// This may look like C, but it's really -*- C++ -*- // $Id$ /* 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. */ #ifndef _AST_INTERFACE_AST_INTERFACE_HH #define _AST_INTERFACE_AST_INTERFACE_HH // NOTE: add (AST_EnumValue *) is defined here because enums can // be defined manifest locally; the constants defined in these // enums are inserted in the enclosing scope. #include "ast_type.h" #include "utl_scope.h" class TAO_IDL_FE_Export AST_Interface : public virtual AST_Type, public virtual UTL_Scope { public: AST_Interface (void); AST_Interface (UTL_ScopedName *n, AST_Type **ih, long nih, AST_Interface **ih_flat, long nih_flat, bool local, bool abstract); virtual ~AST_Interface (void); // This serves for interfaces, value types, components, and eventtypes. static void fwd_redefinition_helper (AST_Interface *&i, UTL_Scope *s); // Overridden for valuetypes, components, and eventtypes. virtual void redefine (AST_Interface *from); AST_Type **inherits (void) const; long n_inherits (void) const; AST_Interface **inherits_flat (void) const; long n_inherits_flat (void) const; ACE_Unbounded_Queue &get_insert_queue (void); ACE_Unbounded_Queue &get_del_queue (void); AST_Operation *be_add_operation (AST_Operation *); void be_replace_operation (AST_Decl *old_op, AST_Decl *new_op); // Is this interface defined? This predicate returns FALSE when an // interface was forward declared but not defined yet, and TRUE in // all other cases. bool is_defined (void); // Check if we have redefined any of our parents' operations or attributes, // and check if there is such a clash among the parents bool redef_clash (void); // Accessors for the member. bool home_equiv (void) const; void home_equiv (bool val); // Accessors for the member. AST_InterfaceFwd *fwd_decl (void) const; void fwd_decl (AST_InterfaceFwd *node); // Look through inherited interfaces. virtual AST_Decl *look_in_inherited (UTL_ScopedName *e, bool treat_as_ref); // Recursively called on valuetype to check for legal use as // a primary key. Overridden for valuetype, struct, sequence, // union, array, typedef, and interface. virtual bool legal_for_primary_key (void) const; // Cleanup function. virtual void destroy (void); // Narrowing. DEF_NARROW_FROM_DECL(AST_Interface); DEF_NARROW_FROM_SCOPE(AST_Interface); // AST Dumping. virtual void dump (ACE_OSTREAM_TYPE &o); // Visiting. virtual int ast_accept (ast_visitor *visitor); protected: // Data. // Immediate ancestors. AST_Type **pd_inherits; long pd_n_inherits; // All ancestors. AST_Interface **pd_inherits_flat; long pd_n_inherits_flat; // Queue data structure needed for breadth-first traversal of // inheritance tree. ACE_Unbounded_Queue insert_queue; // For a special case of a deeply nested inheritance graph and one specific // way of inheritance in which a node that was already visited, // but is not present in // the queue, gets inserted at the tail. This situation arises when a node // multiply inherits from two or more interfaces in which the first parent is // higher up in the tree than the second parent. In addition, if the second // parent turns out to be a child of the first . // Queue of dequeued nodes to be searched for the above case. ACE_Unbounded_Queue del_queue; // Are we the equivalent interface of a home? bool home_equiv_; // The forward declaration we may have been created from. AST_InterfaceFwd *fwd_decl_; // Must keep these base interface placeholders in a separate // container, so they can be destroyed. Iterating over // pd_inherits won't work because the real interfaces will // probably already be destroyed and the pointers will be // garbage. ACE_Unbounded_Queue param_holders_; protected: // Scope Management Protocol. friend int tao_yyparse (void); friend class IDL_GlobalData; virtual AST_Constant *fe_add_constant (AST_Constant *c); virtual AST_Exception *fe_add_exception (AST_Exception *e); virtual AST_Attribute *fe_add_attribute (AST_Attribute *a); virtual AST_Field *fe_add_field (AST_Field *o); virtual AST_Operation *fe_add_operation (AST_Operation *o); virtual AST_Union *fe_add_union (AST_Union *u); virtual AST_Structure *fe_add_structure (AST_Structure *s); virtual AST_UnionFwd *fe_add_union_fwd (AST_UnionFwd *u); virtual AST_StructureFwd *fe_add_structure_fwd (AST_StructureFwd *s); virtual AST_Enum *fe_add_enum (AST_Enum *e); virtual AST_EnumVal *fe_add_enum_val (AST_EnumVal *v); virtual AST_Typedef *fe_add_typedef (AST_Typedef *t); virtual AST_Native *fe_add_native (AST_Native *n); // Lookup based on the local name, override of UTL_Scope definition. // This version checks for redefinitions of attributes or operations. AST_Decl *lookup_for_add (AST_Decl *d, bool treat_as_ref); void redef_clash_populate_r (AST_Type *t); // Populate the insert queue with our parents, and, if we are a // valuetype, with our supported interface and our parents' // supported interfaces. int insert_non_dup (AST_Type *t, bool abstract_paths_only = false); // Do non-duplicating insert of bi, by searching both the // insert queue and the delete queue. }; #endif // _AST_INTERFACE_AST_INTERFACE_HH