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annotate generators/vulkan_api/vulkan_api_generator.nim @ 840:44ec744fbedc

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did: package restructuring according to nimble recommendation for libraries
author Sam <sam@basx.dev>
date Sat, 02 Dec 2023 22:23:29 +0700
parents
children c66503386e8b
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1 import std/os
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2 import std/sugar
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3 import std/algorithm
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4 import std/strformat
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5 import std/strutils
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6 import std/sequtils
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7 import std/streams
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8 import std/tables
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9 import httpClient
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10 import std/xmlparser
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11 import std/xmltree
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12
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13 const
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14 TYPEMAP = {
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15 "void": "void",
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16 "char": "char",
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17 "float": "float32",
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18 "double": "float64",
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19 "int8_t": "int8",
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20 "uint8_t": "uint8",
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21 "int16_t": "int16",
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22 "uint16_t": "uint16",
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23 "int32_t": "int32",
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24 "uint32_t": "uint32",
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25 "uint64_t": "uint64",
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26 "int64_t": "int64",
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27 "size_t": "csize_t",
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28 "int": "cint",
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29 "void*": "pointer",
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30 "char*": "cstring",
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31 "ptr char": "cstring",
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32 "ptr void": "pointer",
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33 "VK_DEFINE_HANDLE": "VkHandle",
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34 "VK_DEFINE_NON_DISPATCHABLE_HANDLE": "VkNonDispatchableHandle",
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35 }.toTable
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36 PLATFORM_HEADER_MAP = {
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37 "X11/Xlib.h": @["xlib", "xlib_xrandr"],
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38 "X11/extensions/Xrandr.h": @["xlib_xrandr"],
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39 "wayland-client.h": @["wayland"],
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40 "windows.h": @["win32"],
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41 "xcb/xcb.h": @["xcb"],
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42 "directfb.h": @["directfb"],
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43 "zircon/types.h": @["fuchsia"],
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44 "ggp_c/vulkan_types.h": @["ggp"],
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45 "screen/screen.h": @["screen"],
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46 "nvscisync.h": @["sci"],
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47 "nvscibuf.h": @["sci"],
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48 "vk_video/vulkan_video_codec_h264std.h": @["provisional"],
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49 "vk_video/vulkan_video_codec_h264std_decode.h": @["provisional"],
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50 "vk_video/vulkan_video_codec_h264std_encode.h": @["provisional"],
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51 "vk_video/vulkan_video_codec_h265std.h": @["provisional"],
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52 "vk_video/vulkan_video_codec_h265std_decode.h": @["provisional"],
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53 "vk_video/vulkan_video_codec_h265std_encode.h": @["provisional"],
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54 }.toTable
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55 MAP_KEYWORD = {
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56 "object": "theobject",
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57 "type": "thetype",
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58 }.toTable
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59 SPECIAL_DEPENDENCIES = {
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60 "VK_NV_ray_tracing": "VK_KHR_ray_tracing_pipeline",
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61 }.toTable
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62 # will be directly loaded at startup
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63 IGNORED_COMMANDS = @["vkGetInstanceProcAddr"]
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64 # can be loaded without a vulkan instance
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65 GLOBAL_COMMANDS = @[
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66 "vkEnumerateInstanceVersion",
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67 "vkEnumerateInstanceExtensionProperties",
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68 "vkEnumerateInstanceLayerProperties",
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69 "vkCreateInstance",
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70 ]
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71
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72 # helpers
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73 func mapType(typename: string): auto =
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74 TYPEMAP.getOrDefault(typename.strip(), typename.strip()).strip(chars={'_'})
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75 func mapName(thename: string): auto =
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76 MAP_KEYWORD.getOrDefault(thename.strip(), thename.strip()).strip(chars={'_'})
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77 func smartParseInt(value: string): int =
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78 if value.startsWith("0x"):
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79 parseHexInt(value)
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80 else:
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81 parseInt(value)
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82 func hasAttr(node: XmlNode, attr: string): bool = node.attr(attr) != ""
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83 func tableSorted(table: Table[int, string]): seq[(int, string)] =
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84 result = toSeq(table.pairs)
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85 result.sort((a, b) => cmp(a[0], b[0]))
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86 func findType(declNode: XmlNode): string =
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87 # examples:
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88 # char** -> cstringArray
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89 # void* -> pointer
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90 # char* -> cstring
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91 #
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92 # int* -> ptr int
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93 # void** -> ptr pointer
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94 # int** -> ptr ptr int
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95 var basetype = ""
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96 var apointer = ""
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97 var arraylen = ""
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98 for child in declNode:
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99 if child.kind == xnText:
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100 if "[" in child.text:
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101 if "[" in child.text and "]" in child.text:
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102 arraylen = child.text.strip(chars={'[', ']'}).replace("][", "*")
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103 else:
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104 arraylen = declNode.child("enum")[0].text
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105 else:
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106 for i in 0 ..< child.text.count('*'):
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107 apointer = apointer & "ptr "
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108 elif child.tag == "type":
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109 basetype = mapType(child[0].text)
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110 if basetype == "void":
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111 if apointer.count("ptr ") > 0:
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112 basetype = "pointer"
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113 apointer = apointer[0 ..< ^4]
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114 elif basetype == "char":
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115 if apointer.count("ptr ") == 1:
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116 basetype = "cstring"
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117 apointer = ""
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118 elif apointer.count("ptr ") == 2:
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119 basetype = "cstringArray"
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120 apointer = ""
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121 elif apointer.count("ptr ") > 2:
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122 basetype = "cstringArray"
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123 apointer = apointer[0 ..< ^8]
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124
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125 result = &"{apointer}{basetype}"
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126 if arraylen != "":
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127 result = &"array[{arraylen}, {result}]"
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128
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129 # serializers
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130 # return values and whether this is a bitfield
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131 func serializeEnum(node: XmlNode, api: XmlNode): (seq[string], string) =
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132 let name = node.attr("name")
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133 if name == "":
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134 return result
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135
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136 var reservedNames: seq[string]
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137 for t in api.findAll("type"):
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138 reservedNames.add t.attr("name").replace("_", "").toLower()
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139
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140 # find additional enum defintion in feature definitions
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141 var values: Table[int, string]
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142 for feature in api.findAll("feature"):
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143 for require in feature.findAll("require"):
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144 for theenum in require.findAll("enum"):
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145 if theenum.attr("extends") == name:
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146 if theenum.hasAttr("offset"):
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147 let enumBase = 1000000000 + (smartParseInt(theenum.attr("extnumber")) - 1) * 1000
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148 var value = smartParseInt(theenum.attr("offset")) + enumBase
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149 if theenum.attr("dir") == "-":
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150 value = -value
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151 values[value] = theenum.attr("name")
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152 elif theenum.hasAttr("value"):
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153 var value = smartParseInt(theenum.attr("value"))
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154 if theenum.attr("dir") == "-":
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155 value = -value
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156 values[value] = theenum.attr("name")
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157 elif theenum.hasAttr("bitpos"):
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158 var value = smartParseInt(theenum.attr("bitpos"))
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diff changeset
159 if theenum.attr("dir") == "-":
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160 value = -value
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161 values[value] = theenum.attr("name")
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162 elif theenum.hasAttr("alias"):
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163 discard
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164 else:
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165 raise newException(Exception, &"Unknown extension value: {feature}\nvalue:{theenum}")
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166 # find additional enum defintion in extension definitions
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167 for extension in api.findAll("extension"):
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168 let extensionNumber = parseInt(extension.attr("number"))
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169 let enumBase = 1000000000 + (extensionNumber - 1) * 1000
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170 for require in extension.findAll("require"):
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171 for theenum in require.findAll("enum"):
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172 if theenum.attr("extends") == name:
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173 if theenum.hasAttr("offset"):
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174 if theenum.hasAttr("extnumber"):
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175 let otherBase = 1000000000 + (smartParseInt(theenum.attr("extnumber")) - 1) * 1000
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176 var value = smartParseInt(theenum.attr("offset")) + otherBase
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177 if theenum.attr("dir") == "-":
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178 value = -value
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179 values[value] = theenum.attr("name")
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180 else:
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181 var value = smartParseInt(theenum.attr("offset")) + enumBase
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182 if theenum.attr("dir") == "-":
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183 value = -value
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184 values[value] = theenum.attr("name")
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185 elif theenum.hasAttr("value"):
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186 var value = smartParseInt(theenum.attr("value"))
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187 if theenum.attr("dir") == "-":
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188 value = -value
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189 values[value] = theenum.attr("name")
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190 elif theenum.hasAttr("bitpos"):
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191 var value = smartParseInt(theenum.attr("bitpos"))
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192 if theenum.attr("dir") == "-":
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193 value = -value
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194 values[value] = theenum.attr("name")
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195 elif theenum.hasAttr("alias"):
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196 discard
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197 else:
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198 raise newException(Exception, &"Unknown extension value: {extension}\nvalue:{theenum}")
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199
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200 # generate enums
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201 if node.attr("type") == "enum":
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202 for value in node.findAll("enum"):
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203 if value.hasAttr("alias"):
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204 continue
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205 if value.attr("value").startsWith("0x"):
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206 values[parseHexInt(value.attr("value"))] = value.attr("name")
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207 else:
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208 values[smartParseInt(value.attr("value"))] = value.attr("name")
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209 if values.len > 0:
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210 result[0].add " " & name & "* {.size: sizeof(cint).} = enum"
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211 for (value, name) in tableSorted(values):
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212 var thename = name
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213 if name.replace("_", "").toLower() in reservedNames:
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214 thename = thename & "_ENUM"
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215 let enumEntry = &" {thename} = {value}"
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216 result[0].add enumEntry
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217
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218 # generate bitsets (normal enums in the C API, but bitfield-enums in Nim)
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219 elif node.attr("type") == "bitmask":
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220 var predefined_enum_sets: seq[string]
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221 for value in node.findAll("enum"):
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222 if value.hasAttr("bitpos"):
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223 values[smartParseInt(value.attr("bitpos"))] = value.attr("name")
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224 elif node.attr("name") == "VkVideoEncodeRateControlModeFlagBitsKHR": # special exception, for some reason this has values instead of bitpos
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225 values[smartParseInt(value.attr("value"))] = value.attr("name")
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226 elif value.hasAttr("value"): # create a const that has multiple bits set
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227 predefined_enum_sets.add &" {value.attr(\"name\")}* = {value.attr(\"value\")}"
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228
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229 if values.len > 0:
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230 let cApiName = name.replace("FlagBits", "Flags")
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231 result[1] = cApiName
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232 if node.hasAttr("bitwidth"):
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233 result[0].add " " & name & "* {.size: 8.} = enum"
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234 else:
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235 result[0].add " " & name & "* {.size: sizeof(cint).} = enum"
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236 for (bitpos, enumvalue) in tableSorted(values):
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237 var value = "00000000000000000000000000000000"# makes the bit mask nicely visible
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238 if node.hasAttr("bitwidth"): # assumes this is always 64
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239 value = value & value
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240 value[^(bitpos + 1)] = '1'
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241 let enumEntry = &" {enumvalue} = 0b{value}"
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242 if not (enumEntry in result[0]): # the specs define duplicate entries for backwards compat
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243 result[0].add enumEntry
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244 if node.hasAttr("bitwidth"): # assuming this attribute is always 64
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245 if values.len > 0:
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246 result[0].add &"""func toBits*(flags: openArray[{name}]): {cApiName} =
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247 for flag in flags:
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248 result = {cApiName}(uint64(result) or uint64(flag))"""
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249 result[0].add &"""func toEnums*(number: {cApiName}): seq[{name}] =
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250 for value in {name}.items:
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251 if (cast[uint64](value) and uint64(number)) > 0:
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252 result.add value"""
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253 result[0].add &"proc `==`*(a, b: {cApiName}): bool = uint64(a) == uint64(b)"
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254 else:
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255 if values.len > 0:
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256 result[0].add &"""func toBits*(flags: openArray[{name}]): {cApiName} =
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257 for flag in flags:
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258 result = {cApiName}(uint(result) or uint(flag))"""
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259 result[0].add &"""func toEnums*(number: {cApiName}): seq[{name}] =
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260 for value in {name}.items:
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261 if (value.ord and cint(number)) > 0:
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262 result.add value"""
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263 result[0].add &"proc `==`*(a, b: {cApiName}): bool = cint(a) == cint(b)"
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diff changeset
264 if predefined_enum_sets.len > 0:
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265 result[0].add "const"
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266 result[0].add predefined_enum_sets
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267 result[0].add "type"
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268
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269
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270 func serializeStruct(node: XmlNode): seq[string] =
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271 let name = node.attr("name")
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272 var union = ""
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273 if node.attr("category") == "union":
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274 union = "{.union.} "
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275 result.add &" {name}* {union}= object"
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276 for member in node.findAll("member"):
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277 if not member.hasAttr("api") or member.attr("api") == "vulkan":
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278 let fieldname = member.child("name")[0].text.strip(chars={'_'})
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279 result.add &" {mapName(fieldname)}*: {findType(member)}"
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280
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281 func serializeFunctiontypes(api: XmlNode): seq[string] =
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282 for node in api.findAll("type"):
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diff changeset
283 if node.attr("category") == "funcpointer":
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284 let name = node[1][0]
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285 let returntype = mapType(node[0].text[8 .. ^1].split('(', 1)[0])
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286 var params: seq[string]
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287 for i in countup(3, node.len - 1, 2):
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288 var paramname = node[i + 1].text.split(',', 1)[0].split(')', 1)[0]
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289 var paramtype = node[i][0].text
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290 if paramname[0] == '*':
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291 paramname = paramname.rsplit(" ", 1)[1]
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292 paramtype = "ptr " & paramtype
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293 paramname = mapName(paramname)
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294 params.add &"{paramname}: {mapType(paramtype)}"
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295 let paramsstr = params.join(", ")
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296 result.add(&" {name}* = proc({paramsstr}): {returntype} {{.cdecl.}}")
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297
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298 func serializeConsts(api: XmlNode): seq[string] =
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299 result = @["const"]
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300 for enums in api.findAll("enums"):
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301 if enums.attr("name") == "API Constants":
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302 for theenum in enums.findAll("enum"):
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303 if theenum.hasAttr("alias"):
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304 result.add &" {theenum.attr(\"name\")}* = {theenum.attr(\"alias\")}"
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305 else:
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
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parents:
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306 var value = theenum.attr("value").strip(chars={'(', ')'})
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diff changeset
307 if value.endsWith("U"):
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308 value = value[0..^2] & "'u32"
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diff changeset
309 elif value.endsWith("ULL"):
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diff changeset
310 value = value[0..^4] & "'u64"
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diff changeset
311 if value[0] == '~':
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diff changeset
312 value = "not " & value[1..^1]
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diff changeset
313 result.add &" {theenum.attr(\"name\")}*: {mapType(theenum.attr(\"type\"))} = {value}"
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314
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diff changeset
315 func serializeType(node: XmlNode, headerTypes: Table[string, string]): Table[string, seq[string]] =
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diff changeset
316 if node.attrsLen == 0:
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317 return
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318 if node.attr("requires") == "vk_platform" or node.attr("category") == "include":
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319 return
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320 result["basetypes"] = @[]
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diff changeset
321 result["enums"] = @[]
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322
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323 # include-defined types (in platform headers)
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324 if node.attr("name") in headerTypes:
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diff changeset
325 for platform in PLATFORM_HEADER_MAP[node.attr("requires")]:
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326 let platformfile = "platform/" & platform
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diff changeset
327 if not result.hasKey(platformfile):
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328 result[platformfile] = @[]
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329 result[platformfile].add " " & node.attr("name").strip(chars={'_'}) & " *{.header: \"" & node.attr("requires") & "\".} = object"
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330 # generic base types
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331 elif node.attr("category") == "basetype":
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332 let typechild = node.child("type")
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333 let namechild = node.child("name")
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334 if typechild != nil and namechild != nil:
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335 var typename = typechild[0].text
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336 if node[2].kind == xnText and node[2].text.strip() == "*":
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337 typename = &"ptr {typename}"
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338 result["basetypes"].add &" {namechild[0].text}* = {mapType(typename)}"
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339 elif namechild != nil:
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340 result["basetypes"].add &" {namechild[0].text}* = object"
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341 # function pointers need to be handled with structs
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342 elif node.attr("category") == "funcpointer":
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343 discard
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344 # preprocessor defines, ignored
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345 elif node.attr("category") == "define":
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346 discard
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347 # bitmask aliases
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348 elif node.attr("category") == "bitmask":
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diff changeset
349 if node.hasAttr("alias"):
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350 let name = node.attr("name")
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351 let alias = node.attr("alias")
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352 result["enums"].add &" {name}* = {alias}"
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353 # distinct resource ID types aka handles
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diff changeset
354 elif node.attr("category") == "handle":
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diff changeset
355 if not node.hasAttr("alias"):
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356 let name = node.child("name")[0].text
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357 var thetype = mapType(node.child("type")[0].text)
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358 result["basetypes"].add &" {name}* = distinct {thetype}"
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diff changeset
359 # enum aliases
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360 elif node.attr("category") == "enum":
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diff changeset
361 if node.hasAttr("alias"):
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diff changeset
362 let name = node.attr("name")
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diff changeset
363 let alias = node.attr("alias")
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diff changeset
364 result["enums"].add &" {name}* = {alias}"
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365 else:
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366 discard
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367
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diff changeset
368 func serializeCommand(node: XmlNode): (string, string) =
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369 let
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370 proto = node.child("proto")
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371 resulttype = mapType(proto.child("type")[0].text)
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372 name = proto.child("name")[0].text
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373 var params: seq[string]
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374 for param in node:
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375 if param.tag == "param" and param.attr("api") in ["", "vulkan"]:
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376 let fieldname = param.child("name")[0].text.strip(chars={'_'})
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377 params.add &"{mapName(fieldname)}: {findType(param)}"
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378 let allparams = params.join(", ")
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379 return (name, &"proc({allparams}): {resulttype} {{.stdcall.}}")
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diff changeset
380
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diff changeset
381
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diff changeset
382 proc update(a: var Table[string, seq[string]], b: Table[string, seq[string]]) =
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diff changeset
383 for k, v in b.pairs:
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diff changeset
384 if not a.hasKey(k):
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385 a[k] = @[]
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386 a[k].add v
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diff changeset
387
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diff changeset
388
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389 proc main() =
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390 let file = getTempDir() / "vk.xml"
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diff changeset
391 if not os.fileExists(file):
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392 let client = newHttpClient()
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393 let glUrl = "https://raw.githubusercontent.com/KhronosGroup/Vulkan-Docs/main/xml/vk.xml"
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394 client.downloadFile(glUrl, file)
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diff changeset
395
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diff changeset
396 let api = loadXml(file)
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diff changeset
397
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398 const outdir = "src/vulkan_api/output"
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diff changeset
399 removeDir outdir
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400 createDir outdir
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diff changeset
401 createDir outdir / "platform"
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parents:
diff changeset
402
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diff changeset
403 # index all names that are only available on certain platforms
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diff changeset
404 var platformTypes: Table[string, string]
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parents:
diff changeset
405 for extension in api.findAll("extension"):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
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parents:
diff changeset
406 if extension.hasAttr("platform"):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
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diff changeset
407 for thetype in extension.findAll("type"):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
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diff changeset
408 platformTypes[thetype.attr("name")] = extension.attr("platform")
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
409 for command in extension.findAll("command"):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
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parents:
diff changeset
410 platformTypes[command.attr("name")] = extension.attr("platform")
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
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diff changeset
411 elif extension.attr("name").startsWith("VK_KHR_video"):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
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parents:
diff changeset
412 for thetype in extension.findAll("type"):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
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parents:
diff changeset
413 platformTypes[thetype.attr("name")] = "provisional"
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
414 for command in extension.findAll("command"):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
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diff changeset
415 platformTypes[command.attr("name")] = "provisional"
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
416
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diff changeset
417 var outputFiles = {
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
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diff changeset
418 "basetypes": @[
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
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diff changeset
419 "import std/dynlib",
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
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diff changeset
420 "import std/tables",
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
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parents:
diff changeset
421 "import std/strutils",
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
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parents:
diff changeset
422 "import std/logging",
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
423 "import std/typetraits",
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
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parents:
diff changeset
424 "import std/macros",
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
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parents:
diff changeset
425 "type",
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
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diff changeset
426 " VkHandle* = distinct uint",
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
427 " VkNonDispatchableHandle* = distinct uint",
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
428 "when defined(linux):",
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
429 " let vulkanLib* = loadLib(\"libvulkan.so.1\")",
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
430 "when defined(windows):",
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
431 " let vulkanLib* = loadLib(\"vulkan-1.dll\")",
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Sam <sam@basx.dev>
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diff changeset
432 "if vulkanLib == nil:",
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
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diff changeset
433 " raise newException(Exception, \"Unable to load vulkan library\")",
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
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parents:
diff changeset
434 "func VK_MAKE_API_VERSION*(variant: uint32, major: uint32, minor: uint32, patch: uint32): uint32 {.compileTime.} =",
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
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diff changeset
435 " (variant shl 29) or (major shl 22) or (minor shl 12) or patch",
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
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parents:
diff changeset
436 "",
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
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diff changeset
437 """template checkVkResult*(call: untyped) =
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
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parents:
diff changeset
438 when defined(release):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
439 discard call
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
440 else:
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
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parents:
diff changeset
441 # yes, a bit cheap, but this is only for nice debug output
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
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diff changeset
442 var callstr = astToStr(call).replace("\n", "")
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
443 while callstr.find(" ") >= 0:
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
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diff changeset
444 callstr = callstr.replace(" ", " ")
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
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parents:
diff changeset
445 debug "CALLING vulkan: ", callstr
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
446 let value = call
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
447 if value != VK_SUCCESS:
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
448 error "Vulkan error: ", astToStr(call), " returned ", $value
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
449 raise newException(Exception, "Vulkan error: " & astToStr(call) &
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
450 " returned " & $value)""",
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
451 """
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
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diff changeset
452 # custom enum iteration (for enum values > 2^16)
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Sam <sam@basx.dev>
parents:
diff changeset
453 macro enumFullRange(a: typed): untyped =
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
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diff changeset
454 newNimNode(nnkBracket).add(a.getType[1][1..^1])
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Sam <sam@basx.dev>
parents:
diff changeset
455
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
456 iterator items*[T: HoleyEnum](E: typedesc[T]): T =
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
457 for a in enumFullRange(E): yield a""",
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
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parents:
diff changeset
458 ],
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
459 "structs": @["type"],
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
460 "enums": @["type"],
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
461 "commands": @[],
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
462 }.toTable
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
463 outputFiles["basetypes"].add serializeConsts(api)
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
464 outputFiles["basetypes"].add "type"
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
465
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
466 # enums
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
467 for thetype in api.findAll("type"):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
468 if thetype.attr("category") == "bitmask" and not thetype.hasAttr("alias") and (not thetype.hasAttr("api") or thetype.attr("api") == "vulkan"):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
469 let name = thetype.child("name")[0].text
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
470 outputFiles["enums"].add &" {name}* = distinct VkFlags"
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
471
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
472 var bitfields: Table[string, string]
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
473 outputFiles["enums"].add "let vkGetInstanceProcAddr = cast[proc(instance: VkInstance, name: cstring): pointer {.stdcall.}](checkedSymAddr(vulkanLib, \"vkGetInstanceProcAddr\"))"
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
474 outputFiles["enums"].add "type"
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
475 for theenum in api.findAll("enums"):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
476 let (enums, bitFieldName) = serializeEnum(theenum, api)
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
477 outputFiles["enums"].add enums
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
478 if bitFieldName != "":
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
479 bitfields[theenum.attr("name")] = bitFieldName
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
480
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
481 # bitmask-to-string functions
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
482 for thetype in api.findAll("type"):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
483 if thetype.attr("name") in bitfields:
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
484 let name = bitfields[thetype.attr("name")]
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
485 let stringfunc = &"proc `$`*(bitset: {name}): string = $toEnums(bitset)"
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
486 if not (stringfunc in outputFiles["enums"]):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
487 outputFiles["enums"].add stringfunc
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
488 outputFiles["enums"].add "type"
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
489
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
490 # structs and function types need to be in same "type" block to avoid forward-declarations
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
491 outputFiles["structs"].add serializeFunctiontypes(api)
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
492 for thetype in api.findAll("type"):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
493 if thetype.attr("category") == "struct" or thetype.attr("category") == "union":
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
494 var outfile = "structs"
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
495 if thetype.attr("name") in platformTypes:
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
496 outfile = "platform/" & platformTypes[thetype.attr("name")]
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
497 if not (outfile in outputFiles):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
498 outputFiles[outfile] = @[]
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
499 outputFiles[outfile].add serializeStruct(thetype)
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
500
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
501 # types
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
502 var headerTypes: Table[string, string]
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
503 for types in api.findAll("types"):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
504 for thetype in types.findAll("type"):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
505 if thetype.attrsLen == 2 and thetype.hasAttr("requires") and thetype.hasAttr("name") and thetype.attr("requires") != "vk_platform":
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
506 let name = thetype.attr("name")
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
507 let incld = thetype.attr("requires")
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
508 headerTypes[name] = &"{name} {{.header: \"{incld}\".}} = object"
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
509
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
510 for typesgroup in api.findAll("types"):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
511 for thetype in typesgroup.findAll("type"):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
512 outputFiles.update serializeType(thetype, headerTypes)
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
513
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
514 for typesgroup in api.findAll("types"):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
515 for node in typesgroup.findAll("type"):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
516 if node.attr("category") == "handle":
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
517 if not node.hasAttr("alias"):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
518 let name = node.child("name")[0].text
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
519 outputFiles["basetypes"].add &"proc `$`*(handle: {name}): string = \"{name}(\" & $(uint(handle)) & \")\""
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
520 outputFiles["basetypes"].add &"proc valid*(handle: {name}): bool = uint(handle) != 0"
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
521 outputFiles["basetypes"].add &"proc reset*(handle: var {name}) = handle = {name}(0)"
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
522 outputFiles["basetypes"].add &"proc `==`*(a, b: {name}): bool = uint(a) == uint(b)"
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
523
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
524
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
525 # commands aka functions
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
526 var varDecls: Table[string, string]
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
527 var procLoads: Table[string, string] # procloads need to be packed into feature/extension loader procs
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
528 for commands in api.findAll("commands"):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
529 for command in commands.findAll("command"):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
530 if command.attr("api") != "vulkansc" and not (command.attr("name") in IGNORED_COMMANDS):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
531 if command.hasAttr("alias"):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
532 let name = command.attr("name")
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
533 let alias = command.attr("alias")
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
534 let thetype = varDecls[alias].split(":", 1)[1].strip()
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
535 varDecls[name] = &" {name}*: {thetype}"
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
536 procLoads[name] = &" {name} = {alias}"
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
537 else:
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
538 let (name, thetype) = serializeCommand(command)
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
539 varDecls[name] = &" {name}*: {thetype}"
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
540 procLoads[name] = &" {name} = cast[{thetype}](vkGetInstanceProcAddr(instance, \"{name}\"))"
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
541 var declared: seq[string]
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
542 var featureloads: seq[string]
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
543 for feature in api.findAll("feature"):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
544 if feature.attr("api") in ["vulkan", "vulkan,vulkansc"]:
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
545 let name = feature.attr("name")
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
546 outputFiles["commands"].add &"# feature {name}"
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
547 outputFiles["commands"].add "var"
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
548 for command in feature.findAll("command"):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
549 if not (command.attr("name") in declared) and not (command.attr("name") in IGNORED_COMMANDS):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
550 outputFiles["commands"].add varDecls[command.attr("name")]
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
551 declared.add command.attr("name")
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
552 featureloads.add &"load{name}"
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
553 outputFiles["commands"].add &"proc load{name}*(instance: VkInstance) ="
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
554 for command in feature.findAll("command"):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
555 if not (command.attr("name") in IGNORED_COMMANDS & GLOBAL_COMMANDS):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
556 outputFiles["commands"].add procLoads[command.attr("name")]
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
557 outputFiles["commands"].add ""
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
558 outputFiles["commands"].add ["proc loadVulkan*(instance: VkInstance) ="]
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
559 for l in featureloads:
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
560 outputFiles["commands"].add [&" {l}(instance)"]
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
561 outputFiles["commands"].add ""
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
562
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
563 # for promoted extensions, dependants need to call the load-function of the promoted feature/extension
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
564 # use table to store promotions
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
565 var promotions: Table[string, string]
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
566 for extensions in api.findAll("extensions"):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
567 for extension in extensions.findAll("extension"):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
568 if extension.hasAttr("promotedto"):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
569 promotions[extension.attr("name")] = extension.attr("promotedto")
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
570
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
571 var extensionDependencies: Table[string, (seq[string], XmlNode)]
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
572 var features: seq[string]
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
573 for feature in api.findAll("feature"):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
574 features.add feature.attr("name")
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
575 for extensions in api.findAll("extensions"):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
576 for extension in extensions.findAll("extension"):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
577 let name = extension.attr("name")
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
578 extensionDependencies[name] = (@[], extension)
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
579 if extension.hasAttr("depends"):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
580 extensionDependencies[name] = (extension.attr("depends").split("+"), extension)
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
581 if extension.attr("depends").startsWith("("): # no need for full tree parser, only single place where we can use a feature
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
582 let dependencies = extension.attr("depends").rsplit({')'}, 1)[1][1 .. ^1].split("+")
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
583 extensionDependencies[name] = (dependencies, extension)
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
584 if name in SPECIAL_DEPENDENCIES:
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
585 extensionDependencies[name][0].add SPECIAL_DEPENDENCIES[name]
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
586
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
587 # order dependencies to generate them in correct order
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
588 var dependencyOrderedExtensions: OrderedTable[string, XmlNode]
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
589 while extensionDependencies.len > 0:
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
590 var delkeys: seq[string]
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
591 for extensionName, (dependencies, extension) in extensionDependencies.pairs:
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
592 var missingExtension = false
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
593 for dep in dependencies:
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
594 let realdep = promotions.getOrDefault(dep, dep)
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
595 if not (realdep in dependencyOrderedExtensions) and not (realdep in features):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
596 missingExtension = true
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
597 break
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
598 if not missingExtension:
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
599 dependencyOrderedExtensions[extensionName] = extension
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
600 delkeys.add extensionName
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
601 for key in delkeys:
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
602 extensionDependencies.del key
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
603
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
604 var extensionLoaderMap: Table[string, Table[string, string]]
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
605 for extension in dependencyOrderedExtensions.values:
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
606 if extension.hasAttr("promotedto"): # will be loaded in promoted place
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
607 continue
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
608 if extension.attr("supported") in ["", "vulkan", "vulkan,vulkansc"]:
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
Sam <sam@basx.dev>
parents:
diff changeset
609 var file = "commands"
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610 var platform = extension.attr("platform")
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611 if extension.attr("name").startsWith("VK_KHR_video"):
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612 platform = "provisional"
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613 if platform != "":
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614 file = "platform/" & platform
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615 let name = extension.attr("name")
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616 if extension.findAll("command").len > 0:
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617 outputFiles[file].add &"# extension {name}"
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618 outputFiles[file].add "var"
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619 for command in extension.findAll("command"):
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620 if not (command.attr("name") in declared) and not (command.attr("name") in IGNORED_COMMANDS):
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621 outputFiles[file].add varDecls[command.attr("name")]
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622 declared.add command.attr("name")
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623 outputFiles[file].add &"proc load{name}*(instance: VkInstance) ="
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624 if not (platform in extensionLoaderMap):
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625 extensionLoaderMap[platform] = Table[string, string]()
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626 extensionLoaderMap[platform][name] = &"load{name}"
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627 var addedFunctionBody = false
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628 if extension.hasAttr("depends"):
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629 for dependency in extension.attr("depends").split("+"):
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630 # need to check since some extensions have no commands and therefore no load-function
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631 outputFiles[file].add &" load{promotions.getOrDefault(dependency, dependency)}(instance)"
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632 addedFunctionBody = true
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633 for command in extension.findAll("command"):
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634 outputFiles[file].add procLoads[command.attr("name")]
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635 addedFunctionBody = true
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636 if not addedFunctionBody:
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637 outputFiles[file].add " discard"
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638 outputFiles[file].add ""
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639
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640 var mainout: seq[string]
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641 for section in ["basetypes", "enums", "structs", "commands"]:
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642 mainout.add outputFiles[section]
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643 mainout.add "var EXTENSION_LOADERS = {"
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644 for extension, loader in extensionLoaderMap[""].pairs:
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645 mainout.add &" \"{extension}\": {loader},"
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646 mainout.add "}.toTable"
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647 for platform in api.findAll("platform"):
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648 mainout.add &"when defined({platform.attr(\"protect\")}):"
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649 mainout.add &" ../vulkan/include platform/{platform.attr(\"name\")}"
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650 if platform.attr("name") in extensionLoaderMap:
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651 for extension, loader in extensionLoaderMap[platform.attr("name")].pairs:
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diff changeset
652 mainout.add &" EXTENSION_LOADERS[\"{extension}\"] = {loader}"
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653
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diff changeset
654 mainout.add ""
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diff changeset
655 mainout.add "proc loadExtension*(instance: VkInstance, extension: string) = EXTENSION_LOADERS[extension](instance)"
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diff changeset
656 mainout.add ""
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diff changeset
657 mainout.add "# load global functions immediately"
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diff changeset
658 mainout.add "block globalFunctions:"
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659 mainout.add " let instance = VkInstance(0)"
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660 for l in GLOBAL_COMMANDS:
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661 mainout.add procLoads[l]
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
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662 mainout.add ""
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663 # produces error if enable both implicit converters
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diff changeset
664 # mainout.add "converter VkBool2NimBool*(a: VkBool32): bool = a > 0"
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Sam <sam@basx.dev>
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665 mainout.add "converter NimBool2VkBool*(a: bool): VkBool32 = VkBool32(a)"
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
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666
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667 writeFile outdir / &"api.nim", mainout.join("\n")
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diff changeset
668
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parents:
diff changeset
669
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670 for filename, filecontent in outputFiles.pairs:
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671 if filename.startsWith("platform/"):
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
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672 writeFile outdir / &"{filename}.nim", (@[
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
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diff changeset
673 "type"
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diff changeset
674 ] & filecontent).join("\n")
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diff changeset
675
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diff changeset
676 when isMainModule:
44ec744fbedc did: package restructuring according to nimble recommendation for libraries
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677 main()