github.com/shogo82148/std@v1.22.1-0.20240327122250-4e474527810c/cmd/go/internal/script/errors.go (about) 1 // Copyright 2022 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 package script 6 7 import ( 8 "github.com/shogo82148/std/errors" 9 ) 10 11 // ErrUnexpectedSuccess indicates that a script command that was expected to 12 // fail (as indicated by a "!" prefix) instead completed successfully. 13 var ErrUnexpectedSuccess = errors.New("unexpected success") 14 15 // A CommandError describes an error resulting from attempting to execute a 16 // specific command. 17 type CommandError struct { 18 File string 19 Line int 20 Op string 21 Args []string 22 Err error 23 } 24 25 func (e *CommandError) Error() string 26 27 func (e *CommandError) Unwrap() error 28 29 // A UsageError reports the valid arguments for a command. 30 // 31 // It may be returned in response to invalid arguments. 32 type UsageError struct { 33 Name string 34 Command Cmd 35 } 36 37 func (e *UsageError) Error() string 38 39 // ErrUsage may be returned by a Command to indicate that it was called with 40 // invalid arguments; its Usage method may be called to obtain details. 41 var ErrUsage = errors.New("invalid usage")