diff options
Diffstat (limited to 'src/lombok/eclipse/handlers/HandleSynchronized.java')
| -rw-r--r-- | src/lombok/eclipse/handlers/HandleSynchronized.java | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/src/lombok/eclipse/handlers/HandleSynchronized.java b/src/lombok/eclipse/handlers/HandleSynchronized.java deleted file mode 100644 index fde36192..00000000 --- a/src/lombok/eclipse/handlers/HandleSynchronized.java +++ /dev/null @@ -1,132 +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.eclipse.handlers; - -import static lombok.eclipse.handlers.EclipseHandlerUtil.*; - -import java.lang.reflect.Modifier; - -import lombok.Synchronized; -import lombok.core.AnnotationValues; -import lombok.core.AST.Kind; -import lombok.eclipse.Eclipse; -import lombok.eclipse.EclipseAnnotationHandler; -import lombok.eclipse.EclipseNode; -import lombok.eclipse.handlers.EclipseHandlerUtil.MemberExistsResult; - -import org.eclipse.jdt.internal.compiler.ast.Annotation; -import org.eclipse.jdt.internal.compiler.ast.ArrayAllocationExpression; -import org.eclipse.jdt.internal.compiler.ast.Block; -import org.eclipse.jdt.internal.compiler.ast.Expression; -import org.eclipse.jdt.internal.compiler.ast.FieldDeclaration; -import org.eclipse.jdt.internal.compiler.ast.FieldReference; -import org.eclipse.jdt.internal.compiler.ast.IntLiteral; -import org.eclipse.jdt.internal.compiler.ast.MethodDeclaration; -import org.eclipse.jdt.internal.compiler.ast.QualifiedNameReference; -import org.eclipse.jdt.internal.compiler.ast.QualifiedTypeReference; -import org.eclipse.jdt.internal.compiler.ast.Statement; -import org.eclipse.jdt.internal.compiler.ast.SynchronizedStatement; -import org.eclipse.jdt.internal.compiler.ast.ThisReference; -import org.eclipse.jdt.internal.compiler.lookup.TypeConstants; -import org.mangosdk.spi.ProviderFor; - -/** - * Handles the {@code lombok.Synchronized} annotation for eclipse. - */ -@ProviderFor(EclipseAnnotationHandler.class) -public class HandleSynchronized implements EclipseAnnotationHandler<Synchronized> { - private static final char[] INSTANCE_LOCK_NAME = "$lock".toCharArray(); - private static final char[] STATIC_LOCK_NAME = "$LOCK".toCharArray(); - - @Override public boolean handle(AnnotationValues<Synchronized> annotation, Annotation source, EclipseNode annotationNode) { - int p1 = source.sourceStart -1; - int p2 = source.sourceStart -2; - long pos = (((long)p1) << 32) | p2; - EclipseNode methodNode = annotationNode.up(); - if (methodNode == null || methodNode.getKind() != Kind.METHOD || !(methodNode.get() instanceof MethodDeclaration)) { - annotationNode.addError("@Synchronized is legal only on methods."); - return true; - } - - MethodDeclaration method = (MethodDeclaration)methodNode.get(); - if (method.isAbstract()) { - annotationNode.addError("@Synchronized is legal only on concrete methods."); - return true; - } - - char[] lockName = annotation.getInstance().value().toCharArray(); - boolean autoMake = false; - if (lockName.length == 0) { - autoMake = true; - lockName = method.isStatic() ? STATIC_LOCK_NAME : INSTANCE_LOCK_NAME; - } - - if (fieldExists(new String(lockName), methodNode) == MemberExistsResult.NOT_EXISTS) { - if (!autoMake) { - annotationNode.addError("The field " + new String(lockName) + " does not exist."); - return true; - } - FieldDeclaration fieldDecl = new FieldDeclaration(lockName, 0, -1); - Eclipse.setGeneratedBy(fieldDecl, source); - fieldDecl.declarationSourceEnd = -1; - - fieldDecl.modifiers = (method.isStatic() ? Modifier.STATIC : 0) | Modifier.FINAL | Modifier.PRIVATE; - - //We use 'new Object[0];' because quite unlike 'new Object();', empty arrays *ARE* serializable! - ArrayAllocationExpression arrayAlloc = new ArrayAllocationExpression(); - Eclipse.setGeneratedBy(arrayAlloc, source); - arrayAlloc.dimensions = new Expression[] { new IntLiteral(new char[] { '0' }, 0, 0) }; - Eclipse.setGeneratedBy(arrayAlloc.dimensions[0], source); - arrayAlloc.type = new QualifiedTypeReference(TypeConstants.JAVA_LANG_OBJECT, new long[] { 0, 0, 0 }); - Eclipse.setGeneratedBy(arrayAlloc.type, source); - fieldDecl.type = new QualifiedTypeReference(TypeConstants.JAVA_LANG_OBJECT, new long[] { 0, 0, 0 }); - Eclipse.setGeneratedBy(fieldDecl.type, source); - fieldDecl.initialization = arrayAlloc; - injectField(annotationNode.up().up(), fieldDecl); - } - - if (method.statements == null) return false; - - Block block = new Block(0); - Eclipse.setGeneratedBy(block, source); - block.statements = method.statements; - Expression lockVariable; - if (method.isStatic()) lockVariable = new QualifiedNameReference(new char[][] { - methodNode.up().getName().toCharArray(), lockName }, new long[] { pos, pos }, p1, p2); - else { - lockVariable = new FieldReference(lockName, pos); - ThisReference thisReference = new ThisReference(p1, p2); - Eclipse.setGeneratedBy(thisReference, source); - ((FieldReference)lockVariable).receiver = thisReference; - } - Eclipse.setGeneratedBy(lockVariable, source); - - method.statements = new Statement[] { - new SynchronizedStatement(lockVariable, block, 0, 0) - }; - Eclipse.setGeneratedBy(method.statements[0], source); - - methodNode.rebuild(); - - return true; - } -} |