1
  
2
  
3
  
4
  
5
  
6
  
7
  
8
  
9
  
10
  
11
  
12
  
13
  
14
  
15
  
16
  
17
  
18
  
19
  
20
  
21
  
22
  
23
  
24
  
25
  
26
  
27
  
28
  
29
  
30
  
31
  
32
  
33
  
34
  
35
  
36
  
37
  
38
  
39
  
40
  
41
  
42
  
43
  
44
  
45
  
46
  
47
  
48
  
49
  
50
  
51
  
52
  
53
  
54
  
55
  
56
  
57
  
58
  
59
  
60
  
61
  
62
  
63
  
64
  
65
  
66
  
67
  
68
  
69
  
70
  
71
  
72
  
73
  
74
  
75
  
76
  
77
  
78
  
79
  
80
  
81
  
82
  
83
  
84
  
85
  
86
  
87
  
88
  
89
  
90
  
91
  
92
  
93
  
94
  
95
  
96
  
97
  
98
  
99
  
100
  
101
  
102
  
103
  
104
  
105
  
106
  
107
  
108
  
109
  
110
  
111
  
112
  
113
  
114
  
115
  
116
  
117
  
118
  
119
  
120
  
121
  
122
  
123
  
124
  
125
  
126
  
127
  
128
  
129
  
130
  
131
  
132
  
133
  
134
  
135
  
136
  
137
  
138
  
139
  
140
  
141
  
142
  
143
  
144
  
145
  
146
  
147
  
148
  
/* 
|| This file is part of Pike. For copyright information see COPYRIGHT. 
|| Pike is distributed under GPL, LGPL and MPL. See the file COPYING 
|| for more information. 
|| $Id: errors.h,v 1.32 2005/01/21 14:32:30 mast Exp $ 
*/ 
 
#ifdef ERR_DECLARE 
#define DECLARE_ERROR(NAME, SCNAME, INHERIT, DECL) \ 
PMOD_EXPORT struct program *PIKE_CONCAT(NAME,_error_program); \ 
ptrdiff_t PIKE_CONCAT(NAME,_error_offset);  
 
#define ERR_VAR(TYPE,CTYPE,RUNTYPE,NAME) TYPE NAME ; 
#endif 
 
#ifdef ERR_EXT_DECLARE 
#define DECLARE_ERROR(NAME, SCNAME, INHERIT, DECL) \ 
PMOD_EXPORT extern struct program *PIKE_CONCAT(NAME,_error_program); \ 
extern ptrdiff_t PIKE_CONCAT(NAME,_error_offset); \ 
struct PIKE_CONCAT(NAME,_error_struct) { \ 
  DECL \ 
}; 
 
#define ERR_VAR(TYPE,CTYPE,RUNTYPE,NAME) TYPE NAME ; 
 
/* Some compilers (eg cl) don't like empty structs... */ 
#define EMPTY ERR_VAR(INT_TYPE, int, PIKE_T_INT, ignored__) 
 
#endif /* ERR_EXT_DECLARE */ 
 
#ifdef ERR_SETUP 
#define DECLARE_ERROR(NAME, SCNAME, INHERIT, DECL) do{\ 
  ptrdiff_t current_offset=0; \ 
  struct PIKE_CONCAT(NAME,_error_struct) foo; \ 
  start_new_program(); \ 
  INHERIT \ 
  current_offset = PIKE_CONCAT(NAME,_error_offset) = \ 
    ADD_STORAGE(struct PIKE_CONCAT(NAME,_error_struct));\ 
  add_string_constant("error_type", #SCNAME, 0); \ 
  add_integer_constant("is_" #NAME "_error",1,0); \ 
  DECL \ 
  PIKE_CONCAT(NAME,_error_program)=end_program(); \ 
  add_program_constant( #SCNAME "Error",PIKE_CONCAT(NAME,_error_program),0); \ 
}while(0); 
 
#define ERR_VAR(TYPE,CTYPE,RUNTYPE,NAME2) \ 
  MAP_VARIABLE(#NAME2, CTYPE, 0, \ 
               current_offset + (((char *)&(foo.NAME2))-((char *)&foo)), RUNTYPE); 
 
#define EMPTY 
 
#define ERR_INHERIT(NAME) \ 
  low_inherit(PIKE_CONCAT(NAME,_error_program),0,0,0,0,0); 
 
#define ERR_FUNC(NAME,FUNC,TYPE,FLAGS) \ 
  ADD_FUNCTION(NAME,FUNC,TYPE,FLAGS); 
 
#endif 
 
#ifdef ERR_CLEANUP 
#define DECLARE_ERROR(NAME, SCNAME, INHERIT, DECL) \ 
  if(PIKE_CONCAT(NAME,_error_program)) {\ 
    free_program(PIKE_CONCAT(NAME,_error_program)); \ 
    PIKE_CONCAT(NAME,_error_program)=0;\ 
  } 
#endif 
 
 
#ifndef ERR_INHERIT 
#define ERR_INHERIT(NAME) 
#endif 
 
#ifndef ERR_VAR 
#define ERR_VAR(TYPE,CTYPE,RUNTYPE,NAME) 
#endif 
 
#ifndef ERR_FUNC 
#define ERR_FUNC(NAME,FUNC,TYPE,FLAGS) 
#endif 
 
DECLARE_ERROR(generic, Generic, EMPTY , 
  ERR_VAR(struct pike_string *,tStr,PIKE_T_STRING,error_message) 
  ERR_VAR(struct array *,tArray,PIKE_T_ARRAY,error_backtrace) 
  ERR_FUNC("cast",f_error_cast,tFunc(tString,tArray),ID_STATIC) 
  ERR_FUNC("`[]",f_error_index,tFunc(tInt01,tMixed),ID_STATIC) 
  ERR_FUNC("describe",f_error_describe,tFunc(tVoid,tString),0) 
  ERR_FUNC("message", f_error_message, tFunc(tVoid,tString), 0) 
  ERR_FUNC("backtrace",f_error_backtrace,tFunc(tVoid,tArr(tMixed)),0) 
  ERR_FUNC("_sprintf", f_error__sprintf, 
           tFunc(tOr(tInt,tVoid) tOr(tMapping,tVoid),tString), ID_STATIC) 
  ERR_FUNC("create",f_error_create,tFunc(tStr tOr(tVoid,tArr(tMixed)),tVoid),ID_STATIC) 
) 
 
#define GENERIC_ERROR_THIS ((struct generic_error_struct *)CURRENT_STORAGE) 
 
DECLARE_ERROR(index, Index, 
              ERR_INHERIT(generic), 
  ERR_VAR(struct svalue, tMix, PIKE_T_MIXED, value) 
  ERR_VAR(struct svalue, tMix, PIKE_T_MIXED, index) 
) 
 
DECLARE_ERROR(bad_argument, BadArgument, 
              ERR_INHERIT(generic), 
  ERR_VAR(INT_TYPE, tInt, PIKE_T_INT, which_argument) 
  ERR_VAR(struct pike_string *, tStr,PIKE_T_STRING,expected_type) 
  ERR_VAR(struct svalue, tMix, PIKE_T_MIXED, got_value) 
) 
 
DECLARE_ERROR(math, Math, 
              ERR_INHERIT(generic), 
  ERR_VAR(struct svalue, tMix, PIKE_T_MIXED, number) 
) 
 
DECLARE_ERROR(resource, Resource, 
              ERR_INHERIT(generic), 
  ERR_VAR(struct pike_string *, tStr, PIKE_T_STRING,resource_type) 
  ERR_VAR(INT_TYPE, tInt, PIKE_T_INT, howmuch) 
) 
 
DECLARE_ERROR(permission, Permission, 
              ERR_INHERIT(generic), 
  ERR_VAR(struct pike_string *, tStr, PIKE_T_STRING,permission_type) 
) 
 
DECLARE_ERROR(cpp, Cpp, ERR_INHERIT(generic), EMPTY) 
 
DECLARE_ERROR(compilation, Compilation, ERR_INHERIT(generic), EMPTY) 
 
DECLARE_ERROR(master_load, MasterLoad, ERR_INHERIT (generic), EMPTY) 
 
DECLARE_ERROR (module_load, ModuleLoad, 
               ERR_INHERIT (generic), 
  ERR_VAR (struct pike_string *, tStr, PIKE_T_STRING, path) 
  ERR_VAR (struct pike_string *, tStr, PIKE_T_STRING, reason) 
) 
 
#undef DECLARE_ERROR 
#undef ERR_INHERIT 
#undef ERR_VAR 
#undef EMPTY 
#undef ERR_FUNC 
 
#undef ERR_DECLARE 
#undef ERR_EXT_DECLARE 
#undef ERR_SETUP 
#undef ERR_CLEANUP