001    /*
002     * Copyright 2010-2016 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.kotlin.js.translate.intrinsic.functions.factories;
018    
019    import org.jetbrains.annotations.NotNull;
020    import org.jetbrains.annotations.Nullable;
021    import org.jetbrains.kotlin.js.backend.ast.JsExpression;
022    import org.jetbrains.kotlin.js.backend.ast.JsInvocation;
023    import org.jetbrains.kotlin.js.translate.context.Namer;
024    import org.jetbrains.kotlin.js.translate.context.TranslationContext;
025    import org.jetbrains.kotlin.js.translate.intrinsic.functions.basic.FunctionIntrinsicWithReceiverComputed;
026    import org.jetbrains.kotlin.js.translate.utils.JsAstUtils;
027    import org.jetbrains.kotlin.js.translate.utils.TranslationUtils;
028    
029    import java.util.ArrayList;
030    import java.util.List;
031    
032    public class KotlinFunctionIntrinsic extends FunctionIntrinsicWithReceiverComputed {
033        @NotNull
034        private final String functionName;
035        private final JsExpression[] additionalArguments;
036    
037        public KotlinFunctionIntrinsic(@NotNull String functionName, JsExpression... additionalArguments) {
038            this.functionName = functionName;
039            this.additionalArguments = additionalArguments;
040        }
041    
042        @NotNull
043        @Override
044        public JsExpression apply(
045                @Nullable JsExpression receiver,
046                @NotNull List<? extends JsExpression> arguments,
047                @NotNull TranslationContext context
048        ) {
049            JsExpression function = JsAstUtils.pureFqn(functionName, Namer.kotlinObject());
050            if (additionalArguments.length > 0) {
051                List<JsExpression> newArguments = new ArrayList<JsExpression>(arguments);
052                for (JsExpression e : additionalArguments) {
053                    newArguments.add(e.deepCopy());
054                }
055                arguments = newArguments;
056            }
057            return new JsInvocation(function, receiver == null ? arguments : TranslationUtils.generateInvocationArguments(receiver, arguments));
058        }
059    }