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Proton/lsteamclient/gen_wrapper.py
Arkadiusz Hiler c0d0b2f295 lsteamclient: Generate SteamWorks SDK 1.58 support.
2023-09-27 20:14:12 +03:00

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Python
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#!/usr/bin/env python3
#NOTE: If you make modifications here, consider whether they should
#be duplicated in ../vrclient/gen_wrapper.py
from __future__ import print_function
CLANG_PATH='/usr/lib/clang/16'
from clang.cindex import CursorKind, Index, Type, TypeKind
from collections import namedtuple
import pprint
import sys
import os
import re
import math
sdk_versions = [
"158",
"157",
"156",
"155",
"154",
"153a",
"152",
"151",
"150",
"149",
"148a",
"147",
"146",
"145",
"144",
"143y",
"143x",
"143",
"142",
"141",
"140",
"139",
"138a",
"138",
"137",
"136",
"135a",
"135",
"134",
"133x",
"133b",
"133a",
"133",
"132x",
"132",
"131",
"130x",
"130",
"129a",
"129",
"128x",
"128",
"127",
"126a",
"126",
"125",
"124",
"123a",
"123",
"122",
"121x",
"121",
"120",
"119x",
"119",
"118",
"117",
"116x",
"116",
"115",
"114",
"113",
"112x",
"112",
"111x",
"111",
"110",
"109",
"108",
"107",
"106",
"105",
"104",
"103",
"102x",
"102",
"101x",
"101",
"100",
"099y",
"099x",
"099w",
"099v",
"099u",
]
files = [
("steam_api.h", [
"ISteamApps",
"ISteamAppList",
"ISteamClient",
"ISteamController",
"ISteamGameSearch",
"ISteamFriends",
"ISteamHTMLSurface",
"ISteamHTTP",
"ISteamInput",
"ISteamInventory",
"ISteamMatchmaking",
"ISteamMatchmakingServers",
"ISteamMusic",
"ISteamMusicRemote",
"ISteamNetworking",
"ISteamParties",
"ISteamRemotePlay",
"ISteamRemoteStorage",
"ISteamScreenshots",
"ISteamUGC",
"ISteamUnifiedMessages",
"ISteamUser",
"ISteamUserStats",
"ISteamUtils",
"ISteamVideo"
]),
("isteamappticket.h", [
"ISteamAppTicket"
]),
("isteamgameserver.h", [
"ISteamGameServer"
]),
("isteamgameserverstats.h", [
"ISteamGameServerStats"
]),
("isteamgamestats.h", [
"ISteamGameStats"
]),
("isteammasterserverupdater.h", [
"ISteamMasterServerUpdater"
]),
("isteamgamecoordinator.h", [
"ISteamGameCoordinator"
]),
("isteamparentalsettings.h", [
"ISteamParentalSettings"
]),
("isteamnetworkingmessages.h", [
"ISteamNetworkingMessages"
]),
("isteamnetworkingsockets.h", [
"ISteamNetworkingSockets"
]),
("isteamnetworkingsocketsserialized.h", [
"ISteamNetworkingSocketsSerialized"
]),
("isteamnetworkingutils.h", [
"ISteamNetworkingUtils"
]),
("steamnetworkingfakeip.h", [
"ISteamNetworkingFakeUDPPort"
]),
]
aliases = {
#these interfaces are undocumented and binary compatible
#"target interface": ["alias 1", "alias 2"],
"SteamUtils004":["SteamUtils003"],
"SteamUtils002":["SteamUtils001"],
"SteamGameServer008":["SteamGameServer007","SteamGameServer006"],
"SteamNetworkingSocketsSerialized002":["SteamNetworkingSocketsSerialized001"],
"STEAMAPPS_INTERFACE_VERSION001":["SteamApps001"],
"STEAMAPPS_INTERFACE_VERSION001":["SteamApps001"],
"SteamNetworkingSockets002":["SteamNetworkingSockets003"],
}
# these structs are manually confirmed to be equivalent
exempt_structs = [
"CSteamID",
"CGameID",
"CCallbackBase",
"SteamPS3Params_t",
"ValvePackingSentinel_t"
]
# we have converters for these written by hand because they're too complicated to generate
manually_handled_structs = [
"SteamNetworkingMessage_t"
]
Method = namedtuple('Method', ['name', 'version_func'], defaults=[lambda _: True])
manually_handled_methods = {
#TODO: 001 005 007
#NOTE: 003 never appeared in a public SDK, but is an alias for 002 (the version in SDK 1.45 is actually 004 but incorrectly versioned as 003)
"cppISteamNetworkingSockets_SteamNetworkingSockets": [
Method("ReceiveMessagesOnConnection"),
Method("ReceiveMessagesOnListenSocket"),
Method("ReceiveMessagesOnPollGroup"),
Method("SendMessages"),
Method("CreateFakeUDPPort"),
],
"cppISteamNetworkingUtils_SteamNetworkingUtils": [
Method("AllocateMessage"),
Method("SetConfigValue", lambda version: version >= 3)
],
"cppISteamNetworkingMessages_SteamNetworkingMessages": [
Method("ReceiveMessagesOnChannel"),
],
"cppISteamInput_SteamInput": [
Method("EnableActionEventCallbacks"),
Method("GetGlyphForActionOrigin"),
Method("GetGlyphPNGForActionOrigin"),
Method("GetGlyphSVGForActionOrigin"),
Method("GetGlyphForActionOrigin_Legacy"),
Method("GetGlyphForXboxOrigin"),
],
"cppISteamController_SteamController": [
Method("GetGlyphForActionOrigin"),
Method("GetGlyphForXboxOrigin"),
],
"cppISteamNetworkingFakeUDPPort_SteamNetworkingFakeUDPPort": [
Method("DestroyFakeUDPPort"),
Method("ReceiveMessages"),
],
"cppISteamUser_SteamUser": [
#TODO: Do we need the the value -> pointer conversion for other versions of the interface?
Method("InitiateGameConnection", lambda version: version == 8),
],
#"cppISteamClient_SteamClient": [
# Method("BShutdownIfAllPipesClosed"),
#],
}
post_execution_functions = {
"ISteamClient_BShutdownIfAllPipesClosed" : "after_shutdown",
"ISteamClient_CreateSteamPipe" : "after_steam_pipe_create",
}
INTERFACE_NAME_VERSION = re.compile(r'^(?P<name>.+?)(?P<version>\d*)$')
def method_needs_manual_handling(interface_with_version, method_name):
match_dict = INTERFACE_NAME_VERSION.match(interface_with_version).groupdict()
interface = match_dict['name']
version = int(match_dict['version']) if match_dict['version'] else None
method_list = manually_handled_methods.get(interface, [])
method = next(filter(lambda m: m.name == method_name, method_list), None)
return method and method.version_func(version)
def post_execution_function(classname, method_name):
return post_execution_functions.get(classname + "_" + method_name)
# manual converters for simple types (function pointers)
manual_type_converters = [
"FSteamNetworkingSocketsDebugOutput",
"SteamAPIWarningMessageHook_t",
"SteamAPI_CheckCallbackRegistered_t"
]
# manual converters for specific parameters
manual_param_converters = [
"nNativeKeyCode"
]
#struct_conversion_cache = {
# '142': {
# 'SteamUGCDetails_t': True,
# 'SteamUGCQueryCompleted_t': False
# }
#}
struct_conversion_cache = {}
converted_structs = []
# callback classes for which we have a linux wrapper
wrapped_classes = [
"ISteamMatchmakingServerListResponse",
"ISteamMatchmakingPingResponse",
"ISteamMatchmakingPlayersResponse",
"ISteamMatchmakingRulesResponse",
"ISteamNetworkingFakeUDPPort",
]
print_sizes = []
class_versions = {}
path_conversions = [
{
"parent_name": "GetAppInstallDir",
"l2w_names": ["pchDirectory"],
"l2w_lens": ["cchNameMax"],
"l2w_urls": [False],
"w2l_names": [],
"w2l_arrays": [],
"w2l_urls": [],
"return_is_size": True
},
{
"parent_name": "GetAppInstallDir",
"l2w_names": ["pchFolder"],
"l2w_lens": ["cchFolderBufferSize"],
"l2w_urls": [False],
"w2l_names": [],
"w2l_arrays": [],
"w2l_urls": [],
"return_is_size": True
},
{
"parent_name": "GetFileDetails",
"l2w_names": [],
"l2w_lens": [],
"l2w_urls": [],
"w2l_names": ["pszFileName"],
"w2l_arrays": [False],
"w2l_urls": [False],
"return_is_size": True
},
### ISteamGameServer::SetModDir - "Just the folder name, not the whole path. I.e. "Spacewar"."
{
"parent_name": "LoadURL",
"l2w_names": [],
"l2w_lens": [],
"l2w_urls": [],
"w2l_names": ["pchURL"],
"w2l_arrays": [False],
"w2l_urls": [True],
"return_is_size": False
},
{
"parent_name": "FileLoadDialogResponse",
"l2w_names": [],
"l2w_lens": [],
"l2w_urls": [],
"w2l_names": ["pchSelectedFiles"],
"w2l_arrays": [True],
"w2l_urls": [False],
"return_is_size": False
},
{
"parent_name": "HTML_StartRequest_t",
"l2w_names": ["pchURL"],
"l2w_lens": [None],
"l2w_urls": [True],
"w2l_names": [],
"w2l_arrays": [],
"w2l_urls": [],
"return_is_size": False
},
{
"parent_name": "HTML_URLChanged_t",
"l2w_names": ["pchURL"],
"l2w_lens": [None],
"l2w_urls": [True],
"w2l_names": [],
"w2l_arrays": [],
"w2l_urls": [],
"return_is_size": False
},
{
"parent_name": "HTML_FinishedRequest_t",
"l2w_names": ["pchURL"],
"l2w_lens": [None],
"l2w_urls": [True],
"w2l_names": [],
"w2l_arrays": [],
"w2l_urls": [],
"return_is_size": False
},
{
"parent_name": "HTML_OpenLinkInNewTab_t",
"l2w_names": ["pchURL"],
"l2w_lens": [None],
"l2w_urls": [True],
"w2l_names": [],
"w2l_arrays": [],
"w2l_urls": [],
"return_is_size": False
},
{
"parent_name": "HTML_LinkAtPosition_t",
"l2w_names": ["pchURL"],
"l2w_lens": [None],
"l2w_urls": [True],
"w2l_names": [],
"w2l_arrays": [],
"w2l_urls": [],
"return_is_size": False
},
{
"parent_name": "HTML_FileOpenDialog_t",
"l2w_names": ["pchInitialFile"],
"l2w_lens": [None],
"l2w_urls": [True],
"w2l_names": [],
"w2l_arrays": [],
"w2l_urls": [],
"return_is_size": False
},
{
"parent_name": "HTML_NewWindow_t",
"l2w_names": ["pchURL"],
"l2w_lens": [None],
"l2w_urls": [True],
"w2l_names": [],
"w2l_arrays": [],
"w2l_urls": [],
"return_is_size": False
},
{
"parent_name": "PublishWorkshopFile",
"l2w_names": [],
"l2w_lens": [],
"l2w_urls": [],
"w2l_names": ["pchFile", "pchPreviewFile"],
"w2l_arrays": [False, False],
"w2l_urls": [False, False],
"return_is_size": False
},
{
"parent_name": "UpdatePublishedFileFile",
"l2w_names": [],
"l2w_lens": [],
"l2w_urls": [],
"w2l_names": ["pchFile"],
"w2l_arrays": [False],
"w2l_urls": [False],
"return_is_size": False
},
{
"parent_name": "UpdatePublishedFilePreviewFile",
"l2w_names": [],
"l2w_lens": [],
"l2w_urls": [],
"w2l_names": ["pchPreviewFile"],
"w2l_arrays": [False],
"w2l_urls": [False],
"return_is_size": False
},
{
"parent_name": "PublishVideo",
"l2w_names": [],
"l2w_lens": [],
"l2w_urls": [],
"w2l_names": ["pchPreviewFile"],
"w2l_arrays": [False],
"w2l_urls": [False],
"return_is_size": False
},
{
"parent_name": "AddScreenshotToLibrary",
"l2w_names": [],
"l2w_lens": [],
"l2w_urls": [],
"w2l_names": ["pchFilename", "pchThumbnailFilename"],
"w2l_arrays": [False, False],
"w2l_urls": [False, False],
"return_is_size": False
},
{
"parent_name": "AddVRScreenshotToLibrary",
"l2w_names": [],
"l2w_lens": [],
"l2w_urls": [],
"w2l_names": ["pchFilename", "pchVRFilename"],
"w2l_arrays": [False, False],
"w2l_urls": [False, False],
"return_is_size": False
},
{
"parent_name": "UGCDownloadToLocation",
"l2w_names": [],
"l2w_lens": [],
"l2w_urls": [],
"w2l_names": ["pchLocation"],
"w2l_arrays": [False],
"w2l_urls": [False],
"return_is_size": False
},
{
"parent_name": "GetQueryUGCAdditionalPreview",
"l2w_names": ["pchURLOrVideoID"],
"l2w_lens": ["cchURLSize"],
"l2w_urls": [True],
"w2l_names": [],
"w2l_arrays": [],
"w2l_urls": [],
"return_is_size": False
},
{
"parent_name": "SetItemContent",
"l2w_names": [],
"l2w_lens": [],
"l2w_urls": [],
"w2l_names": ["pszContentFolder"],
"w2l_arrays": [False],
"w2l_urls": [False],
"return_is_size": False
},
{
"parent_name": "SetItemPreview",
"l2w_names": [],
"l2w_lens": [],
"l2w_urls": [],
"w2l_names": ["pszPreviewFile"],
"w2l_arrays": [False],
"w2l_urls": [False],
"return_is_size": False
},
{
"parent_name": "AddItemPreviewFile",
"l2w_names": [],
"l2w_lens": [],
"l2w_urls": [],
"w2l_names": ["pszPreviewFile"],
"w2l_arrays": [False],
"w2l_urls": [False],
"return_is_size": False
},
{
"parent_name": "UpdateItemPreviewFile",
"l2w_names": [],
"l2w_lens": [],
"l2w_urls": [],
"w2l_names": ["pszPreviewFile"],
"w2l_arrays": [False],
"w2l_urls": [False],
"return_is_size": False
},
{
"parent_name": "GetItemInstallInfo",
"l2w_names": ["pchFolder"],
"l2w_lens": ["cchFolderSize"],
"l2w_urls": [False],
"w2l_names": [],
"w2l_arrays": [],
"w2l_urls": [],
"return_is_size": False
},
{
"parent_name": "BInitWorkshopForGameServer",
"l2w_names": [],
"l2w_lens": [],
"l2w_urls": [],
"w2l_names": ["pszFolder"],
"w2l_arrays": [False],
"w2l_urls": [False],
"return_is_size": False
},
{
"parent_name": "GetUserDataFolder",
"l2w_names": ["pchBuffer"],
"l2w_lens": ["cubBuffer"],
"l2w_urls": [False],
"w2l_names": [],
"w2l_arrays": [],
"w2l_urls": [],
"return_is_size": False
},
{
"parent_name": "CheckFileSignature",
"l2w_names": [],
"l2w_lens": [],
"l2w_urls": [],
"w2l_names": ["szFileName"],
"w2l_arrays": [False],
"w2l_urls": [False],
"return_is_size": False
},
{
"parent_name": "Init",
"l2w_names": [],
"l2w_lens": [],
"l2w_urls": [],
"w2l_names": ["pchAbsolutePathToControllerConfigVDF"],
"w2l_arrays": [False],
"w2l_urls": [False],
"return_is_size": False
},
{
"parent_name": "SetInputActionManifestFilePath",
"l2w_names": [],
"l2w_lens": [],
"l2w_urls": [],
"w2l_names": ["pchInputActionManifestAbsolutePath"],
"w2l_arrays": [False],
"w2l_urls": [False],
"return_is_size": False
},
]
def strip_const(typename):
return typename.replace("const ", "", 1)
windows_structs32 = {}
def find_windows_struct(struct):
return windows_structs32.get(strip_const(struct.spelling), None)
windows_structs64 = {}
def find_windows64_struct(struct):
return windows_structs64.get(strip_const(struct.spelling), None)
linux_structs64 = {}
def find_linux64_struct(struct):
return linux_structs64.get(strip_const(struct.spelling), None)
def struct_needs_conversion_nocache(struct):
if strip_const(struct.spelling) in exempt_structs:
return False
if strip_const(struct.spelling) in manually_handled_structs:
return True
#check 32-bit compat
windows_struct = find_windows_struct(struct)
if windows_struct is None:
print("Couldn't find windows struct for " + struct.spelling)
assert(not windows_struct is None) #must find windows_struct
for field in struct.get_fields():
if struct.get_offset(field.spelling) != windows_struct.get_offset(field.spelling):
return True
if field.type.kind == TypeKind.RECORD and \
struct_needs_conversion(field.type):
return True
#check 64-bit compat
windows_struct = find_windows64_struct(struct)
assert(not windows_struct is None) #must find windows_struct
lin64_struct = find_linux64_struct(struct)
assert(not lin64_struct is None) #must find lin64_struct
for field in lin64_struct.get_fields():
if lin64_struct.get_offset(field.spelling) != windows_struct.get_offset(field.spelling):
return True
if field.type.kind == TypeKind.RECORD and \
struct_needs_conversion(field.type):
return True
#check if any members need path conversion
path_conv = get_path_converter(struct)
if path_conv:
return True
return False
def struct_needs_conversion(struct):
if not sdkver in struct_conversion_cache:
struct_conversion_cache[sdkver] = {}
if not strip_const(struct.spelling) in struct_conversion_cache[sdkver]:
struct_conversion_cache[sdkver][strip_const(struct.spelling)] = struct_needs_conversion_nocache(struct)
return struct_conversion_cache[sdkver][strip_const(struct.spelling)]
def handle_destructor(cfile, classname, winclassname, method):
cfile.write(f"DEFINE_THISCALL_WRAPPER({winclassname}_destructor, 4)\n")
cfile.write(f"void __thiscall {winclassname}_destructor({winclassname} *_this)\n{{/* never called */}}\n\n")
return "destructor"
def get_path_converter(parent):
for conv in path_conversions:
if conv["parent_name"] in parent.spelling:
if None in conv["l2w_names"]:
return conv
if type(parent) == Type:
children = list(parent.get_fields())
else:
children = list(parent.get_children())
for child in children:
if child.spelling in conv["w2l_names"] or \
child.spelling in conv["l2w_names"]:
return conv
return None
class DummyWriter(object):
def write(self, s):
#noop
pass
def to_c_bool(b):
if b:
return "1"
return "0"
dummy_writer = DummyWriter()
def handle_method(cfile, classname, winclassname, cppname, method, cpp, cpp_h, existing_methods):
used_name = method.spelling
if used_name in existing_methods:
number = '2'
while used_name in existing_methods:
idx = existing_methods.index(used_name)
used_name = f"{method.spelling}_{number}"
number = chr(ord(number) + 1)
existing_methods.insert(idx, used_name)
else:
existing_methods.append(used_name)
returns_record = method.result_type.get_canonical().kind == TypeKind.RECORD
if returns_record:
parambytes = 8 #_this + return pointer
else:
parambytes = 4 #_this
for param in list(method.get_children()):
if param.kind == CursorKind.PARM_DECL:
if param.type.kind == TypeKind.LVALUEREFERENCE:
parambytes += 4
else:
parambytes += int(math.ceil(param.type.get_size()/4.0) * 4)
if method_needs_manual_handling(cppname, used_name):
cpp = dummy_writer #just don't write the cpp function
cfile.write(f"DEFINE_THISCALL_WRAPPER({winclassname}_{used_name}, {parambytes})\n")
cpp_h.write("extern ")
if method.result_type.spelling.startswith("ISteam"):
cfile.write(f"win{method.result_type.spelling} ")
cpp.write("void *")
cpp_h.write("void *")
elif returns_record:
cfile.write(f"{method.result_type.spelling} *")
cpp.write(f"{method.result_type.spelling} ")
cpp_h.write(f"{method.result_type.spelling} ")
else:
cfile.write(f"{method.result_type.spelling} ")
cpp.write(f"{method.result_type.spelling} ")
cpp_h.write(f"{method.result_type.spelling} ")
cfile.write(f'__thiscall {winclassname}_{used_name}({winclassname} *_this')
cpp.write(f"{cppname}_{used_name}(void *linux_side")
cpp_h.write(f"{cppname}_{used_name}(void *")
if returns_record:
cfile.write(f", {method.result_type.spelling} *_r")
unnamed = 'a'
need_convert = []
manual_convert = []
for param in list(method.get_children()):
if param.kind == CursorKind.PARM_DECL:
if param.type.kind == TypeKind.POINTER and \
(param.type.get_pointee().kind == TypeKind.UNEXPOSED or param.type.get_pointee().kind == TypeKind.FUNCTIONPROTO):
#unspecified function pointer
typename = "void *"
else:
typename = param.type.spelling.split("::")[-1]
real_type = param.type
while real_type.kind == TypeKind.POINTER:
real_type = real_type.get_pointee()
win_name = typename
if real_type.kind == TypeKind.RECORD and \
not real_type.spelling in wrapped_classes and \
struct_needs_conversion(real_type):
need_convert.append(param)
#preserve pointers
win_name = typename.replace(real_type.spelling, f"win{real_type.spelling}_{sdkver}")
elif real_type.spelling in manual_type_converters:
manual_convert.append(param)
elif param.spelling in manual_param_converters:
manual_convert.append(param)
win_name = win_name.replace('&', '*')
if param.spelling == "":
cfile.write(f", {win_name} _{unnamed}")
cpp.write(f", {win_name} _{unnamed}")
cpp_h.write(f", {win_name}")
unnamed = chr(ord(unnamed) + 1)
else:
cfile.write(f", {win_name} {param.spelling}")
cpp.write(f", {win_name} {param.spelling}")
cpp_h.write(f", {win_name}")
cfile.write(")\n{\n")
cpp.write(")\n{\n")
cpp_h.write(");\n")
path_conv = get_path_converter(method)
if path_conv:
for i in range(len(path_conv["w2l_names"])):
if path_conv["w2l_arrays"][i]:
cfile.write(f" const char **lin_{path_conv['w2l_names'][i]} = steamclient_dos_to_unix_stringlist({path_conv['w2l_names'][i]});\n")
# TODO
pass
else:
cfile.write(f" char lin_{path_conv['w2l_names'][i]}[PATH_MAX];\n")
cfile.write(f" steamclient_dos_path_to_unix_path({path_conv['w2l_names'][i]}, lin_{path_conv['w2l_names'][i]}, {to_c_bool(path_conv['w2l_urls'][i])});\n")
if None in path_conv["l2w_names"]:
cfile.write(" const char *path_result;\n")
elif path_conv["return_is_size"]:
cfile.write(" uint32 path_result;\n")
elif len(path_conv["l2w_names"]) > 0:
cfile.write(f" {method.result_type.spelling} path_result;\n")
for param in need_convert:
if param.type.kind == TypeKind.POINTER:
#handle single pointers, but not double pointers
real_type = param.type
while real_type.kind == TypeKind.POINTER:
real_type = real_type.get_pointee()
assert(param.type.get_pointee().kind == TypeKind.RECORD or \
strip_const(real_type.spelling) in manually_handled_structs)
cpp.write(f" {strip_const(param.type.get_pointee().spelling)} lin_{param.spelling};\n")
cpp.write(f" win_to_lin_struct_{strip_const(real_type.spelling)}_{sdkver}({param.spelling}, &lin_{param.spelling});\n")
else:
#raw structs
cpp.write(f" {param.type.spelling} lin_{param.spelling};\n")
cpp.write(f" win_to_lin_struct_{param.type.spelling}_{sdkver}(&{param.spelling}, &lin_{param.spelling});\n")
for param in manual_convert:
if param.spelling in manual_param_converters:
cpp.write(f" {param.spelling} = manual_convert_{param.spelling}({param.spelling});\n")
else:
cpp.write(f" {param.spelling} = ({param.type.spelling})manual_convert_{param.type.spelling}((void*){param.spelling});\n")
cfile.write(" TRACE(\"%p\\n\", _this);\n")
if method.result_type.kind == TypeKind.VOID:
cfile.write(" ")
elif path_conv and (len(path_conv["l2w_names"]) > 0 or path_conv["return_is_size"]):
cfile.write(" path_result = ")
elif returns_record:
cfile.write(" *_r = ")
else:
cfile.write(" return ")
if method.result_type.kind == TypeKind.VOID:
cpp.write(" ")
elif len(need_convert) > 0:
cpp.write(f" {method.result_type.spelling} retval = ")
else:
cpp.write(" return ")
post_exec = post_execution_function(classname, method.spelling)
if post_exec != None:
cpp.write(post_exec + '(');
should_do_cb_wrap = "GetAPICallResult" in used_name
should_gen_wrapper = cpp != dummy_writer and \
(method.result_type.spelling.startswith("ISteam") or \
used_name.startswith("GetISteamGenericInterface"))
if should_do_cb_wrap:
cfile.write(f"do_cb_wrap(0, _this->linux_side, &{cppname}_{used_name}")
else:
if should_gen_wrapper:
cfile.write("create_win_interface(pchVersion,\n ")
cfile.write(f"{cppname}_{used_name}(_this->linux_side")
cpp.write(f"(({classname}*)linux_side)->{method.spelling}(")
unnamed = 'a'
first = True
for param in list(method.get_children()):
if param.kind == CursorKind.PARM_DECL:
if not first:
cpp.write(", ")
else:
first = False
if param.spelling == "":
cfile.write(f", _{unnamed}")
cpp.write(f"({param.type.spelling})_{unnamed}")
unnamed = chr(ord(unnamed) + 1)
elif param.type.kind == TypeKind.POINTER and \
param.type.get_pointee().spelling in wrapped_classes:
cfile.write(f", create_Linux{param.type.get_pointee().spelling}({param.spelling}, \"{winclassname}\")")
cpp.write(f"({param.type.spelling}){param.spelling}")
elif path_conv and param.spelling in path_conv["w2l_names"]:
cfile.write(f", {param.spelling} ? lin_{param.spelling} : NULL")
cpp.write(f"({param.type.spelling}){param.spelling}")
elif param in need_convert:
cfile.write(f", {param.spelling}")
if param.type.kind != TypeKind.POINTER:
cpp.write(f"lin_{param.spelling}")
else:
cpp.write(f"&lin_{param.spelling}")
elif param.type.kind == TypeKind.LVALUEREFERENCE:
cfile.write(f", {param.spelling}")
cpp.write(f"*{param.spelling}")
else:
cfile.write(f", {param.spelling}")
cpp.write(f"({param.type.spelling}){param.spelling}")
if should_gen_wrapper:
cfile.write(")")
cfile.write(");\n")
if post_exec != None:
cpp.write(")")
cpp.write(");\n")
if returns_record:
cfile.write(" return _r;\n")
if path_conv and len(path_conv["l2w_names"]) > 0:
for i in range(len(path_conv["l2w_names"])):
cfile.write(" ")
if path_conv["return_is_size"]:
cfile.write("path_result = ")
cfile.write(f"steamclient_unix_path_to_dos_path(path_result, {path_conv['l2w_names'][i]}, {path_conv['l2w_names'][i]}, {path_conv['l2w_lens'][i]}, {to_c_bool(path_conv['l2w_urls'][i])});\n")
cfile.write(" return path_result;\n")
if path_conv:
for i in range(len(path_conv["w2l_names"])):
if path_conv["w2l_arrays"][i]:
cfile.write(f" steamclient_free_stringlist(lin_{path_conv['w2l_names'][i]});\n")
cfile.write("}\n\n")
for param in need_convert:
if param.type.kind == TypeKind.POINTER:
if not "const " in param.type.spelling: #don't modify const arguments
real_type = param.type
while real_type.kind == TypeKind.POINTER:
real_type = real_type.get_pointee()
cpp.write(f" lin_to_win_struct_{real_type.spelling}_{sdkver}(&lin_{param.spelling}, {param.spelling});\n")
else:
cpp.write(f" lin_to_win_struct_{param.type.spelling}_{sdkver}(&lin_{param.spelling}, &{param.spelling});\n")
if method.result_type.kind != TypeKind.VOID and \
len(need_convert) > 0:
cpp.write(" return retval;\n")
cpp.write("}\n\n")
def get_iface_version(classname):
# ISteamClient -> STEAMCLIENT_INTERFACE_VERSION
defname = f"{classname[1:].upper()}_INTERFACE_VERSION"
if defname in iface_versions.keys():
ver = iface_versions[defname]
else:
defname = f"{classname[1:].upper()}_VERSION"
if defname in iface_versions.keys():
ver = iface_versions[defname]
else:
ver = "UNVERSIONED"
if classname in class_versions.keys() and ver in class_versions[classname]:
return (ver, True)
if not classname in class_versions.keys():
class_versions[classname] = []
class_versions[classname].append(ver)
return (ver, False)
def handle_class(sdkver, classnode, file):
children = list(classnode.get_children())
if len(children) == 0:
return
(iface_version, already_generated) = get_iface_version(classnode.spelling)
if already_generated:
return
winname = f"win{classnode.spelling}"
cppname = f"cpp{classnode.spelling}_{iface_version}"
file_exists = os.path.isfile(f"{winname}.c")
cfile = open(f"{winname}.c", "a")
if not file_exists:
cfile.write("""/* This file is auto-generated, do not edit. */
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "wine/debug.h"
#include "cxx.h"
#include "steam_defs.h"
#include "steamclient_private.h"
#include "struct_converters.h"
WINE_DEFAULT_DEBUG_CHANNEL(steamclient);
""")
cpp = open(f"{cppname}.cpp", "w")
cpp.write("#include \"steam_defs.h\"\n")
cpp.write("#pragma push_macro(\"__cdecl\")\n")
cpp.write("#undef __cdecl\n")
cpp.write("#define __cdecl\n")
cpp.write(f"#include \"steamworks_sdk_{sdkver}/steam_api.h\"\n")
if os.path.isfile(f"steamworks_sdk_{sdkver}/steamnetworkingtypes.h"):
cpp.write(f"#include \"steamworks_sdk_{sdkver}/steamnetworkingtypes.h\"\n")
if not file == "steam_api.h":
cpp.write(f"#include \"steamworks_sdk_{sdkver}/{file}\"\n")
cpp.write("#pragma pop_macro(\"__cdecl\")\n")
cpp.write("#include \"steamclient_private.h\"\n")
cpp.write("#ifdef __cplusplus\nextern \"C\" {\n#endif\n")
cpp.write(f"#define SDKVER_{sdkver}\n")
cpp.write("#include \"struct_converters.h\"\n")
cpp.write(f"#include \"{cppname}.h\"\n")
cpp_h = open(f"{cppname}.h", "w")
winclassname = f"win{classnode.spelling}_{iface_version}"
cfile.write(f"#include \"{cppname}.h\"\n\n")
cfile.write(f"typedef struct __{winclassname} {{\n")
cfile.write(" vtable_ptr *vtable;\n")
cfile.write(" void *linux_side;\n")
cfile.write(f"}} {winclassname};\n\n")
methods = []
for child in children:
if child.kind == CursorKind.CXX_METHOD and \
child.is_virtual_method():
handle_method(cfile, classnode.spelling, winclassname, cppname, child, cpp, cpp_h, methods)
elif child.kind == CursorKind.DESTRUCTOR:
methods.append(handle_destructor(cfile, classnode.spelling, winclassname, child))
cfile.write(f"extern vtable_ptr {winclassname}_vtable;\n\n")
cfile.write("#ifndef __GNUC__\n")
cfile.write("void __asm_dummy_vtables(void) {\n")
cfile.write("#endif\n")
cfile.write(f" __ASM_VTABLE({winclassname},\n")
for method in methods:
cfile.write(f" VTABLE_ADD_FUNC({winclassname}_{method})\n")
cfile.write(" );\n")
cfile.write("#ifndef __GNUC__\n")
cfile.write("}\n")
cfile.write("#endif\n\n")
cfile.write(f"{winclassname} *create_{winclassname}(void *linux_side)\n{{\n")
if classnode.spelling in wrapped_classes:
cfile.write(f" {winclassname} *r = HeapAlloc(GetProcessHeap(), 0, sizeof({winclassname}));\n")
else:
cfile.write(f" {winclassname} *r = alloc_mem_for_iface(sizeof({winclassname}), \"{iface_version}\");\n")
cfile.write(" TRACE(\"-> %p\\n\", r);\n")
cfile.write(f" r->vtable = alloc_vtable(&{winclassname}_vtable, {len(methods)}, \"{iface_version}\");\n")
cfile.write(" r->linux_side = linux_side;\n")
cfile.write(" return r;\n}\n\n")
cpp.write("#ifdef __cplusplus\n}\n#endif\n")
constructors = open("win_constructors.h", "a")
constructors.write(f"extern void *create_{winclassname}(void *);\n")
constructors = open("win_constructors_table.dat", "a")
constructors.write(f" {{\"{iface_version}\", &create_{winclassname}}},\n")
if iface_version in aliases.keys():
for alias in aliases[iface_version]:
constructors.write(f" {{\"{alias}\", &create_{winclassname}}}, /* alias */\n")
generated_cb_handlers = []
generated_cb_ids = []
cpp_files_need_close_brace = []
cb_table = {}
cb_table64 = {}
def get_field_attribute_str(field):
if field.type.kind != TypeKind.RECORD:
return ""
win_struct = find_windows_struct(field.type)
if win_struct is None:
align = field.type.get_align()
else:
align = win_struct.get_align()
return " __attribute__((aligned(" + str(align) + ")))"
#because of struct packing differences between win32 and linux, we
#need to convert these structs from their linux layout to the win32
#layout.
def handle_struct(sdkver, struct):
members = struct.get_children()
cb_num = None
has_fields = False
for c in members:
if c.kind == CursorKind.ENUM_DECL:
enums = c.get_children()
for e in enums:
if e.displayname == "k_iCallback":
cb_num = e.enum_value
if c.kind == CursorKind.FIELD_DECL:
has_fields = True
w2l_handler_name = None
l2w_handler_name = None
def dump_win_struct(to_file, name):
to_file.write("#pragma pack( push, 8 )\n")
to_file.write(f"struct win{name} {{\n")
for m in struct.get_children():
if m.kind == CursorKind.FIELD_DECL:
if m.type.kind == TypeKind.CONSTANTARRAY:
to_file.write(f" {m.type.element_type.spelling} {m.displayname}[{m.type.element_count}];\n")
elif m.type.kind == TypeKind.RECORD and \
struct_needs_conversion(m.type):
to_file.write(f" win{m.type.spelling}_{sdkver} {m.displayname};\n")
else:
if m.type.kind == TypeKind.POINTER and \
(m.type.get_pointee().kind == TypeKind.UNEXPOSED or m.type.get_pointee().kind == TypeKind.FUNCTIONPROTO):
to_file.write(f" void *{m.displayname}; /*fn pointer*/\n")
else:
to_file.write(f" {m.type.spelling} {m.displayname}{get_field_attribute_str(m)};\n")
to_file.write("} __attribute__ ((ms_struct));\n")
to_file.write("#pragma pack( pop )\n")
if cb_num is None:
hfile = open("struct_converters.h", "a")
if not has_fields:
return
if struct.spelling == "":
return
if not struct_needs_conversion(struct.type):
return
struct_name = f"{struct.displayname}_{sdkver}"
if struct_name in converted_structs:
return
converted_structs.append(struct_name)
w2l_handler_name = f"win_to_lin_struct_{struct_name}"
l2w_handler_name = f"lin_to_win_struct_{struct_name}"
l2w_handler_name64 = None
hfile.write(f"#if defined(SDKVER_{sdkver}) || !defined(__cplusplus)\n")
dump_win_struct(hfile, struct_name)
hfile.write(f"typedef struct win{struct_name} win{struct_name};\n")
hfile.write(f"struct {struct.displayname};\n")
if strip_const(struct.spelling) in manually_handled_structs:
hfile.write("#endif\n\n")
return
hfile.write(f"extern void {w2l_handler_name}(const struct win{struct_name} *w, struct {struct.displayname} *l);\n")
hfile.write(f"extern void {l2w_handler_name}(const struct {struct.displayname} *l, struct win{struct_name} *w);\n")
hfile.write("#endif\n\n")
else:
#for callbacks, we use the windows struct size in the cb dispatch switch
windows_struct = find_windows_struct(struct.type)
windows_struct64 = find_windows64_struct(struct.type)
struct64 = find_linux64_struct(struct.type)
struct_name = f"{struct.displayname}_{windows_struct.get_size()}"
l2w_handler_name = f"cb_{struct_name}"
if windows_struct64.get_size() != windows_struct.get_size():
struct_name64 = f"{struct.displayname}_{windows_struct64.get_size()}"
l2w_handler_name64 = f"cb_{struct_name64}"
else:
l2w_handler_name64 = None
if l2w_handler_name in generated_cb_handlers:
# we already have a handler for the callback struct of this size
return
if not struct_needs_conversion(struct.type):
return
cb_id = cb_num | (struct.type.get_size() << 16)
cb_id64 = cb_num | (struct64.get_size() << 16)
if cb_id in generated_cb_ids:
# either this cb changed name, or steam used the same ID for different structs
return
generated_cb_ids.append(cb_id)
datfile = open("cb_converters.dat", "a")
if l2w_handler_name64:
datfile.write("#ifdef __i386__\n")
datfile.write(f"case 0x{cb_id:08x}: win_msg->m_cubParam = {windows_struct.get_size()}; win_msg->m_pubParam = HeapAlloc(GetProcessHeap(), 0, win_msg->m_cubParam); {l2w_handler_name}((void*)lin_msg.m_pubParam, (void*)win_msg->m_pubParam); break;\n")
datfile.write("#endif\n")
datfile.write("#ifdef __x86_64__\n")
datfile.write(f"case 0x{cb_id64:08x}: win_msg->m_cubParam = {windows_struct64.get_size()}; win_msg->m_pubParam = HeapAlloc(GetProcessHeap(), 0, win_msg->m_cubParam); {l2w_handler_name64}((void*)lin_msg.m_pubParam, (void*)win_msg->m_pubParam); break;\n")
datfile.write("#endif\n")
else:
datfile.write(f"case 0x{cb_id:08x}: win_msg->m_cubParam = {windows_struct.get_size()}; win_msg->m_pubParam = HeapAlloc(GetProcessHeap(), 0, win_msg->m_cubParam); {l2w_handler_name}((void*)lin_msg.m_pubParam, (void*)win_msg->m_pubParam); break;\n")
generated_cb_handlers.append(l2w_handler_name)
if not cb_num in cb_table.keys():
# latest SDK linux size, list of windows struct sizes and names
cb_table[cb_num] = (struct.type.get_size(), [])
if l2w_handler_name64:
cb_table64[cb_num] = (struct64.get_size(), [])
else:
cb_table64[cb_num] = (struct.type.get_size(), [])
cb_table[cb_num][1].append((windows_struct.get_size(), struct_name))
if l2w_handler_name64:
cb_table64[cb_num][1].append((windows_struct64.get_size(), struct_name64))
else:
cb_table64[cb_num][1].append((windows_struct.get_size(), struct_name))
hfile = open("cb_converters.h", "a")
hfile.write(f"struct {struct.displayname};\n")
if l2w_handler_name64:
hfile.write("#ifdef __i386__\n")
hfile.write(f"struct win{struct_name};\n")
hfile.write(f"extern void {l2w_handler_name}(const struct {struct.displayname} *l, struct win{struct_name} *w);\n")
hfile.write("#endif\n")
hfile.write("#ifdef __x86_64__\n")
hfile.write(f"struct win{struct_name64};\n")
hfile.write(f"extern void {l2w_handler_name64}(const struct {struct.displayname} *l, struct win{struct_name64} *w);\n")
hfile.write("#endif\n\n")
else:
hfile.write(f"struct win{struct_name};\n")
hfile.write(f"extern void {l2w_handler_name}(const struct {struct.displayname} *l, struct win{struct_name} *w);\n\n")
cppname = f"struct_converters_{sdkver}.cpp"
file_exists = os.path.isfile(cppname)
cppfile = open(cppname, "a")
if not file_exists:
cppfile.write("#include \"steam_defs.h\"\n")
cppfile.write("#pragma push_macro(\"__cdecl\")\n")
cppfile.write("#undef __cdecl\n")
cppfile.write("#define __cdecl\n")
cppfile.write(f"#include \"steamworks_sdk_{sdkver}/steam_api.h\"\n")
cppfile.write(f"#include \"steamworks_sdk_{sdkver}/isteamgameserver.h\"\n")
if os.path.isfile(f"steamworks_sdk_{sdkver}/isteamnetworkingsockets.h"):
cppfile.write(f"#include \"steamworks_sdk_{sdkver}/isteamnetworkingsockets.h\"\n")
if os.path.isfile(f"steamworks_sdk_{sdkver}/isteamgameserverstats.h"):
cppfile.write(f"#include \"steamworks_sdk_{sdkver}/isteamgameserverstats.h\"\n")
if os.path.isfile(f"steamworks_sdk_{sdkver}/isteamgamecoordinator.h"):
cppfile.write(f"#include \"steamworks_sdk_{sdkver}/isteamgamecoordinator.h\"\n")
if os.path.isfile(f"steamworks_sdk_{sdkver}/steamnetworkingtypes.h"):
cppfile.write(f"#include \"steamworks_sdk_{sdkver}/steamnetworkingtypes.h\"\n")
cppfile.write("#pragma pop_macro(\"__cdecl\")\n")
cppfile.write("#include \"steamclient_private.h\"\n")
cppfile.write("extern \"C\" {\n")
cppfile.write(f"#define SDKVER_{sdkver}\n")
cppfile.write("#include \"struct_converters.h\"\n")
cpp_files_need_close_brace.append(cppname)
path_conv = get_path_converter(struct.type)
def handle_field(m, src, dst):
if m.kind == CursorKind.FIELD_DECL:
if m.type.kind == TypeKind.CONSTANTARRAY:
assert(m.type.element_type.kind != TypeKind.RECORD or \
not struct_needs_conversion(m.type.element_type))
cppfile.write(f" memcpy({dst}->{m.displayname}, {src}->{m.displayname}, sizeof({dst}->{m.displayname}));\n")
elif m.type.kind == TypeKind.RECORD and \
struct_needs_conversion(m.type):
cppfile.write(f" {src}_to_{dst}_struct_{m.type.spelling}_{sdkver}(&{src}->{m.displayname}, &{dst}->{m.displayname});\n")
elif path_conv and m.displayname in path_conv["l2w_names"]:
for i in range(len(path_conv["l2w_names"])):
if path_conv["l2w_names"][i] == m.displayname:
url = path_conv["l2w_urls"][i]
break
cppfile.write(f" steamclient_unix_path_to_dos_path(1, {src}->{m.displayname}, g_tmppath, sizeof(g_tmppath), {to_c_bool(url)});\n")
cppfile.write(f" {dst}->{m.displayname} = g_tmppath;\n")
else:
cppfile.write(f" {dst}->{m.displayname} = {src}->{m.displayname};\n")
if not cb_num is None:
if l2w_handler_name64:
cppfile.write("#ifdef __i386__\n")
dump_win_struct(cppfile, struct_name)
cppfile.write("#endif\n")
cppfile.write("#ifdef __x86_64__\n")
dump_win_struct(cppfile, struct_name64)
cppfile.write("#endif\n")
else:
dump_win_struct(cppfile, struct_name)
if w2l_handler_name:
cppfile.write(f"void {w2l_handler_name}(const struct win{struct_name} *win, struct {struct.displayname} *lin)\n{{\n")
for m in struct.get_children():
handle_field(m, "win", "lin")
cppfile.write("}\n\n")
if l2w_handler_name64:
cppfile.write("#ifdef __x86_64__\n")
cppfile.write(f"void {l2w_handler_name64}(const struct {struct.displayname} *lin, struct win{struct_name64} *win)\n{{\n")
for m in struct.get_children():
handle_field(m, "lin", "win")
cppfile.write("}\n")
cppfile.write("#endif\n\n")
if l2w_handler_name:
if l2w_handler_name64:
cppfile.write("#ifdef __i386__\n")
cppfile.write(f"void {l2w_handler_name}(const struct {struct.displayname} *lin, struct win{struct_name} *win)\n{{\n")
for m in struct.get_children():
handle_field(m, "lin", "win")
cppfile.write("}\n")
if l2w_handler_name64:
cppfile.write("#endif\n\n")
else:
cppfile.write("\n")
prog = re.compile("^#define\s*(\w*)\s*\"(.*)\"")
for sdkver in sdk_versions:
print(f"parsing SDK version {sdkver}...")
sdkdir = f"steamworks_sdk_{sdkver}"
sources = {}
iface_versions = {}
for file in os.listdir(sdkdir):
# Some files from Valve have non-UTF-8 stuff in the comments
# (typically the copyright symbol); therefore we ignore UTF-8
# encoding errors
lines = open(f"{sdkdir}/{file}", "r", errors="replace").readlines()
if file == "isteammasterserverupdater.h":
if """#error "This file isn't used any more"\n""" in lines:
sources[f"{sdkdir}/isteammasterserverupdater.h"] = ""
for line in lines:
if "define STEAM" in line and "_VERSION" in line:
result = prog.match(line)
if result:
iface, version = result.group(1, 2)
iface_versions[iface] = version
source = [f"""#if __has_include("{sdkdir}/{file}")
#include "{sdkdir}/{file}"
#endif""" for file, _ in files]
sources["source.cpp"] = "\n".join(source)
windows_args = ["-D_WIN32", "-fms-extensions", "-Wno-ignored-attributes",
"-mms-bitfields", "-U__linux__", "-Wno-incompatible-ms-struct"]
windows_args += ['-I' + CLANG_PATH + '/include/']
linux_args = ["-DGNUC"]
linux_args += ['-I' + CLANG_PATH + '/include/']
index = Index.create()
linux_build32 = index.parse("source.cpp", args=linux_args + ["-m32"], unsaved_files=sources.items())
diagnostics = list(linux_build32.diagnostics)
for diag in diagnostics: print(diag)
assert len(diagnostics) == 0
linux_build64 = index.parse("source.cpp", args=linux_args + ["-m64"], unsaved_files=sources.items())
diagnostics = list(linux_build64.diagnostics)
for diag in diagnostics: print(diag)
assert len(diagnostics) == 0
windows_build32 = index.parse("source.cpp", args=windows_args + ["-m32"], unsaved_files=sources.items())
diagnostics = list(windows_build32.diagnostics)
for diag in diagnostics: print(diag)
assert len(diagnostics) == 0
windows_build64 = index.parse("source.cpp", args=windows_args + ["-m64"], unsaved_files=sources.items())
diagnostics = list(windows_build64.diagnostics)
for diag in diagnostics: print(diag)
assert len(diagnostics) == 0
linux_structs64 = dict(reversed([(child.spelling, child.type) for child
in linux_build64.cursor.get_children()]))
windows_structs32 = dict(reversed([(child.spelling, child.type) for child
in windows_build32.cursor.get_children()]))
windows_structs64 = dict(reversed([(child.spelling, child.type) for child
in windows_build64.cursor.get_children()]))
classes = dict([(klass, file) for file, classes in files for klass in classes])
for child in linux_build32.cursor.get_children():
if child.kind == CursorKind.CLASS_DECL and child.displayname in classes:
handle_class(sdkver, child, classes[child.displayname])
if child.kind in [CursorKind.STRUCT_DECL, CursorKind.CLASS_DECL]:
handle_struct(sdkver, child)
if child.displayname in print_sizes:
print("size of %s is %u" % (child.displayname, child.type.get_size()))
for f in cpp_files_need_close_brace:
m = open(f, "a")
m.write("\n}\n")
getapifile = open("cb_getapi_table.dat", "w")
cbsizefile = open("cb_getapi_sizes.dat", "w")
cbsizefile.write("#ifdef __i386__\n")
getapifile.write("#ifdef __i386__\n")
for cb in sorted(cb_table.keys()):
cbsizefile.write(f"case {cb}: /* {cb_table[cb][1][0][1]} */\n")
cbsizefile.write(f" return {cb_table[cb][0]};\n")
getapifile.write(f"case {cb}:\n")
getapifile.write(" switch(callback_len){\n")
getapifile.write(" default:\n") # the first one should be the latest, should best support future SDK versions
for (size, name) in cb_table[cb][1]:
getapifile.write(f" case {size}: cb_{name}(lin_callback, callback); break;\n")
getapifile.write(" }\n break;\n")
cbsizefile.write("#endif\n")
getapifile.write("#endif\n")
cbsizefile.write("#ifdef __x86_64__\n")
getapifile.write("#ifdef __x86_64__\n")
for cb in sorted(cb_table64.keys()):
cbsizefile.write(f"case {cb}: /* {cb_table64[cb][1][0][1]} */\n")
cbsizefile.write(f" return {cb_table64[cb][0]};\n")
getapifile.write(f"case {cb}:\n")
getapifile.write(" switch(callback_len){\n")
getapifile.write(" default:\n") # the first one should be the latest, should best support future SDK versions
for (size, name) in cb_table64[cb][1]:
getapifile.write(f" case {size}: cb_{name}(lin_callback, callback); break;\n")
getapifile.write(" }\n break;\n")
cbsizefile.write("#endif\n")
getapifile.write("#endif\n")
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