001 /*
002 * Copyright 2010-2015 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.codegen;
018
019 import com.google.common.collect.Lists;
020 import com.intellij.openapi.vfs.VirtualFile;
021 import com.intellij.psi.PsiFile;
022 import com.intellij.util.Function;
023 import com.intellij.util.containers.ContainerUtil;
024 import org.jetbrains.annotations.NotNull;
025 import org.jetbrains.annotations.Nullable;
026 import org.jetbrains.annotations.TestOnly;
027 import org.jetbrains.kotlin.codegen.state.GenerationState;
028 import org.jetbrains.kotlin.psi.JetFile;
029 import org.jetbrains.kotlin.resolve.jvm.diagnostics.JvmDeclarationOrigin;
030 import org.jetbrains.kotlin.name.FqName;
031 import org.jetbrains.kotlin.backend.common.output.OutputFile;
032 import org.jetbrains.kotlin.backend.common.output.OutputFileCollection;
033 import org.jetbrains.org.objectweb.asm.Type;
034
035 import java.io.File;
036 import java.util.*;
037
038 public class ClassFileFactory implements OutputFileCollection {
039 private final GenerationState state;
040 private final ClassBuilderFactory builderFactory;
041 private final Map<FqName, PackageCodegen> package2codegen = new HashMap<FqName, PackageCodegen>();
042 private final Map<String, ClassBuilderAndSourceFileList> generators = new LinkedHashMap<String, ClassBuilderAndSourceFileList>();
043
044 private boolean isDone = false;
045
046 public ClassFileFactory(@NotNull GenerationState state, @NotNull ClassBuilderFactory builderFactory) {
047 this.state = state;
048 this.builderFactory = builderFactory;
049 }
050
051 @NotNull
052 public ClassBuilder newVisitor(
053 @NotNull JvmDeclarationOrigin origin,
054 @NotNull Type asmType,
055 @NotNull PsiFile sourceFile) {
056 return newVisitor(origin, asmType, Collections.singletonList(sourceFile));
057 }
058
059 @NotNull
060 public ClassBuilder newVisitor(
061 @NotNull JvmDeclarationOrigin origin,
062 @NotNull Type asmType,
063 @NotNull Collection<? extends PsiFile> sourceFiles) {
064 String outputFilePath = asmType.getInternalName() + ".class";
065 List<File> ioSourceFiles = toIoFilesIgnoringNonPhysical(sourceFiles);
066 state.getProgress().reportOutput(ioSourceFiles, new File(outputFilePath));
067 ClassBuilder answer = builderFactory.newClassBuilder(origin);
068 generators.put(outputFilePath, new ClassBuilderAndSourceFileList(answer, ioSourceFiles));
069 return answer;
070 }
071
072 void done() {
073 if (!isDone) {
074 isDone = true;
075 for (PackageCodegen codegen : package2codegen.values()) {
076 codegen.done();
077 }
078 }
079 }
080
081 @NotNull
082 @Override
083 public List<OutputFile> asList() {
084 done();
085 return ContainerUtil.map(generators.keySet(), new Function<String, OutputFile>() {
086 @Override
087 public OutputFile fun(String relativeClassFilePath) {
088 return new OutputClassFile(relativeClassFilePath);
089 }
090 });
091 }
092
093 @Override
094 @Nullable
095 public OutputFile get(@NotNull String relativePath) {
096 return generators.containsKey(relativePath) ? new OutputClassFile(relativePath) : null;
097 }
098
099 @NotNull
100 @TestOnly
101 public String createText() {
102 StringBuilder answer = new StringBuilder();
103
104 for (OutputFile file : asList()) {
105 answer.append("@").append(file.getRelativePath()).append('\n');
106 answer.append(file.asText());
107 }
108
109 return answer.toString();
110 }
111
112 @NotNull
113 public PackageCodegen forPackage(@NotNull FqName fqName, @NotNull Collection<JetFile> files) {
114 assert !isDone : "Already done!";
115 PackageCodegen codegen = package2codegen.get(fqName);
116 if (codegen == null) {
117 codegen = new PackageCodegen(state, files, fqName);
118 package2codegen.put(fqName, codegen);
119 }
120
121 return codegen;
122 }
123
124 @NotNull
125 private static List<File> toIoFilesIgnoringNonPhysical(@NotNull Collection<? extends PsiFile> psiFiles) {
126 List<File> result = Lists.newArrayList();
127 for (PsiFile psiFile : psiFiles) {
128 VirtualFile virtualFile = psiFile.getVirtualFile();
129 // We ignore non-physical files here, because this code is needed to tell the make what inputs affect which outputs
130 // a non-physical file cannot be processed by make
131 if (virtualFile != null) {
132 result.add(new File(virtualFile.getPath()));
133 }
134 }
135 return result;
136 }
137
138 private class OutputClassFile implements OutputFile {
139 private final String relativeClassFilePath;
140
141 public OutputClassFile(String relativeClassFilePath) {
142 this.relativeClassFilePath = relativeClassFilePath;
143 }
144
145 @NotNull
146 @Override
147 public String getRelativePath() {
148 return relativeClassFilePath;
149 }
150
151 @NotNull
152 @Override
153 public List<File> getSourceFiles() {
154 ClassBuilderAndSourceFileList pair = generators.get(relativeClassFilePath);
155 if (pair == null) {
156 throw new IllegalStateException("No record for binary file " + relativeClassFilePath);
157 }
158
159 return pair.sourceFiles;
160 }
161
162 @NotNull
163 @Override
164 public byte[] asByteArray() {
165 return builderFactory.asBytes(generators.get(relativeClassFilePath).classBuilder);
166 }
167
168 @NotNull
169 @Override
170 public String asText() {
171 return builderFactory.asText(generators.get(relativeClassFilePath).classBuilder);
172 }
173
174 @NotNull
175 @Override
176 public String toString() {
177 return getRelativePath() + " (compiled from " + getSourceFiles() + ")";
178 }
179 }
180
181 private static final class ClassBuilderAndSourceFileList {
182 private final ClassBuilder classBuilder;
183 private final List<File> sourceFiles;
184
185 private ClassBuilderAndSourceFileList(ClassBuilder classBuilder, List<File> sourceFiles) {
186 this.classBuilder = classBuilder;
187 this.sourceFiles = sourceFiles;
188 }
189 }
190
191 public void removeInlinedClasses(Set<String> classNamesToRemove) {
192 for (String classInternalName : classNamesToRemove) {
193 generators.remove(classInternalName + ".class");
194 }
195 }
196 }