In C++11 and C++14 any odr-use of these constants requires a definition
at namespace-scope. In C++17 they are implicitly inline and so the
namespace-scope redeclarations are redundant (and allowing them is
deprecated).
PR libstdc++/85098
* include/bits/regex.h [__cplusplus < 201703L] (basic_regex::icase)
(basic_regex::nosubs, basic_regex::optimize, basic_regex::collate)
(basic_regex::ECMAScript, basic_regex::basic, basic_regex::extended)
(basic_regex::awk, basic_regex::grep, basic_regex::egrep): Add
definitions.
* include/bits/regex_automaton.h (_NFA::_M_insert_state): Adjust
whitespace.
* include/bits/regex_compiler.tcc (__INSERT_REGEX_MATCHER): Add
braces around body of do-while.
* testsuite/28_regex/basic_regex/85098.cc: New
From-SVN: r260371
* include/bits/regex_automaton.h (_State_base, _State<>):
Remove _TraitsT dependency from _State<>; Make matcher member
into the union to reduce struct size.
* include/bits/regex_automaton.tcc (_State_base<>::_M_print,
_State_base<>::_M_dot, _StateSeq<>::_M_clone):
Adjust to fit the interface. Factor out common parts in
_M_clone as _State<>::_M_has_alt.
* include/bits/regex_executor.h (_Executer<>::_M_lookahead):
Only pass state id instead of the whole state.
* include/bits/regex_executor.tcc (_Executer<>::_M_dfs,
_Executer<>::_M_lookahead): Adjust to fit the interface.
* include/std/regex: Include <ext/aligned_buffer.h>
From-SVN: r226395
PR libstdc++/61061
PR libstdc++/61582
* include/bits/regex_automaton.h (_NFA<>::_M_insert_state): Add
a NFA state limit. If it's exceeded, regex_constants::error_space
will be throwed.
* include/bits/regex_automaton.tcc (_StateSeq<>::_M_clone): Use
map (which is sparse) instead of vector. This reduce n times clones'
cost from O(n^2) to O(n).
* include/std/regex: Add map dependency.
* testsuite/28_regex/algorithms/regex_match/ecma/char/61601.cc: New
testcase.
From-SVN: r212185
2014-04-27 Tim Shen <timshen91@gmail.com>
* include/bits/regex_automaton.h (_NFA<>::_M_insert_repeat):
Add _S_opcode_repeat support to distingush a loop from
_S_opcode_alternative.
* include/bits/regex_automaton.tcc (_State_base::_M_print,
_State_base::_M_dot, _NFA<>::_M_eliminate_dummy,
_StateSeq<>::_M_clone): Likewise.
* include/bits/regex_compiler.tcc (_Compiler<>::_M_quantifier):
Likewise.
* include/bits/regex_executor.tcc (_Executor<>::_M_dfs): Likewise.
* include/bits/regex_scanner.tcc (_Scanner<>::_M_eat_escape_ecma):
Uglify local variable __i.
* include/bits/regex_compiler.h (_BracketMatcher<>::_M_make_cache):
Use size_t instead of int to compare with vector::size().
2014-04-27 Tim Shen <timshen91@gmail.com>
* include/bits/regex_executor.h: Add _M_rep_count to track how
many times this repeat node are visited.
* include/bits/regex_executor.tcc (_Executor<>::_M_rep_once_more,
_Executor<>::_M_dfs): Use _M_rep_count to prevent entering
infinite loop.
2014-04-27 Tim Shen <timshen91@gmail.com>
* include/bits/regex.tcc (__regex_algo_impl<>): Remove
_GLIBCXX_REGEX_DFS_QUANTIFIERS_LIMIT and use
_GLIBCXX_REGEX_USE_THOMPSON_NFA instead.
* include/bits/regex_automaton.h: Remove quantifier counting variable.
* include/bits/regex_automaton.tcc (_State_base::_M_dot):
Adjust debug NFA dump.
From-SVN: r209844
2014-01-17 Tim Shen <timshen91@gmail.com>
* include/bits/regex_automaton.tcc (_StateSeq<>::_M_clone()): Do not
use std::map.
* include/bits/regex_automaton.h: Do not use std::set.
* include/bits/regex_compiler.h (_BracketMatcher<>::_M_add_char(),
_BracketMatcher<>::_M_add_collating_element(),
_BracketMatcher<>::_M_add_equivalence_class(),
_BracketMatcher<>::_M_make_range()): Likewise.
* include/bits/regex_compiler.tcc (_BracketMatcher<>::_M_apply()):
Likewise.
* include/bits/regex_executor.h: Do not use std::queue.
* include/bits/regex_executor.tcc (_Executor<>::_M_main(),
_Executor<>::_M_dfs()): Likewise.
* include/std/regex: Remove <map>, <set> and <queue>.
2014-01-17 Tim Shen <timshen91@gmail.com>
* include/bits/regex.h (__compile_nfa<>(), basic_regex<>::basic_regex(),
basic_regex<>::assign()): Change __compile_nfa to accept
const _CharT* only.
* include/bits/regex_compiler.h: Change _Compiler's template
argument from <_FwdIter, _TraitsT> to <_TraitsT>.
* include/bits/regex_compiler.tcc: Likewise.
2014-01-17 Tim Shen <timshen91@gmail.com>
* include/bits/regex_compiler.h: Change _ScannerT into char-type
templated.
* include/bits/regex_scanner.h (_Scanner<>::_Scanner()): Separate
_ScannerBase from _Scanner; Change _Scanner's template argument from
_FwdIter to _CharT. Avoid use of std::map and std::set by using arrays
instead.
* include/bits/regex_scanner.tcc (_Scanner<>::_Scanner(),
_Scanner<>::_M_scan_normal(), _Scanner<>::_M_eat_escape_ecma(),
_Scanner<>::_M_eat_escape_posix(), _Scanner<>::_M_eat_escape_awk()):
Likewise.
* include/std/regex: Add <cstring> for using strchr.
2014-01-17 Tim Shen <timshen91@gmail.com>
* bits/regex_automaton.tcc: Indentation fix.
* bits/regex_compiler.h (__compile_nfa<>(), _Compiler<>,
_RegexTranslator<> _AnyMatcher<>, _CharMatcher<>,
_BracketMatcher<>): Add bool option template parameters and
specializations to make matching more efficient and space saving.
* bits/regex_compiler.tcc: Likewise.
From-SVN: r206690
* include/bits/regex_automaton.h (__detail::_State): Split
non-dependent parts into new _State_base.
(__detail::_NFA): Likewise for _NFA_base. Use std::move() to avoid
copies when inserting _MatcherT and _StateT objects.
* include/bits/regex_automaton.tcc: Move member definitions to base
class. Qualify dependent names.
* include/bits/regex_compiler.h (__detail::_Compiler::_M_get_nfa): Make
non-const and use std::move to avoid copying.
* include/bits/regex_compiler.tcc: Likewise.
* include/bits/regex_executor.h (__detail::_Executor::_M_is_word): Use
array, so past-the-end iterator is valid.
From-SVN: r204571
2013-09-14 Tim Shen <timshen91@gmail.com>
* include/bits/regex.h (regex_match<>, regex_search<>):
Change regex_executor caller. Now use their return value instead
of checking __m[0].matched to find out if it's successful.
(regex_search<>): Move the search logic to regex_executor.
* include/bits/regex_automaton.h: Add some new _Opcode. Refactor
_NFA::_M_insert_*.
* include/bits/regex_automaton.tcc: Add DEBUG dump for new
_Opcode. Refactor _NFA::_M_insert_*.
* include/bits/regex_compiler.h (_Compiler<>::_M_get_nfa):
Use make_shared instead of construct by hand.
* include/bits/regex_compiler.tcc: Implement _Compiler<>::_M_assertion.
* include/bits/regex_constants.h: Fix indentation and line breaking.
* include/bits/regex_executor.h: Add _ResultsEntry to support
greedy/ungreedy mode. Move regex_search logic here.
* include/bits/regex_executor.tcc: Implement assertions and
greedy/ungreedy matching.
* include/bits/regex_scanner.h: Add a new token _S_token_ungreedy.
* include/bits/regex_scanner.tcc: Parse a new token _S_token_ungreedy.
* testsuite/28_regex/algorithms/regex_search/ecma/assertion.cc: New.
* testsuite/28_regex/algorithms/regex_search/ecma/greedy.cc: New.
* testsuite/28_regex/algorithms/regex_search/ecma/string_01.cc:
Fix comment.
From-SVN: r202591
