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// file : CCF/Example/CIDL/LocalExecutorMapping/cidlc.cpp
// author : Boris Kolpackov <boris@dre.vanderbilt.edu>
// cvs-id : $Id$
#include <vector>
#include <iostream>
#include "CCF/CompilerElements/Context.hpp"
#include "CCF/CompilerElements/FileSystem.hpp"
#include "CCF/CompilerElements/Diagnostic.hpp"
#include "CCF/CompilerElements/TokenStream.hpp"
#include "CCF/CompilerElements/Preprocessor.hpp"
#include "CCF/CodeGenerationKit/CommandLine.hpp"
#include "CCF/CodeGenerationKit/CommandLineParser.hpp"
#include "CCF/CodeGenerationKit/CommandLineDescriptor.hpp"
#include "CCF/CIDL/LexicalAnalyzer.hpp"
#include "CCF/CIDL/Parser.hpp"
#include "CCF/CIDL/SemanticGraph.hpp"
#include "CCF/CIDL/SemanticAction/Impl/Factory.hpp"
#include "ExecutorMappingGenerator.hpp"
using std::cerr;
using std::endl;
using namespace CCF::CompilerElements;
using namespace CCF::CIDL;
using namespace CCF::CIDL::SemanticGraph;
int
main (int argc, char* argv[])
{
try
{
// Parsing command line options and arguments
//
//
CommandLine cl;
if (!parse (argc, argv, cl))
{
cerr << "command line syntax error" << endl;
cerr << "try " << argv[0] << " --help for usage information" << endl;
return -1;
}
ExecutorMappingGenerator lem_gen;
if (cl.get_value ("help", false) || cl.get_value ("help-html", false))
{
CL::Description d (argv[0]);
lem_gen.options (d);
d.add_option (CL::OptionDescription (
"trace-semantic-actions",
"Turn on semnatic actions tracing facility.",
true));
d.add_option (CL::OptionDescription (
"preprocess-only",
"Run preprocessor only and output result to stdout.",
true));
d.add_option (CL::OptionDescription (
"help",
"Display usage information and exit.",
true));
d.add_option (CL::OptionDescription (
"help-html",
"Dump usage information in html format and exit.",
true));
d.add_argument ("cidl file");
if (cl.get_value ("help-html", false)) CL::print_html (cerr, d);
else CL::print_text (cerr, d);
return 0;
}
fs::ifstream ifs;
ifs.exceptions (ios_base::badbit | ios_base::failbit);
fs::path file_path;
CommandLine::ArgumentsIterator i = cl.arguments_begin ();
if (i != cl.arguments_end ())
{
try
{
file_path = fs::path (*i, fs::native);
ifs.open (file_path, std::ios_base::in);
}
catch (fs::filesystem_error const&)
{
cerr << *i << ": error: unable to open in read mode" << endl;
return -1;
}
catch (std::ios_base::failure const&)
{
cerr << *i << ": error: unable to open in read mode" << endl;
return -1;
}
}
//@@ for some reason ifs throws exception if I don't reset it to
// original state. It probably has something to do with call to
// get after eof.
ifs.exceptions (ios_base::iostate (0));
std::istream& is = ifs.is_open ()
? static_cast<std::istream&> (ifs)
: static_cast<std::istream&> (std::cin);
InputStreamAdapter isa (is);
CPP::Preprocessor pp (isa);
if (cl.get_value ("preprocess-only", false))
{
while (true)
{
CPP::Token t (pp.next ());
if (t == CPP::Token::eos) break;
std::cout << t;
}
return 0;
}
//}
Diagnostic::Stream dout;
LexicalAnalyzer lexer (pp);
TokenList token_stream;
//@@ bad token comparison
for (TokenPtr token = lexer.next ();; token = lexer.next ())
{
//cerr << token << endl;
token_stream.push_back (token);
if (ReferenceCounting::strict_cast<EndOfStream> (token) != 0) break;
}
if (token_stream.size () < 2)
{
cerr << "no tokens produced so nothing to parse" << endl;
return 0;
}
TranslationUnit tu;
// Initialize compilation context.
//
CCF::CompilerElements::Context context;
context.set ("file-path", file_path);
context.set ("trace-semantic-action",
cl.get_value ("trace-semantic-actions", false));
// Extract include search paths.
//
std::vector<fs::path> include_paths;
for (CommandLine::OptionsIterator
i (cl.options_begin ()), e (cl.options_end ()); i != e; ++i)
{
if (i->name () == "I")
{
include_paths.push_back (fs::path (i->value (), fs::native));
}
else if (i->name ()[0] == 'I')
{
std::string opt (i->name ());
std::string path (opt.begin () + 1, opt.end ());
include_paths.push_back (fs::path (path, fs::native));
}
}
context.set ("include-search-paths", include_paths);
// Instantiate semantic actions factory.
//
SemanticAction::Impl::Factory actions (context, dout, tu);
Parser parser (context, dout, lexer, actions);
//@@ should be able to use CIDL here. Or better yet get rid of this
// function completely.
//
CCF::IDL2::Parsing::parse (token_stream.begin (),
token_stream.end (),
parser.start ());
if (dout.error_count () != 0) return -1;
// Generate executor mapping.
//
lem_gen.generate (cl, tu, file_path);
}
catch (std::bad_cast const&)
{
cerr << "bad cast exception" << endl;
}
catch (InvalidName const&)
{
cerr << "invalid name exception" << endl;
}
catch (std::exception const& e)
{
cerr << "caught standard exception " << e.what () << endl;
}
catch (...)
{
cerr << "caught unknown exception" << endl;
return -1;
}
}
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