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refactored the loading of KDoc and removed the old code to show how to navigate the bindingContext as thats now implemented in KDocSupport

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This commit is contained in:
James Strachan
2012-02-22 14:01:58 +00:00
parent e05d299874
commit f771158d30
3 changed files with 87 additions and 163 deletions
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compiler/cli/src/org/jetbrains/jet/cli/KDocLoader.java
+86
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@@ -0,0 +1,86 @@
/**
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jetbrains.jet.cli;
import com.google.common.collect.Lists;
import com.intellij.lang.ASTNode;
import com.intellij.openapi.Disposable;
import com.intellij.psi.PsiElement;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.jet.compiler.CompilerPlugin;
import org.jetbrains.jet.compiler.JetCoreEnvironment;
import org.jetbrains.jet.lang.descriptors.ClassDescriptor;
import org.jetbrains.jet.lang.descriptors.DeclarationDescriptor;
import org.jetbrains.jet.lang.psi.JetFile;
import org.jetbrains.jet.lang.psi.JetPsiFactory;
import org.jetbrains.jet.lang.resolve.BindingContext;
import org.jetbrains.jet.lexer.JetTokens;
import org.jetbrains.jet.resolve.DescriptorRenderer;
import java.io.File;
import java.lang.reflect.Constructor;
import java.util.Collection;
import java.util.List;
/**
* A simple facade to auto-detect the KDoc processor if its available on the classpath
*/
public class KDocLoader {
private final String outputDir;
public KDocLoader(String outputDir) {
this.outputDir = outputDir;
}
public CompilerPlugin createCompilerPlugin() {
// lets see if we can see the KDoc class
String name = "org.jetbrains.kotlin.doc.KDoc";
Class<?> aClass = null;
try {
aClass = loadClass(name);
} catch (ClassNotFoundException e) {
System.out.println("Could not find class: " + name);
return null;
}
if (aClass != null) {
try {
File dir = new File(outputDir);
Constructor<?> constructor = aClass.getConstructor(File.class);
if (constructor != null) {
return (CompilerPlugin) constructor.newInstance(dir);
}
} catch (Exception e) {
System.out.println("Failed to create Processor: " + e);
}
}
return null;
}
public static Class<?> loadClass(String name) throws ClassNotFoundException {
try {
return Class.forName(name);
} catch (ClassNotFoundException e) {
try {
return Thread.currentThread().getContextClassLoader().loadClass(name);
} catch (ClassNotFoundException e1) {
return KDocLoader.class.getClassLoader().loadClass(name);
}
}
}
}
compiler/cli/src/org/jetbrains/jet/cli/KDocProcessor.java
-162
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@@ -1,162 +0,0 @@
/**
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jetbrains.jet.cli;
import com.google.common.collect.Lists;
import com.intellij.lang.ASTNode;
import com.intellij.openapi.Disposable;
import com.intellij.psi.PsiElement;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.jet.compiler.CompilerPlugin;
import org.jetbrains.jet.compiler.JetCoreEnvironment;
import org.jetbrains.jet.lang.descriptors.ClassDescriptor;
import org.jetbrains.jet.lang.descriptors.DeclarationDescriptor;
import org.jetbrains.jet.lang.psi.JetFile;
import org.jetbrains.jet.lang.psi.JetPsiFactory;
import org.jetbrains.jet.lang.resolve.BindingContext;
import org.jetbrains.jet.lexer.JetTokens;
import org.jetbrains.jet.resolve.DescriptorRenderer;
import java.io.File;
import java.lang.reflect.Constructor;
import java.util.Collection;
import java.util.List;
/**
* A simple facade to auto-detect the KDoc processor if its available on the classpath
*/
public class KDocProcessor implements CompilerPlugin {
private final String outputDir;
public KDocProcessor(String outputDir) {
this.outputDir = outputDir;
}
public CompilerPlugin createCompilerPlugin() {
// lets see if we can see the KDoc class
String name = "org.jetbrains.kotlin.doc.KDoc";
Class<?> aClass = null;
try {
aClass = loadClass(name);
} catch (ClassNotFoundException e) {
System.out.println("Could not find class: " + name);
return null;
}
if (aClass != null) {
try {
File dir = new File(outputDir);
Constructor<?> constructor = aClass.getConstructor(File.class);
if (constructor != null) {
return (CompilerPlugin) constructor.newInstance(dir);
}
} catch (Exception e) {
System.out.println("Failed to create Processor: " + e);
}
}
return null;
}
public static Class<?> loadClass(String name) throws ClassNotFoundException {
try {
return Class.forName(name);
} catch (ClassNotFoundException e) {
try {
return Thread.currentThread().getContextClassLoader().loadClass(name);
} catch (ClassNotFoundException e1) {
return KDocProcessor.class.getClassLoader().loadClass(name);
}
}
}
@Override
public void processFiles(BindingContext context, List<JetFile> sources) {
/*
// JetFile's are PSI (Program Source Interface) classes, i.e. they contain the concrete syntax trees of files
if (sources.isEmpty()) return;
// Let's perform the semantic analysis
Project project = sources.get(0).getProject();
Configuration javaBridgeConfiguration = JavaBridgeConfiguration.createJavaBridgeConfiguration(project, new BindingTraceContext(), Configuration.EMPTY);
// The BindingContext holds a mapping between the semantic data (DesclarationDescriptor's) and PSI
BindingContext context = AnalyzingUtils.analyzeFiles(project, javaBridgeConfiguration, sources, Predicates.<PsiFile>alwaysFalse(), JetControlFlowDataTraceFactory.EMPTY);
// Now we need all the packages. They are listed in the files
Set<NamespaceDescriptor> allNamespaces = Sets.newHashSet();
for (JetFile source : sources) {
// We retrieve a descriptor by a PSI element from the context
NamespaceDescriptor namespaceDescriptor = context.get(BindingContext.NAMESPACE, source);
allNamespaces.add(namespaceDescriptor);
}
for (NamespaceDescriptor namespace : allNamespaces) {
// Let's take all the declarations in the namespace...
processDescriptors(namespace.getMemberScope().getAllDescriptors(), context);
}
// TODO fire up the KDoc processor here...
*/
}
private void processDescriptors(Collection<DeclarationDescriptor> allDescriptors, BindingContext context) {
for (DeclarationDescriptor descriptor : allDescriptors) {
PsiElement classElement = context.get(BindingContext.DESCRIPTOR_TO_DECLARATION, descriptor);
// Print the doc comment text
String docComment = getDocCommentFor(classElement);
if (docComment != null) {
System.out.println("Docs for " + descriptor.getName() + ": " + docComment);
}
else {
System.out.println("No docs for " + descriptor.getName());
}
// Print the class header (verbose)
System.out.println(DescriptorRenderer.TEXT.render(descriptor));
// Process members, if any
if (descriptor instanceof ClassDescriptor) {
ClassDescriptor classDescriptor = (ClassDescriptor) descriptor;
processDescriptors(classDescriptor.getDefaultType().getMemberScope().getAllDescriptors(), context);
}
}
}
@Nullable
private String getDocCommentFor(PsiElement psiElement) {
// This method is a hack. Doc comments should be easily accessible, but they aren't for now.
ASTNode node = psiElement.getNode().getTreePrev();
while (node != null && (node.getElementType() == JetTokens.WHITE_SPACE || node.getElementType() == JetTokens.BLOCK_COMMENT)) {
node = node.getTreePrev();
}
if (node == null) return null;
if (node.getElementType() != JetTokens.DOC_COMMENT) return null;
return node.getText();
}
public static void main(String[] args) {
JetCoreEnvironment jetCoreEnvironment = new JetCoreEnvironment(new Disposable() {
@Override
public void dispose() {
}
});
List<JetFile> files = Lists.newArrayList();
files.add(JetPsiFactory.createFile(jetCoreEnvironment.getProject(), "package a;/**sdfsdf*/class A {fun foo() {} /**doc*/ fun bar() {}}"));
new KDocProcessor("").processFiles(null, files);
}
}
compiler/cli/src/org/jetbrains/jet/cli/KotlinCompiler.java
+1 -1
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@@ -129,7 +129,7 @@ public class KotlinCompiler {
}
if (arguments.docOutputDir != null) {
KDocProcessor factory = new KDocProcessor(arguments.docOutputDir);
KDocLoader factory = new KDocLoader(arguments.docOutputDir);
CompilerPlugin processor = factory.createCompilerPlugin();
if (processor != null) {
environment.getMyEnvironment().getCompilerPlugins().add(processor);