Files
llgo/chore/llcppg/llcppg.go
2024-07-25 19:18:26 +08:00

93 lines
1.9 KiB
Go

/*
* Copyright (c) 2024 The GoPlus Authors (goplus.org). All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package main
import (
"bytes"
"encoding/json"
"fmt"
"io"
"os"
"os/exec"
"github.com/goplus/llgo/chore/llcppg/types"
"github.com/goplus/llgo/xtool/env"
)
func llcppsymg(conf []byte) error {
cmd := exec.Command("llcppsymg", "-")
cmd.Stdin = bytes.NewReader(conf)
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
return cmd.Run()
}
func llcppsigfetch(conf []byte, out io.Writer) {
cmd := exec.Command("llcppsigfetch", "-")
cmd.Stdin = bytes.NewReader(conf)
cmd.Stdout = out
cmd.Stderr = os.Stderr
err := cmd.Run()
check(err)
}
func gogensig(in io.Reader) error {
cmd := exec.Command("gogensig", "-")
cmd.Stdin = in
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
return cmd.Run()
}
func main() {
cfgFile := "llcppg.cfg"
if len(os.Args) > 1 {
cfgFile = os.Args[1]
}
if cfgFile == "-h" || cfgFile == "--help" {
fmt.Fprintln(os.Stderr, "Usage: llcppg [config-file]")
return
}
f, err := os.Open(cfgFile)
check(err)
defer f.Close()
var conf types.Config
json.NewDecoder(f).Decode(&conf)
conf.CFlags = env.ExpandEnv(conf.CFlags)
conf.Libs = env.ExpandEnv(conf.Libs)
b, err := json.MarshalIndent(&conf, "", " ")
check(err)
err = llcppsymg(b)
check(err)
r, w := io.Pipe()
go llcppsigfetch(b, w)
err = gogensig(r)
check(err)
}
func check(err error) {
if err != nil {
panic(err)
}
}