sig/types.hpp

   1 /* Cycript - Remove Execution Server and Disassembler
   2  * Copyright (C) 2009  Jay Freeman (saurik)
   3 */
   4
   5 /* Modified BSD License {{{ */
   6 /*
   7  *        Redistribution and use in source and binary
   8  * forms, with or without modification, are permitted
   9  * provided that the following conditions are met:
  10  *
  11  * 1. Redistributions of source code must retain the
  12  *    above copyright notice, this list of conditions
  13  *    and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the
  15  *    above copyright notice, this list of conditions
  16  *    and the following disclaimer in the documentation
  17  *    and/or other materials provided with the
  18  *    distribution.
  19  * 3. The name of the author may not be used to endorse
  20  *    or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
  24  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
  25  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  26  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
  28  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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  35  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  36  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  37 */
  38 /* }}} */
  39
  40 #ifndef SIG_TYPES_H
  41 #define SIG_TYPES_H
  42
  43 #include "minimal/stdlib.h"
  44
  45 namespace sig {
  46
  47 enum Primitive {
  48     typename_P = '#',
  49     union_P = '(',
  50     string_P = '*',
  51     selector_P = ':',
  52     object_P = '@',
  53     boolean_P = 'B',
  54     uchar_P = 'C',
  55     uint_P = 'I',
  56     ulong_P = 'L',
  57     ulonglong_P = 'Q',
  58     ushort_P = 'S',
  59     array_P = '[',
  60     pointer_P = '^',
  61     bit_P = 'b',
  62     char_P = 'c',
  63     double_P = 'd',
  64     float_P = 'f',
  65     int_P = 'i',
  66     long_P = 'l',
  67     longlong_P = 'q',
  68     short_P = 's',
  69     void_P = 'v',
  70     struct_P = '{'
  71 };
  72
  73 struct Element {
  74     char *name;
  75     struct Type *type;
  76     size_t offset;
  77 };
  78
  79 struct Signature {
  80     struct Element *elements;
  81     size_t count;
  82 };
  83
  84 #define JOC_TYPE_INOUT  (1 << 0)
  85 #define JOC_TYPE_IN     (1 << 1)
  86 #define JOC_TYPE_BYCOPY (1 << 2)
  87 #define JOC_TYPE_OUT    (1 << 3)
  88 #define JOC_TYPE_BYREF  (1 << 4)
  89 #define JOC_TYPE_CONST  (1 << 5)
  90 #define JOC_TYPE_ONEWAY (1 << 6)
  91
  92 struct Type {
  93     enum Primitive primitive;
  94     char *name;
  95     uint8_t flags;
  96
  97     union {
  98         struct {
  99             struct Type *type;
 100             size_t size;
 101         } data;
 102
 103         struct Signature signature;
 104     } data;
 105 };
 106
 107 struct Type *joc_parse_type(char **name, char eos, bool variable, bool signature);
 108 void joc_parse_signature(struct Signature *signature, char **name, char eos, bool variable);
 109
 110 _finline bool IsAggregate(Primitive primitive) {
 111     return primitive == struct_P || primitive == union_P;
 112 }
 113
 114 }
 115
 116 #endif/*SIG_TYPES_H*/