net.hasor.dataql.compiler.cc.UnaryExprInstCompiler Maven / Gradle / Ivy
/*
* Copyright 2008-2009 the original author or authors.
*
* 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 net.hasor.dataql.compiler.cc;
import net.hasor.dataql.compiler.qil.CompilerContext;
import net.hasor.dataql.compiler.qil.InstCompiler;
import net.hasor.dataql.compiler.qil.InstQueue;
import net.hasor.dataql.compiler.qil.Opcodes;
import net.hasor.dataql.parser.ast.expr.UnaryExpression;
import net.hasor.dataql.parser.ast.token.SymbolToken;
/**
* 一元运算表达式
* @author 赵永春 ([email protected])
* @version : 2017-03-23
*/
public class UnaryExprInstCompiler implements InstCompiler {
@Override
public void doCompiler(UnaryExpression astInst, InstQueue queue, CompilerContext compilerContext) {
compilerContext.findInstCompilerByInst(astInst.getTarget()).doCompiler(queue);
//
SymbolToken dyadicSymbol = astInst.getDyadicSymbol();
this.instLocation(queue, dyadicSymbol);
queue.inst(Opcodes.UO, dyadicSymbol.getSymbol());
}
}