src/compiler/spirv/spirv_info_c.py

   1 COPYRIGHT = """\
   2 /*
   3  * Copyright (C) 2017 Intel Corporation
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the next
  13  * paragraph) shall be included in all copies or substantial portions of the
  14  * Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22  * DEALINGS IN THE SOFTWARE.
  23  */
  24 """
  25
  26 import argparse
  27 import json
  28 from sys import stdout
  29 from mako.template import Template
  30
  31 def collect_data(spirv, kind):
  32     for x in spirv["operand_kinds"]:
  33         if x["kind"] == kind:
  34             operands = x
  35             break
  36
  37     # There are some duplicate values in some of the tables (thanks guys!), so
  38     # filter them out.
  39     last_value = -1
  40     values = []
  41     for x in operands["enumerants"]:
  42         if x["value"] != last_value:
  43             last_value = x["value"]
  44             values.append(x["enumerant"])
  45
  46     return (kind, values)
  47
  48 def parse_args():
  49     p = argparse.ArgumentParser()
  50     p.add_argument("json")
  51     p.add_argument("out")
  52     return p.parse_args()
  53
  54 TEMPLATE  = Template(COPYRIGHT + """\
  55 #include "spirv_info.h"
  56 % for kind,values in info:
  57
  58 const char *
  59 spirv_${kind.lower()}_to_string(Spv${kind} v)
  60 {
  61    switch (v) {
  62     % for name in values:
  63    case Spv${kind}${name}: return "Spv${kind}${name}";
  64     % endfor
  65    case Spv${kind}Max: break; /* silence warnings about unhandled enums. */
  66    }
  67
  68    return "unknown";
  69 }
  70 % endfor
  71 """)
  72
  73 if __name__ == "__main__":
  74     pargs = parse_args()
  75
  76     spirv_info = json.JSONDecoder().decode(open(pargs.json, "r").read())
  77
  78     capabilities = collect_data(spirv_info, "Capability")
  79     decorations = collect_data(spirv_info, "Decoration")
  80
  81     with open(pargs.out, 'w') as f:
  82         f.write(TEMPLATE.render(info=[capabilities, decorations]))