libextl/private.h

   1 /*
   2  * libextl/private.h
   3  *
   4  * Copyright (c) Tuomo Valkonen 2004-2005.
   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
  12 #ifndef LIBEXTL_PRIVATE_H
  13 #define LIBEXTL_PRIVATE_H
  14
  15 #include <libtu/types.h>
  16 #include <libtu/misc.h>
  17 #include <libtu/locale.h>
  18 #include <libtu/output.h>
  19 #include <libtu/debug.h>
  20 #include <libtu/objp.h>
  21
  22 #include "types.h"
  23
  24 /*
  25  * String routines
  26  */
  27
  28 #define extl_scopy(S) scopy(S)
  29 #define extl_scopyn(S, N) scopyn(S, N)
  30 #define extl_scat3(S1, S2, S3) scat3(S1, S2, S3)
  31 #define extl_asprintf libtu_asprintf
  32
  33 /*
  34  * Error display
  35  */
  36
  37 #if 1
  38 #include <libtu/errorlog.h>
  39 #define EXTL_LOG_ERRORS
  40 /* This part has not been abstracted away from libtu dependence. */
  41 #endif
  42
  43 #define extl_warn warn
  44 #define extl_warn_err_obj(NM) warn_err_obj(NM)
  45
  46 /*#define extl_warn(FMT, ...)
  47     ({fprintf(stderr, FMT, __VA_ARGS__); fputc('\n', stderr);})*/
  48 /*#define extl_warn_obj_err(O) perror(O) */
  49
  50 /*
  51  * Level2 type checking
  52  */
  53
  54 /* Always returns FALSE. */
  55 extern bool extl_obj_error(int ndx, const char *got, const char *wanted);
  56
  57 #define EXTL_CHKO1(IN, NDX, TYPE)                          \
  58     (OBJ_IS(IN[NDX].o, TYPE)                               \
  59      ? TRUE                                                \
  60      : extl_obj_error(NDX, OBJ_TYPESTR(IN[NDX].o), #TYPE))
  61
  62 #define EXTL_CHKO(IN, NDX, TYPE)                           \
  63     (IN[NDX].o==NULL || OBJ_IS(IN[NDX].o, TYPE)            \
  64      ? TRUE                                                \
  65      : extl_obj_error(NDX, OBJ_TYPESTR(IN[NDX].o), #TYPE))
  66
  67 #define EXTL_DEFCLASS(C) INTRCLASS(C)
  68
  69
  70 /*
  71  * Objects.
  72  */
  73
  74 typedef Watch ExtlProxy;
  75
  76 #define EXTL_OBJ_CACHED(OBJ) ((OBJ)->flags&OBJ_EXTL_CACHED)
  77 #define EXTL_OBJ_OWNED(OBJ) ((OBJ)->flags&OBJ_EXTL_OWNED)
  78 #define EXTL_OBJ_TYPENAME(OBJ) OBJ_TYPESTR(OBJ)
  79 #define EXTL_OBJ_IS(OBJ, NAME) obj_is_str(OBJ, NAME)
  80
  81 #define EXTL_PROXY_OBJ(PROXY) ((PROXY)->obj)
  82
  83 #define EXTL_BEGIN_PROXY_OBJ(PROXY, OBJ)       \
  84     watch_init(PROXY);                         \
  85     watch_setup(PROXY, OBJ, NULL);             \
  86     (OBJ)->flags|=OBJ_EXTL_CACHED;
  87
  88 #define EXTL_END_PROXY_OBJ(PROXY, OBJ) \
  89     assert((PROXY)->obj==OBJ);         \
  90     watch_reset(PROXY);                \
  91     (OBJ)->flags&=~OBJ_EXTL_CACHED;
  92
  93 #define EXTL_DESTROY_OWNED_OBJ(OBJ) destroy_obj(OBJ)
  94
  95 extern void extl_uncache(Obj *obj);
  96
  97 /*
  98 static void obj_dest_handler(Watch *watch, Obj *obj)
  99 {
 100     extl_uncache(obj);
 101     obj->flags&=~OBJ_EXTL_CACHED;
 102 }
 103 */
 104
 105 /*
 106  * Miscellaneous.
 107  */
 108
 109 /* Translate string X to locale. */
 110 /*#define TR(X) X */
 111
 112 /* Debugging. */
 113 /*#define D(X) */
 114
 115
 116 #endif /* LIBEXTL_PRIVATE_H */