clang
6.0.0
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Scope - A scope is a transient data structure that is used while parsing the program. More...
#include "clang/Sema/Scope.h"
Public Types | |
enum | ScopeFlags { FnScope = 0x01, BreakScope = 0x02, ContinueScope = 0x04, DeclScope = 0x08, ControlScope = 0x10, ClassScope = 0x20, BlockScope = 0x40, TemplateParamScope = 0x80, FunctionPrototypeScope = 0x100, FunctionDeclarationScope = 0x200, AtCatchScope = 0x400, ObjCMethodScope = 0x800, SwitchScope = 0x1000, TryScope = 0x2000, FnTryCatchScope = 0x4000, OpenMPDirectiveScope = 0x8000, OpenMPLoopDirectiveScope = 0x10000, OpenMPSimdDirectiveScope = 0x20000, EnumScope = 0x40000, SEHTryScope = 0x80000, SEHExceptScope = 0x100000, SEHFilterScope = 0x200000, CompoundStmtScope = 0x400000, ClassInheritanceScope = 0x800000 } |
ScopeFlags - These are bitfields that are or'd together when creating a scope, which defines the sorts of things the scope contains. More... | |
typedef llvm::iterator_range< DeclSetTy::iterator > | decl_range |
typedef llvm::iterator_range< UsingDirectivesTy::iterator > | using_directives_range |
Public Member Functions | |
Scope (Scope *Parent, unsigned ScopeFlags, DiagnosticsEngine &Diag) | |
unsigned | getFlags () const |
getFlags - Return the flags for this scope. More... | |
void | setFlags (unsigned F) |
bool | isBlockScope () const |
isBlockScope - Return true if this scope correspond to a closure. More... | |
const Scope * | getParent () const |
getParent - Return the scope that this is nested in. More... | |
Scope * | getParent () |
const Scope * | getFnParent () const |
getFnParent - Return the closest scope that is a function body. More... | |
Scope * | getFnParent () |
const Scope * | getMSLastManglingParent () const |
Scope * | getMSLastManglingParent () |
Scope * | getContinueParent () |
getContinueParent - Return the closest scope that a continue statement would be affected by. More... | |
const Scope * | getContinueParent () const |
Scope * | getBreakParent () |
getBreakParent - Return the closest scope that a break statement would be affected by. More... | |
const Scope * | getBreakParent () const |
Scope * | getBlockParent () |
const Scope * | getBlockParent () const |
Scope * | getTemplateParamParent () |
const Scope * | getTemplateParamParent () const |
unsigned | getFunctionPrototypeDepth () const |
Returns the number of function prototype scopes in this scope chain. More... | |
unsigned | getNextFunctionPrototypeIndex () |
Return the number of parameters declared in this function prototype, increasing it by one for the next call. More... | |
decl_range | decls () const |
bool | decl_empty () const |
void | AddDecl (Decl *D) |
void | RemoveDecl (Decl *D) |
void | incrementMSManglingNumber () |
void | decrementMSManglingNumber () |
unsigned | getMSLastManglingNumber () const |
unsigned | getMSCurManglingNumber () const |
bool | isDeclScope (Decl *D) |
isDeclScope - Return true if this is the scope that the specified decl is declared in. More... | |
DeclContext * | getEntity () const |
void | setEntity (DeclContext *E) |
bool | hasErrorOccurred () const |
bool | hasUnrecoverableErrorOccurred () const |
bool | isFunctionScope () const |
isFunctionScope() - Return true if this scope is a function scope. More... | |
bool | isClassScope () const |
isClassScope - Return true if this scope is a class/struct/union scope. More... | |
bool | isInCXXInlineMethodScope () const |
isInCXXInlineMethodScope - Return true if this scope is a C++ inline method scope or is inside one. More... | |
bool | isInObjcMethodScope () const |
isInObjcMethodScope - Return true if this scope is, or is contained in, an Objective-C method body. More... | |
bool | isInObjcMethodOuterScope () const |
isInObjcMethodOuterScope - Return true if this scope is an Objective-C method outer most body. More... | |
bool | isTemplateParamScope () const |
isTemplateParamScope - Return true if this scope is a C++ template parameter scope. More... | |
bool | isFunctionPrototypeScope () const |
isFunctionPrototypeScope - Return true if this scope is a function prototype scope. More... | |
bool | isAtCatchScope () const |
isAtCatchScope - Return true if this scope is @catch. More... | |
bool | isSwitchScope () const |
isSwitchScope - Return true if this scope is a switch scope. More... | |
bool | isOpenMPDirectiveScope () const |
Determines whether this scope is the OpenMP directive scope. More... | |
bool | isOpenMPLoopDirectiveScope () const |
Determine whether this scope is some OpenMP loop directive scope (for example, 'omp for', 'omp simd'). More... | |
bool | isOpenMPSimdDirectiveScope () const |
Determine whether this scope is (or is nested into) some OpenMP loop simd directive scope (for example, 'omp simd', 'omp for simd'). More... | |
bool | isOpenMPLoopScope () const |
Determine whether this scope is a loop having OpenMP loop directive attached. More... | |
bool | isTryScope () const |
Determine whether this scope is a C++ 'try' block. More... | |
bool | isSEHTryScope () const |
Determine whether this scope is a SEH '__try' block. More... | |
bool | isSEHExceptScope () const |
Determine whether this scope is a SEH '__except' block. More... | |
bool | isCompoundStmtScope () const |
Determine whether this scope is a compound statement scope. More... | |
bool | Contains (const Scope &rhs) const |
Returns if rhs has a higher scope depth than this. More... | |
bool | containedInPrototypeScope () const |
containedInPrototypeScope - Return true if this or a parent scope is a FunctionPrototypeScope. More... | |
void | PushUsingDirective (UsingDirectiveDecl *UDir) |
using_directives_range | using_directives () |
void | addNRVOCandidate (VarDecl *VD) |
void | setNoNRVO () |
void | mergeNRVOIntoParent () |
void | Init (Scope *parent, unsigned flags) |
Init - This is used by the parser to implement scope caching. More... | |
void | AddFlags (unsigned Flags) |
Sets up the specified scope flags and adjusts the scope state variables accordingly. More... | |
void | dumpImpl (raw_ostream &OS) const |
void | dump () const |
Scope - A scope is a transient data structure that is used while parsing the program.
It assists with resolving identifiers to the appropriate declaration.
typedef llvm::iterator_range<DeclSetTy::iterator> clang::Scope::decl_range |
typedef llvm::iterator_range<UsingDirectivesTy::iterator> clang::Scope::using_directives_range |
ScopeFlags - These are bitfields that are or'd together when creating a scope, which defines the sorts of things the scope contains.
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Definition at line 281 of file Scope.h.
Referenced by clang::Sema::ActOnDelayedCXXMethodParameter(), clang::Sema::ActOnReenterCXXMethodParameter(), and clang::Sema::ActOnReenterTemplateScope().
void Scope::AddFlags | ( | unsigned | Flags | ) |
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Definition at line 465 of file Scope.h.
Referenced by clang::Sema::ActOnReturnStmt(), and mergeNRVOIntoParent().
bool Scope::containedInPrototypeScope | ( | ) | const |
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Definition at line 276 of file Scope.h.
Referenced by clang::Sema::CodeCompleteLambdaIntroducer(), and LookupVisibleDecls().
LLVM_DUMP_METHOD void Scope::dump | ( | ) | const |
Definition at line 137 of file Scope.cpp.
References dumpImpl().
void Scope::dumpImpl | ( | raw_ostream & | OS | ) | const |
Definition at line 139 of file Scope.cpp.
References AtCatchScope, BlockScope, BreakScope, ClassInheritanceScope, ClassScope, CompoundStmtScope, ContinueScope, ControlScope, DeclScope, EnumScope, FnScope, FnTryCatchScope, FunctionDeclarationScope, FunctionPrototypeScope, getEntity(), getFlags(), getMSCurManglingNumber(), getMSLastManglingNumber(), getParent(), ObjCMethodScope, OpenMPDirectiveScope, OpenMPLoopDirectiveScope, OpenMPSimdDirectiveScope, Parent, SEHExceptScope, SEHFilterScope, SEHTryScope, SwitchScope, TemplateParamScope, and TryScope.
Referenced by dump().
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Definition at line 319 of file Scope.h.
Referenced by clang::Sema::CheckTemplateDeclScope(), clang::Sema::CodeCompleteNamespaceDecl(), clang::Sema::CodeCompleteObjCMethodDecl(), dumpImpl(), findOuterContext(), isNamespaceOrTranslationUnitScope(), isNamespaceScope(), LookupVisibleDecls(), mergeNRVOIntoParent(), and clang::Sema::PushUsingDirective().
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getFlags - Return the flags for this scope.
Definition at line 216 of file Scope.h.
Referenced by clang::Sema::ActOnUsingDirective(), clang::Sema::CheckTemplateDeclScope(), clang::Sema::CodeCompleteDeclSpec(), dumpImpl(), and IsInFnTryBlockHandler().
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getFnParent - Return the closest scope that is a function body.
Definition at line 229 of file Scope.h.
Referenced by clang::Sema::ActOnReturnStmt(), clang::Sema::CodeCompleteInPreprocessorConditionalExclusion(), and IsInFnTryBlockHandler().
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Definition at line 309 of file Scope.h.
Referenced by dumpImpl().
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Definition at line 303 of file Scope.h.
Referenced by dumpImpl().
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getParent - Return the scope that this is nested in.
Definition at line 224 of file Scope.h.
Referenced by clang::Sema::ActOnObjCAtThrowStmt(), clang::Sema::ActOnSEHLeaveStmt(), clang::Sema::ActOnStartNamespaceDef(), clang::Sema::ActOnStartOfFunctionDef(), clang::Sema::ActOnUsingDirective(), AddRecordMembersCompletionResults(), buildDeclareReductionRef(), clang::Sema::CheckTemplateDeclScope(), clang::Sema::CodeCompleteLambdaIntroducer(), clang::Sema::CodeCompleteNamespaceDecl(), dumpImpl(), clang::Parser::ExitScope(), findOuterContext(), IsInFnTryBlockHandler(), LookupVisibleDecls(), mergeNRVOIntoParent(), and clang::Parser::ParseTopLevelDecl().
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Definition at line 259 of file Scope.h.
Referenced by clang::Sema::ActOnStartOfLambdaDefinition(), and clang::Sema::ActOnTypenameType().
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Definition at line 322 of file Scope.h.
References clang::DiagnosticErrorTrap::hasErrorOccurred().
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Definition at line 324 of file Scope.h.
References clang::DiagnosticErrorTrap::hasUnrecoverableErrorOccurred().
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Definition at line 289 of file Scope.h.
Referenced by clang::Sema::incrementMSManglingNumber().
void Scope::Init | ( | Scope * | parent, |
unsigned | flags | ||
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Init - This is used by the parser to implement scope caching.
Definition at line 88 of file Scope.cpp.
References clang::DiagnosticErrorTrap::reset().
Referenced by clang::Parser::EnterScope().
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isAtCatchScope - Return true if this scope is @catch.
Definition at line 382 of file Scope.h.
Referenced by clang::Sema::ActOnObjCAtThrowStmt().
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isClassScope - Return true if this scope is a class/struct/union scope.
Definition at line 332 of file Scope.h.
Referenced by clang::Sema::CodeCompleteUsing().
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isDeclScope - Return true if this is the scope that the specified decl is declared in.
Definition at line 315 of file Scope.h.
Referenced by buildDeclareReductionRef(), and mergeNRVOIntoParent().
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isFunctionScope() - Return true if this scope is a function scope.
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isInObjcMethodScope - Return true if this scope is, or is contained in, an Objective-C method body.
Note that this method is not constant time.
Definition at line 348 of file Scope.h.
Referenced by CheckArrayDesignatorSyntax().
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Determine whether this scope is some OpenMP loop directive scope (for example, 'omp for', 'omp simd').
Definition at line 407 of file Scope.h.
Referenced by isOpenMPLoopScope().
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Determine whether this scope is a loop having OpenMP loop directive attached.
Definition at line 424 of file Scope.h.
References isOpenMPLoopDirectiveScope(), and P.
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Determine whether this scope is a SEH '__try' block.
Definition at line 433 of file Scope.h.
Referenced by clang::Sema::ActOnSEHLeaveStmt().
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isTemplateParamScope - Return true if this scope is a C++ template parameter scope.
Definition at line 371 of file Scope.h.
Referenced by clang::Sema::ActOnUsingDirective(), and findOuterContext().
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void Scope::mergeNRVOIntoParent | ( | ) |
Definition at line 122 of file Scope.cpp.
References addNRVOCandidate(), getEntity(), getParent(), isDeclScope(), and setNoNRVO().
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Definition at line 453 of file Scope.h.
Referenced by clang::Sema::PushUsingDirective().
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Definition at line 285 of file Scope.h.
Referenced by clang::Sema::HideUsingShadowDecl().
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Definition at line 476 of file Scope.h.
References dump().
Referenced by clang::Sema::ActOnReturnStmt(), and mergeNRVOIntoParent().
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