58ec0b8b97
msvc++ groups overloaded methods and places them in reverse order of declaration in the vtable.
538 lines
20 KiB
Python
Executable file
538 lines
20 KiB
Python
Executable file
#!/usr/bin/env python2
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#NOTE: If you make modifications here, consider whether they should
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#be duplicated in ../vrclient/gen_wrapper.py
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from __future__ import print_function
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import pprint
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import sys
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import clang.cindex
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import os
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import re
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sdk_versions = [
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"142",
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"141",
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"140",
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"139",
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"138a",
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"138",
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"137",
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"136",
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"135a",
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"135",
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"134",
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"133b",
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"133a",
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"133",
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"132",
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"131",
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"130",
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"129a",
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"129",
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"128",
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"127",
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"126a",
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"126",
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"125",
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"124",
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"123a",
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"123",
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"122",
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"121",
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"120",
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"119",
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"118",
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"117",
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"116",
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"115",
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"114",
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"113",
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"112",
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"111",
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"110",
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"109",
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"108",
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"107",
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"106",
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"105",
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"104",
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"103",
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"102",
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"101",
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"100",
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]
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files = [
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("steam_api.h", [
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"ISteamApps",
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"ISteamAppList",
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"ISteamClient",
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"ISteamController",
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"ISteamFriends",
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"ISteamHTMLSurface",
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"ISteamHTTP",
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"ISteamInventory",
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"ISteamMatchmaking",
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"ISteamMatchmakingServers",
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"ISteamMusic",
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"ISteamMusicRemote",
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"ISteamNetworking",
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"ISteamRemoteStorage",
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"ISteamScreenshots",
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"ISteamUGC",
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"ISteamUnifiedMessages",
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"ISteamUser",
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"ISteamUserStats",
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"ISteamUtils",
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"ISteamVideo"
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]),
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("isteamappticket.h", [
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"ISteamAppTicket"
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]),
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("isteamgameserver.h", [
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"ISteamGameServer"
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]),
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("isteamgameserverstats.h", [
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"ISteamGameServerStats"
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]),
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("isteammasterserverupdater.h", [
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"ISteamMasterServerUpdater"
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]),
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("isteamgamecoordinator.h", [
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"ISteamGameCoordinator"
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]),
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("isteamparentalsettings.h", [
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"ISteamParentalSettings"
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]),
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]
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aliases = {
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#Some interface versions are not present in the public SDK
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#headers, but are actually requested by games. It would be nice
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#to verify that these interface versions are actually binary
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#compatible. Lacking that, we hope the next highest version
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#is compatible.
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"SteamClient012":["SteamClient013"],
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"SteamUtils004":["SteamUtils003"], # TimeShift uses SteamUtils003
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#leaving these commented-out. let's see if they turn up in practice,
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#and handle them correctly if so.
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# "SteamFriends011":["SteamFriends010"],
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# "SteamFriends013":["SteamFriends012"],
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# "SteamGameServer008":["SteamGameServer007", "SteamGameServer006"],
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# "SteamMatchMaking004":["SteamMatchMaking003"],
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# "SteamMatchMaking006":["SteamMatchMaking005"],
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# "STEAMREMOTESTORAGE_INTERFACE_VERSION004":["STEAMREMOTESTORAGE_INTERFACE_VERSION003"],
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# "STEAMREMOTESTORAGE_INTERFACE_VERSION008":["STEAMREMOTESTORAGE_INTERFACE_VERSION007"],
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# "STEAMREMOTESTORAGE_INTERFACE_VERSION010":["STEAMREMOTESTORAGE_INTERFACE_VERSION009"],
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# "STEAMUGC_INTERFACE_VERSION005":["STEAMUGC_INTERFACE_VERSION004"],
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# "STEAMUGC_INTERFACE_VERSION007":["STEAMUGC_INTERFACE_VERSION006"],
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# "SteamUser016":["SteamUser015"],
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# "STEAMUSERSTATS_INTERFACE_VERSION009":["STEAMUSERSTATS_INTERFACE_VERSION008"],
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}
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# TODO: we could do this automatically by creating temp files and
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# having clang parse those and detect when the MS-style padding results
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# in identical struct widths. But there's only a couple, so let's cheat...
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skip_structs = [
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"RemoteStorageGetPublishedFileDetailsResult_t_9740",
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"SteamUGCQueryCompleted_t_20",
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"SteamUGCRequestUGCDetailsResult_t_9764"
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]
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print_sizes = []
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class_versions = {}
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def handle_destructor(cfile, classname, winclassname, method):
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cfile.write("DEFINE_THISCALL_WRAPPER(%s_destructor, 4)\n" % winclassname)
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cfile.write("void __thiscall %s_destructor(%s *_this)\n{/* never called */}\n\n" % (winclassname, winclassname))
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return "destructor"
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def handle_method(cfile, classname, winclassname, cppname, method, cpp, cpp_h, existing_methods):
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used_name = method.spelling
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if used_name in existing_methods:
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number = '2'
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while used_name in existing_methods:
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idx = existing_methods.index(used_name)
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used_name = "%s_%s" % (method.spelling, number)
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number = chr(ord(number) + 1)
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existing_methods.insert(idx, used_name)
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else:
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existing_methods.append(used_name)
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returns_record = method.result_type.get_canonical().kind == clang.cindex.TypeKind.RECORD
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if returns_record:
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parambytes = 8 #_this + return pointer
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else:
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parambytes = 4 #_this
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for param in list(method.get_children()):
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if param.kind == clang.cindex.CursorKind.PARM_DECL:
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parambytes += param.type.get_size()
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cfile.write("DEFINE_THISCALL_WRAPPER(%s_%s, %s)\n" % (winclassname, used_name, parambytes))
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cpp_h.write("extern ")
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if method.result_type.spelling.startswith("ISteam"):
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cfile.write("win%s " % (method.result_type.spelling))
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cpp.write("void *")
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cpp_h.write("void *")
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elif returns_record:
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cfile.write("%s *" % method.result_type.spelling)
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cpp.write("%s " % (method.result_type.spelling))
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cpp_h.write("%s " % (method.result_type.spelling))
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else:
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cfile.write("%s " % (method.result_type.spelling))
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cpp.write("%s " % (method.result_type.spelling))
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cpp_h.write("%s " % (method.result_type.spelling))
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cfile.write('__thiscall %s_%s(%s *_this' % (winclassname, used_name, winclassname))
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cpp.write("%s_%s(void *linux_side" % (cppname, used_name))
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cpp_h.write("%s_%s(void *" % (cppname, used_name))
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if returns_record:
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cfile.write(", %s *_r" % method.result_type.spelling)
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unnamed = 'a'
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for param in list(method.get_children()):
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if param.kind == clang.cindex.CursorKind.PARM_DECL:
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if param.type.kind == clang.cindex.TypeKind.POINTER and \
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param.type.get_pointee().kind == clang.cindex.TypeKind.UNEXPOSED:
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#unspecified function pointer
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typename = "void *"
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else:
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typename = param.type.spelling.split("::")[-1];
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if param.spelling == "":
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cfile.write(", %s _%s" % (typename, unnamed))
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cpp.write(", %s _%s" % (typename, unnamed))
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cpp_h.write(", %s" % typename)
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unnamed = chr(ord(unnamed) + 1)
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else:
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cfile.write(", %s %s" % (typename, param.spelling))
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cpp.write(", %s %s" % (typename, param.spelling))
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cpp_h.write(", %s" % (typename))
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cfile.write(")\n{\n")
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cpp.write(")\n{\n")
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cpp_h.write(");\n")
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char_param_is_unix_path = "GetAppInstallDir" in used_name or \
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"GetItemInstallInfo" in used_name
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path_param_name = None
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path_size_param_name = None
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if char_param_is_unix_path:
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cfile.write(" uint32 path_result;\n")
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cfile.write(" TRACE(\"%p\\n\", _this);\n")
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if method.result_type.kind == clang.cindex.TypeKind.VOID:
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cfile.write(" ")
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cpp.write(" ")
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elif char_param_is_unix_path:
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cfile.write(" path_result = ")
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cpp.write(" return ")
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elif returns_record:
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cfile.write(" *_r = ")
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cpp.write(" return ")
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else:
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cfile.write(" return ")
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cpp.write(" return ")
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should_gen_wrapper = method.result_type.spelling.startswith("ISteam") or \
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used_name.startswith("GetISteamGenericInterface")
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if should_gen_wrapper:
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cfile.write("create_win_interface(pchVersion,\n ")
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cfile.write("%s_%s(_this->linux_side" % (cppname, used_name))
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cpp.write("((%s*)linux_side)->%s(" % (classname, method.spelling))
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unnamed = 'a'
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first = True
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for param in list(method.get_children()):
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if param.kind == clang.cindex.CursorKind.PARM_DECL:
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if not first:
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cpp.write(", ")
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else:
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first = False
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if char_param_is_unix_path:
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if param.type.spelling == "char *":
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path_param_name = param.spelling
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elif not path_param_name is None and \
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(param.type.spelling == "uint32" or
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param.type.spelling == "int"):
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path_size_param_name = param.spelling
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if param.spelling == "":
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cfile.write(", _%s" % unnamed)
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cpp.write("(%s)_%s" % (param.type.spelling, unnamed))
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unnamed = chr(ord(unnamed) + 1)
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elif "ISteamMatchmakingServerListResponse" in param.type.spelling:
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cfile.write(", create_LinuxMatchmakingServerListResponse(%s)" % param.spelling)
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cpp.write("(%s)%s" % (param.type.spelling, param.spelling))
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else:
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cfile.write(", %s" % param.spelling)
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cpp.write("(%s)%s" % (param.type.spelling, param.spelling))
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if should_gen_wrapper:
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cfile.write(")")
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cfile.write(");\n")
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cpp.write(");\n")
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if returns_record:
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cfile.write(" return _r;\n")
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if char_param_is_unix_path and not path_param_name is None and not path_size_param_name is None:
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cfile.write(" return steamclient_unix_path_to_dos_path(path_result, %s, %s);\n" % (path_param_name, path_size_param_name))
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cfile.write("}\n\n")
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cpp.write("}\n\n")
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def get_iface_version(classname):
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# ISteamClient -> STEAMCLIENT_INTERFACE_VERSION
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defname = "%s_INTERFACE_VERSION" % classname[1:].upper()
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if defname in iface_versions.keys():
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ver = iface_versions[defname]
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else:
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ver = "UNVERSIONED"
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if classname in class_versions.keys() and ver in class_versions[classname]:
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return (ver, True)
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if not classname in class_versions.keys():
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class_versions[classname] = []
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class_versions[classname].append(ver)
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return (ver, False)
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def handle_class(sdkver, classnode):
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children = list(classnode.get_children())
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if len(children) == 0:
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return
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(iface_version, already_generated) = get_iface_version(classnode.spelling)
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if already_generated:
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return
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winname = "win%s" % classnode.spelling
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cppname = "cpp%s_%s" % (classnode.spelling, iface_version)
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file_exists = os.path.isfile("%s.c" % winname)
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cfile = open("%s.c" % winname, "a")
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if not file_exists:
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cfile.write("""/* This file is auto-generated, do not edit. */
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#include <stdarg.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wine/debug.h"
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#include "cxx.h"
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#include "steam_defs.h"
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#include "steamclient_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(steamclient);
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""")
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cpp = open("%s.cpp" % cppname, "w")
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cpp.write("#include \"steamclient_private.h\"\n")
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cpp.write("#include \"steam_defs.h\"\n")
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cpp.write("#include \"steamworks_sdk_%s/steam_api.h\"\n" % sdkver)
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if not fname == "steam_api.h":
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cpp.write("#include \"steamworks_sdk_%s/%s\"\n" % (sdkver, fname))
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cpp.write("#include \"%s.h\"\n" % cppname)
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cpp.write("#ifdef __cplusplus\nextern \"C\" {\n#endif\n")
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cpp_h = open("%s.h" % cppname, "w")
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cpp_h.write("#ifdef __cplusplus\nextern \"C\" {\n#endif\n")
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winclassname = "win%s_%s" % (classnode.spelling, iface_version)
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cfile.write("#include \"%s.h\"\n\n" % cppname)
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cfile.write("typedef struct __%s {\n" % winclassname)
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cfile.write(" vtable_ptr *vtable;\n")
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cfile.write(" void *linux_side;\n")
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cfile.write("} %s;\n\n" % winclassname)
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methods = []
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for child in children:
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if child.kind == clang.cindex.CursorKind.CXX_METHOD:
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handle_method(cfile, classnode.spelling, winclassname, cppname, child, cpp, cpp_h, methods)
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elif child.kind == clang.cindex.CursorKind.DESTRUCTOR:
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methods.append(handle_destructor(cfile, classnode.spelling, winclassname, child))
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cfile.write("extern vtable_ptr %s_vtable;\n\n" % winclassname)
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cfile.write("#ifndef __GNUC__\n")
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cfile.write("void __asm_dummy_vtables(void) {\n")
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cfile.write("#endif\n")
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cfile.write(" __ASM_VTABLE(%s,\n" % winclassname)
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for method in methods:
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cfile.write(" VTABLE_ADD_FUNC(%s_%s)\n" % (winclassname, method))
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cfile.write(" );\n")
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cfile.write("#ifndef __GNUC__\n")
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cfile.write("}\n")
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cfile.write("#endif\n\n")
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cfile.write("%s *create_%s(void *linux_side)\n{\n" % (winclassname, winclassname))
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cfile.write(" %s *r = HeapAlloc(GetProcessHeap(), 0, sizeof(%s));\n" % (winclassname, winclassname))
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cfile.write(" TRACE(\"-> %p\\n\", r);\n")
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cfile.write(" r->vtable = &%s_vtable;\n" % winclassname)
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cfile.write(" r->linux_side = linux_side;\n")
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cfile.write(" return r;\n}\n\n")
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cpp.write("#ifdef __cplusplus\n}\n#endif\n")
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cpp_h.write("#ifdef __cplusplus\n}\n#endif\n")
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constructors = open("win_constructors.h", "a")
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constructors.write("extern void *create_%s(void *);\n" % winclassname)
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constructors = open("win_constructors_table.dat", "a")
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constructors.write(" {\"%s\", &create_%s},\n" % (iface_version, winclassname))
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if iface_version in aliases.keys():
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for alias in aliases[iface_version]:
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constructors.write(" {\"%s\", &create_%s}, /* alias */\n" % (alias, winclassname))
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generated_cb_handlers = []
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generated_cb_ids = []
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cpp_files_need_close_brace = []
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cb_table = {}
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#because of struct packing differences between win32 and linux, we
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#need to convert these structs from their linux layout to the win32
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#layout.
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#TODO: could we optimize this by detecting if the structs are the
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#same layout at generation-time?
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def handle_callback_struct(sdkver, callback, cb_num):
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handler_name = "%s_%s" % (callback.displayname, callback.type.get_size())
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if handler_name in generated_cb_handlers:
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# we already have a handler for the callback struct of this size
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return
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if handler_name in skip_structs:
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# due to padding, some structs have the same width across versions of
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# the SDK. since we key our lin->win conversion on the win struct size,
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# we can skip the smaller structs and just write into the padding on
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# older versions
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# TODO: we could automate this. see comment near skip_structs declaration
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return
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cb_id = cb_num | (callback.type.get_size() << 16)
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if cb_id in generated_cb_ids:
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# either this cb changed name, or steam used the same ID for different structs
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return
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generated_cb_ids.append(cb_id)
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filename_base = "cb_converters_%s" % sdkver
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cppname = "%s.cpp" % filename_base
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file_exists = os.path.isfile(cppname)
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cppfile = open(cppname, "a")
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if not file_exists:
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cppfile.write("#include \"steamclient_private.h\"\n")
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cppfile.write("#include \"steam_defs.h\"\n")
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cppfile.write("#include \"steamworks_sdk_%s/steam_api.h\"\n" % sdkver)
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cppfile.write("#include \"steamworks_sdk_%s/isteamgameserver.h\"\n" % (sdkver))
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if os.path.isfile("steamworks_sdk_%s/isteamgameserverstats.h" % sdkver):
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cppfile.write("#include \"steamworks_sdk_%s/isteamgameserverstats.h\"\n" % (sdkver))
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if os.path.isfile("steamworks_sdk_%s/isteamgamecoordinator.h" % sdkver):
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cppfile.write("#include \"steamworks_sdk_%s/isteamgamecoordinator.h\"\n" % sdkver)
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cppfile.write("extern \"C\" {\n")
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cpp_files_need_close_brace.append(cppname)
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datfile = open("cb_converters.dat", "a")
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datfile.write("case 0x%08x: win_msg->m_cubParam = sizeof(struct win%s); win_msg->m_pubParam = HeapAlloc(GetProcessHeap(), 0, win_msg->m_cubParam); cb_%s(lin_msg.m_pubParam, win_msg->m_pubParam); break;\n" % (cb_id, handler_name, handler_name))
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hfile = open("cb_converters.h", "a")
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hfile.write("struct win%s {\n" % handler_name)
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for m in callback.get_children():
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if m.kind == clang.cindex.CursorKind.FIELD_DECL:
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if m.type.kind == clang.cindex.TypeKind.CONSTANTARRAY:
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hfile.write(" %s %s[%u];\n" % (m.type.element_type.spelling, m.displayname, m.type.element_count))
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else:
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hfile.write(" %s %s;\n" % (m.type.spelling, m.displayname))
|
|
hfile.write("} __attribute__ ((ms_struct));\n")
|
|
hfile.write("extern void cb_%s(void *l, void *w);\n" % handler_name)
|
|
|
|
cppfile.write("struct win%s {\n" % handler_name)
|
|
for m in callback.get_children():
|
|
if m.kind == clang.cindex.CursorKind.FIELD_DECL:
|
|
if m.type.kind == clang.cindex.TypeKind.CONSTANTARRAY:
|
|
cppfile.write(" %s %s[%u];\n" % (m.type.element_type.spelling, m.displayname, m.type.element_count))
|
|
else:
|
|
cppfile.write(" %s %s;\n" % (m.type.spelling, m.displayname))
|
|
cppfile.write("} __attribute__ ((ms_struct));\n")
|
|
|
|
cppfile.write("void cb_%s(void *l, void *w)\n{\n" % handler_name)
|
|
cppfile.write(" %s *lin = (%s *)l;\n" % (callback.displayname, callback.displayname))
|
|
cppfile.write(" struct win%s *win = (struct win%s *)w;\n" % (handler_name, handler_name))
|
|
for m in callback.get_children():
|
|
if m.kind == clang.cindex.CursorKind.FIELD_DECL:
|
|
if m.type.kind == clang.cindex.TypeKind.CONSTANTARRAY:
|
|
#TODO: if this is a struct, or packed differently, we'll have to
|
|
# copy each element in a for-loop
|
|
cppfile.write(" memcpy(win->%s, lin->%s, sizeof(win->%s));\n" % (m.displayname, m.displayname, m.displayname))
|
|
else:
|
|
cppfile.write(" win->%s = lin->%s;\n" % (m.displayname, m.displayname))
|
|
cppfile.write("}\n\n")
|
|
|
|
generated_cb_handlers.append(handler_name)
|
|
|
|
if not cb_num in cb_table.keys():
|
|
# latest SDK linux size, list of windows struct names
|
|
cb_table[cb_num] = (callback.type.get_size(), [])
|
|
cb_table[cb_num][1].append(handler_name)
|
|
|
|
|
|
def handle_callback_maybe(sdkver, callback):
|
|
members = callback.get_children()
|
|
for c in members:
|
|
if c.kind == clang.cindex.CursorKind.ENUM_DECL:
|
|
enums = c.get_children()
|
|
for e in enums:
|
|
if e.displayname == "k_iCallback":
|
|
handle_callback_struct(sdkver, callback, e.enum_value)
|
|
|
|
|
|
|
|
|
|
#clang.cindex.Config.set_library_file("/usr/lib/llvm-3.8/lib/libclang-3.8.so.1");
|
|
|
|
prog = re.compile("^#define\s*(\w*)\s*\"(.*)\"")
|
|
for sdkver in sdk_versions:
|
|
iface_versions = {}
|
|
for f in os.listdir("steamworks_sdk_%s" % sdkver):
|
|
x = open("steamworks_sdk_%s/%s" % (sdkver, f), "r")
|
|
for l in x:
|
|
if "INTERFACE_VERSION" in l:
|
|
result = prog.match(l)
|
|
if result:
|
|
iface, version = result.group(1, 2)
|
|
iface_versions[iface] = version
|
|
|
|
for fname, classes in files:
|
|
# Parse as 32-bit C++
|
|
input_name = "steamworks_sdk_%s/%s" % (sdkver, fname)
|
|
sys.stdout.write("about to parse %s\n" % input_name)
|
|
if not os.path.isfile(input_name):
|
|
continue
|
|
index = clang.cindex.Index.create()
|
|
tu = index.parse(input_name, args=['-x', 'c++', '-m32', '-Isteamworks_sdk_%s/' % sdkver, '-I/usr/lib/clang/6.0.1/include/'])
|
|
|
|
diagnostics = list(tu.diagnostics)
|
|
if len(diagnostics) > 0:
|
|
print('There were parse errors')
|
|
pprint.pprint(diagnostics)
|
|
else:
|
|
children = list(tu.cursor.get_children())
|
|
for child in children:
|
|
if child.kind == clang.cindex.CursorKind.CLASS_DECL and child.displayname in classes:
|
|
handle_class(sdkver, child)
|
|
if child.kind == clang.cindex.CursorKind.STRUCT_DECL or \
|
|
child.kind == clang.cindex.CursorKind.CLASS_DECL:
|
|
handle_callback_maybe(sdkver, child)
|
|
if child.displayname in print_sizes:
|
|
sys.stdout.write("size of %s is %u\n" % (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")
|
|
for cb in cb_table.keys():
|
|
cbsizefile.write("case %u: /* %s */\n" % (cb, cb_table[cb][1][0]))
|
|
cbsizefile.write(" return %u;\n" % cb_table[cb][0])
|
|
getapifile.write("case %u:\n" % cb)
|
|
getapifile.write(" switch(callback_len){\n")
|
|
getapifile.write(" default:\n") # the first one should be the latest, should best support future SDK versions
|
|
for struct in cb_table[cb][1]:
|
|
getapifile.write(" case sizeof(struct win%s): cb_%s(lin_callback, callback); break;\n" % (struct, struct))
|
|
getapifile.write(" }\n break;\n")
|