Refactored packagename to net.sourceforge.phpdt.internal.compiler.ast
[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpdt / internal / compiler / ast / Block.java
index 2e00658..30a2c2b 100644 (file)
@@ -1,19 +1,20 @@
 /*******************************************************************************
- * 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.ast;
 
-import net.sourceforge.phpdt.internal.compiler.IAbstractSyntaxTreeVisitor;
-import net.sourceforge.phpdt.internal.compiler.codegen.*;
-import net.sourceforge.phpdt.internal.compiler.flow.*;
-import net.sourceforge.phpdt.internal.compiler.lookup.*;
+import net.sourceforge.phpdt.internal.compiler.ASTVisitor;
+import net.sourceforge.phpdt.internal.compiler.codegen.Label;
+import net.sourceforge.phpdt.internal.compiler.flow.FlowContext;
+import net.sourceforge.phpdt.internal.compiler.flow.FlowInfo;
+import net.sourceforge.phpdt.internal.compiler.lookup.BlockScope;
 
 public class Block extends Statement {
        
@@ -33,12 +34,14 @@ public class Block extends Statement {
                FlowInfo flowInfo) {
 
                // empty block
-               if (statements == null)
-                       return flowInfo;
+               if (statements == null) return flowInfo;
+               boolean didAlreadyComplain = false;
                for (int i = 0, max = statements.length; i < max; i++) {
                        Statement stat;
-                       if (!flowInfo.complainIfUnreachable((stat = statements[i]), scope)) {
+                       if (!flowInfo.complainIfUnreachable(stat = statements[i], scope, didAlreadyComplain)) {
                                flowInfo = stat.analyseCode(scope, flowContext, flowInfo);
+                       } else {
+                               didAlreadyComplain = true;
                        }
                }
                return flowInfo;
@@ -56,28 +59,44 @@ public class Block extends Statement {
        /**
         * Code generation for a block
         */
-       public void generateCode(BlockScope currentScope, CodeStream codeStream) {
-
-               if ((bits & IsReachableMASK) == 0) {
-                       return;
-               }
-               int pc = codeStream.position;
-               if (statements != null) {
-                       for (int i = 0, max = statements.length; i < max; i++) {
-                               statements[i].generateCode(scope, codeStream);
-                       }
-               } // for local variable debug attributes
-               if (scope != currentScope) { // was really associated with its own scope
-                       codeStream.exitUserScope(scope);
-               }
-               codeStream.recordPositionsFrom(pc, this.sourceStart);
-       }
+//     public void generateCode(BlockScope currentScope, CodeStream codeStream) {
+//
+//             if ((bits & IsReachableMASK) == 0) {
+//                     return;
+//             }
+//             int pc = codeStream.position;
+//             if (statements != null) {
+//                     for (int i = 0, max = statements.length; i < max; i++) {
+//                             statements[i].generateCode(scope, codeStream);
+//                     }
+//             } // for local variable debug attributes
+//             if (scope != currentScope) { // was really associated with its own scope
+//                     codeStream.exitUserScope(scope);
+//             }
+//             codeStream.recordPositionsFrom(pc, this.sourceStart);
+//     }
 
        public boolean isEmptyBlock() {
 
                return statements == null;
        }
+       public StringBuffer printBody(int indent, StringBuffer output) {
 
+               if (this.statements == null) return output;
+               for (int i = 0; i < statements.length; i++) {
+                       statements[i].printStatement(indent + 1, output);
+                       output.append('\n'); 
+               }
+               return output;
+       }
+
+       public StringBuffer printStatement(int indent, StringBuffer output) {
+
+               printIndent(indent, output);
+               output.append("{\n"); //$NON-NLS-1$
+               printBody(indent, output);
+               return printIndent(indent, output).append('}');
+       }
        public void resolve(BlockScope upperScope) {
 
                if (statements != null) {
@@ -135,7 +154,7 @@ public class Block extends Statement {
        }
 
        public void traverse(
-               IAbstractSyntaxTreeVisitor visitor,
+           ASTVisitor visitor,
                BlockScope blockScope) {
 
                if (visitor.visit(this, blockScope)) {
@@ -157,4 +176,4 @@ public class Block extends Statement {
                 }
        }
        
-}
\ No newline at end of file
+}