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.k2js.translate.intrinsic.functions.factories;
018    
019    import com.google.dart.compiler.backend.js.ast.JsExpression;
020    import com.google.dart.compiler.backend.js.ast.JsNameRef;
021    import org.jetbrains.annotations.NotNull;
022    import org.jetbrains.annotations.Nullable;
023    import org.jetbrains.k2js.translate.context.TranslationContext;
024    import org.jetbrains.k2js.translate.intrinsic.functions.basic.BuiltInFunctionIntrinsic;
025    import org.jetbrains.k2js.translate.intrinsic.functions.basic.CallStandardMethodIntrinsic;
026    import org.jetbrains.k2js.translate.intrinsic.functions.basic.FunctionIntrinsic;
027    import org.jetbrains.k2js.translate.intrinsic.functions.patterns.NamePredicate;
028    
029    import java.util.List;
030    
031    import static org.jetbrains.k2js.translate.intrinsic.functions.patterns.PatternBuilder.pattern;
032    
033    public final class TopLevelFIF extends CompositeFIF {
034        @NotNull
035        public static final CallStandardMethodIntrinsic EQUALS = new CallStandardMethodIntrinsic(new JsNameRef("equals", "Kotlin"), true, 1);
036        @NotNull
037        public static final FunctionIntrinsic RETURN_RECEIVER_INTRINSIC = new FunctionIntrinsic() {
038            @NotNull
039            @Override
040            public JsExpression apply(
041                    @Nullable JsExpression receiver,
042                    @NotNull List<JsExpression> arguments,
043                    @NotNull TranslationContext context
044            ) {
045                assert receiver != null;
046                return receiver;
047            }
048        };
049        @NotNull
050        public static final FunctionIntrinsicFactory INSTANCE = new TopLevelFIF();
051    
052        private TopLevelFIF() {
053            add(pattern("toString"), new BuiltInFunctionIntrinsic("toString"));
054            add(pattern("equals"), EQUALS);
055            add(pattern(NamePredicate.PRIMITIVE_NUMBERS, "equals"), EQUALS);
056            add(pattern("String|Boolean|Char|Number.equals"), EQUALS);
057            add(pattern("arrayOfNulls"), new CallStandardMethodIntrinsic(new JsNameRef("nullArray", "Kotlin"), false, 1));
058            add(pattern("iterator"), RETURN_RECEIVER_INTRINSIC);
059        }
060    }