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

下面列出了org.eclipse.jdt.core.dom.ASTNode#CAST_EXPRESSION 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: TypeMismatchSubProcessor.java
public static ASTRewriteCorrectionProposal createCastProposal(IInvocationContext context, ITypeBinding castTypeBinding, Expression nodeToCast, int relevance) {
	ICompilationUnit cu= context.getCompilationUnit();

	String label;
	String castType= BindingLabelProviderCore.getBindingLabel(castTypeBinding, JavaElementLabels.ALL_DEFAULT);
	if (nodeToCast.getNodeType() == ASTNode.CAST_EXPRESSION) {
		label= Messages.format(CorrectionMessages.TypeMismatchSubProcessor_changecast_description, castType);
	} else {
		label= Messages.format(CorrectionMessages.TypeMismatchSubProcessor_addcast_description, castType);
	}
	return new CastCorrectionProposal(label, cu, nodeToCast, castTypeBinding, relevance);
}
 
private static boolean expressionTypeNeedsParentheses(Expression expression) {
	int type= expression.getNodeType();
	return type == ASTNode.INFIX_EXPRESSION
			|| type == ASTNode.CONDITIONAL_EXPRESSION
			|| type == ASTNode.PREFIX_EXPRESSION
			|| type == ASTNode.POSTFIX_EXPRESSION
			|| type == ASTNode.CAST_EXPRESSION
			|| type == ASTNode.INSTANCEOF_EXPRESSION
			|| type == ASTNode.ARRAY_CREATION
			|| type == ASTNode.ASSIGNMENT;
}
 
public static ASTRewriteCorrectionProposal createCastProposal(IInvocationContext context, ITypeBinding castTypeBinding, Expression nodeToCast, int relevance) {
	ICompilationUnit cu= context.getCompilationUnit();

	String label;
	String castType= BindingLabelProvider.getBindingLabel(castTypeBinding, JavaElementLabels.ALL_DEFAULT);
	if (nodeToCast.getNodeType() == ASTNode.CAST_EXPRESSION) {
		label= Messages.format(CorrectionMessages.TypeMismatchSubProcessor_changecast_description, castType);
	} else {
		label= Messages.format(CorrectionMessages.TypeMismatchSubProcessor_addcast_description, castType);
	}
	return new CastCorrectionProposal(label, cu, nodeToCast, castTypeBinding, relevance);
}
 
源代码4 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5 项目: SnowGraph   文件: JavaASTVisitor.java
private void parseExpression(MethodInfo methodInfo, Expression expression) {
    if (expression == null) {
        return;
    }//System.out.println(expression.toString()+" "+Annotation.nodeClassForType(expression.getNodeType()));
    if (expression.getNodeType() == ASTNode.ARRAY_INITIALIZER) {
        List<Expression> expressions = ((ArrayInitializer) expression).expressions();
        for (Expression expression2 : expressions) {
            parseExpression(methodInfo, expression2);
        }
    }
    if (expression.getNodeType() == ASTNode.CAST_EXPRESSION) {
        parseExpression(methodInfo, ((CastExpression) expression).getExpression());
    }
    if (expression.getNodeType() == ASTNode.CONDITIONAL_EXPRESSION) {
        parseExpression(methodInfo, ((ConditionalExpression) expression).getExpression());
        parseExpression(methodInfo, ((ConditionalExpression) expression).getElseExpression());
        parseExpression(methodInfo, ((ConditionalExpression) expression).getThenExpression());
    }
    if (expression.getNodeType() == ASTNode.INFIX_EXPRESSION) {
        parseExpression(methodInfo, ((InfixExpression) expression).getLeftOperand());
        parseExpression(methodInfo, ((InfixExpression) expression).getRightOperand());
    }
    if (expression.getNodeType() == ASTNode.INSTANCEOF_EXPRESSION) {
        parseExpression(methodInfo, ((InstanceofExpression) expression).getLeftOperand());
    }
    if (expression.getNodeType() == ASTNode.PARENTHESIZED_EXPRESSION) {
        parseExpression(methodInfo, ((ParenthesizedExpression) expression).getExpression());
    }
    if (expression.getNodeType() == ASTNode.POSTFIX_EXPRESSION) {
        parseExpression(methodInfo, ((PostfixExpression) expression).getOperand());
    }
    if (expression.getNodeType() == ASTNode.PREFIX_EXPRESSION) {
        parseExpression(methodInfo, ((PrefixExpression) expression).getOperand());
    }
    if (expression.getNodeType() == ASTNode.THIS_EXPRESSION) {
        parseExpression(methodInfo, ((ThisExpression) expression).getQualifier());
    }
    if (expression.getNodeType() == ASTNode.METHOD_INVOCATION) {
        List<Expression> arguments = ((MethodInvocation) expression).arguments();
        IMethodBinding methodBinding = ((MethodInvocation) expression).resolveMethodBinding();
        if (methodBinding != null)
            methodInfo.methodCalls.add(methodBinding);
        for (Expression exp : arguments)
            parseExpression(methodInfo, exp);
        parseExpression(methodInfo, ((MethodInvocation) expression).getExpression());
    }
    if (expression.getNodeType() == ASTNode.ASSIGNMENT) {
        parseExpression(methodInfo, ((Assignment) expression).getLeftHandSide());
        parseExpression(methodInfo, ((Assignment) expression).getRightHandSide());
    }
    if (expression.getNodeType() == ASTNode.QUALIFIED_NAME) {
        if (((QualifiedName) expression).getQualifier().resolveTypeBinding() != null) {
            String name = ((QualifiedName) expression).getQualifier().resolveTypeBinding().getQualifiedName() + "." + ((QualifiedName) expression).getName().getIdentifier();
            methodInfo.fieldUsesSet.add(name);
        }
        parseExpression(methodInfo, ((QualifiedName) expression).getQualifier());
    }
}
 
/**
 * Resolve the binding (<em>not</em> the type binding) for the expression or a nested expression
 * (e.g. nested in parentheses, cast, ...).
 * 
 * @param expression an expression node
 * @param goIntoCast iff <code>true</code>, go into a CastExpression's expression to resolve
 * @return the expression binding, or <code>null</code> if the expression has no binding or the
 *         binding could not be resolved
 * 
 * @see StubUtility#getVariableNameSuggestions(int, IJavaProject, ITypeBinding, Expression, java.util.Collection)
 * @since 3.5
 */
public static IBinding resolveExpressionBinding(Expression expression, boolean goIntoCast) {
	//TODO: search for callers of resolve*Binding() methods and replace with call to this method
	
	// similar to StubUtility#getVariableNameSuggestions(int, IJavaProject, ITypeBinding, Expression, Collection)
	switch (expression.getNodeType()) {
		case ASTNode.SIMPLE_NAME:
		case ASTNode.QUALIFIED_NAME:
			return ((Name) expression).resolveBinding();
			
		case ASTNode.FIELD_ACCESS:
			return ((FieldAccess) expression).resolveFieldBinding();
		case ASTNode.SUPER_FIELD_ACCESS:
			return ((SuperFieldAccess) expression).resolveFieldBinding();
			
		case ASTNode.METHOD_INVOCATION:
			return ((MethodInvocation) expression).resolveMethodBinding();
		case ASTNode.SUPER_METHOD_INVOCATION:
			return ((SuperMethodInvocation) expression).resolveMethodBinding();
		case ASTNode.CLASS_INSTANCE_CREATION:
			return ((ClassInstanceCreation) expression).resolveConstructorBinding();
			
		case ASTNode.MARKER_ANNOTATION:
		case ASTNode.SINGLE_MEMBER_ANNOTATION:
		case ASTNode.NORMAL_ANNOTATION:
			return ((Annotation) expression).resolveAnnotationBinding();
			
		case ASTNode.ARRAY_ACCESS:
			return resolveExpressionBinding(((ArrayAccess) expression).getArray(), goIntoCast);
		case ASTNode.CAST_EXPRESSION:
			if (goIntoCast) {
				return resolveExpressionBinding(((CastExpression) expression).getExpression(), true);
			} else {
				return null;
			}
		case ASTNode.PARENTHESIZED_EXPRESSION:
			return resolveExpressionBinding(((ParenthesizedExpression) expression).getExpression(), goIntoCast);
		case ASTNode.PREFIX_EXPRESSION:
			return resolveExpressionBinding(((PrefixExpression) expression).getOperand(), goIntoCast);
		case ASTNode.POSTFIX_EXPRESSION:
			return resolveExpressionBinding(((PostfixExpression) expression).getOperand(), goIntoCast);
		default:
			return null;
	}
}