func main() {
if len(os.Args) == 2 {
path := os.Args[1]
newFName := path[:strings.Index(path, ".")] + ".asm"
fo, _ := os.Create(newFName)
writer := bufio.NewWriter(fo)
translator := CommandTranslator{
labelCount: 0,
}
cmdtoks := nand2tetris_lib.ReadAndTokenize(path, tokenizeLine)
for i := range cmdtoks {
fmt.Println(cmdtoks[i], typeofCommand(cmdtoks[i]))
asm, success := translator.translate(cmdtoks[i])
if success {
if _, err := writer.WriteString(asm + "\n"); err != nil {
panic(err)
}
}
}
writer.Flush()
}
}
func main() {
if len(os.Args) == 2 {
fname := os.Args[1]
symtab := initSymbolTable()
commands := createHCs(nand2tetris_lib.ReadAndTokenize(fname, tokenizeLine))
var icount uint = 0 // the index of the *next* command
// pass 1: add labels to symbol table
for i := range commands {
cmd := commands[i]
if commands[i].cmdType == L_COMMAND {
L_CMDToBin(cmd, &symtab, icount)
} else {
icount += 1
}
}
counter := 16
varCounter := func() int { counter += 1; return counter - 1 }
newFName := fname[:strings.Index(fname, ".")] + ".hack"
fo, _ := os.Create(newFName)
write := bufio.NewWriter(fo)
for i := range commands {
cmd := commands[i]
bin := ""
switch cmd.cmdType {
case A_COMMAND:
bin = A_CMDToBin(cmd, &symtab, varCounter)
case C_COMMAND:
bin = C_CMDToBin(cmd)
}
if bin != "" {
if _, err := write.WriteString(bin + "\n"); err != nil {
panic(err)
}
}
}
write.Flush()
}
}