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;
018
019import com.intellij.openapi.util.Pair;
020import com.intellij.util.containers.MultiMap;
021import org.jetbrains.annotations.NotNull;
022import org.jetbrains.jet.codegen.state.GenerationState;
023import org.jetbrains.jet.lang.descriptors.ScriptDescriptor;
024import org.jetbrains.jet.lang.psi.JetFile;
025import org.jetbrains.jet.lang.psi.JetPsiUtil;
026import org.jetbrains.jet.lang.psi.JetScript;
027import org.jetbrains.jet.lang.resolve.ScriptNameUtil;
028import org.jetbrains.jet.lang.resolve.java.JvmClassName;
029import org.jetbrains.jet.lang.resolve.name.FqName;
030
031import java.util.Collection;
032import java.util.Collections;
033import java.util.Map;
034
035import static org.jetbrains.jet.codegen.binding.CodegenBinding.registerClassNameForScript;
036
037public class KotlinCodegenFacade {
038    public static void compileCorrectFiles(
039            @NotNull GenerationState state,
040            @NotNull CompilationErrorHandler errorHandler
041    ) {
042        for (JetFile file : state.getFiles()) {
043            if (file.isScript()) {
044                String name = ScriptNameUtil.classNameForScript(file);
045                JetScript script = file.getScript();
046                assert script != null;
047                registerClassNameForScript(state.getBindingTrace(), script, JvmClassName.byInternalName(name));
048            }
049        }
050
051        state.getScriptCodegen().registerEarlierScripts(Collections.<Pair<ScriptDescriptor, JvmClassName>>emptyList());
052
053        state.beforeCompile();
054
055        MultiMap<FqName, JetFile> namespaceGrouping = new MultiMap<FqName, JetFile>();
056        for (JetFile file : state.getFiles()) {
057            if (file == null) throw new IllegalArgumentException("A null file given for compilation");
058            namespaceGrouping.putValue(JetPsiUtil.getFQName(file), file);
059        }
060
061        for (Map.Entry<FqName, Collection<JetFile>> entry : namespaceGrouping.entrySet()) {
062            generateNamespace(state, entry.getKey(), entry.getValue(), errorHandler);
063        }
064    }
065
066    public static void generateNamespace(
067            @NotNull GenerationState state,
068            @NotNull FqName fqName,
069            @NotNull Collection<JetFile> jetFiles,
070            @NotNull CompilationErrorHandler errorHandler
071    ) {
072            NamespaceCodegen codegen = state.getFactory().forNamespace(fqName, jetFiles);
073            codegen.generate(errorHandler);
074    }
075
076    private KotlinCodegenFacade() {}
077}