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Diffstat (limited to 'src/regparse.c')
-rw-r--r--src/regparse.c791
1 files changed, 464 insertions, 327 deletions
diff --git a/src/regparse.c b/src/regparse.c
index 8153513..a5f8e5b 100644
--- a/src/regparse.c
+++ b/src/regparse.c
@@ -159,14 +159,25 @@ bbuf_clone(BBuf** rto, BBuf* from)
*rto = to = (BBuf* )xmalloc(sizeof(BBuf));
CHECK_NULL_RETURN_MEMERR(to);
r = BBUF_INIT(to, from->alloc);
- if (r != 0) return r;
+ if (r != 0) {
+ xfree(to->p);
+ *rto = 0;
+ return r;
+ }
to->used = from->used;
xmemcpy(to->p, from->p, from->used);
return 0;
}
-#define BACKREF_REL_TO_ABS(rel_no, env) \
- ((env)->num_mem + 1 + (rel_no))
+static int backref_rel_to_abs(int rel_no, ScanEnv* env)
+{
+ if (rel_no > 0) {
+ return env->num_mem + rel_no;
+ }
+ else {
+ return env->num_mem + 1 + rel_no;
+ }
+}
#define ONOFF(v,f,negative) (negative) ? ((v) &= ~(f)) : ((v) |= (f))
@@ -179,7 +190,7 @@ bbuf_clone(BBuf** rto, BBuf* from)
#define ADD_ALL_MULTI_BYTE_RANGE(enc, mbuf) do {\
if (! ONIGENC_IS_SINGLEBYTE(enc)) {\
r = SET_ALL_MULTI_BYTE_RANGE(enc, &(mbuf));\
- if (r) return r;\
+ if (r != 0) return r;\
}\
} while (0)
@@ -422,6 +433,8 @@ onig_st_insert_strend(hash_table_type* table, const UChar* str_key,
int result;
key = (st_str_end_key* )xmalloc(sizeof(st_str_end_key));
+ CHECK_NULL_RETURN_MEMERR(key);
+
key->s = (UChar* )str_key;
key->end = (UChar* )end_key;
result = onig_st_insert(table, (st_data_t )key, value);
@@ -519,7 +532,7 @@ onig_names_free(regex_t* reg)
NameTable* t;
r = names_clear(reg);
- if (r) return r;
+ if (r != 0) return r;
t = (NameTable* )reg->name_table;
if (IS_NOT_NULL(t)) onig_st_free_table(t);
@@ -700,7 +713,7 @@ onig_names_free(regex_t* reg)
NameTable* t;
r = names_clear(reg);
- if (r) return r;
+ if (r != 0) return r;
t = (NameTable* )reg->name_table;
if (IS_NOT_NULL(t)) xfree(t);
@@ -762,6 +775,7 @@ onig_number_of_names(regex_t* reg)
static int
name_add(regex_t* reg, UChar* name, UChar* name_end, int backref, ScanEnv* env)
{
+ int r;
int alloc;
NameEntry* e;
NameTable* t = (NameTable* )reg->name_table;
@@ -783,8 +797,9 @@ name_add(regex_t* reg, UChar* name, UChar* name_end, int backref, ScanEnv* env)
if (IS_NULL(e->name)) {
xfree(e); return ONIGERR_MEMORY;
}
- onig_st_insert_strend(t, e->name, (e->name + (name_end - name)),
- (HashDataType )e);
+ r = onig_st_insert_strend(t, e->name, (e->name + (name_end - name)),
+ (HashDataType )e);
+ if (r < 0) return r;
e->name_len = name_end - name;
e->back_num = 0;
@@ -918,14 +933,14 @@ onig_name_to_backref_number(regex_t* reg, const UChar* name,
extern int
onig_name_to_group_numbers(regex_t* reg, const UChar* name,
- const UChar* name_end, int** nums)
+ const UChar* name_end, int** nums)
{
return ONIG_NO_SUPPORT_CONFIG;
}
extern int
onig_name_to_backref_number(regex_t* reg, const UChar* name,
- const UChar* name_end, OnigRegion* region)
+ const UChar* name_end, OnigRegion* region)
{
return ONIG_NO_SUPPORT_CONFIG;
}
@@ -962,29 +977,32 @@ onig_noname_group_capture_is_active(regex_t* reg)
}
-#define INIT_SCANENV_MEMNODES_ALLOC_SIZE 16
+#define INIT_SCANENV_MEMENV_ALLOC_SIZE 16
static void
scan_env_clear(ScanEnv* env)
{
- int i;
-
- BIT_STATUS_CLEAR(env->capture_history);
- BIT_STATUS_CLEAR(env->bt_mem_start);
- BIT_STATUS_CLEAR(env->bt_mem_end);
- BIT_STATUS_CLEAR(env->backrefed_mem);
+ MEM_STATUS_CLEAR(env->capture_history);
+ MEM_STATUS_CLEAR(env->bt_mem_start);
+ MEM_STATUS_CLEAR(env->bt_mem_end);
+ MEM_STATUS_CLEAR(env->backrefed_mem);
env->error = (UChar* )NULL;
env->error_end = (UChar* )NULL;
env->num_call = 0;
+
+#ifdef USE_SUBEXP_CALL
+ env->unset_addr_list = NULL;
+ env->has_call_zero = 0;
+#endif
+
env->num_mem = 0;
#ifdef USE_NAMED_GROUP
env->num_named = 0;
#endif
- env->mem_alloc = 0;
- env->mem_nodes_dynamic = (Node** )NULL;
+ env->mem_alloc = 0;
+ env->mem_env_dynamic = (MemEnv* )NULL;
- for (i = 0; i < SCANENV_MEMNODES_SIZE; i++)
- env->mem_nodes_static[i] = NULL_NODE;
+ xmemset(env->mem_env_static, 0, sizeof(env->mem_env_static));
#ifdef USE_COMBINATION_EXPLOSION_CHECK
env->num_comb_exp_check = 0;
@@ -999,30 +1017,35 @@ static int
scan_env_add_mem_entry(ScanEnv* env)
{
int i, need, alloc;
- Node** p;
+ MemEnv* p;
need = env->num_mem + 1;
if (need > MaxCaptureNum && MaxCaptureNum != 0)
return ONIGERR_TOO_MANY_CAPTURES;
- if (need >= SCANENV_MEMNODES_SIZE) {
+ if (need >= SCANENV_MEMENV_SIZE) {
if (env->mem_alloc <= need) {
- if (IS_NULL(env->mem_nodes_dynamic)) {
- alloc = INIT_SCANENV_MEMNODES_ALLOC_SIZE;
- p = (Node** )xmalloc(sizeof(Node*) * alloc);
- xmemcpy(p, env->mem_nodes_static,
- sizeof(Node*) * SCANENV_MEMNODES_SIZE);
+ if (IS_NULL(env->mem_env_dynamic)) {
+ alloc = INIT_SCANENV_MEMENV_ALLOC_SIZE;
+ p = (MemEnv* )xmalloc(sizeof(MemEnv) * alloc);
+ CHECK_NULL_RETURN_MEMERR(p);
+ xmemcpy(p, env->mem_env_static, sizeof(env->mem_env_static));
}
else {
alloc = env->mem_alloc * 2;
- p = (Node** )xrealloc(env->mem_nodes_dynamic, sizeof(Node*) * alloc);
+ p = (MemEnv* )xrealloc(env->mem_env_dynamic, sizeof(MemEnv) * alloc);
+ CHECK_NULL_RETURN_MEMERR(p);
}
- CHECK_NULL_RETURN_MEMERR(p);
- for (i = env->num_mem + 1; i < alloc; i++)
- p[i] = NULL_NODE;
+ for (i = env->num_mem + 1; i < alloc; i++) {
+ p[i].node = NULL_NODE;
+#if 0
+ p[i].in = 0;
+ p[i].recursion = 0;
+#endif
+ }
- env->mem_nodes_dynamic = p;
+ env->mem_env_dynamic = p;
env->mem_alloc = alloc;
}
}
@@ -1035,7 +1058,7 @@ static int
scan_env_set_mem_node(ScanEnv* env, int num, Node* node)
{
if (env->num_mem >= num)
- SCANENV_MEM_NODES(env)[num] = node;
+ SCANENV_MEMENV(env)[num].node = node;
else
return ONIGERR_PARSER_BUG;
return 0;
@@ -1051,19 +1074,19 @@ onig_node_free(Node* node)
fprintf(stderr, "onig_node_free: %p\n", node);
#endif
- switch (NTYPE(node)) {
- case NT_STR:
- if (NSTR(node)->capa != 0 &&
- IS_NOT_NULL(NSTR(node)->s) && NSTR(node)->s != NSTR(node)->buf) {
- xfree(NSTR(node)->s);
+ switch (NODE_TYPE(node)) {
+ case NODE_STR:
+ if (STR_(node)->capa != 0 &&
+ IS_NOT_NULL(STR_(node)->s) && STR_(node)->s != STR_(node)->buf) {
+ xfree(STR_(node)->s);
}
break;
- case NT_LIST:
- case NT_ALT:
- onig_node_free(NCAR(node));
+ case NODE_LIST:
+ case NODE_ALT:
+ onig_node_free(NODE_CAR(node));
{
- Node* next_node = NCDR(node);
+ Node* next_node = NODE_CDR(node);
xfree(node);
node = next_node;
@@ -1071,34 +1094,29 @@ onig_node_free(Node* node)
}
break;
- case NT_CCLASS:
+ case NODE_CCLASS:
{
- CClassNode* cc = NCCLASS(node);
+ CClassNode* cc = CCLASS_(node);
- if (IS_NCCLASS_SHARE(cc)) return ;
if (cc->mbuf)
bbuf_free(cc->mbuf);
}
break;
- case NT_QTFR:
- if (NQTFR(node)->target)
- onig_node_free(NQTFR(node)->target);
- break;
-
- case NT_ENCLOSE:
- if (NENCLOSE(node)->target)
- onig_node_free(NENCLOSE(node)->target);
+ case NODE_BREF:
+ if (IS_NOT_NULL(BREF_(node)->back_dynamic))
+ xfree(BREF_(node)->back_dynamic);
break;
- case NT_BREF:
- if (IS_NOT_NULL(NBREF(node)->back_dynamic))
- xfree(NBREF(node)->back_dynamic);
+ case NODE_QUANT:
+ case NODE_ENCLOSURE:
+ case NODE_ANCHOR:
+ if (NODE_BODY(node))
+ onig_node_free(NODE_BODY(node));
break;
- case NT_ANCHOR:
- if (NANCHOR(node)->target)
- onig_node_free(NANCHOR(node)->target);
+ case NODE_CTYPE:
+ case NODE_CALL:
break;
}
@@ -1111,7 +1129,9 @@ node_new(void)
Node* node;
node = (Node* )xmalloc(sizeof(Node));
- /* xmemset(node, 0, sizeof(Node)); */
+ //xmemset(node, 0, sizeof(node->u.base));
+ xmemset(node, 0, sizeof(*node));
+
#ifdef DEBUG_NODE_FREE
fprintf(stderr, "node_new: %p\n", node);
#endif
@@ -1134,8 +1154,8 @@ node_new_cclass(void)
Node* node = node_new();
CHECK_NULL_RETURN(node);
- SET_NTYPE(node, NT_CCLASS);
- initialize_cclass(NCCLASS(node));
+ SET_NODE_TYPE(node, NODE_CCLASS);
+ initialize_cclass(CCLASS_(node));
return node;
}
@@ -1145,19 +1165,9 @@ node_new_ctype(int type, int not)
Node* node = node_new();
CHECK_NULL_RETURN(node);
- SET_NTYPE(node, NT_CTYPE);
- NCTYPE(node)->ctype = type;
- NCTYPE(node)->not = not;
- return node;
-}
-
-static Node*
-node_new_anychar(void)
-{
- Node* node = node_new();
- CHECK_NULL_RETURN(node);
-
- SET_NTYPE(node, NT_CANY);
+ SET_NODE_TYPE(node, NODE_CTYPE);
+ CTYPE_(node)->ctype = type;
+ CTYPE_(node)->not = not;
return node;
}
@@ -1167,9 +1177,9 @@ node_new_list(Node* left, Node* right)
Node* node = node_new();
CHECK_NULL_RETURN(node);
- SET_NTYPE(node, NT_LIST);
- NCAR(node) = left;
- NCDR(node) = right;
+ SET_NODE_TYPE(node, NODE_LIST);
+ NODE_CAR(node) = left;
+ NODE_CDR(node) = right;
return node;
}
@@ -1188,10 +1198,10 @@ onig_node_list_add(Node* list, Node* x)
if (IS_NULL(n)) return NULL_NODE;
if (IS_NOT_NULL(list)) {
- while (IS_NOT_NULL(NCDR(list)))
- list = NCDR(list);
+ while (IS_NOT_NULL(NODE_CDR(list)))
+ list = NODE_CDR(list);
- NCDR(list) = n;
+ NODE_CDR(list) = n;
}
return n;
@@ -1203,9 +1213,9 @@ onig_node_new_alt(Node* left, Node* right)
Node* node = node_new();
CHECK_NULL_RETURN(node);
- SET_NTYPE(node, NT_ALT);
- NCAR(node) = left;
- NCDR(node) = right;
+ SET_NODE_TYPE(node, NODE_ALT);
+ NODE_CAR(node) = left;
+ NODE_CDR(node) = right;
return node;
}
@@ -1215,10 +1225,9 @@ onig_node_new_anchor(int type)
Node* node = node_new();
CHECK_NULL_RETURN(node);
- SET_NTYPE(node, NT_ANCHOR);
- NANCHOR(node)->type = type;
- NANCHOR(node)->target = NULL;
- NANCHOR(node)->char_len = -1;
+ SET_NODE_TYPE(node, NODE_ANCHOR);
+ ANCHOR_(node)->type = type;
+ ANCHOR_(node)->char_len = -1;
return node;
}
@@ -1234,31 +1243,30 @@ node_new_backref(int back_num, int* backrefs, int by_name,
CHECK_NULL_RETURN(node);
- SET_NTYPE(node, NT_BREF);
- NBREF(node)->state = 0;
- NBREF(node)->back_num = back_num;
- NBREF(node)->back_dynamic = (int* )NULL;
+ SET_NODE_TYPE(node, NODE_BREF);
+ BREF_(node)->back_num = back_num;
+ BREF_(node)->back_dynamic = (int* )NULL;
if (by_name != 0)
- NBREF(node)->state |= NST_NAME_REF;
+ NODE_STATUS_ADD(node, NST_BY_NAME);
#ifdef USE_BACKREF_WITH_LEVEL
if (exist_level != 0) {
- NBREF(node)->state |= NST_NEST_LEVEL;
- NBREF(node)->nest_level = nest_level;
+ NODE_STATUS_ADD(node, NST_NEST_LEVEL);
+ BREF_(node)->nest_level = nest_level;
}
#endif
for (i = 0; i < back_num; i++) {
if (backrefs[i] <= env->num_mem &&
- IS_NULL(SCANENV_MEM_NODES(env)[backrefs[i]])) {
- NBREF(node)->state |= NST_RECURSION; /* /...(\1).../ */
+ IS_NULL(SCANENV_MEMENV(env)[backrefs[i]].node)) {
+ NODE_STATUS_ADD(node, NST_RECURSION); /* /...(\1).../ */
break;
}
}
if (back_num <= NODE_BACKREFS_SIZE) {
for (i = 0; i < back_num; i++)
- NBREF(node)->back_static[i] = backrefs[i];
+ BREF_(node)->back_static[i] = backrefs[i];
}
else {
int* p = (int* )xmalloc(sizeof(int) * back_num);
@@ -1266,7 +1274,7 @@ node_new_backref(int back_num, int* backrefs, int by_name,
onig_node_free(node);
return NULL;
}
- NBREF(node)->back_dynamic = p;
+ BREF_(node)->back_dynamic = p;
for (i = 0; i < back_num; i++)
p[i] = backrefs[i];
}
@@ -1275,17 +1283,17 @@ node_new_backref(int back_num, int* backrefs, int by_name,
#ifdef USE_SUBEXP_CALL
static Node*
-node_new_call(UChar* name, UChar* name_end, int gnum)
+node_new_call(UChar* name, UChar* name_end, int gnum, int by_number)
{
Node* node = node_new();
CHECK_NULL_RETURN(node);
- SET_NTYPE(node, NT_CALL);
- NCALL(node)->state = 0;
- NCALL(node)->target = NULL_NODE;
- NCALL(node)->name = name;
- NCALL(node)->name_end = name_end;
- NCALL(node)->group_num = gnum; /* call by number if gnum != 0 */
+ SET_NODE_TYPE(node, NODE_CALL);
+ CALL_(node)->by_number = by_number;
+ CALL_(node)->name = name;
+ CALL_(node)->name_end = name_end;
+ CALL_(node)->group_num = gnum;
+ CALL_(node)->entry_count = 1;
return node;
}
#endif
@@ -1296,69 +1304,76 @@ node_new_quantifier(int lower, int upper, int by_number)
Node* node = node_new();
CHECK_NULL_RETURN(node);
- SET_NTYPE(node, NT_QTFR);
- NQTFR(node)->state = 0;
- NQTFR(node)->target = NULL;
- NQTFR(node)->lower = lower;
- NQTFR(node)->upper = upper;
- NQTFR(node)->greedy = 1;
- NQTFR(node)->target_empty_info = NQ_TARGET_ISNOT_EMPTY;
- NQTFR(node)->head_exact = NULL_NODE;
- NQTFR(node)->next_head_exact = NULL_NODE;
- NQTFR(node)->is_refered = 0;
+ SET_NODE_TYPE(node, NODE_QUANT);
+ QUANT_(node)->lower = lower;
+ QUANT_(node)->upper = upper;
+ QUANT_(node)->greedy = 1;
+ QUANT_(node)->body_empty_info = QUANT_BODY_IS_NOT_EMPTY;
+ QUANT_(node)->head_exact = NULL_NODE;
+ QUANT_(node)->next_head_exact = NULL_NODE;
+ QUANT_(node)->is_refered = 0;
if (by_number != 0)
- NQTFR(node)->state |= NST_BY_NUMBER;
+ NODE_STATUS_ADD(node, NST_BY_NUMBER);
#ifdef USE_COMBINATION_EXPLOSION_CHECK
- NQTFR(node)->comb_exp_check_num = 0;
+ QUANT_(node)->comb_exp_check_num = 0;
#endif
return node;
}
static Node*
-node_new_enclose(int type)
+node_new_enclosure(int type)
{
Node* node = node_new();
CHECK_NULL_RETURN(node);
- SET_NTYPE(node, NT_ENCLOSE);
- NENCLOSE(node)->type = type;
- NENCLOSE(node)->state = 0;
- NENCLOSE(node)->regnum = 0;
- NENCLOSE(node)->option = 0;
- NENCLOSE(node)->target = NULL;
- NENCLOSE(node)->call_addr = -1;
- NENCLOSE(node)->opt_count = 0;
+ SET_NODE_TYPE(node, NODE_ENCLOSURE);
+ ENCLOSURE_(node)->type = type;
+
+ switch (type) {
+ case ENCLOSURE_MEMORY:
+ ENCLOSURE_(node)->m.regnum = 0;
+ ENCLOSURE_(node)->m.called_addr = -1;
+ ENCLOSURE_(node)->m.entry_count = 1;
+ ENCLOSURE_(node)->m.called_state = 0;
+ break;
+
+ case ENCLOSURE_OPTION:
+ ENCLOSURE_(node)->o.option = 0;
+ break;
+
+ case ENCLOSURE_STOP_BACKTRACK:
+ break;
+ }
+
+ ENCLOSURE_(node)->opt_count = 0;
return node;
}
extern Node*
-onig_node_new_enclose(int type)
+onig_node_new_enclosure(int type)
{
- return node_new_enclose(type);
+ return node_new_enclosure(type);
}
static Node*
-node_new_enclose_memory(OnigOptionType option, int is_named)
+node_new_enclosure_memory(int is_named)
{
- Node* node = node_new_enclose(ENCLOSE_MEMORY);
+ Node* node = node_new_enclosure(ENCLOSURE_MEMORY);
CHECK_NULL_RETURN(node);
if (is_named != 0)
- SET_ENCLOSE_STATUS(node, NST_NAMED_GROUP);
+ NODE_STATUS_ADD(node, NST_NAMED_GROUP);
-#ifdef USE_SUBEXP_CALL
- NENCLOSE(node)->option = option;
-#endif
return node;
}
static Node*
node_new_option(OnigOptionType option)
{
- Node* node = node_new_enclose(ENCLOSE_OPTION);
+ Node* node = node_new_enclosure(ENCLOSURE_OPTION);
CHECK_NULL_RETURN(node);
- NENCLOSE(node)->option = option;
+ ENCLOSURE_(node)->o.option = option;
return node;
}
@@ -1368,31 +1383,31 @@ onig_node_str_cat(Node* node, const UChar* s, const UChar* end)
int addlen = end - s;
if (addlen > 0) {
- int len = NSTR(node)->end - NSTR(node)->s;
+ int len = STR_(node)->end - STR_(node)->s;
- if (NSTR(node)->capa > 0 || (len + addlen > NODE_STR_BUF_SIZE - 1)) {
+ if (STR_(node)->capa > 0 || (len + addlen > NODE_STR_BUF_SIZE - 1)) {
UChar* p;
int capa = len + addlen + NODE_STR_MARGIN;
- if (capa <= NSTR(node)->capa) {
- onig_strcpy(NSTR(node)->s + len, s, end);
+ if (capa <= STR_(node)->capa) {
+ onig_strcpy(STR_(node)->s + len, s, end);
}
else {
- if (NSTR(node)->s == NSTR(node)->buf)
- p = strcat_capa_from_static(NSTR(node)->s, NSTR(node)->end,
+ if (STR_(node)->s == STR_(node)->buf)
+ p = strcat_capa_from_static(STR_(node)->s, STR_(node)->end,
s, end, capa);
else
- p = strcat_capa(NSTR(node)->s, NSTR(node)->end, s, end, capa);
+ p = strcat_capa(STR_(node)->s, STR_(node)->end, s, end, capa);
CHECK_NULL_RETURN_MEMERR(p);
- NSTR(node)->s = p;
- NSTR(node)->capa = capa;
+ STR_(node)->s = p;
+ STR_(node)->capa = capa;
}
}
else {
- onig_strcpy(NSTR(node)->s + len, s, end);
+ onig_strcpy(STR_(node)->s + len, s, end);
}
- NSTR(node)->end = NSTR(node)->s + len + addlen;
+ STR_(node)->end = STR_(node)->s + len + addlen;
}
return 0;
@@ -1417,25 +1432,25 @@ node_str_cat_char(Node* node, UChar c)
extern void
onig_node_conv_to_str_node(Node* node, int flag)
{
- SET_NTYPE(node, NT_STR);
- NSTR(node)->flag = flag;
- NSTR(node)->capa = 0;
- NSTR(node)->s = NSTR(node)->buf;
- NSTR(node)->end = NSTR(node)->buf;
+ SET_NODE_TYPE(node, NODE_STR);
+ STR_(node)->flag = flag;
+ STR_(node)->capa = 0;
+ STR_(node)->s = STR_(node)->buf;
+ STR_(node)->end = STR_(node)->buf;
}
extern void
onig_node_str_clear(Node* node)
{
- if (NSTR(node)->capa != 0 &&
- IS_NOT_NULL(NSTR(node)->s) && NSTR(node)->s != NSTR(node)->buf) {
- xfree(NSTR(node)->s);
+ if (STR_(node)->capa != 0 &&
+ IS_NOT_NULL(STR_(node)->s) && STR_(node)->s != STR_(node)->buf) {
+ xfree(STR_(node)->s);
}
- NSTR(node)->capa = 0;
- NSTR(node)->flag = 0;
- NSTR(node)->s = NSTR(node)->buf;
- NSTR(node)->end = NSTR(node)->buf;
+ STR_(node)->capa = 0;
+ STR_(node)->flag = 0;
+ STR_(node)->s = STR_(node)->buf;
+ STR_(node)->end = STR_(node)->buf;
}
static Node*
@@ -1444,11 +1459,11 @@ node_new_str(const UChar* s, const UChar* end)
Node* node = node_new();
CHECK_NULL_RETURN(node);
- SET_NTYPE(node, NT_STR);
- NSTR(node)->capa = 0;
- NSTR(node)->flag = 0;
- NSTR(node)->s = NSTR(node)->buf;
- NSTR(node)->end = NSTR(node)->buf;
+ SET_NODE_TYPE(node, NODE_STR);
+ STR_(node)->capa = 0;
+ STR_(node)->flag = 0;
+ STR_(node)->s = STR_(node)->buf;
+ STR_(node)->end = STR_(node)->buf;
if (onig_node_str_cat(node, s, end)) {
onig_node_free(node);
return NULL;
@@ -1495,7 +1510,7 @@ str_node_split_last_char(StrNode* sn, OnigEncoding enc)
p = onigenc_get_prev_char_head(enc, sn->s, sn->end);
if (p && p > sn->s) { /* can be split. */
n = node_new_str(p, sn->end);
- if ((sn->flag & NSTR_RAW) != 0)
+ if ((sn->flag & STRING_RAW) != 0)
NSTRING_SET_RAW(n);
sn->end = (UChar* )p;
@@ -1540,7 +1555,7 @@ onig_scan_unsigned_number(UChar** src, const UChar* end, OnigEncoding enc)
PFETCH_READY;
num = 0;
- while (!PEND) {
+ while (! PEND) {
PFETCH(c);
if (ONIGENC_IS_CODE_DIGIT(enc, c)) {
val = (unsigned int )DIGITVAL(c);
@@ -1596,7 +1611,7 @@ scan_unsigned_octal_number(UChar** src, UChar* end, int maxlen,
PFETCH_READY;
num = 0;
- while (!PEND && maxlen-- != 0) {
+ while (! PEND && maxlen-- != 0) {
PFETCH(c);
if (ONIGENC_IS_CODE_DIGIT(enc, c) && c < '8') {
val = ODIGITVAL(c);
@@ -1631,9 +1646,13 @@ new_code_range(BBuf** pbuf)
BBuf* bbuf;
bbuf = *pbuf = (BBuf* )xmalloc(sizeof(BBuf));
- CHECK_NULL_RETURN_MEMERR(*pbuf);
- r = BBUF_INIT(*pbuf, INIT_MULTI_BYTE_RANGE_SIZE);
- if (r) return r;
+ CHECK_NULL_RETURN_MEMERR(bbuf);
+ r = BBUF_INIT(bbuf, INIT_MULTI_BYTE_RANGE_SIZE);
+ if (r != 0) {
+ xfree(bbuf);
+ *pbuf = 0;
+ return r;
+ }
n = 0;
BBUF_WRITE_CODE_POINT(bbuf, 0, n);
@@ -1654,7 +1673,7 @@ add_code_range_to_buf(BBuf** pbuf, OnigCodePoint from, OnigCodePoint to)
if (IS_NULL(*pbuf)) {
r = new_code_range(pbuf);
- if (r) return r;
+ if (r != 0) return r;
bbuf = *pbuf;
n = 0;
}
@@ -2069,27 +2088,27 @@ conv_backslash_value(OnigCodePoint c, ScanEnv* env)
static int
is_invalid_quantifier_target(Node* node)
{
- switch (NTYPE(node)) {
- case NT_ANCHOR:
+ switch (NODE_TYPE(node)) {
+ case NODE_ANCHOR:
return 1;
break;
- case NT_ENCLOSE:
+ case NODE_ENCLOSURE:
/* allow enclosed elements */
- /* return is_invalid_quantifier_target(NENCLOSE(node)->target); */
+ /* return is_invalid_quantifier_target(NODE_BODY(node)); */
break;
- case NT_LIST:
+ case NODE_LIST:
do {
- if (! is_invalid_quantifier_target(NCAR(node))) return 0;
- } while (IS_NOT_NULL(node = NCDR(node)));
+ if (! is_invalid_quantifier_target(NODE_CAR(node))) return 0;
+ } while (IS_NOT_NULL(node = NODE_CDR(node)));
return 0;
break;
- case NT_ALT:
+ case NODE_ALT:
do {
- if (is_invalid_quantifier_target(NCAR(node))) return 1;
- } while (IS_NOT_NULL(node = NCDR(node)));
+ if (is_invalid_quantifier_target(NODE_CAR(node))) return 1;
+ } while (IS_NOT_NULL(node = NODE_CDR(node)));
break;
default:
@@ -2100,7 +2119,7 @@ is_invalid_quantifier_target(Node* node)
/* ?:0, *:1, +:2, ??:3, *?:4, +?:5 */
static int
-popular_quantifier_num(QtfrNode* q)
+popular_quantifier_num(QuantNode* q)
{
if (q->greedy) {
if (q->lower == 0) {
@@ -2147,10 +2166,10 @@ extern void
onig_reduce_nested_quantifier(Node* pnode, Node* cnode)
{
int pnum, cnum;
- QtfrNode *p, *c;
+ QuantNode *p, *c;
- p = NQTFR(pnode);
- c = NQTFR(cnode);
+ p = QUANT_(pnode);
+ c = QUANT_(cnode);
pnum = popular_quantifier_num(p);
cnum = popular_quantifier_num(c);
if (pnum < 0 || cnum < 0) return ;
@@ -2160,36 +2179,36 @@ onig_reduce_nested_quantifier(Node* pnode, Node* cnode)
*pnode = *cnode;
break;
case RQ_A:
- p->target = c->target;
+ NODE_BODY(pnode) = NODE_BODY(cnode);
p->lower = 0; p->upper = REPEAT_INFINITE; p->greedy = 1;
break;
case RQ_AQ:
- p->target = c->target;
+ NODE_BODY(pnode) = NODE_BODY(cnode);
p->lower = 0; p->upper = REPEAT_INFINITE; p->greedy = 0;
break;
case RQ_QQ:
- p->target = c->target;
+ NODE_BODY(pnode) = NODE_BODY(cnode);
p->lower = 0; p->upper = 1; p->greedy = 0;
break;
case RQ_P_QQ:
- p->target = cnode;
+ NODE_BODY(pnode) = cnode;
p->lower = 0; p->upper = 1; p->greedy = 0;
c->lower = 1; c->upper = REPEAT_INFINITE; c->greedy = 1;
return ;
break;
case RQ_PQ_Q:
- p->target = cnode;
+ NODE_BODY(pnode) = cnode;
p->lower = 0; p->upper = 1; p->greedy = 1;
c->lower = 1; c->upper = REPEAT_INFINITE; c->greedy = 0;
return ;
break;
case RQ_ASIS:
- p->target = cnode;
+ NODE_BODY(pnode) = cnode;
return ;
break;
}
- c->target = NULL_NODE;
+ NODE_BODY(cnode) = NULL_NODE;
onig_node_free(cnode);
}
@@ -2253,6 +2272,7 @@ typedef struct {
UChar* name;
UChar* name_end;
int gnum;
+ int by_number;
} call;
struct {
int ctype;
@@ -2441,19 +2461,27 @@ get_name_end_code_point(OnigCodePoint start)
return (OnigCodePoint )0;
}
+enum REF_NUM {
+ IS_NOT_NUM = 0,
+ IS_ABS_NUM = 1,
+ IS_REL_NUM = 2
+};
+
#ifdef USE_NAMED_GROUP
#ifdef USE_BACKREF_WITH_LEVEL
/*
\k<name+n>, \k<name-n>
\k<num+n>, \k<num-n>
\k<-num+n>, \k<-num-n>
+ \k<+num+n>, \k<+num-n>
*/
static int
fetch_name_with_level(OnigCodePoint start_code, UChar** src, UChar* end,
- UChar** rname_end, ScanEnv* env,
- int* rback_num, int* rlevel)
+ UChar** rname_end, ScanEnv* env,
+ int* rback_num, int* rlevel, enum REF_NUM* num_type)
{
- int r, sign, is_num, exist_level;
+ int r, sign, exist_level;
+ int digit_count;
OnigCodePoint end_code;
OnigCodePoint c = 0;
OnigEncoding enc = env->enc;
@@ -2463,12 +2491,14 @@ fetch_name_with_level(OnigCodePoint start_code, UChar** src, UChar* end,
PFETCH_READY;
*rback_num = 0;
- is_num = exist_level = 0;
+ exist_level = 0;
+ *num_type = IS_NOT_NUM;
sign = 1;
pnum_head = *src;
end_code = get_name_end_code_point(start_code);
+ digit_count = 0;
name_end = end;
r = 0;
if (PEND) {
@@ -2480,13 +2510,19 @@ fetch_name_with_level(OnigCodePoint start_code, UChar** src, UChar* end,
return ONIGERR_EMPTY_GROUP_NAME;
if (ONIGENC_IS_CODE_DIGIT(enc, c)) {
- is_num = 1;
+ *num_type = IS_ABS_NUM;
+ digit_count++;
}
else if (c == '-') {
- is_num = 2;
+ *num_type = IS_REL_NUM;
sign = -1;
pnum_head = p;
}
+ else if (c == '+') {
+ *num_type = IS_REL_NUM;
+ sign = 1;
+ pnum_head = p;
+ }
else if (!ONIGENC_IS_CODE_WORD(enc, c)) {
r = ONIGERR_INVALID_CHAR_IN_GROUP_NAME;
}
@@ -2496,17 +2532,18 @@ fetch_name_with_level(OnigCodePoint start_code, UChar** src, UChar* end,
name_end = p;
PFETCH(c);
if (c == end_code || c == ')' || c == '+' || c == '-') {
- if (is_num == 2) r = ONIGERR_INVALID_GROUP_NAME;
+ if (*num_type != IS_NOT_NUM && digit_count == 0)
+ r = ONIGERR_INVALID_GROUP_NAME;
break;
}
- if (is_num != 0) {
+ if (*num_type != IS_NOT_NUM) {
if (ONIGENC_IS_CODE_DIGIT(enc, c)) {
- is_num = 1;
+ digit_count++;
}
else {
r = ONIGERR_INVALID_GROUP_NAME;
- is_num = 0;
+ *num_type = IS_NOT_NUM;
}
}
else if (!ONIGENC_IS_CODE_WORD(enc, c)) {
@@ -2539,16 +2576,20 @@ fetch_name_with_level(OnigCodePoint start_code, UChar** src, UChar* end,
}
err:
- r = ONIGERR_INVALID_GROUP_NAME;
name_end = end;
+ err2:
+ r = ONIGERR_INVALID_GROUP_NAME;
}
end:
if (r == 0) {
- if (is_num != 0) {
+ if (*num_type != IS_NOT_NUM) {
*rback_num = onig_scan_unsigned_number(&pnum_head, name_end, enc);
if (*rback_num < 0) return ONIGERR_TOO_BIG_NUMBER;
- else if (*rback_num == 0) goto err;
+ else if (*rback_num == 0) {
+ if (*num_type == IS_REL_NUM)
+ goto err2;
+ }
*rback_num *= sign;
}
@@ -2570,9 +2611,11 @@ fetch_name_with_level(OnigCodePoint start_code, UChar** src, UChar* end,
*/
static int
fetch_name(OnigCodePoint start_code, UChar** src, UChar* end,
- UChar** rname_end, ScanEnv* env, int* rback_num, int ref)
+ UChar** rname_end, ScanEnv* env, int* rback_num,
+ enum REF_NUM* num_type, int ref)
{
- int r, is_num, sign;
+ int r, sign;
+ int digit_count;
OnigCodePoint end_code;
OnigCodePoint c = 0;
OnigEncoding enc = env->enc;
@@ -2584,10 +2627,11 @@ fetch_name(OnigCodePoint start_code, UChar** src, UChar* end,
end_code = get_name_end_code_point(start_code);
+ digit_count = 0;
name_end = end;
pnum_head = *src;
r = 0;
- is_num = 0;
+ *num_type = IS_NOT_NUM;
sign = 1;
if (PEND) {
return ONIGERR_EMPTY_GROUP_NAME;
@@ -2599,21 +2643,30 @@ fetch_name(OnigCodePoint start_code, UChar** src, UChar* end,
if (ONIGENC_IS_CODE_DIGIT(enc, c)) {
if (ref == 1)
- is_num = 1;
+ *num_type = IS_ABS_NUM;
else {
r = ONIGERR_INVALID_GROUP_NAME;
- is_num = 0;
}
+ digit_count++;
}
else if (c == '-') {
if (ref == 1) {
- is_num = 2;
+ *num_type = IS_REL_NUM;
sign = -1;
pnum_head = p;
}
else {
r = ONIGERR_INVALID_GROUP_NAME;
- is_num = 0;
+ }
+ }
+ else if (c == '+') {
+ if (ref == 1) {
+ *num_type = IS_REL_NUM;
+ sign = 1;
+ pnum_head = p;
+ }
+ else {
+ r = ONIGERR_INVALID_GROUP_NAME;
}
}
else if (!ONIGENC_IS_CODE_WORD(enc, c)) {
@@ -2626,20 +2679,22 @@ fetch_name(OnigCodePoint start_code, UChar** src, UChar* end,
name_end = p;
PFETCH_S(c);
if (c == end_code || c == ')') {
- if (is_num == 2) r = ONIGERR_INVALID_GROUP_NAME;
+ if (*num_type != IS_NOT_NUM && digit_count == 0)
+ r = ONIGERR_INVALID_GROUP_NAME;
break;
}
- if (is_num != 0) {
+ if (*num_type != IS_NOT_NUM) {
if (ONIGENC_IS_CODE_DIGIT(enc, c)) {
- is_num = 1;
+ digit_count++;
}
else {
if (!ONIGENC_IS_CODE_WORD(enc, c))
r = ONIGERR_INVALID_CHAR_IN_GROUP_NAME;
else
r = ONIGERR_INVALID_GROUP_NAME;
- is_num = 0;
+
+ *num_type = IS_NOT_NUM;
}
}
else {
@@ -2654,12 +2709,14 @@ fetch_name(OnigCodePoint start_code, UChar** src, UChar* end,
name_end = end;
}
- if (is_num != 0) {
+ if (*num_type != IS_NOT_NUM) {
*rback_num = onig_scan_unsigned_number(&pnum_head, name_end, enc);
if (*rback_num < 0) return ONIGERR_TOO_BIG_NUMBER;
else if (*rback_num == 0) {
- r = ONIGERR_INVALID_GROUP_NAME;
- goto err;
+ if (*num_type == IS_REL_NUM) {
+ r = ONIGERR_INVALID_GROUP_NAME;
+ goto err;
+ }
}
*rback_num *= sign;
@@ -2687,9 +2744,11 @@ fetch_name(OnigCodePoint start_code, UChar** src, UChar* end,
#else
static int
fetch_name(OnigCodePoint start_code, UChar** src, UChar* end,
- UChar** rname_end, ScanEnv* env, int* rback_num, int ref)
+ UChar** rname_end, ScanEnv* env, int* rback_num,
+ enum REF_NUM* num_type, int ref)
{
- int r, is_num, sign;
+ int r, sign;
+ int digit_count;
OnigCodePoint end_code;
OnigCodePoint c = 0;
UChar *name_end;
@@ -2702,10 +2761,11 @@ fetch_name(OnigCodePoint start_code, UChar** src, UChar* end,
end_code = get_name_end_code_point(start_code);
+ digit_count = 0;
*rname_end = name_end = end;
r = 0;
pnum_head = *src;
- is_num = 0;
+ *num_type = IS_ABS_NUM;
sign = 1;
if (PEND) {
@@ -2717,37 +2777,61 @@ fetch_name(OnigCodePoint start_code, UChar** src, UChar* end,
return ONIGERR_EMPTY_GROUP_NAME;
if (ONIGENC_IS_CODE_DIGIT(enc, c)) {
- is_num = 1;
+ *num_type = IS_ABS_NUM;
+ digit_count++;
}
else if (c == '-') {
- is_num = 2;
- sign = -1;
- pnum_head = p;
+ if (ref == 1) {
+ *num_type = IS_REL_NUM;
+ sign = -1;
+ pnum_head = p;
+ }
+ else {
+ r = ONIGERR_INVALID_GROUP_NAME;
+ }
+ }
+ else if (c == '+') {
+ if (ref == 1) {
+ *num_type = IS_REL_NUM;
+ sign = 1;
+ pnum_head = p;
+ }
+ else {
+ r = ONIGERR_INVALID_GROUP_NAME;
+ }
}
else {
r = ONIGERR_INVALID_CHAR_IN_GROUP_NAME;
}
}
- while (!PEND) {
+ while (! PEND) {
name_end = p;
PFETCH(c);
if (c == end_code || c == ')') break;
- if (! ONIGENC_IS_CODE_DIGIT(enc, c))
+
+ if (ONIGENC_IS_CODE_DIGIT(enc, c))
+ digit_count++;
+ else
r = ONIGERR_INVALID_CHAR_IN_GROUP_NAME;
}
if (r == 0 && c != end_code) {
r = ONIGERR_INVALID_GROUP_NAME;
name_end = end;
}
+ if (r == 0 && digit_count == 0) {
+ r = ONIGERR_INVALID_GROUP_NAME;
+ }
if (r == 0) {
*rback_num = onig_scan_unsigned_number(&pnum_head, name_end, enc);
if (*rback_num < 0) return ONIGERR_TOO_BIG_NUMBER;
else if (*rback_num == 0) {
- r = ONIGERR_INVALID_GROUP_NAME;
- goto err;
+ if (*num_type == IS_REL_NUM) {
+ r = ONIGERR_INVALID_GROUP_NAME;
+ goto err;
+ }
}
*rback_num *= sign;
@@ -3418,7 +3502,7 @@ fetch_token(OnigToken* tok, UChar** src, UChar* end, ScanEnv* env)
if (IS_SYNTAX_OP(syn, ONIG_SYN_OP_DECIMAL_BACKREF) &&
(num <= env->num_mem || num <= 9)) { /* This spec. from GNU regex */
if (IS_SYNTAX_BV(syn, ONIG_SYN_STRICT_CHECK_BACKREF)) {
- if (num > env->num_mem || IS_NULL(SCANENV_MEM_NODES(env)[num]))
+ if (num > env->num_mem || IS_NULL(SCANENV_MEMENV(env)[num].node))
return ONIGERR_INVALID_BACKREF;
}
@@ -3466,30 +3550,31 @@ fetch_token(OnigToken* tok, UChar** src, UChar* end, ScanEnv* env)
UChar* name_end;
int* backs;
int back_num;
+ enum REF_NUM num_type;
prev = p;
#ifdef USE_BACKREF_WITH_LEVEL
name_end = NULL_UCHARP; /* no need. escape gcc warning. */
r = fetch_name_with_level((OnigCodePoint )c, &p, end, &name_end,
- env, &back_num, &tok->u.backref.level);
+ env, &back_num, &tok->u.backref.level, &num_type);
if (r == 1) tok->u.backref.exist_level = 1;
else tok->u.backref.exist_level = 0;
#else
- r = fetch_name(&p, end, &name_end, env, &back_num, 1);
+ r = fetch_name(&p, end, &name_end, env, &back_num, &num_type, 1);
#endif
if (r < 0) return r;
- if (back_num != 0) {
- if (back_num < 0) {
- back_num = BACKREF_REL_TO_ABS(back_num, env);
- if (back_num <= 0)
- return ONIGERR_INVALID_BACKREF;
+ if (num_type != IS_NOT_NUM) {
+ if (num_type == IS_REL_NUM) {
+ back_num = backref_rel_to_abs(back_num, env);
}
+ if (back_num <= 0)
+ return ONIGERR_INVALID_BACKREF;
if (IS_SYNTAX_BV(syn, ONIG_SYN_STRICT_CHECK_BACKREF)) {
if (back_num > env->num_mem ||
- IS_NULL(SCANENV_MEM_NODES(env)[back_num]))
+ IS_NULL(SCANENV_MEMENV(env)[back_num].node))
return ONIGERR_INVALID_BACKREF;
}
tok->type = TK_BACKREF;
@@ -3508,7 +3593,7 @@ fetch_token(OnigToken* tok, UChar** src, UChar* end, ScanEnv* env)
int i;
for (i = 0; i < num; i++) {
if (backs[i] > env->num_mem ||
- IS_NULL(SCANENV_MEM_NODES(env)[backs[i]]))
+ IS_NULL(SCANENV_MEMENV(env)[backs[i]].node))
return ONIGERR_INVALID_BACKREF;
}
}
@@ -3538,15 +3623,30 @@ fetch_token(OnigToken* tok, UChar** src, UChar* end, ScanEnv* env)
if (c == '<' || c == '\'') {
int gnum;
UChar* name_end;
+ enum REF_NUM num_type;
prev = p;
- r = fetch_name((OnigCodePoint )c, &p, end, &name_end, env, &gnum, 1);
+ r = fetch_name((OnigCodePoint )c, &p, end, &name_end, env,
+ &gnum, &num_type, 1);
if (r < 0) return r;
+ if (num_type != IS_NOT_NUM) {
+ if (num_type == IS_REL_NUM) {
+ gnum = backref_rel_to_abs(gnum, env);
+ if (gnum < 0)
+ return ONIGERR_UNDEFINED_GROUP_REFERENCE;
+ }
+ tok->u.call.by_number = 1;
+ tok->u.call.gnum = gnum;
+ }
+ else {
+ tok->u.call.by_number = 0;
+ tok->u.call.gnum = 0;
+ }
+
tok->type = TK_CALL;
tok->u.call.name = prev;
tok->u.call.name_end = name_end;
- tok->u.call.gnum = gnum;
}
else
PUNFETCH;
@@ -4040,7 +4140,7 @@ parse_char_property(Node** np, OnigToken* tok, UChar** src, UChar* end,
*np = node_new_cclass();
CHECK_NULL_RETURN_MEMERR(*np);
- cc = NCCLASS(*np);
+ cc = CCLASS_(*np);
r = add_ctype_to_cc(cc, ctype, 0, env);
if (r != 0) return r;
if (tok->u.prop.not != 0) NCCLASS_SET_NOT(cc);
@@ -4080,9 +4180,7 @@ next_state_class(CClassNode* cc, OnigCodePoint* vs, enum CCVALTYPE* type,
}
}
- if (*state != CCS_START)
- *state = CCS_VALUE;
-
+ *state = CCS_VALUE;
*type = CCV_CLASS;
return 0;
}
@@ -4222,7 +4320,7 @@ parse_char_class(Node** np, OnigToken* tok, UChar** src, UChar* end,
*np = node = node_new_cclass();
CHECK_NULL_RETURN_MEMERR(node);
- cc = NCCLASS(node);
+ cc = CCLASS_(node);
and_start = 0;
state = CCS_START;
@@ -4335,7 +4433,7 @@ parse_char_class(Node** np, OnigToken* tok, UChar** src, UChar* end,
case TK_CHAR_TYPE:
r = add_ctype_to_cc(cc, tok->u.prop.ctype, tok->u.prop.not, env);
- if (r != 0) return r;
+ if (r != 0) goto err;
next_class:
r = next_state_class(cc, &vs, &val_type, &state, env);
@@ -4344,12 +4442,13 @@ parse_char_class(Node** np, OnigToken* tok, UChar** src, UChar* end,
case TK_CHAR_PROPERTY:
{
- int ctype;
-
- ctype = fetch_char_property_to_ctype(&p, end, env);
- if (ctype < 0) return ctype;
+ int ctype = fetch_char_property_to_ctype(&p, end, env);
+ if (ctype < 0) {
+ r = ctype;
+ goto err;
+ }
r = add_ctype_to_cc(cc, ctype, tok->u.prop.not, env);
- if (r != 0) return r;
+ if (r != 0) goto err;
goto next_class;
}
break;
@@ -4369,6 +4468,12 @@ parse_char_class(Node** np, OnigToken* tok, UChar** src, UChar* end,
CC_ESC_WARN(env, (UChar* )"-");
goto range_end_val;
}
+
+ if (val_type == CCV_CLASS) {
+ r = ONIGERR_UNMATCHED_RANGE_SPECIFIER_IN_CHAR_CLASS;
+ goto err;
+ }
+
state = CCS_RANGE;
}
else if (state == CCS_START) {
@@ -4418,10 +4523,10 @@ parse_char_class(Node** np, OnigToken* tok, UChar** src, UChar* end,
onig_node_free(anode);
goto cc_open_err;
}
- acc = NCCLASS(anode);
+ acc = CCLASS_(anode);
r = or_cclass(cc, acc, env->enc);
-
onig_node_free(anode);
+
cc_open_err:
if (r != 0) goto err;
}
@@ -4488,9 +4593,7 @@ parse_char_class(Node** np, OnigToken* tok, UChar** src, UChar* end,
NCCLASS_CLEAR_NOT(cc);
if (IS_NCCLASS_NOT(cc) &&
IS_SYNTAX_BV(env->syntax, ONIG_SYN_NOT_NEWLINE_IN_NEGATIVE_CC)) {
- int is_empty;
-
- is_empty = (IS_NULL(cc->mbuf) ? 1 : 0);
+ int is_empty = (IS_NULL(cc->mbuf) ? 1 : 0);
if (is_empty != 0)
BITSET_IS_EMPTY(cc->bs, is_empty);
@@ -4510,7 +4613,7 @@ parse_char_class(Node** np, OnigToken* tok, UChar** src, UChar* end,
return 0;
err:
- if (cc != NCCLASS(*np))
+ if (cc != CCLASS_(*np))
bbuf_free(cc->mbuf);
return r;
}
@@ -4519,18 +4622,17 @@ static int parse_subexp(Node** top, OnigToken* tok, int term,
UChar** src, UChar* end, ScanEnv* env);
static int
-parse_enclose(Node** np, OnigToken* tok, int term, UChar** src, UChar* end,
+parse_enclosure(Node** np, OnigToken* tok, int term, UChar** src, UChar* end,
ScanEnv* env)
{
int r, num;
Node *target;
OnigOptionType option;
OnigCodePoint c;
- OnigEncoding enc = env->enc;
-
#ifdef USE_NAMED_GROUP
int list_capture;
#endif
+ OnigEncoding enc = env->enc;
UChar* p = *src;
PFETCH_READY;
@@ -4563,7 +4665,7 @@ parse_enclose(Node** np, OnigToken* tok, int term, UChar** src, UChar* end,
*np = onig_node_new_anchor(ANCHOR_PREC_READ_NOT);
break;
case '>': /* (?>...) stop backtrack */
- *np = node_new_enclose(ENCLOSE_STOP_BACKTRACK);
+ *np = node_new_enclosure(ENCLOSURE_STOP_BACKTRACK);
break;
#ifdef USE_NAMED_GROUP
@@ -4588,6 +4690,7 @@ parse_enclose(Node** np, OnigToken* tok, int term, UChar** src, UChar* end,
if (IS_SYNTAX_OP2(env->syntax, ONIG_SYN_OP2_QMARK_LT_NAMED_GROUP)) {
UChar *name;
UChar *name_end;
+ enum REF_NUM num_type;
PUNFETCH;
c = '<';
@@ -4597,21 +4700,22 @@ parse_enclose(Node** np, OnigToken* tok, int term, UChar** src, UChar* end,
named_group2:
name = p;
- r = fetch_name((OnigCodePoint )c, &p, end, &name_end, env, &num, 0);
+ r = fetch_name((OnigCodePoint )c, &p, end, &name_end, env, &num,
+ &num_type, 0);
if (r < 0) return r;
num = scan_env_add_mem_entry(env);
if (num < 0) return num;
- if (list_capture != 0 && num >= (int )BIT_STATUS_BITS_NUM)
+ if (list_capture != 0 && num >= (int )MEM_STATUS_BITS_NUM)
return ONIGERR_GROUP_NUMBER_OVER_FOR_CAPTURE_HISTORY;
r = name_add(env->reg, name, name_end, num, env);
if (r != 0) return r;
- *np = node_new_enclose_memory(env->option, 1);
+ *np = node_new_enclosure_memory(1);
CHECK_NULL_RETURN_MEMERR(*np);
- NENCLOSE(*np)->regnum = num;
+ ENCLOSURE_(*np)->m.regnum = num;
if (list_capture != 0)
- BIT_STATUS_ON_AT_SIMPLE(env->capture_history, num);
+ MEM_STATUS_ON_SIMPLE(env->capture_history, num);
env->num_named++;
}
else {
@@ -4637,17 +4741,17 @@ parse_enclose(Node** np, OnigToken* tok, int term, UChar** src, UChar* end,
PUNFETCH;
}
#endif
- *np = node_new_enclose_memory(env->option, 0);
+ *np = node_new_enclosure_memory(0);
CHECK_NULL_RETURN_MEMERR(*np);
num = scan_env_add_mem_entry(env);
if (num < 0) {
return num;
}
- else if (num >= (int )BIT_STATUS_BITS_NUM) {
+ else if (num >= (int )MEM_STATUS_BITS_NUM) {
return ONIGERR_GROUP_NUMBER_OVER_FOR_CAPTURE_HISTORY;
}
- NENCLOSE(*np)->regnum = num;
- BIT_STATUS_ON_AT_SIMPLE(env->capture_history, num);
+ ENCLOSURE_(*np)->m.regnum = num;
+ MEM_STATUS_ON_SIMPLE(env->capture_history, num);
}
else {
return ONIGERR_UNDEFINED_GROUP_OPTION;
@@ -4717,7 +4821,7 @@ parse_enclose(Node** np, OnigToken* tok, int term, UChar** src, UChar* end,
}
*np = node_new_option(option);
CHECK_NULL_RETURN_MEMERR(*np);
- NENCLOSE(*np)->target = target;
+ NODE_BODY(*np) = target;
*src = p;
return 0;
}
@@ -4736,11 +4840,11 @@ parse_enclose(Node** np, OnigToken* tok, int term, UChar** src, UChar* end,
if (ONIG_IS_OPTION_ON(env->option, ONIG_OPTION_DONT_CAPTURE_GROUP))
goto group;
- *np = node_new_enclose_memory(env->option, 0);
+ *np = node_new_enclosure_memory(0);
CHECK_NULL_RETURN_MEMERR(*np);
num = scan_env_add_mem_entry(env);
if (num < 0) return num;
- NENCLOSE(*np)->regnum = num;
+ ENCLOSURE_(*np)->m.regnum = num;
}
CHECK_NULL_RETURN_MEMERR(*np);
@@ -4752,13 +4856,12 @@ parse_enclose(Node** np, OnigToken* tok, int term, UChar** src, UChar* end,
return r;
}
- if (NTYPE(*np) == NT_ANCHOR)
- NANCHOR(*np)->target = target;
- else {
- NENCLOSE(*np)->target = target;
- if (NENCLOSE(*np)->type == ENCLOSE_MEMORY) {
+ NODE_BODY(*np) = target;
+
+ if (NODE_TYPE(*np) == NODE_ENCLOSURE) {
+ if (ENCLOSURE_(*np)->type == ENCLOSURE_MEMORY) {
/* Don't move this to previous of parse_subexp() */
- r = scan_env_set_mem_node(env, NENCLOSE(*np)->regnum, *np);
+ r = scan_env_set_mem_node(env, ENCLOSURE_(*np)->m.regnum, *np);
if (r != 0) return r;
}
}
@@ -4778,36 +4881,35 @@ static const char* ReduceQStr[] = {
static int
set_quantifier(Node* qnode, Node* target, int group, ScanEnv* env)
{
- QtfrNode* qn;
+ QuantNode* qn;
- qn = NQTFR(qnode);
- if (qn->lower == 1 && qn->upper == 1) {
+ qn = QUANT_(qnode);
+ if (qn->lower == 1 && qn->upper == 1)
return 1;
- }
- switch (NTYPE(target)) {
- case NT_STR:
+ switch (NODE_TYPE(target)) {
+ case NODE_STR:
if (! group) {
- StrNode* sn = NSTR(target);
+ StrNode* sn = STR_(target);
if (str_node_can_be_split(sn, env->enc)) {
Node* n = str_node_split_last_char(sn, env->enc);
if (IS_NOT_NULL(n)) {
- qn->target = n;
+ NODE_BODY(qnode) = n;
return 2;
}
}
}
break;
- case NT_QTFR:
+ case NODE_QUANT:
{ /* check redundant double repeat. */
/* verbose warn (?:.?)? etc... but not warn (.?)? etc... */
- QtfrNode* qnt = NQTFR(target);
+ QuantNode* qnt = QUANT_(target);
int nestq_num = popular_quantifier_num(qn);
int targetq_num = popular_quantifier_num(qnt);
#ifdef USE_WARNING_REDUNDANT_NESTED_REPEAT_OPERATOR
- if (!IS_QUANTIFIER_BY_NUMBER(qn) && !IS_QUANTIFIER_BY_NUMBER(qnt) &&
+ if (! NODE_IS_BY_NUMBER(qnode) && ! NODE_IS_BY_NUMBER(target) &&
IS_SYNTAX_BV(env->syntax, ONIG_SYN_WARN_REDUNDANT_NESTED_REPEAT)) {
UChar buf[WARN_BUFSIZE];
@@ -4860,7 +4962,7 @@ set_quantifier(Node* qnode, Node* target, int group, ScanEnv* env)
break;
}
- qn->target = target;
+ NODE_BODY(qnode) = target;
q_exit:
return 0;
}
@@ -4971,7 +5073,7 @@ i_apply_case_fold(OnigCodePoint from, OnigCodePoint to[],
*(iarg->ptail) = onig_node_new_alt(snode, NULL_NODE);
CHECK_NULL_RETURN_MEMERR(*(iarg->ptail));
- iarg->ptail = &(NCDR((*(iarg->ptail))));
+ iarg->ptail = &(NODE_CDR((*(iarg->ptail))));
}
}
@@ -4999,14 +5101,14 @@ parse_exp(Node** np, OnigToken* tok, int term,
break;
case TK_SUBEXP_OPEN:
- r = parse_enclose(np, tok, TK_SUBEXP_CLOSE, src, end, env);
+ r = parse_enclosure(np, tok, TK_SUBEXP_CLOSE, src, end, env);
if (r < 0) return r;
if (r == 1) group = 1;
else if (r == 2) { /* option only */
Node* target;
OnigOptionType prev = env->option;
- env->option = NENCLOSE(*np)->option;
+ env->option = ENCLOSURE_(*np)->o.option;
r = fetch_token(tok, src, end, env);
if (r < 0) return r;
r = parse_subexp(&target, tok, term, src, end, env);
@@ -5015,7 +5117,7 @@ parse_exp(Node** np, OnigToken* tok, int term,
onig_node_free(target);
return r;
}
- NENCLOSE(*np)->target = target;
+ NODE_BODY(*np) = target;
return tok->type;
}
break;
@@ -5057,7 +5159,7 @@ parse_exp(Node** np, OnigToken* tok, int term,
len = 1;
while (1) {
if (len >= ONIGENC_MBC_MINLEN(env->enc)) {
- if (len == enclen(env->enc, NSTR(*np)->s)) {//should not enclen_end()
+ if (len == enclen(env->enc, STR_(*np)->s)) {//should not enclen_end()
r = fetch_token(tok, src, end, env);
NSTRING_CLEAR_RAW(*np);
goto string_end;
@@ -5072,8 +5174,8 @@ parse_exp(Node** np, OnigToken* tok, int term,
int rem;
if (len < ONIGENC_MBC_MINLEN(env->enc)) {
rem = ONIGENC_MBC_MINLEN(env->enc) - len;
- (void )node_str_head_pad(NSTR(*np), rem, (UChar )0);
- if (len + rem == enclen(env->enc, NSTR(*np)->s)) {
+ (void )node_str_head_pad(STR_(*np), rem, (UChar )0);
+ if (len + rem == enclen(env->enc, STR_(*np)->s)) {
NSTRING_CLEAR_RAW(*np);
goto string_end;
}
@@ -5138,7 +5240,7 @@ parse_exp(Node** np, OnigToken* tok, int term,
*np = node_new_cclass();
CHECK_NULL_RETURN_MEMERR(*np);
- cc = NCCLASS(*np);
+ cc = CCLASS_(*np);
add_ctype_to_cc(cc, tok->u.prop.ctype, 0, env);
if (tok->u.prop.not != 0) NCCLASS_SET_NOT(cc);
}
@@ -5163,7 +5265,7 @@ parse_exp(Node** np, OnigToken* tok, int term,
r = parse_char_class(np, tok, src, end, env);
if (r != 0) return r;
- cc = NCCLASS(*np);
+ cc = CCLASS_(*np);
if (IS_IGNORECASE(env->option)) {
IApplyCaseFoldArg iarg;
@@ -5191,16 +5293,16 @@ parse_exp(Node** np, OnigToken* tok, int term,
break;
case TK_ANYCHAR:
- *np = node_new_anychar();
+ *np = node_new_ctype(CTYPE_ANYCHAR, 0);
CHECK_NULL_RETURN_MEMERR(*np);
break;
case TK_ANYCHAR_ANYTIME:
- *np = node_new_anychar();
+ *np = node_new_ctype(CTYPE_ANYCHAR, 0);
CHECK_NULL_RETURN_MEMERR(*np);
qn = node_new_quantifier(0, REPEAT_INFINITE, 0);
CHECK_NULL_RETURN_MEMERR(qn);
- NQTFR(qn)->target = *np;
+ NODE_BODY(qn) = *np;
*np = qn;
break;
@@ -5222,14 +5324,13 @@ parse_exp(Node** np, OnigToken* tok, int term,
{
int gnum = tok->u.call.gnum;
- if (gnum < 0) {
- gnum = BACKREF_REL_TO_ABS(gnum, env);
- if (gnum <= 0)
- return ONIGERR_INVALID_BACKREF;
- }
- *np = node_new_call(tok->u.call.name, tok->u.call.name_end, gnum);
+ *np = node_new_call(tok->u.call.name, tok->u.call.name_end,
+ gnum, tok->u.call.by_number);
CHECK_NULL_RETURN_MEMERR(*np);
env->num_call++;
+ if (tok->u.call.by_number != 0 && gnum == 0) {
+ env->has_call_zero = 1;
+ }
}
break;
#endif
@@ -5271,7 +5372,7 @@ parse_exp(Node** np, OnigToken* tok, int term,
qn = node_new_quantifier(tok->u.repeat.lower, tok->u.repeat.upper,
(r == TK_INTERVAL ? 1 : 0));
CHECK_NULL_RETURN_MEMERR(qn);
- NQTFR(qn)->greedy = tok->u.repeat.greedy;
+ QUANT_(qn)->greedy = tok->u.repeat.greedy;
r = set_quantifier(qn, *targetp, group, env);
if (r < 0) {
onig_node_free(qn);
@@ -5280,12 +5381,12 @@ parse_exp(Node** np, OnigToken* tok, int term,
if (tok->u.repeat.possessive != 0) {
Node* en;
- en = node_new_enclose(ENCLOSE_STOP_BACKTRACK);
+ en = node_new_enclosure(ENCLOSURE_STOP_BACKTRACK);
if (IS_NULL(en)) {
onig_node_free(qn);
return ONIGERR_MEMORY;
}
- NENCLOSE(en)->target = qn;
+ NODE_BODY(en) = qn;
qn = en;
}
@@ -5303,12 +5404,12 @@ parse_exp(Node** np, OnigToken* tok, int term,
onig_node_free(qn);
return ONIGERR_MEMORY;
}
- tmp = NCDR(*targetp) = node_new_list(qn, NULL);
+ tmp = NODE_CDR(*targetp) = node_new_list(qn, NULL);
if (IS_NULL(tmp)) {
onig_node_free(qn);
return ONIGERR_MEMORY;
}
- targetp = &(NCAR(tmp));
+ targetp = &(NODE_CAR(tmp));
}
goto re_entry;
}
@@ -5336,7 +5437,7 @@ parse_branch(Node** top, OnigToken* tok, int term,
}
else {
*top = node_new_list(node, NULL);
- headp = &(NCDR(*top));
+ headp = &(NODE_CDR(*top));
while (r != TK_EOT && r != term && r != TK_ALT) {
r = parse_exp(&node, tok, term, src, end, env);
if (r < 0) {
@@ -5344,14 +5445,14 @@ parse_branch(Node** top, OnigToken* tok, int term,
return r;
}
- if (NTYPE(node) == NT_LIST) {
+ if (NODE_TYPE(node) == NODE_LIST) {
*headp = node;
- while (IS_NOT_NULL(NCDR(node))) node = NCDR(node);
- headp = &(NCDR(node));
+ while (IS_NOT_NULL(NODE_CDR(node))) node = NODE_CDR(node);
+ headp = &(NODE_CDR(node));
}
else {
*headp = node_new_list(node, NULL);
- headp = &(NCDR(*headp));
+ headp = &(NODE_CDR(*headp));
}
}
}
@@ -5382,7 +5483,7 @@ parse_subexp(Node** top, OnigToken* tok, int term,
}
else if (r == TK_ALT) {
*top = onig_node_new_alt(node, NULL);
- headp = &(NCDR(*top));
+ headp = &(NODE_CDR(*top));
while (r == TK_ALT) {
r = fetch_token(tok, src, end, env);
if (r < 0) return r;
@@ -5392,7 +5493,7 @@ parse_subexp(Node** top, OnigToken* tok, int term,
return r;
}
*headp = onig_node_new_alt(node, NULL);
- headp = &(NCDR(*headp));
+ headp = &(NODE_CDR(*headp));
}
if (tok->type != (enum TokenSyms )term)
@@ -5421,12 +5522,35 @@ parse_regexp(Node** top, UChar** src, UChar* end, ScanEnv* env)
if (r < 0) return r;
r = parse_subexp(top, &tok, TK_EOT, src, end, env);
if (r < 0) return r;
+
return 0;
}
+#ifdef USE_SUBEXP_CALL
+static int
+make_call_zero_body(Node* node, ScanEnv* env, Node** rnode)
+{
+ int r;
+
+ Node* x = node_new_enclosure_memory(0 /* 0: is not named */);
+ CHECK_NULL_RETURN_MEMERR(x);
+
+ NODE_BODY(x) = node;
+ ENCLOSURE_(x)->m.regnum = 0;
+ r = scan_env_set_mem_node(env, 0, x);
+ if (r != 0) {
+ onig_node_free(x);
+ return r;
+ }
+
+ *rnode = x;
+ return 0;
+}
+#endif
+
extern int
-onig_parse_make_tree(Node** root, const UChar* pattern, const UChar* end,
- regex_t* reg, ScanEnv* env)
+onig_parse_tree(Node** root, const UChar* pattern, const UChar* end,
+ regex_t* reg, ScanEnv* env)
{
int r;
UChar* p;
@@ -5451,6 +5575,19 @@ onig_parse_make_tree(Node** root, const UChar* pattern, const UChar* end,
p = (UChar* )pattern;
r = parse_regexp(root, &p, (UChar* )end, env);
+
+#ifdef USE_SUBEXP_CALL
+ if (r != 0) return r;
+
+ if (env->has_call_zero != 0) {
+ Node* zero_node;
+ r = make_call_zero_body(*root, env, &zero_node);
+ if (r != 0) return r;
+
+ *root = zero_node;
+ }
+#endif
+
reg->num_mem = env->num_mem;
return r;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-08 19:05:56 +0000