72 lines
1.4 KiB
Go
72 lines
1.4 KiB
Go
/*
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* Copyright (c) 2022 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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"encoding/json"
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"flag"
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"fmt"
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"os"
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"github.com/goplus/llgo/_xtool/clang/parser"
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)
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var (
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dump = flag.Bool("dump", false, "dump AST")
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)
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func usage() {
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fmt.Fprintf(os.Stderr, "Usage: clangast [-dump] source.i\n")
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flag.PrintDefaults()
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}
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func main() {
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flag.Usage = usage
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flag.Parse()
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if flag.NArg() < 1 {
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usage()
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return
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}
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var file = flag.Arg(0)
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var err error
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if *dump {
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doc, _, e := parser.DumpAST(file, nil)
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if e == nil {
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os.Stdout.Write(doc)
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return
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}
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err = e
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} else {
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doc, _, e := parser.ParseFile(file, 0)
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if e == nil {
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enc := json.NewEncoder(os.Stdout)
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enc.SetIndent("", " ")
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check(enc.Encode(doc))
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return
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}
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err = e
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}
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fmt.Fprintln(os.Stderr, err)
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os.Exit(1)
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}
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func check(err error) {
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if err != nil {
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panic(err)
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}
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}
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