/**
* 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.VariableResolver;
import org.mvel2.integration.VariableResolverFactory;
import org.mvel2.math.MathProcessor;
import org.mvel2.util.ParseTools;
import static org.mvel2.MVEL.eval;
import static org.mvel2.util.ParseTools.subCompileExpression;
public class OperativeAssign extends ASTNode {
private String varName;
private ExecutableStatement statement;
private final int operation;
private int knownInType = -1;
public OperativeAssign(String variableName, char[] expr, int start, int offset, int operation, int fields, ParserContext pCtx) {
this.varName = variableName;
this.operation = operation;
this.expr = expr;
this.start = start;
this.offset = offset;
if ((fields & COMPILE_IMMEDIATE) != 0) {
egressType = (statement = (ExecutableStatement) subCompileExpression(expr, start, offset, pCtx)).getKnownEgressType();
if (pCtx.isStrongTyping()) {
knownInType = ParseTools.__resolveType(egressType);
}
if (!pCtx.hasVarOrInput(varName)) {
pCtx.addInput(varName, egressType);
}
}
}
public Object getReducedValueAccelerated(Object ctx, Object thisValue, VariableResolverFactory factory) {
VariableResolver resolver = factory.getVariableResolver(varName);
resolver.setValue(ctx = MathProcessor.doOperations(resolver.getValue(), operation, knownInType, statement.getValue(ctx, thisValue, factory)));
return ctx;
}
public Object getReducedValue(Object ctx, Object thisValue, VariableResolverFactory factory) {
VariableResolver resolver = factory.getVariableResolver(varName);
resolver.setValue(ctx = MathProcessor.doOperations(resolver.getValue(), operation, eval(expr, start, offset, ctx, factory)));
return ctx;
}
}