net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/BranchStatement.java

   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2003 IBM Corporation and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Common Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/cpl-v10.html
   7  *
   8  * Contributors:
   9  *     IBM Corporation - initial API and implementation
  10  *******************************************************************************/
  11 package net.sourceforge.phpdt.internal.compiler.ast;
  12
  13 import net.sourceforge.phpdt.internal.compiler.codegen.Label;
  14 import net.sourceforge.phpdt.internal.compiler.lookup.BlockScope;
  15
  16 public abstract class BranchStatement extends Statement {
  17     public Expression expression;
  18         public Label targetLabel;
  19         public ASTNode[] subroutines;
  20 /**
  21  * BranchStatement constructor comment.
  22  */
  23 public BranchStatement(Expression expr, int s,int e) {
  24         expression = expr ;
  25         sourceStart = s;
  26         sourceEnd = e;
  27 }
  28 /**
  29  * Branch code generation
  30  *
  31  *   generate the finallyInvocationSequence.
  32  */
  33 //public void generateCode(BlockScope currentScope, CodeStream codeStream) {
  34 //
  35 //      if ((bits & IsReachableMASK) == 0) {
  36 //              return;
  37 //      }
  38 //      int pc = codeStream.position;
  39 //
  40 //      // generation of code responsible for invoking the finally
  41 //      // blocks in sequence
  42 //      if (subroutines != null){
  43 //              for (int i = 0, max = subroutines.length; i < max; i++){
  44 //                      ASTNode sub;
  45 //                      if ((sub = subroutines[i]) instanceof SynchronizedStatement){
  46 //                              codeStream.load(((SynchronizedStatement)sub).synchroVariable);
  47 //                              codeStream.monitorexit();
  48 //                      } else {
  49 //                              TryStatement trySub = (TryStatement) sub;
  50 //                              if (trySub.subRoutineCannotReturn)      {
  51 //                                      codeStream.goto_(trySub.subRoutineStartLabel);
  52 //                                      codeStream.recordPositionsFrom(pc, this.sourceStart);
  53 //                                      return;
  54 //                              } else {
  55 //                                      codeStream.jsr(trySub.subRoutineStartLabel);
  56 //                              }
  57 //                      }
  58 //              }
  59 //      }
  60 //      codeStream.goto_(targetLabel);
  61 //      codeStream.recordPositionsFrom(pc, this.sourceStart);
  62 //}
  63 public void resetStateForCodeGeneration() {
  64         if (this.targetLabel != null) {
  65                 this.targetLabel.resetStateForCodeGeneration();
  66         }
  67 }
  68
  69 public void resolve(BlockScope scope) {
  70 }
  71
  72 }