.
|
|
TemplateArgument SecondArg;
|
|
};
|
|
|
|
TemplateDeductionResult
|
|
DeduceTemplateArguments(ClassTemplatePartialSpecializationDecl *Partial,
|
|
const TemplateArgumentList &TemplateArgs,
|
|
TemplateDeductionInfo &Info);
|
|
|
|
TemplateDeductionResult
|
|
SubstituteExplicitTemplateArguments(FunctionTemplateDecl *FunctionTemplate,
|
|
const TemplateArgumentListInfo &ExplicitTemplateArgs,
|
|
llvm::SmallVectorImpl<DeducedTemplateArgument> &Deduced,
|
|
llvm::SmallVectorImpl<QualType> &ParamTypes,
|
|
QualType *FunctionType,
|
|
TemplateDeductionInfo &Info);
|
|
|
|
TemplateDeductionResult
|
|
FinishTemplateArgumentDeduction(FunctionTemplateDecl *FunctionTemplate,
|
|
llvm::SmallVectorImpl<DeducedTemplateArgument> &Deduced,
|
|
unsigned NumExplicitlySpecified,
|
|
FunctionDecl *&Specialization,
|
|
TemplateDeductionInfo &Info);
|
|
|
|
TemplateDeductionResult
|
|
DeduceTemplateArguments(FunctionTemplateDecl *FunctionTemplate,
|
|
const TemplateArgumentListInfo *ExplicitTemplateArgs,
|
|
Expr **Args, unsigned NumArgs,
|
|
FunctionDecl *&Specialization,
|
|
TemplateDeductionInfo &Info);
|
|
|
|
TemplateDeductionResult
|
|
DeduceTemplateArguments(FunctionTemplateDecl *FunctionTemplate,
|
|
const TemplateArgumentListInfo *ExplicitTemplateArgs,
|
|
QualType ArgFunctionType,
|
|
FunctionDecl *&Specialization,
|
|
TemplateDeductionInfo &Info);
|
|
|
|
TemplateDeductionResult
|
|
DeduceTemplateArguments(FunctionTemplateDecl *FunctionTemplate,
|
|
QualType ToType,
|
|
CXXConversionDecl *&Specialization,
|
|
TemplateDeductionInfo &Info);
|
|
|
|
TemplateDeductionResult
|
|
DeduceTemplateArguments(FunctionTemplateDecl *FunctionTemplate,
|
|
const TemplateArgumentListInfo *ExplicitTemplateArgs,
|
|
FunctionDecl *&Specialization,
|
|
TemplateDeductionInfo &Info);
|
|
|
|
FunctionTemplateDecl *getMoreSpecializedTemplate(FunctionTemplateDecl *FT1,
|
|
FunctionTemplateDecl *FT2,
|
|
SourceLocation Loc,
|
|
TemplatePartialOrderingContext TPOC);
|
|
UnresolvedSetIterator getMostSpecialized(UnresolvedSetIterator SBegin,
|
|
UnresolvedSetIterator SEnd,
|
|
TemplatePartialOrderingContext TPOC,
|
|
SourceLocation Loc,
|
|
const PartialDiagnostic &NoneDiag,
|
|
const PartialDiagnostic &AmbigDiag,
|
|
const PartialDiagnostic &CandidateDiag);
|
|
|
|
ClassTemplatePartialSpecializationDecl *
|
|
getMoreSpecializedPartialSpecialization(
|
|
ClassTemplatePartialSpecializationDecl *PS1,
|
|
ClassTemplatePartialSpecializationDecl *PS2,
|
|
SourceLocation Loc);
|
|
|
|
void MarkUsedTemplateParameters(const TemplateArgumentList &TemplateArgs,
|
|
bool OnlyDeduced,
|
|
unsigned Depth,
|
|
llvm::SmallVectorImpl<bool> &Used);
|
|
void MarkDeducedTemplateParameters(FunctionTemplateDecl *FunctionTemplate,
|
|
llvm::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 in which we are performing the instantiation,
|
|
/// for substitutions of prior template arguments.
|
|
TemplateDecl *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 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) {}
|
|
|
|
/// \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.
|
|
llvm::SmallVector<ActiveTemplateInstantiation, 16>
|
|
ActiveTemplateInstantiations;
|
|
|
|
/// \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 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.
|
|
llvm::SmallVector<CallExpr *, 8> CallsUndergoingInstantiation;
|
|
|
|
/// \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,
|
|
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,
|
|
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,
|
|
TemplateDecl *Template,
|
|
NonTypeTemplateParmDecl *Param,
|
|
const TemplateArgument *TemplateArgs,
|
|
unsigned NumTemplateArgs,
|
|
SourceRange InstantiationRange);
|
|
|
|
InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation,
|
|
TemplateDecl *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 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.
|
|
///
|
|
/// When this routine returns true, the emission of most diagnostics
|
|
/// will be suppressed and there will be no local error recovery.
|
|
bool 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;
|
|
public:
|
|
explicit SFINAETrap(Sema &SemaRef)
|
|
: SemaRef(SemaRef), PrevSFINAEErrors(SemaRef.NumSFINAEErrors) { }
|
|
|
|
~SFINAETrap() { SemaRef.NumSFINAEErrors = PrevSFINAEErrors; }
|
|
|
|
/// \brief Determine whether any SFINAE errors have been trapped.
|
|
bool hasErrorOccurred() const {
|
|
return SemaRef.NumSFINAEErrors > PrevSFINAEErrors;
|
|
}
|
|
};
|
|
|
|
/// \brief RAII class that determines when any errors have occurred
|
|
/// between the time the instance was created and the time it was
|
|
/// queried.
|
|
class ErrorTrap {
|
|
Sema &SemaRef;
|
|
unsigned PrevErrors;
|
|
|
|
public:
|
|
explicit ErrorTrap(Sema &SemaRef)
|
|
: SemaRef(SemaRef), PrevErrors(SemaRef.getDiagnostics().getNumErrors()) {}
|
|
|
|
/// \brief Determine whether any errors have occurred since this
|
|
/// object instance was created.
|
|
bool hasErrorOccurred() const {
|
|
return SemaRef.getDiagnostics().getNumErrors() > PrevErrors;
|
|
}
|
|
};
|
|
|
|
/// \brief A stack-allocated class that identifies which local
|
|
/// variable declaration instantiations are present in this scope.
|
|
///
|
|
/// A new instance of this class type will be created whenever we
|
|
/// instantiate a new function declaration, which will have its own
|
|
/// set of parameter declarations.
|
|
class LocalInstantiationScope {
|
|
/// \brief Reference to the semantic analysis that is performing
|
|
/// this template instantiation.
|
|
Sema &SemaRef;
|
|
|
|
/// \brief A mapping from local declarations that occur
|
|
/// within a template to their instantiations.
|
|
///
|
|
/// This mapping is used during instantiation to keep track of,
|
|
/// e.g., function parameter and variable declarations. For example,
|
|
/// given:
|
|
///
|
|
/// \code
|
|
/// template<typename T> T add(T x, T y) { return x + y; }
|
|
/// \endcode
|
|
///
|
|
/// when we instantiate add<int>, we will introduce a mapping from
|
|
/// the ParmVarDecl for 'x' that occurs in the template to the
|
|
/// instantiated ParmVarDecl for 'x'.
|
|
llvm::DenseMap<const Decl *, Decl *> LocalDecls;
|
|
|
|
/// \brief The outer scope, which contains local variable
|
|
/// definitions from some other instantiation (that may not be
|
|
/// relevant to this particular scope).
|
|
LocalInstantiationScope *Outer;
|
|
|
|
/// \brief Whether we have already exited this scope.
|
|
bool Exited;
|
|
|
|
/// \brief Whether to combine this scope with the outer scope, such that
|
|
/// lookup will search our outer scope.
|
|
bool CombineWithOuterScope;
|
|
|
|
// This class is non-copyable
|
|
LocalInstantiationScope(const LocalInstantiationScope &);
|
|
LocalInstantiationScope &operator=(const LocalInstantiationScope &);
|
|
|
|
public:
|
|
LocalInstantiationScope(Sema &SemaRef, bool CombineWithOuterScope = false)
|
|
: SemaRef(SemaRef), Outer(SemaRef.CurrentInstantiationScope),
|
|
Exited(false), CombineWithOuterScope(CombineWithOuterScope)
|
|
{
|
|
SemaRef.CurrentInstantiationScope = this;
|
|
}
|
|
|
|
~LocalInstantiationScope() {
|
|
Exit();
|
|
}
|
|
|
|
/// \brief Exit this local instantiation scope early.
|
|
void Exit() {
|
|
if (Exited)
|
|
return;
|
|
|
|
SemaRef.CurrentInstantiationScope = Outer;
|
|
Exited = true;
|
|
}
|
|
|
|
Decl *getInstantiationOf(const Decl *D);
|
|
|
|
VarDecl *getInstantiationOf(const VarDecl *Var) {
|
|
return cast<VarDecl>(getInstantiationOf(cast<Decl>(Var)));
|
|
}
|
|
|
|
ParmVarDecl *getInstantiationOf(const ParmVarDecl *Var) {
|
|
return cast<ParmVarDecl>(getInstantiationOf(cast<Decl>(Var)));
|
|
}
|
|
|
|
NonTypeTemplateParmDecl *getInstantiationOf(
|
|
const NonTypeTemplateParmDecl *Var) {
|
|
return cast<NonTypeTemplateParmDecl>(getInstantiationOf(cast<Decl>(Var)));
|
|
}
|
|
|
|
void InstantiatedLocal(const Decl *D, Decl *Inst);
|
|
};
|
|
|
|
/// \brief The current instantiation scope used to store local
|
|
/// variables.
|
|
LocalInstantiationScope *CurrentInstantiationScope;
|
|
|
|
/// \brief The number of typos corrected by CorrectTypo.
|
|
unsigned TyposCorrected;
|
|
|
|
/// \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> PendingImplicitInstantiations;
|
|
|
|
/// \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 PerformPendingImplicitInstantiations(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 *SubstFunctionDeclType(TypeSourceInfo *T,
|
|
const MultiLevelTemplateArgumentList &TemplateArgs,
|
|
SourceLocation Loc,
|
|
DeclarationName Entity);
|
|
ParmVarDecl *SubstParmVarDecl(ParmVarDecl *D,
|
|
const MultiLevelTemplateArgumentList &TemplateArgs);
|
|
OwningExprResult SubstExpr(Expr *E,
|
|
const MultiLevelTemplateArgumentList &TemplateArgs);
|
|
|
|
OwningStmtResult 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);
|
|
|
|
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);
|
|
|
|
NestedNameSpecifier *
|
|
SubstNestedNameSpecifier(NestedNameSpecifier *NNS,
|
|
SourceRange Range,
|
|
const MultiLevelTemplateArgumentList &TemplateArgs);
|
|
|
|
TemplateName
|
|
SubstTemplateName(TemplateName Name, SourceLocation Loc,
|
|
const MultiLevelTemplateArgumentList &TemplateArgs);
|
|
bool Subst(const TemplateArgumentLoc &Arg, TemplateArgumentLoc &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);
|
|
|
|
NamedDecl *FindInstantiatedDecl(SourceLocation Loc, NamedDecl *D,
|
|
const MultiLevelTemplateArgumentList &TemplateArgs);
|
|
DeclContext *FindInstantiatedContext(SourceLocation Loc, DeclContext *DC,
|
|
const MultiLevelTemplateArgumentList &TemplateArgs);
|
|
|
|
// Objective-C declarations.
|
|
virtual DeclPtrTy ActOnStartClassInterface(SourceLocation AtInterfaceLoc,
|
|
IdentifierInfo *ClassName,
|
|
SourceLocation ClassLoc,
|
|
IdentifierInfo *SuperName,
|
|
SourceLocation SuperLoc,
|
|
const DeclPtrTy *ProtoRefs,
|
|
unsigned NumProtoRefs,
|
|
const SourceLocation *ProtoLocs,
|
|
SourceLocation EndProtoLoc,
|
|
AttributeList *AttrList);
|
|
|
|
virtual DeclPtrTy ActOnCompatiblityAlias(
|
|
SourceLocation AtCompatibilityAliasLoc,
|
|
IdentifierInfo *AliasName, SourceLocation AliasLocation,
|
|
IdentifierInfo *ClassName, SourceLocation ClassLocation);
|
|
|
|
void CheckForwardProtocolDeclarationForCircularDependency(
|
|
IdentifierInfo *PName,
|
|
SourceLocation &PLoc, SourceLocation PrevLoc,
|
|
const ObjCList<ObjCProtocolDecl> &PList);
|
|
|
|
virtual DeclPtrTy ActOnStartProtocolInterface(
|
|
SourceLocation AtProtoInterfaceLoc,
|
|
IdentifierInfo *ProtocolName, SourceLocation ProtocolLoc,
|
|
const DeclPtrTy *ProtoRefNames, unsigned NumProtoRefs,
|
|
const SourceLocation *ProtoLocs,
|
|
SourceLocation EndProtoLoc,
|
|
AttributeList *AttrList);
|
|
|
|
virtual DeclPtrTy ActOnStartCategoryInterface(SourceLocation AtInterfaceLoc,
|
|
IdentifierInfo *ClassName,
|
|
SourceLocation ClassLoc,
|
|
IdentifierInfo *CategoryName,
|
|
SourceLocation CategoryLoc,
|
|
const DeclPtrTy *ProtoRefs,
|
|
unsigned NumProtoRefs,
|
|
const SourceLocation *ProtoLocs,
|
|
SourceLocation EndProtoLoc);
|
|
|
|
virtual DeclPtrTy ActOnStartClassImplementation(
|
|
SourceLocation AtClassImplLoc,
|
|
IdentifierInfo *ClassName, SourceLocation ClassLoc,
|
|
IdentifierInfo *SuperClassname,
|
|
SourceLocation SuperClassLoc);
|
|
|
|
virtual DeclPtrTy ActOnStartCategoryImplementation(
|
|
SourceLocation AtCatImplLoc,
|
|
IdentifierInfo *ClassName,
|
|
SourceLocation ClassLoc,
|
|
IdentifierInfo *CatName,
|
|
SourceLocation CatLoc);
|
|
|
|
virtual DeclPtrTy ActOnForwardClassDeclaration(SourceLocation Loc,
|
|
IdentifierInfo **IdentList,
|
|
SourceLocation *IdentLocs,
|
|
unsigned NumElts);
|
|
|
|
virtual DeclPtrTy ActOnForwardProtocolDeclaration(SourceLocation AtProtoclLoc,
|
|
const IdentifierLocPair *IdentList,
|
|
unsigned NumElts,
|
|
AttributeList *attrList);
|
|
|
|
virtual void FindProtocolDeclaration(bool WarnOnDeclarations,
|
|
const IdentifierLocPair *ProtocolId,
|
|
unsigned NumProtocols,
|
|
llvm::SmallVectorImpl<DeclPtrTy> &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(DeclPtrTy PropertyPtrTy,
|
|
SourceLocation Loc,
|
|
unsigned &Attributes);
|
|
void ProcessPropertyDecl(ObjCPropertyDecl *property, ObjCContainerDecl *DC);
|
|
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, DeclPtrTy MergeProtocols);
|
|
|
|
void DiagnoseClassExtensionDupMethods(ObjCCategoryDecl *CAT,
|
|
ObjCInterfaceDecl *ID);
|
|
|
|
void MatchOneProtocolPropertiesInClass(Decl *CDecl,
|
|
ObjCProtocolDecl *PDecl);
|
|
|
|
virtual void ActOnAtEnd(Scope *S, SourceRange AtEnd,
|
|
DeclPtrTy classDecl,
|
|
DeclPtrTy *allMethods = 0, unsigned allNum = 0,
|
|
DeclPtrTy *allProperties = 0, unsigned pNum = 0,
|
|
DeclGroupPtrTy *allTUVars = 0, unsigned tuvNum = 0);
|
|
|
|
virtual DeclPtrTy ActOnProperty(Scope *S, SourceLocation AtLoc,
|
|
FieldDeclarator &FD, ObjCDeclSpec &ODS,
|
|
Selector GetterSel, Selector SetterSel,
|
|
DeclPtrTy ClassCategory,
|
|
bool *OverridingProperty,
|
|
tok::ObjCKeywordKind MethodImplKind);
|
|
|
|
virtual DeclPtrTy ActOnPropertyImplDecl(Scope *S,
|
|
SourceLocation AtLoc,
|
|
SourceLocation PropertyLoc,
|
|
bool ImplKind,DeclPtrTy ClassImplDecl,
|
|
IdentifierInfo *PropertyId,
|
|
IdentifierInfo *PropertyIvar);
|
|
|
|
virtual DeclPtrTy ActOnMethodDeclaration(
|
|
SourceLocation BeginLoc, // location of the + or -.
|
|
SourceLocation EndLoc, // location of the ; or {.
|
|
tok::TokenKind MethodType,
|
|
DeclPtrTy ClassDecl, ObjCDeclSpec &ReturnQT, TypeTy *ReturnType,
|
|
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 = false);
|
|
|
|
// 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);
|
|
|
|
OwningExprResult
|
|
HandleExprPropertyRefExpr(const ObjCObjectPointerType *OPT,
|
|
Expr *BaseExpr,
|
|
DeclarationName MemberName,
|
|
SourceLocation MemberLoc);
|
|
|
|
virtual OwningExprResult
|
|
ActOnClassPropertyRefExpr(IdentifierInfo &receiverName,
|
|
IdentifierInfo &propertyName,
|
|
SourceLocation receiverNameLoc,
|
|
SourceLocation propertyNameLoc);
|
|
|
|
virtual ObjCMessageKind getObjCMessageKind(Scope *S,
|
|
IdentifierInfo *Name,
|
|
SourceLocation NameLoc,
|
|
bool IsSuper,
|
|
bool HasTrailingDot,
|
|
TypeTy *&ReceiverType);
|
|
|
|
virtual OwningExprResult ActOnSuperMessage(Scope *S, SourceLocation SuperLoc,
|
|
Selector Sel,
|
|
SourceLocation LBracLoc,
|
|
SourceLocation SelectorLoc,
|
|
SourceLocation RBracLoc,
|
|
MultiExprArg Args);
|
|
|
|
OwningExprResult BuildClassMessage(TypeSourceInfo *ReceiverTypeInfo,
|
|
QualType ReceiverType,
|
|
SourceLocation SuperLoc,
|
|
Selector Sel,
|
|
ObjCMethodDecl *Method,
|
|
SourceLocation LBracLoc,
|
|
SourceLocation RBracLoc,
|
|
MultiExprArg Args);
|
|
|
|
virtual OwningExprResult ActOnClassMessage(Scope *S,
|
|
TypeTy *Receiver,
|
|
Selector Sel,
|
|
SourceLocation LBracLoc,
|
|
SourceLocation SelectorLoc,
|
|
SourceLocation RBracLoc,
|
|
MultiExprArg Args);
|
|
|
|
OwningExprResult BuildInstanceMessage(ExprArg Receiver,
|
|
QualType ReceiverType,
|
|
SourceLocation SuperLoc,
|
|
Selector Sel,
|
|
ObjCMethodDecl *Method,
|
|
SourceLocation LBracLoc,
|
|
SourceLocation RBracLoc,
|
|
MultiExprArg Args);
|
|
|
|
virtual OwningExprResult ActOnInstanceMessage(Scope *S,
|
|
ExprArg Receiver,
|
|
Selector Sel,
|
|
SourceLocation LBracLoc,
|
|
SourceLocation SelectorLoc,
|
|
SourceLocation RBracLoc,
|
|
MultiExprArg Args);
|
|
|
|
|
|
/// ActOnPragmaOptionsAlign - Called on well formed #pragma options align.
|
|
virtual void ActOnPragmaOptionsAlign(PragmaOptionsAlignKind Kind,
|
|
SourceLocation PragmaLoc,
|
|
SourceLocation KindLoc);
|
|
|
|
/// ActOnPragmaPack - Called on well formed #pragma pack(...).
|
|
virtual void ActOnPragmaPack(PragmaPackKind Kind,
|
|
IdentifierInfo *Name,
|
|
ExprTy *Alignment,
|
|
SourceLocation PragmaLoc,
|
|
SourceLocation LParenLoc,
|
|
SourceLocation RParenLoc);
|
|
|
|
/// ActOnPragmaUnused - Called on well-formed '#pragma unused'.
|
|
virtual void ActOnPragmaUnused(const Token *Identifiers,
|
|
unsigned NumIdentifiers, Scope *curScope,
|
|
SourceLocation PragmaLoc,
|
|
SourceLocation LParenLoc,
|
|
SourceLocation RParenLoc);
|
|
|
|
NamedDecl *DeclClonePragmaWeak(NamedDecl *ND, IdentifierInfo *II);
|
|
void DeclApplyPragmaWeak(Scope *S, NamedDecl *ND, WeakInfo &W);
|
|
|
|
/// ActOnPragmaWeakID - Called on well formed #pragma weak ident.
|
|
virtual void ActOnPragmaWeakID(IdentifierInfo* WeakName,
|
|
SourceLocation PragmaLoc,
|
|
SourceLocation WeakNameLoc);
|
|
|
|
/// ActOnPragmaWeakAlias - Called on well formed #pragma weak ident = ident.
|
|
virtual void ActOnPragmaWeakAlias(IdentifierInfo* WeakName,
|
|
IdentifierInfo* AliasName,
|
|
SourceLocation PragmaLoc,
|
|
SourceLocation WeakNameLoc,
|
|
SourceLocation AliasNameLoc);
|
|
|
|
/// AddAlignmentAttributesForRecord - Adds any needed alignment attributes to
|
|
/// a the record decl, to handle '#pragma pack' and '#pragma options align'.
|
|
void AddAlignmentAttributesForRecord(RecordDecl *RD);
|
|
|
|
/// FreePackedContext - Deallocate and null out PackContext.
|
|
void FreePackedContext();
|
|
|
|
/// AddAlignedAttr - Adds an aligned attribute to a particular declaration.
|
|
void AddAlignedAttr(SourceLocation AttrLoc, Decl *D, Expr *E);
|
|
|
|
/// 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.
|
|
void ImpCastExprToType(Expr *&Expr, QualType Type, CastExpr::CastKind Kind,
|
|
bool isLvalue = false,
|
|
CXXBaseSpecifierArray BasePath =
|
|
CXXBaseSpecifierArray());
|
|
|
|
// UsualUnaryConversions - promotes integers (C99 6.3.1.1p2) and converts
|
|
// functions and arrays to their respective pointers (C99 6.3.2.1).
|
|
Expr *UsualUnaryConversions(Expr *&expr);
|
|
|
|
// DefaultFunctionArrayConversion - converts functions and arrays
|
|
// to their respective pointers (C99 6.3.2.1).
|
|
void DefaultFunctionArrayConversion(Expr *&expr);
|
|
|
|
// DefaultFunctionArrayLvalueConversion - converts functions and
|
|
// arrays to their respective pointers and performs the
|
|
// lvalue-to-rvalue conversion.
|
|
void DefaultFunctionArrayLvalueConversion(Expr *&expr);
|
|
|
|
// 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.
|
|
void DefaultArgumentPromotion(Expr *&Expr);
|
|
|
|
// 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,
|
|
llvm::SmallVector<Expr *, 8> &AllArgs,
|
|
VariadicCallType CallType = VariadicDoesNotApply);
|
|
|
|
// DefaultVariadicArgumentPromotion - Like DefaultArgumentPromotion, but
|
|
// will warn if the resulting type is not a POD type.
|
|
bool DefaultVariadicArgumentPromotion(Expr *&Expr, 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(Expr *&lExpr, Expr *&rExpr,
|
|
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,
|
|
|
|
/// 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,
|
|
|
|
/// 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.
|
|
/// This routine is only used by the following two methods. C99 6.5.16.
|
|
AssignConvertType CheckAssignmentConstraints(QualType lhs, QualType rhs);
|
|
|
|
// CheckSingleAssignmentConstraints - Currently used by
|
|
// CheckAssignmentOperands, and ActOnReturnStmt. Prior to type checking,
|
|
// this routine performs the default function/array converions.
|
|
AssignConvertType CheckSingleAssignmentConstraints(QualType lhs,
|
|
Expr *&rExpr);
|
|
|
|
// \brief If the lhs type is a transparent union, check whether we
|
|
// can initialize the transparent union with the given expression.
|
|
AssignConvertType CheckTransparentUnionArgumentConstraints(QualType lhs,
|
|
Expr *&rExpr);
|
|
|
|
// Helper function for CheckAssignmentConstraints (C99 6.5.16.1p1)
|
|
AssignConvertType CheckPointerTypesForAssignment(QualType lhsType,
|
|
QualType rhsType);
|
|
|
|
AssignConvertType CheckObjCPointerTypesForAssignment(QualType lhsType,
|
|
QualType rhsType);
|
|
|
|
// Helper function for CheckAssignmentConstraints involving two
|
|
// block pointer types.
|
|
AssignConvertType CheckBlockPointerTypesForAssignment(QualType lhsType,
|
|
QualType rhsType);
|
|
|
|
bool IsStringLiteralToNonConstPointerConversion(Expr *From, QualType ToType);
|
|
|
|
bool CheckExceptionSpecCompatibility(Expr *From, QualType ToType);
|
|
|
|
bool PerformImplicitConversion(Expr *&From, QualType ToType,
|
|
AssignmentAction Action,
|
|
bool AllowExplicit = false);
|
|
bool PerformImplicitConversion(Expr *&From, QualType ToType,
|
|
AssignmentAction Action,
|
|
bool AllowExplicit,
|
|
ImplicitConversionSequence& ICS);
|
|
bool PerformImplicitConversion(Expr *&From, QualType ToType,
|
|
const ImplicitConversionSequence& ICS,
|
|
AssignmentAction Action,
|
|
bool IgnoreBaseAccess = false);
|
|
bool PerformImplicitConversion(Expr *&From, QualType ToType,
|
|
const StandardConversionSequence& SCS,
|
|
AssignmentAction Action,bool IgnoreBaseAccess);
|
|
|
|
/// 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 l, Expr *&lex, Expr *&rex);
|
|
QualType CheckPointerToMemberOperands( // C++ 5.5
|
|
Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isIndirect);
|
|
QualType CheckMultiplyDivideOperands( // C99 6.5.5
|
|
Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign,
|
|
bool isDivide);
|
|
QualType CheckRemainderOperands( // C99 6.5.5
|
|
Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false);
|
|
QualType CheckAdditionOperands( // C99 6.5.6
|
|
Expr *&lex, Expr *&rex, SourceLocation OpLoc, QualType* CompLHSTy = 0);
|
|
QualType CheckSubtractionOperands( // C99 6.5.6
|
|
Expr *&lex, Expr *&rex, SourceLocation OpLoc, QualType* CompLHSTy = 0);
|
|
QualType CheckShiftOperands( // C99 6.5.7
|
|
Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false);
|
|
QualType CheckCompareOperands( // C99 6.5.8/9
|
|
Expr *&lex, Expr *&rex, SourceLocation OpLoc, unsigned Opc,
|
|
bool isRelational);
|
|
QualType CheckBitwiseOperands( // C99 6.5.[10...12]
|
|
Expr *&lex, Expr *&rex, SourceLocation OpLoc, bool isCompAssign = false);
|
|
QualType CheckLogicalOperands( // C99 6.5.[13,14]
|
|
Expr *&lex, Expr *&rex, SourceLocation OpLoc, 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 *lex, Expr *&rex, SourceLocation OpLoc, QualType convertedType);
|
|
QualType CheckCommaOperands( // C99 6.5.17
|
|
Expr *lex, Expr *&rex, SourceLocation OpLoc);
|
|
QualType CheckConditionalOperands( // C99 6.5.15
|
|
Expr *&cond, Expr *&lhs, Expr *&rhs, SourceLocation questionLoc);
|
|
QualType CXXCheckConditionalOperands( // C++ 5.16
|
|
Expr *&cond, Expr *&lhs, Expr *&rhs, SourceLocation questionLoc);
|
|
QualType FindCompositePointerType(SourceLocation Loc, Expr *&E1, Expr *&E2,
|
|
bool *NonStandardCompositeType = 0);
|
|
|
|
QualType FindCompositeObjCPointerType(Expr *&LHS, Expr *&RHS,
|
|
SourceLocation questionLoc);
|
|
|
|
/// type checking for vector binary operators.
|
|
QualType CheckVectorOperands(SourceLocation l, Expr *&lex, Expr *&rex);
|
|
QualType CheckVectorCompareOperands(Expr *&lex, Expr *&rx,
|
|
SourceLocation l, bool isRel);
|
|
|
|
/// type checking unary operators (subroutines of ActOnUnaryOp).
|
|
/// C99 6.5.3.1, 6.5.3.2, 6.5.3.4
|
|
QualType CheckIncrementDecrementOperand(Expr *op, SourceLocation OpLoc,
|
|
bool isInc, bool isPrefix);
|
|
QualType CheckAddressOfOperand(Expr *op, SourceLocation OpLoc);
|
|
QualType CheckIndirectionOperand(Expr *op, SourceLocation OpLoc);
|
|
QualType CheckRealImagOperand(Expr *&Op, SourceLocation OpLoc, bool isReal);
|
|
|
|
/// type checking primary expressions.
|
|
QualType CheckExtVectorComponent(QualType baseType, SourceLocation OpLoc,
|
|
const IdentifierInfo *Comp,
|
|
SourceLocation CmpLoc);
|
|
|
|
/// type checking declaration initializers (C99 6.7.8)
|
|
bool CheckInitList(const InitializedEntity &Entity,
|
|
InitListExpr *&InitList, QualType &DeclType);
|
|
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);
|
|
|
|
/// CheckCastTypes - Check type constraints for casting between types under
|
|
/// C semantics, or forward to CXXCheckCStyleCast in C++.
|
|
bool CheckCastTypes(SourceRange TyRange, QualType CastTy, Expr *&CastExpr,
|
|
CastExpr::CastKind &Kind, CXXBaseSpecifierArray &BasePath,
|
|
bool FunctionalStyle = false);
|
|
|
|
// 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,
|
|
CastExpr::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 true if the cast is invalid
|
|
bool CheckExtVectorCast(SourceRange R, QualType VectorTy, Expr *&CastExpr,
|
|
CastExpr::CastKind &Kind);
|
|
|
|
/// CXXCheckCStyleCast - Check constraints of a C-style or function-style
|
|
/// cast under C++ semantics.
|
|
bool CXXCheckCStyleCast(SourceRange R, QualType CastTy, Expr *&CastExpr,
|
|
CastExpr::CastKind &Kind,
|
|
CXXBaseSpecifierArray &BasePath,
|
|
bool FunctionalStyle);
|
|
|
|
/// 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(Expr **Args, unsigned NumArgs, Selector Sel,
|
|
ObjCMethodDecl *Method, bool isClassMessage,
|
|
SourceLocation lbrac, SourceLocation rbrac,
|
|
QualType &ReturnType);
|
|
|
|
/// 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
|
|
bool CheckBooleanCondition(Expr *&CondExpr, SourceLocation Loc);
|
|
|
|
virtual OwningExprResult ActOnBooleanCondition(Scope *S, SourceLocation Loc,
|
|
ExprArg SubExpr);
|
|
|
|
/// DiagnoseAssignmentAsCondition - Given that an expression is
|
|
/// being used as a boolean condition, warn if it's an assignment.
|
|
void DiagnoseAssignmentAsCondition(Expr *E);
|
|
|
|
/// CheckCXXBooleanCondition - Returns true if conversion to bool is invalid.
|
|
bool 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);
|
|
|
|
void InitBuiltinVaListType();
|
|
|
|
/// 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);
|
|
|
|
/// \name Code completion
|
|
//@{
|
|
virtual void CodeCompleteOrdinaryName(Scope *S,
|
|
CodeCompletionContext CompletionContext);
|
|
virtual void CodeCompleteExpression(Scope *S, QualType T);
|
|
virtual void CodeCompleteMemberReferenceExpr(Scope *S, ExprTy *Base,
|
|
SourceLocation OpLoc,
|
|
bool IsArrow);
|
|
virtual void CodeCompleteTag(Scope *S, unsigned TagSpec);
|
|
virtual void CodeCompleteCase(Scope *S);
|
|
virtual void CodeCompleteCall(Scope *S, ExprTy *Fn,
|
|
ExprTy **Args, unsigned NumArgs);
|
|
virtual void CodeCompleteInitializer(Scope *S, DeclPtrTy D);
|
|
virtual void CodeCompleteReturn(Scope *S);
|
|
virtual void CodeCompleteAssignmentRHS(Scope *S, ExprTy *LHS);
|
|
|
|
virtual void CodeCompleteQualifiedId(Scope *S, CXXScopeSpec &SS,
|
|
bool EnteringContext);
|
|
virtual void CodeCompleteUsing(Scope *S);
|
|
virtual void CodeCompleteUsingDirective(Scope *S);
|
|
virtual void CodeCompleteNamespaceDecl(Scope *S);
|
|
virtual void CodeCompleteNamespaceAliasDecl(Scope *S);
|
|
virtual void CodeCompleteOperatorName(Scope *S);
|
|
|
|
virtual void CodeCompleteObjCAtDirective(Scope *S, DeclPtrTy ObjCImpDecl,
|
|
bool InInterface);
|
|
virtual void CodeCompleteObjCAtVisibility(Scope *S);
|
|
virtual void CodeCompleteObjCAtStatement(Scope *S);
|
|
virtual void CodeCompleteObjCAtExpression(Scope *S);
|
|
virtual void CodeCompleteObjCPropertyFlags(Scope *S, ObjCDeclSpec &ODS);
|
|
virtual void CodeCompleteObjCPropertyGetter(Scope *S, DeclPtrTy ClassDecl,
|
|
DeclPtrTy *Methods,
|
|
unsigned NumMethods);
|
|
virtual void CodeCompleteObjCPropertySetter(Scope *S, DeclPtrTy ClassDecl,
|
|
DeclPtrTy *Methods,
|
|
unsigned NumMethods);
|
|
virtual void CodeCompleteObjCMessageReceiver(Scope *S);
|
|
virtual void CodeCompleteObjCSuperMessage(Scope *S, SourceLocation SuperLoc,
|
|
IdentifierInfo **SelIdents,
|
|
unsigned NumSelIdents);
|
|
virtual void CodeCompleteObjCClassMessage(Scope *S, TypeTy *Receiver,
|
|
IdentifierInfo **SelIdents,
|
|
unsigned NumSelIdents);
|
|
virtual void CodeCompleteObjCInstanceMessage(Scope *S, ExprTy *Receiver,
|
|
IdentifierInfo **SelIdents,
|
|
unsigned NumSelIdents);
|
|
virtual void CodeCompleteObjCProtocolReferences(IdentifierLocPair *Protocols,
|
|
unsigned NumProtocols);
|
|
virtual void CodeCompleteObjCProtocolDecl(Scope *S);
|
|
virtual void CodeCompleteObjCInterfaceDecl(Scope *S);
|
|
virtual void CodeCompleteObjCSuperclass(Scope *S,
|
|
IdentifierInfo *ClassName,
|
|
SourceLocation ClassNameLoc);
|
|
virtual void CodeCompleteObjCImplementationDecl(Scope *S);
|
|
virtual void CodeCompleteObjCInterfaceCategory(Scope *S,
|
|
IdentifierInfo *ClassName,
|
|
SourceLocation ClassNameLoc);
|
|
virtual void CodeCompleteObjCImplementationCategory(Scope *S,
|
|
IdentifierInfo *ClassName,
|
|
SourceLocation ClassNameLoc);
|
|
virtual void CodeCompleteObjCPropertyDefinition(Scope *S,
|
|
DeclPtrTy ObjCImpDecl);
|
|
virtual void CodeCompleteObjCPropertySynthesizeIvar(Scope *S,
|
|
IdentifierInfo *PropertyName,
|
|
DeclPtrTy ObjCImpDecl);
|
|
virtual void CodeCompleteObjCMethodDecl(Scope *S,
|
|
bool IsInstanceMethod,
|
|
TypeTy *ReturnType,
|
|
DeclPtrTy IDecl);
|
|
virtual void CodeCompleteObjCMethodDeclSelector(Scope *S,
|
|
bool IsInstanceMethod,
|
|
bool AtParameterName,
|
|
TypeTy *ReturnType,
|
|
IdentifierInfo **SelIdents,
|
|
unsigned NumSelIdents);
|
|
|
|
//@}
|
|
|
|
//===--------------------------------------------------------------------===//
|
|
// Extra semantic analysis beyond the C type system
|
|
|
|
public:
|
|
SourceLocation getLocationOfStringLiteralByte(const StringLiteral *SL,
|
|
unsigned ByteNo) const;
|
|
|
|
private:
|
|
bool CheckFunctionCall(FunctionDecl *FDecl, CallExpr *TheCall);
|
|
bool CheckBlockCall(NamedDecl *NDecl, CallExpr *TheCall);
|
|
|
|
bool CheckablePrintfAttr(const FormatAttr *Format, CallExpr *TheCall);
|
|
bool CheckObjCString(Expr *Arg);
|
|
|
|
Action::OwningExprResult CheckBuiltinFunctionCall(unsigned BuiltinID,
|
|
CallExpr *TheCall);
|
|
bool CheckARMBuiltinFunctionCall(unsigned BuiltinID, CallExpr *TheCall);
|
|
bool CheckX86BuiltinFunctionCall(unsigned BuiltinID, CallExpr *TheCall);
|
|
|
|
bool SemaBuiltinVAStart(CallExpr *TheCall);
|
|
bool SemaBuiltinUnorderedCompare(CallExpr *TheCall);
|
|
bool SemaBuiltinFPClassification(CallExpr *TheCall, unsigned NumArgs);
|
|
|
|
public:
|
|
// Used by C++ template instantiation.
|
|
Action::OwningExprResult SemaBuiltinShuffleVector(CallExpr *TheCall);
|
|
|
|
private:
|
|
bool SemaBuiltinPrefetch(CallExpr *TheCall);
|
|
bool SemaBuiltinObjectSize(CallExpr *TheCall);
|
|
bool SemaBuiltinLongjmp(CallExpr *TheCall);
|
|
OwningExprResult SemaBuiltinAtomicOverloaded(OwningExprResult 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);
|
|
void CheckPrintfString(const StringLiteral *FExpr, const Expr *OrigFormatExpr,
|
|
const CallExpr *TheCall, bool HasVAListArg,
|
|
unsigned format_idx, unsigned firstDataArg);
|
|
void CheckNonNullArguments(const NonNullAttr *NonNull,
|
|
const CallExpr *TheCall);
|
|
void CheckPrintfArguments(const CallExpr *TheCall, bool HasVAListArg,
|
|
unsigned format_idx, unsigned firstDataArg);
|
|
void CheckReturnStackAddr(Expr *RetValExp, QualType lhsType,
|
|
SourceLocation ReturnLoc);
|
|
void CheckFloatComparison(SourceLocation loc, Expr* lex, Expr* rex);
|
|
void CheckImplicitConversions(Expr *E);
|
|
};
|
|
|
|
//===--------------------------------------------------------------------===//
|
|
// Typed version of Parser::ExprArg (smart pointer for wrapping Expr pointers).
|
|
template <typename T>
|
|
class ExprOwningPtr : public Action::ExprArg {
|
|
public:
|
|
ExprOwningPtr(Sema *S, T *expr) : Action::ExprArg(*S, expr) {}
|
|
|
|
void reset(T* p) { Action::ExprArg::operator=(p); }
|
|
T* get() const { return static_cast<T*>(Action::ExprArg::get()); }
|
|
T* take() { return static_cast<T*>(Action::ExprArg::take()); }
|
|
T* release() { return take(); }
|
|
|
|
T& operator*() const { return *get(); }
|
|
T* operator->() const { return get(); }
|
|
};
|
|
|
|
} // end namespace clang
|
|
|
|
#endif
|