aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--build.xml2
-rw-r--r--src/core/lombok/javac/apt/Processor.java231
2 files changed, 233 insertions, 0 deletions
diff --git a/build.xml b/build.xml
index b562fcb4..5f8f18aa 100644
--- a/build.xml
+++ b/build.xml
@@ -247,11 +247,13 @@ the common tasks and can be called on to run the main aspects of all the sub-scr
<include name="lombok/extern/**" />
<include name="lombok/launch/**" />
<include name="lombok/delombok/ant/Tasks*" />
+ <include name="lombok/javac/apt/Processor.class" />
</fileset>
<mappedresources>
<fileset dir="build/lombok">
<exclude name="com/sun/tools/javac/**" />
<exclude name="lombok/*.class" />
+ <exclude name="lombok/javac/apt/Processor.class" />
<exclude name="lombok/experimental/**" />
<exclude name="lombok/extern/**" />
<exclude name="lombok/launch/**" />
diff --git a/src/core/lombok/javac/apt/Processor.java b/src/core/lombok/javac/apt/Processor.java
new file mode 100644
index 00000000..7a187148
--- /dev/null
+++ b/src/core/lombok/javac/apt/Processor.java
@@ -0,0 +1,231 @@
+/*
+ * Copyright (C) 2015 The Project Lombok Authors.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package lombok.javac.apt;
+
+import static javax.tools.StandardLocation.*;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.OutputStreamWriter;
+import java.io.StringWriter;
+import java.lang.reflect.Field;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Enumeration;
+import java.util.Map;
+import java.util.Properties;
+import java.util.Set;
+
+import javax.annotation.processing.AbstractProcessor;
+import javax.annotation.processing.Filer;
+import javax.annotation.processing.ProcessingEnvironment;
+import javax.annotation.processing.RoundEnvironment;
+import javax.annotation.processing.SupportedAnnotationTypes;
+import javax.lang.model.SourceVersion;
+import javax.lang.model.element.TypeElement;
+import javax.tools.Diagnostic;
+import javax.tools.JavaFileManager;
+
+import com.sun.tools.javac.processing.JavacFiler;
+import com.sun.tools.javac.processing.JavacProcessingEnvironment;
+import com.sun.tools.javac.util.Options;
+
+/**
+ * This processor should not be used. It used to be THE processor. This class is only there to warn people that something went wrong, and for the
+ * lombok developers to see if what the reason for those failures is.
+ */
+@Deprecated
+@SupportedAnnotationTypes("*")
+public class Processor extends AbstractProcessor {
+
+ /** {@inheritDoc} */
+ @Override public void init(ProcessingEnvironment procEnv) {
+ super.init(procEnv);
+ if (System.getProperty("lombok.disable") != null) {
+ return;
+ }
+ procEnv.getMessager().printMessage(Diagnostic.Kind.WARNING, "Wrong usage of 'lombok.javac.apt.Processor'. " + report(procEnv));
+ }
+
+ private String report(ProcessingEnvironment procEnv) {
+ String data = collectData(procEnv);
+ try {
+ return writeFile(data);
+ } catch (Exception e) {
+ return "Report:\n\n" + data;
+ }
+ }
+
+ private String writeFile(String data) throws IOException {
+ File file = File.createTempFile("lombok-processor-report-", ".txt");
+ OutputStreamWriter writer = new OutputStreamWriter(new FileOutputStream(file));
+ writer.write(data);
+ writer.close();
+ return "Report written to '" + file.getCanonicalPath() + "'\n";
+ }
+
+ private String collectData(ProcessingEnvironment procEnv) {
+ StringBuilder message = new StringBuilder();
+ message.append("Problem report for usages of 'lombok.javac.apt.Processor'\n\n");
+ listOptions(message, procEnv);
+ findServices(message, procEnv.getFiler());
+ addStacktrace(message);
+ listProperties(message);
+ return message.toString();
+ }
+
+ private void listOptions(StringBuilder message, ProcessingEnvironment procEnv) {
+ try {
+ JavacProcessingEnvironment environment = (JavacProcessingEnvironment) procEnv;
+ Options instance = Options.instance(environment.getContext());
+ Field field = Options.class.getDeclaredField("values");
+ field.setAccessible(true);
+ @SuppressWarnings("unchecked") Map<String, String> values = (Map<String, String>) field.get(instance);
+ if (values.isEmpty()) {
+ message.append("Options: empty\n\n");
+ return;
+ }
+ message.append("Compiler Options:\n");
+ for (Map.Entry<String, String> value : values.entrySet()) {
+ message.append("- ");
+ string(message, value.getKey());
+ message.append(" = ");
+ string(message, value.getValue());
+ message.append("\n");
+ }
+ message.append("\n");
+ } catch (Exception e) {
+ message.append("No options available\n\n");
+ }
+
+ }
+
+ private void findServices(StringBuilder message, Filer filer) {
+ try {
+ Field filerFileManagerField = JavacFiler.class.getDeclaredField("fileManager");
+ filerFileManagerField.setAccessible(true);
+ JavaFileManager jfm = (JavaFileManager) filerFileManagerField.get(filer);
+ ClassLoader processorClassLoader = jfm.hasLocation(ANNOTATION_PROCESSOR_PATH) ? jfm.getClassLoader(ANNOTATION_PROCESSOR_PATH) : jfm.getClassLoader(CLASS_PATH);
+ Enumeration<URL> resources = processorClassLoader.getResources("META-INF/services/javax.annotation.processing.Processor");
+ if (!resources.hasMoreElements()) {
+ message.append("No processors discovered\n\n");
+ return;
+ }
+ message.append("Discovered processors:\n");
+ while (resources.hasMoreElements()) {
+ URL processorUrl = resources.nextElement();
+ message.append("- '").append(processorUrl).append("'");
+ InputStream content = (InputStream) processorUrl.getContent();
+ if (content != null) try {
+ InputStreamReader reader = new InputStreamReader(content, "UTF-8");
+ StringWriter sw = new StringWriter();
+ char[] buffer = new char[8192];
+ int read = 0;
+ while ((read = reader.read(buffer))!= -1) {
+ sw.write(buffer, 0, read);
+ }
+ String wholeFile = sw.toString();
+ if (wholeFile.contains("lombok.javac.apt.Processor")) {
+ message.append(" <= problem\n");
+ } else {
+ message.append(" (ok)\n");
+ }
+ message.append(" ").append(wholeFile.replace("\n", "\n ")).append("\n");
+ } finally {
+ content.close();
+ }
+ }
+ } catch (Exception e) {
+ message.append("Filer information unavailable\n");
+ }
+ message.append("\n");
+ }
+
+ private void addStacktrace(StringBuilder message) {
+ StackTraceElement[] stackTraceElements = Thread.currentThread().getStackTrace();
+ if (stackTraceElements != null) {
+ message.append("Called from\n");
+ for (int i = 1; i < stackTraceElements.length; i++) {
+ StackTraceElement element = stackTraceElements[i];
+ if (!element.getClassName().equals("lombok.javac.apt.Processor")) message.append("- ").append(element).append("\n");
+ }
+ } else {
+ message.append("No stacktrace available\n");
+ }
+ message.append("\n");
+ }
+
+ private void listProperties(StringBuilder message) {
+ Properties properties = System.getProperties();
+ ArrayList<String> propertyNames = new ArrayList<String>(properties.stringPropertyNames());
+ Collections.sort(propertyNames);
+ message.append("Properties: \n");
+ for (String propertyName : propertyNames) {
+ if (propertyName.startsWith("user.")) continue;
+ message.append("- ").append(propertyName).append(" = ");
+ string(message, System.getProperty(propertyName));
+ message.append("\n");
+ }
+ message.append("\n");
+ }
+
+ private static void string(StringBuilder sb, String s) {
+ if (s == null) {
+ sb.append("null");
+ return;
+ }
+ sb.append("\"");
+ for (int i = 0; i < s.length(); i++) sb.append(escape(s.charAt(i)));
+ sb.append("\"");
+ }
+
+ private static String escape(char ch) {
+ switch (ch) {
+ case '\b': return "\\b";
+ case '\f': return "\\f";
+ case '\n': return "\\n";
+ case '\r': return "\\r";
+ case '\t': return "\\t";
+ case '\'': return "\\'";
+ case '\"': return "\\\"";
+ case '\\': return "\\\\";
+ default:
+ if (ch < 32) return String.format("\\%03o", (int) ch);
+ return String.valueOf(ch);
+ }
+ }
+
+ /**
+ * We just return the latest version of whatever JDK we run on. Stupid? Yeah, but it's either that or warnings on all versions but 1.
+ */
+ @Override public SourceVersion getSupportedSourceVersion() {
+ return SourceVersion.values()[SourceVersion.values().length - 1];
+ }
+
+ @Override public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
+ return false;
+ }
+}
generated by cgit (git 2.46.0) at 2024-12-30 02:08:10 +0000