diff options
Diffstat (limited to 'vendor/github.com/google/go-cmp/cmp/internal')
6 files changed, 0 insertions, 939 deletions
diff --git a/vendor/github.com/google/go-cmp/cmp/internal/diff/debug_disable.go b/vendor/github.com/google/go-cmp/cmp/internal/diff/debug_disable.go deleted file mode 100644 index 42afa496..00000000 --- a/vendor/github.com/google/go-cmp/cmp/internal/diff/debug_disable.go +++ /dev/null @@ -1,17 +0,0 @@ -// Copyright 2017, 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.md file. - -// +build !debug - -package diff - -var debug debugger - -type debugger struct{} - -func (debugger) Begin(_, _ int, f EqualFunc, _, _ *EditScript) EqualFunc { - return f -} -func (debugger) Update() {} -func (debugger) Finish() {} diff --git a/vendor/github.com/google/go-cmp/cmp/internal/diff/debug_enable.go b/vendor/github.com/google/go-cmp/cmp/internal/diff/debug_enable.go deleted file mode 100644 index fd9f7f17..00000000 --- a/vendor/github.com/google/go-cmp/cmp/internal/diff/debug_enable.go +++ /dev/null @@ -1,122 +0,0 @@ -// Copyright 2017, 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.md file. - -// +build debug - -package diff - -import ( - "fmt" - "strings" - "sync" - "time" -) - -// The algorithm can be seen running in real-time by enabling debugging: -// go test -tags=debug -v -// -// Example output: -// === RUN TestDifference/#34 -// ┌───────────────────────────────┐ -// │ \ · · · · · · · · · · · · · · │ -// │ · # · · · · · · · · · · · · · │ -// │ · \ · · · · · · · · · · · · · │ -// │ · · \ · · · · · · · · · · · · │ -// │ · · · X # · · · · · · · · · · │ -// │ · · · # \ · · · · · · · · · · │ -// │ · · · · · # # · · · · · · · · │ -// │ · · · · · # \ · · · · · · · · │ -// │ · · · · · · · \ · · · · · · · │ -// │ · · · · · · · · \ · · · · · · │ -// │ · · · · · · · · · \ · · · · · │ -// │ · · · · · · · · · · \ · · # · │ -// │ · · · · · · · · · · · \ # # · │ -// │ · · · · · · · · · · · # # # · │ -// │ · · · · · · · · · · # # # # · │ -// │ · · · · · · · · · # # # # # · │ -// │ · · · · · · · · · · · · · · \ │ -// └───────────────────────────────┘ -// [.Y..M.XY......YXYXY.|] -// -// The grid represents the edit-graph where the horizontal axis represents -// list X and the vertical axis represents list Y. The start of the two lists -// is the top-left, while the ends are the bottom-right. The '·' represents -// an unexplored node in the graph. The '\' indicates that the two symbols -// from list X and Y are equal. The 'X' indicates that two symbols are similar -// (but not exactly equal) to each other. The '#' indicates that the two symbols -// are different (and not similar). The algorithm traverses this graph trying to -// make the paths starting in the top-left and the bottom-right connect. -// -// The series of '.', 'X', 'Y', and 'M' characters at the bottom represents -// the currently established path from the forward and reverse searches, -// separated by a '|' character. - -const ( - updateDelay = 100 * time.Millisecond - finishDelay = 500 * time.Millisecond - ansiTerminal = true // ANSI escape codes used to move terminal cursor -) - -var debug debugger - -type debugger struct { - sync.Mutex - p1, p2 EditScript - fwdPath, revPath *EditScript - grid []byte - lines int -} - -func (dbg *debugger) Begin(nx, ny int, f EqualFunc, p1, p2 *EditScript) EqualFunc { - dbg.Lock() - dbg.fwdPath, dbg.revPath = p1, p2 - top := "┌─" + strings.Repeat("──", nx) + "┐\n" - row := "│ " + strings.Repeat("· ", nx) + "│\n" - btm := "└─" + strings.Repeat("──", nx) + "┘\n" - dbg.grid = []byte(top + strings.Repeat(row, ny) + btm) - dbg.lines = strings.Count(dbg.String(), "\n") - fmt.Print(dbg) - - // Wrap the EqualFunc so that we can intercept each result. - return func(ix, iy int) (r Result) { - cell := dbg.grid[len(top)+iy*len(row):][len("│ ")+len("· ")*ix:][:len("·")] - for i := range cell { - cell[i] = 0 // Zero out the multiple bytes of UTF-8 middle-dot - } - switch r = f(ix, iy); { - case r.Equal(): - cell[0] = '\\' - case r.Similar(): - cell[0] = 'X' - default: - cell[0] = '#' - } - return - } -} - -func (dbg *debugger) Update() { - dbg.print(updateDelay) -} - -func (dbg *debugger) Finish() { - dbg.print(finishDelay) - dbg.Unlock() -} - -func (dbg *debugger) String() string { - dbg.p1, dbg.p2 = *dbg.fwdPath, dbg.p2[:0] - for i := len(*dbg.revPath) - 1; i >= 0; i-- { - dbg.p2 = append(dbg.p2, (*dbg.revPath)[i]) - } - return fmt.Sprintf("%s[%v|%v]\n\n", dbg.grid, dbg.p1, dbg.p2) -} - -func (dbg *debugger) print(d time.Duration) { - if ansiTerminal { - fmt.Printf("\x1b[%dA", dbg.lines) // Reset terminal cursor - } - fmt.Print(dbg) - time.Sleep(d) -} diff --git a/vendor/github.com/google/go-cmp/cmp/internal/diff/diff.go b/vendor/github.com/google/go-cmp/cmp/internal/diff/diff.go deleted file mode 100644 index 260befea..00000000 --- a/vendor/github.com/google/go-cmp/cmp/internal/diff/diff.go +++ /dev/null @@ -1,363 +0,0 @@ -// Copyright 2017, 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.md file. - -// Package diff implements an algorithm for producing edit-scripts. -// The edit-script is a sequence of operations needed to transform one list -// of symbols into another (or vice-versa). The edits allowed are insertions, -// deletions, and modifications. The summation of all edits is called the -// Levenshtein distance as this problem is well-known in computer science. -// -// This package prioritizes performance over accuracy. That is, the run time -// is more important than obtaining a minimal Levenshtein distance. -package diff - -// EditType represents a single operation within an edit-script. -type EditType uint8 - -const ( - // Identity indicates that a symbol pair is identical in both list X and Y. - Identity EditType = iota - // UniqueX indicates that a symbol only exists in X and not Y. - UniqueX - // UniqueY indicates that a symbol only exists in Y and not X. - UniqueY - // Modified indicates that a symbol pair is a modification of each other. - Modified -) - -// EditScript represents the series of differences between two lists. -type EditScript []EditType - -// String returns a human-readable string representing the edit-script where -// Identity, UniqueX, UniqueY, and Modified are represented by the -// '.', 'X', 'Y', and 'M' characters, respectively. -func (es EditScript) String() string { - b := make([]byte, len(es)) - for i, e := range es { - switch e { - case Identity: - b[i] = '.' - case UniqueX: - b[i] = 'X' - case UniqueY: - b[i] = 'Y' - case Modified: - b[i] = 'M' - default: - panic("invalid edit-type") - } - } - return string(b) -} - -// stats returns a histogram of the number of each type of edit operation. -func (es EditScript) stats() (s struct{ NI, NX, NY, NM int }) { - for _, e := range es { - switch e { - case Identity: - s.NI++ - case UniqueX: - s.NX++ - case UniqueY: - s.NY++ - case Modified: - s.NM++ - default: - panic("invalid edit-type") - } - } - return -} - -// Dist is the Levenshtein distance and is guaranteed to be 0 if and only if -// lists X and Y are equal. -func (es EditScript) Dist() int { return len(es) - es.stats().NI } - -// LenX is the length of the X list. -func (es EditScript) LenX() int { return len(es) - es.stats().NY } - -// LenY is the length of the Y list. -func (es EditScript) LenY() int { return len(es) - es.stats().NX } - -// EqualFunc reports whether the symbols at indexes ix and iy are equal. -// When called by Difference, the index is guaranteed to be within nx and ny. -type EqualFunc func(ix int, iy int) Result - -// Result is the result of comparison. -// NSame is the number of sub-elements that are equal. -// NDiff is the number of sub-elements that are not equal. -type Result struct{ NSame, NDiff int } - -// Equal indicates whether the symbols are equal. Two symbols are equal -// if and only if NDiff == 0. If Equal, then they are also Similar. -func (r Result) Equal() bool { return r.NDiff == 0 } - -// Similar indicates whether two symbols are similar and may be represented -// by using the Modified type. As a special case, we consider binary comparisons -// (i.e., those that return Result{1, 0} or Result{0, 1}) to be similar. -// -// The exact ratio of NSame to NDiff to determine similarity may change. -func (r Result) Similar() bool { - // Use NSame+1 to offset NSame so that binary comparisons are similar. - return r.NSame+1 >= r.NDiff -} - -// Difference reports whether two lists of lengths nx and ny are equal -// given the definition of equality provided as f. -// -// This function returns an edit-script, which is a sequence of operations -// needed to convert one list into the other. The following invariants for -// the edit-script are maintained: -// • eq == (es.Dist()==0) -// • nx == es.LenX() -// • ny == es.LenY() -// -// This algorithm is not guaranteed to be an optimal solution (i.e., one that -// produces an edit-script with a minimal Levenshtein distance). This algorithm -// favors performance over optimality. The exact output is not guaranteed to -// be stable and may change over time. -func Difference(nx, ny int, f EqualFunc) (es EditScript) { - // This algorithm is based on traversing what is known as an "edit-graph". - // See Figure 1 from "An O(ND) Difference Algorithm and Its Variations" - // by Eugene W. Myers. Since D can be as large as N itself, this is - // effectively O(N^2). Unlike the algorithm from that paper, we are not - // interested in the optimal path, but at least some "decent" path. - // - // For example, let X and Y be lists of symbols: - // X = [A B C A B B A] - // Y = [C B A B A C] - // - // The edit-graph can be drawn as the following: - // A B C A B B A - // ┌─────────────┐ - // C │_|_|\|_|_|_|_│ 0 - // B │_|\|_|_|\|\|_│ 1 - // A │\|_|_|\|_|_|\│ 2 - // B │_|\|_|_|\|\|_│ 3 - // A │\|_|_|\|_|_|\│ 4 - // C │ | |\| | | | │ 5 - // └─────────────┘ 6 - // 0 1 2 3 4 5 6 7 - // - // List X is written along the horizontal axis, while list Y is written - // along the vertical axis. At any point on this grid, if the symbol in - // list X matches the corresponding symbol in list Y, then a '\' is drawn. - // The goal of any minimal edit-script algorithm is to find a path from the - // top-left corner to the bottom-right corner, while traveling through the - // fewest horizontal or vertical edges. - // A horizontal edge is equivalent to inserting a symbol from list X. - // A vertical edge is equivalent to inserting a symbol from list Y. - // A diagonal edge is equivalent to a matching symbol between both X and Y. - - // Invariants: - // • 0 ≤ fwdPath.X ≤ (fwdFrontier.X, revFrontier.X) ≤ revPath.X ≤ nx - // • 0 ≤ fwdPath.Y ≤ (fwdFrontier.Y, revFrontier.Y) ≤ revPath.Y ≤ ny - // - // In general: - // • fwdFrontier.X < revFrontier.X - // • fwdFrontier.Y < revFrontier.Y - // Unless, it is time for the algorithm to terminate. - fwdPath := path{+1, point{0, 0}, make(EditScript, 0, (nx+ny)/2)} - revPath := path{-1, point{nx, ny}, make(EditScript, 0)} - fwdFrontier := fwdPath.point // Forward search frontier - revFrontier := revPath.point // Reverse search frontier - - // Search budget bounds the cost of searching for better paths. - // The longest sequence of non-matching symbols that can be tolerated is - // approximately the square-root of the search budget. - searchBudget := 4 * (nx + ny) // O(n) - - // The algorithm below is a greedy, meet-in-the-middle algorithm for - // computing sub-optimal edit-scripts between two lists. - // - // The algorithm is approximately as follows: - // • Searching for differences switches back-and-forth between - // a search that starts at the beginning (the top-left corner), and - // a search that starts at the end (the bottom-right corner). The goal of - // the search is connect with the search from the opposite corner. - // • As we search, we build a path in a greedy manner, where the first - // match seen is added to the path (this is sub-optimal, but provides a - // decent result in practice). When matches are found, we try the next pair - // of symbols in the lists and follow all matches as far as possible. - // • When searching for matches, we search along a diagonal going through - // through the "frontier" point. If no matches are found, we advance the - // frontier towards the opposite corner. - // • This algorithm terminates when either the X coordinates or the - // Y coordinates of the forward and reverse frontier points ever intersect. - // - // This algorithm is correct even if searching only in the forward direction - // or in the reverse direction. We do both because it is commonly observed - // that two lists commonly differ because elements were added to the front - // or end of the other list. - // - // Running the tests with the "debug" build tag prints a visualization of - // the algorithm running in real-time. This is educational for understanding - // how the algorithm works. See debug_enable.go. - f = debug.Begin(nx, ny, f, &fwdPath.es, &revPath.es) - for { - // Forward search from the beginning. - if fwdFrontier.X >= revFrontier.X || fwdFrontier.Y >= revFrontier.Y || searchBudget == 0 { - break - } - for stop1, stop2, i := false, false, 0; !(stop1 && stop2) && searchBudget > 0; i++ { - // Search in a diagonal pattern for a match. - z := zigzag(i) - p := point{fwdFrontier.X + z, fwdFrontier.Y - z} - switch { - case p.X >= revPath.X || p.Y < fwdPath.Y: - stop1 = true // Hit top-right corner - case p.Y >= revPath.Y || p.X < fwdPath.X: - stop2 = true // Hit bottom-left corner - case f(p.X, p.Y).Equal(): - // Match found, so connect the path to this point. - fwdPath.connect(p, f) - fwdPath.append(Identity) - // Follow sequence of matches as far as possible. - for fwdPath.X < revPath.X && fwdPath.Y < revPath.Y { - if !f(fwdPath.X, fwdPath.Y).Equal() { - break - } - fwdPath.append(Identity) - } - fwdFrontier = fwdPath.point - stop1, stop2 = true, true - default: - searchBudget-- // Match not found - } - debug.Update() - } - // Advance the frontier towards reverse point. - if revPath.X-fwdFrontier.X >= revPath.Y-fwdFrontier.Y { - fwdFrontier.X++ - } else { - fwdFrontier.Y++ - } - - // Reverse search from the end. - if fwdFrontier.X >= revFrontier.X || fwdFrontier.Y >= revFrontier.Y || searchBudget == 0 { - break - } - for stop1, stop2, i := false, false, 0; !(stop1 && stop2) && searchBudget > 0; i++ { - // Search in a diagonal pattern for a match. - z := zigzag(i) - p := point{revFrontier.X - z, revFrontier.Y + z} - switch { - case fwdPath.X >= p.X || revPath.Y < p.Y: - stop1 = true // Hit bottom-left corner - case fwdPath.Y >= p.Y || revPath.X < p.X: - stop2 = true // Hit top-right corner - case f(p.X-1, p.Y-1).Equal(): - // Match found, so connect the path to this point. - revPath.connect(p, f) - revPath.append(Identity) - // Follow sequence of matches as far as possible. - for fwdPath.X < revPath.X && fwdPath.Y < revPath.Y { - if !f(revPath.X-1, revPath.Y-1).Equal() { - break - } - revPath.append(Identity) - } - revFrontier = revPath.point - stop1, stop2 = true, true - default: - searchBudget-- // Match not found - } - debug.Update() - } - // Advance the frontier towards forward point. - if revFrontier.X-fwdPath.X >= revFrontier.Y-fwdPath.Y { - revFrontier.X-- - } else { - revFrontier.Y-- - } - } - - // Join the forward and reverse paths and then append the reverse path. - fwdPath.connect(revPath.point, f) - for i := len(revPath.es) - 1; i >= 0; i-- { - t := revPath.es[i] - revPath.es = revPath.es[:i] - fwdPath.append(t) - } - debug.Finish() - return fwdPath.es -} - -type path struct { - dir int // +1 if forward, -1 if reverse - point // Leading point of the EditScript path - es EditScript -} - -// connect appends any necessary Identity, Modified, UniqueX, or UniqueY types -// to the edit-script to connect p.point to dst. -func (p *path) connect(dst point, f EqualFunc) { - if p.dir > 0 { - // Connect in forward direction. - for dst.X > p.X && dst.Y > p.Y { - switch r := f(p.X, p.Y); { - case r.Equal(): - p.append(Identity) - case r.Similar(): - p.append(Modified) - case dst.X-p.X >= dst.Y-p.Y: - p.append(UniqueX) - default: - p.append(UniqueY) - } - } - for dst.X > p.X { - p.append(UniqueX) - } - for dst.Y > p.Y { - p.append(UniqueY) - } - } else { - // Connect in reverse direction. - for p.X > dst.X && p.Y > dst.Y { - switch r := f(p.X-1, p.Y-1); { - case r.Equal(): - p.append(Identity) - case r.Similar(): - p.append(Modified) - case p.Y-dst.Y >= p.X-dst.X: - p.append(UniqueY) - default: - p.append(UniqueX) - } - } - for p.X > dst.X { - p.append(UniqueX) - } - for p.Y > dst.Y { - p.append(UniqueY) - } - } -} - -func (p *path) append(t EditType) { - p.es = append(p.es, t) - switch t { - case Identity, Modified: - p.add(p.dir, p.dir) - case UniqueX: - p.add(p.dir, 0) - case UniqueY: - p.add(0, p.dir) - } - debug.Update() -} - -type point struct{ X, Y int } - -func (p *point) add(dx, dy int) { p.X += dx; p.Y += dy } - -// zigzag maps a consecutive sequence of integers to a zig-zag sequence. -// [0 1 2 3 4 5 ...] => [0 -1 +1 -2 +2 ...] -func zigzag(x int) int { - if x&1 != 0 { - x = ^x - } - return x >> 1 -} diff --git a/vendor/github.com/google/go-cmp/cmp/internal/function/func.go b/vendor/github.com/google/go-cmp/cmp/internal/function/func.go deleted file mode 100644 index 4c35ff11..00000000 --- a/vendor/github.com/google/go-cmp/cmp/internal/function/func.go +++ /dev/null @@ -1,49 +0,0 @@ -// Copyright 2017, 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.md file. - -// Package function identifies function types. -package function - -import "reflect" - -type funcType int - -const ( - _ funcType = iota - - ttbFunc // func(T, T) bool - tibFunc // func(T, I) bool - trFunc // func(T) R - - Equal = ttbFunc // func(T, T) bool - EqualAssignable = tibFunc // func(T, I) bool; encapsulates func(T, T) bool - Transformer = trFunc // func(T) R - ValueFilter = ttbFunc // func(T, T) bool - Less = ttbFunc // func(T, T) bool -) - -var boolType = reflect.TypeOf(true) - -// IsType reports whether the reflect.Type is of the specified function type. -func IsType(t reflect.Type, ft funcType) bool { - if t == nil || t.Kind() != reflect.Func || t.IsVariadic() { - return false - } - ni, no := t.NumIn(), t.NumOut() - switch ft { - case ttbFunc: // func(T, T) bool - if ni == 2 && no == 1 && t.In(0) == t.In(1) && t.Out(0) == boolType { - return true - } - case tibFunc: // func(T, I) bool - if ni == 2 && no == 1 && t.In(0).AssignableTo(t.In(1)) && t.Out(0) == boolType { - return true - } - case trFunc: // func(T) R - if ni == 1 && no == 1 { - return true - } - } - return false -} diff --git a/vendor/github.com/google/go-cmp/cmp/internal/value/format.go b/vendor/github.com/google/go-cmp/cmp/internal/value/format.go deleted file mode 100644 index 657e5087..00000000 --- a/vendor/github.com/google/go-cmp/cmp/internal/value/format.go +++ /dev/null @@ -1,277 +0,0 @@ -// Copyright 2017, 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.md file. - -// Package value provides functionality for reflect.Value types. -package value - -import ( - "fmt" - "reflect" - "strconv" - "strings" - "unicode" -) - -var stringerIface = reflect.TypeOf((*fmt.Stringer)(nil)).Elem() - -// Format formats the value v as a string. -// -// This is similar to fmt.Sprintf("%+v", v) except this: -// * Prints the type unless it can be elided -// * Avoids printing struct fields that are zero -// * Prints a nil-slice as being nil, not empty -// * Prints map entries in deterministic order -func Format(v reflect.Value, conf FormatConfig) string { - conf.printType = true - conf.followPointers = true - conf.realPointers = true - return formatAny(v, conf, nil) -} - -type FormatConfig struct { - UseStringer bool // Should the String method be used if available? - printType bool // Should we print the type before the value? - PrintPrimitiveType bool // Should we print the type of primitives? - followPointers bool // Should we recursively follow pointers? - realPointers bool // Should we print the real address of pointers? -} - -func formatAny(v reflect.Value, conf FormatConfig, visited map[uintptr]bool) string { - // TODO: Should this be a multi-line printout in certain situations? - - if !v.IsValid() { - return "<non-existent>" - } - if conf.UseStringer && v.Type().Implements(stringerIface) && v.CanInterface() { - if (v.Kind() == reflect.Ptr || v.Kind() == reflect.Interface) && v.IsNil() { - return "<nil>" - } - - const stringerPrefix = "s" // Indicates that the String method was used - s := v.Interface().(fmt.Stringer).String() - return stringerPrefix + formatString(s) - } - - switch v.Kind() { - case reflect.Bool: - return formatPrimitive(v.Type(), v.Bool(), conf) - case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: - return formatPrimitive(v.Type(), v.Int(), conf) - case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr: - if v.Type().PkgPath() == "" || v.Kind() == reflect.Uintptr { - // Unnamed uints are usually bytes or words, so use hexadecimal. - return formatPrimitive(v.Type(), formatHex(v.Uint()), conf) - } - return formatPrimitive(v.Type(), v.Uint(), conf) - case reflect.Float32, reflect.Float64: - return formatPrimitive(v.Type(), v.Float(), conf) - case reflect.Complex64, reflect.Complex128: - return formatPrimitive(v.Type(), v.Complex(), conf) - case reflect.String: - return formatPrimitive(v.Type(), formatString(v.String()), conf) - case reflect.UnsafePointer, reflect.Chan, reflect.Func: - return formatPointer(v, conf) - case reflect.Ptr: - if v.IsNil() { - if conf.printType { - return fmt.Sprintf("(%v)(nil)", v.Type()) - } - return "<nil>" - } - if visited[v.Pointer()] || !conf.followPointers { - return formatPointer(v, conf) - } - visited = insertPointer(visited, v.Pointer()) - return "&" + formatAny(v.Elem(), conf, visited) - case reflect.Interface: - if v.IsNil() { - if conf.printType { - return fmt.Sprintf("%v(nil)", v.Type()) - } - return "<nil>" - } - return formatAny(v.Elem(), conf, visited) - case reflect.Slice: - if v.IsNil() { - if conf.printType { - return fmt.Sprintf("%v(nil)", v.Type()) - } - return "<nil>" - } - if visited[v.Pointer()] { - return formatPointer(v, conf) - } - visited = insertPointer(visited, v.Pointer()) - fallthrough - case reflect.Array: - var ss []string - subConf := conf - subConf.printType = v.Type().Elem().Kind() == reflect.Interface - for i := 0; i < v.Len(); i++ { - s := formatAny(v.Index(i), subConf, visited) - ss = append(ss, s) - } - s := fmt.Sprintf("{%s}", strings.Join(ss, ", ")) - if conf.printType { - return v.Type().String() + s - } - return s - case reflect.Map: - if v.IsNil() { - if conf.printType { - return fmt.Sprintf("%v(nil)", v.Type()) - } - return "<nil>" - } - if visited[v.Pointer()] { - return formatPointer(v, conf) - } - visited = insertPointer(visited, v.Pointer()) - - var ss []string - keyConf, valConf := conf, conf - keyConf.printType = v.Type().Key().Kind() == reflect.Interface - keyConf.followPointers = false - valConf.printType = v.Type().Elem().Kind() == reflect.Interface - for _, k := range SortKeys(v.MapKeys()) { - sk := formatAny(k, keyConf, visited) - sv := formatAny(v.MapIndex(k), valConf, visited) - ss = append(ss, fmt.Sprintf("%s: %s", sk, sv)) - } - s := fmt.Sprintf("{%s}", strings.Join(ss, ", ")) - if conf.printType { - return v.Type().String() + s - } - return s - case reflect.Struct: - var ss []string - subConf := conf - subConf.printType = true - for i := 0; i < v.NumField(); i++ { - vv := v.Field(i) - if isZero(vv) { - continue // Elide zero value fields - } - name := v.Type().Field(i).Name - subConf.UseStringer = conf.UseStringer - s := formatAny(vv, subConf, visited) - ss = append(ss, fmt.Sprintf("%s: %s", name, s)) - } - s := fmt.Sprintf("{%s}", strings.Join(ss, ", ")) - if conf.printType { - return v.Type().String() + s - } - return s - default: - panic(fmt.Sprintf("%v kind not handled", v.Kind())) - } -} - -func formatString(s string) string { - // Use quoted string if it the same length as a raw string literal. - // Otherwise, attempt to use the raw string form. - qs := strconv.Quote(s) - if len(qs) == 1+len(s)+1 { - return qs - } - - // Disallow newlines to ensure output is a single line. - // Only allow printable runes for readability purposes. - rawInvalid := func(r rune) bool { - return r == '`' || r == '\n' || !unicode.IsPrint(r) - } - if strings.IndexFunc(s, rawInvalid) < 0 { - return "`" + s + "`" - } - return qs -} - -func formatPrimitive(t reflect.Type, v interface{}, conf FormatConfig) string { - if conf.printType && (conf.PrintPrimitiveType || t.PkgPath() != "") { - return fmt.Sprintf("%v(%v)", t, v) - } - return fmt.Sprintf("%v", v) -} - -func formatPointer(v reflect.Value, conf FormatConfig) string { - p := v.Pointer() - if !conf.realPointers { - p = 0 // For deterministic printing purposes - } - s := formatHex(uint64(p)) - if conf.printType { - return fmt.Sprintf("(%v)(%s)", v.Type(), s) - } - return s -} - -func formatHex(u uint64) string { - var f string - switch { - case u <= 0xff: - f = "0x%02x" - case u <= 0xffff: - f = "0x%04x" - case u <= 0xffffff: - f = "0x%06x" - case u <= 0xffffffff: - f = "0x%08x" - case u <= 0xffffffffff: - f = "0x%010x" - case u <= 0xffffffffffff: - f = "0x%012x" - case u <= 0xffffffffffffff: - f = "0x%014x" - case u <= 0xffffffffffffffff: - f = "0x%016x" - } - return fmt.Sprintf(f, u) -} - -// insertPointer insert p into m, allocating m if necessary. -func insertPointer(m map[uintptr]bool, p uintptr) map[uintptr]bool { - if m == nil { - m = make(map[uintptr]bool) - } - m[p] = true - return m -} - -// isZero reports whether v is the zero value. -// This does not rely on Interface and so can be used on unexported fields. -func isZero(v reflect.Value) bool { - switch v.Kind() { - case reflect.Bool: - return v.Bool() == false - case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: - return v.Int() == 0 - case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr: - return v.Uint() == 0 - case reflect.Float32, reflect.Float64: - return v.Float() == 0 - case reflect.Complex64, reflect.Complex128: - return v.Complex() == 0 - case reflect.String: - return v.String() == "" - case reflect.UnsafePointer: - return v.Pointer() == 0 - case reflect.Chan, reflect.Func, reflect.Interface, reflect.Ptr, reflect.Map, reflect.Slice: - return v.IsNil() - case reflect.Array: - for i := 0; i < v.Len(); i++ { - if !isZero(v.Index(i)) { - return false - } - } - return true - case reflect.Struct: - for i := 0; i < v.NumField(); i++ { - if !isZero(v.Field(i)) { - return false - } - } - return true - } - return false -} diff --git a/vendor/github.com/google/go-cmp/cmp/internal/value/sort.go b/vendor/github.com/google/go-cmp/cmp/internal/value/sort.go deleted file mode 100644 index fe8aa27a..00000000 --- a/vendor/github.com/google/go-cmp/cmp/internal/value/sort.go +++ /dev/null @@ -1,111 +0,0 @@ -// Copyright 2017, 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.md file. - -package value - -import ( - "fmt" - "math" - "reflect" - "sort" -) - -// SortKeys sorts a list of map keys, deduplicating keys if necessary. -// The type of each value must be comparable. -func SortKeys(vs []reflect.Value) []reflect.Value { - if len(vs) == 0 { - return vs - } - - // Sort the map keys. - sort.Sort(valueSorter(vs)) - - // Deduplicate keys (fails for NaNs). - vs2 := vs[:1] - for _, v := range vs[1:] { - if isLess(vs2[len(vs2)-1], v) { - vs2 = append(vs2, v) - } - } - return vs2 -} - -// TODO: Use sort.Slice once Google AppEngine is on Go1.8 or above. -type valueSorter []reflect.Value - -func (vs valueSorter) Len() int { return len(vs) } -func (vs valueSorter) Less(i, j int) bool { return isLess(vs[i], vs[j]) } -func (vs valueSorter) Swap(i, j int) { vs[i], vs[j] = vs[j], vs[i] } - -// isLess is a generic function for sorting arbitrary map keys. -// The inputs must be of the same type and must be comparable. -func isLess(x, y reflect.Value) bool { - switch x.Type().Kind() { - case reflect.Bool: - return !x.Bool() && y.Bool() - case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: - return x.Int() < y.Int() - case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr: - return x.Uint() < y.Uint() - case reflect.Float32, reflect.Float64: - fx, fy := x.Float(), y.Float() - return fx < fy || math.IsNaN(fx) && !math.IsNaN(fy) - case reflect.Complex64, reflect.Complex128: - cx, cy := x.Complex(), y.Complex() - rx, ix, ry, iy := real(cx), imag(cx), real(cy), imag(cy) - if rx == ry || (math.IsNaN(rx) && math.IsNaN(ry)) { - return ix < iy || math.IsNaN(ix) && !math.IsNaN(iy) - } - return rx < ry || math.IsNaN(rx) && !math.IsNaN(ry) - case reflect.Ptr, reflect.UnsafePointer, reflect.Chan: - return x.Pointer() < y.Pointer() - case reflect.String: - return x.String() < y.String() - case reflect.Array: - for i := 0; i < x.Len(); i++ { - if isLess(x.Index(i), y.Index(i)) { - return true - } - if isLess(y.Index(i), x.Index(i)) { - return false - } - } - return false - case reflect.Struct: - for i := 0; i < x.NumField(); i++ { - if isLess(x.Field(i), y.Field(i)) { - return true - } - if isLess(y.Field(i), x.Field(i)) { - return false - } - } - return false - case reflect.Interface: - vx, vy := x.Elem(), y.Elem() - if !vx.IsValid() || !vy.IsValid() { - return !vx.IsValid() && vy.IsValid() - } - tx, ty := vx.Type(), vy.Type() - if tx == ty { - return isLess(x.Elem(), y.Elem()) - } - if tx.Kind() != ty.Kind() { - return vx.Kind() < vy.Kind() - } - if tx.String() != ty.String() { - return tx.String() < ty.String() - } - if tx.PkgPath() != ty.PkgPath() { - return tx.PkgPath() < ty.PkgPath() - } - // This can happen in rare situations, so we fallback to just comparing - // the unique pointer for a reflect.Type. This guarantees deterministic - // ordering within a program, but it is obviously not stable. - return reflect.ValueOf(vx.Type()).Pointer() < reflect.ValueOf(vy.Type()).Pointer() - default: - // Must be Func, Map, or Slice; which are not comparable. - panic(fmt.Sprintf("%T is not comparable", x.Type())) - } -} |