func main() {
if len(os.Args) < 2 {
fmt.Fprintln(os.Stderr, "no files given")
os.Exit(1)
}
parseMode := os.Args[1] == "parse"
filename := os.Args[1]
if parseMode {
filename = os.Args[2]
}
data, err := ioutil.ReadFile(filename)
if err != nil {
fmt.Fprintln(os.Stderr, err.Error())
os.Exit(1)
}
tokens := tokenizer.Tokenize(string(data))
tree := parser.Parse(tokens)
if parseMode {
fmt.Print(tree.ToXML())
} else {
fmt.Print(compiler.Compile(tree))
}
}
func testMainOutput(t *testing.T, jackFile string) {
xmlFile := regexp.MustCompile(`\.jack$`).ReplaceAllString(jackFile, ".xml")
name := strings.Split(filepath.Base(jackFile), ".")[0]
code, err := ioutil.ReadFile(jackFile)
if err != nil {
t.Error(err)
return
}
parserOutput := parser.Parse(tokenizer.Tokenize(string(code))).ToXML()
file, _ := ioutil.TempFile("", "")
file.Write([]byte(parserOutput))
output, err := exec.Command(toolPath, file.Name(), xmlFile).CombinedOutput()
if err != nil {
t.Errorf("%s: %s %v", name, output, err)
}
}