Package com.intellij.psi.infos

Class MethodCandidateInfo

java.lang.Object

com.intellij.psi.infos.CandidateInfo

com.intellij.psi.infos.MethodCandidateInfo

All Implemented Interfaces:

SymbolResolveResult, JavaResolveResult, ResolveResult

public class MethodCandidateInfo
extends CandidateInfo

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	MethodCandidateInfo.ApplicabilityLevel
static interface	MethodCandidateInfo.ApplicabilityLevelConstant

Field Summary

Fields

Modifier and Type	Field and Description
static RecursionGuard<PsiElement>	ourOverloadGuard

Fields inherited from class com.intellij.psi.infos.CandidateInfo

EMPTY_ARRAY, mySubstitutor, RESOLVE_RESULT_FOR_PACKAGE_PREFIX_PACKAGE

Fields inherited from interface com.intellij.psi.JavaResolveResult

EMPTY

Constructor Summary

Constructors

Constructor and Description
MethodCandidateInfo(PsiElement candidate, PsiSubstitutor substitutor, boolean accessProblem, boolean staticsProblem, PsiElement argumentList, PsiElement currFileContext, PsiType [] argumentTypes, PsiType[] typeArguments)
MethodCandidateInfo(PsiElement candidate, PsiSubstitutor substitutor, boolean accessProblem, boolean staticsProblem, PsiElement argumentList, PsiElement currFileContext, PsiType [] argumentTypes, PsiType[] typeArguments, LanguageLevel languageLevel)

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object o)
int	getApplicabilityLevel()
PsiType []	getArgumentTypes()
PsiMethod	getElement() Returns the result of the resolve.
java.lang.String	getInferenceErrorMessage()
java.lang.String	getInferenceErrorMessageAssumeAlreadyComputed()
protected PsiElement	getParent()
int	getPertinentApplicabilityLevel()
PsiSubstitutor	getSiteSubstitutor()
PsiSubstitutor	getSubstitutor() Substitutor providing values of type parameters occurring in ResolveResult.getElement().
PsiSubstitutor	getSubstitutor(boolean includeReturnConstraint)
int	hashCode()
PsiSubstitutor	inferSubstitutorFromArgs(ParameterTypeInferencePolicy policy, PsiExpression[] arguments)
PsiSubstitutor	inferTypeArguments(ParameterTypeInferencePolicy policy, boolean includeReturnConstraint)
PsiSubstitutor	inferTypeArguments(ParameterTypeInferencePolicy policy, PsiExpression [] arguments, boolean includeReturnConstraint) If iterated through all candidates, should be called under ourOverloadGuard guard so results won't be cached on the top level call
boolean	isApplicable()
boolean	isErased()
boolean	isInferencePossible()
boolean	isOnArgumentList(PsiExpressionList argumentList)
static boolean	isOverloadCheck()
static boolean	isOverloadCheck(PsiElement argumentList)
ThreeState	isPotentiallyCompatible() 15.12.2.1 Identify Potentially Applicable Methods
boolean	isRawSubstitution()
boolean	isToInferApplicability()
boolean	isTypeArgumentsApplicable()
boolean	isValidResult() Checks if the reference was resolved to a valid element.
boolean	isVarargs() To use during overload resolution to choose if method can be applicable by strong/loose invocation.
void	markNotApplicable()
void	setApplicabilityError(java.lang.String applicabilityError) Should be invoked on the top level call expression candidate only
void	setErased()

Methods inherited from class com.intellij.psi.infos.CandidateInfo

getCurrentFileResolveScope, isAccessible, isPackagePrefixPackageReference, isStaticsScopeCorrect, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.intellij.psi.ResolveResult

getTarget

Methods inherited from interface com.intellij.model.SymbolResolveResult

fromSymbol

Field Detail

ourOverloadGuard

public static final RecursionGuard<PsiElement> ourOverloadGuard

Constructor Detail

MethodCandidateInfo

public MethodCandidateInfo(PsiElement candidate,
                           PsiSubstitutor substitutor,
                           boolean accessProblem,
                           boolean staticsProblem,
                           PsiElement argumentList,
                           PsiElement currFileContext,
                           PsiType [] argumentTypes,
                           PsiType[] typeArguments)

MethodCandidateInfo

public MethodCandidateInfo(PsiElement candidate,
                           PsiSubstitutor substitutor,
                           boolean accessProblem,
                           boolean staticsProblem,
                           PsiElement argumentList,
                           PsiElement currFileContext,
                           PsiType [] argumentTypes,
                           PsiType[] typeArguments,
                           LanguageLevel languageLevel)

Method Detail

isVarargs

public boolean isVarargs()

To use during overload resolution to choose if method can be applicable by strong/loose invocation.

Returns:

true only for java 8+ varargs methods.

isApplicable

public boolean isApplicable()

getApplicabilityLevel

public int getApplicabilityLevel()

getPertinentApplicabilityLevel

public int getPertinentApplicabilityLevel()

isOnArgumentList

public boolean isOnArgumentList(PsiExpressionList argumentList)

setErased

public void setErased()

isErased

public boolean isErased()

isToInferApplicability

public boolean isToInferApplicability()

isPotentiallyCompatible

public ThreeState isPotentiallyCompatible()

15.12.2.1 Identify Potentially Applicable Methods

getSiteSubstitutor

public PsiSubstitutor getSiteSubstitutor()

getSubstitutor

public PsiSubstitutor getSubstitutor()

Description copied from interface: JavaResolveResult

Substitutor providing values of type parameters occurring in ResolveResult.getElement().

Specified by:

getSubstitutor in interface JavaResolveResult

Overrides:

getSubstitutor in class CandidateInfo

getSubstitutor

public PsiSubstitutor getSubstitutor(boolean includeReturnConstraint)

isOverloadCheck

public static boolean isOverloadCheck()

isOverloadCheck

public static boolean isOverloadCheck(PsiElement argumentList)

isTypeArgumentsApplicable

public boolean isTypeArgumentsApplicable()

getParent

protected PsiElement getParent()

isValidResult

public boolean isValidResult()

Description copied from interface: ResolveResult

Checks if the reference was resolved to a valid element.

Specified by:

isValidResult in interface ResolveResult

Overrides:

isValidResult in class CandidateInfo

Returns:

true if the resolve encountered no problems

getElement

public PsiMethod getElement()

Description copied from interface: ResolveResult

Returns the result of the resolve.

Specified by:

getElement in interface ResolveResult

Overrides:

getElement in class CandidateInfo

Returns:

an element the reference is resolved to.

inferTypeArguments

public PsiSubstitutor inferTypeArguments(ParameterTypeInferencePolicy policy,
                                         boolean includeReturnConstraint)

inferSubstitutorFromArgs

public PsiSubstitutor inferSubstitutorFromArgs(ParameterTypeInferencePolicy policy,
                                               PsiExpression[] arguments)

inferTypeArguments

public PsiSubstitutor inferTypeArguments(ParameterTypeInferencePolicy policy,
                                         PsiExpression [] arguments,
                                         boolean includeReturnConstraint)

If iterated through all candidates, should be called under ourOverloadGuard guard so results won't be cached on the top level call

isRawSubstitution

public boolean isRawSubstitution()

isInferencePossible

public boolean isInferencePossible()

getArgumentTypes

public PsiType [] getArgumentTypes()

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class CandidateInfo

hashCode

public int hashCode()

Overrides:

hashCode in class CandidateInfo

setApplicabilityError

public void setApplicabilityError(java.lang.String applicabilityError)

Should be invoked on the top level call expression candidate only

markNotApplicable

public void markNotApplicable()

getInferenceErrorMessage

public java.lang.String getInferenceErrorMessage()

getInferenceErrorMessageAssumeAlreadyComputed

public java.lang.String getInferenceErrorMessageAssumeAlreadyComputed()