}
#endif /* not _LIBC */
-/* This function parse bracket expression like "[abc]", "[a-c]",
- "[[.a-a.]]" etc. */
-
-static bin_tree_t *
-parse_bracket_exp (re_string_t *regexp, re_dfa_t *dfa, re_token_t *token,
- reg_syntax_t syntax, reg_errcode_t *err)
-{
#ifdef _LIBC
- const unsigned char *collseqmb;
- const char *collseqwc;
- uint32_t nrules;
- int32_t table_size;
- const int32_t *symb_table;
- const unsigned char *extra;
+/* Local function for parse_bracket_exp used in _LIBC environment.
+ Seek the collating symbol entry corresponding to NAME.
+ Return the index of the symbol in the SYMB_TABLE,
+ or -1 if not found. */
- /* Local function for parse_bracket_exp used in _LIBC environment.
- Seek the collating symbol entry corresponding to NAME.
- Return the index of the symbol in the SYMB_TABLE,
- or -1 if not found. */
-
- auto inline int32_t
- __attribute__ ((always_inline))
- seek_collating_symbol_entry (const unsigned char *name, size_t name_len)
- {
- int32_t elem;
+static inline int32_t
+__attribute__ ((always_inline))
+seek_collating_symbol_entry (const unsigned char *name, size_t name_len,
+ const int32_t *symb_table, int32_t table_size,
+ const unsigned char *extra)
+{
+ int32_t elem;
- for (elem = 0; elem < table_size; elem++)
- if (symb_table[2 * elem] != 0)
- {
- int32_t idx = symb_table[2 * elem + 1];
- /* Skip the name of collating element name. */
- idx += 1 + extra[idx];
- if (/* Compare the length of the name. */
- name_len == extra[idx]
- /* Compare the name. */
- && memcmp (name, &extra[idx + 1], name_len) == 0)
- /* Yep, this is the entry. */
- return elem;
- }
- return -1;
- }
+ for (elem = 0; elem < table_size; elem++)
+ if (symb_table[2 * elem] != 0)
+ {
+ int32_t idx = symb_table[2 * elem + 1];
+ /* Skip the name of collating element name. */
+ idx += 1 + extra[idx];
+ if (/* Compare the length of the name. */
+ name_len == extra[idx]
+ /* Compare the name. */
+ && memcmp (name, &extra[idx + 1], name_len) == 0)
+ /* Yep, this is the entry. */
+ return elem;
+ }
+ return -1;
+}
- /* Local function for parse_bracket_exp used in _LIBC environment.
- Look up the collation sequence value of BR_ELEM.
- Return the value if succeeded, UINT_MAX otherwise. */
+/* Local function for parse_bracket_exp used in _LIBC environment.
+ Look up the collation sequence value of BR_ELEM.
+ Return the value if succeeded, UINT_MAX otherwise. */
- auto inline unsigned int
- __attribute__ ((always_inline))
- lookup_collation_sequence_value (bracket_elem_t *br_elem)
+static inline unsigned int
+__attribute__ ((always_inline))
+lookup_collation_sequence_value (bracket_elem_t *br_elem, uint32_t nrules,
+ const unsigned char *collseqmb,
+ const char *collseqwc, int32_t table_size,
+ const int32_t *symb_table,
+ const unsigned char *extra)
+{
+ if (br_elem->type == SB_CHAR)
{
- if (br_elem->type == SB_CHAR)
- {
- /*
- if (MB_CUR_MAX == 1)
- */
- if (nrules == 0)
- return collseqmb[br_elem->opr.ch];
- else
- {
- wint_t wc = __btowc (br_elem->opr.ch);
- return __collseq_table_lookup (collseqwc, wc);
- }
- }
- else if (br_elem->type == MB_CHAR)
+ /* if (MB_CUR_MAX == 1) */
+ if (nrules == 0)
+ return collseqmb[br_elem->opr.ch];
+ else
{
- if (nrules != 0)
- return __collseq_table_lookup (collseqwc, br_elem->opr.wch);
+ wint_t wc = __btowc (br_elem->opr.ch);
+ return __collseq_table_lookup (collseqwc, wc);
}
- else if (br_elem->type == COLL_SYM)
+ }
+ else if (br_elem->type == MB_CHAR)
+ {
+ if (nrules != 0)
+ return __collseq_table_lookup (collseqwc, br_elem->opr.wch);
+ }
+ else if (br_elem->type == COLL_SYM)
+ {
+ size_t sym_name_len = strlen ((char *) br_elem->opr.name);
+ if (nrules != 0)
{
- size_t sym_name_len = strlen ((char *) br_elem->opr.name);
- if (nrules != 0)
+ int32_t elem, idx;
+ elem = seek_collating_symbol_entry (br_elem->opr.name,
+ sym_name_len,
+ symb_table, table_size,
+ extra);
+ if (elem != -1)
{
- int32_t elem, idx;
- elem = seek_collating_symbol_entry (br_elem->opr.name,
- sym_name_len);
- if (elem != -1)
- {
- /* We found the entry. */
- idx = symb_table[2 * elem + 1];
- /* Skip the name of collating element name. */
- idx += 1 + extra[idx];
- /* Skip the byte sequence of the collating element. */
- idx += 1 + extra[idx];
- /* Adjust for the alignment. */
- idx = (idx + 3) & ~3;
- /* Skip the multibyte collation sequence value. */
- idx += sizeof (unsigned int);
- /* Skip the wide char sequence of the collating element. */
- idx += sizeof (unsigned int) *
- (1 + *(unsigned int *) (extra + idx));
- /* Return the collation sequence value. */
- return *(unsigned int *) (extra + idx);
- }
- else if (sym_name_len == 1)
- {
- /* No valid character. Match it as a single byte
- character. */
- return collseqmb[br_elem->opr.name[0]];
- }
+ /* We found the entry. */
+ idx = symb_table[2 * elem + 1];
+ /* Skip the name of collating element name. */
+ idx += 1 + extra[idx];
+ /* Skip the byte sequence of the collating element. */
+ idx += 1 + extra[idx];
+ /* Adjust for the alignment. */
+ idx = (idx + 3) & ~3;
+ /* Skip the multibyte collation sequence value. */
+ idx += sizeof (unsigned int);
+ /* Skip the wide char sequence of the collating element. */
+ idx += sizeof (unsigned int) *
+ (1 + *(unsigned int *) (extra + idx));
+ /* Return the collation sequence value. */
+ return *(unsigned int *) (extra + idx);
}
else if (sym_name_len == 1)
- return collseqmb[br_elem->opr.name[0]];
+ {
+ /* No valid character. Match it as a single byte
+ character. */
+ return collseqmb[br_elem->opr.name[0]];
+ }
}
- return UINT_MAX;
+ else if (sym_name_len == 1)
+ return collseqmb[br_elem->opr.name[0]];
}
+ return UINT_MAX;
+}
- /* Local function for parse_bracket_exp used in _LIBC environment.
- Build the range expression which starts from START_ELEM, and ends
- at END_ELEM. The result are written to MBCSET and SBCSET.
- RANGE_ALLOC is the allocated size of mbcset->range_starts, and
- mbcset->range_ends, is a pointer argument since we may
- update it. */
+/* Local function for parse_bracket_exp used in _LIBC environment.
+ Build the range expression which starts from START_ELEM, and ends
+ at END_ELEM. The result are written to MBCSET and SBCSET.
+ RANGE_ALLOC is the allocated size of mbcset->range_starts, and
+ mbcset->range_ends, is a pointer argument since we may
+ update it. */
- auto inline reg_errcode_t
- __attribute__ ((always_inline))
- build_range_exp (bitset_t sbcset, re_charset_t *mbcset, int *range_alloc,
- bracket_elem_t *start_elem, bracket_elem_t *end_elem)
- {
- unsigned int ch;
- uint32_t start_collseq;
- uint32_t end_collseq;
-
- /* Equivalence Classes and Character Classes can't be a range
- start/end. */
- if (__glibc_unlikely (start_elem->type == EQUIV_CLASS
- || start_elem->type == CHAR_CLASS
- || end_elem->type == EQUIV_CLASS
- || end_elem->type == CHAR_CLASS))
- return REG_ERANGE;
+static inline reg_errcode_t
+__attribute__ ((always_inline))
+build_range_exp (bitset_t sbcset, re_charset_t *mbcset, int *range_alloc,
+ bracket_elem_t *start_elem, bracket_elem_t *end_elem,
+ re_dfa_t *dfa, reg_syntax_t syntax, uint32_t nrules,
+ const unsigned char *collseqmb, const char *collseqwc,
+ int32_t table_size, const int32_t *symb_table,
+ const unsigned char *extra)
+{
+ unsigned int ch;
+ uint32_t start_collseq;
+ uint32_t end_collseq;
- /* FIXME: Implement rational ranges here, too. */
- start_collseq = lookup_collation_sequence_value (start_elem);
- end_collseq = lookup_collation_sequence_value (end_elem);
- /* Check start/end collation sequence values. */
- if (__glibc_unlikely (start_collseq == UINT_MAX
- || end_collseq == UINT_MAX))
- return REG_ECOLLATE;
- if (__glibc_unlikely ((syntax & RE_NO_EMPTY_RANGES)
- && start_collseq > end_collseq))
- return REG_ERANGE;
+ /* Equivalence Classes and Character Classes can't be a range
+ start/end. */
+ if (__glibc_unlikely (start_elem->type == EQUIV_CLASS
+ || start_elem->type == CHAR_CLASS
+ || end_elem->type == EQUIV_CLASS
+ || end_elem->type == CHAR_CLASS))
+ return REG_ERANGE;
- /* Got valid collation sequence values, add them as a new entry.
- However, if we have no collation elements, and the character set
- is single byte, the single byte character set that we
- build below suffices. */
- if (nrules > 0 || dfa->mb_cur_max > 1)
+ /* FIXME: Implement rational ranges here, too. */
+ start_collseq = lookup_collation_sequence_value (start_elem, nrules, collseqmb, collseqwc,
+ table_size, symb_table, extra);
+ end_collseq = lookup_collation_sequence_value (end_elem, nrules, collseqmb, collseqwc,
+ table_size, symb_table, extra);
+ /* Check start/end collation sequence values. */
+ if (__glibc_unlikely (start_collseq == UINT_MAX
+ || end_collseq == UINT_MAX))
+ return REG_ECOLLATE;
+ if (__glibc_unlikely ((syntax & RE_NO_EMPTY_RANGES)
+ && start_collseq > end_collseq))
+ return REG_ERANGE;
+
+ /* Got valid collation sequence values, add them as a new entry.
+ However, if we have no collation elements, and the character set
+ is single byte, the single byte character set that we
+ build below suffices. */
+ if (nrules > 0 || dfa->mb_cur_max > 1)
+ {
+ /* Check the space of the arrays. */
+ if (__glibc_unlikely (*range_alloc == mbcset->nranges))
{
- /* Check the space of the arrays. */
- if (__glibc_unlikely (*range_alloc == mbcset->nranges))
- {
- /* There is not enough space, need realloc. */
- uint32_t *new_array_start;
- uint32_t *new_array_end;
- Idx new_nranges;
-
- /* +1 in case of mbcset->nranges is 0. */
- new_nranges = 2 * mbcset->nranges + 1;
- new_array_start = re_realloc (mbcset->range_starts, uint32_t,
- new_nranges);
- new_array_end = re_realloc (mbcset->range_ends, uint32_t,
- new_nranges);
+ /* There is not enough space, need realloc. */
+ uint32_t *new_array_start;
+ uint32_t *new_array_end;
+ int new_nranges;
- if (__glibc_unlikely (new_array_start == NULL
- || new_array_end == NULL))
- return REG_ESPACE;
+ /* +1 in case of mbcset->nranges is 0. */
+ new_nranges = 2 * mbcset->nranges + 1;
+ new_array_start = re_realloc (mbcset->range_starts, uint32_t,
+ new_nranges);
+ new_array_end = re_realloc (mbcset->range_ends, uint32_t,
+ new_nranges);
- mbcset->range_starts = new_array_start;
- mbcset->range_ends = new_array_end;
- *range_alloc = new_nranges;
- }
+ if (__glibc_unlikely (new_array_start == NULL
+ || new_array_end == NULL))
+ return REG_ESPACE;
- mbcset->range_starts[mbcset->nranges] = start_collseq;
- mbcset->range_ends[mbcset->nranges++] = end_collseq;
+ mbcset->range_starts = new_array_start;
+ mbcset->range_ends = new_array_end;
+ *range_alloc = new_nranges;
}
- /* Build the table for single byte characters. */
- for (ch = 0; ch < SBC_MAX; ch++)
- {
- uint32_t ch_collseq;
- /*
- if (MB_CUR_MAX == 1)
- */
- if (nrules == 0)
- ch_collseq = collseqmb[ch];
- else
- ch_collseq = __collseq_table_lookup (collseqwc, __btowc (ch));
- if (start_collseq <= ch_collseq && ch_collseq <= end_collseq)
- bitset_set (sbcset, ch);
- }
- return REG_NOERROR;
+ mbcset->range_starts[mbcset->nranges] = start_collseq;
+ mbcset->range_ends[mbcset->nranges++] = end_collseq;
}
- /* Local function for parse_bracket_exp used in _LIBC environment.
- Build the collating element which is represented by NAME.
- The result are written to MBCSET and SBCSET.
- COLL_SYM_ALLOC is the allocated size of mbcset->coll_sym, is a
- pointer argument since we may update it. */
+ /* Build the table for single byte characters. */
+ for (ch = 0; ch < SBC_MAX; ch++)
+ {
+ uint32_t ch_collseq;
+ /* if (MB_CUR_MAX == 1) */
+ if (nrules == 0)
+ ch_collseq = collseqmb[ch];
+ else
+ ch_collseq = __collseq_table_lookup (collseqwc, __btowc (ch));
+ if (start_collseq <= ch_collseq && ch_collseq <= end_collseq)
+ bitset_set (sbcset, ch);
+ }
+ return REG_NOERROR;
+}
+
+/* Local function for parse_bracket_exp used in _LIBC environment.
+ Build the collating element which is represented by NAME.
+ The result are written to MBCSET and SBCSET.
+ COLL_SYM_ALLOC is the allocated size of mbcset->coll_sym, is a
+ pointer argument since we may update it. */
- auto inline reg_errcode_t
- __attribute__ ((always_inline))
- build_collating_symbol (bitset_t sbcset, re_charset_t *mbcset,
- Idx *coll_sym_alloc, const unsigned char *name)
+static inline reg_errcode_t
+__attribute__ ((always_inline))
+build_collating_symbol (bitset_t sbcset, re_charset_t *mbcset,
+ int *coll_sym_alloc, const unsigned char *name,
+ uint32_t nrules, int32_t table_size,
+ const int32_t *symb_table, const unsigned char *extra)
+{
+ int32_t elem, idx;
+ size_t name_len = strlen ((const char *) name);
+ if (nrules != 0)
{
- int32_t elem, idx;
- size_t name_len = strlen ((const char *) name);
- if (nrules != 0)
+ elem = seek_collating_symbol_entry (name, name_len, symb_table,
+ table_size, extra);
+ if (elem != -1)
{
- elem = seek_collating_symbol_entry (name, name_len);
- if (elem != -1)
- {
- /* We found the entry. */
- idx = symb_table[2 * elem + 1];
- /* Skip the name of collating element name. */
- idx += 1 + extra[idx];
- }
- else if (name_len == 1)
- {
- /* No valid character, treat it as a normal
- character. */
- bitset_set (sbcset, name[0]);
- return REG_NOERROR;
- }
- else
- return REG_ECOLLATE;
-
- /* Got valid collation sequence, add it as a new entry. */
- /* Check the space of the arrays. */
- if (__glibc_unlikely (*coll_sym_alloc == mbcset->ncoll_syms))
- {
- /* Not enough, realloc it. */
- /* +1 in case of mbcset->ncoll_syms is 0. */
- Idx new_coll_sym_alloc = 2 * mbcset->ncoll_syms + 1;
- /* Use realloc since mbcset->coll_syms is NULL
- if *alloc == 0. */
- int32_t *new_coll_syms = re_realloc (mbcset->coll_syms, int32_t,
- new_coll_sym_alloc);
- if (__glibc_unlikely (new_coll_syms == NULL))
- return REG_ESPACE;
- mbcset->coll_syms = new_coll_syms;
- *coll_sym_alloc = new_coll_sym_alloc;
- }
- mbcset->coll_syms[mbcset->ncoll_syms++] = idx;
+ /* We found the entry. */
+ idx = symb_table[2 * elem + 1];
+ /* Skip the name of collating element name. */
+ idx += 1 + extra[idx];
+ }
+ else if (name_len == 1)
+ {
+ /* No valid character, treat it as a normal
+ character. */
+ bitset_set (sbcset, name[0]);
return REG_NOERROR;
}
else
+ return REG_ECOLLATE;
+
+ /* Got valid collation sequence, add it as a new entry. */
+ /* Check the space of the arrays. */
+ if (__glibc_unlikely (*coll_sym_alloc == mbcset->ncoll_syms))
{
- if (__glibc_unlikely (name_len != 1))
- return REG_ECOLLATE;
- else
- {
- bitset_set (sbcset, name[0]);
- return REG_NOERROR;
- }
+ /* Not enough, realloc it. */
+ /* +1 in case of mbcset->ncoll_syms is 0. */
+ int new_coll_sym_alloc = 2 * mbcset->ncoll_syms + 1;
+ /* Use realloc since mbcset->coll_syms is NULL
+ if *alloc == 0. */
+ int32_t *new_coll_syms = re_realloc (mbcset->coll_syms, int32_t,
+ new_coll_sym_alloc);
+ if (__glibc_unlikely (new_coll_syms == NULL))
+ return REG_ESPACE;
+ mbcset->coll_syms = new_coll_syms;
+ *coll_sym_alloc = new_coll_sym_alloc;
}
+ mbcset->coll_syms[mbcset->ncoll_syms++] = idx;
+ return REG_NOERROR;
}
+ else
+ {
+ if (__glibc_unlikely (name_len != 1))
+ return REG_ECOLLATE;
+ else
+ {
+ bitset_set (sbcset, name[0]);
+ return REG_NOERROR;
+ }
+ }
+}
+#endif /* _LIBC */
+
+/* This function parse bracket expression like "[abc]", "[a-c]",
+ "[[.a-a.]]" etc. */
+
+static bin_tree_t *
+parse_bracket_exp (re_string_t *regexp, re_dfa_t *dfa, re_token_t *token,
+ reg_syntax_t syntax, reg_errcode_t *err)
+{
+#ifdef _LIBC
+ const unsigned char *collseqmb;
+ const char *collseqwc = NULL;
+ uint32_t nrules;
+ int32_t table_size = 0;
+ const int32_t *symb_table = NULL;
+ const unsigned char *extra = NULL;
#endif
re_token_t br_token;
#ifdef _LIBC
*err = build_range_exp (sbcset, mbcset, &range_alloc,
- &start_elem, &end_elem);
+ &start_elem, &end_elem,
+ dfa, syntax, nrules, collseqmb, collseqwc,
+ table_size, symb_table, extra);
#else
# ifdef RE_ENABLE_I18N
*err = build_range_exp (syntax, sbcset,
#ifdef RE_ENABLE_I18N
mbcset, &coll_sym_alloc,
#endif /* RE_ENABLE_I18N */
- start_elem.opr.name);
+ start_elem.opr.name,
+ nrules, table_size, symb_table, extra);
if (__glibc_unlikely (*err != REG_NOERROR))
goto parse_bracket_exp_free_return;
break;