Java AST.newTextElement方法代码示例

import org.eclipse.jdt.core.dom.AST; //导入方法依赖的package包/类
private void insertAllMissingTypeTags(ASTRewrite rewriter, TypeDeclaration typeDecl) {
	AST ast= typeDecl.getAST();
	Javadoc javadoc= typeDecl.getJavadoc();
	ListRewrite tagsRewriter= rewriter.getListRewrite(javadoc, Javadoc.TAGS_PROPERTY);

	List<TypeParameter> typeParams= typeDecl.typeParameters();
	for (int i= typeParams.size() - 1; i >= 0; i--) {
		TypeParameter decl= typeParams.get(i);
		String name= '<' + decl.getName().getIdentifier() + '>';
		if (findTag(javadoc, TagElement.TAG_PARAM, name) == null) {
			TagElement newTag= ast.newTagElement();
			newTag.setTagName(TagElement.TAG_PARAM);
			TextElement text= ast.newTextElement();
			text.setText(name);
			newTag.fragments().add(text);
			insertTabStop(rewriter, newTag.fragments(), "typeParam" + i); //$NON-NLS-1$
			insertTag(tagsRewriter, newTag, getPreviousTypeParamNames(typeParams, decl));
		}
	}
}
 

import org.eclipse.jdt.core.dom.AST; //导入方法依赖的package包/类
public static void addMissingReturnTypeProposals(IInvocationContext context, IProblemLocation problem, Collection<CUCorrectionProposal> proposals) {
	ICompilationUnit cu= context.getCompilationUnit();

	CompilationUnit astRoot= context.getASTRoot();
	ASTNode selectedNode= problem.getCoveringNode(astRoot);
	if (selectedNode == null) {
		return;
	}
	BodyDeclaration decl= ASTResolving.findParentBodyDeclaration(selectedNode);
	if (decl instanceof MethodDeclaration) {
		MethodDeclaration methodDeclaration= (MethodDeclaration) decl;

		ReturnStatementCollector eval= new ReturnStatementCollector();
		decl.accept(eval);

		AST ast= astRoot.getAST();

		ITypeBinding typeBinding= eval.getTypeBinding(decl.getAST());
		typeBinding= Bindings.normalizeTypeBinding(typeBinding);
		if (typeBinding == null) {
			typeBinding= ast.resolveWellKnownType("void"); //$NON-NLS-1$
		}
		if (typeBinding.isWildcardType()) {
			typeBinding= ASTResolving.normalizeWildcardType(typeBinding, true, ast);
		}

		ASTRewrite rewrite= ASTRewrite.create(ast);

		String label= Messages.format(CorrectionMessages.ReturnTypeSubProcessor_missingreturntype_description, BindingLabelProvider.getBindingLabel(typeBinding, BindingLabelProvider.DEFAULT_TEXTFLAGS));
		LinkedCorrectionProposal proposal= new LinkedCorrectionProposal(label, cu, rewrite, IProposalRelevance.MISSING_RETURN_TYPE);

		ImportRewrite imports= proposal.createImportRewrite(astRoot);
		ImportRewriteContext importRewriteContext= new ContextSensitiveImportRewriteContext(decl, imports);
		Type type= imports.addImport(typeBinding, ast, importRewriteContext, TypeLocation.RETURN_TYPE);

		rewrite.set(methodDeclaration, MethodDeclaration.RETURN_TYPE2_PROPERTY, type, null);
		rewrite.set(methodDeclaration, MethodDeclaration.CONSTRUCTOR_PROPERTY, Boolean.FALSE, null);

		Javadoc javadoc= methodDeclaration.getJavadoc();
		if (javadoc != null && typeBinding != null) {
			TagElement newTag= ast.newTagElement();
			newTag.setTagName(TagElement.TAG_RETURN);
			TextElement commentStart= ast.newTextElement();
			newTag.fragments().add(commentStart);

			JavadocTagsSubProcessor.insertTag(rewrite.getListRewrite(javadoc, Javadoc.TAGS_PROPERTY), newTag, null);
			proposal.addLinkedPosition(rewrite.track(commentStart), false, "comment_start"); //$NON-NLS-1$
		}

		String key= "return_type"; //$NON-NLS-1$
		proposal.addLinkedPosition(rewrite.track(type), true, key);
		if (typeBinding != null) {
			ITypeBinding[] bindings= ASTResolving.getRelaxingTypes(ast, typeBinding);
			for (int i= 0; i < bindings.length; i++) {
				proposal.addLinkedPositionProposal(key, bindings[i]);
			}
		}

		proposals.add(proposal);

		// change to constructor
		ASTNode parentType= ASTResolving.findParentType(decl);
		if (parentType instanceof AbstractTypeDeclaration) {
			boolean isInterface= parentType instanceof TypeDeclaration && ((TypeDeclaration) parentType).isInterface();
			if (!isInterface) {
				String constructorName= ((AbstractTypeDeclaration) parentType).getName().getIdentifier();
				ASTNode nameNode= methodDeclaration.getName();
				label= Messages.format(CorrectionMessages.ReturnTypeSubProcessor_wrongconstructorname_description, BasicElementLabels.getJavaElementName(constructorName));
				proposals.add(new ReplaceCorrectionProposal(label, cu, nameNode.getStartPosition(), nameNode.getLength(), constructorName, IProposalRelevance.CHANGE_TO_CONSTRUCTOR));
			}
		}
	}
}
 

import org.eclipse.jdt.core.dom.AST; //导入方法依赖的package包/类
private ASTRewrite doAddParam(CompilationUnit cu) {
	AST ast= cu.getAST();
	SimpleName node= fOriginalNode;

	BodyDeclaration decl= ASTResolving.findParentBodyDeclaration(node);
	if (decl instanceof MethodDeclaration) {
		MethodDeclaration methodDeclaration= (MethodDeclaration) decl;

		ASTRewrite rewrite= ASTRewrite.create(ast);

		ImportRewrite imports= createImportRewrite((CompilationUnit) decl.getRoot());
		ImportRewriteContext importRewriteContext= new ContextSensitiveImportRewriteContext(decl, imports);

		SingleVariableDeclaration newDecl= ast.newSingleVariableDeclaration();
		newDecl.setType(evaluateVariableType(ast, imports, importRewriteContext, methodDeclaration.resolveBinding(), TypeLocation.PARAMETER));
		newDecl.setName(ast.newSimpleName(node.getIdentifier()));

		ListRewrite listRewriter= rewrite.getListRewrite(decl, MethodDeclaration.PARAMETERS_PROPERTY);
		listRewriter.insertLast(newDecl, null);

		// add javadoc tag
		Javadoc javadoc= methodDeclaration.getJavadoc();
		if (javadoc != null) {
			HashSet<String> leadingNames= new HashSet<>();
			for (Iterator<SingleVariableDeclaration> iter= methodDeclaration.parameters().iterator(); iter.hasNext();) {
				SingleVariableDeclaration curr= iter.next();
				leadingNames.add(curr.getName().getIdentifier());
			}
			SimpleName newTagRef= ast.newSimpleName(node.getIdentifier());

			TagElement newTagElement= ast.newTagElement();
			newTagElement.setTagName(TagElement.TAG_PARAM);
			newTagElement.fragments().add(newTagRef);
			TextElement commentStart= ast.newTextElement();
			newTagElement.fragments().add(commentStart);

			ListRewrite tagsRewriter= rewrite.getListRewrite(javadoc, Javadoc.TAGS_PROPERTY);
			JavadocTagsSubProcessor.insertTag(tagsRewriter, newTagElement, leadingNames);
		}

		return rewrite;
	}
	return null;
}