diff options
| -rw-r--r-- | asm/lexer.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/asm/lexer.c b/asm/lexer.c index 149d717..40b1748 100644 --- a/asm/lexer.c +++ b/asm/lexer.c @@ -68,6 +68,8 @@ token_t tokenise_symbol(buffer_t *buffer) token_t tokenise_number_literal(buffer_t *buffer) { token_t token = {.type = TOKEN_LITERAL_NUMBER, .str_size = 0}; + if (buffer->data[buffer->used] == '-') + ++token.str_size; for (; token.str_size < space_left(buffer) && isdigit(buffer->data[buffer->used + token.str_size]); ++token.str_size) @@ -105,7 +107,8 @@ token_stream_t tokenise_buffer(buffer_t *buffer) continue; is_token = false; } - else if (isdigit(c)) + else if (isdigit(c) || (space_left(buffer) > 1 && c == '-' && + isdigit(buffer->data[buffer->used + 1]))) t = tokenise_number_literal(buffer); else if (is_symbol(c)) t = tokenise_symbol(buffer); |