org.aspectj.org.eclipse.jdt.internal.compiler.ast

Class MessageSend

java.lang.Object

org.aspectj.org.eclipse.jdt.internal.compiler.ast.ASTNode

org.aspectj.org.eclipse.jdt.internal.compiler.ast.Statement

org.aspectj.org.eclipse.jdt.internal.compiler.ast.Expression

org.aspectj.org.eclipse.jdt.internal.compiler.ast.MessageSend

All Implemented Interfaces:

Invocation, InvocationSite, TypeConstants, TypeIds

Direct Known Subclasses:

CodeSnippetMessageSend, CompletionOnMessageSend, CompletionOnMessageSendName, JavadocMessageSend, KnownMessageSend, Proceed, SelectionOnMessageSend

public class MessageSend
extends Expression
implements Invocation

AspectJ Extension - support for MethodBinding.alwaysNeedsAccessMethod Possible mergeconflict? Was InvocationSite but now Invocation in implements clause

Nested Class Summary

Nested classes/interfaces inherited from interface org.aspectj.org.eclipse.jdt.internal.compiler.lookup.InvocationSite

InvocationSite.EmptyWithAstNode

Nested classes/interfaces inherited from interface org.aspectj.org.eclipse.jdt.internal.compiler.lookup.TypeConstants

TypeConstants.CloseMethodRecord

Field Summary

Fields

Modifier and Type	Field and Description
TypeBinding	actualReceiverType
Expression[]	arguments
MethodBinding	binding
TypeBinding	expectedType
TypeBinding[]	genericTypeArguments
protected InnerInferenceHelper	innerInferenceHelper
long	nameSourcePosition
Expression	receiver
char[]	selector
MethodBinding	syntheticAccessor
TypeReference[]	typeArguments
TypeBinding	valueCast

Fields inherited from class org.aspectj.org.eclipse.jdt.internal.compiler.ast.Expression

constant, implicitConversion, resolvedType, statementEnd

Fields inherited from class org.aspectj.org.eclipse.jdt.internal.compiler.ast.Statement

COMPLAINED_FAKE_REACHABLE, COMPLAINED_UNREACHABLE, NOT_COMPLAINED

Fields inherited from class org.aspectj.org.eclipse.jdt.internal.compiler.ast.ASTNode

Bit1, Bit10, Bit11, Bit12, Bit13, Bit14, Bit15, Bit16, Bit17, Bit18, Bit19, Bit2, Bit20, Bit21, Bit22, Bit23, Bit24, Bit25, Bit26, Bit27, Bit28, Bit29, Bit3, Bit30, Bit31, Bit32, Bit32L, Bit33L, Bit34L, Bit35L, Bit36L, Bit37L, Bit38L, Bit39L, Bit4, Bit40L, Bit41L, Bit42L, Bit43L, Bit44L, Bit45L, Bit46L, Bit47L, Bit48L, Bit49L, Bit5, Bit50L, Bit51L, Bit52L, Bit53L, Bit54L, Bit55L, Bit56L, Bit57L, Bit58L, Bit59L, Bit6, Bit60L, Bit61L, Bit62L, Bit63L, Bit64L, Bit7, Bit8, Bit9, bits, BlockExit, CanBeStatic, ContainsAssertion, DepthMASK, DepthSHIFT, DidResolve, DisableUnnecessaryCastCheck, DiscardEnclosingInstance, DocumentedCasesOmitted, DocumentedFallthrough, Empty, ErrorInSignature, FirstAssignmentToLocal, GenerateCheckcast, HasAbstractMethods, HasAllMethodBodies, HasBeenGenerated, HasBeenResolved, HasFunctionalInterfaceTypes, HasLocalType, HasSyntaxErrors, HasTypeAnnotations, IgnoreNoEffectAssignCheck, IgnoreRawTypeCheck, InsideExpressionStatement, InsideJavadoc, INVOCATION_ARGUMENT_OK, INVOCATION_ARGUMENT_UNCHECKED, INVOCATION_ARGUMENT_WILDCARD, IsAnnotationDefaultValue, IsAnonymousType, IsAnySubRoutineEscaping, IsArgument, IsCapturedOuterLocal, IsCompoundAssigned, IsDefaultConstructor, IsDiamond, IsElseIfStatement, IsElseStatementUnreachable, IsForeachElementVariable, IsImplicitThis, IsImplicitUnit, IsLocalDeclarationReachable, IsLocalType, IsMemberType, IsNonNull, IsReachable, IsRecovered, IsReturnedValue, IsSecondaryType, IsStrictlyAssigned, IsSubRoutineEscaping, IsSuperType, IsSynchronized, IsSynthetic, IsThenStatementUnreachable, IsTryBlockExiting, IsTypeElided, IsUnionType, IsUsefulEmptyStatement, IsVarArgs, LabelUsed, NeededScope, NeedFreeReturn, NeedReceiverGenericCast, NO_ARGUMENTS, OnDemand, OperatorMASK, OperatorSHIFT, OverridingMethodWithSupercall, ParenthesizedMASK, ParenthesizedSHIFT, ResolveJavadoc, RestrictiveFlagMASK, ReturnTypeIDMASK, ShadowsOuterLocal, sourceEnd, sourceStart, SuperAccess, ThenExit, Unchecked, UndocumentedEmptyBlock, UnnecessaryCast, UnsafeCast, Used

Fields inherited from interface org.aspectj.org.eclipse.jdt.internal.compiler.lookup.TypeConstants

ANNOTATION, ANNOTATION_PREFIX, ANNOTATION_SUFFIX, ANONYM_PREFIX, ANONYM_SUFFIX, ANONYMOUS_METHOD, APACHE, APACHE_DBUTILS, APACHE_IOUTILS, ASSERT_CLASS, ASSERT_FALSE, ASSERT_NOTNULL, ASSERT_NULL, ASSERT_TRUE, BOOLEAN, BYTE, CAPTURE18, CHAR, CharArray_JAVA_IO_OBJECTINPUTSTREAM, CharArray_JAVA_IO_OBJECTOUTPUTSTREAM, CharArray_JAVA_IO_OBJECTSTREAMFIELD, CharArray_JAVA_LANG_ANNOTATION_ANNOTATION, CharArray_JAVA_LANG_ENUM, CharArray_JAVA_LANG_OBJECT, CHECK_ARGUMENT, CHECK_NOT_NULL, CHECK_STATE, CLINIT, CLONE, CLOSE, CLOSE_QUIETLY, closeMethods, COM, COM_GOOGLE_COMMON_BASE_PRECONDITIONS, COM_GOOGLE_INJECT_INJECT, COMMONS, COMPILER, CONSTRAINT_EQUAL, CONSTRAINT_EXTENDS, CONSTRAINT_SUPER, CORE, DEFAULT_LOCATION__ARRAY_CONTENTS, DEFAULT_LOCATION__FIELD, DEFAULT_LOCATION__PARAMETER, DEFAULT_LOCATION__RETURN_TYPE, DEFAULT_LOCATION__TYPE_ARGUMENT, DEFAULT_LOCATION__TYPE_BOUND, DEFAULT_LOCATION__TYPE_PARAMETER, DESERIALIZE_LAMBDA, DOM, DOUBLE, ECLIPSE, EQUALS, FLOAT, FRAMEWORK, GETCLASS, GOOGLE, GUAVA_CLOSEABLES, HASHCODE, INIT, INJECT_PACKAGE, INJECT_TYPE, INT, INTERNAL, INVOKE, IO, IS_NOTNULL, IS_TRUE, ITYPEBINDING, JAVA, JAVA_IO, JAVA_IO_CLOSEABLE, JAVA_IO_EXTERNALIZABLE, JAVA_IO_IOEXCEPTION, JAVA_IO_OBJECTINPUTSTREAM, JAVA_IO_OBJECTOUTPUTSTREAM, JAVA_IO_OBJECTSTREAMEXCEPTION, JAVA_IO_PRINTSTREAM, JAVA_IO_RESOURCE_FREE_CLOSEABLES, JAVA_IO_SERIALIZABLE, JAVA_IO_WRAPPER_CLOSEABLES, JAVA_LANG, JAVA_LANG_ANNOTATION_ANNOTATION, JAVA_LANG_ANNOTATION_DOCUMENTED, JAVA_LANG_ANNOTATION_ELEMENTTYPE, JAVA_LANG_ANNOTATION_INHERITED, JAVA_LANG_ANNOTATION_REPEATABLE, JAVA_LANG_ANNOTATION_RETENTION, JAVA_LANG_ANNOTATION_RETENTIONPOLICY, JAVA_LANG_ANNOTATION_TARGET, JAVA_LANG_ASSERTIONERROR, JAVA_LANG_AUTOCLOSEABLE, JAVA_LANG_BOOLEAN, JAVA_LANG_BYTE, JAVA_LANG_CHARACTER, JAVA_LANG_CLASS, JAVA_LANG_CLASSNOTFOUNDEXCEPTION, JAVA_LANG_CLONEABLE, JAVA_LANG_DEPRECATED, JAVA_LANG_DOUBLE, JAVA_LANG_ENUM, JAVA_LANG_ERROR, JAVA_LANG_EXCEPTION, JAVA_LANG_FLOAT, JAVA_LANG_FUNCTIONAL_INTERFACE, JAVA_LANG_ILLEGALARGUMENTEXCEPTION, JAVA_LANG_INTEGER, JAVA_LANG_INVOKE_LAMBDAMETAFACTORY, JAVA_LANG_INVOKE_METHODHANDLE_$_POLYMORPHICSIGNATURE, JAVA_LANG_INVOKE_METHODHANDLE_POLYMORPHICSIGNATURE, JAVA_LANG_INVOKE_METHODHANDLES, JAVA_LANG_INVOKE_SERIALIZEDLAMBDA, JAVA_LANG_ITERABLE, JAVA_LANG_LONG, JAVA_LANG_NOCLASSDEFERROR, JAVA_LANG_OBJECT, JAVA_LANG_OVERRIDE, JAVA_LANG_REFLECT_CONSTRUCTOR, JAVA_LANG_REFLECT_FIELD, JAVA_LANG_REFLECT_METHOD, JAVA_LANG_RUNTIMEEXCEPTION, JAVA_LANG_SAFEVARARGS, JAVA_LANG_SHORT, JAVA_LANG_STRING, JAVA_LANG_STRINGBUFFER, JAVA_LANG_STRINGBUILDER, JAVA_LANG_SUPPRESSWARNINGS, JAVA_LANG_SYSTEM, JAVA_LANG_THROWABLE, JAVA_LANG_VOID, JAVA_NIO_FILE_FILES, JAVA_UTIL_COLLECTION, JAVA_UTIL_ITERATOR, JAVA_UTIL_OBJECTS, JAVA_UTIL_ZIP_WRAPPER_CLOSEABLES, JAVAX, JAVAX_ANNOTATION_INJECT_INJECT, JAVAX_RMI_CORBA_STUB, JDT, JUNIT, JUNIT_FRAMEWORK_ASSERT, LAMBDA_TYPE, LANG, LANG3, LENGTH, LONG, LOOKUP, MAIN, MISMATCH, NOT_NULL, NULL, OBJECT, OK, OPTIONAL, ORG, ORG_APACHE_COMMONS_LANG_VALIDATE, ORG_APACHE_COMMONS_LANG3_VALIDATE, ORG_ECLIPSE_CORE_RUNTIME_ASSERT, ORG_ECLIPSE_JDT_CORE_DOM_ITYPEBINDING, ORG_ECLIPSE_JDT_INTERNAL_COMPILER_LOOKUP_TYPEBINDING, ORG_JUNIT_ASSERT, OTHER_WRAPPER_CLOSEABLES, PACKAGE_INFO_NAME, READOBJECT, READRESOLVE, REFLECT, REQUIRE_NON_NULL, RESOURCE_FREE_CLOSEABLE_STREAM, RUNTIME, SERIALPERSISTENTFIELDS, SERIALVERSIONUID, SHORT, SYNTHETIC_ACCESS_METHOD_PREFIX, SYNTHETIC_ASSERT_DISABLED, SYNTHETIC_CLASS, SYNTHETIC_ENCLOSING_INSTANCE_PREFIX, SYNTHETIC_ENUM_CONSTANT_INITIALIZATION_METHOD_PREFIX, SYNTHETIC_ENUM_VALUES, SYNTHETIC_OUTER_LOCAL_PREFIX, SYNTHETIC_STATIC_FACTORY, SYNTHETIC_SWITCH_ENUM_TABLE, TYPE, TYPE_PARAMETER_TARGET, TYPE_USE_TARGET, TYPEBINDING, UNCHECKED, UPPER_ANNOTATION_TYPE, UPPER_CLASS, UPPER_CONSTRUCTOR, UPPER_FIELD, UPPER_LOCAL_VARIABLE, UPPER_METHOD, UPPER_PACKAGE, UPPER_PARAMETER, UPPER_RUNTIME, UPPER_SOURCE, UTIL, VALIDATE_CLASS, VALUE, VALUEOF, VALUES, VOID, WILDCARD_CAPTURE, WILDCARD_CAPTURE_NAME_PREFIX, WILDCARD_CAPTURE_NAME_SUFFIX, WILDCARD_EXTENDS, WILDCARD_MINUS, WILDCARD_NAME, WILDCARD_PLUS, WILDCARD_STAR, WILDCARD_SUPER, WRITEOBJECT, WRITEREPLACE, ZIP

Fields inherited from interface org.aspectj.org.eclipse.jdt.internal.compiler.lookup.TypeIds

BitAutoCloseable, BitCloseable, BitResourceFreeCloseable, BitUninitialized, BitUninternedType, BitWrapperCloseable, Boolean2Boolean, Boolean2Int, Boolean2String, BOXING, Byte2Byte, Byte2Char, Byte2Double, Byte2Float, Byte2Int, Byte2Long, Byte2Short, Byte2String, Char2Byte, Char2Char, Char2Double, Char2Float, Char2Int, Char2Long, Char2Short, Char2String, COMPILE_TYPE_MASK, Double2Byte, Double2Char, Double2Double, Double2Float, Double2Int, Double2Long, Double2Short, Double2String, Float2Byte, Float2Char, Float2Double, Float2Float, Float2Int, Float2Long, Float2Short, Float2String, IMPLICIT_CONVERSION_MASK, InheritableBits, Int2Byte, Int2Char, Int2Double, Int2Float, Int2Int, Int2Long, Int2Short, Int2String, Long2Byte, Long2Char, Long2Double, Long2Float, Long2Int, Long2Long, Long2Short, Long2String, NoId, Null2Null, Null2String, Object2boolean, Object2byte, Object2char, Object2double, Object2float, Object2int, Object2long, Object2Object, Object2short, Object2String, Short2Byte, Short2Char, Short2Double, Short2Float, Short2Int, Short2Long, Short2Short, Short2String, String2String, T_boolean, T_byte, T_char, T_ComGoogleCommonBasePreconditions, T_ComGoogleInjectInject, T_ConfiguredAnnotationNonNull, T_ConfiguredAnnotationNonNullByDefault, T_ConfiguredAnnotationNullable, T_double, T_float, T_int, T_JavaIoException, T_JavaIoExternalizable, T_JavaIoObjectStreamException, T_JavaIoPrintStream, T_JavaIoSerializable, T_JavaLangAnnotationAnnotation, T_JavaLangAnnotationDocumented, T_JavaLangAnnotationElementType, T_JavaLangAnnotationInherited, T_JavaLangAnnotationRepeatable, T_JavaLangAnnotationRetention, T_JavaLangAnnotationRetentionPolicy, T_JavaLangAnnotationTarget, T_JavaLangAssertionError, T_JavaLangAutoCloseable, T_JavaLangBoolean, T_JavaLangByte, T_JavaLangCharacter, T_JavaLangClass, T_JavaLangClassNotFoundException, T_JavaLangCloneable, T_JavaLangDeprecated, T_JavaLangDouble, T_JavaLangEnum, T_JavaLangError, T_JavaLangException, T_JavaLangFloat, T_JavaLangFunctionalInterface, T_JavaLangIllegalArgumentException, T_JavaLangInteger, T_JavaLangInvokeMethodHandlePolymorphicSignature, T_JavaLangIterable, T_JavaLangLong, T_JavaLangNoClassDefError, T_JavaLangObject, T_JavaLangOverride, T_JavaLangReflectConstructor, T_JavaLangReflectField, T_JavaLangReflectMethod, T_JavaLangRuntimeException, T_JavaLangSafeVarargs, T_JavaLangShort, T_JavaLangString, T_JavaLangStringBuffer, T_JavaLangStringBuilder, T_JavaLangSuppressWarnings, T_JavaLangSystem, T_JavaLangThrowable, T_JavaLangVoid, T_JavaUtilCollection, T_JavaUtilIterator, T_JavaUtilObjects, T_JavaxInjectInject, T_JunitFrameworkAssert, T_LastWellKnownTypeId, T_long, T_null, T_OrgApacheCommonsLang3Validate, T_OrgApacheCommonsLangValidate, T_OrgEclipseCoreRuntimeAssert, T_OrgJunitAssert, T_short, T_undefined, T_void, UNBOXING

Constructor Summary

Constructors

Constructor and Description
MessageSend()

Method Summary

Methods

Modifier and Type	Method and Description
FlowInfo	analyseCode(BlockScope currentScope, FlowContext flowContext, FlowInfo flowInfo)
Expression[]	arguments()
MethodBinding	binding(TypeBinding targetType, boolean reportErrors, Scope scope) Answer the resolved method binding of this invocation.
TypeBinding	checkAgainstFinalTargetType(TypeBinding targetType, Scope scope) Once outer contexts have finalized the target type for this expression, perform any checks that might have been delayed previously.
boolean	checkNPE(BlockScope scope, FlowContext flowContext, FlowInfo flowInfo) Check this expression against potential NPEs, which may occur: if the expression is the receiver in a field access, qualified allocation, array reference or message send incl.
void	computeConversion(Scope scope, TypeBinding runtimeTimeType, TypeBinding compileTimeType) Base types need that the widening is explicitly done by the compiler using some bytecode like i2f.
protected void	findMethodBinding(BlockScope scope, TypeBinding[] argumentTypes) Find the method binding; if this.innersNeedUpdate allow for two attempts where the first round may stop after applicability checking (18.5.1) to include more information into the final invocation type inference (18.5.2).
InferenceContext18	freshInferenceContext(Scope scope) When inference for this invocationSite starts, get a fresh inference context, initialized from this site.
void	generateCode(BlockScope currentScope, CodeStream codeStream, boolean valueRequired) MessageSend code generation
TypeBinding[]	genericTypeArguments()
ExpressionContext	getExpressionContext()
InferenceContext18	getInferenceContext(ParameterizedMethodBinding method) Retrieve an inference context for the given method which must have been registered using Invocation.registerInferenceContext(ParameterizedGenericMethodBinding, InferenceContext18).
InnerInferenceHelper	innerInferenceHelper() If this invocation has any poly expressions as arguments, this method answers an inference helper that mediates during overload resolution, even if no actual inference happens for this invocation.
boolean	innersNeedUpdate() Answer whether the current invocation has inner expressions that still need updating after inference.
void	innerUpdateDone() Mark that updating (the need for which is signaled via Invocation.innersNeedUpdate()) has been done.
TypeBinding	invocationTargetType() Implementation of InvocationSite.invocationTargetType() suitable at this level.
boolean	isPolyExpression()
boolean	isPolyExpression(MethodBinding resolutionCandidate) Variant of isPolyExpression() to be used during type inference, when a resolution candidate exists.
boolean	isSuperAccess()
boolean	isTypeAccess()
void	manageSyntheticAccessIfNecessary(BlockScope currentScope, FlowInfo flowInfo)
int	nullStatus(FlowInfo flowInfo, FlowContext flowContext)
TypeBinding	postConversionType(Scope scope) Returns the type of the expression after required implicit conversions.
java.lang.StringBuffer	printExpression(int indent, java.lang.StringBuffer output)
boolean	receiverIsImplicitThis()
void	registerInferenceContext(ParameterizedGenericMethodBinding method, InferenceContext18 infCtx18) Register the given inference context, which produced the given method as its intermediate result.
protected void	resolveMethodBinding(BlockScope scope, TypeBinding[] argumentTypes)
TypeBinding	resolveType(BlockScope scope) Resolve the type of this expression in the context of a blockScope
void	setActualReceiverType(ReferenceBinding receiverType)
void	setDepth(int depth)
void	setExpectedType(TypeBinding expectedType) Record the type expectation before this expression is typechecked.
void	setExpressionContext(ExpressionContext context)
void	setFieldIndex(int depth)
boolean	sIsMoreSpecific(TypeBinding s, TypeBinding t, Scope scope)
boolean	statementExpression()
void	traverse(ASTVisitor visitor, BlockScope blockScope) Traverse an expression in the context of a blockScope
boolean	updateBindings(MethodBinding updatedBinding, TypeBinding targetType) Where the AST node may hold references to the results of Invocation Applicability Inference, this method allows to update those references to the result of Invocation Type Inference.
boolean	usesInference() Answer true if this invocation has determined its binding using inference.

Methods inherited from class org.aspectj.org.eclipse.jdt.internal.compiler.ast.Expression

analyseCode, checkCastTypesCompatibility, checkNPEbyUnboxing, checkUnsafeCast, forcedToBeRaw, generateCode, generateOptimizedBoolean, generateOptimizedStringConcatenation, generateOptimizedStringConcatenationCreation, getDirectBinding, isAssignmentCompatible, isBoxingCompatibleWith, isCompactableOperation, isCompatibleWith, isConstantValueOfTypeAssignableToType, isConstantValueRepresentable, isExactMethodReference, isPertinentToApplicability, isTypeReference, localVariableBinding, markAsNonNull, nullAnnotatedVariableBinding, optimizedBooleanConstant, print, printStatement, resolve, resolveType, resolveTypeExpecting, reusableJSRTarget, tagAsEllipsisArgument, tagAsNeedCheckCast, tagAsUnnecessaryCast, toTypeReference, traverse

Methods inherited from class org.aspectj.org.eclipse.jdt.internal.compiler.ast.Statement

analyseArguments, branchChainTo, checkAgainstNullTypeAnnotation, complainIfUnreachable, expectedType, findConstructorBinding, generateArguments, isBoxingCompatible, isEmptyBlock, isKnowDeadCodePattern, isValidJavaStatement, recordExceptionsForEnclosingLambda, resolveCase

Methods inherited from class org.aspectj.org.eclipse.jdt.internal.compiler.ast.ASTNode

checkInvocationArguments, concreteStatement, copySE8AnnotationsToType, isFieldUseDeprecated, isImplicitThis, isMethodUseDeprecated, isSuper, isThis, isTypeUseDeprecated, isUnqualifiedSuper, printAnnotations, printIndent, printModifiers, resolveAnnotations, resolveAnnotations, resolveAnnotations, resolveDeprecatedAnnotations, resolvePolyExpressionArguments, resolvePolyExpressionArguments, sourceEnd, sourceStart, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.aspectj.org.eclipse.jdt.internal.compiler.lookup.InvocationSite

sourceEnd, sourceStart

Field Detail

receiver

public Expression receiver

selector

public char[] selector

arguments

public Expression[] arguments

binding

public MethodBinding binding

syntheticAccessor

public MethodBinding syntheticAccessor

expectedType

public TypeBinding expectedType

nameSourcePosition

public long nameSourcePosition

actualReceiverType

public TypeBinding actualReceiverType

valueCast

public TypeBinding valueCast

typeArguments

public TypeReference[] typeArguments

genericTypeArguments

public TypeBinding[] genericTypeArguments

innerInferenceHelper

protected InnerInferenceHelper innerInferenceHelper

Constructor Detail

MessageSend

public MessageSend()

Method Detail

analyseCode

public FlowInfo analyseCode(BlockScope currentScope,
                   FlowContext flowContext,
                   FlowInfo flowInfo)

Overrides:

analyseCode in class Expression

checkNPE

public boolean checkNPE(BlockScope scope,
               FlowContext flowContext,
               FlowInfo flowInfo)

Description copied from class: Expression

Check this expression against potential NPEs, which may occur:

• if the expression is the receiver in a field access, qualified allocation, array reference or message send incl. implicit message sends like it happens for the collection in a foreach statement.
• if the expression is subject to unboxing
• if the expression is the exception in a throw statement

If a risk of NPE is detected report it to the context. If the expression denotes a local variable, mark it as checked, which affects the flow info.

Overrides:

checkNPE in class Expression

Parameters:

scope - the scope of the analysis

flowContext - the current flow context

flowInfo - the upstream flow info; caveat: may get modified

Returns:

could this expression be checked by the current implementation?

computeConversion

public void computeConversion(Scope scope,
                     TypeBinding runtimeTimeType,
                     TypeBinding compileTimeType)

Description copied from class: Expression

Base types need that the widening is explicitly done by the compiler using some bytecode like i2f. Also check unsafe type operations.

Overrides:

computeConversion in class Expression

See Also:

Expression.computeConversion(org.aspectj.org.eclipse.jdt.internal.compiler.lookup.Scope, org.aspectj.org.eclipse.jdt.internal.compiler.lookup.TypeBinding, org.aspectj.org.eclipse.jdt.internal.compiler.lookup.TypeBinding)

generateCode

public void generateCode(BlockScope currentScope,
                CodeStream codeStream,
                boolean valueRequired)

MessageSend code generation

Overrides:

generateCode in class Expression

Parameters:

currentScope - org.aspectj.org.eclipse.jdt.internal.compiler.lookup.BlockScope

codeStream - org.aspectj.org.eclipse.jdt.internal.compiler.codegen.CodeStream

valueRequired - boolean

genericTypeArguments

public TypeBinding[] genericTypeArguments()

Specified by:

genericTypeArguments in interface InvocationSite

See Also:

InvocationSite.genericTypeArguments()

isSuperAccess

public boolean isSuperAccess()

Specified by:

isSuperAccess in interface InvocationSite

isTypeAccess

public boolean isTypeAccess()

Specified by:

isTypeAccess in interface InvocationSite

manageSyntheticAccessIfNecessary

public void manageSyntheticAccessIfNecessary(BlockScope currentScope,
                                    FlowInfo flowInfo)

nullStatus

public int nullStatus(FlowInfo flowInfo,
             FlowContext flowContext)

Overrides:

nullStatus in class Expression

postConversionType

public TypeBinding postConversionType(Scope scope)

Description copied from class: Expression

Returns the type of the expression after required implicit conversions. When expression type gets promoted or inserted a generic cast, the converted type will differ from the resolved type (surface side-effects from #computeConversion(...)).

Overrides:

postConversionType in class Expression

Returns:

the type after implicit conversion

See Also:

Expression.postConversionType(Scope)

printExpression

public java.lang.StringBuffer printExpression(int indent,
                                     java.lang.StringBuffer output)

Specified by:

printExpression in class Expression

resolveType

public TypeBinding resolveType(BlockScope scope)

Description copied from class: Expression

Resolve the type of this expression in the context of a blockScope

Overrides:

resolveType in class Expression

Returns:

Return the actual type of this expression after resolution

findMethodBinding

protected void findMethodBinding(BlockScope scope,
                     TypeBinding[] argumentTypes)

Find the method binding; if this.innersNeedUpdate allow for two attempts where the first round may stop after applicability checking (18.5.1) to include more information into the final invocation type inference (18.5.2).

checkAgainstFinalTargetType

public TypeBinding checkAgainstFinalTargetType(TypeBinding targetType,
                                      Scope scope)

Description copied from class: Expression

Once outer contexts have finalized the target type for this expression, perform any checks that might have been delayed previously.

Overrides:

checkAgainstFinalTargetType in class Expression

Parameters:

targetType - the final target type (aka expectedType) for this expression.

scope - scope for error reporting

setActualReceiverType

public void setActualReceiverType(ReferenceBinding receiverType)

Specified by:

setActualReceiverType in interface InvocationSite

setDepth

public void setDepth(int depth)

Specified by:

setDepth in interface InvocationSite

setExpectedType

public void setExpectedType(TypeBinding expectedType)

Description copied from class: Expression

Record the type expectation before this expression is typechecked. e.g. String s = foo();, foo() will be tagged as being expected of type String Used to trigger proper inference of generic method invocations.

Overrides:

setExpectedType in class Expression

Parameters:

expectedType - The type denoting an expectation in the context of an assignment conversion

See Also:

Expression.setExpectedType(org.aspectj.org.eclipse.jdt.internal.compiler.lookup.TypeBinding)

setExpressionContext

public void setExpressionContext(ExpressionContext context)

Overrides:

setExpressionContext in class Expression

isPolyExpression

public boolean isPolyExpression()

Overrides:

isPolyExpression in class Expression

isPolyExpression

public boolean isPolyExpression(MethodBinding resolutionCandidate)

Variant of isPolyExpression() to be used during type inference, when a resolution candidate exists.

Overrides:

isPolyExpression in class Expression

sIsMoreSpecific

public boolean sIsMoreSpecific(TypeBinding s,
                      TypeBinding t,
                      Scope scope)

Overrides:

sIsMoreSpecific in class Expression

setFieldIndex

public void setFieldIndex(int depth)

Specified by:

setFieldIndex in interface InvocationSite

invocationTargetType

public TypeBinding invocationTargetType()

Description copied from class: Statement

Implementation of InvocationSite.invocationTargetType() suitable at this level. Subclasses should override as necessary.

Specified by:

invocationTargetType in interface InvocationSite

Overrides:

invocationTargetType in class Statement

See Also:

InvocationSite.invocationTargetType()

traverse

public void traverse(ASTVisitor visitor,
            BlockScope blockScope)

Description copied from class: Expression

Traverse an expression in the context of a blockScope

Overrides:

traverse in class Expression

statementExpression

public boolean statementExpression()

Overrides:

statementExpression in class Expression

receiverIsImplicitThis

public boolean receiverIsImplicitThis()

Specified by:

receiverIsImplicitThis in interface InvocationSite

Overrides:

receiverIsImplicitThis in class ASTNode

binding

public MethodBinding binding(TypeBinding targetType,
                    boolean reportErrors,
                    Scope scope)

Description copied from interface: Invocation

Answer the resolved method binding of this invocation. If a target type is given, the invocation gets a chance to do repeated method lookup.

Specified by:

binding in interface Invocation

Parameters:

targetType - the target type of this invocation or null if not yet known

reportErrors - if true then this is the last call, if no valid binding can be answered we should report an error

scope - if reportErrors is true then this scope can be used for error reporting

arguments

public Expression[] arguments()

Specified by:

arguments in interface Invocation

getExpressionContext

public ExpressionContext getExpressionContext()

Specified by:

getExpressionContext in interface InvocationSite

Overrides:

getExpressionContext in class Statement

registerInferenceContext

public void registerInferenceContext(ParameterizedGenericMethodBinding method,
                            InferenceContext18 infCtx18)

Description copied from interface: Invocation

Register the given inference context, which produced the given method as its intermediate result. Later when the same method is selected as the most specific method, the inference context for this pair (Invocation x MethodBinding) can be looked up using InvocationSite.getExpressionContext() to continue the type inference.

Specified by:

registerInferenceContext in interface Invocation

getInferenceContext

public InferenceContext18 getInferenceContext(ParameterizedMethodBinding method)

Description copied from interface: Invocation

Retrieve an inference context for the given method which must have been registered using Invocation.registerInferenceContext(ParameterizedGenericMethodBinding, InferenceContext18).

Specified by:

getInferenceContext in interface Invocation

Parameters:

method - an intermediate resolved candidate for this invocation return a suspended inference context or null if none was registered for this method.

usesInference

public boolean usesInference()

Description copied from interface: Invocation

Answer true if this invocation has determined its binding using inference.

Specified by:

usesInference in interface Invocation

updateBindings

public boolean updateBindings(MethodBinding updatedBinding,
                     TypeBinding targetType)

Description copied from interface: Invocation

Where the AST node may hold references to the results of Invocation Applicability Inference, this method allows to update those references to the result of Invocation Type Inference. Note that potentially more than just the method binding is updated.

Specified by:

updateBindings in interface Invocation

Parameters:

updatedBinding - the final method binding after full inference

targetType - the target type used during Invocation Type Inference

Returns:

true if an update has happened

innersNeedUpdate

public boolean innersNeedUpdate()

Description copied from interface: Invocation

Answer whether the current invocation has inner expressions that still need updating after inference.

Specified by:

innersNeedUpdate in interface Invocation

innerUpdateDone

public void innerUpdateDone()

Description copied from interface: Invocation

Mark that updating (the need for which is signaled via Invocation.innersNeedUpdate()) has been done.

Specified by:

innerUpdateDone in interface Invocation

innerInferenceHelper

public InnerInferenceHelper innerInferenceHelper()

Description copied from interface: Invocation

If this invocation has any poly expressions as arguments, this method answers an inference helper that mediates during overload resolution, even if no actual inference happens for this invocation.

Specified by:

innerInferenceHelper in interface Invocation

freshInferenceContext

public InferenceContext18 freshInferenceContext(Scope scope)

Description copied from interface: InvocationSite

When inference for this invocationSite starts, get a fresh inference context, initialized from this site.

Specified by:

freshInferenceContext in interface InvocationSite

resolveMethodBinding

protected void resolveMethodBinding(BlockScope scope,
                        TypeBinding[] argumentTypes)