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Diffstat (limited to 'src/regparse.c')
-rw-r--r--src/regparse.c315
1 files changed, 208 insertions, 107 deletions
diff --git a/src/regparse.c b/src/regparse.c
index cc015a7..dd2824b 100644
--- a/src/regparse.c
+++ b/src/regparse.c
@@ -290,7 +290,7 @@ bbuf_clone(BBuf** rto, BBuf* from)
CHECK_NULL_RETURN_MEMERR(to);
r = BB_INIT(to, from->alloc);
if (r != 0) {
- xfree(to->p);
+ bbuf_free(to);
*rto = 0;
return r;
}
@@ -303,6 +303,8 @@ static int
backref_rel_to_abs(int rel_no, ScanEnv* env)
{
if (rel_no > 0) {
+ if (rel_no > ONIG_INT_MAX - env->num_mem)
+ return ONIGERR_INVALID_BACKREF;
return env->num_mem + rel_no;
}
else {
@@ -437,6 +439,7 @@ strcat_capa(UChar* dest, UChar* dest_end, const UChar* src, const UChar* src_end
int capa)
{
UChar* r;
+ ptrdiff_t dest_delta = dest_end - dest;
if (dest)
r = (UChar* )xrealloc(dest, capa + 1);
@@ -444,7 +447,7 @@ strcat_capa(UChar* dest, UChar* dest_end, const UChar* src, const UChar* src_end
r = (UChar* )xmalloc(capa + 1);
CHECK_NULL_RETURN(r);
- onig_strcpy(r + (dest_end - dest), src, src_end);
+ onig_strcpy(r + dest_delta, src, src_end);
return r;
}
@@ -1294,7 +1297,9 @@ static int
i_free_callout_name_entry(st_callout_name_key* key, CalloutNameEntry* e,
void* arg ARG_UNUSED)
{
- xfree(e->name);
+ if (IS_NOT_NULL(e)) {
+ xfree(e->name);
+ }
/*xfree(key->s); */ /* is same as e->name */
xfree(key);
xfree(e);
@@ -2502,7 +2507,7 @@ node_new_call(UChar* name, UChar* name_end, int gnum, int by_number)
CALL_(node)->by_number = by_number;
CALL_(node)->name = name;
CALL_(node)->name_end = name_end;
- CALL_(node)->group_num = gnum;
+ CALL_(node)->called_gnum = gnum;
CALL_(node)->entry_count = 1;
return node;
}
@@ -3135,7 +3140,6 @@ make_absent_tree_for_simple_one_char_repeat(Node** node, Node* absent, Node* qua
lower = QUANT_(quant)->lower;
upper = QUANT_(quant)->upper;
- onig_node_free(quant);
r = node_new_save_gimmick(&ns[0], SAVE_RIGHT_RANGE, env);
if (r != 0) goto err;
@@ -3202,9 +3206,9 @@ make_absent_tree(Node** node, Node* absent, Node* expr, int is_range_cutter,
simple:
r = make_absent_tree_for_simple_one_char_repeat(node, absent, quant,
body, possessive, env);
+ onig_node_free(quant);
if (r != 0) {
ns[4] = NULL_NODE;
- onig_node_free(quant);
onig_node_free(body);
goto err;
}
@@ -3708,21 +3712,24 @@ get_next_code_point(UChar** src, UChar* end, int base, OnigEncoding enc, int in_
while (! PEND) {
PFETCH(c);
- if (! IS_CODE_POINT_DIVIDE(c)) break;
- }
- if (IS_CODE_POINT_DIVIDE(c))
- return ONIGERR_INVALID_CODE_POINT_VALUE;
-
- if (c == '}') {
- *src = p;
- return 1; /* end of sequence */
- }
- else if (c == '-' && in_cc == TRUE) {
- *src = p;
- return 2; /* range */
+ if (! IS_CODE_POINT_DIVIDE(c)) {
+ if (c == '}') {
+ *src = p;
+ return 1; /* end of sequence */
+ }
+ else if (c == '-' && in_cc == TRUE) {
+ *src = p;
+ return 2; /* range */
+ }
+ PUNFETCH;
+ break;
+ }
+ else {
+ if (PEND)
+ return ONIGERR_INVALID_CODE_POINT_VALUE;
+ }
}
- PUNFETCH;
r = scan_number_of_base(&p, end, 1, enc, rcode, base);
if (r != 0) return r;
@@ -3873,13 +3880,17 @@ not_code_range_buf(OnigEncoding enc, BBuf* bbuf, BBuf** pbuf)
to = data[i*2+1];
if (pre <= from - 1) {
r = add_code_range_to_buf(pbuf, pre, from - 1);
- if (r != 0) return r;
+ if (r != 0) {
+ bbuf_free(*pbuf);
+ return r;
+ }
}
if (to == ~((OnigCodePoint )0)) break;
pre = to + 1;
}
if (to < ~((OnigCodePoint )0)) {
r = add_code_range_to_buf(pbuf, to + 1, ~((OnigCodePoint )0));
+ if (r != 0) bbuf_free(*pbuf);
}
return r;
}
@@ -4564,7 +4575,7 @@ fetch_interval(UChar** src, UChar* end, PToken* tok, ScanEnv* env)
/* \M-, \C-, \c, or \... */
static int
-fetch_escaped_value(UChar** src, UChar* end, ScanEnv* env, OnigCodePoint* val)
+fetch_escaped_value_raw(UChar** src, UChar* end, ScanEnv* env, OnigCodePoint* val)
{
int v;
OnigCodePoint c;
@@ -4583,7 +4594,7 @@ fetch_escaped_value(UChar** src, UChar* end, ScanEnv* env, OnigCodePoint* val)
if (PEND) return ONIGERR_END_PATTERN_AT_META;
PFETCH_S(c);
if (c == MC_ESC(env->syntax)) {
- v = fetch_escaped_value(&p, end, env, &c);
+ v = fetch_escaped_value_raw(&p, end, env, &c);
if (v < 0) return v;
}
c = ((c & 0xff) | 0x80);
@@ -4612,7 +4623,7 @@ fetch_escaped_value(UChar** src, UChar* end, ScanEnv* env, OnigCodePoint* val)
}
else {
if (c == MC_ESC(env->syntax)) {
- v = fetch_escaped_value(&p, end, env, &c);
+ v = fetch_escaped_value_raw(&p, end, env, &c);
if (v < 0) return v;
}
c &= 0x9f;
@@ -4634,6 +4645,21 @@ fetch_escaped_value(UChar** src, UChar* end, ScanEnv* env, OnigCodePoint* val)
return 0;
}
+static int
+fetch_escaped_value(UChar** src, UChar* end, ScanEnv* env, OnigCodePoint* val)
+{
+ int r;
+ int len;
+
+ r = fetch_escaped_value_raw(src, end, env, val);
+ if (r != 0) return r;
+
+ len = ONIGENC_CODE_TO_MBCLEN(env->enc, *val);
+ if (len < 0) return len;
+
+ return 0;
+}
+
static int fetch_token(PToken* tok, UChar** src, UChar* end, ScanEnv* env);
static OnigCodePoint
@@ -5192,7 +5218,7 @@ fetch_token_cc(PToken* tok, UChar** src, UChar* end, ScanEnv* env, int state)
else {
int curr_state;
- curr_state = (state == CS_RANGE) ? CPS_EMPTY : CPS_START;
+ curr_state = (state == CS_RANGE) ? CPS_EMPTY : CPS_START;
r = check_code_point_sequence_cc(p, end, tok->base_num, enc,
curr_state);
if (r < 0) return r;
@@ -6372,7 +6398,7 @@ add_ctype_to_cc(CClassNode* cc, int ctype, int not, ScanEnv* env)
}
static int
-parse_posix_bracket(CClassNode* cc, UChar** src, UChar* end, ScanEnv* env)
+prs_posix_bracket(CClassNode* cc, UChar** src, UChar* end, ScanEnv* env)
{
#define POSIX_BRACKET_CHECK_LIMIT_LENGTH 20
#define POSIX_BRACKET_NAME_MIN_LEN 4
@@ -6481,7 +6507,7 @@ fetch_char_property_to_ctype(UChar** src, UChar* end, ScanEnv* env)
}
static int
-parse_char_property(Node** np, PToken* tok, UChar** src, UChar* end, ScanEnv* env)
+prs_char_property(Node** np, PToken* tok, UChar** src, UChar* end, ScanEnv* env)
{
int r, ctype;
CClassNode* cc;
@@ -6617,7 +6643,7 @@ code_exist_check(OnigCodePoint c, UChar* from, UChar* end, int ignore_escaped,
}
static int
-parse_cc(Node** np, PToken* tok, UChar** src, UChar* end, ScanEnv* env)
+prs_cc(Node** np, PToken* tok, UChar** src, UChar* end, ScanEnv* env)
{
int r, neg, len, fetched, and_start;
OnigCodePoint in_code, curr_code;
@@ -6715,6 +6741,7 @@ parse_cc(Node** np, PToken* tok, UChar** src, UChar* end, ScanEnv* env)
p = psave;
for (i = 1; i < len; i++) {
r = fetch_token_cc(tok, &p, end, env, CS_COMPLETE);
+ if (r < 0) goto err;
}
fetched = 0;
}
@@ -6759,7 +6786,7 @@ parse_cc(Node** np, PToken* tok, UChar** src, UChar* end, ScanEnv* env)
break;
case TK_CC_POSIX_BRACKET_OPEN:
- r = parse_posix_bracket(cc, &p, end, env);
+ r = prs_posix_bracket(cc, &p, end, env);
if (r < 0) goto err;
if (r == 1) { /* is not POSIX bracket */
CC_ESC_WARN(env, (UChar* )"[");
@@ -6869,7 +6896,7 @@ parse_cc(Node** np, PToken* tok, UChar** src, UChar* end, ScanEnv* env)
}
state = CS_COMPLETE;
- r = parse_cc(&anode, tok, &p, end, env);
+ r = prs_cc(&anode, tok, &p, end, env);
if (r != 0) {
onig_node_free(anode);
goto cc_open_err;
@@ -6967,14 +6994,14 @@ parse_cc(Node** np, PToken* tok, UChar** src, UChar* end, ScanEnv* env)
return r;
}
-static int parse_alts(Node** top, PToken* tok, int term,
- UChar** src, UChar* end, ScanEnv* env, int group_head);
+static int prs_alts(Node** top, PToken* tok, int term,
+ UChar** src, UChar* end, ScanEnv* env, int group_head);
#ifdef USE_CALLOUT
/* (?{...}[tag][+-]) (?{{...}}[tag][+-]) */
static int
-parse_callout_of_contents(Node** np, int cterm, UChar** src, UChar* end, ScanEnv* env)
+prs_callout_of_contents(Node** np, int cterm, UChar** src, UChar* end, ScanEnv* env)
{
int r;
int i;
@@ -7078,18 +7105,18 @@ parse_callout_of_contents(Node** np, int cterm, UChar** src, UChar* end, ScanEnv
contents = onigenc_strdup(enc, code_start, code_end);
CHECK_NULL_RETURN_MEMERR(contents);
- r = node_new_callout(np, ONIG_CALLOUT_OF_CONTENTS, num, ONIG_NON_NAME_ID, env);
- if (r != 0) {
- xfree(contents);
- return r;
- }
-
e = onig_reg_callout_list_at(env->reg, num);
if (IS_NULL(e)) {
xfree(contents);
return ONIGERR_MEMORY;
}
+ r = node_new_callout(np, ONIG_CALLOUT_OF_CONTENTS, num, ONIG_NON_NAME_ID, env);
+ if (r != 0) {
+ xfree(contents);
+ return r;
+ }
+
e->of = ONIG_CALLOUT_OF_CONTENTS;
e->in = in;
e->name_id = ONIG_NON_NAME_ID;
@@ -7101,7 +7128,7 @@ parse_callout_of_contents(Node** np, int cterm, UChar** src, UChar* end, ScanEnv
}
static long
-parse_long(OnigEncoding enc, UChar* s, UChar* end, int sign_on, long max, long* rl)
+prs_long(OnigEncoding enc, UChar* s, UChar* end, int sign_on, long max, long* rl)
{
long v;
long d;
@@ -7137,10 +7164,27 @@ parse_long(OnigEncoding enc, UChar* s, UChar* end, int sign_on, long max, long*
return ONIG_NORMAL;
}
+static void
+clear_callout_args(int n, unsigned int types[], OnigValue vals[])
+{
+ int i;
+
+ for (i = 0; i < n; i++) {
+ switch (types[i]) {
+ case ONIG_TYPE_STRING:
+ if (IS_NOT_NULL(vals[i].s.start))
+ xfree(vals[i].s.start);
+ break;
+ default:
+ break;
+ }
+ }
+}
+
static int
-parse_callout_args(int skip_mode, int cterm, UChar** src, UChar* end,
- int max_arg_num, unsigned int types[], OnigValue vals[],
- ScanEnv* env)
+prs_callout_args(int skip_mode, int cterm, UChar** src, UChar* end,
+ int max_arg_num, unsigned int types[], OnigValue vals[],
+ ScanEnv* env)
{
#define MAX_CALLOUT_ARG_BYTE_LENGTH 128
@@ -7168,7 +7212,10 @@ parse_callout_args(int skip_mode, int cterm, UChar** src, UChar* end,
bufend = buf;
s = e = p;
while (1) {
- if (PEND) return ONIGERR_INVALID_CALLOUT_PATTERN;
+ if (PEND) {
+ r = ONIGERR_INVALID_CALLOUT_PATTERN;
+ goto err_clear;
+ }
e = p;
PFETCH_S(c);
@@ -7196,8 +7243,10 @@ parse_callout_args(int skip_mode, int cterm, UChar** src, UChar* end,
add_char:
if (skip_mode == FALSE) {
clen = p - e;
- if (bufend + clen > buf + MAX_CALLOUT_ARG_BYTE_LENGTH)
- return ONIGERR_INVALID_CALLOUT_ARG; /* too long argument */
+ if (bufend + clen > buf + MAX_CALLOUT_ARG_BYTE_LENGTH) {
+ r = ONIGERR_INVALID_CALLOUT_ARG; /* too long argument */
+ goto err_clear;
+ }
xmemcpy(bufend, e, clen);
bufend += clen;
@@ -7208,15 +7257,17 @@ parse_callout_args(int skip_mode, int cterm, UChar** src, UChar* end,
}
if (cn != 0) {
- if (max_arg_num >= 0 && n >= max_arg_num)
- return ONIGERR_INVALID_CALLOUT_ARG;
+ if (max_arg_num >= 0 && n >= max_arg_num) {
+ r = ONIGERR_INVALID_CALLOUT_ARG;
+ goto err_clear;
+ }
if (skip_mode == FALSE) {
if ((types[n] & ONIG_TYPE_LONG) != 0) {
int fixed = 0;
if (cn > 0) {
long rl;
- r = parse_long(enc, buf, bufend, 1, LONG_MAX, &rl);
+ r = prs_long(enc, buf, bufend, 1, LONG_MAX, &rl);
if (r == ONIG_NORMAL) {
vals[n].l = rl;
fixed = 1;
@@ -7226,8 +7277,10 @@ parse_callout_args(int skip_mode, int cterm, UChar** src, UChar* end,
if (fixed == 0) {
types[n] = (types[n] & ~ONIG_TYPE_LONG);
- if (types[n] == ONIG_TYPE_VOID)
- return ONIGERR_INVALID_CALLOUT_ARG;
+ if (types[n] == ONIG_TYPE_VOID) {
+ r = ONIGERR_INVALID_CALLOUT_ARG;
+ goto err_clear;
+ }
}
}
@@ -7236,22 +7289,29 @@ parse_callout_args(int skip_mode, int cterm, UChar** src, UChar* end,
break;
case ONIG_TYPE_CHAR:
- if (cn != 1) return ONIGERR_INVALID_CALLOUT_ARG;
+ if (cn != 1) {
+ r = ONIGERR_INVALID_CALLOUT_ARG;
+ goto err_clear;
+ }
vals[n].c = ONIGENC_MBC_TO_CODE(enc, buf, bufend);
break;
case ONIG_TYPE_STRING:
{
UChar* rs = onigenc_strdup(enc, buf, bufend);
- CHECK_NULL_RETURN_MEMERR(rs);
+ if (IS_NULL(rs)) {
+ r = ONIGERR_MEMORY; goto err_clear;
+ }
vals[n].s.start = rs;
vals[n].s.end = rs + (e - s);
}
break;
case ONIG_TYPE_TAG:
- if (eesc != 0 || ! is_allowed_callout_tag_name(enc, s, e))
- return ONIGERR_INVALID_CALLOUT_TAG_NAME;
+ if (eesc != 0 || ! is_allowed_callout_tag_name(enc, s, e)) {
+ r = ONIGERR_INVALID_CALLOUT_TAG_NAME;
+ goto err_clear;
+ }
vals[n].s.start = s;
vals[n].s.end = e;
@@ -7259,7 +7319,8 @@ parse_callout_args(int skip_mode, int cterm, UChar** src, UChar* end,
case ONIG_TYPE_VOID:
case ONIG_TYPE_POINTER:
- return ONIGERR_PARSER_BUG;
+ r = ONIGERR_PARSER_BUG;
+ goto err_clear;
break;
}
}
@@ -7270,15 +7331,23 @@ parse_callout_args(int skip_mode, int cterm, UChar** src, UChar* end,
if (c == cterm) break;
}
- if (c != cterm) return ONIGERR_INVALID_CALLOUT_PATTERN;
+ if (c != cterm) {
+ r = ONIGERR_INVALID_CALLOUT_PATTERN;
+ goto err_clear;
+ }
*src = p;
return n;
+
+ err_clear:
+ if (skip_mode == FALSE)
+ clear_callout_args(n, types, vals);
+ return r;
}
/* (*name[TAG]) (*name[TAG]{a,b,..}) */
static int
-parse_callout_of_name(Node** np, int cterm, UChar** src, UChar* end, ScanEnv* env)
+prs_callout_of_name(Node** np, int cterm, UChar** src, UChar* end, ScanEnv* env)
{
int r;
int i;
@@ -7343,7 +7412,7 @@ parse_callout_of_name(Node** np, int cterm, UChar** src, UChar* end, ScanEnv* en
/* read for single check only */
save = p;
- arg_num = parse_callout_args(TRUE, '}', &p, end, -1, NULL, NULL, env);
+ arg_num = prs_callout_args(TRUE, '}', &p, end, -1, NULL, NULL, env);
if (arg_num < 0) return arg_num;
is_not_single = PPEEK_IS(cterm) ? 0 : 1;
@@ -7357,10 +7426,13 @@ parse_callout_of_name(Node** np, int cterm, UChar** src, UChar* end, ScanEnv* en
types[i] = get_callout_arg_type_by_name_id(name_id, i);
}
- arg_num = parse_callout_args(FALSE, '}', &p, end, max_arg_num, types, vals, env);
+ arg_num = prs_callout_args(FALSE, '}', &p, end, max_arg_num, types, vals, env);
if (arg_num < 0) return arg_num;
- if (PEND) return ONIGERR_END_PATTERN_IN_GROUP;
+ if (PEND) {
+ r = ONIGERR_END_PATTERN_IN_GROUP;
+ goto err_clear;
+ }
PFETCH_S(c);
}
else {
@@ -7379,32 +7451,40 @@ parse_callout_of_name(Node** np, int cterm, UChar** src, UChar* end, ScanEnv* en
in = onig_get_callout_in_by_name_id(name_id);
opt_arg_num = get_callout_opt_arg_num_by_name_id(name_id);
- if (arg_num > max_arg_num || arg_num < (max_arg_num - opt_arg_num))
- return ONIGERR_INVALID_CALLOUT_ARG;
+ if (arg_num > max_arg_num || arg_num < (max_arg_num - opt_arg_num)) {
+ r = ONIGERR_INVALID_CALLOUT_ARG;
+ goto err_clear;
+ }
- if (c != cterm)
- return ONIGERR_INVALID_CALLOUT_PATTERN;
+ if (c != cterm) {
+ r = ONIGERR_INVALID_CALLOUT_PATTERN;
+ goto err_clear;
+ }
r = reg_callout_list_entry(env, &num);
- if (r != 0) return r;
+ if (r != 0) goto err_clear;
ext = onig_get_regex_ext(env->reg);
- CHECK_NULL_RETURN_MEMERR(ext);
+ if (IS_NULL(ext)) {
+ r = ONIGERR_MEMORY; goto err_clear;
+ }
if (IS_NULL(ext->pattern)) {
r = onig_ext_set_pattern(env->reg, env->pattern, env->pattern_end);
- if (r != ONIG_NORMAL) return r;
+ if (r != ONIG_NORMAL) goto err_clear;
}
if (tag_start != tag_end) {
r = callout_tag_entry(env, env->reg, tag_start, tag_end, num);
- if (r != ONIG_NORMAL) return r;
+ if (r != ONIG_NORMAL) goto err_clear;
}
- r = node_new_callout(&node, ONIG_CALLOUT_OF_NAME, num, name_id, env);
- if (r != ONIG_NORMAL) return r;
-
e = onig_reg_callout_list_at(env->reg, num);
- CHECK_NULL_RETURN_MEMERR(e);
+ if (IS_NULL(e)) {
+ r = ONIGERR_MEMORY; goto err_clear;
+ }
+
+ r = node_new_callout(&node, ONIG_CALLOUT_OF_NAME, num, name_id, env);
+ if (r != ONIG_NORMAL) goto err_clear;
e->of = ONIG_CALLOUT_OF_NAME;
e->in = in;
@@ -7425,12 +7505,16 @@ parse_callout_of_name(Node** np, int cterm, UChar** src, UChar* end, ScanEnv* en
*np = node;
*src = p;
return 0;
+
+ err_clear:
+ clear_callout_args(arg_num, types, vals);
+ return r;
}
#endif
static int
-parse_bag(Node** np, PToken* tok, int term, UChar** src, UChar* end,
- ScanEnv* env)
+prs_bag(Node** np, PToken* tok, int term, UChar** src, UChar* end,
+ ScanEnv* env)
{
int r, num;
Node *target;
@@ -7457,7 +7541,7 @@ parse_bag(Node** np, PToken* tok, int term, UChar** src, UChar* end,
group:
r = fetch_token(tok, &p, end, env);
if (r < 0) return r;
- r = parse_alts(np, tok, term, &p, end, env, FALSE);
+ r = prs_alts(np, tok, term, &p, end, env, FALSE);
if (r < 0) return r;
*src = p;
return 1; /* group */
@@ -7554,7 +7638,7 @@ parse_bag(Node** np, PToken* tok, int term, UChar** src, UChar* end,
r = fetch_token(tok, &p, end, env);
if (r < 0) return r;
- r = parse_alts(&absent, tok, term, &p, end, env, TRUE);
+ r = prs_alts(&absent, tok, term, &p, end, env, TRUE);
if (r < 0) {
onig_node_free(absent);
return r;
@@ -7600,7 +7684,7 @@ parse_bag(Node** np, PToken* tok, int term, UChar** src, UChar* end,
if (! IS_SYNTAX_OP2(env->syntax, ONIG_SYN_OP2_QMARK_BRACE_CALLOUT_CONTENTS))
return ONIGERR_UNDEFINED_GROUP_OPTION;
- r = parse_callout_of_contents(np, ')', &p, end, env);
+ r = prs_callout_of_contents(np, ')', &p, end, env);
if (r != 0) return r;
goto end;
@@ -7620,10 +7704,12 @@ parse_bag(Node** np, PToken* tok, int term, UChar** src, UChar* end,
if (IS_CODE_DIGIT_ASCII(enc, c)
|| c == '-' || c == '+' || c == '<' || c == '\'') {
- UChar* name_end;
- int back_num;
+#ifdef USE_BACKREF_WITH_LEVEL
int exist_level;
int level;
+#endif
+ UChar* name_end;
+ int back_num;
enum REF_NUM num_type;
int is_enclosed;
@@ -7631,8 +7717,8 @@ parse_bag(Node** np, PToken* tok, int term, UChar** src, UChar* end,
if (! is_enclosed)
PUNFETCH;
prev = p;
- exist_level = 0;
#ifdef USE_BACKREF_WITH_LEVEL
+ exist_level = 0;
name_end = NULL_UCHARP; /* no need. escape gcc warning. */
r = fetch_name_with_level(
(OnigCodePoint )(is_enclosed != 0 ? c : '('),
@@ -7709,7 +7795,7 @@ parse_bag(Node** np, PToken* tok, int term, UChar** src, UChar* end,
/* condition part is callouts of contents: (?(?{...})THEN|ELSE) */
condition_is_checker = 0;
PFETCH(c);
- r = parse_callout_of_contents(&condition, ')', &p, end, env);
+ r = prs_callout_of_contents(&condition, ')', &p, end, env);
if (r != 0) return r;
goto end_condition;
}
@@ -7719,7 +7805,7 @@ parse_bag(Node** np, PToken* tok, int term, UChar** src, UChar* end,
else if (c == '*' &&
IS_SYNTAX_OP2(env->syntax, ONIG_SYN_OP2_ASTERISK_CALLOUT_NAME)) {
condition_is_checker = 0;
- r = parse_callout_of_name(&condition, ')', &p, end, env);
+ r = prs_callout_of_name(&condition, ')', &p, end, env);
if (r != 0) return r;
goto end_condition;
}
@@ -7730,7 +7816,7 @@ parse_bag(Node** np, PToken* tok, int term, UChar** src, UChar* end,
condition_is_checker = 0;
r = fetch_token(tok, &p, end, env);
if (r < 0) return r;
- r = parse_alts(&condition, tok, term, &p, end, env, FALSE);
+ r = prs_alts(&condition, tok, term, &p, end, env, FALSE);
if (r < 0) {
onig_node_free(condition);
return r;
@@ -7773,7 +7859,7 @@ parse_bag(Node** np, PToken* tok, int term, UChar** src, UChar* end,
onig_node_free(condition);
return r;
}
- r = parse_alts(&target, tok, term, &p, end, env, TRUE);
+ r = prs_alts(&target, tok, term, &p, end, env, TRUE);
if (r < 0) {
onig_node_free(condition);
onig_node_free(target);
@@ -7949,7 +8035,7 @@ parse_bag(Node** np, PToken* tok, int term, UChar** src, UChar* end,
env->options = option;
r = fetch_token(tok, &p, end, env);
if (r < 0) return r;
- r = parse_alts(&target, tok, term, &p, end, env, FALSE);
+ r = prs_alts(&target, tok, term, &p, end, env, FALSE);
env->options = prev;
if (r < 0) {
onig_node_free(target);
@@ -7976,7 +8062,7 @@ parse_bag(Node** np, PToken* tok, int term, UChar** src, UChar* end,
else if (c == '*' &&
IS_SYNTAX_OP2(env->syntax, ONIG_SYN_OP2_ASTERISK_CALLOUT_NAME)) {
PINC;
- r = parse_callout_of_name(np, ')', &p, end, env);
+ r = prs_callout_of_name(np, ')', &p, end, env);
if (r != 0) return r;
goto end;
@@ -7996,7 +8082,7 @@ parse_bag(Node** np, PToken* tok, int term, UChar** src, UChar* end,
CHECK_NULL_RETURN_MEMERR(*np);
r = fetch_token(tok, &p, end, env);
if (r < 0) return r;
- r = parse_alts(&target, tok, term, &p, end, env, FALSE);
+ r = prs_alts(&target, tok, term, &p, end, env, FALSE);
if (r < 0) {
onig_node_free(target);
return r;
@@ -8006,7 +8092,7 @@ parse_bag(Node** np, PToken* tok, int term, UChar** src, UChar* end,
if (NODE_TYPE(*np) == NODE_BAG) {
if (BAG_(*np)->type == BAG_MEMORY) {
- /* Don't move this to previous of parse_alts() */
+ /* Don't move this to previous of prs_alts() */
r = scan_env_set_mem_node(env, BAG_(*np)->m.regnum, *np);
if (r != 0) return r;
}
@@ -8285,8 +8371,8 @@ i_apply_case_fold(OnigCodePoint from, OnigCodePoint to[], int to_len, void* arg)
}
static int
-parse_exp(Node** np, PToken* tok, int term, UChar** src, UChar* end,
- ScanEnv* env, int group_head)
+prs_exp(Node** np, PToken* tok, int term, UChar** src, UChar* end,
+ ScanEnv* env, int group_head)
{
int r, len, group;
Node* qn;
@@ -8311,7 +8397,7 @@ parse_exp(Node** np, PToken* tok, int term, UChar** src, UChar* end,
break;
case TK_SUBEXP_OPEN:
- r = parse_bag(np, tok, TK_SUBEXP_CLOSE, src, end, env);
+ r = prs_bag(np, tok, TK_SUBEXP_CLOSE, src, end, env);
if (r < 0) return r;
if (r == 1) { /* group */
if (group_head == 0)
@@ -8341,7 +8427,7 @@ parse_exp(Node** np, PToken* tok, int term, UChar** src, UChar* end,
env->options = BAG_(*np)->o.options;
r = fetch_token(tok, src, end, env);
if (r < 0) return r;
- r = parse_alts(&target, tok, term, src, end, env, FALSE);
+ r = prs_alts(&target, tok, term, src, end, env, FALSE);
env->options = prev;
if (r < 0) {
onig_node_free(target);
@@ -8419,8 +8505,9 @@ parse_exp(Node** np, PToken* tok, int term, UChar** src, UChar* end,
case TK_CODE_POINT:
{
UChar buf[ONIGENC_CODE_TO_MBC_MAXLEN];
- len = ONIGENC_CODE_TO_MBC(env->enc, tok->u.code, buf);
+ len = ONIGENC_CODE_TO_MBCLEN(env->enc, tok->u.code);
if (len < 0) return len;
+ len = ONIGENC_CODE_TO_MBC(env->enc, tok->u.code, buf);
#ifdef NUMBERED_CHAR_IS_NOT_CASE_AMBIG
*np = node_new_str_crude(buf, buf + len, env->options);
#else
@@ -8465,7 +8552,12 @@ parse_exp(Node** np, PToken* tok, int term, UChar** src, UChar* end,
*np = node_new_cclass();
CHECK_NULL_RETURN_MEMERR(*np);
cc = CCLASS_(*np);
- add_ctype_to_cc(cc, tok->u.prop.ctype, FALSE, env);
+ r = add_ctype_to_cc(cc, tok->u.prop.ctype, FALSE, env);
+ if (r != 0) {
+ onig_node_free(*np);
+ *np = NULL_NODE;
+ return r;
+ }
if (tok->u.prop.not != 0) NCCLASS_SET_NOT(cc);
}
break;
@@ -8478,7 +8570,7 @@ parse_exp(Node** np, PToken* tok, int term, UChar** src, UChar* end,
break;
case TK_CHAR_PROPERTY:
- r = parse_char_property(np, tok, src, end, env);
+ r = prs_char_property(np, tok, src, end, env);
if (r != 0) return r;
break;
@@ -8486,7 +8578,7 @@ parse_exp(Node** np, PToken* tok, int term, UChar** src, UChar* end,
{
CClassNode* cc;
- r = parse_cc(np, tok, src, end, env);
+ r = prs_cc(np, tok, src, end, env);
if (r != 0) return r;
cc = CCLASS_(*np);
@@ -8685,8 +8777,8 @@ parse_exp(Node** np, PToken* tok, int term, UChar** src, UChar* end,
}
static int
-parse_branch(Node** top, PToken* tok, int term, UChar** src, UChar* end,
- ScanEnv* env, int group_head)
+prs_branch(Node** top, PToken* tok, int term, UChar** src, UChar* end,
+ ScanEnv* env, int group_head)
{
int r;
Node *node, **headp;
@@ -8694,7 +8786,7 @@ parse_branch(Node** top, PToken* tok, int term, UChar** src, UChar* end,
*top = NULL;
INC_PARSE_DEPTH(env->parse_depth);
- r = parse_exp(&node, tok, term, src, end, env, group_head);
+ r = prs_exp(&node, tok, term, src, end, env, group_head);
if (r < 0) {
onig_node_free(node);
return r;
@@ -8712,7 +8804,7 @@ parse_branch(Node** top, PToken* tok, int term, UChar** src, UChar* end,
headp = &(NODE_CDR(*top));
while (r != TK_EOT && r != term && r != TK_ALT) {
- r = parse_exp(&node, tok, term, src, end, env, FALSE);
+ r = prs_exp(&node, tok, term, src, end, env, FALSE);
if (r < 0) {
onig_node_free(node);
return r;
@@ -8736,8 +8828,8 @@ parse_branch(Node** top, PToken* tok, int term, UChar** src, UChar* end,
/* term_tok: TK_EOT or TK_SUBEXP_CLOSE */
static int
-parse_alts(Node** top, PToken* tok, int term, UChar** src, UChar* end,
- ScanEnv* env, int group_head)
+prs_alts(Node** top, PToken* tok, int term, UChar** src, UChar* end,
+ ScanEnv* env, int group_head)
{
int r;
Node *node, **headp;
@@ -8747,7 +8839,7 @@ parse_alts(Node** top, PToken* tok, int term, UChar** src, UChar* end,
INC_PARSE_DEPTH(env->parse_depth);
save_options = env->options;
- r = parse_branch(&node, tok, term, src, end, env, group_head);
+ r = prs_branch(&node, tok, term, src, end, env, group_head);
if (r < 0) {
onig_node_free(node);
return r;
@@ -8767,7 +8859,7 @@ parse_alts(Node** top, PToken* tok, int term, UChar** src, UChar* end,
while (r == TK_ALT) {
r = fetch_token(tok, src, end, env);
if (r < 0) return r;
- r = parse_branch(&node, tok, term, src, end, env, FALSE);
+ r = prs_branch(&node, tok, term, src, end, env, FALSE);
if (r < 0) {
onig_node_free(node);
return r;
@@ -8800,7 +8892,7 @@ parse_alts(Node** top, PToken* tok, int term, UChar** src, UChar* end,
}
static int
-parse_regexp(Node** top, UChar** src, UChar* end, ScanEnv* env)
+prs_regexp(Node** top, UChar** src, UChar* end, ScanEnv* env)
{
int r;
PToken tok;
@@ -8808,7 +8900,7 @@ parse_regexp(Node** top, UChar** src, UChar* end, ScanEnv* env)
ptoken_init(&tok);
r = fetch_token(&tok, src, end, env);
if (r < 0) return r;
- r = parse_alts(top, &tok, TK_EOT, src, end, env, FALSE);
+ r = prs_alts(top, &tok, TK_EOT, src, end, env, FALSE);
if (r < 0) return r;
return 0;
@@ -8846,6 +8938,15 @@ onig_parse_tree(Node** root, const UChar* pattern, const UChar* end,
RegexExt* ext;
#endif
+ reg->string_pool = 0;
+ reg->string_pool_end = 0;
+ reg->num_mem = 0;
+ reg->num_repeat = 0;
+ reg->num_empty_check = 0;
+ reg->repeat_range_alloc = 0;
+ reg->repeat_range = (RepeatRange* )NULL;
+ reg->empty_status_mem = 0;
+
names_clear(reg);
scan_env_clear(env);
@@ -8863,7 +8964,7 @@ onig_parse_tree(Node** root, const UChar* pattern, const UChar* end,
return ONIGERR_INVALID_WIDE_CHAR_VALUE;
p = (UChar* )pattern;
- r = parse_regexp(root, &p, (UChar* )end, env);
+ r = prs_regexp(root, &p, (UChar* )end, env);
if (r != 0) return r;
#ifdef USE_CALL
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 14:35:28 +0000