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format( "can't open '{}'.", filename ) );
return nullptr;
}
sema::Context c( e, identity, returnType );
DiagnosticsContext dc( 0, true );
VerbosityContext vc( Verbosity::Normal, true );
auto cfg = make_shared< llr::CFG >( 0 );
cfg->createBB();
cfg->setCurrentBB( cfg->entryBB() );
auto cb = make_shared< CodeBuilder >( cfg );
c.setBuilder( cb );
auto r = make_shared< parse::Resolver >(
make_shared< lex::Lexer >( sourcefile, filename ), c );
parse::Parser p( r );
auto cfg = make_shared< llr::CFG >( 0 );
cfg->createBB();
p.setCFG( cfg );
p.cfg()->setCurrentBB( cfg->entryBB() );
r->getCurrentLocation(), "syntax error." );
r->currentLocation(), "syntax error." );
}
if( p.cfg()->currentBB() && !cfg->currentBB()->terminator() )
if( cfg->currentBB() && !cfg->currentBB()->terminator() )
{
// TODO implement a "default return value"
// system so that omitting the return statement
// at the top level does the right thing.
p.flushValue();
cb->destroyAllLiveValues( c );
p.emitTerminator( llr::Ret() );
cb->emitTerminator( r->currentLocation(), llr::Ret() );
}
verify::Func fv( cfg );
if( !fv.verify() )
return nullptr;
return cfg;
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