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/* radare - LGPL - Copyright 2009-2013 - nibble, pancake */
#include <stdio.h>
#include <r_types.h>
#include <r_parse.h>
#include <list.h>
#include "../config.h"
R_LIB_VERSION (r_parse);
static RParsePlugin *parse_static_plugins[] =
{ R_PARSE_STATIC_PLUGINS };
R_API RParse *r_parse_new() {
int i;
RParsePlugin *static_plugin;
RParse *p = R_NEW (RParse);
if (!p) return NULL;
p->user = NULL;
p->parsers = r_list_new ();
p->parsers->free = NULL; // memleak
p->notin_flagspace = -1;
p->flagspace = -1;
for (i=0; parse_static_plugins[i]; i++) {
static_plugin = R_NEW (RParsePlugin);
memcpy (static_plugin, parse_static_plugins[i],
sizeof (RParsePlugin));
r_parse_add (p, static_plugin);
}
return p;
}
R_API void r_parse_free(RParse *p) {
r_list_free (p->parsers);
free (p);
}
R_API int r_parse_add(RParse *p, RParsePlugin *foo) {
if (foo->init)
foo->init (p->user);
r_list_append (p->parsers, foo);
return R_TRUE;
}
R_API int r_parse_use(RParse *p, const char *name) {
RListIter *iter;
RParsePlugin *h;
r_list_foreach (p->parsers, iter, h) {
if (!strcmp (h->name, name)) {
p->cur = h;
return R_TRUE;
}
}
return R_FALSE;
}
R_API int r_parse_assemble(RParse *p, char *data, char *str) {
char *in = strdup (str);
int ret = R_FALSE;
char *s, *o;
data[0]='\0';
if (p->cur && p->cur->assemble) {
o = data+strlen (data);
do {
s = strchr (str, ';');
if (s) *s='\0';
ret = p->cur->assemble (p, o, str);
if (!ret) break;
if (s) {
str = s + 1;
o = o+strlen (data);
o[0]='\n';
o[1]='\0';
o++;
}
} while (s);
}
free (in);
return ret;
}
R_API int r_parse_parse(RParse *p, const char *data, char *str) {
if (p->cur && p->cur->parse)
return p->cur->parse (p, data, str);
return R_FALSE;
}
#define isx86separator(x) ( \
(x)==' '||(x)=='\t'||(x)=='\n'|| (x)=='\r'||(x)==' '|| \
(x)==','||(x)==';'||(x)=='['||(x)==']'|| \
(x)=='('||(x)==')'||(x)=='{'||(x)=='}'||(x)=='\x1b')
static int isvalidflag(RFlagItem *flag) {
if (flag && strchr (flag->name, '.')) {
return 1; //strlen (flag->name)>3) {
}
return 0;
}
static int filter(RParse *p, RFlag *f, char *data, char *str, int len) {
char *ptr = data, *ptr2;
RAnalFunction *fcn;
RFlagItem *flag;
ut64 off;
int x86 = (p&&p->cur&&p->cur->name)?
(strstr (p->cur->name, "x86")? 1: 0): 0;
ptr2 = NULL;
while ((ptr = strstr (ptr, "0x"))) {
if (x86) for (ptr2 = ptr; *ptr2 && !isx86separator (*ptr2); ptr2++);
else for (ptr2 = ptr; *ptr2 && ((*ptr2=='\x1b')||!isseparator (*ptr2)); ptr2++);
off = r_num_math (NULL, ptr);
if (!off) {
ptr = ptr2;
continue;
}
fcn = r_anal_fcn_find (p->anal, off, 0);
if (fcn) {
if (fcn->addr == off) {
*ptr = 0;
snprintf (str, len, "%s%s%s", data, fcn->name,
(ptr!=ptr2)? ptr2: "");
return R_TRUE;
}
}
if (f) {
flag = r_flag_get_i2 (f, off);
if (isvalidflag (flag)) {
if (p->notin_flagspace != -1) {
if (p->flagspace == flag->space)
continue;
} else
if (p->flagspace != -1 && \
(p->flagspace != flag->space)) {
ptr = ptr2;
continue;
}
*ptr = 0;
snprintf (str, len, "%s%s%s", data, flag->name,
(ptr!=ptr2)? ptr2: "");
return R_TRUE;
}
}
ptr = ptr2;
}
strncpy (str, data, len);
return R_FALSE;
}
R_API int r_parse_filter(RParse *p, RFlag *f, char *data, char *str, int len) {
filter (p, f, data, str, len);
if (p->cur && p->cur->filter)
return p->cur->filter (p, f, data, str, len);
return R_FALSE;
}
R_API int r_parse_varsub(RParse *p, RAnalFunction *f, char *data, char *str, int len) {
if (p->cur && p->cur->varsub)
return p->cur->varsub (p, f, data, str, len);
return R_FALSE;
}
/* setters */
R_API void r_parse_set_user_ptr(RParse *p, void *user) {
p->user = user;
}
R_API void r_parse_set_flagspace(RParse *p, int fs) {
p->flagspace = fs;
}
/* TODO: DEPRECATE */
R_API int r_parse_list(RParse *p) {
RListIter *iter;
RParsePlugin *h;
r_list_foreach (p->parsers, iter, h) {
printf ("parse %10s %s\n", h->name, h->desc);
}
return R_FALSE;
}
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