void TdfParser::LoadBuffer( char const* buf, std::size_t size){
this->filename = "buffer";
std::list<std::string> junk_data;
tdf_grammar grammar( &root_section, &junk_data );
std::string message;
boost::spirit::position_iterator2<char const*> error_it( buf, buf + size, filename );
boost::spirit::parse_info<char const*> info;
try {
info = parse(
buf
, buf + size
, grammar
, space_p
| comment_p("/*", "*/") // rule for C-comments
| comment_p("//")
) ;
}catch( boost::spirit::parser_error<tdf_grammar::Errors, char *> & e ) {
// thrown by assertion parsers in tdf_grammar
switch(e.descriptor) {
case tdf_grammar::semicolon_expected: message = "semicolon expected"; break;
case tdf_grammar::equals_sign_expected: message = "equals sign in name value pair expected"; break;
case tdf_grammar::square_bracket_expected: message = "square bracket to close section name expected"; break;
case tdf_grammar::brace_expected: message = "brace or further name value pairs expected"; break;
};
for( size_t i = 0;i != size; ++i,++error_it );
}
for(list<string>::const_iterator it = junk_data.begin(), e = junk_data.end(); it !=e ; ++it ){
std::string temp = boost::trim_copy( *it );
if( ! temp.empty() ) {
G->L.eprint("Junk in "+ filename + " :" + temp);
}
}
if(!message.empty())
G->L.eprint(message + " in " +filename);
//throw parse_error( , error_it.get_currentline(), error_it.get_position().line, error_it.get_position().column, filename );
if(!info.full){
boost::spirit::position_iterator2<char const*> error_it( buf, buf + size, filename );
for( size_t i = 0; i != size; ++i,++error_it );
G->L.eprint("error in " +filename);
// throw parse_error( error_it.get_currentline(), error_it.get_position().line, error_it.get_position().column, filename );
}
}
std::vector<ParsedStateMachinePtr> StateGraphParser::parse( iter_t& begin, iter_t end )
{
//skip_parser_t skip_parser = SKIP_PARSER;
//iter_pol_t iter_policy( skip_parser );
//#define SKIP_PARSER
skip_parser_t skip_parser = comment_p( "#" ) | comment_p( "//" ) | comment_p( "/*", "*/" ) | (space_p - eol_p) | commonparser->skipper;
iter_pol_t iter_policy( skip_parser );
scanner_pol_t policies( iter_policy );
scanner_t scanner( begin, end, policies );
// reset the condition-transition priority.
rank = 0;
this->storeOffset();
try {
if ( ! production.parse( scanner ) )
{
// on error, we clear all remaining data, cause we can't
// guarantee consistency...
clear();
throw file_parse_exception(
new parse_exception_syntactic_error( "Syntax error" ),
mpositer.get_position().file, mpositer.get_position().line,
mpositer.get_position().column );
}
std::vector<ParsedStateMachinePtr> ret = values( rootmachines );
rootmachines.clear();
return ret;
}
catch( const parser_error<std::string, iter_t>& e )
{
// on error, we clear all remaining data, cause we can't
// guarantee consistency...
clear();
throw file_parse_exception(
new parse_exception_syntactic_error( e.descriptor ),
mpositer.get_position().file, mpositer.get_position().line,
mpositer.get_position().column );
}
catch( const parser_error<GraphSyntaxErrors, iter_t>& )
{
// on error, we clear all remaining data, cause we can't
// guarantee consistency...
clear();
throw file_parse_exception(
new parse_exception_syntactic_error( "Expected one of: entry, handle, exit, transitions" ),
mpositer.get_position().file, mpositer.get_position().line,
mpositer.get_position().column );
}
catch( const parse_exception& e )
{
// on error, we clear all remaining data, cause we can't
// guarantee consistency...
clear();
throw file_parse_exception(
e.copy(), mpositer.get_position().file,
mpositer.get_position().line, mpositer.get_position().column );
}
// catch( ... ) {
// assert( false );
// }
}
void TdfParser::parse_buffer(char const* buf, size_t size) {
std::list<std::string> junk_data;
tdf_grammar grammar(&root_section, &junk_data);
parse_info<char const*> info;
std::string message;
typedef position_iterator2<char const*> iterator_t;
iterator_t error_it(buf, buf + size);
try {
info = parse(
buf
, buf + size
, grammar
, space_p
| comment_p("/*", "*/") // rule for C-comments
| comment_p("//")
);
} catch (parser_error<tdf_grammar::Errors, char const*> & e) { // thrown by assertion parsers in tdf_grammar
switch(e.descriptor) {
case tdf_grammar::semicolon_expected: message = "semicolon expected"; break;
case tdf_grammar::equals_sign_expected: message = "equals sign in name value pair expected"; break;
case tdf_grammar::square_bracket_expected: message = "square bracket to close section name expected"; break;
case tdf_grammar::brace_expected: message = "brace or further name value pairs expected"; break;
default: message = "unknown boost::spirit::parser_error exception"; break;
};
std::ptrdiff_t target_pos = e.where - buf;
for (int i = 1; i < target_pos; ++i) {
++error_it;
if (error_it != (iterator_t(buf + i, buf + size))) {
++i;
}
}
}
for (std::list<std::string>::const_iterator it = junk_data.begin(), e = junk_data.end(); it !=e ; ++it) {
std::string temp = StringTrim(*it);
if (!temp.empty()) {
::logOutput.Print("TdfParser: Junk in "+ filename + ": " + temp);
}
}
if (!message.empty()) {
throw parse_error(message, error_it.get_currentline(), error_it.get_position().line, error_it.get_position().column, filename);
}
// a different error might have happened:
if (!info.full) {
std::ptrdiff_t target_pos = info.stop - buf;
for (int i = 1; i < target_pos; ++i) {
++error_it;
if (error_it != (iterator_t(buf + i, buf + size))) {
++i;
}
}
throw parse_error(error_it.get_currentline(), error_it.get_position().line, error_it.get_position().column, filename);
}
}
