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| #define EMPTY | | #ifdef ERR_DECLARE | #define DECLARE_ERROR(NAME, INHERIT, DECL) \ | static struct program *PIKE_CONCAT(NAME,_error_program); \ | static int PIKE_CONCAT(NAME,_error_offset); \ | struct PIKE_CONCAT(NAME,_error_struct) { \ | DECL \ | }; | | #define ERR_VAR(TYPE,CTYPE,RUNTYPE,NAME) TYPE NAME ; | #endif | | | #ifdef ERR_SETUP | #define DECLARE_ERROR(NAME, INHERIT, DECL) do{ \ | int 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",#NAME "_error",0); \ | add_integer_constant("is_" #NAME "_error",1,0); \ | DECL \ | PIKE_CONCAT(NAME,_error_program)=end_program(); \ | }while(0); | | #define ERR_VAR(TYPE,CTYPE,RUNTYPE,NAME2) \ | map_variable("__" #NAME2, #CTYPE, 0, \ | current_offset + (((char *)&(foo.NAME2))-((char *)&foo)), RUNTYPE); | | #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, 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, EMPTY , | ERR_VAR(struct pike_string *,string,T_STRING,desc) | ERR_VAR(struct array *,array,T_ARRAY,backtrace) | ERR_FUNC("cast",f_error_cast,tFunc(tString,tMixed),0) | ERR_FUNC("`[]",f_error_index,tFunc(tString,tMixed),0) | ERR_FUNC("describe",f_error_describe,tFunc(tVoid,tString),0) | ERR_FUNC("backtrace",f_error_backtrace,tFunc(tVoid,tArr(tMixed)),0) | ) | | #define GENERIC_ERROR_THIS ((struct generic_error_struct *)fp->current_storage) | | DECLARE_ERROR(index, | ERR_INHERIT(generic), | ERR_VAR(struct svalue, mixed, T_MIXED, val) | ERR_VAR(struct svalue, mixed, T_MIXED, ind) | ) | | DECLARE_ERROR(bad_arg, | ERR_INHERIT(generic), | ERR_VAR(INT_TYPE, int, T_INT, which_arg) | ERR_VAR(struct pike_string *,string,T_STRING,expected_type) | ERR_VAR(struct svalue, mixed, T_MIXED, got) | ) | | DECLARE_ERROR(math, | ERR_INHERIT(generic), | ERR_VAR(struct svalue, mixed, T_MIXED, number) | ) | | DECLARE_ERROR(resource, | ERR_INHERIT(generic), | ERR_VAR(struct pike_string *,string,T_STRING,resource_type) | ERR_VAR(INT_TYPE, int, T_INT, howmuch) | ) | | DECLARE_ERROR(permission, | ERR_INHERIT(generic), | ERR_VAR(struct pike_string *,string,T_STRING,permission_type) | ) | #undef DECLARE_ERROR | #undef ERR_INHERIT | #undef ERR_VAR | #undef ERR_FUNC | | #undef ERR_DECLARE | #undef ERR_SETUP | #undef ERR_CLEANUP | | |
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