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// file : CCF/IDL2/SemanticAction/Impl/Union.cpp
// author : Boris Kolpackov <boris@dre.vanderbilt.edu>
// cvs-id : $Id$
#include "CCF/IDL2/SemanticAction/Impl/Union.hpp"
#include "CCF/IDL2/SemanticGraph/Enum.hpp"
#include "CCF/IDL2/SemanticGraph/Fundamental.hpp"
#include <iostream>
using std::cerr;
using std::endl;
namespace CCF
{
namespace IDL2
{
namespace SemanticAction
{
namespace Impl
{
using namespace SemanticGraph;
Union::
Union (Context& c)
: ScopeBase<SemanticGraph::Union> (c)
{
}
void Union::
begin_def (SimpleIdentifierPtr const& id)
{
if (ctx.trace ()) cerr << "union def " << id << endl;
SimpleName name (id->lexeme ());
if (Nameable* s = lookup (ctx.tu (), ctx.scope (), name))
{
now (dynamic_cast<SemanticGraph::Union&>(*s));
}
else
{
now (ctx.tu ().new_node<SemanticGraph::Union> (
ctx.file (), id->line ()));
}
ctx.tu ().new_edge<Defines> (ctx.scope (), now (), name);
}
void Union::
begin_fwd (SimpleIdentifierPtr const& id)
{
if (ctx.trace ()) cerr << "union fwd " << id << endl;
SimpleName name (id->lexeme ());
if (Nameable* s = lookup (ctx.tu (), ctx.scope (), name))
{
now (dynamic_cast<SemanticGraph::Union&>(*s));
}
else
{
now (ctx.tu ().new_node<SemanticGraph::Union> (
ctx.file (), id->line ()));
}
ctx.tu ().new_edge<Mentions> (ctx.scope (), now (), name);
}
void Union::
type (IdentifierPtr const& id)
{
if (ctx.trace ()) cerr << "type " << id << endl;
type_ = 0;
Name name (id->lexeme ());
ScopedName from (ctx.scope ().scoped_name ());
try
{
try
{
type_ = &resolve<Type> (from, name);
if (!(dynamic_cast<Enum*> (type_) ||
dynamic_cast<Boolean*> (type_) ||
dynamic_cast<Char*> (type_) ||
dynamic_cast<Wchar*> (type_) ||
dynamic_cast<Short*> (type_) ||
dynamic_cast<UnsignedShort*> (type_) ||
dynamic_cast<Long*> (type_) ||
dynamic_cast<UnsignedLong*> (type_) ||
dynamic_cast<LongLong*> (type_) ||
dynamic_cast<UnsignedLongLong*> (type_)))
{
throw WrongType (type_->scoped_name ());
}
ctx.tu ().new_edge<ArgumentsWithType> (*type_, now ());
}
catch (Resolve const&)
{
cerr << ctx.file () << ":" << id->line () << ": error: "
<< "invalid union declaration" << endl;
throw;
}
}
catch (NotFound const&)
{
cerr << ctx.file () << ":" << id->line () << ": error: "
<< "no type 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 a valid discriminant type" << endl;
}
}
void Union::
open_scope ()
{
if (ctx.trace ()) cerr << "scope open" << endl;
push (ctx.scope ());
ctx.scope (now ());
}
void Union::
member_type (IdentifierPtr const& id)
{
if (ctx.trace ()) cerr << "type " << id << endl;
member_type_ = 0;
Name name (id->lexeme ());
ScopedName from (ctx.scope ().scoped_name ());
try
{
try
{
// With introduction of CORBA 3.1 we have a new beast:
// union with incoplete members which itself becomes
// incomplete.
//
member_type_ = &resolve<Type> (from, name/*, Flags::complete*/);
}
catch (Resolve const&)
{
cerr << ctx.file () << ":" << id->line () << ": error: "
<< "invalid union member declaration" << endl;
throw;
}
//@@ I am not handling NotUnique here. For example if
// I provide module name as type then the compiler
// will ICE. Think about other places it may happen
// (attribute, value memebr, typeded, others?).
//
}
catch (NotFound const&)
{
cerr << ctx.file () << ":" << id->line () << ": error: "
<< "no type 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 a type declaration" << endl;
cerr << ctx.file () << ":" << id->line () << ": error: "
<< "using non-type as an member type is illegal" << endl;
}
catch (NotComplete const& e)
{
cerr << ctx.file () << ":" << id->line () << ": error: "
<< "type \'" << e.name () << "\' is not complete" << endl;
}
}
void Union::
member_name (SimpleIdentifierPtr const& id)
{
if (ctx.trace ()) cerr << "name " << id << endl;
if (member_type_)
{
SimpleName name (id->lexeme ());
SemanticGraph::UnionMember& m (
ctx.tu ().new_node<SemanticGraph::UnionMember> (
ctx.file (), id->line ()));
ctx.tu ().new_edge<Belongs> (m, *member_type_);
ctx.tu ().new_edge<Defines> (ctx.scope (), m, name);
}
}
void Union::
close_scope ()
{
ctx.scope (top ());
pop ();
if (ctx.trace ()) cerr << "scope close" << endl;
}
void Union::
end ()
{
if (ctx.trace ()) cerr << "end" << endl;
}
}
}
}
}
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