Got the scanner running again. Seems to be picking up punctuation, labels, identifiers and strings as expected.

This commit is contained in:
2022-09-29 21:32:08 -05:00
parent e94e486e18
commit 63438b551b
2 changed files with 74 additions and 15 deletions
+52 -14
View File
@@ -21,27 +21,65 @@ int main(int argc, char* args[]) {
if (!ReadAllString(args[1], &source_code, &bytes_read)) return EX_IOERR;
List* list = GenerateTokenList(source_code);
char mnemonic[12];
// for(int i = 0; i < list->size; i++) {
// Token* t = (Token*) list->content[i];
for(int i = 0; i < list->size; i++) {
Token* t = (Token*) list->content[i];
// if (t->type == LineEnd) {
// if (i - 1 >= 0 && ((Token*) list->content[i - 1])->type != LineEnd)
// printf("\n");
if (t->Class == PunctuationClass){
if(t->Value.Punctuation == NewLine) {
if(i - 1 >= 0 && (((Token*)list->content[i - 1])->Class == PunctuationClass && ((Token*)list->content[i - 1])->Value.Punctuation == NewLine)) continue;
// continue;
// }
printf("\n");
continue;
}
// printf("[T: %i][C: %i] '%s' ", t->type, t->token_class, t->lexeme);
// if (t->type == LABEL) printf("* ");
// }
printf("%c ", t->Value.Punctuation);
continue;
}
IRState* image = ParseTokens(list);
//Disassemble(image);
for(int i = 0; i < image->Opcodes->size; i++) {
printf("%d\n", ((IROpcode*) image->Opcodes->content[i])->Mnemonic);
if (t->Class == LabelClass) {
printf("[L]%s* ", t->Lemexe);
continue;
}
if (t->Class == IdentifierClass) {
printf("[I]%s ", t->Lemexe);
continue;
}
if (t->Class == RegisterClass) {
printf("[R]%d", t->Value.Register);
continue;
}
if (t->Class == NumberClass) {
printf("%d ", t->Value.Number);
continue;
}
if (t->Class == MnemonicClass) {
GetMnemonicText(t->Value.Mnemonic, mnemonic);
printf("%s ", mnemonic);
continue;
}
if (t->Class == DirectiveClass) {
printf("[D]%d ", t->Value.Directive);
}
if (t->Class == CharacterClass) {
printf("%s ", t->Lemexe);
}
}
//IRState* image = ParseTokens(list);
//Disassemble(image);
//for(int i = 0; i < image->Opcodes->size; i++) {
// printf("%d\n", ((IROpcode*) image->Opcodes->content[i])->Mnemonic);
//}
//FILE* program = fopen("program.bin", "w+b");
//fwrite(image, 1, image[2] + image[3], program);
+22 -1
View File
@@ -156,9 +156,30 @@ int IsRegister(const char* text, Registers* reg) {
if (!text) return 0;
int length = strlen(text);
Registers r = R8;
if (length != 2) return 0;
if (text[0] != 'r') return 0;
return text[1] >= '1' && text[1] <= '8';
switch(text[1]) {
case '1':
r--;
case '2':
r--;
case '3':
r--;
case '4':
r--;
case '5':
r--;
case '6':
r--;
case '7':
r--;
case '8':
if (reg) *reg = r;
return 1;
default:
return 0;
}
}