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-rw-r--r--src/regcomp.c1102
1 files changed, 834 insertions, 268 deletions
diff --git a/src/regcomp.c b/src/regcomp.c
index db83739..47023cb 100644
--- a/src/regcomp.c
+++ b/src/regcomp.c
@@ -147,7 +147,7 @@ swap_node(Node* a, Node* b)
Node c;
c = *a; *a = *b; *b = c;
- if (NODE_TYPE(a) == NODE_STR) {
+ if (NODE_TYPE(a) == NODE_STRING) {
StrNode* sn = STR_(a);
if (sn->capa == 0) {
int len = sn->end - sn->s;
@@ -156,7 +156,7 @@ swap_node(Node* a, Node* b)
}
}
- if (NODE_TYPE(b) == NODE_STR) {
+ if (NODE_TYPE(b) == NODE_STRING) {
StrNode* sn = STR_(b);
if (sn->capa == 0) {
int len = sn->end - sn->s;
@@ -169,11 +169,11 @@ swap_node(Node* a, Node* b)
static OnigLen
distance_add(OnigLen d1, OnigLen d2)
{
- if (d1 == ONIG_INFINITE_DISTANCE || d2 == ONIG_INFINITE_DISTANCE)
- return ONIG_INFINITE_DISTANCE;
+ if (d1 == INFINITE_LEN || d2 == INFINITE_LEN)
+ return INFINITE_LEN;
else {
- if (d1 <= ONIG_INFINITE_DISTANCE - d2) return d1 + d2;
- else return ONIG_INFINITE_DISTANCE;
+ if (d1 <= INFINITE_LEN - d2) return d1 + d2;
+ else return INFINITE_LEN;
}
}
@@ -182,10 +182,10 @@ distance_multiply(OnigLen d, int m)
{
if (m == 0) return 0;
- if (d < ONIG_INFINITE_DISTANCE / m)
+ if (d < INFINITE_LEN / m)
return d * m;
else
- return ONIG_INFINITE_DISTANCE;
+ return INFINITE_LEN;
}
static int
@@ -230,7 +230,7 @@ onig_bbuf_init(BBuf* buf, int size)
}
-#ifdef USE_SUBEXP_CALL
+#ifdef USE_CALL
static int
unset_addr_list_init(UnsetAddrList* list, int size)
@@ -271,7 +271,7 @@ unset_addr_list_add(UnsetAddrList* list, int offset, struct _Node* node)
list->num++;
return 0;
}
-#endif /* USE_SUBEXP_CALL */
+#endif /* USE_CALL */
static int
@@ -347,6 +347,24 @@ add_option(regex_t* reg, OnigOptionType option)
}
static int
+add_save_type(regex_t* reg, enum SaveType type)
+{
+ SaveType t = (SaveType )type;
+
+ BBUF_ADD(reg, &t, SIZE_SAVE_TYPE);
+ return 0;
+}
+
+static int
+add_update_var_type(regex_t* reg, enum UpdateVarType type)
+{
+ UpdateVarType t = (UpdateVarType )type;
+
+ BBUF_ADD(reg, &t, SIZE_UPDATE_VAR_TYPE);
+ return 0;
+}
+
+static int
add_opcode_rel_addr(regex_t* reg, int opcode, int addr)
{
int r;
@@ -466,7 +484,7 @@ compile_tree_empty_check(Node* node, regex_t* reg, int empty_info, ScanEnv* env)
return r;
}
-#ifdef USE_SUBEXP_CALL
+#ifdef USE_CALL
static int
compile_call(CallNode* node, regex_t* reg, ScanEnv* env)
{
@@ -545,7 +563,7 @@ compile_length_string_node(Node* node, regex_t* reg)
if (sn->end <= sn->s)
return 0;
- ambig = NSTRING_IS_AMBIG(node);
+ ambig = NODE_STRING_IS_AMBIG(node);
p = prev = sn->s;
prev_len = enclen(enc, p);
@@ -594,7 +612,7 @@ compile_string_node(Node* node, regex_t* reg)
return 0;
end = sn->end;
- ambig = NSTRING_IS_AMBIG(node);
+ ambig = NODE_STRING_IS_AMBIG(node);
p = prev = sn->s;
prev_len = enclen(enc, p);
@@ -767,7 +785,7 @@ compile_range_repeat_node(QuantNode* qn, int target_len, int empty_info,
if (r != 0) return r;
if (
-#ifdef USE_SUBEXP_CALL
+#ifdef USE_CALL
NODE_IS_IN_MULTI_ENTRY(qn) ||
#endif
NODE_IS_IN_REAL_REPEAT(qn)) {
@@ -893,7 +911,7 @@ compile_quantifier_node(QuantNode* qn, regex_t* reg, ScanEnv* env)
r = compile_tree_n_times(NODE_QUANT_BODY(qn), qn->lower, reg, env);
if (r != 0) return r;
if (IS_NOT_NULL(qn->next_head_exact) && !CKN_ON) {
- if (IS_MULTILINE(reg->options))
+ if (IS_MULTILINE(CTYPE_OPTION(NODE_QUANT_BODY(qn), reg)))
r = add_opcode(reg, OP_ANYCHAR_ML_STAR_PEEK_NEXT);
else
r = add_opcode(reg, OP_ANYCHAR_STAR_PEEK_NEXT);
@@ -906,7 +924,7 @@ compile_quantifier_node(QuantNode* qn, regex_t* reg, ScanEnv* env)
return add_bytes(reg, STR_(qn->next_head_exact)->s, 1);
}
else {
- if (IS_MULTILINE(reg->options)) {
+ if (IS_MULTILINE(CTYPE_OPTION(NODE_QUANT_BODY(qn), reg))) {
r = add_opcode(reg, (CKN_ON ?
OP_STATE_CHECK_ANYCHAR_ML_STAR
: OP_ANYCHAR_ML_STAR));
@@ -1109,7 +1127,7 @@ compile_quantifier_node(QuantNode* qn, regex_t* reg, ScanEnv* env)
r = compile_tree_n_times(NODE_QUANT_BODY(qn), qn->lower, reg, env);
if (r != 0) return r;
if (IS_NOT_NULL(qn->next_head_exact)) {
- if (IS_MULTILINE(reg->options))
+ if (IS_MULTILINE(CTYPE_OPTION(NODE_QUANT_BODY(qn), reg)))
r = add_opcode(reg, OP_ANYCHAR_ML_STAR_PEEK_NEXT);
else
r = add_opcode(reg, OP_ANYCHAR_STAR_PEEK_NEXT);
@@ -1117,7 +1135,7 @@ compile_quantifier_node(QuantNode* qn, regex_t* reg, ScanEnv* env)
return add_bytes(reg, STR_(qn->next_head_exact)->s, 1);
}
else {
- if (IS_MULTILINE(reg->options))
+ if (IS_MULTILINE(CTYPE_OPTION(NODE_QUANT_BODY(qn), reg)))
return add_opcode(reg, OP_ANYCHAR_ML_STAR);
else
return add_opcode(reg, OP_ANYCHAR_STAR);
@@ -1229,7 +1247,7 @@ compile_length_option_node(EnclosureNode* node, regex_t* reg)
int tlen;
OnigOptionType prev = reg->options;
- reg->options = node->o.option;
+ reg->options = node->o.options;
tlen = compile_length_tree(NODE_ENCLOSURE_BODY(node), reg);
reg->options = prev;
@@ -1249,8 +1267,8 @@ compile_option_node(EnclosureNode* node, regex_t* reg, ScanEnv* env)
int r;
OnigOptionType prev = reg->options;
- if (IS_DYNAMIC_OPTION(prev ^ node->o.option)) {
- r = add_opcode_option(reg, OP_SET_OPTION_PUSH, node->o.option);
+ if (IS_DYNAMIC_OPTION(prev ^ node->o.options)) {
+ r = add_opcode_option(reg, OP_SET_OPTION_PUSH, node->o.options);
if (r != 0) return r;
r = add_opcode_option(reg, OP_SET_OPTION, prev);
if (r != 0) return r;
@@ -1258,11 +1276,11 @@ compile_option_node(EnclosureNode* node, regex_t* reg, ScanEnv* env)
if (r != 0) return r;
}
- reg->options = node->o.option;
+ reg->options = node->o.options;
r = compile_tree(NODE_ENCLOSURE_BODY(node), reg, env);
reg->options = prev;
- if (IS_DYNAMIC_OPTION(prev ^ node->o.option)) {
+ if (IS_DYNAMIC_OPTION(prev ^ node->o.options)) {
if (r != 0) return r;
r = add_opcode_option(reg, OP_SET_OPTION, prev);
}
@@ -1287,7 +1305,7 @@ compile_length_enclosure_node(EnclosureNode* node, regex_t* reg)
switch (node->type) {
case ENCLOSURE_MEMORY:
-#ifdef USE_SUBEXP_CALL
+#ifdef USE_CALL
if (node->m.regnum == 0 && NODE_IS_CALLED(node)) {
len = tlen + SIZE_OP_CALL + SIZE_OP_JUMP + SIZE_OP_RETURN;
@@ -1336,6 +1354,32 @@ compile_length_enclosure_node(EnclosureNode* node, regex_t* reg)
}
break;
+ case ENCLOSURE_IF_ELSE:
+ {
+ Node* cond = NODE_ENCLOSURE_BODY(node);
+ Node* Then = node->te.Then;
+ Node* Else = node->te.Else;
+
+ len = compile_length_tree(cond, reg);
+ if (len < 0) return len;
+ len += SIZE_OP_PUSH;
+ len += SIZE_OP_PUSH_STOP_BT + SIZE_OP_POP_STOP_BT;
+
+ if (IS_NOT_NULL(Then)) {
+ tlen = compile_length_tree(Then, reg);
+ if (tlen < 0) return tlen;
+ len += tlen;
+ }
+
+ if (IS_NOT_NULL(Else)) {
+ len += SIZE_OP_JUMP;
+ tlen = compile_length_tree(Else, reg);
+ if (tlen < 0) return tlen;
+ len += tlen;
+ }
+ }
+ break;
+
default:
return ONIGERR_TYPE_BUG;
break;
@@ -1352,7 +1396,7 @@ compile_enclosure_memory_node(EnclosureNode* node, regex_t* reg, ScanEnv* env)
int r;
int len;
-#ifdef USE_SUBEXP_CALL
+#ifdef USE_CALL
if (node->m.regnum == 0 && NODE_IS_CALLED(node)) {
r = add_opcode(reg, OP_CALL);
if (r != 0) return r;
@@ -1370,9 +1414,7 @@ compile_enclosure_memory_node(EnclosureNode* node, regex_t* reg, ScanEnv* env)
r = add_opcode(reg, OP_RETURN);
return r;
}
-#endif
-#ifdef USE_SUBEXP_CALL
if (NODE_IS_CALLED(node)) {
r = add_opcode(reg, OP_CALL);
if (r != 0) return r;
@@ -1404,7 +1446,7 @@ compile_enclosure_memory_node(EnclosureNode* node, regex_t* reg, ScanEnv* env)
r = compile_tree(NODE_ENCLOSURE_BODY(node), reg, env);
if (r != 0) return r;
-#ifdef USE_SUBEXP_CALL
+#ifdef USE_CALL
if (MEM_STATUS_AT0(reg->bt_mem_end, node->m.regnum))
r = add_opcode(reg, (NODE_IS_RECURSION(node)
? OP_MEMORY_END_PUSH_REC : OP_MEMORY_END_PUSH));
@@ -1434,14 +1476,15 @@ compile_enclosure_node(EnclosureNode* node, regex_t* reg, ScanEnv* env)
{
int r, len;
- if (node->type == ENCLOSURE_OPTION)
- return compile_option_node(node, reg, env);
-
switch (node->type) {
case ENCLOSURE_MEMORY:
r = compile_enclosure_memory_node(node, reg, env);
break;
+ case ENCLOSURE_OPTION:
+ r = compile_option_node(node, reg, env);
+ break;
+
case ENCLOSURE_STOP_BACKTRACK:
if (NODE_IS_STOP_BT_SIMPLE_REPEAT(node)) {
QuantNode* qn = QUANT_(NODE_ENCLOSURE_BODY(node));
@@ -1469,6 +1512,49 @@ compile_enclosure_node(EnclosureNode* node, regex_t* reg, ScanEnv* env)
}
break;
+ case ENCLOSURE_IF_ELSE:
+ {
+ int cond_len, then_len, jump_len;
+ Node* cond = NODE_ENCLOSURE_BODY(node);
+ Node* Then = node->te.Then;
+ Node* Else = node->te.Else;
+
+ r = add_opcode(reg, OP_PUSH_STOP_BT);
+ if (r != 0) return r;
+
+ cond_len = compile_length_tree(cond, reg);
+ if (cond_len < 0) return cond_len;
+ if (IS_NOT_NULL(Then)) {
+ then_len = compile_length_tree(Then, reg);
+ if (then_len < 0) return then_len;
+ }
+ else
+ then_len = 0;
+
+ jump_len = cond_len + then_len + SIZE_OP_POP_STOP_BT;
+ if (IS_NOT_NULL(Else)) jump_len += SIZE_OP_JUMP;
+
+ r = add_opcode_rel_addr(reg, OP_PUSH, jump_len);
+ if (r != 0) return r;
+ r = compile_tree(cond, reg, env);
+ if (r != 0) return r;
+ r = add_opcode(reg, OP_POP_STOP_BT);
+ if (r != 0) return r;
+
+ if (IS_NOT_NULL(Then)) {
+ r = compile_tree(Then, reg, env);
+ if (r != 0) return r;
+ }
+
+ if (IS_NOT_NULL(Else)) {
+ int else_len = compile_length_tree(Else, reg);
+ r = add_opcode_rel_addr(reg, OP_JUMP, else_len);
+ if (r != 0) return r;
+ r = compile_tree(Else, reg, env);
+ }
+ }
+ break;
+
default:
return ONIGERR_TYPE_BUG;
break;
@@ -1490,10 +1576,10 @@ compile_length_anchor_node(AnchorNode* node, regex_t* reg)
switch (node->type) {
case ANCHOR_PREC_READ:
- len = SIZE_OP_PUSH_POS + tlen + SIZE_OP_POP_POS;
+ len = SIZE_OP_PREC_READ_START + tlen + SIZE_OP_PREC_READ_END;
break;
case ANCHOR_PREC_READ_NOT:
- len = SIZE_OP_PUSH_POS_NOT + tlen + SIZE_OP_FAIL_POS;
+ len = SIZE_OP_PUSH_PREC_READ_NOT + tlen + SIZE_OP_FAIL_PREC_READ_NOT;
break;
case ANCHOR_LOOK_BEHIND:
len = SIZE_OP_LOOK_BEHIND + tlen;
@@ -1531,21 +1617,21 @@ compile_anchor_node(AnchorNode* node, regex_t* reg, ScanEnv* env)
#endif
case ANCHOR_PREC_READ:
- r = add_opcode(reg, OP_PUSH_POS);
+ r = add_opcode(reg, OP_PREC_READ_START);
if (r != 0) return r;
r = compile_tree(NODE_ANCHOR_BODY(node), reg, env);
if (r != 0) return r;
- r = add_opcode(reg, OP_POP_POS);
+ r = add_opcode(reg, OP_PREC_READ_END);
break;
case ANCHOR_PREC_READ_NOT:
len = compile_length_tree(NODE_ANCHOR_BODY(node), reg);
if (len < 0) return len;
- r = add_opcode_rel_addr(reg, OP_PUSH_POS_NOT, len + SIZE_OP_FAIL_POS);
+ r = add_opcode_rel_addr(reg, OP_PUSH_PREC_READ_NOT, len + SIZE_OP_FAIL_PREC_READ_NOT);
if (r != 0) return r;
r = compile_tree(NODE_ANCHOR_BODY(node), reg, env);
if (r != 0) return r;
- r = add_opcode(reg, OP_FAIL_POS);
+ r = add_opcode(reg, OP_FAIL_PREC_READ_NOT);
break;
case ANCHOR_LOOK_BEHIND:
@@ -1596,6 +1682,67 @@ compile_anchor_node(AnchorNode* node, regex_t* reg, ScanEnv* env)
}
static int
+compile_gimmick_node(GimmickNode* node, regex_t* reg)
+{
+ int r;
+
+ switch (node->type) {
+ case GIMMICK_FAIL:
+ r = add_opcode(reg, OP_FAIL);
+ break;
+
+ case GIMMICK_KEEP:
+ r = add_opcode(reg, OP_PUSH_SAVE_VAL);
+ if (r != 0) return r;
+ r = add_save_type(reg, SAVE_KEEP);
+ if (r != 0) return r;
+ r = add_mem_num(reg, node->id);
+ break;
+
+ case GIMMICK_SAVE:
+ r = add_opcode(reg, OP_PUSH_SAVE_VAL);
+ if (r != 0) return r;
+ r = add_save_type(reg, node->detail_type);
+ if (r != 0) return r;
+ r = add_mem_num(reg, node->id);
+ break;
+
+ case GIMMICK_UPDATE_VAR:
+ r = add_opcode(reg, OP_UPDATE_VAR);
+ if (r != 0) return r;
+ r = add_update_var_type(reg, node->detail_type);
+ if (r != 0) return r;
+ r = add_mem_num(reg, node->id);
+ break;
+ }
+
+ return r;
+}
+
+static int
+compile_length_gimmick_node(GimmickNode* node, regex_t* reg)
+{
+ int len;
+
+ switch (node->type) {
+ case GIMMICK_FAIL:
+ len = SIZE_OP_FAIL;
+ break;
+
+ case GIMMICK_KEEP:
+ case GIMMICK_SAVE:
+ len = SIZE_OP_PUSH_SAVE_VAL;
+ break;
+
+ case GIMMICK_UPDATE_VAR:
+ len = SIZE_OP_UPDATE_VAR;
+ break;
+ }
+
+ return len;
+}
+
+static int
compile_length_tree(Node* node, regex_t* reg)
{
int len, r;
@@ -1624,8 +1771,8 @@ compile_length_tree(Node* node, regex_t* reg)
}
break;
- case NODE_STR:
- if (NSTRING_IS_RAW(node))
+ case NODE_STRING:
+ if (NODE_STRING_IS_RAW(node))
r = compile_length_string_raw_node(STR_(node), reg);
else
r = compile_length_string_node(node, reg);
@@ -1639,28 +1786,39 @@ compile_length_tree(Node* node, regex_t* reg)
r = SIZE_OPCODE;
break;
- case NODE_BREF:
+ case NODE_BACKREF:
{
- BRefNode* br = BREF_(node);
+ BackRefNode* br = BACKREF_(node);
+ if (NODE_IS_CHECKER(node)) {
#ifdef USE_BACKREF_WITH_LEVEL
- if (NODE_IS_NEST_LEVEL(node)) {
- r = SIZE_OPCODE + SIZE_OPTION + SIZE_LENGTH +
- SIZE_LENGTH + (SIZE_MEMNUM * br->back_num);
- }
- else
+ if (NODE_IS_NEST_LEVEL(node)) {
+ r = SIZE_OPCODE + SIZE_LENGTH + SIZE_LENGTH + (SIZE_MEMNUM * br->back_num);
+ }
+ else
#endif
- if (br->back_num == 1) {
- r = ((!IS_IGNORECASE(reg->options) && br->back_static[0] <= 2)
- ? SIZE_OPCODE : (SIZE_OPCODE + SIZE_MEMNUM));
+ r = SIZE_OPCODE + SIZE_LENGTH + (SIZE_MEMNUM * br->back_num);
}
else {
- r = SIZE_OPCODE + SIZE_LENGTH + (SIZE_MEMNUM * br->back_num);
+#ifdef USE_BACKREF_WITH_LEVEL
+ if (NODE_IS_NEST_LEVEL(node)) {
+ r = SIZE_OPCODE + SIZE_OPTION + SIZE_LENGTH +
+ SIZE_LENGTH + (SIZE_MEMNUM * br->back_num);
+ }
+ else
+#endif
+ if (br->back_num == 1) {
+ r = ((!IS_IGNORECASE(reg->options) && br->back_static[0] <= 2)
+ ? SIZE_OPCODE : (SIZE_OPCODE + SIZE_MEMNUM));
+ }
+ else {
+ r = SIZE_OPCODE + SIZE_LENGTH + (SIZE_MEMNUM * br->back_num);
+ }
}
}
break;
-#ifdef USE_SUBEXP_CALL
+#ifdef USE_CALL
case NODE_CALL:
r = SIZE_OP_CALL;
break;
@@ -1678,6 +1836,10 @@ compile_length_tree(Node* node, regex_t* reg)
r = compile_length_anchor_node(ANCHOR_(node), reg);
break;
+ case NODE_GIMMICK:
+ r = compile_length_gimmick_node(GIMMICK_(node), reg);
+ break;
+
default:
return ONIGERR_TYPE_BUG;
break;
@@ -1713,7 +1875,8 @@ compile_tree(Node* node, regex_t* reg, ScanEnv* env)
do {
len = compile_length_tree(NODE_CAR(node), reg);
if (IS_NOT_NULL(NODE_CDR(node))) {
- r = add_opcode_rel_addr(reg, OP_PUSH, len + SIZE_OP_JUMP);
+ enum OpCode push = NODE_IS_SUPER(node) ? OP_PUSH_SUPER : OP_PUSH;
+ r = add_opcode_rel_addr(reg, push, len + SIZE_OP_JUMP);
if (r != 0) break;
}
r = compile_tree(NODE_CAR(node), reg, env);
@@ -1727,8 +1890,8 @@ compile_tree(Node* node, regex_t* reg, ScanEnv* env)
}
break;
- case NODE_STR:
- if (NSTRING_IS_RAW(node))
+ case NODE_STRING:
+ if (NODE_STRING_IS_RAW(node))
r = compile_string_raw_node(STR_(node), reg);
else
r = compile_string_node(node, reg);
@@ -1744,7 +1907,7 @@ compile_tree(Node* node, regex_t* reg, ScanEnv* env)
switch (CTYPE_(node)->ctype) {
case CTYPE_ANYCHAR:
- if (IS_MULTILINE(reg->options))
+ if (IS_MULTILINE(CTYPE_OPTION(node, reg)))
r = add_opcode(reg, OP_ANYCHAR_ML);
else
r = add_opcode(reg, OP_ANYCHAR);
@@ -1764,69 +1927,86 @@ compile_tree(Node* node, regex_t* reg, ScanEnv* env)
}
break;
- case NODE_BREF:
+ case NODE_BACKREF:
{
- BRefNode* br = BREF_(node);
+ BackRefNode* br = BACKREF_(node);
+ if (NODE_IS_CHECKER(node)) {
#ifdef USE_BACKREF_WITH_LEVEL
- if (NODE_IS_NEST_LEVEL(node)) {
- r = add_opcode(reg, OP_BACKREF_WITH_LEVEL);
- if (r != 0) return r;
- r = add_option(reg, (reg->options & ONIG_OPTION_IGNORECASE));
- if (r != 0) return r;
- r = add_length(reg, br->nest_level);
- if (r != 0) return r;
+ if (NODE_IS_NEST_LEVEL(node)) {
+ r = add_opcode(reg, OP_BACKREF_CHECK_WITH_LEVEL);
+ if (r != 0) return r;
+ r = add_length(reg, br->nest_level);
+ if (r != 0) return r;
+ }
+ else
+#endif
+ {
+ r = add_opcode(reg, OP_BACKREF_CHECK);
+ if (r != 0) return r;
+ }
goto add_bacref_mems;
}
- else
-#endif
- if (br->back_num == 1) {
- n = br->back_static[0];
- if (IS_IGNORECASE(reg->options)) {
- r = add_opcode(reg, OP_BACKREFN_IC);
+ else {
+#ifdef USE_BACKREF_WITH_LEVEL
+ if (NODE_IS_NEST_LEVEL(node)) {
+ r = add_opcode(reg, OP_BACKREF_WITH_LEVEL);
+ if (r != 0) return r;
+ r = add_option(reg, (reg->options & ONIG_OPTION_IGNORECASE));
+ if (r != 0) return r;
+ r = add_length(reg, br->nest_level);
if (r != 0) return r;
- r = add_mem_num(reg, n);
+
+ goto add_bacref_mems;
}
- else {
- switch (n) {
- case 1: r = add_opcode(reg, OP_BACKREF1); break;
- case 2: r = add_opcode(reg, OP_BACKREF2); break;
- default:
- r = add_opcode(reg, OP_BACKREFN);
+ else
+#endif
+ if (br->back_num == 1) {
+ n = br->back_static[0];
+ if (IS_IGNORECASE(reg->options)) {
+ r = add_opcode(reg, OP_BACKREF_N_IC);
if (r != 0) return r;
r = add_mem_num(reg, n);
- break;
}
- }
- }
- else {
- int i;
- int* p;
-
- if (IS_IGNORECASE(reg->options)) {
- r = add_opcode(reg, OP_BACKREF_MULTI_IC);
+ else {
+ switch (n) {
+ case 1: r = add_opcode(reg, OP_BACKREF1); break;
+ case 2: r = add_opcode(reg, OP_BACKREF2); break;
+ default:
+ r = add_opcode(reg, OP_BACKREF_N);
+ if (r != 0) return r;
+ r = add_mem_num(reg, n);
+ break;
+ }
+ }
}
else {
- r = add_opcode(reg, OP_BACKREF_MULTI);
- }
- if (r != 0) return r;
+ int i;
+ int* p;
-#ifdef USE_BACKREF_WITH_LEVEL
- add_bacref_mems:
-#endif
- r = add_length(reg, br->back_num);
- if (r != 0) return r;
- p = BACKREFS_P(br);
- for (i = br->back_num - 1; i >= 0; i--) {
- r = add_mem_num(reg, p[i]);
+ if (IS_IGNORECASE(reg->options)) {
+ r = add_opcode(reg, OP_BACKREF_MULTI_IC);
+ }
+ else {
+ r = add_opcode(reg, OP_BACKREF_MULTI);
+ }
if (r != 0) return r;
+
+ add_bacref_mems:
+ r = add_length(reg, br->back_num);
+ if (r != 0) return r;
+ p = BACKREFS_P(br);
+ for (i = br->back_num - 1; i >= 0; i--) {
+ r = add_mem_num(reg, p[i]);
+ if (r != 0) return r;
+ }
}
}
}
break;
-#ifdef USE_SUBEXP_CALL
+#ifdef USE_CALL
case NODE_CALL:
r = compile_call(CALL_(node), reg, env);
break;
@@ -1844,6 +2024,10 @@ compile_tree(Node* node, regex_t* reg, ScanEnv* env)
r = compile_anchor_node(ANCHOR_(node), reg, env);
break;
+ case NODE_GIMMICK:
+ r = compile_gimmick_node(GIMMICK_(node), reg);
+ break;
+
default:
#ifdef ONIG_DEBUG
fprintf(stderr, "compile_tree: undefined node type %d\n", NODE_TYPE(node));
@@ -1898,6 +2082,18 @@ noname_disable_map(Node** plink, GroupNumRemap* map, int* counter)
r = noname_disable_map(plink, map, counter);
}
}
+ else if (en->type == ENCLOSURE_IF_ELSE) {
+ r = noname_disable_map(&(NODE_ENCLOSURE_BODY(en)), map, counter);
+ if (r != 0) return r;
+ if (IS_NOT_NULL(en->te.Then)) {
+ r = noname_disable_map(&(en->te.Then), map, counter);
+ if (r != 0) return r;
+ }
+ if (IS_NOT_NULL(en->te.Else)) {
+ r = noname_disable_map(&(en->te.Else), map, counter);
+ if (r != 0) return r;
+ }
+ }
else
r = noname_disable_map(&(NODE_BODY(node)), map, counter);
}
@@ -1920,7 +2116,7 @@ renumber_node_backref(Node* node, GroupNumRemap* map)
{
int i, pos, n, old_num;
int *backs;
- BRefNode* bn = BREF_(node);
+ BackRefNode* bn = BACKREF_(node);
if (! NODE_IS_BY_NAME(node))
return ONIGERR_NUMBERED_BACKREF_OR_CALL_NOT_ALLOWED;
@@ -1957,11 +2153,29 @@ renumber_by_map(Node* node, GroupNumRemap* map)
break;
case NODE_QUANT:
- case NODE_ENCLOSURE:
r = renumber_by_map(NODE_BODY(node), map);
break;
- case NODE_BREF:
+ case NODE_ENCLOSURE:
+ {
+ EnclosureNode* en = ENCLOSURE_(node);
+ r = renumber_by_map(NODE_BODY(node), map);
+ if (r != 0) return r;
+
+ if (en->type == ENCLOSURE_IF_ELSE) {
+ if (IS_NOT_NULL(en->te.Then)) {
+ r = renumber_by_map(en->te.Then, map);
+ if (r != 0) return r;
+ }
+ if (IS_NOT_NULL(en->te.Else)) {
+ r = renumber_by_map(en->te.Else, map);
+ if (r != 0) return r;
+ }
+ }
+ }
+ break;
+
+ case NODE_BACKREF:
r = renumber_node_backref(node, map);
break;
@@ -1995,11 +2209,30 @@ numbered_ref_check(Node* node)
break;
/* fall */
case NODE_QUANT:
- case NODE_ENCLOSURE:
r = numbered_ref_check(NODE_BODY(node));
break;
- case NODE_BREF:
+ case NODE_ENCLOSURE:
+ {
+ EnclosureNode* en = ENCLOSURE_(node);
+ r = numbered_ref_check(NODE_BODY(node));
+ if (r != 0) return r;
+
+ if (en->type == ENCLOSURE_IF_ELSE) {
+ if (IS_NOT_NULL(en->te.Then)) {
+ r = numbered_ref_check(en->te.Then);
+ if (r != 0) return r;
+ }
+ if (IS_NOT_NULL(en->te.Else)) {
+ r = numbered_ref_check(en->te.Else);
+ if (r != 0) return r;
+ }
+ }
+ }
+
+ break;
+
+ case NODE_BACKREF:
if (! NODE_IS_BY_NAME(node))
return ONIGERR_NUMBERED_BACKREF_OR_CALL_NOT_ALLOWED;
break;
@@ -2052,7 +2285,7 @@ disable_noname_group_capture(Node** root, regex_t* reg, ScanEnv* env)
}
#endif /* USE_NAMED_GROUP */
-#ifdef USE_SUBEXP_CALL
+#ifdef USE_CALL
static int
unset_addr_list_fix(UnsetAddrList* uslist, regex_t* reg)
{
@@ -2061,9 +2294,11 @@ unset_addr_list_fix(UnsetAddrList* uslist, regex_t* reg)
AbsAddrType addr;
for (i = 0; i < uslist->num; i++) {
+ if (! NODE_IS_ADDR_FIXED(uslist->us[i].target))
+ return ONIGERR_PARSER_BUG;
+
en = ENCLOSURE_(uslist->us[i].target);
- if (! NODE_IS_ADDR_FIXED(en)) return ONIGERR_PARSER_BUG;
- addr = en->m.called_addr;
+ addr = en->m.called_addr;
offset = uslist->us[i].offset;
BBUF_WRITE(reg, offset, &addr, SIZE_ABSADDR);
@@ -2120,7 +2355,7 @@ get_char_length_tree1(Node* node, regex_t* reg, int* len, int level)
}
break;
- case NODE_STR:
+ case NODE_STRING:
{
StrNode* sn = STR_(node);
UChar *s = sn->s;
@@ -2135,16 +2370,21 @@ get_char_length_tree1(Node* node, regex_t* reg, int* len, int level)
{
QuantNode* qn = QUANT_(node);
if (qn->lower == qn->upper) {
- r = get_char_length_tree1(NODE_BODY(node), reg, &tlen, level);
- if (r == 0)
- *len = distance_multiply(tlen, qn->lower);
+ if (qn->upper == 0) {
+ *len = 0;
+ }
+ else {
+ r = get_char_length_tree1(NODE_BODY(node), reg, &tlen, level);
+ if (r == 0)
+ *len = distance_multiply(tlen, qn->lower);
+ }
}
else
r = GET_CHAR_LEN_VARLEN;
}
break;
-#ifdef USE_SUBEXP_CALL
+#ifdef USE_CALL
case NODE_CALL:
if (! NODE_IS_RECURSION(node))
r = get_char_length_tree1(NODE_BODY(node), reg, len, level);
@@ -2166,7 +2406,7 @@ get_char_length_tree1(Node* node, regex_t* reg, int* len, int level)
EnclosureNode* en = ENCLOSURE_(node);
switch (en->type) {
case ENCLOSURE_MEMORY:
-#ifdef USE_SUBEXP_CALL
+#ifdef USE_CALL
if (NODE_IS_CLEN_FIXED(node))
*len = en->char_len;
else {
@@ -2182,6 +2422,31 @@ get_char_length_tree1(Node* node, regex_t* reg, int* len, int level)
case ENCLOSURE_STOP_BACKTRACK:
r = get_char_length_tree1(NODE_BODY(node), reg, len, level);
break;
+ case ENCLOSURE_IF_ELSE:
+ {
+ int clen, elen;
+ r = get_char_length_tree1(NODE_BODY(node), reg, &clen, level);
+ if (r == 0) {
+ if (IS_NOT_NULL(en->te.Then)) {
+ r = get_char_length_tree1(en->te.Then, reg, &tlen, level);
+ if (r != 0) break;
+ }
+ else tlen = 0;
+ if (IS_NOT_NULL(en->te.Else)) {
+ r = get_char_length_tree1(en->te.Else, reg, &elen, level);
+ if (r != 0) break;
+ }
+ else elen = 0;
+
+ if (clen + tlen != elen) {
+ r = GET_CHAR_LEN_VARLEN;
+ }
+ else {
+ *len = elen;
+ }
+ }
+ }
+ break;
default:
break;
}
@@ -2189,8 +2454,13 @@ get_char_length_tree1(Node* node, regex_t* reg, int* len, int level)
break;
case NODE_ANCHOR:
+ case NODE_GIMMICK:
break;
+ case NODE_BACKREF:
+ if (NODE_IS_CHECKER(node))
+ break;
+ /* fall */
default:
r = GET_CHAR_LEN_VARLEN;
break;
@@ -2241,7 +2511,7 @@ is_exclusive(Node* x, Node* y, regex_t* reg)
}
break;
- case NODE_STR:
+ case NODE_STRING:
goto swap;
break;
@@ -2318,7 +2588,7 @@ is_exclusive(Node* x, Node* y, regex_t* reg)
}
break;
- case NODE_STR:
+ case NODE_STRING:
goto swap;
break;
@@ -2328,10 +2598,10 @@ is_exclusive(Node* x, Node* y, regex_t* reg)
}
break;
- case NODE_STR:
+ case NODE_STRING:
{
StrNode* xs = STR_(x);
- if (NSTRING_LEN(x) == 0)
+ if (NODE_STRING_LEN(x) == 0)
break;
//c = *(xs->s);
@@ -2362,13 +2632,13 @@ is_exclusive(Node* x, Node* y, regex_t* reg)
}
break;
- case NODE_STR:
+ case NODE_STRING:
{
UChar *q;
StrNode* ys = STR_(y);
- len = NSTRING_LEN(x);
- if (len > NSTRING_LEN(y)) len = NSTRING_LEN(y);
- if (NSTRING_IS_AMBIG(x) || NSTRING_IS_AMBIG(y)) {
+ len = NODE_STRING_LEN(x);
+ if (len > NODE_STRING_LEN(y)) len = NODE_STRING_LEN(y);
+ if (NODE_STRING_IS_AMBIG(x) || NODE_STRING_IS_AMBIG(y)) {
/* tiny version */
return 0;
}
@@ -2399,9 +2669,9 @@ get_head_value_node(Node* node, int exact, regex_t* reg)
Node* n = NULL_NODE;
switch (NODE_TYPE(node)) {
- case NODE_BREF:
+ case NODE_BACKREF:
case NODE_ALT:
-#ifdef USE_SUBEXP_CALL
+#ifdef USE_CALL
case NODE_CALL:
#endif
break;
@@ -2420,7 +2690,7 @@ get_head_value_node(Node* node, int exact, regex_t* reg)
n = get_head_value_node(NODE_CAR(node), exact, reg);
break;
- case NODE_STR:
+ case NODE_STRING:
{
StrNode* sn = STR_(node);
@@ -2428,7 +2698,7 @@ get_head_value_node(Node* node, int exact, regex_t* reg)
break;
if (exact != 0 &&
- !NSTRING_IS_RAW(node) && IS_IGNORECASE(reg->options)) {
+ !NODE_STRING_IS_RAW(node) && IS_IGNORECASE(reg->options)) {
}
else {
n = node;
@@ -2456,7 +2726,7 @@ get_head_value_node(Node* node, int exact, regex_t* reg)
{
OnigOptionType options = reg->options;
- reg->options = ENCLOSURE_(node)->o.option;
+ reg->options = ENCLOSURE_(node)->o.options;
n = get_head_value_node(NODE_BODY(node), exact, reg);
reg->options = options;
}
@@ -2464,6 +2734,7 @@ get_head_value_node(Node* node, int exact, regex_t* reg)
case ENCLOSURE_MEMORY:
case ENCLOSURE_STOP_BACKTRACK:
+ case ENCLOSURE_IF_ELSE:
n = get_head_value_node(NODE_BODY(node), exact, reg);
break;
}
@@ -2475,6 +2746,7 @@ get_head_value_node(Node* node, int exact, regex_t* reg)
n = get_head_value_node(NODE_BODY(node), exact, reg);
break;
+ case NODE_GIMMICK:
default:
break;
}
@@ -2512,6 +2784,15 @@ check_type_tree(Node* node, int type_mask, int enclosure_mask, int anchor_mask)
return 1;
r = check_type_tree(NODE_BODY(node), type_mask, enclosure_mask, anchor_mask);
+ if (r == 0 && en->type == ENCLOSURE_IF_ELSE) {
+ if (IS_NOT_NULL(en->te.Then)) {
+ r = check_type_tree(en->te.Then, type_mask, enclosure_mask, anchor_mask);
+ if (r != 0) break;
+ }
+ if (IS_NOT_NULL(en->te.Else)) {
+ r = check_type_tree(en->te.Else, type_mask, enclosure_mask, anchor_mask);
+ }
+ }
}
break;
@@ -2524,6 +2805,7 @@ check_type_tree(Node* node, int type_mask, int enclosure_mask, int anchor_mask)
r = check_type_tree(NODE_BODY(node), type_mask, enclosure_mask, anchor_mask);
break;
+ case NODE_GIMMICK:
default:
break;
}
@@ -2531,31 +2813,31 @@ check_type_tree(Node* node, int type_mask, int enclosure_mask, int anchor_mask)
}
static OnigLen
-get_min_len(Node* node, ScanEnv* env)
+tree_min_len(Node* node, ScanEnv* env)
{
OnigLen len;
OnigLen tmin;
len = 0;
switch (NODE_TYPE(node)) {
- case NODE_BREF:
- {
+ case NODE_BACKREF:
+ if (! NODE_IS_CHECKER(node)) {
int i;
int* backs;
MemEnv* mem_env = SCANENV_MEMENV(env);
- BRefNode* br = BREF_(node);
+ BackRefNode* br = BACKREF_(node);
if (NODE_IS_RECURSION(node)) break;
backs = BACKREFS_P(br);
- len = get_min_len(mem_env[backs[0]].node, env);
+ len = tree_min_len(mem_env[backs[0]].node, env);
for (i = 1; i < br->back_num; i++) {
- tmin = get_min_len(mem_env[backs[i]].node, env);
+ tmin = tree_min_len(mem_env[backs[i]].node, env);
if (len > tmin) len = tmin;
}
}
break;
-#ifdef USE_SUBEXP_CALL
+#ifdef USE_CALL
case NODE_CALL:
{
Node* t = NODE_BODY(node);
@@ -2564,15 +2846,15 @@ get_min_len(Node* node, ScanEnv* env)
len = ENCLOSURE_(t)->min_len;
}
else
- len = get_min_len(t, env);
+ len = tree_min_len(t, env);
}
break;
#endif
case NODE_LIST:
do {
- tmin = get_min_len(NODE_CAR(node), env);
- len += tmin;
+ tmin = tree_min_len(NODE_CAR(node), env);
+ len = distance_add(len, tmin);
} while (IS_NOT_NULL(node = NODE_CDR(node)));
break;
@@ -2582,14 +2864,14 @@ get_min_len(Node* node, ScanEnv* env)
y = node;
do {
x = NODE_CAR(y);
- tmin = get_min_len(x, env);
+ tmin = tree_min_len(x, env);
if (y == node) len = tmin;
else if (len > tmin) len = tmin;
} while (IS_NOT_NULL(y = NODE_CDR(y)));
}
break;
- case NODE_STR:
+ case NODE_STRING:
{
StrNode* sn = STR_(node);
len = sn->end - sn->s;
@@ -2598,7 +2880,7 @@ get_min_len(Node* node, ScanEnv* env)
case NODE_CTYPE:
case NODE_CCLASS:
- len = 1;
+ len = ONIGENC_MBC_MINLEN(env->enc);
break;
case NODE_QUANT:
@@ -2606,7 +2888,7 @@ get_min_len(Node* node, ScanEnv* env)
QuantNode* qn = QUANT_(node);
if (qn->lower > 0) {
- len = get_min_len(NODE_BODY(node), env);
+ len = tree_min_len(NODE_BODY(node), env);
len = distance_multiply(len, qn->lower);
}
}
@@ -2624,7 +2906,7 @@ get_min_len(Node* node, ScanEnv* env)
len = 0; // recursive
else {
NODE_STATUS_ADD(node, NST_MARK1);
- len = get_min_len(NODE_BODY(node), env);
+ len = tree_min_len(NODE_BODY(node), env);
NODE_STATUS_REMOVE(node, NST_MARK1);
en->min_len = len;
@@ -2635,12 +2917,34 @@ get_min_len(Node* node, ScanEnv* env)
case ENCLOSURE_OPTION:
case ENCLOSURE_STOP_BACKTRACK:
- len = get_min_len(NODE_BODY(node), env);
+ len = tree_min_len(NODE_BODY(node), env);
+ break;
+ case ENCLOSURE_IF_ELSE:
+ {
+ int elen;
+ len = tree_min_len(NODE_BODY(node), env);
+ if (IS_NOT_NULL(en->te.Then))
+ len += tree_min_len(en->te.Then, env);
+ if (IS_NOT_NULL(en->te.Else))
+ elen = tree_min_len(en->te.Else, env);
+ else elen = 0;
+
+ if (elen < len) len = elen;
+ }
break;
}
}
break;
+ case NODE_GIMMICK:
+ {
+ GimmickNode* g = GIMMICK_(node);
+ if (g->type == GIMMICK_FAIL) {
+ len = INFINITE_LEN;
+ break;
+ }
+ }
+ /* fall */
case NODE_ANCHOR:
default:
break;
@@ -2650,7 +2954,7 @@ get_min_len(Node* node, ScanEnv* env)
}
static OnigLen
-get_max_len(Node* node, ScanEnv* env)
+tree_max_len(Node* node, ScanEnv* env)
{
OnigLen len;
OnigLen tmax;
@@ -2659,19 +2963,19 @@ get_max_len(Node* node, ScanEnv* env)
switch (NODE_TYPE(node)) {
case NODE_LIST:
do {
- tmax = get_max_len(NODE_CAR(node), env);
+ tmax = tree_max_len(NODE_CAR(node), env);
len = distance_add(len, tmax);
} while (IS_NOT_NULL(node = NODE_CDR(node)));
break;
case NODE_ALT:
do {
- tmax = get_max_len(NODE_CAR(node), env);
+ tmax = tree_max_len(NODE_CAR(node), env);
if (len < tmax) len = tmax;
} while (IS_NOT_NULL(node = NODE_CDR(node)));
break;
- case NODE_STR:
+ case NODE_STRING:
{
StrNode* sn = STR_(node);
len = sn->end - sn->s;
@@ -2683,30 +2987,30 @@ get_max_len(Node* node, ScanEnv* env)
len = ONIGENC_MBC_MAXLEN_DIST(env->enc);
break;
- case NODE_BREF:
- {
+ case NODE_BACKREF:
+ if (! NODE_IS_CHECKER(node)) {
int i;
int* backs;
MemEnv* mem_env = SCANENV_MEMENV(env);
- BRefNode* br = BREF_(node);
+ BackRefNode* br = BACKREF_(node);
if (NODE_IS_RECURSION(node)) {
- len = ONIG_INFINITE_DISTANCE;
+ len = INFINITE_LEN;
break;
}
backs = BACKREFS_P(br);
for (i = 0; i < br->back_num; i++) {
- tmax = get_max_len(mem_env[backs[i]].node, env);
+ tmax = tree_max_len(mem_env[backs[i]].node, env);
if (len < tmax) len = tmax;
}
}
break;
-#ifdef USE_SUBEXP_CALL
+#ifdef USE_CALL
case NODE_CALL:
if (! NODE_IS_RECURSION(node))
- len = get_max_len(NODE_BODY(node), env);
+ len = tree_max_len(NODE_BODY(node), env);
else
- len = ONIG_INFINITE_DISTANCE;
+ len = INFINITE_LEN;
break;
#endif
@@ -2715,12 +3019,12 @@ get_max_len(Node* node, ScanEnv* env)
QuantNode* qn = QUANT_(node);
if (qn->upper != 0) {
- len = get_max_len(NODE_BODY(node), env);
+ len = tree_max_len(NODE_BODY(node), env);
if (len != 0) {
if (! IS_REPEAT_INFINITE(qn->upper))
len = distance_multiply(len, qn->upper);
else
- len = ONIG_INFINITE_DISTANCE;
+ len = INFINITE_LEN;
}
}
}
@@ -2735,10 +3039,10 @@ get_max_len(Node* node, ScanEnv* env)
len = en->max_len;
else {
if (NODE_IS_MARK1(node))
- len = ONIG_INFINITE_DISTANCE;
+ len = INFINITE_LEN;
else {
NODE_STATUS_ADD(node, NST_MARK1);
- len = get_max_len(NODE_BODY(node), env);
+ len = tree_max_len(NODE_BODY(node), env);
NODE_STATUS_REMOVE(node, NST_MARK1);
en->max_len = len;
@@ -2749,13 +3053,29 @@ get_max_len(Node* node, ScanEnv* env)
case ENCLOSURE_OPTION:
case ENCLOSURE_STOP_BACKTRACK:
- len = get_max_len(NODE_BODY(node), env);
+ len = tree_max_len(NODE_BODY(node), env);
+ break;
+ case ENCLOSURE_IF_ELSE:
+ {
+ int tlen, elen;
+ len = tree_max_len(NODE_BODY(node), env);
+ if (IS_NOT_NULL(en->te.Then)) {
+ tlen = tree_max_len(en->te.Then, env);
+ len = distance_add(len, tlen);
+ }
+ if (IS_NOT_NULL(en->te.Else))
+ elen = tree_max_len(en->te.Else, env);
+ else elen = 0;
+
+ if (elen > len) len = elen;
+ }
break;
}
}
break;
case NODE_ANCHOR:
+ case NODE_GIMMICK:
default:
break;
}
@@ -2783,14 +3103,31 @@ check_backrefs(Node* node, ScanEnv* env)
}
/* fall */
case NODE_QUANT:
+ r = check_backrefs(NODE_BODY(node), env);
+ break;
+
case NODE_ENCLOSURE:
r = check_backrefs(NODE_BODY(node), env);
+ {
+ EnclosureNode* en = ENCLOSURE_(node);
+
+ if (en->type == ENCLOSURE_IF_ELSE) {
+ if (r != 0) return r;
+ if (IS_NOT_NULL(en->te.Then)) {
+ r = check_backrefs(en->te.Then, env);
+ if (r != 0) return r;
+ }
+ if (IS_NOT_NULL(en->te.Else)) {
+ r = check_backrefs(en->te.Else, env);
+ }
+ }
+ }
break;
- case NODE_BREF:
+ case NODE_BACKREF:
{
int i;
- BRefNode* br = BREF_(node);
+ BackRefNode* br = BACKREF_(node);
int* backs = BACKREFS_P(br);
MemEnv* mem_env = SCANENV_MEMENV(env);
@@ -2813,7 +3150,7 @@ check_backrefs(Node* node, ScanEnv* env)
}
-#ifdef USE_SUBEXP_CALL
+#ifdef USE_CALL
#define RECURSION_EXIST (1<<0)
#define RECURSION_MUST (1<<1)
@@ -2822,6 +3159,7 @@ check_backrefs(Node* node, ScanEnv* env)
static int
infinite_recursive_call_check(Node* node, ScanEnv* env, int head)
{
+ int ret;
int r = 0;
switch (NODE_TYPE(node)) {
@@ -2829,15 +3167,14 @@ infinite_recursive_call_check(Node* node, ScanEnv* env, int head)
{
Node *x;
OnigLen min;
- int ret;
x = node;
do {
ret = infinite_recursive_call_check(NODE_CAR(x), env, head);
if (ret < 0 || (ret & RECURSION_INFINITE) != 0) return ret;
r |= ret;
- if (head) {
- min = get_min_len(NODE_CAR(x), env);
+ if (head != 0) {
+ min = tree_min_len(NODE_CAR(x), env);
if (min != 0) head = 0;
}
} while (IS_NOT_NULL(x = NODE_CDR(x)));
@@ -2846,7 +3183,6 @@ infinite_recursive_call_check(Node* node, ScanEnv* env, int head)
case NODE_ALT:
{
- int ret;
int must;
must = RECURSION_MUST;
@@ -2894,6 +3230,31 @@ infinite_recursive_call_check(Node* node, ScanEnv* env, int head)
NODE_STATUS_REMOVE(node, NST_MARK2);
}
}
+ else if (en->type == ENCLOSURE_IF_ELSE) {
+ int eret;
+
+ ret = infinite_recursive_call_check(NODE_BODY(node), env, head);
+ if (ret < 0 || (ret & RECURSION_INFINITE) != 0) return ret;
+ r |= ret;
+ if (IS_NOT_NULL(en->te.Then)) {
+ OnigLen min;
+ if (head != 0) {
+ min = tree_min_len(NODE_BODY(node), env);
+ }
+ else min = 0;
+
+ ret = infinite_recursive_call_check(en->te.Then, env, min != 0 ? 0:head);
+ if (ret < 0 || (ret & RECURSION_INFINITE) != 0) return ret;
+ r |= ret;
+ }
+ if (IS_NOT_NULL(en->te.Else)) {
+ eret = infinite_recursive_call_check(en->te.Else, env, head);
+ if (eret < 0 || (eret & RECURSION_INFINITE) != 0) return eret;
+ r |= (eret & RECURSION_EXIST);
+ if ((eret & RECURSION_MUST) == 0)
+ r &= ~RECURSION_MUST;
+ }
+ }
else {
r = infinite_recursive_call_check(NODE_BODY(node), env, head);
}
@@ -2948,6 +3309,16 @@ infinite_recursive_call_check_trav(Node* node, ScanEnv* env)
NODE_STATUS_REMOVE(node, NST_MARK1);
}
}
+ else if (en->type == ENCLOSURE_IF_ELSE) {
+ if (IS_NOT_NULL(en->te.Then)) {
+ r = infinite_recursive_call_check_trav(en->te.Then, env);
+ if (r != 0) return r;
+ }
+ if (IS_NOT_NULL(en->te.Else)) {
+ r = infinite_recursive_call_check_trav(en->te.Else, env);
+ if (r != 0) return r;
+ }
+ }
}
r = infinite_recursive_call_check_trav(NODE_BODY(node), env);
@@ -2987,7 +3358,10 @@ recursive_call_check(Node* node)
case NODE_CALL:
r = recursive_call_check(NODE_BODY(node));
- if (r != 0) NODE_STATUS_ADD(node, NST_RECURSION);
+ if (r != 0) {
+ if (NODE_IS_MARK1(NODE_BODY(node)))
+ NODE_STATUS_ADD(node, NST_RECURSION);
+ }
break;
case NODE_ENCLOSURE:
@@ -3005,6 +3379,16 @@ recursive_call_check(Node* node)
NODE_STATUS_REMOVE(node, NST_MARK2);
}
}
+ else if (en->type == ENCLOSURE_IF_ELSE) {
+ r = 0;
+ if (IS_NOT_NULL(en->te.Then)) {
+ r |= recursive_call_check(en->te.Then);
+ }
+ if (IS_NOT_NULL(en->te.Else)) {
+ r |= recursive_call_check(en->te.Else);
+ }
+ r |= recursive_call_check(NODE_BODY(node));
+ }
else {
r = recursive_call_check(NODE_BODY(node));
}
@@ -3058,6 +3442,8 @@ recursive_call_check_trav(Node* node, ScanEnv* env, int state)
case NODE_ENCLOSURE:
{
+ int ret;
+ int state1;
EnclosureNode* en = ENCLOSURE_(node);
if (en->type == ENCLOSURE_MEMORY) {
@@ -3075,16 +3461,25 @@ recursive_call_check_trav(Node* node, ScanEnv* env, int state)
}
}
- {
- int ret;
- int state1 = state;
+ state1 = state;
+ if (NODE_IS_RECURSION(node))
+ state1 |= IN_RECURSION;
- if (NODE_IS_RECURSION(node))
- state1 |= IN_RECURSION;
+ ret = recursive_call_check_trav(NODE_BODY(node), env, state1);
+ if (ret == FOUND_CALLED_NODE)
+ r = FOUND_CALLED_NODE;
- ret = recursive_call_check_trav(NODE_BODY(node), env, state1);
- if (ret == FOUND_CALLED_NODE)
- r = FOUND_CALLED_NODE;
+ if (en->type == ENCLOSURE_IF_ELSE) {
+ if (IS_NOT_NULL(en->te.Then)) {
+ ret = recursive_call_check_trav(en->te.Then, env, state1);
+ if (ret == FOUND_CALLED_NODE)
+ r = FOUND_CALLED_NODE;
+ }
+ if (IS_NOT_NULL(en->te.Else)) {
+ ret = recursive_call_check_trav(en->te.Else, env, state1);
+ if (ret == FOUND_CALLED_NODE)
+ r = FOUND_CALLED_NODE;
+ }
}
}
break;
@@ -3126,7 +3521,7 @@ divide_look_behind_alternatives(Node* node)
if (anc_type == ANCHOR_LOOK_BEHIND_NOT) {
np = node;
do {
- SET_NODE_TYPE(np, NODE_LIST); /* alt -> list */
+ NODE_SET_TYPE(np, NODE_LIST); /* alt -> list */
} while (IS_NOT_NULL(np = NODE_CDR(np)));
}
return 0;
@@ -3257,8 +3652,8 @@ expand_case_fold_make_rem_string(Node** rnode, UChar *s, UChar *end,
return r;
}
- NSTRING_SET_AMBIG(node);
- NSTRING_SET_DONT_GET_OPT_INFO(node);
+ NODE_STRING_SET_AMBIG(node);
+ NODE_STRING_SET_DONT_GET_OPT_INFO(node);
*rnode = node;
return 0;
}
@@ -3386,7 +3781,7 @@ expand_case_fold_string(Node* node, regex_t* reg)
OnigCaseFoldCodeItem items[ONIGENC_GET_CASE_FOLD_CODES_MAX_NUM];
StrNode* sn = STR_(node);
- if (NSTRING_IS_AMBIG(node)) return 0;
+ if (NODE_STRING_IS_AMBIG(node)) return 0;
start = sn->s;
end = sn->end;
@@ -3529,10 +3924,8 @@ setup_comb_exp_check(Node* node, int state, ScanEnv* env)
switch (NODE_TYPE(node)) {
case NODE_LIST:
{
- Node* prev = NULL_NODE;
do {
r = setup_comb_exp_check(NODE_CAR(node), r, env);
- prev = NODE_CAR(node);
} while (r >= 0 && IS_NOT_NULL(node = NODE_CDR(node)));
}
break;
@@ -3619,8 +4012,8 @@ setup_comb_exp_check(Node* node, int state, ScanEnv* env)
switch (en->type) {
case ENCLOSURE_MEMORY:
{
- if (env->curr_max_regnum < en->regnum)
- env->curr_max_regnum = en->regnum;
+ if (env->curr_max_regnum < en->m.regnum)
+ env->curr_max_regnum = en->m.regnum;
r = setup_comb_exp_check(NODE_ENCLOSURE_BODY(en), state, env);
}
@@ -3633,7 +4026,7 @@ setup_comb_exp_check(Node* node, int state, ScanEnv* env)
}
break;
-#ifdef USE_SUBEXP_CALL
+#ifdef USE_CALL
case NODE_CALL:
if (NODE_IS_RECURSION(node))
env->has_recursion = 1;
@@ -3668,7 +4061,7 @@ quantifiers_memory_node_info(Node* node)
}
break;
-#ifdef USE_SUBEXP_CALL
+#ifdef USE_CALL
case NODE_CALL:
if (NODE_IS_RECURSION(node)) {
return QUANT_BODY_IS_EMPTY_REC; /* tiny version */
@@ -3702,17 +4095,32 @@ quantifiers_memory_node_info(Node* node)
case ENCLOSURE_STOP_BACKTRACK:
r = quantifiers_memory_node_info(NODE_BODY(node));
break;
+ case ENCLOSURE_IF_ELSE:
+ {
+ int v;
+ r = quantifiers_memory_node_info(NODE_BODY(node));
+ if (IS_NOT_NULL(en->te.Then)) {
+ v = quantifiers_memory_node_info(en->te.Then);
+ if (v > r) r = v;
+ }
+ if (IS_NOT_NULL(en->te.Else)) {
+ v = quantifiers_memory_node_info(en->te.Else);
+ if (v > r) r = v;
+ }
+ }
+ break;
default:
break;
}
}
break;
- case NODE_BREF:
- case NODE_STR:
+ case NODE_BACKREF:
+ case NODE_STRING:
case NODE_CTYPE:
case NODE_CCLASS:
case NODE_ANCHOR:
+ case NODE_GIMMICK:
default:
break;
}
@@ -3729,7 +4137,7 @@ quantifiers_memory_node_info(Node* node)
#define IN_ZERO_REPEAT (1<<4)
#define IN_MULTI_ENTRY (1<<5)
-#ifdef USE_SUBEXP_CALL
+#ifdef USE_CALL
#ifdef __GNUC__
__inline
@@ -3745,7 +4153,7 @@ setup_call_node_call(CallNode* cn, ScanEnv* env, int state)
#ifdef USE_NAMED_GROUP
if (env->num_named > 0 &&
IS_SYNTAX_BV(env->syntax, ONIG_SYN_CAPTURE_ONLY_NAMED_GROUP) &&
- !ONIG_IS_OPTION_ON(env->option, ONIG_OPTION_CAPTURE_GROUP)) {
+ !ONIG_IS_OPTION_ON(env->options, ONIG_OPTION_CAPTURE_GROUP)) {
return ONIGERR_NUMBERED_BACKREF_OR_CALL_NOT_ALLOWED;
}
#endif
@@ -3811,10 +4219,26 @@ setup_call2_call(Node* node)
break;
case NODE_ENCLOSURE:
- if (! NODE_IS_MARK1(node)) {
- NODE_STATUS_ADD(node, NST_MARK1);
- setup_call2_call(NODE_BODY(node));
- NODE_STATUS_REMOVE(node, NST_MARK1);
+ {
+ EnclosureNode* en = ENCLOSURE_(node);
+
+ if (en->type == ENCLOSURE_MEMORY) {
+ if (! NODE_IS_MARK1(node)) {
+ NODE_STATUS_ADD(node, NST_MARK1);
+ setup_call2_call(NODE_BODY(node));
+ NODE_STATUS_REMOVE(node, NST_MARK1);
+ }
+ }
+ else if (en->type == ENCLOSURE_IF_ELSE) {
+ setup_call2_call(NODE_BODY(node));
+ if (IS_NOT_NULL(en->te.Then))
+ setup_call2_call(en->te.Then);
+ if (IS_NOT_NULL(en->te.Else))
+ setup_call2_call(en->te.Else);
+ }
+ else {
+ setup_call2_call(NODE_BODY(node));
+ }
}
break;
@@ -3868,11 +4292,29 @@ setup_call(Node* node, ScanEnv* env, int state)
break;
case NODE_ENCLOSURE:
- if ((state & IN_ZERO_REPEAT) != 0) {
- NODE_STATUS_ADD(node, NST_IN_ZERO_REPEAT);
- ENCLOSURE_(node)->m.entry_count--;
+ {
+ EnclosureNode* en = ENCLOSURE_(node);
+
+ if (en->type == ENCLOSURE_MEMORY) {
+ if ((state & IN_ZERO_REPEAT) != 0) {
+ NODE_STATUS_ADD(node, NST_IN_ZERO_REPEAT);
+ ENCLOSURE_(node)->m.entry_count--;
+ }
+ r = setup_call(NODE_BODY(node), env, state);
+ }
+ else if (en->type == ENCLOSURE_IF_ELSE) {
+ r = setup_call(NODE_BODY(node), env, state);
+ if (r != 0) return r;
+ if (IS_NOT_NULL(en->te.Then)) {
+ r = setup_call(en->te.Then, env, state);
+ if (r != 0) return r;
+ }
+ if (IS_NOT_NULL(en->te.Else))
+ r = setup_call(en->te.Else, env, state);
+ }
+ else
+ r = setup_call(NODE_BODY(node), env, state);
}
- r = setup_call(NODE_BODY(node), env, state);
break;
case NODE_CALL:
@@ -3918,6 +4360,20 @@ setup_call2(Node* node)
case NODE_ENCLOSURE:
if (! NODE_IS_IN_ZERO_REPEAT(node))
r = setup_call2(NODE_BODY(node));
+
+ {
+ EnclosureNode* en = ENCLOSURE_(node);
+
+ if (r != 0) return r;
+ if (en->type == ENCLOSURE_IF_ELSE) {
+ if (IS_NOT_NULL(en->te.Then)) {
+ r = setup_call2(en->te.Then);
+ if (r != 0) return r;
+ }
+ if (IS_NOT_NULL(en->te.Else))
+ r = setup_call2(en->te.Else);
+ }
+ }
break;
case NODE_CALL:
@@ -3997,6 +4453,13 @@ setup_called_state_call(Node* node, int state)
NODE_STATUS_REMOVE(node, NST_MARK1);
}
}
+ else if (en->type == ENCLOSURE_IF_ELSE) {
+ if (IS_NOT_NULL(en->te.Then)) {
+ setup_called_state_call(en->te.Then, state);
+ }
+ if (IS_NOT_NULL(en->te.Else))
+ setup_called_state_call(en->te.Else, state);
+ }
else {
setup_called_state_call(NODE_BODY(node), state);
}
@@ -4025,7 +4488,7 @@ setup_called_state(Node* node, int state)
} while (IS_NOT_NULL(node = NODE_CDR(node)));
break;
-#ifdef USE_SUBEXP_CALL
+#ifdef USE_CALL
case NODE_CALL:
setup_called_state_call(node, state);
break;
@@ -4046,6 +4509,13 @@ setup_called_state(Node* node, int state)
case ENCLOSURE_STOP_BACKTRACK:
setup_called_state(NODE_BODY(node), state);
break;
+ case ENCLOSURE_IF_ELSE:
+ setup_called_state(NODE_BODY(node), state);
+ if (IS_NOT_NULL(en->te.Then))
+ setup_called_state(en->te.Then, state);
+ if (IS_NOT_NULL(en->te.Else))
+ setup_called_state(en->te.Else, state);
+ break;
}
}
break;
@@ -4082,16 +4552,17 @@ setup_called_state(Node* node, int state)
}
break;
- case NODE_BREF:
- case NODE_STR:
+ case NODE_BACKREF:
+ case NODE_STRING:
case NODE_CTYPE:
case NODE_CCLASS:
+ case NODE_GIMMICK:
default:
break;
}
}
-#endif /* USE_SUBEXP_CALL */
+#endif /* USE_CALL */
static int setup_tree(Node* node, regex_t* reg, int state, ScanEnv* env);
@@ -4104,8 +4575,9 @@ setup_anchor(Node* node, regex_t* reg, int state, ScanEnv* env)
{
/* allowed node types in look-behind */
#define ALLOWED_TYPE_IN_LB \
- ( BIT_NODE_LIST | BIT_NODE_ALT | BIT_NODE_STR | BIT_NODE_CCLASS | BIT_NODE_CTYPE \
- | BIT_NODE_ANCHOR | BIT_NODE_ENCLOSURE | BIT_NODE_QUANT | BIT_NODE_CALL )
+ ( BIT_NODE_LIST | BIT_NODE_ALT | BIT_NODE_STRING | BIT_NODE_CCLASS \
+ | BIT_NODE_CTYPE | BIT_NODE_ANCHOR | BIT_NODE_ENCLOSURE | BIT_NODE_QUANT \
+ | BIT_NODE_CALL )
#define ALLOWED_ENCLOSURE_IN_LB ( ENCLOSURE_MEMORY | ENCLOSURE_OPTION )
#define ALLOWED_ENCLOSURE_IN_LB_NOT ENCLOSURE_OPTION
@@ -4182,7 +4654,7 @@ setup_quant(Node* node, regex_t* reg, int state, ScanEnv* env)
}
if (IS_REPEAT_INFINITE(qn->upper) || qn->upper >= 1) {
- d = get_min_len(body, env);
+ d = tree_min_len(body, env);
if (d == 0) {
#ifdef USE_INSISTENT_CHECK_CAPTURES_STATUS_IN_ENDLESS_REPEAT
qn->body_empty_info = quantifiers_memory_node_info(body);
@@ -4208,10 +4680,10 @@ setup_quant(Node* node, regex_t* reg, int state, ScanEnv* env)
/* expand string */
#define EXPAND_STRING_MAX_LENGTH 100
- if (NODE_TYPE(body) == NODE_STR) {
+ if (NODE_TYPE(body) == NODE_STRING) {
if (!IS_REPEAT_INFINITE(qn->lower) && qn->lower == qn->upper &&
qn->lower > 1 && qn->lower <= EXPAND_STRING_MAX_LENGTH) {
- int len = NSTRING_LEN(body);
+ int len = NODE_STRING_LEN(body);
StrNode* sn = STR_(body);
if (len * qn->lower <= EXPAND_STRING_MAX_LENGTH) {
@@ -4278,17 +4750,17 @@ setup_tree(Node* node, regex_t* reg, int state, ScanEnv* env)
} while (r == 0 && IS_NOT_NULL(node = NODE_CDR(node)));
break;
- case NODE_STR:
- if (IS_IGNORECASE(reg->options) && !NSTRING_IS_RAW(node)) {
+ case NODE_STRING:
+ if (IS_IGNORECASE(reg->options) && !NODE_STRING_IS_RAW(node)) {
r = expand_case_fold_string(node, reg);
}
break;
- case NODE_BREF:
+ case NODE_BACKREF:
{
int i;
int* p;
- BRefNode* br = BREF_(node);
+ BackRefNode* br = BACKREF_(node);
p = BACKREFS_P(br);
for (i = 0; i < br->back_num; i++) {
if (p[i] > env->num_mem) return ONIGERR_INVALID_BACKREF;
@@ -4311,14 +4783,14 @@ setup_tree(Node* node, regex_t* reg, int state, ScanEnv* env)
case ENCLOSURE_OPTION:
{
OnigOptionType options = reg->options;
- reg->options = ENCLOSURE_(node)->o.option;
+ reg->options = ENCLOSURE_(node)->o.options;
r = setup_tree(NODE_BODY(node), reg, state, env);
reg->options = options;
}
break;
case ENCLOSURE_MEMORY:
-#ifdef USE_SUBEXP_CALL
+#ifdef USE_CALL
state |= en->m.called_state;
#endif
@@ -4343,6 +4815,17 @@ setup_tree(Node* node, regex_t* reg, int state, ScanEnv* env)
}
}
break;
+
+ case ENCLOSURE_IF_ELSE:
+ r = setup_tree(NODE_BODY(node), reg, (state | IN_ALT), env);
+ if (r != 0) return r;
+ if (IS_NOT_NULL(en->te.Then)) {
+ r = setup_tree(en->te.Then, reg, (state | IN_ALT), env);
+ if (r != 0) return r;
+ }
+ if (IS_NOT_NULL(en->te.Else))
+ r = setup_tree(en->te.Else, reg, (state | IN_ALT), env);
+ break;
}
}
break;
@@ -4355,11 +4838,12 @@ setup_tree(Node* node, regex_t* reg, int state, ScanEnv* env)
r = setup_anchor(node, reg, state, env);
break;
-#ifdef USE_SUBEXP_CALL
+#ifdef USE_CALL
case NODE_CALL:
#endif
case NODE_CTYPE:
case NODE_CCLASS:
+ case NODE_GIMMICK:
default:
break;
}
@@ -4487,7 +4971,7 @@ distance_value(MinMaxLen* mm)
OnigLen d;
- if (mm->max == ONIG_INFINITE_DISTANCE) return 0;
+ if (mm->max == INFINITE_LEN) return 0;
d = mm->max - mm->min;
if (d < (OnigLen )(sizeof(dist_vals)/sizeof(dist_vals[0])))
@@ -5048,15 +5532,15 @@ optimize_node_left(Node* node, NodeOptInfo* opt, OptEnv* env)
}
break;
- case NODE_STR:
+ case NODE_STRING:
{
StrNode* sn = STR_(node);
int slen = sn->end - sn->s;
- int is_raw = NSTRING_IS_RAW(node);
+ int is_raw = NODE_STRING_IS_RAW(node);
- if (! NSTRING_IS_AMBIG(node)) {
+ if (! NODE_STRING_IS_AMBIG(node)) {
concat_opt_exact_info_str(&opt->exb, sn->s, sn->end,
- NSTRING_IS_RAW(node), env->enc);
+ NODE_STRING_IS_RAW(node), env->enc);
if (slen > 0) {
add_char_opt_map_info(&opt->map, *(sn->s), env->enc);
}
@@ -5065,7 +5549,7 @@ optimize_node_left(Node* node, NodeOptInfo* opt, OptEnv* env)
else {
int max;
- if (NSTRING_IS_DONT_GET_OPT_INFO(node)) {
+ if (NODE_STRING_IS_DONT_GET_OPT_INFO(node)) {
int n = onigenc_strlen(env->enc, sn->s, sn->end);
max = ONIGENC_MBC_MAXLEN_DIST(env->enc) * n;
}
@@ -5191,24 +5675,24 @@ optimize_node_left(Node* node, NodeOptInfo* opt, OptEnv* env)
}
break;
- case NODE_BREF:
- {
+ case NODE_BACKREF:
+ if (! NODE_IS_CHECKER(node)) {
int i;
int* backs;
OnigLen min, max, tmin, tmax;
MemEnv* mem_env = SCANENV_MEMENV(env->scan_env);
- BRefNode* br = BREF_(node);
+ BackRefNode* br = BACKREF_(node);
if (NODE_IS_RECURSION(node)) {
- set_mml(&opt->len, 0, ONIG_INFINITE_DISTANCE);
+ set_mml(&opt->len, 0, INFINITE_LEN);
break;
}
backs = BACKREFS_P(br);
- min = get_min_len(mem_env[backs[0]].node, env->scan_env);
- max = get_max_len(mem_env[backs[0]].node, env->scan_env);
+ min = tree_min_len(mem_env[backs[0]].node, env->scan_env);
+ max = tree_max_len(mem_env[backs[0]].node, env->scan_env);
for (i = 1; i < br->back_num; i++) {
- tmin = get_min_len(mem_env[backs[i]].node, env->scan_env);
- tmax = get_max_len(mem_env[backs[i]].node, env->scan_env);
+ tmin = tree_min_len(mem_env[backs[i]].node, env->scan_env);
+ tmax = tree_max_len(mem_env[backs[i]].node, env->scan_env);
if (min > tmin) min = tmin;
if (max < tmax) max = tmax;
}
@@ -5216,13 +5700,13 @@ optimize_node_left(Node* node, NodeOptInfo* opt, OptEnv* env)
}
break;
-#ifdef USE_SUBEXP_CALL
+#ifdef USE_CALL
case NODE_CALL:
if (NODE_IS_RECURSION(node))
- set_mml(&opt->len, 0, ONIG_INFINITE_DISTANCE);
+ set_mml(&opt->len, 0, INFINITE_LEN);
else {
OnigOptionType save = env->options;
- env->options = ENCLOSURE_(NODE_BODY(node))->o.option;
+ env->options = ENCLOSURE_(NODE_BODY(node))->o.options;
r = optimize_node_left(NODE_BODY(node), opt, env);
env->options = save;
}
@@ -5242,7 +5726,7 @@ optimize_node_left(Node* node, NodeOptInfo* opt, OptEnv* env)
if (qn->lower == 0 && IS_REPEAT_INFINITE(qn->upper)) {
if (env->mmd.max == 0 &&
NODE_IS_ANYCHAR(NODE_BODY(node)) && qn->greedy != 0) {
- if (IS_MULTILINE(env->options))
+ if (IS_MULTILINE(CTYPE_OPTION(NODE_QUANT_BODY(qn), env)))
add_opt_anc_info(&opt->anc, ANCHOR_ANYCHAR_STAR_ML);
else
add_opt_anc_info(&opt->anc, ANCHOR_ANYCHAR_STAR);
@@ -5274,7 +5758,7 @@ optimize_node_left(Node* node, NodeOptInfo* opt, OptEnv* env)
min = distance_multiply(nopt.len.min, qn->lower);
if (IS_REPEAT_INFINITE(qn->upper))
- max = (nopt.len.max > 0 ? ONIG_INFINITE_DISTANCE : 0);
+ max = (nopt.len.max > 0 ? INFINITE_LEN : 0);
else
max = distance_multiply(nopt.len.max, qn->upper);
@@ -5291,20 +5775,20 @@ optimize_node_left(Node* node, NodeOptInfo* opt, OptEnv* env)
{
OnigOptionType save = env->options;
- env->options = en->o.option;
+ env->options = en->o.options;
r = optimize_node_left(NODE_BODY(node), opt, env);
env->options = save;
}
break;
case ENCLOSURE_MEMORY:
-#ifdef USE_SUBEXP_CALL
+#ifdef USE_CALL
en->opt_count++;
if (en->opt_count > MAX_NODE_OPT_INFO_REF_COUNT) {
OnigLen min, max;
min = 0;
- max = ONIG_INFINITE_DISTANCE;
+ max = INFINITE_LEN;
if (NODE_IS_MIN_FIXED(node)) min = en->min_len;
if (NODE_IS_MAX_FIXED(node)) max = en->max_len;
set_mml(&opt->len, min, max);
@@ -5324,10 +5808,39 @@ optimize_node_left(Node* node, NodeOptInfo* opt, OptEnv* env)
case ENCLOSURE_STOP_BACKTRACK:
r = optimize_node_left(NODE_BODY(node), opt, env);
break;
+
+ case ENCLOSURE_IF_ELSE:
+ {
+ OptEnv nenv;
+ NodeOptInfo nopt;
+
+ copy_opt_env(&nenv, env);
+ r = optimize_node_left(NODE_ENCLOSURE_BODY(en), &nopt, &nenv);
+ if (r == 0) {
+ add_mml(&nenv.mmd, &nopt.len);
+ concat_left_node_opt_info(env->enc, opt, &nopt);
+ if (IS_NOT_NULL(en->te.Then)) {
+ r = optimize_node_left(en->te.Then, &nopt, &nenv);
+ if (r == 0) {
+ concat_left_node_opt_info(env->enc, opt, &nopt);
+ }
+ }
+
+ if (IS_NOT_NULL(en->te.Else)) {
+ r = optimize_node_left(en->te.Else, &nopt, env);
+ if (r == 0)
+ alt_merge_node_opt_info(opt, &nopt, env);
+ }
+ }
+ }
+ break;
}
}
break;
+ case NODE_GIMMICK:
+ break;
+
default:
#ifdef ONIG_DEBUG
fprintf(stderr, "optimize_node_left: undefined node type %d\n", NODE_TYPE(node));
@@ -5379,7 +5892,7 @@ set_optimize_exact_info(regex_t* reg, OptExactInfo* e)
reg->dmin = e->mmd.min;
reg->dmax = e->mmd.max;
- if (reg->dmin != ONIG_INFINITE_DISTANCE) {
+ if (reg->dmin != INFINITE_LEN) {
reg->threshold_len = reg->dmin + (reg->exact_end - reg->exact);
}
@@ -5398,7 +5911,7 @@ set_optimize_map_info(regex_t* reg, OptMapInfo* m)
reg->dmin = m->mmd.min;
reg->dmax = m->mmd.max;
- if (reg->dmin != ONIG_INFINITE_DISTANCE) {
+ if (reg->dmin != INFINITE_LEN) {
reg->threshold_len = reg->dmin + 1;
}
}
@@ -5531,14 +6044,14 @@ static void print_enc_string(FILE* fp, OnigEncoding enc,
static void
print_distance_range(FILE* f, OnigLen a, OnigLen b)
{
- if (a == ONIG_INFINITE_DISTANCE)
+ if (a == INFINITE_LEN)
fputs("inf", f);
else
fprintf(f, "(%u)", a);
fputs("-", f);
- if (b == ONIG_INFINITE_DISTANCE)
+ if (b == INFINITE_LEN)
fputs("inf", f);
else
fprintf(f, "(%u)", b);
@@ -5656,7 +6169,7 @@ onig_free_body(regex_t* reg)
if (IS_NOT_NULL(reg->int_map)) xfree(reg->int_map);
if (IS_NOT_NULL(reg->int_map_backward)) xfree(reg->int_map_backward);
if (IS_NOT_NULL(reg->repeat_range)) xfree(reg->repeat_range);
- if (IS_NOT_NULL(reg->chain)) onig_free(reg->chain);
+ if (IS_NOT_NULL(REG_EXTP(reg))) xfree(REG_EXTP(reg));
#ifdef USE_NAMED_GROUP
onig_names_free(reg);
@@ -5702,7 +6215,7 @@ onig_compile(regex_t* reg, const UChar* pattern, const UChar* pattern_end,
int r, init_size;
Node* root;
ScanEnv scan_env;
-#ifdef USE_SUBEXP_CALL
+#ifdef USE_CALL
UnsetAddrList uslist;
#endif
@@ -5751,7 +6264,7 @@ onig_compile(regex_t* reg, const UChar* pattern, const UChar* pattern_end,
r = check_backrefs(root, &scan_env);
if (r != 0) goto err;
-#ifdef USE_SUBEXP_CALL
+#ifdef USE_CALL
if (scan_env.num_call > 0) {
r = unset_addr_list_init(&uslist, scan_env.num_call);
if (r != 0) goto err;
@@ -5791,12 +6304,12 @@ onig_compile(regex_t* reg, const UChar* pattern, const UChar* pattern_end,
#ifdef USE_COMBINATION_EXPLOSION_CHECK
if (scan_env.backrefed_mem == 0
-#ifdef USE_SUBEXP_CALL
+#ifdef USE_CALL
|| scan_env.num_call == 0
#endif
) {
setup_comb_exp_check(root, 0, &scan_env);
-#ifdef USE_SUBEXP_CALL
+#ifdef USE_CALL
if (scan_env.has_recursion != 0) {
scan_env.num_comb_exp_check = 0;
}
@@ -5829,8 +6342,17 @@ onig_compile(regex_t* reg, const UChar* pattern, const UChar* pattern_end,
r = compile_tree(root, reg, &scan_env);
if (r == 0) {
+ if (scan_env.keep_num > 0) {
+ r = add_opcode(reg, OP_UPDATE_VAR);
+ if (r != 0) goto err;
+ r = add_update_var_type(reg, UPDATE_VAR_KEEP_FROM_STACK_LAST);
+ if (r != 0) goto err;
+ r = add_mem_num(reg, 0 /* not used */);
+ if (r != 0) goto err;
+ }
+
r = add_opcode(reg, OP_END);
-#ifdef USE_SUBEXP_CALL
+#ifdef USE_CALL
if (scan_env.num_call > 0) {
r = unset_addr_list_fix(&uslist, reg);
unset_addr_list_end(&uslist);
@@ -5847,7 +6369,7 @@ onig_compile(regex_t* reg, const UChar* pattern, const UChar* pattern_end,
reg->stack_pop_level = STACK_POP_LEVEL_FREE;
}
}
-#ifdef USE_SUBEXP_CALL
+#ifdef USE_CALL
else if (scan_env.num_call > 0) {
unset_addr_list_end(&uslist);
}
@@ -5865,7 +6387,7 @@ onig_compile(regex_t* reg, const UChar* pattern, const UChar* pattern_end,
return r;
err_unset:
-#ifdef USE_SUBEXP_CALL
+#ifdef USE_CALL
if (scan_env.num_call > 0) {
unset_addr_list_end(&uslist);
}
@@ -5890,8 +6412,8 @@ static int onig_inited = 0;
extern int
onig_reg_init(regex_t* reg, OnigOptionType option,
- OnigCaseFoldType case_fold_flag,
- OnigEncoding enc, OnigSyntaxType* syntax)
+ OnigCaseFoldType case_fold_flag,
+ OnigEncoding enc, OnigSyntaxType* syntax)
{
int r;
@@ -5938,7 +6460,7 @@ onig_reg_init(regex_t* reg, OnigOptionType option,
(reg)->exact = (UChar* )NULL;
(reg)->int_map = (int* )NULL;
(reg)->int_map_backward = (int* )NULL;
- (reg)->chain = (regex_t* )NULL;
+ REG_EXTPL(reg) = NULL;
(reg)->p = (UChar* )NULL;
(reg)->alloc = 0;
@@ -6165,11 +6687,13 @@ OnigOpInfoType OnigOpInfo[] = {
{ OP_BEGIN_POSITION, "begin-position", ARG_NON },
{ OP_BACKREF1, "backref1", ARG_NON },
{ OP_BACKREF2, "backref2", ARG_NON },
- { OP_BACKREFN, "backrefn", ARG_MEMNUM },
- { OP_BACKREFN_IC, "backrefn-ic", ARG_SPECIAL },
+ { OP_BACKREF_N, "backref-n", ARG_MEMNUM },
+ { OP_BACKREF_N_IC, "backref-n-ic", ARG_SPECIAL },
{ OP_BACKREF_MULTI, "backref_multi", ARG_SPECIAL },
{ OP_BACKREF_MULTI_IC, "backref_multi-ic", ARG_SPECIAL },
- { OP_BACKREF_WITH_LEVEL, "backref_at_level", ARG_SPECIAL },
+ { OP_BACKREF_WITH_LEVEL, "backref_with_level", ARG_SPECIAL },
+ { OP_BACKREF_CHECK, "backref_check", ARG_SPECIAL },
+ { OP_BACKREF_CHECK_WITH_LEVEL, "backref_check_with_level", ARG_SPECIAL },
{ OP_MEMORY_START_PUSH, "mem-start-push", ARG_MEMNUM },
{ OP_MEMORY_START, "mem-start", ARG_MEMNUM },
{ OP_MEMORY_END_PUSH, "mem-end-push", ARG_MEMNUM },
@@ -6181,6 +6705,7 @@ OnigOpInfoType OnigOpInfo[] = {
{ OP_FAIL, "fail", ARG_NON },
{ OP_JUMP, "jump", ARG_RELADDR },
{ OP_PUSH, "push", ARG_RELADDR },
+ { OP_PUSH_SUPER, "push_SUPER", ARG_RELADDR },
{ OP_POP, "pop", ARG_NON },
{ OP_PUSH_OR_JUMP_EXACT1, "push-or-jump-e1", ARG_SPECIAL },
{ OP_PUSH_IF_PEEK_NEXT, "push-if-peek-next", ARG_SPECIAL },
@@ -6194,10 +6719,10 @@ OnigOpInfoType OnigOpInfo[] = {
{ OP_EMPTY_CHECK_END, "empty-check-end", ARG_MEMNUM },
{ OP_EMPTY_CHECK_END_MEMST,"empty-check-end-memst", ARG_MEMNUM },
{ OP_EMPTY_CHECK_END_MEMST_PUSH,"empty-check-end-memst-push", ARG_MEMNUM },
- { OP_PUSH_POS, "push-pos", ARG_NON },
- { OP_POP_POS, "pop-pos", ARG_NON },
- { OP_PUSH_POS_NOT, "push-pos-not", ARG_RELADDR },
- { OP_FAIL_POS, "fail-pos", ARG_NON },
+ { OP_PREC_READ_START, "push-pos", ARG_NON },
+ { OP_PREC_READ_END, "pop-pos", ARG_NON },
+ { OP_PUSH_PREC_READ_NOT, "push-prec-read-not", ARG_RELADDR },
+ { OP_FAIL_PREC_READ_NOT, "fail-prec-read-not", ARG_NON },
{ OP_PUSH_STOP_BT, "push-stop-bt", ARG_NON },
{ OP_POP_STOP_BT, "pop-stop-bt", ARG_NON },
{ OP_LOOK_BEHIND, "look-behind", ARG_SPECIAL },
@@ -6205,6 +6730,8 @@ OnigOpInfoType OnigOpInfo[] = {
{ OP_FAIL_LOOK_BEHIND_NOT, "fail-look-behind-not", ARG_NON },
{ OP_CALL, "call", ARG_ABSADDR },
{ OP_RETURN, "return", ARG_NON },
+ { OP_PUSH_SAVE_VAL, "push-save-val", ARG_SPECIAL },
+ { OP_UPDATE_VAR, "update-var", ARG_SPECIAL },
{ OP_STATE_CHECK_PUSH, "state-check-push", ARG_SPECIAL },
{ OP_STATE_CHECK_PUSH_OR_JUMP, "state-check-push-or-jump", ARG_SPECIAL },
{ OP_STATE_CHECK, "state-check", ARG_STATE_CHECK },
@@ -6272,6 +6799,7 @@ onig_print_compiled_byte_code(FILE* f, UChar* bp, UChar** nextp, UChar* start,
MemNumType mem;
StateCheckNumType scn;
OnigCodePoint code;
+ OnigOptionType option;
UChar *q;
fprintf(f, "%s", op2name(*bp));
@@ -6421,7 +6949,7 @@ onig_print_compiled_byte_code(FILE* f, UChar* bp, UChar** nextp, UChar* start,
}
break;
- case OP_BACKREFN_IC:
+ case OP_BACKREF_N_IC:
mem = *((MemNumType* )bp);
bp += SIZE_MEMNUM;
fprintf(f, ":%d", mem);
@@ -6429,6 +6957,7 @@ onig_print_compiled_byte_code(FILE* f, UChar* bp, UChar** nextp, UChar* start,
case OP_BACKREF_MULTI_IC:
case OP_BACKREF_MULTI:
+ case OP_BACKREF_CHECK:
fputs(" ", f);
GET_LENGTH_INC(len, bp);
for (i = 0; i < len; i++) {
@@ -6439,12 +6968,13 @@ onig_print_compiled_byte_code(FILE* f, UChar* bp, UChar** nextp, UChar* start,
break;
case OP_BACKREF_WITH_LEVEL:
+ GET_OPTION_INC(option, bp);
+ fprintf(f, ":%d", option);
+ /* fall */
+ case OP_BACKREF_CHECK_WITH_LEVEL:
{
- OnigOptionType option;
LengthType level;
- GET_OPTION_INC(option, bp);
- fprintf(f, ":%d", option);
GET_LENGTH_INC(level, bp);
fprintf(f, ":%d", level);
@@ -6501,6 +7031,24 @@ onig_print_compiled_byte_code(FILE* f, UChar* bp, UChar** nextp, UChar* start,
p_rel_addr(f, addr, bp, start);
break;
+ case OP_PUSH_SAVE_VAL:
+ {
+ SaveType type;
+ GET_SAVE_TYPE_INC(type, bp);
+ GET_MEMNUM_INC(mem, bp);
+ fprintf(f, ":%d:%d", type, mem);
+ }
+ break;
+
+ case OP_UPDATE_VAR:
+ {
+ UpdateVarType type;
+ GET_UPDATE_VAR_TYPE_INC(type, bp);
+ GET_MEMNUM_INC(mem, bp);
+ fprintf(f, ":%d:%d", type, mem);
+ }
+ break;
+
default:
fprintf(stderr, "onig_print_compiled_byte_code: undefined code %d\n",
*--bp);
@@ -6576,9 +7124,9 @@ print_indent_tree(FILE* f, Node* node, int indent)
}
break;
- case NODE_STR:
+ case NODE_STRING:
fprintf(f, "<string%s:%p>",
- (NSTRING_IS_RAW(node) ? "-raw" : ""), node);
+ (NODE_STRING_IS_RAW(node) ? "-raw" : ""), node);
for (p = STR_(node)->s; p < STR_(node)->end; p++) {
if (*p >= 0x20 && *p < 0x7f)
fputc(*p, f);
@@ -6659,12 +7207,12 @@ print_indent_tree(FILE* f, Node* node, int indent)
}
break;
- case NODE_BREF:
+ case NODE_BACKREF:
{
int* p;
- BRefNode* br = BREF_(node);
+ BackRefNode* br = BACKREF_(node);
p = BACKREFS_P(br);
- fprintf(f, "<backref:%p>", node);
+ fprintf(f, "<backref%s:%p>", NODE_IS_CHECKER(node) ? "-checker" : "", node);
for (i = 0; i < br->back_num; i++) {
if (i > 0) fputs(", ", f);
fprintf(f, "%d", p[i]);
@@ -6672,7 +7220,7 @@ print_indent_tree(FILE* f, Node* node, int indent)
}
break;
-#ifdef USE_SUBEXP_CALL
+#ifdef USE_CALL
case NODE_CALL:
{
CallNode* cn = CALL_(node);
@@ -6693,10 +7241,10 @@ print_indent_tree(FILE* f, Node* node, int indent)
fprintf(f, "<enclosure:%p> ", node);
switch (ENCLOSURE_(node)->type) {
case ENCLOSURE_OPTION:
- fprintf(f, "option:%d", ENCLOSURE_(node)->option);
+ fprintf(f, "option:%d", ENCLOSURE_(node)->o.options);
break;
case ENCLOSURE_MEMORY:
- fprintf(f, "memory:%d", ENCLOSURE_(node)->regnum);
+ fprintf(f, "memory:%d", ENCLOSURE_(node)->m.regnum);
break;
case ENCLOSURE_STOP_BACKTRACK:
fprintf(f, "stop-bt");
@@ -6709,6 +7257,24 @@ print_indent_tree(FILE* f, Node* node, int indent)
print_indent_tree(f, NODE_BODY(node), indent + add);
break;
+ case NODE_GIMMICK:
+ fprintf(f, "<gimmick:%p> ", node);
+ switch (GIMMICK_(node)->type) {
+ case GIMMICK_FAIL:
+ fprintf(f, "fail");
+ break;
+ case GIMMICK_KEEP:
+ fprintf(f, "keep:%d", GIMMICK_(node)->id);
+ break;
+ case GIMMICK_SAVE:
+ fprintf(f, "save:%d:%d", GIMMICK_(node)->detail_type, GIMMICK_(node)->id);
+ break;
+ case GIMMICK_UPDATE_VAR:
+ fprintf(f, "update_var:%d:%d", GIMMICK_(node)->detail_type, GIMMICK_(node)->id);
+ break;
+ }
+ break;
+
default:
fprintf(f, "print_indent_tree: undefined node type %d\n", NODE_TYPE(node));
break;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 22:50:22 +0000