File size: 2,380 Bytes
d289b5b | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 | // Copyright 2023 Google LLC
//
// 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 main
import (
"bytes"
"fmt"
"log"
"os"
"os/exec"
"path/filepath"
)
func ExecBuildCommand(bin string, args []string) (int, string, string) {
// Executes the original command.
cmd := exec.Command(bin, args...)
var outb, errb bytes.Buffer
cmd.Stdout = &outb
cmd.Stderr = &errb
cmd.Stdin = os.Stdin
cmd.Run()
return cmd.ProcessState.ExitCode(), outb.String(), errb.String()
}
func Compile(bin string, args []string) (int, string, string) {
// Run the actual command.
return ExecBuildCommand(bin, args)
}
func AppendStringToFile(filepath, new_content string) error {
// Appends |new_content| to the content of |filepath|.
file, err := os.OpenFile(filepath, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
if err != nil {
return err
}
defer file.Close()
_, err = file.WriteString(new_content)
return err
}
func WriteStdErrOut(args []string, outstr string, errstr string) {
// Prints |outstr| to stdout, prints |errstr| to stderr, and saves |errstr| to err.log.
fmt.Print(outstr)
fmt.Fprint(os.Stderr, errstr)
// Record what compile args produced the error and the error itself in log file.
AppendStringToFile("/tmp/err.log", fmt.Sprintf("%s\n", args)+errstr)
}
func main() {
f, err := os.OpenFile("/tmp/jcc.log", os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
if err != nil {
log.Println(err)
}
defer f.Close()
if _, err := f.WriteString(fmt.Sprintf("%s\n", os.Args)); err != nil {
log.Println(err)
}
args := os.Args[1:]
basename := filepath.Base(os.Args[0])
isCPP := basename == "clang++-jcc"
newArgs := args
var bin string
if isCPP {
bin = "clang++"
} else {
bin = "clang"
}
fullCmdArgs := append([]string{bin}, newArgs...)
retcode, out, errstr := Compile(bin, newArgs)
WriteStdErrOut(fullCmdArgs, out, errstr)
os.Exit(retcode)
}
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