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Diffstat (limited to 'src/regexec.c')
-rw-r--r--src/regexec.c237
1 files changed, 150 insertions, 87 deletions
diff --git a/src/regexec.c b/src/regexec.c
index 35e3698..1ec5183 100644
--- a/src/regexec.c
+++ b/src/regexec.c
@@ -52,9 +52,9 @@ typedef struct {
struct OnigMatchParamStruct {
unsigned int match_stack_limit;
unsigned long retry_limit_in_match;
+#ifdef USE_CALLOUT
OnigCalloutFunc progress_callout_of_contents;
OnigCalloutFunc retraction_callout_of_contents;
-#ifdef USE_CALLOUT
int match_at_call_counter;
void* callout_user_data;
CalloutData* callout_data;
@@ -81,15 +81,34 @@ onig_set_retry_limit_in_match_of_match_param(OnigMatchParam* param,
extern int
onig_set_progress_callout_of_match_param(OnigMatchParam* param, OnigCalloutFunc f)
{
+#ifdef USE_CALLOUT
param->progress_callout_of_contents = f;
return ONIG_NORMAL;
+#else
+ return ONIG_NO_SUPPORT_CONFIG;
+#endif
}
extern int
onig_set_retraction_callout_of_match_param(OnigMatchParam* param, OnigCalloutFunc f)
{
+#ifdef USE_CALLOUT
param->retraction_callout_of_contents = f;
return ONIG_NORMAL;
+#else
+ return ONIG_NO_SUPPORT_CONFIG;
+#endif
+}
+
+extern int
+onig_set_callout_user_data_of_match_param(OnigMatchParam* param, void* user_data)
+{
+#ifdef USE_CALLOUT
+ param->callout_user_data = user_data;
+ return ONIG_NORMAL;
+#else
+ return ONIG_NO_SUPPORT_CONFIG;
+#endif
}
@@ -114,19 +133,21 @@ typedef struct {
#ifdef ONIG_DEBUG
/* arguments type */
-#define ARG_SPECIAL -1
-#define ARG_NON 0
-#define ARG_RELADDR 1
-#define ARG_ABSADDR 2
-#define ARG_LENGTH 3
-#define ARG_MEMNUM 4
-#define ARG_OPTION 5
-#define ARG_MODE 6
+typedef enum {
+ ARG_SPECIAL = -1,
+ ARG_NON = 0,
+ ARG_RELADDR = 1,
+ ARG_ABSADDR = 2,
+ ARG_LENGTH = 3,
+ ARG_MEMNUM = 4,
+ ARG_OPTION = 5,
+ ARG_MODE = 6
+} OpArgType;
typedef struct {
short int opcode;
char* name;
- short int arg_type;
+ OpArgType arg_type;
} OpInfoType;
static OpInfoType OpInfo[] = {
@@ -295,11 +316,12 @@ extern void
onig_print_compiled_byte_code(FILE* f, UChar* bp, UChar** nextp, UChar* start,
OnigEncoding enc)
{
- int i, n, arg_type;
+ int i, n;
+ OpArgType arg_type;
RelAddrType addr;
- LengthType len;
- MemNumType mem;
- OnigCodePoint code;
+ LengthType len;
+ MemNumType mem;
+ OnigCodePoint code;
OnigOptionType option;
ModeType mode;
UChar *q;
@@ -336,12 +358,13 @@ onig_print_compiled_byte_code(FILE* f, UChar* bp, UChar** nextp, UChar* start,
fprintf(f, ":%d", option);
}
break;
-
case ARG_MODE:
mode = *((ModeType* )bp);
bp += SIZE_MODE;
fprintf(f, ":%d", mode);
break;
+ default:
+ break;
}
}
else {
@@ -546,7 +569,7 @@ onig_print_compiled_byte_code(FILE* f, UChar* bp, UChar** nextp, UChar* start,
#ifdef USE_CALLOUT
case OP_CALLOUT_CONTENTS:
{
- GET_MEMNUM_INC(mem, bp); // number
+ GET_MEMNUM_INC(mem, bp); /* number */
fprintf(f, ":%d", mem);
}
break;
@@ -555,8 +578,8 @@ onig_print_compiled_byte_code(FILE* f, UChar* bp, UChar** nextp, UChar* start,
{
int id;
- GET_MEMNUM_INC(id, bp); // id
- GET_MEMNUM_INC(mem, bp); // number
+ GET_MEMNUM_INC(id, bp); /* id */
+ GET_MEMNUM_INC(mem, bp); /* number */
fprintf(f, ":%d:%d", id, mem);
}
@@ -959,8 +982,8 @@ typedef struct _StackType {
struct {
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 "(...)*" ) */
+ StackIndex prev_start; /* prev. info (for backtrack "(...)*" ) */
+ StackIndex prev_end; /* prev. info (for backtrack "(...)*" ) */
} mem;
struct {
UChar *pstr; /* start position */
@@ -996,7 +1019,7 @@ struct OnigCalloutArgsStruct {
const OnigUChar* string_end;
const OnigUChar* start;
const OnigUChar* right_range;
- const OnigUChar* current; // current matching position
+ const OnigUChar* current; /* current matching position */
unsigned long retry_in_match_counter;
/* invisible to users */
@@ -1127,7 +1150,7 @@ onig_get_retry_limit_in_match(void)
#ifdef USE_RETRY_LIMIT_IN_MATCH
return RetryLimitInMatch;
#else
- //return ONIG_NO_SUPPORT_CONFIG;
+ /* return ONIG_NO_SUPPORT_CONFIG; */
return 0;
#endif
}
@@ -1520,11 +1543,11 @@ stack_double(int is_alloca, char** arg_alloc_base,
STACK_ENSURE(1);\
stk->type = STK_MEM_START;\
stk->zid = (mnum);\
- stk->u.mem.pstr = (s);\
- stk->u.mem.start = mem_start_stk[mnum];\
- stk->u.mem.end = mem_end_stk[mnum];\
- mem_start_stk[mnum] = GET_STACK_INDEX(stk);\
- mem_end_stk[mnum] = INVALID_STACK_INDEX;\
+ stk->u.mem.pstr = (s);\
+ stk->u.mem.prev_start = mem_start_stk[mnum];\
+ stk->u.mem.prev_end = mem_end_stk[mnum];\
+ mem_start_stk[mnum] = GET_STACK_INDEX(stk);\
+ mem_end_stk[mnum] = INVALID_STACK_INDEX;\
STACK_INC;\
} while(0)
@@ -1532,9 +1555,9 @@ stack_double(int is_alloca, char** arg_alloc_base,
STACK_ENSURE(1);\
stk->type = STK_MEM_END;\
stk->zid = (mnum);\
- stk->u.mem.pstr = (s);\
- stk->u.mem.start = mem_start_stk[mnum];\
- stk->u.mem.end = mem_end_stk[mnum];\
+ stk->u.mem.pstr = (s);\
+ stk->u.mem.prev_start = mem_start_stk[mnum];\
+ stk->u.mem.prev_end = mem_end_stk[mnum];\
mem_end_stk[mnum] = GET_STACK_INDEX(stk);\
STACK_INC;\
} while(0)
@@ -1758,8 +1781,8 @@ stack_double(int is_alloca, char** arg_alloc_base,
STACK_BASE_CHECK(stk, "STACK_POP 2"); \
if ((stk->type & STK_MASK_POP_USED) != 0) break;\
else if (stk->type == STK_MEM_START) {\
- mem_start_stk[stk->zid] = stk->u.mem.start;\
- mem_end_stk[stk->zid] = stk->u.mem.end;\
+ mem_start_stk[stk->zid] = stk->u.mem.prev_start;\
+ mem_end_stk[stk->zid] = stk->u.mem.prev_end;\
}\
}\
break;\
@@ -1770,15 +1793,15 @@ stack_double(int is_alloca, char** arg_alloc_base,
if ((stk->type & STK_MASK_POP_USED) != 0) break;\
else if ((stk->type & STK_MASK_POP_HANDLED) != 0) {\
if (stk->type == STK_MEM_START) {\
- mem_start_stk[stk->zid] = stk->u.mem.start;\
- mem_end_stk[stk->zid] = stk->u.mem.end;\
+ mem_start_stk[stk->zid] = stk->u.mem.prev_start;\
+ mem_end_stk[stk->zid] = stk->u.mem.prev_end;\
}\
else if (stk->type == STK_REPEAT_INC) {\
STACK_AT(stk->u.repeat_inc.si)->u.repeat.count--;\
}\
else if (stk->type == STK_MEM_END) {\
- mem_start_stk[stk->zid] = stk->u.mem.start;\
- mem_end_stk[stk->zid] = stk->u.mem.end;\
+ mem_start_stk[stk->zid] = stk->u.mem.prev_start;\
+ mem_end_stk[stk->zid] = stk->u.mem.prev_end;\
}\
POP_CALLOUT_CASE\
}\
@@ -1795,15 +1818,15 @@ stack_double(int is_alloca, char** arg_alloc_base,
if (stk->type == (til_type)) break;\
else {\
if (stk->type == STK_MEM_START) {\
- mem_start_stk[stk->zid] = stk->u.mem.start;\
- mem_end_stk[stk->zid] = stk->u.mem.end;\
+ mem_start_stk[stk->zid] = stk->u.mem.prev_start;\
+ mem_end_stk[stk->zid] = stk->u.mem.prev_end;\
}\
else if (stk->type == STK_REPEAT_INC) {\
STACK_AT(stk->u.repeat_inc.si)->u.repeat.count--;\
}\
else if (stk->type == STK_MEM_END) {\
- mem_start_stk[stk->zid] = stk->u.mem.start;\
- mem_end_stk[stk->zid] = stk->u.mem.end;\
+ mem_start_stk[stk->zid] = stk->u.mem.prev_start;\
+ mem_end_stk[stk->zid] = stk->u.mem.prev_end;\
}\
/* Don't call callout here because negation of total success by (?!..) (?<!..) */\
}\
@@ -1849,12 +1872,24 @@ stack_double(int is_alloca, char** arg_alloc_base,
}\
} while(0)
-#ifdef USE_INSISTENT_CHECK_CAPTURES_STATUS_IN_ENDLESS_REPEAT
-#define STACK_EMPTY_CHECK_MEMST(isnull,sid,s,reg) do {\
+#define STACK_MEM_START_GET_PREV_END_ADDR(k /* STK_MEM_START*/, reg, addr) do {\
+ if (k->u.mem.prev_end == INVALID_STACK_INDEX) {\
+ (addr) = 0;\
+ }\
+ else {\
+ if (MEM_STATUS_AT((reg)->bt_mem_end, k->zid))\
+ (addr) = STACK_AT(k->u.mem.prev_end)->u.mem.pstr;\
+ else\
+ (addr) = (UChar* )k->u.mem.prev_end;\
+ }\
+} while (0)
+
+#ifdef USE_INSISTENT_CHECK_CAPTURES_IN_EMPTY_REPEAT
+#define STACK_EMPTY_CHECK_MEM(isnull,sid,s,reg) do {\
StackType* k = stk;\
while (1) {\
k--;\
- STACK_BASE_CHECK(k, "STACK_EMPTY_CHECK_MEMST"); \
+ STACK_BASE_CHECK(k, "STACK_EMPTY_CHECK_MEM"); \
if (k->type == STK_EMPTY_CHECK_START) {\
if (k->zid == (sid)) {\
if (k->u.empty_check.pstr != (s)) {\
@@ -1866,15 +1901,11 @@ stack_double(int is_alloca, char** arg_alloc_base,
(isnull) = 1;\
while (k < stk) {\
if (k->type == STK_MEM_START) {\
- if (k->u.mem.end == INVALID_STACK_INDEX) {\
+ STACK_MEM_START_GET_PREV_END_ADDR(k, reg, endp);\
+ if (endp == 0) {\
(isnull) = 0; break;\
}\
- if (MEM_STATUS_AT(reg->bt_mem_end, k->zid))\
- endp = STACK_AT(k->u.mem.end)->u.mem.pstr;\
- else\
- endp = (UChar* )k->u.mem.end;\
- /*fprintf(stderr, "num: %d, pstr: %p, endp: %p\n", k->u.mem.num, STACK_AT(k->u.mem.start)->u.mem.pstr, endp);*/ \
- if (STACK_AT(k->u.mem.start)->u.mem.pstr != endp) {\
+ else if (STACK_AT(k->u.mem.prev_start)->u.mem.pstr != endp) {\
(isnull) = 0; break;\
}\
else if (endp != s) {\
@@ -1890,12 +1921,12 @@ stack_double(int is_alloca, char** arg_alloc_base,
}\
} while(0)
-#define STACK_EMPTY_CHECK_MEMST_REC(isnull,sid,s,reg) do {\
+#define STACK_EMPTY_CHECK_MEM_REC(isnull,sid,s,reg) do {\
int level = 0;\
StackType* k = stk;\
while (1) {\
k--;\
- STACK_BASE_CHECK(k, "STACK_EMPTY_CHECK_MEMST_REC"); \
+ STACK_BASE_CHECK(k, "STACK_EMPTY_CHECK_MEM_REC");\
if (k->type == STK_EMPTY_CHECK_START) {\
if (k->zid == (sid)) {\
if (level == 0) {\
@@ -1908,20 +1939,25 @@ stack_double(int is_alloca, char** arg_alloc_base,
(isnull) = 1;\
while (k < stk) {\
if (k->type == STK_MEM_START) {\
- if (k->u.mem.end == INVALID_STACK_INDEX) {\
- (isnull) = 0; break;\
- }\
- if (MEM_STATUS_AT(reg->bt_mem_end, k->zid))\
- endp = STACK_AT(k->u.mem.end)->u.mem.pstr;\
- else\
- endp = (UChar* )k->u.mem.end;\
- if (STACK_AT(k->u.mem.start)->u.mem.pstr != endp) {\
- (isnull) = 0; break;\
- }\
- else if (endp != s) {\
- (isnull) = -1; /* empty, but position changed */ \
+ if (level == 0) {\
+ STACK_MEM_START_GET_PREV_END_ADDR(k, reg, endp);\
+ if (endp == 0) {\
+ (isnull) = 0; break;\
+ }\
+ else if (STACK_AT(k->u.mem.prev_start)->u.mem.pstr != endp) { \
+ (isnull) = 0; break;\
+ }\
+ else if (endp != s) {\
+ (isnull) = -1; /* empty, but position changed */\
+ }\
}\
}\
+ else if (k->type == STK_EMPTY_CHECK_START) {\
+ if (k->zid == (sid)) level++;\
+ }\
+ else if (k->type == STK_EMPTY_CHECK_END) {\
+ if (k->zid == (sid)) level--;\
+ }\
k++;\
}\
break;\
@@ -1958,7 +1994,7 @@ stack_double(int is_alloca, char** arg_alloc_base,
}\
}\
} while(0)
-#endif /* USE_INSISTENT_CHECK_CAPTURES_STATUS_IN_ENDLESS_REPEAT */
+#endif /* USE_INSISTENT_CHECK_CAPTURES_IN_EMPTY_REPEAT */
#define STACK_GET_REPEAT(sid, k) do {\
int level = 0;\
@@ -2348,7 +2384,6 @@ match_at(regex_t* reg, const UChar* str, const UChar* end,
retry_limit_in_match = msa->retry_limit_in_match;
#endif
- //n = reg->num_repeat + reg->num_mem * 2;
pop_level = reg->stack_pop_level;
num_mem = reg->num_mem;
STACK_INIT(INIT_MATCH_STACK_SIZE);
@@ -2996,7 +3031,7 @@ match_at(regex_t* reg, const UChar* str, const UChar* end,
case OP_WORD_BOUNDARY: SOP_IN(OP_WORD_BOUNDARY);
{
ModeType mode;
- GET_MODE_INC(mode, p); // ascii_mode
+ GET_MODE_INC(mode, p); /* ascii_mode */
if (ON_STR_BEGIN(s)) {
DATA_ENSURE(1);
@@ -3020,7 +3055,7 @@ match_at(regex_t* reg, const UChar* str, const UChar* end,
case OP_NO_WORD_BOUNDARY: SOP_IN(OP_NO_WORD_BOUNDARY);
{
ModeType mode;
- GET_MODE_INC(mode, p); // ascii_mode
+ GET_MODE_INC(mode, p); /* ascii_mode */
if (ON_STR_BEGIN(s)) {
if (DATA_ENSURE_CHECK1 && IS_MBC_WORD_ASCII_MODE(encode, s, end, mode))
@@ -3044,7 +3079,7 @@ match_at(regex_t* reg, const UChar* str, const UChar* end,
case OP_WORD_BEGIN: SOP_IN(OP_WORD_BEGIN);
{
ModeType mode;
- GET_MODE_INC(mode, p); // ascii_mode
+ GET_MODE_INC(mode, p); /* ascii_mode */
if (DATA_ENSURE_CHECK1 && IS_MBC_WORD_ASCII_MODE(encode, s, end, mode)) {
if (ON_STR_BEGIN(s) || !IS_MBC_WORD_ASCII_MODE(encode, sprev, end, mode)) {
@@ -3059,7 +3094,7 @@ match_at(regex_t* reg, const UChar* str, const UChar* end,
case OP_WORD_END: SOP_IN(OP_WORD_END);
{
ModeType mode;
- GET_MODE_INC(mode, p); // ascii_mode
+ GET_MODE_INC(mode, p); /* ascii_mode */
if (!ON_STR_BEGIN(s) && IS_MBC_WORD_ASCII_MODE(encode, sprev, end, mode)) {
if (ON_STR_END(s) || ! IS_MBC_WORD_ASCII_MODE(encode, s, end, mode)) {
@@ -3395,9 +3430,10 @@ match_at(regex_t* reg, const UChar* str, const UChar* end,
sprev = s;
if (backref_match_at_nested_level(reg, stk, stk_base, ic
, case_fold_flag, (int )level, (int )tlen, p, &s, end)) {
- while (sprev + (len = enclen(encode, sprev)) < s)
- sprev += len;
-
+ if (sprev < end) {
+ while (sprev + (len = enclen(encode, sprev)) < s)
+ sprev += len;
+ }
p += (SIZE_MEMNUM * tlen);
}
else
@@ -3504,16 +3540,16 @@ match_at(regex_t* reg, const UChar* str, const UChar* end,
continue;
break;
-#ifdef USE_INSISTENT_CHECK_CAPTURES_STATUS_IN_ENDLESS_REPEAT
+#ifdef USE_INSISTENT_CHECK_CAPTURES_IN_EMPTY_REPEAT
case OP_EMPTY_CHECK_END_MEMST: SOP_IN(OP_EMPTY_CHECK_END_MEMST);
{
int is_empty;
GET_MEMNUM_INC(mem, p); /* mem: null check id */
- STACK_EMPTY_CHECK_MEMST(is_empty, mem, s, reg);
+ STACK_EMPTY_CHECK_MEM(is_empty, mem, s, reg);
if (is_empty) {
#ifdef ONIG_DEBUG_MATCH
- fprintf(stderr, "EMPTY_CHECK_END_MEMST: skip id:%d, s:%p\n", (int)mem, s);
+ fprintf(stderr, "EMPTY_CHECK_END_MEM: skip id:%d, s:%p\n", (int)mem, s);
#endif
if (is_empty == -1) goto fail;
goto empty_check_found;
@@ -3531,14 +3567,14 @@ match_at(regex_t* reg, const UChar* str, const UChar* end,
int is_empty;
GET_MEMNUM_INC(mem, p); /* mem: null check id */
-#ifdef USE_INSISTENT_CHECK_CAPTURES_STATUS_IN_ENDLESS_REPEAT
- STACK_EMPTY_CHECK_MEMST_REC(is_empty, mem, s, reg);
+#ifdef USE_INSISTENT_CHECK_CAPTURES_IN_EMPTY_REPEAT
+ STACK_EMPTY_CHECK_MEM_REC(is_empty, mem, s, reg);
#else
STACK_EMPTY_CHECK_REC(is_empty, mem, s);
#endif
if (is_empty) {
#ifdef ONIG_DEBUG_MATCH
- fprintf(stderr, "EMPTY_CHECK_END_MEMST_PUSH: skip id:%d, s:%p\n",
+ fprintf(stderr, "EMPTY_CHECK_END_MEM_PUSH: skip id:%d, s:%p\n",
(int )mem, s);
#endif
if (is_empty == -1) goto fail;
@@ -3577,8 +3613,8 @@ match_at(regex_t* reg, const UChar* str, const UChar* end,
case OP_POP_OUT: SOP_IN(OP_POP_OUT);
STACK_POP_ONE;
- // for stop backtrack
- //CHECK_RETRY_LIMIT_IN_MATCH;
+ /* for stop backtrack */
+ /* CHECK_RETRY_LIMIT_IN_MATCH; */
SOP_OUT;
continue;
break;
@@ -5137,7 +5173,7 @@ onig_get_args_num_by_callout_args(OnigCalloutArgs* args)
num = args->num;
e = onig_reg_callout_list_at(args->regex, num);
- if (IS_NULL(e)) return 0;
+ if (IS_NULL(e)) return ONIGERR_INVALID_ARGUMENT;
if (e->of == ONIG_CALLOUT_OF_NAME) {
return e->u.arg.num;
}
@@ -5153,7 +5189,7 @@ onig_get_passed_args_num_by_callout_args(OnigCalloutArgs* args)
num = args->num;
e = onig_reg_callout_list_at(args->regex, num);
- if (IS_NULL(e)) return 0;
+ if (IS_NULL(e)) return ONIGERR_INVALID_ARGUMENT;
if (e->of == ONIG_CALLOUT_OF_NAME) {
return e->u.arg.passed_num;
}
@@ -5170,7 +5206,7 @@ onig_get_arg_by_callout_args(OnigCalloutArgs* args, int index,
num = args->num;
e = onig_reg_callout_list_at(args->regex, num);
- if (IS_NULL(e)) return 0;
+ if (IS_NULL(e)) return ONIGERR_INVALID_ARGUMENT;
if (e->of == ONIG_CALLOUT_OF_NAME) {
if (IS_NOT_NULL(type)) *type = e->u.arg.types[index];
if (IS_NOT_NULL(val)) *val = e->u.arg.vals[index];
@@ -5393,6 +5429,8 @@ onig_builtin_max(OnigCalloutArgs* args, void* user_data ARG_UNUSED)
{
int r;
int slot;
+ long max_val;
+ OnigCodePoint count_type;
OnigType type;
OnigValue val;
OnigValue aval;
@@ -5411,13 +5449,38 @@ onig_builtin_max(OnigCalloutArgs* args, void* user_data ARG_UNUSED)
r = onig_get_arg_by_callout_args(args, 0, &type, &aval);
if (r != ONIG_NORMAL) return r;
+ if (type == ONIG_TYPE_TAG) {
+ r = onig_get_callout_data_by_callout_args(args, aval.tag, 0, &type, &aval);
+ if (r < ONIG_NORMAL) return r;
+ else if (r > ONIG_NORMAL)
+ max_val = 0L;
+ else
+ max_val = aval.l;
+ }
+ else { /* LONG */
+ max_val = aval.l;
+ }
+
+ r = onig_get_arg_by_callout_args(args, 1, &type, &aval);
+ if (r != ONIG_NORMAL) return r;
+
+ count_type = aval.c;
+ if (count_type != '>' && count_type != 'X' && count_type != '<')
+ return ONIGERR_INVALID_CALLOUT_ARG;
if (args->in == ONIG_CALLOUT_IN_RETRACTION) {
- val.l--;
+ if (count_type == '<') {
+ if (val.l >= max_val) return ONIG_CALLOUT_FAIL;
+ val.l++;
+ }
+ else if (count_type == 'X')
+ val.l--;
}
else {
- if (val.l >= aval.l) return ONIG_CALLOUT_FAIL;
- val.l++;
+ if (count_type != '<') {
+ if (val.l >= max_val) return ONIG_CALLOUT_FAIL;
+ val.l++;
+ }
}
r = onig_set_callout_data_by_callout_args_self(args, slot, ONIG_TYPE_LONG, &val);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 07:24:46 +0000