/*******************************************************************************
- * Copyright (c) 2000, 2001, 2002 International Business Machines Corp. and others.
+ * Copyright (c) 2000, 2003 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Common Public License v0.5
+ * are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/cpl-v05.html
+ * http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
- ******************************************************************************/
+ *******************************************************************************/
package net.sourceforge.phpdt.internal.compiler.ast;
import net.sourceforge.phpdt.internal.compiler.IAbstractSyntaxTreeVisitor;
-import net.sourceforge.phpdt.internal.compiler.impl.*;
-import net.sourceforge.phpdt.internal.compiler.codegen.*;
-import net.sourceforge.phpdt.internal.compiler.flow.*;
-import net.sourceforge.phpdt.internal.compiler.lookup.*;
+import net.sourceforge.phpdt.internal.compiler.flow.FlowContext;
+import net.sourceforge.phpdt.internal.compiler.flow.FlowInfo;
+import net.sourceforge.phpdt.internal.compiler.impl.Constant;
+import net.sourceforge.phpdt.internal.compiler.lookup.BlockScope;
+import net.sourceforge.phpdt.internal.compiler.lookup.FieldBinding;
+import net.sourceforge.phpdt.internal.compiler.lookup.LocalVariableBinding;
+import net.sourceforge.phpdt.internal.compiler.lookup.MethodScope;
+import net.sourceforge.phpdt.internal.compiler.lookup.ProblemFieldBinding;
+import net.sourceforge.phpdt.internal.compiler.lookup.ProblemReferenceBinding;
+import net.sourceforge.phpdt.internal.compiler.lookup.SourceTypeBinding;
+import net.sourceforge.phpdt.internal.compiler.lookup.SyntheticAccessMethodBinding;
+import net.sourceforge.phpdt.internal.compiler.lookup.TypeBinding;
+import net.sourceforge.phpdt.internal.compiler.lookup.VariableBinding;
public class QualifiedNameReference extends NameReference {
-
+
public char[][] tokens;
+
public FieldBinding[] otherBindings, otherCodegenBindings;
+
int[] otherDepths;
- public int indexOfFirstFieldBinding;//points (into tokens) for the first token that corresponds to first FieldBinding
+
+ public int indexOfFirstFieldBinding;// points (into tokens) for the first
+ // token that corresponds to first
+ // FieldBinding
+
SyntheticAccessMethodBinding syntheticWriteAccessor;
+
SyntheticAccessMethodBinding[] syntheticReadAccessors;
+
protected FieldBinding lastFieldBinding;
- public QualifiedNameReference(
- char[][] sources,
- int sourceStart,
- int sourceEnd) {
+
+ public QualifiedNameReference(char[][] sources, int sourceStart,
+ int sourceEnd) {
super();
tokens = sources;
this.sourceStart = sourceStart;
this.sourceEnd = sourceEnd;
}
- public FlowInfo analyseAssignment(
- BlockScope currentScope,
- FlowContext flowContext,
- FlowInfo flowInfo,
- Assignment assignment,
- boolean isCompound) {
- if (assignment.expression != null) {
- flowInfo =
- assignment
- .expression
- .analyseCode(currentScope, flowContext, flowInfo)
- .unconditionalInits();
- }
- // determine the rank until which we now we do not need any actual value for the field access
- int otherBindingsCount = otherBindings == null ? 0 : otherBindings.length;
- int indexOfFirstValueRequired = otherBindingsCount;
- while (indexOfFirstValueRequired > 0) {
- FieldBinding otherBinding = otherBindings[indexOfFirstValueRequired - 1];
- if (otherBinding.isStatic())
- break; // no longer need any value before this point
- indexOfFirstValueRequired--;
- }
- FieldBinding lastFieldBinding = null;
- if ((bits & FIELD) != 0) {
- // reading from a field
- // check if final blank field
- if ((lastFieldBinding = (FieldBinding) binding).isFinal()
- && currentScope.allowBlankFinalFieldAssignment(lastFieldBinding)) {
+ public FlowInfo analyseAssignment(BlockScope currentScope,
+ FlowContext flowContext, FlowInfo flowInfo, Assignment assignment,
+ boolean isCompound) {
+
+ // determine the rank until which we now we do not need any actual value
+ // for the field access
+ int otherBindingsCount = otherBindings == null ? 0
+ : otherBindings.length;
+ boolean needValue = otherBindingsCount == 0
+ || !this.otherBindings[0].isStatic();
+ switch (bits & RestrictiveFlagMASK) {
+ case FIELD: // reading a field
+ lastFieldBinding = (FieldBinding) binding;
+ if (needValue) {
+ manageSyntheticReadAccessIfNecessary(currentScope,
+ lastFieldBinding, this.actualReceiverType, 0);
+ } // check if final blank field
+ if (lastFieldBinding.isBlankFinal()
+ && this.otherBindings != null // the last field binding is
+ // only assigned
+ && currentScope
+ .allowBlankFinalFieldAssignment(lastFieldBinding)) {
if (!flowInfo.isDefinitelyAssigned(lastFieldBinding)) {
- currentScope.problemReporter().uninitializedBlankFinalField(
- lastFieldBinding,
- this);
- }
- }
- } else {
- if ((bits & LOCAL) != 0) {
- // first binding is a local variable
- LocalVariableBinding localBinding;
- if (!flowInfo
- .isDefinitelyAssigned(localBinding = (LocalVariableBinding) binding)) {
- currentScope.problemReporter().uninitializedLocalVariable(localBinding, this);
+ currentScope.problemReporter()
+ .uninitializedBlankFinalField(lastFieldBinding,
+ this);
}
- if (!flowInfo.isFakeReachable())
- localBinding.used = true;
}
+ break;
+ // case LOCAL :
+ // // first binding is a local variable
+ // LocalVariableBinding localBinding;
+ // if (!flowInfo
+ // .isDefinitelyAssigned(localBinding = (LocalVariableBinding) binding))
+ // {
+ // currentScope.problemReporter().uninitializedLocalVariable(localBinding,
+ // this);
+ // }
+ // if (flowInfo.isReachable()) {
+ // localBinding.useFlag = LocalVariableBinding.USED;
+ // } else if (localBinding.useFlag == LocalVariableBinding.UNUSED) {
+ // localBinding.useFlag = LocalVariableBinding.FAKE_USED;
+ // }
}
- if (indexOfFirstValueRequired == 0) {
+
+ if (needValue) {
manageEnclosingInstanceAccessIfNecessary(currentScope);
// only for first binding
}
// all intermediate field accesses are read accesses
if (otherBindings != null) {
- int start = indexOfFirstValueRequired == 0 ? 0 : indexOfFirstValueRequired - 1;
- for (int i = start; i < otherBindingsCount; i++) {
- if (lastFieldBinding != null) { // could be null if first was a local variable
- TypeBinding lastReceiverType;
- switch(i){
- case 0 :
- lastReceiverType = this.actualReceiverType;
- break;
- case 1 :
- lastReceiverType = ((VariableBinding)binding).type;
- break;
- default :
- lastReceiverType = otherBindings[i-1].type;
- }
- manageSyntheticReadAccessIfNecessary(
- currentScope,
- lastFieldBinding,
- lastReceiverType,
- i);
- }
+ for (int i = 0; i < otherBindingsCount - 1; i++) {
lastFieldBinding = otherBindings[i];
+ needValue = !otherBindings[i + 1].isStatic();
+ if (needValue) {
+ manageSyntheticReadAccessIfNecessary(currentScope,
+ lastFieldBinding,
+ i == 0 ? ((VariableBinding) binding).type
+ : otherBindings[i - 1].type, i + 1);
+ }
}
+ lastFieldBinding = otherBindings[otherBindingsCount - 1];
}
+
if (isCompound) {
if (binding == lastFieldBinding
- && currentScope.allowBlankFinalFieldAssignment(lastFieldBinding)
- && (!flowInfo.isDefinitelyAssigned(lastFieldBinding))) {
+ && lastFieldBinding.isBlankFinal()
+ && currentScope
+ .allowBlankFinalFieldAssignment(lastFieldBinding)
+ && (!flowInfo.isDefinitelyAssigned(lastFieldBinding))) {
currentScope.problemReporter().uninitializedBlankFinalField(
- lastFieldBinding,
- this);
+ lastFieldBinding, this);
}
TypeBinding lastReceiverType;
- if (lastFieldBinding == binding){
+ if (lastFieldBinding == binding) {
lastReceiverType = this.actualReceiverType;
- } else if (otherBindingsCount == 1){
- lastReceiverType = ((VariableBinding)this.binding).type;
+ } else if (otherBindingsCount == 1) {
+ lastReceiverType = ((VariableBinding) this.binding).type;
} else {
- lastReceiverType = this.otherBindings[otherBindingsCount-2].type;
+ lastReceiverType = this.otherBindings[otherBindingsCount - 2].type;
}
- manageSyntheticReadAccessIfNecessary(
- currentScope,
- lastFieldBinding,
- lastReceiverType,
- lastFieldBinding == binding
- ? 0
- : otherBindingsCount);
+ manageSyntheticReadAccessIfNecessary(currentScope,
+ lastFieldBinding, lastReceiverType,
+ lastFieldBinding == binding ? 0 : otherBindingsCount);
+ }
+
+ if (assignment.expression != null) {
+ flowInfo = assignment.expression.analyseCode(currentScope,
+ flowContext, flowInfo).unconditionalInits();
}
+
// the last field access is a write access
if (lastFieldBinding.isFinal()) {
// in a context where it can be assigned?
- if (currentScope.allowBlankFinalFieldAssignment(lastFieldBinding)) {
+ if (lastFieldBinding.isBlankFinal()
+ && !isCompound
+ && currentScope
+ .allowBlankFinalFieldAssignment(lastFieldBinding)
+ && indexOfFirstFieldBinding == 1) {
if (flowInfo.isPotentiallyAssigned(lastFieldBinding)) {
- if (indexOfFirstFieldBinding == 1) {
- // was an implicit reference to the first field binding
- currentScope.problemReporter().duplicateInitializationOfBlankFinalField(
- lastFieldBinding,
- this);
- } else {
- currentScope.problemReporter().cannotAssignToFinalField(lastFieldBinding, this);
- // attempting to assign a non implicit reference
- }
+ currentScope.problemReporter()
+ .duplicateInitializationOfBlankFinalField(
+ lastFieldBinding, this);
+ } else {
+ flowContext.recordSettingFinal(lastFieldBinding, this);
}
flowInfo.markAsDefinitelyAssigned(lastFieldBinding);
- flowContext.recordSettingFinal(lastFieldBinding, this);
} else {
- currentScope.problemReporter().cannotAssignToFinalField(lastFieldBinding, this);
+ currentScope.problemReporter().cannotAssignToFinalField(
+ lastFieldBinding, this);
+ if (currentScope
+ .allowBlankFinalFieldAssignment(lastFieldBinding)) { // pretend
+ // it
+ // got
+ // assigned
+ flowInfo.markAsDefinitelyAssigned(lastFieldBinding);
+ }
}
}
// equivalent to valuesRequired[maxOtherBindings]
TypeBinding lastReceiverType;
- if (lastFieldBinding == binding){
+ if (lastFieldBinding == binding) {
lastReceiverType = this.actualReceiverType;
- } else if (otherBindingsCount == 1){
- lastReceiverType = ((VariableBinding)this.binding).type;
+ } else if (otherBindingsCount == 1) {
+ lastReceiverType = ((VariableBinding) this.binding).type;
} else {
- lastReceiverType = this.otherBindings[otherBindingsCount-2].type;
+ lastReceiverType = this.otherBindings[otherBindingsCount - 2].type;
}
- manageSyntheticWriteAccessIfNecessary(currentScope, lastFieldBinding, lastReceiverType);
+ manageSyntheticWriteAccessIfNecessary(currentScope, lastFieldBinding,
+ lastReceiverType);
return flowInfo;
}
- public FlowInfo analyseCode(
- BlockScope currentScope,
- FlowContext flowContext,
- FlowInfo flowInfo) {
+
+ public FlowInfo analyseCode(BlockScope currentScope,
+ FlowContext flowContext, FlowInfo flowInfo) {
return analyseCode(currentScope, flowContext, flowInfo, true);
}
-
- public FlowInfo analyseCode(
- BlockScope currentScope,
- FlowContext flowContext,
- FlowInfo flowInfo,
- boolean valueRequired) {
-
- // determine the rank until which we now we do not need any actual value for the field access
- int otherBindingsCount = otherBindings == null ? 0 : otherBindings.length;
- int indexOfFirstValueRequired;
- if (valueRequired) {
- indexOfFirstValueRequired = otherBindingsCount;
- while (indexOfFirstValueRequired > 0) {
- FieldBinding otherBinding = otherBindings[indexOfFirstValueRequired - 1];
- if (otherBinding.isStatic())
- break; // no longer need any value before this point
- indexOfFirstValueRequired--;
- }
- } else {
- indexOfFirstValueRequired = otherBindingsCount + 1;
- }
+
+ public FlowInfo analyseCode(BlockScope currentScope,
+ FlowContext flowContext, FlowInfo flowInfo, boolean valueRequired) {
+
+ // determine the rank until which we now we do not need any actual value
+ // for the field access
+ int otherBindingsCount = otherBindings == null ? 0
+ : otherBindings.length;
+
+ boolean needValue = otherBindingsCount == 0 ? valueRequired
+ : !this.otherBindings[0].isStatic();
switch (bits & RestrictiveFlagMASK) {
- case FIELD : // reading a field
- if (indexOfFirstValueRequired == 0) {
- manageSyntheticReadAccessIfNecessary(currentScope, (FieldBinding) binding, this.actualReceiverType, 0);
- }
- // check if reading a final blank field
- FieldBinding fieldBinding;
- if ((fieldBinding = (FieldBinding) binding).isFinal()
- && (indexOfFirstFieldBinding == 1)
+ case FIELD: // reading a field
+ if (needValue) {
+ manageSyntheticReadAccessIfNecessary(currentScope,
+ (FieldBinding) binding, this.actualReceiverType, 0);
+ }
+ // check if reading a final blank field
+ FieldBinding fieldBinding;
+ if ((fieldBinding = (FieldBinding) binding).isBlankFinal()
+ && (indexOfFirstFieldBinding == 1)
// was an implicit reference to the first field binding
- && currentScope.allowBlankFinalFieldAssignment(fieldBinding)
- && (!flowInfo.isDefinitelyAssigned(fieldBinding))) {
- currentScope.problemReporter().uninitializedBlankFinalField(fieldBinding, this);
- }
- break;
- case LOCAL : // reading a local variable
- LocalVariableBinding localBinding;
- if (!flowInfo
- .isDefinitelyAssigned(localBinding = (LocalVariableBinding) binding)) {
- currentScope.problemReporter().uninitializedLocalVariable(localBinding, this);
- }
- if (!flowInfo.isFakeReachable())
- localBinding.used = true;
- }
- if (indexOfFirstValueRequired == 0) {
+ && currentScope
+ .allowBlankFinalFieldAssignment(fieldBinding)
+ && (!flowInfo.isDefinitelyAssigned(fieldBinding))) {
+ currentScope.problemReporter().uninitializedBlankFinalField(
+ fieldBinding, this);
+ }
+ break;
+ // case LOCAL : // reading a local variable
+ // LocalVariableBinding localBinding;
+ // if (!flowInfo
+ // .isDefinitelyAssigned(localBinding = (LocalVariableBinding) binding))
+ // {
+ // currentScope.problemReporter().uninitializedLocalVariable(localBinding,
+ // this);
+ // }
+ // if (flowInfo.isReachable()) {
+ // localBinding.useFlag = LocalVariableBinding.USED;
+ // } else if (localBinding.useFlag == LocalVariableBinding.UNUSED) {
+ // localBinding.useFlag = LocalVariableBinding.FAKE_USED;
+ // }
+ }
+ if (needValue) {
manageEnclosingInstanceAccessIfNecessary(currentScope);
// only for first binding
}
if (otherBindings != null) {
- int start = indexOfFirstValueRequired == 0 ? 0 : indexOfFirstValueRequired - 1;
- for (int i = start; i < otherBindingsCount; i++) {
- manageSyntheticReadAccessIfNecessary(
- currentScope,
- otherBindings[i],
- i == 0
- ? ((VariableBinding)binding).type
- : otherBindings[i-1].type,
- i + 1);
+ for (int i = 0; i < otherBindingsCount; i++) {
+ needValue = i < otherBindingsCount - 1 ? !otherBindings[i + 1]
+ .isStatic() : valueRequired;
+ if (needValue) {
+ manageSyntheticReadAccessIfNecessary(currentScope,
+ otherBindings[i],
+ i == 0 ? ((VariableBinding) binding).type
+ : otherBindings[i - 1].type, i + 1);
+ }
}
}
return flowInfo;
}
+
/**
* Check and/or redirect the field access to the delegate receiver if any
*/
FieldBinding fieldBinding = (FieldBinding) binding;
MethodScope methodScope = scope.methodScope();
if (methodScope.enclosingSourceType() == fieldBinding.declaringClass
- && methodScope.fieldDeclarationIndex != methodScope.NotInFieldDecl
- && fieldBinding.id >= methodScope.fieldDeclarationIndex) {
+ && methodScope.fieldDeclarationIndex != MethodScope.NotInFieldDecl
+ && fieldBinding.id >= methodScope.fieldDeclarationIndex) {
if ((!fieldBinding.isStatic() || methodScope.isStatic)
- && this.indexOfFirstFieldBinding == 1)
- scope.problemReporter().forwardReference(this, 0, scope.enclosingSourceType());
+ && this.indexOfFirstFieldBinding == 1)
+ scope.problemReporter().forwardReference(this, 0,
+ scope.enclosingSourceType());
}
bits &= ~RestrictiveFlagMASK; // clear bits
bits |= FIELD;
return getOtherFieldBindings(scope);
}
- public void generateAssignment(
- BlockScope currentScope,
- CodeStream codeStream,
- Assignment assignment,
- boolean valueRequired) {
-
- generateReadSequence(currentScope, codeStream, true);
- assignment.expression.generateCode(currentScope, codeStream, true);
- fieldStore(codeStream, lastFieldBinding, syntheticWriteAccessor, valueRequired);
- // equivalent to valuesRequired[maxOtherBindings]
- if (valueRequired) {
- codeStream.generateImplicitConversion(assignment.implicitConversion);
- }
- }
- public void generateCode(
- BlockScope currentScope,
- CodeStream codeStream,
- boolean valueRequired) {
- int pc = codeStream.position;
- if (constant != NotAConstant) {
- if (valueRequired) {
- codeStream.generateConstant(constant, implicitConversion);
- }
- } else {
- generateReadSequence(currentScope, codeStream, valueRequired);
- if (valueRequired) {
- if (lastFieldBinding.declaringClass == null) { // array length
- codeStream.arraylength();
- codeStream.generateImplicitConversion(implicitConversion);
- } else {
- if (lastFieldBinding.constant != NotAConstant) {
- // inline the last field constant
- codeStream.generateConstant(lastFieldBinding.constant, implicitConversion);
- } else {
- SyntheticAccessMethodBinding accessor =
- syntheticReadAccessors == null
- ? null
- : syntheticReadAccessors[syntheticReadAccessors.length - 1];
- if (accessor == null) {
- if (lastFieldBinding.isStatic()) {
- codeStream.getstatic(lastFieldBinding);
- } else {
- codeStream.getfield(lastFieldBinding);
- }
- } else {
- codeStream.invokestatic(accessor);
- }
- codeStream.generateImplicitConversion(implicitConversion);
- }
- }
- }
- }
- codeStream.recordPositionsFrom(pc, this.sourceStart);
- }
- public void generateCompoundAssignment(
- BlockScope currentScope,
- CodeStream codeStream,
- Expression expression,
- int operator,
- int assignmentImplicitConversion,
- boolean valueRequired) {
-
- generateReadSequence(currentScope, codeStream, true);
- SyntheticAccessMethodBinding accessor =
- syntheticReadAccessors == null
- ? null
- : syntheticReadAccessors[syntheticReadAccessors.length - 1];
- if (lastFieldBinding.isStatic()) {
- if (accessor == null) {
- codeStream.getstatic(lastFieldBinding);
- } else {
- codeStream.invokestatic(accessor);
- }
- } else {
- codeStream.dup();
- if (accessor == null) {
- codeStream.getfield(lastFieldBinding);
- } else {
- codeStream.invokestatic(accessor);
- }
- }
- // the last field access is a write access
- // perform the actual compound operation
- int operationTypeID;
- if ((operationTypeID = implicitConversion >> 4) == T_String) {
- codeStream.generateStringAppend(currentScope, null, expression);
- } else {
- // promote the array reference to the suitable operation type
- codeStream.generateImplicitConversion(implicitConversion);
- // generate the increment value (will by itself be promoted to the operation value)
- if (expression == IntLiteral.One) { // prefix operation
- codeStream.generateConstant(expression.constant, 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(codeStream, lastFieldBinding, syntheticWriteAccessor, valueRequired);
- // equivalent to valuesRequired[maxOtherBindings]
- }
- public void generatePostIncrement(
- BlockScope currentScope,
- CodeStream codeStream,
- CompoundAssignment postIncrement,
- boolean valueRequired) {
- generateReadSequence(currentScope, codeStream, true);
- SyntheticAccessMethodBinding accessor =
- syntheticReadAccessors == null
- ? null
- : syntheticReadAccessors[syntheticReadAccessors.length - 1];
- if (lastFieldBinding.isStatic()) {
- if (accessor == null) {
- codeStream.getstatic(lastFieldBinding);
- } else {
- codeStream.invokestatic(accessor);
- }
- } else {
- codeStream.dup();
- if (accessor == null) {
- codeStream.getfield(lastFieldBinding);
- } else {
- codeStream.invokestatic(accessor);
- }
- }
- // duplicate the old field value
- if (valueRequired) {
- if (lastFieldBinding.isStatic()) {
- if ((lastFieldBinding.type == LongBinding)
- || (lastFieldBinding.type == DoubleBinding)) {
- codeStream.dup2();
- } else {
- codeStream.dup();
- }
- } else { // Stack: [owner][old field value] ---> [old field value][owner][old field value]
- if ((lastFieldBinding.type == LongBinding)
- || (lastFieldBinding.type == DoubleBinding)) {
- codeStream.dup2_x1();
- } else {
- codeStream.dup_x1();
- }
- }
- }
- codeStream.generateConstant(
- postIncrement.expression.constant,
- implicitConversion);
- codeStream.sendOperator(postIncrement.operator, lastFieldBinding.type.id);
- codeStream.generateImplicitConversion(
- postIncrement.assignmentImplicitConversion);
- fieldStore(codeStream, lastFieldBinding, syntheticWriteAccessor, false);
- }
- /*
- * Generate code for all bindings (local and fields) excluding the last one, which may then be generated code
- * for a read or write access.
- */
- public void generateReadSequence(
- BlockScope currentScope,
- CodeStream codeStream,
- boolean valueRequired) {
- // determine the rank until which we now we do not need any actual value for the field access
- int otherBindingsCount = this.otherCodegenBindings == null ? 0 : otherCodegenBindings.length;
- int indexOfFirstValueRequired;
- if (valueRequired) {
- indexOfFirstValueRequired = otherBindingsCount;
- while (indexOfFirstValueRequired > 0) {
- FieldBinding otherBinding = this.otherCodegenBindings[indexOfFirstValueRequired - 1];
- if (otherBinding.isStatic() || otherBinding.constant != NotAConstant)
- break; // no longer need any value before this point
- indexOfFirstValueRequired--;
- }
- } else {
- indexOfFirstValueRequired = otherBindingsCount + 1;
- }
- if (indexOfFirstValueRequired == 0) {
- switch (bits & RestrictiveFlagMASK) {
- case FIELD :
- lastFieldBinding = (FieldBinding) this.codegenBinding;
- // if first field is actually constant, we can inline it
- if (lastFieldBinding.constant != NotAConstant) {
- codeStream.generateConstant(lastFieldBinding.constant, 0);
- // no implicit conversion
- lastFieldBinding = null; // will not generate it again
- break;
- }
- if (!lastFieldBinding.isStatic()) {
- if ((bits & DepthMASK) != 0) {
- Object[] emulationPath =
- currentScope.getExactEmulationPath(
- currentScope.enclosingSourceType().enclosingTypeAt(
- (bits & DepthMASK) >> DepthSHIFT));
- if (emulationPath == null) {
- // internal error, per construction we should have found it
- currentScope.problemReporter().needImplementation();
- } else {
- codeStream.generateOuterAccess(emulationPath, this, currentScope);
- }
- } else {
- generateReceiver(codeStream);
- }
- }
- break;
- case LOCAL : // reading the first local variable
- lastFieldBinding = null;
- LocalVariableBinding localBinding = (LocalVariableBinding) this.codegenBinding;
- // regular local variable read
- if (localBinding.constant != NotAConstant) {
- codeStream.generateConstant(localBinding.constant, 0);
- // no implicit conversion
- } else {
- // outer local?
- if ((bits & DepthMASK) != 0) {
- // outer local can be reached either through a synthetic arg or a synthetic field
- VariableBinding[] path = currentScope.getEmulationPath(localBinding);
- if (path == null) {
- // emulation was not possible (should not happen per construction)
- currentScope.problemReporter().needImplementation();
- } else {
- codeStream.generateOuterAccess(path, this, currentScope);
- }
- } else {
- codeStream.load(localBinding);
- }
- }
- }
- } else {
- lastFieldBinding = null;
- }
- // all intermediate field accesses are read accesses
- // only the last field binding is a write access
- if (this.otherCodegenBindings != null) {
- int start = indexOfFirstValueRequired == 0 ? 0 : indexOfFirstValueRequired - 1;
- for (int i = start; i < otherBindingsCount; i++) {
- if (lastFieldBinding != null) {
- MethodBinding accessor =
- syntheticReadAccessors == null ? null : syntheticReadAccessors[i];
- if (accessor == null)
- if (lastFieldBinding.isStatic())
- codeStream.getstatic(lastFieldBinding);
- else
- codeStream.getfield(lastFieldBinding);
- else
- codeStream.invokestatic(accessor);
- }
- lastFieldBinding = otherCodegenBindings[i];
- }
- }
- }
- public void generateReceiver(CodeStream codeStream) {
- codeStream.aload_0();
- }
+
+ // public void generateAssignment(
+ // BlockScope currentScope,
+ // CodeStream codeStream,
+ // Assignment assignment,
+ // boolean valueRequired) {
+ //
+ // generateReadSequence(currentScope, codeStream);
+ // assignment.expression.generateCode(currentScope, codeStream, true);
+ // fieldStore(codeStream, lastFieldBinding, syntheticWriteAccessor,
+ // valueRequired);
+ // // equivalent to valuesRequired[maxOtherBindings]
+ // if (valueRequired) {
+ // codeStream.generateImplicitConversion(assignment.implicitConversion);
+ // }
+ // }
+ // public void generateCode(
+ // BlockScope currentScope,
+ // CodeStream codeStream,
+ // boolean valueRequired) {
+ //
+ // int pc = codeStream.position;
+ // if (constant != NotAConstant) {
+ // if (valueRequired) {
+ // codeStream.generateConstant(constant, implicitConversion);
+ // }
+ // } else {
+ // generateReadSequence(currentScope, codeStream);
+ // if (valueRequired) {
+ // if (lastFieldBinding.declaringClass == null) { // array length
+ // codeStream.arraylength();
+ // codeStream.generateImplicitConversion(implicitConversion);
+ // } else {
+ // if (lastFieldBinding.constant != NotAConstant) {
+ // if (!lastFieldBinding.isStatic()){
+ // codeStream.invokeObjectGetClass();
+ // codeStream.pop();
+ // }
+ // // inline the last field constant
+ // codeStream.generateConstant(lastFieldBinding.constant,
+ // implicitConversion);
+ // } else {
+ // SyntheticAccessMethodBinding accessor =
+ // syntheticReadAccessors == null
+ // ? null
+ // : syntheticReadAccessors[syntheticReadAccessors.length - 1];
+ // if (accessor == null) {
+ // if (lastFieldBinding.isStatic()) {
+ // codeStream.getstatic(lastFieldBinding);
+ // } else {
+ // codeStream.getfield(lastFieldBinding);
+ // }
+ // } else {
+ // codeStream.invokestatic(accessor);
+ // }
+ // codeStream.generateImplicitConversion(implicitConversion);
+ // }
+ // }
+ // } else {
+ // if (lastFieldBinding != null && !lastFieldBinding.isStatic()){
+ // codeStream.invokeObjectGetClass(); // perform null check
+ // codeStream.pop();
+ // }
+ //
+ // }
+ // }
+ // codeStream.recordPositionsFrom(pc, this.sourceStart);
+ // }
+ // public void generateCompoundAssignment(
+ // BlockScope currentScope,
+ // CodeStream codeStream,
+ // Expression expression,
+ // int operator,
+ // int assignmentImplicitConversion,
+ // boolean valueRequired) {
+ //
+ // generateReadSequence(currentScope, codeStream);
+ // SyntheticAccessMethodBinding accessor =
+ // syntheticReadAccessors == null
+ // ? null
+ // : syntheticReadAccessors[syntheticReadAccessors.length - 1];
+ // if (lastFieldBinding.isStatic()) {
+ // if (accessor == null) {
+ // codeStream.getstatic(lastFieldBinding);
+ // } else {
+ // codeStream.invokestatic(accessor);
+ // }
+ // } else {
+ // codeStream.dup();
+ // if (accessor == null) {
+ // codeStream.getfield(lastFieldBinding);
+ // } else {
+ // codeStream.invokestatic(accessor);
+ // }
+ // }
+ // // the last field access is a write access
+ // // perform the actual compound operation
+ // int operationTypeID;
+ // if ((operationTypeID = implicitConversion >> 4) == T_String) {
+ // codeStream.generateStringAppend(currentScope, null, expression);
+ // } else {
+ // // promote the array reference to the suitable operation type
+ // codeStream.generateImplicitConversion(implicitConversion);
+ // // generate the increment value (will by itself be promoted to the
+ // operation value)
+ // if (expression == IntLiteral.One) { // prefix operation
+ // codeStream.generateConstant(expression.constant, 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(codeStream, lastFieldBinding, syntheticWriteAccessor,
+ // valueRequired);
+ // // equivalent to valuesRequired[maxOtherBindings]
+ // }
+ // public void generatePostIncrement(
+ // BlockScope currentScope,
+ // CodeStream codeStream,
+ // CompoundAssignment postIncrement,
+ // boolean valueRequired) {
+ // generateReadSequence(currentScope, codeStream);
+ // SyntheticAccessMethodBinding accessor =
+ // syntheticReadAccessors == null
+ // ? null
+ // : syntheticReadAccessors[syntheticReadAccessors.length - 1];
+ // if (lastFieldBinding.isStatic()) {
+ // if (accessor == null) {
+ // codeStream.getstatic(lastFieldBinding);
+ // } else {
+ // codeStream.invokestatic(accessor);
+ // }
+ // } else {
+ // codeStream.dup();
+ // if (accessor == null) {
+ // codeStream.getfield(lastFieldBinding);
+ // } else {
+ // codeStream.invokestatic(accessor);
+ // }
+ // }
+ // // duplicate the old field value
+ // if (valueRequired) {
+ // if (lastFieldBinding.isStatic()) {
+ // if ((lastFieldBinding.type == LongBinding)
+ // || (lastFieldBinding.type == DoubleBinding)) {
+ // codeStream.dup2();
+ // } else {
+ // codeStream.dup();
+ // }
+ // } else { // Stack: [owner][old field value] ---> [old field
+ // value][owner][old field value]
+ // if ((lastFieldBinding.type == LongBinding)
+ // || (lastFieldBinding.type == DoubleBinding)) {
+ // codeStream.dup2_x1();
+ // } else {
+ // codeStream.dup_x1();
+ // }
+ // }
+ // }
+ // codeStream.generateConstant(
+ // postIncrement.expression.constant,
+ // implicitConversion);
+ // codeStream.sendOperator(postIncrement.operator,
+ // lastFieldBinding.type.id);
+ // codeStream.generateImplicitConversion(
+ // postIncrement.assignmentImplicitConversion);
+ // fieldStore(codeStream, lastFieldBinding, syntheticWriteAccessor, false);
+ // }
+ // /*
+ // * Generate code for all bindings (local and fields) excluding the last
+ // one, which may then be generated code
+ // * for a read or write access.
+ // */
+ // public void generateReadSequence(
+ // BlockScope currentScope,
+ // CodeStream codeStream) {
+ //
+ // // determine the rank until which we now we do not need any actual value
+ // for the field access
+ // int otherBindingsCount = this.otherCodegenBindings == null ? 0 :
+ // otherCodegenBindings.length;
+ //
+ // boolean needValue = otherBindingsCount == 0 ||
+ // !this.otherBindings[0].isStatic();
+ // switch (bits & RestrictiveFlagMASK) {
+ // case FIELD :
+ // lastFieldBinding = (FieldBinding) this.codegenBinding;
+ // // if first field is actually constant, we can inline it
+ // if (lastFieldBinding.constant != NotAConstant) {
+ // break;
+ // }
+ // if (needValue && !lastFieldBinding.isStatic()) {
+ // if ((bits & DepthMASK) != 0) {
+ // ReferenceBinding targetType =
+ // currentScope.enclosingSourceType().enclosingTypeAt((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);
+ // }
+ // }
+ // break;
+ // case LOCAL : // reading the first local variable
+ // if (!needValue) break; // no value needed
+ // lastFieldBinding = null;
+ // LocalVariableBinding localBinding = (LocalVariableBinding)
+ // this.codegenBinding;
+ // // regular local variable read
+ // if (localBinding.constant != NotAConstant) {
+ // codeStream.generateConstant(localBinding.constant, 0);
+ // // no implicit conversion
+ // } else {
+ // // outer local?
+ // if ((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 {
+ // codeStream.load(localBinding);
+ // }
+ // }
+ // }
+ //
+ // // all intermediate field accesses are read accesses
+ // // only the last field binding is a write access
+ // if (this.otherCodegenBindings != null) {
+ // for (int i = 0; i < otherBindingsCount; i++) {
+ // FieldBinding nextField = this.otherCodegenBindings[i];
+ // if (lastFieldBinding != null) {
+ // needValue = !nextField.isStatic();
+ // if (needValue) {
+ // MethodBinding accessor =
+ // syntheticReadAccessors == null ? null : syntheticReadAccessors[i];
+ // if (accessor == null) {
+ // if (lastFieldBinding.constant != NotAConstant) {
+ // if (this.lastFieldBinding != this.codegenBinding &&
+ // !this.lastFieldBinding.isStatic()) {
+ // codeStream.invokeObjectGetClass(); // perform null check
+ // codeStream.pop();
+ // }
+ // codeStream.generateConstant(lastFieldBinding.constant, 0);
+ // } else if (lastFieldBinding.isStatic()) {
+ // codeStream.getstatic(lastFieldBinding);
+ // } else {
+ // codeStream.getfield(lastFieldBinding);
+ // }
+ // } else {
+ // codeStream.invokestatic(accessor);
+ // }
+ // } else {
+ // if (this.codegenBinding != this.lastFieldBinding &&
+ // !this.lastFieldBinding.isStatic()){
+ // codeStream.invokeObjectGetClass(); // perform null check
+ // codeStream.pop();
+ // }
+ // }
+ // }
+ // this.lastFieldBinding = nextField;
+ // }
+ // }
+ // }
+ // public void generateReceiver(CodeStream codeStream) {
+ // codeStream.aload_0();
+ // }
public TypeBinding getOtherFieldBindings(BlockScope scope) {
- // At this point restrictiveFlag may ONLY have two potential value : FIELD LOCAL (i.e cast <<(VariableBinding) binding>> is valid)
+ // At this point restrictiveFlag may ONLY have two potential value :
+ // FIELD LOCAL (i.e cast <<(VariableBinding) binding>> is valid)
if ((bits & FIELD) != 0) {
if (!((FieldBinding) binding).isStatic()) {
- //must check for the static status....
+ // must check for the static status....
if (indexOfFirstFieldBinding == 1) {
- //the field is the first token of the qualified reference....
+ // the field is the first token of the qualified
+ // reference....
if (scope.methodScope().isStatic) {
- scope.problemReporter().staticFieldAccessToNonStaticVariable(
- this,
- (FieldBinding) binding);
+ scope.problemReporter()
+ .staticFieldAccessToNonStaticVariable(this,
+ (FieldBinding) binding);
return null;
}
- } else { //accessing to a field using a type as "receiver" is allowed only with static field
- scope.problemReporter().staticFieldAccessToNonStaticVariable(
- this,
- (FieldBinding) binding);
+ } else { // accessing to a field using a type as "receiver"
+ // is allowed only with static field
+ scope.problemReporter()
+ .staticFieldAccessToNonStaticVariable(this,
+ (FieldBinding) binding);
return null;
}
}
if (isFieldUseDeprecated((FieldBinding) binding, scope))
- scope.problemReporter().deprecatedField((FieldBinding) binding, this);
+ scope.problemReporter().deprecatedField((FieldBinding) binding,
+ this);
}
TypeBinding type = ((VariableBinding) binding).type;
int index = indexOfFirstFieldBinding;
int length = tokens.length;
- if (index == length) { // restrictiveFlag == FIELD
- constant =
- FieldReference.getConstantFor((FieldBinding) binding, false, this, scope, index - 1);
+ if (index == length) { // restrictiveFlag == FIELD
+ this.constant = FieldReference.getConstantFor(
+ (FieldBinding) binding, this, false, scope);
return type;
}
- // allocation of the fieldBindings array and its respective constants
+ // allocation of the fieldBindings array and its respective constants
int otherBindingsLength = length - index;
otherCodegenBindings = otherBindings = new FieldBinding[otherBindingsLength];
otherDepths = new int[otherBindingsLength];
-
+
// fill the first constant (the one of the binding)
- constant =
- ((bits & FIELD) != 0)
- ? FieldReference.getConstantFor((FieldBinding) binding, false, this, scope, index - 1)
+ this.constant = ((bits & FIELD) != 0) ? FieldReference.getConstantFor(
+ (FieldBinding) binding, this, false, scope)
: ((VariableBinding) binding).constant;
- // save first depth, since will be updated by visibility checks of other bindings
+ // save first depth, since will be updated by visibility checks of other
+ // bindings
int firstDepth = (bits & DepthMASK) >> DepthSHIFT;
- // iteration on each field
+ // iteration on each field
while (index < length) {
char[] token = tokens[index];
if (type == null)
return null; // could not resolve type prior to this point
- bits &= ~DepthMASK; // flush previous depth if any
+ bits &= ~DepthMASK; // flush previous depth if any
FieldBinding field = scope.getField(type, token, this);
int place = index - indexOfFirstFieldBinding;
otherBindings[place] = field;
if (field.isValidBinding()) {
if (isFieldUseDeprecated(field, scope))
scope.problemReporter().deprecatedField(field, this);
- Constant someConstant =
- FieldReference.getConstantFor(field, false, this, scope, place);
- // constant propagation can only be performed as long as the previous one is a constant too.
- if (constant != NotAConstant) {
- constant = someConstant;
+ Constant someConstant = FieldReference.getConstantFor(field,
+ this, false, scope);
+ // constant propagation can only be performed as long as the
+ // previous one is a constant too.
+ if (this.constant != NotAConstant) {
+ this.constant = someConstant;
}
+
type = field.type;
index++;
+
+ if (field.isStatic()) {
+ // static field accessed through receiver? legal but
+ // unoptimal (optional warning)
+ scope.problemReporter().unnecessaryReceiverForStaticField(
+ this, field);
+ }
+
} else {
- constant = NotAConstant; //don't fill other constants slots...
+ constant = NotAConstant; // don't fill other constants
+ // slots...
scope.problemReporter().invalidField(this, field, index, type);
setDepth(firstDepth);
return null;
setDepth(firstDepth);
return (otherBindings[otherBindingsLength - 1]).type;
}
+
public void manageEnclosingInstanceAccessIfNecessary(BlockScope currentScope) {
- //If inlinable field, forget the access emulation, the code gen will directly target it
+ // If inlinable field, forget the access emulation, the code gen will
+ // directly target it
if (((bits & DepthMASK) == 0) || (constant != NotAConstant)) {
return;
}
- switch (bits & RestrictiveFlagMASK) {
- case FIELD :
- FieldBinding fieldBinding;
- if ((fieldBinding = (FieldBinding) binding).isStatic()
- || (fieldBinding.constant != NotAConstant))
- return;
- ReferenceBinding compatibleType = currentScope.enclosingSourceType();
- // the declaringClass of the target binding must be compatible with the enclosing
- // type at <depth> levels outside
- for (int i = 0, depth = (bits & DepthMASK) >> DepthSHIFT; i < depth; i++) {
- compatibleType = compatibleType.enclosingType();
- }
- currentScope.emulateOuterAccess(compatibleType, false);
- // request cascade of accesses
- break;
- case LOCAL :
- currentScope.emulateOuterAccess((LocalVariableBinding) binding);
+ if ((bits & RestrictiveFlagMASK) == LOCAL) {
+ currentScope.emulateOuterAccess((LocalVariableBinding) binding);
}
}
- public void manageSyntheticReadAccessIfNecessary(
- BlockScope currentScope,
- FieldBinding fieldBinding,
- TypeBinding lastReceiverType,
- int index) {
- // index == 0 denotes the first fieldBinding, index > 0 denotes one of the 'otherBindings'
+
+ public void manageSyntheticReadAccessIfNecessary(BlockScope currentScope,
+ FieldBinding fieldBinding, TypeBinding lastReceiverType, int index) {
+ // index == 0 denotes the first fieldBinding, index > 0 denotes one of
+ // the 'otherBindings'
if (fieldBinding.constant != NotAConstant)
return;
if (fieldBinding.isPrivate()) { // private access
- if (fieldBinding.declaringClass != currentScope.enclosingSourceType()) {
+ if (fieldBinding.declaringClass != currentScope
+ .enclosingSourceType()) {
if (syntheticReadAccessors == null) {
if (otherBindings == null)
syntheticReadAccessors = new SyntheticAccessMethodBinding[1];
else
- syntheticReadAccessors =
- new SyntheticAccessMethodBinding[otherBindings.length + 1];
+ syntheticReadAccessors = new SyntheticAccessMethodBinding[otherBindings.length + 1];
}
- syntheticReadAccessors[index] = ((SourceTypeBinding) fieldBinding.declaringClass).addSyntheticMethod(fieldBinding, true);
- currentScope.problemReporter().needToEmulateFieldReadAccess(fieldBinding, this);
+ syntheticReadAccessors[index] = ((SourceTypeBinding) fieldBinding.declaringClass)
+ .addSyntheticMethod(fieldBinding, true);
+ currentScope.problemReporter().needToEmulateFieldReadAccess(
+ fieldBinding, this);
return;
}
- } else if (fieldBinding.isProtected()){
- int depth = index == 0 ? (bits & DepthMASK) >> DepthSHIFT : otherDepths[index-1];
+ } else if (fieldBinding.isProtected()) {
+ int depth = index == 0 ? (bits & DepthMASK) >> DepthSHIFT
+ : otherDepths[index - 1];
// implicit protected access (only for first one)
- if (depth > 0 && (fieldBinding.declaringClass.getPackage()
- != currentScope.enclosingSourceType().getPackage())) {
+ if (depth > 0
+ && (fieldBinding.declaringClass.getPackage() != currentScope
+ .enclosingSourceType().getPackage())) {
if (syntheticReadAccessors == null) {
if (otherBindings == null)
syntheticReadAccessors = new SyntheticAccessMethodBinding[1];
else
- syntheticReadAccessors =
- new SyntheticAccessMethodBinding[otherBindings.length + 1];
+ syntheticReadAccessors = new SyntheticAccessMethodBinding[otherBindings.length + 1];
}
- syntheticReadAccessors[index] =
- ((SourceTypeBinding) currentScope.enclosingSourceType().enclosingTypeAt(depth))
- .addSyntheticMethod(fieldBinding, true);
- currentScope.problemReporter().needToEmulateFieldReadAccess(fieldBinding, this);
+ syntheticReadAccessors[index] = ((SourceTypeBinding) currentScope
+ .enclosingSourceType().enclosingTypeAt(depth))
+ .addSyntheticMethod(fieldBinding, true);
+ currentScope.problemReporter().needToEmulateFieldReadAccess(
+ fieldBinding, this);
return;
}
}
// if the binding declaring class is not visible, need special action
- // for runtime compatibility on 1.2 VMs : change the declaring class of the binding
- // NOTE: from 1.4 on, field's declaring class is touched if any different from receiver type
- if (fieldBinding.declaringClass != lastReceiverType
- && !lastReceiverType.isArrayType()
- && fieldBinding.declaringClass != null
- && fieldBinding.constant == NotAConstant
- && ((currentScope.environment().options.complianceLevel >= CompilerOptions.JDK1_4
- && (index > 0 || indexOfFirstFieldBinding > 1 || !fieldBinding.isStatic())
- && fieldBinding.declaringClass.id != T_Object)
- || !fieldBinding.declaringClass.canBeSeenBy(currentScope))){
- if (index == 0){
- this.codegenBinding = currentScope.enclosingSourceType().getUpdatedFieldBinding(fieldBinding, (ReferenceBinding)lastReceiverType);
- } else {
- if (this.otherCodegenBindings == this.otherBindings){
- int l = this.otherBindings.length;
- System.arraycopy(this.otherBindings, 0, this.otherCodegenBindings = new FieldBinding[l], 0, l);
- }
- this.otherCodegenBindings[index-1] = currentScope.enclosingSourceType().getUpdatedFieldBinding(fieldBinding, (ReferenceBinding)lastReceiverType);
- }
- }
+ // for runtime compatibility on 1.2 VMs : change the declaring class of
+ // the binding
+ // NOTE: from target 1.2 on, field's declaring class is touched if any
+ // different from receiver type
+ // if (fieldBinding.declaringClass != lastReceiverType
+ // && !lastReceiverType.isArrayType()
+ // && fieldBinding.declaringClass != null
+ // && fieldBinding.constant == NotAConstant
+ // && ((currentScope.environment().options.targetJDK >=
+ // CompilerOptions.JDK1_2
+ // && (index > 0 || indexOfFirstFieldBinding > 1 ||
+ // !fieldBinding.isStatic())
+ // && fieldBinding.declaringClass.id != T_Object)
+ // || !fieldBinding.declaringClass.canBeSeenBy(currentScope))){
+ // if (index == 0){
+ // this.codegenBinding =
+ // currentScope.enclosingSourceType().getUpdatedFieldBinding(fieldBinding,
+ // (ReferenceBinding)lastReceiverType);
+ // } else {
+ // if (this.otherCodegenBindings == this.otherBindings){
+ // int l = this.otherBindings.length;
+ // System.arraycopy(this.otherBindings, 0, this.otherCodegenBindings =
+ // new FieldBinding[l], 0, l);
+ // }
+ // this.otherCodegenBindings[index-1] =
+ // currentScope.enclosingSourceType().getUpdatedFieldBinding(fieldBinding,
+ // (ReferenceBinding)lastReceiverType);
+ // }
+ // }
}
+
/*
- * No need to emulate access to protected fields since not implicitly accessed
+ * No need to emulate access to protected fields since not implicitly
+ * accessed
*/
- public void manageSyntheticWriteAccessIfNecessary(
- BlockScope currentScope,
- FieldBinding fieldBinding,
- TypeBinding lastReceiverType) {
+ public void manageSyntheticWriteAccessIfNecessary(BlockScope currentScope,
+ FieldBinding fieldBinding, TypeBinding lastReceiverType) {
if (fieldBinding.isPrivate()) {
- if (fieldBinding.declaringClass != currentScope.enclosingSourceType()) {
+ if (fieldBinding.declaringClass != currentScope
+ .enclosingSourceType()) {
syntheticWriteAccessor = ((SourceTypeBinding) fieldBinding.declaringClass)
- .addSyntheticMethod(fieldBinding, false);
- currentScope.problemReporter().needToEmulateFieldWriteAccess(fieldBinding, this);
+ .addSyntheticMethod(fieldBinding, false);
+ currentScope.problemReporter().needToEmulateFieldWriteAccess(
+ fieldBinding, this);
return;
}
- } else if (fieldBinding.isProtected()){
- int depth = fieldBinding == binding ? (bits & DepthMASK) >> DepthSHIFT : otherDepths[otherDepths.length-1];
- if (depth > 0 && (fieldBinding.declaringClass.getPackage()
- != currentScope.enclosingSourceType().getPackage())) {
- syntheticWriteAccessor = ((SourceTypeBinding) currentScope.enclosingSourceType().enclosingTypeAt(depth))
- .addSyntheticMethod(fieldBinding, false);
- currentScope.problemReporter().needToEmulateFieldWriteAccess(fieldBinding, this);
+ } else if (fieldBinding.isProtected()) {
+ int depth = fieldBinding == binding ? (bits & DepthMASK) >> DepthSHIFT
+ : otherDepths[otherDepths.length - 1];
+ if (depth > 0
+ && (fieldBinding.declaringClass.getPackage() != currentScope
+ .enclosingSourceType().getPackage())) {
+ syntheticWriteAccessor = ((SourceTypeBinding) currentScope
+ .enclosingSourceType().enclosingTypeAt(depth))
+ .addSyntheticMethod(fieldBinding, false);
+ currentScope.problemReporter().needToEmulateFieldWriteAccess(
+ fieldBinding, this);
return;
}
}
// if the binding declaring class is not visible, need special action
- // for runtime compatibility on 1.2 VMs : change the declaring class of the binding
- // NOTE: from 1.4 on, field's declaring class is touched if any different from receiver type
- if (fieldBinding.declaringClass != lastReceiverType
- && !lastReceiverType.isArrayType()
- && fieldBinding.declaringClass != null
- && fieldBinding.constant == NotAConstant
- && ((currentScope.environment().options.complianceLevel >= CompilerOptions.JDK1_4
- && (fieldBinding != binding || indexOfFirstFieldBinding > 1 || !fieldBinding.isStatic())
- && fieldBinding.declaringClass.id != T_Object)
- || !fieldBinding.declaringClass.canBeSeenBy(currentScope))){
- if (fieldBinding == binding){
- this.codegenBinding = currentScope.enclosingSourceType().getUpdatedFieldBinding(fieldBinding, (ReferenceBinding)lastReceiverType);
- } else {
- if (this.otherCodegenBindings == this.otherBindings){
- int l = this.otherBindings.length;
- System.arraycopy(this.otherBindings, 0, this.otherCodegenBindings = new FieldBinding[l], 0, l);
- }
- this.otherCodegenBindings[this.otherCodegenBindings.length-1] = currentScope.enclosingSourceType().getUpdatedFieldBinding(fieldBinding, (ReferenceBinding)lastReceiverType);
- }
- }
-
+ // for runtime compatibility on 1.2 VMs : change the declaring class of
+ // the binding
+ // NOTE: from target 1.2 on, field's declaring class is touched if any
+ // different from receiver type
+ // if (fieldBinding.declaringClass != lastReceiverType
+ // && !lastReceiverType.isArrayType()
+ // && fieldBinding.declaringClass != null
+ // && fieldBinding.constant == NotAConstant
+ // && ((currentScope.environment().options.targetJDK >=
+ // CompilerOptions.JDK1_2
+ // && (fieldBinding != binding || indexOfFirstFieldBinding > 1 ||
+ // !fieldBinding.isStatic())
+ // && fieldBinding.declaringClass.id != T_Object)
+ // || !fieldBinding.declaringClass.canBeSeenBy(currentScope))){
+ // if (fieldBinding == binding){
+ // this.codegenBinding =
+ // currentScope.enclosingSourceType().getUpdatedFieldBinding(fieldBinding,
+ // (ReferenceBinding)lastReceiverType);
+ // } else {
+ // if (this.otherCodegenBindings == this.otherBindings){
+ // int l = this.otherBindings.length;
+ // System.arraycopy(this.otherBindings, 0, this.otherCodegenBindings =
+ // new FieldBinding[l], 0, l);
+ // }
+ // this.otherCodegenBindings[this.otherCodegenBindings.length-1] =
+ // currentScope.enclosingSourceType().getUpdatedFieldBinding(fieldBinding,
+ // (ReferenceBinding)lastReceiverType);
+ // }
+ // }
+
}
+
/**
- * Normal field binding did not work, try to bind to a field of the delegate receiver.
+ * Normal field binding did not work, try to bind to a field of the delegate
+ * receiver.
*/
public TypeBinding reportError(BlockScope scope) {
if (binding instanceof ProblemFieldBinding) {
}
return null;
}
+
+ public StringBuffer printExpression(int indent, StringBuffer output) {
+
+ for (int i = 0; i < tokens.length; i++) {
+ if (i > 0)
+ output.append('.');
+ output.append(tokens[i]);
+ }
+ return output;
+ }
+
public TypeBinding resolveType(BlockScope scope) {
// field and/or local are done before type lookups
// the only available value for the restrictiveFlag BEFORE
- // the TC is Flag_Type Flag_LocalField and Flag_TypeLocalField
- this.actualReceiverType = this.receiverType = scope.enclosingSourceType();
+ // the TC is Flag_Type Flag_LocalField and Flag_TypeLocalField
+ this.actualReceiverType = this.receiverType = scope
+ .enclosingSourceType();
constant = Constant.NotAConstant;
- if ((this.codegenBinding = this.binding = scope.getBinding(tokens, bits & RestrictiveFlagMASK, this))
- .isValidBinding()) {
+ if ((this.codegenBinding = this.binding = scope.getBinding(tokens, bits
+ & RestrictiveFlagMASK, this)).isValidBinding()) {
switch (bits & RestrictiveFlagMASK) {
- case VARIABLE : //============only variable===========
- case TYPE | VARIABLE :
- if (binding instanceof LocalVariableBinding) {
- if (!((LocalVariableBinding) binding).isFinal() && ((bits & DepthMASK) != 0))
- scope.problemReporter().cannotReferToNonFinalOuterLocal(
- (LocalVariableBinding) binding,
- this);
- bits &= ~RestrictiveFlagMASK; // clear bits
- bits |= LOCAL;
- return getOtherFieldBindings(scope);
- }
- if (binding instanceof FieldBinding) {
- // check for forward references
- FieldBinding fieldBinding = (FieldBinding) binding;
- MethodScope methodScope = scope.methodScope();
- if (methodScope.enclosingSourceType() == fieldBinding.declaringClass
- && methodScope.fieldDeclarationIndex != methodScope.NotInFieldDecl
+ case VARIABLE: // ============only variable===========
+ case TYPE | VARIABLE:
+ if (binding instanceof LocalVariableBinding) {
+ if (!((LocalVariableBinding) binding).isFinal()
+ && ((bits & DepthMASK) != 0))
+ scope.problemReporter()
+ .cannotReferToNonFinalOuterLocal(
+ (LocalVariableBinding) binding, this);
+ bits &= ~RestrictiveFlagMASK; // clear bits
+ bits |= LOCAL;
+ return this.resolvedType = getOtherFieldBindings(scope);
+ }
+ if (binding instanceof FieldBinding) {
+ // check for forward references
+ FieldBinding fieldBinding = (FieldBinding) binding;
+ MethodScope methodScope = scope.methodScope();
+ if (methodScope.enclosingSourceType() == fieldBinding.declaringClass
+ && methodScope.fieldDeclarationIndex != MethodScope.NotInFieldDecl
&& fieldBinding.id >= methodScope.fieldDeclarationIndex) {
- if ((!fieldBinding.isStatic() || methodScope.isStatic)
+ if ((!fieldBinding.isStatic() || methodScope.isStatic)
&& this.indexOfFirstFieldBinding == 1)
- scope.problemReporter().forwardReference(this, 0, scope.enclosingSourceType());
- }
- bits &= ~RestrictiveFlagMASK; // clear bits
- bits |= FIELD;
- return getOtherFieldBindings(scope);
+ scope.problemReporter().forwardReference(this, 0,
+ scope.enclosingSourceType());
}
- // thus it was a type
bits &= ~RestrictiveFlagMASK; // clear bits
- bits |= TYPE;
- case TYPE : //=============only type ==============
- //deprecated test
- if (isTypeUseDeprecated((TypeBinding) binding, scope))
- scope.problemReporter().deprecatedType((TypeBinding) binding, this);
- return (TypeBinding) binding;
+ bits |= FIELD;
+
+ // check for deprecated receiver type
+ // deprecation check for receiver type if not first token
+ if (indexOfFirstFieldBinding > 1) {
+ if (isTypeUseDeprecated(this.actualReceiverType, scope))
+ scope.problemReporter().deprecatedType(
+ this.actualReceiverType, this);
+ }
+
+ return this.resolvedType = getOtherFieldBindings(scope);
+ }
+ // thus it was a type
+ bits &= ~RestrictiveFlagMASK; // clear bits
+ bits |= TYPE;
+ case TYPE: // =============only type ==============
+ if (isTypeUseDeprecated((TypeBinding) binding, scope))
+ scope.problemReporter().deprecatedType(
+ (TypeBinding) binding, this);
+ return this.resolvedType = (TypeBinding) binding;
}
}
- //========error cases===============
- return this.reportError(scope);
+ // ========error cases===============
+ return this.resolvedType = this.reportError(scope);
}
+
public void setFieldIndex(int index) {
this.indexOfFirstFieldBinding = index;
}
+
public String toStringExpression() {
StringBuffer buffer = new StringBuffer();
for (int i = 0; i < tokens.length; i++) {
}
return buffer.toString();
}
+
public void traverse(IAbstractSyntaxTreeVisitor visitor, BlockScope scope) {
visitor.visit(this, scope);
visitor.endVisit(this, scope);
}
+
public String unboundReferenceErrorName() {
return new String(tokens[0]);
}
-}
\ No newline at end of file
+}
git://git.phpeclipse.com / phpeclipse.git / blobdiff