Java FieldBinding.isStatic方法代码示例

import org.eclipse.jdt.internal.compiler.lookup.FieldBinding; //导入方法依赖的package包/类
protected void matchLevelAndReportImportRef(ImportReference importRef, Binding binding, MatchLocator locator) throws CoreException {

	// for static import, binding can be a field binding or a member type binding
	// verify that in this case binding is static and use declaring class for fields
	Binding refBinding = binding;
	if (importRef.isStatic()) {
		if (binding instanceof FieldBinding) {
			FieldBinding fieldBinding = (FieldBinding) binding;
			if (!fieldBinding.isStatic()) return;
			refBinding = fieldBinding.declaringClass;
		} else if (binding instanceof MethodBinding) {
			MethodBinding methodBinding = (MethodBinding) binding;
			if (!methodBinding.isStatic()) return;
			refBinding = methodBinding.declaringClass;
		} else if (binding instanceof MemberTypeBinding) {
			MemberTypeBinding memberBinding = (MemberTypeBinding) binding;
			if (!memberBinding.isStatic()) return;
		}
	}

	// Look for closest pattern
	PatternLocator closestPattern = null;
	int level = IMPOSSIBLE_MATCH;
	for (int i = 0, length = this.patternLocators.length; i < length; i++) {
		PatternLocator patternLocator = this.patternLocators[i];
		int newLevel = patternLocator.referenceType() == 0 ? IMPOSSIBLE_MATCH : patternLocator.resolveLevel(refBinding);
		if (newLevel > level) {
			closestPattern = patternLocator;
			if (newLevel == ACCURATE_MATCH) break;
			level = newLevel;
		}
	}
	if (closestPattern != null) {
		closestPattern.matchLevelAndReportImportRef(importRef, binding, locator);
	}
}
 

import org.eclipse.jdt.internal.compiler.lookup.FieldBinding; //导入方法依赖的package包/类
public FlowInfo analyseCode(BlockScope currentScope, FlowContext flowContext, FlowInfo flowInfo, boolean valueRequired) {
	switch (this.bits & ASTNode.RestrictiveFlagMASK) {
		case Binding.FIELD : // reading a field
			if (valueRequired || currentScope.compilerOptions().complianceLevel >= ClassFileConstants.JDK1_4) {
				manageSyntheticAccessIfNecessary(currentScope, flowInfo, true /*read-access*/);
			}
			// check if reading a final blank field
			FieldBinding fieldBinding = (FieldBinding) this.binding;
			if (fieldBinding.isBlankFinal() && currentScope.needBlankFinalFieldInitializationCheck(fieldBinding)) {
				FlowInfo fieldInits = flowContext.getInitsForFinalBlankInitializationCheck(fieldBinding.declaringClass.original(), flowInfo);
				if (!fieldInits.isDefinitelyAssigned(fieldBinding)) {
					currentScope.problemReporter().uninitializedBlankFinalField(fieldBinding, this);
				}
			}
			if (!fieldBinding.isStatic()) {
				// https://bugs.eclipse.org/bugs/show_bug.cgi?id=318682
				currentScope.resetDeclaringClassMethodStaticFlag(fieldBinding.declaringClass);
			}
			break;
		case Binding.LOCAL : // reading a local variable
			LocalVariableBinding localBinding;
			if (!flowInfo.isDefinitelyAssigned(localBinding = (LocalVariableBinding) this.binding)) {
				currentScope.problemReporter().uninitializedLocalVariable(localBinding, this);
			}
			if ((flowInfo.tagBits & FlowInfo.UNREACHABLE) == 0) {
				localBinding.useFlag = LocalVariableBinding.USED;
			} else if (localBinding.useFlag == LocalVariableBinding.UNUSED) {
				localBinding.useFlag = LocalVariableBinding.FAKE_USED;
			}
	}
	if (valueRequired) {
		manageEnclosingInstanceAccessIfNecessary(currentScope, flowInfo);
	}
	return flowInfo;
}
 

import org.eclipse.jdt.internal.compiler.lookup.FieldBinding; //导入方法依赖的package包/类
/**
 * Check and/or redirect the field access to the delegate receiver if any
 */
public TypeBinding checkFieldAccess(BlockScope scope) {

	if (this.delegateThis == null) {
		return super.checkFieldAccess(scope);
	}
	FieldBinding fieldBinding = (FieldBinding) this.binding;
	this.bits &= ~RestrictiveFlagMASK; // clear bits
	this.bits |= Binding.FIELD;
	if (!fieldBinding.isStatic()) {
		// must check for the static status....
		if (this.evaluationContext.isStatic) {
			scope.problemReporter().staticFieldAccessToNonStaticVariable(
				this,
				fieldBinding);
			this.constant = Constant.NotAConstant;
			return null;
		}
	}
	this.constant = fieldBinding.constant();

	if (isFieldUseDeprecated(fieldBinding, scope, this.bits)) {
		scope.problemReporter().deprecatedField(fieldBinding, this);
	}
	return fieldBinding.type;

}
 

import org.eclipse.jdt.internal.compiler.lookup.FieldBinding; //导入方法依赖的package包/类
public void generateAssignment(BlockScope currentScope, CodeStream codeStream, Assignment assignment, boolean valueRequired) {
	FieldBinding codegenBinding = this.binding.original();
	if (codegenBinding.canBeSeenBy(this.actualReceiverType, this, currentScope)) {
		this.receiver.generateCode(currentScope, codeStream, !codegenBinding.isStatic());
		assignment.expression.generateCode(currentScope, codeStream, true);
		fieldStore(currentScope, codeStream, codegenBinding, null, this.actualReceiverType, this.receiver.isImplicitThis(), valueRequired);
	} else {
		codeStream.generateEmulationForField(codegenBinding);
		this.receiver.generateCode(currentScope, codeStream, !codegenBinding.isStatic());
		if (codegenBinding.isStatic()) { // need a receiver?
			codeStream.aconst_null();
		}
		assignment.expression.generateCode(currentScope, codeStream, true);
		if (valueRequired) {
			switch (codegenBinding.type.id) {
				case TypeIds.T_long :
				case TypeIds.T_double :
					codeStream.dup2_x2();
					break;
				default :
					codeStream.dup_x2();
					break;
			}			
		}
		codeStream.generateEmulatedWriteAccessForField(codegenBinding);
	}
	if (valueRequired){
		codeStream.generateImplicitConversion(assignment.implicitConversion);
	}
}
 

import org.eclipse.jdt.internal.compiler.lookup.FieldBinding; //导入方法依赖的package包/类
private void searchVisibleFields(
		FieldBinding[] fields,
		ReferenceBinding receiverType,
		Scope scope,
		InvocationSite invocationSite,
		Scope invocationScope,
		boolean onlyStaticFields,
		ObjectVector localsFound,
		ObjectVector fieldsFound) {
	ObjectVector newFieldsFound = new ObjectVector();
	// Inherited fields which are hidden by subclasses are filtered out
	// No visibility checks can be performed without the scope & invocationSite

	next : for (int f = fields.length; --f >= 0;) {
		FieldBinding field = fields[f];

		if (field.isSynthetic()) continue next;

		if (onlyStaticFields && !field.isStatic()) continue next;

		if (!field.canBeSeenBy(receiverType, invocationSite, scope)) continue next;

		for (int i = fieldsFound.size; --i >= 0;) {
			FieldBinding otherField = (FieldBinding) fieldsFound.elementAt(i);
			if (CharOperation.equals(field.name, otherField.name, true)) {
				continue next;
			}
		}

		for (int l = localsFound.size; --l >= 0;) {
			LocalVariableBinding local = (LocalVariableBinding) localsFound.elementAt(l);

			if (CharOperation.equals(field.name, local.name, true)) {
				continue next;
			}
		}

		newFieldsFound.add(field);
	}

	fieldsFound.addAll(newFieldsFound);
}
 

import org.eclipse.jdt.internal.compiler.lookup.FieldBinding; //导入方法依赖的package包/类
public void generateCode(BlockScope currentScope, CodeStream codeStream, boolean valueRequired) {
	int pc = codeStream.position;
	if (this.constant != Constant.NotAConstant) {
		if (valueRequired) {
			codeStream.generateConstant(this.constant, this.implicitConversion);
		}
	} else {
		switch (this.bits & RestrictiveFlagMASK) {
			case Binding.FIELD : // reading a field
				if (!valueRequired)
					break;
				FieldBinding codegenField = ((FieldBinding) this.binding).original();
				Constant fieldConstant = codegenField.constant();
				if (fieldConstant == Constant.NotAConstant) { // directly use inlined value for constant fields
					if (codegenField.canBeSeenBy(getReceiverType(currentScope), this, currentScope)) {
						TypeBinding someReceiverType = this.delegateThis != null ? this.delegateThis.type : this.actualReceiverType;
						TypeBinding constantPoolDeclaringClass = CodeStream.getConstantPoolDeclaringClass(currentScope, codegenField, someReceiverType, true /* implicit this */);
						if (codegenField.isStatic()) {
							codeStream.fieldAccess(Opcodes.OPC_getstatic, codegenField, constantPoolDeclaringClass);
						} else {
							if ((this.bits & DepthMASK) != 0) {
								ReferenceBinding targetType = currentScope.enclosingSourceType().enclosingTypeAt((this.bits & DepthMASK) >> DepthSHIFT);
								Object[] emulationPath = currentScope.getEmulationPath(targetType, true /*only exact match*/, false/*consider enclosing arg*/);
								codeStream.generateOuterAccess(emulationPath, this, targetType, currentScope);
							} else {
								generateReceiver(codeStream);
							}
							codeStream.fieldAccess(Opcodes.OPC_getfield, codegenField, constantPoolDeclaringClass);
						}
					} else {
						// managing private access
						if (!codegenField.isStatic()) {
							if ((this.bits & DepthMASK) != 0) {
								// internal error, per construction we should have found it
								// not yet supported
								currentScope.problemReporter().needImplementation(this);
							} else {
								generateReceiver(codeStream);
							}
						} else {
							codeStream.aconst_null();
						}
						codeStream.generateEmulatedReadAccessForField(codegenField);
					}
					if (this.genericCast != null) codeStream.checkcast(this.genericCast);
					codeStream.generateImplicitConversion(this.implicitConversion);
				} else { // directly use the inlined value
					codeStream.generateConstant(fieldConstant, this.implicitConversion);
				}
				break;
			case Binding.LOCAL : // reading a local
				LocalVariableBinding localBinding = (LocalVariableBinding) this.binding;
				if (localBinding.resolvedPosition == -1) {
					if (valueRequired) {
						// restart code gen
						localBinding.useFlag = LocalVariableBinding.USED;
						throw new AbortMethod(CodeStream.RESTART_CODE_GEN_FOR_UNUSED_LOCALS_MODE, null);
					}
					codeStream.recordPositionsFrom(pc, this.sourceStart);
					return;
				}
				if (!valueRequired)
					break;
				// outer local?
				if ((this.bits & DepthMASK) != 0) {
					// outer local can be reached either through a synthetic arg or a synthetic field
					VariableBinding[] path = currentScope.getEmulationPath(localBinding);
					codeStream.generateOuterAccess(path, this, localBinding, currentScope);
				} else {
					// regular local variable read
					codeStream.load(localBinding);
				}
				codeStream.generateImplicitConversion(this.implicitConversion);
				break;
		}
	}
	codeStream.recordPositionsFrom(pc, this.sourceStart);
}
 

import org.eclipse.jdt.internal.compiler.lookup.FieldBinding; //导入方法依赖的package包/类
public void generateCode(BlockScope currentScope, CodeStream codeStream, boolean valueRequired) {
	int pc = codeStream.position;
	if (this.constant != Constant.NotAConstant) {
		if (valueRequired) {
			codeStream.generateConstant(this.constant, this.implicitConversion);
		}
	} else {
		switch (this.bits & RestrictiveFlagMASK) {
			case Binding.FIELD : // reading a field
				if (!valueRequired)
					break;
				FieldBinding codegenField = ((FieldBinding) this.binding).original();
				Constant fieldConstant = codegenField.constant();
				if (fieldConstant == Constant.NotAConstant) { // directly use inlined value for constant fields
					if (codegenField.canBeSeenBy(getReceiverType(currentScope), this, currentScope)) {
						TypeBinding someReceiverType = this.delegateThis != null ? this.delegateThis.type : this.actualReceiverType;
						TypeBinding constantPoolDeclaringClass = CodeStream.getConstantPoolDeclaringClass(currentScope, codegenField, someReceiverType, true /* implicit this */);
						if (codegenField.isStatic()) {
							codeStream.fieldAccess(Opcodes.OPC_getstatic, codegenField, constantPoolDeclaringClass);
						} else {
							if ((this.bits & DepthMASK) != 0) {
								ReferenceBinding targetType = currentScope.enclosingSourceType().enclosingTypeAt((this.bits & DepthMASK) >> DepthSHIFT);
								Object[] emulationPath = currentScope.getEmulationPath(targetType, true /*only exact match*/, false/*consider enclosing arg*/);
								codeStream.generateOuterAccess(emulationPath, this, targetType, currentScope);
							} else {
								generateReceiver(codeStream);
							}
							codeStream.fieldAccess(Opcodes.OPC_getfield, codegenField, constantPoolDeclaringClass);
						}
					} else {
						// managing private access
						if (!codegenField.isStatic()) {
							if ((this.bits & DepthMASK) != 0) {
								// internal error, per construction we should have found it
								// not yet supported
								currentScope.problemReporter().needImplementation(this);
							} else {
								generateReceiver(codeStream);
							}
						} else {
							codeStream.aconst_null();
						}
						codeStream.generateEmulatedReadAccessForField(codegenField);
					}
					if (this.genericCast != null) codeStream.checkcast(this.genericCast);
					codeStream.generateImplicitConversion(this.implicitConversion);
				} else { // directly use the inlined value
					codeStream.generateConstant(fieldConstant, this.implicitConversion);
				}
				break;
			case Binding.LOCAL : // reading a local
				LocalVariableBinding localBinding = (LocalVariableBinding) this.binding;
				if (localBinding.resolvedPosition == -1) {
					if (valueRequired) {
						// restart code gen
						localBinding.useFlag = LocalVariableBinding.USED;
						throw new AbortMethod(CodeStream.RESTART_CODE_GEN_FOR_UNUSED_LOCALS_MODE, null);
					}
					codeStream.recordPositionsFrom(pc, this.sourceStart);
					return;
				}
				if (!valueRequired)
					break;
				// outer local?
				if ((this.bits & IsCapturedOuterLocal) != 0) {
					checkEffectiveFinality(localBinding, currentScope);
					// outer local can be reached either through a synthetic arg or a synthetic field
					VariableBinding[] path = currentScope.getEmulationPath(localBinding);
					codeStream.generateOuterAccess(path, this, localBinding, currentScope);
				} else {
					// regular local variable read
					codeStream.load(localBinding);
				}
				codeStream.generateImplicitConversion(this.implicitConversion);
				break;
		}
	}
	codeStream.recordPositionsFrom(pc, this.sourceStart);
}
 

import org.eclipse.jdt.internal.compiler.lookup.FieldBinding; //导入方法依赖的package包/类
public void generateCompoundAssignment(BlockScope currentScope, CodeStream codeStream, Expression expression, int operator, int assignmentImplicitConversion, boolean valueRequired) {
    FieldBinding lastFieldBinding = this.otherBindings == null ? (FieldBinding) this.binding : this.otherBindings[this.otherBindings.length-1];
	if (lastFieldBinding.canBeSeenBy(getFinalReceiverType(), this, currentScope)) {
		super.generateCompoundAssignment(currentScope, codeStream, expression, operator, assignmentImplicitConversion, valueRequired);
		return;
	}
	lastFieldBinding = generateReadSequence(currentScope, codeStream);
	if (lastFieldBinding.isStatic()){
		codeStream.generateEmulationForField(lastFieldBinding);
		codeStream.swap();
		codeStream.aconst_null();
		codeStream.swap();
		codeStream.generateEmulatedReadAccessForField(lastFieldBinding);
	} else {
		codeStream.generateEmulationForField(lastFieldBinding);
		codeStream.swap();
		codeStream.dup();

		codeStream.generateEmulatedReadAccessForField(lastFieldBinding);
	}
	// the last field access is a write access
	// perform the actual compound operation
	int operationTypeID;
	if ((operationTypeID = (this.implicitConversion & IMPLICIT_CONVERSION_MASK) >> 4) == T_JavaLangString) {
		codeStream.generateStringConcatenationAppend(currentScope, null, expression);
	} else {
		// promote the array reference to the suitable operation type
		codeStream.generateImplicitConversion(this.implicitConversion);
		// generate the increment value (will by itself  be promoted to the operation value)
		if (expression == IntLiteral.One){ // prefix operation
			codeStream.generateConstant(expression.constant, this.implicitConversion);
		} else {
			expression.generateCode(currentScope, codeStream, true);
		}
		// perform the operation
		codeStream.sendOperator(operator, operationTypeID);
		// cast the value back to the array reference type
		codeStream.generateImplicitConversion(assignmentImplicitConversion);
	}
	// actual assignment

	// current stack is:
	// field receiver value
	if (valueRequired) {
		switch (lastFieldBinding.type.id) {
			case TypeIds.T_long :
			case TypeIds.T_double :
				codeStream.dup2_x2();
				break;
			default :
				codeStream.dup_x2();
			break;	
		}
	}
	// current stack is:
	// value field receiver value
	codeStream.generateEmulatedWriteAccessForField(lastFieldBinding);
}
 

import org.eclipse.jdt.internal.compiler.lookup.FieldBinding; //导入方法依赖的package包/类
public void generatePostIncrement(BlockScope currentScope, CodeStream codeStream, CompoundAssignment postIncrement, boolean valueRequired) {
	FieldBinding lastFieldBinding = generateReadSequence(currentScope, codeStream);
	// check if this post increment is the only usage of a private field
	reportOnlyUselesslyReadPrivateField(currentScope, lastFieldBinding, valueRequired);
	boolean isFirst = lastFieldBinding == this.binding
		&& (this.indexOfFirstFieldBinding == 1 || lastFieldBinding.declaringClass == currentScope.enclosingReceiverType())
		&& this.otherBindings == null; // could be dup: next.next.next
	TypeBinding constantPoolDeclaringClass = CodeStream.getConstantPoolDeclaringClass(currentScope, lastFieldBinding, getFinalReceiverType(), isFirst);			
	SyntheticMethodBinding accessor = this.syntheticReadAccessors == null
			? null
			: this.syntheticReadAccessors[this.syntheticReadAccessors.length - 1];
	if (lastFieldBinding.isStatic()) {
		if (accessor == null) {
			codeStream.fieldAccess(Opcodes.OPC_getstatic, lastFieldBinding, constantPoolDeclaringClass);
		} else {
			codeStream.invoke(Opcodes.OPC_invokestatic, accessor, constantPoolDeclaringClass);
		}
	} else {
		codeStream.dup();
		if (accessor == null) {
			codeStream.fieldAccess(Opcodes.OPC_getfield, lastFieldBinding, null /* default declaringClass */);
		} else {
			codeStream.invoke(Opcodes.OPC_invokestatic, accessor, null /* default declaringClass */);
		}
	}
	TypeBinding requiredGenericCast = getGenericCast(this.otherBindings == null ? 0 : this.otherBindings.length);
	TypeBinding operandType;
	if (requiredGenericCast != null) {
		codeStream.checkcast(requiredGenericCast);
		operandType = requiredGenericCast;
	} else {
		operandType = lastFieldBinding.type;
	}		
	// duplicate the old field value
	if (valueRequired) {
		if (lastFieldBinding.isStatic()) {
			switch (operandType.id) {
				case TypeIds.T_long :
				case TypeIds.T_double :
					codeStream.dup2();
					break;
				default:
					codeStream.dup();
					break;
			}			
		} else { // Stack:  [owner][old field value]  ---> [old field value][owner][old field value]
			switch (operandType.id) {
				case TypeIds.T_long :
				case TypeIds.T_double :
					codeStream.dup2_x1();
					break;
				default:
					codeStream.dup_x1();
					break;
			}			
		}
	}
	codeStream.generateImplicitConversion(this.implicitConversion);		
	codeStream.generateConstant(
		postIncrement.expression.constant,
		this.implicitConversion);
	codeStream.sendOperator(postIncrement.operator, this.implicitConversion & TypeIds.COMPILE_TYPE_MASK);
	codeStream.generateImplicitConversion(
		postIncrement.preAssignImplicitConversion);
	fieldStore(currentScope, codeStream, lastFieldBinding, this.syntheticWriteAccessor, getFinalReceiverType(), false /*implicit this*/, false);
}
 

import org.eclipse.jdt.internal.compiler.lookup.FieldBinding; //导入方法依赖的package包/类
public void generateCompoundAssignment(BlockScope currentScope, CodeStream codeStream, Expression expression, int operator, int assignmentImplicitConversion, boolean valueRequired) {
	FieldBinding lastFieldBinding = generateReadSequence(currentScope, codeStream);
	// check if compound assignment is the only usage of a private field
	reportOnlyUselesslyReadPrivateField(currentScope, lastFieldBinding, valueRequired);
	boolean isFirst = lastFieldBinding == this.binding
		&& (this.indexOfFirstFieldBinding == 1 || lastFieldBinding.declaringClass == currentScope.enclosingReceiverType())
		&& this.otherBindings == null; // could be dup: next.next.next
	TypeBinding constantPoolDeclaringClass = CodeStream.getConstantPoolDeclaringClass(currentScope, lastFieldBinding, getFinalReceiverType(), isFirst);			
	SyntheticMethodBinding accessor = this.syntheticReadAccessors == null ? null : this.syntheticReadAccessors[this.syntheticReadAccessors.length - 1];
	if (lastFieldBinding.isStatic()) {
		if (accessor == null) {
			codeStream.fieldAccess(Opcodes.OPC_getstatic, lastFieldBinding, constantPoolDeclaringClass);
		} else {
			codeStream.invoke(Opcodes.OPC_invokestatic, accessor, null /* default declaringClass */);
		}
	} else {
		codeStream.dup();
		if (accessor == null) {
			codeStream.fieldAccess(Opcodes.OPC_getfield, lastFieldBinding, constantPoolDeclaringClass);
		} else {
			codeStream.invoke(Opcodes.OPC_invokestatic, accessor, null /* default declaringClass */);
		}
	}
	// the last field access is a write access
	// perform the actual compound operation
	int operationTypeID;
	switch(operationTypeID = (this.implicitConversion & TypeIds.IMPLICIT_CONVERSION_MASK) >> 4) {
		case T_JavaLangString :
		case T_JavaLangObject :
		case T_undefined :
			codeStream.generateStringConcatenationAppend(currentScope, null, expression);
			break;
		default :
			TypeBinding requiredGenericCast = getGenericCast(this.otherBindings == null ? 0 : this.otherBindings.length);
			if (requiredGenericCast != null) codeStream.checkcast(requiredGenericCast);
			// promote the array reference to the suitable operation type
			codeStream.generateImplicitConversion(this.implicitConversion);
			// generate the increment value (will by itself  be promoted to the operation value)
			if (expression == IntLiteral.One) { // prefix operation
				codeStream.generateConstant(expression.constant, this.implicitConversion);
			} else {
				expression.generateCode(currentScope, codeStream, true);
			}
			// perform the operation
			codeStream.sendOperator(operator, operationTypeID);
			// cast the value back to the array reference type
			codeStream.generateImplicitConversion(assignmentImplicitConversion);
	}
	// actual assignment
	fieldStore(currentScope, codeStream, lastFieldBinding, this.syntheticWriteAccessor, getFinalReceiverType(), false /*implicit this*/, valueRequired);
	// equivalent to valuesRequired[maxOtherBindings]
}
 

import org.eclipse.jdt.internal.compiler.lookup.FieldBinding; //导入方法依赖的package包/类
public void generatePostIncrement(BlockScope currentScope, CodeStream codeStream, CompoundAssignment postIncrement, boolean valueRequired) {
	switch (this.bits & RestrictiveFlagMASK) {
		case Binding.FIELD : // assigning to a field
			FieldBinding codegenField = ((FieldBinding) this.binding).original();
			if (codegenField.canBeSeenBy(getReceiverType(currentScope), this, currentScope)) {
				super.generatePostIncrement(currentScope, codeStream, postIncrement, valueRequired);
			} else {
				if (codegenField.isStatic()) {
					codeStream.aconst_null();
				} else {
					if ((this.bits & DepthMASK) != 0) {
						// internal error, per construction we should have found it
						// not yet supported
						currentScope.problemReporter().needImplementation(this);
					} else {
						generateReceiver(codeStream);
					}
				}
				codeStream.generateEmulatedReadAccessForField(codegenField);
				if (valueRequired) {
					switch (codegenField.type.id) {
						case TypeIds.T_long :
						case TypeIds.T_double :
							codeStream.dup2();
							break;
						default:
							codeStream.dup();
							break;
					}
				}
				codeStream.generateEmulationForField(codegenField);
				switch (codegenField.type.id) {
					case TypeIds.T_long :
					case TypeIds.T_double :
						codeStream.dup_x2();
						codeStream.pop();
						if (codegenField.isStatic()) {
							codeStream.aconst_null();
						} else {
							generateReceiver(codeStream);
						}
						codeStream.dup_x2();
						codeStream.pop();
						break;
					default:
						codeStream.dup_x1();
					codeStream.pop();
					if (codegenField.isStatic()) {
						codeStream.aconst_null();
					} else {
						generateReceiver(codeStream);
					}
					codeStream.dup_x1();
					codeStream.pop();
						break;
				}
				codeStream.generateConstant(postIncrement.expression.constant, this.implicitConversion);
				codeStream.sendOperator(postIncrement.operator, codegenField.type.id);
				codeStream.generateImplicitConversion(postIncrement.preAssignImplicitConversion);
				codeStream.generateEmulatedWriteAccessForField(codegenField);
			}
			return;
		case Binding.LOCAL : // assigning to a local variable
			super.generatePostIncrement(currentScope, codeStream, postIncrement, valueRequired);
	}
}
 

import org.eclipse.jdt.internal.compiler.lookup.FieldBinding; //导入方法依赖的package包/类
public void generatePostIncrement(BlockScope currentScope, CodeStream codeStream, CompoundAssignment postIncrement, boolean valueRequired) {
    FieldBinding lastFieldBinding = this.otherBindings == null ? (FieldBinding) this.binding : this.otherBindings[this.otherBindings.length-1];
	if (lastFieldBinding.canBeSeenBy(getFinalReceiverType(), this, currentScope)) {
		super.generatePostIncrement(currentScope, codeStream, postIncrement, valueRequired);
		return;
	}
	lastFieldBinding = generateReadSequence(currentScope, codeStream);
	codeStream.generateEmulatedReadAccessForField(lastFieldBinding);
	if (valueRequired) {
		switch (lastFieldBinding.type.id) {
			case TypeIds.T_long :
			case TypeIds.T_double :
				codeStream.dup2();
				break;
			default :
				codeStream.dup();
			break;	
		}		
	}
	codeStream.generateEmulationForField(lastFieldBinding);
	if ((TypeBinding.equalsEquals(lastFieldBinding.type, TypeBinding.LONG)) || (TypeBinding.equalsEquals(lastFieldBinding.type, TypeBinding.DOUBLE))) {
		codeStream.dup_x2();
		codeStream.pop();
		if (lastFieldBinding.isStatic()) {
			codeStream.aconst_null();
		} else {
			generateReadSequence(currentScope, codeStream);
		}
		codeStream.dup_x2();
		codeStream.pop();
	} else {
		codeStream.dup_x1();
		codeStream.pop();
		if (lastFieldBinding.isStatic()) {
			codeStream.aconst_null();
		} else {
			generateReadSequence(currentScope, codeStream);
		}
		codeStream.dup_x1();
		codeStream.pop();
	}
	codeStream.generateConstant(postIncrement.expression.constant, this.implicitConversion);
	codeStream.sendOperator(postIncrement.operator, lastFieldBinding.type.id);
	codeStream.generateImplicitConversion(postIncrement.preAssignImplicitConversion);
	codeStream.generateEmulatedWriteAccessForField(lastFieldBinding);
}
 

import org.eclipse.jdt.internal.compiler.lookup.FieldBinding; //导入方法依赖的package包/类
public final boolean canBeSeenByForCodeSnippet(FieldBinding fieldBinding, TypeBinding receiverType, InvocationSite invocationSite, Scope scope) {
	if (fieldBinding.isPublic()) return true;

	ReferenceBinding invocationType = (ReferenceBinding) receiverType;
	if (TypeBinding.equalsEquals(invocationType, fieldBinding.declaringClass)) return true;

	if (fieldBinding.isProtected()) {
		// answer true if the invocationType is the declaringClass or they are in the same package
		// OR the invocationType is a subclass of the declaringClass
		//    AND the receiverType is the invocationType or its subclass
		//    OR the field is a static field accessed directly through a type
		if (TypeBinding.equalsEquals(invocationType, fieldBinding.declaringClass)) return true;
		if (invocationType.fPackage == fieldBinding.declaringClass.fPackage) return true;
		if (fieldBinding.declaringClass.isSuperclassOf(invocationType)) {
			if (invocationSite.isSuperAccess()) return true;
			// receiverType can be an array binding in one case... see if you can change it
			if (receiverType instanceof ArrayBinding)
				return false;
			if (invocationType.isSuperclassOf((ReferenceBinding) receiverType))
				return true;
			if (fieldBinding.isStatic())
				return true; // see 1FMEPDL - return invocationSite.isTypeAccess();
		}
		return false;
	}

	if (fieldBinding.isPrivate()) {
		// answer true if the receiverType is the declaringClass
		// AND the invocationType and the declaringClass have a common enclosingType
		if (TypeBinding.notEquals(receiverType, fieldBinding.declaringClass)) return false;

		if (TypeBinding.notEquals(invocationType, fieldBinding.declaringClass)) {
			ReferenceBinding outerInvocationType = invocationType;
			ReferenceBinding temp = outerInvocationType.enclosingType();
			while (temp != null) {
				outerInvocationType = temp;
				temp = temp.enclosingType();
			}

			ReferenceBinding outerDeclaringClass = fieldBinding.declaringClass;
			temp = outerDeclaringClass.enclosingType();
			while (temp != null) {
				outerDeclaringClass = temp;
				temp = temp.enclosingType();
			}
			if (TypeBinding.notEquals(outerInvocationType, outerDeclaringClass)) return false;
		}
		return true;
	}

	// isDefault()
	if (invocationType.fPackage != fieldBinding.declaringClass.fPackage) return false;

	// receiverType can be an array binding in one case... see if you can change it
	if (receiverType instanceof ArrayBinding)
		return false;
	ReferenceBinding type = (ReferenceBinding) receiverType;
	PackageBinding declaringPackage = fieldBinding.declaringClass.fPackage;
	TypeBinding originalDeclaringClass = fieldBinding.declaringClass .original();
	do {
		if (type.isCapture()) { // https://bugs.eclipse.org/bugs/show_bug.cgi?id=285002
			if (TypeBinding.equalsEquals(originalDeclaringClass, type.erasure().original())) return true;	
		} else {
			if (TypeBinding.equalsEquals(originalDeclaringClass, type.original())) return true;
		}
		if (declaringPackage != type.fPackage) return false;
	} while ((type = type.superclass()) != null);
	return false;
}
 

import org.eclipse.jdt.internal.compiler.lookup.FieldBinding; //导入方法依赖的package包/类
public TypeBinding checkFieldAccess(BlockScope scope) {
	FieldBinding fieldBinding = (FieldBinding) this.binding;
	this.constant = fieldBinding.constant();

	this.bits &= ~ASTNode.RestrictiveFlagMASK; // clear bits
	this.bits |= Binding.FIELD;
	MethodScope methodScope = scope.methodScope();
	if (fieldBinding.isStatic()) {
		// check if accessing enum static field in initializer
		ReferenceBinding declaringClass = fieldBinding.declaringClass;
		if (declaringClass.isEnum()) {
			SourceTypeBinding sourceType = scope.enclosingSourceType();
			if (this.constant == Constant.NotAConstant
					&& !methodScope.isStatic
					&& (TypeBinding.equalsEquals(sourceType, declaringClass) || TypeBinding.equalsEquals(sourceType.superclass, declaringClass)) // enum constant body
					&& methodScope.isInsideInitializerOrConstructor()) {
				scope.problemReporter().enumStaticFieldUsedDuringInitialization(fieldBinding, this);
			}
		}
	} else {
		if (scope.compilerOptions().getSeverity(CompilerOptions.UnqualifiedFieldAccess) != ProblemSeverities.Ignore) {
			scope.problemReporter().unqualifiedFieldAccess(this, fieldBinding);
		}
		// must check for the static status....
		if (methodScope.isStatic) {
			scope.problemReporter().staticFieldAccessToNonStaticVariable(this, fieldBinding);
			return fieldBinding.type;
		} else {
			scope.tagAsAccessingEnclosingInstanceStateOf(fieldBinding.declaringClass, false /* type variable access */);
		}
	}

	if (isFieldUseDeprecated(fieldBinding, scope, this.bits))
		scope.problemReporter().deprecatedField(fieldBinding, this);

	if ((this.bits & ASTNode.IsStrictlyAssigned) == 0
			&& TypeBinding.equalsEquals(methodScope.enclosingSourceType(), fieldBinding.original().declaringClass)
			&& methodScope.lastVisibleFieldID >= 0
			&& fieldBinding.id >= methodScope.lastVisibleFieldID
			&& (!fieldBinding.isStatic() || methodScope.isStatic)) {
		scope.problemReporter().forwardReference(this, 0, fieldBinding);
		this.bits |= ASTNode.IgnoreNoEffectAssignCheck;
	}
	return fieldBinding.type;

}
 

import org.eclipse.jdt.internal.compiler.lookup.FieldBinding; //导入方法依赖的package包/类
public void analyseCode(
	ClassScope classScope,
	InitializationFlowContext staticInitializerFlowContext,
	FlowInfo flowInfo) {

	if (this.ignoreFurtherInvestigation)
		return;
	try {
		ExceptionHandlingFlowContext clinitContext =
			new ExceptionHandlingFlowContext(
				staticInitializerFlowContext.parent,
				this,
				Binding.NO_EXCEPTIONS,
				staticInitializerFlowContext,
				this.scope,
				FlowInfo.DEAD_END);

		// check for missing returning path
		if ((flowInfo.tagBits & FlowInfo.UNREACHABLE_OR_DEAD) == 0) {
			this.bits |= ASTNode.NeedFreeReturn;
		}

		// check missing blank final field initializations
		flowInfo = flowInfo.mergedWith(staticInitializerFlowContext.initsOnReturn);
		FieldBinding[] fields = this.scope.enclosingSourceType().fields();
		for (int i = 0, count = fields.length; i < count; i++) {
			FieldBinding field = fields[i];
			if (field.isStatic()) {
				if (!flowInfo.isDefinitelyAssigned(field)) {
					if (field.isFinal()) {
						this.scope.problemReporter().uninitializedBlankFinalField(
								field,
								this.scope.referenceType().declarationOf(field.original()));
						// can complain against the field decl, since only one <clinit>
					} else if (field.isNonNull()) {
						this.scope.problemReporter().uninitializedNonNullField(
								field,
								this.scope.referenceType().declarationOf(field.original()));
					}
				}
			}
		}
		// check static initializers thrown exceptions
		staticInitializerFlowContext.checkInitializerExceptions(
			this.scope,
			clinitContext,
			flowInfo);
	} catch (AbortMethod e) {
		this.ignoreFurtherInvestigation = true;
	}
}