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//
// $Id$
//
// ============================================================================
//
// = LIBRARY
// TAO IDL
//
// = FILENAME
// component.cpp
//
// = DESCRIPTION
// Visitor generating code for Components. This is a generic visitor.
//
// = AUTHOR
// Jeff Parsons
//
// ============================================================================
ACE_RCSID (be_visitor_component,
component,
"$Id$")
// ******************************************************
// Generic Component visitor
// ******************************************************
be_visitor_component::be_visitor_component (be_visitor_context *ctx)
: be_visitor_interface (ctx)
{
}
be_visitor_component::~be_visitor_component (void)
{
}
int
be_visitor_component::visit_attribute (be_attribute *node)
{
// Instantiate a visitor context with a copy of our context. This info
// will be modified based on what type of node we are visiting.
be_visitor_context ctx (*this->ctx_);
ctx.node (node);
switch (this->ctx_->state ())
{
case TAO_CodeGen::TAO_ROOT_CH:
break;
case TAO_CodeGen::TAO_ROOT_CS:
break;
case TAO_CodeGen::TAO_ROOT_SH:
break;
case TAO_CodeGen::TAO_ROOT_IH:
break;
case TAO_CodeGen::TAO_ROOT_SS:
break;
case TAO_CodeGen::TAO_ROOT_IS:
break;
default:
return 0; // nothing to be done
}
// Same visitor for all the above cases where an action is taken.
be_visitor_attribute visitor (&ctx);
if (node->accept (&visitor) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_component::"
"visit_attribute - "
"failed to accept visitor\n"),
-1);
}
return 0;
}
int
be_visitor_component::visit_operation (be_operation *node)
{
// Instantiate a visitor context with a copy of our context. This info
// will be modified ased on what type of node we are visiting
be_visitor_context ctx (*this->ctx_);
ctx.node (node);
int status = 1;
switch (this->ctx_->state ())
{
// These first two cases may have the context state changed
// by a strategy, so we use the visitor factory below.
case TAO_CodeGen::TAO_ROOT_CH:
ctx.state (TAO_CodeGen::TAO_OPERATION_CH);
break;
case TAO_CodeGen::TAO_ROOT_CS:
ctx.state (TAO_CodeGen::TAO_OPERATION_CS);
break;
case TAO_CodeGen::TAO_ROOT_SH:
{
be_visitor_operation_sh visitor (&ctx);
status = node->accept (&visitor);
break;
}
case TAO_CodeGen::TAO_ROOT_IH:
{
be_visitor_operation_ih visitor (&ctx);
status = node->accept (&visitor);
break;
}
case TAO_CodeGen::TAO_ROOT_SS:
{
be_visitor_operation_ss visitor (&ctx);
status = node->accept (&visitor);
break;
}
case TAO_CodeGen::TAO_ROOT_IS:
{
be_visitor_operation_is visitor (&ctx);
status = node->accept (&visitor);
break;
}
case TAO_CodeGen::TAO_ROOT_ANY_OP_CH:
case TAO_CodeGen::TAO_ROOT_ANY_OP_CS:
case TAO_CodeGen::TAO_ROOT_CDR_OP_CH:
case TAO_CodeGen::TAO_ROOT_CDR_OP_CS:
case TAO_CodeGen::TAO_ROOT_CI:
case TAO_CodeGen::TAO_ROOT_SI:
return 0; // nothing to be done
default:
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_component::"
"visit_operation - "
"Bad context state\n"),
-1);
}
}
if (status == 0)
{
return 0;
}
else if (status == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_component::"
"visit_operation - "
"failed to accept visitor\n"),
-1);
}
// Change the state depending on the kind of node strategy.
ctx.state (node->next_state (ctx.state ()));
// Grab the appropriate visitor.
be_visitor *visitor = tao_cg->make_visitor (&ctx);
if (!visitor)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_component::"
"visit_operation - "
"NUL visitor\n"),
-1);
}
if (node->accept (visitor) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_component::"
"visit_operation - "
"failed to accept visitor\n"),
-1);
}
delete visitor;
visitor = 0;
// Do additional code generation is necessary.
// Note, this call is delegated to the strategy connected to
// the node.
if (node->has_extra_code_generation (ctx.state ()))
{
// Change the state depending on the kind of node strategy.
ctx.state (node->next_state (ctx.state (), 1));
// Grab the appropriate visitor.
visitor = tao_cg->make_visitor (&ctx);
if (!visitor)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_component::"
"visit_operation - "
"NUL visitor\n"),
-1);
}
if (node->accept (visitor) == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_component::"
"visit_operation - "
"failed to accept visitor\n"),
-1);
}
delete visitor;
visitor = 0;
}
return 0;
}
int
be_visitor_component::visit_structure (be_structure *node)
{
// Instantiate a visitor context with a copy of our context. This info
// will be modified based on what type of node we are visiting.
be_visitor_context ctx (*this->ctx_);
ctx.node (node);
int status = 0;
switch (this->ctx_->state ())
{
case TAO_CodeGen::TAO_ROOT_CH:
{
be_visitor_structure_ch visitor (&ctx);
status = node->accept (&visitor);
break;
}
case TAO_CodeGen::TAO_ROOT_CI:
{
be_visitor_structure_ci visitor (&ctx);
status = node->accept (&visitor);
break;
}
case TAO_CodeGen::TAO_ROOT_CS:
{
be_visitor_structure_cs visitor (&ctx);
status = node->accept (&visitor);
break;
}
case TAO_CodeGen::TAO_ROOT_ANY_OP_CH:
{
be_visitor_structure_any_op_ch visitor (&ctx);
status = node->accept (&visitor);
break;
}
case TAO_CodeGen::TAO_ROOT_ANY_OP_CS:
{
be_visitor_structure_any_op_cs visitor (&ctx);
status = node->accept (&visitor);
break;
}
case TAO_CodeGen::TAO_ROOT_CDR_OP_CH:
{
be_visitor_structure_cdr_op_ch visitor (&ctx);
status = node->accept (&visitor);
break;
}
case TAO_CodeGen::TAO_ROOT_CDR_OP_CS:
{
be_visitor_structure_cdr_op_cs visitor (&ctx);
status = node->accept (&visitor);
break;
}
default:
return 0; // nothing to be done
}
if (status == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_component::"
"visit_structure - "
"failed to accept visitor\n"),
-1);
}
return 0;
}
int
be_visitor_component::visit_typedef (be_typedef *node)
{
// Instantiate a visitor context with a copy of our context. This info
// will be modified based on what type of node we are visiting.
be_visitor_context ctx (*this->ctx_);
ctx.node (node);
int status = 0;
switch (this->ctx_->state ())
{
case TAO_CodeGen::TAO_ROOT_CH:
{
be_visitor_typedef_ch visitor (&ctx);
status = node->accept (&visitor);
break;
}
case TAO_CodeGen::TAO_ROOT_CI:
{
be_visitor_typedef_ci visitor (&ctx);
status = node->accept (&visitor);
break;
}
case TAO_CodeGen::TAO_ROOT_CS:
{
be_visitor_typedef_cs visitor (&ctx);
status = node->accept (&visitor);
break;
}
case TAO_CodeGen::TAO_ROOT_ANY_OP_CH:
{
be_visitor_typedef_any_op_ch visitor (&ctx);
status = node->accept (&visitor);
break;
}
case TAO_CodeGen::TAO_ROOT_ANY_OP_CS:
{
be_visitor_typedef_any_op_cs visitor (&ctx);
status = node->accept (&visitor);
break;
}
case TAO_CodeGen::TAO_ROOT_CDR_OP_CH:
{
be_visitor_typedef_cdr_op_ch visitor (&ctx);
status = node->accept (&visitor);
break;
}
case TAO_CodeGen::TAO_ROOT_CDR_OP_CS:
{
be_visitor_typedef_cdr_op_cs visitor (&ctx);
status = node->accept (&visitor);
break;
}
case TAO_CodeGen::TAO_ROOT_SH:
case TAO_CodeGen::TAO_ROOT_IH:
case TAO_CodeGen::TAO_ROOT_IS:
case TAO_CodeGen::TAO_ROOT_SI:
case TAO_CodeGen::TAO_ROOT_SS:
return 0; // nothing to be done
default:
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_component::"
"visit_typedef - "
"Bad context state\n"),
-1);
}
}
if (status == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_component::"
"visit_typedef - "
"failed to accept visitor\n"),
-1);
}
return 0;
}
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