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// file : CCF/IDL2/SemanticAction/Impl/Const.cpp
// author : Boris Kolpackov <boris@kolpackov.net>
// cvs-id : $Id$
#include "CCF/IDL2/SemanticAction/Impl/Const.hpp"
#include "CCF/IDL2/SemanticGraph/Fundamental.hpp"
#include "CCF/IDL2/SemanticGraph/IntExpression.hpp"
#include <iostream>
using std::cerr;
using std::endl;
namespace CCF
{
namespace IDL2
{
namespace SemanticAction
{
namespace Impl
{
using namespace SemanticGraph;
Const::
Const (Context& c)
: Base (c)
{
}
void Const::
begin (IdentifierPtr const& type_id,
SimpleIdentifierPtr const& name_id)
{
if (ctx.trace ())
cerr << "const " << type_id << " " << name_id << endl;
const_ = 0;
SimpleName name (name_id->lexeme ());
Name type_name (type_id->lexeme ());
ScopedName from (ctx.scope ().scoped_name ());
try
{
try
{
Type& t (resolve<Type> (from, type_name, Flags::complete));
if (dynamic_cast<Octet*> (&t) ||
dynamic_cast<Short*> (&t) ||
dynamic_cast<UnsignedShort*> (&t) ||
dynamic_cast<Long*> (&t) ||
dynamic_cast<UnsignedLong*> (&t) ||
dynamic_cast<LongLong*> (&t) ||
dynamic_cast<UnsignedLongLong*> (&t))
{
// Integer constant.
//
const_ = &ctx.tu ().new_node<SemanticGraph::IntConst> (
ctx.file (), name_id->line ());
ctx.tu ().new_edge<Belongs> (*const_, t);
ctx.tu ().new_edge<Defines> (ctx.scope (), *const_, name);
}
}
catch (Resolve const&)
{
cerr << ctx.file () << ":" << type_id->line () << ": error: "
<< "invalid const 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 () << ":" << type_id->line () << ": error: "
<< "no type with name \'" << type_name
<< "\' visible from scope \'" << from << "\'" << endl;
}
catch (WrongType const&)
{
cerr << ctx.file () << ":" << type_id->line () << ": error: "
<< "declaration with name \'" << type_name
<< "\' visible from scope \'" << from
<< "\' is not a type declaration" << endl;
cerr << ctx.file () << ":" << type_id->line () << ": error: "
<< "using non-type as a const type is illegal" << endl;
}
catch (NotComplete const& e)
{
cerr << ctx.file () << ":" << type_id->line () << ": error: "
<< "type \'" << e.name () << "\' is not complete" << endl;
}
}
void Const::
expr ()
{
//@@ Need to check if int_exp_stack is empty.
//
if (const_ && ctx.int_exp_size () > 0)
{
IntExpression& expr (ctx.int_exp_pop ());
ctx.tu ().new_edge<Initializes> (expr, *const_);
}
}
}
}
}
}
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