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    
017    package org.jetbrains.jet.codegen;
018    
019    import org.jetbrains.annotations.NotNull;
020    import org.jetbrains.asm4.Type;
021    import org.jetbrains.jet.lang.descriptors.ValueParameterDescriptor;
022    import org.jetbrains.jet.lang.psi.JetExpression;
023    import org.jetbrains.jet.lang.resolve.calls.model.ResolvedCall;
024    
025    public interface CallGenerator {
026    
027        public class DefaultCallGenerator implements CallGenerator {
028    
029            private ExpressionCodegen codegen;
030    
031            public DefaultCallGenerator(ExpressionCodegen codegen) {
032                this.codegen = codegen;
033            }
034    
035            @Override
036            public void genCall(
037                    CallableMethod callableMethod,
038                    ResolvedCall<?> resolvedCall, int mask,
039                    ExpressionCodegen codegen
040            ) {
041                if (mask == 0) {
042                    callableMethod.invokeWithNotNullAssertion(codegen.v, codegen.getState(), resolvedCall);
043                }
044                else {
045                    callableMethod.invokeDefaultWithNotNullAssertion(codegen.v, codegen.getState(), resolvedCall, mask);
046                }
047            }
048    
049            @Override
050            public void afterParameterPut(Type type, StackValue stackValue, ValueParameterDescriptor valueParameterDescriptor) {
051    
052            }
053    
054            @Override
055            public void putHiddenParams() {
056    
057            }
058    
059            @Override
060            public void genValueAndPut(
061                    @NotNull ValueParameterDescriptor valueParameterDescriptor,
062                    @NotNull JetExpression argumentExpression,
063                    @NotNull Type parameterType
064            ) {
065                StackValue value = codegen.gen(argumentExpression);
066                value.put(parameterType, codegen.v);
067            }
068    
069            @Override
070            public void putCapturedValueOnStack(
071                    @NotNull StackValue stackValue, @NotNull Type valueType, int paramIndex
072            ) {
073                stackValue.put(stackValue.type, codegen.v);
074            }
075        };
076    
077        void genCall(CallableMethod callableMethod, ResolvedCall<?> resolvedCall, int mask, ExpressionCodegen codegen);
078    
079        void afterParameterPut(Type type, StackValue stackValue, ValueParameterDescriptor valueParameterDescriptor);
080    
081        void genValueAndPut(
082                @NotNull ValueParameterDescriptor valueParameterDescriptor,
083                @NotNull JetExpression argumentExpression,
084                @NotNull Type parameterType
085        );
086    
087        void putCapturedValueOnStack(
088                @NotNull StackValue stackValue,
089                @NotNull Type valueType, int paramIndex
090        );
091    
092        void putHiddenParams();
093    }