Files
llgo/gen.go
xushiwei edb7a4e1a5 ssadump
2024-04-23 18:57:46 +08:00

99 lines
2.6 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 llgo
/*
import (
"fmt"
"io/fs"
"os"
"path/filepath"
"strings"
"github.com/qiniu/x/errors"
)
type GenFlags int
const (
GenFlagCheckOnly GenFlags = 1 << iota
GenFlagPrintError
GenFlagPrompt
)
// Gen generates llgo_autogen.ll for a Go package directory.
func Gen(dir string, conf *Config, genTestPkg bool, flags GenFlags) (string, bool, error) {
recursively := strings.HasSuffix(dir, "/...")
if recursively {
dir = dir[:len(dir)-4]
}
return dir, recursively, genDir(dir, conf, genTestPkg, recursively, flags)
}
func genDir(dir string, conf *Config, genTestPkg, recursively bool, flags GenFlags) (err error) {
if conf == nil {
conf = new(Config)
}
if recursively {
var (
list errors.List
)
fn := func(path string, d fs.DirEntry, err error) error {
if err == nil && d.IsDir() {
if strings.HasPrefix(d.Name(), "_") || (path != dir && hasMod(path)) { // skip _
return filepath.SkipDir
}
if e := genGoIn(path, conf, genTestPkg, flags); e != nil && notIgnNotated(e, conf) {
if flags&GenFlagPrintError != 0 {
fmt.Fprintln(os.Stderr, e)
}
list.Add(e)
}
}
return err
}
err = filepath.WalkDir(dir, fn)
if err != nil {
return errors.NewWith(err, `filepath.WalkDir(dir, fn)`, -2, "filepath.WalkDir", dir, fn)
}
return list.ToError()
}
if e := genGoIn(dir, conf, genTestPkg, flags); e != nil && notIgnNotated(e, conf) {
if (flags & GenFlagPrintError) != 0 {
fmt.Fprintln(os.Stderr, e)
}
err = e
}
return
}
func hasMod(dir string) bool {
_, err := os.Lstat(dir + "/go.mod")
return err == nil
}
// GenPkgPath generates llgo_autogen.ll for a Go package.
func GenPkgPath(workDir, pkgPath string, conf *Config, allowExtern bool, flags GenFlags) (localDir string, recursively bool, err error) {
panic("todo")
}
// GenFiles generates llgo_autogen.ll for specified Go files.
func GenFiles(autogen string, files []string, conf *Config) (outFiles []string, err error) {
panic("todo")
}
*/