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// file : CCF/IDL3/SemanticAction/Impl/Uses.cpp
// author : Boris Kolpackov <boris@dre.vanderbilt.edu>
// cvs-id : $Id$
#include "CCF/IDL3/SemanticGraph/Component.hpp"
#include "CCF/IDL3/SemanticAction/Impl/Uses.hpp"
#include <iostream>
using std::cerr;
using std::endl;
namespace CCF
{
namespace IDL3
{
namespace SemanticAction
{
namespace Impl
{
using namespace SemanticGraph;
Uses::
Uses (Context& c)
: Base (c), multiple_ (false)
{
}
void Uses::
multiple ()
{
multiple_ = true;
}
void Uses::
type (IdentifierPtr const& id)
{
if (ctx.trace ())
cerr << "uses " << (multiple_ ? "multiple ": "") << id;
type_ = 0;
Name name (id->lexeme ());
ScopedName from (ctx.scope ().scoped_name ());
try
{
try
{
type_ = &resolve<SemanticGraph::Interface> (from, name);
}
catch (Resolve const&)
{
cerr << ctx.file () << ":" << id->line () << ": error: "
<< "invalid uses declaration" << endl;
throw;
}
}
catch (NotFound const&)
{
cerr << ctx.file () << ":" << id->line () << ": error: "
<< "no interface with name \'" << name
<< "\' visible from scope \'" << from << "\'" << endl;
}
catch (WrongType const&)
{
cerr << ctx.file () << ":" << id->line () << ": error: "
<< "declaration with name \'" << name
<< "\' visible from scope \'" << from
<< "\' is not an interface declaration" << endl;
cerr << ctx.file () << ":" << id->line () << ": error: "
<< "using non-interface type in uses declaration is "
<< "illegal" << endl;
}
}
void Uses::
name (SimpleIdentifierPtr const& id)
{
if (ctx.trace ()) cerr << " " << id << endl;
if (type_)
{
User* u;
if (multiple_)
u = &ctx.tu ().new_node<MultiUser> (ctx.file (), id->line ());
else
u = &ctx.tu ().new_node<SingleUser> (ctx.file (), id->line ());
ctx.tu ().new_edge<Belongs> (*u, *type_);
ctx.tu ().new_edge<Defines> (ctx.scope (), *u, id->lexeme ());
}
multiple_ = false;
}
}
}
}
}
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