JDT codeassist module, nothing changed yet
[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpdt / internal / codeassist / select / SelectionOnQualifiedNameReference.java
diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/codeassist/select/SelectionOnQualifiedNameReference.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/codeassist/select/SelectionOnQualifiedNameReference.java
new file mode 100644 (file)
index 0000000..3fd7a85
--- /dev/null
@@ -0,0 +1,89 @@
+/*******************************************************************************
+ * 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.codeassist.select;
+
+/*
+ * Selection node build by the parser in any case it was intending to
+ * reduce a qualified name reference containing the assist identifier.
+ * e.g.
+ *
+ *     class X {
+ *    Y y;
+ *    void foo() {
+ *      y.fred.[start]ba[end]
+ *    }
+ *  }
+ *
+ *     ---> class X {
+ *         Y y;
+ *         void foo() {
+ *           <SelectOnName:y.fred.ba>
+ *         }
+ *       }
+ *
+ */
+
+import net.sourceforge.phpdt.internal.compiler.ast.QualifiedNameReference;
+import net.sourceforge.phpdt.internal.compiler.lookup.BlockScope;
+import net.sourceforge.phpdt.internal.compiler.lookup.FieldBinding;
+import net.sourceforge.phpdt.internal.compiler.lookup.ProblemFieldBinding;
+import net.sourceforge.phpdt.internal.compiler.lookup.ProblemReasons;
+import net.sourceforge.phpdt.internal.compiler.lookup.ProblemReferenceBinding;
+import net.sourceforge.phpdt.internal.compiler.lookup.TypeBinding;
+import net.sourceforge.phpdt.internal.compiler.util.CharOperation;
+
+public class SelectionOnQualifiedNameReference extends QualifiedNameReference {
+       public long[] sourcePositions; // positions of each token, the last one being the positions of the completion identifier
+public SelectionOnQualifiedNameReference(char[][] previousIdentifiers, char[] selectionIdentifier, long[] positions) {
+       super(
+               CharOperation.arrayConcat(previousIdentifiers, selectionIdentifier),
+               (int) (positions[0] >>> 32),
+               (int) positions[positions.length - 1]);
+       this.sourcePositions = positions;
+}
+public TypeBinding resolveType(BlockScope scope) {
+       // it can be a package, type, member type, local variable or field
+       binding = scope.getBinding(tokens, this);
+       if (!binding.isValidBinding()) {
+               if (binding instanceof ProblemFieldBinding) {
+                       // tolerate some error cases
+                       if (binding.problemId() == ProblemReasons.NotVisible
+                                       || binding.problemId() == ProblemReasons.InheritedNameHidesEnclosingName
+                                       || binding.problemId() == ProblemReasons.NonStaticReferenceInConstructorInvocation
+                                       || binding.problemId() == ProblemReasons.NonStaticReferenceInStaticContext) {
+                               throw new SelectionNodeFound(binding);
+                       }
+                       scope.problemReporter().invalidField(this, (FieldBinding) binding);
+               } else if (binding instanceof ProblemReferenceBinding) {
+                       // tolerate some error cases
+                       if (binding.problemId() == ProblemReasons.NotVisible){
+                               throw new SelectionNodeFound(binding);
+                       }
+                       scope.problemReporter().invalidType(this, (TypeBinding) binding);
+               } else {
+                       scope.problemReporter().unresolvableReference(this, binding);
+               }
+               throw new SelectionNodeFound();
+       }
+       throw new SelectionNodeFound(binding);
+}
+public String toStringExpression() {
+
+       StringBuffer buffer = new StringBuffer("<SelectOnName:"); //$NON-NLS-1$
+       for (int i = 0, length = tokens.length; i < length; i++) {
+               buffer.append(tokens[i]);
+               if (i != length - 1)
+                       buffer.append("."); //$NON-NLS-1$
+       }
+       buffer.append(">"); //$NON-NLS-1$
+       return buffer.toString();
+}
+}