diff options
Diffstat (limited to 'TAO/TAO_IDL/be/be_visitor_argument/post_invoke_cs.cpp')
| -rw-r--r-- | TAO/TAO_IDL/be/be_visitor_argument/post_invoke_cs.cpp | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/TAO/TAO_IDL/be/be_visitor_argument/post_invoke_cs.cpp b/TAO/TAO_IDL/be/be_visitor_argument/post_invoke_cs.cpp new file mode 100644 index 00000000000..5971d5b5615 --- /dev/null +++ b/TAO/TAO_IDL/be/be_visitor_argument/post_invoke_cs.cpp @@ -0,0 +1,220 @@ +// +// $Id$ +// + +// ============================================================================ +// +// = LIBRARY +// TAO IDL +// +// = FILENAME +// post_invoke_cs.cpp +// +// = DESCRIPTION +// Visitor generating code for post-processing of arguments following an +// invocation. +// +// = AUTHOR +// Jeff Parsons +// +// ============================================================================ + +#include "idl.h" +#include "be.h" +#include "be_visitor_argument.h" + +ACE_RCSID(be_visitor_argument, post_invoke_cs, "$Id$") + + +// ************************************************************************* +// visitor for argument to do any post invocation processing. Not all types need +// this. Only those that have an _out type need this. In addition, interfaces +// need it because we need to convert from the interface type to the base Object +// type and vice versa. +// ************************************************************************* + +be_visitor_args_post_invoke_cs::be_visitor_args_post_invoke_cs +(be_visitor_context *ctx) + : be_visitor_args (ctx) +{ +} + +be_visitor_args_post_invoke_cs::~be_visitor_args_post_invoke_cs (void) +{ +} + +int +be_visitor_args_post_invoke_cs::visit_argument (be_argument *node) +{ + this->ctx_->node (node); // save the argument node + + // retrieve the type of the argument + be_type *bt = be_type::narrow_from_decl (node->field_type ()); + if (!bt) + { + ACE_ERROR_RETURN ((LM_ERROR, + "be_visitor_args_pre_docall_cs::" + "visit_argument - " + "Bad argument type\n"), + -1); + } + + // Different types have different mappings when used as in/out or + // inout parameters. Let this visitor deal with the type + + if (bt->accept (this) == -1) + { + ACE_ERROR_RETURN ((LM_ERROR, + "be_visitor_args_post_docall_compiled_cs::" + "visit_argument - " + "cannot accept visitor\n"), + -1); + } + + return 0; +} + +int +be_visitor_args_post_invoke_cs::visit_interface (be_interface *) +{ + // we must narrow the out object reference to the appropriate type + TAO_OutStream *os = this->ctx_->stream (); // get output stream + be_argument *arg = this->ctx_->be_node_as_argument (); // get the argument + // node + + switch (this->direction ()) + { + case AST_Argument::dir_INOUT: + { + os->indent (); + // assign the narrowed obj reference + *os << "CORBA::release (" << arg->local_name () + << ");\n"; + } + break; + default: + break; + } + return 0; +} + +int +be_visitor_args_post_invoke_cs::visit_interface_fwd (be_interface_fwd *) +{ + // we must narrow the out object reference to the appropriate type + TAO_OutStream *os = this->ctx_->stream (); // get output stream + be_argument *arg = this->ctx_->be_node_as_argument (); // get the argument + // node + + switch (this->direction ()) + { + case AST_Argument::dir_INOUT: + { + os->indent (); + // assign the narrowed obj reference + *os << "CORBA::release (" << arg->local_name () + << ");\n"; + } + break; + default: + break; + } + return 0; +} + +#ifdef IDL_HAS_VALUETYPE + +int +be_visitor_args_post_invoke_cs::visit_valuetype (be_valuetype *) +{ + // we must narrow the out object reference to the appropriate type + TAO_OutStream *os = this->ctx_->stream (); // get output stream + be_argument *arg = this->ctx_->be_node_as_argument (); // get the argument + // node + + switch (this->direction ()) + { + case AST_Argument::dir_INOUT: + { + os->indent (); + *os << "CORBA::remove_ref (" << arg->local_name () + << ");\n"; + } + break; + default: + break; + } + return 0; +} + +int +be_visitor_args_post_invoke_cs::visit_valuetype_fwd (be_valuetype_fwd *) +{ + // we must narrow the out object reference to the appropriate type + TAO_OutStream *os = this->ctx_->stream (); // get output stream + be_argument *arg = this->ctx_->be_node_as_argument (); // get the argument + // node + + switch (this->direction ()) + { + case AST_Argument::dir_INOUT: + { + os->indent (); + *os << "CORBA::remove_ref (" << arg->local_name () + << ");\n"; + } + break; + default: + break; + } + return 0; +} + +#endif /* IDL_HAS_VALUETYPE */ + +int +be_visitor_args_post_invoke_cs::visit_string (be_string *node) +{ + TAO_OutStream *os = this->ctx_->stream (); // get output stream + be_argument *arg = this->ctx_->be_node_as_argument (); // get the argument + // node + switch (this->direction ()) + { + case AST_Argument::dir_IN: + break; + case AST_Argument::dir_INOUT: + os->indent (); + + if (node->width () == sizeof (char)) + { + *os << "CORBA::string_free (" << arg->local_name () + << ");" << be_nl; + } + else + { + *os << "CORBA::wstring_free (" << arg->local_name () + << ");" << be_nl; + } + + break; + case AST_Argument::dir_OUT: + break; + } + return 0; +} + +int +be_visitor_args_post_invoke_cs::visit_typedef (be_typedef *node) +{ + this->ctx_->alias (node); + if (node->primitive_base_type ()->accept (this) == -1) + { + ACE_ERROR_RETURN ((LM_ERROR, + "be_visitor_args_post_docall_compiled_cs::" + "visit_typedef - " + "accept on primitive type failed\n"), + -1); + } + this->ctx_->alias (0); + return 0; +} |