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//
// $Id$
//
// ============================================================================
//
// = LIBRARY
// TAO IDL
//
// = FILENAME
// interceptors_arglist.cpp
//
// = DESCRIPTION
// Visitor generating code for the parameter list of the Operation signature.
//
// = AUTHOR
// Kirthika Parameswaran <kirthika@cs.wustl.edu>
//
// ============================================================================
#include "idl.h"
#include "idl_extern.h"
#include "be.h"
#include "be_visitor_operation.h"
ACE_RCSID(be_visitor_operation, interceptors_arglist, "$Id$")
// ************************************************************
// operation visitor to generate the argument list.
// We have separated code generation for this from the 4 main
// visitors to avoid code duplication and tight coupling
// ************************************************************
be_visitor_operation_interceptors_arglist::
be_visitor_operation_interceptors_arglist (be_visitor_context *ctx)
: be_visitor_operation (ctx)
{
}
be_visitor_operation_interceptors_arglist::~be_visitor_operation_interceptors_arglist (void)
{
}
int
be_visitor_operation_interceptors_arglist::visit_operation (be_operation *node)
{
TAO_OutStream *os = this->ctx_->stream ();
// all we do is hand over code generation to our scope
if (this->visit_scope (node) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_operation_interceptors_arglist::"
"visit_operation - "
"codegen for scope failed\n"),
-1);
}
// generate the TAO_ENV_ARG_PARAMETER for the alternative mapping
if (!be_global->exception_support ())
{
switch (this->ctx_->state ())
{
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_INFO_ARGLIST_CH:
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_INFO_ARGLIST_SH:
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_ARG_INFO_CS:
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_PARAMLIST:
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_ARG_INFO_SS:
// case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_RESULT:
break;
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_INFO_ARGLIST_CS:
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_INFO_ARGLIST_SS:
{
*os << " TAO_ENV_ARG_PARAMETER";
break;
}
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_ARGLIST_CS:
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_ARGLIST_SS:
{
// last argument - is always CORBA::Environment
*os << " TAO_ENV_ARG_DECL_NOT_USED";
break;
}
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_ARGLIST_CH:
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_ARGLIST_SH:
{
// @@ Do it for all cases i.e arg count > = 0
// last argument - is always CORBA::Environment
*os << " TAO_ENV_ARG_DECL_WITH_DEFAULTS" << be_uidt_nl;
break;
}
default:
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_interceptors_arglist::"
"visit_operation - "
"Bad context\n"),
-1);
}
}
}
return 0;
}
int
be_visitor_operation_interceptors_arglist::pre_process (be_decl *bd)
{
TAO_OutStream *os = this->ctx_->stream ();
be_argument *arg = be_argument::narrow_from_decl (bd);
if (!arg)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) "
"be_compiled_visitor_operation_argument_invoke"
"::post_process - "
"Bad argument node\n"),
-1);
}
if (arg->direction () == AST_Argument::dir_OUT)
return 0;
switch (this->ctx_->state ())
{
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_ARGLIST_CH:
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_ARGLIST_CS:
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_ARG_INFO_CS:
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_INFO_ARGLIST_CS:
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_ARGLIST_SH:
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_ARGLIST_SS:
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_ARG_INFO_SS:
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_INFO_ARGLIST_SS:
{
// If we are not the last node in the list of arguments, generate a comma
// else decide if we are generating code to support true exceptions - in
// which case there will not be any CORBA::Environment parameter.
*os << "," << be_nl;
break;
}
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_INFO_ARGLIST_CH:
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_PARAMLIST:
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_INFO_ARGLIST_SH:
break;
default:
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_interceptors_arglist::"
"post_process - "
"Bad context\n"),
-1);
}
}
return 0;
}
int
be_visitor_operation_interceptors_arglist::visit_argument (be_argument *node)
{
// Get the visitor that will dump the argument's mapping in the operation
// signature.
be_visitor_context ctx (*this->ctx_);
// First grab the interface definition inside which this operation is
// defined. We need this since argument types may very well be declared
// inside the scope of the interface node. In such cases, we would like to
// generate the appropriate relative scoped names.
be_operation *op = this->ctx_->be_scope_as_operation ();
if (op == 0)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_interceptors_arglist::"
"visit_argument - "
"Bad operation\n"),
-1);
}
// We don't generate the "out" args as part of arglist
if (node->direction () == AST_Argument::dir_OUT)
{
return 0;
}
// We need the interface node in which this operation was defined. However,
// if this operation node was an attribute node in disguise, we get this
// information from the context.
be_interface *intf;
intf = this->ctx_->attribute ()
? be_interface::narrow_from_scope (this->ctx_->attribute ()->defined_in ())
: be_interface::narrow_from_scope (op->defined_in ());
if (!intf)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_interceptors_arglist::"
"visit_argument - "
"Bad interface\n"),
-1);
}
ctx.scope (intf); // set new scope
switch (this->ctx_->state ())
{
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_ARGLIST_CH:
ctx.state (TAO_CodeGen::TAO_ARGUMENT_INTERCEPTORS_INFO_ARGLIST_CH);
break;
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_INFO_ARGLIST_CH:
ctx.state (TAO_CodeGen::TAO_ARGUMENT_INTERCEPTORS_ARGLIST_CH);
break;
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_ARGLIST_CS:
ctx.state (TAO_CodeGen::TAO_ARGUMENT_INTERCEPTORS_INFO_ARGLIST_CH);
break;
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_ARG_INFO_CS:
ctx.state (TAO_CodeGen::TAO_ARGUMENT_INTERCEPTORS_ARGLIST_CS);
break;
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_INFO_ARGLIST_CS:
ctx.state (TAO_CodeGen::TAO_ARGUMENT_INTERCEPTORS_INFO_ARGLIST_CS);
break;
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_PARAMLIST:
ctx.state (TAO_CodeGen::TAO_ARGUMENT_INTERCEPTORS_PARAMLIST);
break;
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_ARGLIST_SH:
ctx.state (TAO_CodeGen::TAO_ARGUMENT_INTERCEPTORS_INFO_ARGLIST_CH);
break;
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_INFO_ARGLIST_SH:
ctx.state (TAO_CodeGen::TAO_ARGUMENT_INTERCEPTORS_ARGLIST_SH);
break;
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_ARGLIST_SS:
ctx.state (TAO_CodeGen::TAO_ARGUMENT_INTERCEPTORS_INFO_ARGLIST_CH);
break;
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_ARG_INFO_SS:
ctx.state (TAO_CodeGen::TAO_ARGUMENT_INTERCEPTORS_ARGLIST_SS);
break;
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_INFO_ARGLIST_SS:
ctx.state (TAO_CodeGen::TAO_ARGUMENT_UPCALL_SS);
break;
default:
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_interceptors_arglist::"
"visit_argument - "
"Bad context\n"),
-1);
}
}
// Grab a visitor.
be_visitor *visitor = tao_cg->make_visitor (&ctx);
if (!visitor)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_interceptors_arglist::"
"visit_argument - "
"Bad visitor\n"),
-1);
}
if (node->accept (visitor) == -1)
{
delete visitor;
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_interceptors_arglist::"
"visit_argument - "
"codegen for interceptors_arglist failed\n"),
-1);
}
delete visitor;
return 0;
}
int
be_visitor_operation_interceptors_arglist::post_process (be_decl *bd)
{
TAO_OutStream *os = this->ctx_->stream ();
be_argument *arg = be_argument::narrow_from_decl (bd);
if (!arg)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) "
"be_compiled_visitor_operation_argument_invoke"
"::post_process - "
"Bad argument node\n"),
-1);
}
if (arg->direction () != AST_Argument::dir_OUT)
return 0;
switch (this->ctx_->state ())
{
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_INFO_ARGLIST_CH:
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_INFO_ARGLIST_SH:
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_PARAMLIST:
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_ARGLIST_CH:
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_ARG_INFO_CS:
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_ARGLIST_CS:
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_INFO_ARGLIST_CS:
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_ARGLIST_SH:
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_ARG_INFO_SS:
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_ARGLIST_SS:
case TAO_CodeGen::TAO_OPERATION_INTERCEPTORS_INFO_ARGLIST_SS:
{
if (!this->last_node (bd))
{
os->indent ();
*os << "\n";
}
break;
}
default:
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_interceptors_arglist::"
"post_process - "
"Bad context\n"),
-1);
}
}
return 0;
}
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