2 * Copyright (C) 2013-2014 Jo-Philipp Wich <jow@openwrt.org>
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
24 #include <libubox/utils.h>
27 jp_alloc_op(struct jp_state *s, int type, int num, char *str, ...)
31 struct jp_opcode *newop, *child;
33 newop = calloc_a(sizeof(*newop),
34 str ? &ptr : NULL, str ? strlen(str) + 1 : 0);
38 fprintf(stderr, "Out of memory\n");
46 newop->str = strcpy(ptr, str);
50 while ((child = va_arg(ap, void *)) != NULL)
54 append_op(newop->down, child);
58 newop->next = s->pool;
65 jp_free(struct jp_state *s)
67 struct jp_opcode *op, *tmp;
69 for (op = s->pool; op;)
83 jp_parse(const char *expr)
87 const char *ptr = expr;
89 int len = strlen(expr);
92 s = calloc(1, sizeof(*s));
97 pParser = ParseAlloc(malloc);
104 s->off = (ptr - expr);
106 op = jp_get_token(s, ptr, &mlen);
111 s->error = strdup((mlen == -3) ? "String too long" :
112 (mlen == -2) ? "Invalid escape sequence" :
113 (mlen == -1) ? "Unterminated string" :
120 Parse(pParser, op->type, op, s);
126 Parse(pParser, 0, NULL, s);
129 ParseFree(pParser, free);