mirror of https://github.com/status-im/consul.git
62 lines
1.6 KiB
Go
62 lines
1.6 KiB
Go
|
// Copyright 2017 Google Inc. All Rights Reserved.
|
||
|
|
//
|
||
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
// you may not use this file except in compliance with the License.
|
||
|
|
// You may obtain a copy of the License at
|
||
|
|
//
|
||
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
//
|
||
|
|
// Unless required by applicable law or agreed to in writing, software
|
||
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
// See the License for the specific language governing permissions and
|
||
|
|
// limitations under the License.
|
||
|
|
|
||
|
|
package compiler
|
||
|
|
|
||
|
|
// Error represents compiler errors and their location in the document.
|
||
|
|
type Error struct {
|
||
|
|
Context *Context
|
||
|
|
Message string
|
||
|
|
}
|
||
|
|
|
||
|
|
// NewError creates an Error.
|
||
|
|
func NewError(context *Context, message string) *Error {
|
||
|
|
return &Error{Context: context, Message: message}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Error returns the string value of an Error.
|
||
|
|
func (err *Error) Error() string {
|
||
|
|
if err.Context == nil {
|
||
|
|
return "ERROR " + err.Message
|
||
|
|
}
|
||
|
|
return "ERROR " + err.Context.Description() + " " + err.Message
|
||
|
|
}
|
||
|
|
|
||
|
|
// ErrorGroup is a container for groups of Error values.
|
||
|
|
type ErrorGroup struct {
|
||
|
|
Errors []error
|
||
|
|
}
|
||
|
|
|
||
|
|
// NewErrorGroupOrNil returns a new ErrorGroup for a slice of errors or nil if the slice is empty.
|
||
|
|
func NewErrorGroupOrNil(errors []error) error {
|
||
|
|
if len(errors) == 0 {
|
||
|
|
return nil
|
||
|
|
} else if len(errors) == 1 {
|
||
|
|
return errors[0]
|
||
|
|
} else {
|
||
|
|
return &ErrorGroup{Errors: errors}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func (group *ErrorGroup) Error() string {
|
||
|
|
result := ""
|
||
|
|
for i, err := range group.Errors {
|
||
|
|
if i > 0 {
|
||
|
|
result += "\n"
|
||
|
|
}
|
||
|
|
result += err.Error()
|
||
|
|
}
|
||
|
|
return result
|
||
|
|
}
|