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// file : CCF/IDL2/SemanticAction/Impl/Operation.hpp
// author : Boris Kolpackov <boris@dre.vanderbilt.edu>
// cvs-id : $Id$
#ifndef CCF_IDL2_SEMANTIC_ACTION_IMPL_OPERATION_HPP
#define CCF_IDL2_SEMANTIC_ACTION_IMPL_OPERATION_HPP
#include "CCF/IDL2/SemanticAction/Operation.hpp"
namespace CCF
{
namespace IDL2
{
namespace SemanticAction
{
namespace Impl
{
//
//
//
class Operation : public virtual SemanticAction::Operation
{
public:
virtual
~Operation () throw () {}
Operation (bool trace,
SyntaxTree::ScopePtr& current)
: trace_ (trace),
scope_ (current)
{
}
bool
lookup_type (SyntaxTree::Name const& name,
SyntaxTree::ScopedName& result)
{
using namespace SyntaxTree;
struct Predicate : public DeclarationTable::ResolvePredicate
{
virtual bool
test (DeclarationPtr const& d) throw ()
{
return d->is_a<TypeDecl> ();
}
} p;
try
{
result = scope_->table ().resolve (
name,
scope_->name (),
scope_->peek_order (),
p);
return true;
}
catch (DeclarationTable::NameNotFound const&)
{
cerr << "error: invalid operation declaration" << endl;
cerr << "no type with name \'"
<< name << "\' visible from scope \'"
<< scope_->name () << "\'" << endl;
}
catch (DeclarationTable::PredicateNotMet const&)
{
cerr << "error: invalid operation declaration" << endl;
cerr << "declaration with name \'" << name
<< "\' visible from scope \'" << scope_->name ()
<< "\' is not a type declaration" << endl;
cerr << "using non-type as operation parameter type "
<< " or return type is illegal"
<< endl;
}
return false;
}
virtual void
begin (IdentifierPtr const& type_id,
SimpleIdentifierPtr const& name_id)
{
if (trace_)
cerr << "operation " << type_id << " " << name_id << endl;
using namespace SyntaxTree;
ScopedName type_name;
if (lookup_type (Name (type_id->lexeme ()), type_name))
{
operation_ = OperationDeclPtr (
new OperationDecl (SimpleName (name_id->lexeme ()),
type_name,
scope_));
}
}
virtual void
parameter (Direction::Value direction,
IdentifierPtr const& type_id,
SimpleIdentifierPtr const& name_id)
{
if (trace_)
cerr << "parameter " << direction << " " << type_id
<< " " << name_id << endl;
using namespace SyntaxTree;
ScopedName type_name ("");
if (lookup_type (Name (type_id->lexeme ()), type_name) &&
operation_ != 0)
{
OperationParameter::Direction::Value d =
OperationParameter::Direction::INOUT;
if (direction == Direction::IN)
{
d = OperationParameter::Direction::IN;
}
else if (direction == Direction::OUT)
{
d = OperationParameter::Direction::OUT;
}
OperationParameterPtr p (
new OperationParameter (d,
type_name,
SimpleName (name_id->lexeme ()),
scope_->table ()));
operation_->insert (p);
}
}
virtual void
end ()
{
if (trace_) cerr << "end" << endl;
if (operation_ != 0)
{
scope_->insert (operation_);
operation_ = SyntaxTree::OperationDeclPtr ();
}
}
private:
bool trace_;
SyntaxTree::ScopePtr& scope_;
SyntaxTree::OperationDeclPtr operation_;
};
}
}
}
}
#endif // CCF_IDL2_SEMANTIC_ACTION_IMPL_OPERATION_HPP
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