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* parsing multiple consecutive modifiers in VERM

Browse Source 
* minor improvements
This commit is contained in:
mateuszb 2011-04-03 13:15:07 +00:00
parent b5a546349b
commit 3fc570a8e9
2 changed files with 22 additions and 29 deletions
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49
lib/ERMParser.cpp
View File

@ -79,15 +79,15 @@ void ERMParser::parseFile()
parseLine(lineBuf);
}
break;
case ERMParser::UNFINISHED_STRING:
case ERMParser::UNFINISHED:
{
if(!inString)
wholeLine = "";
wholeLine = " ";
inString = true;
wholeLine += lineBuf;
}
break;
case ERMParser::END_OF_STRING:
case ERMParser::END_OF:
{
inString = false;
wholeLine += lineBuf;
@ -289,7 +289,7 @@ namespace ERM
struct TSymbol
{
boost::optional<TVModifier> symModifier;
std::vector<TVModifier> symModifier;
std::string sym;
};
@ -300,7 +300,7 @@ namespace ERM
//v-expression
struct TVExp
{
boost::optional<TVModifier> modifier;
std::vector<TVModifier> modifier;
std::vector<TVOption> children;
};
@ -577,9 +577,9 @@ namespace ERM
}
void operator()(TSymbol const& cmd) const
{
if(cmd.symModifier.is_initialized())
BOOST_FOREACH(TVModifier mod, cmd.symModifier)
{
tlog2 << cmd.symModifier.get();
tlog2 << mod << " ";
}
tlog2 << cmd.sym;
}
@ -607,9 +607,9 @@ namespace ERM
void printTVExp(const TVExp & exp)
{
if(exp.modifier.is_initialized())
BOOST_FOREACH(TVModifier mod, exp.modifier)
{
tlog2 << exp.modifier.get();
tlog2 << mod << " ";
}
tlog2 << "[ ";
BOOST_FOREACH(TVOption opt, exp.children)
@ -635,6 +635,7 @@ namespace ERM
void printAST(const TLine & ast)
{
boost::apply_visitor(TLPrinterVisitor(), ast);
tlog2 << std::endl;
}
}
@ -765,13 +766,13 @@ BOOST_FUSION_ADAPT_STRUCT(
BOOST_FUSION_ADAPT_STRUCT(
ERM::TVExp,
(boost::optional<ERM::TVModifier>, modifier)
(std::vector<ERM::TVModifier>, modifier)
(std::vector<ERM::TVOption>, children)
)
BOOST_FUSION_ADAPT_STRUCT(
ERM::TSymbol,
(boost::optional<ERM::TVModifier>, symModifier)
(std::vector<ERM::TVModifier>, symModifier)
(std::string, sym)
)
@ -791,7 +792,7 @@ 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
@ -831,14 +832,14 @@ namespace ERM
command | commentLine | spirit::eps
);
vmod %= qi::string("`") | qi::string(",") | qi::string(",@") | qi::string("#'");
vsym %= -vmod >> qi::lexeme[+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-")];
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("]");
vexp %= *vmod >> qi::lit("[") >> *(vopt) >> qi::lit("]");
vline %= (( qi::lit("@") >>vexp) | rline ) > spirit::eoi;
vline %= (( qi::lit("!") >>vexp) | rline ) > spirit::eoi;
//error handling
@ -941,28 +942,20 @@ ERMParser::ELineType ERMParser::classifyLine( const std::string & line, bool inS
{
ERMParser::ELineType ret;
if(line[0] == '!')
{
{
if(countHatsBeforeSemicolon(line) % 2 == 1)
{
ret = ERMParser::UNFINISHED_STRING;
}
ret = ERMParser::UNFINISHED;
else
{
ret = ERMParser::COMMAND_FULL;
}
}
else
{
if(inString)
{
if(countHatsBeforeSemicolon(line) % 2 == 1)
{
ret = ERMParser::END_OF_STRING;
}
ret = ERMParser::END_OF;
else
{
ret = ERMParser::UNFINISHED_STRING;
}
ret = ERMParser::UNFINISHED;
}
else
{

2
lib/ERMParser.h
View File

@ -8,7 +8,7 @@ private:
int parsedLine;
void repairEncoding(char * str, int len) const; //removes nonstandard ascii characters from string
void repairEncoding(std::string & str) const; //removes nonstandard ascii characters from string
enum ELineType{COMMAND_FULL, COMMENT, UNFINISHED_STRING, END_OF_STRING};
enum ELineType{COMMAND_FULL, COMMENT, UNFINISHED, END_OF};
int countHatsBeforeSemicolon(const std::string & line) const;
ELineType classifyLine(const std::string & line, bool inString) const;
void parseLine(const std::string & line);