diff options
Diffstat (limited to 'ACE/TAO/TAO_IDL/be/be_visitor_union_branch/public_constructor_cs.cpp')
| -rw-r--r-- | ACE/TAO/TAO_IDL/be/be_visitor_union_branch/public_constructor_cs.cpp | 328 |
1 files changed, 328 insertions, 0 deletions
diff --git a/ACE/TAO/TAO_IDL/be/be_visitor_union_branch/public_constructor_cs.cpp b/ACE/TAO/TAO_IDL/be/be_visitor_union_branch/public_constructor_cs.cpp new file mode 100644 index 00000000000..ba09ab2867a --- /dev/null +++ b/ACE/TAO/TAO_IDL/be/be_visitor_union_branch/public_constructor_cs.cpp @@ -0,0 +1,328 @@ +// +// $Id$ +// + +// ============================================================================ +// +// = LIBRARY +// TAO IDL +// +// = FILENAME +// public_constructor_cs.cpp +// +// = DESCRIPTION +// Visitor generating code for Union Branch for the constructor operator +// +// = AUTHOR +// Johnny Willemsen +// +// ============================================================================ + +ACE_RCSID (be_visitor_union_branch, + public_constructor_cs, + "$Id$") + +// ********************************************** +// visitor for union_branch in the client stubs file generating the code for +// the copy ctor and assignment operator +// ********************************************** + +// constructor +be_visitor_union_branch_public_constructor_cs:: +be_visitor_union_branch_public_constructor_cs (be_visitor_context *ctx) + : be_visitor_decl (ctx) +{ +} + +// destructor +be_visitor_union_branch_public_constructor_cs:: +~be_visitor_union_branch_public_constructor_cs (void) +{ +} + +// visit the union_branch node +int +be_visitor_union_branch_public_constructor_cs::visit_union_branch ( + be_union_branch *node) +{ + // first generate the type information + be_type *bt = be_type::narrow_from_decl (node->field_type ()); + + if (!bt) + { + ACE_ERROR_RETURN ((LM_ERROR, + "(%N:%l) be_visitor_union_branch_public_constructor_cs::" + "visit_union_branch - " + "Bad union_branch type\n" + ), -1); + } + + this->ctx_->node (node); // save the node + + if (bt->accept (this) == -1) + { + ACE_ERROR_RETURN ((LM_ERROR, + "(%N:%l) be_visitor_union_branch_public_constructor_cs::" + "visit_union_branch - " + "codegen for union_branch type failed\n" + ), -1); + } + + return 0; +} + +// =visit operations on all possible data types that a union_branch can be + +int +be_visitor_union_branch_public_constructor_cs::visit_array (be_array *node) +{ + be_union_branch *ub = + this->ctx_->be_node_as_union_branch (); // get union branch + be_union *bu = + this->ctx_->be_scope_as_union (); // get the enclosing union backend + be_type *bt = 0; + + // Check if we are visiting this node via a visit to a typedef node. + if (this->ctx_->alias ()) + { + bt = this->ctx_->alias (); + } + else + { + bt = node; + } + + if (!ub || !bu) + { + ACE_ERROR_RETURN ((LM_ERROR, + "(%N:%l) be_visitor_union_branch_public_constructor_cs::" + "visit_array - " + "bad context information\n" + ), -1); + } + + TAO_OutStream *os = this->ctx_->stream (); + + // for anonymous arrays, the type name has a _ prepended. We compute the + // full_name with or without the underscore and use it later on. + char fname [NAMEBUFSIZE]; // to hold the full and + + // save the node's local name and full name in a buffer for quick use later + // on + ACE_OS::memset (fname, '\0', NAMEBUFSIZE); + + if (bt->node_type () != AST_Decl::NT_typedef // not a typedef + && bt->is_child (bu)) // bt is defined inside the union + { + // for anonymous arrays ... + // we have to generate a name for us that has an underscope prepended to + // our local name. This needs to be inserted after the parents's name + + if (bt->is_nested ()) + { + be_decl *parent = be_scope::narrow_from_scope (bt->defined_in ())->decl (); + ACE_OS::sprintf (fname, "%s::_%s", parent->full_name (), + bt->local_name ()->get_string ()); + } + else + { + ACE_OS::sprintf (fname, "_%s", bt->full_name ()); + } + } + else + { + // typedefed node + ACE_OS::sprintf (fname, "%s", bt->full_name ()); + } + + // set the discriminant to the appropriate label + *os << "this->u_." << ub->local_name () + << "_ = " << be_idt_nl + << fname << "_alloc ();" << be_uidt << be_uidt; + + return 0; +} + +int +be_visitor_union_branch_public_constructor_cs::visit_predefined_type ( + be_predefined_type *node + ) +{ + be_union_branch *ub = + this->ctx_->be_node_as_union_branch (); // get union branch + be_union *bu = + this->ctx_->be_scope_as_union (); // get the enclosing union backend + be_type *bt = 0; + + // Check if we are visiting this node via a visit to a typedef node. + if (this->ctx_->alias ()) + { + bt = this->ctx_->alias (); + } + else + { + bt = node; + } + + if (!ub || !bu) + { + ACE_ERROR_RETURN ((LM_ERROR, + "(%N:%l) be_visitor_union_branch_public_constructor_cs::" + "visit_predefined_type - " + "bad context information\n" + ), -1); + } + + TAO_OutStream *os = this->ctx_->stream (); + + // set the discriminant to the appropriate label + switch (node->pt ()) + { + case AST_PredefinedType::PT_any: + *os << "ACE_NEW (" << be_idt << be_idt_nl + << "this->u_." << ub->local_name () << "_," << be_nl + << bt->name () << ");" << be_uidt; + + break; + default: + break; + } + + return 0; +} + +int +be_visitor_union_branch_public_constructor_cs::visit_sequence (be_sequence *node) +{ + be_union_branch *ub = + this->ctx_->be_node_as_union_branch (); // get union branch + be_union *bu = + this->ctx_->be_scope_as_union (); // get the enclosing union backend + be_type *bt = 0; + + // Check if we are visiting this node via a visit to a typedef node. + if (this->ctx_->alias ()) + { + bt = this->ctx_->alias (); + } + else + { + bt = node; + } + + if (!ub || !bu) + { + ACE_ERROR_RETURN ((LM_ERROR, + "(%N:%l) be_visitor_union_branch_public_constructor_cs::" + "visit_array - " + "bad context information\n" + ), -1); + } + + TAO_OutStream *os = this->ctx_->stream (); + + *os << "ACE_NEW (" << be_idt_nl + << "this->u_." << ub->local_name () << "_," << be_nl + << bt->name () << ");" << be_uidt; + + return 0; +} + +int +be_visitor_union_branch_public_constructor_cs::visit_structure (be_structure *node) +{ + be_union_branch *ub = + this->ctx_->be_node_as_union_branch (); // get union branch + be_union *bu = + this->ctx_->be_scope_as_union (); // get the enclosing union backend + be_type *bt = 0; + + // Check if we are visiting this node via a visit to a typedef node. + if (this->ctx_->alias ()) + { + bt = this->ctx_->alias (); + } + else + { + bt = node; + } + + if (!ub || !bu) + { + ACE_ERROR_RETURN ((LM_ERROR, + "(%N:%l) be_visitor_union_branch_public_constructor_cs::" + "visit_array - " + "bad context information\n" + ), -1); + } + + TAO_OutStream *os = this->ctx_->stream (); + + if (bt->size_type () == be_type::VARIABLE || node->has_constructor ()) + { + *os << "ACE_NEW (" << be_idt_nl + << "this->u_." << ub->local_name () << "_," << be_nl + << bt->name () << ");" << be_uidt; + } + + return 0; +} + +int +be_visitor_union_branch_public_constructor_cs::visit_typedef (be_typedef *node) +{ + this->ctx_->alias (node); // save the typedef node for use in code generation + // as we visit the base type + + // the node to be visited in the base primitve type that gets typedefed + be_type *bt = node->primitive_base_type (); + + if (!bt || (bt->accept (this) == -1)) + { + ACE_ERROR_RETURN ((LM_ERROR, + "(%N:%l) be_visitor_union_branch_public_constructor_cs::" + "visit_typedef - " + "Bad primitive type\n" + ), -1); + } + + this->ctx_->alias (0); + return 0; +} + +int +be_visitor_union_branch_public_constructor_cs::visit_union (be_union *node) +{ + be_union_branch *ub = + this->ctx_->be_node_as_union_branch (); // get union branch + be_union *bu = + this->ctx_->be_scope_as_union (); // get the enclosing union backend + be_type *bt = 0; + + // Check if we are visiting this node via a visit to a typedef node. + if (this->ctx_->alias ()) + { + bt = this->ctx_->alias (); + } + else + { + bt = node; + } + + if (!ub || !bu) + { + ACE_ERROR_RETURN ((LM_ERROR, + "(%N:%l) be_visitor_union_branch_public_constructor_cs::" + "visit_array - " + "bad context information\n" + ), -1); + } + + TAO_OutStream *os = this->ctx_->stream (); + + *os << "ACE_NEW (" << be_idt_nl + << "this->u_." << ub->local_name () << "_," << be_nl + << bt->name () << ");" << be_uidt; + + return 0; +} |