1 /* 2 * IDL Compiler 3 * 4 * Copyright 2002 Ove Kaaven 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with this library; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA 19 */ 20 21 #ifndef __WIDL_HEADER_H 22 #define __WIDL_HEADER_H 23 24 #include "typetree.h" 25 26 extern int is_ptrchain_attr(const var_t *var, enum attr_type t); 27 extern int is_aliaschain_attr(const type_t *var, enum attr_type t); 28 extern int is_attr(const attr_list_t *list, enum attr_type t); 29 extern void *get_attrp(const attr_list_t *list, enum attr_type t); 30 extern unsigned int get_attrv(const attr_list_t *list, enum attr_type t); 31 extern const char* get_name(const var_t *v); 32 extern void write_type_left(FILE *h, type_t *t, enum name_type name_type, int declonly); 33 extern void write_type_right(FILE *h, type_t *t, int is_field); 34 extern void write_type_decl(FILE *f, type_t *t, const char *name); 35 extern void write_type_decl_left(FILE *f, type_t *t); 36 extern unsigned int get_context_handle_offset( const type_t *type ); 37 extern unsigned int get_generic_handle_offset( const type_t *type ); 38 extern int needs_space_after(type_t *t); 39 extern int is_object(const type_t *iface); 40 extern int is_local(const attr_list_t *list); 41 extern int count_methods(const type_t *iface); 42 extern int need_stub(const type_t *iface); 43 extern int need_proxy(const type_t *iface); 44 extern int need_inline_stubs(const type_t *iface); 45 extern int need_stub_files(const statement_list_t *stmts); 46 extern int need_proxy_file(const statement_list_t *stmts); 47 extern int need_proxy_delegation(const statement_list_t *stmts); 48 extern int need_inline_stubs_file(const statement_list_t *stmts); 49 extern const var_t *is_callas(const attr_list_t *list); 50 extern void write_args(FILE *h, const var_list_t *arg, const char *name, int obj, int do_indent); 51 extern const type_t* get_explicit_generic_handle_type(const var_t* var); 52 extern const var_t *get_func_handle_var( const type_t *iface, const var_t *func, 53 unsigned char *explicit_fc, unsigned char *implicit_fc ); 54 extern int has_out_arg_or_return(const var_t *func); 55 extern int is_const_decl(const var_t *var); 56 57 extern void write_serialize_functions(FILE *file, const type_t *type, const type_t *iface); 58 59 static inline int is_ptr(const type_t *t) 60 { 61 return type_get_type(t) == TYPE_POINTER; 62 } 63 64 static inline int is_array(const type_t *t) 65 { 66 return type_get_type(t) == TYPE_ARRAY; 67 } 68 69 static inline int is_void(const type_t *t) 70 { 71 return type_get_type(t) == TYPE_VOID; 72 } 73 74 static inline int is_declptr(const type_t *t) 75 { 76 return is_ptr(t) || (type_get_type(t) == TYPE_ARRAY && type_array_is_decl_as_ptr(t)); 77 } 78 79 static inline int is_conformant_array(const type_t *t) 80 { 81 return is_array(t) && type_array_has_conformance(t); 82 } 83 84 static inline int last_ptr(const type_t *type) 85 { 86 return is_ptr(type) && !is_declptr(type_pointer_get_ref(type)); 87 } 88 89 static inline int last_array(const type_t *type) 90 { 91 return is_array(type) && !is_array(type_array_get_element(type)); 92 } 93 94 static inline int is_string_type(const attr_list_t *attrs, const type_t *type) 95 { 96 return ((is_attr(attrs, ATTR_STRING) || is_aliaschain_attr(type, ATTR_STRING)) 97 && (last_ptr(type) || last_array(type))); 98 } 99 100 static inline int is_context_handle(const type_t *type) 101 { 102 const type_t *t; 103 for (t = type; 104 is_ptr(t) || type_is_alias(t); 105 t = type_is_alias(t) ? type_alias_get_aliasee(t) : type_pointer_get_ref(t)) 106 if (is_attr(t->attrs, ATTR_CONTEXTHANDLE)) 107 return 1; 108 return 0; 109 } 110 111 #endif 112