first scanner /parser copied from the jdt java version

[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpdt / internal / compiler / lookup / LocalTypeBinding.java

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/lookup/LocalTypeBinding.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/lookup/LocalTypeBinding.java
new file mode 100644 (file)
index 0000000..681d714
--- /dev/null
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/lookup/LocalTypeBinding.java
@@ -0,0 +1,106 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2001, 2002 International Business Machines Corp. and others.
+ * All rights reserved. This program and the accompanying materials 
+ * are made available under the terms of the Common Public License v0.5 
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v05.html
+ * 
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ ******************************************************************************/
+package net.sourceforge.phpdt.internal.compiler.lookup;
+
+import net.sourceforge.phpdt.internal.compiler.ast.AnonymousLocalTypeDeclaration;
+import net.sourceforge.phpdt.internal.compiler.util.CharOperation;
+import net.sourceforge.phpdt.internal.compiler.util.Util;
+
+public final class LocalTypeBinding extends NestedTypeBinding {
+       final static char[] LocalTypePrefix = { '$', 'L', 'o', 'c', 'a', 'l', '$' };
+
+       private InnerEmulationDependency[] dependents;
+public LocalTypeBinding(ClassScope scope, SourceTypeBinding enclosingType) {
+       super(
+               new char[][] {CharOperation.concat(LocalTypePrefix, scope.referenceContext.name)},
+               scope,
+               enclosingType);
+
+       if (this.sourceName == AnonymousLocalTypeDeclaration.ANONYMOUS_EMPTY_NAME)
+               this.tagBits |= AnonymousTypeMask;
+       else
+               this.tagBits |= LocalTypeMask;
+}
+/* Record a dependency onto a source target type which may be altered
+* by the end of the innerclass emulation. Later on, we will revisit
+* all its dependents so as to update them (see updateInnerEmulationDependents()).
+*/
+
+public void addInnerEmulationDependent(BlockScope scope, boolean wasEnclosingInstanceSupplied, boolean useDirectAccess) {
+       int index;
+       if (dependents == null) {
+               index = 0;
+               dependents = new InnerEmulationDependency[1];
+       } else {
+               index = dependents.length;
+               for (int i = 0; i < index; i++)
+                       if (dependents[i].scope == scope)
+                               return; // already stored
+               System.arraycopy(dependents, 0, (dependents = new InnerEmulationDependency[index + 1]), 0, index);
+       }
+       dependents[index] = new InnerEmulationDependency(scope, wasEnclosingInstanceSupplied, useDirectAccess);
+       //  System.out.println("Adding dependency: "+ new String(scope.enclosingType().readableName()) + " --> " + new String(this.readableName()));
+}
+/* Answer the receiver's constant pool name.
+*
+* NOTE: This method should only be used during/after code gen.
+*/
+
+public char[] constantPoolName() /* java/lang/Object */ {
+       return constantPoolName;
+}
+public void constantPoolName(char[] computedConstantPoolName) /* java/lang/Object */ {
+       this.constantPoolName = computedConstantPoolName;
+}
+public char[] readableName() {
+       if (isAnonymousType()) {
+               if (superInterfaces == NoSuperInterfaces)
+                       return ("<"+Util.bind("binding.subclass",new String(superclass.readableName())) + ">").toCharArray(); //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-1$
+               else
+                       return ("<"+Util.bind("binding.implementation",new String(superInterfaces[0].readableName())) + ">").toCharArray();                      //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-1$
+       } else if (isMemberType()) {
+               return CharOperation.concat(enclosingType().readableName(), sourceName, '.');
+       } else {
+               return sourceName;
+       }
+}
+// Record that the type is a local member type
+
+public void setAsMemberType() {
+       tagBits |= MemberTypeMask;
+}
+public char[] sourceName() {
+       if (isAnonymousType())
+               return readableName();
+       else
+               return sourceName;
+}
+public String toString() {
+       if (isAnonymousType())
+               return "Anonymous type : " + super.toString(); //$NON-NLS-1$
+       if (isMemberType())
+               return "Local member type : " + new String(sourceName()) + " " + super.toString(); //$NON-NLS-2$ //$NON-NLS-1$
+       return "Local type : " + new String(sourceName()) + " " + super.toString(); //$NON-NLS-2$ //$NON-NLS-1$
+}
+/* Trigger the dependency mechanism forcing the innerclass emulation
+* to be propagated to all dependent source types.
+*/
+
+public void updateInnerEmulationDependents() {
+       if (dependents != null) {
+               for (int i = 0; i < dependents.length; i++) {
+                       InnerEmulationDependency dependency = dependents[i];
+                       // System.out.println("Updating " + new String(this.readableName()) + " --> " + new String(dependency.scope.enclosingType().readableName()));
+                       dependency.scope.propagateInnerEmulation(this, dependency.wasEnclosingInstanceSupplied, dependency.useDirectAccess);
+               }
+       }
+}
+}