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Implemented CALL(_STACK) and RET on the assembler

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This commit is contained in:
Aryadev Chavali
2023-11-02 23:29:23 +00:00
parent bd39c2b283
commit 6c4469958e
3 changed files with 38 additions and 1 deletions
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13
asm/parser.c
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@@ -418,6 +418,19 @@ perr_t parse_next(token_stream_t *stream, presult_t *ret)
*ret = (presult_t){.instruction = INST_JUMP_IF(BYTE, 0)};
return parse_jump_inst_operand(stream, ret);
}
case TOKEN_CALL:
*ret = (presult_t){.instruction = INST_CALL(0)};
++stream->used;
if (stream->used >= stream->available)
return PERR_EXPECTED_OPERAND;
return parse_word_label_or_relative(stream, ret);
case TOKEN_CALL_STACK:
*ret = (presult_t){.instruction = INST_CALL_STACK,
.type = PRES_COMPLETE_RESULT};
break;
case TOKEN_RET:
*ret = (presult_t){.instruction = INST_RET, .type = PRES_COMPLETE_RESULT};
break;
case TOKEN_SYMBOL: {
size_t label_size = strcspn(token.str, ":");
if (label_size == strlen(token.str))