import net.sourceforge.phpdt.internal.compiler.lookup.BlockScope;
public class BreakStatement extends BranchStatement {
-
+
public BreakStatement(Expression expr, int sourceStart, int e) {
super(expr, sourceStart, e);
}
- public FlowInfo analyseCode(
- BlockScope currentScope,
- FlowContext flowContext,
- FlowInfo flowInfo) {
+ public FlowInfo analyseCode(BlockScope currentScope,
+ FlowContext flowContext, FlowInfo flowInfo) {
- // here requires to generate a sequence of finally blocks invocations depending corresponding
- // to each of the traversed try statements, so that execution will terminate properly.
+ // here requires to generate a sequence of finally blocks invocations
+ // depending corresponding
+ // to each of the traversed try statements, so that execution will
+ // terminate properly.
// lookup the label, this should answer the returnContext
-// FlowContext targetContext = (label == null)
-// ? flowContext.getTargetContextForDefaultBreak()
-// : flowContext.getTargetContextForBreakLabel(label);
-//
-// if (targetContext == null) {
-// if (label == null) {
-// currentScope.problemReporter().invalidBreak(this);
-// } else {
-// currentScope.problemReporter().undefinedLabel(this);
-// }
-// return flowInfo; // pretend it did not break since no actual target
-// }
-//
-// targetLabel = targetContext.breakLabel();
-// FlowContext traversedContext = flowContext;
-// int subIndex = 0, maxSub = 5;
-// subroutines = new ASTNode[maxSub];
-//
-// do {
-// ASTNode sub;
-// if ((sub = traversedContext.subRoutine()) != null) {
-// if (subIndex == maxSub) {
-// System.arraycopy(subroutines, 0, (subroutines = new ASTNode[maxSub*=2]), 0, subIndex); // grow
-// }
-// subroutines[subIndex++] = sub;
-// if (sub.cannotReturn()) {
-// break;
-// }
-// }
-// traversedContext.recordReturnFrom(flowInfo.unconditionalInits());
-//
-// ASTNode node;
-// if ((node = traversedContext.associatedNode) instanceof TryStatement) {
-// TryStatement tryStatement = (TryStatement) node;
-// flowInfo.addInitializationsFrom(tryStatement.subRoutineInits); // collect inits
-// } else if (traversedContext == targetContext) {
-// // only record break info once accumulated through subroutines, and only against target context
-// targetContext.recordBreakFrom(flowInfo);
-// break;
-// }
-// } while ((traversedContext = traversedContext.parent) != null);
-//
-// // resize subroutines
-// if (subIndex != maxSub) {
-// System.arraycopy(subroutines, 0, (subroutines = new ASTNode[subIndex]), 0, subIndex);
-// }
+ // FlowContext targetContext = (label == null)
+ // ? flowContext.getTargetContextForDefaultBreak()
+ // : flowContext.getTargetContextForBreakLabel(label);
+ //
+ // if (targetContext == null) {
+ // if (label == null) {
+ // currentScope.problemReporter().invalidBreak(this);
+ // } else {
+ // currentScope.problemReporter().undefinedLabel(this);
+ // }
+ // return flowInfo; // pretend it did not break since no actual target
+ // }
+ //
+ // targetLabel = targetContext.breakLabel();
+ // FlowContext traversedContext = flowContext;
+ // int subIndex = 0, maxSub = 5;
+ // subroutines = new ASTNode[maxSub];
+ //
+ // do {
+ // ASTNode sub;
+ // if ((sub = traversedContext.subRoutine()) != null) {
+ // if (subIndex == maxSub) {
+ // System.arraycopy(subroutines, 0, (subroutines = new
+ // ASTNode[maxSub*=2]), 0, subIndex); // grow
+ // }
+ // subroutines[subIndex++] = sub;
+ // if (sub.cannotReturn()) {
+ // break;
+ // }
+ // }
+ // traversedContext.recordReturnFrom(flowInfo.unconditionalInits());
+ //
+ // ASTNode node;
+ // if ((node = traversedContext.associatedNode) instanceof TryStatement)
+ // {
+ // TryStatement tryStatement = (TryStatement) node;
+ // flowInfo.addInitializationsFrom(tryStatement.subRoutineInits); //
+ // collect inits
+ // } else if (traversedContext == targetContext) {
+ // // only record break info once accumulated through subroutines, and
+ // only against target context
+ // targetContext.recordBreakFrom(flowInfo);
+ // break;
+ // }
+ // } while ((traversedContext = traversedContext.parent) != null);
+ //
+ // // resize subroutines
+ // if (subIndex != maxSub) {
+ // System.arraycopy(subroutines, 0, (subroutines = new
+ // ASTNode[subIndex]), 0, subIndex);
+ // }
return FlowInfo.DEAD_END;
}
-
+
public String toString(int tab) {
String s = tabString(tab);
s += expression.toString();
return s;
}
+
public StringBuffer printStatement(int tab, StringBuffer output) {
printIndent(tab, output).append("break "); //$NON-NLS-1$
- if (expression != null) output.append(expression);
+ if (expression != null)
+ output.append(expression);
return output.append(';');
}
- public void traverse(
- IAbstractSyntaxTreeVisitor visitor,
- BlockScope blockscope) {
+
+ public void traverse(IAbstractSyntaxTreeVisitor visitor,
+ BlockScope blockscope) {
visitor.visit(this, blockscope);
visitor.endVisit(this, blockscope);