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Diffstat (limited to 'src/dma/vendor/golang.org/x/text/unicode/rangetable/gen.go')
-rw-r--r--src/dma/vendor/golang.org/x/text/unicode/rangetable/gen.go115
1 files changed, 115 insertions, 0 deletions
diff --git a/src/dma/vendor/golang.org/x/text/unicode/rangetable/gen.go b/src/dma/vendor/golang.org/x/text/unicode/rangetable/gen.go
new file mode 100644
index 00000000..c2d36741
--- /dev/null
+++ b/src/dma/vendor/golang.org/x/text/unicode/rangetable/gen.go
@@ -0,0 +1,115 @@
+// Copyright 2015 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.
+
+// +build ignore
+
+package main
+
+import (
+ "bytes"
+ "flag"
+ "fmt"
+ "io"
+ "log"
+ "reflect"
+ "strings"
+ "unicode"
+
+ "golang.org/x/text/collate"
+ "golang.org/x/text/internal/gen"
+ "golang.org/x/text/internal/ucd"
+ "golang.org/x/text/language"
+ "golang.org/x/text/unicode/rangetable"
+)
+
+var versionList = flag.String("versions", "",
+ "list of versions for which to generate RangeTables")
+
+const bootstrapMessage = `No versions specified.
+To bootstrap the code generation, run:
+ go run gen.go --versions=4.1.0,5.0.0,6.0.0,6.1.0,6.2.0,6.3.0,7.0.0
+
+and ensure that the latest versions are included by checking:
+ https://www.unicode.org/Public/`
+
+func getVersions() []string {
+ if *versionList == "" {
+ log.Fatal(bootstrapMessage)
+ }
+
+ c := collate.New(language.Und, collate.Numeric)
+ versions := strings.Split(*versionList, ",")
+ c.SortStrings(versions)
+
+ // Ensure that at least the current version is included.
+ for _, v := range versions {
+ if v == gen.UnicodeVersion() {
+ return versions
+ }
+ }
+
+ versions = append(versions, gen.UnicodeVersion())
+ c.SortStrings(versions)
+ return versions
+}
+
+func main() {
+ gen.Init()
+
+ versions := getVersions()
+
+ w := &bytes.Buffer{}
+
+ fmt.Fprintf(w, "//go:generate go run gen.go --versions=%s\n\n", strings.Join(versions, ","))
+ fmt.Fprintf(w, "import \"unicode\"\n\n")
+
+ vstr := func(s string) string { return strings.Replace(s, ".", "_", -1) }
+
+ fmt.Fprintf(w, "var assigned = map[string]*unicode.RangeTable{\n")
+ for _, v := range versions {
+ fmt.Fprintf(w, "\t%q: assigned%s,\n", v, vstr(v))
+ }
+ fmt.Fprintf(w, "}\n\n")
+
+ var size int
+ for _, v := range versions {
+ assigned := []rune{}
+
+ r := gen.Open("https://www.unicode.org/Public/", "", v+"/ucd/UnicodeData.txt")
+ ucd.Parse(r, func(p *ucd.Parser) {
+ assigned = append(assigned, p.Rune(0))
+ })
+
+ rt := rangetable.New(assigned...)
+ sz := int(reflect.TypeOf(unicode.RangeTable{}).Size())
+ sz += int(reflect.TypeOf(unicode.Range16{}).Size()) * len(rt.R16)
+ sz += int(reflect.TypeOf(unicode.Range32{}).Size()) * len(rt.R32)
+
+ fmt.Fprintf(w, "// size %d bytes (%d KiB)\n", sz, sz/1024)
+ fmt.Fprintf(w, "var assigned%s = ", vstr(v))
+ print(w, rt)
+
+ size += sz
+ }
+
+ fmt.Fprintf(w, "// Total size %d bytes (%d KiB)\n", size, size/1024)
+
+ gen.WriteVersionedGoFile("tables.go", "rangetable", w.Bytes())
+}
+
+func print(w io.Writer, rt *unicode.RangeTable) {
+ fmt.Fprintln(w, "&unicode.RangeTable{")
+ fmt.Fprintln(w, "\tR16: []unicode.Range16{")
+ for _, r := range rt.R16 {
+ fmt.Fprintf(w, "\t\t{%#04x, %#04x, %d},\n", r.Lo, r.Hi, r.Stride)
+ }
+ fmt.Fprintln(w, "\t},")
+ fmt.Fprintln(w, "\tR32: []unicode.Range32{")
+ for _, r := range rt.R32 {
+ fmt.Fprintf(w, "\t\t{%#08x, %#08x, %d},\n", r.Lo, r.Hi, r.Stride)
+ }
+ fmt.Fprintln(w, "\t},")
+ fmt.Fprintf(w, "\tLatinOffset: %d,\n", rt.LatinOffset)
+ fmt.Fprintf(w, "}\n\n")
+}