github.com/goplus/llgo@v0.8.3/chore/clangpp/clangpp.go (about)

     1  /*
     2   * Copyright (c) 2022 The GoPlus Authors (goplus.org). All rights reserved.
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   *     http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16  
    17  package main
    18  
    19  import (
    20  	"fmt"
    21  	"os"
    22  
    23  	"github.com/goplus/llgo/xtool/clang/preprocessor"
    24  )
    25  
    26  func usage() {
    27  	fmt.Fprintf(os.Stderr, "Usage: clangpp source.c\n")
    28  }
    29  
    30  func main() {
    31  	if len(os.Args) < 2 {
    32  		usage()
    33  		return
    34  	}
    35  	infile := os.Args[1]
    36  	outfile := infile + ".i"
    37  	if err := preprocessor.Do(infile, outfile, nil); err != nil {
    38  		fmt.Fprintln(os.Stderr, err)
    39  		os.Exit(1)
    40  	}
    41  }