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author | Reinier Zwitserloot <reinier@tipit.to> | 2009-11-25 07:32:49 +0100 |
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committer | Reinier Zwitserloot <reinier@tipit.to> | 2009-11-25 07:32:49 +0100 |
commit | 1a0e611a9c5e1ee518670647ce1a44beae559b44 (patch) | |
tree | e5ef8f671bc6688f486e874d4e2e1a7813e4f0b2 /src/lombok/javac | |
parent | 7fd947ea40c25dad9ee543ebc4b92de9a2e05efc (diff) | |
download | lombok-1a0e611a9c5e1ee518670647ce1a44beae559b44.tar.gz lombok-1a0e611a9c5e1ee518670647ce1a44beae559b44.tar.bz2 lombok-1a0e611a9c5e1ee518670647ce1a44beae559b44.zip |
Refactored the source folders.
Diffstat (limited to 'src/lombok/javac')
21 files changed, 0 insertions, 3532 deletions
diff --git a/src/lombok/javac/HandlerLibrary.java b/src/lombok/javac/HandlerLibrary.java deleted file mode 100644 index bbe9dec0..00000000 --- a/src/lombok/javac/HandlerLibrary.java +++ /dev/null @@ -1,219 +0,0 @@ -/* - * 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/lombok/javac/Javac.java b/src/lombok/javac/Javac.java deleted file mode 100644 index 58a24207..00000000 --- a/src/lombok/javac/Javac.java +++ /dev/null @@ -1,162 +0,0 @@ -/* - * 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/lombok/javac/JavacAST.java b/src/lombok/javac/JavacAST.java deleted file mode 100644 index f2c83fb8..00000000 --- a/src/lombok/javac/JavacAST.java +++ /dev/null @@ -1,347 +0,0 @@ -/* - * 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/lombok/javac/JavacASTAdapter.java b/src/lombok/javac/JavacASTAdapter.java deleted file mode 100644 index 41bc46d3..00000000 --- a/src/lombok/javac/JavacASTAdapter.java +++ /dev/null @@ -1,98 +0,0 @@ -/* - * 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.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.JCMethodDecl; -import com.sun.tools.javac.tree.JCTree.JCVariableDecl; - -/** - * Standard adapter for the {@link JavacASTVisitor} interface. Every method on that interface - * has been implemented with an empty body. Override whichever methods you need. - */ -public class JavacASTAdapter implements JavacASTVisitor { - /** {@inheritDoc} */ - @Override public void visitCompilationUnit(JavacNode top, JCCompilationUnit unit) {} - - /** {@inheritDoc} */ - @Override public void endVisitCompilationUnit(JavacNode top, JCCompilationUnit unit) {} - - /** {@inheritDoc} */ - @Override public void visitType(JavacNode typeNode, JCClassDecl type) {} - - /** {@inheritDoc} */ - @Override public void visitAnnotationOnType(JCClassDecl type, JavacNode annotationNode, JCAnnotation annotation) {} - - /** {@inheritDoc} */ - @Override public void endVisitType(JavacNode typeNode, JCClassDecl type) {} - - /** {@inheritDoc} */ - @Override public void visitField(JavacNode fieldNode, JCVariableDecl field) {} - - /** {@inheritDoc} */ - @Override public void visitAnnotationOnField(JCVariableDecl field, JavacNode annotationNode, JCAnnotation annotation) {} - - /** {@inheritDoc} */ - @Override public void endVisitField(JavacNode fieldNode, JCVariableDecl field) {} - - /** {@inheritDoc} */ - @Override public void visitInitializer(JavacNode initializerNode, JCBlock initializer) {} - - /** {@inheritDoc} */ - @Override public void endVisitInitializer(JavacNode initializerNode, JCBlock initializer) {} - - /** {@inheritDoc} */ - @Override public void visitMethod(JavacNode methodNode, JCMethodDecl method) {} - - /** {@inheritDoc} */ - @Override public void visitAnnotationOnMethod(JCMethodDecl method, JavacNode annotationNode, JCAnnotation annotation) {} - - /** {@inheritDoc} */ - @Override public void endVisitMethod(JavacNode methodNode, JCMethodDecl method) {} - - /** {@inheritDoc} */ - @Override public void visitMethodArgument(JavacNode argumentNode, JCVariableDecl argument, JCMethodDecl method) {} - - /** {@inheritDoc} */ - @Override public void visitAnnotationOnMethodArgument(JCVariableDecl argument, JCMethodDecl method, JavacNode annotationNode, JCAnnotation annotation) {} - /** {@inheritDoc} */ - @Override public void endVisitMethodArgument(JavacNode argumentNode, JCVariableDecl argument, JCMethodDecl method) {} - - /** {@inheritDoc} */ - @Override public void visitLocal(JavacNode localNode, JCVariableDecl local) {} - - /** {@inheritDoc} */ - @Override public void visitAnnotationOnLocal(JCVariableDecl local, JavacNode annotationNode, JCAnnotation annotation) {} - - /** {@inheritDoc} */ - @Override public void endVisitLocal(JavacNode localNode, JCVariableDecl local) {} - - /** {@inheritDoc} */ - @Override public void visitStatement(JavacNode statementNode, JCTree statement) {} - - /** {@inheritDoc} */ - @Override public void endVisitStatement(JavacNode statementNode, JCTree statement) {} -} diff --git a/src/lombok/javac/JavacASTVisitor.java b/src/lombok/javac/JavacASTVisitor.java deleted file mode 100644 index 3c5887a7..00000000 --- a/src/lombok/javac/JavacASTVisitor.java +++ /dev/null @@ -1,266 +0,0 @@ -/* - * 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.io.PrintStream; - -import com.sun.tools.javac.code.Flags; -import com.sun.tools.javac.tree.JCTree; -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.JCMethodDecl; -import com.sun.tools.javac.tree.JCTree.JCVariableDecl; - -/** - * Implement so you can ask any JavacAST.LombokNode to traverse depth-first through all children, - * calling the appropriate visit and endVisit methods. - */ -public interface JavacASTVisitor { - /** - * Called at the very beginning and end. - */ - void visitCompilationUnit(JavacNode top, JCCompilationUnit unit); - void endVisitCompilationUnit(JavacNode top, JCCompilationUnit unit); - - /** - * Called when visiting a type (a class, interface, annotation, enum, etcetera). - */ - void visitType(JavacNode typeNode, JCClassDecl type); - void visitAnnotationOnType(JCClassDecl type, JavacNode annotationNode, JCAnnotation annotation); - void endVisitType(JavacNode typeNode, JCClassDecl type); - - /** - * Called when visiting a field of a class. - */ - void visitField(JavacNode fieldNode, JCVariableDecl field); - void visitAnnotationOnField(JCVariableDecl field, JavacNode annotationNode, JCAnnotation annotation); - void endVisitField(JavacNode fieldNode, JCVariableDecl field); - - /** - * Called for static and instance initializers. You can tell the difference via the isStatic() method. - */ - void visitInitializer(JavacNode initializerNode, JCBlock initializer); - void endVisitInitializer(JavacNode initializerNode, JCBlock initializer); - - /** - * Called for both methods and constructors. - */ - void visitMethod(JavacNode methodNode, JCMethodDecl method); - void visitAnnotationOnMethod(JCMethodDecl method, JavacNode annotationNode, JCAnnotation annotation); - void endVisitMethod(JavacNode methodNode, JCMethodDecl method); - - /** - * Visits a method argument. - */ - void visitMethodArgument(JavacNode argumentNode, JCVariableDecl argument, JCMethodDecl method); - void visitAnnotationOnMethodArgument(JCVariableDecl argument, JCMethodDecl method, JavacNode annotationNode, JCAnnotation annotation); - void endVisitMethodArgument(JavacNode argumentNode, JCVariableDecl argument, JCMethodDecl method); - - /** - * Visits a local declaration - that is, something like 'int x = 10;' on the method level. Also called - * for method parameters. - */ - void visitLocal(JavacNode localNode, JCVariableDecl local); - void visitAnnotationOnLocal(JCVariableDecl local, JavacNode annotationNode, JCAnnotation annotation); - void endVisitLocal(JavacNode localNode, JCVariableDecl local); - - /** - * Visits a statement that isn't any of the other visit methods (e.g. JCClassDecl). - * The statement object is guaranteed to be either a JCStatement or a JCExpression. - */ - void visitStatement(JavacNode statementNode, JCTree statement); - void endVisitStatement(JavacNode statementNode, JCTree statement); - - /** - * Prints the structure of an AST. - */ - public static class Printer implements JavacASTVisitor { - private final PrintStream out; - private final boolean printContent; - private int disablePrinting = 0; - private int indent = 0; - - /** - * @param printContent if true, bodies are printed directly, as java code, - * instead of a tree listing of every AST node inside it. - */ - public Printer(boolean printContent) { - this(printContent, System.out); - } - - /** - * @param printContent if true, bodies are printed directly, as java code, - * instead of a tree listing of every AST node inside it. - * @param out write output to this stream. You must close it yourself. flush() is called after every line. - * - * @see java.io.PrintStream#flush() - */ - public Printer(boolean printContent, PrintStream out) { - this.printContent = printContent; - this.out = out; - } - - private void forcePrint(String text, Object... params) { - StringBuilder sb = new StringBuilder(); - for (int i = 0; i < indent; i++) sb.append(" "); - out.printf(sb.append(text).append('\n').toString(), params); - out.flush(); - } - - private void print(String text, Object... params) { - if (disablePrinting == 0) forcePrint(text, params); - } - - @Override public void visitCompilationUnit(JavacNode LombokNode, JCCompilationUnit unit) { - out.println("---------------------------------------------------------"); - - print("<CU %s>", LombokNode.getFileName()); - indent++; - } - - @Override public void endVisitCompilationUnit(JavacNode node, JCCompilationUnit unit) { - indent--; - print("</CUD>"); - } - - @Override public void visitType(JavacNode node, JCClassDecl type) { - print("<TYPE %s>", type.name); - indent++; - if (printContent) { - print("%s", type); - disablePrinting++; - } - } - - @Override public void visitAnnotationOnType(JCClassDecl type, JavacNode node, JCAnnotation annotation) { - forcePrint("<ANNOTATION: %s />", annotation); - } - - @Override public void endVisitType(JavacNode node, JCClassDecl type) { - if (printContent) disablePrinting--; - indent--; - print("</TYPE %s>", type.name); - } - - @Override public void visitInitializer(JavacNode node, JCBlock initializer) { - print("<%s INITIALIZER>", - initializer.isStatic() ? "static" : "instance"); - indent++; - if (printContent) { - print("%s", initializer); - disablePrinting++; - } - } - - @Override public void endVisitInitializer(JavacNode node, JCBlock initializer) { - if (printContent) disablePrinting--; - indent--; - print("</%s INITIALIZER>", initializer.isStatic() ? "static" : "instance"); - } - - @Override public void visitField(JavacNode node, JCVariableDecl field) { - print("<FIELD %s %s>", field.vartype, field.name); - indent++; - if (printContent) { - if (field.init != null) print("%s", field.init); - disablePrinting++; - } - } - - @Override public void visitAnnotationOnField(JCVariableDecl field, JavacNode node, JCAnnotation annotation) { - forcePrint("<ANNOTATION: %s />", annotation); - } - - @Override public void endVisitField(JavacNode node, JCVariableDecl field) { - if (printContent) disablePrinting--; - indent--; - print("</FIELD %s %s>", field.vartype, field.name); - } - - @Override public void visitMethod(JavacNode node, JCMethodDecl method) { - final String type; - if (method.name.contentEquals("<init>")) { - if ((method.mods.flags & Flags.GENERATEDCONSTR) != 0) { - type = "DEFAULTCONSTRUCTOR"; - } else type = "CONSTRUCTOR"; - } else type = "METHOD"; - print("<%s %s> returns: %s", type, method.name, method.restype); - indent++; - if (printContent) { - if (method.body == null) print("(ABSTRACT)"); - else print("%s", method.body); - disablePrinting++; - } - } - - @Override public void visitAnnotationOnMethod(JCMethodDecl method, JavacNode node, JCAnnotation annotation) { - forcePrint("<ANNOTATION: %s />", annotation); - } - - @Override public void endVisitMethod(JavacNode node, JCMethodDecl method) { - if (printContent) disablePrinting--; - indent--; - print("</%s %s>", "XMETHOD", method.name); - } - - @Override public void visitMethodArgument(JavacNode node, JCVariableDecl arg, JCMethodDecl method) { - print("<METHODARG %s %s>", arg.vartype, arg.name); - indent++; - } - - @Override public void visitAnnotationOnMethodArgument(JCVariableDecl arg, JCMethodDecl method, JavacNode nodeAnnotation, JCAnnotation annotation) { - forcePrint("<ANNOTATION: %s />", annotation); - } - - @Override public void endVisitMethodArgument(JavacNode node, JCVariableDecl arg, JCMethodDecl method) { - indent--; - print("</METHODARG %s %s>", arg.vartype, arg.name); - } - - @Override public void visitLocal(JavacNode node, JCVariableDecl local) { - print("<LOCAL %s %s>", local.vartype, local.name); - indent++; - } - - @Override public void visitAnnotationOnLocal(JCVariableDecl local, JavacNode node, JCAnnotation annotation) { - print("<ANNOTATION: %s />", annotation); - } - - @Override public void endVisitLocal(JavacNode node, JCVariableDecl local) { - indent--; - print("</LOCAL %s %s>", local.vartype, local.name); - } - - @Override public void visitStatement(JavacNode node, JCTree statement) { - print("<%s>", statement.getClass()); - indent++; - print("%s", statement); - } - - @Override public void endVisitStatement(JavacNode node, JCTree statement) { - indent--; - print("</%s>", statement.getClass()); - } - } -} diff --git a/src/lombok/javac/JavacAnnotationHandler.java b/src/lombok/javac/JavacAnnotationHandler.java deleted file mode 100644 index 5b6fe4ce..00000000 --- a/src/lombok/javac/JavacAnnotationHandler.java +++ /dev/null @@ -1,58 +0,0 @@ -/* - * 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 lombok.core.AnnotationValues; - -import com.sun.tools.javac.tree.JCTree.JCAnnotation; - -/** - * Implement this interface if you want to be triggered for a specific annotation. - * - * You MUST replace 'T' with a specific annotation type, such as: - * - * {@code public class HandleGetter implements JavacAnnotationHandler<Getter>} - * - * Because this generics parameter is inspected to figure out which class you're interested in. - * - * You also need to register yourself via SPI discovery as being an implementation of {@code JavacAnnotationHandler}. - */ -public interface JavacAnnotationHandler<T extends Annotation> { - /** - * Called when an annotation is found that is likely to match the annotation you're interested in. - * - * Be aware that you'll be called for ANY annotation node in the source that looks like a match. There is, - * for example, no guarantee that the annotation node belongs to a method, even if you set your - * TargetType in the annotation to methods only. - * - * @param annotation The actual annotation - use this object to retrieve the annotation parameters. - * @param ast The javac AST node representing the annotation. - * @param annotationNode The Lombok AST wrapper around the 'ast' parameter. You can use this object - * to travel back up the chain (something javac AST can't do) to the parent of the annotation, as well - * as access useful methods such as generating warnings or errors focused on the annotation. - * @return {@code true} if you don't want to be called again about this annotation during this - * compile session (you've handled it), or {@code false} to indicate you aren't done yet. - */ - boolean handle(AnnotationValues<T> annotation, JCAnnotation ast, JavacNode annotationNode); -} diff --git a/src/lombok/javac/JavacNode.java b/src/lombok/javac/JavacNode.java deleted file mode 100644 index a0ee2789..00000000 --- a/src/lombok/javac/JavacNode.java +++ /dev/null @@ -1,212 +0,0 @@ -/* - * 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.util.List; - -import javax.tools.Diagnostic; - -import lombok.core.AST.Kind; - -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.JCMethodDecl; -import com.sun.tools.javac.tree.JCTree.JCVariableDecl; -import com.sun.tools.javac.util.Context; -import com.sun.tools.javac.util.Name; -import com.sun.tools.javac.util.JCDiagnostic.DiagnosticPosition; - -/** - * Javac specific version of the LombokNode class. - */ -public class JavacNode extends lombok.core.LombokNode<JavacAST, JavacNode, JCTree> { - /** - * Passes through to the parent constructor. - */ - public JavacNode(JavacAST ast, JCTree node, List<JavacNode> children, Kind kind) { - super(ast, node, children, kind); - } - - /** - * Visits this node and all child nodes depth-first, calling the provided visitor's visit methods. - */ - public void traverse(JavacASTVisitor visitor) { - switch (this.getKind()) { - case COMPILATION_UNIT: - visitor.visitCompilationUnit(this, (JCCompilationUnit)get()); - ast.traverseChildren(visitor, this); - visitor.endVisitCompilationUnit(this, (JCCompilationUnit)get()); - break; - case TYPE: - visitor.visitType(this, (JCClassDecl)get()); - ast.traverseChildren(visitor, this); - visitor.endVisitType(this, (JCClassDecl)get()); - break; - case FIELD: - visitor.visitField(this, (JCVariableDecl)get()); - ast.traverseChildren(visitor, this); - visitor.endVisitField(this, (JCVariableDecl)get()); - break; - case METHOD: - visitor.visitMethod(this, (JCMethodDecl)get()); - ast.traverseChildren(visitor, this); - visitor.endVisitMethod(this, (JCMethodDecl)get()); - break; - case INITIALIZER: - visitor.visitInitializer(this, (JCBlock)get()); - ast.traverseChildren(visitor, this); - visitor.endVisitInitializer(this, (JCBlock)get()); - break; - case ARGUMENT: - JCMethodDecl parentMethod = (JCMethodDecl) up().get(); - visitor.visitMethodArgument(this, (JCVariableDecl)get(), parentMethod); - ast.traverseChildren(visitor, this); - visitor.endVisitMethodArgument(this, (JCVariableDecl)get(), parentMethod); - break; - case LOCAL: - visitor.visitLocal(this, (JCVariableDecl)get()); - ast.traverseChildren(visitor, this); - visitor.endVisitLocal(this, (JCVariableDecl)get()); - break; - case STATEMENT: - visitor.visitStatement(this, get()); - ast.traverseChildren(visitor, this); - visitor.endVisitStatement(this, get()); - break; - case ANNOTATION: - switch (up().getKind()) { - case TYPE: - visitor.visitAnnotationOnType((JCClassDecl)up().get(), this, (JCAnnotation)get()); - break; - case FIELD: - visitor.visitAnnotationOnField((JCVariableDecl)up().get(), this, (JCAnnotation)get()); - break; - case METHOD: - visitor.visitAnnotationOnMethod((JCMethodDecl)up().get(), this, (JCAnnotation)get()); - break; - case ARGUMENT: - JCVariableDecl argument = (JCVariableDecl)up().get(); - JCMethodDecl method = (JCMethodDecl)up().up().get(); - visitor.visitAnnotationOnMethodArgument(argument, method, this, (JCAnnotation)get()); - break; - case LOCAL: - visitor.visitAnnotationOnLocal((JCVariableDecl)up().get(), this, (JCAnnotation)get()); - break; - default: - throw new AssertionError("Annotion not expected as child of a " + up().getKind()); - } - break; - default: - throw new AssertionError("Unexpected kind during node traversal: " + getKind()); - } - } - - /** {@inheritDoc} */ - @Override public String getName() { - final Name n; - - if (node instanceof JCClassDecl) n = ((JCClassDecl)node).name; - else if (node instanceof JCMethodDecl) n = ((JCMethodDecl)node).name; - else if (node instanceof JCVariableDecl) n = ((JCVariableDecl)node).name; - else n = null; - - return n == null ? null : n.toString(); - } - - /** {@inheritDoc} */ - @Override protected boolean calculateIsStructurallySignificant() { - if (node instanceof JCClassDecl) return true; - if (node instanceof JCMethodDecl) return true; - if (node instanceof JCVariableDecl) return true; - if (node instanceof JCCompilationUnit) return true; - return false; - } - - /** - * Convenient shortcut to the owning JavacAST object's getTreeMaker method. - * - * @see JavacAST#getTreeMaker() - */ - public TreeMaker getTreeMaker() { - return ast.getTreeMaker(); - } - - /** - * Convenient shortcut to the owning JavacAST object's getSymbolTable method. - * - * @see JavacAST#getSymbolTable() - */ - public Symtab getSymbolTable() { - return ast.getSymbolTable(); - } - - /** - * Convenient shortcut to the owning JavacAST object's getContext method. - * - * @see JavacAST#getContext() - */ - public Context getContext() { - return ast.getContext(); - } - - /** - * Convenient shortcut to the owning JavacAST object's toName method. - * - * @see JavacAST#toName(String) - */ - public Name toName(String name) { - return ast.toName(name); - } - - /** - * Generates an compiler error focused on the AST node represented by this node object. - */ - @Override public void addError(String message) { - ast.printMessage(Diagnostic.Kind.ERROR, message, this, null); - } - - /** - * Generates an compiler error focused on the AST node represented by this node object. - */ - public void addError(String message, DiagnosticPosition pos) { - ast.printMessage(Diagnostic.Kind.ERROR, message, null, pos); - } - - /** - * Generates a compiler warning focused on the AST node represented by this node object. - */ - @Override public void addWarning(String message) { - ast.printMessage(Diagnostic.Kind.WARNING, message, this, null); - } - - /** - * Generates a compiler warning focused on the AST node represented by this node object. - */ - public void addWarning(String message, DiagnosticPosition pos) { - ast.printMessage(Diagnostic.Kind.WARNING, message, null, pos); - } -} diff --git a/src/lombok/javac/apt/Processor.java b/src/lombok/javac/apt/Processor.java deleted file mode 100644 index 9c851762..00000000 --- a/src/lombok/javac/apt/Processor.java +++ /dev/null @@ -1,175 +0,0 @@ -/* - * 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.apt; - -import java.util.ArrayList; -import java.util.IdentityHashMap; -import java.util.List; -import java.util.Set; - -import javax.annotation.processing.AbstractProcessor; -import javax.annotation.processing.ProcessingEnvironment; -import javax.annotation.processing.RoundEnvironment; -import javax.annotation.processing.SupportedAnnotationTypes; -import javax.annotation.processing.SupportedSourceVersion; -import javax.lang.model.SourceVersion; -import javax.lang.model.element.Element; -import javax.lang.model.element.TypeElement; -import javax.tools.Diagnostic.Kind; - -import lombok.javac.HandlerLibrary; -import lombok.javac.JavacAST; -import lombok.javac.JavacASTAdapter; -import lombok.javac.JavacNode; - -import com.sun.source.util.TreePath; -import com.sun.source.util.Trees; -import com.sun.tools.javac.processing.JavacProcessingEnvironment; -import com.sun.tools.javac.tree.JCTree.JCAnnotation; -import com.sun.tools.javac.tree.JCTree.JCClassDecl; -import com.sun.tools.javac.tree.JCTree.JCCompilationUnit; -import com.sun.tools.javac.tree.JCTree.JCMethodDecl; -import com.sun.tools.javac.tree.JCTree.JCVariableDecl; - - -/** - * This Annotation Processor is the standard injection mechanism for lombok-enabling the javac compiler. - * - * Due to lots of changes in the core javac code, as well as lombok's heavy usage of non-public API, this - * code only works for the javac v1.6 compiler; it definitely won't work for javac v1.5, and it probably - * won't work for javac v1.7 without modifications. - * - * To actually enable lombok in a javac compilation run, this class should be in the classpath when - * running javac; that's the only requirement. - */ -@SupportedAnnotationTypes("*") -@SupportedSourceVersion(SourceVersion.RELEASE_6) -public class Processor extends AbstractProcessor { - private ProcessingEnvironment rawProcessingEnv; - private JavacProcessingEnvironment processingEnv; - private HandlerLibrary handlers; - private Trees trees; - private String errorToShow; - - /** {@inheritDoc} */ - @Override public void init(ProcessingEnvironment procEnv) { - super.init(procEnv); - this.rawProcessingEnv = procEnv; - String className = procEnv.getClass().getName(); - if (className.startsWith("org.eclipse.jdt.")) { - errorToShow = "You should not install lombok.jar as an annotation processor in eclipse. Instead, run lombok.jar as a java application and follow the instructions."; - procEnv.getMessager().printMessage(Kind.WARNING, errorToShow); - this.processingEnv = null; - } else if (!procEnv.getClass().getName().equals("com.sun.tools.javac.processing.JavacProcessingEnvironment")) { - procEnv.getMessager().printMessage(Kind.WARNING, "You aren't using a compiler based around javac v1.6, so lombok will not work properly.\n" + - "Your processor class is: " + className); - this.processingEnv = null; - this.errorToShow = null; - } else { - this.processingEnv = (JavacProcessingEnvironment) procEnv; - handlers = HandlerLibrary.load(procEnv.getMessager()); - trees = Trees.instance(procEnv); - this.errorToShow = null; - } - } - - /** {@inheritDoc} */ - @Override public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) { - if (processingEnv == null) { - if (errorToShow != null) { - Set<? extends Element> rootElements = roundEnv.getRootElements(); - if (!rootElements.isEmpty()) { - rawProcessingEnv.getMessager().printMessage(Kind.WARNING, errorToShow, rootElements.iterator().next()); - errorToShow = null; - } - } - return false; - } - - IdentityHashMap<JCCompilationUnit, Void> units = new IdentityHashMap<JCCompilationUnit, Void>(); - for (Element element : roundEnv.getRootElements()) { - JCCompilationUnit unit = toUnit(element); - if (unit != null) units.put(unit, null); - } - - List<JavacAST> asts = new ArrayList<JavacAST>(); - - for (JCCompilationUnit unit : units.keySet()) asts.add( - new JavacAST(trees, processingEnv.getMessager(), processingEnv.getContext(), unit)); - - handlers.skipPrintAST(); - for (JavacAST ast : asts) { - ast.traverse(new AnnotationVisitor()); - handlers.callASTVisitors(ast); - } - - handlers.skipAllButPrintAST(); - for (JavacAST ast : asts) { - ast.traverse(new AnnotationVisitor()); - } - return false; - } - - private class AnnotationVisitor extends JavacASTAdapter { - @Override public void visitAnnotationOnType(JCClassDecl type, JavacNode annotationNode, JCAnnotation annotation) { - if (annotationNode.isHandled()) return; - JCCompilationUnit top = (JCCompilationUnit) annotationNode.top().get(); - boolean handled = handlers.handleAnnotation(top, annotationNode, annotation); - if (handled) annotationNode.setHandled(); - } - - @Override public void visitAnnotationOnField(JCVariableDecl field, JavacNode annotationNode, JCAnnotation annotation) { - if (annotationNode.isHandled()) return; - JCCompilationUnit top = (JCCompilationUnit) annotationNode.top().get(); - boolean handled = handlers.handleAnnotation(top, annotationNode, annotation); - if (handled) annotationNode.setHandled(); - } - - @Override public void visitAnnotationOnMethod(JCMethodDecl method, JavacNode annotationNode, JCAnnotation annotation) { - if (annotationNode.isHandled()) return; - JCCompilationUnit top = (JCCompilationUnit) annotationNode.top().get(); - boolean handled = handlers.handleAnnotation(top, annotationNode, annotation); - if (handled) annotationNode.setHandled(); - } - - @Override public void visitAnnotationOnMethodArgument(JCVariableDecl argument, JCMethodDecl method, JavacNode annotationNode, JCAnnotation annotation) { - if (annotationNode.isHandled()) return; - JCCompilationUnit top = (JCCompilationUnit) annotationNode.top().get(); - boolean handled = handlers.handleAnnotation(top, annotationNode, annotation); - if (handled) annotationNode.setHandled(); - } - - @Override public void visitAnnotationOnLocal(JCVariableDecl local, JavacNode annotationNode, JCAnnotation annotation) { - if (annotationNode.isHandled()) return; - JCCompilationUnit top = (JCCompilationUnit) annotationNode.top().get(); - boolean handled = handlers.handleAnnotation(top, annotationNode, annotation); - if (handled) annotationNode.setHandled(); - } - } - - private JCCompilationUnit toUnit(Element element) { - TreePath path = trees == null ? null : trees.getPath(element); - if (path == null) return null; - - return (JCCompilationUnit) path.getCompilationUnit(); - } -} diff --git a/src/lombok/javac/apt/package-info.java b/src/lombok/javac/apt/package-info.java deleted file mode 100644 index 0c47c40f..00000000 --- a/src/lombok/javac/apt/package-info.java +++ /dev/null @@ -1,26 +0,0 @@ -/* - * 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. - */ - -/** - * Contains the mechanism that instruments javac as an annotation processor. - */ -package lombok.javac.apt; diff --git a/src/lombok/javac/handlers/HandleCleanup.java b/src/lombok/javac/handlers/HandleCleanup.java deleted file mode 100644 index 88a8e1d7..00000000 --- a/src/lombok/javac/handlers/HandleCleanup.java +++ /dev/null @@ -1,147 +0,0 @@ -/* - * 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.handlers; - -import lombok.Cleanup; -import lombok.core.AnnotationValues; -import lombok.core.AST.Kind; -import lombok.javac.JavacAnnotationHandler; -import lombok.javac.JavacNode; - -import org.mangosdk.spi.ProviderFor; - -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.JCAssign; -import com.sun.tools.javac.tree.JCTree.JCBlock; -import com.sun.tools.javac.tree.JCTree.JCCase; -import com.sun.tools.javac.tree.JCTree.JCCatch; -import com.sun.tools.javac.tree.JCTree.JCExpression; -import com.sun.tools.javac.tree.JCTree.JCExpressionStatement; -import com.sun.tools.javac.tree.JCTree.JCFieldAccess; -import com.sun.tools.javac.tree.JCTree.JCIdent; -import com.sun.tools.javac.tree.JCTree.JCMethodDecl; -import com.sun.tools.javac.tree.JCTree.JCStatement; -import com.sun.tools.javac.tree.JCTree.JCTypeCast; -import com.sun.tools.javac.tree.JCTree.JCVariableDecl; -import com.sun.tools.javac.util.List; -import com.sun.tools.javac.util.Name; - -/** - * Handles the {@code lombok.Cleanup} annotation for javac. - */ -@ProviderFor(JavacAnnotationHandler.class) -public class HandleCleanup implements JavacAnnotationHandler<Cleanup> { - @Override public boolean handle(AnnotationValues<Cleanup> annotation, JCAnnotation ast, JavacNode annotationNode) { - String cleanupName = annotation.getInstance().value(); - if (cleanupName.length() == 0) { - annotationNode.addError("cleanupName cannot be the empty string."); - return true; - } - - if (annotationNode.up().getKind() != Kind.LOCAL) { - annotationNode.addError("@Cleanup is legal only on local variable declarations."); - return true; - } - - JCVariableDecl decl = (JCVariableDecl)annotationNode.up().get(); - - if (decl.init == null) { - annotationNode.addError("@Cleanup variable declarations need to be initialized."); - return true; - } - - JavacNode ancestor = annotationNode.up().directUp(); - JCTree blockNode = ancestor.get(); - - final List<JCStatement> statements; - if (blockNode instanceof JCBlock) { - statements = ((JCBlock)blockNode).stats; - } else if (blockNode instanceof JCCase) { - statements = ((JCCase)blockNode).stats; - } else if (blockNode instanceof JCMethodDecl) { - statements = ((JCMethodDecl)blockNode).body.stats; - } else { - annotationNode.addError("@Cleanup is legal only on a local variable declaration inside a block."); - return true; - } - - boolean seenDeclaration = false; - List<JCStatement> tryBlock = List.nil(); - List<JCStatement> newStatements = List.nil(); - for (JCStatement statement : statements) { - if (!seenDeclaration) { - if (statement == decl) seenDeclaration = true; - newStatements = newStatements.append(statement); - } else { - tryBlock = tryBlock.append(statement); - } - } - - if (!seenDeclaration) { - annotationNode.addError("LOMBOK BUG: Can't find this local variable declaration inside its parent."); - return true; - } - - doAssignmentCheck(annotationNode, tryBlock, decl.name); - - TreeMaker maker = annotationNode.getTreeMaker(); - JCFieldAccess cleanupCall = maker.Select(maker.Ident(decl.name), annotationNode.toName(cleanupName)); - List<JCStatement> finalizerBlock = List.<JCStatement>of(maker.Exec( - maker.Apply(List.<JCExpression>nil(), cleanupCall, List.<JCExpression>nil()))); - - JCBlock finalizer = maker.Block(0, finalizerBlock); - newStatements = newStatements.append(maker.Try(maker.Block(0, tryBlock), List.<JCCatch>nil(), finalizer)); - - if (blockNode instanceof JCBlock) { - ((JCBlock)blockNode).stats = newStatements; - } else if (blockNode instanceof JCCase) { - ((JCCase)blockNode).stats = newStatements; - } else if (blockNode instanceof JCMethodDecl) { - ((JCMethodDecl)blockNode).body.stats = newStatements; - } else throw new AssertionError("Should not get here"); - - ancestor.rebuild(); - - return true; - } - - private void doAssignmentCheck(JavacNode node, List<JCStatement> statements, Name name) { - for (JCStatement statement : statements) doAssignmentCheck0(node, statement, name); - } - - private void doAssignmentCheck0(JavacNode node, JCTree statement, Name name) { - if (statement instanceof JCAssign) doAssignmentCheck0(node, ((JCAssign)statement).rhs, name); - if (statement instanceof JCExpressionStatement) doAssignmentCheck0(node, - ((JCExpressionStatement)statement).expr, name); - if (statement instanceof JCVariableDecl) doAssignmentCheck0(node, ((JCVariableDecl)statement).init, name); - if (statement instanceof JCTypeCast) doAssignmentCheck0(node, ((JCTypeCast)statement).expr, name); - if (statement instanceof JCIdent) { - if (((JCIdent)statement).name.contentEquals(name)) { - JavacNode problemNode = node.getNodeFor(statement); - if (problemNode != null) problemNode.addWarning( - "You're assigning an auto-cleanup variable to something else. This is a bad idea."); - } - } - } -} diff --git a/src/lombok/javac/handlers/HandleData.java b/src/lombok/javac/handlers/HandleData.java deleted file mode 100644 index eef7f78d..00000000 --- a/src/lombok/javac/handlers/HandleData.java +++ /dev/null @@ -1,186 +0,0 @@ -/* - * 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.handlers; - -import static lombok.javac.handlers.JavacHandlerUtil.*; - -import java.lang.reflect.Modifier; - -import lombok.Data; -import lombok.core.AnnotationValues; -import lombok.core.TransformationsUtil; -import lombok.core.AST.Kind; -import lombok.javac.JavacAnnotationHandler; -import lombok.javac.JavacNode; -import lombok.javac.handlers.JavacHandlerUtil.MemberExistsResult; - -import org.mangosdk.spi.ProviderFor; - -import com.sun.tools.javac.code.Flags; -import com.sun.tools.javac.tree.TreeMaker; -import com.sun.tools.javac.tree.JCTree.JCAnnotation; -import com.sun.tools.javac.tree.JCTree.JCAssign; -import com.sun.tools.javac.tree.JCTree.JCBlock; -import com.sun.tools.javac.tree.JCTree.JCClassDecl; -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.JCMethodDecl; -import com.sun.tools.javac.tree.JCTree.JCModifiers; -import com.sun.tools.javac.tree.JCTree.JCReturn; -import com.sun.tools.javac.tree.JCTree.JCStatement; -import com.sun.tools.javac.tree.JCTree.JCTypeApply; -import com.sun.tools.javac.tree.JCTree.JCTypeParameter; -import com.sun.tools.javac.tree.JCTree.JCVariableDecl; -import com.sun.tools.javac.util.List; - -/** - * Handles the {@code lombok.Data} annotation for javac. - */ -@ProviderFor(JavacAnnotationHandler.class) -public class HandleData implements JavacAnnotationHandler<Data> { - @Override public boolean handle(AnnotationValues<Data> annotation, JCAnnotation ast, JavacNode annotationNode) { - JavacNode typeNode = annotationNode.up(); - JCClassDecl typeDecl = null; - if (typeNode.get() instanceof JCClassDecl) typeDecl = (JCClassDecl)typeNode.get(); - long flags = typeDecl == null ? 0 : typeDecl.mods.flags; - boolean notAClass = (flags & (Flags.INTERFACE | Flags.ENUM | Flags.ANNOTATION)) != 0; - - if (typeDecl == null || notAClass) { - annotationNode.addError("@Data is only supported on a class."); - return false; - } - - List<JavacNode> nodesForConstructor = List.nil(); - for (JavacNode child : typeNode.down()) { - if (child.getKind() != Kind.FIELD) continue; - JCVariableDecl fieldDecl = (JCVariableDecl) child.get(); - //Skip fields that start with $ - if (fieldDecl.name.toString().startsWith("$")) continue; - long fieldFlags = fieldDecl.mods.flags; - //Skip static fields. - if ((fieldFlags & Flags.STATIC) != 0) continue; - boolean isFinal = (fieldFlags & Flags.FINAL) != 0; - boolean isNonNull = !findAnnotations(child, TransformationsUtil.NON_NULL_PATTERN).isEmpty(); - if ((isFinal || isNonNull) && fieldDecl.init == null) nodesForConstructor = nodesForConstructor.append(child); - new HandleGetter().generateGetterForField(child, annotationNode.get()); - if (!isFinal) new HandleSetter().generateSetterForField(child, annotationNode.get()); - } - - new HandleToString().generateToStringForType(typeNode, annotationNode); - new HandleEqualsAndHashCode().generateEqualsAndHashCodeForType(typeNode, annotationNode); - - String staticConstructorName = annotation.getInstance().staticConstructor(); - - if (constructorExists(typeNode) == MemberExistsResult.NOT_EXISTS) { - JCMethodDecl constructor = createConstructor(staticConstructorName.equals(""), typeNode, nodesForConstructor); - injectMethod(typeNode, constructor); - } - - if (!staticConstructorName.isEmpty() && methodExists("of", typeNode) == MemberExistsResult.NOT_EXISTS) { - JCMethodDecl staticConstructor = createStaticConstructor(staticConstructorName, typeNode, nodesForConstructor); - injectMethod(typeNode, staticConstructor); - } - - return true; - } - - private JCMethodDecl createConstructor(boolean isPublic, JavacNode typeNode, List<JavacNode> fields) { - TreeMaker maker = typeNode.getTreeMaker(); - JCClassDecl type = (JCClassDecl) typeNode.get(); - - List<JCStatement> nullChecks = List.nil(); - List<JCStatement> assigns = List.nil(); - List<JCVariableDecl> params = List.nil(); - - for (JavacNode fieldNode : fields) { - JCVariableDecl field = (JCVariableDecl) fieldNode.get(); - List<JCAnnotation> nonNulls = findAnnotations(fieldNode, TransformationsUtil.NON_NULL_PATTERN); - List<JCAnnotation> nullables = findAnnotations(fieldNode, TransformationsUtil.NULLABLE_PATTERN); - JCVariableDecl param = maker.VarDef(maker.Modifiers(Flags.FINAL, nonNulls.appendList(nullables)), field.name, field.vartype, null); - params = params.append(param); - JCFieldAccess thisX = maker.Select(maker.Ident(fieldNode.toName("this")), field.name); - JCAssign assign = maker.Assign(thisX, maker.Ident(field.name)); - assigns = assigns.append(maker.Exec(assign)); - - if (!nonNulls.isEmpty()) { - JCStatement nullCheck = generateNullCheck(maker, fieldNode); - if (nullCheck != null) nullChecks = nullChecks.append(nullCheck); - } - } - - JCModifiers mods = maker.Modifiers(isPublic ? Modifier.PUBLIC : Modifier.PRIVATE); - return maker.MethodDef(mods, typeNode.toName("<init>"), - null, type.typarams, params, List.<JCExpression>nil(), maker.Block(0L, nullChecks.appendList(assigns)), null); - } - - private JCMethodDecl createStaticConstructor(String name, JavacNode typeNode, List<JavacNode> fields) { - TreeMaker maker = typeNode.getTreeMaker(); - JCClassDecl type = (JCClassDecl) typeNode.get(); - - JCModifiers mods = maker.Modifiers(Flags.STATIC | Flags.PUBLIC); - - JCExpression returnType, constructorType; - - List<JCTypeParameter> typeParams = List.nil(); - List<JCVariableDecl> params = List.nil(); - List<JCExpression> typeArgs1 = List.nil(); - List<JCExpression> typeArgs2 = List.nil(); - List<JCExpression> args = List.nil(); - - if (!type.typarams.isEmpty()) { - for (JCTypeParameter param : type.typarams) { - typeArgs1 = typeArgs1.append(maker.Ident(param.name)); - typeArgs2 = typeArgs2.append(maker.Ident(param.name)); - typeParams = typeParams.append(maker.TypeParameter(param.name, param.bounds)); - } - returnType = maker.TypeApply(maker.Ident(type.name), typeArgs1); - constructorType = maker.TypeApply(maker.Ident(type.name), typeArgs2); - } else { - returnType = maker.Ident(type.name); - constructorType = maker.Ident(type.name); - } - - for (JavacNode fieldNode : fields) { - JCVariableDecl field = (JCVariableDecl) fieldNode.get(); - JCExpression pType; - if (field.vartype instanceof JCIdent) pType = maker.Ident(((JCIdent)field.vartype).name); - else if (field.vartype instanceof JCTypeApply) { - JCTypeApply typeApply = (JCTypeApply) field.vartype; - List<JCExpression> tArgs = List.nil(); - for (JCExpression arg : typeApply.arguments) tArgs = tArgs.append(arg); - pType = maker.TypeApply(typeApply.clazz, tArgs); - } else { - pType = field.vartype; - } - List<JCAnnotation> nonNulls = findAnnotations(fieldNode, TransformationsUtil.NON_NULL_PATTERN); - List<JCAnnotation> nullables = findAnnotations(fieldNode, TransformationsUtil.NULLABLE_PATTERN); - JCVariableDecl param = maker.VarDef(maker.Modifiers(Flags.FINAL, nonNulls.appendList(nullables)), field.name, pType, null); - params = params.append(param); - args = args.append(maker.Ident(field.name)); - } - JCReturn returnStatement = maker.Return(maker.NewClass(null, List.<JCExpression>nil(), constructorType, args, null)); - JCBlock body = maker.Block(0, List.<JCStatement>of(returnStatement)); - - return maker.MethodDef(mods, typeNode.toName(name), returnType, typeParams, params, List.<JCExpression>nil(), body, null); - } -} diff --git a/src/lombok/javac/handlers/HandleEqualsAndHashCode.java b/src/lombok/javac/handlers/HandleEqualsAndHashCode.java deleted file mode 100644 index 61a4ef63..00000000 --- a/src/lombok/javac/handlers/HandleEqualsAndHashCode.java +++ /dev/null @@ -1,447 +0,0 @@ -/* - * 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.handlers; - -import static lombok.javac.handlers.JavacHandlerUtil.*; -import lombok.EqualsAndHashCode; -import lombok.core.AnnotationValues; -import lombok.core.AST.Kind; -import lombok.javac.Javac; -import lombok.javac.JavacAnnotationHandler; -import lombok.javac.JavacNode; - -import org.mangosdk.spi.ProviderFor; - -import com.sun.tools.javac.code.BoundKind; -import com.sun.tools.javac.code.Flags; -import com.sun.tools.javac.code.TypeTags; -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.JCArrayTypeTree; -import com.sun.tools.javac.tree.JCTree.JCBinary; -import com.sun.tools.javac.tree.JCTree.JCBlock; -import com.sun.tools.javac.tree.JCTree.JCClassDecl; -import com.sun.tools.javac.tree.JCTree.JCExpression; -import com.sun.tools.javac.tree.JCTree.JCMethodDecl; -import com.sun.tools.javac.tree.JCTree.JCMethodInvocation; -import com.sun.tools.javac.tree.JCTree.JCModifiers; -import com.sun.tools.javac.tree.JCTree.JCPrimitiveTypeTree; -import com.sun.tools.javac.tree.JCTree.JCStatement; -import com.sun.tools.javac.tree.JCTree.JCTypeParameter; -import com.sun.tools.javac.tree.JCTree.JCUnary; -import com.sun.tools.javac.tree.JCTree.JCVariableDecl; -import com.sun.tools.javac.util.List; -import com.sun.tools.javac.util.Name; - -/** - * Handles the {@code lombok.EqualsAndHashCode} annotation for javac. - */ -@ProviderFor(JavacAnnotationHandler.class) -public class HandleEqualsAndHashCode implements JavacAnnotationHandler<EqualsAndHashCode> { - private void checkForBogusFieldNames(JavacNode type, AnnotationValues<EqualsAndHashCode> annotation) { - if (annotation.isExplicit("exclude")) { - for (int i : createListOfNonExistentFields(List.from(annotation.getInstance().exclude()), type, true, true)) { - annotation.setWarning("exclude", "This field does not exist, or would have been excluded anyway.", i); - } - } - if (annotation.isExplicit("of")) { - for (int i : createListOfNonExistentFields(List.from(annotation.getInstance().of()), type, false, false)) { - annotation.setWarning("of", "This field does not exist.", i); - } - } - } - - @Override public boolean handle(AnnotationValues<EqualsAndHashCode> annotation, JCAnnotation ast, JavacNode annotationNode) { - EqualsAndHashCode ann = annotation.getInstance(); - List<String> excludes = List.from(ann.exclude()); - List<String> includes = List.from(ann.of()); - JavacNode typeNode = annotationNode.up(); - - checkForBogusFieldNames(typeNode, annotation); - - Boolean callSuper = ann.callSuper(); - if (!annotation.isExplicit("callSuper")) callSuper = null; - if (!annotation.isExplicit("exclude")) excludes = null; - if (!annotation.isExplicit("of")) includes = null; - - if (excludes != null && includes != null) { - excludes = null; - annotation.setWarning("exclude", "exclude and of are mutually exclusive; the 'exclude' parameter will be ignored."); - } - - return generateMethods(typeNode, annotationNode, excludes, includes, callSuper, true); - } - - public void generateEqualsAndHashCodeForType(JavacNode typeNode, JavacNode errorNode) { - for (JavacNode child : typeNode.down()) { - if (child.getKind() == Kind.ANNOTATION) { - if (Javac.annotationTypeMatches(EqualsAndHashCode.class, child)) { - //The annotation will make it happen, so we can skip it. - return; - } - } - } - - generateMethods(typeNode, errorNode, null, null, null, false); - } - - private boolean generateMethods(JavacNode typeNode, JavacNode errorNode, List<String> excludes, List<String> includes, - Boolean callSuper, boolean whineIfExists) { - boolean notAClass = true; - if (typeNode.get() instanceof JCClassDecl) { - long flags = ((JCClassDecl)typeNode.get()).mods.flags; - notAClass = (flags & (Flags.INTERFACE | Flags.ANNOTATION | Flags.ENUM)) != 0; - } - - if (notAClass) { - errorNode.addError("@EqualsAndHashCode is only supported on a class."); - return false; - } - - boolean isDirectDescendantOfObject = true; - boolean implicitCallSuper = callSuper == null; - if (callSuper == null) { - try { - callSuper = ((Boolean)EqualsAndHashCode.class.getMethod("callSuper").getDefaultValue()).booleanValue(); - } catch (Exception ignore) { - throw new InternalError("Lombok bug - this cannot happen - can't find callSuper field in EqualsAndHashCode annotation."); - } - } - - JCTree extending = ((JCClassDecl)typeNode.get()).extending; - if (extending != null) { - String p = extending.toString(); - isDirectDescendantOfObject = p.equals("Object") || p.equals("java.lang.Object"); - } - - if (isDirectDescendantOfObject && callSuper) { - errorNode.addError("Generating equals/hashCode with a supercall to java.lang.Object is pointless."); - return true; - } - - if (!isDirectDescendantOfObject && !callSuper && implicitCallSuper) { - errorNode.addWarning("Generating equals/hashCode implementation but without a call to superclass, even though this class does not extend java.lang.Object. If this is intentional, add '@EqualsAndHashCode(callSuper=false)' to your type."); - } - - List<JavacNode> nodesForEquality = List.nil(); - if (includes != null) { - for (JavacNode child : typeNode.down()) { - if (child.getKind() != Kind.FIELD) continue; - JCVariableDecl fieldDecl = (JCVariableDecl) child.get(); - if (includes.contains(fieldDecl.name.toString())) nodesForEquality = nodesForEquality.append(child); - } - } else { - for (JavacNode child : typeNode.down()) { - if (child.getKind() != Kind.FIELD) continue; - JCVariableDecl fieldDecl = (JCVariableDecl) child.get(); - //Skip static fields. - if ((fieldDecl.mods.flags & Flags.STATIC) != 0) continue; - //Skip transient fields. - if ((fieldDecl.mods.flags & Flags.TRANSIENT) != 0) continue; - //Skip excluded fields. - if (excludes != null && excludes.contains(fieldDecl.name.toString())) continue; - //Skip fields that start with $ - if (fieldDecl.name.toString().startsWith("$")) continue; - nodesForEquality = nodesForEquality.append(child); - } - } - - switch (methodExists("hashCode", typeNode)) { - case NOT_EXISTS: - JCMethodDecl method = createHashCode(typeNode, nodesForEquality, callSuper); - injectMethod(typeNode, method); - break; - case EXISTS_BY_LOMBOK: - break; - default: - case EXISTS_BY_USER: - if (whineIfExists) { - errorNode.addWarning("Not generating hashCode(): A method with that name already exists"); - } - break; - } - - switch (methodExists("equals", typeNode)) { - case NOT_EXISTS: - JCMethodDecl method = createEquals(typeNode, nodesForEquality, callSuper); - injectMethod(typeNode, method); - break; - case EXISTS_BY_LOMBOK: - break; - default: - case EXISTS_BY_USER: - if (whineIfExists) { - errorNode.addWarning("Not generating equals(Object other): A method with that name already exists"); - } - break; - } - - return true; - } - - private JCMethodDecl createHashCode(JavacNode typeNode, List<JavacNode> fields, boolean callSuper) { - TreeMaker maker = typeNode.getTreeMaker(); - - JCAnnotation overrideAnnotation = maker.Annotation(chainDots(maker, typeNode, "java", "lang", "Override"), List.<JCExpression>nil()); - JCModifiers mods = maker.Modifiers(Flags.PUBLIC, List.of(overrideAnnotation)); - JCExpression returnType = maker.TypeIdent(TypeTags.INT); - List<JCStatement> statements = List.nil(); - - Name primeName = typeNode.toName("PRIME"); - Name resultName = typeNode.toName("result"); - /* final int PRIME = 31; */ { - if (!fields.isEmpty() || callSuper) { - statements = statements.append(maker.VarDef(maker.Modifiers(Flags.FINAL), - primeName, maker.TypeIdent(TypeTags.INT), maker.Literal(31))); - } - } - - /* int result = 1; */ { - statements = statements.append(maker.VarDef(maker.Modifiers(0), resultName, maker.TypeIdent(TypeTags.INT), maker.Literal(1))); - } - - List<JCExpression> intoResult = List.nil(); - - if (callSuper) { - JCMethodInvocation callToSuper = maker.Apply(List.<JCExpression>nil(), - maker.Select(maker.Ident(typeNode.toName("super")), typeNode.toName("hashCode")), - List.<JCExpression>nil()); - intoResult = intoResult.append(callToSuper); - } - - int tempCounter = 0; - for (JavacNode fieldNode : fields) { - JCVariableDecl field = (JCVariableDecl) fieldNode.get(); - JCExpression fType = field.vartype; - JCExpression thisDotField = maker.Select(maker.Ident(typeNode.toName("this")), field.name); - JCExpression thisDotFieldClone = maker.Select(maker.Ident(typeNode.toName("this")), field.name); - if (fType instanceof JCPrimitiveTypeTree) { - switch (((JCPrimitiveTypeTree)fType).getPrimitiveTypeKind()) { - case BOOLEAN: - /* this.fieldName ? 1231 : 1237 */ - intoResult = intoResult.append(maker.Conditional(thisDotField, maker.Literal(1231), maker.Literal(1237))); - break; - case LONG: - intoResult = intoResult.append(longToIntForHashCode(maker, thisDotField, thisDotFieldClone)); - break; - case FLOAT: - /* Float.floatToIntBits(this.fieldName) */ - intoResult = intoResult.append(maker.Apply( - List.<JCExpression>nil(), - chainDots(maker, typeNode, "java", "lang", "Float", "floatToIntBits"), - List.of(thisDotField))); - break; - case DOUBLE: - /* longToIntForHashCode(Double.doubleToLongBits(this.fieldName)) */ - Name tempVar = typeNode.toName("temp" + (++tempCounter)); - JCExpression init = maker.Apply( - List.<JCExpression>nil(), - chainDots(maker, typeNode, "java", "lang", "Double", "doubleToLongBits"), - List.of(thisDotField)); - statements = statements.append( - maker.VarDef(maker.Modifiers(Flags.FINAL), tempVar, maker.TypeIdent(TypeTags.LONG), init)); - intoResult = intoResult.append(longToIntForHashCode(maker, maker.Ident(tempVar), maker.Ident(tempVar))); - break; - default: - case BYTE: - case SHORT: - case INT: - case CHAR: - /* just the field */ - intoResult = intoResult.append(thisDotField); - break; - } - } else if (fType instanceof JCArrayTypeTree) { - /* java.util.Arrays.deepHashCode(this.fieldName) //use just hashCode() for primitive arrays. */ - boolean multiDim = ((JCArrayTypeTree)fType).elemtype instanceof JCArrayTypeTree; - boolean primitiveArray = ((JCArrayTypeTree)fType).elemtype instanceof JCPrimitiveTypeTree; - boolean useDeepHC = multiDim || !primitiveArray; - - JCExpression hcMethod = chainDots(maker, typeNode, "java", "util", "Arrays", useDeepHC ? "deepHashCode" : "hashCode"); - intoResult = intoResult.append( - maker.Apply(List.<JCExpression>nil(), hcMethod, List.of(thisDotField))); - } else /* objects */ { - /* this.fieldName == null ? 0 : this.fieldName.hashCode() */ - JCExpression hcCall = maker.Apply(List.<JCExpression>nil(), maker.Select(thisDotField, typeNode.toName("hashCode")), - List.<JCExpression>nil()); - JCExpression thisEqualsNull = maker.Binary(JCTree.EQ, thisDotField, maker.Literal(TypeTags.BOT, null)); - intoResult = intoResult.append( - maker.Conditional(thisEqualsNull, maker.Literal(0), hcCall)); - } - } - - /* fold each intoResult entry into: - result = result * PRIME + (item); */ - for (JCExpression expr : intoResult) { - JCExpression mult = maker.Binary(JCTree.MUL, maker.Ident(resultName), maker.Ident(primeName)); - JCExpression add = maker.Binary(JCTree.PLUS, mult, expr); - statements = statements.append(maker.Exec(maker.Assign(maker.Ident(resultName), add))); - } - - /* return result; */ { - statements = statements.append(maker.Return(maker.Ident(resultName))); - } - - JCBlock body = maker.Block(0, statements); - return maker.MethodDef(mods, typeNode.toName("hashCode"), returnType, - List.<JCTypeParameter>nil(), List.<JCVariableDecl>nil(), List.<JCExpression>nil(), body, null); - } - - /** The 2 references must be clones of each other. */ - private JCExpression longToIntForHashCode(TreeMaker maker, JCExpression ref1, JCExpression ref2) { - /* (int)(ref >>> 32 ^ ref) */ - JCExpression shift = maker.Binary(JCTree.USR, ref1, maker.Literal(32)); - JCExpression xorBits = maker.Binary(JCTree.BITXOR, shift, ref2); - return maker.TypeCast(maker.TypeIdent(TypeTags.INT), xorBits); - } - - private JCMethodDecl createEquals(JavacNode typeNode, List<JavacNode> fields, boolean callSuper) { - TreeMaker maker = typeNode.getTreeMaker(); - JCClassDecl type = (JCClassDecl) typeNode.get(); - - Name oName = typeNode.toName("o"); - Name otherName = typeNode.toName("other"); - Name thisName = typeNode.toName("this"); - - JCAnnotation overrideAnnotation = maker.Annotation(chainDots(maker, typeNode, "java", "lang", "Override"), List.<JCExpression>nil()); - JCModifiers mods = maker.Modifiers(Flags.PUBLIC, List.of(overrideAnnotation)); - JCExpression objectType = maker.Type(typeNode.getSymbolTable().objectType); - JCExpression returnType = maker.TypeIdent(TypeTags.BOOLEAN); - - List<JCStatement> statements = List.nil(); - List<JCVariableDecl> params = List.of(maker.VarDef(maker.Modifiers(Flags.FINAL), oName, objectType, null)); - - /* if (o == this) return true; */ { - statements = statements.append(maker.If(maker.Binary(JCTree.EQ, maker.Ident(oName), - maker.Ident(thisName)), returnBool(maker, true), null)); - } - - /* if (o == null) return false; */ { - statements = statements.append(maker.If(maker.Binary(JCTree.EQ, maker.Ident(oName), - maker.Literal(TypeTags.BOT, null)), returnBool(maker, false), null)); - } - - /* if (o.getClass() != this.getClass()) return false; */ { - Name getClass = typeNode.toName("getClass"); - List<JCExpression> exprNil = List.nil(); - JCExpression oGetClass = maker.Apply(exprNil, maker.Select(maker.Ident(oName), getClass), exprNil); - JCExpression thisGetClass = maker.Apply(exprNil, maker.Select(maker.Ident(thisName), getClass), exprNil); - statements = statements.append( - maker.If(maker.Binary(JCTree.NE, oGetClass, thisGetClass), returnBool(maker, false), null)); - } - - /* if (!super.equals(o)) return false; */ - if (callSuper) { - JCMethodInvocation callToSuper = maker.Apply(List.<JCExpression>nil(), - maker.Select(maker.Ident(typeNode.toName("super")), typeNode.toName("equals")), - List.<JCExpression>of(maker.Ident(oName))); - JCUnary superNotEqual = maker.Unary(JCTree.NOT, callToSuper); - statements = statements.append(maker.If(superNotEqual, returnBool(maker, false), null)); - } - - /* MyType<?> other = (MyType<?>) o; */ { - final JCExpression selfType1, selfType2; - List<JCExpression> wildcards1 = List.nil(); - List<JCExpression> wildcards2 = List.nil(); - for (int i = 0 ; i < type.typarams.length() ; i++) { - wildcards1 = wildcards1.append(maker.Wildcard(maker.TypeBoundKind(BoundKind.UNBOUND), null)); - wildcards2 = wildcards2.append(maker.Wildcard(maker.TypeBoundKind(BoundKind.UNBOUND), null)); - } - - if (type.typarams.isEmpty()) { - selfType1 = maker.Ident(type.name); - selfType2 = maker.Ident(type.name); - } else { - selfType1 = maker.TypeApply(maker.Ident(type.name), wildcards1); - selfType2 = maker.TypeApply(maker.Ident(type.name), wildcards2); - } - - statements = statements.append( - maker.VarDef(maker.Modifiers(Flags.FINAL), otherName, selfType1, maker.TypeCast(selfType2, maker.Ident(oName)))); - } - - for (JavacNode fieldNode : fields) { - JCVariableDecl field = (JCVariableDecl) fieldNode.get(); - JCExpression fType = field.vartype; - JCExpression thisDotField = maker.Select(maker.Ident(thisName), field.name); - JCExpression otherDotField = maker.Select(maker.Ident(otherName), field.name); - if (fType instanceof JCPrimitiveTypeTree) { - switch (((JCPrimitiveTypeTree)fType).getPrimitiveTypeKind()) { - case FLOAT: - /* if (Float.compare(this.fieldName, other.fieldName) != 0) return false; */ - statements = statements.append(generateCompareFloatOrDouble(thisDotField, otherDotField, maker, typeNode, false)); - break; - case DOUBLE: - /* if (Double(this.fieldName, other.fieldName) != 0) return false; */ - statements = statements.append(generateCompareFloatOrDouble(thisDotField, otherDotField, maker, typeNode, true)); - break; - default: - /* if (this.fieldName != other.fieldName) return false; */ - statements = statements.append( - maker.If(maker.Binary(JCTree.NE, thisDotField, otherDotField), returnBool(maker, false), null)); - break; - } - } else if (fType instanceof JCArrayTypeTree) { - /* if (!java.util.Arrays.deepEquals(this.fieldName, other.fieldName)) return false; //use equals for primitive arrays. */ - boolean multiDim = ((JCArrayTypeTree)fType).elemtype instanceof JCArrayTypeTree; - boolean primitiveArray = ((JCArrayTypeTree)fType).elemtype instanceof JCPrimitiveTypeTree; - boolean useDeepEquals = multiDim || !primitiveArray; - - JCExpression eqMethod = chainDots(maker, typeNode, "java", "util", "Arrays", useDeepEquals ? "deepEquals" : "equals"); - List<JCExpression> args = List.of(thisDotField, otherDotField); - statements = statements.append(maker.If(maker.Unary(JCTree.NOT, - maker.Apply(List.<JCExpression>nil(), eqMethod, args)), returnBool(maker, false), null)); - } else /* objects */ { - /* if (this.fieldName == null ? other.fieldName != null : !this.fieldName.equals(other.fieldName)) return false; */ - JCExpression thisEqualsNull = maker.Binary(JCTree.EQ, thisDotField, maker.Literal(TypeTags.BOT, null)); - JCExpression otherNotEqualsNull = maker.Binary(JCTree.NE, otherDotField, maker.Literal(TypeTags.BOT, null)); - JCExpression thisEqualsThat = maker.Apply( - List.<JCExpression>nil(), maker.Select(thisDotField, typeNode.toName("equals")), List.of(otherDotField)); - JCExpression fieldsAreNotEqual = maker.Conditional(thisEqualsNull, otherNotEqualsNull, maker.Unary(JCTree.NOT, thisEqualsThat)); - statements = statements.append(maker.If(fieldsAreNotEqual, returnBool(maker, false), null)); - } - } - - /* return true; */ { - statements = statements.append(returnBool(maker, true)); - } - - JCBlock body = maker.Block(0, statements); - return maker.MethodDef(mods, typeNode.toName("equals"), returnType, List.<JCTypeParameter>nil(), params, List.<JCExpression>nil(), body, null); - } - - private JCStatement generateCompareFloatOrDouble(JCExpression thisDotField, JCExpression otherDotField, - TreeMaker maker, JavacNode node, boolean isDouble) { - /* if (Float.compare(fieldName, other.fieldName) != 0) return false; */ - JCExpression clazz = chainDots(maker, node, "java", "lang", isDouble ? "Double" : "Float"); - List<JCExpression> args = List.of(thisDotField, otherDotField); - JCBinary compareCallEquals0 = maker.Binary(JCTree.NE, maker.Apply( - List.<JCExpression>nil(), maker.Select(clazz, node.toName("compare")), args), maker.Literal(0)); - return maker.If(compareCallEquals0, returnBool(maker, false), null); - } - - private JCStatement returnBool(TreeMaker maker, boolean bool) { - return maker.Return(maker.Literal(TypeTags.BOOLEAN, bool ? 1 : 0)); - } - -} diff --git a/src/lombok/javac/handlers/HandleGetter.java b/src/lombok/javac/handlers/HandleGetter.java deleted file mode 100644 index e60e426d..00000000 --- a/src/lombok/javac/handlers/HandleGetter.java +++ /dev/null @@ -1,143 +0,0 @@ -/* - * 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.handlers; - -import static lombok.javac.handlers.JavacHandlerUtil.*; -import lombok.AccessLevel; -import lombok.Getter; -import lombok.core.AnnotationValues; -import lombok.core.TransformationsUtil; -import lombok.core.AST.Kind; -import lombok.javac.Javac; -import lombok.javac.JavacAnnotationHandler; -import lombok.javac.JavacNode; - -import org.mangosdk.spi.ProviderFor; - -import com.sun.tools.javac.code.Flags; -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.JCExpression; -import com.sun.tools.javac.tree.JCTree.JCMethodDecl; -import com.sun.tools.javac.tree.JCTree.JCStatement; -import com.sun.tools.javac.tree.JCTree.JCTypeParameter; -import com.sun.tools.javac.tree.JCTree.JCVariableDecl; -import com.sun.tools.javac.util.List; -import com.sun.tools.javac.util.Name; -import com.sun.tools.javac.util.JCDiagnostic.DiagnosticPosition; - -/** - * Handles the {@code lombok.Getter} annotation for javac. - */ -@ProviderFor(JavacAnnotationHandler.class) -public class HandleGetter implements JavacAnnotationHandler<Getter> { - /** - * Generates a getter on the stated field. - * - * Used by {@link HandleData}. - * - * The difference between this call and the handle method is as follows: - * - * If there is a {@code lombok.Getter} annotation on the field, it is used and the - * same rules apply (e.g. warning if the method already exists, stated access level applies). - * If not, the getter is still generated if it isn't already there, though there will not - * be a warning if its already there. The default access level is used. - * - * @param fieldNode The node representing the field you want a getter for. - * @param pos The node responsible for generating the getter (the {@code @Data} or {@code @Getter} annotation). - */ - public void generateGetterForField(JavacNode fieldNode, DiagnosticPosition pos) { - for (JavacNode child : fieldNode.down()) { - if (child.getKind() == Kind.ANNOTATION) { - if (Javac.annotationTypeMatches(Getter.class, child)) { - //The annotation will make it happen, so we can skip it. - return; - } - } - } - - createGetterForField(AccessLevel.PUBLIC, fieldNode, fieldNode, false); - } - - @Override public boolean handle(AnnotationValues<Getter> annotation, JCAnnotation ast, JavacNode annotationNode) { - JavacNode fieldNode = annotationNode.up(); - AccessLevel level = annotation.getInstance().value(); - if (level == AccessLevel.NONE) return true; - - return createGetterForField(level, fieldNode, annotationNode, true); - } - - private boolean createGetterForField(AccessLevel level, - JavacNode fieldNode, JavacNode errorNode, boolean whineIfExists) { - if (fieldNode.getKind() != Kind.FIELD) { - errorNode.addError("@Getter is only supported on a field."); - return true; - } - - JCVariableDecl fieldDecl = (JCVariableDecl)fieldNode.get(); - String methodName = toGetterName(fieldDecl); - - for (String altName : toAllGetterNames(fieldDecl)) { - switch (methodExists(altName, fieldNode)) { - case EXISTS_BY_LOMBOK: - return true; - case EXISTS_BY_USER: - if (whineIfExists) { - String altNameExpl = ""; - if (!altName.equals(methodName)) altNameExpl = String.format(" (%s)", altName); - errorNode.addWarning( - String.format("Not generating %s(): A method with that name already exists%s", methodName, altNameExpl)); - } - return true; - default: - case NOT_EXISTS: - //continue scanning the other alt names. - } - } - - long access = toJavacModifier(level) | (fieldDecl.mods.flags & Flags.STATIC); - - injectMethod(fieldNode.up(), createGetter(access, fieldNode, fieldNode.getTreeMaker())); - - return true; - } - - private JCMethodDecl createGetter(long access, JavacNode field, TreeMaker treeMaker) { - JCVariableDecl fieldNode = (JCVariableDecl) field.get(); - JCStatement returnStatement = treeMaker.Return(treeMaker.Ident(fieldNode.getName())); - - JCBlock methodBody = treeMaker.Block(0, List.of(returnStatement)); - Name methodName = field.toName(toGetterName(fieldNode)); - JCExpression methodType = fieldNode.type != null ? treeMaker.Type(fieldNode.type) : fieldNode.vartype; - - List<JCTypeParameter> methodGenericParams = List.nil(); - List<JCVariableDecl> parameters = List.nil(); - List<JCExpression> throwsClauses = List.nil(); - JCExpression annotationMethodDefaultValue = null; - - List<JCAnnotation> nonNulls = findAnnotations(field, TransformationsUtil.NON_NULL_PATTERN); - List<JCAnnotation> nullables = findAnnotations(field, TransformationsUtil.NULLABLE_PATTERN); - return treeMaker.MethodDef(treeMaker.Modifiers(access, nonNulls.appendList(nullables)), methodName, methodType, - methodGenericParams, parameters, throwsClauses, methodBody, annotationMethodDefaultValue); - } -} diff --git a/src/lombok/javac/handlers/HandlePrintAST.java b/src/lombok/javac/handlers/HandlePrintAST.java deleted file mode 100644 index 4c25694b..00000000 --- a/src/lombok/javac/handlers/HandlePrintAST.java +++ /dev/null @@ -1,57 +0,0 @@ -/* - * 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.handlers; - -import java.io.File; -import java.io.FileNotFoundException; -import java.io.PrintStream; - -import org.mangosdk.spi.ProviderFor; - -import com.sun.tools.javac.tree.JCTree.JCAnnotation; - -import lombok.Lombok; -import lombok.core.AnnotationValues; -import lombok.core.PrintAST; -import lombok.javac.JavacASTVisitor; -import lombok.javac.JavacAnnotationHandler; -import lombok.javac.JavacNode; - -/** - * Handles the {@code lombok.core.PrintAST} annotation for javac. - */ -@ProviderFor(JavacAnnotationHandler.class) -public class HandlePrintAST implements JavacAnnotationHandler<PrintAST> { - @Override public boolean handle(AnnotationValues<PrintAST> annotation, JCAnnotation ast, JavacNode annotationNode) { - PrintStream stream = System.out; - String fileName = annotation.getInstance().outfile(); - if (fileName.length() > 0) try { - stream = new PrintStream(new File(fileName)); - } catch (FileNotFoundException e) { - Lombok.sneakyThrow(e); - } - - annotationNode.up().traverse(new JavacASTVisitor.Printer(annotation.getInstance().printContent(), stream)); - - return true; - } -} diff --git a/src/lombok/javac/handlers/HandleSetter.java b/src/lombok/javac/handlers/HandleSetter.java deleted file mode 100644 index 84032e9c..00000000 --- a/src/lombok/javac/handlers/HandleSetter.java +++ /dev/null @@ -1,153 +0,0 @@ -/* - * 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.handlers; - -import static lombok.javac.handlers.JavacHandlerUtil.*; -import lombok.AccessLevel; -import lombok.Setter; -import lombok.core.AnnotationValues; -import lombok.core.TransformationsUtil; -import lombok.core.AST.Kind; -import lombok.javac.Javac; -import lombok.javac.JavacAnnotationHandler; -import lombok.javac.JavacNode; - -import org.mangosdk.spi.ProviderFor; - -import com.sun.tools.javac.code.Flags; -import com.sun.tools.javac.tree.TreeMaker; -import com.sun.tools.javac.tree.JCTree.JCAnnotation; -import com.sun.tools.javac.tree.JCTree.JCAssign; -import com.sun.tools.javac.tree.JCTree.JCBlock; -import com.sun.tools.javac.tree.JCTree.JCExpression; -import com.sun.tools.javac.tree.JCTree.JCFieldAccess; -import com.sun.tools.javac.tree.JCTree.JCMethodDecl; -import com.sun.tools.javac.tree.JCTree.JCStatement; -import com.sun.tools.javac.tree.JCTree.JCTypeParameter; -import com.sun.tools.javac.tree.JCTree.JCVariableDecl; -import com.sun.tools.javac.util.List; -import com.sun.tools.javac.util.Name; -import com.sun.tools.javac.util.JCDiagnostic.DiagnosticPosition; - -/** - * Handles the {@code lombok.Setter} annotation for javac. - */ -@ProviderFor(JavacAnnotationHandler.class) -public class HandleSetter implements JavacAnnotationHandler<Setter> { - /** - * Generates a setter on the stated field. - * - * Used by {@link HandleData}. - * - * The difference between this call and the handle method is as follows: - * - * If there is a {@code lombok.Setter} annotation on the field, it is used and the - * same rules apply (e.g. warning if the method already exists, stated access level applies). - * If not, the setter is still generated if it isn't already there, though there will not - * be a warning if its already there. The default access level is used. - * - * @param fieldNode The node representing the field you want a setter for. - * @param pos The node responsible for generating the setter (the {@code @Data} or {@code @Setter} annotation). - */ - public void generateSetterForField(JavacNode fieldNode, DiagnosticPosition pos) { - for (JavacNode child : fieldNode.down()) { - if (child.getKind() == Kind.ANNOTATION) { - if (Javac.annotationTypeMatches(Setter.class, child)) { - //The annotation will make it happen, so we can skip it. - return; - } - } - } - - createSetterForField(AccessLevel.PUBLIC, fieldNode, fieldNode, false); - } - - @Override public boolean handle(AnnotationValues<Setter> annotation, JCAnnotation ast, JavacNode annotationNode) { - JavacNode fieldNode = annotationNode.up(); - AccessLevel level = annotation.getInstance().value(); - if (level == AccessLevel.NONE) return true; - - return createSetterForField(level, fieldNode, annotationNode, true); - } - - private boolean createSetterForField(AccessLevel level, - JavacNode fieldNode, JavacNode errorNode, boolean whineIfExists) { - if (fieldNode.getKind() != Kind.FIELD) { - fieldNode.addError("@Setter is only supported on a field."); - return true; - } - - JCVariableDecl fieldDecl = (JCVariableDecl)fieldNode.get(); - String methodName = toSetterName(fieldDecl); - - switch (methodExists(methodName, fieldNode)) { - case EXISTS_BY_LOMBOK: - return true; - case EXISTS_BY_USER: - if (whineIfExists) errorNode.addWarning( - String.format("Not generating %s(%s %s): A method with that name already exists", - methodName, fieldDecl.vartype, fieldDecl.name)); - return true; - default: - case NOT_EXISTS: - //continue with creating the setter - } - - long access = toJavacModifier(level) | (fieldDecl.mods.flags & Flags.STATIC); - - injectMethod(fieldNode.up(), createSetter(access, fieldNode, fieldNode.getTreeMaker())); - - return true; - } - - private JCMethodDecl createSetter(long access, JavacNode field, TreeMaker treeMaker) { - JCVariableDecl fieldDecl = (JCVariableDecl) field.get(); - - JCFieldAccess thisX = treeMaker.Select(treeMaker.Ident(field.toName("this")), fieldDecl.name); - JCAssign assign = treeMaker.Assign(thisX, treeMaker.Ident(fieldDecl.name)); - - List<JCStatement> statements; - List<JCAnnotation> nonNulls = findAnnotations(field, TransformationsUtil.NON_NULL_PATTERN); - List<JCAnnotation> nullables = findAnnotations(field, TransformationsUtil.NULLABLE_PATTERN); - - if (nonNulls.isEmpty()) { - statements = List.<JCStatement>of(treeMaker.Exec(assign)); - } else { - JCStatement nullCheck = generateNullCheck(treeMaker, field); - if (nullCheck != null) statements = List.<JCStatement>of(nullCheck, treeMaker.Exec(assign)); - else statements = List.<JCStatement>of(treeMaker.Exec(assign)); - } - - JCBlock methodBody = treeMaker.Block(0, statements); - Name methodName = field.toName(toSetterName(fieldDecl)); - JCVariableDecl param = treeMaker.VarDef(treeMaker.Modifiers(Flags.FINAL, nonNulls.appendList(nullables)), fieldDecl.name, fieldDecl.vartype, null); - JCExpression methodType = treeMaker.Type(field.getSymbolTable().voidType); - - List<JCTypeParameter> methodGenericParams = List.nil(); - List<JCVariableDecl> parameters = List.of(param); - List<JCExpression> throwsClauses = List.nil(); - JCExpression annotationMethodDefaultValue = null; - - return treeMaker.MethodDef(treeMaker.Modifiers(access, List.<JCAnnotation>nil()), methodName, methodType, - methodGenericParams, parameters, throwsClauses, methodBody, annotationMethodDefaultValue); - } -} diff --git a/src/lombok/javac/handlers/HandleSneakyThrows.java b/src/lombok/javac/handlers/HandleSneakyThrows.java deleted file mode 100644 index e7879dd1..00000000 --- a/src/lombok/javac/handlers/HandleSneakyThrows.java +++ /dev/null @@ -1,110 +0,0 @@ -/* - * 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.handlers; - -import static lombok.javac.handlers.JavacHandlerUtil.chainDots; - -import java.util.ArrayList; -import java.util.Collection; - -import lombok.SneakyThrows; -import lombok.core.AnnotationValues; -import lombok.javac.JavacAnnotationHandler; -import lombok.javac.JavacNode; - -import org.mangosdk.spi.ProviderFor; - -import com.sun.tools.javac.code.Flags; -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.JCExpression; -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.List; - -/** - * Handles the {@code lombok.SneakyThrows} annotation for javac. - */ -@ProviderFor(JavacAnnotationHandler.class) -public class HandleSneakyThrows implements JavacAnnotationHandler<SneakyThrows> { - @Override public boolean handle(AnnotationValues<SneakyThrows> annotation, JCAnnotation ast, JavacNode annotationNode) { - Collection<String> exceptionNames = annotation.getRawExpressions("value"); - - List<JCExpression> memberValuePairs = ast.getArguments(); - if (memberValuePairs == null || memberValuePairs.size() == 0) return false; - - java.util.List<String> exceptions = new ArrayList<String>(); - for (String exception : exceptionNames) { - if (exception.endsWith(".class")) exception = exception.substring(0, exception.length() - 6); - exceptions.add(exception); - } - - JavacNode owner = annotationNode.up(); - switch (owner.getKind()) { - case METHOD: - return handleMethod(annotationNode, (JCMethodDecl)owner.get(), exceptions); - default: - annotationNode.addError("@SneakyThrows is legal only on methods and constructors."); - return true; - } - } - - private boolean handleMethod(JavacNode annotation, JCMethodDecl method, Collection<String> exceptions) { - JavacNode methodNode = annotation.up(); - - if ( (method.mods.flags & Flags.ABSTRACT) != 0) { - annotation.addError("@SneakyThrows can only be used on concrete methods."); - return true; - } - - if (method.body == null) return false; - - List<JCStatement> contents = method.body.stats; - - for (String exception : exceptions) { - contents = List.of(buildTryCatchBlock(methodNode, contents, exception)); - } - - method.body.stats = contents; - methodNode.rebuild(); - - return true; - } - - private JCStatement buildTryCatchBlock(JavacNode node, List<JCStatement> contents, String exception) { - TreeMaker maker = node.getTreeMaker(); - - JCBlock tryBlock = maker.Block(0, contents); - - JCExpression varType = chainDots(maker, node, exception.split("\\.")); - - JCVariableDecl catchParam = maker.VarDef(maker.Modifiers(0), node.toName("$ex"), varType, null); - JCExpression lombokLombokSneakyThrowNameRef = chainDots(maker, node, "lombok", "Lombok", "sneakyThrow"); - JCBlock catchBody = maker.Block(0, List.<JCStatement>of(maker.Throw(maker.Apply( - List.<JCExpression>nil(), lombokLombokSneakyThrowNameRef, - List.<JCExpression>of(maker.Ident(node.toName("$ex"))))))); - - return maker.Try(tryBlock, List.of(maker.Catch(catchParam, catchBody)), null); - } -} diff --git a/src/lombok/javac/handlers/HandleSynchronized.java b/src/lombok/javac/handlers/HandleSynchronized.java deleted file mode 100644 index c86d99c6..00000000 --- a/src/lombok/javac/handlers/HandleSynchronized.java +++ /dev/null @@ -1,102 +0,0 @@ -/* - * 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.handlers; - -import static lombok.javac.handlers.JavacHandlerUtil.*; - -import org.mangosdk.spi.ProviderFor; - -import com.sun.tools.javac.code.Flags; -import com.sun.tools.javac.code.TypeTags; -import com.sun.tools.javac.tree.TreeMaker; -import com.sun.tools.javac.tree.JCTree.JCAnnotation; -import com.sun.tools.javac.tree.JCTree.JCExpression; -import com.sun.tools.javac.tree.JCTree.JCMethodDecl; -import com.sun.tools.javac.tree.JCTree.JCNewArray; -import com.sun.tools.javac.tree.JCTree.JCStatement; -import com.sun.tools.javac.tree.JCTree.JCVariableDecl; -import com.sun.tools.javac.util.List; - -import lombok.Synchronized; -import lombok.core.AnnotationValues; -import lombok.core.AST.Kind; -import lombok.javac.JavacAnnotationHandler; -import lombok.javac.JavacNode; - -/** - * Handles the {@code lombok.Synchronized} annotation for javac. - */ -@ProviderFor(JavacAnnotationHandler.class) -public class HandleSynchronized implements JavacAnnotationHandler<Synchronized> { - private static final String INSTANCE_LOCK_NAME = "$lock"; - private static final String STATIC_LOCK_NAME = "$LOCK"; - - @Override public boolean handle(AnnotationValues<Synchronized> annotation, JCAnnotation ast, JavacNode annotationNode) { - JavacNode methodNode = annotationNode.up(); - - if (methodNode == null || methodNode.getKind() != Kind.METHOD || !(methodNode.get() instanceof JCMethodDecl)) { - annotationNode.addError("@Synchronized is legal only on methods."); - return true; - } - - JCMethodDecl method = (JCMethodDecl)methodNode.get(); - - if ((method.mods.flags & Flags.ABSTRACT) != 0) { - annotationNode.addError("@Synchronized is legal only on concrete methods."); - return true; - } - boolean isStatic = (method.mods.flags & Flags.STATIC) != 0; - String lockName = annotation.getInstance().value(); - boolean autoMake = false; - if (lockName.length() == 0) { - autoMake = true; - lockName = isStatic ? STATIC_LOCK_NAME : INSTANCE_LOCK_NAME; - } - - TreeMaker maker = methodNode.getTreeMaker(); - - if (fieldExists(lockName, methodNode) == MemberExistsResult.NOT_EXISTS) { - if (!autoMake) { - annotationNode.addError("The field " + lockName + " does not exist."); - return true; - } - JCExpression objectType = chainDots(maker, methodNode, "java", "lang", "Object"); - //We use 'new Object[0];' because quite unlike 'new Object();', empty arrays *ARE* serializable! - JCNewArray newObjectArray = maker.NewArray(chainDots(maker, methodNode, "java", "lang", "Object"), - List.<JCExpression>of(maker.Literal(TypeTags.INT, 0)), null); - JCVariableDecl fieldDecl = maker.VarDef( - maker.Modifiers(Flags.FINAL | (isStatic ? Flags.STATIC : 0)), - methodNode.toName(lockName), objectType, newObjectArray); - injectField(methodNode.up(), fieldDecl); - } - - if (method.body == null) return false; - - JCExpression lockNode = maker.Ident(methodNode.toName(lockName)); - - method.body = maker.Block(0, List.<JCStatement>of(maker.Synchronized(lockNode, method.body))); - - methodNode.rebuild(); - - return true; - } -} diff --git a/src/lombok/javac/handlers/HandleToString.java b/src/lombok/javac/handlers/HandleToString.java deleted file mode 100644 index f7251ab8..00000000 --- a/src/lombok/javac/handlers/HandleToString.java +++ /dev/null @@ -1,237 +0,0 @@ -/* - * 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.handlers; - -import static lombok.javac.handlers.JavacHandlerUtil.*; - -import lombok.ToString; -import lombok.core.AnnotationValues; -import lombok.core.AST.Kind; -import lombok.javac.Javac; -import lombok.javac.JavacAnnotationHandler; -import lombok.javac.JavacNode; - -import org.mangosdk.spi.ProviderFor; - -import com.sun.tools.javac.code.Flags; -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.JCArrayTypeTree; -import com.sun.tools.javac.tree.JCTree.JCBlock; -import com.sun.tools.javac.tree.JCTree.JCClassDecl; -import com.sun.tools.javac.tree.JCTree.JCExpression; -import com.sun.tools.javac.tree.JCTree.JCMethodDecl; -import com.sun.tools.javac.tree.JCTree.JCMethodInvocation; -import com.sun.tools.javac.tree.JCTree.JCModifiers; -import com.sun.tools.javac.tree.JCTree.JCPrimitiveTypeTree; -import com.sun.tools.javac.tree.JCTree.JCStatement; -import com.sun.tools.javac.tree.JCTree.JCTypeParameter; -import com.sun.tools.javac.tree.JCTree.JCVariableDecl; -import com.sun.tools.javac.util.List; - -/** - * Handles the {@code ToString} annotation for javac. - */ -@ProviderFor(JavacAnnotationHandler.class) -public class HandleToString implements JavacAnnotationHandler<ToString> { - private void checkForBogusFieldNames(JavacNode type, AnnotationValues<ToString> annotation) { - if (annotation.isExplicit("exclude")) { - for (int i : createListOfNonExistentFields(List.from(annotation.getInstance().exclude()), type, true, false)) { - annotation.setWarning("exclude", "This field does not exist, or would have been excluded anyway.", i); - } - } - if (annotation.isExplicit("of")) { - for (int i : createListOfNonExistentFields(List.from(annotation.getInstance().of()), type, false, false)) { - annotation.setWarning("of", "This field does not exist.", i); - } - } - } - - @Override public boolean handle(AnnotationValues<ToString> annotation, JCAnnotation ast, JavacNode annotationNode) { - ToString ann = annotation.getInstance(); - List<String> excludes = List.from(ann.exclude()); - List<String> includes = List.from(ann.of()); - JavacNode typeNode = annotationNode.up(); - - checkForBogusFieldNames(typeNode, annotation); - - Boolean callSuper = ann.callSuper(); - - if (!annotation.isExplicit("callSuper")) callSuper = null; - if (!annotation.isExplicit("exclude")) excludes = null; - if (!annotation.isExplicit("of")) includes = null; - - if (excludes != null && includes != null) { - excludes = null; - annotation.setWarning("exclude", "exclude and of are mutually exclusive; the 'exclude' parameter will be ignored."); - } - - return generateToString(typeNode, annotationNode, excludes, includes, ann.includeFieldNames(), callSuper, true); - } - - public void generateToStringForType(JavacNode typeNode, JavacNode errorNode) { - for (JavacNode child : typeNode.down()) { - if (child.getKind() == Kind.ANNOTATION) { - if (Javac.annotationTypeMatches(ToString.class, child)) { - //The annotation will make it happen, so we can skip it. - return; - } - } - } - - boolean includeFieldNames = true; - try { - includeFieldNames = ((Boolean)ToString.class.getMethod("includeFieldNames").getDefaultValue()).booleanValue(); - } catch (Exception ignore) {} - generateToString(typeNode, errorNode, null, null, includeFieldNames, null, false); - } - - private boolean generateToString(JavacNode typeNode, JavacNode errorNode, List<String> excludes, List<String> includes, - boolean includeFieldNames, Boolean callSuper, boolean whineIfExists) { - boolean notAClass = true; - if (typeNode.get() instanceof JCClassDecl) { - long flags = ((JCClassDecl)typeNode.get()).mods.flags; - notAClass = (flags & (Flags.INTERFACE | Flags.ANNOTATION | Flags.ENUM)) != 0; - } - - if (callSuper == null) { - try { - callSuper = ((Boolean)ToString.class.getMethod("callSuper").getDefaultValue()).booleanValue(); - } catch (Exception ignore) {} - } - - if (notAClass) { - errorNode.addError("@ToString is only supported on a class."); - return false; - } - - List<JavacNode> nodesForToString = List.nil(); - if (includes != null) { - for (JavacNode child : typeNode.down()) { - if (child.getKind() != Kind.FIELD) continue; - JCVariableDecl fieldDecl = (JCVariableDecl) child.get(); - if (includes.contains(fieldDecl.name.toString())) nodesForToString = nodesForToString.append(child); - } - } else { - for (JavacNode child : typeNode.down()) { - if (child.getKind() != Kind.FIELD) continue; - JCVariableDecl fieldDecl = (JCVariableDecl) child.get(); - //Skip static fields. - if ((fieldDecl.mods.flags & Flags.STATIC) != 0) continue; - //Skip excluded fields. - if (excludes != null && excludes.contains(fieldDecl.name.toString())) continue; - //Skip fields that start with $. - if (fieldDecl.name.toString().startsWith("$")) continue; - nodesForToString = nodesForToString.append(child); - } - } - - switch (methodExists("toString", typeNode)) { - case NOT_EXISTS: - JCMethodDecl method = createToString(typeNode, nodesForToString, includeFieldNames, callSuper); - injectMethod(typeNode, method); - return true; - case EXISTS_BY_LOMBOK: - return true; - default: - case EXISTS_BY_USER: - if (whineIfExists) { - errorNode.addWarning("Not generating toString(): A method with that name already exists"); - } - return true; - } - - } - - private JCMethodDecl createToString(JavacNode typeNode, List<JavacNode> fields, boolean includeFieldNames, boolean callSuper) { - TreeMaker maker = typeNode.getTreeMaker(); - - JCAnnotation overrideAnnotation = maker.Annotation(chainDots(maker, typeNode, "java", "lang", "Override"), List.<JCExpression>nil()); - JCModifiers mods = maker.Modifiers(Flags.PUBLIC, List.of(overrideAnnotation)); - JCExpression returnType = chainDots(maker, typeNode, "java", "lang", "String"); - - boolean first = true; - - String typeName = ((JCClassDecl) typeNode.get()).name.toString(); - String infix = ", "; - String suffix = ")"; - String prefix; - if (callSuper) { - prefix = typeName + "(super="; - } else if (fields.isEmpty()) { - prefix = typeName + "()"; - } else if (includeFieldNames) { - prefix = typeName + "(" + ((JCVariableDecl)fields.iterator().next().get()).name.toString() + "="; - } else { - prefix = typeName + "("; - } - - JCExpression current = maker.Literal(prefix); - - if (callSuper) { - JCMethodInvocation callToSuper = maker.Apply(List.<JCExpression>nil(), - maker.Select(maker.Ident(typeNode.toName("super")), typeNode.toName("toString")), - List.<JCExpression>nil()); - current = maker.Binary(JCTree.PLUS, current, callToSuper); - first = false; - } - - for (JavacNode fieldNode : fields) { - JCVariableDecl field = (JCVariableDecl) fieldNode.get(); - JCExpression expr; - - if (field.vartype instanceof JCArrayTypeTree) { - boolean multiDim = ((JCArrayTypeTree)field.vartype).elemtype instanceof JCArrayTypeTree; - boolean primitiveArray = ((JCArrayTypeTree)field.vartype).elemtype instanceof JCPrimitiveTypeTree; - boolean useDeepTS = multiDim || !primitiveArray; - - JCExpression hcMethod = chainDots(maker, typeNode, "java", "util", "Arrays", useDeepTS ? "deepToString" : "toString"); - expr = maker.Apply(List.<JCExpression>nil(), hcMethod, List.<JCExpression>of(maker.Ident(field.name))); - } else expr = maker.Ident(field.name); - - if (first) { - current = maker.Binary(JCTree.PLUS, current, expr); - first = false; - continue; - } - - if (includeFieldNames) { - current = maker.Binary(JCTree.PLUS, current, maker.Literal(infix + fieldNode.getName() + "=")); - } else { - current = maker.Binary(JCTree.PLUS, current, maker.Literal(infix)); - } - - current = maker.Binary(JCTree.PLUS, current, expr); - } - - if (!first) current = maker.Binary(JCTree.PLUS, current, maker.Literal(suffix)); - - JCStatement returnStatement = maker.Return(current); - - JCBlock body = maker.Block(0, List.of(returnStatement)); - - return maker.MethodDef(mods, typeNode.toName("toString"), returnType, - List.<JCTypeParameter>nil(), List.<JCVariableDecl>nil(), List.<JCExpression>nil(), body, null); - } - -} diff --git a/src/lombok/javac/handlers/JavacHandlerUtil.java b/src/lombok/javac/handlers/JavacHandlerUtil.java deleted file mode 100644 index 34d8b849..00000000 --- a/src/lombok/javac/handlers/JavacHandlerUtil.java +++ /dev/null @@ -1,335 +0,0 @@ -/* - * 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.handlers; - -import java.util.regex.Pattern; - -import lombok.AccessLevel; -import lombok.core.TransformationsUtil; -import lombok.core.AST.Kind; -import lombok.javac.JavacNode; - -import com.sun.tools.javac.code.Flags; -import com.sun.tools.javac.code.TypeTags; -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.JCClassDecl; -import com.sun.tools.javac.tree.JCTree.JCExpression; -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.List; -import com.sun.tools.javac.util.Name; - -/** - * Container for static utility methods useful to handlers written for javac. - */ -public class JavacHandlerUtil { - private JavacHandlerUtil() { - //Prevent instantiation - } - - /** - * Checks if the given expression (that really ought to refer to a type expression) represents a primitive type. - */ - public static boolean isPrimitive(JCExpression ref) { - String typeName = ref.toString(); - return TransformationsUtil.PRIMITIVE_TYPE_NAME_PATTERN.matcher(typeName).matches(); - } - - /** - * Translates the given field into all possible getter names. - * Convenient wrapper around {@link TransformationsUtil#toAllGetterNames(CharSequence, boolean)}. - */ - public static java.util.List<String> toAllGetterNames(JCVariableDecl field) { - CharSequence fieldName = field.name; - - boolean isBoolean = field.vartype.toString().equals("boolean"); - - return TransformationsUtil.toAllGetterNames(fieldName, isBoolean); - } - - /** - * @return the likely getter name for the stated field. (e.g. private boolean foo; to isFoo). - * - * Convenient wrapper around {@link TransformationsUtil#toGetterName(CharSequence, boolean)}. - */ - public static String toGetterName(JCVariableDecl field) { - CharSequence fieldName = field.name; - - boolean isBoolean = field.vartype.toString().equals("boolean"); - - return TransformationsUtil.toGetterName(fieldName, isBoolean); - } - - /** - * @return the likely setter name for the stated field. (e.g. private boolean foo; to setFoo). - * - * Convenient wrapper around {@link TransformationsUtil#toSetterName(CharSequence)}. - */ - public static String toSetterName(JCVariableDecl field) { - CharSequence fieldName = field.name; - - return TransformationsUtil.toSetterName(fieldName); - } - - /** Serves as return value for the methods that check for the existence of fields and methods. */ - public enum MemberExistsResult { - NOT_EXISTS, EXISTS_BY_USER, EXISTS_BY_LOMBOK; - } - - /** - * Checks if there is a field with the provided name. - * - * @param fieldName the field name to check for. - * @param node Any node that represents the Type (JCClassDecl) to look in, or any child node thereof. - */ - public static MemberExistsResult fieldExists(String fieldName, JavacNode node) { - while (node != null && !(node.get() instanceof JCClassDecl)) { - node = node.up(); - } - - if (node != null && node.get() instanceof JCClassDecl) { - for (JCTree def : ((JCClassDecl)node.get()).defs) { - if (def instanceof JCVariableDecl) { - if (((JCVariableDecl)def).name.contentEquals(fieldName)) { - JavacNode existing = node.getNodeFor(def); - if (existing == null || !existing.isHandled()) return MemberExistsResult.EXISTS_BY_USER; - return MemberExistsResult.EXISTS_BY_LOMBOK; - } - } - } - } - - return MemberExistsResult.NOT_EXISTS; - } - - /** - * Checks if there is a method with the provided name. In case of multiple methods (overloading), only - * the first method decides if EXISTS_BY_USER or EXISTS_BY_LOMBOK is returned. - * - * @param methodName the method name to check for. - * @param node Any node that represents the Type (JCClassDecl) to look in, or any child node thereof. - */ - public static MemberExistsResult methodExists(String methodName, JavacNode node) { - while (node != null && !(node.get() instanceof JCClassDecl)) { - node = node.up(); - } - - if (node != null && node.get() instanceof JCClassDecl) { - for (JCTree def : ((JCClassDecl)node.get()).defs) { - if (def instanceof JCMethodDecl) { - if (((JCMethodDecl)def).name.contentEquals(methodName)) { - JavacNode existing = node.getNodeFor(def); - if (existing == null || !existing.isHandled()) return MemberExistsResult.EXISTS_BY_USER; - return MemberExistsResult.EXISTS_BY_LOMBOK; - } - } - } - } - - return MemberExistsResult.NOT_EXISTS; - } - - /** - * Checks if there is a (non-default) constructor. In case of multiple constructors (overloading), only - * the first constructor decides if EXISTS_BY_USER or EXISTS_BY_LOMBOK is returned. - * - * @param node Any node that represents the Type (JCClassDecl) to look in, or any child node thereof. - */ - public static MemberExistsResult constructorExists(JavacNode node) { - while (node != null && !(node.get() instanceof JCClassDecl)) { - node = node.up(); - } - - if (node != null && node.get() instanceof JCClassDecl) { - for (JCTree def : ((JCClassDecl)node.get()).defs) { - if (def instanceof JCMethodDecl) { - if (((JCMethodDecl)def).name.contentEquals("<init>")) { - if ((((JCMethodDecl)def).mods.flags & Flags.GENERATEDCONSTR) != 0) continue; - JavacNode existing = node.getNodeFor(def); - if (existing == null || !existing.isHandled()) return MemberExistsResult.EXISTS_BY_USER; - return MemberExistsResult.EXISTS_BY_LOMBOK; - } - } - } - } - - return MemberExistsResult.NOT_EXISTS; - } - - /** - * Turns an {@code AccessLevel} instance into the flag bit used by javac. - */ - public static int toJavacModifier(AccessLevel accessLevel) { - switch (accessLevel) { - case MODULE: - case PACKAGE: - return 0; - default: - case PUBLIC: - return Flags.PUBLIC; - case PRIVATE: - return Flags.PRIVATE; - case PROTECTED: - return Flags.PROTECTED; - } - } - - /** - * Adds the given new field declaration to the provided type AST Node. - * - * Also takes care of updating the JavacAST. - */ - public static void injectField(JavacNode typeNode, JCVariableDecl field) { - JCClassDecl type = (JCClassDecl) typeNode.get(); - - type.defs = type.defs.append(field); - - typeNode.add(field, Kind.FIELD).recursiveSetHandled(); - } - - /** - * Adds the given new method declaration to the provided type AST Node. - * Can also inject constructors. - * - * Also takes care of updating the JavacAST. - */ - public static void injectMethod(JavacNode typeNode, JCMethodDecl method) { - JCClassDecl type = (JCClassDecl) typeNode.get(); - - if (method.getName().contentEquals("<init>")) { - //Scan for default constructor, and remove it. - int idx = 0; - for (JCTree def : type.defs) { - if (def instanceof JCMethodDecl) { - if ((((JCMethodDecl)def).mods.flags & Flags.GENERATEDCONSTR) != 0) { - JavacNode tossMe = typeNode.getNodeFor(def); - if (tossMe != null) tossMe.up().removeChild(tossMe); - type.defs = addAllButOne(type.defs, idx); - break; - } - } - idx++; - } - } - - type.defs = type.defs.append(method); - - typeNode.add(method, Kind.METHOD).recursiveSetHandled(); - } - - private static List<JCTree> addAllButOne(List<JCTree> defs, int idx) { - List<JCTree> out = List.nil(); - int i = 0; - for (JCTree def : defs) { - if (i++ != idx) out = out.append(def); - } - return out; - } - - /** - * In javac, dotted access of any kind, from {@code java.lang.String} to {@code var.methodName} - * is represented by a fold-left of {@code Select} nodes with the leftmost string represented by - * a {@code Ident} node. This method generates such an expression. - * - * For example, maker.Select(maker.Select(maker.Ident(NAME[java]), NAME[lang]), NAME[String]). - * - * @see com.sun.tools.javac.tree.JCTree.JCIdent - * @see com.sun.tools.javac.tree.JCTree.JCFieldAccess - */ - public static JCExpression chainDots(TreeMaker maker, JavacNode node, String... elems) { - assert elems != null; - assert elems.length > 0; - - JCExpression e = maker.Ident(node.toName(elems[0])); - for (int i = 1 ; i < elems.length ; i++) { - e = maker.Select(e, node.toName(elems[i])); - } - - return e; - } - - /** - * Searches the given field node for annotations and returns each one that matches the provided regular expression pattern. - * - * Only the simple name is checked - the package and any containing class are ignored. - */ - public static List<JCAnnotation> findAnnotations(JavacNode fieldNode, Pattern namePattern) { - List<JCAnnotation> result = List.nil(); - for (JavacNode child : fieldNode.down()) { - if (child.getKind() == Kind.ANNOTATION) { - JCAnnotation annotation = (JCAnnotation) child.get(); - String name = annotation.annotationType.toString(); - int idx = name.lastIndexOf("."); - String suspect = idx == -1 ? name : name.substring(idx + 1); - if (namePattern.matcher(suspect).matches()) { - result = result.append(annotation); - } - } - } - return result; - } - - /** - * Generates a new statement that checks if the given variable is null, and if so, throws a {@code NullPointerException} with the - * variable name as message. - */ - public static JCStatement generateNullCheck(TreeMaker treeMaker, JavacNode variable) { - JCVariableDecl varDecl = (JCVariableDecl) variable.get(); - if (isPrimitive(varDecl.vartype)) return null; - Name fieldName = varDecl.name; - JCExpression npe = chainDots(treeMaker, variable, "java", "lang", "NullPointerException"); - JCTree exception = treeMaker.NewClass(null, List.<JCExpression>nil(), npe, List.<JCExpression>of(treeMaker.Literal(fieldName.toString())), null); - JCStatement throwStatement = treeMaker.Throw(exception); - return treeMaker.If(treeMaker.Binary(JCTree.EQ, treeMaker.Ident(fieldName), treeMaker.Literal(TypeTags.BOT, null)), throwStatement, null); - } - - /** - * Given a list of field names and a node referring to a type, finds each name in the list that does not match a field within the type. - */ - public static List<Integer> createListOfNonExistentFields(List<String> list, JavacNode type, boolean excludeStandard, boolean excludeTransient) { - boolean[] matched = new boolean[list.size()]; - - for (JavacNode child : type.down()) { - if (list.isEmpty()) break; - if (child.getKind() != Kind.FIELD) continue; - JCVariableDecl field = (JCVariableDecl)child.get(); - if (excludeStandard) { - if ((field.mods.flags & Flags.STATIC) != 0) continue; - if (field.name.toString().startsWith("$")) continue; - } - if (excludeTransient && (field.mods.flags & Flags.TRANSIENT) != 0) continue; - - int idx = list.indexOf(child.getName()); - if (idx > -1) matched[idx] = true; - } - - List<Integer> problematic = List.nil(); - for (int i = 0 ; i < list.size() ; i++) { - if (!matched[i]) problematic = problematic.append(i); - } - - return problematic; - } -} diff --git a/src/lombok/javac/handlers/package-info.java b/src/lombok/javac/handlers/package-info.java deleted file mode 100644 index b08d6af3..00000000 --- a/src/lombok/javac/handlers/package-info.java +++ /dev/null @@ -1,26 +0,0 @@ -/* - * 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. - */ - -/** - * Contains the classes that implement the transformations for all of lombok's various features on the javac v1.6 platform. - */ -package lombok.javac.handlers; diff --git a/src/lombok/javac/package-info.java b/src/lombok/javac/package-info.java deleted file mode 100644 index 0df2f050..00000000 --- a/src/lombok/javac/package-info.java +++ /dev/null @@ -1,26 +0,0 @@ -/* - * 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. - */ - -/** - * Includes the javac v1.6-specific implementations of the lombok AST and annotation introspection support. - */ -package lombok.javac; |