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// file : CCF/IDL3/SemanticAction/Impl/Component.cpp
// author : Boris Kolpackov <boris@dre.vanderbilt.edu>
// cvs-id : $Id$
#include "CCF/IDL3/SemanticAction/Impl/Component.hpp"
#include <iostream>
using std::cerr;
using std::endl;
namespace CCF
{
namespace IDL3
{
namespace SemanticAction
{
namespace Impl
{
using namespace SemanticGraph;
Component::
Component (Context& c)
: ScopeBase<SemanticGraph::Component> (c)
{
}
void Component::
begin_def (SimpleIdentifierPtr const& id)
{
if (ctx.trace ()) cerr << "component def " << id << endl;
SimpleName name (id->lexeme ());
if (Nameable* s = lookup (ctx.tu (), ctx.scope (), name))
{
now (dynamic_cast<SemanticGraph::Component&>(*s));
}
else
{
now (ctx.tu ().new_node<SemanticGraph::Component> (
ctx.file (), id->line ()));
}
ctx.tu ().new_edge<Defines> (ctx.scope (), now (), name);
}
void Component::
begin_fwd (SimpleIdentifierPtr const& id)
{
if (ctx.trace ()) cerr << "component fwd " << id << endl;
SimpleName name (id->lexeme ());
if (Nameable* s = lookup (ctx.tu (), ctx.scope (), name))
{
now (dynamic_cast<SemanticGraph::Component&>(*s));
}
else
{
now (ctx.tu ().new_node<SemanticGraph::Component> (
ctx.file (), id->line ()));
}
ctx.tu ().new_edge<Mentions> (ctx.scope (), now (), name);
}
void Component::
inherits (IdentifierPtr const& id)
{
if (ctx.trace ()) cerr << " inherits " << id << endl;
Name name (id->lexeme ());
ScopedName from (ctx.scope ().scoped_name ());
try
{
try
{
SemanticGraph::Component& c (
resolve<SemanticGraph::Component> (from, name, Flags::defined));
ctx.tu ().new_edge<Inherits> (now (), c);
ctx.tu ().new_edge<Extends> (now (), c);
}
catch (Resolve const&)
{
cerr << ctx.file () << ":" << id->line () << ": error: "
<< "invalid inheritance specification" << endl;
throw;
}
}
catch (NotFound const&)
{
cerr << ctx.file () << ":" << id->line () << ": error: "
<< "no component with name \'" << name
<< "\' visible from scope \'" << from << "\'" << endl;
}
catch (WrongType const&)
{
cerr << ctx.file () << ":" << id->line () << ": error: "
<< "incompatible type in inheritance specification" << endl;
}
catch (NotDefined const& e)
{
cerr << ctx.file () << ":" << id->line () << ": error: "
<< "attempt to inherit from forward-declared component "
<< e.name () << endl;
cerr << ctx.file () << ":" << id->line () << ": error: "
<< "inheritance from forward-declared component is illegal"
<< endl;
}
}
void Component::
supports (IdentifierPtr const& id)
{
if (ctx.trace ()) cerr << " supports " << id << endl;
Name name (id->lexeme ());
ScopedName from (ctx.scope ().scoped_name ());
try
{
try
{
SemanticGraph::Interface& i (
resolve<SemanticGraph::Interface> (from, name, Flags::defined));
check_support (now ().supports_begin (),
now ().supports_end (),
i);
ctx.tu ().new_edge<Supports> (now (), i);
ctx.tu ().new_edge<Extends> (now (), i);
}
catch (Resolve const&)
{
cerr << ctx.file () << ":" << id->line () << ": error: "
<< "invalid supports specification" << 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: "
<< "incompatible type in supports specification" << endl;
}
catch (NotDefined const& e)
{
cerr << ctx.file () << ":" << id->line () << ": error: "
<< "attempt to support forward-declared interface "
<< e.name () << endl;
cerr << ctx.file () << ":" << id->line () << ": error: "
<< "support of forward-declared interface is illegal"
<< endl;
}
catch (AlreadySupported const& e)
{
cerr << ctx.file () << ":" << id->line () << ": error: "
<< "directly supporting interface \'" << e.name ()
<< "\' more than once is illegal" << endl;
}
}
//@@ Implementation of *_scope is the same for all cases.
//
void Component::
open_scope ()
{
if (ctx.trace ()) cerr << "scope open" << endl;
push (ctx.scope ());
ctx.scope (now ());
}
void Component::
close_scope ()
{
ctx.scope (top ());
pop ();
if (ctx.trace ()) cerr << "scope close" << endl;
}
void Component::
end ()
{
if (ctx.trace ()) cerr << "end" << endl;
}
}
}
}
}
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