001: /*******************************************************************************
002: * Copyright (c) 2000, 2007 IBM Corporation and others.
003: * All rights reserved. This program and the accompanying materials
004: * are made available under the terms of the Eclipse Public License v1.0
005: * which accompanies this distribution, and is available at
006: * http://www.eclipse.org/legal/epl-v10.html
007: *
008: * Contributors:
009: * IBM Corporation - initial API and implementation
010: *******************************************************************************/package org.eclipse.jdt.internal.codeassist.complete;
011:
012: /*
013: * Completion node build by the parser in any case it was intending to
014: * reduce a type reference containing the completion identifier as part
015: * of a qualified name.
016: * e.g.
017: *
018: * class X extends java.lang.Obj[cursor]
019: *
020: * ---> class X extends <CompleteOnType:java.lang.Obj>
021: *
022: * The source range of the completion node denotes the source range
023: * which should be replaced by the completion.
024: */
025:
026: import org.eclipse.jdt.internal.compiler.ast.*;
027: import org.eclipse.jdt.internal.compiler.lookup.*;
028:
029: public class CompletionOnQualifiedTypeReference extends
030: QualifiedTypeReference {
031: public static final int K_TYPE = 0;
032: public static final int K_CLASS = 1;
033: public static final int K_INTERFACE = 2;
034: public static final int K_EXCEPTION = 3;
035:
036: private int kind = K_TYPE;
037: public char[] completionIdentifier;
038:
039: public CompletionOnQualifiedTypeReference(
040: char[][] previousIdentifiers, char[] completionIdentifier,
041: long[] positions) {
042: this (previousIdentifiers, completionIdentifier, positions,
043: K_TYPE);
044: }
045:
046: public CompletionOnQualifiedTypeReference(
047: char[][] previousIdentifiers, char[] completionIdentifier,
048: long[] positions, int kind) {
049: super (previousIdentifiers, positions);
050: this .completionIdentifier = completionIdentifier;
051: this .kind = kind;
052: }
053:
054: public void aboutToResolve(Scope scope) {
055: getTypeBinding(scope);
056: }
057:
058: /*
059: * No expansion of the completion reference into an array one
060: */
061: public TypeReference copyDims(int dim) {
062: return this ;
063: }
064:
065: protected TypeBinding getTypeBinding(Scope scope) {
066: // it can be a package, type or member type
067: Binding binding = scope.parent.getTypeOrPackage(tokens); // step up from the ClassScope
068: if (!binding.isValidBinding()) {
069: scope.problemReporter().invalidType(this ,
070: (TypeBinding) binding);
071: throw new CompletionNodeFound();
072: }
073:
074: throw new CompletionNodeFound(this , binding, scope);
075: }
076:
077: public boolean isClass() {
078: return this .kind == K_CLASS;
079: }
080:
081: public boolean isInterface() {
082: return this .kind == K_INTERFACE;
083: }
084:
085: public boolean isException() {
086: return this .kind == K_EXCEPTION;
087: }
088:
089: public boolean isSuperType() {
090: return this .kind == K_CLASS || this .kind == K_INTERFACE;
091: }
092:
093: public StringBuffer printExpression(int indent, StringBuffer output) {
094: switch (this .kind) {
095: case K_CLASS:
096: output.append("<CompleteOnClass:");//$NON-NLS-1$
097: break;
098: case K_INTERFACE:
099: output.append("<CompleteOnInterface:");//$NON-NLS-1$
100: break;
101: case K_EXCEPTION:
102: output.append("<CompleteOnException:");//$NON-NLS-1$
103: break;
104: default:
105: output.append("<CompleteOnType:");//$NON-NLS-1$
106: break;
107: }
108: for (int i = 0; i < tokens.length; i++) {
109: output.append(tokens[i]);
110: output.append('.');
111: }
112: output.append(completionIdentifier).append('>');
113: return output;
114: }
115: }
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