Auto-possession and studying added; compile-time errors refactored.
This commit is contained in:
Philip.Hazel
parent
bf2bc83ed8
commit
5008860489
10
Makefile.am
10
Makefile.am
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@ -261,6 +261,7 @@ NODIST_SOURCES = src/pcre2_chartables.c
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## 8-, 16-, or 32-bit libraries are configured.
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COMMON_SOURCES = \
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src/pcre2_auto_possess.c \
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src/pcre2_byte_order.c \
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src/pcre2_compile.c \
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src/pcre2_config.c \
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@ -279,17 +280,14 @@ COMMON_SOURCES = \
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src/pcre2_ord2utf.c \
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src/pcre2_pattern_info.c \
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src/pcre2_string_utils.c \
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src/pcre2_study.c \
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src/pcre2_substring.c \
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src/pcre2_tables.c \
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src/pcre2_ucd.c \
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src/pcre2_ucp.h \
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src/pcre2_valid_utf.c \
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src/pcre2_version.c
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# src/pcre2_refcount.c \
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# src/pcre2_study.c \
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# src/pcre2_xclass.c
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src/pcre2_version.c \
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src/pcre2_xclass.c
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if WITH_PCRE8
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lib_LTLIBRARIES += libpcre2-8.la
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File diff suppressed because it is too large
Load Diff
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@ -55,7 +55,6 @@ by defining macros in order to minimize #if usage. */
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#if PCRE2_CODE_UNIT_WIDTH == 8
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#define STRING_UTFn_RIGHTPAR STRING_UTF8_RIGHTPAR, 5
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#define BAD_UTF_ERROR ERR44
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#define XDIGIT(c) xdigitab[c]
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#else /* Either 16-bit or 32-bit */
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@ -63,11 +62,9 @@ by defining macros in order to minimize #if usage. */
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#if PCRE2_CODE_UNIT_WIDTH == 16
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#define STRING_UTFn_RIGHTPAR STRING_UTF16_RIGHTPAR, 6
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#define BAD_UTF_ERROR ERR74
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#else
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#define STRING_UTFn_RIGHTPAR STRING_UTF32_RIGHTPAR, 6
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#define BAD_UTF_ERROR ERR77
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#endif
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#endif
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@ -150,8 +147,8 @@ have to check them every time. */
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#define REQ_CASELESS (1 << 0) /* Indicates caselessness */
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#define REQ_VARY (1 << 1) /* reqcu followed non-literal item */
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/* Negative values for the firstcu and reqcu flags */
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#define REQ_UNSET (-2)
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#define REQ_NONE (-1)
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#define REQ_UNSET (-2) /* Not yet found anything */
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#define REQ_NONE (-1) /* Found not fixed char */
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/* This bit (which is greater than any UTF value) is used to indicate that a
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variable contains a number of code units instead of an actual code point. */
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@ -553,7 +550,8 @@ static PCRE2_SPTR posix_substitutes[] = {
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/* Compile time error code numbers. They are given names so that they can more
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easily be tracked. When a new number is added, the tables called eint1 and
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eint2 in pcre2posix.c must be updated. */
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eint2 in pcre2posix.c must be updated, and a new error text must be added to
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compile_error_texts in pcre2_error.c. */
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enum { ERR0 = COMPILE_ERROR_BASE,
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ERR1, ERR2, ERR3, ERR4, ERR5, ERR6, ERR7, ERR8, ERR9, ERR10,
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@ -563,8 +561,7 @@ enum { ERR0 = COMPILE_ERROR_BASE,
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ERR41, ERR42, ERR43, ERR44, ERR45, ERR46, ERR47, ERR48, ERR49, ERR50,
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ERR51, ERR52, ERR53, ERR54, ERR55, ERR56, ERR57, ERR58, ERR59, ERR60,
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ERR61, ERR62, ERR63, ERR64, ERR65, ERR66, ERR67, ERR68, ERR69, ERR70,
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ERR71, ERR72, ERR73, ERR74, ERR75, ERR76, ERR77, ERR78, ERR79, ERR80,
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ERR81, ERR82, ERR83, ERR84, ERR85, ERR86 };
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ERR71, ERR72, ERR73, ERR74, ERR75, ERR76, ERR77 };
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/* This is a table of start-of-pattern options such as (*UTF) and settings such
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as (*LIMIT_MATCH=nnnn) and (*CRLF). For completeness and backward
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@ -1782,8 +1779,7 @@ else
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}
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if (overflow) /* Integer overflow */
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{
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while (IS_DIGIT(ptr[1]))
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ptr++;
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while (IS_DIGIT(ptr[1])) ptr++;
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*errorcodeptr = ERR61;
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break;
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}
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@ -1849,8 +1845,7 @@ else
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}
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if (overflow) /* Integer overflow */
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{
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while (IS_DIGIT(ptr[1]))
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ptr++;
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while (IS_DIGIT(ptr[1])) ptr++;
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*errorcodeptr = ERR61;
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break;
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}
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@ -1890,8 +1885,8 @@ else
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specifying character codes in octal. The only supported form is \o{ddd}. */
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case CHAR_o:
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if (ptr[1] != CHAR_LEFT_CURLY_BRACKET) *errorcodeptr = ERR81; else
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if (ptr[2] == CHAR_RIGHT_CURLY_BRACKET) *errorcodeptr = ERR86; else
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if (ptr[1] != CHAR_LEFT_CURLY_BRACKET) *errorcodeptr = ERR55; else
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if (ptr[2] == CHAR_RIGHT_CURLY_BRACKET) *errorcodeptr = ERR77; else
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{
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ptr += 2;
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c = 0;
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@ -1921,7 +1916,7 @@ else
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{
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if (utf && c >= 0xd800 && c <= 0xdfff) *errorcodeptr = ERR73;
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}
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else *errorcodeptr = ERR80;
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else *errorcodeptr = ERR64;
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}
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break;
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@ -1952,7 +1947,7 @@ else
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ptr += 2;
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if (*ptr == CHAR_RIGHT_CURLY_BRACKET)
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{
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*errorcodeptr = ERR86;
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*errorcodeptr = ERR77;
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break;
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}
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c = 0;
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@ -1988,7 +1983,7 @@ else
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\x handling, but nowadays Perl gives an error, which seems much more
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sensible, so we do too. */
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else *errorcodeptr = ERR79;
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else *errorcodeptr = ERR67;
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} /* End of \x{} processing */
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/* Read a single-byte hex-defined char (up to two hex digits after \x) */
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@ -2013,7 +2008,7 @@ else
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case CHAR_c:
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c = *(++ptr);
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if (c == CHAR_NULL)
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if (c == CHAR_NULL && ptr >= cd->end_pattern)
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{
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*errorcodeptr = ERR2;
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break;
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@ -3309,7 +3304,8 @@ for (;; ptr++)
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previous = NULL;
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if ((options & PCRE2_MULTILINE) != 0)
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{
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if (firstcuflags == REQ_UNSET) firstcuflags = REQ_NONE;
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if (firstcuflags == REQ_UNSET)
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zerofirstcuflags = firstcuflags = REQ_NONE;
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*code++ = OP_CIRCM;
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}
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else *code++ = OP_CIRC;
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@ -3384,7 +3380,7 @@ for (;; ptr++)
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ptr[1] == CHAR_EQUALS_SIGN) &&
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check_posix_syntax(ptr, &tempptr))
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{
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*errorcodeptr = (ptr[1] == CHAR_COLON)? ERR13 : ERR31;
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*errorcodeptr = (ptr[1] == CHAR_COLON)? ERR12 : ERR13;
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goto FAILED;
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}
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@ -3525,7 +3521,7 @@ for (;; ptr++)
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if (ptr[1] != CHAR_COLON)
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{
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*errorcodeptr = ERR31;
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*errorcodeptr = ERR13;
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goto FAILED;
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}
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@ -3870,7 +3866,7 @@ for (;; ptr++)
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{
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if (descape == ESC_b) d = CHAR_BS; else
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{
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*errorcodeptr = ERR83;
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*errorcodeptr = ERR50;
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goto FAILED;
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}
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}
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@ -3883,7 +3879,7 @@ for (;; ptr++)
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ptr[1] == CHAR_EQUALS_SIGN) &&
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check_posix_syntax(ptr, &tempptr))
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{
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*errorcodeptr = ERR83;
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*errorcodeptr = ERR50;
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goto FAILED;
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}
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}
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@ -3932,7 +3928,7 @@ for (;; ptr++)
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whatever repeat count may follow. In the case of reqcu, save the
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previous value for reinstating. */
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if (class_one_char == 1 && ptr[1] == CHAR_RIGHT_SQUARE_BRACKET)
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if (!inescq && class_one_char == 1 && ptr[1] == CHAR_RIGHT_SQUARE_BRACKET)
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{
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ptr++;
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zeroreqcu = reqcu;
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@ -4833,7 +4829,7 @@ for (;; ptr++)
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else
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{
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*errorcodeptr = ERR11;
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*errorcodeptr = ERR10;
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goto FAILED;
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}
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@ -5095,8 +5091,8 @@ for (;; ptr++)
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{
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case CHAR_NUMBER_SIGN: /* Comment; skip to ket */
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ptr++;
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while (*ptr != CHAR_NULL && *ptr != CHAR_RIGHT_PARENTHESIS) ptr++;
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if (*ptr == CHAR_NULL)
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while (ptr < cd->end_pattern && *ptr != CHAR_RIGHT_PARENTHESIS) ptr++;
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if (*ptr != CHAR_RIGHT_PARENTHESIS)
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{
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*errorcodeptr = ERR18;
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goto FAILED;
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@ -5216,7 +5212,7 @@ for (;; ptr++)
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{
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if (IS_DIGIT(*ptr))
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{
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*errorcodeptr = ERR84;
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*errorcodeptr = ERR44; /* Group name must start with non-digit */
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goto FAILED;
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}
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if (!MAX_255(*ptr) || (cd->ctypes[*ptr] & ctype_word) == 0)
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@ -5477,7 +5473,7 @@ for (;; ptr++)
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name = ++ptr;
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if (IS_DIGIT(*ptr))
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{
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*errorcodeptr = ERR84; /* Group name must start with non-digit */
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*errorcodeptr = ERR44; /* Group name must start with non-digit */
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goto FAILED;
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}
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while (MAX_255(*ptr) && (cd->ctypes[*ptr] & ctype_word) != 0) ptr++;
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@ -5554,7 +5550,6 @@ for (;; ptr++)
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named_group *newspace =
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cd->cx->memctl.malloc(newsize * sizeof(named_group),
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cd->cx->memctl.memory_data);
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if (newspace == NULL)
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{
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*errorcodeptr = ERR21;
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@ -5597,7 +5592,7 @@ for (;; ptr++)
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name = ++ptr;
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if (IS_DIGIT(*ptr))
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{
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*errorcodeptr = ERR84; /* Group name must start with non-digit */
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*errorcodeptr = ERR44; /* Group name must start with non-digit */
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goto FAILED;
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}
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while (MAX_255(*ptr) && (cd->ctypes[*ptr] & ctype_word) != 0) ptr++;
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@ -5613,7 +5608,6 @@ for (;; ptr++)
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if (lengthptr != NULL)
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{
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named_group *ng;
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if (namelen == 0)
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{
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*errorcodeptr = ERR62;
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@ -5915,7 +5909,7 @@ for (;; ptr++)
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case CHAR_x: *optset |= PCRE2_EXTENDED; break;
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case CHAR_U: *optset |= PCRE2_UNGREEDY; break;
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default: *errorcodeptr = ERR12;
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default: *errorcodeptr = ERR11;
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ptr--; /* Correct the offset */
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goto FAILED;
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}
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@ -6002,7 +5996,7 @@ for (;; ptr++)
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if ((cd->parens_depth += 1) > PARENS_NEST_LIMIT)
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{
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*errorcodeptr = ERR82;
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*errorcodeptr = ERR19;
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goto FAILED;
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}
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@ -6580,7 +6574,7 @@ branch_chain bc;
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if (ccontext->stack_guard != NULL && ccontext->stack_guard(0))
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{
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*errorcodeptr= ERR85;
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*errorcodeptr= ERR33;
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return FALSE;
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}
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#endif
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@ -7265,38 +7259,29 @@ PCRE2_EXP_DEFN pcre2_code * PCRE2_CALL_CONVENTION
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pcre2_compile(PCRE2_SPTR pattern, int patlen, uint32_t options,
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int *errorptr, size_t *erroroffset, pcre2_compile_context *ccontext)
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{
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BOOL utf; /* Set TRUE for UTF mode */
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pcre2_real_code *re = NULL; /* What we will return */
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pcre2_compile_context default_context; /* For use if no context given */
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compile_data cd; /* "Static" compile-time data */
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const uint8_t *tables; /* Char tables base pointer */
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PCRE2_UCHAR *code; /* Current pointer in compiled code */
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PCRE2_SPTR codestart; /* Start of compiled code */
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PCRE2_SPTR ptr; /* Current pointer in pattern */
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size_t length = 1; /* Allow or final END opcode */
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size_t re_blocksize; /* Size of memory block */
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int32_t firstcuflags, reqcuflags; /* Type of first/req code unit */
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uint32_t firstcu, reqcu; /* Value of first/req code unit */
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uint32_t skipatstart; /* When checking (*UTF) etc */
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uint32_t limit_match = MATCH_LIMIT; /* Default match limits */
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uint32_t limit_recursion = MATCH_LIMIT_RECURSION;
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compile_data cd; /* "Static" compile-time data */
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PCRE2_SPTR codestart; /* Start of compiled code */
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PCRE2_SPTR ptr; /* Current pointer in pattern */
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PCRE2_UCHAR *code; /* Current pointer in compiled code */
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uint32_t skipatstart; /* When checking (*UTF) etc */
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const uint8_t *tables; /* Char tables base pointer */
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BOOL utf;
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int newline = 0; /* Unset; can be set by the pattern */
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int bsr = 0; /* Unset; can be set by the pattern */
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int errorcode = 0; /* Initialize */
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size_t re_blocksize;
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int errorcode = 0; /* Initialize to avoid compiler warn */
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/* Comments at the head of this file explain about these variables. */
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@ -7494,7 +7479,7 @@ if (utf)
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{
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if ((options & PCRE2_NEVER_UTF) != 0)
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{
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errorcode = ERR78;
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errorcode = ERR74;
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goto HAD_ERROR;
|
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}
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if ((options & PCRE2_NO_UTF_CHECK) == 0 &&
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@ -7593,7 +7578,7 @@ if (re == NULL)
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re->memctl = ccontext->memctl;
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re->tables = tables;
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re->executable_jit = NULL;
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memset(re->start_bitmap, 32, 0);
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memset(re->start_bitmap, 0, 32 * sizeof(uint8_t));
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re->blocksize = re_blocksize;
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re->magic_number = MAGIC_NUMBER;
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re->compile_options = options;
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@ -7748,10 +7733,8 @@ if (errorcode == 0 && re->top_backref > re->top_bracket) errorcode = ERR15;
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/* Unless disabled, check whether single character iterators can be
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auto-possessified. The function overwrites the appropriate opcode values. */
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#ifdef FIXME
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if ((options & PCRE2_NO_AUTO_POSSESS) == 0)
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auto_possessify((PCRE2_UCHAR *)codestart, utf, cd);
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#endif
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PRIV(auto_possessify)((PCRE2_UCHAR *)codestart, utf, &cd);
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/* If there were any lookbehind assertions that contained OP_RECURSE
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(recursions or subroutine calls), a flag is set for them to be checked here,
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@ -7901,6 +7884,15 @@ do
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}
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while (*codestart == OP_ALT);
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/* Finally, study the compiled pattern to set up information such as a bitmap
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of starting code units and a minimum matching length. */
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if (PRIV(study)(re) != 0)
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{
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errorcode = ERR31;
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goto HAD_ERROR;
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}
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/* Control ends up here in all cases. If memory was obtained for a
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zero-terminated copy of the pattern, remember to free it before returning. */
|
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|
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@ -54,15 +54,13 @@ POSSIBILITY OF SUCH DAMAGE.
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/* The texts of compile-time error messages. Compile-time error numbers start
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at COMPILE_ERROR_BASE (100).
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Do not ever re-use any error
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number, because they are documented. Always add a new error instead. Messages
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marked DEAD below are no longer used. This used to be a table of strings, but
|
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in order to reduce the number of relocations needed when a shared library is
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loaded dynamically, it is now one long string. We cannot use a table of
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offsets, because the lengths of inserts such as XSTRING(MAX_NAME_SIZE) are not
|
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known. Instead, pcre2_get_error_message() counts through to the one it wants -
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this isn't a performance issue because these strings are used only when there
|
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is an error.
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Do not ever re-use any error number, because they are documented. Always add a
|
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new error instead. This used to be a table of strings, but in order to reduce
|
||||
the number of relocations needed when a shared library is loaded dynamically,
|
||||
it is now one long string. We cannot use a table of offsets, because the
|
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lengths of inserts such as XSTRING(MAX_NAME_SIZE) are not known. Instead,
|
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pcre2_get_error_message() counts through to the one it wants - this isn't a
|
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performance issue because these strings are used only when there is an error.
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|
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Each substring ends with \0 to insert a null character. This includes the final
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substring, so that the whole string ends with \0\0, which can be detected when
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|
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@ -81,21 +79,21 @@ static const char compile_error_texts[] =
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"range out of order in character class\0"
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"nothing to repeat\0"
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/* 10 */
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"operand of unlimited repeat could match the empty string\0" /** DEAD **/
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"internal error: unexpected repeat\0"
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"unrecognized character after (? or (?-\0"
|
||||
"POSIX named classes are supported only within a class\0"
|
||||
"missing )\0"
|
||||
"POSIX collating elements are not supported\0"
|
||||
"missing closing parenthesis\0"
|
||||
/* 15 */
|
||||
"reference to non-existent subpattern\0"
|
||||
"pattern or erroffset passed as NULL\0"
|
||||
"unknown option bit(s) set\0"
|
||||
"missing ) after comment\0"
|
||||
"parentheses nested too deeply\0" /** DEAD **/
|
||||
"pattern passed as NULL\0"
|
||||
"unknown compile-time option bit(s)\0"
|
||||
"missing ) after (?# comment\0"
|
||||
"parentheses are too deeply nested\0"
|
||||
/* 20 */
|
||||
"regular expression is too large\0"
|
||||
"failed to get memory\0"
|
||||
"unmatched parentheses\0"
|
||||
"failed to allocate heap memory\0"
|
||||
"unmatched closing parenthesis\0"
|
||||
"internal error: code overflow\0"
|
||||
"unrecognized character after (?<\0"
|
||||
/* 25 */
|
||||
|
|
@ -106,36 +104,36 @@ static const char compile_error_texts[] =
|
|||
"(?R or (?[+-]digits must be followed by )\0"
|
||||
/* 30 */
|
||||
"unknown POSIX class name\0"
|
||||
"POSIX collating elements are not supported\0"
|
||||
"internal error in pcre2_study(): should not occur\0"
|
||||
"this version of PCRE does not have UTF or Unicode property support\0"
|
||||
"spare error\0" /** DEAD **/
|
||||
"character value in \\x{} or \\o{} is too large\0"
|
||||
"parentheses are too deeply nested (stack check)\0"
|
||||
"character code point value in \\x{} or \\o{} is too large\0"
|
||||
/* 35 */
|
||||
"invalid condition (?(0)\0"
|
||||
"\\C not allowed in lookbehind assertion\0"
|
||||
"\\C is not allowed in a lookbehind assertion\0"
|
||||
"PCRE does not support \\L, \\l, \\N{name}, \\U, or \\u\0"
|
||||
"number after (?C is > 255\0"
|
||||
"closing ) for (?C expected\0"
|
||||
"number after (?C is greater than 255\0"
|
||||
"closing parenthesis for (?C expected\0"
|
||||
/* 40 */
|
||||
"recursive call could loop indefinitely\0"
|
||||
"recursion could loop indefinitely\0"
|
||||
"unrecognized character after (?P\0"
|
||||
"syntax error in subpattern name (missing terminator)\0"
|
||||
"two named subpatterns have the same name\0"
|
||||
"invalid UTF-8 string\0"
|
||||
"two named subpatterns have the same name (PCRE2_DUPNAMES not set)\0"
|
||||
"group name must start with a non-digit\0"
|
||||
/* 45 */
|
||||
"support for \\P, \\p, and \\X has not been compiled\0"
|
||||
"this version of PCRE does not have support for \\P, \\p, or \\X\0"
|
||||
"malformed \\P or \\p sequence\0"
|
||||
"unknown property name after \\P or \\p\0"
|
||||
"subpattern name is too long (maximum " XSTRING(MAX_NAME_SIZE) " characters)\0"
|
||||
"too many named subpatterns (maximum " XSTRING(MAX_NAME_COUNT) ")\0"
|
||||
/* 50 */
|
||||
"repeated subpattern is too long\0" /** DEAD **/
|
||||
"invalid range in character class\0"
|
||||
"octal value is greater than \\377 in 8-bit non-UTF-8 mode\0"
|
||||
"internal error: overran compiling workspace\0"
|
||||
"internal error: previously-checked referenced subpattern not found\0"
|
||||
"DEFINE group contains more than one branch\0"
|
||||
/* 55 */
|
||||
"repeating a DEFINE group is not allowed\0" /** DEAD **/
|
||||
"missing opening brace after \\o\0"
|
||||
"internal error: unknown newline setting\0"
|
||||
"\\g is not followed by a braced, angle-bracketed, or quoted name/number or by a plain number\0"
|
||||
"a numbered reference must not be zero\0"
|
||||
|
|
@ -145,11 +143,11 @@ static const char compile_error_texts[] =
|
|||
"number is too big\0"
|
||||
"subpattern name expected\0"
|
||||
"digit expected after (?+\0"
|
||||
"] is an invalid data character in JavaScript compatibility mode\0"
|
||||
"non-octal character in \\o{} (closing brace missing?)\0"
|
||||
/* 65 */
|
||||
"different names for subpatterns of the same number are not allowed\0"
|
||||
"(*MARK) must have an argument\0"
|
||||
"this version of PCRE is not compiled with Unicode property support\0"
|
||||
"non-hex character in \\x{} (closing brace missing?)\0"
|
||||
"\\c must be followed by an ASCII character\0"
|
||||
"\\k is not followed by a braced, angle-bracketed, or quoted name\0"
|
||||
/* 70 */
|
||||
|
|
@ -157,21 +155,11 @@ static const char compile_error_texts[] =
|
|||
"\\N is not supported in a class\0"
|
||||
"too many forward references\0"
|
||||
"disallowed Unicode code point (>= 0xd800 && <= 0xdfff)\0"
|
||||
"invalid UTF-16 string\0"
|
||||
"using (*UTF) is disabled by the application\0"
|
||||
/* 75 */
|
||||
"name is too long in (*MARK), (*PRUNE), (*SKIP), or (*THEN)\0"
|
||||
"character value in \\u.... sequence is too large\0"
|
||||
"invalid UTF-32 string\0"
|
||||
"setting UTF is disabled by the application\0"
|
||||
"non-hex character in \\x{} (closing brace missing?)\0"
|
||||
/* 80 */
|
||||
"non-octal character in \\o{} (closing brace missing?)\0"
|
||||
"missing opening brace after \\o\0"
|
||||
"parentheses are too deeply nested\0"
|
||||
"invalid range in character class\0"
|
||||
"group name must start with a non-digit\0"
|
||||
/* 85 */
|
||||
"parentheses are too deeply nested (stack check)\0"
|
||||
"character code point value in \\u.... sequence is too large\0"
|
||||
"digits missing in \\x{} or \\o{}\0"
|
||||
;
|
||||
|
||||
/* Match-time and UTF error texts are in the same format. */
|
||||
|
|
|
|||
|
|
@ -225,10 +225,11 @@ else
|
|||
#endif /* not HAVE_MEMMOVE */
|
||||
#endif /* not VPCOMPAT */
|
||||
|
||||
/* External (in the C sense) functions and macros that are private to the
|
||||
/* External (in the C sense) functions and tables that are private to the
|
||||
libraries are always referenced using the PRIV macro. This makes it possible
|
||||
for pcre2test.c to include some of the source files from the libraries using a
|
||||
different PRIV definition to avoid name clashes. */
|
||||
different PRIV definition to avoid name clashes. It also makes it clear in the
|
||||
code that a non-static object is being referenced. */
|
||||
|
||||
#ifndef PRIV
|
||||
#define PRIV(name) _pcre2_##name
|
||||
|
|
@ -1724,7 +1725,7 @@ typedef struct {
|
|||
uint16_t value;
|
||||
} ucp_type_table;
|
||||
|
||||
/* Unicode character database (UCD) */
|
||||
/* Unicode character database (UCD) record format */
|
||||
|
||||
typedef struct {
|
||||
uint8_t script; /* ucp_Arabic, etc. */
|
||||
|
|
@ -1734,16 +1735,6 @@ typedef struct {
|
|||
int32_t other_case; /* offset to other case, or zero if none */
|
||||
} ucd_record;
|
||||
|
||||
extern const uint32_t PRIV(ucd_caseless_sets)[];
|
||||
extern const ucd_record PRIV(ucd_records)[];
|
||||
extern const uint8_t PRIV(ucd_stage1)[];
|
||||
extern const uint16_t PRIV(ucd_stage2)[];
|
||||
extern const uint32_t PRIV(ucp_gentype)[];
|
||||
extern const uint32_t PRIV(ucp_gbtable)[];
|
||||
#ifdef SUPPORT_JIT
|
||||
extern const int PRIV(ucp_typerange)[];
|
||||
#endif
|
||||
|
||||
/* UCD access macros */
|
||||
|
||||
#define UCD_BLOCK_SIZE 128
|
||||
|
|
@ -1774,11 +1765,10 @@ defined, so the following items are omitted. */
|
|||
|
||||
/* Internal shared data tables. These are tables that are used by more than one
|
||||
of the exported public functions. They have to be "external" in the C sense,
|
||||
but are not part of the PCRE2 public API. The data for these tables is in the
|
||||
pcre2_tables.c module. Even though some of them are identical in each library,
|
||||
they must have different names so that more than one library can be linked with
|
||||
an application. UTF-8 tables are needed only when compiling the 8-bit library.
|
||||
*/
|
||||
but are not part of the PCRE2 public API. Although the data for some of the
|
||||
tables is identical in all libraries, they must have different names so that
|
||||
multiple libraries can be simultaneously linked to a single application.
|
||||
However, UTF-8 tables are needed only when compiling the 8-bit library. */
|
||||
|
||||
#if PCRE2_CODE_UNIT_WIDTH == 8
|
||||
extern const int PRIV(utf8_table1)[];
|
||||
|
|
@ -1788,17 +1778,38 @@ extern const int PRIV(utf8_table3)[];
|
|||
extern const uint8_t PRIV(utf8_table4)[];
|
||||
#endif
|
||||
|
||||
extern const uint8_t PRIV(default_tables)[];
|
||||
extern const uint8_t PRIV(OP_lengths)[];
|
||||
#define _pcre2_OP_lengths PCRE2_SUFFIX(_pcre2_OP_lengths_)
|
||||
#define _pcre2_default_tables PCRE2_SUFFIX(_pcre2_default_tables_)
|
||||
#define _pcre2_hspace_list PCRE2_SUFFIX(_pcre2_hspace_list_)
|
||||
#define _pcre2_vspace_list PCRE2_SUFFIX(_pcre2_vspace_list_)
|
||||
#define _pcre2_ucd_caseless_sets PCRE2_SUFFIX(_pcre2_ucd_caseless_sets_)
|
||||
#define _pcre2_ucd_records PCRE2_SUFFIX(_pcre2_ucd_records_)
|
||||
#define _pcre2_ucd_stage1 PCRE2_SUFFIX(_pcre2_ucd_stage1_)
|
||||
#define _pcre2_ucd_stage2 PCRE2_SUFFIX(_pcre2_ucd_stage2_)
|
||||
#define _pcre2_ucp_gbtable PCRE2_SUFFIX(_pcre2_ucp_gbtable_)
|
||||
#define _pcre2_ucp_gentype PCRE2_SUFFIX(_pcre2_ucp_gentype_)
|
||||
#define _pcre2_ucp_typerange PCRE2_SUFFIX(_pcre2_ucp_typerange_)
|
||||
#define _pcre2_utt PCRE2_SUFFIX(_pcre2_utt_)
|
||||
#define _pcre2_utt_names PCRE2_SUFFIX(_pcre2_utt_names_)
|
||||
#define _pcre2_utt_size PCRE2_SUFFIX(_pcre2_utt_size_)
|
||||
|
||||
extern const uint8_t PRIV(OP_lengths)[];
|
||||
extern const uint8_t PRIV(default_tables)[];
|
||||
extern const uint32_t PRIV(hspace_list)[];
|
||||
extern const uint32_t PRIV(vspace_list)[];
|
||||
|
||||
extern const uint32_t PRIV(ucd_caseless_sets)[];
|
||||
extern const ucd_record PRIV(ucd_records)[];
|
||||
extern const uint8_t PRIV(ucd_stage1)[];
|
||||
extern const uint16_t PRIV(ucd_stage2)[];
|
||||
extern const uint32_t PRIV(ucp_gbtable)[];
|
||||
extern const uint32_t PRIV(ucp_gentype)[];
|
||||
#ifdef SUPPORT_JIT
|
||||
extern const int PRIV(ucp_typerange)[];
|
||||
#endif
|
||||
extern const ucp_type_table PRIV(utt)[];
|
||||
extern const char PRIV(utt_names)[];
|
||||
extern const size_t PRIV(utt_size);
|
||||
|
||||
|
||||
/* Mode-dependent macros and hidden and private structures are defined in a
|
||||
separate file so that pcre2test can include them at all supported widths. When
|
||||
compiling the library, PCRE2_CODE_UNIT_WIDTH will be defined, and we can
|
||||
|
|
@ -1811,12 +1822,13 @@ private structures. */
|
|||
|
||||
#include "pcre2_intmodedep.h"
|
||||
|
||||
/* Internal shared functions. These are functions that are used by more than
|
||||
one of the library's exported public functions. They have to be "external" in
|
||||
the C sense, but are not part of the PCRE public API. They are not referenced
|
||||
from pcre2test, and must not be defined when no code unit width is available.
|
||||
*/
|
||||
/* Private "external" functions. These are internal functions that are called
|
||||
from modules other than the one in which they are defined. They have to be
|
||||
"external" in the C sense, but are not part of the PCRE public API. They are
|
||||
not referenced from pcre2test, and must not be defined when no code unit width
|
||||
is available. */
|
||||
|
||||
#define _pcre2_auto_possessify PCRE2_SUFFIX(_pcre2_auto_possessify_)
|
||||
#define _pcre2_compile_context_init PCRE2_SUFFIX(_pcre2_compile_context_init_)
|
||||
#define _pcre2_find_bracket PCRE2_SUFFIX(_pcre2_find_bracket_)
|
||||
#define _pcre2_is_newline PCRE2_SUFFIX(_pcre2_is_newline_)
|
||||
|
|
@ -1828,9 +1840,12 @@ from pcre2test, and must not be defined when no code unit width is available.
|
|||
#define _pcre2_strlen PCRE2_SUFFIX(_pcre_strlen_)
|
||||
#define _pcre2_strncmp PCRE2_SUFFIX(_pcre_strncmp_)
|
||||
#define _pcre2_strncmp_c8 PCRE2_SUFFIX(_pcre_strncmp_c8_)
|
||||
#define _pcre2_study PCRE2_SUFFIX(_pcre_study_)
|
||||
#define _pcre2_valid_utf PCRE2_SUFFIX(_pcre_valid_utf_)
|
||||
#define _pcre2_was_newline PCRE2_SUFFIX(_pcre2_was_newline_)
|
||||
#define _pcre2_xclass PCRE2_SUFFIX(_pcre2_xclass_)
|
||||
|
||||
extern void _pcre2_auto_possessify(PCRE2_UCHAR *, BOOL, const compile_data *);
|
||||
extern void _pcre2_compile_context_init(pcre2_compile_context *, BOOL);
|
||||
extern PCRE2_SPTR _pcre2_find_bracket(PCRE2_SPTR, BOOL, int);
|
||||
extern BOOL _pcre2_is_newline(PCRE2_SPTR, int, PCRE2_SPTR, int *, BOOL);
|
||||
|
|
@ -1842,8 +1857,10 @@ extern int _pcre2_strcmp_c8(PCRE2_SPTR, const char *);
|
|||
extern int _pcre2_strlen(PCRE2_SPTR);
|
||||
extern int _pcre2_strncmp(PCRE2_SPTR, PCRE2_SPTR, size_t);
|
||||
extern int _pcre2_strncmp_c8(PCRE2_SPTR, const char *, size_t);
|
||||
extern int _pcre2_study(pcre2_real_code *);
|
||||
extern int _pcre2_valid_utf(PCRE2_SPTR, int, size_t *);
|
||||
extern BOOL _pcre2_was_newline(PCRE2_SPTR, int, PCRE2_SPTR, int *, BOOL);
|
||||
extern BOOL _pcre2_xclass(uint32_t, PCRE2_SPTR, BOOL);
|
||||
#endif /* PCRE2_CODE_UNIT_WIDTH */
|
||||
|
||||
/* End of pcre2_internal.h */
|
||||
|
|
|
|||
File diff suppressed because it is too large
Load Diff
|
|
@ -0,0 +1,269 @@
|
|||
/*************************************************
|
||||
* Perl-Compatible Regular Expressions *
|
||||
*************************************************/
|
||||
|
||||
/* PCRE is a library of functions to support regular expressions whose syntax
|
||||
and semantics are as close as possible to those of the Perl 5 language.
|
||||
|
||||
Written by Philip Hazel
|
||||
Original API code Copyright (c) 1997-2012 University of Cambridge
|
||||
New API code Copyright (c) 2014 University of Cambridge
|
||||
|
||||
-----------------------------------------------------------------------------
|
||||
Redistribution and use in source and binary forms, with or without
|
||||
modification, are permitted provided that the following conditions are met:
|
||||
|
||||
* Redistributions of source code must retain the above copyright notice,
|
||||
this list of conditions and the following disclaimer.
|
||||
|
||||
* 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.
|
||||
|
||||
* Neither the name of the University of Cambridge nor the names of its
|
||||
contributors may be used to endorse or promote products derived from
|
||||
this software without specific prior written permission.
|
||||
|
||||
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.
|
||||
-----------------------------------------------------------------------------
|
||||
*/
|
||||
|
||||
/* This module contains an internal function that is used to match an extended
|
||||
class. It is used by pcre2_auto_possessify() and by both pcre2_match() and
|
||||
pcre2_def_match(). */
|
||||
|
||||
|
||||
#ifdef HAVE_CONFIG_H
|
||||
#include "config.h"
|
||||
#endif
|
||||
|
||||
|
||||
#include "pcre2_internal.h"
|
||||
|
||||
/*************************************************
|
||||
* Match character against an XCLASS *
|
||||
*************************************************/
|
||||
|
||||
/* This function is called to match a character against an extended class that
|
||||
might contain codepoints above 255 and/or Unicode properties.
|
||||
|
||||
Arguments:
|
||||
c the character
|
||||
data points to the flag code unit of the XCLASS data
|
||||
utf TRUE if in UTF mode
|
||||
|
||||
Returns: TRUE if character matches, else FALSE
|
||||
*/
|
||||
|
||||
BOOL
|
||||
PRIV(xclass)(uint32_t c, PCRE2_SPTR data, BOOL utf)
|
||||
{
|
||||
PCRE2_UCHAR t;
|
||||
BOOL negated = (*data & XCL_NOT) != 0;
|
||||
|
||||
#if PCRE2_CODE_UNIT_WIDTH == 8
|
||||
/* In 8 bit mode, this must always be TRUE. Help the compiler to know that. */
|
||||
utf = TRUE;
|
||||
#endif
|
||||
|
||||
/* Code points < 256 are matched against a bitmap, if one is present. If not,
|
||||
we still carry on, because there may be ranges that start below 256 in the
|
||||
additional data. */
|
||||
|
||||
if (c < 256)
|
||||
{
|
||||
if ((*data & XCL_HASPROP) == 0)
|
||||
{
|
||||
if ((*data & XCL_MAP) == 0) return negated;
|
||||
return (((uint8_t *)(data + 1))[c/8] & (1 << (c&7))) != 0;
|
||||
}
|
||||
if ((*data & XCL_MAP) != 0 &&
|
||||
(((uint8_t *)(data + 1))[c/8] & (1 << (c&7))) != 0)
|
||||
return !negated; /* char found */
|
||||
}
|
||||
|
||||
/* First skip the bit map if present. Then match against the list of Unicode
|
||||
properties or large chars or ranges that end with a large char. We won't ever
|
||||
encounter XCL_PROP or XCL_NOTPROP when UTF support is not compiled. */
|
||||
|
||||
if ((*data++ & XCL_MAP) != 0) data += 32 / sizeof(PCRE2_UCHAR);
|
||||
|
||||
while ((t = *data++) != XCL_END)
|
||||
{
|
||||
uint32_t x, y;
|
||||
if (t == XCL_SINGLE)
|
||||
{
|
||||
#ifdef SUPPORT_UTF
|
||||
if (utf)
|
||||
{
|
||||
GETCHARINC(x, data); /* macro generates multiple statements */
|
||||
}
|
||||
else
|
||||
#endif
|
||||
x = *data++;
|
||||
if (c == x) return !negated;
|
||||
}
|
||||
else if (t == XCL_RANGE)
|
||||
{
|
||||
#ifdef SUPPORT_UTF
|
||||
if (utf)
|
||||
{
|
||||
GETCHARINC(x, data); /* macro generates multiple statements */
|
||||
GETCHARINC(y, data); /* macro generates multiple statements */
|
||||
}
|
||||
else
|
||||
#endif
|
||||
{
|
||||
x = *data++;
|
||||
y = *data++;
|
||||
}
|
||||
if (c >= x && c <= y) return !negated;
|
||||
}
|
||||
|
||||
#ifdef SUPPORT_UTF
|
||||
else /* XCL_PROP & XCL_NOTPROP */
|
||||
{
|
||||
const ucd_record *prop = GET_UCD(c);
|
||||
BOOL isprop = t == XCL_PROP;
|
||||
|
||||
switch(*data)
|
||||
{
|
||||
case PT_ANY:
|
||||
if (isprop) return !negated;
|
||||
break;
|
||||
|
||||
case PT_LAMP:
|
||||
if ((prop->chartype == ucp_Lu || prop->chartype == ucp_Ll ||
|
||||
prop->chartype == ucp_Lt) == isprop) return !negated;
|
||||
break;
|
||||
|
||||
case PT_GC:
|
||||
if ((data[1] == PRIV(ucp_gentype)[prop->chartype]) == isprop)
|
||||
return !negated;
|
||||
break;
|
||||
|
||||
case PT_PC:
|
||||
if ((data[1] == prop->chartype) == isprop) return !negated;
|
||||
break;
|
||||
|
||||
case PT_SC:
|
||||
if ((data[1] == prop->script) == isprop) return !negated;
|
||||
break;
|
||||
|
||||
case PT_ALNUM:
|
||||
if ((PRIV(ucp_gentype)[prop->chartype] == ucp_L ||
|
||||
PRIV(ucp_gentype)[prop->chartype] == ucp_N) == isprop)
|
||||
return !negated;
|
||||
break;
|
||||
|
||||
/* Perl space used to exclude VT, but from Perl 5.18 it is included,
|
||||
which means that Perl space and POSIX space are now identical. PCRE
|
||||
was changed at release 8.34. */
|
||||
|
||||
case PT_SPACE: /* Perl space */
|
||||
case PT_PXSPACE: /* POSIX space */
|
||||
switch(c)
|
||||
{
|
||||
HSPACE_CASES:
|
||||
VSPACE_CASES:
|
||||
if (isprop) return !negated;
|
||||
break;
|
||||
|
||||
default:
|
||||
if ((PRIV(ucp_gentype)[prop->chartype] == ucp_Z) == isprop)
|
||||
return !negated;
|
||||
break;
|
||||
}
|
||||
break;
|
||||
|
||||
case PT_WORD:
|
||||
if ((PRIV(ucp_gentype)[prop->chartype] == ucp_L ||
|
||||
PRIV(ucp_gentype)[prop->chartype] == ucp_N || c == CHAR_UNDERSCORE)
|
||||
== isprop)
|
||||
return !negated;
|
||||
break;
|
||||
|
||||
case PT_UCNC:
|
||||
if (c < 0xa0)
|
||||
{
|
||||
if ((c == CHAR_DOLLAR_SIGN || c == CHAR_COMMERCIAL_AT ||
|
||||
c == CHAR_GRAVE_ACCENT) == isprop)
|
||||
return !negated;
|
||||
}
|
||||
else
|
||||
{
|
||||
if ((c < 0xd800 || c > 0xdfff) == isprop)
|
||||
return !negated;
|
||||
}
|
||||
break;
|
||||
|
||||
/* The following three properties can occur only in an XCLASS, as there
|
||||
is no \p or \P coding for them. */
|
||||
|
||||
/* Graphic character. Implement this as not Z (space or separator) and
|
||||
not C (other), except for Cf (format) with a few exceptions. This seems
|
||||
to be what Perl does. The exceptional characters are:
|
||||
|
||||
U+061C Arabic Letter Mark
|
||||
U+180E Mongolian Vowel Separator
|
||||
U+2066 - U+2069 Various "isolate"s
|
||||
*/
|
||||
|
||||
case PT_PXGRAPH:
|
||||
if ((PRIV(ucp_gentype)[prop->chartype] != ucp_Z &&
|
||||
(PRIV(ucp_gentype)[prop->chartype] != ucp_C ||
|
||||
(prop->chartype == ucp_Cf &&
|
||||
c != 0x061c && c != 0x180e && (c < 0x2066 || c > 0x2069))
|
||||
)) == isprop)
|
||||
return !negated;
|
||||
break;
|
||||
|
||||
/* Printable character: same as graphic, with the addition of Zs, i.e.
|
||||
not Zl and not Zp, and U+180E. */
|
||||
|
||||
case PT_PXPRINT:
|
||||
if ((prop->chartype != ucp_Zl &&
|
||||
prop->chartype != ucp_Zp &&
|
||||
(PRIV(ucp_gentype)[prop->chartype] != ucp_C ||
|
||||
(prop->chartype == ucp_Cf &&
|
||||
c != 0x061c && (c < 0x2066 || c > 0x2069))
|
||||
)) == isprop)
|
||||
return !negated;
|
||||
break;
|
||||
|
||||
/* Punctuation: all Unicode punctuation, plus ASCII characters that
|
||||
Unicode treats as symbols rather than punctuation, for Perl
|
||||
compatibility (these are $+<=>^`|~). */
|
||||
|
||||
case PT_PXPUNCT:
|
||||
if ((PRIV(ucp_gentype)[prop->chartype] == ucp_P ||
|
||||
(c < 256 && PRIV(ucp_gentype)[prop->chartype] == ucp_S)) == isprop)
|
||||
return !negated;
|
||||
break;
|
||||
|
||||
/* This should never occur, but compilers may mutter if there is no
|
||||
default. */
|
||||
|
||||
default:
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
data += 2;
|
||||
}
|
||||
#endif /* SUPPORT_UTF */
|
||||
}
|
||||
|
||||
return negated; /* char did not match */
|
||||
}
|
||||
|
||||
/* End of pcre2_xclass.c */
|
||||
|
|
@ -80,36 +80,35 @@ static const int eint1[] = {
|
|||
REG_EESCAPE, /* unrecognized character follows \ */
|
||||
REG_BADBR, /* numbers out of order in {} quantifier */
|
||||
/* 5 */
|
||||
5, REG_BADBR, /* number too big in {} quantifier */
|
||||
REG_BADBR, /* number too big in {} quantifier */
|
||||
REG_EBRACK, /* missing terminating ] for character class */
|
||||
REG_ECTYPE, /* invalid escape sequence in character class */
|
||||
REG_ERANGE, /* range out of order in character class */
|
||||
REG_BADRPT, /* nothing to repeat */
|
||||
/* 10 */
|
||||
REG_BADRPT, /* operand of unlimited repeat could match the empty string */
|
||||
REG_ASSERT, /* internal error: unexpected repeat */
|
||||
REG_BADPAT, /* unrecognized character after (? */
|
||||
REG_BADPAT, /* unrecognized character after (? or (?- */
|
||||
REG_BADPAT, /* POSIX named classes are supported only within a class */
|
||||
REG_BADPAT, /* POSIX collating elements are not supported */
|
||||
REG_EPAREN, /* missing ) */
|
||||
/* 15 */
|
||||
REG_ESUBREG, /* reference to non-existent subpattern */
|
||||
REG_INVARG, /* erroffset passed as NULL */
|
||||
REG_INVARG, /* unknown option bit(s) set */
|
||||
REG_EPAREN, /* missing ) after comment */
|
||||
REG_INVARG, /* pattern passed as NULL */
|
||||
REG_INVARG, /* unknown compile-time option bit(s) */
|
||||
REG_EPAREN, /* missing ) after (?# comment */
|
||||
REG_ESIZE, /* parentheses nested too deeply */
|
||||
/* 20 */
|
||||
REG_ESIZE, /* regular expression too large */
|
||||
REG_ESPACE, /* failed to get memory */
|
||||
REG_EPAREN, /* unmatched parentheses */
|
||||
REG_EPAREN, /* unmatched closing parenthesis */
|
||||
REG_ASSERT /* internal error: code overflow */
|
||||
};
|
||||
|
||||
static const int eint2[] = {
|
||||
30, REG_ECTYPE, /* unknown POSIX class name */
|
||||
32, REG_INVARG, /* this version of PCRE2 is not compiled with PCRE2_UTF8 support */
|
||||
37, REG_EESCAPE, /* PCRE2 does not support \L, \l, \N, \U, or \u */
|
||||
32, REG_INVARG, /* this version of PCRE does not have UTF or UCP support */
|
||||
37, REG_EESCAPE, /* PCRE2 does not support \L, \l, \N{name}, \U, or \u */
|
||||
56, REG_INVARG, /* internal error: unknown newline setting */
|
||||
67, REG_INVARG, /* this version of PCRE2 is not compiled with PCRE2_UCP support */
|
||||
};
|
||||
|
||||
/* Table of texts corresponding to POSIX error codes */
|
||||
|
|
|
|||
|
|
@ -422,8 +422,8 @@ static modstruct modlist[] = {
|
|||
{ "altglobal", MOD_PND, MOD_CTL, CTL_ALTGLOBAL, PO(control) },
|
||||
{ "anchored", MOD_PD, MOD_OPT, PCRE2_ANCHORED, PD(options) },
|
||||
{ "auto_callout", MOD_PAT, MOD_OPT, PCRE2_AUTO_CALLOUT, PO(options) },
|
||||
{ "bsr", MOD_CTC, MOD_BSR, 0, CO(bsr_convention) },
|
||||
{ "bincode", MOD_PAT, MOD_CTL, CTL_BINCODE, PO(control) },
|
||||
{ "bsr", MOD_CTC, MOD_BSR, 0, CO(bsr_convention) },
|
||||
{ "callout_capture", MOD_DAT, MOD_CTL, CTL_CALLOUT_CAPTURE, DO(control) },
|
||||
{ "callout_fail", MOD_DAT, MOD_IN2, 0, DO(cfail) },
|
||||
{ "callout_none", MOD_DAT, MOD_CTL, CTL_CALLOUT_NONE, DO(control) },
|
||||
|
|
@ -4899,8 +4899,8 @@ _setmode( _fileno( stdout ), _O_BINARY );
|
|||
|
||||
/* Initialization that does not depend on the running mode. */
|
||||
|
||||
memset(&def_patctl, sizeof(patctl), 0);
|
||||
memset(&def_datctl, sizeof(datctl), 0);
|
||||
memset(&def_patctl, 0, sizeof(patctl));
|
||||
memset(&def_datctl, 0, sizeof(datctl));
|
||||
def_datctl.oveccount = DEFAULT_OVECCOUNT;
|
||||
def_datctl.copy_numbers[0] = -1;
|
||||
def_datctl.get_numbers[0] = -1;
|
||||
|
|
|
|||
Loading…
Reference in New Issue