regex_constants.h: Change syntax_option_type to enum type.
2013-08-09 Tim Shen <timshen91@gmail.com> * include/bits/regex_constants.h: Change syntax_option_type to enum type. From-SVN: r201621
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Tim Shen
Tim Shen
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@ -1,3 +1,8 @@
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2013-08-09 Tim Shen <timshen91@gmail.com>
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* include/bits/regex_constants.h: Change syntax_option_type to enum
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type.
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2013-08-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
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* include/bits/regex.h: Replace _A, _B, _C, _R by _Ap, _Bp,
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@ -77,87 +77,125 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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* elements @c ECMAScript, @c basic, @c extended, @c awk, @c grep, @c egrep
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* %set.
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*/
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typedef unsigned int syntax_option_type;
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enum syntax_option_type
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{
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/**
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* Specifies that the matching of regular expressions against a character
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* sequence shall be performed without regard to case.
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*/
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icase = 1 << _S_icase,
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/**
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* Specifies that the matching of regular expressions against a character
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* sequence shall be performed without regard to case.
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*/
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constexpr syntax_option_type icase = 1 << _S_icase;
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/**
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* Specifies that when a regular expression is matched against a character
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* container sequence, no sub-expression matches are to be stored in the
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* supplied match_results structure.
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*/
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nosubs = 1 << _S_nosubs,
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/**
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* Specifies that when a regular expression is matched against a character
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* container sequence, no sub-expression matches are to be stored in the
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* supplied match_results structure.
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*/
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constexpr syntax_option_type nosubs = 1 << _S_nosubs;
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/**
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* Specifies that the regular expression engine should pay more attention to
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* the speed with which regular expressions are matched, and less to the
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* speed with which regular expression objects are constructed. Otherwise
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* it has no detectable effect on the program output.
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*/
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optimize = 1 << _S_optimize,
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/**
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* Specifies that the regular expression engine should pay more attention to
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* the speed with which regular expressions are matched, and less to the
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* speed with which regular expression objects are constructed. Otherwise
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* it has no detectable effect on the program output.
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*/
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constexpr syntax_option_type optimize = 1 << _S_optimize;
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/**
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* Specifies that character ranges of the form [a-b] should be locale
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* sensitive.
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*/
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collate = 1 << _S_collate,
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/**
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* Specifies that character ranges of the form [a-b] should be locale
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* sensitive.
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*/
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constexpr syntax_option_type collate = 1 << _S_collate;
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/**
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* Specifies that the grammar recognized by the regular expression engine is
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* that used by ECMAScript in ECMA-262 [Ecma International, ECMAScript
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* Language Specification, Standard Ecma-262, third edition, 1999], as
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* modified in section [28.13]. This grammar is similar to that defined
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* in the PERL scripting language but extended with elements found in the
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* POSIX regular expression grammar.
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*/
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ECMAScript = 1 << _S_ECMAScript,
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/**
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* Specifies that the grammar recognized by the regular expression engine is
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* that used by ECMAScript in ECMA-262 [Ecma International, ECMAScript
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* Language Specification, Standard Ecma-262, third edition, 1999], as
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* modified in section [28.13]. This grammar is similar to that defined
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* in the PERL scripting language but extended with elements found in the
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* POSIX regular expression grammar.
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*/
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constexpr syntax_option_type ECMAScript = 1 << _S_ECMAScript;
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/**
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* Specifies that the grammar recognized by the regular expression engine is
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* that used by POSIX basic regular expressions in IEEE Std 1003.1-2001,
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* Portable Operating System Interface (POSIX), Base Definitions and
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* Headers, Section 9, Regular Expressions [IEEE, Information Technology --
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* Portable Operating System Interface (POSIX), IEEE Standard 1003.1-2001].
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*/
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basic = 1 << _S_basic,
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/**
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* Specifies that the grammar recognized by the regular expression engine is
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* that used by POSIX basic regular expressions in IEEE Std 1003.1-2001,
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* Portable Operating System Interface (POSIX), Base Definitions and
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* Headers, Section 9, Regular Expressions [IEEE, Information Technology --
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* Portable Operating System Interface (POSIX), IEEE Standard 1003.1-2001].
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*/
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constexpr syntax_option_type basic = 1 << _S_basic;
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/**
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* Specifies that the grammar recognized by the regular expression engine is
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* that used by POSIX extended regular expressions in IEEE Std 1003.1-2001,
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* Portable Operating System Interface (POSIX), Base Definitions and Headers,
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* Section 9, Regular Expressions.
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*/
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extended = 1 << _S_extended,
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/**
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* Specifies that the grammar recognized by the regular expression engine is
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* that used by POSIX extended regular expressions in IEEE Std 1003.1-2001,
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* Portable Operating System Interface (POSIX), Base Definitions and Headers,
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* Section 9, Regular Expressions.
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*/
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constexpr syntax_option_type extended = 1 << _S_extended;
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/**
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* Specifies that the grammar recognized by the regular expression engine is
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* that used by POSIX utility awk in IEEE Std 1003.1-2001. This option is
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* identical to syntax_option_type extended, except that C-style escape
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* sequences are supported. These sequences are:
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* \\\\, \\a, \\b, \\f, \\n, \\r, \\t , \\v, \\&apos,, &apos,,
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* and \\ddd (where ddd is one, two, or three octal digits).
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*/
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awk = 1 << _S_awk,
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/**
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* Specifies that the grammar recognized by the regular expression engine is
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* that used by POSIX utility awk in IEEE Std 1003.1-2001. This option is
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* identical to syntax_option_type extended, except that C-style escape
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* sequences are supported. These sequences are:
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* \\\\, \\a, \\b, \\f, \\n, \\r, \\t , \\v, \\', ',
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* and \\ddd (where ddd is one, two, or three octal digits).
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*/
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constexpr syntax_option_type awk = 1 << _S_awk;
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/**
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* Specifies that the grammar recognized by the regular expression engine is
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* that used by POSIX utility grep in IEEE Std 1003.1-2001. This option is
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* identical to syntax_option_type basic, except that newlines are treated
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* as whitespace.
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*/
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grep = 1 << _S_grep,
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/**
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* Specifies that the grammar recognized by the regular expression engine is
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* that used by POSIX utility grep in IEEE Std 1003.1-2001. This option is
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* identical to syntax_option_type basic, except that newlines are treated
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* as whitespace.
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*/
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constexpr syntax_option_type grep = 1 << _S_grep;
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/**
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* Specifies that the grammar recognized by the regular expression engine is
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* that used by POSIX utility grep when given the -E option in
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* IEEE Std 1003.1-2001. This option is identical to syntax_option_type
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* extended, except that newlines are treated as whitespace.
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*/
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egrep = 1 << _S_egrep,
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};
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/**
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* Specifies that the grammar recognized by the regular expression engine is
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* that used by POSIX utility grep when given the -E option in
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* IEEE Std 1003.1-2001. This option is identical to syntax_option_type
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* extended, except that newlines are treated as whitespace.
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*/
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constexpr syntax_option_type egrep = 1 << _S_egrep;
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constexpr inline syntax_option_type
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operator&(syntax_option_type __a, syntax_option_type __b)
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{
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return (syntax_option_type)(static_cast<unsigned int>(__a)
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& static_cast<unsigned int>(__b));
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}
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constexpr inline syntax_option_type
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operator|(syntax_option_type __a, syntax_option_type __b)
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{
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return (syntax_option_type)(static_cast<unsigned int>(__a)
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| static_cast<unsigned int>(__b));
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}
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constexpr inline syntax_option_type
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operator^(syntax_option_type __a, syntax_option_type __b)
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{
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return (syntax_option_type)(static_cast<unsigned int>(__a)
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^ static_cast<unsigned int>(__b));
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}
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constexpr inline syntax_option_type
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operator~(syntax_option_type __a)
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{ return (syntax_option_type)(~static_cast<unsigned int>(__a)); }
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inline syntax_option_type&
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operator&=(syntax_option_type& __a, syntax_option_type __b)
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{ return __a = __a & __b; }
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inline syntax_option_type&
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operator|=(syntax_option_type& __a, syntax_option_type __b)
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{ return __a = __a | __b; }
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inline syntax_option_type&
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operator^=(syntax_option_type& __a, syntax_option_type __b)
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{ return __a = __a ^ __b; }
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//@}
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