96 lines
2.3 KiB
Go
96 lines
2.3 KiB
Go
/*
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* Copyright (c) 2024 The GoPlus Authors (goplus.org). All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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// Package build implements the “llgo gen command.
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package gen
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import (
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"fmt"
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"log"
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"os"
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"reflect"
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"github.com/goplus/llgo"
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"github.com/goplus/llgo/cl"
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"github.com/goplus/llgo/cmd/internal/base"
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"github.com/goplus/llgo/internal/projs"
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"github.com/goplus/llgo/ssa"
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"github.com/qiniu/x/errors"
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)
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// llgo gen
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var Cmd = &base.Command{
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UsageLine: "llgo gen [-v] [packages|files]",
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Short: "Convert Go code into LLVM ir (*.ll) code",
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}
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var (
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flag = &Cmd.Flag
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flagVerbose = flag.Bool("v", false, "print verbose information")
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)
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func init() {
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Cmd.Run = runCmd
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}
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func runCmd(cmd *base.Command, args []string) {
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err := flag.Parse(args)
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if err != nil {
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log.Panicln("parse input arguments failed:", err)
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}
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pattern := flag.Args()
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if len(pattern) == 0 {
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pattern = []string{"."}
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}
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projects, err := projs.ParseAll(pattern...)
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if err != nil {
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log.Panicln("gopprojs.ParseAll:", err)
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}
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ssa.Initialize(ssa.InitAll)
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if *flagVerbose {
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ssa.SetDebug(ssa.DbgFlagAll)
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cl.SetDebug(cl.DbgFlagAll)
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}
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for _, proj := range projects {
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switch v := proj.(type) {
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case *projs.DirProj:
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_, _, err = llgo.Gen(v.Dir, nil, true, 0)
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case *projs.PkgPathProj:
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_, _, err = llgo.GenPkgPath("", v.Path, nil, true, 0)
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case *projs.FilesProj:
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_, err = llgo.GenFiles("", v.Files, nil)
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default:
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log.Panicln("`llgo gen` doesn't support", reflect.TypeOf(v))
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}
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if err != nil {
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fmt.Fprintf(os.Stderr, "llgo gen failed: %d errors.\n", errorNum(err))
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os.Exit(1)
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}
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}
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}
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func errorNum(err error) int {
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if e, ok := err.(errors.List); ok {
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return len(e)
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}
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return 1
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}
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// -----------------------------------------------------------------------------
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