From e3cafeaf9292f67459ff1d186f68283bfaedf2ae Mon Sep 17 00:00:00 2001 From: Wim Date: Mon, 31 Jan 2022 00:27:37 +0100 Subject: Add dependencies/vendor (whatsapp) --- vendor/golang.org/x/xerrors/LICENSE | 27 ++++ vendor/golang.org/x/xerrors/PATENTS | 22 +++ vendor/golang.org/x/xerrors/README | 2 + vendor/golang.org/x/xerrors/adaptor.go | 193 +++++++++++++++++++++++ vendor/golang.org/x/xerrors/codereview.cfg | 1 + vendor/golang.org/x/xerrors/doc.go | 22 +++ vendor/golang.org/x/xerrors/errors.go | 33 ++++ vendor/golang.org/x/xerrors/fmt.go | 187 ++++++++++++++++++++++ vendor/golang.org/x/xerrors/format.go | 34 ++++ vendor/golang.org/x/xerrors/frame.go | 56 +++++++ vendor/golang.org/x/xerrors/internal/internal.go | 8 + vendor/golang.org/x/xerrors/wrap.go | 106 +++++++++++++ 12 files changed, 691 insertions(+) create mode 100644 vendor/golang.org/x/xerrors/LICENSE create mode 100644 vendor/golang.org/x/xerrors/PATENTS create mode 100644 vendor/golang.org/x/xerrors/README create mode 100644 vendor/golang.org/x/xerrors/adaptor.go create mode 100644 vendor/golang.org/x/xerrors/codereview.cfg create mode 100644 vendor/golang.org/x/xerrors/doc.go create mode 100644 vendor/golang.org/x/xerrors/errors.go create mode 100644 vendor/golang.org/x/xerrors/fmt.go create mode 100644 vendor/golang.org/x/xerrors/format.go create mode 100644 vendor/golang.org/x/xerrors/frame.go create mode 100644 vendor/golang.org/x/xerrors/internal/internal.go create mode 100644 vendor/golang.org/x/xerrors/wrap.go (limited to 'vendor/golang.org/x/xerrors') diff --git a/vendor/golang.org/x/xerrors/LICENSE b/vendor/golang.org/x/xerrors/LICENSE new file mode 100644 index 00000000..e4a47e17 --- /dev/null +++ b/vendor/golang.org/x/xerrors/LICENSE @@ -0,0 +1,27 @@ +Copyright (c) 2019 The Go Authors. All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + + * Redistributions of source code must retain the above copyright +notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above +copyright notice, this list of conditions and the following disclaimer +in the documentation and/or other materials provided with the +distribution. + * Neither the name of Google Inc. nor the names of its +contributors may be used to endorse or promote products derived from +this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/vendor/golang.org/x/xerrors/PATENTS b/vendor/golang.org/x/xerrors/PATENTS new file mode 100644 index 00000000..73309904 --- /dev/null +++ b/vendor/golang.org/x/xerrors/PATENTS @@ -0,0 +1,22 @@ +Additional IP Rights Grant (Patents) + +"This implementation" means the copyrightable works distributed by +Google as part of the Go project. + +Google hereby grants to You a perpetual, worldwide, non-exclusive, +no-charge, royalty-free, irrevocable (except as stated in this section) +patent license to make, have made, use, offer to sell, sell, import, +transfer and otherwise run, modify and propagate the contents of this +implementation of Go, where such license applies only to those patent +claims, both currently owned or controlled by Google and acquired in +the future, licensable by Google that are necessarily infringed by this +implementation of Go. This grant does not include claims that would be +infringed only as a consequence of further modification of this +implementation. If you or your agent or exclusive licensee institute or +order or agree to the institution of patent litigation against any +entity (including a cross-claim or counterclaim in a lawsuit) alleging +that this implementation of Go or any code incorporated within this +implementation of Go constitutes direct or contributory patent +infringement, or inducement of patent infringement, then any patent +rights granted to you under this License for this implementation of Go +shall terminate as of the date such litigation is filed. diff --git a/vendor/golang.org/x/xerrors/README b/vendor/golang.org/x/xerrors/README new file mode 100644 index 00000000..aac7867a --- /dev/null +++ b/vendor/golang.org/x/xerrors/README @@ -0,0 +1,2 @@ +This repository holds the transition packages for the new Go 1.13 error values. +See golang.org/design/29934-error-values. diff --git a/vendor/golang.org/x/xerrors/adaptor.go b/vendor/golang.org/x/xerrors/adaptor.go new file mode 100644 index 00000000..4317f248 --- /dev/null +++ b/vendor/golang.org/x/xerrors/adaptor.go @@ -0,0 +1,193 @@ +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package xerrors + +import ( + "bytes" + "fmt" + "io" + "reflect" + "strconv" +) + +// FormatError calls the FormatError method of f with an errors.Printer +// configured according to s and verb, and writes the result to s. +func FormatError(f Formatter, s fmt.State, verb rune) { + // Assuming this function is only called from the Format method, and given + // that FormatError takes precedence over Format, it cannot be called from + // any package that supports errors.Formatter. It is therefore safe to + // disregard that State may be a specific printer implementation and use one + // of our choice instead. + + // limitations: does not support printing error as Go struct. + + var ( + sep = " " // separator before next error + p = &state{State: s} + direct = true + ) + + var err error = f + + switch verb { + // Note that this switch must match the preference order + // for ordinary string printing (%#v before %+v, and so on). + + case 'v': + if s.Flag('#') { + if stringer, ok := err.(fmt.GoStringer); ok { + io.WriteString(&p.buf, stringer.GoString()) + goto exit + } + // proceed as if it were %v + } else if s.Flag('+') { + p.printDetail = true + sep = "\n - " + } + case 's': + case 'q', 'x', 'X': + // Use an intermediate buffer in the rare cases that precision, + // truncation, or one of the alternative verbs (q, x, and X) are + // specified. + direct = false + + default: + p.buf.WriteString("%!") + p.buf.WriteRune(verb) + p.buf.WriteByte('(') + switch { + case err != nil: + p.buf.WriteString(reflect.TypeOf(f).String()) + default: + p.buf.WriteString("") + } + p.buf.WriteByte(')') + io.Copy(s, &p.buf) + return + } + +loop: + for { + switch v := err.(type) { + case Formatter: + err = v.FormatError((*printer)(p)) + case fmt.Formatter: + v.Format(p, 'v') + break loop + default: + io.WriteString(&p.buf, v.Error()) + break loop + } + if err == nil { + break + } + if p.needColon || !p.printDetail { + p.buf.WriteByte(':') + p.needColon = false + } + p.buf.WriteString(sep) + p.inDetail = false + p.needNewline = false + } + +exit: + width, okW := s.Width() + prec, okP := s.Precision() + + if !direct || (okW && width > 0) || okP { + // Construct format string from State s. + format := []byte{'%'} + if s.Flag('-') { + format = append(format, '-') + } + if s.Flag('+') { + format = append(format, '+') + } + if s.Flag(' ') { + format = append(format, ' ') + } + if okW { + format = strconv.AppendInt(format, int64(width), 10) + } + if okP { + format = append(format, '.') + format = strconv.AppendInt(format, int64(prec), 10) + } + format = append(format, string(verb)...) + fmt.Fprintf(s, string(format), p.buf.String()) + } else { + io.Copy(s, &p.buf) + } +} + +var detailSep = []byte("\n ") + +// state tracks error printing state. It implements fmt.State. +type state struct { + fmt.State + buf bytes.Buffer + + printDetail bool + inDetail bool + needColon bool + needNewline bool +} + +func (s *state) Write(b []byte) (n int, err error) { + if s.printDetail { + if len(b) == 0 { + return 0, nil + } + if s.inDetail && s.needColon { + s.needNewline = true + if b[0] == '\n' { + b = b[1:] + } + } + k := 0 + for i, c := range b { + if s.needNewline { + if s.inDetail && s.needColon { + s.buf.WriteByte(':') + s.needColon = false + } + s.buf.Write(detailSep) + s.needNewline = false + } + if c == '\n' { + s.buf.Write(b[k:i]) + k = i + 1 + s.needNewline = true + } + } + s.buf.Write(b[k:]) + if !s.inDetail { + s.needColon = true + } + } else if !s.inDetail { + s.buf.Write(b) + } + return len(b), nil +} + +// printer wraps a state to implement an xerrors.Printer. +type printer state + +func (s *printer) Print(args ...interface{}) { + if !s.inDetail || s.printDetail { + fmt.Fprint((*state)(s), args...) + } +} + +func (s *printer) Printf(format string, args ...interface{}) { + if !s.inDetail || s.printDetail { + fmt.Fprintf((*state)(s), format, args...) + } +} + +func (s *printer) Detail() bool { + s.inDetail = true + return s.printDetail +} diff --git a/vendor/golang.org/x/xerrors/codereview.cfg b/vendor/golang.org/x/xerrors/codereview.cfg new file mode 100644 index 00000000..3f8b14b6 --- /dev/null +++ b/vendor/golang.org/x/xerrors/codereview.cfg @@ -0,0 +1 @@ +issuerepo: golang/go diff --git a/vendor/golang.org/x/xerrors/doc.go b/vendor/golang.org/x/xerrors/doc.go new file mode 100644 index 00000000..eef99d9d --- /dev/null +++ b/vendor/golang.org/x/xerrors/doc.go @@ -0,0 +1,22 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package xerrors implements functions to manipulate errors. +// +// This package is based on the Go 2 proposal for error values: +// https://golang.org/design/29934-error-values +// +// These functions were incorporated into the standard library's errors package +// in Go 1.13: +// - Is +// - As +// - Unwrap +// +// Also, Errorf's %w verb was incorporated into fmt.Errorf. +// +// Use this package to get equivalent behavior in all supported Go versions. +// +// No other features of this package were included in Go 1.13, and at present +// there are no plans to include any of them. +package xerrors // import "golang.org/x/xerrors" diff --git a/vendor/golang.org/x/xerrors/errors.go b/vendor/golang.org/x/xerrors/errors.go new file mode 100644 index 00000000..e88d3772 --- /dev/null +++ b/vendor/golang.org/x/xerrors/errors.go @@ -0,0 +1,33 @@ +// Copyright 2011 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package xerrors + +import "fmt" + +// errorString is a trivial implementation of error. +type errorString struct { + s string + frame Frame +} + +// New returns an error that formats as the given text. +// +// The returned error contains a Frame set to the caller's location and +// implements Formatter to show this information when printed with details. +func New(text string) error { + return &errorString{text, Caller(1)} +} + +func (e *errorString) Error() string { + return e.s +} + +func (e *errorString) Format(s fmt.State, v rune) { FormatError(e, s, v) } + +func (e *errorString) FormatError(p Printer) (next error) { + p.Print(e.s) + e.frame.Format(p) + return nil +} diff --git a/vendor/golang.org/x/xerrors/fmt.go b/vendor/golang.org/x/xerrors/fmt.go new file mode 100644 index 00000000..829862dd --- /dev/null +++ b/vendor/golang.org/x/xerrors/fmt.go @@ -0,0 +1,187 @@ +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package xerrors + +import ( + "fmt" + "strings" + "unicode" + "unicode/utf8" + + "golang.org/x/xerrors/internal" +) + +const percentBangString = "%!" + +// Errorf formats according to a format specifier and returns the string as a +// value that satisfies error. +// +// The returned error includes the file and line number of the caller when +// formatted with additional detail enabled. If the last argument is an error +// the returned error's Format method will return it if the format string ends +// with ": %s", ": %v", or ": %w". If the last argument is an error and the +// format string ends with ": %w", the returned error implements an Unwrap +// method returning it. +// +// If the format specifier includes a %w verb with an error operand in a +// position other than at the end, the returned error will still implement an +// Unwrap method returning the operand, but the error's Format method will not +// return the wrapped error. +// +// It is invalid to include more than one %w verb or to supply it with an +// operand that does not implement the error interface. The %w verb is otherwise +// a synonym for %v. +func Errorf(format string, a ...interface{}) error { + format = formatPlusW(format) + // Support a ": %[wsv]" suffix, which works well with xerrors.Formatter. + wrap := strings.HasSuffix(format, ": %w") + idx, format2, ok := parsePercentW(format) + percentWElsewhere := !wrap && idx >= 0 + if !percentWElsewhere && (wrap || strings.HasSuffix(format, ": %s") || strings.HasSuffix(format, ": %v")) { + err := errorAt(a, len(a)-1) + if err == nil { + return &noWrapError{fmt.Sprintf(format, a...), nil, Caller(1)} + } + // TODO: this is not entirely correct. The error value could be + // printed elsewhere in format if it mixes numbered with unnumbered + // substitutions. With relatively small changes to doPrintf we can + // have it optionally ignore extra arguments and pass the argument + // list in its entirety. + msg := fmt.Sprintf(format[:len(format)-len(": %s")], a[:len(a)-1]...) + frame := Frame{} + if internal.EnableTrace { + frame = Caller(1) + } + if wrap { + return &wrapError{msg, err, frame} + } + return &noWrapError{msg, err, frame} + } + // Support %w anywhere. + // TODO: don't repeat the wrapped error's message when %w occurs in the middle. + msg := fmt.Sprintf(format2, a...) + if idx < 0 { + return &noWrapError{msg, nil, Caller(1)} + } + err := errorAt(a, idx) + if !ok || err == nil { + // Too many %ws or argument of %w is not an error. Approximate the Go + // 1.13 fmt.Errorf message. + return &noWrapError{fmt.Sprintf("%sw(%s)", percentBangString, msg), nil, Caller(1)} + } + frame := Frame{} + if internal.EnableTrace { + frame = Caller(1) + } + return &wrapError{msg, err, frame} +} + +func errorAt(args []interface{}, i int) error { + if i < 0 || i >= len(args) { + return nil + } + err, ok := args[i].(error) + if !ok { + return nil + } + return err +} + +// formatPlusW is used to avoid the vet check that will barf at %w. +func formatPlusW(s string) string { + return s +} + +// Return the index of the only %w in format, or -1 if none. +// Also return a rewritten format string with %w replaced by %v, and +// false if there is more than one %w. +// TODO: handle "%[N]w". +func parsePercentW(format string) (idx int, newFormat string, ok bool) { + // Loosely copied from golang.org/x/tools/go/analysis/passes/printf/printf.go. + idx = -1 + ok = true + n := 0 + sz := 0 + var isW bool + for i := 0; i < len(format); i += sz { + if format[i] != '%' { + sz = 1 + continue + } + // "%%" is not a format directive. + if i+1 < len(format) && format[i+1] == '%' { + sz = 2 + continue + } + sz, isW = parsePrintfVerb(format[i:]) + if isW { + if idx >= 0 { + ok = false + } else { + idx = n + } + // "Replace" the last character, the 'w', with a 'v'. + p := i + sz - 1 + format = format[:p] + "v" + format[p+1:] + } + n++ + } + return idx, format, ok +} + +// Parse the printf verb starting with a % at s[0]. +// Return how many bytes it occupies and whether the verb is 'w'. +func parsePrintfVerb(s string) (int, bool) { + // Assume only that the directive is a sequence of non-letters followed by a single letter. + sz := 0 + var r rune + for i := 1; i < len(s); i += sz { + r, sz = utf8.DecodeRuneInString(s[i:]) + if unicode.IsLetter(r) { + return i + sz, r == 'w' + } + } + return len(s), false +} + +type noWrapError struct { + msg string + err error + frame Frame +} + +func (e *noWrapError) Error() string { + return fmt.Sprint(e) +} + +func (e *noWrapError) Format(s fmt.State, v rune) { FormatError(e, s, v) } + +func (e *noWrapError) FormatError(p Printer) (next error) { + p.Print(e.msg) + e.frame.Format(p) + return e.err +} + +type wrapError struct { + msg string + err error + frame Frame +} + +func (e *wrapError) Error() string { + return fmt.Sprint(e) +} + +func (e *wrapError) Format(s fmt.State, v rune) { FormatError(e, s, v) } + +func (e *wrapError) FormatError(p Printer) (next error) { + p.Print(e.msg) + e.frame.Format(p) + return e.err +} + +func (e *wrapError) Unwrap() error { + return e.err +} diff --git a/vendor/golang.org/x/xerrors/format.go b/vendor/golang.org/x/xerrors/format.go new file mode 100644 index 00000000..1bc9c26b --- /dev/null +++ b/vendor/golang.org/x/xerrors/format.go @@ -0,0 +1,34 @@ +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package xerrors + +// A Formatter formats error messages. +type Formatter interface { + error + + // FormatError prints the receiver's first error and returns the next error in + // the error chain, if any. + FormatError(p Printer) (next error) +} + +// A Printer formats error messages. +// +// The most common implementation of Printer is the one provided by package fmt +// during Printf (as of Go 1.13). Localization packages such as golang.org/x/text/message +// typically provide their own implementations. +type Printer interface { + // Print appends args to the message output. + Print(args ...interface{}) + + // Printf writes a formatted string. + Printf(format string, args ...interface{}) + + // Detail reports whether error detail is requested. + // After the first call to Detail, all text written to the Printer + // is formatted as additional detail, or ignored when + // detail has not been requested. + // If Detail returns false, the caller can avoid printing the detail at all. + Detail() bool +} diff --git a/vendor/golang.org/x/xerrors/frame.go b/vendor/golang.org/x/xerrors/frame.go new file mode 100644 index 00000000..0de628ec --- /dev/null +++ b/vendor/golang.org/x/xerrors/frame.go @@ -0,0 +1,56 @@ +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package xerrors + +import ( + "runtime" +) + +// A Frame contains part of a call stack. +type Frame struct { + // Make room for three PCs: the one we were asked for, what it called, + // and possibly a PC for skipPleaseUseCallersFrames. See: + // https://go.googlesource.com/go/+/032678e0fb/src/runtime/extern.go#169 + frames [3]uintptr +} + +// Caller returns a Frame that describes a frame on the caller's stack. +// The argument skip is the number of frames to skip over. +// Caller(0) returns the frame for the caller of Caller. +func Caller(skip int) Frame { + var s Frame + runtime.Callers(skip+1, s.frames[:]) + return s +} + +// location reports the file, line, and function of a frame. +// +// The returned function may be "" even if file and line are not. +func (f Frame) location() (function, file string, line int) { + frames := runtime.CallersFrames(f.frames[:]) + if _, ok := frames.Next(); !ok { + return "", "", 0 + } + fr, ok := frames.Next() + if !ok { + return "", "", 0 + } + return fr.Function, fr.File, fr.Line +} + +// Format prints the stack as error detail. +// It should be called from an error's Format implementation +// after printing any other error detail. +func (f Frame) Format(p Printer) { + if p.Detail() { + function, file, line := f.location() + if function != "" { + p.Printf("%s\n ", function) + } + if file != "" { + p.Printf("%s:%d\n", file, line) + } + } +} diff --git a/vendor/golang.org/x/xerrors/internal/internal.go b/vendor/golang.org/x/xerrors/internal/internal.go new file mode 100644 index 00000000..89f4eca5 --- /dev/null +++ b/vendor/golang.org/x/xerrors/internal/internal.go @@ -0,0 +1,8 @@ +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package internal + +// EnableTrace indicates whether stack information should be recorded in errors. +var EnableTrace = true diff --git a/vendor/golang.org/x/xerrors/wrap.go b/vendor/golang.org/x/xerrors/wrap.go new file mode 100644 index 00000000..9a3b5103 --- /dev/null +++ b/vendor/golang.org/x/xerrors/wrap.go @@ -0,0 +1,106 @@ +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package xerrors + +import ( + "reflect" +) + +// A Wrapper provides context around another error. +type Wrapper interface { + // Unwrap returns the next error in the error chain. + // If there is no next error, Unwrap returns nil. + Unwrap() error +} + +// Opaque returns an error with the same error formatting as err +// but that does not match err and cannot be unwrapped. +func Opaque(err error) error { + return noWrapper{err} +} + +type noWrapper struct { + error +} + +func (e noWrapper) FormatError(p Printer) (next error) { + if f, ok := e.error.(Formatter); ok { + return f.FormatError(p) + } + p.Print(e.error) + return nil +} + +// Unwrap returns the result of calling the Unwrap method on err, if err implements +// Unwrap. Otherwise, Unwrap returns nil. +func Unwrap(err error) error { + u, ok := err.(Wrapper) + if !ok { + return nil + } + return u.Unwrap() +} + +// Is reports whether any error in err's chain matches target. +// +// An error is considered to match a target if it is equal to that target or if +// it implements a method Is(error) bool such that Is(target) returns true. +func Is(err, target error) bool { + if target == nil { + return err == target + } + + isComparable := reflect.TypeOf(target).Comparable() + for { + if isComparable && err == target { + return true + } + if x, ok := err.(interface{ Is(error) bool }); ok && x.Is(target) { + return true + } + // TODO: consider supporing target.Is(err). This would allow + // user-definable predicates, but also may allow for coping with sloppy + // APIs, thereby making it easier to get away with them. + if err = Unwrap(err); err == nil { + return false + } + } +} + +// As finds the first error in err's chain that matches the type to which target +// points, and if so, sets the target to its value and returns true. An error +// matches a type if it is assignable to the target type, or if it has a method +// As(interface{}) bool such that As(target) returns true. As will panic if target +// is not a non-nil pointer to a type which implements error or is of interface type. +// +// The As method should set the target to its value and return true if err +// matches the type to which target points. +func As(err error, target interface{}) bool { + if target == nil { + panic("errors: target cannot be nil") + } + val := reflect.ValueOf(target) + typ := val.Type() + if typ.Kind() != reflect.Ptr || val.IsNil() { + panic("errors: target must be a non-nil pointer") + } + if e := typ.Elem(); e.Kind() != reflect.Interface && !e.Implements(errorType) { + panic("errors: *target must be interface or implement error") + } + targetType := typ.Elem() + for err != nil { + if reflect.TypeOf(err).AssignableTo(targetType) { + val.Elem().Set(reflect.ValueOf(err)) + return true + } + if x, ok := err.(interface{ As(interface{}) bool }); ok && x.As(target) { + return true + } + err = Unwrap(err) + } + return false +} + +var errorType = reflect.TypeOf((*error)(nil)).Elem() -- cgit v1.2.3