summaryrefslogtreecommitdiff
path: root/trunk/TAO/TAO_IDL/be/be_visitor_typedef/typedef_ch.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'trunk/TAO/TAO_IDL/be/be_visitor_typedef/typedef_ch.cpp')
-rw-r--r--trunk/TAO/TAO_IDL/be/be_visitor_typedef/typedef_ch.cpp649
1 files changed, 649 insertions, 0 deletions
diff --git a/trunk/TAO/TAO_IDL/be/be_visitor_typedef/typedef_ch.cpp b/trunk/TAO/TAO_IDL/be/be_visitor_typedef/typedef_ch.cpp
new file mode 100644
index 00000000000..1b0731237b2
--- /dev/null
+++ b/trunk/TAO/TAO_IDL/be/be_visitor_typedef/typedef_ch.cpp
@@ -0,0 +1,649 @@
+//
+// $Id$
+//
+
+// ============================================================================
+//
+// = LIBRARY
+// TAO IDL
+//
+// = FILENAME
+// typedef_ch.cpp
+//
+// = DESCRIPTION
+// Visitor generating code for Typedef in the client header
+//
+// = AUTHOR
+// Aniruddha Gokhale
+//
+// ============================================================================
+
+ACE_RCSID(be_visitor_typedef,
+ typedef_ch,
+ "$Id$")
+
+// ******************************************************
+// Typedef visitor for client header
+// ******************************************************
+
+be_visitor_typedef_ch::be_visitor_typedef_ch (be_visitor_context *ctx)
+ : be_visitor_typedef (ctx)
+{
+}
+
+be_visitor_typedef_ch::~be_visitor_typedef_ch (void)
+{
+}
+
+int
+be_visitor_typedef_ch::visit_typedef (be_typedef *node)
+{
+ // In general, we may have a chain of typedefs. i.e.,
+ // typedef sequence<long> X;
+ // typedef X Y;
+ // typedef Y Z; and so on
+ // The first time we will be in will be for node Z for which the code
+ // generation has to take place. However, it is not enough to just generate
+ // code that looks like -
+ // typedef Y Z;
+ // For different types (in this case we have a sequence), we will need
+ // typedefs for the _var and _out types for Z. If it had been an array, we
+ // will additionally have the _forany type as well as inlined *_alloc, _dup,
+ // and _free methods.
+ //
+ // Finally, we need to differentiate between the case where we were
+ // generating code for
+ // typedef sequence<long> X; and
+ // typedef Y Z; where Y was somehow aliased to the sequence. In the former
+ // case, we will need to generate all the code for sequence<long> or whatever
+ // the type maybe. In the latter, we just need typedefs for the type and all
+ // associated _var, _out, and other types.
+
+ be_type *bt;
+
+ if (this->ctx_->tdef ())
+ {
+ // The fact that we are here indicates that we were generating code for
+ // a typedef node whose base type also happens to be another typedefed
+ // (i.e. an alias) node for another (possibly alias) node.
+
+ this->ctx_->alias (node);
+
+ // Grab the most primitive base type in the chain to avoid recusrsively
+ // going thru this visit method.
+ bt = node->primitive_base_type ();
+
+ if (!bt)
+ {
+ ACE_ERROR_RETURN ((LM_ERROR,
+ "(%N:%l) be_visitor_typedef_ch::"
+ "visit_typedef - "
+ "bad primitive base type\n"),
+ -1);
+ }
+
+ // Accept on this base type, but generate code for the typedef node.
+ if (bt->accept (this) == -1)
+ {
+ ACE_ERROR_RETURN ((LM_ERROR,
+ "(%N:%l) be_visitor_typedef_ch::"
+ "visit_typedef - "
+ "failed to accept visitor\n"),
+ -1);
+ }
+
+ this->ctx_->alias (0);
+ }
+ else
+ {
+ // The context has not stored any "tdef" node. So we must be in here for
+ // the first time.
+ this->ctx_->tdef (node);
+
+ // Grab the immediate base type node.
+ bt = be_type::narrow_from_decl (node->base_type ());
+
+ if (!bt)
+ {
+ ACE_ERROR_RETURN ((LM_ERROR,
+ "(%N:%l) be_visitor_typedef_ch::"
+ "visit_typedef - "
+ "bad base type\n"),
+ -1);
+ }
+
+ // accept on this base type, but generate code for the typedef node.
+ if (bt->accept (this) == -1)
+ {
+ ACE_ERROR_RETURN ((LM_ERROR,
+ "(%N:%l) be_visitor_typedef_ch::"
+ "visit_typedef - "
+ "failed to accept visitor\n"),
+ -1);
+ }
+
+ // Generate the typecode decl for this typedef node.
+ if (!node->imported () && be_global->tc_support ())
+ {
+ be_visitor_context ctx (*this->ctx_);
+ be_visitor_typecode_decl visitor (&ctx);
+
+ if (node->accept (&visitor) == -1)
+ {
+ ACE_ERROR_RETURN ((LM_ERROR,
+ "(%N:%l) be_visitor_typedef_ch::"
+ "visit_typedef - "
+ "TypeCode declaration failed\n"),
+ -1);
+ }
+ }
+
+ this->ctx_->tdef (0);
+ }
+
+ return 0;
+}
+
+int
+be_visitor_typedef_ch::visit_array (be_array *node)
+{
+ TAO_OutStream *os = this->ctx_->stream ();
+ be_typedef *tdef = this->ctx_->tdef ();
+ be_decl *scope = this->ctx_->scope ();
+ be_type *bt;
+
+ // Is the base type an alias to an array node or an actual array node.
+ if (this->ctx_->alias ())
+ {
+ bt = this->ctx_->alias ();
+ }
+ else
+ {
+ bt = node;
+ }
+
+ // Is our base type an array node? If so, generate code for that array node.
+ // In the first layer of typedef for an array, cli_hdr_gen() causes us to
+ // skip all the code reached from the first branch. Then the ELSE branch is
+ // skipped and we fail to generate any typedefs for that node. Adding the
+ // check for cli_hdr_gen() to the IF statement keeps it in. Subsequent
+ // layers of typedef, if any, assign the context alias to bt, so we go
+ // straight to the ELSE branch.
+ if (bt->node_type () == AST_Decl::NT_array && bt->cli_hdr_gen () == 0)
+ {
+ // Let the base class visitor handle this case.
+ if (this->be_visitor_typedef::visit_array (node) == -1)
+ {
+ ACE_ERROR_RETURN ((LM_ERROR,
+ "(%N:%l) be_visitor_typedef_ch::"
+ "visit_array - "
+ "base class visitor failed \n"),
+ -1);
+ }
+ }
+ else
+ {
+ *os << be_nl << be_nl << "// TAO_IDL - Generated from" << be_nl
+ << "// " << __FILE__ << ":" << __LINE__ << be_nl << be_nl;
+
+ // Base type is simply an alias to an array node. Simply output the
+ // required typedefs.
+
+ // Typedef the type and the _slice type.
+ *os << "typedef " << bt->nested_type_name (scope)
+ << " " << tdef->nested_type_name (scope) << ";" << be_nl;
+ *os << "typedef " << bt->nested_type_name (scope, "_slice")
+ << " " << tdef->nested_type_name (scope, "_slice") << ";" << be_nl;
+ // Typedef the _var, _out, _tag types.
+ *os << "typedef " << bt->nested_type_name (scope, "_var")
+ << " " << tdef->nested_type_name (scope, "_var") << ";" << be_nl;
+ *os << "typedef " << bt->nested_type_name (scope, "_out")
+ << " " << tdef->nested_type_name (scope, "_out") << ";" << be_nl;
+ *os << "typedef " << bt->nested_type_name (scope, "_tag")
+ << " " << tdef->nested_type_name (scope, "_tag") << ";" << be_nl;
+ *os << "typedef " << bt->nested_type_name (scope, "_forany")
+ << " " << tdef->nested_type_name (scope, "_forany") << ";" << be_nl;
+
+ // The _alloc, _dup, copy, and free methods
+
+ // Since the function nested_type_name() contains a static buffer,
+ // we can have only one call to it from any instantiation per stream
+ // output statement.
+
+ const char *static_decl = "";
+ AST_Module *scope = AST_Module::narrow_from_scope (tdef->defined_in ());
+
+ // If the typedef is not declared globally or in a module, the
+ // associated array memory management function must be static.
+ if (scope == 0)
+ {
+ static_decl = "static ";
+ }
+
+ const char *td_name = tdef->nested_type_name (scope);
+
+ // If the array and the typedef are both declared inside
+ // an interface or valuetype, for example, nested_type_name()
+ // generates the scoped name, which, for the header file,
+ // causes problems with some compilers. If the array and
+ // the typedef are in different scopes of a reopened
+ // module, nested_type_name() will generate the local
+ // name for each, which is ok.
+ if (tdef->defined_in () == node->defined_in ())
+ {
+ td_name = tdef->local_name ()->get_string ();
+ }
+
+ // _alloc
+ *os << be_nl
+ << "ACE_INLINE " << static_decl << be_nl
+ << td_name << "_slice *" << be_nl
+ << td_name << "_alloc (void);" << be_nl;
+ // _dup
+ *os << be_nl
+ << "ACE_INLINE " << static_decl << be_nl
+ << td_name << "_slice *" << be_nl
+ << td_name << "_dup (" << be_idt << be_idt_nl
+ << "const " << td_name << "_slice *_tao_slice" << be_uidt_nl
+ << ");" << be_uidt_nl;
+ // _copy
+ *os << be_nl
+ << "ACE_INLINE " << static_decl << be_nl
+ << "void " << td_name << "_copy (" << be_idt << be_idt_nl
+ << td_name << "_slice *_tao_to," << be_nl
+ << "const " << td_name << "_slice *_tao_from" << be_uidt_nl
+ << ");" << be_uidt_nl;
+ // _free
+ *os << be_nl
+ << "ACE_INLINE " << static_decl << be_nl
+ << "void " << td_name << "_free (" << be_idt << be_idt_nl
+ << td_name << "_slice *_tao_slice" << be_uidt_nl
+ << ");" << be_uidt;
+ }
+
+ return 0;
+}
+
+int
+be_visitor_typedef_ch::visit_enum (be_enum *node)
+{
+ TAO_OutStream *os = this->ctx_->stream ();
+ be_typedef *tdef = this->ctx_->tdef ();
+ be_decl *scope = this->ctx_->scope ();
+ be_type *bt;
+
+ // Typedef of a typedef?
+ if (this->ctx_->alias ())
+ {
+ bt = this->ctx_->alias ();
+ }
+ else
+ {
+ bt = node;
+ }
+
+ if (bt->node_type () == AST_Decl::NT_enum)
+ {
+ // Let the base class visitor handle this case.
+ if (this->be_visitor_typedef::visit_enum (node) == -1)
+ {
+ ACE_ERROR_RETURN ((LM_ERROR,
+ "(%N:%l) be_visitor_typedef_ch::"
+ "visit_enum - "
+ "base class visitor failed \n"),
+ -1);
+ }
+ }
+
+ *os << be_nl << be_nl << "// TAO_IDL - Generated from" << be_nl
+ << "// " << __FILE__ << ":" << __LINE__ << be_nl << be_nl;
+
+ // typedef the type and the _slice type.
+ *os << "typedef " << bt->nested_type_name (scope)
+ << " " << tdef->nested_type_name (scope) << ";" << be_nl;
+ // Typedef the _out
+ *os << "typedef " << bt->nested_type_name (scope, "_out")
+ << " " << tdef->nested_type_name (scope, "_out") << ";";
+
+ return 0;
+}
+
+int
+be_visitor_typedef_ch::visit_interface (be_interface *node)
+{
+ TAO_OutStream *os = this->ctx_->stream ();
+ be_typedef *tdef = this->ctx_->tdef ();
+ be_decl *scope = this->ctx_->scope ();
+ be_type *bt;
+
+ // Typedef of a typedef?
+ if (this->ctx_->alias ())
+ {
+ bt = this->ctx_->alias ();
+ }
+ else
+ {
+ bt = node;
+ }
+
+ *os << be_nl << be_nl << "// TAO_IDL - Generated from" << be_nl
+ << "// " << __FILE__ << ":" << __LINE__ << be_nl << be_nl;
+
+ // Typedef the object.
+ *os << "typedef " << bt->nested_type_name (scope) << " "
+ << tdef->nested_type_name (scope) << ";" << be_nl;
+
+ // Typedef the _ptr.
+ *os << "typedef " << bt->nested_type_name (scope, "_ptr")
+ << " " << tdef->nested_type_name (scope, "_ptr") << ";" << be_nl;
+
+ // Typedef the _var.
+ *os << "typedef " << bt->nested_type_name (scope, "_var")
+ << " " << tdef->nested_type_name (scope, "_var") << ";" << be_nl;
+
+ // typedef the _out
+ *os << "typedef " << bt->nested_type_name (scope, "_out")
+ << " " << tdef->nested_type_name (scope, "_out") << ";" << be_nl;
+
+ return 0;
+}
+
+int
+be_visitor_typedef_ch::visit_interface_fwd (be_interface_fwd *)
+{
+// be_interface *fd =
+// be_interface::narrow_from_decl (node->full_definition ());
+// return this->visit_interface (fd);
+ return 0;
+}
+
+int
+be_visitor_typedef_ch::visit_predefined_type (be_predefined_type *node)
+{
+ TAO_OutStream *os = this->ctx_->stream ();
+ be_typedef *tdef = this->ctx_->tdef ();
+ be_decl *scope = this->ctx_->scope ();
+ be_type *bt;
+
+ // Typedef of a typedef?
+ if (this->ctx_->alias ())
+ {
+ bt = this->ctx_->alias ();
+ }
+ else
+ {
+ bt = node;
+ }
+
+ *os << be_nl << be_nl << "// TAO_IDL - Generated from" << be_nl
+ << "// " << __FILE__ << ":" << __LINE__ << be_nl << be_nl;
+
+ // Typedef the type.
+ *os << "typedef " << bt->nested_type_name (scope)
+ << " " << tdef->nested_type_name (scope) << ";" << be_nl;
+
+ AST_PredefinedType::PredefinedType pt = node->pt ();
+
+ if (pt == AST_PredefinedType::PT_pseudo
+ || pt == AST_PredefinedType::PT_any
+ || pt == AST_PredefinedType::PT_object)
+ {
+ // Typedef the _ptr and _var.
+ *os << "typedef " << bt->nested_type_name (scope, "_ptr")
+ << " " << tdef->nested_type_name (scope, "_ptr") << ";" << be_nl;
+ *os << "typedef " << bt->nested_type_name (scope, "_var")
+ << " " << tdef->nested_type_name (scope, "_var") << ";" << be_nl;
+ }
+
+ // Typedef the _out.
+ *os << "typedef " << bt->nested_type_name (scope, "_out")
+ << " " << tdef->nested_type_name (scope, "_out") << ";";
+
+ return 0;
+}
+
+int
+be_visitor_typedef_ch::visit_string (be_string *node)
+{
+ TAO_OutStream *os = this->ctx_->stream ();
+ be_typedef *tdef = this->ctx_->tdef ();
+ be_decl *scope = this->ctx_->scope ();
+
+ *os << be_nl << be_nl << "// TAO_IDL - Generated from" << be_nl
+ << "// " << __FILE__ << ":" << __LINE__ << be_nl << be_nl;
+
+ if (node->width () == (long) sizeof (char))
+ {
+ *os << "typedef char *"
+ << " " << tdef->nested_type_name (scope) << ";" << be_nl;
+ // Typedef the _var and _out types.
+ *os << "typedef ::CORBA::String_var"
+ << " " << tdef->nested_type_name (scope, "_var") << ";" << be_nl;
+ *os << "typedef ::CORBA::String_out"
+ << " " << tdef->nested_type_name (scope, "_out") << ";";
+ }
+ else
+ {
+ *os << "typedef ::CORBA::WChar *"
+ << " " << tdef->nested_type_name (scope) << ";" << be_nl;
+ // Typedef the _var and _out types.
+ *os << "typedef ::CORBA::WString_var"
+ << " " << tdef->nested_type_name (scope, "_var") << ";" << be_nl;
+ *os << "typedef ::CORBA::WString_out"
+ << " " << tdef->nested_type_name (scope, "_out") << ";";
+ }
+
+ return 0;
+}
+
+int
+be_visitor_typedef_ch::visit_sequence (be_sequence *node)
+{
+ TAO_OutStream *os = this->ctx_->stream ();
+ be_typedef *tdef = this->ctx_->tdef ();
+ be_decl *scope = this->ctx_->scope ();
+ be_type *bt;
+
+ // Typedef of a typedef?
+ if (this->ctx_->alias ())
+ {
+ bt = this->ctx_->alias ();
+ }
+ else
+ {
+ bt = node;
+ }
+
+ if (bt->node_type () == AST_Decl::NT_sequence)
+ {
+ // Let the base class visitor handle this case.
+ if (this->be_visitor_typedef::visit_sequence (node) == -1)
+ {
+ ACE_ERROR_RETURN ((LM_ERROR,
+ "(%N:%l) be_visitor_typedef_ch::"
+ "visit_sequence - "
+ "base class visitor failed \n"),
+ -1);
+ }
+ }
+ else
+ {
+ *os << be_nl << be_nl << "// TAO_IDL - Generated from" << be_nl
+ << "// " << __FILE__ << ":" << __LINE__ << be_nl << be_nl;
+
+ // Typedef the type.
+ *os << "typedef " << bt->nested_type_name (scope)
+ << " " << tdef->nested_type_name (scope) << ";" << be_nl;
+ // Typedef the _var and _out types.
+ *os << "typedef " << bt->nested_type_name (scope, "_var")
+ << " " << tdef->nested_type_name (scope, "_var") << ";" << be_nl;
+ *os << "typedef " << bt->nested_type_name (scope, "_out")
+ << " " << tdef->nested_type_name (scope, "_out") << ";";
+ }
+
+ return 0;
+}
+
+int
+be_visitor_typedef_ch::visit_structure (be_structure *node)
+{
+ TAO_OutStream *os = this->ctx_->stream ();
+ be_typedef *tdef = this->ctx_->tdef ();
+ be_decl *scope = this->ctx_->scope ();
+ be_type *bt;
+
+ // Typedef of a typedef?
+ if (this->ctx_->alias ())
+ {
+ bt = this->ctx_->alias ();
+ }
+ else
+ {
+ bt = node;
+ }
+
+ if (bt->node_type () == AST_Decl::NT_struct)
+ {
+ // Let the base class visitor handle this case
+ if (this->be_visitor_typedef::visit_structure (node) == -1)
+ {
+ ACE_ERROR_RETURN ((LM_ERROR,
+ "(%N:%l) be_visitor_typedef_ch::"
+ "visit_structure - "
+ "base class visitor failed \n"),
+ -1);
+ }
+ }
+
+ *os << be_nl << be_nl << "// TAO_IDL - Generated from" << be_nl
+ << "// " << __FILE__ << ":" << __LINE__ << be_nl << be_nl;
+
+ // Typedef the type.
+ *os << "typedef " << bt->nested_type_name (scope)
+ << " " << tdef->nested_type_name (scope) << ";" << be_nl;
+ // typedef the _var and _out types.
+ *os << "typedef " << bt->nested_type_name (scope, "_var")
+ << " " << tdef->nested_type_name (scope, "_var") << ";" << be_nl;
+ *os << "typedef " << bt->nested_type_name (scope, "_out")
+ << " " << tdef->nested_type_name (scope, "_out") << ";";
+
+ return 0;
+}
+
+int
+be_visitor_typedef_ch::visit_union (be_union *node)
+{
+ TAO_OutStream *os = this->ctx_->stream ();
+ be_typedef *tdef = this->ctx_->tdef ();
+ be_decl *scope = this->ctx_->scope ();
+ be_type *bt;
+
+ // Typedef of a typedef?
+ if (this->ctx_->alias ())
+ {
+ bt = this->ctx_->alias ();
+ }
+ else
+ {
+ bt = node;
+ }
+
+ if (bt->node_type () == AST_Decl::NT_union)
+ {
+ // Let the base class visitor handle this case.
+ if (this->be_visitor_typedef::visit_union (node) == -1)
+ {
+ ACE_ERROR_RETURN ((LM_ERROR,
+ "(%N:%l) be_visitor_typedef_ch::"
+ "visit_union - "
+ "base class visitor failed \n"),
+ -1);
+ }
+ }
+
+ *os << be_nl << be_nl << "// TAO_IDL - Generated from" << be_nl
+ << "// " << __FILE__ << ":" << __LINE__ << be_nl << be_nl;
+
+ // Typedef the type.
+ *os << "typedef " << bt->nested_type_name (scope)
+ << " " << tdef->nested_type_name (scope) << ";" << be_nl;
+ // Typedef the _var and _out types.
+ *os << "typedef " << bt->nested_type_name (scope, "_var")
+ << " " << tdef->nested_type_name (scope, "_var") << ";" << be_nl;
+ *os << "typedef " << bt->nested_type_name (scope, "_out")
+ << " " << tdef->nested_type_name (scope, "_out") << ";";
+
+ return 0;
+}
+
+int
+be_visitor_typedef_ch::visit_valuebox (be_valuebox *node)
+{
+ TAO_OutStream *os = this->ctx_->stream ();
+ be_typedef *tdef = this->ctx_->tdef ();
+ be_decl *scope = this->ctx_->scope ();
+ be_type *bt;
+
+ // Typedef of a typedef?
+ if (this->ctx_->alias ())
+ {
+ bt = this->ctx_->alias ();
+ }
+ else
+ {
+ bt = node;
+ }
+
+ *os << be_nl << be_nl << "// TAO_IDL - Generated from" << be_nl
+ << "// " << __FILE__ << ":" << __LINE__ << be_nl << be_nl;
+
+ // Typedef the object.
+ *os << "typedef " << bt->nested_type_name (scope) << " "
+ << tdef->nested_type_name (scope) << ";" << be_nl;
+
+ // Typedef the _var.
+ *os << "typedef " << bt->nested_type_name (scope, "_var")
+ << " " << tdef->nested_type_name (scope, "_var") << ";" << be_nl;
+
+ // typedef the _out
+ *os << "typedef " << bt->nested_type_name (scope, "_out")
+ << " " << tdef->nested_type_name (scope, "_out") << ";" << be_nl;
+
+ return 0;
+}
+
+int
+be_visitor_typedef_ch::visit_valuetype (be_valuetype *node)
+{
+ TAO_OutStream *os = this->ctx_->stream ();
+ be_typedef *tdef = this->ctx_->tdef ();
+ be_decl *scope = this->ctx_->scope ();
+ be_type *bt;
+
+ // Typedef of a typedef?
+ if (this->ctx_->alias ())
+ {
+ bt = this->ctx_->alias ();
+ }
+ else
+ {
+ bt = node;
+ }
+
+ *os << be_nl << be_nl << "// TAO_IDL - Generated from" << be_nl
+ << "// " << __FILE__ << ":" << __LINE__ << be_nl << be_nl;
+
+ // Typedef the object.
+ *os << "typedef " << bt->nested_type_name (scope) << " "
+ << tdef->nested_type_name (scope) << ";" << be_nl;
+
+ // Typedef the _var.
+ *os << "typedef " << bt->nested_type_name (scope, "_var")
+ << " " << tdef->nested_type_name (scope, "_var") << ";" << be_nl;
+
+ // typedef the _out
+ *os << "typedef " << bt->nested_type_name (scope, "_out")
+ << " " << tdef->nested_type_name (scope, "_out") << ";" << be_nl;
+
+ return 0;
+}