JDT codeassist module, nothing changed yet

[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpdt / internal / codeassist / select / SelectionOnMessageSend.java

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/codeassist/select/SelectionOnMessageSend.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/codeassist/select/SelectionOnMessageSend.java
new file mode 100644 (file)
index 0000000..70c5128
--- /dev/null
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/codeassist/select/SelectionOnMessageSend.java
@@ -0,0 +1,72 @@
+/*******************************************************************************
+ * 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 message send containing the cursor.
+ * e.g.
+ *
+ *     class X {
+ *    void foo() {
+ *      this.[start]bar[end](1, 2)
+ *    }
+ *  }
+ *
+ *     ---> class X {
+ *         void foo() {
+ *           <SelectOnMessageSend:this.bar(1, 2)>
+ *         }
+ *       }
+ *
+ */
+
+import net.sourceforge.phpdt.internal.compiler.ast.MessageSend;
+import net.sourceforge.phpdt.internal.compiler.ast.ThisReference;
+import net.sourceforge.phpdt.internal.compiler.lookup.BlockScope;
+import net.sourceforge.phpdt.internal.compiler.lookup.ProblemReasons;
+import net.sourceforge.phpdt.internal.compiler.lookup.TypeBinding;
+
+public class SelectionOnMessageSend extends MessageSend {
+
+       public TypeBinding resolveType(BlockScope scope) {
+               super.resolveType(scope);
+
+               // tolerate some error cases
+               if(binding == null ||
+                                       !(binding.isValidBinding() || 
+                                               binding.problemId() == ProblemReasons.NotVisible
+                                               || binding.problemId() == ProblemReasons.InheritedNameHidesEnclosingName
+                                               || binding.problemId() == ProblemReasons.NonStaticReferenceInConstructorInvocation
+                                               || binding.problemId() == ProblemReasons.NonStaticReferenceInStaticContext)) {
+                       throw new SelectionNodeFound();
+               } else {
+                       throw new SelectionNodeFound(binding);
+               }
+       }
+
+       public String toStringExpression() {
+               String s = "<SelectOnMessageSend:"; //$NON-NLS-1$
+               if (receiver != ThisReference.ThisImplicit)
+                       s = s + receiver.toStringExpression() + "."; //$NON-NLS-1$
+               s = s + new String(selector) + "("; //$NON-NLS-1$
+               if (arguments != null) {
+                       for (int i = 0; i < arguments.length; i++) {
+                               s += arguments[i].toStringExpression();
+                               if (i != arguments.length - 1) {
+                                       s += ", "; //$NON-NLS-1$
+                               }
+                       };
+               }
+               s = s + ")>"; //$NON-NLS-1$
+               return s;
+       }
+}
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