autogenpb/addMutex.go

49 lines
1.0 KiB
Go

package main
// will this help things?
// this is a hack for testing for now
// cram a mutex in the pb.go file
import (
"errors"
"fmt"
"os"
"strings"
"go.wit.com/log"
)
func addMutex(names map[string]string) error {
fullname := names["protobase"] + ".pb.go"
log.Info("fullname:", fullname)
data, err := os.ReadFile(fullname)
if err != nil {
// log.Info("open config file :", err)
return err
}
w, _ := os.OpenFile(names["protobase"]+".pb.go", os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
var found bool
lines := strings.Split(string(data), "\n")
for _, line := range lines {
// log.Info("line:", line)
start := "type " + names["Bases"] + " struct {"
if strings.HasSuffix(line, start) {
found = true
log.Info("FOUND line:", line)
fmt.Fprintln(w, line)
fmt.Fprintln(w, "\tLock sync.RWMutex // auto-added by go.wit.com/apps/autogenpb")
fmt.Fprintln(w, "")
} else {
fmt.Fprintln(w, line)
}
}
// os.Exit(-1)
if found {
return nil
}
return errors.New("addMutex() parse didn't work")
}