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Code Issues Releases Activity

* VERM grammar seems to be complete

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This commit is contained in:
mateuszb 2011-04-02 18:06:52 +00:00
parent ccecc6637f
commit 21eaec883c
1 changed files with 19 additions and 12 deletions
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31
lib/ERMParser.cpp
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@ -285,9 +285,11 @@ namespace ERM
typedef boost::variant<Tcommand, std::string, qi::unused_type> TERMline;
typedef std::string TVModifier; //'`', ',', ',@', '#''
struct TSymbol
{
boost::optional<std::string> symModifier; //'`', ',', ',@', '#''
boost::optional<TVModifier> symModifier;
std::string sym;
};
@ -298,7 +300,7 @@ namespace ERM
//v-expression
struct TVExp
{
//char dummy;
boost::optional<TVModifier> modifier;
std::vector<TVOption> children;
};
@ -411,7 +413,7 @@ namespace ERM
}
struct BodyVarpPrinterVisitor : boost::static_visitor<>
{//<TVarExpNotMacro, TQMacroUsage>
{
void operator()(TVarExpNotMacro const& cmp) const
{
if(cmp.questionMark.is_initialized())
@ -432,7 +434,6 @@ namespace ERM
struct BodyOptionItemPrinterVisitor : boost::static_visitor<>
{
//, , , , , , , , qi::unused_type
void operator()(TVarConcatString const& cmp) const
{
tlog2 << "+concat\"";
@ -606,6 +607,10 @@ namespace ERM
void printTVExp(const TVExp & exp)
{
if(exp.modifier.is_initialized())
{
tlog2 << exp.modifier.get();
}
tlog2 << "[ ";
BOOST_FOREACH(TVOption opt, exp.children)
{
@ -760,13 +765,13 @@ BOOST_FUSION_ADAPT_STRUCT(
BOOST_FUSION_ADAPT_STRUCT(
ERM::TVExp,
//(char, dummy)
(boost::optional<ERM::TVModifier>, modifier)
(std::vector<ERM::TVOption>, children)
)
BOOST_FUSION_ADAPT_STRUCT(
ERM::TSymbol,
(boost::optional<std::string>, symModifier)
(boost::optional<ERM::TVModifier>, symModifier)
(std::string, sym)
)
@ -786,7 +791,7 @@ namespace ERM
iexp %= varExp | qi::int_;
varp %=/* qi::lit("?") >> */(varExpNotMacro | qMacroUsage);
comment %= *qi::char_;
commentLine %= (~qi::char_("![") >> comment | (qi::char_('!') >> (~qi::char_("?!$#")) >> comment ));
commentLine %= (~qi::char_("!@") >> comment | (qi::char_('!') >> (~qi::char_("?!$#")) >> comment ));
cmdName %= qi::lexeme[qi::repeat(2)[qi::char_]];
arithmeticOp %= iexp >> qi::char_ >> iexp;
//identifier is usually a vector of i-expressions but VR receiver performs arithmetic operations on it
@ -826,13 +831,14 @@ namespace ERM
command | commentLine | spirit::eps
);
vsym %= -(qi::string("`") | qi::string(",") | qi::string("#,") | qi::string(",@") | qi::string("#'")) >> +qi::char_("+*/$%&_=<>~a-zA-Z0-9-");
vmod %= qi::string("`") | qi::string(",") | qi::string(",@") | qi::string("#'");
vsym %= -vmod >> qi::lexeme[+qi::char_("+*/$%&_=<>~a-zA-Z0-9-")];
vopt %= vsym | (qi::lit("!") >> qi::char_ >> qi::lit("!")) | qi::double_ | qi::int_ | command /*| vexp*/ | string;
vexp %= qi::lit("[") >> *(vopt) >> qi::lit("]");
qi::real_parser<double, qi::strict_real_policies<double> > strict_double;
vopt %= qi::lexeme[(qi::lit("!") >> qi::char_ >> qi::lit("!"))] | qi::lexeme[strict_double] | qi::lexeme[qi::int_] | command | vexp | string | vsym;
vexp %= -vmod >> qi::lit("[") >> *(vopt) >> qi::lit("]");
vline %= (vexp | rline ) > spirit::eoi;
vline %= (( qi::lit("@") >>vexp) | rline ) > spirit::eoi;
//error handling
@ -902,6 +908,7 @@ namespace ERM
qi::rule<Iterator, Tcommand(), ascii::space_type> command;
qi::rule<Iterator, TERMline(), ascii::space_type> rline;
qi::rule<Iterator, TSymbol(), ascii::space_type> vsym;
qi::rule<Iterator, TVModifier(), ascii::space_type> vmod;
qi::rule<Iterator, TVOption(), ascii::space_type> vopt;
qi::rule<Iterator, TVExp(), ascii::space_type> vexp;
qi::rule<Iterator, TLine(), ascii::space_type> vline;