clang
10.0.0git
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Represents the specialization of a concept - evaluates to a prvalue of type bool. More...
#include "clang/AST/ExprConcepts.h"
Public Member Functions | |
ArrayRef< TemplateArgument > | getTemplateArguments () const |
void | setTemplateArguments (ArrayRef< TemplateArgument > Converted) |
Set new template arguments for this concept specialization. More... | |
bool | isSatisfied () const |
Whether or not the concept with the given arguments was satisfied when the expression was created. More... | |
const ASTConstraintSatisfaction & | getSatisfaction () const |
Get elaborated satisfaction info about the template arguments' satisfaction of the named concept. More... | |
SourceLocation | getBeginLoc () const LLVM_READONLY |
SourceLocation | getEndLoc () const LLVM_READONLY |
child_range | children () |
const_child_range | children () const |
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Expr ()=delete | |
Expr (const Expr &)=delete | |
Expr (Expr &&)=delete | |
Expr & | operator= (const Expr &)=delete |
Expr & | operator= (Expr &&)=delete |
QualType | getType () const |
void | setType (QualType t) |
bool | isValueDependent () const |
isValueDependent - Determines whether this expression is value-dependent (C++ [temp.dep.constexpr]). More... | |
void | setValueDependent (bool VD) |
Set whether this expression is value-dependent or not. More... | |
bool | isTypeDependent () const |
isTypeDependent - Determines whether this expression is type-dependent (C++ [temp.dep.expr]), which means that its type could change from one template instantiation to the next. More... | |
void | setTypeDependent (bool TD) |
Set whether this expression is type-dependent or not. More... | |
bool | isInstantiationDependent () const |
Whether this expression is instantiation-dependent, meaning that it depends in some way on a template parameter, even if neither its type nor (constant) value can change due to the template instantiation. More... | |
void | setInstantiationDependent (bool ID) |
Set whether this expression is instantiation-dependent or not. More... | |
bool | containsUnexpandedParameterPack () const |
Whether this expression contains an unexpanded parameter pack (for C++11 variadic templates). More... | |
void | setContainsUnexpandedParameterPack (bool PP=true) |
Set the bit that describes whether this expression contains an unexpanded parameter pack. More... | |
SourceLocation | getExprLoc () const LLVM_READONLY |
getExprLoc - Return the preferred location for the arrow when diagnosing a problem with a generic expression. More... | |
bool | isUnusedResultAWarning (const Expr *&WarnExpr, SourceLocation &Loc, SourceRange &R1, SourceRange &R2, ASTContext &Ctx) const |
isUnusedResultAWarning - Return true if this immediate expression should be warned about if the result is unused. More... | |
bool | isLValue () const |
isLValue - True if this expression is an "l-value" according to the rules of the current language. More... | |
bool | isRValue () const |
bool | isXValue () const |
bool | isGLValue () const |
LValueClassification | ClassifyLValue (ASTContext &Ctx) const |
Reasons why an expression might not be an l-value. More... | |
isModifiableLvalueResult | isModifiableLvalue (ASTContext &Ctx, SourceLocation *Loc=nullptr) const |
isModifiableLvalue - C99 6.3.2.1: an lvalue that does not have array type, does not have an incomplete type, does not have a const-qualified type, and if it is a structure or union, does not have any member (including, recursively, any member or element of all contained aggregates or unions) with a const-qualified type. More... | |
Classification | Classify (ASTContext &Ctx) const |
Classify - Classify this expression according to the C++11 expression taxonomy. More... | |
Classification | ClassifyModifiable (ASTContext &Ctx, SourceLocation &Loc) const |
ClassifyModifiable - Classify this expression according to the C++11 expression taxonomy, and see if it is valid on the left side of an assignment. More... | |
ExprValueKind | getValueKind () const |
getValueKind - The value kind that this expression produces. More... | |
ExprObjectKind | getObjectKind () const |
getObjectKind - The object kind that this expression produces. More... | |
bool | isOrdinaryOrBitFieldObject () const |
void | setValueKind (ExprValueKind Cat) |
setValueKind - Set the value kind produced by this expression. More... | |
void | setObjectKind (ExprObjectKind Cat) |
setObjectKind - Set the object kind produced by this expression. More... | |
bool | refersToBitField () const |
Returns true if this expression is a gl-value that potentially refers to a bit-field. More... | |
FieldDecl * | getSourceBitField () |
If this expression refers to a bit-field, retrieve the declaration of that bit-field. More... | |
const FieldDecl * | getSourceBitField () const |
Decl * | getReferencedDeclOfCallee () |
const Decl * | getReferencedDeclOfCallee () const |
const ObjCPropertyRefExpr * | getObjCProperty () const |
If this expression is an l-value for an Objective C property, find the underlying property reference expression. More... | |
bool | isObjCSelfExpr () const |
Check if this expression is the ObjC 'self' implicit parameter. More... | |
bool | refersToVectorElement () const |
Returns whether this expression refers to a vector element. More... | |
bool | refersToGlobalRegisterVar () const |
Returns whether this expression refers to a global register variable. More... | |
bool | hasPlaceholderType () const |
Returns whether this expression has a placeholder type. More... | |
bool | hasPlaceholderType (BuiltinType::Kind K) const |
Returns whether this expression has a specific placeholder type. More... | |
bool | isKnownToHaveBooleanValue (bool Semantic=true) const |
isKnownToHaveBooleanValue - Return true if this is an integer expression that is known to return 0 or 1. More... | |
bool | isIntegerConstantExpr (llvm::APSInt &Result, const ASTContext &Ctx, SourceLocation *Loc=nullptr, bool isEvaluated=true) const |
isIntegerConstantExpr - Return true if this expression is a valid integer constant expression, and, if so, return its value in Result. More... | |
bool | isIntegerConstantExpr (const ASTContext &Ctx, SourceLocation *Loc=nullptr) const |
bool | isCXX98IntegralConstantExpr (const ASTContext &Ctx) const |
isCXX98IntegralConstantExpr - Return true if this expression is an integral constant expression in C++98. More... | |
bool | isCXX11ConstantExpr (const ASTContext &Ctx, APValue *Result=nullptr, SourceLocation *Loc=nullptr) const |
isCXX11ConstantExpr - Return true if this expression is a constant expression in C++11. More... | |
bool | isConstantInitializer (ASTContext &Ctx, bool ForRef, const Expr **Culprit=nullptr) const |
isConstantInitializer - Returns true if this expression can be emitted to IR as a constant, and thus can be used as a constant initializer in C. More... | |
bool | EvaluateAsRValue (EvalResult &Result, const ASTContext &Ctx, bool InConstantContext=false) const |
EvaluateAsRValue - Return true if this is a constant which we can fold to an rvalue using any crazy technique (that has nothing to do with language standards) that we want to, even if the expression has side-effects. More... | |
bool | EvaluateAsBooleanCondition (bool &Result, const ASTContext &Ctx, bool InConstantContext=false) const |
EvaluateAsBooleanCondition - Return true if this is a constant which we can fold and convert to a boolean condition using any crazy technique that we want to, even if the expression has side-effects. More... | |
bool | EvaluateAsInt (EvalResult &Result, const ASTContext &Ctx, SideEffectsKind AllowSideEffects=SE_NoSideEffects, bool InConstantContext=false) const |
EvaluateAsInt - Return true if this is a constant which we can fold and convert to an integer, using any crazy technique that we want to. More... | |
bool | EvaluateAsFloat (llvm::APFloat &Result, const ASTContext &Ctx, SideEffectsKind AllowSideEffects=SE_NoSideEffects, bool InConstantContext=false) const |
EvaluateAsFloat - Return true if this is a constant which we can fold and convert to a floating point value, using any crazy technique that we want to. More... | |
bool | EvaluateAsFixedPoint (EvalResult &Result, const ASTContext &Ctx, SideEffectsKind AllowSideEffects=SE_NoSideEffects, bool InConstantContext=false) const |
EvaluateAsFloat - Return true if this is a constant which we can fold and convert to a fixed point value. More... | |
bool | isEvaluatable (const ASTContext &Ctx, SideEffectsKind AllowSideEffects=SE_NoSideEffects) const |
isEvaluatable - Call EvaluateAsRValue to see if this expression can be constant folded without side-effects, but discard the result. More... | |
bool | HasSideEffects (const ASTContext &Ctx, bool IncludePossibleEffects=true) const |
HasSideEffects - This routine returns true for all those expressions which have any effect other than producing a value. More... | |
bool | hasNonTrivialCall (const ASTContext &Ctx) const |
Determine whether this expression involves a call to any function that is not trivial. More... | |
llvm::APSInt | EvaluateKnownConstInt (const ASTContext &Ctx, SmallVectorImpl< PartialDiagnosticAt > *Diag=nullptr) const |
EvaluateKnownConstInt - Call EvaluateAsRValue and return the folded integer. More... | |
llvm::APSInt | EvaluateKnownConstIntCheckOverflow (const ASTContext &Ctx, SmallVectorImpl< PartialDiagnosticAt > *Diag=nullptr) const |
void | EvaluateForOverflow (const ASTContext &Ctx) const |
bool | EvaluateAsLValue (EvalResult &Result, const ASTContext &Ctx, bool InConstantContext=false) const |
EvaluateAsLValue - Evaluate an expression to see if we can fold it to an lvalue with link time known address, with no side-effects. More... | |
bool | EvaluateAsInitializer (APValue &Result, const ASTContext &Ctx, const VarDecl *VD, SmallVectorImpl< PartialDiagnosticAt > &Notes) const |
EvaluateAsInitializer - Evaluate an expression as if it were the initializer of the given declaration. More... | |
bool | EvaluateWithSubstitution (APValue &Value, ASTContext &Ctx, const FunctionDecl *Callee, ArrayRef< const Expr *> Args, const Expr *This=nullptr) const |
EvaluateWithSubstitution - Evaluate an expression as if from the context of a call to the given function with the given arguments, inside an unevaluated context. More... | |
bool | EvaluateAsConstantExpr (EvalResult &Result, ConstExprUsage Usage, const ASTContext &Ctx) const |
Evaluate an expression that is required to be a constant expression. More... | |
bool | tryEvaluateObjectSize (uint64_t &Result, ASTContext &Ctx, unsigned Type) const |
If the current Expr is a pointer, this will try to statically determine the number of bytes available where the pointer is pointing. More... | |
NullPointerConstantKind | isNullPointerConstant (ASTContext &Ctx, NullPointerConstantValueDependence NPC) const |
isNullPointerConstant - C99 6.3.2.3p3 - Test if this reduces down to a Null pointer constant. More... | |
bool | isOBJCGCCandidate (ASTContext &Ctx) const |
isOBJCGCCandidate - Return true if this expression may be used in a read/ write barrier. More... | |
bool | isBoundMemberFunction (ASTContext &Ctx) const |
Returns true if this expression is a bound member function. More... | |
Expr * | IgnoreUnlessSpelledInSource () |
Skip past any invisble AST nodes which might surround this statement, such as ExprWithCleanups or ImplicitCastExpr nodes, but also injected CXXMemberExpr and CXXConstructExpr which represent implicit conversions. More... | |
const Expr * | IgnoreUnlessSpelledInSource () const |
Expr * | IgnoreImpCasts () LLVM_READONLY |
Skip past any implicit casts which might surround this expression until reaching a fixed point. More... | |
const Expr * | IgnoreImpCasts () const |
Expr * | IgnoreCasts () LLVM_READONLY |
Skip past any casts which might surround this expression until reaching a fixed point. More... | |
const Expr * | IgnoreCasts () const |
Expr * | IgnoreImplicit () LLVM_READONLY |
Skip past any implicit AST nodes which might surround this expression until reaching a fixed point. More... | |
const Expr * | IgnoreImplicit () const |
Expr * | IgnoreImplicitAsWritten () LLVM_READONLY |
Skip past any implicit AST nodes which might surround this expression until reaching a fixed point. More... | |
const Expr * | IgnoreImplicitAsWritten () const |
Expr * | IgnoreParens () LLVM_READONLY |
Skip past any parentheses which might surround this expression until reaching a fixed point. More... | |
const Expr * | IgnoreParens () const |
Expr * | IgnoreParenImpCasts () LLVM_READONLY |
Skip past any parentheses and implicit casts which might surround this expression until reaching a fixed point. More... | |
const Expr * | IgnoreParenImpCasts () const |
Expr * | IgnoreParenCasts () LLVM_READONLY |
Skip past any parentheses and casts which might surround this expression until reaching a fixed point. More... | |
const Expr * | IgnoreParenCasts () const |
Expr * | IgnoreConversionOperator () LLVM_READONLY |
Skip conversion operators. More... | |
const Expr * | IgnoreConversionOperator () const |
Expr * | IgnoreParenLValueCasts () LLVM_READONLY |
Skip past any parentheses and lvalue casts which might surround this expression until reaching a fixed point. More... | |
const Expr * | IgnoreParenLValueCasts () const |
Expr * | IgnoreParenNoopCasts (const ASTContext &Ctx) LLVM_READONLY |
Skip past any parenthese and casts which do not change the value (including ptr->int casts of the same size) until reaching a fixed point. More... | |
const Expr * | IgnoreParenNoopCasts (const ASTContext &Ctx) const |
Expr * | ignoreParenBaseCasts () LLVM_READONLY |
Skip past any parentheses and derived-to-base casts until reaching a fixed point. More... | |
const Expr * | ignoreParenBaseCasts () const |
bool | isDefaultArgument () const |
Determine whether this expression is a default function argument. More... | |
bool | isTemporaryObject (ASTContext &Ctx, const CXXRecordDecl *TempTy) const |
Determine whether the result of this expression is a temporary object of the given class type. More... | |
bool | isImplicitCXXThis () const |
Whether this expression is an implicit reference to 'this' in C++. More... | |
const CXXRecordDecl * | getBestDynamicClassType () const |
For an expression of class type or pointer to class type, return the most derived class decl the expression is known to refer to. More... | |
const Expr * | getBestDynamicClassTypeExpr () const |
Get the inner expression that determines the best dynamic class. More... | |
const Expr * | skipRValueSubobjectAdjustments (SmallVectorImpl< const Expr *> &CommaLHS, SmallVectorImpl< SubobjectAdjustment > &Adjustments) const |
Walk outwards from an expression we want to bind a reference to and find the expression whose lifetime needs to be extended. More... | |
const Expr * | skipRValueSubobjectAdjustments () const |
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const Expr * | getExprStmt () const |
Expr * | getExprStmt () |
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void * | operator new (size_t bytes, const ASTContext &C, unsigned alignment=8) |
void * | operator new (size_t bytes, const ASTContext *C, unsigned alignment=8) |
void * | operator new (size_t bytes, void *mem) noexcept |
void | operator delete (void *, const ASTContext &, unsigned) noexcept |
void | operator delete (void *, const ASTContext *, unsigned) noexcept |
void | operator delete (void *, size_t) noexcept |
void | operator delete (void *, void *) noexcept |
Stmt ()=delete | |
Stmt (const Stmt &)=delete | |
Stmt (Stmt &&)=delete | |
Stmt & | operator= (const Stmt &)=delete |
Stmt & | operator= (Stmt &&)=delete |
Stmt (StmtClass SC) | |
StmtClass | getStmtClass () const |
const char * | getStmtClassName () const |
bool | isOMPStructuredBlock () const |
void | setIsOMPStructuredBlock (bool IsOMPStructuredBlock) |
SourceRange | getSourceRange () const LLVM_READONLY |
SourceLocation tokens are not useful in isolation - they are low level value objects created/interpreted by SourceManager. More... | |
SourceLocation | getBeginLoc () const LLVM_READONLY |
SourceLocation | getEndLoc () const LLVM_READONLY |
void | dump () const |
Dumps the specified AST fragment and all subtrees to llvm::errs() . More... | |
void | dump (SourceManager &SM) const |
void | dump (raw_ostream &OS, SourceManager &SM) const |
void | dump (raw_ostream &OS) const |
int64_t | getID (const ASTContext &Context) const |
void | dumpColor () const |
dumpColor - same as dump(), but forces color highlighting. More... | |
void | dumpPretty (const ASTContext &Context) const |
dumpPretty/printPretty - These two methods do a "pretty print" of the AST back to its original source language syntax. More... | |
void | printPretty (raw_ostream &OS, PrinterHelper *Helper, const PrintingPolicy &Policy, unsigned Indentation=0, StringRef NewlineSymbol="\, const ASTContext *Context=nullptr) const |
void | printJson (raw_ostream &Out, PrinterHelper *Helper, const PrintingPolicy &Policy, bool AddQuotes) const |
Pretty-prints in JSON format. More... | |
void | viewAST () const |
viewAST - Visualize an AST rooted at this Stmt* using GraphViz. More... | |
Stmt * | IgnoreContainers (bool IgnoreCaptured=false) |
Skip no-op (attributed, compound) container stmts and skip captured stmt at the top, if IgnoreCaptured is true. More... | |
const Stmt * | IgnoreContainers (bool IgnoreCaptured=false) const |
const Stmt * | stripLabelLikeStatements () const |
Strip off all label-like statements. More... | |
Stmt * | stripLabelLikeStatements () |
child_range | children () |
const_child_range | children () const |
child_iterator | child_begin () |
child_iterator | child_end () |
const_child_iterator | child_begin () const |
const_child_iterator | child_end () const |
void | Profile (llvm::FoldingSetNodeID &ID, const ASTContext &Context, bool Canonical) const |
Produce a unique representation of the given statement. More... | |
void | ProcessODRHash (llvm::FoldingSetNodeID &ID, ODRHash &Hash) const |
Calculate a unique representation for a statement that is stable across compiler invocations. More... | |
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ConceptReference (NestedNameSpecifierLoc NNS, SourceLocation TemplateKWLoc, DeclarationNameInfo ConceptNameInfo, NamedDecl *FoundDecl, ConceptDecl *NamedConcept, const ASTTemplateArgumentListInfo *ArgsAsWritten) | |
ConceptReference () | |
const NestedNameSpecifierLoc & | getNestedNameSpecifierLoc () const |
const DeclarationNameInfo & | getConceptNameInfo () const |
SourceLocation | getConceptNameLoc () const |
SourceLocation | getTemplateKWLoc () const |
NamedDecl * | getFoundDecl () const |
ConceptDecl * | getNamedConcept () const |
const ASTTemplateArgumentListInfo * | getTemplateArgsAsWritten () const |
bool | hasExplicitTemplateArgs () const |
Whether or not template arguments were explicitly specified in the concept reference (they might not be in type constraints, for example) More... | |
Static Public Member Functions | |
static ConceptSpecializationExpr * | Create (const ASTContext &C, NestedNameSpecifierLoc NNS, SourceLocation TemplateKWLoc, DeclarationNameInfo ConceptNameInfo, NamedDecl *FoundDecl, ConceptDecl *NamedConcept, const ASTTemplateArgumentListInfo *ArgsAsWritten, ArrayRef< TemplateArgument > ConvertedArgs, const ConstraintSatisfaction *Satisfaction) |
static ConceptSpecializationExpr * | Create (const ASTContext &C, ConceptDecl *NamedConcept, ArrayRef< TemplateArgument > ConvertedArgs, const ConstraintSatisfaction *Satisfaction, bool Dependent, bool ContainsUnexpandedParameterPack) |
static ConceptSpecializationExpr * | Create (ASTContext &C, EmptyShell Empty, unsigned NumTemplateArgs) |
static bool | classof (const Stmt *T) |
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static ExprValueKind | getValueKindForType (QualType T) |
getValueKindForType - Given a formal return or parameter type, give its value kind. More... | |
static bool | isPotentialConstantExpr (const FunctionDecl *FD, SmallVectorImpl< PartialDiagnosticAt > &Diags) |
isPotentialConstantExpr - Return true if this function's definition might be usable in a constant expression in C++11, if it were marked constexpr. More... | |
static bool | isPotentialConstantExprUnevaluated (Expr *E, const FunctionDecl *FD, SmallVectorImpl< PartialDiagnosticAt > &Diags) |
isPotentialConstantExprUnevaluted - Return true if this expression might be usable in a constant expression in C++11 in an unevaluated context, if it were in function FD marked constexpr. More... | |
static QualType | findBoundMemberType (const Expr *expr) |
Given an expression of bound-member type, find the type of the member. More... | |
static bool | hasAnyTypeDependentArguments (ArrayRef< Expr *> Exprs) |
hasAnyTypeDependentArguments - Determines if any of the expressions in Exprs is type-dependent. More... | |
static bool | isSameComparisonOperand (const Expr *E1, const Expr *E2) |
Checks that the two Expr's will refer to the same value as a comparison operand. More... | |
static bool | classof (const Stmt *T) |
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static bool | classof (const Stmt *T) |
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static void | addStmtClass (const StmtClass s) |
static void | EnableStatistics () |
static void | PrintStats () |
Friends | |
class | ASTStmtReader |
Additional Inherited Members | |
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enum | { NumStmtBits = 9 } |
enum | { NumExprBits = NumStmtBits + 9 } |
enum | { NumCallExprBits = 32 } |
enum | { NumOverloadExprBits = NumExprBits + 1 } |
template<typename T > | |
using | ConstCastIterator = CastIterator< T, const T *const, const Stmt *const > |
Const iterator for iterating over Stmt * arrays that contain only T *. More... | |
using | ExprIterator = CastIterator< Expr > |
using | ConstExprIterator = ConstCastIterator< Expr > |
Represents the specialization of a concept - evaluates to a prvalue of type bool.
According to C++2a [expr.prim.id]p3 an id-expression that denotes the specialization of a concept results in a prvalue of type bool.
Definition at line 40 of file ExprConcepts.h.
using clang::ConceptSpecializationExpr::SubstitutionDiagnostic = std::pair<SourceLocation, std::string> |
Definition at line 46 of file ExprConcepts.h.
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Definition at line 31 of file ExprConcepts.cpp.
Referenced by Create().
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Definition at line 101 of file ExprConcepts.cpp.
References setTemplateArguments().
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Definition at line 71 of file ExprConcepts.cpp.
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Definition at line 133 of file ExprConcepts.h.
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Definition at line 136 of file ExprConcepts.h.
Definition at line 120 of file ExprConcepts.h.
References clang::Stmt::getStmtClass().
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Definition at line 84 of file ExprConcepts.cpp.
References clang::ASTContext::Allocate(), and ConceptSpecializationExpr().
Referenced by canonicalizeImmediatelyDeclaredConstraint().
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Definition at line 121 of file ExprConcepts.cpp.
References clang::ASTContext::Allocate(), and ConceptSpecializationExpr().
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Definition at line 135 of file ExprConcepts.cpp.
References clang::ASTContext::Allocate(), and ConceptSpecializationExpr().
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Definition at line 124 of file ExprConcepts.h.
References clang::ConceptReference::ConceptName, and clang::DeclarationNameInfo::getBeginLoc().
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Definition at line 128 of file ExprConcepts.h.
References clang::ConceptReference::ArgsAsWritten, and clang::ASTTemplateArgumentListInfo::RAngleLoc.
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Get elaborated satisfaction info about the template arguments' satisfaction of the named concept.
The expression must not be dependent.
Definition at line 114 of file ExprConcepts.h.
References clang::Expr::isValueDependent(), and Satisfaction.
Referenced by addSubstitutionDiagnostic().
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Definition at line 94 of file ExprConcepts.h.
References setTemplateArguments().
Referenced by addSubstitutionDiagnostic().
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Whether or not the concept with the given arguments was satisfied when the expression was created.
The expression must not be dependent.
Definition at line 105 of file ExprConcepts.h.
References clang::ASTConstraintSatisfaction::IsSatisfied, and clang::Expr::isValueDependent().
Referenced by EvaluateComparisonBinaryOperator().
void ConceptSpecializationExpr::setTemplateArguments | ( | ArrayRef< TemplateArgument > | Converted | ) |
Set new template arguments for this concept specialization.
Definition at line 76 of file ExprConcepts.cpp.
References NumTemplateArgs.
Referenced by ConceptSpecializationExpr(), getTemplateArguments(), and readConstraintSatisfaction().
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Definition at line 43 of file ExprConcepts.h.
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The number of template arguments in the tail-allocated list of converted template arguments.
Definition at line 51 of file ExprConcepts.h.
Referenced by setTemplateArguments().
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Information about the satisfaction of the named concept with the given arguments.
If this expression is value dependent, this is to be ignored.
Definition at line 56 of file ExprConcepts.h.
Referenced by clang::concepts::NestedRequirement::getConstraintSatisfaction(), getSatisfaction(), and readConstraintSatisfaction().