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 com.intellij.util.containers.MultiMap;
020    import org.jetbrains.annotations.NotNull;
021    import org.jetbrains.asm4.Type;
022    import org.jetbrains.jet.codegen.state.GenerationState;
023    import org.jetbrains.jet.lang.psi.JetFile;
024    import org.jetbrains.jet.lang.psi.JetPsiUtil;
025    import org.jetbrains.jet.lang.psi.JetScript;
026    import org.jetbrains.jet.lang.resolve.ScriptNameUtil;
027    import org.jetbrains.jet.lang.resolve.name.FqName;
028    
029    import java.util.Collection;
030    import java.util.Map;
031    
032    import static org.jetbrains.jet.codegen.binding.CodegenBinding.registerClassNameForScript;
033    
034    public class KotlinCodegenFacade {
035        public static void compileCorrectFiles(
036                @NotNull GenerationState state,
037                @NotNull CompilationErrorHandler errorHandler
038        ) {
039            for (JetFile file : state.getFiles()) {
040                if (file.isScript()) {
041                    String name = ScriptNameUtil.classNameForScript(file);
042                    JetScript script = file.getScript();
043                    assert script != null;
044                    registerClassNameForScript(state.getBindingTrace(), script, Type.getObjectType(name));
045                }
046            }
047    
048            state.beforeCompile();
049    
050            MultiMap<FqName, JetFile> packageFqNameToFiles = new MultiMap<FqName, JetFile>();
051            for (JetFile file : state.getFiles()) {
052                if (file == null) throw new IllegalArgumentException("A null file given for compilation");
053                packageFqNameToFiles.putValue(JetPsiUtil.getFQName(file), file);
054            }
055    
056            for (Map.Entry<FqName, Collection<JetFile>> entry : packageFqNameToFiles.entrySet()) {
057                generatePackage(state, entry.getKey(), entry.getValue(), errorHandler);
058            }
059    
060            state.getFactory().done();
061        }
062    
063        public static void generatePackage(
064                @NotNull GenerationState state,
065                @NotNull FqName fqName,
066                @NotNull Collection<JetFile> jetFiles,
067                @NotNull CompilationErrorHandler errorHandler
068        ) {
069            PackageCodegen codegen = state.getFactory().forPackage(fqName, jetFiles);
070            codegen.generate(errorHandler);
071        }
072    
073        private KotlinCodegenFacade() {}
074    }