func main() {
if len(os.Args) < 3 {
fmt.Printf("usage: ./main grammar_file program_file\n")
os.Exit(1)
}
gmr, err := ioutil.ReadFile(os.Args[1])
if err != nil {
fmt.Printf("'%s' is not a valid file name\n", os.Args[1])
}
pgm, err := ioutil.ReadFile(os.Args[2])
if err != nil {
fmt.Printf("'%s' is not a valid file name\n", os.Args[1])
}
// First file should be the grammar, second is the file being parsed
gmrReader := bytes.NewReader(gmr)
pgmReader := bytes.NewReader(pgm)
// Get the grammar from the analyzer
a := compiler.Analyzer{Reader: *gmrReader}
grammar := a.ReadGrammar()
// Create a generator, necessary for table
g := compiler.Generator{Grammar: grammar}
// Setup the parser
p := compiler.Parser{Grammar: a.ReadGrammar(), Reader: *pgmReader}
p.Scanner = compiler.Scanner{Reader: *pgmReader}
p.Table = g.GetTable()
p.Driver()
}
func main() {
if len(os.Args) < 2 {
fmt.Printf("You must pass in a micro file on the command line\n")
os.Exit(1)
}
src, err := ioutil.ReadFile(os.Args[1])
if err != nil {
fmt.Printf("'%s' is not a valid file name\n", os.Args[1])
}
reader := bytes.NewReader(src)
a := compiler.Analyzer{Reader: *reader}
g := compiler.Generator{Grammar: a.ReadGrammar()}
g.Table()
}