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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_DECL_AST_DECL_HH #define _AST_DECL_AST_DECL_HH #include "utl_scoped_name.h" #include "ast_annotation_appls.h" #include "ace/os_include/sys/os_types.h" #include "ace/SString.h" #include "ace/Vector_T.h" class Identifier; class UTL_Scope; class UTL_String; class ast_visitor; /** * This class is needed (only for g++) to get around a bug in g++ which * causes virtual operations to not be looked up correctly if an operation * is defined in more than one virtual public base class. This class makes * the hierarchy rooted in a single class, thereby eliminating the situation * that causes the bug to appear */ class TAO_IDL_FE_Export COMMON_Base { protected: COMMON_Base (bool local = false, bool abstract = false); virtual ~COMMON_Base (); public: // A no-op, overridden in the child classes. virtual void destroy (); // Accessor needs to get overridden for a few types. virtual bool is_local (); void is_local (bool val); bool is_abstract () const; void is_abstract (bool val); protected: bool is_local_; bool is_abstract_; }; /** * AST_Decl is the base class for almost all AST nodes. * * AST_* classes that do not inherit from AST_Decl include AST_Expression and * AST_Union_Label. AST_Decls have a node type (a value from the enum * AST_Decl::NodeType) and a name (a UTL_ScopedName). The node type may be * useful for BEs to be able to distinguish the real type of a node given only * a superclass. Additionally AST_Decl nodes record the scope of definition, * the file name and line number where they were defined, whether this was * defined by the compiler, whether this is the main file or an #include'd * file, among other things. */ class TAO_IDL_FE_Export AST_Decl : public virtual COMMON_Base { public: // Enum defining the different kinds of AST nodes. enum NodeType { NT_module // Denotes a module , NT_root // Denotes the root of AST , NT_interface // Denotes an interface , NT_interface_fwd // Fwd declared interface , NT_valuetype // Denotes a valuetype , NT_valuetype_fwd // Fwd declared valuetype , NT_const // Denotes a constant , NT_except // Denotes an exception , NT_attr // Denotes an attribute , NT_op // Denotes an operation , NT_argument // Denotes an op. argument , NT_union // Denotes a union , NT_union_fwd // Fwd declared union , NT_union_branch // Denotes a union branch , NT_struct // Denotes a structure , NT_struct_fwd // Fwd declared struct , NT_field // Denotes a field in structure , NT_enum // Denotes an enumeration , NT_enum_val // Denotes an enum. value , NT_string // Denotes an IDL string , NT_wstring // Denotes an IDL wstring , NT_array // Denotes an IDL array , NT_sequence // Denotes an IDL sequence , NT_typedef // Denotes a typedef , NT_pre_defined // Denotes a predefined type , NT_native // Denotes a native type // dependent on the programming // language , NT_factory // Denotes a OBV or home factory construct , NT_finder // Denotes a home finder construct , NT_component // Denotes a CORBA component , NT_component_fwd // Denotes a forward declared component , NT_home // Denotes a CORBA component home , NT_eventtype // Denotes a CCM event source or sink , NT_eventtype_fwd // Denotes a forward declared CCM event , NT_valuebox // Denotes a value box , NT_type // Template interface parameter , NT_fixed // Denotes (unsupported) fixed type , NT_porttype // Denotes a port type , NT_provides // Denotes a facet , NT_uses // Denotes a receptacle , NT_publishes // Denotes an event source , NT_emits // Denotes a one-to-one event source , NT_consumes // Denotes an event sink , NT_ext_port // Denotes an extended port , NT_mirror_port // Denotes a mirror port , NT_connector // Denotes a CCM connector , NT_param_holder // Denotes a template param placeholder , NT_annotation_decl // The declaration of an annotation , NT_annotation_appl // Application of an annotation to an IDL element , NT_annotation_member // Value Inside an Annotation }; AST_Decl (NodeType type, UTL_ScopedName *n, bool anonymous = false); /** * A sort of copy constructor that creates a copy of the AST_Decl for a new * scope. * The new name must be calculated before hand. * This was created for Annotation Applications and Extended Structs. */ AST_Decl ( UTL_ScopedName *name, AST_Decl *other); virtual ~AST_Decl (); // Cleanup method. virtual void destroy (); // If this decl has been found, some types need to be // moved onto their true definitions etc. Defaults to // NO adjustment. virtual AST_Decl *adjust_found (bool ignore_fwd, bool full_def_only); // Is this decl a forward declared type (default false) virtual bool is_fwd (); // Data Accessors. bool imported (); void set_imported (bool is_it); bool in_main_file (); void set_in_main_file (bool is_it); UTL_Scope *defined_in (); void set_defined_in (UTL_Scope *); NodeType node_type (); long line (); void set_line (long l); ACE_CString & file_name (); void set_file_name (ACE_CString s); UTL_ScopedName *name (); UTL_ScopedName *compute_name (const char *prefix, const char *suffix); // Variation of the . Computes scoped name string, applying // prefix and suffix to the local name component. void set_name (UTL_ScopedName *n); Identifier *local_name () const; void local_name (Identifier *id); Identifier *compute_local_name (const char *prefix, const char *sufix); // Apply prefix and suffix to the local name and return. virtual const char *full_name (); // Return the stringified full name. virtual const char *flat_name (); // Return the flattened full scoped name. const char *repoID (); void repoID (char *value); // Accessors for the repository ID. const char *prefix (); void prefix (const char *value); // Accessors for the repository ID prefix. const char *version (); void version (char *value); // Accessors for the version_ member. bool anonymous () const; void anonymous (bool val); // Accessors for the anonymous_ member. bool typeid_set () const; void typeid_set (bool val); // Accessors for the typeid_set_ member. void set_id_with_typeid (char *value); // Called by a 'typeId' declaration. void set_prefix_with_typeprefix (const char *value); // Called by a 'type_prefix' declaration. // If there is _cxx_ in the beginning, we will remove that and keep // a copy of the original name. TAO IDL's front end adds _cxx_ // prefix to the all the reserved keywords. But when we invoke the // operation remotely, we should be sending only the name with out // "_cxx_" prefix. Identifier *original_local_name (); void original_local_name (Identifier *); // To be overridden by the subclasses interface, struct, union, and // the corresponding forward declaration classes. virtual bool is_defined (); // AST Dumping. virtual void dump (ACE_OSTREAM_TYPE &o); // Visiting. virtual int ast_accept (ast_visitor *visitor); // Other operations // Return TRUE if "this" has "s" as an ancestor. bool has_ancestor (AST_Decl *s); // Return TRUE if "this" is a child of "s". bool is_child (AST_Decl *s); bool is_nested (); // Determines if we are inside of a nested scope or not. UTL_ScopedName *last_referenced_as () const; void last_referenced_as (UTL_ScopedName *n); // Accessors for the prefix_scope_ member. UTL_Scope *prefix_scope (); void prefix_scope (UTL_Scope *s); // Useful for GIOP to know if a wstring is being marshaled. virtual int contains_wstring (); void contains_wstring (int val); // Additional checks when we think we have caught an IDL // masking scope error in a lookup, which starts simply with // a comparison of names in a scope masking queue. bool masking_checks (AST_Decl *mod); // Accessors for the member. bool in_tmpl_mod_not_aliased () const; void in_tmpl_mod_not_aliased (bool val); /// Set and get annotations for this IDL element ///{ void annotation_appls (const AST_Annotation_Appls &annotations); AST_Annotation_Appls &annotation_appls (); ///} /** * Dump Annotations AST * * By default print each annotation on its own line. If print_inline is true, * it prints them with spaces separating them instead. */ void dump_annotations (ACE_OSTREAM_TYPE &o, bool print_inline = false); /** * Dump Object with Annotations */ void dump_with_annotations (ACE_OSTREAM_TYPE &o, bool inline_annotations= false); /** * Dump AST Object to Stream * * Uses dump_annotations() before dumping if an object has annotations and is * annotatable. */ friend ACE_OSTREAM_TYPE & operator<< (ACE_OSTREAM_TYPE &o, AST_Decl &d); /** * Returns true if annotations are valid to use on this */ virtual bool annotatable () const; /** * Return true if annotations are dumped inline when using << */ virtual bool dump_annotations_inline () const; /** * Return true if annotations are dumped at all when using << */ virtual bool auto_dump_annotations () const; /** * True if defined using idl_global->eval() */ virtual bool builtin () const; /** * True if the node should be dumped */ virtual bool should_be_dumped () const; /** * Get Annotation Vector * If this is a typedef, it includes recursively acquired annotations from * the possible chain of direct typedefs. */ virtual AST_Annotation_Appls &annotations (); /** * Should AMI visit this node? */ virtual bool ami_visit (); protected: // These are not private because they're used by // be_predefined_type' constructor and can be called // from be_decl. char *repoID_; // Repository ID. char *flat_name_; // Flattened fully scoped name. int contains_wstring_; // If we are a scope, do we contain a wstring at some level? void dump_i (ACE_OSTREAM_TYPE &o, const char *s) const ; void compute_repoID (); // Computes the repoID. void compute_full_name (); // Computes the stringified scoped name. void compute_flat_name (); // Compute the flattened fully scoped name. const char *node_type_to_string (NodeType nt); // Convert a NodeType to a string for dumping. /// Annotations applied to this IDL element AST_Annotation_Appls *annotation_appls_; /** * True if defined using idl_global->eval() */ bool builtin_; private: // Data bool pd_imported; // Imported? bool pd_in_main_file; // Defined in main file? UTL_Scope *pd_defined_in; // Scope. NodeType pd_node_type; // What kind of node. long pd_line; // Line defined in. ACE_CString pd_file_name; // What file defined in. UTL_ScopedName *pd_name; Identifier *pd_local_name; // Name in scope. Identifier *pd_original_local_name; // _cxx_ removed if any. char *full_name_; // Our full scoped name. char *prefix_; // The repository ID prefix. char *version_; // Set by #pragma version. bool anonymous_; // Are we an anonymous (no repo ID) type? bool typeid_set_; // Has our repo id been set by a typeId declaration? UTL_ScopedName *last_referenced_as_; // Temporary holder of the most recent way we were reference. // The top level component of this is added to pd_name_referenced. // The scope in which our prefix, if any, was assigned. UTL_Scope *prefix_scope_; bool in_tmpl_mod_not_aliased_; // false by default - if true, we can't be referenced. void compute_full_name (UTL_ScopedName *n); // Compute the full name of an AST node. void set_prefix_with_typeprefix_r (const char *value, UTL_Scope *appeared_in); // Non-top-level version of set_prefix_with_typeprefix. }; typedef ACE_Vector AST_Decls; #endif // _AST_DECL_AST_DECL_HH