mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
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456 lines
15 KiB
C
456 lines
15 KiB
C
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#ifndef REGPARSE_H
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#define REGPARSE_H
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/**********************************************************************
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regparse.h - Oniguruma (regular expression library)
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**********************************************************************/
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/*-
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* Copyright (c) 2002-2019 K.Kosako <sndgk393 AT ybb DOT ne DOT jp>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "regint.h"
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#define NODE_STRING_MARGIN 16
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#define NODE_STRING_BUF_SIZE 24 /* sizeof(CClassNode) - sizeof(int)*4 */
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#define NODE_BACKREFS_SIZE 6
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/* node type */
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typedef enum {
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NODE_STRING = 0,
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NODE_CCLASS = 1,
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NODE_CTYPE = 2,
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NODE_BACKREF = 3,
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NODE_QUANT = 4,
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NODE_BAG = 5,
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NODE_ANCHOR = 6,
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NODE_LIST = 7,
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NODE_ALT = 8,
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NODE_CALL = 9,
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NODE_GIMMICK = 10
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} NodeType;
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enum BagType {
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BAG_MEMORY = 0,
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BAG_OPTION = 1,
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BAG_STOP_BACKTRACK = 2,
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BAG_IF_ELSE = 3,
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};
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enum GimmickType {
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GIMMICK_FAIL = 0,
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GIMMICK_SAVE = 1,
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GIMMICK_UPDATE_VAR = 2,
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#ifdef USE_CALLOUT
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GIMMICK_CALLOUT = 3,
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#endif
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};
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enum BodyEmptyType {
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BODY_IS_NOT_EMPTY = 0,
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BODY_IS_EMPTY_POSSIBILITY = 1,
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BODY_IS_EMPTY_POSSIBILITY_MEM = 2,
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BODY_IS_EMPTY_POSSIBILITY_REC = 3
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};
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typedef struct {
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NodeType node_type;
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int status;
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UChar* s;
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UChar* end;
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unsigned int flag;
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int capacity; /* (allocated size - 1) or 0: use buf[] */
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UChar buf[NODE_STRING_BUF_SIZE];
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} StrNode;
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typedef struct {
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NodeType node_type;
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int status;
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unsigned int flags;
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BitSet bs;
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BBuf* mbuf; /* multi-byte info or NULL */
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} CClassNode;
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typedef struct {
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NodeType node_type;
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int status;
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struct _Node* body;
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int lower;
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int upper;
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int greedy;
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enum BodyEmptyType emptiness;
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struct _Node* head_exact;
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struct _Node* next_head_exact;
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int is_refered; /* include called node. don't eliminate even if {0} */
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} QuantNode;
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typedef struct {
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NodeType node_type;
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int status;
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struct _Node* body;
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enum BagType type;
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union {
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struct {
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int regnum;
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AbsAddrType called_addr;
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int entry_count;
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int called_state;
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} m;
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struct {
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OnigOptionType options;
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} o;
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struct {
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/* body is condition */
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struct _Node* Then;
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struct _Node* Else;
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} te;
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};
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/* for multiple call reference */
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OnigLen min_len; /* min length (byte) */
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OnigLen max_len; /* max length (byte) */
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int char_len; /* character length */
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int opt_count; /* referenced count in optimize_nodes() */
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} BagNode;
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#ifdef USE_CALL
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typedef struct {
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int offset;
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struct _Node* target;
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} UnsetAddr;
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typedef struct {
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int num;
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int alloc;
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UnsetAddr* us;
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} UnsetAddrList;
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typedef struct {
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NodeType node_type;
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int status;
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struct _Node* body; /* to BagNode : BAG_MEMORY */
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int by_number;
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int group_num;
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UChar* name;
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UChar* name_end;
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int entry_count;
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} CallNode;
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#endif
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typedef struct {
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NodeType node_type;
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int status;
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int back_num;
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int back_static[NODE_BACKREFS_SIZE];
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int* back_dynamic;
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int nest_level;
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} BackRefNode;
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typedef struct {
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NodeType node_type;
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int status;
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struct _Node* body;
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int type;
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int char_len;
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int ascii_mode;
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} AnchorNode;
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typedef struct {
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NodeType node_type;
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int status;
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struct _Node* car;
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struct _Node* cdr;
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} ConsAltNode;
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typedef struct {
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NodeType node_type;
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int status;
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int ctype;
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int not;
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OnigOptionType options;
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int ascii_mode;
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} CtypeNode;
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typedef struct {
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NodeType node_type;
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int status;
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enum GimmickType type;
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int detail_type;
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int num;
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int id;
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} GimmickNode;
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typedef struct _Node {
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union {
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struct {
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NodeType node_type;
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int status;
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struct _Node* body;
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} base;
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StrNode str;
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CClassNode cclass;
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QuantNode quant;
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BagNode bag;
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BackRefNode backref;
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AnchorNode anchor;
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ConsAltNode cons;
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CtypeNode ctype;
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#ifdef USE_CALL
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CallNode call;
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#endif
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GimmickNode gimmick;
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} u;
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} Node;
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#define NULL_NODE ((Node* )0)
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/* node type bit */
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#define NODE_TYPE2BIT(type) (1<<(type))
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#define NODE_BIT_STRING NODE_TYPE2BIT(NODE_STRING)
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#define NODE_BIT_CCLASS NODE_TYPE2BIT(NODE_CCLASS)
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#define NODE_BIT_CTYPE NODE_TYPE2BIT(NODE_CTYPE)
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#define NODE_BIT_BACKREF NODE_TYPE2BIT(NODE_BACKREF)
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#define NODE_BIT_QUANT NODE_TYPE2BIT(NODE_QUANT)
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#define NODE_BIT_BAG NODE_TYPE2BIT(NODE_BAG)
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#define NODE_BIT_ANCHOR NODE_TYPE2BIT(NODE_ANCHOR)
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#define NODE_BIT_LIST NODE_TYPE2BIT(NODE_LIST)
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#define NODE_BIT_ALT NODE_TYPE2BIT(NODE_ALT)
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#define NODE_BIT_CALL NODE_TYPE2BIT(NODE_CALL)
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#define NODE_BIT_GIMMICK NODE_TYPE2BIT(NODE_GIMMICK)
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#define NODE_TYPE(node) ((node)->u.base.node_type)
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#define NODE_SET_TYPE(node, ntype) (node)->u.base.node_type = (ntype)
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#define STR_(node) (&((node)->u.str))
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#define CCLASS_(node) (&((node)->u.cclass))
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#define CTYPE_(node) (&((node)->u.ctype))
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#define BACKREF_(node) (&((node)->u.backref))
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#define QUANT_(node) (&((node)->u.quant))
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#define BAG_(node) (&((node)->u.bag))
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#define ANCHOR_(node) (&((node)->u.anchor))
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#define CONS_(node) (&((node)->u.cons))
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#define CALL_(node) (&((node)->u.call))
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#define GIMMICK_(node) (&((node)->u.gimmick))
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#define NODE_CAR(node) (CONS_(node)->car)
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#define NODE_CDR(node) (CONS_(node)->cdr)
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#define CTYPE_ANYCHAR -1
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#define NODE_IS_ANYCHAR(node) \
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(NODE_TYPE(node) == NODE_CTYPE && CTYPE_(node)->ctype == CTYPE_ANYCHAR)
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#define CTYPE_OPTION(node, reg) \
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(NODE_IS_FIXED_OPTION(node) ? CTYPE_(node)->options : reg->options)
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#define ANCR_ANYCHAR_INF_MASK (ANCR_ANYCHAR_INF | ANCR_ANYCHAR_INF_ML)
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#define ANCR_END_BUF_MASK (ANCR_END_BUF | ANCR_SEMI_END_BUF)
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#define NODE_STRING_RAW (1<<0) /* by backslashed number */
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#define NODE_STRING_AMBIG (1<<1)
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#define NODE_STRING_GOOD_AMBIG (1<<2)
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#define NODE_STRING_DONT_GET_OPT_INFO (1<<3)
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#define NODE_STRING_LEN(node) (int )((node)->u.str.end - (node)->u.str.s)
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#define NODE_STRING_SET_RAW(node) (node)->u.str.flag |= NODE_STRING_RAW
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#define NODE_STRING_CLEAR_RAW(node) (node)->u.str.flag &= ~NODE_STRING_RAW
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#define NODE_STRING_SET_AMBIG(node) (node)->u.str.flag |= NODE_STRING_AMBIG
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#define NODE_STRING_SET_GOOD_AMBIG(node) (node)->u.str.flag |= NODE_STRING_GOOD_AMBIG
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#define NODE_STRING_SET_DONT_GET_OPT_INFO(node) \
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(node)->u.str.flag |= NODE_STRING_DONT_GET_OPT_INFO
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#define NODE_STRING_IS_RAW(node) \
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(((node)->u.str.flag & NODE_STRING_RAW) != 0)
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#define NODE_STRING_IS_AMBIG(node) \
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(((node)->u.str.flag & NODE_STRING_AMBIG) != 0)
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#define NODE_STRING_IS_GOOD_AMBIG(node) \
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(((node)->u.str.flag & NODE_STRING_GOOD_AMBIG) != 0)
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#define NODE_STRING_IS_DONT_GET_OPT_INFO(node) \
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(((node)->u.str.flag & NODE_STRING_DONT_GET_OPT_INFO) != 0)
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#define BACKREFS_P(br) \
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(IS_NOT_NULL((br)->back_dynamic) ? (br)->back_dynamic : (br)->back_static)
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/* node status bits */
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#define NODE_ST_MIN_FIXED (1<<0)
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#define NODE_ST_MAX_FIXED (1<<1)
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#define NODE_ST_CLEN_FIXED (1<<2)
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#define NODE_ST_MARK1 (1<<3)
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#define NODE_ST_MARK2 (1<<4)
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#define NODE_ST_STRICT_REAL_REPEAT (1<<5)
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#define NODE_ST_RECURSION (1<<6)
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#define NODE_ST_CALLED (1<<7)
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#define NODE_ST_ADDR_FIXED (1<<8)
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#define NODE_ST_NAMED_GROUP (1<<9)
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#define NODE_ST_IN_REAL_REPEAT (1<<10) /* STK_REPEAT is nested in stack. */
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#define NODE_ST_IN_ZERO_REPEAT (1<<11) /* (....){0} */
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#define NODE_ST_IN_MULTI_ENTRY (1<<12)
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#define NODE_ST_NEST_LEVEL (1<<13)
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#define NODE_ST_BY_NUMBER (1<<14) /* {n,m} */
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#define NODE_ST_BY_NAME (1<<15) /* backref by name */
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#define NODE_ST_BACKREF (1<<16)
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#define NODE_ST_CHECKER (1<<17)
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#define NODE_ST_FIXED_OPTION (1<<18)
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#define NODE_ST_PROHIBIT_RECURSION (1<<19)
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#define NODE_ST_SUPER (1<<20)
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#define NODE_STATUS(node) (((Node* )node)->u.base.status)
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#define NODE_STATUS_ADD(node,f) (NODE_STATUS(node) |= (NODE_ST_ ## f))
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#define NODE_STATUS_REMOVE(node,f) (NODE_STATUS(node) &= ~(NODE_ST_ ## f))
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#define NODE_IS_BY_NUMBER(node) ((NODE_STATUS(node) & NODE_ST_BY_NUMBER) != 0)
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#define NODE_IS_IN_REAL_REPEAT(node) ((NODE_STATUS(node) & NODE_ST_IN_REAL_REPEAT) != 0)
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#define NODE_IS_CALLED(node) ((NODE_STATUS(node) & NODE_ST_CALLED) != 0)
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#define NODE_IS_IN_MULTI_ENTRY(node) ((NODE_STATUS(node) & NODE_ST_IN_MULTI_ENTRY) != 0)
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#define NODE_IS_RECURSION(node) ((NODE_STATUS(node) & NODE_ST_RECURSION) != 0)
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#define NODE_IS_IN_ZERO_REPEAT(node) ((NODE_STATUS(node) & NODE_ST_IN_ZERO_REPEAT) != 0)
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#define NODE_IS_NAMED_GROUP(node) ((NODE_STATUS(node) & NODE_ST_NAMED_GROUP) != 0)
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#define NODE_IS_ADDR_FIXED(node) ((NODE_STATUS(node) & NODE_ST_ADDR_FIXED) != 0)
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#define NODE_IS_CLEN_FIXED(node) ((NODE_STATUS(node) & NODE_ST_CLEN_FIXED) != 0)
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#define NODE_IS_MIN_FIXED(node) ((NODE_STATUS(node) & NODE_ST_MIN_FIXED) != 0)
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#define NODE_IS_MAX_FIXED(node) ((NODE_STATUS(node) & NODE_ST_MAX_FIXED) != 0)
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#define NODE_IS_MARK1(node) ((NODE_STATUS(node) & NODE_ST_MARK1) != 0)
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#define NODE_IS_MARK2(node) ((NODE_STATUS(node) & NODE_ST_MARK2) != 0)
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#define NODE_IS_NEST_LEVEL(node) ((NODE_STATUS(node) & NODE_ST_NEST_LEVEL) != 0)
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#define NODE_IS_BY_NAME(node) ((NODE_STATUS(node) & NODE_ST_BY_NAME) != 0)
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#define NODE_IS_BACKREF(node) ((NODE_STATUS(node) & NODE_ST_BACKREF) != 0)
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#define NODE_IS_CHECKER(node) ((NODE_STATUS(node) & NODE_ST_CHECKER) != 0)
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#define NODE_IS_FIXED_OPTION(node) ((NODE_STATUS(node) & NODE_ST_FIXED_OPTION) != 0)
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#define NODE_IS_SUPER(node) ((NODE_STATUS(node) & NODE_ST_SUPER) != 0)
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#define NODE_IS_PROHIBIT_RECURSION(node) \
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((NODE_STATUS(node) & NODE_ST_PROHIBIT_RECURSION) != 0)
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#define NODE_IS_STRICT_REAL_REPEAT(node) \
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((NODE_STATUS(node) & NODE_ST_STRICT_REAL_REPEAT) != 0)
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#define NODE_BODY(node) ((node)->u.base.body)
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#define NODE_QUANT_BODY(node) ((node)->body)
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#define NODE_BAG_BODY(node) ((node)->body)
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#define NODE_CALL_BODY(node) ((node)->body)
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#define NODE_ANCHOR_BODY(node) ((node)->body)
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#define SCANENV_MEMENV_SIZE 8
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#define SCANENV_MEMENV(senv) \
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(IS_NOT_NULL((senv)->mem_env_dynamic) ? \
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(senv)->mem_env_dynamic : (senv)->mem_env_static)
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typedef struct {
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Node* node;
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#if 0
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int in;
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int recursion;
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#endif
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} MemEnv;
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typedef struct {
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enum SaveType type;
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} SaveItem;
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typedef struct {
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OnigOptionType options;
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OnigCaseFoldType case_fold_flag;
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OnigEncoding enc;
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OnigSyntaxType* syntax;
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MemStatusType capture_history;
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MemStatusType bt_mem_start;
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MemStatusType bt_mem_end;
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MemStatusType backrefed_mem;
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UChar* pattern;
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||
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UChar* pattern_end;
|
||
|
UChar* error;
|
||
|
UChar* error_end;
|
||
|
regex_t* reg; /* for reg->names only */
|
||
|
int num_call;
|
||
|
#ifdef USE_CALL
|
||
|
UnsetAddrList* unset_addr_list;
|
||
|
int has_call_zero;
|
||
|
#endif
|
||
|
int num_mem;
|
||
|
int num_named;
|
||
|
int mem_alloc;
|
||
|
MemEnv mem_env_static[SCANENV_MEMENV_SIZE];
|
||
|
MemEnv* mem_env_dynamic;
|
||
|
unsigned int parse_depth;
|
||
|
|
||
|
int keep_num;
|
||
|
int save_num;
|
||
|
int save_alloc_num;
|
||
|
SaveItem* saves;
|
||
|
} ScanEnv;
|
||
|
|
||
|
|
||
|
#define IS_SYNTAX_OP(syn, opm) (((syn)->op & (opm)) != 0)
|
||
|
#define IS_SYNTAX_OP2(syn, opm) (((syn)->op2 & (opm)) != 0)
|
||
|
#define IS_SYNTAX_BV(syn, bvm) (((syn)->behavior & (bvm)) != 0)
|
||
|
|
||
|
typedef struct {
|
||
|
int new_val;
|
||
|
} GroupNumRemap;
|
||
|
|
||
|
extern int onig_renumber_name_table P_((regex_t* reg, GroupNumRemap* map));
|
||
|
|
||
|
extern int onig_strncmp P_((const UChar* s1, const UChar* s2, int n));
|
||
|
extern void onig_strcpy P_((UChar* dest, const UChar* src, const UChar* end));
|
||
|
extern void onig_scan_env_set_error_string P_((ScanEnv* env, int ecode, UChar* arg, UChar* arg_end));
|
||
|
extern int onig_scan_unsigned_number P_((UChar** src, const UChar* end, OnigEncoding enc));
|
||
|
extern void onig_reduce_nested_quantifier P_((Node* pnode, Node* cnode));
|
||
|
extern void onig_node_conv_to_str_node P_((Node* node, int raw));
|
||
|
extern int onig_node_str_cat P_((Node* node, const UChar* s, const UChar* end));
|
||
|
extern int onig_node_str_set P_((Node* node, const UChar* s, const UChar* end));
|
||
|
extern void onig_node_free P_((Node* node));
|
||
|
extern Node* onig_node_new_bag P_((enum BagType type));
|
||
|
extern Node* onig_node_new_anchor P_((int type, int ascii_mode));
|
||
|
extern Node* onig_node_new_str P_((const UChar* s, const UChar* end));
|
||
|
extern Node* onig_node_new_list P_((Node* left, Node* right));
|
||
|
extern Node* onig_node_list_add P_((Node* list, Node* x));
|
||
|
extern Node* onig_node_new_alt P_((Node* left, Node* right));
|
||
|
extern void onig_node_str_clear P_((Node* node));
|
||
|
extern int onig_names_free P_((regex_t* reg));
|
||
|
extern int onig_parse_tree P_((Node** root, const UChar* pattern, const UChar* end, regex_t* reg, ScanEnv* env));
|
||
|
extern int onig_free_shared_cclass_table P_((void));
|
||
|
extern int onig_is_code_in_cc P_((OnigEncoding enc, OnigCodePoint code, CClassNode* cc));
|
||
|
extern OnigLen onig_get_tiny_min_len(Node* node, unsigned int inhibit_node_types, int* invalid_node);
|
||
|
|
||
|
#ifdef USE_CALLOUT
|
||
|
extern int onig_global_callout_names_free(void);
|
||
|
#endif
|
||
|
|
||
|
#ifdef ONIG_DEBUG
|
||
|
extern int onig_print_names(FILE*, regex_t*);
|
||
|
#endif
|
||
|
|
||
|
#endif /* REGPARSE_H */
|