| 1 |
/*************************************************
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| 2 |
* Perl-Compatible Regular Expressions *
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| 3 |
*************************************************/
|
| 4 |
|
| 5 |
/* PCRE is a library of functions to support regular expressions whose syntax
|
| 6 |
and semantics are as close as possible to those of the Perl 5 language.
|
| 7 |
|
| 8 |
Written by Philip Hazel
|
| 9 |
Copyright (c) 1997-2010 University of Cambridge
|
| 10 |
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-----------------------------------------------------------------------------
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Redistribution and use in source and binary forms, with or without
|
| 13 |
modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
|
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this list of conditions and the following disclaimer.
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* 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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| 21 |
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* Neither the name of the University of Cambridge nor the names of its
|
| 23 |
contributors may be used to endorse or promote products derived from
|
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
| 28 |
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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-----------------------------------------------------------------------------
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*/
|
| 39 |
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/* This module contains a PCRE private debugging function for printing out the
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| 42 |
internal form of a compiled regular expression, along with some supporting
|
| 43 |
local functions. This source file is used in two places:
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| 44 |
|
| 45 |
(1) It is #included by pcre_compile.c when it is compiled in debugging mode
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| 46 |
(PCRE_DEBUG defined in pcre_internal.h). It is not included in production
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| 47 |
compiles.
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| 48 |
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(2) It is always #included by pcretest.c, which can be asked to print out a
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| 50 |
compiled regex for debugging purposes. */
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| 51 |
|
| 52 |
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/* Macro that decides whether a character should be output as a literal or in
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| 54 |
hexadecimal. We don't use isprint() because that can vary from system to system
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(even without the use of locales) and we want the output always to be the same,
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for testing purposes. This macro is used in pcretest as well as in this file. */
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| 58 |
#ifdef EBCDIC
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#define PRINTABLE(c) ((c) >= 64 && (c) < 255)
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| 60 |
#else
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#define PRINTABLE(c) ((c) >= 32 && (c) < 127)
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| 62 |
#endif
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| 63 |
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/* The table of operator names. */
|
| 65 |
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| 66 |
static const char *OP_names[] = { OP_NAME_LIST };
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| 67 |
|
| 68 |
|
| 69 |
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/*************************************************
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* Print single- or multi-byte character *
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| 72 |
*************************************************/
|
| 73 |
|
| 74 |
static int
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print_char(FILE *f, pcre_uchar *ptr, BOOL utf8)
|
| 76 |
{
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| 77 |
int c = *ptr;
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|
| 79 |
#ifndef SUPPORT_UTF8
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(void)utf8; /* Avoid compiler warning */
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if (PRINTABLE(c)) fprintf(f, "%c", c); else fprintf(f, "\\x%02x", c);
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return 0;
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| 83 |
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| 84 |
#else
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if (!utf8 || (c & 0xc0) != 0xc0)
|
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{
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| 87 |
if (PRINTABLE(c)) fprintf(f, "%c", c); else fprintf(f, "\\x%02x", c);
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return 0;
|
| 89 |
}
|
| 90 |
else
|
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{
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| 92 |
int i;
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| 93 |
int a = PRIV(utf8_table4)[c & 0x3f]; /* Number of additional bytes */
|
| 94 |
int s = 6*a;
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| 95 |
c = (c & PRIV(utf8_table3)[a]) << s;
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| 96 |
for (i = 1; i <= a; i++)
|
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{
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/* This is a check for malformed UTF-8; it should only occur if the sanity
|
| 99 |
check has been turned off. Rather than swallow random bytes, just stop if
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| 100 |
we hit a bad one. Print it with \X instead of \x as an indication. */
|
| 101 |
|
| 102 |
if ((ptr[i] & 0xc0) != 0x80)
|
| 103 |
{
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| 104 |
fprintf(f, "\\X{%x}", c);
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| 105 |
return i - 1;
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| 106 |
}
|
| 107 |
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| 108 |
/* The byte is OK */
|
| 109 |
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| 110 |
s -= 6;
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| 111 |
c |= (ptr[i] & 0x3f) << s;
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| 112 |
}
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| 113 |
if (c < 128) fprintf(f, "\\x%02x", c); else fprintf(f, "\\x{%x}", c);
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return a;
|
| 115 |
}
|
| 116 |
#endif
|
| 117 |
}
|
| 118 |
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| 119 |
/*************************************************
|
| 120 |
* Print uchar string (regardless of utf8) *
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| 121 |
*************************************************/
|
| 122 |
|
| 123 |
static void
|
| 124 |
print_puchar(FILE *f, PCRE_PUCHAR ptr)
|
| 125 |
{
|
| 126 |
while (*ptr != '\0')
|
| 127 |
{
|
| 128 |
register int c = *ptr++;
|
| 129 |
if (PRINTABLE(c)) fprintf(f, "%c", c); else fprintf(f, "\\x{%x}", c);
|
| 130 |
}
|
| 131 |
}
|
| 132 |
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/*************************************************
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* Find Unicode property name *
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| 135 |
*************************************************/
|
| 136 |
|
| 137 |
static const char *
|
| 138 |
get_ucpname(int ptype, int pvalue)
|
| 139 |
{
|
| 140 |
#ifdef SUPPORT_UCP
|
| 141 |
int i;
|
| 142 |
for (i = PRIV(utt_size) - 1; i >= 0; i--)
|
| 143 |
{
|
| 144 |
if (ptype == PRIV(utt)[i].type && pvalue == PRIV(utt)[i].value) break;
|
| 145 |
}
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return (i >= 0)? PRIV(utt_names) + PRIV(utt)[i].name_offset : "??";
|
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#else
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/* It gets harder and harder to shut off unwanted compiler warnings. */
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ptype = ptype * pvalue;
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return (ptype == pvalue)? "??" : "??";
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#endif
|
| 152 |
}
|
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|
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|
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/*************************************************
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* Print compiled regex *
|
| 158 |
*************************************************/
|
| 159 |
|
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/* Make this function work for a regex with integers either byte order.
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However, we assume that what we are passed is a compiled regex. The
|
| 162 |
print_lengths flag controls whether offsets and lengths of items are printed.
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| 163 |
They can be turned off from pcretest so that automatic tests on bytecode can be
|
| 164 |
written that do not depend on the value of LINK_SIZE. */
|
| 165 |
|
| 166 |
static void
|
| 167 |
pcre_printint(pcre *external_re, FILE *f, BOOL print_lengths)
|
| 168 |
{
|
| 169 |
real_pcre *re = (real_pcre *)external_re;
|
| 170 |
pcre_uchar *codestart, *code;
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| 171 |
BOOL utf8;
|
| 172 |
|
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unsigned int options = re->options;
|
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int offset = re->name_table_offset;
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| 175 |
int count = re->name_count;
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int size = re->name_entry_size;
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| 177 |
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if (re->magic_number != MAGIC_NUMBER)
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{
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| 180 |
offset = ((offset << 8) & 0xff00) | ((offset >> 8) & 0xff);
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| 181 |
count = ((count << 8) & 0xff00) | ((count >> 8) & 0xff);
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| 182 |
size = ((size << 8) & 0xff00) | ((size >> 8) & 0xff);
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options = ((options << 24) & 0xff000000) |
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((options << 8) & 0x00ff0000) |
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((options >> 8) & 0x0000ff00) |
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((options >> 24) & 0x000000ff);
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| 187 |
}
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code = codestart = (pcre_uchar *)re + offset + count * size;
|
| 190 |
utf8 = (options & PCRE_UTF8) != 0;
|
| 191 |
|
| 192 |
for(;;)
|
| 193 |
{
|
| 194 |
pcre_uchar *ccode;
|
| 195 |
const char *flag = " ";
|
| 196 |
int c;
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| 197 |
int extra = 0;
|
| 198 |
|
| 199 |
if (print_lengths)
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fprintf(f, "%3d ", (int)(code - codestart));
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else
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fprintf(f, " ");
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switch(*code)
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{
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| 206 |
/* ========================================================================== */
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| 207 |
/* These cases are never obeyed. This is a fudge that causes a compile-
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time error if the vectors OP_names or PRIV(OP_lengths), which are indexed
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| 209 |
by opcode, are not the correct length. It seems to be the only way to do
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| 210 |
such a check at compile time, as the sizeof() operator does not work in
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| 211 |
the C preprocessor. We do this while compiling pcretest, because that
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| 212 |
#includes pcre_tables.c, which holds PRIV(OP_lengths). We can't do this
|
| 213 |
when building pcre_compile.c with PCRE_DEBUG set, because it doesn't then
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| 214 |
know the size of PRIV(OP_lengths). */
|
| 215 |
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| 216 |
#ifdef COMPILING_PCRETEST
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case OP_TABLE_LENGTH:
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| 218 |
case OP_TABLE_LENGTH +
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((sizeof(OP_names)/sizeof(const char *) == OP_TABLE_LENGTH) &&
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(sizeof(PRIV(OP_lengths)) == OP_TABLE_LENGTH)):
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break;
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| 222 |
#endif
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/* ========================================================================== */
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case OP_END:
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fprintf(f, " %s\n", OP_names[*code]);
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fprintf(f, "------------------------------------------------------------------\n");
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return;
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| 229 |
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case OP_CHAR:
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fprintf(f, " ");
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do
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{
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code++;
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code += 1 + print_char(f, code, utf8);
|
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}
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while (*code == OP_CHAR);
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fprintf(f, "\n");
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continue;
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| 240 |
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case OP_CHARI:
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fprintf(f, " /i ");
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do
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{
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| 245 |
code++;
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code += 1 + print_char(f, code, utf8);
|
| 247 |
}
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| 248 |
while (*code == OP_CHARI);
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fprintf(f, "\n");
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| 250 |
continue;
|
| 251 |
|
| 252 |
case OP_CBRA:
|
| 253 |
case OP_CBRAPOS:
|
| 254 |
case OP_SCBRA:
|
| 255 |
case OP_SCBRAPOS:
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| 256 |
if (print_lengths) fprintf(f, "%3d ", GET(code, 1));
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| 257 |
else fprintf(f, " ");
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| 258 |
fprintf(f, "%s %d", OP_names[*code], GET2(code, 1+LINK_SIZE));
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| 259 |
break;
|
| 260 |
|
| 261 |
case OP_BRA:
|
| 262 |
case OP_BRAPOS:
|
| 263 |
case OP_SBRA:
|
| 264 |
case OP_SBRAPOS:
|
| 265 |
case OP_KETRMAX:
|
| 266 |
case OP_KETRMIN:
|
| 267 |
case OP_KETRPOS:
|
| 268 |
case OP_ALT:
|
| 269 |
case OP_KET:
|
| 270 |
case OP_ASSERT:
|
| 271 |
case OP_ASSERT_NOT:
|
| 272 |
case OP_ASSERTBACK:
|
| 273 |
case OP_ASSERTBACK_NOT:
|
| 274 |
case OP_ONCE:
|
| 275 |
case OP_ONCE_NC:
|
| 276 |
case OP_COND:
|
| 277 |
case OP_SCOND:
|
| 278 |
case OP_REVERSE:
|
| 279 |
if (print_lengths) fprintf(f, "%3d ", GET(code, 1));
|
| 280 |
else fprintf(f, " ");
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| 281 |
fprintf(f, "%s", OP_names[*code]);
|
| 282 |
break;
|
| 283 |
|
| 284 |
case OP_CLOSE:
|
| 285 |
fprintf(f, " %s %d", OP_names[*code], GET2(code, 1));
|
| 286 |
break;
|
| 287 |
|
| 288 |
case OP_CREF:
|
| 289 |
case OP_NCREF:
|
| 290 |
fprintf(f, "%3d %s", GET2(code,1), OP_names[*code]);
|
| 291 |
break;
|
| 292 |
|
| 293 |
case OP_RREF:
|
| 294 |
c = GET2(code, 1);
|
| 295 |
if (c == RREF_ANY)
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| 296 |
fprintf(f, " Cond recurse any");
|
| 297 |
else
|
| 298 |
fprintf(f, " Cond recurse %d", c);
|
| 299 |
break;
|
| 300 |
|
| 301 |
case OP_NRREF:
|
| 302 |
c = GET2(code, 1);
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| 303 |
if (c == RREF_ANY)
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| 304 |
fprintf(f, " Cond nrecurse any");
|
| 305 |
else
|
| 306 |
fprintf(f, " Cond nrecurse %d", c);
|
| 307 |
break;
|
| 308 |
|
| 309 |
case OP_DEF:
|
| 310 |
fprintf(f, " Cond def");
|
| 311 |
break;
|
| 312 |
|
| 313 |
case OP_STARI:
|
| 314 |
case OP_MINSTARI:
|
| 315 |
case OP_POSSTARI:
|
| 316 |
case OP_PLUSI:
|
| 317 |
case OP_MINPLUSI:
|
| 318 |
case OP_POSPLUSI:
|
| 319 |
case OP_QUERYI:
|
| 320 |
case OP_MINQUERYI:
|
| 321 |
case OP_POSQUERYI:
|
| 322 |
flag = "/i";
|
| 323 |
/* Fall through */
|
| 324 |
case OP_STAR:
|
| 325 |
case OP_MINSTAR:
|
| 326 |
case OP_POSSTAR:
|
| 327 |
case OP_PLUS:
|
| 328 |
case OP_MINPLUS:
|
| 329 |
case OP_POSPLUS:
|
| 330 |
case OP_QUERY:
|
| 331 |
case OP_MINQUERY:
|
| 332 |
case OP_POSQUERY:
|
| 333 |
case OP_TYPESTAR:
|
| 334 |
case OP_TYPEMINSTAR:
|
| 335 |
case OP_TYPEPOSSTAR:
|
| 336 |
case OP_TYPEPLUS:
|
| 337 |
case OP_TYPEMINPLUS:
|
| 338 |
case OP_TYPEPOSPLUS:
|
| 339 |
case OP_TYPEQUERY:
|
| 340 |
case OP_TYPEMINQUERY:
|
| 341 |
case OP_TYPEPOSQUERY:
|
| 342 |
fprintf(f, " %s ", flag);
|
| 343 |
if (*code >= OP_TYPESTAR)
|
| 344 |
{
|
| 345 |
fprintf(f, "%s", OP_names[code[1]]);
|
| 346 |
if (code[1] == OP_PROP || code[1] == OP_NOTPROP)
|
| 347 |
{
|
| 348 |
fprintf(f, " %s ", get_ucpname(code[2], code[3]));
|
| 349 |
extra = 2;
|
| 350 |
}
|
| 351 |
}
|
| 352 |
else extra = print_char(f, code+1, utf8);
|
| 353 |
fprintf(f, "%s", OP_names[*code]);
|
| 354 |
break;
|
| 355 |
|
| 356 |
case OP_EXACTI:
|
| 357 |
case OP_UPTOI:
|
| 358 |
case OP_MINUPTOI:
|
| 359 |
case OP_POSUPTOI:
|
| 360 |
flag = "/i";
|
| 361 |
/* Fall through */
|
| 362 |
case OP_EXACT:
|
| 363 |
case OP_UPTO:
|
| 364 |
case OP_MINUPTO:
|
| 365 |
case OP_POSUPTO:
|
| 366 |
fprintf(f, " %s ", flag);
|
| 367 |
extra = print_char(f, code + 1 + IMM2_SIZE, utf8);
|
| 368 |
fprintf(f, "{");
|
| 369 |
if (*code != OP_EXACT && *code != OP_EXACTI) fprintf(f, "0,");
|
| 370 |
fprintf(f, "%d}", GET2(code,1));
|
| 371 |
if (*code == OP_MINUPTO || *code == OP_MINUPTOI) fprintf(f, "?");
|
| 372 |
else if (*code == OP_POSUPTO || *code == OP_POSUPTOI) fprintf(f, "+");
|
| 373 |
break;
|
| 374 |
|
| 375 |
case OP_TYPEEXACT:
|
| 376 |
case OP_TYPEUPTO:
|
| 377 |
case OP_TYPEMINUPTO:
|
| 378 |
case OP_TYPEPOSUPTO:
|
| 379 |
fprintf(f, " %s", OP_names[code[1 + IMM2_SIZE]]);
|
| 380 |
if (code[1 + IMM2_SIZE] == OP_PROP || code[1 + IMM2_SIZE] == OP_NOTPROP)
|
| 381 |
{
|
| 382 |
fprintf(f, " %s ", get_ucpname(code[1 + IMM2_SIZE + 1],
|
| 383 |
code[1 + IMM2_SIZE + 2]));
|
| 384 |
extra = 2;
|
| 385 |
}
|
| 386 |
fprintf(f, "{");
|
| 387 |
if (*code != OP_TYPEEXACT) fprintf(f, "0,");
|
| 388 |
fprintf(f, "%d}", GET2(code,1));
|
| 389 |
if (*code == OP_TYPEMINUPTO) fprintf(f, "?");
|
| 390 |
else if (*code == OP_TYPEPOSUPTO) fprintf(f, "+");
|
| 391 |
break;
|
| 392 |
|
| 393 |
case OP_NOTI:
|
| 394 |
flag = "/i";
|
| 395 |
/* Fall through */
|
| 396 |
case OP_NOT:
|
| 397 |
c = code[1];
|
| 398 |
if (PRINTABLE(c)) fprintf(f, " %s [^%c]", flag, c);
|
| 399 |
else fprintf(f, " %s [^\\x%02x]", flag, c);
|
| 400 |
break;
|
| 401 |
|
| 402 |
case OP_NOTSTARI:
|
| 403 |
case OP_NOTMINSTARI:
|
| 404 |
case OP_NOTPOSSTARI:
|
| 405 |
case OP_NOTPLUSI:
|
| 406 |
case OP_NOTMINPLUSI:
|
| 407 |
case OP_NOTPOSPLUSI:
|
| 408 |
case OP_NOTQUERYI:
|
| 409 |
case OP_NOTMINQUERYI:
|
| 410 |
case OP_NOTPOSQUERYI:
|
| 411 |
flag = "/i";
|
| 412 |
/* Fall through */
|
| 413 |
|
| 414 |
case OP_NOTSTAR:
|
| 415 |
case OP_NOTMINSTAR:
|
| 416 |
case OP_NOTPOSSTAR:
|
| 417 |
case OP_NOTPLUS:
|
| 418 |
case OP_NOTMINPLUS:
|
| 419 |
case OP_NOTPOSPLUS:
|
| 420 |
case OP_NOTQUERY:
|
| 421 |
case OP_NOTMINQUERY:
|
| 422 |
case OP_NOTPOSQUERY:
|
| 423 |
c = code[1];
|
| 424 |
if (PRINTABLE(c)) fprintf(f, " %s [^%c]", flag, c);
|
| 425 |
else fprintf(f, " %s [^\\x%02x]", flag, c);
|
| 426 |
fprintf(f, "%s", OP_names[*code]);
|
| 427 |
break;
|
| 428 |
|
| 429 |
case OP_NOTEXACTI:
|
| 430 |
case OP_NOTUPTOI:
|
| 431 |
case OP_NOTMINUPTOI:
|
| 432 |
case OP_NOTPOSUPTOI:
|
| 433 |
flag = "/i";
|
| 434 |
/* Fall through */
|
| 435 |
|
| 436 |
case OP_NOTEXACT:
|
| 437 |
case OP_NOTUPTO:
|
| 438 |
case OP_NOTMINUPTO:
|
| 439 |
case OP_NOTPOSUPTO:
|
| 440 |
c = code[1 + IMM2_SIZE];
|
| 441 |
if (PRINTABLE(c)) fprintf(f, " %s [^%c]{", flag, c);
|
| 442 |
else fprintf(f, " %s [^\\x%02x]{", flag, c);
|
| 443 |
if (*code != OP_NOTEXACT && *code != OP_NOTEXACTI) fprintf(f, "0,");
|
| 444 |
fprintf(f, "%d}", GET2(code,1));
|
| 445 |
if (*code == OP_NOTMINUPTO || *code == OP_NOTMINUPTOI) fprintf(f, "?");
|
| 446 |
else
|
| 447 |
if (*code == OP_NOTPOSUPTO || *code == OP_NOTPOSUPTOI) fprintf(f, "+");
|
| 448 |
break;
|
| 449 |
|
| 450 |
case OP_RECURSE:
|
| 451 |
if (print_lengths) fprintf(f, "%3d ", GET(code, 1));
|
| 452 |
else fprintf(f, " ");
|
| 453 |
fprintf(f, "%s", OP_names[*code]);
|
| 454 |
break;
|
| 455 |
|
| 456 |
case OP_REFI:
|
| 457 |
flag = "/i";
|
| 458 |
/* Fall through */
|
| 459 |
case OP_REF:
|
| 460 |
fprintf(f, " %s \\%d", flag, GET2(code,1));
|
| 461 |
ccode = code + PRIV(OP_lengths)[*code];
|
| 462 |
goto CLASS_REF_REPEAT;
|
| 463 |
|
| 464 |
case OP_CALLOUT:
|
| 465 |
fprintf(f, " %s %d %d %d", OP_names[*code], code[1], GET(code,2),
|
| 466 |
GET(code, 2 + LINK_SIZE));
|
| 467 |
break;
|
| 468 |
|
| 469 |
case OP_PROP:
|
| 470 |
case OP_NOTPROP:
|
| 471 |
fprintf(f, " %s %s", OP_names[*code], get_ucpname(code[1], code[2]));
|
| 472 |
break;
|
| 473 |
|
| 474 |
/* OP_XCLASS can only occur in UTF-8 mode. However, there's no harm in
|
| 475 |
having this code always here, and it makes it less messy without all those
|
| 476 |
#ifdefs. */
|
| 477 |
|
| 478 |
case OP_CLASS:
|
| 479 |
case OP_NCLASS:
|
| 480 |
case OP_XCLASS:
|
| 481 |
{
|
| 482 |
int i, min, max;
|
| 483 |
BOOL printmap;
|
| 484 |
|
| 485 |
fprintf(f, " [");
|
| 486 |
|
| 487 |
if (*code == OP_XCLASS)
|
| 488 |
{
|
| 489 |
extra = GET(code, 1);
|
| 490 |
ccode = code + LINK_SIZE + 1;
|
| 491 |
printmap = (*ccode & XCL_MAP) != 0;
|
| 492 |
if ((*ccode++ & XCL_NOT) != 0) fprintf(f, "^");
|
| 493 |
}
|
| 494 |
else
|
| 495 |
{
|
| 496 |
printmap = TRUE;
|
| 497 |
ccode = code + 1;
|
| 498 |
}
|
| 499 |
|
| 500 |
/* Print a bit map */
|
| 501 |
|
| 502 |
if (printmap)
|
| 503 |
{
|
| 504 |
for (i = 0; i < 256; i++)
|
| 505 |
{
|
| 506 |
if ((ccode[i/8] & (1 << (i&7))) != 0)
|
| 507 |
{
|
| 508 |
int j;
|
| 509 |
for (j = i+1; j < 256; j++)
|
| 510 |
if ((ccode[j/8] & (1 << (j&7))) == 0) break;
|
| 511 |
if (i == '-' || i == ']') fprintf(f, "\\");
|
| 512 |
if (PRINTABLE(i)) fprintf(f, "%c", i);
|
| 513 |
else fprintf(f, "\\x%02x", i);
|
| 514 |
if (--j > i)
|
| 515 |
{
|
| 516 |
if (j != i + 1) fprintf(f, "-");
|
| 517 |
if (j == '-' || j == ']') fprintf(f, "\\");
|
| 518 |
if (PRINTABLE(j)) fprintf(f, "%c", j);
|
| 519 |
else fprintf(f, "\\x%02x", j);
|
| 520 |
}
|
| 521 |
i = j;
|
| 522 |
}
|
| 523 |
}
|
| 524 |
ccode += 32;
|
| 525 |
}
|
| 526 |
|
| 527 |
/* For an XCLASS there is always some additional data */
|
| 528 |
|
| 529 |
if (*code == OP_XCLASS)
|
| 530 |
{
|
| 531 |
int ch;
|
| 532 |
while ((ch = *ccode++) != XCL_END)
|
| 533 |
{
|
| 534 |
if (ch == XCL_PROP)
|
| 535 |
{
|
| 536 |
int ptype = *ccode++;
|
| 537 |
int pvalue = *ccode++;
|
| 538 |
fprintf(f, "\\p{%s}", get_ucpname(ptype, pvalue));
|
| 539 |
}
|
| 540 |
else if (ch == XCL_NOTPROP)
|
| 541 |
{
|
| 542 |
int ptype = *ccode++;
|
| 543 |
int pvalue = *ccode++;
|
| 544 |
fprintf(f, "\\P{%s}", get_ucpname(ptype, pvalue));
|
| 545 |
}
|
| 546 |
else
|
| 547 |
{
|
| 548 |
ccode += 1 + print_char(f, ccode, TRUE);
|
| 549 |
if (ch == XCL_RANGE)
|
| 550 |
{
|
| 551 |
fprintf(f, "-");
|
| 552 |
ccode += 1 + print_char(f, ccode, TRUE);
|
| 553 |
}
|
| 554 |
}
|
| 555 |
}
|
| 556 |
}
|
| 557 |
|
| 558 |
/* Indicate a non-UTF8 class which was created by negation */
|
| 559 |
|
| 560 |
fprintf(f, "]%s", (*code == OP_NCLASS)? " (neg)" : "");
|
| 561 |
|
| 562 |
/* Handle repeats after a class or a back reference */
|
| 563 |
|
| 564 |
CLASS_REF_REPEAT:
|
| 565 |
switch(*ccode)
|
| 566 |
{
|
| 567 |
case OP_CRSTAR:
|
| 568 |
case OP_CRMINSTAR:
|
| 569 |
case OP_CRPLUS:
|
| 570 |
case OP_CRMINPLUS:
|
| 571 |
case OP_CRQUERY:
|
| 572 |
case OP_CRMINQUERY:
|
| 573 |
fprintf(f, "%s", OP_names[*ccode]);
|
| 574 |
extra += PRIV(OP_lengths)[*ccode];
|
| 575 |
break;
|
| 576 |
|
| 577 |
case OP_CRRANGE:
|
| 578 |
case OP_CRMINRANGE:
|
| 579 |
min = GET2(ccode,1);
|
| 580 |
max = GET2(ccode,1 + IMM2_SIZE);
|
| 581 |
if (max == 0) fprintf(f, "{%d,}", min);
|
| 582 |
else fprintf(f, "{%d,%d}", min, max);
|
| 583 |
if (*ccode == OP_CRMINRANGE) fprintf(f, "?");
|
| 584 |
extra += PRIV(OP_lengths)[*ccode];
|
| 585 |
break;
|
| 586 |
|
| 587 |
/* Do nothing if it's not a repeat; this code stops picky compilers
|
| 588 |
warning about the lack of a default code path. */
|
| 589 |
|
| 590 |
default:
|
| 591 |
break;
|
| 592 |
}
|
| 593 |
}
|
| 594 |
break;
|
| 595 |
|
| 596 |
case OP_MARK:
|
| 597 |
case OP_PRUNE_ARG:
|
| 598 |
case OP_SKIP_ARG:
|
| 599 |
case OP_THEN_ARG:
|
| 600 |
fprintf(f, " %s ", OP_names[*code]);
|
| 601 |
print_puchar(f, code + 2);
|
| 602 |
extra += code[1];
|
| 603 |
break;
|
| 604 |
|
| 605 |
case OP_THEN:
|
| 606 |
fprintf(f, " %s", OP_names[*code]);
|
| 607 |
break;
|
| 608 |
|
| 609 |
case OP_CIRCM:
|
| 610 |
case OP_DOLLM:
|
| 611 |
flag = "/m";
|
| 612 |
/* Fall through */
|
| 613 |
|
| 614 |
/* Anything else is just an item with no data, but possibly a flag. */
|
| 615 |
|
| 616 |
default:
|
| 617 |
fprintf(f, " %s %s", flag, OP_names[*code]);
|
| 618 |
break;
|
| 619 |
}
|
| 620 |
|
| 621 |
code += PRIV(OP_lengths)[*code] + extra;
|
| 622 |
fprintf(f, "\n");
|
| 623 |
}
|
| 624 |
}
|
| 625 |
|
| 626 |
/* End of pcre_printint.src */
|
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