/*******************************************************************************
- * 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 {
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;
/**
* 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) {
}
public void traverse(
- IAbstractSyntaxTreeVisitor visitor,
+ ASTVisitor visitor,
BlockScope blockScope) {
if (visitor.visit(this, blockScope)) {
}
}
-}
\ No newline at end of file
+}