diff options
Diffstat (limited to 'TAO/TAO_IDL/be/be_visitor_union_branch/public_access_cs.cpp')
| -rw-r--r-- | TAO/TAO_IDL/be/be_visitor_union_branch/public_access_cs.cpp | 446 |
1 files changed, 446 insertions, 0 deletions
diff --git a/TAO/TAO_IDL/be/be_visitor_union_branch/public_access_cs.cpp b/TAO/TAO_IDL/be/be_visitor_union_branch/public_access_cs.cpp new file mode 100644 index 00000000000..bce48e20e18 --- /dev/null +++ b/TAO/TAO_IDL/be/be_visitor_union_branch/public_access_cs.cpp @@ -0,0 +1,446 @@ +// +// $Id$ +// + +// ============================================================================ +// +// = LIBRARY +// TAO IDL +// +// = FILENAME +// public_access_cs.cpp +// +// = DESCRIPTION +// Visitor generating code for Union Branch in the client inline file. +// +// = AUTHOR +// Aniruddha Gokhale +// +// ============================================================================ + +#include "idl.h" +#include "idl_extern.h" +#include "be.h" + +#include "be_visitor_union_branch.h" + +ACE_RCSID(be_visitor_union_branch, public_access_cs, "$Id$") + + +// ***************************************************** +// visitor for union_branch in the client +// stubs file for the access method +// ***************************************************** + +// constructor +be_visitor_union_branch_public_access_cs:: +be_visitor_union_branch_public_access_cs (be_visitor_context *ctx) + : be_visitor_decl (ctx) +{ +} + +// destructor +be_visitor_union_branch_public_access_cs:: +~be_visitor_union_branch_public_access_cs (void) +{ +} + +// visit the union_branch node +int +be_visitor_union_branch_public_access_cs:: +visit_union_branch (be_union_branch *node) +{ + TAO_OutStream *os; + be_type *bt; // union_branch's type + + os = this->ctx_->stream (); + // first generate the type information + bt = be_type::narrow_from_decl (node->field_type ()); + if (!bt) + { + ACE_ERROR_RETURN ((LM_ERROR, + "(%N:%l) be_visitor_union_branch_cs::" + "visit_union_branch - " + "Bad union_branch type\n" + ), -1); + } + + this->ctx_->node (node); // save the node + + for (unsigned long i = 0; + i < node->label_list_length (); + ++i) + { + // check if we are printing the default case + if (node->label (i)->label_kind () == AST_UnionLabel::UL_default) + *os << "default:"; + else + { + *os << "case "; + node->gen_label_value (os, i); + *os << ":"; + } + if (i == (node->label_list_length () - 1)) + *os << be_idt_nl; + else + *os << be_nl; + } + + if (bt->accept (this) == -1) + { + ACE_ERROR_RETURN ((LM_ERROR, + "(%N:%l) be_visitor_union_branch_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_access_cs::visit_array (be_array *node) +{ + TAO_OutStream *os; // output stream + 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; + + // 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_access_cs::" + "visit_enum - " + "bad context information\n" + ), -1); + } + + // for anonymous arrays, the type name has a _ prepended. We compute the + // fullname 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 ()); + } + + os = this->ctx_->stream (); + *os << "if (alloc_flag)" << be_idt_nl + << "this->u_." << ub->local_name () << "_ = " << fname + << "_alloc ();" << be_uidt_nl + << "return this->u_." << ub->local_name () << "_;" << be_uidt_nl; + + return 0; +} + +int +be_visitor_union_branch_public_access_cs::visit_enum (be_enum *) +{ + 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 + + if (!ub || !bu) + { + ACE_ERROR_RETURN ((LM_ERROR, + "(%N:%l) be_visitor_union_branch_public_access_cs::" + "visit_enum - " + "bad context information\n" + ), -1); + } + TAO_OutStream *os = this->ctx_->stream (); + *os << "ACE_UNUSED_ARG (alloc_flag);" << be_nl + << "return &this->u_." << ub->local_name () << "_;" << be_uidt_nl; + + return 0; +} + +int +be_visitor_union_branch_public_access_cs::visit_interface (be_interface *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; + + // 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_access_cs::" + "visit_interface - " + "bad context information\n" + ), -1); + } + TAO_OutStream *os = this->ctx_->stream (); + *os << "if (alloc_flag)" << be_idt_nl + << "ACE_NEW_RETURN (this->u_." << ub->local_name () << "_, " + << "(" + << bt->name () << "_var), 0);" << be_uidt_nl + << "return this->u_." << ub->local_name () << "_;" << be_uidt_nl; + + return 0; +} + +int +be_visitor_union_branch_public_access_cs::visit_interface_fwd (be_interface_fwd *) +{ + 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 + + if (!ub || !bu) + { + ACE_ERROR_RETURN ((LM_ERROR, + "(%N:%l) be_visitor_union_branch_public_access_cs::" + "visit_interface - " + "bad context information\n" + ), -1); + } + TAO_OutStream *os = this->ctx_->stream (); + *os << "ACE_UNUSED_ARG (alloc_flag);" << be_nl + << "return (CORBA::Object_ptr) &this->u_." << ub->local_name () + << "_->inout ();" << be_uidt_nl; + + return 0; +} + +int +be_visitor_union_branch_public_access_cs::visit_predefined_type (be_predefined_type *node) +{ + TAO_OutStream *os; // output stream + 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; + + // 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_access_cs::" + "visit_interface - " + "bad context information\n" + ), -1); + } + os = this->ctx_->stream (); + + switch (node->pt ()) + { + case AST_PredefinedType::PT_pseudo: + *os << "ACE_UNUSED_ARG (alloc_flag);" << be_nl + << "return &this->u_." << ub->local_name () << "_;" << be_uidt_nl; + break; + case AST_PredefinedType::PT_any: + *os << "if (alloc_flag)" << be_idt_nl + << "ACE_NEW_RETURN (this->u_." << ub->local_name () + << "_, " << bt->name () << ", 0);" << be_uidt_nl + << "return this->u_." << ub->local_name () << "_;" << be_uidt_nl; + break; + case AST_PredefinedType::PT_void: + *os << "ACE_UNUSED_ARG (alloc_flag);" << be_nl; + break; + default: + *os << "ACE_UNUSED_ARG (alloc_flag);" << be_nl + << "return &this->u_." << ub->local_name () << "_;" << be_uidt_nl; + } + return 0; +} + +int +be_visitor_union_branch_public_access_cs::visit_sequence (be_sequence *node) +{ + TAO_OutStream *os; // output stream + 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; + + // 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_access_cs::" + "visit_sequence - " + "bad context information\n" + ), -1); + } + os = this->ctx_->stream (); + *os << "if (alloc_flag)" << be_idt_nl + << "ACE_NEW_RETURN (this->u_." << ub->local_name () + << "_, " << bt->name () << ", 0);" << be_uidt_nl + << "return this->u_." << ub->local_name () << "_;" << be_uidt_nl; + + return 0; +} + +int +be_visitor_union_branch_public_access_cs::visit_string (be_string *) +{ + 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 + + if (!ub || !bu) + { + ACE_ERROR_RETURN ((LM_ERROR, + "(%N:%l) be_visitor_union_branch_public_access_cs::" + "visit_string - " + "bad context information\n" + ), -1); + } + TAO_OutStream *os = this->ctx_->stream (); + *os << "ACE_UNUSED_ARG (alloc_flag);" << be_nl + << "return &this->u_." << ub->local_name () << "_;" << be_uidt_nl; + + return 0; +} + +int +be_visitor_union_branch_public_access_cs::visit_structure (be_structure *node) +{ + TAO_OutStream *os; // output stream + 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; + + // 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_access_cs::" + "visit_structure - " + "bad context information\n" + ), -1); + } + os = this->ctx_->stream (); + if (bt->size_type () == be_type::VARIABLE + || node->has_constructor ()) + { + *os << "if (alloc_flag)" << be_idt_nl + << "ACE_NEW_RETURN (this->u_." << ub->local_name () + << "_, " << bt->name () << ", 0);" << be_uidt_nl + << "return this->u_." << ub->local_name () << "_;" << be_uidt_nl; + } + else + { + *os << "ACE_UNUSED_ARG (alloc_flag);" << be_nl + << "return &this->u_." << ub->local_name () << "_;" << be_uidt_nl; + } + + return 0; +} + +int +be_visitor_union_branch_public_access_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_access_cs::" + "visit_typedef - " + "Bad primitive type\n" + ), -1); + } + + this->ctx_->alias (0); + return 0; +} + +int +be_visitor_union_branch_public_access_cs::visit_union (be_union *node) +{ + TAO_OutStream *os; // output stream + 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; + + // 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_access_cs::" + "visit_union - " + "bad context information\n" + ), -1); + } + os = this->ctx_->stream (); + *os << "if (alloc_flag)" << be_idt_nl + << "ACE_NEW_RETURN (this->u_." << ub->local_name () + << "_, " << bt->name () << ", 0);" << be_uidt_nl + << "return this->u_." << ub->local_name () << "_;" << be_uidt_nl; + + return 0; +} |