diff options
Diffstat (limited to 'lexer.c')
| -rw-r--r-- | lexer.c | 25 |
1 files changed, 16 insertions, 9 deletions
@@ -588,19 +588,21 @@ char *parse_escape(char *s, char *code) { } } -uint64_t parse_quote(char **s, char delm, int get_value, uint8_t dbg) { +uint64_t parse_quote(char **s, char delm, int get_value, uint8_t *buf, uint8_t dbg) { uint64_t value = 0; - uint8_t *tmp_val = (uint8_t *)&value; - char *str = *s+1; + uint8_t *tmp_val = (buf != NULL) ? buf : (uint8_t *)&value; + const uint8_t has_delm = (delm && **s == delm); + char *str = *s+has_delm; + int i; - for (int i = 0; *str; i++) { + for (i = 0; *str; i++) { char c; /* Are we at the start of an escape character? */ if (*str == '\\') { str = parse_escape(str, &c); } else { c = *str++; - if (c == delm) { + if (delm && c == delm) { if (*str == delm) { /* Allow for multiple repeated * instances of delm to be treated @@ -612,14 +614,19 @@ uint64_t parse_quote(char **s, char delm, int get_value, uint8_t dbg) { } } } - if (get_value && i < sizeof(uint64_t)) { + if (get_value && (buf != NULL || i < sizeof(uint64_t))) { tmp_val[i] = c; } } + if (get_value && buf != NULL) { + tmp_val[i] = '\0'; + } + //i = (get_value && buf != NULL && i > len) ? len : i; + *s = str; - return value; + return (buf != NULL) ? ++i : value; } expr *make_expr(int type, uint64_t value, symbol *sym, uint8_t dbg) { @@ -732,7 +739,7 @@ int get_expr_type(char **p, uint64_t address, void *val, int *found_reg, char st break; case PTOK_SQUOTE: type = EXPR_CHAR; - value = parse_quote(&str, *str, 1, dbg); + value = parse_quote(&str, *str, 1, NULL, dbg); *(uint64_t *)val = value; break; case PTOK_AT: @@ -1004,7 +1011,7 @@ uint64_t lex(char *str, uint64_t address, uint16_t bline, uint8_t dbg) { do { char *tmp = (str + i); int get_value = (ptok == PTOK_SQUOTE); - value = parse_quote(&tmp, str[i], get_value, dbg); + value = parse_quote(&tmp, str[i], get_value, NULL, dbg); tmp--; i++; j = tmp - (str + i); |