regex_automaton.h: Add dummy node type.
2013-09-05 Tim Shen <timshen91@gmail.com> * include/bits/regex_automaton.h: Add dummy node type. Rewrite _StateSeq. * include/bits/regex_automaton.tcc: Implement them. * include/bits/regex_compiler.h: Rewrite _Compiler to use new _StateSeq interfaces. * include/bits/regex_compiler.tcc: Implement them. * include/bits/regex_scanner.h: Add word boundry assertion token. * include/bits/regex_scanner.tcc (_Scanner<>::_M_eat_escape_ecma): Support word boundry. * testsuite/28_regex/algorithms/regex_match/basic/ string_range_02_03.cc: Remove "xfail". * testsuite/28_regex/algorithms/regex_match/extended/cstring_plus.cc: Likewise. * testsuite/28_regex/algorithms/regex_match/extended/ string_range_02_03.cc: Likewise. * testsuite/28_regex/algorithms/regex_match/extended/ cstring_questionmark.cc: Remove xfail and get correct length of c-string. * testsuite/28_regex/algorithms/regex_match/extended/ string_range_00_03.cc: Likewise. * testsuite/28_regex/algorithms/regex_match/ecma/char/quoted_char.cc: New. * testsuite/28_regex/algorithms/regex_match/extended/cstring_range.cc: New. * testsuite/28_regex/iterators/regex_iterator/wchar_t/string_02.cc: New. From-SVN: r202290
This commit is contained in:
Tim Shen
parent
e6523306de
commit
7c812a2a57
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@ -1,8 +1,36 @@
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2013-09-05 Tim Shen <timshen91@gmail.com>
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* include/bits/regex_automaton.h: Add dummy node type. Rewrite
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_StateSeq.
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* include/bits/regex_automaton.tcc: Implement them.
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* include/bits/regex_compiler.h: Rewrite _Compiler to use new
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_StateSeq interfaces.
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* include/bits/regex_compiler.tcc: Implement them.
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* include/bits/regex_scanner.h: Add word boundry assertion token.
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* include/bits/regex_scanner.tcc (_Scanner<>::_M_eat_escape_ecma):
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Support word boundry.
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* testsuite/28_regex/algorithms/regex_match/basic/
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string_range_02_03.cc: Remove "xfail".
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* testsuite/28_regex/algorithms/regex_match/extended/cstring_plus.cc:
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Likewise.
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* testsuite/28_regex/algorithms/regex_match/extended/
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string_range_02_03.cc: Likewise.
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* testsuite/28_regex/algorithms/regex_match/extended/
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cstring_questionmark.cc: Remove xfail and get correct length of
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c-string.
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* testsuite/28_regex/algorithms/regex_match/extended/
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string_range_00_03.cc: Likewise.
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* testsuite/28_regex/algorithms/regex_match/ecma/char/quoted_char.cc:
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New.
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* testsuite/28_regex/algorithms/regex_match/extended/cstring_range.cc:
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New.
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* testsuite/28_regex/iterators/regex_iterator/wchar_t/string_02.cc: New.
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2013-09-03 Paolo Carlini <paolo.carlini@oracle.com>
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PR libstdc++/58302
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* include/bits/random.tcc (negative_binomial_distribution<>::
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operator()(_UniformRandomNumberGenerator&, const param_type&):
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operator()(_UniformRandomNumberGenerator&, const param_type&)):
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Fix typo in template argument.
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* testsuite/26_numerics/random/negative_binomial_distribution/
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operators/58302.cc: New.
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@ -56,6 +56,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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_S_opcode_backref = 2,
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_S_opcode_subexpr_begin = 4,
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_S_opcode_subexpr_end = 5,
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_S_opcode_dummy = 6,
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_S_opcode_match = 100,
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_S_opcode_accept = 255
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};
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@ -69,7 +70,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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_OpcodeT _M_opcode; // type of outgoing transition
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_StateIdT _M_next; // outgoing transition
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union // Since they are mutual exclusive.
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union // Since they are mutually exclusive.
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{
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_StateIdT _M_alt; // for _S_opcode_alternative
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unsigned int _M_subexpr; // for _S_opcode_subexpr_*
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@ -201,6 +202,24 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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_StateIdT
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_M_insert_backref(unsigned int __index);
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_StateIdT
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_M_insert_dummy()
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{
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this->push_back(_StateT(_S_opcode_dummy));
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return this->size()-1;
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}
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_StateIdT
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_M_insert_state(_StateT __s)
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{
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this->push_back(__s);
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return this->size()-1;
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}
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// Eliminate dummy node in this NFA to make it compact.
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void
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_M_eliminate_dummy();
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#ifdef _GLIBCXX_DEBUG
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std::ostream&
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_M_dot(std::ostream& __ostr) const;
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@ -222,58 +241,40 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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{
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public:
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typedef _NFA<_CharT, _TraitsT> _RegexT;
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public:
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// Constructs a single-node sequence
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_StateSeq(_RegexT& __ss, _StateIdT __s,
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_StateIdT __e = _S_invalid_state_id)
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: _M_nfa(__ss), _M_start(__s), _M_end1(__s), _M_end2(__e)
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{ }
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// Constructs a split sequence from two other sequencces
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_StateSeq(const _StateSeq& __e1, const _StateSeq& __e2)
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: _M_nfa(__e1._M_nfa),
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_M_start(_M_nfa._M_insert_alt(__e1._M_start, __e2._M_start)),
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_M_end1(__e1._M_end1), _M_end2(__e2._M_end1)
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_StateSeq(_RegexT& __nfa, _StateIdT __s)
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: _StateSeq(__nfa, __s, __s)
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{ }
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// Constructs a split sequence from a single sequence
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_StateSeq(const _StateSeq& __e, _StateIdT __id)
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: _M_nfa(__e._M_nfa),
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_M_start(_M_nfa._M_insert_alt(__id, __e._M_start)),
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_M_end1(__id), _M_end2(__e._M_end1)
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_StateSeq(_RegexT& __nfa, _StateIdT __s, _StateIdT __end)
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: _M_nfa(__nfa), _M_start(__s), _M_end(__end)
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{ }
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// Constructs a copy of a %_StateSeq
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_StateSeq(const _StateSeq& __rhs)
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: _M_nfa(__rhs._M_nfa), _M_start(__rhs._M_start),
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_M_end1(__rhs._M_end1), _M_end2(__rhs._M_end2)
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{ }
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_StateSeq& operator=(const _StateSeq& __rhs);
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_StateIdT
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_M_front() const
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{ return _M_start; }
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// Extends a sequence by one.
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// Append a state on *this and change *this to the new sequence.
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void
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_M_push_back(_StateIdT __id);
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_M_append(_StateIdT __id)
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{
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_M_nfa[_M_end]._M_next = __id;
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_M_end = __id;
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}
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// Extends and maybe joins a sequence.
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// Append a sequence on *this and change *this to the new sequence.
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void
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_M_append(_StateIdT __id);
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void
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_M_append(_StateSeq& __rhs);
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_M_append(const _StateSeq& __s)
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{
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_M_nfa[_M_end]._M_next = __s._M_start;
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_M_end = __s._M_end;
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}
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// Clones an entire sequence.
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_StateIdT
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_StateSeq
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_M_clone();
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private:
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public:
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_RegexT& _M_nfa;
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_StateIdT _M_start;
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_StateIdT _M_end1;
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_StateIdT _M_end2;
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_StateIdT _M_end;
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};
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//@} regex-detail
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@ -102,9 +102,10 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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case _S_opcode_accept:
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__ostr << __id << " [label=\"" << __id << "\\nACC\"];\n" ;
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break;
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case _S_opcode_dummy:
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break;
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default:
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__ostr << __id << " [label=\"" << __id << "\\nUNK\"];\n"
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<< __id << " -> " << _M_next << " [label=\"?\"];\n";
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_GLIBCXX_DEBUG_ASSERT(false);
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break;
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}
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return __ostr;
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@ -145,65 +146,61 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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}
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template<typename _CharT, typename _TraitsT>
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_StateSeq<_CharT, _TraitsT>& _StateSeq<_CharT, _TraitsT>::
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operator=(const _StateSeq& __rhs)
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void _NFA<_CharT, _TraitsT>::
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_M_eliminate_dummy()
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{
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_M_start = __rhs._M_start;
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_M_end1 = __rhs._M_end1;
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_M_end2 = __rhs._M_end2;
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return *this;
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for (auto& __it : *this)
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{
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while (__it._M_next >= 0 && (*this)[__it._M_next]._M_opcode
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== _S_opcode_dummy)
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__it._M_next = (*this)[__it._M_next]._M_next;
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if (__it._M_opcode == _S_opcode_alternative)
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while (__it._M_alt >= 0 && (*this)[__it._M_alt]._M_opcode
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== _S_opcode_dummy)
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__it._M_alt = (*this)[__it._M_alt]._M_next;
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}
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}
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// Just apply DFS on the sequence and re-link their links.
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template<typename _CharT, typename _TraitsT>
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void _StateSeq<_CharT, _TraitsT>::
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_M_push_back(_StateIdT __id)
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{
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if (_M_end1 != _S_invalid_state_id)
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_M_nfa[_M_end1]._M_next = __id;
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_M_end1 = __id;
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}
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template<typename _CharT, typename _TraitsT>
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void _StateSeq<_CharT, _TraitsT>::
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_M_append(_StateIdT __id)
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{
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if (_M_end2 != _S_invalid_state_id)
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{
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if (_M_end2 == _M_end1)
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_M_nfa[_M_end2]._M_alt = __id;
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else
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_M_nfa[_M_end2]._M_next = __id;
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_M_end2 = _S_invalid_state_id;
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}
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if (_M_end1 != _S_invalid_state_id)
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_M_nfa[_M_end1]._M_next = __id;
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_M_end1 = __id;
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}
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template<typename _CharT, typename _TraitsT>
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void _StateSeq<_CharT, _TraitsT>::
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_M_append(_StateSeq& __rhs)
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{
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if (_M_end2 != _S_invalid_state_id)
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{
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if (_M_end2 == _M_end1)
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_M_nfa[_M_end2]._M_alt = __rhs._M_start;
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else
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_M_nfa[_M_end2]._M_next = __rhs._M_start;
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_M_end2 = _S_invalid_state_id;
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}
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if (__rhs._M_end2 != _S_invalid_state_id)
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_M_end2 = __rhs._M_end2;
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if (_M_end1 != _S_invalid_state_id)
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_M_nfa[_M_end1]._M_next = __rhs._M_start;
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_M_end1 = __rhs._M_end1;
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}
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// @todo implement this function.
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template<typename _CharT, typename _TraitsT>
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_StateIdT _StateSeq<_CharT, _TraitsT>::
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_StateSeq<_CharT, _TraitsT> _StateSeq<_CharT, _TraitsT>::
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_M_clone()
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{ return 0; }
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{
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std::map<_StateIdT, _StateIdT> __m;
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std::stack<_StateIdT> __stack;
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__stack.push(_M_start);
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while (!__stack.empty())
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{
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auto __u = __stack.top();
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__stack.pop();
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auto __dup = _M_nfa[__u];
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auto __id = _M_nfa._M_insert_state(__dup);
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__m[__u] = __id;
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if (__u == _M_end)
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continue;
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if (__m.count(__dup._M_next) == 0)
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__stack.push(__dup._M_next);
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if (__dup._M_opcode == _S_opcode_alternative)
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if (__m.count(__dup._M_alt) == 0)
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__stack.push(__dup._M_alt);
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}
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for (auto __it : __m)
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{
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auto& __ref = _M_nfa[__it.second];
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if (__ref._M_next != -1)
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{
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_GLIBCXX_DEBUG_ASSERT(__m.count(__ref._M_next));
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__ref._M_next = __m[__ref._M_next];
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}
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if (__ref._M_opcode == _S_opcode_alternative)
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if (__ref._M_alt != -1)
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{
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_GLIBCXX_DEBUG_ASSERT(__m.count(__ref._M_alt));
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__ref._M_alt = __m[__ref._M_alt];
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}
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}
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return _StateSeq(_M_nfa, __m[_M_start], __m[_M_end]);
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}
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_GLIBCXX_END_NAMESPACE_VERSION
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} // namespace __detail
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@ -56,7 +56,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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std::shared_ptr<_RegexT>
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_M_get_nfa() const
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{ return std::shared_ptr<_RegexT>(new _RegexT(_M_state_store)); }
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{ return std::shared_ptr<_RegexT>(new _RegexT(_M_nfa)); }
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private:
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typedef _Scanner<_FwdIter> _ScannerT;
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@ -64,6 +64,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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typedef _StateSeq<_CharT, _TraitsT> _StateSeqT;
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typedef std::stack<_StateSeqT, std::vector<_StateSeqT>> _StackT;
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typedef _BracketMatcher<_CharT, _TraitsT> _BMatcherT;
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typedef std::ctype<_CharT> _CtypeT;
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// accepts a specific token or returns false.
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bool
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@ -90,21 +91,12 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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bool
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_M_bracket_expression();
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void
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_M_bracket_list(_BMatcherT& __matcher);
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bool
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_M_follow_list(_BMatcherT& __matcher);
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void
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_M_expression_term(_BMatcherT& __matcher);
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bool
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_M_range_expression(_BMatcherT& __matcher);
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bool
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_M_start_range(_BMatcherT& __matcher);
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bool
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_M_collating_symbol(_BMatcherT& __matcher);
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@ -120,12 +112,18 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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bool
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_M_try_char();
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_CharT
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_M_get_char();
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_StateSeqT
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_M_pop()
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{
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auto ret = _M_stack.top();
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_M_stack.pop();
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return ret;
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}
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const _TraitsT& _M_traits;
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const _CtypeT& _M_ctype;
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_ScannerT _M_scanner;
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_RegexT _M_state_store;
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_RegexT _M_nfa;
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_StringT _M_value;
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_StackT _M_stack;
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_FlagT _M_flags;
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@ -28,6 +28,31 @@
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* Do not attempt to use it directly. @headername{regex}
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*/
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// TODO make comments doxygen format.
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// This compiler refers to "Regular Expression Matching Can Be Simple And Fast"
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// (http://swtch.com/~rsc/regexp/regexp1.html"),
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// but doesn't strictly follow it.
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//
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// When compiling, states are *chained* instead of tree- or graph-constructed.
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// It's more like structured programs: there's if statement and loop statement.
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//
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// For alternative structure(say "a|b"), aka "if statement", two branchs should
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// be constructed. However, these two shall merge to an "end_tag" at the end of
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// this operator:
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//
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// branch1
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// / \
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// => begin_tag end_tag =>
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// \ /
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// branch2
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//
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// This is the difference between this implementation and that in Russ's
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// article.
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//
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// That's why we introduced dummy node here ------ "end_tag" is a dummy node.
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// All dummy node will be eliminated at the end of compiling process.
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namespace std _GLIBCXX_VISIBILITY(default)
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{
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namespace __detail
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@ -39,32 +64,19 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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_Compiler(_FwdIter __b, _FwdIter __e,
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const _TraitsT& __traits, _FlagT __flags)
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: _M_traits(__traits), _M_scanner(__b, __e, __flags, _M_traits.getloc()),
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_M_state_store(__flags), _M_flags(__flags)
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_M_ctype(std::use_facet<std::ctype<_CharT>>(_M_traits.getloc())),
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_M_nfa(__flags), _M_flags(__flags)
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{
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_StateSeqT __r(_M_state_store,
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_M_state_store._M_insert_subexpr_begin());
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_M_disjunction();
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if (!_M_stack.empty())
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{
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__r._M_append(_M_stack.top());
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_M_stack.pop();
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}
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__r._M_append(_M_state_store._M_insert_subexpr_end());
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__r._M_append(_M_state_store._M_insert_accept());
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}
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template<typename _FwdIter, typename _CharT, typename _TraitsT>
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bool
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_Compiler<_FwdIter, _CharT, _TraitsT>::
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_M_match_token(_TokenT token)
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{
|
||||
if (token == _M_scanner._M_get_token())
|
||||
{
|
||||
_M_value = _M_scanner._M_get_value();
|
||||
_M_scanner._M_advance();
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
_StateSeqT __r(_M_nfa, _M_nfa._M_start());
|
||||
__r._M_append(_M_nfa._M_insert_subexpr_begin());
|
||||
this->_M_disjunction();
|
||||
if (!_M_match_token(_ScannerT::_S_token_eof))
|
||||
__throw_regex_error(regex_constants::error_paren);
|
||||
__r._M_append(_M_pop());
|
||||
_GLIBCXX_DEBUG_ASSERT(_M_stack.empty());
|
||||
__r._M_append(_M_nfa._M_insert_subexpr_end());
|
||||
__r._M_append(_M_nfa._M_insert_accept());
|
||||
_M_nfa._M_eliminate_dummy();
|
||||
}
|
||||
|
||||
template<typename _FwdIter, typename _CharT, typename _TraitsT>
|
||||
|
|
@ -73,12 +85,19 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
|
|||
_M_disjunction()
|
||||
{
|
||||
this->_M_alternative();
|
||||
if (_M_match_token(_ScannerT::_S_token_or))
|
||||
// TODO empty alternative like, um, "(|asdf)"
|
||||
while (_M_match_token(_ScannerT::_S_token_or))
|
||||
{
|
||||
_StateSeqT __alt1 = _M_stack.top(); _M_stack.pop();
|
||||
this->_M_disjunction();
|
||||
_StateSeqT __alt2 = _M_stack.top(); _M_stack.pop();
|
||||
_M_stack.push(_StateSeqT(__alt1, __alt2));
|
||||
_StateSeqT __alt1 = _M_pop();
|
||||
this->_M_alternative();
|
||||
_StateSeqT __alt2 = _M_pop();
|
||||
auto __end = _M_nfa._M_insert_dummy();
|
||||
__alt1._M_append(__end);
|
||||
__alt2._M_append(__end);
|
||||
_M_stack.push(_StateSeqT(_M_nfa,
|
||||
_M_nfa._M_insert_alt(__alt1._M_start,
|
||||
__alt2._M_start),
|
||||
__end));
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -89,15 +108,13 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
|
|||
{
|
||||
if (this->_M_term())
|
||||
{
|
||||
_StateSeqT __re = _M_stack.top(); _M_stack.pop();
|
||||
_StateSeqT __re = _M_pop();
|
||||
this->_M_alternative();
|
||||
if (!_M_stack.empty())
|
||||
{
|
||||
__re._M_append(_M_stack.top());
|
||||
_M_stack.pop();
|
||||
}
|
||||
__re._M_append(_M_pop());
|
||||
_M_stack.push(__re);
|
||||
}
|
||||
else
|
||||
_M_stack.push(_StateSeqT(_M_nfa, _M_nfa._M_insert_dummy()));
|
||||
}
|
||||
|
||||
template<typename _FwdIter, typename _CharT, typename _TraitsT>
|
||||
|
|
@ -121,7 +138,22 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
|
|||
_Compiler<_FwdIter, _CharT, _TraitsT>::
|
||||
_M_assertion()
|
||||
{
|
||||
return false;
|
||||
// temporary place holders.
|
||||
if (_M_match_token(_ScannerT::_S_token_line_begin))
|
||||
_M_stack.push(_StateSeqT(_M_nfa, _M_nfa._M_insert_dummy()));
|
||||
else if (_M_match_token(_ScannerT::_S_token_line_end))
|
||||
_M_stack.push(_StateSeqT(_M_nfa, _M_nfa._M_insert_dummy()));
|
||||
else if (_M_match_token(_ScannerT::_S_token_word_bound))
|
||||
_M_stack.push(_StateSeqT(_M_nfa, _M_nfa._M_insert_dummy()));
|
||||
else if (_M_match_token(_ScannerT::_S_token_neg_word_bound))
|
||||
_M_stack.push(_StateSeqT(_M_nfa, _M_nfa._M_insert_dummy()));
|
||||
else if (_M_match_token(_ScannerT::_S_token_subexpr_lookahead_begin))
|
||||
_M_stack.push(_StateSeqT(_M_nfa, _M_nfa._M_insert_dummy()));
|
||||
else if (_M_match_token(_ScannerT::_S_token_subexpr_neg_lookahead_begin))
|
||||
_M_stack.push(_StateSeqT(_M_nfa, _M_nfa._M_insert_dummy()));
|
||||
else
|
||||
return false;
|
||||
return true;
|
||||
}
|
||||
|
||||
template<typename _FwdIter, typename _CharT, typename _TraitsT>
|
||||
|
|
@ -133,67 +165,70 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
|
|||
{
|
||||
if (_M_stack.empty())
|
||||
__throw_regex_error(regex_constants::error_badrepeat);
|
||||
_StateSeqT __r(_M_stack.top(), -1);
|
||||
__r._M_append(__r._M_front());
|
||||
_M_stack.pop();
|
||||
auto __e = _M_pop();
|
||||
_StateSeqT __r(_M_nfa, _M_nfa._M_insert_alt(_S_invalid_state_id,
|
||||
__e._M_start));
|
||||
__e._M_append(__r);
|
||||
_M_stack.push(__r);
|
||||
return;
|
||||
}
|
||||
if (_M_match_token(_ScannerT::_S_token_closure1))
|
||||
else if (_M_match_token(_ScannerT::_S_token_closure1))
|
||||
{
|
||||
if (_M_stack.empty())
|
||||
__throw_regex_error(regex_constants::error_badrepeat);
|
||||
_StateSeqT __r(_M_state_store,
|
||||
_M_state_store.
|
||||
_M_insert_alt(_S_invalid_state_id,
|
||||
_M_stack.top()._M_front()));
|
||||
_M_stack.top()._M_append(__r);
|
||||
return;
|
||||
auto __e = _M_pop();
|
||||
__e._M_append(_M_nfa._M_insert_alt(_S_invalid_state_id, __e._M_start));
|
||||
_M_stack.push(__e);
|
||||
}
|
||||
if (_M_match_token(_ScannerT::_S_token_opt))
|
||||
else if (_M_match_token(_ScannerT::_S_token_opt))
|
||||
{
|
||||
if (_M_stack.empty())
|
||||
__throw_regex_error(regex_constants::error_badrepeat);
|
||||
_StateSeqT __r(_M_stack.top(), -1);
|
||||
_M_stack.pop();
|
||||
__throw_regex_error(regex_constants::error_badrepeat);
|
||||
auto __e = _M_pop();
|
||||
auto __end = _M_nfa._M_insert_dummy();
|
||||
_StateSeqT __r(_M_nfa, _M_nfa._M_insert_alt(_S_invalid_state_id,
|
||||
__e._M_start));
|
||||
__e._M_append(__end);
|
||||
__r._M_append(__end);
|
||||
_M_stack.push(__r);
|
||||
return;
|
||||
}
|
||||
if (_M_match_token(_ScannerT::_S_token_interval_begin))
|
||||
else if (_M_match_token(_ScannerT::_S_token_interval_begin))
|
||||
{
|
||||
if (_M_stack.empty())
|
||||
__throw_regex_error(regex_constants::error_badrepeat);
|
||||
if (!_M_match_token(_ScannerT::_S_token_dup_count))
|
||||
__throw_regex_error(regex_constants::error_badbrace);
|
||||
_StateSeqT __r(_M_stack.top());
|
||||
_StateSeqT __r(_M_pop());
|
||||
_StateSeqT __e(_M_nfa, _M_nfa._M_insert_dummy());
|
||||
int __min_rep = _M_cur_int_value(10);
|
||||
for (int __i = 1; __i < __min_rep; ++__i)
|
||||
_M_stack.top()._M_append(__r._M_clone());
|
||||
// {3
|
||||
for (int __i = 0; __i < __min_rep; ++__i)
|
||||
__e._M_append(__r._M_clone());
|
||||
if (_M_match_token(_ScannerT::_S_token_comma))
|
||||
if (_M_match_token(_ScannerT::_S_token_dup_count))
|
||||
if (_M_match_token(_ScannerT::_S_token_dup_count)) // {3,7}
|
||||
{
|
||||
int __n = _M_cur_int_value(10) - __min_rep;
|
||||
if (__n < 0)
|
||||
__throw_regex_error(regex_constants::error_badbrace);
|
||||
for (int __i = 0; __i < __n; ++__i)
|
||||
{
|
||||
_StateSeqT __r(_M_state_store,
|
||||
_M_state_store.
|
||||
_M_insert_alt(_S_invalid_state_id,
|
||||
_M_stack.top()._M_front()));
|
||||
_M_stack.top()._M_append(__r);
|
||||
}
|
||||
int __n = _M_cur_int_value(10) - __min_rep;
|
||||
if (__n < 0)
|
||||
__throw_regex_error(regex_constants::error_badbrace);
|
||||
auto __end = _M_nfa._M_insert_dummy();
|
||||
for (int __i = 0; __i < __n; ++__i)
|
||||
{
|
||||
auto __tmp = __r._M_clone();
|
||||
__e._M_append(_StateSeqT(_M_nfa, _M_nfa.
|
||||
_M_insert_alt(__tmp._M_start, __end), __tmp._M_end));
|
||||
}
|
||||
__e._M_append(__end);
|
||||
}
|
||||
else
|
||||
else // {3,}
|
||||
{
|
||||
_StateSeqT __r(_M_stack.top(), -1);
|
||||
__r._M_push_back(__r._M_front());
|
||||
_M_stack.pop();
|
||||
_M_stack.push(__r);
|
||||
auto __tmp = __r._M_clone();
|
||||
_StateSeqT __s(_M_nfa, _M_nfa._M_insert_alt(_S_invalid_state_id,
|
||||
__tmp._M_start));
|
||||
__tmp._M_append(__s);
|
||||
__e._M_append(__s);
|
||||
}
|
||||
if (!_M_match_token(_ScannerT::_S_token_interval_end))
|
||||
__throw_regex_error(regex_constants::error_brace);
|
||||
return;
|
||||
_M_stack.push(__e);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -203,46 +238,50 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
|
|||
_M_atom()
|
||||
{
|
||||
if (_M_match_token(_ScannerT::_S_token_anychar))
|
||||
_M_stack.push(_StateSeqT(_M_nfa,
|
||||
_M_nfa._M_insert_matcher
|
||||
(_AnyMatcher<_CharT, _TraitsT>(_M_traits))));
|
||||
else if (_M_try_char())
|
||||
_M_stack.push(_StateSeqT(_M_nfa,
|
||||
_M_nfa._M_insert_matcher
|
||||
(_CharMatcher<_CharT, _TraitsT>(_M_value[0],
|
||||
_M_traits,
|
||||
_M_flags))));
|
||||
else if (_M_match_token(_ScannerT::_S_token_backref))
|
||||
_M_stack.push(_StateSeqT(_M_nfa, _M_nfa.
|
||||
_M_insert_backref(_M_cur_int_value(10))));
|
||||
else if (_M_match_token(_ScannerT::_S_token_quoted_class))
|
||||
{
|
||||
_M_stack.push(_StateSeqT(_M_state_store,
|
||||
_M_state_store._M_insert_matcher
|
||||
(_AnyMatcher<_CharT, _TraitsT>(_M_traits))));
|
||||
return true;
|
||||
_GLIBCXX_DEBUG_ASSERT(_M_value.size() == 1);
|
||||
_BMatcherT __matcher(_M_ctype.is(_CtypeT::upper, _M_value[0]),
|
||||
_M_traits, _M_flags);
|
||||
__matcher._M_add_character_class(_M_value);
|
||||
_M_stack.push(_StateSeqT(_M_nfa,
|
||||
_M_nfa._M_insert_matcher(__matcher)));
|
||||
}
|
||||
if (_M_try_char())
|
||||
else if (_M_match_token(_ScannerT::_S_token_subexpr_no_group_begin))
|
||||
{
|
||||
_M_stack.push(_StateSeqT(_M_state_store,
|
||||
_M_state_store._M_insert_matcher
|
||||
(_CharMatcher<_CharT, _TraitsT>(_M_value[0],
|
||||
_M_traits,
|
||||
_M_flags))));
|
||||
return true;
|
||||
}
|
||||
if (_M_match_token(_ScannerT::_S_token_backref))
|
||||
{
|
||||
_M_stack.push(_StateSeqT(_M_state_store, _M_state_store.
|
||||
_M_insert_backref(_M_cur_int_value(10))));
|
||||
return true;
|
||||
}
|
||||
if (_M_match_token(_ScannerT::_S_token_subexpr_begin))
|
||||
{
|
||||
int __mark = _M_state_store._M_sub_count();
|
||||
_StateSeqT __r(_M_state_store,
|
||||
_M_state_store.
|
||||
_M_insert_subexpr_begin());
|
||||
_StateSeqT __r(_M_nfa, _M_nfa._M_insert_dummy());
|
||||
this->_M_disjunction();
|
||||
if (!_M_match_token(_ScannerT::_S_token_subexpr_end))
|
||||
__throw_regex_error(regex_constants::error_paren);
|
||||
if (!_M_stack.empty())
|
||||
{
|
||||
__r._M_append(_M_stack.top());
|
||||
_M_stack.pop();
|
||||
}
|
||||
__r._M_append(_M_state_store._M_insert_subexpr_end());
|
||||
__r._M_append(_M_pop());
|
||||
_M_stack.push(__r);
|
||||
return true;
|
||||
}
|
||||
return _M_bracket_expression();
|
||||
else if (_M_match_token(_ScannerT::_S_token_subexpr_begin))
|
||||
{
|
||||
int __mark = _M_nfa._M_sub_count();
|
||||
_StateSeqT __r(_M_nfa, _M_nfa._M_insert_subexpr_begin());
|
||||
this->_M_disjunction();
|
||||
if (!_M_match_token(_ScannerT::_S_token_subexpr_end))
|
||||
__throw_regex_error(regex_constants::error_paren);
|
||||
__r._M_append(_M_pop());
|
||||
__r._M_append(_M_nfa._M_insert_subexpr_end());
|
||||
_M_stack.push(__r);
|
||||
}
|
||||
else if (!_M_bracket_expression())
|
||||
return false;
|
||||
return true;
|
||||
}
|
||||
|
||||
template<typename _FwdIter, typename _CharT, typename _TraitsT>
|
||||
|
|
@ -255,51 +294,29 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
|
|||
if (!(__neg || _M_match_token(_ScannerT::_S_token_bracket_begin)))
|
||||
return false;
|
||||
_BMatcherT __matcher(__neg, _M_traits, _M_flags);
|
||||
_M_bracket_list(__matcher);
|
||||
_M_stack.push(_StateSeqT(_M_state_store,
|
||||
_M_state_store._M_insert_matcher(__matcher)));
|
||||
while (!_M_match_token(_ScannerT::_S_token_bracket_end))
|
||||
_M_expression_term(__matcher);
|
||||
_M_stack.push(_StateSeqT(_M_nfa, _M_nfa._M_insert_matcher(__matcher)));
|
||||
return true;
|
||||
}
|
||||
|
||||
template<typename _FwdIter, typename _CharT, typename _TraitsT>
|
||||
void
|
||||
_Compiler<_FwdIter, _CharT, _TraitsT>::
|
||||
_M_bracket_list(_BMatcherT& __matcher)
|
||||
{
|
||||
if (_M_match_token(_ScannerT::_S_token_bracket_end))
|
||||
return;
|
||||
_M_expression_term(__matcher);
|
||||
_M_bracket_list(__matcher);
|
||||
return;
|
||||
}
|
||||
|
||||
template<typename _FwdIter, typename _CharT, typename _TraitsT>
|
||||
void
|
||||
_Compiler<_FwdIter, _CharT, _TraitsT>::
|
||||
_M_expression_term(_BMatcherT& __matcher)
|
||||
{
|
||||
if (_M_match_token(_ScannerT::_S_token_collsymbol))
|
||||
{
|
||||
__matcher._M_add_collating_element(_M_value);
|
||||
return;
|
||||
}
|
||||
if (_M_match_token(_ScannerT::_S_token_equiv_class_name))
|
||||
{
|
||||
__matcher._M_add_equivalence_class(_M_value);
|
||||
return;
|
||||
}
|
||||
if (_M_match_token(_ScannerT::_S_token_char_class_name))
|
||||
{
|
||||
__matcher._M_add_character_class(_M_value);
|
||||
return;
|
||||
}
|
||||
if (_M_try_char()) // [a
|
||||
__matcher._M_add_collating_element(_M_value);
|
||||
else if (_M_match_token(_ScannerT::_S_token_equiv_class_name))
|
||||
__matcher._M_add_equivalence_class(_M_value);
|
||||
else if (_M_match_token(_ScannerT::_S_token_char_class_name))
|
||||
__matcher._M_add_character_class(_M_value);
|
||||
else if (_M_try_char()) // [a
|
||||
{
|
||||
auto __ch = _M_value[0];
|
||||
if (_M_try_char())
|
||||
{
|
||||
if (_M_value[0] == std::use_facet<std::ctype<_CharT>>
|
||||
(_M_traits.getloc()).widen('-')) // [a-
|
||||
if (_M_value[0] == '-') // [a-
|
||||
{
|
||||
if (_M_try_char()) // [a-z]
|
||||
{
|
||||
|
|
@ -315,9 +332,9 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
|
|||
__matcher._M_add_char(_M_value[0]);
|
||||
}
|
||||
__matcher._M_add_char(__ch);
|
||||
return;
|
||||
}
|
||||
__throw_regex_error(regex_constants::error_brack);
|
||||
else
|
||||
__throw_regex_error(regex_constants::error_brack);
|
||||
}
|
||||
|
||||
template<typename _FwdIter, typename _CharT, typename _TraitsT>
|
||||
|
|
@ -341,6 +358,20 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
|
|||
return __is_char;
|
||||
}
|
||||
|
||||
template<typename _FwdIter, typename _CharT, typename _TraitsT>
|
||||
bool
|
||||
_Compiler<_FwdIter, _CharT, _TraitsT>::
|
||||
_M_match_token(_TokenT token)
|
||||
{
|
||||
if (token == _M_scanner._M_get_token())
|
||||
{
|
||||
_M_value = _M_scanner._M_get_value();
|
||||
_M_scanner._M_advance();
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
template<typename _FwdIter, typename _CharT, typename _TraitsT>
|
||||
int
|
||||
_Compiler<_FwdIter, _CharT, _TraitsT>::
|
||||
|
|
|
|||
|
|
@ -86,6 +86,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
|
|||
_S_token_closure1,
|
||||
_S_token_line_begin,
|
||||
_S_token_line_end,
|
||||
_S_token_word_bound,
|
||||
_S_token_neg_word_bound,
|
||||
_S_token_comma,
|
||||
_S_token_dup_count,
|
||||
_S_token_eof,
|
||||
|
|
|
|||
|
|
@ -28,7 +28,7 @@
|
|||
* Do not attempt to use it directly. @headername{regex}
|
||||
*/
|
||||
|
||||
// TODO make comments doxygen format
|
||||
// TODO make comments doxygen format.
|
||||
|
||||
// N3376 specified 6 regex styles: ECMAScript, basic, extended, grep, egrep
|
||||
// and awk
|
||||
|
|
@ -370,10 +370,12 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
|
|||
_M_token = _S_token_ord_char;
|
||||
_M_value.assign(1, _M_escape_map.at(__c));
|
||||
}
|
||||
else if (__c == 'b')
|
||||
_M_token = _S_token_word_bound;
|
||||
else if (__c == 'B')
|
||||
_M_token = _S_token_neg_word_bound;
|
||||
// N3376 28.13
|
||||
else if (__c == 'b'
|
||||
|| __c == 'B'
|
||||
|| __c == 'd'
|
||||
else if (__c == 'd'
|
||||
|| __c == 'D'
|
||||
|| __c == 's'
|
||||
|| __c == 'S'
|
||||
|
|
|
|||
|
|
@ -1,5 +1,4 @@
|
|||
// { dg-options "-std=c++0x" }
|
||||
// { dg-do run { xfail *-*-* } }
|
||||
|
||||
//
|
||||
// 2010-06-16 Stephen M. Webb <stephen.webb@bregmasoft.ca>
|
||||
|
|
|
|||
|
|
@ -0,0 +1,52 @@
|
|||
// { dg-options "-std=gnu++11" }
|
||||
|
||||
//
|
||||
// 2013-09-05 Tim Shen <timshen91@gmail.com>
|
||||
//
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
//
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
// 28.11.2 regex_match
|
||||
// Tests ECMAScript \d \D \s \S \w \W
|
||||
|
||||
#include <regex>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
using namespace std;
|
||||
|
||||
void
|
||||
test01()
|
||||
{
|
||||
bool test __attribute__((unused)) = true;
|
||||
|
||||
VERIFY(regex_match("01", regex("\\d*")));
|
||||
VERIFY(regex_match("asdfjkl", regex("\\D*")));
|
||||
VERIFY(!regex_match("asdfjkl0", regex("\\D*")));
|
||||
VERIFY(regex_match("\r\t\v\f ", regex("\\s*")));
|
||||
VERIFY(regex_match("asdfjkl", regex("\\S*")));
|
||||
VERIFY(!regex_match("asdfjkl\r", regex("\\S*")));
|
||||
VERIFY(regex_match("_az", regex("\\w*")));
|
||||
VERIFY(regex_match("!@#$%", regex("\\W*")));
|
||||
VERIFY(!regex_match("_01234", regex("\\W*")));
|
||||
}
|
||||
|
||||
int
|
||||
main()
|
||||
{
|
||||
test01();
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -1,5 +1,4 @@
|
|||
// { dg-options "-std=c++0x" }
|
||||
// { dg-do run { xfail *-*-* } }
|
||||
|
||||
//
|
||||
// 2010-06-21 Stephen M. Webb <stephen.webb@bregmasoft.ca>
|
||||
|
|
@ -32,27 +31,31 @@ test01()
|
|||
{
|
||||
bool test __attribute__((unused)) = true;
|
||||
|
||||
std::regex re("(a+)", std::regex::extended);
|
||||
const char target[] = "aa";
|
||||
std::cmatch m;
|
||||
std::regex re("(a+)", std::regex::extended);
|
||||
const char target[] = "aa";
|
||||
std::cmatch m;
|
||||
|
||||
VERIFY( std::regex_match(target, m, re) );
|
||||
VERIFY( std::regex_match(target, m, re) );
|
||||
|
||||
VERIFY( re.mark_count() == 1 );
|
||||
VERIFY( m.size() == re.mark_count()+1 );
|
||||
VERIFY( m.empty() == false );
|
||||
VERIFY( m.prefix().first == target );
|
||||
VERIFY( m.prefix().second == target );
|
||||
VERIFY( m.prefix().matched == false );
|
||||
VERIFY( m.suffix().first == target+sizeof(target) );
|
||||
VERIFY( m.suffix().second == target+sizeof(target) );
|
||||
VERIFY( m.suffix().matched == false );
|
||||
VERIFY( m[0].first == target );
|
||||
VERIFY( m[0].second == target+sizeof(target) );
|
||||
VERIFY( m[0].matched == true );
|
||||
VERIFY( m[1].first == target );
|
||||
VERIFY( m[1].second == target+sizeof(target) );
|
||||
VERIFY( m[1].matched == true );
|
||||
VERIFY( re.mark_count() == 1 );
|
||||
VERIFY( m.size() == re.mark_count()+1 );
|
||||
VERIFY( m.empty() == false );
|
||||
VERIFY( m.prefix().first == target );
|
||||
VERIFY( m.prefix().second == target );
|
||||
VERIFY( m.prefix().matched == false );
|
||||
VERIFY( m.suffix().first == target+sizeof(target)-1 );
|
||||
VERIFY( m.suffix().second == target+sizeof(target)-1 );
|
||||
VERIFY( m.suffix().matched == false );
|
||||
VERIFY( m[0].first == target );
|
||||
VERIFY( m[0].second == target+sizeof(target)-1 );
|
||||
VERIFY( m[0].matched == true );
|
||||
VERIFY( m[1].first == target );
|
||||
VERIFY( m[1].second == target+sizeof(target)-1 );
|
||||
VERIFY( m[1].matched == true );
|
||||
|
||||
VERIFY(!std::regex_match("", std::regex("a+", std::regex::extended)));
|
||||
VERIFY(std::regex_match("a", std::regex("a+", std::regex::extended)));
|
||||
VERIFY(std::regex_match("aa", std::regex("a+", std::regex::extended)));
|
||||
}
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,4 @@
|
|||
// { dg-options "-std=c++0x" }
|
||||
// { dg-do run { xfail *-*-* } }
|
||||
|
||||
//
|
||||
// 2010-06-21 Stephen M. Webb <stephen.webb@bregmasoft.ca>
|
||||
|
|
@ -32,27 +31,31 @@ test01()
|
|||
{
|
||||
bool test __attribute__((unused)) = true;
|
||||
|
||||
std::regex re("(aa?)", std::regex::extended);
|
||||
char target[] = "a";
|
||||
std::cmatch m;
|
||||
std::regex re("(aa?)", std::regex::extended);
|
||||
char target[] = "a";
|
||||
std::cmatch m;
|
||||
|
||||
VERIFY( std::regex_match(target, m, re) );
|
||||
VERIFY( std::regex_match(target, m, re) );
|
||||
|
||||
VERIFY( re.mark_count() == 1 );
|
||||
VERIFY( m.size() == re.mark_count()+1 );
|
||||
VERIFY( m.empty() == false );
|
||||
VERIFY( m.prefix().first == target );
|
||||
VERIFY( m.prefix().second == target );
|
||||
VERIFY( m.prefix().matched == false );
|
||||
VERIFY( m.suffix().first == target+sizeof(target) );
|
||||
VERIFY( m.suffix().second == target+sizeof(target) );
|
||||
VERIFY( m.suffix().matched == false );
|
||||
VERIFY( m[0].first == target );
|
||||
VERIFY( m[0].second == target+sizeof(target) );
|
||||
VERIFY( m[0].matched == true );
|
||||
VERIFY( m[1].first == target );
|
||||
VERIFY( m[1].second == target+sizeof(target) );
|
||||
VERIFY( m[1].matched == true );
|
||||
VERIFY( re.mark_count() == 1 );
|
||||
VERIFY( m.size() == re.mark_count()+1 );
|
||||
VERIFY( m.empty() == false );
|
||||
VERIFY( m.prefix().first == target );
|
||||
VERIFY( m.prefix().second == target );
|
||||
VERIFY( m.prefix().matched == false );
|
||||
VERIFY( m.suffix().first == target+sizeof(target)-1 );
|
||||
VERIFY( m.suffix().second == target+sizeof(target)-1 );
|
||||
VERIFY( m.suffix().matched == false );
|
||||
VERIFY( m[0].first == target );
|
||||
VERIFY( m[0].second == target+sizeof(target)-1 );
|
||||
VERIFY( m[0].matched == true );
|
||||
VERIFY( m[1].first == target );
|
||||
VERIFY( m[1].second == target+sizeof(target)-1 );
|
||||
VERIFY( m[1].matched == true );
|
||||
|
||||
VERIFY(std::regex_match("", std::regex("a?", std::regex::extended)));
|
||||
VERIFY(std::regex_match("a", std::regex("a?", std::regex::extended)));
|
||||
VERIFY(!std::regex_match("aa", std::regex("a?", std::regex::extended)));
|
||||
}
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,68 @@
|
|||
// { dg-options "-std=gnu++11" }
|
||||
|
||||
//
|
||||
// 2013-09-05 Tim Shen <timshen91@gmail.com>
|
||||
//
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
//
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
// 28.11.2 regex_match
|
||||
// Tests Extended interval range.
|
||||
|
||||
#include <regex>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
using namespace std;
|
||||
|
||||
void
|
||||
test01()
|
||||
{
|
||||
bool test __attribute__((unused)) = true;
|
||||
|
||||
regex re;
|
||||
re.assign("(ab){3}", std::regex::extended);
|
||||
VERIFY(!regex_match("abab", re));
|
||||
VERIFY(regex_match("ababab", re));
|
||||
VERIFY(!regex_match("abababab", re));
|
||||
re.assign("(ab){3,}", std::regex::extended);
|
||||
VERIFY(!regex_match("abab", re));
|
||||
VERIFY(regex_match("ababab", re));
|
||||
VERIFY(regex_match("abababab", re));
|
||||
VERIFY(regex_match("ababababab", re));
|
||||
re.assign("(ab){0,3}", std::regex::extended);
|
||||
VERIFY(regex_match("", re));
|
||||
VERIFY(regex_match("ab", re));
|
||||
VERIFY(regex_match("abab", re));
|
||||
VERIFY(regex_match("ababab", re));
|
||||
VERIFY(!regex_match("abababab", re));
|
||||
re.assign("(a|b){0,2}", std::regex::extended);
|
||||
VERIFY(regex_match("", re));
|
||||
VERIFY(regex_match("a", re));
|
||||
VERIFY(regex_match("b", re));
|
||||
VERIFY(regex_match("aa", re));
|
||||
VERIFY(regex_match("ab", re));
|
||||
VERIFY(regex_match("ba", re));
|
||||
VERIFY(regex_match("bb", re));
|
||||
VERIFY(!regex_match("aaa", re));
|
||||
}
|
||||
|
||||
int
|
||||
main()
|
||||
{
|
||||
test01();
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -31,23 +31,23 @@ test01()
|
|||
{
|
||||
bool test __attribute__((unused)) = true;
|
||||
|
||||
std::regex re("a{0,3}", std::regex::extended);
|
||||
std::string target("aa");
|
||||
std::smatch m;
|
||||
std::regex re("a{0,3}", std::regex::extended);
|
||||
std::string target("aa");
|
||||
std::smatch m;
|
||||
|
||||
VERIFY( std::regex_match(target, m, re) );
|
||||
VERIFY( std::regex_match(target, m, re) );
|
||||
|
||||
VERIFY( m.size() == re.mark_count()+1 );
|
||||
VERIFY( m.empty() == false );
|
||||
VERIFY( m.prefix().first == target.begin() );
|
||||
VERIFY( m.prefix().second == target.begin() );
|
||||
VERIFY( m.prefix().matched == false );
|
||||
VERIFY( m.suffix().first == target.end() );
|
||||
VERIFY( m.suffix().second == target.end() );
|
||||
VERIFY( m.suffix().matched == false );
|
||||
VERIFY( m[0].first == target.begin() );
|
||||
VERIFY( m[0].second == target.end() );
|
||||
VERIFY( m[0].matched == true );
|
||||
VERIFY( m.size() == re.mark_count()+1 );
|
||||
VERIFY( m.empty() == false );
|
||||
VERIFY( m.prefix().first == target.begin() );
|
||||
VERIFY( m.prefix().second == target.begin() );
|
||||
VERIFY( m.prefix().matched == false );
|
||||
VERIFY( m.suffix().first == target.end() );
|
||||
VERIFY( m.suffix().second == target.end() );
|
||||
VERIFY( m.suffix().matched == false );
|
||||
VERIFY( m[0].first == target.begin() );
|
||||
VERIFY( m[0].second == target.end() );
|
||||
VERIFY( m[0].matched == true );
|
||||
}
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,4 @@
|
|||
// { dg-options "-std=c++0x" }
|
||||
// { dg-do run { xfail *-*-* } }
|
||||
|
||||
//
|
||||
// 2010-06-16 Stephen M. Webb <stephen.webb@bregmasoft.ca>
|
||||
|
|
|
|||
|
|
@ -0,0 +1,59 @@
|
|||
// { dg-options "-std=gnu++11" }
|
||||
// { dg-require-namedlocale "en_US.UTF-8" }
|
||||
// { dg-do run { xfail *-*-* } }
|
||||
|
||||
//
|
||||
// 2013-09-05 Tim Shen <timshen91@gmail.com>
|
||||
//
|
||||
// Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
//
|
||||
// This file is part of the GNU ISO C++ Library. This library is free
|
||||
// software; you can redistribute it and/or modify it under the
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
//
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
// 28.12.1 regex_iterator
|
||||
// Tests regex_iterator class
|
||||
|
||||
#include <regex>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
void
|
||||
test01()
|
||||
{
|
||||
bool test __attribute__((unused)) = true;
|
||||
|
||||
std::setlocale(LC_ALL, "en_US.UTF-8");
|
||||
|
||||
std::wstring str2 = L"ä\u2009Ä\u2009ö\u2009Ö\u2009ü\u2009Ü";
|
||||
|
||||
std::wregex re2;
|
||||
re2.imbue(std::locale("en_US.UTF-8"));
|
||||
|
||||
re2.assign(L"([[:lower:]]{0,1}[[:space:]]{0,1}[[:upper:]]{0,1})");
|
||||
|
||||
std::wsregex_iterator p(str2.begin(), str2.end(), re2);
|
||||
auto a = p;
|
||||
++p;
|
||||
VERIFY(a != p);
|
||||
//for (std::wsregex_iterator p(str2.begin(), str2.end(), re2);
|
||||
// p != std::wsregex_iterator{}; ++p)
|
||||
// std::wcout << (*p)[1] << std::endl;
|
||||
}
|
||||
|
||||
int
|
||||
main()
|
||||
{
|
||||
test01();
|
||||
return 0;
|
||||
}
|
||||
Loading…
Reference in New Issue