001/*
002 * Copyright 2010-2013 JetBrains s.r.o.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.jetbrains.jet.codegen.intrinsics;
018
019import com.intellij.psi.PsiElement;
020import org.jetbrains.annotations.NotNull;
021import org.jetbrains.asm4.Type;
022import org.jetbrains.asm4.commons.InstructionAdapter;
023import org.jetbrains.jet.codegen.ExpressionCodegen;
024import org.jetbrains.jet.codegen.StackValue;
025import org.jetbrains.jet.codegen.state.GenerationState;
026import org.jetbrains.jet.lang.psi.JetExpression;
027
028import java.util.List;
029
030public class Not implements IntrinsicMethod {
031    @Override
032    public StackValue generate(
033            ExpressionCodegen codegen,
034            InstructionAdapter v,
035            @NotNull Type expectedType,
036            PsiElement element,
037            List<JetExpression> arguments,
038            StackValue receiver,
039            @NotNull GenerationState state
040    ) {
041        StackValue stackValue;
042        if (arguments.size() == 1) {
043            stackValue = codegen.gen(arguments.get(0));
044        }
045        else {
046            stackValue = receiver;
047        }
048        stackValue.put(Type.BOOLEAN_TYPE, v);
049        return StackValue.not(StackValue.onStack(Type.BOOLEAN_TYPE));
050    }
051}