org.eclipse.jdt.core.dom.ASTNode#NULL_LITERAL源码实例Demo

下面列出了org.eclipse.jdt.core.dom.ASTNode#NULL_LITERAL 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： eclipse.jdt.ls 文件： ExtractTempRefactoring.java

private boolean isLiteralNodeSelected() throws JavaModelException {
	IExpressionFragment fragment = getSelectedExpression();
	if (fragment == null) {
		return false;
	}
	Expression expression = fragment.getAssociatedExpression();
	if (expression == null) {
		return false;
	}
	switch (expression.getNodeType()) {
		case ASTNode.BOOLEAN_LITERAL:
		case ASTNode.CHARACTER_LITERAL:
		case ASTNode.NULL_LITERAL:
		case ASTNode.NUMBER_LITERAL:
			return true;

		default:
			return false;
	}
}

源代码2 项目： eclipse.jdt.ls 文件： ExtractMethodAnalyzer.java

public boolean isLiteralNodeSelected() {
	ASTNode[] nodes = getSelectedNodes();
	if (nodes.length != 1) {
		return false;
	}
	ASTNode node = nodes[0];
	switch (node.getNodeType()) {
		case ASTNode.BOOLEAN_LITERAL:
		case ASTNode.CHARACTER_LITERAL:
		case ASTNode.NULL_LITERAL:
		case ASTNode.NUMBER_LITERAL:
			return true;

		default:
			return false;
	}
}

源代码3 项目： eclipse.jdt.ls 文件： ExtractConstantRefactoring.java

private boolean isLiteralNodeSelected() throws JavaModelException {
	IExpressionFragment fragment = getSelectedExpression();
	if (fragment == null) {
		return false;
	}
	Expression expression = fragment.getAssociatedExpression();
	if (expression == null) {
		return false;
	}
	switch (expression.getNodeType()) {
		case ASTNode.BOOLEAN_LITERAL:
		case ASTNode.CHARACTER_LITERAL:
		case ASTNode.NULL_LITERAL:
		case ASTNode.NUMBER_LITERAL:
			return true;

		default:
			return false;
	}
}

源代码4 项目： Eclipse-Postfix-Code-Completion 文件： ExtractTempRefactoring.java

private boolean isLiteralNodeSelected() throws JavaModelException {
	IExpressionFragment fragment= getSelectedExpression();
	if (fragment == null)
		return false;
	Expression expression= fragment.getAssociatedExpression();
	if (expression == null)
		return false;
	switch (expression.getNodeType()) {
		case ASTNode.BOOLEAN_LITERAL:
		case ASTNode.CHARACTER_LITERAL:
		case ASTNode.NULL_LITERAL:
		case ASTNode.NUMBER_LITERAL:
			return true;

		default:
			return false;
	}
}

源代码5 项目： Eclipse-Postfix-Code-Completion 文件： ExtractMethodAnalyzer.java

public boolean isLiteralNodeSelected() {
	ASTNode[] nodes= getSelectedNodes();
	if (nodes.length != 1)
		return false;
	ASTNode node= nodes[0];
	switch (node.getNodeType()) {
		case ASTNode.BOOLEAN_LITERAL :
		case ASTNode.CHARACTER_LITERAL :
		case ASTNode.NULL_LITERAL :
		case ASTNode.NUMBER_LITERAL :
			return true;

		default :
			return false;
	}
}

源代码6 项目： Eclipse-Postfix-Code-Completion 文件： ExtractConstantRefactoring.java

private boolean isLiteralNodeSelected() throws JavaModelException {
	IExpressionFragment fragment= getSelectedExpression();
	if (fragment == null)
		return false;
	Expression expression= fragment.getAssociatedExpression();
	if (expression == null)
		return false;
	switch (expression.getNodeType()) {
		case ASTNode.BOOLEAN_LITERAL :
		case ASTNode.CHARACTER_LITERAL :
		case ASTNode.NULL_LITERAL :
		case ASTNode.NUMBER_LITERAL :
			return true;

		default :
			return false;
	}
}

源代码7 项目： jdt-codemining 文件： JavaCodeMiningASTVisitor.java

private static boolean isLiteral(Expression expression) {
	switch (expression.getNodeType()) {
	case ASTNode.BOOLEAN_LITERAL:
	case ASTNode.CHARACTER_LITERAL:
	case ASTNode.NULL_LITERAL:
	case ASTNode.NUMBER_LITERAL:
	case ASTNode.STRING_LITERAL:
		return true;

	default:
		return false;
	}
}

源代码8 项目： j2cl 文件： CompilationUnitBuilder.java

private Expression convert(org.eclipse.jdt.core.dom.Expression expression) {
  switch (expression.getNodeType()) {
    case ASTNode.ARRAY_ACCESS:
      return convert((org.eclipse.jdt.core.dom.ArrayAccess) expression);
    case ASTNode.ARRAY_CREATION:
      return convert((org.eclipse.jdt.core.dom.ArrayCreation) expression);
    case ASTNode.ARRAY_INITIALIZER:
      return convert((org.eclipse.jdt.core.dom.ArrayInitializer) expression);
    case ASTNode.ASSIGNMENT:
      return convert((org.eclipse.jdt.core.dom.Assignment) expression);
    case ASTNode.BOOLEAN_LITERAL:
      return convert((org.eclipse.jdt.core.dom.BooleanLiteral) expression);
    case ASTNode.CAST_EXPRESSION:
      return convert((org.eclipse.jdt.core.dom.CastExpression) expression);
    case ASTNode.CHARACTER_LITERAL:
      return convert((org.eclipse.jdt.core.dom.CharacterLiteral) expression);
    case ASTNode.CLASS_INSTANCE_CREATION:
      return convert((org.eclipse.jdt.core.dom.ClassInstanceCreation) expression);
    case ASTNode.CONDITIONAL_EXPRESSION:
      return convert((org.eclipse.jdt.core.dom.ConditionalExpression) expression);
    case ASTNode.EXPRESSION_METHOD_REFERENCE:
      return convert((org.eclipse.jdt.core.dom.ExpressionMethodReference) expression);
    case ASTNode.CREATION_REFERENCE:
      return convert((org.eclipse.jdt.core.dom.CreationReference) expression);
    case ASTNode.TYPE_METHOD_REFERENCE:
      return convert((org.eclipse.jdt.core.dom.TypeMethodReference) expression);
    case ASTNode.SUPER_METHOD_REFERENCE:
      return convert((org.eclipse.jdt.core.dom.SuperMethodReference) expression);
    case ASTNode.FIELD_ACCESS:
      return convert((org.eclipse.jdt.core.dom.FieldAccess) expression);
    case ASTNode.INFIX_EXPRESSION:
      return convert((org.eclipse.jdt.core.dom.InfixExpression) expression);
    case ASTNode.INSTANCEOF_EXPRESSION:
      return convert((org.eclipse.jdt.core.dom.InstanceofExpression) expression);
    case ASTNode.LAMBDA_EXPRESSION:
      return convert((org.eclipse.jdt.core.dom.LambdaExpression) expression);
    case ASTNode.METHOD_INVOCATION:
      return convert((org.eclipse.jdt.core.dom.MethodInvocation) expression);
    case ASTNode.NULL_LITERAL:
      return NullLiteral.get();
    case ASTNode.NUMBER_LITERAL:
      return convert((org.eclipse.jdt.core.dom.NumberLiteral) expression);
    case ASTNode.PARENTHESIZED_EXPRESSION:
      return convert((org.eclipse.jdt.core.dom.ParenthesizedExpression) expression);
    case ASTNode.POSTFIX_EXPRESSION:
      return convert((org.eclipse.jdt.core.dom.PostfixExpression) expression);
    case ASTNode.PREFIX_EXPRESSION:
      return convert((org.eclipse.jdt.core.dom.PrefixExpression) expression);
    case ASTNode.QUALIFIED_NAME:
      return convert((org.eclipse.jdt.core.dom.QualifiedName) expression);
    case ASTNode.SIMPLE_NAME:
      return convert((org.eclipse.jdt.core.dom.SimpleName) expression);
    case ASTNode.STRING_LITERAL:
      return convert((org.eclipse.jdt.core.dom.StringLiteral) expression);
    case ASTNode.SUPER_FIELD_ACCESS:
      return convert((org.eclipse.jdt.core.dom.SuperFieldAccess) expression);
    case ASTNode.SUPER_METHOD_INVOCATION:
      return convert((org.eclipse.jdt.core.dom.SuperMethodInvocation) expression);
    case ASTNode.THIS_EXPRESSION:
      return convert((org.eclipse.jdt.core.dom.ThisExpression) expression);
    case ASTNode.TYPE_LITERAL:
      return convert((org.eclipse.jdt.core.dom.TypeLiteral) expression);
    case ASTNode.VARIABLE_DECLARATION_EXPRESSION:
      return convert((org.eclipse.jdt.core.dom.VariableDeclarationExpression) expression);
    default:
      throw internalCompilerError(
          "Unexpected type for Expression: %s", expression.getClass().getName());
  }
}

源代码9 项目： Eclipse-Postfix-Code-Completion 文件： InlineTempRefactoring.java

private RefactoringStatus checkInitializer(VariableDeclaration decl) {
	if (decl.getInitializer().getNodeType() == ASTNode.NULL_LITERAL)
		return RefactoringStatus.createFatalErrorStatus(RefactoringCoreMessages.InlineTemRefactoring_error_message_nulLiteralsCannotBeInlined);
	return null;
}

源代码10 项目： Eclipse-Postfix-Code-Completion 文件： ASTNodes.java

public static boolean isLiteral(Expression expression) {
	int type= expression.getNodeType();
	return type == ASTNode.BOOLEAN_LITERAL || type == ASTNode.CHARACTER_LITERAL || type == ASTNode.NULL_LITERAL ||
		type == ASTNode.NUMBER_LITERAL || type == ASTNode.STRING_LITERAL || type == ASTNode.TYPE_LITERAL;
}

源代码11 项目： Eclipse-Postfix-Code-Completion 文件： ChangeTypeRefactoring.java

/**
 * Determines if a constraint variable corresponds to the constant "null".
 * @param cv
 * @return <code>true</code> if the constraint variable corresponds to the constant "null".
 */
private static boolean isNull(ConstraintVariable cv) {
	return cv instanceof ExpressionVariable && ((ExpressionVariable)cv).getExpressionType() == ASTNode.NULL_LITERAL;
}

方法所在类

org.eclipse.jdt.core.dom.ASTNode