sig/types.hpp

   1 /* Cycript - Inlining/Optimizing JavaScript Compiler
   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,
  29  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  30  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  31  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  33  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  34  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  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 "Standard.hpp"
  44
  45 namespace sig {
  46
  47 enum Primitive {
  48     typename_P = '#',
  49     union_P = '(',
  50     string_P = '*',
  51     selector_P = ':',
  52     block_P = '?',
  53     object_P = 'W',
  54     boolean_P = 'B',
  55     uchar_P = 'C',
  56     uint_P = 'I',
  57     ulong_P = 'L',
  58     ulonglong_P = 'Q',
  59     ushort_P = 'S',
  60     array_P = '[',
  61     pointer_P = '^',
  62     bit_P = 'b',
  63     char_P = 'c',
  64     double_P = 'd',
  65     float_P = 'f',
  66     int_P = 'i',
  67     long_P = 'l',
  68     longlong_P = 'q',
  69     short_P = 's',
  70     void_P = 'v',
  71     struct_P = '{'
  72 };
  73
  74 struct Element {
  75     char *name;
  76     struct Type *type;
  77     size_t offset;
  78 };
  79
  80 struct Signature {
  81     struct Element *elements;
  82     size_t count;
  83 };
  84
  85 #define JOC_TYPE_INOUT  (1 << 0)
  86 #define JOC_TYPE_IN     (1 << 1)
  87 #define JOC_TYPE_BYCOPY (1 << 2)
  88 #define JOC_TYPE_OUT    (1 << 3)
  89 #define JOC_TYPE_BYREF  (1 << 4)
  90 #define JOC_TYPE_CONST  (1 << 5)
  91 #define JOC_TYPE_ONEWAY (1 << 6)
  92
  93 struct Type {
  94     enum Primitive primitive;
  95     char *name;
  96     uint8_t flags;
  97
  98     union {
  99         struct {
 100             struct Type *type;
 101             size_t size;
 102         } data;
 103
 104         struct Signature signature;
 105     } data;
 106 };
 107
 108 struct Type *joc_parse_type(char **name, char eos, bool variable, bool signature);
 109 void joc_parse_signature(struct Signature *signature, char **name, char eos, bool variable);
 110
 111 _finline bool IsAggregate(Primitive primitive) {
 112     return primitive == struct_P || primitive == union_P;
 113 }
 114
 115 }
 116
 117 #endif/*SIG_TYPES_H*/