106 lines
2.2 KiB
Go
106 lines
2.2 KiB
Go
package main
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import (
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"errors"
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"flag"
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"fmt"
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"io/ioutil"
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"os"
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"path/filepath"
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)
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const (
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header = "/* This file is automatically generated. */\n"
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srcdirname = "convert"
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)
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var (
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flagDest string
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flagSrc string
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flagQuiet bool
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flagFormat bool
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)
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func getSrcdir() (string, error) {
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if flagSrc != "" {
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return flagSrc, nil
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}
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workspace := os.Getenv("BUILD_WORKSPACE_DIRECTORY")
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if workspace != "" {
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return workspace, nil
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}
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exe, err := os.Executable()
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if err != nil {
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return "", err
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}
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return filepath.Dir(filepath.Dir(exe)), nil
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}
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func mainE() error {
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srcdir, err := getSrcdir()
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if err != nil {
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return fmt.Errorf("could not find source dir: %v", err)
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}
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destdir := flagDest
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if destdir == "" {
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destdir = filepath.Join(srcdir, srcdirname)
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}
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// Read metadata.
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d, err := readData(srcdir)
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if err != nil {
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return err
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}
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// Compile and emit charmap data.
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var hascmap bool
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for _, c := range d.charmaps {
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if len(c.data) != 0 {
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name := "charmap_" + c.filename + ".dat"
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fpath := filepath.Join(destdir, name)
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if !flagQuiet {
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fmt.Fprintln(os.Stderr, "Writing:", fpath)
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}
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if err := ioutil.WriteFile(fpath, c.data, 0666); err != nil {
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return err
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}
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hascmap = true
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}
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}
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if !hascmap {
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return errors.New("could not compile any character map")
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}
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// Write generated output.
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m := genMap(&d)
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if err := writeMap(&d, m, filepath.Join(destdir, "charmap_region.c")); err != nil {
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return err
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}
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if err := writeInfo(&d, filepath.Join(destdir, "charmap_info.c")); err != nil {
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return err
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}
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if err := writeData(&d, filepath.Join(destdir, "charmap_data.c")); err != nil {
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return err
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}
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if err := writeRez(&d, filepath.Join(destdir, "charmap.r")); err != nil {
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return err
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}
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return nil
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}
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func main() {
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flag.StringVar(&flagDest, "dest", "", "output directory")
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flag.StringVar(&flagSrc, "src", "", "source directory")
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flag.BoolVar(&flagQuiet, "quiet", false, "only output error messages")
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flag.BoolVar(&flagFormat, "format", true, "run clang-format on C output")
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flag.Parse()
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if args := flag.Args(); len(args) != 0 {
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fmt.Fprintf(os.Stderr, "Error: unexpected argument: %q\n", args[0])
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os.Exit(2)
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}
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if err := mainE(); err != nil {
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fmt.Fprintln(os.Stderr, "Error:", err)
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os.Exit(1)
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}
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}
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