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Diffstat (limited to 'src/lombok/javac/handlers/HandleSynchronized.java')
-rw-r--r-- | src/lombok/javac/handlers/HandleSynchronized.java | 102 |
1 files changed, 0 insertions, 102 deletions
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; - } -} |