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Diffstat (limited to 'TAO/TAO_IDL/be/be_visitor_union_branch/public_assign_cs.cpp')
| -rw-r--r-- | TAO/TAO_IDL/be/be_visitor_union_branch/public_assign_cs.cpp | 627 |
1 files changed, 0 insertions, 627 deletions
diff --git a/TAO/TAO_IDL/be/be_visitor_union_branch/public_assign_cs.cpp b/TAO/TAO_IDL/be/be_visitor_union_branch/public_assign_cs.cpp deleted file mode 100644 index fa354d6e829..00000000000 --- a/TAO/TAO_IDL/be/be_visitor_union_branch/public_assign_cs.cpp +++ /dev/null @@ -1,627 +0,0 @@ -// -// $Id$ -// - -// ============================================================================ -// -// = LIBRARY -// TAO IDL -// -// = FILENAME -// public_assign_cs.cpp -// -// = DESCRIPTION -// Visitor generating code for Union Branch for the assignment operator -// -// = 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_assign_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_assign_cs::be_visitor_union_branch_public_assign_cs -(be_visitor_context *ctx) - : be_visitor_decl (ctx) -{ -} - -// destructor -be_visitor_union_branch_public_assign_cs::~be_visitor_union_branch_public_assign_cs -(void) -{ -} - -// visit the union_branch node -int -be_visitor_union_branch_public_assign_cs::visit_union_branch (be_union_branch *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 - - os = this->ctx_->stream (); - - // This visitor is used when we are generating the copy ctor and - // assignment operator for the union. - // Individual assignment of the members takes place inside a case - // statement because the type of member assigned is based on the value - // of the discriminant - os->indent (); - if (ub->label ()->label_val ()->ec () == AST_Expression::EC_symbol) - { - *os << "case " << ub->label ()->label_val ()->n () << ":" << be_nl; - *os << "{" << be_idt << "\n"; - } - else - { - *os << "case " << ub->label ()->label_val () << ":" << be_nl; - *os << "{" << be_idt << "\n"; - } - - // 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_assign_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_assign_cs::" - "visit_union_branch - " - "codegen for union_branch type failed\n" - ), -1); - } - *os << "}" << be_nl; - *os << "break;\n"; - return 0; -} - -// =visit operations on all possible data types that a union_branch can be - -int -be_visitor_union_branch_public_assign_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_assign_cs::" - "visit_array - " - "bad context information\n" - ), -1); - } - os = this->ctx_->stream (); - - // 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->fullname (), - bt->local_name ()->get_string ()); - } - else - { - ACE_OS::sprintf (fname, "_%s", bt->fullname ()); - } - } - else - { - // typedefed node - ACE_OS::sprintf (fname, "%s", bt->fullname ()); - } - - os->indent (); // start from current indentation - // set the discriminant to the appropriate label - if (ub->label ()->label_kind () == AST_UnionLabel::UL_label) - { - // valid label - *os << "// set the value" << be_nl; - *os << "// store current val in a _var so as to free " - << "it on an assignment" << be_nl; - *os << fname << "_var " << ub->local_name () - << "_var (this->u_." << ub->local_name () << "_);" << be_nl; - *os << "// make a deep copy" << be_nl; - *os << ub->local_name () << "_var = " << fname - << "_dup (u.u_." << ub->local_name () << "_);" << be_nl; - *os << "// the _var gives up ownership" << be_nl; - *os << "this->u_." << ub->local_name () << "_ = " - << ub->local_name () << "_var._retn ();" << be_uidt_nl; - } - else - { - // default label - // XXXASG - TODO - } - - return 0; -} - -int -be_visitor_union_branch_public_assign_cs::visit_enum (be_enum *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 - - if (!ub || !bu) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_visitor_union_branch_public_assign_cs::" - "visit_enum - " - "bad context information\n" - ), -1); - } - - TAO_OutStream *os = this->ctx_->stream (); - - os->indent (); // start from current indentation - // set the discriminant to the appropriate label - if (ub->label ()->label_kind () == AST_UnionLabel::UL_label) - { - // valid label - *os << "// set the value" << be_nl - << "this->u_." << ub->local_name () << "_ = u.u_." - << ub->local_name () << "_;" << be_uidt_nl; - } - else - { - // default label - // XXXASG - TODO - } - return 0; -} - -int -be_visitor_union_branch_public_assign_cs::visit_interface (be_interface *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_assign_cs::" - "visit_interface - " - "bad context information\n" - ), -1); - } - os = this->ctx_->stream (); - - os->indent (); // start from current indentation - // set the discriminant to the appropriate label - if (ub->label ()->label_kind () == AST_UnionLabel::UL_label) - { - // valid label - *os << "// set the value" << be_nl; - *os << "// store current val in a _var so as to free it on an assignment" - << be_nl; - *os << bt->name () << "_var " << ub->local_name () << "_var (this->u_." - << ub->local_name () << "_);" << be_nl; - *os << "// make a copy" << be_nl; - *os << ub->local_name () << "_var = " << bt->name () - << "::_duplicate (u.u_." << ub->local_name () << "_);" << be_nl; - *os << "// the _var gives up ownership" << be_nl; - *os << "this->u_." << ub->local_name () << "_ = " - << ub->local_name () << "_var._retn ();" << be_uidt_nl; - } - else - { - // default label - // XXXASG - TODO - } - return 0; -} - -int -be_visitor_union_branch_public_assign_cs::visit_interface_fwd (be_interface_fwd *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_assign_cs::" - "visit_interface_fwd - " - "bad context information\n" - ), -1); - } - os = this->ctx_->stream (); - - os->indent (); // start from current indentation - // set the discriminant to the appropriate label - if (ub->label ()->label_kind () == AST_UnionLabel::UL_label) - { - // valid label - *os << "// set the value" << be_nl; - *os << "// store current val in a _var so as to free it on an assignment" - << be_nl; - *os << bt->name () << "_var " << ub->local_name () << "_var (this->u_." - << ub->local_name () << "_);" << be_nl; - *os << "// make a copy" << be_nl; - *os << ub->local_name () << "_var = " << bt->name () - << "::_duplicate (u.u_." << ub->local_name () << "_);" << be_nl; - *os << "// the _var gives up ownership" << be_nl; - *os << "this->u_." << ub->local_name () << "_ = " - << ub->local_name () << "_var._retn ();" << be_uidt_nl; - } - else - { - // default label - // XXXASG - TODO - } - return 0; -} - -int -be_visitor_union_branch_public_assign_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_assign_cs::" - "visit_predefined_type - " - "bad context information\n" - ), -1); - } - os = this->ctx_->stream (); - - os->indent (); // start from current indentation - // set the discriminant to the appropriate label - if (ub->label ()->label_kind () == AST_UnionLabel::UL_label) - { - // valid label - switch (node->pt ()) - { - case AST_PredefinedType::PT_pseudo: - *os << "// set the value" << be_nl; - *os << "// store current val in a _var so as to free it on an assignment" - << be_nl; - *os << bt->name () << "_var " << ub->local_name () << "_var (this->u_." - << ub->local_name () << "_);" << be_nl; - *os << "// make a copy" << be_nl; - *os << ub->local_name () << "_var = " << bt->name () - << "::_duplicate (u.u_." << ub->local_name () << "_);" << be_nl; - *os << "// the _var gives up ownership" << be_nl; - *os << "this->u_." << ub->local_name () << "_ = " - << ub->local_name () << "_var._retn ();" << be_uidt_nl; - break; - case AST_PredefinedType::PT_any: - *os << "// set the value" << be_nl; - *os << "// store current val in a _var so as to free it on an assignment" - << be_nl; - *os << bt->name () << "_var " << ub->local_name () << "_var (this->u_." - << ub->local_name () << "_);" << be_nl; - *os << "// make a deep copy" << be_nl; - *os << ub->local_name () << "_var = new " << bt->name () - << " (*u.u_." << ub->local_name () << "_);" << be_nl; - *os << "// the _var gives up ownership" << be_nl; - *os << "this->u_." << ub->local_name () << "_ = " - << ub->local_name () << "_var._retn ();" << be_uidt_nl; - break; - case AST_PredefinedType::PT_void: - break; - default: - *os << "// set the value" << be_nl - << "this->u_." << ub->local_name () << "_ = u.u_." - << ub->local_name () << "_;" << be_uidt_nl; - break; - } - - } - else - { - // default label - // XXXASG - TODO - } - return 0; -} - -int -be_visitor_union_branch_public_assign_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_assign_cs::" - "visit_array - " - "bad context information\n" - ), -1); - } - os = this->ctx_->stream (); - - os->indent (); // start from current indentation - // set the discriminant to the appropriate label - if (ub->label ()->label_kind () == AST_UnionLabel::UL_label) - { - // valid label - *os << "// set the value" << be_nl; - *os << "// store current val in a _var so as to free it on an assignment" - << be_nl; - *os << bt->name () << "_var " << ub->local_name () << "_var (this->u_." - << ub->local_name () << "_);" << be_nl; - *os << "// make a deep copy" << be_nl; - *os << ub->local_name () << "_var = new " << bt->name () - << " (*u.u_." << ub->local_name () << "_);" << be_nl; - *os << "// the _var gives up ownership" << be_nl; - *os << "this->u_." << ub->local_name () << "_ = " - << ub->local_name () << "_var._retn ();" << be_uidt_nl; - } - else - { - // default label - // XXXASG - TODO - } - return 0; -} - -int -be_visitor_union_branch_public_assign_cs::visit_string (be_string *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 - - if (!ub || !bu) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_visitor_union_branch_public_assign_cs::" - "visit_array - " - "bad context information\n" - ), -1); - } - os = this->ctx_->stream (); - - os->indent (); // start from current indentation - // set the discriminant to the appropriate label - if (ub->label ()->label_kind () == AST_UnionLabel::UL_label) - { - // valid label - *os << "// set the value" << be_nl; - *os << "// store current val in a _var so as to free it on an assignment" - << be_nl; - *os << "CORBA::String_var " << ub->local_name () << "_var (this->u_." - << ub->local_name () << "_);" << be_nl; - *os << "// make a deep copy" << be_nl; - *os << ub->local_name () << "_var = CORBA::string_dup (u.u_." - << ub->local_name () << "_);" << be_nl; - *os << "// the _var gives up ownership" << be_nl; - *os << "this->u_." << ub->local_name () << "_ = " - << ub->local_name () << "_var._retn ();" << be_uidt_nl; - } - else - { - // default label - // XXXASG - TODO - } - return 0; -} - -int -be_visitor_union_branch_public_assign_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_assign_cs::" - "visit_array - " - "bad context information\n" - ), -1); - } - os = this->ctx_->stream (); - - os->indent (); // start from current indentation - // set the discriminant to the appropriate label - if (ub->label ()->label_kind () == AST_UnionLabel::UL_label) - { - // valid label - if (bt->size_type () == be_type::VARIABLE) - { - *os << "// set the value" << be_nl; - *os << "// store current val in a _var so as to free it on an assignment" - << be_nl; - *os << bt->name () << "_var " << ub->local_name () << "_var (this->u_." - << ub->local_name () << "_);" << be_nl; - *os << "// make a deep copy" << be_nl; - *os << ub->local_name () << "_var = new " << bt->name () - << " (*u.u_." << ub->local_name () << "_);" << be_nl; - *os << "// the _var gives up ownership" << be_nl; - *os << "this->u_." << ub->local_name () << "_ = " - << ub->local_name () << "_var._retn ();" << be_uidt_nl; - } - else - { - *os << "// set the value" << be_nl; - *os << "this->u_." << ub->local_name () << "_ = u.u_." - << ub->local_name () << "_;" << be_uidt_nl; - } - } - else - { - // default label - // XXXASG - TODO - } - return 0; -} - -int -be_visitor_union_branch_public_assign_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_assign_cs::" - "visit_typedef - " - "Bad primitive type\n" - ), -1); - } - - this->ctx_->alias (0); - return 0; -} - -int -be_visitor_union_branch_public_assign_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_assign_cs::" - "visit_array - " - "bad context information\n" - ), -1); - } - os = this->ctx_->stream (); - - os->indent (); // start from current indentation - // set the discriminant to the appropriate label - if (ub->label ()->label_kind () == AST_UnionLabel::UL_label) - { - // valid label - *os << "// set the value" << be_nl; - *os << "// store current val in a _var so as to free it on an assignment" - << be_nl; - *os << bt->name () << "_var " << ub->local_name () << "_var (this->u_." - << ub->local_name () << "_);" << be_nl; - *os << "// make a deep copy" << be_nl; - *os << ub->local_name () << "_var = new " << bt->name () - << " (*u.u_." << ub->local_name () << "_);" << be_nl; - *os << "// the _var gives up ownership" << be_nl; - *os << "this->u_." << ub->local_name () << "_ = " - << ub->local_name () << "_var._retn ();" << be_uidt_nl; - } - else - { - // default label - // XXXASG - TODO - } - return 0; -} |