542 lines
22 KiB
Python
Executable file
542 lines
22 KiB
Python
Executable file
#!/usr/bin/python2
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#NOTE: If you make modifications here, consider whether they should
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#be duplicated in ../lsteamclient/gen_wrapper.py
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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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"v1.0.12",
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"v1.0.11",
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"v1.0.10",
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"v1.0.9",
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"v1.0.8",
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"v1.0.7",
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"v1.0.6",
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"v1.0.5",
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"v1.0.4",
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"v1.0.3",
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"v1.0.2",
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"v1.0.1",
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"v1.0.0",
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"v0.9.20",
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"v0.9.19",
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"v0.9.18",
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"v0.9.17",
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"v0.9.16",
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"v0.9.15",
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"v0.9.14",
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"v0.9.13",
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"v0.9.12",
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# "v0.9.11", problematic GetComponentState, may cause crash since we don't implement it
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"v0.9.10",
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"v0.9.9",
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"v0.9.8",
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"v0.9.7",
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"v0.9.6",
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# "v0.9.5", doesn't compile, fixed in 0.9.6
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"v0.9.4",
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"0.9.3",
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"0.9.2",
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"0.9.1",
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"0.9.0",
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]
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files = [
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("openvr.h",
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[ #classes
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"IVRApplications",
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"IVRChaperone",
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"IVRChaperoneSetup",
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"IVRCompositor",
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"IVRDriverManager",
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"IVRExtendedDisplay",
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"IVRNotifications",
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"IVROverlay",
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"IVRRenderModels",
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"IVRResources",
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"IVRScreenshots",
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"IVRSettings",
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"IVRSystem",
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"IVRTrackedCamera",
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], [ #user-allocated structs
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"VRControllerState001_t",
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"VREvent_t",
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], [ #vrclient-allocated structs
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"RenderModel_t",
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"RenderModel_TextureMap_t",
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]
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),
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("ivrclientcore.h",
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[ #classes
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"IVRClientCore",
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], [ #user-allocated structs
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], [ #vrclient-allocated structs
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]
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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 display_sdkver(s):
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if s.startswith("v"):
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s = s[1:]
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return s.replace(".", "")
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def strip_ns(name):
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return name.replace("vr::","")
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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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idx = '2'
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while used_name in existing_methods:
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used_name = "%s_%s" % (method.spelling, idx)
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idx = chr(ord(idx) + 1)
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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 strip_ns(method.result_type.spelling).startswith("IVR"):
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cfile.write("win%s " % (strip_ns(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 *" % strip_ns(method.result_type.spelling))
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cpp.write("%s " % method.result_type.spelling)
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cpp_h.write("%s " % strip_ns(method.result_type.spelling))
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else:
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cfile.write("%s " % strip_ns(method.result_type.spelling))
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cpp.write("%s " % method.result_type.spelling)
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cpp_h.write("%s " % strip_ns(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" % strip_ns(method.result_type.spelling))
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unnamed = 'a'
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do_lin_to_win = None
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do_wrap = None
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do_unwrap = None
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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].replace("&", "*");
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if param.type.kind == clang.cindex.TypeKind.POINTER:
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if strip_ns(param.type.get_pointee().get_canonical().spelling) in user_structs:
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do_lin_to_win = (strip_ns(param.type.get_pointee().get_canonical().spelling), param.spelling)
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typename = "win" + do_lin_to_win[0] + "_" + display_sdkver(sdkver) + " *"
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elif strip_ns(param.type.get_pointee().get_canonical().spelling) in system_structs:
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do_unwrap = (strip_ns(param.type.get_pointee().get_canonical().spelling), param.spelling)
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typename = "win" + do_unwrap[0] + "_" + display_sdkver(sdkver) + " *"
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elif param.type.get_pointee().kind == clang.cindex.TypeKind.POINTER and \
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strip_ns(param.type.get_pointee().get_pointee().get_canonical().spelling) in system_structs:
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do_wrap = (strip_ns(param.type.get_pointee().get_pointee().get_canonical().spelling), param.spelling)
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typename = "win" + do_wrap[0] + "_" + display_sdkver(sdkver) + " **"
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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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if do_lin_to_win:
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cpp.write(" %s lin;\n" % do_lin_to_win[0])
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cpp.write(" %s _ret;\n" % method.result_type.spelling)
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if do_wrap:
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cpp.write(" %s *lin;\n" % do_wrap[0])
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cpp.write(" %s _ret;\n" % method.result_type.spelling)
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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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elif do_lin_to_win:
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cfile.write(" return ")
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cpp.write(" _ret = ")
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elif do_wrap:
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cfile.write(" return ")
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cpp.write(" _ret = ")
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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 = strip_ns(method.result_type.spelling).startswith("IVR") or \
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used_name.startswith("GetGenericInterface")
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if should_gen_wrapper:
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cfile.write("create_win_interface(pchNameAndVersion,\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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next_is_size = False
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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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else:
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cfile.write(", %s" % param.spelling)
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if do_lin_to_win and do_lin_to_win[1] == param.spelling or \
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do_wrap and do_wrap[1] == param.spelling:
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cpp.write("&lin")
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if do_lin_to_win and \
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(do_lin_to_win[0] == "VREvent_t" or \
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do_lin_to_win[0] == "VRControllerState001_t"):
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next_is_size = True
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elif do_unwrap and do_unwrap[1] == param.spelling:
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cpp.write("struct_%s_%s_unwrap(%s)" % (strip_ns(do_unwrap[0]), display_sdkver(sdkver), do_unwrap[1]))
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elif next_is_size:
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next_is_size = False
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if param.type.spelling == "uint32_t":
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cpp.write("sizeof(lin)")
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else:
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cpp.write("(%s)%s" % (param.type.spelling, param.spelling))
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elif "&" in param.type.spelling:
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cpp.write("*%s" % param.spelling)
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else:
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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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if do_lin_to_win:
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cpp.write(" struct_%s_%s_lin_to_win(&lin, %s);\n" % (strip_ns(do_lin_to_win[0]), display_sdkver(sdkver), do_lin_to_win[1]))
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cpp.write(" return _ret;\n")
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if do_wrap:
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cpp.write(" if(_ret == 0)\n")
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cpp.write(" *%s = struct_%s_%s_wrap(lin);\n" % (do_wrap[1], strip_ns(do_wrap[0]), display_sdkver(sdkver)))
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cpp.write(" return _ret;\n")
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cfile.write("}\n\n")
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cpp.write("}\n\n")
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return used_name
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def get_iface_version(classname):
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if classname in iface_versions.keys():
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ver = iface_versions[classname]
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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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print("handle_class: " + classnode.displayname)
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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 <stdint.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 "vrclient_defs.h"
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#include "vrclient_private.h"
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#include "struct_converters.h"
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WINE_DEFAULT_DEBUG_CHANNEL(vrclient);
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""")
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cpp = open("%s.cpp" % cppname, "w")
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cpp.write("#include \"vrclient_private.h\"\n")
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cpp.write("#include \"vrclient_defs.h\"\n")
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if os.path.isfile("openvr_%s/ivrclientcore.h" % sdkver):
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cpp.write("#include \"openvr_%s/ivrclientcore.h\"\n" % sdkver)
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else:
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cpp.write("#include \"openvr_%s/openvr.h\"\n" % sdkver)
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cpp.write("using namespace vr;\n")
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cpp.write("extern \"C\" {\n")
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cpp.write("#include \"struct_converters.h\"\n")
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cpp.write("}\n")
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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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methods.append(handle_method(cfile, classnode.spelling, winclassname, cppname, child, cpp, cpp_h, methods))
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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_struct_handlers = []
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cpp_files_need_close_brace = []
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LIN_TO_WIN=1
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WRAPPERS=2
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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_struct(sdkver, struct, which):
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handler_name = "%s_%s" % (struct.displayname, display_sdkver(sdkver))
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if handler_name in generated_struct_handlers:
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|
# we already have a handler for the struct struct of this size
|
|
return
|
|
|
|
filename_base = "struct_converters_%s" % display_sdkver(sdkver)
|
|
cppname = "%s.cpp" % filename_base
|
|
file_exists = os.path.isfile(cppname)
|
|
cppfile = open(cppname, "a")
|
|
if not file_exists:
|
|
cppfile.write("#include <stdlib.h>\n");
|
|
cppfile.write("#include <string.h>\n");
|
|
cppfile.write("#include \"vrclient_private.h\"\n")
|
|
cppfile.write("#include \"vrclient_defs.h\"\n")
|
|
cppfile.write("#include \"openvr_%s/openvr.h\"\n" % sdkver)
|
|
cppfile.write("using namespace vr;\n")
|
|
cppfile.write("extern \"C\" {\n")
|
|
cppfile.write("#include \"struct_converters.h\"\n")
|
|
cpp_files_need_close_brace.append(cppname)
|
|
|
|
hfile = open("struct_converters.h", "a")
|
|
|
|
hfile.write("typedef struct win%s win%s;\n" % (handler_name, handler_name))
|
|
|
|
cppfile.write("struct win%s {\n" % handler_name)
|
|
for m in struct.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))
|
|
if which == WRAPPERS:
|
|
cppfile.write("\n %s *linux_side;\n" % struct.displayname)
|
|
cppfile.write("} __attribute__ ((ms_struct));\n\n")
|
|
|
|
if which == LIN_TO_WIN:
|
|
hfile.write("extern void struct_%s_lin_to_win(void *l, void *w);\n" % handler_name)
|
|
cppfile.write("void struct_%s_lin_to_win(void *l, void *w)\n{\n" % handler_name)
|
|
cppfile.write(" struct win%s *win = (struct win%s *)w;\n" % (handler_name, handler_name))
|
|
elif which == WRAPPERS:
|
|
hfile.write("extern struct win%s *struct_%s_wrap(void *l);\n" % (handler_name, handler_name))
|
|
cppfile.write("struct win%s *struct_%s_wrap(void *l)\n{\n" % (handler_name, handler_name))
|
|
cppfile.write(" struct win%s *win = (struct win%s *)malloc(sizeof(*win));\n" % (handler_name, handler_name))
|
|
|
|
cppfile.write(" %s *lin = (%s *)l;\n" % (struct.displayname, struct.displayname))
|
|
|
|
for m in struct.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))
|
|
|
|
if which == WRAPPERS:
|
|
cppfile.write(" win->linux_side = lin;\n");
|
|
cppfile.write(" return win;\n")
|
|
|
|
cppfile.write("}\n\n")
|
|
|
|
if which == WRAPPERS:
|
|
hfile.write("extern %s *struct_%s_unwrap(win%s *w);\n" % (struct.displayname, handler_name, handler_name))
|
|
cppfile.write("struct %s *struct_%s_unwrap(win%s *w)\n{\n" % (struct.displayname, handler_name, handler_name))
|
|
cppfile.write(" %s *ret = w->linux_side;\n" % struct.displayname)
|
|
cppfile.write(" free(w);\n")
|
|
cppfile.write(" return ret;\n")
|
|
cppfile.write("}\n\n")
|
|
|
|
generated_struct_handlers.append(handler_name)
|
|
|
|
|
|
|
|
|
|
#clang.cindex.Config.set_library_file("/usr/lib/llvm-3.8/lib/libclang-3.8.so.1");
|
|
|
|
prog = re.compile("^.*const\s*char.* (\w*)_Version.*\"(.*)\"")
|
|
for sdkver in sdk_versions:
|
|
iface_versions = {}
|
|
print("sdkver is: " + sdkver)
|
|
for f in os.listdir("openvr_%s" % sdkver):
|
|
x = open("openvr_%s/%s" % (sdkver, f), "r")
|
|
for l in x:
|
|
if "_Version" in l:
|
|
result = prog.match(l)
|
|
if result:
|
|
iface, version = result.group(1, 2)
|
|
iface_versions[iface] = version
|
|
|
|
for fname, classes, user_structs, system_structs in files:
|
|
# Parse as 32-bit C++
|
|
input_name = "openvr_%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++', '-std=c++11', '-DGNUC', '-Iopenvr_%s/' % sdkver, '-I/usr/lib/clang/5.0.0/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.NAMESPACE and child.displayname == "vr":
|
|
for vrchild in list(child.get_children()):
|
|
if vrchild.kind == clang.cindex.CursorKind.CLASS_DECL and vrchild.displayname in classes:
|
|
handle_class(sdkver, vrchild)
|
|
if vrchild.kind == clang.cindex.CursorKind.STRUCT_DECL or \
|
|
vrchild.kind == clang.cindex.CursorKind.CLASS_DECL:
|
|
if strip_ns(vrchild.displayname) in user_structs:
|
|
handle_struct(sdkver, vrchild, LIN_TO_WIN)
|
|
elif strip_ns(vrchild.displayname) in system_structs:
|
|
handle_struct(sdkver, vrchild, WRAPPERS)
|
|
if vrchild.displayname in print_sizes:
|
|
sys.stdout.write("size of %s is %u\n" % (vrchild.displayname, vrchild.type.get_size()))
|
|
|
|
for f in cpp_files_need_close_brace:
|
|
m = open(f, "a")
|
|
m.write("\n}\n")
|