sig/types.hpp

   1 /* Cycript - Optimizing JavaScript Compiler/Runtime
   2  * Copyright (C) 2009-2015  Jay Freeman (saurik)
   3 */
   4
   5 /* GNU Affero General Public License, Version 3 {{{ */
   6 /*
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as published by
   9  * the Free Software Foundation, either version 3 of the License, or
  10  * (at your option) any later version.
  11
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 **/
  20 /* }}} */
  21
  22 #ifndef SIG_TYPES_H
  23 #define SIG_TYPES_H
  24
  25 #include <cstdlib>
  26 #include <stdint.h>
  27
  28 #include "Standard.hpp"
  29
  30 namespace sig {
  31
  32 enum Primitive {
  33     function_P = '\0',
  34     block_P = '\a',
  35     char_P = '\b',
  36
  37     unknown_P = '?',
  38     typename_P = '#',
  39     union_P = '(',
  40     string_P = '*',
  41     selector_P = ':',
  42     object_P = 'W',
  43     boolean_P = 'B',
  44     uchar_P = 'C',
  45     uint_P = 'I',
  46     ulong_P = 'L',
  47     ulonglong_P = 'Q',
  48     ushort_P = 'S',
  49     array_P = '[',
  50     pointer_P = '^',
  51     bit_P = 'b',
  52     schar_P = 'c',
  53     double_P = 'd',
  54     float_P = 'f',
  55     int_P = 'i',
  56     long_P = 'l',
  57     longlong_P = 'q',
  58     short_P = 's',
  59     void_P = 'v',
  60     struct_P = '{'
  61 };
  62
  63 struct Element {
  64     const char *name;
  65     struct Type *type;
  66     size_t offset;
  67 };
  68
  69 struct Signature {
  70     struct Element *elements;
  71     size_t count;
  72 };
  73
  74 #define JOC_TYPE_INOUT  (1 << 0)
  75 #define JOC_TYPE_IN     (1 << 1)
  76 #define JOC_TYPE_BYCOPY (1 << 2)
  77 #define JOC_TYPE_OUT    (1 << 3)
  78 #define JOC_TYPE_BYREF  (1 << 4)
  79 #define JOC_TYPE_CONST  (1 << 5)
  80 #define JOC_TYPE_ONEWAY (1 << 6)
  81
  82 struct Type {
  83     enum Primitive primitive;
  84     const char *name;
  85     uint8_t flags;
  86
  87     union {
  88         struct {
  89             struct Type *type;
  90             size_t size;
  91         } data;
  92
  93         struct Signature signature;
  94     } data;
  95 };
  96
  97 struct Type *joc_parse_type(char **name, char eos, bool variable, bool signature);
  98 void joc_parse_signature(struct Signature *signature, char **name, char eos, bool variable);
  99
 100 _finline bool IsFunctional(Primitive primitive) {
 101     return primitive == block_P || primitive == function_P;
 102 }
 103
 104 _finline bool IsAggregate(Primitive primitive) {
 105     return primitive == struct_P || primitive == union_P;
 106 }
 107
 108 }
 109
 110 #endif/*SIG_TYPES_H*/