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// file : CCF/IDL2/SemanticAction/Impl/Include.hpp
// author : Boris Kolpackov <boris@dre.vanderbilt.edu>
// cvs-id : $Id$
#ifndef CCF_IDL2_SEMANTIC_ACTION_IMPL_INCLUDE_HPP
#define CCF_IDL2_SEMANTIC_ACTION_IMPL_INCLUDE_HPP
#include <stack>
#include "CCF/IDL2/SyntaxTree/Translation.hpp"
namespace CCF
{
namespace IDL2
{
namespace SemanticAction
{
namespace Impl
{
//
//
//
class Include : public virtual SemanticAction::Include
{
public:
virtual
~Include () throw () {}
Include (bool trace,
SemanticAction::Factory& action_factory,
SyntaxTree::TranslationRegionPtr const& region,
SyntaxTree::ScopePtr& scope)
: trace_ (trace),
action_factory_ (action_factory),
scope_ (scope)
{
stack_.push (region);
}
virtual void
begin (StringLiteralPtr const& sl)
{
if (trace_) cerr << "include \"" << sl << "\"" << endl;
/*
@@ this code is experimentla and temporarlily disabled
@@ see relevant code in IDL3 for more information
using namespace SyntaxTree;
std::ifstream ifs (sl->lexeme ().c_str ());
if (!ifs.is_open ())
{
cerr << "error: unable to open included file \'"
<< sl << "\'" << endl;
}
TranslationRegionPtr r (
new TranslationRegion (sl->lexeme (),
stack_.top ()->table (),
stack_.top ()->create_order ()));
stack_.top ()->insert (r);
stack_.push (r);
scope_ = stack_.top ()->scope ();
//@@ this code is highly experimental
IDL2::LexicalAnalyzer lexer (ifs);
TokenStream token_stream;
//@@ bad token comparison
for (TokenPtr token = lexer.next ();
token.in () != lexer.eos.in ();
token = lexer.next ())
{
token_stream.push_back (token);
}
if (token_stream.size () == 0)
{
// Empty file
return;
}
IDL2::Parser parser (lexer, action_factory_);
bool result = Details::parse (token_stream.begin (),
token_stream.end (),
parser.start ());
*/
}
virtual void
end ()
{
if (trace_) cerr << "end" << endl;
stack_.pop ();
scope_ = stack_.top ()->scope ();
}
public:
bool trace_;
SemanticAction::Factory& action_factory_;
SyntaxTree::ScopePtr& scope_;
std::stack<SyntaxTree::TranslationRegionPtr> stack_;
};
}
}
}
}
#endif // CCF_IDL2_SEMANTIC_ACTION_IMPL_INCLUDE_HPP
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