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authorReinier Zwitserloot <reinier@tipit.to>2009-11-25 07:32:49 +0100
committerReinier Zwitserloot <reinier@tipit.to>2009-11-25 07:32:49 +0100
commit1a0e611a9c5e1ee518670647ce1a44beae559b44 (patch)
treee5ef8f671bc6688f486e874d4e2e1a7813e4f0b2 /src/lombok/javac/handlers/HandleSynchronized.java
parent7fd947ea40c25dad9ee543ebc4b92de9a2e05efc (diff)
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Refactored the source folders.
Diffstat (limited to 'src/lombok/javac/handlers/HandleSynchronized.java')
-rw-r--r--src/lombok/javac/handlers/HandleSynchronized.java102
1 files changed, 0 insertions, 102 deletions
diff --git a/src/lombok/javac/handlers/HandleSynchronized.java b/src/lombok/javac/handlers/HandleSynchronized.java
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--- a/src/lombok/javac/handlers/HandleSynchronized.java
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@@ -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;
- }
-}