aboutsummaryrefslogtreecommitdiff
path: root/src/core/lombok/javac
diff options
context:
space:
mode:
authorReinier Zwitserloot <reinier@tipit.to>2009-11-25 07:32:49 +0100
committerReinier Zwitserloot <reinier@tipit.to>2009-11-25 07:32:49 +0100
commit1a0e611a9c5e1ee518670647ce1a44beae559b44 (patch)
treee5ef8f671bc6688f486e874d4e2e1a7813e4f0b2 /src/core/lombok/javac
parent7fd947ea40c25dad9ee543ebc4b92de9a2e05efc (diff)
downloadlombok-1a0e611a9c5e1ee518670647ce1a44beae559b44.tar.gz
lombok-1a0e611a9c5e1ee518670647ce1a44beae559b44.tar.bz2
lombok-1a0e611a9c5e1ee518670647ce1a44beae559b44.zip
Refactored the source folders.
Diffstat (limited to 'src/core/lombok/javac')
-rw-r--r--src/core/lombok/javac/HandlerLibrary.java219
-rw-r--r--src/core/lombok/javac/Javac.java162
-rw-r--r--src/core/lombok/javac/JavacAST.java347
-rw-r--r--src/core/lombok/javac/JavacASTAdapter.java98
-rw-r--r--src/core/lombok/javac/JavacASTVisitor.java266
-rw-r--r--src/core/lombok/javac/JavacAnnotationHandler.java58
-rw-r--r--src/core/lombok/javac/JavacNode.java212
-rw-r--r--src/core/lombok/javac/apt/Processor.java175
-rw-r--r--src/core/lombok/javac/apt/package-info.java26
-rw-r--r--src/core/lombok/javac/handlers/HandleCleanup.java147
-rw-r--r--src/core/lombok/javac/handlers/HandleData.java186
-rw-r--r--src/core/lombok/javac/handlers/HandleEqualsAndHashCode.java447
-rw-r--r--src/core/lombok/javac/handlers/HandleGetter.java143
-rw-r--r--src/core/lombok/javac/handlers/HandlePrintAST.java57
-rw-r--r--src/core/lombok/javac/handlers/HandleSetter.java153
-rw-r--r--src/core/lombok/javac/handlers/HandleSneakyThrows.java110
-rw-r--r--src/core/lombok/javac/handlers/HandleSynchronized.java102
-rw-r--r--src/core/lombok/javac/handlers/HandleToString.java237
-rw-r--r--src/core/lombok/javac/handlers/JavacHandlerUtil.java335
-rw-r--r--src/core/lombok/javac/handlers/package-info.java26
-rw-r--r--src/core/lombok/javac/package-info.java26
21 files changed, 3532 insertions, 0 deletions
diff --git a/src/core/lombok/javac/HandlerLibrary.java b/src/core/lombok/javac/HandlerLibrary.java
new file mode 100644
index 00000000..bbe9dec0
--- /dev/null
+++ b/src/core/lombok/javac/HandlerLibrary.java
@@ -0,0 +1,219 @@
+/*
+ * Copyright © 2009 Reinier Zwitserloot and Roel Spilker.
+ *
+ * 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;
+
+import java.lang.annotation.Annotation;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.ServiceConfigurationError;
+import java.util.ServiceLoader;
+
+import javax.annotation.processing.Messager;
+import javax.tools.Diagnostic;
+
+import lombok.core.PrintAST;
+import lombok.core.SpiLoadUtil;
+import lombok.core.TypeLibrary;
+import lombok.core.TypeResolver;
+import lombok.core.AnnotationValues.AnnotationValueDecodeFail;
+
+import com.sun.tools.javac.tree.JCTree.JCAnnotation;
+import com.sun.tools.javac.tree.JCTree.JCCompilationUnit;
+
+/**
+ * This class tracks 'handlers' and knows how to invoke them for any given AST node.
+ *
+ * This class can find the handlers (via SPI discovery) and will set up the given AST node, such as
+ * building an AnnotationValues instance.
+ */
+public class HandlerLibrary {
+ private final TypeLibrary typeLibrary = new TypeLibrary();
+ private final Map<String, AnnotationHandlerContainer<?>> annotationHandlers = new HashMap<String, AnnotationHandlerContainer<?>>();
+ private final Collection<JavacASTVisitor> visitorHandlers = new ArrayList<JavacASTVisitor>();
+ private final Messager messager;
+ private boolean skipPrintAST = true;
+
+ /**
+ * Creates a new HandlerLibrary that will report any problems or errors to the provided messager.
+ * You probably want to use {@link #load(Messager)} instead.
+ */
+ public HandlerLibrary(Messager messager) {
+ this.messager = messager;
+ }
+
+ private static class AnnotationHandlerContainer<T extends Annotation> {
+ private JavacAnnotationHandler<T> handler;
+ private Class<T> annotationClass;
+
+ AnnotationHandlerContainer(JavacAnnotationHandler<T> handler, Class<T> annotationClass) {
+ this.handler = handler;
+ this.annotationClass = annotationClass;
+ }
+
+ public boolean handle(final JavacNode node) {
+ return handler.handle(Javac.createAnnotation(annotationClass, node), (JCAnnotation)node.get(), node);
+ }
+ }
+
+ /**
+ * Creates a new HandlerLibrary that will report any problems or errors to the provided messager,
+ * then uses SPI discovery to load all annotation and visitor based handlers so that future calls
+ * to the handle methods will defer to these handlers.
+ */
+ public static HandlerLibrary load(Messager messager) {
+ HandlerLibrary library = new HandlerLibrary(messager);
+
+ loadAnnotationHandlers(library);
+ loadVisitorHandlers(library);
+
+ return library;
+ }
+
+ /** Uses SPI Discovery to find implementations of {@link JavacAnnotationHandler}. */
+ @SuppressWarnings("unchecked")
+ private static void loadAnnotationHandlers(HandlerLibrary lib) {
+ //No, that seemingly superfluous reference to JavacAnnotationHandler's classloader is not in fact superfluous!
+ Iterator<JavacAnnotationHandler> it = ServiceLoader.load(JavacAnnotationHandler.class,
+ JavacAnnotationHandler.class.getClassLoader()).iterator();
+ while (it.hasNext()) {
+ try {
+ JavacAnnotationHandler<?> handler = it.next();
+ Class<? extends Annotation> annotationClass =
+ SpiLoadUtil.findAnnotationClass(handler.getClass(), JavacAnnotationHandler.class);
+ AnnotationHandlerContainer<?> container = new AnnotationHandlerContainer(handler, annotationClass);
+ if (lib.annotationHandlers.put(container.annotationClass.getName(), container) != null) {
+ lib.javacWarning("Duplicate handlers for annotation type: " + container.annotationClass.getName());
+ }
+ lib.typeLibrary.addType(container.annotationClass.getName());
+ } catch (ServiceConfigurationError e) {
+ lib.javacWarning("Can't load Lombok annotation handler for javac", e);
+ }
+ }
+ }
+
+ /** Uses SPI Discovery to find implementations of {@link JavacASTVisitor}. */
+ private static void loadVisitorHandlers(HandlerLibrary lib) {
+ //No, that seemingly superfluous reference to JavacASTVisitor's classloader is not in fact superfluous!
+ Iterator<JavacASTVisitor> it = ServiceLoader.load(JavacASTVisitor.class,
+ JavacASTVisitor.class.getClassLoader()).iterator();
+ while (it.hasNext()) {
+ try {
+ JavacASTVisitor handler = it.next();
+ lib.visitorHandlers.add(handler);
+ } catch (ServiceConfigurationError e) {
+ lib.javacWarning("Can't load Lombok visitor handler for javac", e);
+ }
+ }
+ }
+
+ /** Generates a warning in the Messager that was used to initialize this HandlerLibrary. */
+ public void javacWarning(String message) {
+ javacWarning(message, null);
+ }
+
+ /** Generates a warning in the Messager that was used to initialize this HandlerLibrary. */
+ public void javacWarning(String message, Throwable t) {
+ messager.printMessage(Diagnostic.Kind.WARNING, message + (t == null ? "" : (": " + t)));
+ }
+
+ /** Generates an error in the Messager that was used to initialize this HandlerLibrary. */
+ public void javacError(String message) {
+ javacError(message, null);
+ }
+
+ /** Generates an error in the Messager that was used to initialize this HandlerLibrary. */
+ public void javacError(String message, Throwable t) {
+ messager.printMessage(Diagnostic.Kind.ERROR, message + (t == null ? "" : (": " + t)));
+ if (t != null) t.printStackTrace();
+ }
+
+ /**
+ * Handles the provided annotation node by first finding a qualifying instance of
+ * {@link JavacAnnotationHandler} and if one exists, calling it with a freshly cooked up
+ * instance of {@link lombok.core.AnnotationValues}.
+ *
+ * Note that depending on the printASTOnly flag, the {@link lombok.core.PrintAST} annotation
+ * will either be silently skipped, or everything that isn't {@code PrintAST} will be skipped.
+ *
+ * The HandlerLibrary will attempt to guess if the given annotation node represents a lombok annotation.
+ * For example, if {@code lombok.*} is in the import list, then this method will guess that
+ * {@code Getter} refers to {@code lombok.Getter}, presuming that {@link lombok.javac.handlers.HandleGetter}
+ * has been loaded.
+ *
+ * @param unit The Compilation Unit that contains the Annotation AST Node.
+ * @param node The Lombok AST Node representing the Annotation AST Node.
+ * @param annotation 'node.get()' - convenience parameter.
+ */
+ public boolean handleAnnotation(JCCompilationUnit unit, JavacNode node, JCAnnotation annotation) {
+ TypeResolver resolver = new TypeResolver(typeLibrary, node.getPackageDeclaration(), node.getImportStatements());
+ String rawType = annotation.annotationType.toString();
+ boolean handled = false;
+ for (String fqn : resolver.findTypeMatches(node, rawType)) {
+ boolean isPrintAST = fqn.equals(PrintAST.class.getName());
+ if (isPrintAST == skipPrintAST) continue;
+ AnnotationHandlerContainer<?> container = annotationHandlers.get(fqn);
+ if (container == null) continue;
+
+ try {
+ handled |= container.handle(node);
+ } catch (AnnotationValueDecodeFail fail) {
+ fail.owner.setError(fail.getMessage(), fail.idx);
+ } catch (Throwable t) {
+ String sourceName = "(unknown).java";
+ if (unit != null && unit.sourcefile != null) sourceName = unit.sourcefile.getName();
+ javacError(String.format("Lombok annotation handler %s failed on " + sourceName, container.handler.getClass()), t);
+ }
+ }
+
+ return handled;
+ }
+
+ /**
+ * Will call all registered {@link JavacASTVisitor} instances.
+ */
+ public void callASTVisitors(JavacAST ast) {
+ for (JavacASTVisitor visitor : visitorHandlers) try {
+ ast.traverse(visitor);
+ } catch (Throwable t) {
+ javacError(String.format("Lombok visitor handler %s failed", visitor.getClass()), t);
+ }
+ }
+
+ /**
+ * Lombok does not currently support triggering annotations in a specified order; the order is essentially
+ * random right now. This lack of order is particularly annoying for the {@code PrintAST} annotation,
+ * which is almost always intended to run last. Hence, this hack, which lets it in fact run last.
+ *
+ * @see #skipAllButPrintAST()
+ */
+ public void skipPrintAST() {
+ skipPrintAST = true;
+ }
+
+ /** @see #skipPrintAST() */
+ public void skipAllButPrintAST() {
+ skipPrintAST = false;
+ }
+}
diff --git a/src/core/lombok/javac/Javac.java b/src/core/lombok/javac/Javac.java
new file mode 100644
index 00000000..58a24207
--- /dev/null
+++ b/src/core/lombok/javac/Javac.java
@@ -0,0 +1,162 @@
+/*
+ * Copyright © 2009 Reinier Zwitserloot and Roel Spilker.
+ *
+ * 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;
+
+import java.lang.annotation.Annotation;
+import java.lang.reflect.Method;
+import java.lang.reflect.Modifier;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import lombok.core.AnnotationValues;
+import lombok.core.TypeLibrary;
+import lombok.core.TypeResolver;
+import lombok.core.AST.Kind;
+import lombok.core.AnnotationValues.AnnotationValue;
+
+import com.sun.tools.javac.tree.JCTree.JCAnnotation;
+import com.sun.tools.javac.tree.JCTree.JCAssign;
+import com.sun.tools.javac.tree.JCTree.JCExpression;
+import com.sun.tools.javac.tree.JCTree.JCFieldAccess;
+import com.sun.tools.javac.tree.JCTree.JCIdent;
+import com.sun.tools.javac.tree.JCTree.JCLiteral;
+import com.sun.tools.javac.tree.JCTree.JCNewArray;
+import com.sun.tools.javac.util.JCDiagnostic.DiagnosticPosition;
+
+/**
+ * Container for static utility methods relevant to lombok's operation on javac.
+ */
+public class Javac {
+ private Javac() {
+ //prevent instantiation
+ }
+
+ /**
+ * Checks if the Annotation AST Node provided is likely to be an instance of the provided annotation type.
+ *
+ * @param type An actual annotation type, such as {@code lombok.Getter.class}.
+ * @param node A Lombok AST node representing an annotation in source code.
+ */
+ public static boolean annotationTypeMatches(Class<? extends Annotation> type, JavacNode node) {
+ if (node.getKind() != Kind.ANNOTATION) return false;
+ String typeName = ((JCAnnotation)node.get()).annotationType.toString();
+
+ TypeLibrary library = new TypeLibrary();
+ library.addType(type.getName());
+ TypeResolver resolver = new TypeResolver(library, node.getPackageDeclaration(), node.getImportStatements());
+ Collection<String> typeMatches = resolver.findTypeMatches(node, typeName);
+
+ for (String match : typeMatches) {
+ if (match.equals(type.getName())) return true;
+ }
+
+ return false;
+ }
+
+ /**
+ * Creates an instance of {@code AnnotationValues} for the provided AST Node.
+ *
+ * @param type An annotation class type, such as {@code lombok.Getter.class}.
+ * @param node A Lombok AST node representing an annotation in source code.
+ */
+ public static <A extends Annotation> AnnotationValues<A> createAnnotation(Class<A> type, final JavacNode node) {
+ Map<String, AnnotationValue> values = new HashMap<String, AnnotationValue>();
+ JCAnnotation anno = (JCAnnotation) node.get();
+ List<JCExpression> arguments = anno.getArguments();
+ for (Method m : type.getDeclaredMethods()) {
+ if (!Modifier.isPublic(m.getModifiers())) continue;
+ String name = m.getName();
+ List<String> raws = new ArrayList<String>();
+ List<Object> guesses = new ArrayList<Object>();
+ final List<DiagnosticPosition> positions = new ArrayList<DiagnosticPosition>();
+ boolean isExplicit = false;
+
+ for (JCExpression arg : arguments) {
+ String mName;
+ JCExpression rhs;
+
+ if (arg instanceof JCAssign) {
+ JCAssign assign = (JCAssign) arg;
+ mName = assign.lhs.toString();
+ rhs = assign.rhs;
+ } else {
+ rhs = arg;
+ mName = "value";
+ }
+
+ if (!mName.equals(name)) continue;
+ isExplicit = true;
+ if (rhs instanceof JCNewArray) {
+ List<JCExpression> elems = ((JCNewArray)rhs).elems;
+ for (JCExpression inner : elems) {
+ raws.add(inner.toString());
+ guesses.add(calculateGuess(inner));
+ positions.add(inner.pos());
+ }
+ } else {
+ raws.add(rhs.toString());
+ guesses.add(calculateGuess(rhs));
+ positions.add(rhs.pos());
+ }
+ }
+
+ values.put(name, new AnnotationValue(node, raws, guesses, isExplicit) {
+ @Override public void setError(String message, int valueIdx) {
+ if (valueIdx < 0) node.addError(message);
+ else node.addError(message, positions.get(valueIdx));
+ }
+ @Override public void setWarning(String message, int valueIdx) {
+ if (valueIdx < 0) node.addWarning(message);
+ else node.addWarning(message, positions.get(valueIdx));
+ }
+ });
+ }
+
+ return new AnnotationValues<A>(type, values, node);
+ }
+
+ /**
+ * Turns an expression into a guessed intended literal. Only works for literals, as you can imagine.
+ *
+ * Will for example turn a TrueLiteral into 'Boolean.valueOf(true)'.
+ */
+ private static Object calculateGuess(JCExpression expr) {
+ if (expr instanceof JCLiteral) {
+ JCLiteral lit = (JCLiteral)expr;
+ if (lit.getKind() == com.sun.source.tree.Tree.Kind.BOOLEAN_LITERAL) {
+ return ((Number)lit.value).intValue() == 0 ? false : true;
+ }
+ return lit.value;
+ } else if (expr instanceof JCIdent || expr instanceof JCFieldAccess) {
+ String x = expr.toString();
+ if (x.endsWith(".class")) x = x.substring(0, x.length() - 6);
+ else {
+ int idx = x.lastIndexOf('.');
+ if (idx > -1) x = x.substring(idx + 1);
+ }
+ return x;
+ } else return null;
+ }
+}
diff --git a/src/core/lombok/javac/JavacAST.java b/src/core/lombok/javac/JavacAST.java
new file mode 100644
index 00000000..f2c83fb8
--- /dev/null
+++ b/src/core/lombok/javac/JavacAST.java
@@ -0,0 +1,347 @@
+/*
+ * Copyright © 2009 Reinier Zwitserloot and Roel Spilker.
+ *
+ * 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;
+
+import java.lang.reflect.Field;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+import javax.annotation.processing.Messager;
+import javax.tools.Diagnostic;
+import javax.tools.JavaFileObject;
+
+import lombok.core.AST;
+
+import com.sun.source.util.Trees;
+import com.sun.tools.javac.code.Symtab;
+import com.sun.tools.javac.tree.JCTree;
+import com.sun.tools.javac.tree.TreeMaker;
+import com.sun.tools.javac.tree.JCTree.JCAnnotation;
+import com.sun.tools.javac.tree.JCTree.JCBlock;
+import com.sun.tools.javac.tree.JCTree.JCClassDecl;
+import com.sun.tools.javac.tree.JCTree.JCCompilationUnit;
+import com.sun.tools.javac.tree.JCTree.JCExpression;
+import com.sun.tools.javac.tree.JCTree.JCFieldAccess;
+import com.sun.tools.javac.tree.JCTree.JCImport;
+import com.sun.tools.javac.tree.JCTree.JCMethodDecl;
+import com.sun.tools.javac.tree.JCTree.JCStatement;
+import com.sun.tools.javac.tree.JCTree.JCVariableDecl;
+import com.sun.tools.javac.util.Context;
+import com.sun.tools.javac.util.Log;
+import com.sun.tools.javac.util.Name;
+import com.sun.tools.javac.util.JCDiagnostic.DiagnosticPosition;
+
+/**
+ * Wraps around javac's internal AST view to add useful features as well as the ability to visit parents from children,
+ * something javac's own AST system does not offer.
+ */
+public class JavacAST extends AST<JavacAST, JavacNode, JCTree> {
+ private final Messager messager;
+ private final Name.Table nameTable;
+ private final TreeMaker treeMaker;
+ private final Symtab symtab;
+ private final Log log;
+ private final Context context;
+
+ /**
+ * Creates a new JavacAST of the provided Compilation Unit.
+ *
+ * @param trees The trees instance to use to inspect the compilation unit. Generate via:
+ * {@code Trees.getInstance(env)}
+ * @param messager A Messager for warning and error reporting.
+ * @param context A Context object for interfacing with the compiler.
+ * @param top The compilation unit, which serves as the top level node in the tree to be built.
+ */
+ public JavacAST(Trees trees, Messager messager, Context context, JCCompilationUnit top) {
+ super(top.sourcefile == null ? null : top.sourcefile.toString());
+ setTop(buildCompilationUnit(top));
+ this.context = context;
+ this.messager = messager;
+ this.log = Log.instance(context);
+ this.nameTable = Name.Table.instance(context);
+ this.treeMaker = TreeMaker.instance(context);
+ this.symtab = Symtab.instance(context);
+ }
+
+ public Context getContext() {
+ return context;
+ }
+
+ /** {@inheritDoc} */
+ @Override public String getPackageDeclaration() {
+ JCCompilationUnit unit = (JCCompilationUnit)top().get();
+ return unit.pid instanceof JCFieldAccess ? unit.pid.toString() : null;
+ }
+
+ /** {@inheritDoc} */
+ @Override public Collection<String> getImportStatements() {
+ List<String> imports = new ArrayList<String>();
+ JCCompilationUnit unit = (JCCompilationUnit)top().get();
+ for (JCTree def : unit.defs) {
+ if (def instanceof JCImport) {
+ imports.add(((JCImport)def).qualid.toString());
+ }
+ }
+
+ return imports;
+ }
+
+ /**
+ * Runs through the entire AST, starting at the compilation unit, calling the provided visitor's visit methods
+ * for each node, depth first.
+ */
+ public void traverse(JavacASTVisitor visitor) {
+ top().traverse(visitor);
+ }
+
+ void traverseChildren(JavacASTVisitor visitor, JavacNode node) {
+ for (JavacNode child : new ArrayList<JavacNode>(node.down())) {
+ child.traverse(visitor);
+ }
+ }
+
+ /** @return A Name object generated for the proper name table belonging to this AST. */
+ public Name toName(String name) {
+ return nameTable.fromString(name);
+ }
+
+ /** @return A TreeMaker instance that you can use to create new AST nodes. */
+ public TreeMaker getTreeMaker() {
+ return treeMaker;
+ }
+
+ /** @return The symbol table used by this AST for symbols. */
+ public Symtab getSymbolTable() {
+ return symtab;
+ }
+
+ /** {@inheritDoc} */
+ @Override protected JavacNode buildTree(JCTree node, Kind kind) {
+ switch (kind) {
+ case COMPILATION_UNIT:
+ return buildCompilationUnit((JCCompilationUnit) node);
+ case TYPE:
+ return buildType((JCClassDecl) node);
+ case FIELD:
+ return buildField((JCVariableDecl) node);
+ case INITIALIZER:
+ return buildInitializer((JCBlock) node);
+ case METHOD:
+ return buildMethod((JCMethodDecl) node);
+ case ARGUMENT:
+ return buildLocalVar((JCVariableDecl) node, kind);
+ case LOCAL:
+ return buildLocalVar((JCVariableDecl) node, kind);
+ case STATEMENT:
+ return buildStatementOrExpression(node);
+ case ANNOTATION:
+ return buildAnnotation((JCAnnotation) node);
+ default:
+ throw new AssertionError("Did not expect: " + kind);
+ }
+ }
+
+ private JavacNode buildCompilationUnit(JCCompilationUnit top) {
+ List<JavacNode> childNodes = new ArrayList<JavacNode>();
+ for (JCTree s : top.defs) {
+ if (s instanceof JCClassDecl) {
+ addIfNotNull(childNodes, buildType((JCClassDecl)s));
+ } // else they are import statements, which we don't care about. Or Skip objects, whatever those are.
+ }
+
+ return new JavacNode(this, top, childNodes, Kind.COMPILATION_UNIT);
+ }
+
+ private JavacNode buildType(JCClassDecl type) {
+ if (setAndGetAsHandled(type)) return null;
+ List<JavacNode> childNodes = new ArrayList<JavacNode>();
+
+ for (JCTree def : type.defs) {
+ for (JCAnnotation annotation : type.mods.annotations) addIfNotNull(childNodes, buildAnnotation(annotation));
+ /* A def can be:
+ * JCClassDecl for inner types
+ * JCMethodDecl for constructors and methods
+ * JCVariableDecl for fields
+ * JCBlock for (static) initializers
+ */
+ if (def instanceof JCMethodDecl) addIfNotNull(childNodes, buildMethod((JCMethodDecl)def));
+ else if (def instanceof JCClassDecl) addIfNotNull(childNodes, buildType((JCClassDecl)def));
+ else if (def instanceof JCVariableDecl) addIfNotNull(childNodes, buildField((JCVariableDecl)def));
+ else if (def instanceof JCBlock) addIfNotNull(childNodes, buildInitializer((JCBlock)def));
+ }
+
+ return putInMap(new JavacNode(this, type, childNodes, Kind.TYPE));
+ }
+
+ private JavacNode buildField(JCVariableDecl field) {
+ if (setAndGetAsHandled(field)) return null;
+ List<JavacNode> childNodes = new ArrayList<JavacNode>();
+ for (JCAnnotation annotation : field.mods.annotations) addIfNotNull(childNodes, buildAnnotation(annotation));
+ addIfNotNull(childNodes, buildExpression(field.init));
+ return putInMap(new JavacNode(this, field, childNodes, Kind.FIELD));
+ }
+
+ private JavacNode buildLocalVar(JCVariableDecl local, Kind kind) {
+ if (setAndGetAsHandled(local)) return null;
+ List<JavacNode> childNodes = new ArrayList<JavacNode>();
+ for (JCAnnotation annotation : local.mods.annotations) addIfNotNull(childNodes, buildAnnotation(annotation));
+ addIfNotNull(childNodes, buildExpression(local.init));
+ return putInMap(new JavacNode(this, local, childNodes, kind));
+ }
+
+ private JavacNode buildInitializer(JCBlock initializer) {
+ if (setAndGetAsHandled(initializer)) return null;
+ List<JavacNode> childNodes = new ArrayList<JavacNode>();
+ for (JCStatement statement: initializer.stats) addIfNotNull(childNodes, buildStatement(statement));
+ return putInMap(new JavacNode(this, initializer, childNodes, Kind.INITIALIZER));
+ }
+
+ private JavacNode buildMethod(JCMethodDecl method) {
+ if (setAndGetAsHandled(method)) return null;
+ List<JavacNode> childNodes = new ArrayList<JavacNode>();
+ for (JCAnnotation annotation : method.mods.annotations) addIfNotNull(childNodes, buildAnnotation(annotation));
+ for (JCVariableDecl param : method.params) addIfNotNull(childNodes, buildLocalVar(param, Kind.ARGUMENT));
+ if (method.body != null && method.body.stats != null) {
+ for (JCStatement statement : method.body.stats) addIfNotNull(childNodes, buildStatement(statement));
+ }
+ return putInMap(new JavacNode(this, method, childNodes, Kind.METHOD));
+ }
+
+ private JavacNode buildAnnotation(JCAnnotation annotation) {
+ if (setAndGetAsHandled(annotation)) return null;
+ return putInMap(new JavacNode(this, annotation, null, Kind.ANNOTATION));
+ }
+
+ private JavacNode buildExpression(JCExpression expression) {
+ return buildStatementOrExpression(expression);
+ }
+
+ private JavacNode buildStatement(JCStatement statement) {
+ return buildStatementOrExpression(statement);
+ }
+
+ private JavacNode buildStatementOrExpression(JCTree statement) {
+ if (statement == null) return null;
+ if (statement instanceof JCAnnotation) return null;
+ if (statement instanceof JCClassDecl) return buildType((JCClassDecl)statement);
+ if (statement instanceof JCVariableDecl) return buildLocalVar((JCVariableDecl)statement, Kind.LOCAL);
+
+ if (setAndGetAsHandled(statement)) return null;
+
+ return drill(statement);
+ }
+
+ private JavacNode drill(JCTree statement) {
+ List<JavacNode> childNodes = new ArrayList<JavacNode>();
+ for (FieldAccess fa : fieldsOf(statement.getClass())) childNodes.addAll(buildWithField(JavacNode.class, statement, fa));
+ return putInMap(new JavacNode(this, statement, childNodes, Kind.STATEMENT));
+ }
+
+ /** For javac, both JCExpression and JCStatement are considered as valid children types. */
+ @Override
+ protected Collection<Class<? extends JCTree>> getStatementTypes() {
+ Collection<Class<? extends JCTree>> collection = new ArrayList<Class<? extends JCTree>>(2);
+ collection.add(JCStatement.class);
+ collection.add(JCExpression.class);
+ return collection;
+ }
+
+ private static void addIfNotNull(Collection<JavacNode> nodes, JavacNode node) {
+ if (node != null) nodes.add(node);
+ }
+
+ /** Supply either a position or a node (in that case, position of the node is used) */
+ void printMessage(Diagnostic.Kind kind, String message, JavacNode node, DiagnosticPosition pos) {
+ JavaFileObject oldSource = null;
+ JavaFileObject newSource = null;
+ JCTree astObject = node == null ? null : node.get();
+ JCCompilationUnit top = (JCCompilationUnit) top().get();
+ newSource = top.sourcefile;
+ if (newSource != null) {
+ oldSource = log.useSource(newSource);
+ if (pos == null) pos = astObject.pos();
+ }
+ try {
+ switch (kind) {
+ case ERROR:
+ increaseErrorCount(messager);
+ boolean prev = log.multipleErrors;
+ log.multipleErrors = true;
+ try {
+ log.error(pos, "proc.messager", message);
+ } finally {
+ log.multipleErrors = prev;
+ }
+ break;
+ default:
+ case WARNING:
+ log.warning(pos, "proc.messager", message);
+ break;
+ }
+ } finally {
+ if (oldSource != null) log.useSource(oldSource);
+ }
+ }
+
+ /** {@inheritDoc} */
+ @Override protected void setElementInASTCollection(Field field, Object refField, List<Collection<?>> chain, Collection<?> collection, int idx, JCTree newN) throws IllegalAccessException {
+ com.sun.tools.javac.util.List<?> list = setElementInConsList(chain, collection, ((List<?>)collection).get(idx), newN);
+ field.set(refField, list);
+ }
+
+ private com.sun.tools.javac.util.List<?> setElementInConsList(List<Collection<?>> chain, Collection<?> current, Object oldO, Object newO) {
+ com.sun.tools.javac.util.List<?> oldL = (com.sun.tools.javac.util.List<?>) current;
+ com.sun.tools.javac.util.List<?> newL = replaceInConsList(oldL, oldO, newO);
+ if (chain.isEmpty()) return newL;
+ List<Collection<?>> reducedChain = new ArrayList<Collection<?>>(chain);
+ Collection<?> newCurrent = reducedChain.remove(reducedChain.size() -1);
+ return setElementInConsList(reducedChain, newCurrent, oldL, newL);
+ }
+
+ private com.sun.tools.javac.util.List<?> replaceInConsList(com.sun.tools.javac.util.List<?> oldL, Object oldO, Object newO) {
+ boolean repl = false;
+ Object[] a = oldL.toArray();
+ for (int i = 0; i < a.length; i++) {
+ if (a[i] == oldO) {
+ a[i] = newO;
+ repl = true;
+ }
+ }
+
+ if (repl) return com.sun.tools.javac.util.List.<Object>from(a);
+ return oldL;
+ }
+
+ private void increaseErrorCount(Messager m) {
+ try {
+ Field f = m.getClass().getDeclaredField("errorCount");
+ f.setAccessible(true);
+ if (f.getType() == int.class) {
+ int val = ((Number)f.get(m)).intValue();
+ f.set(m, val +1);
+ }
+ } catch (Throwable t) {
+ //Very unfortunate, but in most cases it still works fine, so we'll silently swallow it.
+ }
+ }
+}
diff --git a/src/core/lombok/javac/JavacASTAdapter.java b/src/core/lombok/javac/JavacASTAdapter.java
new file mode 100644
index 00000000..41bc46d3
--- /dev/null
+++ b/src/core/lombok/javac/JavacASTAdapter.java
@@ -0,0 +1,98 @@
+/*
+ * Copyright © 2009 Reinier Zwitserloot and Roel Spilker.
+ *
+ * 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;
+
+import com.sun.tools.javac.tree.JCTree;
+import com.sun.tools.javac.tre