diff options
Diffstat (limited to 'ACE/TAO/TAO_IDL/fe/fe_declarator.cpp')
| -rw-r--r-- | ACE/TAO/TAO_IDL/fe/fe_declarator.cpp | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/ACE/TAO/TAO_IDL/fe/fe_declarator.cpp b/ACE/TAO/TAO_IDL/fe/fe_declarator.cpp new file mode 100644 index 00000000000..324f2dd4628 --- /dev/null +++ b/ACE/TAO/TAO_IDL/fe/fe_declarator.cpp @@ -0,0 +1,228 @@ +// $Id$ + +/* + +COPYRIGHT + +Copyright 1992, 1993, 1994 Sun Microsystems, Inc. Printed in the United +States of America. All Rights Reserved. + +This product is protected by copyright and distributed under the following +license restricting its use. + +The Interface Definition Language Compiler Front End (CFE) is made +available for your use provided that you include this license and copyright +notice on all media and documentation and the software program in which +this product is incorporated in whole or part. You may copy and extend +functionality (but may not remove functionality) of the Interface +Definition Language CFE without charge, but you are not authorized to +license or distribute it to anyone else except as part of a product or +program developed by you or with the express written consent of Sun +Microsystems, Inc. ("Sun"). + +The names of Sun Microsystems, Inc. and any of its subsidiaries or +affiliates may not be used in advertising or publicity pertaining to +distribution of Interface Definition Language CFE as permitted herein. + +This license is effective until terminated by Sun for failure to comply +with this license. Upon termination, you shall destroy or return all code +and documentation for the Interface Definition Language CFE. + +INTERFACE DEFINITION LANGUAGE CFE IS PROVIDED AS IS WITH NO WARRANTIES OF +ANY KIND INCLUDING THE WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS +FOR A PARTICULAR PURPOSE, NONINFRINGEMENT, OR ARISING FROM A COURSE OF +DEALING, USAGE OR TRADE PRACTICE. + +INTERFACE DEFINITION LANGUAGE CFE IS PROVIDED WITH NO SUPPORT AND WITHOUT +ANY OBLIGATION ON THE PART OF Sun OR ANY OF ITS SUBSIDIARIES OR AFFILIATES +TO ASSIST IN ITS USE, CORRECTION, MODIFICATION OR ENHANCEMENT. + +SUN OR ANY OF ITS SUBSIDIARIES OR AFFILIATES SHALL HAVE NO LIABILITY WITH +RESPECT TO THE INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY +INTERFACE DEFINITION LANGUAGE CFE OR ANY PART THEREOF. + +IN NO EVENT WILL SUN OR ANY OF ITS SUBSIDIARIES OR AFFILIATES BE LIABLE FOR +ANY LOST REVENUE OR PROFITS OR OTHER SPECIAL, INDIRECT AND CONSEQUENTIAL +DAMAGES, EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + +Use, duplication, or disclosure by the government is subject to +restrictions as set forth in subparagraph (c)(1)(ii) of the Rights in +Technical Data and Computer Software clause at DFARS 252.227-7013 and FAR +52.227-19. + +Sun, Sun Microsystems and the Sun logo are trademarks or registered +trademarks of Sun Microsystems, Inc. + +SunSoft, Inc. +2550 Garcia Avenue +Mountain View, California 94043 + +NOTE: + +SunOS, SunSoft, Sun, Solaris, Sun Microsystems or the Sun logo are +trademarks or registered trademarks of Sun Microsystems, Inc. + +*/ + +#include "fe_declarator.h" + +#include "ast_array.h" +#include "ast_param_holder.h" + +#include "utl_err.h" +#include "global_extern.h" +#include "nr_extern.h" + +#include "ace/config-all.h" + +FE_Declarator::FE_Declarator (UTL_ScopedName *n, + DeclaratorType dt, + AST_Decl *cp) + : pd_complex_part (cp), + pd_decl_type (dt) +{ + this->pd_name = n; +} + +// Compose the type of the complex declarator (if any) with the base +// type supplied in ct. +AST_Type * +FE_Declarator::compose (AST_Decl *d) +{ + AST_Type *ct = AST_Type::narrow_from_decl (d); + + if (ct == 0) + { + idl_global->err ()->not_a_type (d); + return 0; + } + else if (ct->node_type () == AST_Decl::NT_param_holder) + { + AST_Param_Holder *ph = + AST_Param_Holder::narrow_from_decl (ct); + + // Every other template parameter kind is legal. + if (ph->info ()->type_ == AST_Decl::NT_const) + { + idl_global->err ()->not_a_type (d); + return 0; + } + } + + AST_Decl::NodeType nt = d->node_type (); + + if (nt == AST_Decl::NT_struct_fwd + || nt == AST_Decl::NT_union_fwd + || nt == AST_Decl::NT_struct + || nt == AST_Decl::NT_union) + { + if (! ct->is_defined ()) + { + idl_global->err ()->error1 (UTL_Error::EIDL_ILLEGAL_ADD, + d); + + return 0; + } + } + + AST_Array *arr = 0; + + // All uses of forward declared types must + // not have a different prefix from the place of declaration. + if (!ct->is_defined ()) + { + const char *original_prefix = d->prefix (); + AST_Decl *scope = d; + + // Maybe the prefix hasn't been applied yet. + while (ACE_OS::strcmp (original_prefix, "") == 0) + { + scope = ScopeAsDecl (scope->defined_in ()); + + // Are we at global scope? + if (scope == 0) + { + break; + } + + original_prefix = scope->prefix (); + } + + // Skip if the pointers are the same. + if (d->prefix () != original_prefix) + { + d->prefix (const_cast<char *> (original_prefix)); + } + + // (JP) This could give a bogus error, since typeprefix can + // appear any time after the corresponding declaration. + // The right way to do this is with a separate traversal + // after the entire AST is built. + /* + char *current_prefix = 0; + idl_global->pragma_prefixes ().top (current_prefix); + + if (current_prefix != 0 + && ACE_OS::strcmp (current_prefix, d->prefix ()) != 0) + { + idl_global->err ()->error1 (UTL_Error::EIDL_PREFIX_CONFLICT, + d); + + return 0; + } + */ + } + + if (this->pd_decl_type == FD_simple || this->pd_complex_part == 0) + { + return ct; + } + + if (this->pd_complex_part->node_type () == AST_Decl::NT_array) + { + arr = AST_Array::narrow_from_decl (this->pd_complex_part); + + // The base type of an array isn't set until after the array + // has been created, so the check below gets done at this point. + arr->set_base_type (ct); + AST_Decl::NodeType nt = ct->unaliased_type ()->node_type (); + + if (nt == AST_Decl::NT_string || nt == AST_Decl::NT_wstring) + { + idl_global->string_member_seen_ = true; + } + + return arr; + } + + // We shouldn't get here. + return 0; +} + +void +FE_Declarator::destroy (void) +{ + this->pd_name->destroy (); + delete this->pd_name; + this->pd_name = 0; +} + +// Data accessors. + +AST_Decl * +FE_Declarator::complex_part (void) +{ + return this->pd_complex_part; +} + +UTL_ScopedName * +FE_Declarator::name (void) +{ + return this->pd_name; +} + +FE_Declarator::DeclaratorType +FE_Declarator::decl_type (void) +{ + return this->pd_decl_type; +} |