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Java Kind.LOCAL属性代码示例

本文整理汇总了Java中lombok.core.AST.Kind.LOCAL属性的典型用法代码示例。如果您正苦于以下问题:Java Kind.LOCAL属性的具体用法?Java Kind.LOCAL怎么用?Java Kind.LOCAL使用的例子?那么, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在lombok.core.AST.Kind的用法示例。


在下文中一共展示了Kind.LOCAL属性的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: handle

@Override public void handle(AnnotationValues<Cleanup> annotation, JCAnnotation ast, JavacNode annotationNode) {
	if (inNetbeansEditor(annotationNode)) return;
	
	deleteAnnotationIfNeccessary(annotationNode, Cleanup.class);
	String cleanupName = annotation.getInstance().value();
	if (cleanupName.length() == 0) {
		annotationNode.addError("cleanupName cannot be the empty string.");
		return;
	}
	
	if (annotationNode.up().getKind() != Kind.LOCAL) {
		annotationNode.addError("@Cleanup is legal only on local variable declarations.");
		return;
	}
	
	JCVariableDecl decl = (JCVariableDecl)annotationNode.up().get();
	
	if (decl.init == null) {
		annotationNode.addError("@Cleanup variable declarations need to be initialized.");
		return;
	}
	
	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;
	}
	
	boolean seenDeclaration = false;
	ListBuffer<JCStatement> newStatements = ListBuffer.lb();
	ListBuffer<JCStatement> tryBlock = ListBuffer.lb();
	for (JCStatement statement : statements) {
		if (!seenDeclaration) {
			if (statement == decl) seenDeclaration = true;
			newStatements.append(statement);
		} else {
			tryBlock.append(statement);
		}
	}
	
	if (!seenDeclaration) {
		annotationNode.addError("LOMBOK BUG: Can't find this local variable declaration inside its parent.");
		return;
	}
	doAssignmentCheck(annotationNode, tryBlock.toList(), decl.name);
	
	TreeMaker maker = annotationNode.getTreeMaker();
	JCFieldAccess cleanupMethod = maker.Select(maker.Ident(decl.name), annotationNode.toName(cleanupName));
	List<JCStatement> cleanupCall = List.<JCStatement>of(maker.Exec(
			maker.Apply(List.<JCExpression>nil(), cleanupMethod, List.<JCExpression>nil())));
	
	JCMethodInvocation preventNullAnalysis = preventNullAnalysis(maker, annotationNode, maker.Ident(decl.name));
	JCBinary isNull = maker.Binary(CTC_NOT_EQUAL, preventNullAnalysis, maker.Literal(CTC_BOT, null));
	
	JCIf ifNotNullCleanup = maker.If(isNull, maker.Block(0, cleanupCall), null);
	
	JCBlock finalizer = recursiveSetGeneratedBy(maker.Block(0, List.<JCStatement>of(ifNotNullCleanup)), ast);
	
	newStatements.append(setGeneratedBy(maker.Try(setGeneratedBy(maker.Block(0, tryBlock.toList()), ast), List.<JCCatch>nil(), finalizer), ast));
	
	if (blockNode instanceof JCBlock) {
		((JCBlock)blockNode).stats = newStatements.toList();
	} else if (blockNode instanceof JCCase) {
		((JCCase)blockNode).stats = newStatements.toList();
	} else if (blockNode instanceof JCMethodDecl) {
		((JCMethodDecl)blockNode).body.stats = newStatements.toList();
	} else throw new AssertionError("Should not get here");
	
	ancestor.rebuild();
}
 
开发者ID:redundent,项目名称:lombok,代码行数:79,代码来源:HandleCleanup.java


注:本文中的lombok.core.AST.Kind.LOCAL属性示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。