/*******************************************************************************
- * 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.lookup;
public class NestedTypeBinding extends SourceTypeBinding {
+
public SourceTypeBinding enclosingType;
public SyntheticArgumentBinding[] enclosingInstances;
+
public SyntheticArgumentBinding[] outerLocalVariables;
- public int syntheticArgumentsOffset; // amount of slots used by synthetic constructor arguments
-public NestedTypeBinding(char[][] typeName, ClassScope scope, SourceTypeBinding enclosingType) {
- super(typeName, enclosingType.fPackage, scope);
- this.tagBits |= IsNestedType;
- this.enclosingType = enclosingType;
-}
-/* Add a new synthetic argument for <actualOuterLocalVariable>.
-* Answer the new argument or the existing argument if one already existed.
-*/
-
-public SyntheticArgumentBinding addSyntheticArgument(LocalVariableBinding actualOuterLocalVariable) {
- SyntheticArgumentBinding synthLocal = null;
-
- if (outerLocalVariables == null) {
- synthLocal = new SyntheticArgumentBinding(actualOuterLocalVariable);
- outerLocalVariables = new SyntheticArgumentBinding[] {synthLocal};
- } else {
- int size = outerLocalVariables.length;
- int newArgIndex = size;
- for (int i = size; --i >= 0;) { // must search backwards
- if (outerLocalVariables[i].actualOuterLocalVariable == actualOuterLocalVariable)
- return outerLocalVariables[i]; // already exists
- if (outerLocalVariables[i].id > actualOuterLocalVariable.id)
- newArgIndex = i;
+
+ public int enclosingInstancesSlotSize; // amount of slots used by synthetic
+ // enclosing instances
+
+ public int outerLocalVariablesSlotSize; // amount of slots used by synthetic
+ // outer local variables
+
+ public NestedTypeBinding(char[][] typeName, ClassScope scope,
+ SourceTypeBinding enclosingType) {
+ super(typeName, enclosingType.fPackage, scope);
+ this.tagBits |= IsNestedType;
+ this.enclosingType = enclosingType;
+ }
+
+ /*
+ * Add a new synthetic argument for <actualOuterLocalVariable>. Answer the
+ * new argument or the existing argument if one already existed.
+ */
+ public SyntheticArgumentBinding addSyntheticArgument(
+ LocalVariableBinding actualOuterLocalVariable) {
+ SyntheticArgumentBinding synthLocal = null;
+
+ if (outerLocalVariables == null) {
+ synthLocal = new SyntheticArgumentBinding(actualOuterLocalVariable);
+ outerLocalVariables = new SyntheticArgumentBinding[] { synthLocal };
+ } else {
+ int size = outerLocalVariables.length;
+ int newArgIndex = size;
+ for (int i = size; --i >= 0;) { // must search backwards
+ if (outerLocalVariables[i].actualOuterLocalVariable == actualOuterLocalVariable)
+ return outerLocalVariables[i]; // already exists
+ if (outerLocalVariables[i].id > actualOuterLocalVariable.id)
+ newArgIndex = i;
+ }
+ SyntheticArgumentBinding[] synthLocals = new SyntheticArgumentBinding[size + 1];
+ System.arraycopy(outerLocalVariables, 0, synthLocals, 0,
+ newArgIndex);
+ synthLocals[newArgIndex] = synthLocal = new SyntheticArgumentBinding(
+ actualOuterLocalVariable);
+ System.arraycopy(outerLocalVariables, newArgIndex, synthLocals,
+ newArgIndex + 1, size - newArgIndex);
+ outerLocalVariables = synthLocals;
}
- SyntheticArgumentBinding[] synthLocals = new SyntheticArgumentBinding[size + 1];
- System.arraycopy(outerLocalVariables, 0, synthLocals, 0, newArgIndex);
- synthLocals[newArgIndex] = synthLocal = new SyntheticArgumentBinding(actualOuterLocalVariable);
- System.arraycopy(outerLocalVariables, newArgIndex, synthLocals, newArgIndex + 1, size - newArgIndex);
- outerLocalVariables = synthLocals;
+ // System.out.println("Adding synth arg for local var: " + new
+ // String(actualOuterLocalVariable.name) + " to: " + new
+ // String(this.readableName()));
+ if (scope.referenceCompilationUnit().isPropagatingInnerClassEmulation)
+ this.updateInnerEmulationDependents();
+ return synthLocal;
}
- //System.out.println("Adding synth arg for local var: " + new String(actualOuterLocalVariable.name) + " to: " + new String(this.readableName()));
- if (scope.referenceCompilationUnit().isPropagatingInnerClassEmulation)
- this.updateInnerEmulationDependents();
- return synthLocal;
-}
-/* Add a new synthetic argument for <enclosingType>.
-* Answer the new argument or the existing argument if one already existed.
-*/
-
-public SyntheticArgumentBinding addSyntheticArgument(ReferenceBinding enclosingType) {
- SyntheticArgumentBinding synthLocal = null;
- if (enclosingInstances == null) {
- synthLocal = new SyntheticArgumentBinding(enclosingType);
- enclosingInstances = new SyntheticArgumentBinding[] {synthLocal};
- } else {
- int size = enclosingInstances.length;
- int newArgIndex = size;
- for (int i = size; --i >= 0;) {
- if (enclosingInstances[i].type == enclosingType)
- return enclosingInstances[i]; // already exists
- if (this.enclosingType() == enclosingType)
- newArgIndex = 0;
+
+ /*
+ * Add a new synthetic argument for <enclosingType>. Answer the new argument
+ * or the existing argument if one already existed.
+ */
+ public SyntheticArgumentBinding addSyntheticArgument(
+ ReferenceBinding enclosingType) {
+ SyntheticArgumentBinding synthLocal = null;
+ if (enclosingInstances == null) {
+ synthLocal = new SyntheticArgumentBinding(enclosingType);
+ enclosingInstances = new SyntheticArgumentBinding[] { synthLocal };
+ } else {
+ int size = enclosingInstances.length;
+ int newArgIndex = size;
+ for (int i = size; --i >= 0;) {
+ if (enclosingInstances[i].type == enclosingType)
+ return enclosingInstances[i]; // already exists
+ if (this.enclosingType() == enclosingType)
+ newArgIndex = 0;
+ }
+ SyntheticArgumentBinding[] newInstances = new SyntheticArgumentBinding[size + 1];
+ System.arraycopy(enclosingInstances, 0, newInstances,
+ newArgIndex == 0 ? 1 : 0, size);
+ newInstances[newArgIndex] = synthLocal = new SyntheticArgumentBinding(
+ enclosingType);
+ enclosingInstances = newInstances;
}
- SyntheticArgumentBinding[] newInstances = new SyntheticArgumentBinding[size + 1];
- System.arraycopy(enclosingInstances, 0, newInstances, newArgIndex == 0 ? 1 : 0, size);
- newInstances[newArgIndex] = synthLocal = new SyntheticArgumentBinding(enclosingType);
- enclosingInstances = newInstances;
+ // System.out.println("Adding synth arg for enclosing type: " + new
+ // String(enclosingType.readableName()) + " to: " + new
+ // String(this.readableName()));
+ if (scope.referenceCompilationUnit().isPropagatingInnerClassEmulation)
+ this.updateInnerEmulationDependents();
+ return synthLocal;
}
- //System.out.println("Adding synth arg for enclosing type: " + new String(enclosingType.readableName()) + " to: " + new String(this.readableName()));
- if (scope.referenceCompilationUnit().isPropagatingInnerClassEmulation)
- this.updateInnerEmulationDependents();
- return synthLocal;
-}
-/* Add a new synthetic argument and field for <actualOuterLocalVariable>.
-* Answer the new argument or the existing argument if one already existed.
-*/
-public SyntheticArgumentBinding addSyntheticArgumentAndField(LocalVariableBinding actualOuterLocalVariable) {
- SyntheticArgumentBinding synthLocal = addSyntheticArgument(actualOuterLocalVariable);
- if (synthLocal == null) return null;
+ /*
+ * Add a new synthetic argument and field for <actualOuterLocalVariable>.
+ * Answer the new argument or the existing argument if one already existed.
+ */
+ public SyntheticArgumentBinding addSyntheticArgumentAndField(
+ LocalVariableBinding actualOuterLocalVariable) {
+ SyntheticArgumentBinding synthLocal = addSyntheticArgument(actualOuterLocalVariable);
+ if (synthLocal == null)
+ return null;
- if (synthLocal.matchingField == null)
- synthLocal.matchingField = addSyntheticField(actualOuterLocalVariable);
- return synthLocal;
-}
-/* Add a new synthetic argument and field for <enclosingType>.
-* Answer the new argument or the existing argument if one already existed.
-*/
+ if (synthLocal.matchingField == null)
+ synthLocal.matchingField = addSyntheticField(actualOuterLocalVariable);
+ return synthLocal;
+ }
-public SyntheticArgumentBinding addSyntheticArgumentAndField(ReferenceBinding enclosingType) {
- SyntheticArgumentBinding synthLocal = addSyntheticArgument(enclosingType);
- if (synthLocal == null) return null;
+ /*
+ * Add a new synthetic argument and field for <enclosingType>. Answer the
+ * new argument or the existing argument if one already existed.
+ */
+ public SyntheticArgumentBinding addSyntheticArgumentAndField(
+ ReferenceBinding enclosingType) {
+ SyntheticArgumentBinding synthLocal = addSyntheticArgument(enclosingType);
+ if (synthLocal == null)
+ return null;
- if (synthLocal.matchingField == null)
- synthLocal.matchingField = addSyntheticField(enclosingType);
- return synthLocal;
-}
-/**
- * Compute the resolved positions for all the synthetic arguments
- */
-final public void computeSyntheticArgumentsOffset() {
-
- int position = 1; // inside constructor, reserve room for receiver
-
- // insert enclosing instances first, followed by the outerLocals
- SyntheticArgumentBinding[] enclosingInstances = this.syntheticEnclosingInstances();
- int enclosingInstancesCount = enclosingInstances == null ? 0 : enclosingInstances.length;
- for (int i = 0; i < enclosingInstancesCount; i++){
- SyntheticArgumentBinding syntheticArg = enclosingInstances[i];
- syntheticArg.resolvedPosition = position;
- if ((syntheticArg.type == LongBinding) || (syntheticArg.type == DoubleBinding)){
- position += 2;
- } else {
- position ++;
- }
+ if (synthLocal.matchingField == null)
+ synthLocal.matchingField = addSyntheticField(enclosingType);
+ return synthLocal;
}
- SyntheticArgumentBinding[] outerLocals = this.syntheticOuterLocalVariables();
- int outerLocalsCount = outerLocals == null ? 0 : outerLocals.length;
- for (int i = 0; i < outerLocalsCount; i++){
- SyntheticArgumentBinding syntheticArg = outerLocals[i];
- syntheticArg.resolvedPosition = position;
- if ((syntheticArg.type == LongBinding) || (syntheticArg.type == DoubleBinding)){
- position += 2;
- } else {
- position ++;
+
+ /**
+ * Compute the resolved positions for all the synthetic arguments
+ */
+ final public void computeSyntheticArgumentSlotSizes() {
+
+ int slotSize = 0;
+ // insert enclosing instances first, followed by the outerLocals
+ SyntheticArgumentBinding[] enclosingInstances = this
+ .syntheticEnclosingInstances();
+ int enclosingInstancesCount = enclosingInstances == null ? 0
+ : enclosingInstances.length;
+ for (int i = 0; i < enclosingInstancesCount; i++) {
+ SyntheticArgumentBinding argument = enclosingInstances[i];
+ // position the enclosing instance synthetic arg
+ argument.resolvedPosition = slotSize + 1; // shift by 1 to leave
+ // room for aload0==this
+ if (slotSize + 1 > 0xFF) { // no more than 255 words of arguments
+ this.scope.problemReporter().noMoreAvailableSpaceForArgument(
+ argument, this.scope.referenceType());
+ }
+ if ((argument.type == LongBinding)
+ || (argument.type == DoubleBinding)) {
+ slotSize += 2;
+ } else {
+ slotSize++;
+ }
+ }
+ this.enclosingInstancesSlotSize = slotSize;
+
+ slotSize = 0; // reset, outer local are not positionned yet, since
+ // will be appended to user arguments
+ SyntheticArgumentBinding[] outerLocals = this
+ .syntheticOuterLocalVariables();
+ int outerLocalsCount = outerLocals == null ? 0 : outerLocals.length;
+ for (int i = 0; i < outerLocalsCount; i++) {
+ SyntheticArgumentBinding argument = outerLocals[i];
+ // do NOT position the outerlocal synthetic arg yet, since will be
+ // appended to user arguments
+ if ((argument.type == LongBinding)
+ || (argument.type == DoubleBinding)) {
+ slotSize += 2;
+ } else {
+ slotSize++;
+ }
}
+ this.outerLocalVariablesSlotSize = slotSize;
}
- this.syntheticArgumentsOffset = position;
-}
-/* Answer the receiver's enclosing type... null if the receiver is a top level type.
-*/
-public ReferenceBinding enclosingType() {
- return enclosingType;
-}
-/* Answer the synthetic argument for <actualOuterLocalVariable> or null if one does not exist.
-*/
+ /*
+ * Answer the receiver's enclosing type... null if the receiver is a top
+ * level type.
+ */
+ public ReferenceBinding enclosingType() {
+
+ return enclosingType;
+ }
-public SyntheticArgumentBinding getSyntheticArgument(LocalVariableBinding actualOuterLocalVariable) {
- if (outerLocalVariables == null) return null; // is null if no outer local variables are known
+ /*
+ * Answer the synthetic argument for <actualOuterLocalVariable> or null if
+ * one does not exist.
+ */
+ public SyntheticArgumentBinding getSyntheticArgument(
+ LocalVariableBinding actualOuterLocalVariable) {
- for (int i = outerLocalVariables.length; --i >= 0;)
- if (outerLocalVariables[i].actualOuterLocalVariable == actualOuterLocalVariable)
- return outerLocalVariables[i];
- return null;
-}
-public SyntheticArgumentBinding[] syntheticEnclosingInstances() {
- return enclosingInstances; // is null if no enclosing instances are required
-}
-public ReferenceBinding[] syntheticEnclosingInstanceTypes() {
- if (enclosingInstances == null)
+ if (outerLocalVariables == null)
+ return null; // is null if no outer local variables are known
+
+ for (int i = outerLocalVariables.length; --i >= 0;)
+ if (outerLocalVariables[i].actualOuterLocalVariable == actualOuterLocalVariable)
+ return outerLocalVariables[i];
return null;
+ }
- int length = enclosingInstances.length;
- ReferenceBinding types[] = new ReferenceBinding[length];
- for (int i = 0; i < length; i++)
- types[i] = (ReferenceBinding) enclosingInstances[i].type;
- return types;
-}
-public SyntheticArgumentBinding[] syntheticOuterLocalVariables() {
- return outerLocalVariables; // is null if no enclosing instances are required
-}
-/*
- * Trigger the dependency mechanism forcing the innerclass emulation
- * to be propagated to all dependent source types.
- */
-public void updateInnerEmulationDependents() {
- // nothing to do in general, only local types are doing anything
-}
+ public SyntheticArgumentBinding[] syntheticEnclosingInstances() {
+ return enclosingInstances; // is null if no enclosing instances are
+ // required
+ }
+
+ public ReferenceBinding[] syntheticEnclosingInstanceTypes() {
+ if (enclosingInstances == null)
+ return null;
+
+ int length = enclosingInstances.length;
+ ReferenceBinding types[] = new ReferenceBinding[length];
+ for (int i = 0; i < length; i++)
+ types[i] = (ReferenceBinding) enclosingInstances[i].type;
+ return types;
+ }
+
+ public SyntheticArgumentBinding[] syntheticOuterLocalVariables() {
+
+ return outerLocalVariables; // is null if no outer locals are required
+ }
-/* Answer the synthetic argument for <targetEnclosingType> or null if one does not exist.
-*/
+ /*
+ * Trigger the dependency mechanism forcing the innerclass emulation to be
+ * propagated to all dependent source types.
+ */
+ public void updateInnerEmulationDependents() {
+ // nothing to do in general, only local types are doing anything
+ }
-public SyntheticArgumentBinding getSyntheticArgument(ReferenceBinding targetEnclosingType, BlockScope scope, boolean onlyExactMatch) {
- if (enclosingInstances == null) return null; // is null if no enclosing instances are known
+ /*
+ * Answer the synthetic argument for <targetEnclosingType> or null if one
+ * does not exist.
+ */
+ public SyntheticArgumentBinding getSyntheticArgument(
+ ReferenceBinding targetEnclosingType, boolean onlyExactMatch) {
- // exact match
- for (int i = enclosingInstances.length; --i >= 0;)
- if (enclosingInstances[i].type == targetEnclosingType)
- if (enclosingInstances[i].actualOuterLocalVariable == null)
- return enclosingInstances[i];
+ if (enclosingInstances == null)
+ return null; // is null if no enclosing instances are known
- // type compatibility : to handle cases such as
- // class T { class M{}}
- // class S extends T { class N extends M {}} --> need to use S as a default enclosing instance for the super constructor call in N().
- if (!onlyExactMatch){
+ // exact match
for (int i = enclosingInstances.length; --i >= 0;)
- if (enclosingInstances[i].actualOuterLocalVariable == null)
- if (targetEnclosingType.isSuperclassOf((ReferenceBinding) enclosingInstances[i].type))
+ if (enclosingInstances[i].type == targetEnclosingType)
+ if (enclosingInstances[i].actualOuterLocalVariable == null)
return enclosingInstances[i];
+
+ // type compatibility : to handle cases such as
+ // class T { class M{}}
+ // class S extends T { class N extends M {}} --> need to use S as a
+ // default enclosing instance for the super constructor call in N().
+ if (!onlyExactMatch) {
+ for (int i = enclosingInstances.length; --i >= 0;)
+ if (enclosingInstances[i].actualOuterLocalVariable == null)
+ if (targetEnclosingType
+ .isSuperclassOf((ReferenceBinding) enclosingInstances[i].type))
+ return enclosingInstances[i];
+ }
+ return null;
}
- return null;
-}
}
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