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/*
 * 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.parser.ast.inst.HintInst;
import net.hasor.dataql.parser.ast.token.StringToken;
import net.hasor.dataql.parser.ast.value.PrimitiveVariable;

/**
 * 查询选项
 * @author 赵永春 ([email protected])
 * @version : 2017-03-23
 */
public class HintInstCompiler implements InstCompiler {
    @Override
    public void doCompiler(HintInst astInst, InstQueue queue, CompilerContext compilerContext) {
        StringToken instHint = astInst.getHint();
        instLocation(queue, instHint);
        queue.inst(LDC_S, instHint.getValue());
        //
        PrimitiveVariable hintValue = astInst.getValue();
        compilerContext.findInstCompilerByInst(hintValue).doCompiler(queue);
        //
        instLocation(queue, astInst);
        queue.inst(HINT);
    }
}