99 lines
2.2 KiB
Go
99 lines
2.2 KiB
Go
/*
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* Copyright (c) 2023 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 main
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import (
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"flag"
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"fmt"
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"os"
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"strings"
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"github.com/qiniu/x/log"
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"github.com/goplus/llgo/cmd/internal/base"
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"github.com/goplus/llgo/cmd/internal/build"
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"github.com/goplus/llgo/cmd/internal/clean"
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"github.com/goplus/llgo/cmd/internal/help"
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"github.com/goplus/llgo/cmd/internal/install"
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"github.com/goplus/llgo/cmd/internal/run"
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)
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func mainUsage() {
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help.PrintUsage(os.Stderr, base.Llgo)
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os.Exit(2)
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}
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func init() {
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flag.Usage = mainUsage
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base.Llgo.Commands = []*base.Command{
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build.Cmd,
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install.Cmd,
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run.Cmd,
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run.CmpTestCmd,
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clean.Cmd,
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}
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}
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func main() {
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flag.Parse()
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args := flag.Args()
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if len(args) < 1 {
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flag.Usage()
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}
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log.SetFlags(log.Ldefault &^ log.LstdFlags)
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base.CmdName = args[0] // for error messages
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if args[0] == "help" {
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help.Help(os.Stderr, args[1:])
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return
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}
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BigCmdLoop:
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for bigCmd := base.Llgo; ; {
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for _, cmd := range bigCmd.Commands {
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if cmd.Name() != args[0] {
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continue
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}
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args = args[1:]
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if len(cmd.Commands) > 0 {
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bigCmd = cmd
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if len(args) == 0 {
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help.PrintUsage(os.Stderr, bigCmd)
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os.Exit(2)
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}
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if args[0] == "help" {
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help.Help(os.Stderr, append(strings.Split(base.CmdName, " "), args[1:]...))
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return
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}
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base.CmdName += " " + args[0]
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continue BigCmdLoop
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}
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if !cmd.Runnable() {
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continue
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}
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cmd.Run(cmd, args)
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return
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}
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helpArg := ""
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if i := strings.LastIndex(base.CmdName, " "); i >= 0 {
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helpArg = " " + base.CmdName[:i]
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}
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fmt.Fprintf(os.Stderr, "llgo %s: unknown command\nRun 'llgo help%s' for usage.\n", base.CmdName, helpArg)
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os.Exit(2)
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}
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}
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