/**
* MVEL 2.0
* Copyright (C) 2007 The Codehaus
* Mike Brock, Dhanji Prasanna, John Graham, Mark Proctor
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.mvel2.ast;
import org.mvel2.ParserContext;
import org.mvel2.compiler.ExecutableStatement;
import org.mvel2.integration.VariableResolverFactory;
import org.mvel2.integration.impl.MapVariableResolverFactory;
import java.util.HashMap;
import static org.mvel2.util.CompilerTools.expectType;
import static org.mvel2.util.ParseTools.subCompileExpression;
/**
* @author Christopher Brock
*/
public class DoUntilNode extends BlockNode {
protected String item;
protected ExecutableStatement condition;
public DoUntilNode(char[] expr, int start, int offset, int blockStart, int blockOffset, ParserContext pCtx) {
super(pCtx);
this.expr = expr;
this.start = start;
this.offset = offset;
expectType(this.condition = (ExecutableStatement) subCompileExpression(expr, start, offset, pCtx),
Boolean.class, ((fields & COMPILE_IMMEDIATE) != 0));
if (pCtx != null) {
pCtx.pushVariableScope();
}
this.compiledBlock = (ExecutableStatement) subCompileExpression(expr, blockStart, blockOffset, pCtx);
if (pCtx != null) {
pCtx.popVariableScope();
}
}
public Object getReducedValueAccelerated(Object ctx, Object thisValue, VariableResolverFactory factory) {
VariableResolverFactory lc = new MapVariableResolverFactory(new HashMap(0), factory);
do {
compiledBlock.getValue(ctx, thisValue, lc);
}
while (!(Boolean) condition.getValue(ctx, thisValue, lc));
return null;
}
public Object getReducedValue(Object ctx, Object thisValue, VariableResolverFactory factory) {
VariableResolverFactory lc = new MapVariableResolverFactory(new HashMap(0), factory);
do {
compiledBlock.getValue(ctx, thisValue, lc);
}
while (!(Boolean) condition.getValue(ctx, thisValue, lc));
return null;
}
}