diff options
Diffstat (limited to 'asm/lexer.c')
| -rw-r--r-- | asm/lexer.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/asm/lexer.c b/asm/lexer.c index 49756f5..5218d16 100644 --- a/asm/lexer.c +++ b/asm/lexer.c @@ -34,6 +34,8 @@ const char *token_type_as_cstr(token_type_t type) return "GLOBAL"; case TOKEN_STAR: return "STAR"; + case TOKEN_LITERAL_STRING: + return "LITERAL_STRING"; case TOKEN_LITERAL_NUMBER: return "LITERAL_NUMBER"; case TOKEN_LITERAL_CHAR: @@ -461,6 +463,24 @@ token_t tokenise_char_literal(buffer_t *buffer, size_t *column) return token; } +token_t tokenise_string_literal(buffer_t *buffer, size_t *column) +{ + ++buffer->used; + size_t string_size; + for (string_size = 0; string_size + buffer->used < buffer->available && + buffer->data[buffer->used + string_size] != '\"'; + ++string_size) + continue; + token_t t = {.type = TOKEN_LITERAL_STRING, + .column = *column, + .str = malloc(string_size + 1), + .str_size = string_size}; + memcpy(t.str, buffer->data + (buffer->used - string_size), string_size); + t.str[string_size] = '\0'; + *column += string_size + 1; + return t; +} + lerr_t tokenise_buffer(buffer_t *buffer, token_stream_t *tokens_ptr) { size_t column = 0, line = 1; @@ -507,6 +527,8 @@ lerr_t tokenise_buffer(buffer_t *buffer, token_stream_t *tokens_ptr) t.str[0] = '\0'; ++buffer->used; } + else if (c == '\"') + t = tokenise_string_literal(buffer, &column); else if (isdigit(c) || (space_left(buffer) > 1 && c == '-' && isdigit(buffer->data[buffer->used + 1]))) t = tokenise_number_literal(buffer, &column); |