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Simplify rcc_mathop and fix a bug when operation starts with bit operation

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This commit is contained in:
izhuer 2017-06-21 11:13:43 -05:00 committed by radare
parent 0adb01dcb8
commit 590d855f78
1 changed files with 4 additions and 5 deletions
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9
libr/egg/egg_lang.c
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@ -321,23 +321,22 @@ static void rcc_internal_mathop(REgg *egg, char *ptr, char *ep, char op) {
static void rcc_mathop(REgg *egg, char **pos, int level) {
REggEmit *e = egg->remit;
int op_ret = level;
char op, *next_pos, *p;
char op, *next_pos;
while (**pos && is_space (**pos)) (*pos)++;
next_pos = *pos + 1;
do {
op = (is_op (**pos) && !(is_var (*pos)))? **pos: '=';
p = (is_op (**pos) && !(is_var (*pos)))? *pos + 1: *pos;
*pos = (is_op (**pos) && !(is_var (*pos)))? *pos + 1: *pos;
op_ret = get_op (&next_pos);
if (op_ret > level) {
(*pos)++;
rcc_mathop (egg, pos, op_ret);
rcc_internal_mathop (egg, strdup (e->regs (egg, op_ret - 1))
, strdup (e->regs (egg, level - 1)), op);
next_pos = *pos + 1;
} else {
rcc_internal_mathop (egg, p, strdup (e->regs (egg, level - 1)), op);
rcc_internal_mathop (egg, *pos, strdup (e->regs (egg, level - 1)), op);
*pos = next_pos;
next_pos++;
}
@ -1336,7 +1335,7 @@ R_API int r_egg_lang_parsechar(REgg *egg, char c) {
elem_n = 0;
R_FREE (ifelse_table[CTX][nestedi[CTX] - 1])
ifelse_table[CTX][nestedi[CTX] - 1] =
r_str_newf (" __end_%d_%d_%d:",
r_str_newf (" __end_%d_%d_%d",
nfunctions, CTX, nestedi[CTX]);
}
r_egg_printf (egg, " __begin_%d_%d_%d:\n",