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-rw-r--r--vendor/golang.org/x/tools/internal/versions/gover.go172
1 files changed, 0 insertions, 172 deletions
diff --git a/vendor/golang.org/x/tools/internal/versions/gover.go b/vendor/golang.org/x/tools/internal/versions/gover.go
deleted file mode 100644
index bbabcd2..0000000
--- a/vendor/golang.org/x/tools/internal/versions/gover.go
+++ /dev/null
@@ -1,172 +0,0 @@
-// Copyright 2023 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.
-
-// This is a fork of internal/gover for use by x/tools until
-// go1.21 and earlier are no longer supported by x/tools.
-
-package versions
-
-import "strings"
-
-// A gover is a parsed Go gover: major[.Minor[.Patch]][kind[pre]]
-// The numbers are the original decimal strings to avoid integer overflows
-// and since there is very little actual math. (Probably overflow doesn't matter in practice,
-// but at the time this code was written, there was an existing test that used
-// go1.99999999999, which does not fit in an int on 32-bit platforms.
-// The "big decimal" representation avoids the problem entirely.)
-type gover struct {
- major string // decimal
- minor string // decimal or ""
- patch string // decimal or ""
- kind string // "", "alpha", "beta", "rc"
- pre string // decimal or ""
-}
-
-// compare returns -1, 0, or +1 depending on whether
-// x < y, x == y, or x > y, interpreted as toolchain versions.
-// The versions x and y must not begin with a "go" prefix: just "1.21" not "go1.21".
-// Malformed versions compare less than well-formed versions and equal to each other.
-// The language version "1.21" compares less than the release candidate and eventual releases "1.21rc1" and "1.21.0".
-func compare(x, y string) int {
- vx := parse(x)
- vy := parse(y)
-
- if c := cmpInt(vx.major, vy.major); c != 0 {
- return c
- }
- if c := cmpInt(vx.minor, vy.minor); c != 0 {
- return c
- }
- if c := cmpInt(vx.patch, vy.patch); c != 0 {
- return c
- }
- if c := strings.Compare(vx.kind, vy.kind); c != 0 { // "" < alpha < beta < rc
- return c
- }
- if c := cmpInt(vx.pre, vy.pre); c != 0 {
- return c
- }
- return 0
-}
-
-// lang returns the Go language version. For example, lang("1.2.3") == "1.2".
-func lang(x string) string {
- v := parse(x)
- if v.minor == "" || v.major == "1" && v.minor == "0" {
- return v.major
- }
- return v.major + "." + v.minor
-}
-
-// isValid reports whether the version x is valid.
-func isValid(x string) bool {
- return parse(x) != gover{}
-}
-
-// parse parses the Go version string x into a version.
-// It returns the zero version if x is malformed.
-func parse(x string) gover {
- var v gover
-
- // Parse major version.
- var ok bool
- v.major, x, ok = cutInt(x)
- if !ok {
- return gover{}
- }
- if x == "" {
- // Interpret "1" as "1.0.0".
- v.minor = "0"
- v.patch = "0"
- return v
- }
-
- // Parse . before minor version.
- if x[0] != '.' {
- return gover{}
- }
-
- // Parse minor version.
- v.minor, x, ok = cutInt(x[1:])
- if !ok {
- return gover{}
- }
- if x == "" {
- // Patch missing is same as "0" for older versions.
- // Starting in Go 1.21, patch missing is different from explicit .0.
- if cmpInt(v.minor, "21") < 0 {
- v.patch = "0"
- }
- return v
- }
-
- // Parse patch if present.
- if x[0] == '.' {
- v.patch, x, ok = cutInt(x[1:])
- if !ok || x != "" {
- // Note that we are disallowing prereleases (alpha, beta, rc) for patch releases here (x != "").
- // Allowing them would be a bit confusing because we already have:
- // 1.21 < 1.21rc1
- // But a prerelease of a patch would have the opposite effect:
- // 1.21.3rc1 < 1.21.3
- // We've never needed them before, so let's not start now.
- return gover{}
- }
- return v
- }
-
- // Parse prerelease.
- i := 0
- for i < len(x) && (x[i] < '0' || '9' < x[i]) {
- if x[i] < 'a' || 'z' < x[i] {
- return gover{}
- }
- i++
- }
- if i == 0 {
- return gover{}
- }
- v.kind, x = x[:i], x[i:]
- if x == "" {
- return v
- }
- v.pre, x, ok = cutInt(x)
- if !ok || x != "" {
- return gover{}
- }
-
- return v
-}
-
-// cutInt scans the leading decimal number at the start of x to an integer
-// and returns that value and the rest of the string.
-func cutInt(x string) (n, rest string, ok bool) {
- i := 0
- for i < len(x) && '0' <= x[i] && x[i] <= '9' {
- i++
- }
- if i == 0 || x[0] == '0' && i != 1 { // no digits or unnecessary leading zero
- return "", "", false
- }
- return x[:i], x[i:], true
-}
-
-// cmpInt returns cmp.Compare(x, y) interpreting x and y as decimal numbers.
-// (Copied from golang.org/x/mod/semver's compareInt.)
-func cmpInt(x, y string) int {
- if x == y {
- return 0
- }
- if len(x) < len(y) {
- return -1
- }
- if len(x) > len(y) {
- return +1
- }
- if x < y {
- return -1
- } else {
- return +1
- }
-}