1 (* -*- tuareg -*- *) 2 open Int32 3 open Int64 4 5 type enum = [ `Int of int ] 6 7 type 'a c_obj_t = 8 C_void 9 | C_bool of bool 10 | C_char of char 11 | C_uchar of char 12 | C_short of int 13 | C_ushort of int 14 | C_int of int 15 | C_uint of int32 16 | C_int32 of int32 17 | C_int64 of int64 18 | C_float of float 19 | C_double of float 20 | C_ptr of int64 * int64 21 | C_array of 'a c_obj_t array 22 | C_list of 'a c_obj_t list 23 | C_obj of (string -> 'a c_obj_t -> 'a c_obj_t) 24 | C_string of string 25 | C_enum of 'a 26 | C_director_core of 'a c_obj_t * 'a c_obj_t option ref 27 28 type c_obj = enum c_obj_t 29 30 exception BadArgs of string 31 exception BadMethodName of string * string 32 exception NotObject of c_obj 33 exception NotEnumType of c_obj 34 exception LabelNotFromThisEnum of c_obj 35 exception InvalidDirectorCall of c_obj 36 exception NoSuchClass of string 37 let rec invoke obj = 38 match obj with 39 C_obj o -> o 40 | C_director_core (o,r) -> invoke o 41 | _ -> raise (NotObject (Obj.magic obj)) 42 let _ = Callback.register "swig_runmethod" invoke 43 44 let fnhelper arg = 45 match arg with C_list l -> l | C_void -> [] | _ -> [ arg ] 46 47 let rec get_int x = 48 match x with 49 C_bool b -> if b then 1 else 0 50 | C_char c 51 | C_uchar c -> (int_of_char c) 52 | C_short s 53 | C_ushort s 54 | C_int s -> s 55 | C_uint u 56 | C_int32 u -> (Int32.to_int u) 57 | C_int64 u -> (Int64.to_int u) 58 | C_float f -> (int_of_float f) 59 | C_double d -> (int_of_float d) 60 | C_ptr (p,q) -> (Int64.to_int p) 61 | C_obj o -> (try (get_int (o "int" C_void)) 62 with _ -> (get_int (o "&" C_void))) 63 | _ -> raise (Failure "Can't convert to int") 64 65 let rec get_float x = 66 match x with 67 C_char c 68 | C_uchar c -> (float_of_int (int_of_char c)) 69 | C_short s -> (float_of_int s) 70 | C_ushort s -> (float_of_int s) 71 | C_int s -> (float_of_int s) 72 | C_uint u 73 | C_int32 u -> (float_of_int (Int32.to_int u)) 74 | C_int64 u -> (float_of_int (Int64.to_int u)) 75 | C_float f -> f 76 | C_double d -> d 77 | C_obj o -> (try (get_float (o "float" C_void)) 78 with _ -> (get_float (o "double" C_void))) 79 | _ -> raise (Failure "Can't convert to float") 80 81 let rec get_char x = 82 (char_of_int (get_int x)) 83 84 let rec get_string x = 85 match x with 86 C_string str -> str 87 | _ -> raise (Failure "Can't convert to string") 88 89 let rec get_bool x = 90 match x with 91 C_bool b -> b 92 | _ -> 93 (try if get_int x != 0 then true else false 94 with _ -> raise (Failure "Can't convert to bool")) 95 96 let disown_object obj = 97 match obj with 98 C_director_core (o,r) -> r := None 99 | _ -> raise (Failure "Not a director core object") 100 let _ = Callback.register "caml_obj_disown" disown_object 101 let addr_of obj = 102 match obj with 103 C_obj _ -> (invoke obj) "&" C_void 104 | C_director_core (self,r) -> (invoke self) "&" C_void 105 | C_ptr _ -> obj 106 | _ -> raise (Failure "Not a pointer.") 107 let _ = Callback.register "caml_obj_ptr" addr_of 108 109 let make_float f = C_float f 110 let make_double f = C_double f 111 let make_string s = C_string s 112 let make_bool b = C_bool b 113 let make_char c = C_char c 114 let make_char_i c = C_char (char_of_int c) 115 let make_uchar c = C_uchar c 116 let make_uchar_i c = C_uchar (char_of_int c) 117 let make_short i = C_short i 118 let make_ushort i = C_ushort i 119 let make_int i = C_int i 120 let make_uint i = C_uint (Int32.of_int i) 121 let make_int32 i = C_int32 (Int32.of_int i) 122 let make_int64 i = C_int64 (Int64.of_int i) 123 124 let new_derived_object cfun x_class args = 125 begin 126 let get_object ob = 127 match !ob with 128 None -> 129 raise (NotObject C_void) 130 | Some o -> o in 131 let ob_ref = ref None in 132 let class_fun class_f ob_r = 133 (fun meth args -> class_f (get_object ob_r) meth args) in 134 let new_class = class_fun x_class ob_ref in 135 let dircore = C_director_core (C_obj new_class,ob_ref) in 136 let obj = 137 cfun (match args with 138 C_list argl -> (C_list ((dircore :: argl))) 139 | C_void -> (C_list [ dircore ]) 140 | a -> (C_list [ dircore ; a ])) in 141 ob_ref := Some obj ; 142 obj 143 end 144 145 let swig_current_type_info = ref C_void 146 let find_type_info obj = !swig_current_type_info 147 let _ = Callback.register "swig_find_type_info" find_type_info 148 let set_type_info obj = 149 match obj with 150 C_ptr _ -> swig_current_type_info := obj ; 151 obj 152 | _ -> raise (Failure "Internal error: passed non pointer to set_type_info") 153 let _ = Callback.register "swig_set_type_info" set_type_info 154 155 let class_master_list = Hashtbl.create 20 156 let register_class_byname nm co = 157 Hashtbl.replace class_master_list nm (Obj.magic co) 158 let create_class nm arg = 159 try (Obj.magic (Hashtbl.find class_master_list nm)) arg with _ -> raise (NoSuchClass nm) 160
