diff options
Diffstat (limited to 'src/main.go')
| -rw-r--r-- | src/main.go | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/src/main.go b/src/main.go index d89f83e..8275d6e 100644 --- a/src/main.go +++ b/src/main.go @@ -57,7 +57,6 @@ func tokenize(path string) []Token { } tokenBuf := Token{str: buf, line: lineIndex + 1, offset: offset - len(buf) + 1} tokens = append(tokens, tokenBuf) - buf = "" } } @@ -70,6 +69,7 @@ func parse(tokens[]Token) []Operation { var iflabel int = 0 var looplabels[] int var looplabel int = 0 + var stringlabel int = 0 for i := 0; i < len(tokens); i++ { var op Operation @@ -126,16 +126,21 @@ func parse(tokens[]Token) []Operation { op.label = fmt.Sprintf(".done%d", looplabels[len(looplabels) - 1]) looplabels = looplabels[:len(looplabels) - 1] + case "pushstr": + op.name = "pushstring" + i++ + op.strData = tokens[i].str + op.intData = len(tokens[i].str) + op.label = fmt.Sprintf("string_%d", stringlabel) + stringlabel++ + default: number, err := strconv.Atoi(tokens[i].str); if err == nil { - print("here") op.name = "number" op.intData= number - } else if tokens[i].str[0] == '"' { - panic("string parsing is not implemented") } else { - panic("invalid word") + panic ("invalid word") } } ops = append(ops, op) @@ -144,6 +149,7 @@ func parse(tokens[]Token) []Operation { } func compileX86_64(ops[] Operation) { + var strings[][2] string print("section .text") print("global _start") print("_start:") @@ -231,6 +237,11 @@ func compileX86_64(ops[] Operation) { fmt.Printf(" jmp %s\n", ops[i].crosslabel) fmt.Printf("%s:\n", ops[i].label) + case "pushstring": + fmt.Printf(" push %d\n", ops[i].intData) + fmt.Printf(" push %s\n", ops[i].label) + strings = append(strings, [2]string {ops[i].strData, ops[i].label}) + case "number": fmt.Printf(" push %d\n", ops[i].intData) @@ -321,6 +332,9 @@ func compileX86_64(ops[] Operation) { print(" ret") print("section .data") + for i := 0; i < len(strings); i++ { + fmt.Printf("%s: db \"%s\", 10\n", strings[i][1], strings[i][0]) + } } func main() { |