/**********************************************************************
regexec.c - Oniguruma (regular expression library)
**********************************************************************/
/*-
* Copyright (c) 2002-2018 K.Kosako <sndgk393 AT ybb DOT ne DOT jp>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "regint.h"
#define IS_MBC_WORD_ASCII_MODE(enc,s,end,mode) \
((mode) == 0 ? ONIGENC_IS_MBC_WORD(enc,s,end) : ONIGENC_IS_MBC_WORD_ASCII(enc,s,end))
#ifdef USE_CRNL_AS_LINE_TERMINATOR
#define ONIGENC_IS_MBC_CRNL(enc,p,end) \
(ONIGENC_MBC_TO_CODE(enc,p,end) == 13 && \
ONIGENC_IS_MBC_NEWLINE(enc,(p+enclen(enc,p)),end))
#endif
#define CHECK_INTERRUPT_IN_MATCH
#ifdef USE_CALLOUT
typedef struct {
int last_match_at_call_counter;
struct {
OnigType type;
OnigValue val;
} slot[ONIG_CALLOUT_DATA_SLOT_NUM];
} CalloutData;
#endif
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;
int match_at_call_counter;
void* callout_user_data;
CalloutData* callout_data;
int callout_data_alloc_num;
#endif
};
extern int
onig_set_match_stack_limit_size_of_match_param(OnigMatchParam* param,
unsigned int limit)
{
param->match_stack_limit = limit;
return ONIG_NORMAL;
}
extern int
onig_set_retry_limit_in_match_of_match_param(OnigMatchParam* param,
unsigned long limit)
{
param->retry_limit_in_match = limit;
return ONIG_NORMAL;
}
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
}
typedef struct {
void* stack_p;
int stack_n;
OnigOptionType options;
OnigRegion* region;
int ptr_num;
const UChar* start; /* search start position (for \G: BEGIN_POSITION) */
unsigned int match_stack_limit;
unsigned long retry_limit_in_match;
OnigMatchParam* mp;
#ifdef USE_FIND_LONGEST_SEARCH_ALL_OF_RANGE
int best_len; /* for ONIG_OPTION_FIND_LONGEST */
UChar* best_s;
#endif
} MatchArg;
#ifdef ONIG_DEBUG
/* arguments type */
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;
OpArgType arg_type;
} OpInfoType;
static OpInfoType OpInfo[] = {
{ OP_FINISH, "finish", ARG_NON },
{ OP_END, "end", ARG_NON },
{ OP_EXACT1, "exact1", ARG_SPECIAL },
{ OP_EXACT2, "exact2", ARG_SPECIAL },
{ OP_EXACT3, "exact3", ARG_SPECIAL },
{ OP_EXACT4, "exact4", ARG_SPECIAL },
{ OP_EXACT5, "exact5", ARG_SPECIAL },
{ OP_EXACTN, "exactn", ARG_SPECIAL },
{ OP_EXACTMB2N1, "exactmb2-n1", ARG_SPECIAL },
{ OP_EXACTMB2N2, "exactmb2-n2", ARG_SPECIAL },
{ OP_EXACTMB2N3, "exactmb2-n3", ARG_SPECIAL },
{ OP_EXACTMB2N, "exactmb2-n", ARG_SPECIAL },
{ OP_EXACTMB3N, "exactmb3n" , ARG_SPECIAL },
{ OP_EXACTMBN, "exactmbn", ARG_SPECIAL },
{ OP_EXACT1_IC, "exact1-ic", ARG_SPECIAL },
{ OP_EXACTN_IC, "exactn-ic", ARG_SPECIAL },
{ OP_CCLASS, "cclass", ARG_SPECIAL },
{ OP_CCLASS_MB, "cclass-mb", ARG_SPECIAL },
{ OP_CCLASS_MIX, "cclass-mix", ARG_SPECIAL },
{ OP_CCLASS_NOT, "cclass-not", ARG_SPECIAL },
{ OP_CCLASS_MB_NOT, "cclass-mb-not", ARG_SPECIAL },
{ OP_CCLASS_MIX_NOT, "cclass-mix-not", ARG_SPECIAL },
#ifdef USE_OP_CCLASS_NODE
{ OP_CCLASS_NODE, "cclass-node", ARG_SPECIAL },
#endif
{ OP_ANYCHAR, "anychar", ARG_NON },
{ OP_ANYCHAR_ML, "anychar-ml", ARG_NON },
{ OP_ANYCHAR_STAR, "anychar*", ARG_NON },
{ OP_ANYCHAR_ML_STAR, "anychar-ml*", ARG_NON },
{ OP_ANYCHAR_STAR_PEEK_NEXT, "anychar*-peek-next", ARG_SPECIAL },
{ OP_ANYCHAR_ML_STAR_PEEK_NEXT, "anychar-ml*-peek-next", ARG_SPECIAL },
{ OP_WORD, "word", ARG_NON },
{ OP_WORD_ASCII, "word-ascii", ARG_NON },
{ OP_NO_WORD, "not-word", ARG_NON },
{ OP_NO_WORD_ASCII, "not-word-ascii", ARG_NON },
{ OP_WORD_BOUNDARY, "word-boundary", ARG_MODE },
{ OP_NO_WORD_BOUNDARY, "not-word-boundary", ARG_MODE },
{ OP_WORD_BEGIN, "word-begin", ARG_MODE },
{ OP_WORD_END, "word-end", ARG_MODE },
{ OP_EXTENDED_GRAPHEME_CLUSTER_BOUNDARY, "extended-grapheme-cluster-boundary", ARG_NON },
{ OP_NO_EXTENDED_GRAPHEME_CLUSTER_BOUNDARY, "no-extended-grapheme-cluster-boundary", ARG_NON },
{ OP_BEGIN_BUF, "begin-buf", ARG_NON },
{ OP_END_BUF, "end-buf", ARG_NON },
{ OP_BEGIN_LINE, "begin-line", ARG_NON },
{ OP_END_LINE, "end-line", ARG_NON },
{ OP_SEMI_END_BUF, "semi-end-buf", ARG_NON },
{ OP_BEGIN_POSITION, "begin-position", ARG_NON },
{ OP_BACKREF1, "backref1", ARG_NON },
{ OP_BACKREF2, "backref2", ARG_NON },
{ 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_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 },
{ OP_MEMORY_END_PUSH_REC, "mem-end-push-rec", ARG_MEMNUM },
{ OP_MEMORY_END, "mem-end", ARG_MEMNUM },
{ OP_MEMORY_END_REC, "mem-end-rec", ARG_MEMNUM },
{ OP_SET_OPTION_PUSH, "set-option-push", ARG_OPTION },
{ OP_SET_OPTION, "set-option", ARG_OPTION },
{ OP_FAIL, "fail", ARG_NON },
{ OP_JUMP, "jump", ARG_RELADDR },
{ OP_PUSH, "push", ARG_RELADDR },
{ OP_PUSH_SUPER, "push-super", ARG_RELADDR },
{ OP_POP_OUT, "pop-out", ARG_NON },
{ OP_PUSH_OR_JUMP_EXACT1, "push-or-jump-e1", ARG_SPECIAL },
{ OP_PUSH_IF_PEEK_NEXT, "push-if-peek-next", ARG_SPECIAL },
{ OP_REPEAT, "repeat", ARG_SPECIAL },
{ OP_REPEAT_NG, "repeat-ng", ARG_SPECIAL },
{ OP_REPEAT_INC, "repeat-inc", ARG_MEMNUM },
{ OP_REPEAT_INC_NG, "repeat-inc-ng", ARG_MEMNUM },
{ OP_REPEAT_INC_SG, "repeat-inc-sg", ARG_MEMNUM },
{ OP_REPEAT_INC_NG_SG, "repeat-inc-ng-sg", ARG_MEMNUM },
{ OP_EMPTY_CHECK_START, "empty-check-start", ARG_MEMNUM },
{ 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_PREC_READ_START, "push-pos", ARG_NON },
{ OP_PREC_READ_END, "pop-pos", ARG_NON },
{ OP_PREC_READ_NOT_START, "prec-read-not-start", ARG_RELADDR },
{ OP_PREC_READ_NOT_END, "prec-read-not-end", ARG_NON },
{ OP_ATOMIC_START, "atomic-start", ARG_NON },
{ OP_ATOMIC_END, "atomic-end", ARG_NON },
{ OP_LOOK_BEHIND, "look-behind", ARG_SPECIAL },
{ OP_LOOK_BEHIND_NOT_START, "look-behind-not-start", ARG_SPECIAL },
{ OP_LOOK_BEHIND_NOT_END, "look-behind-not-end", 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 },
#ifdef USE_CALLOUT
{ OP_CALLOUT_CONTENTS, "callout-contents", ARG_SPECIAL },
{ OP_CALLOUT_NAME, "callout-name", ARG_SPECIAL },
#endif
{ -1, "", ARG_NON }
};
static char*
op2name(int opcode)
{
int i;
for (i = 0; OpInfo[i].opcode >= 0; i++) {
if (opcode == OpInfo[i].opcode)
return OpInfo[i].name;
}
return "";
}
static int
op2arg_type(int opcode)
{
int i;
for (i = 0; OpInfo[i].opcode >= 0; i++) {
if (opcode == OpInfo[i].opcode)
return OpInfo[i].arg_type;
}
return ARG_SPECIAL;
}
static void
p_string(FILE* f, int len, UChar* s)
{
fputs(":", f);
while (len-- > 0) { fputc(*s++, f); }
}
static void
p_len_string(FILE* f, LengthType len, int mb_len, UChar* s)
{
int x = len * mb_len;
fprintf(f, ":%d:", len);
while (x-- > 0) { fputc(*s++, f); }
}
static void
p_rel_addr(FILE* f, RelAddrType rel_addr, UChar* p, UChar* start)
{
RelAddrType curr = (RelAddrType )(p - start);
fprintf(f, "{%d/%d}", rel_addr, curr + rel_addr);
}
static int
bitset_on_num(BitSetRef bs)
{
int i, n;
n = 0;
for (i = 0; i < SINGLE_BYTE_SIZE; i++) {
if (BITSET_AT(bs, i)) n++;
}
return n;
}
extern void
onig_print_compiled_byte_code(FILE* f, UChar* bp, UChar** nextp, UChar* start,
OnigEncoding enc)
{
int i, n;
OpArgType arg_type;
RelAddrType addr;
LengthType len;
MemNumType mem;
OnigCodePoint code;
OnigOptionType option;
ModeType mode;
UChar *q;
fprintf(f, "%s", op2name(*bp));
arg_type = op2arg_type(*bp);
if (arg_type != ARG_SPECIAL) {
bp++;
switch (arg_type) {
case ARG_NON:
break;
case ARG_RELADDR:
GET_RELADDR_INC(addr, bp);
fputc(':', f);
p_rel_addr(f, addr, bp, start);
break;
case ARG_ABSADDR:
GET_ABSADDR_INC(addr, bp);
fprintf(f, ":{/%d}", addr);
break;
case ARG_LENGTH:
GET_LENGTH_INC(len, bp);
fprintf(f, ":%d", len);
break;
case ARG_MEMNUM:
mem = *((MemNumType* )bp);
bp += SIZE_MEMNUM;
fprintf(f, ":%d", mem);
break;
case ARG_OPTION:
{
OnigOptionType option = *((OnigOptionType* )bp);
bp += SIZE_OPTION;
fprintf(f, ":%d", option);
}
break;
case ARG_MODE:
mode = *((ModeType* )bp);
bp += SIZE_MODE;
fprintf(f, ":%d", mode);
break;
default:
break;
}
}
else {
switch (*bp++) {
case OP_EXACT1:
case OP_ANYCHAR_STAR_PEEK_NEXT:
case OP_ANYCHAR_ML_STAR_PEEK_NEXT:
p_string(f, 1, bp++); break;
case OP_EXACT2:
p_string(f, 2, bp); bp += 2; break;
case OP_EXACT3:
p_string(f, 3, bp); bp += 3; break;
case OP_EXACT4:
p_string(f, 4, bp); bp += 4; break;
case OP_EXACT5:
p_string(f, 5, bp); bp += 5; break;
case OP_EXACTN:
GET_LENGTH_INC(len, bp);
p_len_string(f, len, 1, bp);
bp += len;
break;
case OP_EXACTMB2N1:
p_string(f, 2, bp); bp += 2; break;
case OP_EXACTMB2N2:
p_string(f, 4, bp); bp += 4; break;
case OP_EXACTMB2N3:
p_string(f, 6, bp); bp += 6; break;
case OP_EXACTMB2N:
GET_LENGTH_INC(len, bp);
p_len_string(f, len, 2, bp);
bp += len * 2;
break;
case OP_EXACTMB3N:
GET_LENGTH_INC(len, bp);
p_len_string(f, len, 3, bp);
bp += len * 3;
break;
case OP_EXACTMBN:
{
int mb_len;
GET_LENGTH_INC(mb_len, bp);
GET_LENGTH_INC(len, bp);
fprintf(f, ":%d:%d:", mb_len, len);
n = len * mb_len;
while (n-- > 0) { fputc(*bp++, f); }
}
break;
case OP_EXACT1_IC:
len = enclen(enc, bp);
p_string(f, len, bp);
bp += len;
break;
case OP_EXACTN_IC:
GET_LENGTH_INC(len, bp);
p_len_string(f, len, 1, bp);
bp += len;
break;
case OP_CCLASS:
n = bitset_on_num((BitSetRef )bp);
bp += SIZE_BITSET;
fprintf(f, ":%d", n);
break;
case OP_CCLASS_NOT:
n = bitset_on_num((BitSetRef )bp);
bp += SIZE_BITSET;
fprintf(f, ":%d", n);
break;
case OP_CCLASS_MB:
case OP_CCLASS_MB_NOT:
GET_LENGTH_INC(len, bp);
q = bp;
#ifndef PLATFORM_UNALIGNED_WORD_ACCESS
ALIGNMENT_RIGHT(q);
#endif
GET_CODE_POINT(code, q);
bp += len;
fprintf(f, ":%d:%d", (int )code, len);
break;
case OP_CCLASS_MIX:
case OP_CCLASS_MIX_NOT:
n = bitset_on_num((BitSetRef )bp);
bp += SIZE_BITSET;
GET_LENGTH_INC(len, bp);
q = bp;
#ifndef PLATFORM_UNALIGNED_WORD_ACCESS
ALIGNMENT_RIGHT(q);
#endif
GET_CODE_POINT(code, q);
bp += len;
fprintf(f, ":%d:%d:%d", n, (int )code, len);
break;
#ifdef USE_OP_CCLASS_NODE
case OP_CCLASS_NODE:
{
CClassNode *cc;
GET_POINTER_INC(cc, bp);
n = bitset_on_num(cc->bs);
fprintf(f, ":%p:%d", cc, n);
}
break;
#endif
case OP_BACKREF_N_IC:
mem = *((MemNumType* )bp);
bp += SIZE_MEMNUM;
fprintf(f, ":%d", mem);
break;
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++) {
GET_MEMNUM_INC(mem, bp);
if (i > 0) fputs(", ", f);
fprintf(f, "%d", mem);
}
break;
case OP_BACKREF_WITH_LEVEL:
GET_OPTION_INC(option, bp);
fprintf(f, ":%d", option);
/* fall */
case OP_BACKREF_CHECK_WITH_LEVEL:
{
LengthType level;
GET_LENGTH_INC(level, bp);
fprintf(f, ":%d", level);
fputs(" ", f);
GET_LENGTH_INC(len, bp);
for (i = 0; i < len; i++) {
GET_MEMNUM_INC(mem, bp);
if (i > 0) fputs(", ", f);
fprintf(f, "%d", mem);
}
}
break;
case OP_REPEAT:
case OP_REPEAT_NG:
{
mem = *((MemNumType* )bp);
bp += SIZE_MEMNUM;
addr = *((RelAddrType* )bp);
bp += SIZE_RELADDR;
fprintf(f, ":%d:%d", mem, addr);
}
break;
case OP_PUSH_OR_JUMP_EXACT1:
case OP_PUSH_IF_PEEK_NEXT:
addr = *((RelAddrType* )bp);
bp += SIZE_RELADDR;
fputc(':', f);
p_rel_addr(f, addr, bp, start);
p_string(f, 1, bp);
bp += 1;
break;
case OP_LOOK_BEHIND:
GET_LENGTH_INC(len, bp);
fprintf(f, ":%d", len);
break;
case OP_LOOK_BEHIND_NOT_START:
GET_RELADDR_INC(addr, bp);
GET_LENGTH_INC(len, bp);
fprintf(f, ":%d:", len);
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;
#ifdef USE_CALLOUT
case OP_CALLOUT_CONTENTS:
{
GET_MEMNUM_INC(mem, bp); /* number */
fprintf(f, ":%d", mem);
}
break;
case OP_CALLOUT_NAME:
{
int id;
GET_MEMNUM_INC(id, bp); /* id */
GET_MEMNUM_INC(mem, bp); /* number */
fprintf(f, ":%d:%d", id, mem);
}
break;
#endif
default:
fprintf(stderr, "onig_print_compiled_byte_code: undefined code %d\n", *--bp);
}
}
if (nextp) *nextp = bp;
}
#endif /* ONIG_DEBUG */
#ifdef ONIG_DEBUG_COMPILE
extern void
onig_print_compiled_byte_code_list(FILE* f, regex_t* reg)
{
UChar* bp;
UChar* start = reg->p;
UChar* end = reg->p + reg->used;
fprintf(f, "bt_mem_start: 0x%x, bt_mem_end: 0x%x\n",
reg->bt_mem_start, reg->bt_mem_end);
fprintf(f, "code-length: %d\n", reg->used);
bp = start;
while (bp < end) {
int pos = bp - start;
fprintf(f, "%4d: ", pos);
onig_print_compiled_byte_code(f, bp, &bp, start, reg->enc);
fprintf(f, "\n");
}
fprintf(f, "\n");
}
#endif
#ifdef USE_CAPTURE_HISTORY
static void history_tree_free(OnigCaptureTreeNode* node);
static void
history_tree_clear(OnigCaptureTreeNode* node)
{
int i;
if (IS_NOT_NULL(node)) {
for (i = 0; i < node->num_childs; i++) {
if (IS_NOT_NULL(node->childs[i])) {
history_tree_free(node->childs[i]);
}
}
for (i = 0; i < node->allocated; i++) {
node->childs[i] = (OnigCaptureTreeNode* )0;
}
node->num_childs = 0;
node->beg = ONIG_REGION_NOTPOS;
node->end = ONIG_REGION_NOTPOS;
node->group = -1;
}
}
static void
history_tree_free(OnigCaptureTreeNode* node)
{
history_tree_clear(node);
xfree(node);
}
static void
history_root_free(OnigRegion* r)
{
if (IS_NOT_NULL(r->history_root)) {
history_tree_free(r->history_root);
r->history_root = (OnigCaptureTreeNode* )0;
}
}
static OnigCaptureTreeNode*
history_node_new(void)
{
OnigCaptureTreeNode* node;
node = (OnigCaptureTreeNode* )xmalloc(sizeof(OnigCaptureTreeNode));
CHECK_NULL_RETURN(node);
node->childs = (OnigCaptureTreeNode** )0;
node->allocated = 0;
node->num_childs = 0;
node->group = -1;
node->beg = ONIG_REGION_NOTPOS;
node->end = ONIG_REGION_NOTPOS;
return node;
}
static int
history_tree_add_child(OnigCaptureTreeNode* parent, OnigCaptureTreeNode* child)
{
#define HISTORY_TREE_INIT_ALLOC_SIZE 8
if (parent->num_childs >= parent->allocated) {
int n, i;
if (IS_NULL(parent->childs)) {
n = HISTORY_TREE_INIT_ALLOC_SIZE;
parent->childs =
(OnigCaptureTreeNode** )xmalloc(sizeof(OnigCaptureTreeNode*) * n);
}
else {
n = parent->allocated * 2;
parent->childs =
(OnigCaptureTreeNode** )xrealloc(parent->childs,
sizeof(OnigCaptureTreeNode*) * n);
}
CHECK_NULL_RETURN_MEMERR(parent->childs);
for (i = parent->allocated; i < n; i++) {
parent->childs[i] = (OnigCaptureTreeNode* )0;
}
parent->allocated = n;
}
parent->childs[parent->num_childs] = child;
parent->num_childs++;
return 0;
}
static OnigCaptureTreeNode*
history_tree_clone(OnigCaptureTreeNode* node)
{
int i;
OnigCaptureTreeNode *clone, *child;
clone = history_node_new();
CHECK_NULL_RETURN(clone);
clone->beg = node->beg;
clone->end = node->end;
for (i = 0; i < node->num_childs; i++) {
child = history_tree_clone(node->childs[i]);
if (IS_NULL(child)) {
history_tree_free(clone);
return (OnigCaptureTreeNode* )0;
}
history_tree_add_child(clone, child);
}
return clone;
}
extern OnigCaptureTreeNode*
onig_get_capture_tree(OnigRegion* region)
{
return region->history_root;
}
#endif /* USE_CAPTURE_HISTORY */
extern void
onig_region_clear(OnigRegion* region)
{
int i;
for (i = 0; i < region->num_regs; i++) {
region->beg[i] = region->end[i] = ONIG_REGION_NOTPOS;
}
#ifdef USE_CAPTURE_HISTORY
history_root_free(region);
#endif
}
extern int
onig_region_resize(OnigRegion* region, int n)
{
region->num_regs = n;
if (n < ONIG_NREGION)
n = ONIG_NREGION;
if (region->allocated == 0) {
region->beg = (int* )xmalloc(n * sizeof(int));
region->end = (int* )xmalloc(n * sizeof(int));
if (region->beg == 0 || region->end == 0)
return ONIGERR_MEMORY;
region->allocated = n;
}
else if (region->allocated < n) {
region->beg = (int* )xrealloc(region->beg, n * sizeof(int));
region->end = (int* )xrealloc(region->end, n * sizeof(int));
if (region->beg == 0 || region->end == 0)
return ONIGERR_MEMORY;
region->allocated = n;
}
return 0;
}
static int
onig_region_resize_clear(OnigRegion* region, int n)
{
int r;
r = onig_region_resize(region, n);
if (r != 0) return r;
onig_region_clear(region);
return 0;
}
extern int
onig_region_set(OnigRegion* region, int at, int beg, int end)
{
if (at < 0) return ONIGERR_INVALID_ARGUMENT;
if (at >= region->allocated) {
int r = onig_region_resize(region, at + 1);
if (r < 0) return r;
}
region->beg[at] = beg;
region->end[at] = end;
return 0;
}
extern void
onig_region_init(OnigRegion* region)
{
region->num_regs = 0;
region->allocated = 0;
region->beg = (int* )0;
region->end = (int* )0;
region->history_root = (OnigCaptureTreeNode* )0;
}
extern OnigRegion*
onig_region_new(void)
{
OnigRegion* r;
r = (OnigRegion* )xmalloc(sizeof(OnigRegion));
CHECK_NULL_RETURN(r);
onig_region_init(r);
return r;
}
extern void
onig_region_free(OnigRegion* r, int free_self)
{
if (r != 0) {
if (r->allocated > 0) {
if (r->beg) xfree(r->beg);
if (r->end) xfree(r->end);
r->allocated = 0;
}
#ifdef USE_CAPTURE_HISTORY
history_root_free(r);
#endif
if (free_self) xfree(r);
}
}
extern void
onig_region_copy(OnigRegion* to, OnigRegion* from)
{
#define RREGC_SIZE (sizeof(int) * from->num_regs)
int i;
if (to == from) return;
if (to->allocated == 0) {
if (from->num_regs > 0) {
to->beg = (int* )xmalloc(RREGC_SIZE);
if (IS_NULL(to->beg)) return;
to->end = (int* )xmalloc(RREGC_SIZE);
if (IS_NULL(to->end)) return;
to->allocated = from->num_regs;
}
}
else if (to->allocated < from->num_regs) {
to->beg = (int* )xrealloc(to->beg, RREGC_SIZE);
if (IS_NULL(to->beg)) return;
to->end = (int* )xrealloc(to->end, RREGC_SIZE);
if (IS_NULL(to->end)) return;
to->allocated = from->num_regs;
}
for (i = 0; i < from->num_regs; i++) {
to->beg[i] = from->beg[i];
to->end[i] = from->end[i];
}
to->num_regs = from->num_regs;
#ifdef USE_CAPTURE_HISTORY
history_root_free(to);
if (IS_NOT_NULL(from->history_root)) {
to->history_root = history_tree_clone(from->history_root);
}
#endif
}
#ifdef USE_CALLOUT
#define CALLOUT_BODY(func, ain, aname_id, anum, user, args, result) do { \
args.in = (ain);\
args.name_id = (aname_id);\
args.num = anum;\
args.regex = reg;\
args.string = str;\
args.string_end = end;\
args.start = sstart;\
args.right_range = right_range;\
args.current = s;\
args.retry_in_match_counter = retry_in_match_counter;\
args.msa = msa;\
args.stk_base = stk_base;\
args.stk = stk;\
args.mem_start_stk = mem_start_stk;\
args.mem_end_stk = mem_end_stk;\
result = (func)(&args, user);\
} while (0)
#define RETRACTION_CALLOUT(func, aname_id, anum, user) do {\
int result;\
OnigCalloutArgs args;\
CALLOUT_BODY(func, ONIG_CALLOUT_IN_RETRACTION, aname_id, anum, user, args, result);\
switch (result) {\
case ONIG_CALLOUT_FAIL:\
case ONIG_CALLOUT_SUCCESS:\
break;\
default:\
if (result > 0) {\
result = ONIGERR_INVALID_ARGUMENT;\
}\
best_len = result;\
goto finish;\
break;\
}\
} while(0)
#endif
/** stack **/
#define INVALID_STACK_INDEX -1
#define STK_ALT_FLAG 0x0001
/* stack type */
/* used by normal-POP */
#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 0x0010
#define STK_MEM_END 0x8030
#define STK_REPEAT_INC 0x0050
#ifdef USE_CALLOUT
#define STK_CALLOUT 0x0070
#endif
/* 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 0x8100
#define STK_TO_VOID_START 0x1200 /* mark for "(?>...)" */
#define STK_REPEAT 0x0300
#define STK_CALL_FRAME 0x0400
#define STK_RETURN 0x0500
#define STK_SAVE_VAL 0x0600
/* stack type check mask */
#define STK_MASK_POP_USED STK_ALT_FLAG
#define STK_MASK_POP_HANDLED 0x0010
#define STK_MASK_POP_HANDLED_TIL (STK_MASK_POP_HANDLED | 0x0004)
#define STK_MASK_TO_VOID_TARGET 0x100e
#define STK_MASK_MEM_END_OR_MARK 0x8000 /* MEM_END or MEM_END_MARK */
typedef intptr_t StackIndex;
typedef struct _StackType {
unsigned int type;
int zid;
union {
struct {
UChar *pcode; /* byte code position */
UChar *pstr; /* string position */
UChar *pstr_prev; /* previous char position of pstr */
} state;
struct {
int count; /* for OP_REPEAT_INC, OP_REPEAT_INC_NG */
UChar *pcode; /* byte code position (head of repeated target) */
} repeat;
struct {
StackIndex si; /* index of stack */
} repeat_inc;
struct {
UChar *pstr; /* start/end position */
/* Following information is set, if this stack type is MEM-START */
StackIndex prev_start; /* prev. info (for backtrack "(...)*" ) */
StackIndex prev_end; /* prev. info (for backtrack "(...)*" ) */
} mem;
struct {
UChar *pstr; /* start position */
} empty_check;
#ifdef USE_CALL
struct {
UChar *ret_addr; /* byte code position */
UChar *pstr; /* string position */
} call_frame;
#endif
struct {
enum SaveType type;
UChar* v;
UChar* v2;
} val;
#ifdef USE_CALLOUT
struct {
int num;
OnigCalloutFunc func;
} callout;
#endif
} u;
} StackType;
#ifdef USE_CALLOUT
struct OnigCalloutArgsStruct {
OnigCalloutIn in;
int name_id; /* name id or ONIG_NON_NAME_ID */
int num;
OnigRegex regex;
const OnigUChar* string;
const OnigUChar* string_end;
const OnigUChar* start;
const OnigUChar* right_range;
const OnigUChar* current; /* current matching position */
unsigned long retry_in_match_counter;
/* invisible to users */
MatchArg* msa;
StackType* stk_base;
StackType* stk;
StackIndex* mem_start_stk;
StackIndex* mem_end_stk;
};
#endif
#ifdef USE_FIND_LONGEST_SEARCH_ALL_OF_RANGE
#define MATCH_ARG_INIT(msa, reg, arg_option, arg_region, arg_start, mp) do { \
(msa).stack_p = (void* )0;\
(msa).options = (arg_option);\
(msa).region = (arg_region);\
(msa).start = (arg_start);\
(msa).match_stack_limit = (mp)->match_stack_limit;\
(msa).retry_limit_in_match = (mp)->retry_limit_in_match;\
(msa).mp = mp;\
(msa).best_len = ONIG_MISMATCH;\
(msa).ptr_num = (reg)->num_repeat + ((reg)->num_mem + 1) * 2; \
} while(0)
#else
#define MATCH_ARG_INIT(msa, reg, arg_option, arg_region, arg_start, mp) do { \
(msa).stack_p = (void* )0;\
(msa).options = (arg_option);\
(msa).region = (arg_region);\
(msa).start = (arg_start);\
(msa).match_stack_limit = (mp)->match_stack_limit;\
(msa).retry_limit_in_match = (mp)->retry_limit_in_match;\
(msa).mp = mp;\
(msa).ptr_num = (reg)->num_repeat + ((reg)->num_mem + 1) * 2; \
} while(0)
#endif
#define MATCH_ARG_FREE(msa) if ((msa).stack_p) xfree((msa).stack_p)
#define ALLOCA_PTR_NUM_LIMIT 50
#define STACK_INIT(stack_num) do {\
if (msa->stack_p) {\
is_alloca = 0;\
alloc_base = msa->stack_p;\
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(StackIndex) * msa->ptr_num\
+ sizeof(StackType) * (stack_num));\
CHECK_NULL_RETURN_MEMERR(alloc_base);\
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(StackIndex) * msa->ptr_num\
+ sizeof(StackType) * (stack_num));\
CHECK_NULL_RETURN_MEMERR(alloc_base);\
stk_base = (StackType* )(alloc_base\
+ (sizeof(StackIndex) * msa->ptr_num));\
stk = stk_base;\
stk_end = stk_base + (stack_num);\
}\
} while(0);
#define STACK_SAVE do{\
msa->stack_n = (int )(stk_end - stk_base);\
if (is_alloca != 0) {\
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);\
}\
else {\
msa->stack_p = alloc_base;\
};\
} while(0)
#define UPDATE_FOR_STACK_REALLOC do{\
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)
static unsigned int MatchStackLimit = DEFAULT_MATCH_STACK_LIMIT_SIZE;
extern unsigned int
onig_get_match_stack_limit_size(void)
{
return MatchStackLimit;
}
extern int
onig_set_match_stack_limit_size(unsigned int size)
{
MatchStackLimit = size;
return 0;
}
#ifdef USE_RETRY_LIMIT_IN_MATCH
static unsigned long RetryLimitInMatch = DEFAULT_RETRY_LIMIT_IN_MATCH;
#define CHECK_RETRY_LIMIT_IN_MATCH do {\
if (retry_in_match_counter++ > retry_limit_in_match) goto retry_limit_in_match_over;\
} while (0)
#else
#define CHECK_RETRY_LIMIT_IN_MATCH
#endif /* USE_RETRY_LIMIT_IN_MATCH */
extern unsigned long
onig_get_retry_limit_in_match(void)
{
#ifdef USE_RETRY_LIMIT_IN_MATCH
return RetryLimitInMatch;
#else
/* return ONIG_NO_SUPPORT_CONFIG; */
return 0;
#endif
}
extern int
onig_set_retry_limit_in_match(unsigned long size)
{
#ifdef USE_RETRY_LIMIT_IN_MATCH
RetryLimitInMatch = size;
return 0;
#else
return ONIG_NO_SUPPORT_CONFIG;
#endif
}
static OnigCalloutFunc DefaultProgressCallout;
static OnigCalloutFunc DefaultRetractionCallout;
extern OnigMatchParam*
onig_new_match_param(void)
{
OnigMatchParam* p;
p = (OnigMatchParam* )xmalloc(sizeof(*p));
if (IS_NOT_NULL(p)) {
onig_initialize_match_param(p);
}
return p;
}
extern void
onig_free_match_param_content(OnigMatchParam* p)
{
#ifdef USE_CALLOUT
if (IS_NOT_NULL(p->callout_data)) {
xfree(p->callout_data);
p->callout_data = 0;
}
#endif
}
extern void
onig_free_match_param(OnigMatchParam* p)
{
if (IS_NOT_NULL(p)) {
onig_free_match_param_content(p);
xfree(p);
}
}
extern int
onig_initialize_match_param(OnigMatchParam* mp)
{
mp->match_stack_limit = MatchStackLimit;
#ifdef USE_RETRY_LIMIT_IN_MATCH
mp->retry_limit_in_match = RetryLimitInMatch;
#endif
mp->progress_callout_of_contents = DefaultProgressCallout;
mp->retraction_callout_of_contents = DefaultRetractionCallout;
#ifdef USE_CALLOUT
mp->match_at_call_counter = 0;
mp->callout_user_data = 0;
mp->callout_data = 0;
mp->callout_data_alloc_num = 0;
#endif
return ONIG_NORMAL;
}
#ifdef USE_CALLOUT
static int
adjust_match_param(regex_t* reg, OnigMatchParam* mp)
{
RegexExt* ext = REG_EXTP(reg);
mp->match_at_call_counter = 0;
if (IS_NULL(ext) || ext->callout_num == 0) return ONIG_NORMAL;
if (ext->callout_num > mp->callout_data_alloc_num) {
CalloutData* d;
size_t n = ext->callout_num * sizeof(*d);
if (IS_NOT_NULL(mp->callout_data))
d = (CalloutData* )xrealloc(mp->callout_data, n);
else
d = (CalloutData* )xmalloc(n);
CHECK_NULL_RETURN_MEMERR(d);
mp->callout_data = d;
mp->callout_data_alloc_num = ext->callout_num;
}
xmemset(mp->callout_data, 0, mp->callout_data_alloc_num * sizeof(CalloutData));
return ONIG_NORMAL;
}
#define ADJUST_MATCH_PARAM(reg, mp) \
r = adjust_match_param(reg, mp);\
if (r != ONIG_NORMAL) return r;
#define CALLOUT_DATA_AT_NUM(mp, num) ((mp)->callout_data + ((num) - 1))
extern int
onig_check_callout_data_and_clear_old_values(OnigCalloutArgs* args)
{
OnigMatchParam* mp;
int num;
CalloutData* d;
mp = args->msa->mp;
num = args->num;
d = CALLOUT_DATA_AT_NUM(mp, num);
if (d->last_match_at_call_counter != mp->match_at_call_counter) {
xmemset(d, 0, sizeof(*d));
d->last_match_at_call_counter = mp->match_at_call_counter;
return d->last_match_at_call_counter;
}
return 0;
}
extern int
onig_get_callout_data_dont_clear_old(regex_t* reg, OnigMatchParam* mp,
int callout_num, int slot,
OnigType* type, OnigValue* val)
{
OnigType t;
CalloutData* d;
if (callout_num <= 0) return ONIGERR_INVALID_ARGUMENT;
d = CALLOUT_DATA_AT_NUM(mp, callout_num);
t = d->slot[slot].type;
if (IS_NOT_NULL(type)) *type = t;
if (IS_NOT_NULL(val)) *val = d->slot[slot].val;
return (t == ONIG_TYPE_VOID ? 1 : ONIG_NORMAL);
}
extern int
onig_get_callout_data_by_callout_args_self_dont_clear_old(OnigCalloutArgs* args,
int slot, OnigType* type,
OnigValue* val)
{
return onig_get_callout_data_dont_clear_old(args->regex, args->msa->mp,
args->num, slot, type, val);
}
extern int
onig_get_callout_data(regex_t* reg, OnigMatchParam* mp,
int callout_num, int slot,
OnigType* type, OnigValue* val)
{
OnigType t;
CalloutData* d;
if (callout_num <= 0) return ONIGERR_INVALID_ARGUMENT;
d = CALLOUT_DATA_AT_NUM(mp, callout_num);
if (d->last_match_at_call_counter != mp->match_at_call_counter) {
xmemset(d, 0, sizeof(*d));
d->last_match_at_call_counter = mp->match_at_call_counter;
}
t = d->slot[slot].type;
if (IS_NOT_NULL(type)) *type = t;
if (IS_NOT_NULL(val)) *val = d->slot[slot].val;
return (t == ONIG_TYPE_VOID ? 1 : ONIG_NORMAL);
}
extern int
onig_get_callout_data_by_tag(regex_t* reg, OnigMatchParam* mp,
const UChar* tag, const UChar* tag_end, int slot,
OnigType* type, OnigValue* val)
{
int num;
num = onig_get_callout_num_by_tag(reg, tag, tag_end);
if (num < 0) return num;
if (num == 0) return ONIGERR_INVALID_CALLOUT_TAG_NAME;
return onig_get_callout_data(reg, mp, num, slot, type, val);
}
extern int
onig_get_callout_data_by_callout_args(OnigCalloutArgs* args,
int callout_num, int slot,
OnigType* type, OnigValue* val)
{
return onig_get_callout_data(args->regex, args->msa->mp, callout_num, slot,
type, val);
}
extern int
onig_get_callout_data_by_callout_args_self(OnigCalloutArgs* args,
int slot, OnigType* type, OnigValue* val)
{
return onig_get_callout_data(args->regex, args->msa->mp, args->num, slot,
type, val);
}
extern int
onig_set_callout_data(regex_t* reg, OnigMatchParam* mp,
int callout_num, int slot,
OnigType type, OnigValue* val)
{
CalloutData* d;
if (callout_num <= 0) return ONIGERR_INVALID_ARGUMENT;
d = CALLOUT_DATA_AT_NUM(mp, callout_num);
d->slot[slot].type = type;
d->slot[slot].val = *val;
d->last_match_at_call_counter = mp->match_at_call_counter;
return ONIG_NORMAL;
}
extern int
onig_set_callout_data_by_tag(regex_t* reg, OnigMatchParam* mp,
const UChar* tag, const UChar* tag_end, int slot,
OnigType type, OnigValue* val)
{
int num;
num = onig_get_callout_num_by_tag(reg, tag, tag_end);
if (num < 0) return num;
if (num == 0) return ONIGERR_INVALID_CALLOUT_TAG_NAME;
return onig_set_callout_data(reg, mp, num, slot, type, val);
}
extern int
onig_set_callout_data_by_callout_args(OnigCalloutArgs* args,
int callout_num, int slot,
OnigType type, OnigValue* val)
{
return onig_set_callout_data(args->regex, args->msa->mp, callout_num, slot,
type, val);
}
extern int
onig_set_callout_data_by_callout_args_self(OnigCalloutArgs* args,
int slot, OnigType type, OnigValue* val)
{
return onig_set_callout_data(args->regex, args->msa->mp, args->num, slot,
type, val);
}
#else
#define ADJUST_MATCH_PARAM(reg, mp)
#endif /* USE_CALLOUT */
static int
stack_double(int is_alloca, char** arg_alloc_base,
StackType** arg_stk_base, StackType** arg_stk_end, StackType** arg_stk,
MatchArg* msa)
{
unsigned int n;
int used;
size_t size;
size_t new_size;
char* alloc_base;
char* new_alloc_base;
StackType *stk_base, *stk_end, *stk;
alloc_base = *arg_alloc_base;
stk_base = *arg_stk_base;
stk_end = *arg_stk_end;
stk = *arg_stk;
n = (unsigned int )(stk_end - stk_base);
size = sizeof(StackIndex) * msa->ptr_num + sizeof(StackType) * n;
n *= 2;
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)) {
STACK_SAVE;
return ONIGERR_MEMORY;
}
xmemcpy(new_alloc_base, alloc_base, size);
}
else {
if (msa->match_stack_limit != 0 && n > msa->match_stack_limit) {
if ((unsigned int )(stk_end - stk_base) == msa->match_stack_limit)
return ONIGERR_MATCH_STACK_LIMIT_OVER;
else
n = msa->match_stack_limit;
}
new_alloc_base = (char* )xrealloc(alloc_base, new_size);
if (IS_NULL(new_alloc_base)) {
STACK_SAVE;
return ONIGERR_MEMORY;
}
}
alloc_base = new_alloc_base;
used = (int )(stk - stk_base);
*arg_alloc_base = alloc_base;
*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;
}
#define STACK_ENSURE(n) do {\
if ((int )(stk_end - stk) < (n)) {\
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;\
}\
} while(0)
#define STACK_AT(index) (stk_base + (index))
#define GET_STACK_INDEX(stk) ((stk) - stk_base)
#define STACK_PUSH_TYPE(stack_type) do {\
STACK_ENSURE(1);\
stk->type = (stack_type);\
STACK_INC;\
} while(0)
#define IS_TO_VOID_TARGET(stk) (((stk)->type & STK_MASK_TO_VOID_TARGET) != 0)
#define STACK_PUSH(stack_type,pat,s,sprev) do {\
STACK_ENSURE(1);\
stk->type = (stack_type);\
stk->u.state.pcode = (pat);\
stk->u.state.pstr = (s);\
stk->u.state.pstr_prev = (sprev);\
STACK_INC;\
} while(0)
#define STACK_PUSH_ENSURED(stack_type,pat) do {\
stk->type = (stack_type);\
stk->u.state.pcode = (pat);\
STACK_INC;\
} while(0)
#ifdef ONIG_DEBUG_MATCH
#define STACK_PUSH_BOTTOM(stack_type,pat) do {\
stk->type = (stack_type);\
stk->u.state.pcode = (pat);\
stk->u.state.pstr = s;\
stk->u.state.pstr_prev = sprev;\
STACK_INC;\
} while (0)
#else
#define STACK_PUSH_BOTTOM(stack_type,pat) do {\
stk->type = (stack_type);\
stk->u.state.pcode = (pat);\
STACK_INC;\
} while (0)
#endif
#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_TO_VOID_START,NULL_UCHARP,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_TO_VOID_START STACK_PUSH_TYPE(STK_TO_VOID_START)
#define STACK_PUSH_ALT_LOOK_BEHIND_NOT(pat,s,sprev) \
STACK_PUSH(STK_ALT_LOOK_BEHIND_NOT,pat,s,sprev)
#define STACK_PUSH_REPEAT(sid, pat) do {\
STACK_ENSURE(1);\
stk->type = STK_REPEAT;\
stk->zid = (sid);\
stk->u.repeat.pcode = (pat);\
stk->u.repeat.count = 0;\
STACK_INC;\
} while(0)
#define STACK_PUSH_REPEAT_INC(sindex) do {\
STACK_ENSURE(1);\
stk->type = STK_REPEAT_INC;\
stk->u.repeat_inc.si = (sindex);\
STACK_INC;\
} while(0)
#define STACK_PUSH_MEM_START(mnum, s) do {\
STACK_ENSURE(1);\
stk->type = STK_MEM_START;\
stk->zid = (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_start_stk[mnum] = GET_STACK_INDEX(stk);\
mem_end_stk[mnum] = INVALID_STACK_INDEX;\
STACK_INC;\
} while(0)
#define STACK_PUSH_MEM_END(mnum, s) do {\
STACK_ENSURE(1);\
stk->type = STK_MEM_END;\
stk->zid = (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)
#define STACK_PUSH_MEM_END_MARK(mnum) do {\
STACK_ENSURE(1);\
stk->type = STK_MEM_END_MARK;\
stk->zid = (mnum);\
STACK_INC;\
} while(0)
#define STACK_GET_MEM_START(mnum, k) do {\
int level = 0;\
k = stk;\
while (k > stk_base) {\
k--;\
if ((k->type & STK_MASK_MEM_END_OR_MARK) != 0 \
&& k->zid == (mnum)) {\
level++;\
}\
else if (k->type == STK_MEM_START && k->zid == (mnum)) {\
if (level == 0) break;\
level--;\
}\
}\
} while(0)
#define STACK_GET_MEM_RANGE(k, mnum, start, end) do {\
int level = 0;\
while (k < stk) {\
if (k->type == STK_MEM_START && k->u.mem.num == (mnum)) {\
if (level == 0) (start) = k->u.mem.pstr;\
level++;\
}\
else if (k->type == STK_MEM_END && k->u.mem.num == (mnum)) {\
level--;\
if (level == 0) {\
(end) = k->u.mem.pstr;\
break;\
}\
}\
k++;\
}\
} while(0)
#define STACK_PUSH_EMPTY_CHECK_START(cnum, s) do {\
STACK_ENSURE(1);\
stk->type = STK_EMPTY_CHECK_START;\
stk->zid = (cnum);\
stk->u.empty_check.pstr = (s);\
STACK_INC;\
} while(0)
#define STACK_PUSH_EMPTY_CHECK_END(cnum) do {\
STACK_ENSURE(1);\
stk->type = STK_EMPTY_CHECK_END;\
stk->zid = (cnum);\
STACK_INC;\
} while(0)
#define STACK_PUSH_CALL_FRAME(pat) do {\
STACK_ENSURE(1);\
stk->type = STK_CALL_FRAME;\
stk->u.call_frame.ret_addr = (pat);\
STACK_INC;\
} while(0)
#define STACK_PUSH_RETURN do {\
STACK_ENSURE(1);\
stk->type = STK_RETURN;\
STACK_INC;\
} while(0)
#define STACK_PUSH_SAVE_VAL(sid, stype, sval) do {\
STACK_ENSURE(1);\
stk->type = STK_SAVE_VAL;\
stk->zid = (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->zid = (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->zid == (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->zid == (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)
#define STACK_PUSH_CALLOUT_CONTENTS(anum, func) do {\
STACK_ENSURE(1);\
stk->type = STK_CALLOUT;\
stk->zid = ONIG_NON_NAME_ID;\
stk->u.callout.num = (anum);\
stk->u.callout.func = (func);\
STACK_INC;\
} while(0)
#define STACK_PUSH_CALLOUT_NAME(aid, anum, func) do {\
STACK_ENSURE(1);\
stk->type = STK_CALLOUT;\
stk->zid = (aid);\
stk->u.callout.num = (anum);\
stk->u.callout.func = (func);\
STACK_INC;\
} while(0)
#ifdef ONIG_DEBUG
#define STACK_BASE_CHECK(p, at) \
if ((p) < stk_base) {\
fprintf(stderr, "at %s\n", at);\
goto stack_error;\
}
#else
#define STACK_BASE_CHECK(p, at)
#endif
#define STACK_POP_ONE do {\
stk--;\
STACK_BASE_CHECK(stk, "STACK_POP_ONE"); \
} while(0)
#ifdef USE_CALLOUT
#define POP_CALLOUT_CASE \
else if (stk->type == STK_CALLOUT) {\
RETRACTION_CALLOUT(stk->u.callout.func, stk->zid, stk->u.callout.num, msa->mp->callout_user_data);\
}
#else
#define POP_CALLOUT_CASE
#endif
#define STACK_POP do {\
switch (pop_level) {\
case STACK_POP_LEVEL_FREE:\
while (1) {\
stk--;\
STACK_BASE_CHECK(stk, "STACK_POP"); \
if ((stk->type & STK_MASK_POP_USED) != 0) break;\
}\
break;\
case STACK_POP_LEVEL_MEM_START:\
while (1) {\
stk--;\
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.prev_start;\
mem_end_stk[stk->zid] = stk->u.mem.prev_end;\
}\
}\
break;\
default:\
while (1) {\
stk--;\
STACK_BASE_CHECK(stk, "STACK_POP 3"); \
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.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.prev_start;\
mem_end_stk[stk->zid] = stk->u.mem.prev_end;\
}\
POP_CALLOUT_CASE\
}\
}\
break;\
}\
} while(0)
#define POP_TIL_BODY(aname, til_type) do {\
while (1) {\
stk--;\
STACK_BASE_CHECK(stk, (aname));\
if ((stk->type & STK_MASK_POP_HANDLED_TIL) != 0) {\
if (stk->type == (til_type)) break;\
else {\
if (stk->type == STK_MEM_START) {\
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.prev_start;\
mem_end_stk[stk->zid] = stk->u.mem.prev_end;\
}\
/* Don't call callout here because negation of total success by (?!..) (?<!..) */\
}\
}\
}\
} while(0)
#define STACK_POP_TIL_ALT_PREC_READ_NOT do {\
POP_TIL_BODY("STACK_POP_TIL_ALT_PREC_READ_NOT", STK_ALT_PREC_READ_NOT);\
} while(0)
#define STACK_POP_TIL_ALT_LOOK_BEHIND_NOT do {\
POP_TIL_BODY("STACK_POP_TIL_ALT_LOOK_BEHIND_NOT", STK_ALT_LOOK_BEHIND_NOT);\
} while(0)
#define STACK_EXEC_TO_VOID(k) do {\
k = stk;\
while (1) {\
k--;\
STACK_BASE_CHECK(k, "STACK_EXEC_TO_VOID"); \
if (IS_TO_VOID_TARGET(k)) {\
if (k->type == STK_TO_VOID_START) {\
k->type = STK_VOID;\
break;\
}\
k->type = STK_VOID;\
}\
}\
} while(0)
#define STACK_EMPTY_CHECK(isnull,sid,s) do {\
StackType* k = stk;\
while (1) {\
k--;\
STACK_BASE_CHECK(k, "STACK_EMPTY_CHECK"); \
if (k->type == STK_EMPTY_CHECK_START) {\
if (k->zid == (sid)) {\
(isnull) = (k->u.empty_check.pstr == (s));\
break;\
}\
}\
}\
} while(0)
#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_MEM"); \
if (k->type == STK_EMPTY_CHECK_START) {\
if (k->zid == (sid)) {\
if (k->u.empty_check.pstr != (s)) {\
(isnull) = 0;\
break;\
}\
else {\
UChar* endp;\
(isnull) = 1;\
while (k < stk) {\
if (k->type == STK_MEM_START) {\
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 */ \
}\
}\
k++;\
}\
break;\
}\
}\
}\
}\
} while(0)
#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_MEM_REC");\
if (k->type == STK_EMPTY_CHECK_START) {\
if (k->zid == (sid)) {\
if (level == 0) {\
if (k->u.empty_check.pstr != (s)) {\
(isnull) = 0;\
break;\
}\
else {\
UChar* endp;\
(isnull) = 1;\
while (k < stk) {\
if (k->type == STK_MEM_START) {\
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;\
}\
}\
else {\
level--;\
}\
}\
}\
else if (k->type == STK_EMPTY_CHECK_END) {\
if (k->zid == (sid)) level++;\
}\
}\
} while(0)
#else
#define STACK_EMPTY_CHECK_REC(isnull,id,s) do {\
int level = 0;\
StackType* k = stk;\
while (1) {\
k--;\
STACK_BASE_CHECK(k, "STACK_EMPTY_CHECK_REC"); \
if (k->type == STK_EMPTY_CHECK_START) {\
if (k->u.empty_check.num == (id)) {\
if (level == 0) {\
(isnull) = (k->u.empty_check.pstr == (s));\
break;\
}\
}\
level--;\
}\
else if (k->type == STK_EMPTY_CHECK_END) {\
level++;\
}\
}\
} while(0)
#endif /* USE_INSISTENT_CHECK_CAPTURES_IN_EMPTY_REPEAT */
#define STACK_GET_REPEAT(sid, k) do {\
int level = 0;\
k = stk;\
while (1) {\
k--;\
STACK_BASE_CHECK(k, "STACK_GET_REPEAT"); \
if (k->type == STK_REPEAT) {\
if (level == 0) {\
if (k->zid == (sid)) {\
break;\
}\
}\
}\
else if (k->type == STK_CALL_FRAME) level--;\
else if (k->type == STK_RETURN) level++;\
}\
} while(0)
#define STACK_RETURN(addr) do {\
int level = 0;\
StackType* k = stk;\
while (1) {\
k--;\
STACK_BASE_CHECK(k, "STACK_RETURN"); \
if (k->type == STK_CALL_FRAME) {\
if (level == 0) {\
(addr) = k->u.call_frame.ret_addr;\
break;\
}\
else level--;\
}\
else if (k->type == STK_RETURN)\
level++;\
}\
} while(0)
#define STRING_CMP(s1,s2,len) do {\
while (len-- > 0) {\
if (*s1++ != *s2++) goto fail;\
}\
} while(0)
#define STRING_CMP_IC(case_fold_flag,s1,ps2,len) do {\
if (string_cmp_ic(encode, case_fold_flag, s1, ps2, len) == 0) \
goto fail; \
} while(0)
static int string_cmp_ic(OnigEncoding enc, int case_fold_flag,
UChar* s1, UChar** ps2, int mblen)
{
UChar buf1[ONIGENC_MBC_CASE_FOLD_MAXLEN];
UChar buf2[ONIGENC_MBC_CASE_FOLD_MAXLEN];
UChar *p1, *p2, *end1, *s2, *end2;
int len1, len2;
s2 = *ps2;
end1 = s1 + mblen;
end2 = s2 + mblen;
while (s1 < end1) {
len1 = ONIGENC_MBC_CASE_FOLD(enc, case_fold_flag, &s1, end1, buf1);
len2 = ONIGENC_MBC_CASE_FOLD(enc, case_fold_flag, &s2, end2, buf2);
if (len1 != len2) return 0;
p1 = buf1;
p2 = buf2;
while (len1-- > 0) {
if (*p1 != *p2) return 0;
p1++;
p2++;
}
}
*ps2 = s2;
return 1;
}
#define STRING_CMP_VALUE(s1,s2,len,is_fail) do {\
is_fail = 0;\
while (len-- > 0) {\
if (*s1++ != *s2++) {\
is_fail = 1; break;\
}\
}\
} while(0)
#define STRING_CMP_VALUE_IC(case_fold_flag,s1,ps2,len,is_fail) do {\
if (string_cmp_ic(encode, case_fold_flag, s1, ps2, len) == 0) \
is_fail = 1; \
else \
is_fail = 0; \
} while(0)
#define IS_EMPTY_STR (str == end)
#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
#define INIT_RIGHT_RANGE right_range = (UChar* )in_right_range
#ifdef USE_CAPTURE_HISTORY
static int
make_capture_history_tree(OnigCaptureTreeNode* node, StackType** kp,
StackType* stk_top, UChar* str, regex_t* reg)
{
int n, r;
OnigCaptureTreeNode* child;
StackType* k = *kp;
while (k < stk_top) {
if (k->type == STK_MEM_START) {
n = k->zid;
if (n <= ONIG_MAX_CAPTURE_HISTORY_GROUP &&
MEM_STATUS_AT(reg->capture_history, n) != 0) {
child = history_node_new();
CHECK_NULL_RETURN_MEMERR(child);
child->group = n;
child->beg = (int )(k->u.mem.pstr - str);
r = history_tree_add_child(node, child);
if (r != 0) return r;
*kp = (k + 1);
r = make_capture_history_tree(child, kp, stk_top, str, reg);
if (r != 0) return r;
k = *kp;
child->end = (int )(k->u.mem.pstr - str);
}
}
else if (k->type == STK_MEM_END) {
if (k->zid == node->group) {
node->end = (int )(k->u.mem.pstr - str);
*kp = k;
return 0;
}
}
k++;
}
return 1; /* 1: root node ending. */
}
#endif
#ifdef USE_BACKREF_WITH_LEVEL
static int mem_is_in_memp(int mem, int num, UChar* memp)
{
int i;
MemNumType m;
for (i = 0; i < num; i++) {
GET_MEMNUM_INC(m, memp);
if (mem == (int )m) return 1;
}
return 0;
}
static int
backref_match_at_nested_level(regex_t* reg,
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;
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_START) {
if (mem_is_in_memp(k->zid, mem_num, memp)) {
pstart = k->u.mem.pstr;
if (IS_NOT_NULL(pend)) {
if (pend - pstart > send - *s) return 0; /* or goto next_mem; */
p = pstart;
ss = *s;
if (ignore_case != 0) {
if (string_cmp_ic(reg->enc, case_fold_flag,
pstart, &ss, (int )(pend - pstart)) == 0)
return 0; /* or goto next_mem; */
}
else {
while (p < pend) {
if (*p++ != *ss++) return 0; /* or goto next_mem; */
}
}
*s = ss;
return 1;
}
}
}
else if (k->type == STK_MEM_END) {
if (mem_is_in_memp(k->zid, mem_num, memp)) {
pend = k->u.mem.pstr;
}
}
}
k--;
}
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->zid, mem_num, memp)) {
return 1;
}
}
}
k--;
}
return 0;
}
#endif /* USE_BACKREF_WITH_LEVEL */
#ifdef ONIG_DEBUG_STATISTICS
#define USE_TIMEOFDAY
#ifdef USE_TIMEOFDAY
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
static struct timeval ts, te;
#define GETTIME(t) gettimeofday(&(t), (struct timezone* )0)
#define TIMEDIFF(te,ts) (((te).tv_usec - (ts).tv_usec) + \
(((te).tv_sec - (ts).tv_sec)*1000000))
#else
#ifdef HAVE_SYS_TIMES_H
#include <sys/times.h>
#endif
static struct tms ts, te;
#define GETTIME(t) times(&(t))
#define TIMEDIFF(te,ts) ((te).tms_utime - (ts).tms_utime)
#endif
static int OpCounter[256];
static int OpPrevCounter[256];
static unsigned long OpTime[256];
static int OpCurr = OP_FINISH;
static int OpPrevTarget = OP_FAIL;
static int MaxStackDepth = 0;
#define SOP_IN(opcode) do {\
if (opcode == OpPrevTarget) OpPrevCounter[OpCurr]++;\
OpCurr = opcode;\
OpCounter[opcode]++;\
GETTIME(ts);\
} while(0)
#define SOP_OUT do {\
GETTIME(te);\
OpTime[OpCurr] += TIMEDIFF(te, ts);\
} while(0)
extern void
onig_statistics_init(void)
{
int i;
for (i = 0; i < 256; i++) {
OpCounter[i] = OpPrevCounter[i] = 0; OpTime[i] = 0;
}
MaxStackDepth = 0;
}
extern int
onig_print_statistics(FILE* f)
{
int r;
int i;
r = fprintf(f, " count prev time\n");
if (r < 0) return -1;
for (i = 0; OpInfo[i].opcode >= 0; i++) {
r = fprintf(f, "%8d: %8d: %10ld: %s\n",
OpCounter[i], OpPrevCounter[i], OpTime[i], OpInfo[i].name);
if (r < 0) return -1;
}
r = fprintf(f, "\nmax stack depth: %d\n", MaxStackDepth);
if (r < 0) return -1;
return 0;
}
#define STACK_INC do {\
stk++;\
if (stk - stk_base > MaxStackDepth) \
MaxStackDepth = stk - stk_base;\
} while(0)
#else
#define STACK_INC stk++
#define SOP_IN(opcode)
#define SOP_OUT
#endif
/* matching region of POSIX API */
typedef int regoff_t;
typedef struct {
regoff_t rm_so;
regoff_t rm_eo;
} posix_regmatch_t;
/* match data(str - end) from position (sstart). */
/* if sstart == str then set sprev to NULL. */
static int
match_at(regex_t* reg, const UChar* str, const UChar* end,
const UChar* in_right_range, const UChar* sstart, UChar* sprev,
MatchArg* msa)
{
static UChar FinishCode[] = { OP_FINISH };
int i, n, num_mem, best_len, pop_level;
LengthType tlen, tlen2;
MemNumType mem;
RelAddrType addr;
UChar *s, *q, *sbegin;
UChar *right_range;
int is_alloca;
char *alloc_base;
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_RETRY_LIMIT_IN_MATCH
unsigned long retry_limit_in_match;
unsigned long retry_in_match_counter;
#endif
#ifdef USE_CALLOUT
int of;
#endif
UChar *p = reg->p;
OnigOptionType option = reg->options;
OnigEncoding encode = reg->enc;
OnigCaseFoldType case_fold_flag = reg->case_fold_flag;
#ifdef USE_CALLOUT
msa->mp->match_at_call_counter++;
#endif
#ifdef USE_RETRY_LIMIT_IN_MATCH
retry_limit_in_match = msa->retry_limit_in_match;
#endif
pop_level = reg->stack_pop_level;
num_mem = reg->num_mem;
STACK_INIT(INIT_MATCH_STACK_SIZE);
UPDATE_FOR_STACK_REALLOC;
for (i = 1; i <= num_mem; i++) {
mem_start_stk[i] = mem_end_stk[i] = INVALID_STACK_INDEX;
}
#ifdef ONIG_DEBUG_MATCH
fprintf(stderr, "match_at: str: %p, end: %p, start: %p, sprev: %p\n",
str, end, sstart, sprev);
fprintf(stderr, "size: %d, start offset: %d\n",
(int )(end - str), (int )(sstart - str));
#endif
best_len = ONIG_MISMATCH;
keep = s = (UChar* )sstart;
STACK_PUSH_BOTTOM(STK_ALT, FinishCode); /* bottom stack */
INIT_RIGHT_RANGE;
#ifdef USE_RETRY_LIMIT_IN_MATCH
retry_in_match_counter = 0;
#endif
while (1) {
#ifdef ONIG_DEBUG_MATCH
{
static unsigned int counter = 1;
UChar *q, *bp, buf[50];
int len;
fprintf(stderr, "%7u: %7ld: %4d> \"",
counter, GET_STACK_INDEX(stk), (int )(s - str));
counter++;
bp = buf;
for (i = 0, q = s; i < 7 && q < end; i++) {
len = enclen(encode, q);
while (len-- > 0) *bp++ = *q++;
}
if (q < end) { xmemcpy(bp, "...\"", 4); bp += 4; }
else { xmemcpy(bp, "\"", 1); bp += 1; }
*bp = 0;
fputs((char* )buf, stderr);
for (i = 0; i < 20 - (bp - buf); i++) fputc(' ', stderr);
if (p == FinishCode)
fprintf(stderr, "----: ");
else
fprintf(stderr, "%4d: ", (int )(p - reg->p));
onig_print_compiled_byte_code(stderr, p, NULL, reg->p, encode);
fprintf(stderr, "\n");
}
#endif
sbegin = s;
switch (*p++) {
case OP_END: SOP_IN(OP_END);
n = (int )(s - sstart);
if (n > best_len) {
OnigRegion* region;
#ifdef USE_FIND_LONGEST_SEARCH_ALL_OF_RANGE
if (IS_FIND_LONGEST(option)) {
if (n > msa->best_len) {
msa->best_len = n;
msa->best_s = (UChar* )sstart;
}
else
goto end_best_len;
}
#endif
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 = (regoff_t )(keep - str);
rmt[0].rm_eo = (regoff_t )(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))
rmt[i].rm_so = (regoff_t )(STACK_AT(mem_start_stk[i])->u.mem.pstr - str);
else
rmt[i].rm_so = (regoff_t )((UChar* )((void* )(mem_start_stk[i])) - str);
rmt[i].rm_eo = (regoff_t )((MEM_STATUS_AT(reg->bt_mem_end, i)
? STACK_AT(mem_end_stk[i])->u.mem.pstr
: (UChar* )((void* )mem_end_stk[i]))
- str);
}
else {
rmt[i].rm_so = rmt[i].rm_eo = ONIG_REGION_NOTPOS;
}
}
}
else {
#endif /* USE_POSIX_API_REGION_OPTION */
region->beg[0] = (int )(keep - str);
region->end[0] = (int )(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))
region->beg[i] = (int )(STACK_AT(mem_start_stk[i])->u.mem.pstr - str);
else
region->beg[i] = (int )((UChar* )((void* )mem_start_stk[i]) - str);
region->end[i] = (int )((MEM_STATUS_AT(reg->bt_mem_end, i)
? STACK_AT(mem_end_stk[i])->u.mem.pstr
: (UChar* )((void* )mem_end_stk[i])) - str);
}
else {
region->beg[i] = region->end[i] = ONIG_REGION_NOTPOS;
}
}
#ifdef USE_CAPTURE_HISTORY
if (reg->capture_history != 0) {
int r;
OnigCaptureTreeNode* node;
if (IS_NULL(region->history_root)) {
region->history_root = node = history_node_new();
CHECK_NULL_RETURN_MEMERR(node);
}
else {
node = region->history_root;
history_tree_clear(node);
}
node->group = 0;
node->beg = (int )(keep - str);
node->end = (int )(s - str);
stkp = stk_base;
r = make_capture_history_tree(region->history_root, &stkp,
stk, (UChar* )str, reg);
if (r < 0) {
best_len = r; /* error code */
goto finish;
}
}
#endif /* USE_CAPTURE_HISTORY */
#ifdef USE_POSIX_API_REGION_OPTION
} /* else IS_POSIX_REGION() */
#endif
} /* if (region) */
} /* n > best_len */
#ifdef USE_FIND_LONGEST_SEARCH_ALL_OF_RANGE
end_best_len:
#endif
SOP_OUT;
if (IS_FIND_CONDITION(option)) {
if (IS_FIND_NOT_EMPTY(option) && s == sstart) {
best_len = ONIG_MISMATCH;
goto fail; /* for retry */
}
if (IS_FIND_LONGEST(option) && DATA_ENSURE_CHECK1) {
goto fail; /* for retry */
}
}
/* default behavior: return first-matching result. */
goto finish;
break;
case OP_EXACT1: SOP_IN(OP_EXACT1);
DATA_ENSURE(1);
if (*p != *s) goto fail;
p++; s++;
SOP_OUT;
break;
case OP_EXACT1_IC: SOP_IN(OP_EXACT1_IC);
{
int len;
UChar *q, lowbuf[ONIGENC_MBC_CASE_FOLD_MAXLEN];
DATA_ENSURE(1);
len = ONIGENC_MBC_CASE_FOLD(encode,
/* DISABLE_CASE_FOLD_MULTI_CHAR(case_fold_flag), */
case_fold_flag,
&s, end, lowbuf);
DATA_ENSURE(0);
q = lowbuf;
while (len-- > 0) {
if (*p != *q) {
goto fail;
}
p++; q++;
}
}
SOP_OUT;
break;
case OP_EXACT2: SOP_IN(OP_EXACT2);
DATA_ENSURE(2);
if (*p != *s) goto fail;
p++; s++;
if (*p != *s) goto fail;
sprev = s;
p++; s++;
SOP_OUT;
continue;
break;
case OP_EXACT3: SOP_IN(OP_EXACT3);
DATA_ENSURE(3);
if (*p != *s) goto fail;
p++; s++;
if (*p != *s) goto fail;
p++; s++;
if (*p != *s) goto fail;
sprev = s;
p++; s++;
SOP_OUT;
continue;
break;
case OP_EXACT4: SOP_IN(OP_EXACT4);
DATA_ENSURE(4);
if (*p != *s) goto fail;
p++; s++;
if (*p != *s) goto fail;
p++; s++;
if (*p != *s) goto fail;
p++; s++;
if (*p != *s) goto fail;
sprev = s;
p++; s++;
SOP_OUT;
continue;
break;
case OP_EXACT5: SOP_IN(OP_EXACT5);
DATA_ENSURE(5);
if (*p != *s) goto fail;
p++; s++;
if (*p != *s) goto fail;
p++; s++;
if (*p != *s) goto fail;
p++; s++;
if (*p != *s) goto fail;
p++; s++;
if (*p != *s) goto fail;
sprev = s;
p++; s++;
SOP_OUT;
continue;
break;
case OP_EXACTN: SOP_IN(OP_EXACTN);
GET_LENGTH_INC(tlen, p);
DATA_ENSURE(tlen);
while (tlen-- > 0) {
if (*p++ != *s++) goto fail;
}
sprev = s - 1;
SOP_OUT;
continue;
break;
case OP_EXACTN_IC: SOP_IN(OP_EXACTN_IC);
{
int len;
UChar *q, *endp, lowbuf[ONIGENC_MBC_CASE_FOLD_MAXLEN];
GET_LENGTH_INC(tlen, p);
endp = p + tlen;
while (p < endp) {
sprev = s;
DATA_ENSURE(1);
len = ONIGENC_MBC_CASE_FOLD(encode,
/* DISABLE_CASE_FOLD_MULTI_CHAR(case_fold_flag), */
case_fold_flag,
&s, end, lowbuf);
DATA_ENSURE(0);
q = lowbuf;
while (len-- > 0) {
if (*p != *q) goto fail;
p++; q++;
}
}
}
SOP_OUT;
continue;
break;
case OP_EXACTMB2N1: SOP_IN(OP_EXACTMB2N1);
DATA_ENSURE(2);
if (*p != *s) goto fail;
p++; s++;
if (*p != *s) goto fail;
p++; s++;
SOP_OUT;
break;
case OP_EXACTMB2N2: SOP_IN(OP_EXACTMB2N2);
DATA_ENSURE(4);
if (*p != *s) goto fail;
p++; s++;
if (*p != *s) goto fail;
p++; s++;
sprev = s;
if (*p != *s) goto fail;
p++; s++;
if (*p != *s) goto fail;
p++; s++;
SOP_OUT;
continue;
break;
case OP_EXACTMB2N3: SOP_IN(OP_EXACTMB2N3);
DATA_ENSURE(6);
if (*p != *s) goto fail;
p++; s++;
if (*p != *s) goto fail;
p++; s++;
if (*p != *s) goto fail;
p++; s++;
if (*p != *s) goto fail;
p++; s++;
sprev = s;
if (*p != *s) goto fail;
p++; s++;
if (*p != *s) goto fail;
p++; s++;
SOP_OUT;
continue;
break;
case OP_EXACTMB2N: SOP_IN(OP_EXACTMB2N);
GET_LENGTH_INC(tlen, p);
DATA_ENSURE(tlen * 2);
while (tlen-- > 0) {
if (*p != *s) goto fail;
p++; s++;
if (*p != *s) goto fail;
p++; s++;
}
sprev = s - 2;
SOP_OUT;
continue;
break;
case OP_EXACTMB3N: SOP_IN(OP_EXACTMB3N);
GET_LENGTH_INC(tlen, p);
DATA_ENSURE(tlen * 3);
while (tlen-- > 0) {
if (*p != *s) goto fail;
p++; s++;
if (*p != *s) goto fail;
p++; s++;
if (*p != *s) goto fail;
p++; s++;
}
sprev = s - 3;
SOP_OUT;
continue;
break;
case OP_EXACTMBN: SOP_IN(OP_EXACTMBN);
GET_LENGTH_INC(tlen, p); /* mb-len */
GET_LENGTH_INC(tlen2, p); /* string len */
tlen2 *= tlen;
DATA_ENSURE(tlen2);
while (tlen2-- > 0) {
if (*p != *s) goto fail;
p++; s++;
}
sprev = s - tlen;
SOP_OUT;
continue;
break;
case OP_CCLASS: SOP_IN(OP_CCLASS);
DATA_ENSURE(1);
if (BITSET_AT(((BitSetRef )p), *s) == 0) goto fail;
p += SIZE_BITSET;
s += enclen(encode, s); /* OP_CCLASS can match mb-code. \D, \S */
SOP_OUT;
break;
case OP_CCLASS_MB: SOP_IN(OP_CCLASS_MB);
if (! ONIGENC_IS_MBC_HEAD(encode, s)) goto fail;
cclass_mb:
GET_LENGTH_INC(tlen, p);
{
OnigCodePoint code;
UChar *ss;
int mb_len;
DATA_ENSURE(1);
mb_len = enclen(encode, s);
DATA_ENSURE(mb_len);
ss = s;
s += mb_len;
code = ONIGENC_MBC_TO_CODE(encode, ss, s);
#ifdef PLATFORM_UNALIGNED_WORD_ACCESS
if (! onig_is_in_code_range(p, code)) goto fail;
#else
q = p;
ALIGNMENT_RIGHT(q);
if (! onig_is_in_code_range(q, code)) goto fail;
#endif
}
p += tlen;
SOP_OUT;
break;
case OP_CCLASS_MIX: SOP_IN(OP_CCLASS_MIX);
DATA_ENSURE(1);
if (ONIGENC_IS_MBC_HEAD(encode, s)) {
p += SIZE_BITSET;
goto cclass_mb;
}
else {
if (BITSET_AT(((BitSetRef )p), *s) == 0)
goto fail;
p += SIZE_BITSET;
GET_LENGTH_INC(tlen, p);
p += tlen;
s++;
}
SOP_OUT;
break;
case OP_CCLASS_NOT: SOP_IN(OP_CCLASS_NOT);
DATA_ENSURE(1);
if (BITSET_AT(((BitSetRef )p), *s) != 0) goto fail;
p += SIZE_BITSET;
s += enclen(encode, s);
SOP_OUT;
break;
case OP_CCLASS_MB_NOT: SOP_IN(OP_CCLASS_MB_NOT);
DATA_ENSURE(1);
if (! ONIGENC_IS_MBC_HEAD(encode, s)) {
s++;
GET_LENGTH_INC(tlen, p);
p += tlen;
goto cc_mb_not_success;
}
cclass_mb_not:
GET_LENGTH_INC(tlen, p);
{
OnigCodePoint code;
UChar *ss;
int mb_len = enclen(encode, s);
if (! DATA_ENSURE_CHECK(mb_len)) {
DATA_ENSURE(1);
s = (UChar* )end;
p += tlen;
goto cc_mb_not_success;
}
ss = s;
s += mb_len;
code = ONIGENC_MBC_TO_CODE(encode, ss, s);
#ifdef PLATFORM_UNALIGNED_WORD_ACCESS
if (onig_is_in_code_range(p, code)) goto fail;
#else
q = p;
ALIGNMENT_RIGHT(q);
if (onig_is_in_code_range(q, code)) goto fail;
#endif
}
p += tlen;
cc_mb_not_success:
SOP_OUT;
break;
case OP_CCLASS_MIX_NOT: SOP_IN(OP_CCLASS_MIX_NOT);
DATA_ENSURE(1);
if (ONIGENC_IS_MBC_HEAD(encode, s)) {
p += SIZE_BITSET;
goto cclass_mb_not;
}
else {
if (BITSET_AT(((BitSetRef )p), *s) != 0)
goto fail;
p += SIZE_BITSET;
GET_LENGTH_INC(tlen, p);
p += tlen;
s++;
}
SOP_OUT;
break;
#ifdef USE_OP_CCLASS_NODE
case OP_CCLASS_NODE: SOP_IN(OP_CCLASS_NODE);
{
OnigCodePoint code;
void *node;
int mb_len;
UChar *ss;
DATA_ENSURE(1);
GET_POINTER_INC(node, p);
mb_len = enclen(encode, s);
ss = s;
s += mb_len;
DATA_ENSURE(0);
code = ONIGENC_MBC_TO_CODE(encode, ss, s);
if (onig_is_code_in_cc_len(mb_len, code, node) == 0) goto fail;
}
SOP_OUT;
break;
#endif
case OP_ANYCHAR: SOP_IN(OP_ANYCHAR);
DATA_ENSURE(1);
n = enclen(encode, s);
DATA_ENSURE(n);
if (ONIGENC_IS_MBC_NEWLINE(encode, s, end)) goto fail;
s += n;
SOP_OUT;
break;
case OP_ANYCHAR_ML: SOP_IN(OP_ANYCHAR_ML);
DATA_ENSURE(1);
n = enclen(encode, s);
DATA_ENSURE(n);
s += n;
SOP_OUT;
break;
case OP_ANYCHAR_STAR: SOP_IN(OP_ANYCHAR_STAR);
while (DATA_ENSURE_CHECK1) {
STACK_PUSH_ALT(p, s, sprev);
n = enclen(encode, s);
DATA_ENSURE(n);
if (ONIGENC_IS_MBC_NEWLINE(encode, s, end)) goto fail;
sprev = s;
s += n;
}
SOP_OUT;
continue;
break;
case OP_ANYCHAR_ML_STAR: SOP_IN(OP_ANYCHAR_ML_STAR);
while (DATA_ENSURE_CHECK1) {
STACK_PUSH_ALT(p, s, sprev);
n = enclen(encode, s);
if (n > 1) {
DATA_ENSURE(n);
sprev = s;
s += n;
}
else {
sprev = s;
s++;
}
}
SOP_OUT;
continue;
break;
case OP_ANYCHAR_STAR_PEEK_NEXT: SOP_IN(OP_ANYCHAR_STAR_PEEK_NEXT);
while (DATA_ENSURE_CHECK1) {
if (*p == *s) {
STACK_PUSH_ALT(p + 1, s, sprev);
}
n = enclen(encode, s);
DATA_ENSURE(n);
if (ONIGENC_IS_MBC_NEWLINE(encode, s, end)) goto fail;
sprev = s;
s += n;
}
p++;
SOP_OUT;
break;
case OP_ANYCHAR_ML_STAR_PEEK_NEXT:SOP_IN(OP_ANYCHAR_ML_STAR_PEEK_NEXT);
while (DATA_ENSURE_CHECK1) {
if (*p == *s) {
STACK_PUSH_ALT(p + 1, s, sprev);
}
n = enclen(encode, s);
if (n > 1) {
DATA_ENSURE(n);
sprev = s;
s += n;
}
else {
sprev = s;
s++;
}
}
p++;
SOP_OUT;
break;
case OP_WORD: SOP_IN(OP_WORD);
DATA_ENSURE(1);
if (! ONIGENC_IS_MBC_WORD(encode, s, end))
goto fail;
s += enclen(encode, s);
SOP_OUT;
break;
case OP_WORD_ASCII: SOP_IN(OP_WORD_ASCII);
DATA_ENSURE(1);
if (! ONIGENC_IS_MBC_WORD_ASCII(encode, s, end))
goto fail;
s += enclen(encode, s);
SOP_OUT;
break;
case OP_NO_WORD: SOP_IN(OP_NO_WORD);
DATA_ENSURE(1);
if (ONIGENC_IS_MBC_WORD(encode, s, end))
goto fail;
s += enclen(encode, s);
SOP_OUT;
break;
case OP_NO_WORD_ASCII: SOP_IN(OP_NO_WORD_ASCII);
DATA_ENSURE(1);
if (ONIGENC_IS_MBC_WORD_ASCII(encode, s, end))
goto fail;
s += enclen(encode, s);
SOP_OUT;
break;
case OP_WORD_BOUNDARY: SOP_IN(OP_WORD_BOUNDARY);
{
ModeType mode;
GET_MODE_INC(mode, p); /* ascii_mode */
if (ON_STR_BEGIN(s)) {
DATA_ENSURE(1);
if (! IS_MBC_WORD_ASCII_MODE(encode, s, end, mode))
goto fail;
}
else if (ON_STR_END(s)) {
if (! IS_MBC_WORD_ASCII_MODE(encode, sprev, end, mode))
goto fail;
}
else {
if (IS_MBC_WORD_ASCII_MODE(encode, s, end, mode)
== IS_MBC_WORD_ASCII_MODE(encode, sprev, end, mode))
goto fail;
}
}
SOP_OUT;
continue;
break;
case OP_NO_WORD_BOUNDARY: SOP_IN(OP_NO_WORD_BOUNDARY);
{
ModeType 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))
goto fail;
}
else if (ON_STR_END(s)) {
if (IS_MBC_WORD_ASCII_MODE(encode, sprev, end, mode))
goto fail;
}
else {
if (IS_MBC_WORD_ASCII_MODE(encode, s, end, mode)
!= IS_MBC_WORD_ASCII_MODE(encode, sprev, end, mode))
goto fail;
}
}
SOP_OUT;
continue;
break;
#ifdef USE_WORD_BEGIN_END
case OP_WORD_BEGIN: SOP_IN(OP_WORD_BEGIN);
{
ModeType 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)) {
SOP_OUT;
continue;
}
}
}
goto fail;
break;
case OP_WORD_END: SOP_IN(OP_WORD_END);
{
ModeType 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)) {
SOP_OUT;
continue;
}
}
}
goto fail;
break;
#endif
case OP_EXTENDED_GRAPHEME_CLUSTER_BOUNDARY:
SOP_IN(OP_EXTENDED_GRAPHEME_CLUSTER_BOUNDARY);
if (onigenc_egcb_is_break_position(encode, s, sprev, str, end)) {
SOP_OUT;
continue;
}
goto fail;
break;
case OP_NO_EXTENDED_GRAPHEME_CLUSTER_BOUNDARY:
SOP_IN(OP_NO_EXTENDED_GRAPHEME_CLUSTER_BOUNDARY);
if (onigenc_egcb_is_break_position(encode, s, sprev, str, end))
goto fail;
SOP_OUT;
continue;
break;
case OP_BEGIN_BUF: SOP_IN(OP_BEGIN_BUF);
if (! ON_STR_BEGIN(s)) goto fail;
SOP_OUT;
continue;
break;
case OP_END_BUF: SOP_IN(OP_END_BUF);
if (! ON_STR_END(s)) goto fail;
SOP_OUT;
continue;
break;
case OP_BEGIN_LINE: SOP_IN(OP_BEGIN_LINE);
if (ON_STR_BEGIN(s)) {
if (IS_NOTBOL(msa->options)) goto fail;
SOP_OUT;
continue;
}
else if (ONIGENC_IS_MBC_NEWLINE(encode, sprev, end) && !ON_STR_END(s)) {
SOP_OUT;
continue;
}
goto fail;
break;
case OP_END_LINE: SOP_IN(OP_END_LINE);
if (ON_STR_END(s)) {
#ifndef USE_NEWLINE_AT_END_OF_STRING_HAS_EMPTY_LINE
if (IS_EMPTY_STR || !ONIGENC_IS_MBC_NEWLINE(encode, sprev, end)) {
#endif
if (IS_NOTEOL(msa->options)) goto fail;
SOP_OUT;
continue;
#ifndef USE_NEWLINE_AT_END_OF_STRING_HAS_EMPTY_LINE
}
#endif
}
else if (ONIGENC_IS_MBC_NEWLINE(encode, s, end)) {
SOP_OUT;
continue;
}
#ifdef USE_CRNL_AS_LINE_TERMINATOR
else if (ONIGENC_IS_MBC_CRNL(encode, s, end)) {
SOP_OUT;
continue;
}
#endif
goto fail;
break;
case OP_SEMI_END_BUF: SOP_IN(OP_SEMI_END_BUF);
if (ON_STR_END(s)) {
#ifndef USE_NEWLINE_AT_END_OF_STRING_HAS_EMPTY_LINE
if (IS_EMPTY_STR || !ONIGENC_IS_MBC_NEWLINE(encode, sprev, end)) {
#endif
if (IS_NOTEOL(msa->options)) goto fail;
SOP_OUT;
continue;
#ifndef USE_NEWLINE_AT_END_OF_STRING_HAS_EMPTY_LINE
}
#endif
}
else if (ONIGENC_IS_MBC_NEWLINE(encode, s, end) &&
ON_STR_END(s + enclen(encode, s))) {
SOP_OUT;
continue;
}
#ifdef USE_CRNL_AS_LINE_TERMINATOR
else if (ONIGENC_IS_MBC_CRNL(encode, s, end)) {
UChar* ss = s + enclen(encode, s);
ss += enclen(encode, ss);
if (ON_STR_END(ss)) {
SOP_OUT;
continue;
}
}
#endif
goto fail;
break;
case OP_BEGIN_POSITION: SOP_IN(OP_BEGIN_POSITION);
if (s != msa->start)
goto fail;
SOP_OUT;
continue;
break;
case OP_MEMORY_START_PUSH: SOP_IN(OP_MEMORY_START_PUSH);
GET_MEMNUM_INC(mem, p);
STACK_PUSH_MEM_START(mem, s);
SOP_OUT;
continue;
break;
case OP_MEMORY_START: SOP_IN(OP_MEMORY_START);
GET_MEMNUM_INC(mem, p);
mem_start_stk[mem] = (StackIndex )((void* )s);
SOP_OUT;
continue;
break;
case OP_MEMORY_END_PUSH: SOP_IN(OP_MEMORY_END_PUSH);
GET_MEMNUM_INC(mem, p);
STACK_PUSH_MEM_END(mem, s);
SOP_OUT;
continue;
break;
case OP_MEMORY_END: SOP_IN(OP_MEMORY_END);
GET_MEMNUM_INC(mem, p);
mem_end_stk[mem] = (StackIndex )((void* )s);
SOP_OUT;
continue;
break;
#ifdef USE_CALL
case OP_MEMORY_END_PUSH_REC: SOP_IN(OP_MEMORY_END_PUSH_REC);
GET_MEMNUM_INC(mem, p);
STACK_GET_MEM_START(mem, stkp); /* should be before push mem-end. */
STACK_PUSH_MEM_END(mem, s);
mem_start_stk[mem] = GET_STACK_INDEX(stkp);
SOP_OUT;
continue;
break;
case OP_MEMORY_END_REC: SOP_IN(OP_MEMORY_END_REC);
GET_MEMNUM_INC(mem, p);
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] = (StackIndex )((void* )stkp->u.mem.pstr);
STACK_PUSH_MEM_END_MARK(mem);
SOP_OUT;
continue;
break;
#endif
case OP_BACKREF1: SOP_IN(OP_BACKREF1);
mem = 1;
goto backref;
break;
case OP_BACKREF2: SOP_IN(OP_BACKREF2);
mem = 2;
goto backref;
break;
case OP_BACKREF_N: SOP_IN(OP_BACKREF_N);
GET_MEMNUM_INC(mem, p);
backref:
{
int len;
UChar *pstart, *pend;
if (mem_end_stk[mem] == INVALID_STACK_INDEX) goto fail;
if (mem_start_stk[mem] == INVALID_STACK_INDEX) goto fail;
if (MEM_STATUS_AT(reg->bt_mem_start, mem))
pstart = STACK_AT(mem_start_stk[mem])->u.mem.pstr;
else
pstart = (UChar* )((void* )mem_start_stk[mem]);
pend = (MEM_STATUS_AT(reg->bt_mem_end, mem)
? STACK_AT(mem_end_stk[mem])->u.mem.pstr
: (UChar* )((void* )mem_end_stk[mem]));
n = (int )(pend - pstart);
DATA_ENSURE(n);
sprev = s;
STRING_CMP(pstart, s, n);
while (sprev + (len = enclen(encode, sprev)) < s)
sprev += len;
SOP_OUT;
continue;
}
break;
case OP_BACKREF_N_IC: SOP_IN(OP_BACKREF_N_IC);
GET_MEMNUM_INC(mem, p);
{
int len;
UChar *pstart, *pend;
if (mem_end_stk[mem] == INVALID_STACK_INDEX) goto fail;
if (mem_start_stk[mem] == INVALID_STACK_INDEX) goto fail;
if (MEM_STATUS_AT(reg->bt_mem_start, mem))
pstart = STACK_AT(mem_start_stk[mem])->u.mem.pstr;
else
pstart = (UChar* )((void* )mem_start_stk[mem]);
pend = (MEM_STATUS_AT(reg->bt_mem_end, mem)
? STACK_AT(mem_end_stk[mem])->u.mem.pstr
: (UChar* )((void* )mem_end_stk[mem]));
n = (int )(pend - pstart);
DATA_ENSURE(n);
sprev = s;
STRING_CMP_IC(case_fold_flag, pstart, &s, n);
while (sprev + (len = enclen(encode, sprev)) < s)
sprev += len;
SOP_OUT;
continue;
}
break;
case OP_BACKREF_MULTI: SOP_IN(OP_BACKREF_MULTI);
{
int len, is_fail;
UChar *pstart, *pend, *swork;
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;
if (MEM_STATUS_AT(reg->bt_mem_start, mem))
pstart = STACK_AT(mem_start_stk[mem])->u.mem.pstr;
else
pstart = (UChar* )((void* )mem_start_stk[mem]);
pend = (MEM_STATUS_AT(reg->bt_mem_end, mem)
? STACK_AT(mem_end_stk[mem])->u.mem.pstr
: (UChar* )((void* )mem_end_stk[mem]));
n = (int )(pend - pstart);
DATA_ENSURE(n);
sprev = s;
swork = s;
STRING_CMP_VALUE(pstart, swork, n, is_fail);
if (is_fail) continue;
s = swork;
while (sprev + (len = enclen(encode, sprev)) < s)
sprev += len;
p += (SIZE_MEMNUM * (tlen - i - 1));
break; /* success */
}
if (i == tlen) goto fail;
SOP_OUT;
continue;
}
break;
case OP_BACKREF_MULTI_IC: SOP_IN(OP_BACKREF_MULTI_IC);
{
int len, is_fail;
UChar *pstart, *pend, *swork;
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;
if (MEM_STATUS_AT(reg->bt_mem_start, mem))
pstart = STACK_AT(mem_start_stk[mem])->u.mem.pstr;
else
pstart = (UChar* )((void* )mem_start_stk[mem]);
pend = (MEM_STATUS_AT(reg->bt_mem_end, mem)
? STACK_AT(mem_end_stk[mem])->u.mem.pstr
: (UChar* )((void* )mem_end_stk[mem]));
n = (int )(pend - pstart);
DATA_ENSURE(n);
sprev = s;
swork = s;
STRING_CMP_VALUE_IC(case_fold_flag, pstart, &swork, n, is_fail);
if (is_fail) continue;
s = swork;
while (sprev + (len = enclen(encode, sprev)) < s)
sprev += len;
p += (SIZE_MEMNUM * (tlen - i - 1));
break; /* success */
}
if (i == tlen) goto fail;
SOP_OUT;
continue;
}
break;
#ifdef USE_BACKREF_WITH_LEVEL
case OP_BACKREF_WITH_LEVEL:
{
int len;
OnigOptionType ic;
LengthType level;
GET_OPTION_INC(ic, p);
GET_LENGTH_INC(level, p);
GET_LENGTH_INC(tlen, p);
sprev = s;
if (backref_match_at_nested_level(reg, stk, stk_base, ic
, case_fold_flag, (int )level, (int )tlen, p, &s, end)) {
if (sprev < end) {
while (sprev + (len = enclen(encode, sprev)) < s)
sprev += len;
}
p += (SIZE_MEMNUM * tlen);
}
else
goto fail;
SOP_OUT;
continue;
}
break;
#endif
case OP_BACKREF_CHECK: SOP_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;
SOP_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;
SOP_OUT;
continue;
}
break;
#endif
#if 0 /* no need: IS_DYNAMIC_OPTION() == 0 */
case OP_SET_OPTION_PUSH: SOP_IN(OP_SET_OPTION_PUSH);
GET_OPTION_INC(option, p);
STACK_PUSH_ALT(p, s, sprev);
p += SIZE_OP_SET_OPTION + SIZE_OP_FAIL;
SOP_OUT;
continue;
break;
case OP_SET_OPTION: SOP_IN(OP_SET_OPTION);
GET_OPTION_INC(option, p);
SOP_OUT;
continue;
break;
#endif
case OP_EMPTY_CHECK_START: SOP_IN(OP_EMPTY_CHECK_START);
GET_MEMNUM_INC(mem, p); /* mem: null check id */
STACK_PUSH_EMPTY_CHECK_START(mem, s);
SOP_OUT;
continue;
break;
case OP_EMPTY_CHECK_END: SOP_IN(OP_EMPTY_CHECK_END);
{
int is_empty;
GET_MEMNUM_INC(mem, p); /* mem: null check id */
STACK_EMPTY_CHECK(is_empty, mem, s);
if (is_empty) {
#ifdef ONIG_DEBUG_MATCH
fprintf(stderr, "EMPTY_CHECK_END: skip id:%d, s:%p\n", (int )mem, s);
#endif
empty_check_found:
/* empty loop founded, skip next instruction */
switch (*p++) {
case OP_JUMP:
case OP_PUSH:
p += SIZE_RELADDR;
break;
case OP_REPEAT_INC:
case OP_REPEAT_INC_NG:
case OP_REPEAT_INC_SG:
case OP_REPEAT_INC_NG_SG:
p += SIZE_MEMNUM;
break;
default:
goto unexpected_bytecode_error;
break;
}
}
}
SOP_OUT;
continue;
break;
#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_MEM(is_empty, mem, s, reg);
if (is_empty) {
#ifdef ONIG_DEBUG_MATCH
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;
}
}
SOP_OUT;
continue;
break;
#endif
#ifdef USE_CALL
case OP_EMPTY_CHECK_END_MEMST_PUSH:
SOP_IN(OP_EMPTY_CHECK_END_MEMST_PUSH);
{
int is_empty;
GET_MEMNUM_INC(mem, p); /* mem: null check id */
#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_MEM_PUSH: skip id:%d, s:%p\n",
(int )mem, s);
#endif
if (is_empty == -1) goto fail;
goto empty_check_found;
}
else {
STACK_PUSH_EMPTY_CHECK_END(mem);
}
}
SOP_OUT;
continue;
break;
#endif
case OP_JUMP: SOP_IN(OP_JUMP);
GET_RELADDR_INC(addr, p);
p += addr;
SOP_OUT;
CHECK_INTERRUPT_IN_MATCH;
continue;
break;
case OP_PUSH: SOP_IN(OP_PUSH);
GET_RELADDR_INC(addr, p);
STACK_PUSH_ALT(p + addr, s, sprev);
SOP_OUT;
continue;
break;
case OP_PUSH_SUPER: SOP_IN(OP_PUSH_SUPER);
GET_RELADDR_INC(addr, p);
STACK_PUSH_SUPER_ALT(p + addr, s, sprev);
SOP_OUT;
continue;
break;
case OP_POP_OUT: SOP_IN(OP_POP_OUT);
STACK_POP_ONE;
/* for stop backtrack */
/* CHECK_RETRY_LIMIT_IN_MATCH; */
SOP_OUT;
continue;
break;
case OP_PUSH_OR_JUMP_EXACT1: SOP_IN(OP_PUSH_OR_JUMP_EXACT1);
GET_RELADDR_INC(addr, p);
if (*p == *s && DATA_ENSURE_CHECK1) {
p++;
STACK_PUSH_ALT(p + addr, s, sprev);
SOP_OUT;
continue;
}
p += (addr + 1);
SOP_OUT;
continue;
break;
case OP_PUSH_IF_PEEK_NEXT: SOP_IN(OP_PUSH_IF_PEEK_NEXT);
GET_RELADDR_INC(addr, p);
if (*p == *s) {
p++;
STACK_PUSH_ALT(p + addr, s, sprev);
SOP_OUT;
continue;
}
p++;
SOP_OUT;
continue;
break;
case OP_REPEAT: SOP_IN(OP_REPEAT);
{
GET_MEMNUM_INC(mem, p); /* mem: OP_REPEAT ID */
GET_RELADDR_INC(addr, p);
STACK_ENSURE(1);
repeat_stk[mem] = GET_STACK_INDEX(stk);
STACK_PUSH_REPEAT(mem, p);
if (reg->repeat_range[mem].lower == 0) {
STACK_PUSH_ALT(p + addr, s, sprev);
}
}
SOP_OUT;
continue;
break;
case OP_REPEAT_NG: SOP_IN(OP_REPEAT_NG);
{
GET_MEMNUM_INC(mem, p); /* mem: OP_REPEAT ID */
GET_RELADDR_INC(addr, p);
STACK_ENSURE(1);
repeat_stk[mem] = GET_STACK_INDEX(stk);
STACK_PUSH_REPEAT(mem, p);
if (reg->repeat_range[mem].lower == 0) {
STACK_PUSH_ALT(p, s, sprev);
p += addr;
}
}
SOP_OUT;
continue;
break;
case OP_REPEAT_INC: SOP_IN(OP_REPEAT_INC);
GET_MEMNUM_INC(mem, p); /* mem: OP_REPEAT ID */
si = repeat_stk[mem];
stkp = STACK_AT(si);
repeat_inc:
stkp->u.repeat.count++;
if (stkp->u.repeat.count >= reg->repeat_range[mem].upper) {
/* end of repeat. Nothing to do. */
}
else if (stkp->u.repeat.count >= reg->repeat_range[mem].lower) {
STACK_PUSH_ALT(p, s, sprev);
p = STACK_AT(si)->u.repeat.pcode; /* Don't use stkp after PUSH. */
}
else {
p = stkp->u.repeat.pcode;
}
STACK_PUSH_REPEAT_INC(si);
SOP_OUT;
CHECK_INTERRUPT_IN_MATCH;
continue;
break;
case OP_REPEAT_INC_SG: SOP_IN(OP_REPEAT_INC_SG);
GET_MEMNUM_INC(mem, p); /* mem: OP_REPEAT ID */
STACK_GET_REPEAT(mem, stkp);
si = GET_STACK_INDEX(stkp);
goto repeat_inc;
break;
case OP_REPEAT_INC_NG: SOP_IN(OP_REPEAT_INC_NG);
GET_MEMNUM_INC(mem, p); /* mem: OP_REPEAT ID */
si = repeat_stk[mem];
stkp = STACK_AT(si);
repeat_inc_ng:
stkp->u.repeat.count++;
if (stkp->u.repeat.count < reg->repeat_range[mem].upper) {
if (stkp->u.repeat.count >= reg->repeat_range[mem].lower) {
UChar* pcode = stkp->u.repeat.pcode;
STACK_PUSH_REPEAT_INC(si);
STACK_PUSH_ALT(pcode, s, sprev);
}
else {
p = stkp->u.repeat.pcode;
STACK_PUSH_REPEAT_INC(si);
}
}
else if (stkp->u.repeat.count == reg->repeat_range[mem].upper) {
STACK_PUSH_REPEAT_INC(si);
}
SOP_OUT;
CHECK_INTERRUPT_IN_MATCH;
continue;
break;
case OP_REPEAT_INC_NG_SG: SOP_IN(OP_REPEAT_INC_NG_SG);
GET_MEMNUM_INC(mem, p); /* mem: OP_REPEAT ID */
STACK_GET_REPEAT(mem, stkp);
si = GET_STACK_INDEX(stkp);
goto repeat_inc_ng;
break;
case OP_PREC_READ_START: SOP_IN(OP_PREC_READ_START);
STACK_PUSH_POS(s, sprev);
SOP_OUT;
continue;
break;
case OP_PREC_READ_END: SOP_IN(OP_PREC_READ_END);
{
STACK_EXEC_TO_VOID(stkp);
s = stkp->u.state.pstr;
sprev = stkp->u.state.pstr_prev;
}
SOP_OUT;
continue;
break;
case OP_PREC_READ_NOT_START: SOP_IN(OP_PREC_READ_NOT_START);
GET_RELADDR_INC(addr, p);
STACK_PUSH_ALT_PREC_READ_NOT(p + addr, s, sprev);
SOP_OUT;
continue;
break;
case OP_PREC_READ_NOT_END: SOP_IN(OP_PREC_READ_NOT_END);
STACK_POP_TIL_ALT_PREC_READ_NOT;
goto fail;
break;
case OP_ATOMIC_START: SOP_IN(OP_ATOMIC_START);
STACK_PUSH_TO_VOID_START;
SOP_OUT;
continue;
break;
case OP_ATOMIC_END: SOP_IN(OP_ATOMIC_END);
STACK_EXEC_TO_VOID(stkp);
SOP_OUT;
continue;
break;
case OP_LOOK_BEHIND: SOP_IN(OP_LOOK_BEHIND);
GET_LENGTH_INC(tlen, p);
s = (UChar* )ONIGENC_STEP_BACK(encode, str, s, (int )tlen);
if (IS_NULL(s)) goto fail;
sprev = (UChar* )onigenc_get_prev_char_head(encode, str, s);
SOP_OUT;
continue;
break;
case OP_LOOK_BEHIND_NOT_START: SOP_IN(OP_LOOK_BEHIND_NOT_START);
GET_RELADDR_INC(addr, p);
GET_LENGTH_INC(tlen, p);
q = (UChar* )ONIGENC_STEP_BACK(encode, str, s, (int )tlen);
if (IS_NULL(q)) {
/* too short case -> success. ex. /(?<!XXX)a/.match("a")
If you want to change to fail, replace following line. */
p += addr;
/* goto fail; */
}
else {
STACK_PUSH_ALT_LOOK_BEHIND_NOT(p + addr, s, sprev);
s = q;
sprev = (UChar* )onigenc_get_prev_char_head(encode, str, s);
}
SOP_OUT;
continue;
break;
case OP_LOOK_BEHIND_NOT_END: SOP_IN(OP_LOOK_BEHIND_NOT_END);
STACK_POP_TIL_ALT_LOOK_BEHIND_NOT;
goto fail;
break;
#ifdef USE_CALL
case OP_CALL: SOP_IN(OP_CALL);
GET_ABSADDR_INC(addr, p);
STACK_PUSH_CALL_FRAME(p);
p = reg->p + addr;
SOP_OUT;
continue;
break;
case OP_RETURN: SOP_IN(OP_RETURN);
STACK_RETURN(p);
STACK_PUSH_RETURN;
SOP_OUT;
continue;
break;
#endif
case OP_PUSH_SAVE_VAL: SOP_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;
}
}
SOP_OUT;
continue;
break;
case OP_UPDATE_VAR: SOP_IN(OP_UPDATE_VAR);
{
UpdateVarType type;
enum SaveType save_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:
save_type = SAVE_S;
goto get_save_val_type_last_id;
break;
case UPDATE_VAR_RIGHT_RANGE_FROM_STACK:
save_type = SAVE_RIGHT_RANGE;
get_save_val_type_last_id:
STACK_GET_SAVE_VAL_TYPE_LAST_ID(save_type, mem, right_range);
break;
case UPDATE_VAR_RIGHT_RANGE_INIT:
INIT_RIGHT_RANGE;
break;
}
}
SOP_OUT;
continue;
break;
#ifdef USE_CALLOUT
case OP_CALLOUT_CONTENTS: SOP_IN(OP_CALLOUT_CONTENTS);
of = ONIG_CALLOUT_OF_CONTENTS;
goto callout_common_entry;
SOP_OUT;
continue;
break;
case OP_CALLOUT_NAME: SOP_IN(OP_CALLOUT_NAME);
{
int call_result;
int name_id;
int num;
int in;
CalloutListEntry* e;
OnigCalloutFunc func;
OnigCalloutArgs args;
of = ONIG_CALLOUT_OF_NAME;
GET_MEMNUM_INC(name_id, p);
callout_common_entry:
GET_MEMNUM_INC(num, p);
e = onig_reg_callout_list_at(reg, num);
in = e->in;
if (of == ONIG_CALLOUT_OF_NAME) {
func = onig_get_callout_start_func(reg, num);
}
else {
name_id = ONIG_NON_NAME_ID;
func = msa->mp->progress_callout_of_contents;
}
if (IS_NOT_NULL(func) && (in & ONIG_CALLOUT_IN_PROGRESS) != 0) {
CALLOUT_BODY(func, ONIG_CALLOUT_IN_PROGRESS, name_id,
num, msa->mp->callout_user_data, args, call_result);
switch (call_result) {
case ONIG_CALLOUT_FAIL:
goto fail;
break;
case ONIG_CALLOUT_SUCCESS:
goto retraction_callout2;
break;
default: /* error code */
if (call_result > 0) {
call_result = ONIGERR_INVALID_ARGUMENT;
}
best_len = call_result;
goto finish;
break;
}
}
else {
retraction_callout2:
if ((in & ONIG_CALLOUT_IN_RETRACTION) != 0) {
if (of == ONIG_CALLOUT_OF_NAME) {
if (IS_NOT_NULL(func)) {
STACK_PUSH_CALLOUT_NAME(name_id, num, func);
}
}
else {
func = msa->mp->retraction_callout_of_contents;
if (IS_NOT_NULL(func)) {
STACK_PUSH_CALLOUT_CONTENTS(num, func);
}
}
}
}
}
SOP_OUT;
continue;
break;
#endif
case OP_FINISH:
goto finish;
break;
fail:
SOP_OUT;
/* fall */
case OP_FAIL: SOP_IN(OP_FAIL);
STACK_POP;
p = stk->u.state.pcode;
s = stk->u.state.pstr;
sprev = stk->u.state.pstr_prev;
CHECK_RETRY_LIMIT_IN_MATCH;
SOP_OUT;
continue;
break;
default:
goto bytecode_error;
} /* end of switch */
sprev = sbegin;
} /* end of while(1) */
finish:
STACK_SAVE;
return best_len;
#ifdef ONIG_DEBUG
stack_error:
STACK_SAVE;
return ONIGERR_STACK_BUG;
#endif
bytecode_error:
STACK_SAVE;
return ONIGERR_UNDEFINED_BYTECODE;
unexpected_bytecode_error:
STACK_SAVE;
return ONIGERR_UNEXPECTED_BYTECODE;
#ifdef USE_RETRY_LIMIT_IN_MATCH
retry_limit_in_match_over:
STACK_SAVE;
return ONIGERR_RETRY_LIMIT_IN_MATCH_OVER;
#endif
}
static UChar*
slow_search(OnigEncoding enc, UChar* target, UChar* target_end,
const UChar* text, const UChar* text_end, UChar* text_range)
{
UChar *t, *p, *s, *end;
end = (UChar* )text_end;
end -= target_end - target - 1;
if (end > text_range)
end = text_range;
s = (UChar* )text;
while (s < end) {
if (*s == *target) {
p = s + 1;
t = target + 1;
while (t < target_end) {
if (*t != *p++)
break;
t++;
}
if (t == target_end)
return s;
}
s += enclen(enc, s);
}
return (UChar* )NULL;
}
static int
str_lower_case_match(OnigEncoding enc, int case_fold_flag,
const UChar* t, const UChar* tend,
const UChar* p, const UChar* end)
{
int lowlen;
UChar *q, lowbuf[ONIGENC_MBC_CASE_FOLD_MAXLEN];
while (t < tend) {
lowlen = ONIGENC_MBC_CASE_FOLD(enc, case_fold_flag, &p, end, lowbuf);
q = lowbuf;
while (lowlen > 0) {
if (*t++ != *q++) return 0;
lowlen--;
}
}
return 1;
}
static UChar*
slow_search_ic(OnigEncoding enc, int case_fold_flag,
UChar* target, UChar* target_end,
const UChar* text, const UChar* text_end, UChar* text_range)
{
UChar *s, *end;
end = (UChar* )text_end;
end -= target_end - target - 1;
if (end > text_range)
end = text_range;
s = (UChar* )text;
while (s < end) {
if (str_lower_case_match(enc, case_fold_flag, target, target_end,
s, text_end))
return s;
s += enclen(enc, s);
}
return (UChar* )NULL;
}
static UChar*
slow_search_backward(OnigEncoding enc, UChar* target, UChar* target_end,
const UChar* text, const UChar* adjust_text,
const UChar* text_end, const UChar* text_start)
{
UChar *t, *p, *s;
s = (UChar* )text_end;
s -= (target_end - target);
if (s > text_start)
s = (UChar* )text_start;
else
s = ONIGENC_LEFT_ADJUST_CHAR_HEAD(enc, adjust_text, s);
while (s >= text) {
if (*s == *target) {
p = s + 1;
t = target + 1;
while (t < target_end) {
if (*t != *p++)
break;
t++;
}
if (t == target_end)
return s;
}
s = (UChar* )onigenc_get_prev_char_head(enc, adjust_text, s);
}
return (UChar* )NULL;
}
static UChar*
slow_search_backward_ic(OnigEncoding enc, int case_fold_flag,
UChar* target, UChar* target_end,
const UChar* text, const UChar* adjust_text,
const UChar* text_end, const UChar* text_start)
{
UChar *s;
s = (UChar* )text_end;
s -= (target_end - target);
if (s > text_start)
s = (UChar* )text_start;
else
s = ONIGENC_LEFT_ADJUST_CHAR_HEAD(enc, adjust_text, s);
while (s >= text) {
if (str_lower_case_match(enc, case_fold_flag,
target, target_end, s, text_end))
return s;
s = (UChar* )onigenc_get_prev_char_head(enc, adjust_text, s);
}
return (UChar* )NULL;
}
static UChar*
bm_search_notrev(regex_t* reg, const UChar* target, const UChar* target_end,
const UChar* text, const UChar* text_end,
const UChar* text_range)
{
const UChar *s, *se, *t, *p, *end;
const UChar *tail;
int skip, tlen1;
#ifdef ONIG_DEBUG_SEARCH
fprintf(stderr, "bm_search_notrev: text: %p, text_end: %p, text_range: %p\n",
text, text_end, text_range);
#endif
tail = target_end - 1;
tlen1 = (int )(tail - target);
end = text_range;
if (end + tlen1 > text_end)
end = text_end - tlen1;
s = text;
if (IS_NULL(reg->int_map)) {
while (s < end) {
p = se = s + tlen1;
t = tail;
while (*p == *t) {
if (t == target) return (UChar* )s;
p--; t--;
}
skip = reg->map[*se];
t = s;
do {
s += enclen(reg->enc, s);
} while ((s - t) < skip && s < end);
}
}
else {
while (s < end) {
p = se = s + tlen1;
t = tail;
while (*p == *t) {
if (t == target) return (UChar* )s;
p--; t--;
}
skip = reg->int_map[*se];
t = s;
do {
s += enclen(reg->enc, s);
} while ((s - t) < skip && s < end);
}
}
return (UChar* )NULL;
}
static UChar*
bm_search(regex_t* reg, const UChar* target, const UChar* target_end,
const UChar* text, const UChar* text_end, const UChar* text_range)
{
const UChar *s, *t, *p, *end;
const UChar *tail;
end = text_range + (target_end - target) - 1;
if (end > text_end)
end = text_end;
tail = target_end - 1;
s = text + (target_end - target) - 1;
if (IS_NULL(reg->int_map)) {
while (s < end) {
p = s;
t = tail;
while (*p == *t) {
if (t == target) return (UChar* )p;
p--; t--;
}
s += reg->map[*s];
}
}
else { /* see int_map[] */
while (s < end) {
p = s;
t = tail;
while (*p == *t) {
if (t == target) return (UChar* )p;
p--; t--;
}
s += reg->int_map[*s];
}
}
return (UChar* )NULL;
}
#ifdef USE_INT_MAP_BACKWARD
static int
set_bm_backward_skip(UChar* s, UChar* end, OnigEncoding enc ARG_UNUSED, int** skip)
{
int i, len;
if (IS_NULL(*skip)) {
*skip = (int* )xmalloc(sizeof(int) * ONIG_CHAR_TABLE_SIZE);
if (IS_NULL(*skip)) return ONIGERR_MEMORY;
}
len = end - s;
for (i = 0; i < ONIG_CHAR_TABLE_SIZE; i++)
(*skip)[i] = len;
for (i = len - 1; i > 0; i--)
(*skip)[s[i]] = i;
return 0;
}
static UChar*
bm_search_backward(regex_t* reg, const UChar* target, const UChar* target_end,
const UChar* text, const UChar* adjust_text,
const UChar* text_end, const UChar* text_start)
{
const UChar *s, *t, *p;
s = text_end - (target_end - target);
if (text_start < s)
s = text_start;
else
s = ONIGENC_LEFT_ADJUST_CHAR_HEAD(reg->enc, adjust_text, s);
while (s >= text) {
p = s;
t = target;
while (t < target_end && *p == *t) {
p++; t++;
}
if (t == target_end)
return (UChar* )s;
s -= reg->int_map_backward[*s];
s = ONIGENC_LEFT_ADJUST_CHAR_HEAD(reg->enc, adjust_text, s);
}
return (UChar* )NULL;
}
#endif
static UChar*
map_search(OnigEncoding enc, UChar map[],
const UChar* text, const UChar* text_range)
{
const UChar *s = text;
while (s < text_range) {
if (map[*s]) return (UChar* )s;
s += enclen(enc, s);
}
return (UChar* )NULL;
}
static UChar*
map_search_backward(OnigEncoding enc, UChar map[],
const UChar* text, const UChar* adjust_text,
const UChar* text_start)
{
const UChar *s = text_start;
while (s >= text) {
if (map[*s]) return (UChar* )s;
s = onigenc_get_prev_char_head(enc, adjust_text, s);
}
return (UChar* )NULL;
}
extern int
onig_match(regex_t* reg, const UChar* str, const UChar* end, const UChar* at,
OnigRegion* region, OnigOptionType option)
{
int r;
OnigMatchParam mp;
onig_initialize_match_param(&mp);
r = onig_match_with_param(reg, str, end, at, region, option, &mp);
onig_free_match_param_content(&mp);
return r;
}
extern int
onig_match_with_param(regex_t* reg, const UChar* str, const UChar* end,
const UChar* at, OnigRegion* region, OnigOptionType option,
OnigMatchParam* mp)
{
int r;
UChar *prev;
MatchArg msa;
ADJUST_MATCH_PARAM(reg, mp);
MATCH_ARG_INIT(msa, reg, option, region, at, mp);
if (region
#ifdef USE_POSIX_API_REGION_OPTION
&& !IS_POSIX_REGION(option)
#endif
) {
r = onig_region_resize_clear(region, reg->num_mem + 1);
}
else
r = 0;
if (r == 0) {
if (ONIG_IS_OPTION_ON(option, ONIG_OPTION_CHECK_VALIDITY_OF_STRING)) {
if (! ONIGENC_IS_VALID_MBC_STRING(reg->enc, str, end)) {
r = ONIGERR_INVALID_WIDE_CHAR_VALUE;
goto end;
}
}
prev = (UChar* )onigenc_get_prev_char_head(reg->enc, str, at);
r = match_at(reg, str, end, end, at, prev, &msa);
}
end:
MATCH_ARG_FREE(msa);
return r;
}
static int
forward_search_range(regex_t* reg, const UChar* str, const UChar* end, UChar* s,
UChar* range, UChar** low, UChar** high, UChar** low_prev)
{
UChar *p, *pprev = (UChar* )NULL;
#ifdef ONIG_DEBUG_SEARCH
fprintf(stderr, "forward_search_range: str: %p, end: %p, s: %p, range: %p\n",
str, end, s, range);
#endif
p = s;
if (reg->dmin > 0) {
if (ONIGENC_IS_SINGLEBYTE(reg->enc)) {
p += reg->dmin;
}
else {
UChar *q = p + reg->dmin;
if (q >= end) return 0; /* fail */
while (p < q) p += enclen(reg->enc, p);
}
}
retry:
switch (reg->optimize) {
case OPTIMIZE_EXACT:
p = slow_search(reg->enc, reg->exact, reg->exact_end, p, end, range);
break;
case OPTIMIZE_EXACT_IC:
p = slow_search_ic(reg->enc, reg->case_fold_flag,
reg->exact, reg->exact_end, p, end, range);
break;
case OPTIMIZE_EXACT_BM:
p = bm_search(reg, reg->exact, reg->exact_end, p, end, range);
break;
case OPTIMIZE_EXACT_BM_NO_REV:
p = bm_search_notrev(reg, reg->exact, reg->exact_end, p, end, range);
break;
case OPTIMIZE_MAP:
p = map_search(reg->enc, reg->map, p, range);
break;
}
if (p && p < range) {
if (p - reg->dmin < s) {
retry_gate:
pprev = p;
p += enclen(reg->enc, p);
goto retry;
}
if (reg->sub_anchor) {
UChar* prev;
switch (reg->sub_anchor) {
case ANCHOR_BEGIN_LINE:
if (!ON_STR_BEGIN(p)) {
prev = onigenc_get_prev_char_head(reg->enc,
(pprev ? pprev : str), p);
if (!ONIGENC_IS_MBC_NEWLINE(reg->enc, prev, end))
goto retry_gate;
}
break;
case ANCHOR_END_LINE:
if (ON_STR_END(p)) {
#ifndef USE_NEWLINE_AT_END_OF_STRING_HAS_EMPTY_LINE
prev = (UChar* )onigenc_get_prev_char_head(reg->enc,
(pprev ? pprev : str), p);
if (prev && ONIGENC_IS_MBC_NEWLINE(reg->enc, prev, end))
goto retry_gate;
#endif
}
else if (! ONIGENC_IS_MBC_NEWLINE(reg->enc, p, end)
#ifdef USE_CRNL_AS_LINE_TERMINATOR
&& ! ONIGENC_IS_MBC_CRNL(reg->enc, p, end)
#endif
)
goto retry_gate;
break;
}
}
if (reg->dmax == 0) {
*low = p;
if (low_prev) {
if (*low > s)
*low_prev = onigenc_get_prev_char_head(reg->enc, s, p);
else
*low_prev = onigenc_get_prev_char_head(reg->enc,
(pprev ? pprev : str), p);
}
}
else {
if (reg->dmax != INFINITE_LEN) {
if (p - str < reg->dmax) {
*low = (UChar* )str;
if (low_prev)
*low_prev = onigenc_get_prev_char_head(reg->enc, str, *low);
}
else {
*low = p - reg->dmax;
if (*low > s) {
*low = onigenc_get_right_adjust_char_head_with_prev(reg->enc, s,
*low, (const UChar** )low_prev);
if (low_prev && IS_NULL(*low_prev))
*low_prev = onigenc_get_prev_char_head(reg->enc,
(pprev ? pprev : s), *low);
}
else {
if (low_prev)
*low_prev = onigenc_get_prev_char_head(reg->enc,
(pprev ? pprev : str), *low);
}
}
}
}
/* no needs to adjust *high, *high is used as range check only */
*high = p - reg->dmin;
#ifdef ONIG_DEBUG_SEARCH
fprintf(stderr,
"forward_search_range success: low: %d, high: %d, dmin: %d, dmax: %d\n",
(int )(*low - str), (int )(*high - str), reg->dmin, reg->dmax);
#endif
return 1; /* success */
}
return 0; /* fail */
}
#define BM_BACKWARD_SEARCH_LENGTH_THRESHOLD 100
static int
backward_search_range(regex_t* reg, const UChar* str, const UChar* end,
UChar* s, const UChar* range, UChar* adjrange,
UChar** low, UChar** high)
{
UChar *p;
range += reg->dmin;
p = s;
retry:
switch (reg->optimize) {
case OPTIMIZE_EXACT:
exact_method:
p = slow_search_backward(reg->enc, reg->exact, reg->exact_end,
range, adjrange, end, p);
break;
case OPTIMIZE_EXACT_IC:
p = slow_search_backward_ic(reg->enc, reg->case_fold_flag,
reg->exact, reg->exact_end,
range, adjrange, end, p);
break;
case OPTIMIZE_EXACT_BM:
case OPTIMIZE_EXACT_BM_NO_REV:
#ifdef USE_INT_MAP_BACKWARD
if (IS_NULL(reg->int_map_backward)) {
int r;
if (s - range < BM_BACKWARD_SEARCH_LENGTH_THRESHOLD)
goto exact_method;
r = set_bm_backward_skip(reg->exact, reg->exact_end, reg->enc,
&(reg->int_map_backward));
if (r != 0) return r;
}
p = bm_search_backward(reg, reg->exact, reg->exact_end, range, adjrange,
end, p);
#else
goto exact_method;
#endif
break;
case OPTIMIZE_MAP:
p = map_search_backward(reg->enc, reg->map, range, adjrange, p);
break;
}
if (p) {
if (reg->sub_anchor) {
UChar* prev;
switch (reg->sub_anchor) {
case ANCHOR_BEGIN_LINE:
if (!ON_STR_BEGIN(p)) {
prev = onigenc_get_prev_char_head(reg->enc, str, p);
if (!ONIGENC_IS_MBC_NEWLINE(reg->enc, prev, end)) {
p = prev;
goto retry;
}
}
break;
case ANCHOR_END_LINE:
if (ON_STR_END(p)) {
#ifndef USE_NEWLINE_AT_END_OF_STRING_HAS_EMPTY_LINE
prev = onigenc_get_prev_char_head(reg->enc, adjrange, p);
if (IS_NULL(prev)) goto fail;
if (ONIGENC_IS_MBC_NEWLINE(reg->enc, prev, end)) {
p = prev;
goto retry;
}
#endif
}
else if (! ONIGENC_IS_MBC_NEWLINE(reg->enc, p, end)
#ifdef USE_CRNL_AS_LINE_TERMINATOR
&& ! ONIGENC_IS_MBC_CRNL(reg->enc, p, end)
#endif
) {
p = onigenc_get_prev_char_head(reg->enc, adjrange, p);
if (IS_NULL(p)) goto fail;
goto retry;
}
break;
}
}
/* no needs to adjust *high, *high is used as range check only */
if (reg->dmax != INFINITE_LEN) {
*low = p - reg->dmax;
*high = p - reg->dmin;
*high = onigenc_get_right_adjust_char_head(reg->enc, adjrange, *high);
}
#ifdef ONIG_DEBUG_SEARCH
fprintf(stderr, "backward_search_range: low: %d, high: %d\n",
(int )(*low - str), (int )(*high - str));
#endif
return 1; /* success */
}
fail:
#ifdef ONIG_DEBUG_SEARCH
fprintf(stderr, "backward_search_range: fail.\n");
#endif
return 0; /* fail */
}
extern int
onig_search(regex_t* reg, const UChar* str, const UChar* end,
const UChar* start, const UChar* range, OnigRegion* region,
OnigOptionType option)
{
int r;
OnigMatchParam mp;
onig_initialize_match_param(&mp);
r = onig_search_with_param(reg, str, end, start, range, region, option, &mp);
onig_free_match_param_content(&mp);
return r;
}
extern int
onig_search_with_param(regex_t* reg, const UChar* str, const UChar* end,
const UChar* start, const UChar* range, OnigRegion* region,
OnigOptionType option, OnigMatchParam* mp)
{
int r;
UChar *s, *prev;
MatchArg msa;
const UChar *orig_start = start;
const UChar *orig_range = range;
#ifdef ONIG_DEBUG_SEARCH
fprintf(stderr,
"onig_search (entry point): str: %p, end: %d, start: %d, range: %d\n",
str, (int )(end - str), (int )(start - str), (int )(range - str));
#endif
ADJUST_MATCH_PARAM(reg, mp);
if (region
#ifdef USE_POSIX_API_REGION_OPTION
&& !IS_POSIX_REGION(option)
#endif
) {
r = onig_region_resize_clear(region, reg->num_mem + 1);
if (r != 0) goto finish_no_msa;
}
if (start > end || start < str) goto mismatch_no_msa;
if (ONIG_IS_OPTION_ON(option, ONIG_OPTION_CHECK_VALIDITY_OF_STRING)) {
if (! ONIGENC_IS_VALID_MBC_STRING(reg->enc, str, end)) {
r = ONIGERR_INVALID_WIDE_CHAR_VALUE;
goto finish_no_msa;
}
}
#ifdef USE_FIND_LONGEST_SEARCH_ALL_OF_RANGE
#define MATCH_AND_RETURN_CHECK(upper_range) \
r = match_at(reg, str, end, (upper_range), s, prev, &msa); \
if (r != ONIG_MISMATCH) {\
if (r >= 0) {\
if (! IS_FIND_LONGEST(reg->options)) {\
goto match;\
}\
}\
else goto finish; /* error */ \
}
#else
#define MATCH_AND_RETURN_CHECK(upper_range) \
r = match_at(reg, str, end, (upper_range), s, prev, &msa); \
if (r != ONIG_MISMATCH) {\
if (r >= 0) {\
goto match;\
}\
else goto finish; /* error */ \
}
#endif /* USE_FIND_LONGEST_SEARCH_ALL_OF_RANGE */
/* anchor optimize: resume search range */
if (reg->anchor != 0 && str < end) {
UChar *min_semi_end, *max_semi_end;
if (reg->anchor & ANCHOR_BEGIN_POSITION) {
/* search start-position only */
begin_position:
if (range > start)
range = start + 1;
else
range = start;
}
else if (reg->anchor & ANCHOR_BEGIN_BUF) {
/* search str-position only */
if (range > start) {
if (start != str) goto mismatch_no_msa;
range = str + 1;
}
else {
if (range <= str) {
start = str;
range = str;
}
else
goto mismatch_no_msa;
}
}
else if (reg->anchor & ANCHOR_END_BUF) {
min_semi_end = max_semi_end = (UChar* )end;
end_buf:
if ((OnigLen )(max_semi_end - str) < reg->anchor_dmin)
goto mismatch_no_msa;
if (range > start) {
if ((OnigLen )(min_semi_end - start) > reg->anchor_dmax) {
start = min_semi_end - reg->anchor_dmax;
if (start < end)
start = onigenc_get_right_adjust_char_head(reg->enc, str, start);
}
if ((OnigLen )(max_semi_end - (range - 1)) < reg->anchor_dmin) {
range = max_semi_end - reg->anchor_dmin + 1;
}
if (start > range) goto mismatch_no_msa;
/* If start == range, match with empty at end.
Backward search is used. */
}
else {
if ((OnigLen )(min_semi_end - range) > reg->anchor_dmax) {
range = min_semi_end - reg->anchor_dmax;
}
if ((OnigLen )(max_semi_end - start) < reg->anchor_dmin) {
start = max_semi_end - reg->anchor_dmin;
start = ONIGENC_LEFT_ADJUST_CHAR_HEAD(reg->enc, str, start);
}
if (range > start) goto mismatch_no_msa;
}
}
else if (reg->anchor & ANCHOR_SEMI_END_BUF) {
UChar* pre_end = ONIGENC_STEP_BACK(reg->enc, str, end, 1);
max_semi_end = (UChar* )end;
if (ONIGENC_IS_MBC_NEWLINE(reg->enc, pre_end, end)) {
min_semi_end = pre_end;
#ifdef USE_CRNL_AS_LINE_TERMINATOR
pre_end = ONIGENC_STEP_BACK(reg->enc, str, pre_end, 1);
if (IS_NOT_NULL(pre_end) &&
ONIGENC_IS_MBC_CRNL(reg->enc, pre_end, end)) {
min_semi_end = pre_end;
}
#endif
if (min_semi_end > str && start <= min_semi_end) {
goto end_buf;
}
}
else {
min_semi_end = (UChar* )end;
goto end_buf;
}
}
else if ((reg->anchor & ANCHOR_ANYCHAR_INF_ML)) {
goto begin_position;
}
}
else if (str == end) { /* empty string */
static const UChar* address_for_empty_string = (UChar* )"";
#ifdef ONIG_DEBUG_SEARCH
fprintf(stderr, "onig_search: empty string.\n");
#endif
if (reg->threshold_len == 0) {
start = end = str = address_for_empty_string;
s = (UChar* )start;
prev = (UChar* )NULL;
MATCH_ARG_INIT(msa, reg, option, region, start, mp);
MATCH_AND_RETURN_CHECK(end);
goto mismatch;
}
goto mismatch_no_msa;
}
#ifdef ONIG_DEBUG_SEARCH
fprintf(stderr, "onig_search(apply anchor): end: %d, start: %d, range: %d\n",
(int )(end - str), (int )(start - str), (int )(range - str));
#endif
MATCH_ARG_INIT(msa, reg, option, region, orig_start, mp);
s = (UChar* )start;
if (range > start) { /* forward search */
if (s > str)
prev = onigenc_get_prev_char_head(reg->enc, str, s);
else
prev = (UChar* )NULL;
if (reg->optimize != OPTIMIZE_NONE) {
UChar *sch_range, *low, *high, *low_prev;
sch_range = (UChar* )range;
if (reg->dmax != 0) {
if (reg->dmax == INFINITE_LEN)
sch_range = (UChar* )end;
else {
sch_range += reg->dmax;
if (sch_range > end) sch_range = (UChar* )end;
}
}
if ((end - start) < reg->threshold_len)
goto mismatch;
if (reg->dmax != INFINITE_LEN) {
do {
if (! forward_search_range(reg, str, end, s, sch_range,
&low, &high, &low_prev)) goto mismatch;
if (s < low) {
s = low;
prev = low_prev;
}
while (s <= high) {
MATCH_AND_RETURN_CHECK(orig_range);
prev = s;
s += enclen(reg->enc, s);
}
} while (s < range);
goto mismatch;
}
else { /* check only. */
if (! forward_search_range(reg, str, end, s, sch_range,
&low, &high, (UChar** )NULL)) goto mismatch;
if ((reg->anchor & ANCHOR_ANYCHAR_INF) != 0) {
do {
MATCH_AND_RETURN_CHECK(orig_range);
prev = s;
s += enclen(reg->enc, s);
if ((reg->anchor & (ANCHOR_LOOK_BEHIND | ANCHOR_PREC_READ_NOT)) == 0) {
while (!ONIGENC_IS_MBC_NEWLINE(reg->enc, prev, end) && s < range) {
prev = s;
s += enclen(reg->enc, s);
}
}
} while (s < range);
goto mismatch;
}
}
}
do {
MATCH_AND_RETURN_CHECK(orig_range);
prev = s;
s += enclen(reg->enc, s);
} while (s < range);
if (s == range) { /* because empty match with /$/. */
MATCH_AND_RETURN_CHECK(orig_range);
}
}
else { /* backward search */
if (orig_start < end)
orig_start += enclen(reg->enc, orig_start); /* is upper range */
if (reg->optimize != OPTIMIZE_NONE) {
UChar *low, *high, *adjrange, *sch_start;
if (range < end)
adjrange = ONIGENC_LEFT_ADJUST_CHAR_HEAD(reg->enc, str, range);
else
adjrange = (UChar* )end;
if (reg->dmax != INFINITE_LEN &&
(end - range) >= reg->threshold_len) {
do {
sch_start = s + reg->dmax;
if (sch_start > end) sch_start = (UChar* )end;
if (backward_search_range(reg, str, end, sch_start, range, adjrange,
&low, &high) <= 0)
goto mismatch;
if (s > high)
s = high;
while (s >= low) {
prev = onigenc_get_prev_char_head(reg->enc, str, s);
MATCH_AND_RETURN_CHECK(orig_start);
s = prev;
}
} while (s >= range);
goto mismatch;
}
else { /* check only. */
if ((end - range) < reg->threshold_len) goto mismatch;
sch_start = s;
if (reg->dmax != 0) {
if (reg->dmax == INFINITE_LEN)
sch_start = (UChar* )end;
else {
sch_start += reg->dmax;
if (sch_start > end) sch_start = (UChar* )end;
else
sch_start = ONIGENC_LEFT_ADJUST_CHAR_HEAD(reg->enc,
start, sch_start);
}
}
if (backward_search_range(reg, str, end, sch_start, range, adjrange,
&low, &high) <= 0) goto mismatch;
}
}
do {
prev = onigenc_get_prev_char_head(reg->enc, str, s);
MATCH_AND_RETURN_CHECK(orig_start);
s = prev;
} while (s >= range);
}
mismatch:
#ifdef USE_FIND_LONGEST_SEARCH_ALL_OF_RANGE
if (IS_FIND_LONGEST(reg->options)) {
if (msa.best_len >= 0) {
s = msa.best_s;
goto match;
}
}
#endif
r = ONIG_MISMATCH;
finish:
MATCH_ARG_FREE(msa);
/* If result is mismatch and no FIND_NOT_EMPTY option,
then the region is not set in match_at(). */
if (IS_FIND_NOT_EMPTY(reg->options) && region
#ifdef USE_POSIX_API_REGION_OPTION
&& !IS_POSIX_REGION(option)
#endif
) {
onig_region_clear(region);
}
#ifdef ONIG_DEBUG
if (r != ONIG_MISMATCH)
fprintf(stderr, "onig_search: error %d\n", r);
#endif
return r;
mismatch_no_msa:
r = ONIG_MISMATCH;
finish_no_msa:
#ifdef ONIG_DEBUG
if (r != ONIG_MISMATCH)
fprintf(stderr, "onig_search: error %d\n", r);
#endif
return r;
match:
MATCH_ARG_FREE(msa);
return (int )(s - str);
}
extern int
onig_scan(regex_t* reg, const UChar* str, const UChar* end,
OnigRegion* region, OnigOptionType option,
int (*scan_callback)(int, int, OnigRegion*, void*),
void* callback_arg)
{
int r;
int n;
int rs;
const UChar* start;
if (ONIG_IS_OPTION_ON(option, ONIG_OPTION_CHECK_VALIDITY_OF_STRING)) {
if (! ONIGENC_IS_VALID_MBC_STRING(reg->enc, str, end))
return ONIGERR_INVALID_WIDE_CHAR_VALUE;
ONIG_OPTION_OFF(option, ONIG_OPTION_CHECK_VALIDITY_OF_STRING);
}
n = 0;
start = str;
while (1) {
r = onig_search(reg, str, end, start, end, region, option);
if (r >= 0) {
rs = scan_callback(n, r, region, callback_arg);
n++;
if (rs != 0)
return rs;
if (region->end[0] == start - str) {
if (start >= end) break;
start += enclen(reg->enc, start);
}
else
start = str + region->end[0];
if (start > end)
break;
}
else if (r == ONIG_MISMATCH) {
break;
}
else { /* error */
return r;
}
}
return n;
}
extern OnigEncoding
onig_get_encoding(regex_t* reg)
{
return reg->enc;
}
extern OnigOptionType
onig_get_options(regex_t* reg)
{
return reg->options;
}
extern OnigCaseFoldType
onig_get_case_fold_flag(regex_t* reg)
{
return reg->case_fold_flag;
}
extern OnigSyntaxType*
onig_get_syntax(regex_t* reg)
{
return reg->syntax;
}
extern int
onig_number_of_captures(regex_t* reg)
{
return reg->num_mem;
}
extern int
onig_number_of_capture_histories(regex_t* reg)
{
#ifdef USE_CAPTURE_HISTORY
int i, n;
n = 0;
for (i = 0; i <= ONIG_MAX_CAPTURE_HISTORY_GROUP; i++) {
if (MEM_STATUS_AT(reg->capture_history, i) != 0)
n++;
}
return n;
#else
return 0;
#endif
}
extern void
onig_copy_encoding(OnigEncoding to, OnigEncoding from)
{
*to = *from;
}
/* for callout functions */
#ifdef USE_CALLOUT
extern OnigCalloutFunc
onig_get_progress_callout(void)
{
return DefaultProgressCallout;
}
extern int
onig_set_progress_callout(OnigCalloutFunc f)
{
DefaultProgressCallout = f;
return ONIG_NORMAL;
}
extern OnigCalloutFunc
onig_get_retraction_callout(void)
{
return DefaultRetractionCallout;
}
extern int
onig_set_retraction_callout(OnigCalloutFunc f)
{
DefaultRetractionCallout = f;
return ONIG_NORMAL;
}
extern int
onig_get_callout_num_by_callout_args(OnigCalloutArgs* args)
{
return args->num;
}
extern OnigCalloutIn
onig_get_callout_in_by_callout_args(OnigCalloutArgs* args)
{
return args->in;
}
extern int
onig_get_name_id_by_callout_args(OnigCalloutArgs* args)
{
return args->name_id;
}
extern const UChar*
onig_get_contents_by_callout_args(OnigCalloutArgs* args)
{
int num;
CalloutListEntry* e;
num = args->num;
e = onig_reg_callout_list_at(args->regex, num);
if (IS_NULL(e)) return 0;
if (e->of == ONIG_CALLOUT_OF_CONTENTS) {
return e->u.content.start;
}
return 0;
}
extern const UChar*
onig_get_contents_end_by_callout_args(OnigCalloutArgs* args)
{
int num;
CalloutListEntry* e;
num = args->num;
e = onig_reg_callout_list_at(args->regex, num);
if (IS_NULL(e)) return 0;
if (e->of == ONIG_CALLOUT_OF_CONTENTS) {
return e->u.content.end;
}
return 0;
}
extern int
onig_get_args_num_by_callout_args(OnigCalloutArgs* args)
{
int num;
CalloutListEntry* e;
num = args->num;
e = onig_reg_callout_list_at(args->regex, num);
if (IS_NULL(e)) return ONIGERR_INVALID_ARGUMENT;
if (e->of == ONIG_CALLOUT_OF_NAME) {
return e->u.arg.num;
}
return ONIGERR_INVALID_ARGUMENT;
}
extern int
onig_get_passed_args_num_by_callout_args(OnigCalloutArgs* args)
{
int num;
CalloutListEntry* e;
num = args->num;
e = onig_reg_callout_list_at(args->regex, num);
if (IS_NULL(e)) return ONIGERR_INVALID_ARGUMENT;
if (e->of == ONIG_CALLOUT_OF_NAME) {
return e->u.arg.passed_num;
}
return ONIGERR_INVALID_ARGUMENT;
}
extern int
onig_get_arg_by_callout_args(OnigCalloutArgs* args, int index,
OnigType* type, OnigValue* val)
{
int num;
CalloutListEntry* e;
num = args->num;
e = onig_reg_callout_list_at(args->regex, num);
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];
return ONIG_NORMAL;
}
return ONIGERR_INVALID_ARGUMENT;
}
extern const UChar*
onig_get_string_by_callout_args(OnigCalloutArgs* args)
{
return args->string;
}
extern const UChar*
onig_get_string_end_by_callout_args(OnigCalloutArgs* args)
{
return args->string_end;
}
extern const UChar*
onig_get_start_by_callout_args(OnigCalloutArgs* args)
{
return args->start;
}
extern const UChar*
onig_get_right_range_by_callout_args(OnigCalloutArgs* args)
{
return args->right_range;
}
extern const UChar*
onig_get_current_by_callout_args(OnigCalloutArgs* args)
{
return args->current;
}
extern OnigRegex
onig_get_regex_by_callout_args(OnigCalloutArgs* args)
{
return args->regex;
}
extern unsigned long
onig_get_retry_counter_by_callout_args(OnigCalloutArgs* args)
{
return args->retry_in_match_counter;
}
extern int
onig_get_capture_range_in_callout(OnigCalloutArgs* a, int mem_num, int* begin, int* end)
{
OnigRegex reg;
const UChar* str;
StackType* stk_base;
int i;
i = mem_num;
reg = a->regex;
str = a->string;
stk_base = a->stk_base;
if (i > 0) {
if (a->mem_end_stk[i] != INVALID_STACK_INDEX) {
if (MEM_STATUS_AT(reg->bt_mem_start, i))
*begin = (int )(STACK_AT(a->mem_start_stk[i])->u.mem.pstr - str);
else
*begin = (int )((UChar* )((void* )a->mem_start_stk[i]) - str);
*end = (int )((MEM_STATUS_AT(reg->bt_mem_end, i)
? STACK_AT(a->mem_end_stk[i])->u.mem.pstr
: (UChar* )((void* )a->mem_end_stk[i])) - str);
}
else {
*begin = *end = ONIG_REGION_NOTPOS;
}
}
else if (i == 0) {
#if 0
*begin = a->start - str;
*end = a->current - str;
#else
return ONIGERR_INVALID_ARGUMENT;
#endif
}
else
return ONIGERR_INVALID_ARGUMENT;
return ONIG_NORMAL;
}
extern int
onig_get_used_stack_size_in_callout(OnigCalloutArgs* a, int* used_num, int* used_bytes)
{
int n;
n = (int )(a->stk - a->stk_base);
if (used_num != 0)
*used_num = n;
if (used_bytes != 0)
*used_bytes = n * sizeof(StackType);
return ONIG_NORMAL;
}
/* builtin callout functions */
extern int
onig_builtin_fail(OnigCalloutArgs* args ARG_UNUSED, void* user_data ARG_UNUSED)
{
return ONIG_CALLOUT_FAIL;
}
extern int
onig_builtin_mismatch(OnigCalloutArgs* args ARG_UNUSED, void* user_data ARG_UNUSED)
{
return ONIG_MISMATCH;
}
#if 0
extern int
onig_builtin_success(OnigCalloutArgs* args ARG_UNUSED, void* user_data ARG_UNUSED)
{
return ONIG_CALLOUT_SUCCESS;
}
#endif
extern int
onig_builtin_error(OnigCalloutArgs* args, void* user_data ARG_UNUSED)
{
int r;
int n;
OnigValue val;
r = onig_get_arg_by_callout_args(args, 0, 0, &val);
if (r != ONIG_NORMAL) return r;
n = (int )val.l;
if (n >= 0) {
n = ONIGERR_INVALID_CALLOUT_BODY;
}
return n;
}
extern int
onig_builtin_count(OnigCalloutArgs* args, void* user_data)
{
(void )onig_check_callout_data_and_clear_old_values(args);
return onig_builtin_total_count(args, user_data);
}
extern int
onig_builtin_total_count(OnigCalloutArgs* args, void* user_data ARG_UNUSED)
{
int r;
int slot;
OnigType type;
OnigValue val;
OnigValue aval;
OnigCodePoint count_type;
r = onig_get_arg_by_callout_args(args, 0, &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;
r = onig_get_callout_data_by_callout_args_self_dont_clear_old(args, 0,
&type, &val);
if (r < ONIG_NORMAL)
return r;
else if (r > ONIG_NORMAL) {
/* type == void: initial state */
val.l = 0;
}
if (args->in == ONIG_CALLOUT_IN_RETRACTION) {
slot = 2;
if (count_type == '<')
val.l++;
else if (count_type == 'X')
val.l--;
}
else {
slot = 1;
if (count_type != '<')
val.l++;
}
r = onig_set_callout_data_by_callout_args_self(args, 0, ONIG_TYPE_LONG, &val);
if (r != ONIG_NORMAL) return r;
/* slot 1: in progress counter, slot 2: in retraction counter */
r = onig_get_callout_data_by_callout_args_self_dont_clear_old(args, slot,
&type, &val);
if (r < ONIG_NORMAL)
return r;
else if (r > ONIG_NORMAL) {
val.l = 0;
}
val.l++;
r = onig_set_callout_data_by_callout_args_self(args, slot, ONIG_TYPE_LONG, &val);
if (r != ONIG_NORMAL) return r;
return ONIG_CALLOUT_SUCCESS;
}
extern int
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;
(void )onig_check_callout_data_and_clear_old_values(args);
slot = 0;
r = onig_get_callout_data_by_callout_args_self(args, slot, &type, &val);
if (r < ONIG_NORMAL)
return r;
else if (r > ONIG_NORMAL) {
/* type == void: initial state */
type = ONIG_TYPE_LONG;
val.l = 0;
}
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) {
if (count_type == '<') {
if (val.l >= max_val) return ONIG_CALLOUT_FAIL;
val.l++;
}
else if (count_type == 'X')
val.l--;
}
else {
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);
if (r != ONIG_NORMAL) return r;
return ONIG_CALLOUT_SUCCESS;
}
enum OP_CMP {
OP_EQ,
OP_NE,
OP_LT,
OP_GT,
OP_LE,
OP_GE
};
extern int
onig_builtin_cmp(OnigCalloutArgs* args, void* user_data ARG_UNUSED)
{
int r;
int slot;
long lv;
long rv;
OnigType type;
OnigValue val;
regex_t* reg;
enum OP_CMP op;
reg = args->regex;
r = onig_get_arg_by_callout_args(args, 0, &type, &val);
if (r != ONIG_NORMAL) return r;
if (type == ONIG_TYPE_TAG) {
r = onig_get_callout_data_by_callout_args(args, val.tag, 0, &type, &val);
if (r < ONIG_NORMAL) return r;
else if (r > ONIG_NORMAL)
lv = 0L;
else
lv = val.l;
}
else { /* ONIG_TYPE_LONG */
lv = val.l;
}
r = onig_get_arg_by_callout_args(args, 2, &type, &val);
if (r != ONIG_NORMAL) return r;
if (type == ONIG_TYPE_TAG) {
r = onig_get_callout_data_by_callout_args(args, val.tag, 0, &type, &val);
if (r < ONIG_NORMAL) return r;
else if (r > ONIG_NORMAL)
rv = 0L;
else
rv = val.l;
}
else { /* ONIG_TYPE_LONG */
rv = val.l;
}
slot = 0;
r = onig_get_callout_data_by_callout_args_self(args, slot, &type, &val);
if (r < ONIG_NORMAL)
return r;
else if (r > ONIG_NORMAL) {
/* type == void: initial state */
OnigCodePoint c1, c2;
UChar* p;
r = onig_get_arg_by_callout_args(args, 1, &type, &val);
if (r != ONIG_NORMAL) return r;
p = val.s.start;
c1 = ONIGENC_MBC_TO_CODE(reg->enc, p, val.s.end);
p += ONIGENC_MBC_ENC_LEN(reg->enc, p);
if (p < val.s.end) {
c2 = ONIGENC_MBC_TO_CODE(reg->enc, p, val.s.end);
p += ONIGENC_MBC_ENC_LEN(reg->enc, p);
if (p != val.s.end) return ONIGERR_INVALID_CALLOUT_ARG;
}
else
c2 = 0;
switch (c1) {
case '=':
if (c2 != '=') return ONIGERR_INVALID_CALLOUT_ARG;
op = OP_EQ;
break;
case '!':
if (c2 != '=') return ONIGERR_INVALID_CALLOUT_ARG;
op = OP_NE;
break;
case '<':
if (c2 == '=') op = OP_LE;
else if (c2 == 0) op = OP_LT;
else return ONIGERR_INVALID_CALLOUT_ARG;
break;
case '>':
if (c2 == '=') op = OP_GE;
else if (c2 == 0) op = OP_GT;
else return ONIGERR_INVALID_CALLOUT_ARG;
break;
default:
return ONIGERR_INVALID_CALLOUT_ARG;
break;
}
val.l = (long )op;
r = onig_set_callout_data_by_callout_args_self(args, slot, ONIG_TYPE_LONG, &val);
if (r != ONIG_NORMAL) return r;
}
else {
op = (enum OP_CMP )val.l;
}
switch (op) {
case OP_EQ: r = (lv == rv); break;
case OP_NE: r = (lv != rv); break;
case OP_LT: r = (lv < rv); break;
case OP_GT: r = (lv > rv); break;
case OP_LE: r = (lv <= rv); break;
case OP_GE: r = (lv >= rv); break;
}
return r == 0 ? ONIG_CALLOUT_FAIL : ONIG_CALLOUT_SUCCESS;
}
#include <stdio.h>
static FILE* OutFp;
/* name start with "onig_" for macros. */
static int
onig_builtin_monitor(OnigCalloutArgs* args, void* user_data)
{
int r;
int num;
size_t tag_len;
const UChar* start;
const UChar* right;
const UChar* current;
const UChar* string;
const UChar* strend;
const UChar* tag_start;
const UChar* tag_end;
regex_t* reg;
OnigCalloutIn in;
OnigType type;
OnigValue val;
char buf[20];
FILE* fp;
fp = OutFp;
r = onig_get_arg_by_callout_args(args, 0, &type, &val);
if (r != ONIG_NORMAL) return r;
in = onig_get_callout_in_by_callout_args(args);
if (in == ONIG_CALLOUT_IN_PROGRESS) {
if (val.c == '<')
return ONIG_CALLOUT_SUCCESS;
}
else {
if (val.c != 'X' && val.c != '<')
return ONIG_CALLOUT_SUCCESS;
}
num = onig_get_callout_num_by_callout_args(args);
start = onig_get_start_by_callout_args(args);
right = onig_get_right_range_by_callout_args(args);
current = onig_get_current_by_callout_args(args);
string = onig_get_string_by_callout_args(args);
strend = onig_get_string_end_by_callout_args(args);
reg = onig_get_regex_by_callout_args(args);
tag_start = onig_get_callout_tag_start(reg, num);
tag_end = onig_get_callout_tag_end(reg, num);
if (tag_start == 0)
xsnprintf(buf, sizeof(buf), "#%d", num);
else {
/* CAUTION: tag string is not terminated with NULL. */
int i;
tag_len = tag_end - tag_start;
if (tag_len >= sizeof(buf)) tag_len = sizeof(buf) - 1;
for (i = 0; i < tag_len; i++) buf[i] = tag_start[i];
buf[tag_len] = '\0';
}
fprintf(fp, "ONIG-MONITOR: %-4s %s at: %d [%d - %d] len: %d\n",
buf,
in == ONIG_CALLOUT_IN_PROGRESS ? "=>" : "<=",
(int )(current - string),
(int )(start - string),
(int )(right - string),
(int )(strend - string));
fflush(fp);
return ONIG_CALLOUT_SUCCESS;
}
extern int
onig_setup_builtin_monitors_by_ascii_encoded_name(void* fp /* FILE* */)
{
int id;
char* name;
OnigEncoding enc;
unsigned int ts[4];
OnigValue opts[4];
if (IS_NOT_NULL(fp))
OutFp = (FILE* )fp;
else
OutFp = stdout;
enc = ONIG_ENCODING_ASCII;
name = "MON";
ts[0] = ONIG_TYPE_CHAR;
opts[0].c = '>';
BC_B_O(name, monitor, 1, ts, 1, opts);
return ONIG_NORMAL;
}
#endif /* USE_CALLOUT */