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-rw-r--r--src/regexec.c487
1 files changed, 379 insertions, 108 deletions
diff --git a/src/regexec.c b/src/regexec.c
index f66da1f..e7dfb96 100644
--- a/src/regexec.c
+++ b/src/regexec.c
@@ -305,32 +305,85 @@ onig_region_copy(OnigRegion* to, OnigRegion* from)
/** stack **/
#define INVALID_STACK_INDEX -1
+#define STK_ALT_FLAG 0x0001
+
/* stack type */
/* used by normal-POP */
-#define STK_ALT 0x0001
-#define STK_LOOK_BEHIND_NOT 0x0002
-#define STK_POS_NOT 0x0003
+#define STK_SUPER_ALT STK_ALT_FLAG
+#define STK_ALT (0x0002 | STK_ALT_FLAG)
+#define STK_ALT_PREC_READ_NOT (0x0004 | STK_ALT_FLAG)
+#define STK_ALT_LOOK_BEHIND_NOT (0x0006 | STK_ALT_FLAG)
/* handled by normal-POP */
#define STK_MEM_START 0x0100
#define STK_MEM_END 0x8200
#define STK_REPEAT_INC 0x0300
#define STK_STATE_CHECK_MARK 0x1000
/* avoided by normal-POP */
+#define STK_VOID 0x0000 /* for fill a blank */
#define STK_EMPTY_CHECK_START 0x3000
#define STK_EMPTY_CHECK_END 0x5000 /* for recursive call */
#define STK_MEM_END_MARK 0x8400
#define STK_POS 0x0500 /* used when POP-POS */
-#define STK_STOP_BT 0x0600 /* mark for "(?>...)" */
+#define STK_STOP_BACKTRACK 0x0600 /* mark for "(?>...)" */
#define STK_REPEAT 0x0700
#define STK_CALL_FRAME 0x0800
#define STK_RETURN 0x0900
-#define STK_VOID 0x0a00 /* for fill a blank */
+#define STK_SAVE_VAL 0x0a00
/* stack type check mask */
-#define STK_MASK_POP_USED 0x00ff
-#define STK_MASK_TO_VOID_TARGET 0x10ff
+#define STK_MASK_POP_USED STK_ALT_FLAG
+#define STK_MASK_TO_VOID_TARGET 0x10fe
#define STK_MASK_MEM_END_OR_MARK 0x8000 /* MEM_END or MEM_END_MARK */
+typedef intptr_t StackIndex;
+
+typedef struct _StackType {
+ unsigned int type;
+ union {
+ struct {
+ UChar *pcode; /* byte code position */
+ UChar *pstr; /* string position */
+ UChar *pstr_prev; /* previous char position of pstr */
+#ifdef USE_COMBINATION_EXPLOSION_CHECK
+ unsigned int state_check;
+#endif
+ } state;
+ struct {
+ int count; /* for OP_REPEAT_INC, OP_REPEAT_INC_NG */
+ UChar *pcode; /* byte code position (head of repeated target) */
+ int num; /* repeat id */
+ } repeat;
+ struct {
+ StackIndex si; /* index of stack */
+ } repeat_inc;
+ struct {
+ int num; /* memory num */
+ UChar *pstr; /* start/end position */
+ /* Following information is set, if this stack type is MEM-START */
+ StackIndex start; /* prev. info (for backtrack "(...)*" ) */
+ StackIndex end; /* prev. info (for backtrack "(...)*" ) */
+ } mem;
+ struct {
+ int num; /* null check id */
+ UChar *pstr; /* start position */
+ } empty_check;
+#ifdef USE_CALL
+ struct {
+ UChar *ret_addr; /* byte code position */
+ int num; /* null check id */
+ UChar *pstr; /* string position */
+ } call_frame;
+#endif
+ struct {
+ int id;
+ enum SaveType type;
+ UChar* v;
+ UChar* v2;
+ } val;
+ } u;
+} StackType;
+
+
#ifdef USE_FIND_LONGEST_SEARCH_ALL_OF_RANGE
#define MATCH_ARG_INIT(msa, reg, arg_option, arg_region, arg_start) do {\
(msa).stack_p = (void* )0;\
@@ -396,28 +449,28 @@ onig_region_copy(OnigRegion* to, OnigRegion* from)
if (msa->stack_p) {\
is_alloca = 0;\
alloc_base = msa->stack_p;\
- stk_base = (OnigStackType* )(alloc_base\
- + (sizeof(OnigStackIndex) * msa->ptr_num));\
+ stk_base = (StackType* )(alloc_base\
+ + (sizeof(StackIndex) * msa->ptr_num));\
stk = stk_base;\
stk_end = stk_base + msa->stack_n;\
}\
else if (msa->ptr_num > ALLOCA_PTR_NUM_LIMIT) {\
is_alloca = 0;\
- alloc_base = (char* )xmalloc(sizeof(OnigStackIndex) * msa->ptr_num\
- + sizeof(OnigStackType) * (stack_num));\
+ alloc_base = (char* )xmalloc(sizeof(StackIndex) * msa->ptr_num\
+ + sizeof(StackType) * (stack_num));\
CHECK_NULL_RETURN_MEMERR(alloc_base);\
- stk_base = (OnigStackType* )(alloc_base\
- + (sizeof(OnigStackIndex) * msa->ptr_num));\
+ stk_base = (StackType* )(alloc_base\
+ + (sizeof(StackIndex) * msa->ptr_num));\
stk = stk_base;\
stk_end = stk_base + (stack_num);\
}\
else {\
is_alloca = 1;\
- alloc_base = (char* )xalloca(sizeof(OnigStackIndex) * msa->ptr_num\
- + sizeof(OnigStackType) * (stack_num));\
+ alloc_base = (char* )xalloca(sizeof(StackIndex) * msa->ptr_num\
+ + sizeof(StackType) * (stack_num));\
CHECK_NULL_RETURN_MEMERR(alloc_base);\
- stk_base = (OnigStackType* )(alloc_base\
- + (sizeof(OnigStackIndex) * msa->ptr_num));\
+ stk_base = (StackType* )(alloc_base\
+ + (sizeof(StackIndex) * msa->ptr_num));\
stk = stk_base;\
stk_end = stk_base + (stack_num);\
}\
@@ -427,8 +480,8 @@ onig_region_copy(OnigRegion* to, OnigRegion* from)
#define STACK_SAVE do{\
msa->stack_n = stk_end - stk_base;\
if (is_alloca != 0) {\
- size_t size = sizeof(OnigStackIndex) * msa->ptr_num \
- + sizeof(OnigStackType) * msa->stack_n;\
+ size_t size = sizeof(StackIndex) * msa->ptr_num \
+ + sizeof(StackType) * msa->stack_n;\
msa->stack_p = xmalloc(size);\
CHECK_NULL_RETURN_MEMERR(msa->stack_p);\
xmemcpy(msa->stack_p, alloc_base, size);\
@@ -439,8 +492,8 @@ onig_region_copy(OnigRegion* to, OnigRegion* from)
} while(0)
#define UPDATE_FOR_STACK_REALLOC do{\
- repeat_stk = (OnigStackIndex* )alloc_base;\
- mem_start_stk = (OnigStackIndex* )(repeat_stk + reg->num_repeat);\
+ repeat_stk = (StackIndex* )alloc_base;\
+ mem_start_stk = (StackIndex* )(repeat_stk + reg->num_repeat);\
mem_end_stk = mem_start_stk + num_mem + 1;\
} while(0)
@@ -461,8 +514,8 @@ onig_set_match_stack_limit_size(unsigned int size)
static int
stack_double(int is_alloca, char** arg_alloc_base,
- OnigStackType** arg_stk_base,
- OnigStackType** arg_stk_end, OnigStackType** arg_stk,
+ StackType** arg_stk_base,
+ StackType** arg_stk_end, StackType** arg_stk,
OnigMatchArg* msa)
{
unsigned int n;
@@ -471,7 +524,7 @@ stack_double(int is_alloca, char** arg_alloc_base,
size_t new_size;
char* alloc_base;
char* new_alloc_base;
- OnigStackType *stk_base, *stk_end, *stk;
+ StackType *stk_base, *stk_end, *stk;
alloc_base = *arg_alloc_base;
stk_base = *arg_stk_base;
@@ -479,9 +532,9 @@ stack_double(int is_alloca, char** arg_alloc_base,
stk = *arg_stk;
n = stk_end - stk_base;
- size = sizeof(OnigStackIndex) * msa->ptr_num + sizeof(OnigStackType) * n;
+ size = sizeof(StackIndex) * msa->ptr_num + sizeof(StackType) * n;
n *= 2;
- new_size = sizeof(OnigStackIndex) * msa->ptr_num + sizeof(OnigStackType) * n;
+ new_size = sizeof(StackIndex) * msa->ptr_num + sizeof(StackType) * n;
if (is_alloca != 0) {
new_alloc_base = (char* )xmalloc(new_size);
if (IS_NULL(new_alloc_base)) {
@@ -507,8 +560,8 @@ stack_double(int is_alloca, char** arg_alloc_base,
alloc_base = new_alloc_base;
used = stk - stk_base;
*arg_alloc_base = alloc_base;
- *arg_stk_base = (OnigStackType* )(alloc_base
- + (sizeof(OnigStackIndex) * msa->ptr_num));
+ *arg_stk_base = (StackType* )(alloc_base
+ + (sizeof(StackIndex) * msa->ptr_num));
*arg_stk = *arg_stk_base + used;
*arg_stk_end = *arg_stk_base + n;
return 0;
@@ -516,8 +569,7 @@ stack_double(int is_alloca, char** arg_alloc_base,
#define STACK_ENSURE(n) do {\
if (stk_end - stk < (n)) {\
- int r = stack_double(is_alloca, &alloc_base, &stk_base, &stk_end, &stk,\
- msa);\
+ int r = stack_double(is_alloca, &alloc_base, &stk_base, &stk_end, &stk, msa);\
if (r != 0) { STACK_SAVE; return r; } \
is_alloca = 0;\
UPDATE_FOR_STACK_REALLOC;\
@@ -610,12 +662,14 @@ stack_double(int is_alloca, char** arg_alloc_base,
} while(0)
#endif /* USE_COMBINATION_EXPLOSION_CHECK */
-#define STACK_PUSH_ALT(pat,s,sprev) STACK_PUSH(STK_ALT,pat,s,sprev)
+#define STACK_PUSH_ALT(pat,s,sprev) STACK_PUSH(STK_ALT,pat,s,sprev)
+#define STACK_PUSH_SUPER_ALT(pat,s,sprev) STACK_PUSH(STK_SUPER_ALT,pat,s,sprev)
#define STACK_PUSH_POS(s,sprev) STACK_PUSH(STK_POS,NULL_UCHARP,s,sprev)
-#define STACK_PUSH_POS_NOT(pat,s,sprev) STACK_PUSH(STK_POS_NOT,pat,s,sprev)
-#define STACK_PUSH_STOP_BT STACK_PUSH_TYPE(STK_STOP_BT)
-#define STACK_PUSH_LOOK_BEHIND_NOT(pat,s,sprev) \
- STACK_PUSH(STK_LOOK_BEHIND_NOT,pat,s,sprev)
+#define STACK_PUSH_ALT_PREC_READ_NOT(pat,s,sprev) \
+ STACK_PUSH(STK_ALT_PREC_READ_NOT,pat,s,sprev)
+#define STACK_PUSH_STOP_BACKTRACK STACK_PUSH_TYPE(STK_STOP_BACKTRACK)
+#define STACK_PUSH_ALT_LOOK_BEHIND_NOT(pat,s,sprev) \
+ STACK_PUSH(STK_ALT_LOOK_BEHIND_NOT,pat,s,sprev)
#define STACK_PUSH_REPEAT(id, pat) do {\
STACK_ENSURE(1);\
@@ -725,6 +779,97 @@ stack_double(int is_alloca, char** arg_alloc_base,
STACK_INC;\
} while(0)
+#define STACK_PUSH_SAVE_VAL(sid, stype, sval) do {\
+ STACK_ENSURE(1);\
+ stk->type = STK_SAVE_VAL;\
+ stk->u.val.id = (sid);\
+ stk->u.val.type = (stype);\
+ stk->u.val.v = (UChar* )(sval);\
+ STACK_INC;\
+} while(0)
+
+#define STACK_PUSH_SAVE_VAL_WITH_SPREV(sid, stype, sval) do {\
+ STACK_ENSURE(1);\
+ stk->type = STK_SAVE_VAL;\
+ stk->u.val.id = (sid);\
+ stk->u.val.type = (stype);\
+ stk->u.val.v = (UChar* )(sval);\
+ stk->u.val.v2 = sprev;\
+ STACK_INC;\
+} while(0)
+
+#define STACK_GET_SAVE_VAL_TYPE_LAST(stype, sval) do {\
+ StackType *k = stk;\
+ while (k > stk_base) {\
+ k--;\
+ STACK_BASE_CHECK(k, "STACK_GET_SAVE_VAL_TYPE_LAST"); \
+ if (k->type == STK_SAVE_VAL && k->u.val.type == (stype)) {\
+ (sval) = k->u.val.v;\
+ break;\
+ }\
+ }\
+} while (0)
+
+#define STACK_GET_SAVE_VAL_TYPE_LAST_ID(stype, sid, sval) do { \
+ int level = 0;\
+ StackType *k = stk;\
+ while (k > stk_base) {\
+ k--;\
+ STACK_BASE_CHECK(k, "STACK_GET_SAVE_VAL_TYPE_LAST_ID"); \
+ if (k->type == STK_SAVE_VAL && k->u.val.type == (stype)\
+ && k->u.val.id == (sid)) {\
+ if (level == 0) {\
+ (sval) = k->u.val.v;\
+ break;\
+ }\
+ }\
+ else if (k->type == STK_CALL_FRAME)\
+ level--;\
+ else if (k->type == STK_RETURN)\
+ level++;\
+ }\
+} while (0)
+
+#define STACK_GET_SAVE_VAL_TYPE_LAST_ID_WITH_SPREV(stype, sid, sval) do { \
+ int level = 0;\
+ StackType *k = stk;\
+ while (k > stk_base) {\
+ k--;\
+ STACK_BASE_CHECK(k, "STACK_GET_SAVE_VAL_TYPE_LAST_ID"); \
+ if (k->type == STK_SAVE_VAL && k->u.val.type == (stype)\
+ && k->u.val.id == (sid)) {\
+ if (level == 0) {\
+ (sval) = k->u.val.v;\
+ sprev = k->u.val.v2;\
+ break;\
+ }\
+ }\
+ else if (k->type == STK_CALL_FRAME)\
+ level--;\
+ else if (k->type == STK_RETURN)\
+ level++;\
+ }\
+} while (0)
+
+#define STACK_GET_SAVE_VAL_TYPE_LAST_ID_FROM(stype, sid, sval, stk_from) do { \
+ int level = 0;\
+ StackType *k = (stk_from);\
+ while (k > stk_base) {\
+ STACK_BASE_CHECK(k, "STACK_GET_SAVE_VAL_TYPE_LAST_ID_FROM"); \
+ if (k->type == STK_SAVE_VAL && k->u.val.type == (stype)\
+ && k->u.val.id == (sid)) {\
+ if (level == 0) {\
+ (sval) = k->u.val.v;\
+ break;\
+ }\
+ }\
+ else if (k->type == STK_CALL_FRAME)\
+ level--;\
+ else if (k->type == STK_RETURN)\
+ level++;\
+ k--;\
+ }\
+} while (0)
#ifdef ONIG_DEBUG
#define STACK_BASE_CHECK(p, at) \
@@ -785,11 +930,11 @@ stack_double(int is_alloca, char** arg_alloc_base,
}\
} while(0)
-#define STACK_POP_TIL_POS_NOT do {\
+#define STACK_POP_TIL_ALT_PREC_READ_NOT do {\
while (1) {\
stk--;\
- STACK_BASE_CHECK(stk, "STACK_POP_TIL_POS_NOT"); \
- if (stk->type == STK_POS_NOT) break;\
+ STACK_BASE_CHECK(stk, "STACK_POP_TIL_ALT_PREC_READ_NOT"); \
+ if (stk->type == STK_ALT_PREC_READ_NOT) break;\
else if (stk->type == STK_MEM_START) {\
mem_start_stk[stk->u.mem.num] = stk->u.mem.start;\
mem_end_stk[stk->u.mem.num] = stk->u.mem.end;\
@@ -805,11 +950,11 @@ stack_double(int is_alloca, char** arg_alloc_base,
}\
} while(0)
-#define STACK_POP_TIL_LOOK_BEHIND_NOT do {\
+#define STACK_POP_TIL_ALT_LOOK_BEHIND_NOT do {\
while (1) {\
stk--;\
- STACK_BASE_CHECK(stk, "STACK_POP_TIL_LOOK_BEHIND_NOT"); \
- if (stk->type == STK_LOOK_BEHIND_NOT) break;\
+ STACK_BASE_CHECK(stk, "STACK_POP_TIL_ALT_LOOK_BEHIND_NOT"); \
+ if (stk->type == STK_ALT_LOOK_BEHIND_NOT) break;\
else if (stk->type == STK_MEM_START) {\
mem_start_stk[stk->u.mem.num] = stk->u.mem.start;\
mem_end_stk[stk->u.mem.num] = stk->u.mem.end;\
@@ -840,15 +985,15 @@ stack_double(int is_alloca, char** arg_alloc_base,
}\
} while(0)
-#define STACK_STOP_BT_END do {\
- OnigStackType *k = stk;\
+#define STACK_STOP_BACKTRACK_END do {\
+ StackType *k = stk;\
while (1) {\
k--;\
- STACK_BASE_CHECK(k, "STACK_STOP_BT_END"); \
+ STACK_BASE_CHECK(k, "STACK_STOP_BACKTRACK_END"); \
if (IS_TO_VOID_TARGET(k)) {\
k->type = STK_VOID;\
}\
- else if (k->type == STK_STOP_BT) {\
+ else if (k->type == STK_STOP_BACKTRACK) {\
k->type = STK_VOID;\
break;\
}\
@@ -856,7 +1001,7 @@ stack_double(int is_alloca, char** arg_alloc_base,
} while(0)
#define STACK_EMPTY_CHECK(isnull,id,s) do {\
- OnigStackType* k = stk;\
+ StackType* k = stk;\
while (1) {\
k--;\
STACK_BASE_CHECK(k, "STACK_EMPTY_CHECK"); \
@@ -871,7 +1016,7 @@ stack_double(int is_alloca, char** arg_alloc_base,
#ifdef USE_INSISTENT_CHECK_CAPTURES_STATUS_IN_ENDLESS_REPEAT
#define STACK_EMPTY_CHECK_MEMST(isnull,id,s,reg) do {\
- OnigStackType* k = stk;\
+ StackType* k = stk;\
while (1) {\
k--;\
STACK_BASE_CHECK(k, "STACK_EMPTY_CHECK_MEMST"); \
@@ -912,7 +1057,7 @@ stack_double(int is_alloca, char** arg_alloc_base,
#define STACK_EMPTY_CHECK_MEMST_REC(isnull,id,s,reg) do {\
int level = 0;\
- OnigStackType* k = stk;\
+ StackType* k = stk;\
while (1) {\
k--;\
STACK_BASE_CHECK(k, "STACK_EMPTY_CHECK_MEMST_REC"); \
@@ -960,7 +1105,7 @@ stack_double(int is_alloca, char** arg_alloc_base,
#else
#define STACK_EMPTY_CHECK_REC(isnull,id,s) do {\
int level = 0;\
- OnigStackType* k = stk;\
+ StackType* k = stk;\
while (1) {\
k--;\
STACK_BASE_CHECK(k, "STACK_EMPTY_CHECK_REC"); \
@@ -1000,7 +1145,7 @@ stack_double(int is_alloca, char** arg_alloc_base,
#define STACK_RETURN(addr) do {\
int level = 0;\
- OnigStackType* k = stk;\
+ StackType* k = stk;\
while (1) {\
k--;\
STACK_BASE_CHECK(k, "STACK_RETURN"); \
@@ -1074,27 +1219,26 @@ static int string_cmp_ic(OnigEncoding enc, int case_fold_flag,
#define IS_EMPTY_STR (str == end)
-#define ON_STR_BEGIN(s) ((s) == str)
-#define ON_STR_END(s) ((s) == end)
-#ifdef USE_MATCH_RANGE_MUST_BE_INSIDE_OF_SPECIFIED_RANGE
+#define ON_STR_BEGIN(s) ((s) == str)
+#define ON_STR_END(s) ((s) == end)
#define DATA_ENSURE_CHECK1 (s < right_range)
#define DATA_ENSURE_CHECK(n) (s + (n) <= right_range)
#define DATA_ENSURE(n) if (s + (n) > right_range) goto fail
-#else
-#define DATA_ENSURE_CHECK1 (s < end)
-#define DATA_ENSURE_CHECK(n) (s + (n) <= end)
-#define DATA_ENSURE(n) if (s + (n) > end) goto fail
-#endif /* USE_MATCH_RANGE_MUST_BE_INSIDE_OF_SPECIFIED_RANGE */
+#ifdef USE_MATCH_RANGE_MUST_BE_INSIDE_OF_SPECIFIED_RANGE
+#define INIT_RIGHT_RANGE right_range = (UChar* )in_right_range
+#else
+#define INIT_RIGHT_RANGE right_range = (UChar* )end
+#endif
#ifdef USE_CAPTURE_HISTORY
static int
-make_capture_history_tree(OnigCaptureTreeNode* node, OnigStackType** kp,
- OnigStackType* stk_top, UChar* str, regex_t* reg)
+make_capture_history_tree(OnigCaptureTreeNode* node, StackType** kp,
+ StackType* stk_top, UChar* str, regex_t* reg)
{
int n, r;
OnigCaptureTreeNode* child;
- OnigStackType* k = *kp;
+ StackType* k = *kp;
while (k < stk_top) {
if (k->type == STK_MEM_START) {
@@ -1143,13 +1287,13 @@ static int mem_is_in_memp(int mem, int num, UChar* memp)
}
static int backref_match_at_nested_level(regex_t* reg
- , OnigStackType* top, OnigStackType* stk_base
+ , StackType* top, StackType* stk_base
, int ignore_case, int case_fold_flag
, int nest, int mem_num, UChar* memp, UChar** s, const UChar* send)
{
UChar *ss, *p, *pstart, *pend = NULL_UCHARP;
int level;
- OnigStackType* k;
+ StackType* k;
level = 0;
k = top;
@@ -1197,6 +1341,37 @@ static int backref_match_at_nested_level(regex_t* reg
return 0;
}
+
+static int
+backref_check_at_nested_level(regex_t* reg,
+ StackType* top, StackType* stk_base,
+ int nest, int mem_num, UChar* memp)
+{
+ int level;
+ StackType* k;
+
+ level = 0;
+ k = top;
+ k--;
+ while (k >= stk_base) {
+ if (k->type == STK_CALL_FRAME) {
+ level--;
+ }
+ else if (k->type == STK_RETURN) {
+ level++;
+ }
+ else if (level == nest) {
+ if (k->type == STK_MEM_END) {
+ if (mem_is_in_memp(k->u.mem.num, mem_num, memp)) {
+ return 1;
+ }
+ }
+ }
+ k--;
+ }
+
+ return 0;
+}
#endif /* USE_BACKREF_WITH_LEVEL */
@@ -1300,7 +1475,7 @@ typedef struct {
static int
match_at(regex_t* reg, const UChar* str, const UChar* end,
#ifdef USE_MATCH_RANGE_MUST_BE_INSIDE_OF_SPECIFIED_RANGE
- const UChar* right_range,
+ const UChar* in_right_range,
#endif
const UChar* sstart, UChar* sprev, OnigMatchArg* msa)
{
@@ -1311,13 +1486,15 @@ match_at(regex_t* reg, const UChar* str, const UChar* end,
MemNumType mem;
RelAddrType addr;
UChar *s, *q, *sbegin;
+ UChar *right_range;
int is_alloca;
char *alloc_base;
- OnigStackType *stk_base, *stk, *stk_end;
- OnigStackType *stkp; /* used as any purpose. */
- OnigStackIndex si;
- OnigStackIndex *repeat_stk;
- OnigStackIndex *mem_start_stk, *mem_end_stk;
+ StackType *stk_base, *stk, *stk_end;
+ StackType *stkp; /* used as any purpose. */
+ StackIndex si;
+ StackIndex *repeat_stk;
+ StackIndex *mem_start_stk, *mem_end_stk;
+ UChar* keep;
#ifdef USE_COMBINATION_EXPLOSION_CHECK
int scv;
unsigned char* state_check_buff = msa->state_check_buff;
@@ -1346,7 +1523,9 @@ match_at(regex_t* reg, const UChar* str, const UChar* end,
STACK_PUSH_ENSURED(STK_ALT, FinishCode); /* bottom stack */
best_len = ONIG_MISMATCH;
- s = (UChar* )sstart;
+ keep = s = (UChar* )sstart;
+ INIT_RIGHT_RANGE;
+
while (1) {
#ifdef ONIG_DEBUG_MATCH
{
@@ -1394,12 +1573,14 @@ match_at(regex_t* reg, const UChar* str, const UChar* end,
best_len = n;
region = msa->region;
if (region) {
+ if (keep > s) keep = s;
+
#ifdef USE_POSIX_API_REGION_OPTION
if (IS_POSIX_REGION(msa->options)) {
posix_regmatch_t* rmt = (posix_regmatch_t* )region;
- rmt[0].rm_so = sstart - str;
- rmt[0].rm_eo = s - str;
+ rmt[0].rm_so = keep - str;
+ rmt[0].rm_eo = s - str;
for (i = 1; i <= num_mem; i++) {
if (mem_end_stk[i] != INVALID_STACK_INDEX) {
if (MEM_STATUS_AT(reg->bt_mem_start, i))
@@ -1418,8 +1599,8 @@ match_at(regex_t* reg, const UChar* str, const UChar* end,
}
else {
#endif /* USE_POSIX_API_REGION_OPTION */
- region->beg[0] = sstart - str;
- region->end[0] = s - str;
+ region->beg[0] = keep - str;
+ region->end[0] = s - str;
for (i = 1; i <= num_mem; i++) {
if (mem_end_stk[i] != INVALID_STACK_INDEX) {
if (MEM_STATUS_AT(reg->bt_mem_start, i))
@@ -1451,8 +1632,8 @@ match_at(regex_t* reg, const UChar* str, const UChar* end,
}
node->group = 0;
- node->beg = sstart - str;
- node->end = s - str;
+ node->beg = keep - str;
+ node->end = s - str;
stkp = stk_base;
r = make_capture_history_tree(region->history_root, &stkp,
@@ -2138,7 +2319,7 @@ match_at(regex_t* reg, const UChar* str, const UChar* end,
case OP_MEMORY_START: MOP_IN(OP_MEMORY_START);
GET_MEMNUM_INC(mem, p);
- mem_start_stk[mem] = (OnigStackIndex )((void* )s);
+ mem_start_stk[mem] = (StackIndex )((void* )s);
MOP_OUT;
continue;
break;
@@ -2152,12 +2333,12 @@ match_at(regex_t* reg, const UChar* str, const UChar* end,
case OP_MEMORY_END: MOP_IN(OP_MEMORY_END);
GET_MEMNUM_INC(mem, p);
- mem_end_stk[mem] = (OnigStackIndex )((void* )s);
+ mem_end_stk[mem] = (StackIndex )((void* )s);
MOP_OUT;
continue;
break;
-#ifdef USE_SUBEXP_CALL
+#ifdef USE_CALL
case OP_MEMORY_END_PUSH_REC: MOP_IN(OP_MEMORY_END_PUSH_REC);
GET_MEMNUM_INC(mem, p);
STACK_GET_MEM_START(mem, stkp); /* should be before push mem-end. */
@@ -2169,13 +2350,13 @@ match_at(regex_t* reg, const UChar* str, const UChar* end,
case OP_MEMORY_END_REC: MOP_IN(OP_MEMORY_END_REC);
GET_MEMNUM_INC(mem, p);
- mem_end_stk[mem] = (OnigStackIndex )((void* )s);
+ mem_end_stk[mem] = (StackIndex )((void* )s);
STACK_GET_MEM_START(mem, stkp);
if (MEM_STATUS_AT(reg->bt_mem_start, mem))
mem_start_stk[mem] = GET_STACK_INDEX(stkp);
else
- mem_start_stk[mem] = (OnigStackIndex )((void* )stkp->u.mem.pstr);
+ mem_start_stk[mem] = (StackIndex )((void* )stkp->u.mem.pstr);
STACK_PUSH_MEM_END_MARK(mem);
MOP_OUT;
@@ -2193,16 +2374,13 @@ match_at(regex_t* reg, const UChar* str, const UChar* end,
goto backref;
break;
- case OP_BACKREFN: MOP_IN(OP_BACKREFN);
+ case OP_BACKREF_N: MOP_IN(OP_BACKREF_N);
GET_MEMNUM_INC(mem, p);
backref:
{
int len;
UChar *pstart, *pend;
- /* if you want to remove following line,
- you should check in parse and compile time. */
- if (mem > num_mem) goto fail;
if (mem_end_stk[mem] == INVALID_STACK_INDEX) goto fail;
if (mem_start_stk[mem] == INVALID_STACK_INDEX) goto fail;
@@ -2226,15 +2404,12 @@ match_at(regex_t* reg, const UChar* str, const UChar* end,
}
break;
- case OP_BACKREFN_IC: MOP_IN(OP_BACKREFN_IC);
+ case OP_BACKREF_N_IC: MOP_IN(OP_BACKREF_N_IC);
GET_MEMNUM_INC(mem, p);
{
int len;
UChar *pstart, *pend;
- /* if you want to remove following line,
- you should check in parse and compile time. */
- if (mem > num_mem) goto fail;
if (mem_end_stk[mem] == INVALID_STACK_INDEX) goto fail;
if (mem_start_stk[mem] == INVALID_STACK_INDEX) goto fail;
@@ -2364,6 +2539,45 @@ match_at(regex_t* reg, const UChar* str, const UChar* end,
break;
#endif
+ case OP_BACKREF_CHECK: MOP_IN(OP_BACKREF_CHECK);
+ {
+ GET_LENGTH_INC(tlen, p);
+ for (i = 0; i < tlen; i++) {
+ GET_MEMNUM_INC(mem, p);
+
+ if (mem_end_stk[mem] == INVALID_STACK_INDEX) continue;
+ if (mem_start_stk[mem] == INVALID_STACK_INDEX) continue;
+
+ p += (SIZE_MEMNUM * (tlen - i - 1));
+ break; /* success */
+ }
+ if (i == tlen) goto fail;
+ MOP_OUT;
+ continue;
+ }
+ break;
+
+#ifdef USE_BACKREF_WITH_LEVEL
+ case OP_BACKREF_CHECK_WITH_LEVEL:
+ {
+ LengthType level;
+
+ GET_LENGTH_INC(level, p);
+ GET_LENGTH_INC(tlen, p);
+
+ if (backref_check_at_nested_level(reg, stk, stk_base,
+ (int )level, (int )tlen, p) != 0) {
+ p += (SIZE_MEMNUM * tlen);
+ }
+ else
+ goto fail;
+
+ MOP_OUT;
+ continue;
+ }
+ break;
+#endif
+
#if 0 /* no need: IS_DYNAMIC_OPTION() == 0 */
case OP_SET_OPTION_PUSH: MOP_IN(OP_SET_OPTION_PUSH);
GET_OPTION_INC(option, p);
@@ -2440,7 +2654,7 @@ match_at(regex_t* reg, const UChar* str, const UChar* end,
break;
#endif
-#ifdef USE_SUBEXP_CALL
+#ifdef USE_CALL
case OP_EMPTY_CHECK_END_MEMST_PUSH:
MOP_IN(OP_EMPTY_CHECK_END_MEMST_PUSH);
{
@@ -2484,6 +2698,13 @@ match_at(regex_t* reg, const UChar* str, const UChar* end,
continue;
break;
+ case OP_PUSH_SUPER: MOP_IN(OP_PUSH_SUPER);
+ GET_RELADDR_INC(addr, p);
+ STACK_PUSH_SUPER_ALT(p + addr, s, sprev);
+ MOP_OUT;
+ continue;
+ break;
+
#ifdef USE_COMBINATION_EXPLOSION_CHECK
case OP_STATE_CHECK_PUSH: MOP_IN(OP_STATE_CHECK_PUSH);
GET_STATE_CHECK_NUM_INC(mem, p);
@@ -2652,13 +2873,13 @@ match_at(regex_t* reg, const UChar* str, const UChar* end,
goto repeat_inc_ng;
break;
- case OP_PUSH_POS: MOP_IN(OP_PUSH_POS);
+ case OP_PREC_READ_START: MOP_IN(OP_PREC_READ_START);
STACK_PUSH_POS(s, sprev);
MOP_OUT;
continue;
break;
- case OP_POP_POS: MOP_IN(OP_POP_POS);
+ case OP_PREC_READ_END: MOP_IN(OP_PREC_READ_END);
{
STACK_POS_END(stkp);
s = stkp->u.state.pstr;
@@ -2668,26 +2889,26 @@ match_at(regex_t* reg, const UChar* str, const UChar* end,
continue;
break;
- case OP_PUSH_POS_NOT: MOP_IN(OP_PUSH_POS_NOT);
+ case OP_PUSH_PREC_READ_NOT: MOP_IN(OP_PUSH_PREC_READ_NOT);
GET_RELADDR_INC(addr, p);
- STACK_PUSH_POS_NOT(p + addr, s, sprev);
+ STACK_PUSH_ALT_PREC_READ_NOT(p + addr, s, sprev);
MOP_OUT;
continue;
break;
- case OP_FAIL_POS: MOP_IN(OP_FAIL_POS);
- STACK_POP_TIL_POS_NOT;
+ case OP_FAIL_PREC_READ_NOT: MOP_IN(OP_FAIL_PREC_READ_NOT);
+ STACK_POP_TIL_ALT_PREC_READ_NOT;
goto fail;
break;
case OP_PUSH_STOP_BT: MOP_IN(OP_PUSH_STOP_BT);
- STACK_PUSH_STOP_BT;
+ STACK_PUSH_STOP_BACKTRACK;
MOP_OUT;
continue;
break;
case OP_POP_STOP_BT: MOP_IN(OP_POP_STOP_BT);
- STACK_STOP_BT_END;
+ STACK_STOP_BACKTRACK_END;
MOP_OUT;
continue;
break;
@@ -2712,7 +2933,7 @@ match_at(regex_t* reg, const UChar* str, const UChar* end,
/* goto fail; */
}
else {
- STACK_PUSH_LOOK_BEHIND_NOT(p + addr, s, sprev);
+ STACK_PUSH_ALT_LOOK_BEHIND_NOT(p + addr, s, sprev);
s = q;
sprev = (UChar* )onigenc_get_prev_char_head(encode, str, s);
}
@@ -2721,11 +2942,11 @@ match_at(regex_t* reg, const UChar* str, const UChar* end,
break;
case OP_FAIL_LOOK_BEHIND_NOT: MOP_IN(OP_FAIL_LOOK_BEHIND_NOT);
- STACK_POP_TIL_LOOK_BEHIND_NOT;
+ STACK_POP_TIL_ALT_LOOK_BEHIND_NOT;
goto fail;
break;
-#ifdef USE_SUBEXP_CALL
+#ifdef USE_CALL
case OP_CALL: MOP_IN(OP_CALL);
GET_ABSADDR_INC(addr, p);
STACK_PUSH_CALL_FRAME(p);
@@ -2742,6 +2963,56 @@ match_at(regex_t* reg, const UChar* str, const UChar* end,
break;
#endif
+ case OP_PUSH_SAVE_VAL: MOP_IN(OP_PUSH_SAVE_VAL);
+ {
+ SaveType type;
+ GET_SAVE_TYPE_INC(type, p);
+ GET_MEMNUM_INC(mem, p); /* mem: save id */
+ switch ((enum SaveType )type) {
+ case SAVE_KEEP:
+ STACK_PUSH_SAVE_VAL(mem, type, s);
+ break;
+
+ case SAVE_S:
+ STACK_PUSH_SAVE_VAL_WITH_SPREV(mem, type, s);
+ break;
+
+ case SAVE_RIGHT_RANGE:
+ STACK_PUSH_SAVE_VAL(mem, SAVE_RIGHT_RANGE, right_range);
+ break;
+ }
+ }
+ MOP_OUT;
+ continue;
+ break;
+
+ case OP_UPDATE_VAR: MOP_IN(OP_UPDATE_VAR);
+ {
+ UpdateVarType type;
+ GET_UPDATE_VAR_TYPE_INC(type, p);
+ GET_MEMNUM_INC(mem, p); /* mem: save id */
+ switch ((enum UpdateVarType )type) {
+ case UPDATE_VAR_KEEP_FROM_STACK_LAST:
+ STACK_GET_SAVE_VAL_TYPE_LAST(SAVE_KEEP, keep);
+ break;
+ case UPDATE_VAR_S_FROM_STACK:
+ STACK_GET_SAVE_VAL_TYPE_LAST_ID_WITH_SPREV(SAVE_S, mem, s);
+ break;
+ case UPDATE_VAR_RIGHT_RANGE_FROM_S_STACK:
+ STACK_GET_SAVE_VAL_TYPE_LAST_ID(SAVE_S, mem, right_range);
+ break;
+ case UPDATE_VAR_RIGHT_RANGE_FROM_STACK:
+ STACK_GET_SAVE_VAL_TYPE_LAST_ID(SAVE_RIGHT_RANGE, mem, right_range);
+ break;
+ case UPDATE_VAR_RIGHT_RANGE_INIT:
+ INIT_RIGHT_RANGE;
+ break;
+ }
+ }
+ MOP_OUT;
+ continue;
+ break;
+
case OP_FINISH:
goto finish;
break;
@@ -3248,7 +3519,7 @@ forward_search_range(regex_t* reg, const UChar* str, const UChar* end, UChar* s,
}
}
else {
- if (reg->dmax != ONIG_INFINITE_DISTANCE) {
+ if (reg->dmax != INFINITE_LEN) {
if (p - str < reg->dmax) {
*low = (UChar* )str;
if (low_prev)
@@ -3377,7 +3648,7 @@ backward_search_range(regex_t* reg, const UChar* str, const UChar* end,
}
/* no needs to adjust *high, *high is used as range check only */
- if (reg->dmax != ONIG_INFINITE_DISTANCE) {
+ if (reg->dmax != INFINITE_LEN) {
*low = p - reg->dmax;
*high = p - reg->dmin;
*high = onigenc_get_right_adjust_char_head(reg->enc, adjrange, *high);
@@ -3514,7 +3785,7 @@ onig_search(regex_t* reg, const UChar* str, const UChar* end,
end_buf:
if ((OnigLen )(max_semi_end - str) < reg->anchor_dmin)
- goto mismatch_no_msa;
+ goto mismatch_no_msa;
if (range > start) {
if ((OnigLen )(min_semi_end - start) > reg->anchor_dmax) {
@@ -3616,7 +3887,7 @@ onig_search(regex_t* reg, const UChar* str, const UChar* end,
sch_range = (UChar* )range;
if (reg->dmax != 0) {
- if (reg->dmax == ONIG_INFINITE_DISTANCE)
+ if (reg->dmax == INFINITE_LEN)
sch_range = (UChar* )end;
else {
sch_range += reg->dmax;
@@ -3627,7 +3898,7 @@ onig_search(regex_t* reg, const UChar* str, const UChar* end,
if ((end - start) < reg->threshold_len)
goto mismatch;
- if (reg->dmax != ONIG_INFINITE_DISTANCE) {
+ if (reg->dmax != INFINITE_LEN) {
do {
if (! forward_search_range(reg, str, end, s, sch_range,
&low, &high, &low_prev)) goto mismatch;
@@ -3689,7 +3960,7 @@ onig_search(regex_t* reg, const UChar* str, const UChar* end,
else
adjrange = (UChar* )end;
- if (reg->dmax != ONIG_INFINITE_DISTANCE &&
+ if (reg->dmax != INFINITE_LEN &&
(end - range) >= reg->threshold_len) {
do {
sch_start = s + reg->dmax;
@@ -3714,7 +3985,7 @@ onig_search(regex_t* reg, const UChar* str, const UChar* end,
sch_start = s;
if (reg->dmax != 0) {
- if (reg->dmax == ONIG_INFINITE_DISTANCE)
+ if (reg->dmax == INFINITE_LEN)
sch_start = (UChar* )end;
else {
sch_start += reg->dmax;
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-03 00:13:32 +0000