Captures a result of code completion. More...

#include "clang/Sema/CodeCompleteConsumer.h"

Public Types
enum	ResultKind { RK_Declaration = 0 , RK_Keyword , RK_Macro , RK_Pattern }
	Describes the kind of result generated. More...

Public Member Functions
	CodeCompletionResult (const NamedDecl Declaration, unsigned Priority, NestedNameSpecifier Qualifier=nullptr, bool QualifierIsInformative=false, bool Accessible=true, std::vector< FixItHint > FixIts=std::vector< FixItHint >())
	Build a result that refers to a declaration.

	CodeCompletionResult (const char *Keyword, unsigned Priority=CCP_Keyword)
	Build a result that refers to a keyword or symbol.

	CodeCompletionResult (const IdentifierInfo Macro, const MacroInfo MI=nullptr, unsigned Priority=CCP_Macro)
	Build a result that refers to a macro.

	CodeCompletionResult (CodeCompletionString Pattern, unsigned Priority=CCP_CodePattern, CXCursorKind CursorKind=CXCursor_NotImplemented, CXAvailabilityKind Availability=CXAvailability_Available, const NamedDecl D=nullptr)
	Build a result that refers to a pattern.

	CodeCompletionResult (CodeCompletionString Pattern, const NamedDecl D, unsigned Priority)
	Build a result that refers to a pattern with an associated declaration.

const NamedDecl *	getDeclaration () const
	Retrieve the declaration stored in this result.

const char *	getKeyword () const
	Retrieve the keyword stored in this result.

CodeCompletionString *	CreateCodeCompletionString (Sema &S, const CodeCompletionContext &CCContext, CodeCompletionAllocator &Allocator, CodeCompletionTUInfo &CCTUInfo, bool IncludeBriefComments)
	Create a new code-completion string that describes how to insert this result into a program.

CodeCompletionString *	CreateCodeCompletionString (ASTContext &Ctx, Preprocessor &PP, const CodeCompletionContext &CCContext, CodeCompletionAllocator &Allocator, CodeCompletionTUInfo &CCTUInfo, bool IncludeBriefComments)
	If possible, create a new code completion string for the given result.

CodeCompletionString *	CreateCodeCompletionStringForMacro (Preprocessor &PP, CodeCompletionAllocator &Allocator, CodeCompletionTUInfo &CCTUInfo)
	Creates a new code-completion string for the macro result.

CodeCompletionString *	createCodeCompletionStringForDecl (Preprocessor &PP, ASTContext &Ctx, CodeCompletionBuilder &Result, bool IncludeBriefComments, const CodeCompletionContext &CCContext, PrintingPolicy &Policy)

CodeCompletionString *	createCodeCompletionStringForOverride (Preprocessor &PP, ASTContext &Ctx, CodeCompletionBuilder &Result, bool IncludeBriefComments, const CodeCompletionContext &CCContext, PrintingPolicy &Policy)

StringRef	getOrderedName (std::string &Saved) const
	Retrieve the name that should be used to order a result.

Public Attributes
const NamedDecl *	Declaration = nullptr
	When Kind == RK_Declaration or RK_Pattern, the declaration we are referring to.

union {
const char * Keyword
	When Kind == RK_Keyword, the string representing the keyword or symbol's spelling. More...

CodeCompletionString * Pattern
	When Kind == RK_Pattern, the code-completion string that describes the completion text to insert. More...

const IdentifierInfo * Macro
	When Kind == RK_Macro, the identifier that refers to a macro. More...

};

unsigned	Priority
	The priority of this particular code-completion result.

unsigned	StartParameter = 0
	Specifies which parameter (of a function, Objective-C method, macro, etc.) we should start with when formatting the result.

ResultKind	Kind
	The kind of result stored here.

CXCursorKind	CursorKind
	The cursor kind that describes this result.

CXAvailabilityKind	Availability = CXAvailability_Available
	The availability of this result.

std::vector< FixItHint >	FixIts
	Fix-its that must be applied before inserting the text for the corresponding completion.

bool	Hidden: 1
	Whether this result is hidden by another name.

bool	InBaseClass: 1
	Whether this is a class member from base class.

bool	QualifierIsInformative: 1
	Whether this result was found via lookup into a base class.

bool	StartsNestedNameSpecifier: 1
	Whether this declaration is the beginning of a nested-name-specifier and, therefore, should be followed by '::'.

bool	AllParametersAreInformative: 1
	Whether all parameters (of a function, Objective-C method, etc.) should be considered "informative".

bool	DeclaringEntity: 1
	Whether we're completing a declaration of the given entity, rather than a use of that entity.

bool	FunctionCanBeCall: 1
	When completing a function, whether it can be a call.

NestedNameSpecifier *	Qualifier = nullptr
	If the result should have a nested-name-specifier, this is it.

const UsingShadowDecl *	ShadowDecl = nullptr
	If this Decl was unshadowed by using declaration, this can store a pointer to the UsingShadowDecl which was used in the unshadowing process.

const MacroInfo *	MacroDefInfo = nullptr
	If the result is RK_Macro, this can store the information about the macro definition.

Detailed Description

Captures a result of code completion.

Definition at line 759 of file CodeCompleteConsumer.h.

Member Enumeration Documentation

◆ ResultKind

enum clang::CodeCompletionResult::ResultKind

Describes the kind of result generated.

Enumerator
RK_Declaration	Refers to a declaration.
RK_Keyword	Refers to a keyword or symbol.
RK_Macro	Refers to a macro.
RK_Pattern	Refers to a precomputed pattern.

Definition at line 762 of file CodeCompleteConsumer.h.

Constructor & Destructor Documentation

◆ CodeCompletionResult() [1/5]

clang::CodeCompletionResult::CodeCompletionResult	(	const NamedDecl *	Declaration,
		unsigned	Priority,
		NestedNameSpecifier *	Qualifier = `nullptr`,
		bool	QualifierIsInformative = `false`,
		bool	Accessible = `true`,
		std::vector< FixItHint >	FixIts = `std::vector<FixItHint>()`
	)

inline

Build a result that refers to a declaration.

Definition at line 883 of file CodeCompleteConsumer.h.

◆ CodeCompletionResult() [2/5]

clang::CodeCompletionResult::CodeCompletionResult	(	const char *	Keyword,
		unsigned	Priority = `CCP_Keyword`
	)

inline

Build a result that refers to a keyword or symbol.

Definition at line 898 of file CodeCompleteConsumer.h.

◆ CodeCompletionResult() [3/5]

clang::CodeCompletionResult::CodeCompletionResult	(	const IdentifierInfo *	Macro,
		const MacroInfo *	MI = `nullptr`,
		unsigned	Priority = `CCP_Macro`
	)

inline

Build a result that refers to a macro.

Definition at line 906 of file CodeCompleteConsumer.h.

◆ CodeCompletionResult() [4/5]

clang::CodeCompletionResult::CodeCompletionResult	(	CodeCompletionString *	Pattern,
		unsigned	Priority = `CCP_CodePattern`,
		CXCursorKind	CursorKind = `CXCursor_NotImplemented`,
		CXAvailabilityKind	Availability = `CXAvailability_Available`,
		const NamedDecl *	D = `nullptr`
	)

inline

Build a result that refers to a pattern.

Definition at line 916 of file CodeCompleteConsumer.h.

◆ CodeCompletionResult() [5/5]

clang::CodeCompletionResult::CodeCompletionResult	(	CodeCompletionString *	Pattern,
		const NamedDecl *	D,
		unsigned	Priority
	)

inline

Build a result that refers to a pattern with an associated declaration.

Definition at line 929 of file CodeCompleteConsumer.h.

Member Function Documentation

◆ CreateCodeCompletionString() [1/2]

CodeCompletionString * CodeCompletionResult::CreateCodeCompletionString	(	ASTContext &	Ctx,
		Preprocessor &	PP,
		const CodeCompletionContext &	CCContext,
		CodeCompletionAllocator &	Allocator,
		CodeCompletionTUInfo &	CCTUInfo,
		bool	IncludeBriefComments
	)

If possible, create a new code completion string for the given result.

Returns: Either a new, heap-allocated code completion string describing how to use this result, or NULL to indicate that the string or name of the result is all that is needed.

Definition at line 3443 of file SemaCodeComplete.cpp.

References Availability, createCodeCompletionStringForDecl(), CreateCodeCompletionStringForMacro(), Declaration, getCompletionPrintingPolicy(), clang::Decl::getDeclContext(), clang::getPatternCompletionComment(), Keyword, Kind, Pattern, Priority, clang::Result, RK_Declaration, RK_Keyword, RK_Macro, and RK_Pattern.

◆ CreateCodeCompletionString() [2/2]

CodeCompletionString * CodeCompletionResult::CreateCodeCompletionString	(	Sema &	S,
		const CodeCompletionContext &	CCContext,
		CodeCompletionAllocator &	Allocator,
		CodeCompletionTUInfo &	CCTUInfo,
		bool	IncludeBriefComments
	)

Create a new code-completion string that describes how to insert this result into a program.

Parameters

S	The semantic analysis that created the result.
Allocator	The allocator that will be used to allocate the string itself.

Definition at line 3383 of file SemaCodeComplete.cpp.

References clang::Sema::Context, CreateCodeCompletionString(), and clang::Sema::PP.

Referenced by CreateCodeCompletionString().

◆ createCodeCompletionStringForDecl()

CodeCompletionString * CodeCompletionResult::createCodeCompletionStringForDecl	(	Preprocessor &	PP,
		ASTContext &	Ctx,
		CodeCompletionBuilder &	Result,
		bool	IncludeBriefComments,
		const CodeCompletionContext &	CCContext,
		PrintingPolicy &	Policy
	)

Definition at line 3530 of file SemaCodeComplete.cpp.

References AddFunctionParameterChunks(), AddFunctionTypeQualsToCompletionString(), AddQualifierToCompletionString(), AddResultTypeChunk(), AddTemplateParameterChunks(), AddTypedNameChunk(), AllParametersAreInformative, clang::CodeCompletionString::CK_HorizontalSpace, clang::CodeCompletionString::CK_LeftAngle, clang::CodeCompletionString::CK_LeftParen, clang::CodeCompletionString::CK_RightAngle, clang::CodeCompletionString::CK_RightParen, Declaration, DeclaringEntity, extractFunctorCallOperator(), FormatFunctionParameter(), formatObjCParamQualifiers(), clang::Function, FunctionCanBeCall, clang::QualType::getAsString(), clang::CodeCompletionContext::getBaseType(), clang::getCompletionComment(), clang::Decl::getDeclContext(), clang::Selector::getIdentifierInfoForSlot(), clang::NamedDecl::getNameAsString(), clang::Selector::getNameForSlot(), clang::Selector::getNumArgs(), clang::Type::getObjCSubstitutions(), clang::Type::isBlockPointerType(), clang::QualType::isNull(), clang::Selector::isUnarySelector(), clang::FunctionDecl::isVariadic(), Keyword, clang::Sema::MarkDeducedTemplateParameters(), MaybeAddSentinel(), P, clang::FunctionDecl::param_begin(), clang::FunctionDecl::param_end(), clang::FunctionDecl::param_size(), clang::Parameter, Qualifier, QualifierIsInformative, clang::Result, clang::Decl::specific_attrs(), StartParameter, StartsNestedNameSpecifier, and clang::QualType::substObjCTypeArgs().

Referenced by CreateCodeCompletionString(), and createCodeCompletionStringForOverride().

◆ CreateCodeCompletionStringForMacro()

CodeCompletionString * CodeCompletionResult::CreateCodeCompletionStringForMacro	(	Preprocessor &	PP,
		CodeCompletionAllocator &	Allocator,
		CodeCompletionTUInfo &	CCTUInfo
	)

Creates a new code-completion string for the macro result.

Similar to the above overloads, except this only requires preprocessor information. The result kind must be RK_Macro.

Definition at line 3391 of file SemaCodeComplete.cpp.

References Availability, clang::CodeCompletionString::CK_Comma, clang::CodeCompletionString::CK_LeftParen, clang::CodeCompletionString::CK_RightParen, clang::Preprocessor::getMacroInfo(), clang::IdentifierInfo::getName(), clang::MacroInfo::isC99Varargs(), clang::MacroInfo::isFunctionLike(), clang::MacroInfo::isVariadic(), Kind, Macro, clang::MacroInfo::param_begin(), clang::MacroInfo::param_end(), Priority, clang::Result, and RK_Macro.

Referenced by CreateCodeCompletionString().

◆ createCodeCompletionStringForOverride()

CodeCompletionString * CodeCompletionResult::createCodeCompletionStringForOverride	(	Preprocessor &	PP,
		ASTContext &	Ctx,
		CodeCompletionBuilder &	Result,
		bool	IncludeBriefComments,
		const CodeCompletionContext &	CCContext,
		PrintingPolicy &	Policy
	)

Definition at line 3499 of file SemaCodeComplete.cpp.

References clang::CodeCompletionString::CK_HorizontalSpace, createCodeCompletionStringForDecl(), printOverrideString(), and clang::Result.

Referenced by AddOverrideResults().

◆ getDeclaration()

const NamedDecl * clang::CodeCompletionResult::getDeclaration ( ) const

inline

Retrieve the declaration stored in this result.

This might be nullptr if Kind is RK_Pattern.

Definition at line 940 of file CodeCompleteConsumer.h.

References Declaration, Kind, RK_Declaration, and RK_Pattern.

◆ getKeyword()

const char * clang::CodeCompletionResult::getKeyword ( ) const

inline

Retrieve the keyword stored in this result.

Definition at line 947 of file CodeCompleteConsumer.h.

References Keyword, Kind, and RK_Keyword.

◆ getOrderedName()

StringRef CodeCompletionResult::getOrderedName ( std::string & Saved ) const

Retrieve the name that should be used to order a result.

If the name needs to be constructed as a string, that string will be saved into Saved and the returned StringRef will refer to it.

Definition at line 836 of file CodeCompleteConsumer.cpp.

References clang::Declaration, and Id.

Referenced by clang::operator<().

Member Data Documentation

◆

union { ... } clang::CodeCompletionResult::@208

◆ AllParametersAreInformative

bool clang::CodeCompletionResult::AllParametersAreInformative

Whether all parameters (of a function, Objective-C method, etc.) should be considered "informative".

Definition at line 854 of file CodeCompleteConsumer.h.

Referenced by createCodeCompletionStringForDecl().

◆ Availability

CXAvailabilityKind clang::CodeCompletionResult::Availability = CXAvailability_Available

The availability of this result.

Definition at line 807 of file CodeCompleteConsumer.h.

Referenced by CreateCodeCompletionString(), and CreateCodeCompletionStringForMacro().

◆ CursorKind

CXCursorKind clang::CodeCompletionResult::CursorKind

The cursor kind that describes this result.

Definition at line 804 of file CodeCompleteConsumer.h.

◆ Declaration

const NamedDecl* clang::CodeCompletionResult::Declaration = nullptr

When Kind == RK_Declaration or RK_Pattern, the declaration we are referring to.

In the latter case, the declaration might be NULL.

Definition at line 778 of file CodeCompleteConsumer.h.

Referenced by CreateCodeCompletionString(), createCodeCompletionStringForDecl(), and getDeclaration().

◆ DeclaringEntity

bool clang::CodeCompletionResult::DeclaringEntity

Whether we're completing a declaration of the given entity, rather than a use of that entity.

Definition at line 858 of file CodeCompleteConsumer.h.

Referenced by createCodeCompletionStringForDecl().

◆ FixIts

std::vector<FixItHint> clang::CodeCompletionResult::FixIts

Fix-its that must be applied before inserting the text for the corresponding completion.

By default, CodeCompletionBuilder only returns completions with empty fix-its. Extra completions with non-empty fix-its should be explicitly requested by setting CompletionOptions::IncludeFixIts.

For the clients to be able to compute position of the cursor after applying fix-its, the following conditions are guaranteed to hold for RemoveRange of the stored fix-its:

Ranges in the fix-its are guaranteed to never contain the completion point (or identifier under completion point, if any) inside them, except at the start or at the end of the range.
If a fix-it range starts or ends with completion point (or starts or ends after the identifier under completion point), it will contain at least one character. It allows to unambiguously recompute completion point after applying the fix-it.

The intuition is that provided fix-its change code around the identifier we complete, but are not allowed to touch the identifier itself or the completion point. One example of completions with corrections are the ones replacing '.' with '->' and vice versa:

std::unique_ptr<std::vector<int>> vec_ptr; In 'vec_ptr.^', one of the completions is 'push_back', it requires replacing '.' with '->'. In 'vec_ptr->^', one of the completions is 'release', it requires replacing '->' with '.'.

Definition at line 837 of file CodeCompleteConsumer.h.

◆ FunctionCanBeCall

bool clang::CodeCompletionResult::FunctionCanBeCall

When completing a function, whether it can be a call.

This will usually be true, but we have some heuristics, e.g. when a pointer to a non-static member function is completed outside of that class' scope, it can never be a call.

Definition at line 864 of file CodeCompleteConsumer.h.

Referenced by createCodeCompletionStringForDecl().

◆ Hidden

bool clang::CodeCompletionResult::Hidden

Whether this result is hidden by another name.

Definition at line 840 of file CodeCompleteConsumer.h.

◆ InBaseClass

bool clang::CodeCompletionResult::InBaseClass

Whether this is a class member from base class.

Definition at line 843 of file CodeCompleteConsumer.h.

Referenced by setInBaseClass().

◆ Keyword

const char* clang::CodeCompletionResult::Keyword

When Kind == RK_Keyword, the string representing the keyword or symbol's spelling.

Definition at line 783 of file CodeCompleteConsumer.h.

Referenced by CreateCodeCompletionString(), createCodeCompletionStringForDecl(), and getKeyword().

◆ Kind

ResultKind clang::CodeCompletionResult::Kind

The kind of result stored here.

Definition at line 801 of file CodeCompleteConsumer.h.

Referenced by CreateCodeCompletionString(), CreateCodeCompletionStringForMacro(), getDeclaration(), and getKeyword().

◆ Macro

const IdentifierInfo* clang::CodeCompletionResult::Macro

When Kind == RK_Macro, the identifier that refers to a macro.

Definition at line 790 of file CodeCompleteConsumer.h.

Referenced by CreateCodeCompletionStringForMacro().

◆ MacroDefInfo

const MacroInfo* clang::CodeCompletionResult::MacroDefInfo = nullptr

If the result is RK_Macro, this can store the information about the macro definition.

This should be set in most cases but can be missing when the macro has been undefined.

Definition at line 880 of file CodeCompleteConsumer.h.

◆ Pattern

CodeCompletionString* clang::CodeCompletionResult::Pattern

When Kind == RK_Pattern, the code-completion string that describes the completion text to insert.

Definition at line 787 of file CodeCompleteConsumer.h.

Referenced by CreateCodeCompletionString().

◆ Priority

unsigned clang::CodeCompletionResult::Priority

The priority of this particular code-completion result.

Definition at line 794 of file CodeCompleteConsumer.h.

Referenced by CreateCodeCompletionString(), CreateCodeCompletionStringForMacro(), and setInBaseClass().

◆ Qualifier

NestedNameSpecifier* clang::CodeCompletionResult::Qualifier = nullptr

If the result should have a nested-name-specifier, this is it.

When QualifierIsInformative, the nested-name-specifier is informative rather than required.

Definition at line 869 of file CodeCompleteConsumer.h.

Referenced by createCodeCompletionStringForDecl().

◆ QualifierIsInformative

bool clang::CodeCompletionResult::QualifierIsInformative

Whether this result was found via lookup into a base class.

Definition at line 846 of file CodeCompleteConsumer.h.

Referenced by createCodeCompletionStringForDecl().

◆ ShadowDecl

const UsingShadowDecl* clang::CodeCompletionResult::ShadowDecl = nullptr

If this Decl was unshadowed by using declaration, this can store a pointer to the UsingShadowDecl which was used in the unshadowing process.

This information can be used to uprank CodeCompletionResults / which have corresponding using decl::qualified::name; nearby.

Definition at line 875 of file CodeCompleteConsumer.h.

◆ StartParameter

unsigned clang::CodeCompletionResult::StartParameter = 0

Specifies which parameter (of a function, Objective-C method, macro, etc.) we should start with when formatting the result.

Definition at line 798 of file CodeCompleteConsumer.h.

Referenced by createCodeCompletionStringForDecl().

◆ StartsNestedNameSpecifier

bool clang::CodeCompletionResult::StartsNestedNameSpecifier

Whether this declaration is the beginning of a nested-name-specifier and, therefore, should be followed by '::'.

Definition at line 850 of file CodeCompleteConsumer.h.

Referenced by createCodeCompletionStringForDecl().

The documentation for this class was generated from the following files:

include/clang/Sema/CodeCompleteConsumer.h
lib/Sema/CodeCompleteConsumer.cpp
lib/Sema/SemaCodeComplete.cpp

Public Types

Public Member Functions

Public Attributes

Detailed Description

Member Enumeration Documentation

◆ ResultKind

Constructor & Destructor Documentation

◆ CodeCompletionResult() [1/5]

◆ CodeCompletionResult() [2/5]

◆ CodeCompletionResult() [3/5]

◆ CodeCompletionResult() [4/5]

◆ CodeCompletionResult() [5/5]

Member Function Documentation

◆ CreateCodeCompletionString() [1/2]

◆ CreateCodeCompletionString() [2/2]

◆ createCodeCompletionStringForDecl()

◆ CreateCodeCompletionStringForMacro()

◆ createCodeCompletionStringForOverride()

◆ getDeclaration()

◆ getKeyword()

◆ getOrderedName()

Member Data Documentation

◆

◆ AllParametersAreInformative

◆ Availability

◆ CursorKind

◆ Declaration

◆ DeclaringEntity

◆ FixIts

◆ FunctionCanBeCall

◆ Hidden

◆ InBaseClass

◆ Keyword

◆ Kind

◆ Macro

◆ MacroDefInfo

◆ Pattern

◆ Priority

◆ Qualifier

◆ QualifierIsInformative

◆ ShadowDecl

◆ StartParameter

◆ StartsNestedNameSpecifier