org.eclipse.jdt.internal.compiler.flow
类 FinallyFlowContext

java.lang.Object
  org.eclipse.jdt.internal.compiler.flow.FlowContext
      org.eclipse.jdt.internal.compiler.flow.FinallyFlowContext

所有已实现的接口：

TypeConstants

public class FinallyFlowContext
extends FlowContext

Reflects the context of code analysis, keeping track of enclosing try statements, exception handlers, etc...

字段摘要

从类 org.eclipse.jdt.internal.compiler.flow.FlowContext 继承的字段

associatedNode, CAN_ONLY_NON_NULL, CAN_ONLY_NULL, CAN_ONLY_NULL_NON_NULL, CHECK_MASK, CONTEXT_MASK, DEFER_NULL_DIAGNOSTIC, HIDE_NULL_COMPARISON_WARNING, IN_ASSIGNMENT, IN_COMPARISON_NON_NULL, IN_COMPARISON_NULL, IN_INSTANCEOF, initsOnFinally, MAY_NULL, NotContinuableContext, parent, PREEMPT_NULL_DIAGNOSTIC, tagBits

从接口 org.eclipse.jdt.internal.compiler.lookup.TypeConstants 继承的字段

ANNOTATION, ANNOTATION_PREFIX, ANNOTATION_SUFFIX, ANONYM_PREFIX, ANONYM_SUFFIX, BOOLEAN, BYTE, 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, CLINIT, CLONE, CONSTRAINT_EQUAL, CONSTRAINT_EXTENDS, CONSTRAINT_SUPER, DOUBLE, EQUALS, FLOAT, GETCLASS, HASHCODE, INIT, INT, INVOKE, IO, JAVA, JAVA_IO, JAVA_IO_EXTERNALIZABLE, JAVA_IO_IOEXCEPTION, JAVA_IO_OBJECTINPUTSTREAM, JAVA_IO_OBJECTOUTPUTSTREAM, JAVA_IO_OBJECTSTREAMEXCEPTION, JAVA_IO_PRINTSTREAM, JAVA_IO_SERIALIZABLE, JAVA_LANG, JAVA_LANG_ANNOTATION_ANNOTATION, JAVA_LANG_ANNOTATION_DOCUMENTED, JAVA_LANG_ANNOTATION_ELEMENTTYPE, JAVA_LANG_ANNOTATION_INHERITED, 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_ILLEGALARGUMENTEXCEPTION, JAVA_LANG_INTEGER, JAVA_LANG_INVOKE_METHODHANDLE_$_POLYMORPHICSIGNATURE, JAVA_LANG_INVOKE_METHODHANDLE_POLYMORPHICSIGNATURE, 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_UTIL_COLLECTION, JAVA_UTIL_ITERATOR, JAVAX_RMI_CORBA_STUB, LANG, LENGTH, LONG, MAIN, MISMATCH, NULL, OBJECT, OK, PACKAGE_INFO_NAME, READOBJECT, READRESOLVE, REFLECT, 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, UNCHECKED, UPPER_ANNOTATION_TYPE, UPPER_CLASS, UPPER_CONSTRUCTOR, UPPER_FIELD, UPPER_LOCAL_VARIABLE, UPPER_METHOD, UPPER_PACKAGE, UPPER_PARAMETER, UPPER_RUNTIME, UPPER_SOURCE, UTIL, 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

构造方法摘要

FinallyFlowContext(FlowContext parent, ASTNode associatedNode)

方法摘要

void	complainOnDeferredChecks(FlowInfo flowInfo, BlockScope scope) Given some contextual initialization info (derived from a try block or a catch block), this code will check that the subroutine context does not also initialize a final variable potentially set redundantly.
String	individualToString()
boolean	isSubRoutine()
protected boolean	recordFinalAssignment(VariableBinding binding, Reference finalAssignment)
protected void	recordNullReference(LocalVariableBinding local, Expression expression, int status) Record a null reference for use by deferred checks.
void	recordUsingNullReference(Scope scope, LocalVariableBinding local, Expression reference, int checkType, FlowInfo flowInfo) Record a null reference for use by deferred checks.

从类 org.eclipse.jdt.internal.compiler.flow.FlowContext 继承的方法

breakLabel, checkExceptionHandlers, checkExceptionHandlers, checkExceptionHandlers, continueLabel, getInitsForFinalBlankInitializationCheck, getTargetContextForBreakLabel, getTargetContextForContinueLabel, getTargetContextForDefaultBreak, getTargetContextForDefaultContinue, initsOnBreak, initsOnReturn, isBreakable, isContinuable, isNonReturningContext, labelName, recordBreakFrom, recordBreakTo, recordContinueFrom, recordReturnFrom, recordSettingFinal, subroutine, toString

从类 java.lang.Object 继承的方法

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

构造方法详细信息

FinallyFlowContext

public FinallyFlowContext(FlowContext parent,
                          ASTNode associatedNode)

方法详细信息

complainOnDeferredChecks

public void complainOnDeferredChecks(FlowInfo flowInfo,
                                     BlockScope scope)

Given some contextual initialization info (derived from a try block or a catch block), this code will check that the subroutine context does not also initialize a final variable potentially set redundantly.

individualToString

public String individualToString()

覆盖：

类 FlowContext 中的 individualToString

isSubRoutine

public boolean isSubRoutine()

覆盖：

类 FlowContext 中的 isSubRoutine

recordFinalAssignment

protected boolean recordFinalAssignment(VariableBinding binding,
                                        Reference finalAssignment)

覆盖：

类 FlowContext 中的 recordFinalAssignment

recordUsingNullReference

public void recordUsingNullReference(Scope scope,
                                     LocalVariableBinding local,
                                     Expression reference,
                                     int checkType,
                                     FlowInfo flowInfo)

从类 FlowContext 复制的描述

Record a null reference for use by deferred checks. Only looping or finally contexts really record that information. The context may emit an error immediately depending on the status of local against flowInfo and its nature (only looping of finally contexts defer part of the checks; nonetheless, contexts that are nested into a looping or a finally context get affected and delegate some checks to their enclosing context).

覆盖：

类 FlowContext 中的 recordUsingNullReference

参数：

scope - the scope into which the check is performed

local - the local variable involved in the check

reference - the expression within which local lies

checkType - the status against which the check must be performed; one of CAN_ONLY_NULL, CAN_ONLY_NULL_NON_NULL, MAY_NULL, potentially combined with a context indicator (one of FlowContext.IN_COMPARISON_NULL, FlowContext.IN_COMPARISON_NON_NULL, FlowContext.IN_ASSIGNMENT or FlowContext.IN_INSTANCEOF)

flowInfo - the flow info at the check point; deferring contexts will perform supplementary checks against flow info instances that cannot be known at the time of calling this method (they are influenced by code that follows the current point)

recordNullReference

protected void recordNullReference(LocalVariableBinding local,
                                   Expression expression,
                                   int status)

从类 FlowContext 复制的描述

Record a null reference for use by deferred checks. Only looping or finally contexts really record that information.

覆盖：

类 FlowContext 中的 recordNullReference

参数：

local - the local variable involved in the check

expression - the expression within which local lays

status - the status against which the check must be performed; one of CAN_ONLY_NULL, CAN_ONLY_NULL_NON_NULL, MAY_NULL, CAN_ONLY_NON_NULL, potentially combined with a context indicator (one of FlowContext.IN_COMPARISON_NULL, FlowContext.IN_COMPARISON_NON_NULL, FlowContext.IN_ASSIGNMENT or FlowContext.IN_INSTANCEOF)