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Proton/vrclient_x64/gen_wrapper.py
Paul Gofman e0f82e30cb vrclient: Support v1.16.8. 
Signed-off-by: Paul Gofman <pgofman@codeweavers.com>
2021-03-31 14:08:10 -05:00

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#!/usr/bin/env python
#NOTE: If you make modifications here, consider whether they should
#be duplicated in ../lsteamclient/gen_wrapper.py
from __future__ import print_function
CLANG_PATH='/usr/lib/clang/10.0.1'
import pprint
import sys
import clang.cindex
import os
import re
sdk_versions = [
"v1.16.8",
"v1.14.15",
"v1.13.10",
"v1.12.5",
"v1.11.11",
"v1.10.30",
"v1.9.16",
"v1.8.19",
"v1.7.15",
"v1.6.10",
"v1.5.17",
"v1.4.18",
"v1.3.22",
"v1.2.10",
"v1.1.3b",
"v1.0.17",
"v1.0.16",
"v1.0.15",
"v1.0.14",
"v1.0.13",
"v1.0.12",
"v1.0.11",
"v1.0.10",
"v1.0.9",
"v1.0.8",
"v1.0.7",
"v1.0.6",
"v1.0.5",
"v1.0.4",
"v1.0.3a", #non-public build used by The Lab, see Proton github PR#2075
"v1.0.3",
"v1.0.2",
"v1.0.1",
"v1.0.0",
"v0.9.20",
"v0.9.19",
"v0.9.18",
"v0.9.17",
"v0.9.16",
"v0.9.15",
"v0.9.14",
"v0.9.13",
"v0.9.12",
# "v0.9.11", problematic GetComponentState, may cause crash since we don't implement it
"v0.9.10",
"v0.9.9",
"v0.9.8",
"v0.9.7",
"v0.9.6",
# "v0.9.5", doesn't compile, fixed in 0.9.6
"v0.9.4",
"0.9.3",
"0.9.2",
"0.9.1",
"0.9.0",
]
files = [
("openvr.h",
[ #classes
"IVRApplications",
"IVRChaperone",
"IVRChaperoneSetup",
"IVRCompositor",
"IVRControlPanel",
"IVRDriverManager",
"IVRExtendedDisplay",
"IVRNotifications",
"IVRInput",
"IVRIOBuffer",
"IVRMailbox",
"IVROverlay",
"IVRRenderModels",
"IVRResources",
"IVRScreenshots",
"IVRSettings",
"IVRSystem",
"IVRTrackedCamera",
"IVRHeadsetView",
"IVROverlayView",
], [ #vrclient-allocated structs
"RenderModel_t",
"RenderModel_TextureMap_t",
]
),
("ivrclientcore.h",
[ #classes
"IVRClientCore",
], [ #vrclient-allocated structs
]
),
]
next_is_size_structs = [
"VREvent_t",
"VRControllerState001_t",
"InputAnalogActionData_t",
"InputDigitalActionData_t",
"InputPoseActionData_t",
"InputSkeletalActionData_t",
"CameraVideoStreamFrameHeader_t",
"Compositor_CumulativeStats",
"VRActiveActionSet_t",
"InputOriginInfo_t",
"InputBindingInfo_t",
]
unhandled_next_is_size_structs = [
"VROverlayIntersectionMaskPrimitive_t" # not next, but next-next uint32 is the size
]
struct_size_fields = {
"Compositor_OverlaySettings": ["size"],
"Compositor_FrameTiming": ["size", "m_nSize"],
"DriverDirectMode_FrameTiming": ["m_nSize"],
}
path_conversions = [
{
"parent_name": "SetActionManifestPath",
"l2w_names":[],
"l2w_lens":[],
"w2l_names": ["pchActionManifestPath"],
"w2l_arrays": [False],
"return_is_size": False
},
{
"parent_name": "SetOverlayFromFile",
"l2w_names":[],
"l2w_lens":[],
"w2l_names": ["pchFilePath"],
"w2l_arrays": [False],
"return_is_size": False
},
{
"parent_name": "AddApplicationManifest",
"l2w_names":[],
"l2w_lens":[],
"w2l_names": ["pchApplicationManifestFullPath"],
"w2l_arrays": [False],
"return_is_size": False
},
{
"parent_name": "RemoveApplicationManifest",
"l2w_names":[],
"l2w_lens":[],
"w2l_names": ["pchApplicationManifestFullPath"],
"w2l_arrays": [False],
"return_is_size": False
},
{
"parent_name": "RequestScreenshot",
"l2w_names":[],
"l2w_lens":[],
"w2l_names": ["pchPreviewFilename", "pchVRFilename"],
"w2l_arrays": [False, False],
"return_is_size": False
},
{
"parent_name": "TakeStereoScreenshot",
"l2w_names":[],
"l2w_lens":[],
"w2l_names": ["pchPreviewFilename", "pchVRFilename"],
"w2l_arrays": [False, False],
"return_is_size": False
},
{
"parent_name": "SubmitScreenshot",
"l2w_names":[],
"l2w_lens":[],
"w2l_names": ["pchSourcePreviewFilename", "pchSourceVRFilename"],
"w2l_arrays": [False, False],
"return_is_size": False
},
{
"parent_name": "GetScreenshotPropertyFilename",
"l2w_names":["pchFilename"],
"l2w_lens":["cchFilename"],
"w2l_names": [],
"w2l_arrays": [],
"return_is_size": True
},
{
"parent_name": "undoc23",
"l2w_names":[],
"l2w_lens":[],
"w2l_names": ["a"],
"w2l_arrays": [False],
"return_is_size": False
},
{
"parent_name": "undoc27",
"l2w_names":[],
"l2w_lens":[],
"w2l_names": ["a"],
"w2l_arrays": [False],
"return_is_size": False
},
{
"parent_name": "SetStageOverride_Async",
"l2w_names":[],
"l2w_lens":[],
"w2l_names": ["pchRenderModelPath"],
"w2l_arrays": [False],
"return_is_size": False
},
# {#maybe?
# "parent_name": "GetRenderModelOriginalPath",
# "l2w_names":[pchOriginalPath],
# "l2w_lens":[unOriginalPathLen],
# "w2l_names": [],
# "w2l_arrays": [],
# "return_is_size": False
# },
# {#maybe?
# "parent_name": "GetResourceFullPath",
# "l2w_names":[pchPathBuffer],
# "l2w_lens":[unBufferLen],
# "w2l_names": [pchResourceTypeDirectory],
# "w2l_arrays": [False],
# "return_is_size": False
# },
#IVRInput::GetInputSourceHandle
#IVRIOBuffer::Open
#TODO: LaunchInternalProcess, need steam cooperation
]
aliases = {
#Some interface versions are not present in the public SDK
#headers, but are actually requested by games. It would be nice
#to verify that these interface versions are actually binary
#compatible. Lacking that, we hope the next highest version
#is compatible.
# "SteamClient012":["SteamClient013"],
# "SteamUtils004":["SteamUtils003"], # TimeShift uses SteamUtils003
#leaving these commented-out. let's see if they turn up in practice,
#and handle them correctly if so.
# "SteamFriends011":["SteamFriends010"],
# "SteamFriends013":["SteamFriends012"],
# "SteamGameServer008":["SteamGameServer007", "SteamGameServer006"],
# "SteamMatchMaking004":["SteamMatchMaking003"],
# "SteamMatchMaking006":["SteamMatchMaking005"],
# "STEAMREMOTESTORAGE_INTERFACE_VERSION004":["STEAMREMOTESTORAGE_INTERFACE_VERSION003"],
# "STEAMREMOTESTORAGE_INTERFACE_VERSION008":["STEAMREMOTESTORAGE_INTERFACE_VERSION007"],
# "STEAMREMOTESTORAGE_INTERFACE_VERSION010":["STEAMREMOTESTORAGE_INTERFACE_VERSION009"],
# "STEAMUGC_INTERFACE_VERSION005":["STEAMUGC_INTERFACE_VERSION004"],
# "STEAMUGC_INTERFACE_VERSION007":["STEAMUGC_INTERFACE_VERSION006"],
# "SteamUser016":["SteamUser015"],
# "STEAMUSERSTATS_INTERFACE_VERSION009":["STEAMUSERSTATS_INTERFACE_VERSION008"],
}
# TODO: we could do this automatically by creating temp files and
# having clang parse those and detect when the MS-style padding results
# in identical struct widths. But there's only a couple, so let's cheat...
skip_structs = [
# "RemoteStorageGetPublishedFileDetailsResult_t_9740",
# "SteamUGCQueryCompleted_t_20",
# "SteamUGCRequestUGCDetailsResult_t_9764"
]
struct_conversion_cache = {}
print_sizes = []
class_versions = {}
def get_params(f):
return [p for p in f.get_children() if p.kind == clang.cindex.CursorKind.PARM_DECL]
def ivrclientcore_init(cppname, method):
if "002" in cppname:
return "ivrclientcore_002_init"
return "ivrclientcore_init"
def ivrclientcore_get_generic_interface(cppname, method):
return "ivrclientcore_get_generic_interface"
def ivrclientcore_cleanup(cppname, method):
return "ivrclientcore_cleanup"
def ivrsystem_get_dxgi_output_info(cppname, method):
param_count = len(get_params(method))
return {
1: "get_dxgi_output_info",
2: "get_dxgi_output_info2"
}.get(param_count, "unhandled_get_dxgi_output_info_method")
def ivrsystem_get_output_device(cppname, method):
#introduced in 016, changed in 017
if "016" in cppname:
return "ivrsystem_016_get_output_device"
return "ivrsystem_get_output_device"
def ivrcompositor_submit(cppname, method):
if "005" in cppname:
return "ivrcompositor_005_submit"
if "006" in cppname:
return "ivrcompositor_006_submit"
if "007" in cppname:
return "ivrcompositor_007_submit"
if "008" in cppname:
return "ivrcompositor_008_submit"
return "ivrcompositor_submit"
def ivrcompositor_set_skybox_override(cppname, method):
if "008" in cppname:
return "ivrcompositor_008_set_skybox_override"
return "ivrcompositor_set_skybox_override"
def ivrcompositor_post_present_handoff(cppname, method):
return "ivrcompositor_post_present_handoff"
def ivrcompositor_wait_get_poses(cppname, method):
for version in ["016", "017", "018", "019", "020", "021", "022", "024", "026"]:
if version in cppname:
return "ivrcompositor_wait_get_poses"
return None
def ivrcompositor_get_vulkan_device_extensions_required(cppname, method):
return "ivrcompositor_get_vulkan_device_extensions_required"
def ivrrendermodels_load_texture_d3d11_async(cppname, method):
assert "004" in cppname or "005" in cppname or "006" in cppname
return "ivrrendermodels_load_texture_d3d11_async"
def ivrrendermodels_free_texture_d3d11(cppname, method):
assert "004" in cppname or "005" in cppname or "006" in cppname
return "ivrrendermodels_free_texture_d3d11"
def ivrrendermodels_load_into_texture_d3d11_async(cppname, method):
assert "005" in cppname or "006" in cppname
return "ivrrendermodels_load_into_texture_d3d11_async"
def ivrmailbox_undoc3(cppname, method):
assert "001" in cppname
return "ivrmailbox_undoc3"
def ivroverlay_set_overlay_texture(cppname, method):
if "001" in cppname:
return "ivroverlay_001_set_overlay_texture"
for version in ["002", "003", "004", "005"]:
if version in cppname:
return "ivroverlay_005_set_overlay_texture"
assert \
"007" in cppname or \
"008" in cppname or \
"010" in cppname or \
"011" in cppname or \
"012" in cppname or \
"013" in cppname or \
"014" in cppname or \
"016" in cppname or \
"017" in cppname or \
"018" in cppname or \
"019" in cppname or \
"020" in cppname or \
"021" in cppname or \
"022" in cppname or \
"024" in cppname or \
"025" in cppname
return "ivroverlay_set_overlay_texture"
method_overrides = [
("IVRClientCore", "Init", ivrclientcore_init),
("IVRClientCore", "GetGenericInterface", ivrclientcore_get_generic_interface),
("IVRClientCore", "Cleanup", ivrclientcore_cleanup),
("IVRSystem", "GetDXGIOutputInfo", ivrsystem_get_dxgi_output_info),
("IVRSystem", "GetOutputDevice", ivrsystem_get_output_device),
("IVRCompositor", "Submit", ivrcompositor_submit),
("IVRCompositor", "SetSkyboxOverride", ivrcompositor_set_skybox_override),
("IVRCompositor", "PostPresentHandoff", ivrcompositor_post_present_handoff),
("IVRCompositor", "WaitGetPoses", ivrcompositor_wait_get_poses),
("IVRCompositor", "GetVulkanDeviceExtensionsRequired", ivrcompositor_get_vulkan_device_extensions_required),
("IVRRenderModels", "LoadTextureD3D11_Async", ivrrendermodels_load_texture_d3d11_async),
("IVRRenderModels", "FreeTextureD3D11", ivrrendermodels_free_texture_d3d11),
("IVRRenderModels", "LoadIntoTextureD3D11_Async", ivrrendermodels_load_into_texture_d3d11_async),
("IVRMailbox", "undoc3", ivrmailbox_undoc3),
("IVROverlay", "SetOverlayTexture", ivroverlay_set_overlay_texture),
]
method_overrides_data = [
("IVRClientCore", "struct client_core_data", None),
]
def display_sdkver(s):
if s.startswith("v"):
s = s[1:]
return s.replace(".", "")
def strip_ns(name):
return name.replace("vr::","")
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) == clang.cindex.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
def handle_method(cfile, classname, winclassname, cppname, method, cpp, cpp_h, existing_methods, iface_version):
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 = "%s_%s" % (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 == clang.cindex.TypeKind.RECORD
if returns_record:
parambytes = 8 #_this + return pointer
else:
parambytes = 4 #_this
for param in get_params(method):
parambytes += param.type.get_size()
cfile.write("DEFINE_THISCALL_WRAPPER(%s_%s, %s)\n" % (winclassname, used_name, parambytes))
cpp_h.write("extern ")
if strip_ns(method.result_type.spelling).startswith("IVR"):
cfile.write("win%s " % (strip_ns(method.result_type.spelling)))
cpp.write("void *")
cpp_h.write("void *")
elif returns_record:
cfile.write("%s *" % strip_ns(method.result_type.spelling))
cpp.write("%s " % method.result_type.spelling)
cpp_h.write("%s " % strip_ns(method.result_type.spelling))
else:
cfile.write("%s " % strip_ns(method.result_type.spelling))
cpp.write("%s " % method.result_type.spelling)
cpp_h.write("%s " % strip_ns(method.result_type.spelling))
cfile.write('__thiscall %s_%s(%s *_this' % (winclassname, used_name, winclassname))
cpp.write("%s_%s(void *linux_side" % (cppname, used_name))
cpp_h.write("%s_%s(void *" % (cppname, used_name))
if returns_record:
cfile.write(", %s *_r" % strip_ns(method.result_type.spelling))
unnamed = 'a'
do_lin_to_win = None
do_win_to_lin = None
do_wrap = None
do_unwrap = None
need_convert = []
for param in get_params(method):
if param.type.kind == clang.cindex.TypeKind.POINTER and \
param.type.get_pointee().kind == clang.cindex.TypeKind.UNEXPOSED:
#unspecified function pointer
typename = "void *"
else:
typename = param.type.spelling.split("::")[-1].replace("&", "*")
real_type = param.type;
while real_type.kind == clang.cindex.TypeKind.POINTER:
real_type = real_type.get_pointee()
if param.type.kind == clang.cindex.TypeKind.POINTER:
if strip_ns(param.type.get_pointee().get_canonical().spelling) in system_structs:
do_unwrap = (strip_ns(param.type.get_pointee().get_canonical().spelling), param.spelling)
typename = "win" + do_unwrap[0] + "_" + display_sdkver(sdkver) + " *"
elif param.type.get_pointee().get_canonical().kind == clang.cindex.TypeKind.POINTER and \
strip_ns(param.type.get_pointee().get_pointee().get_canonical().spelling) in system_structs:
do_wrap = (strip_ns(param.type.get_pointee().get_pointee().get_canonical().spelling), param.spelling)
typename = "win" + do_wrap[0] + "_" + display_sdkver(sdkver) + " **"
elif real_type.get_canonical().kind == clang.cindex.TypeKind.RECORD and \
struct_needs_conversion(real_type.get_canonical()):
do_win_to_lin = (strip_const(strip_ns(real_type.get_canonical().spelling)), param.spelling)
if not real_type.is_const_qualified():
do_lin_to_win = (strip_const(strip_ns(real_type.get_canonical().spelling)), param.spelling)
#preserve pointers
typename = typename.replace(strip_ns(real_type.spelling), "win%s_%s" % (strip_ns(real_type.get_canonical().spelling), display_sdkver(sdkver)))
if param.spelling == "":
cfile.write(", %s _%s" % (typename, unnamed))
cpp.write(", %s _%s" % (typename, unnamed))
cpp_h.write(", %s" % typename)
unnamed = chr(ord(unnamed) + 1)
else:
cfile.write(", %s %s" % (typename, param.spelling))
cpp.write(", %s %s" % (typename, param.spelling))
cpp_h.write(", %s" % (typename))
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(" const char **lin_%s = vrclient_dos_to_unix_stringlist(%s);\n" % (path_conv["w2l_names"][i], path_conv["w2l_names"][i]))
# TODO
pass
else:
cfile.write(" char lin_%s[PATH_MAX];\n" % path_conv["w2l_names"][i])
cfile.write(" vrclient_dos_path_to_unix_path(%s, lin_%s);\n" % (path_conv["w2l_names"][i], path_conv["w2l_names"][i]))
if None in path_conv["l2w_names"]:
cfile.write(" const char *path_result;\n")
elif path_conv["return_is_size"]:
cfile.write(" uint32_t path_result;\n")
elif len(path_conv["l2w_names"]) > 0:
cfile.write(" %s path_result;\n" % method.result_type.spelling)
if do_lin_to_win or do_win_to_lin:
if do_lin_to_win:
cpp.write(" %s lin;\n" % do_lin_to_win[0])
else:
cpp.write(" %s lin;\n" % do_win_to_lin[0])
if not method.result_type.kind == clang.cindex.TypeKind.VOID:
cpp.write(" %s _ret;\n" % method.result_type.spelling)
if do_wrap:
cpp.write(" %s *lin;\n" % do_wrap[0])
if not method.result_type.kind == clang.cindex.TypeKind.VOID:
cpp.write(" %s _ret;\n" % method.result_type.spelling)
cfile.write(" TRACE(\"%p\\n\", _this);\n")
if do_win_to_lin:
#XXX we should pass the struct size here
cpp.write(" if(%s)\n" % do_win_to_lin[1])
cpp.write(" struct_%s_%s_win_to_lin(%s, &lin);\n" % (strip_ns(do_win_to_lin[0]), display_sdkver(sdkver), do_win_to_lin[1]))
if method.result_type.kind == clang.cindex.TypeKind.VOID:
cfile.write(" ")
cpp.write(" ")
elif path_conv and (len(path_conv["l2w_names"]) > 0 or path_conv["return_is_size"]):
cfile.write(" path_result = ")
cpp.write(" return ")
elif returns_record:
cfile.write(" *_r = ")
cpp.write(" return ")
elif do_lin_to_win or do_win_to_lin:
cfile.write(" return ")
cpp.write(" _ret = ")
elif do_wrap:
cfile.write(" return ")
cpp.write(" _ret = ")
else:
cfile.write(" return ")
cpp.write(" return ")
should_gen_wrapper = strip_ns(method.result_type.spelling).startswith("IVR")
if should_gen_wrapper:
cfile.write("create_win_interface(pchNameAndVersion,\n ")
is_method_overridden = False
for classname_pattern, methodname, override_generator in method_overrides:
if used_name == methodname and classname_pattern in classname:
fn_name = override_generator(cppname, method)
if fn_name:
cfile.write("%s(%s_%s, _this->linux_side" % (fn_name, cppname, used_name))
is_method_overridden = True
break
else:
cfile.write("%s_%s(_this->linux_side" % (cppname, used_name))
cpp.write("((%s*)linux_side)->%s(" % (classname, method.spelling))
unnamed = 'a'
first = True
next_is_size = False
convert_size_param = ""
for param in get_params(method):
if not first:
cpp.write(", ")
else:
first = False
if param.spelling == "":
cfile.write(", _%s" % unnamed)
cpp.write("(%s)_%s" % (param.type.spelling, unnamed))
unnamed = chr(ord(unnamed) + 1)
else:
if do_lin_to_win and do_lin_to_win[1] == param.spelling or \
do_win_to_lin and do_win_to_lin[1] == param.spelling or \
do_wrap and do_wrap[1] == param.spelling:
cfile.write(", %s" % param.spelling)
cpp.write("%s ? &lin : nullptr" % param.spelling)
if do_win_to_lin:
assert(not do_win_to_lin[0] in unhandled_next_is_size_structs)
if do_win_to_lin[0] in next_is_size_structs:
next_is_size = True
elif do_unwrap and do_unwrap[1] == param.spelling:
cfile.write(", %s" % param.spelling)
cpp.write("struct_%s_%s_unwrap(%s)" % (strip_ns(do_unwrap[0]), display_sdkver(sdkver), do_unwrap[1]))
elif path_conv and param.spelling in path_conv["w2l_names"]:
cfile.write(", %s ? lin_%s : NULL" % (param.spelling, param.spelling))
cpp.write("(%s)%s" % (param.type.spelling, param.spelling))
elif next_is_size:
cfile.write(", %s" % param.spelling)
next_is_size = False
if param.type.spelling == "uint32_t":
cpp.write("%s ? sizeof(lin) : 0" % param.spelling)
convert_size_param = ", " + param.spelling
else:
cpp.write("(%s)%s" % (param.type.spelling, param.spelling))
convert_size_param = ", -1"
elif "&" in param.type.spelling:
cfile.write(", %s" % param.spelling)
cpp.write("*%s" % param.spelling)
else:
cfile.write(", %s" % param.spelling)
cpp.write("(%s)%s" % (param.type.spelling, param.spelling))
if should_gen_wrapper:
cfile.write(")")
if is_method_overridden:
cfile.write(", %s" % iface_version[iface_version.find("_") + 1:].lstrip("0"))
for classname_pattern, user_data_type, _ in method_overrides_data:
if classname_pattern in classname:
cfile.write(", &_this->user_data")
break
cfile.write(");\n")
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"])):
assert(path_conv["l2w_names"][i]) #otherwise, no name means string is in return value. needs special handling.
cfile.write(" ")
if path_conv["return_is_size"]:
cfile.write("path_result = ")
cfile.write("vrclient_unix_path_to_dos_path(path_result, %s, %s, %s);\n" % (path_conv["l2w_names"][i], path_conv["l2w_names"][i], path_conv["l2w_lens"][i]))
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(" vrclient_free_stringlist(lin_%s);\n" % path_conv["w2l_names"][i])
if do_lin_to_win:
if next_is_size and not convert_size_param:
convert_size_param = ", -1"
cpp.write(" if(%s)\n" % do_lin_to_win[1])
cpp.write(" struct_%s_%s_lin_to_win(&lin, %s%s);\n" % (strip_ns(do_lin_to_win[0]), display_sdkver(sdkver), do_lin_to_win[1], convert_size_param))
if do_lin_to_win or do_win_to_lin:
if not method.result_type.kind == clang.cindex.TypeKind.VOID:
cpp.write(" return _ret;\n")
if do_wrap and not method.result_type.kind == clang.cindex.TypeKind.VOID:
cpp.write(" if(_ret == 0)\n")
cpp.write(" *%s = struct_%s_%s_wrap(lin);\n" % (do_wrap[1], strip_ns(do_wrap[0]), display_sdkver(sdkver)))
cpp.write(" return _ret;\n")
cfile.write("}\n\n")
cpp.write("}\n\n")
def get_iface_version(classname):
if classname in iface_versions.keys():
ver = iface_versions[classname]
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)
max_c_api_param_count = 0
def get_capi_thunk_params(method):
def toBOOL(x):
return "TRUE" if x else "FALSE"
returns_record = method.result_type.get_canonical().kind == clang.cindex.TypeKind.RECORD
param_types = [x.type for x in get_params(method)]
if returns_record:
param_types.insert(0, method.result_type)
param_count = len(param_types)
has_float_params = any(x.spelling == "float" for x in param_types)
is_4th_float = param_count >= 4 and param_types[3].spelling == "float"
return "%s, %s, %s" % (param_count, toBOOL(has_float_params), toBOOL(is_4th_float))
def handle_class(sdkver, classnode):
print("handle_class: " + classnode.displayname)
children = list(classnode.get_children())
if len(children) == 0:
return
(iface_version, already_generated) = get_iface_version(classnode.spelling)
if already_generated:
return
winname = "win%s" % classnode.spelling
cppname = "cpp%s_%s" % (classnode.spelling, iface_version)
file_exists = os.path.isfile("vrclient_x64/%s.c" % winname)
cfile = open("vrclient_x64/%s.c" % winname, "a")
if not file_exists:
cfile.write("""/* This file is auto-generated, do not edit. */
#include <stdarg.h>
#include <stdint.h>
#include "windef.h"
#include "winbase.h"
#include "wine/debug.h"
#include "cxx.h"
#include "vrclient_defs.h"
#include "vrclient_private.h"
#include "struct_converters.h"
#include "flatapi.h"
WINE_DEFAULT_DEBUG_CHANNEL(vrclient);
""")
cpp = open("vrclient_x64/%s.cpp" % cppname, "w")
cpp.write("#include \"vrclient_private.h\"\n")
cpp.write("#include \"vrclient_defs.h\"\n")
if os.path.isfile("openvr_%s/ivrclientcore.h" % sdkver):
cpp.write("#include \"openvr_%s/ivrclientcore.h\"\n" % sdkver)
else:
cpp.write("#include \"openvr_%s/openvr.h\"\n" % sdkver)
cpp.write("using namespace vr;\n")
cpp.write("extern \"C\" {\n")
cpp.write("#include \"struct_converters.h\"\n")
cpp.write("}\n")
cpp.write("#include \"%s.h\"\n" % cppname)
cpp.write("#ifdef __cplusplus\nextern \"C\" {\n#endif\n")
cpp_h = open("vrclient_x64/%s.h" % cppname, "w")
cpp_h.write("#ifdef __cplusplus\nextern \"C\" {\n#endif\n")
winclassname = "win%s_%s" % (classnode.spelling, iface_version)
cfile.write("#include \"%s.h\"\n\n" % cppname)
cfile.write("typedef struct __%s {\n" % winclassname)
cfile.write(" vtable_ptr *vtable;\n") # make sure to keep this first (flat API depends on it)
cfile.write(" void *linux_side;\n")
for classname_pattern, user_data_type, _ in method_overrides_data:
if classname_pattern in classnode.spelling:
cfile.write(" %s user_data;\n" % user_data_type)
break
cfile.write("} %s;\n\n" % winclassname)
methods = []
method_names = []
for child in children:
if child.kind == clang.cindex.CursorKind.CXX_METHOD:
handle_method(cfile, classnode.spelling, winclassname, cppname, child, cpp, cpp_h, method_names, iface_version)
methods.append(child)
cfile.write("extern vtable_ptr %s_vtable;\n\n" % winclassname)
cfile.write("#ifndef __GNUC__\n")
cfile.write("void __asm_dummy_vtables(void) {\n")
cfile.write("#endif\n")
cfile.write(" __ASM_VTABLE(%s,\n" % winclassname)
for method in method_names:
cfile.write(" VTABLE_ADD_FUNC(%s_%s)\n" % (winclassname, method))
cfile.write(" );\n")
cfile.write("#ifndef __GNUC__\n")
cfile.write("}\n")
cfile.write("#endif\n\n")
cfile.write("%s *create_%s(void *linux_side)\n{\n" % (winclassname, winclassname))
cfile.write(" %s *r = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(%s));\n" % (winclassname, winclassname))
cfile.write(" TRACE(\"-> %p\\n\", r);\n")
cfile.write(" r->vtable = &%s_vtable;\n" % winclassname)
cfile.write(" r->linux_side = linux_side;\n")
cfile.write(" return r;\n}\n\n")
cfile.write("void destroy_%s(void *object)\n{\n" % winclassname)
cfile.write(" TRACE(\"%p\\n\", object);\n")
for classname_pattern, user_data_type, user_data_destructor in method_overrides_data:
if user_data_destructor and classname_pattern in classnode.spelling:
cfile.write(" struct __%s *win_object = object;\n" % winclassname)
cfile.write(" %s(&win_object->user_data);\n" % user_data_destructor)
break
cfile.write(" HeapFree(GetProcessHeap(), 0, object);\n}\n\n")
# flat (FnTable) API
cfile.write("%s *create_%s_FnTable(void *linux_side)\n{\n" % (winclassname, winclassname))
cfile.write(" %s *r = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(%s));\n" % (winclassname, winclassname))
cfile.write(" struct thunk *thunks = alloc_thunks(%d);\n" % len(methods))
cfile.write(" struct thunk **vtable = HeapAlloc(GetProcessHeap(), 0, %d * sizeof(*vtable));\n" % len(methods))
cfile.write(" int i;\n\n")
cfile.write(" TRACE(\"-> %p, vtable %p, thunks %p\\n\", r, vtable, thunks);\n")
for i in range(len(methods)):
thunk_params = get_capi_thunk_params(methods[i])
global max_c_api_param_count
max_c_api_param_count = max(len(get_params(methods[i])), max_c_api_param_count)
cfile.write(" init_thunk(&thunks[%d], r, %s_%s, %s);\n" % (i, winclassname, method_names[i], thunk_params))
cfile.write(" for (i = 0; i < %d; i++)\n" % len(methods))
cfile.write(" vtable[i] = &thunks[i];\n")
cfile.write(" r->linux_side = linux_side;\n")
cfile.write(" r->vtable = (void *)vtable;\n")
cfile.write(" return r;\n}\n\n")
cfile.write("void destroy_%s_FnTable(void *object)\n{\n" % winclassname)
cfile.write(" %s *win_object = object;\n" % winclassname)
cfile.write(" TRACE(\"%p\\n\", win_object);\n")
for classname_pattern, user_data_type, user_data_destructor in method_overrides_data:
if user_data_destructor and classname_pattern in classnode.spelling:
cfile.write(" %s(&win_object->user_data);\n" % user_data_destructor)
break
cfile.write(" VirtualFree(win_object->vtable[0], 0, MEM_RELEASE);\n")
cfile.write(" HeapFree(GetProcessHeap(), 0, win_object->vtable);\n")
cfile.write(" HeapFree(GetProcessHeap(), 0, win_object);\n}\n\n")
cpp.write("#ifdef __cplusplus\n}\n#endif\n")
cpp_h.write("#ifdef __cplusplus\n}\n#endif\n")
constructors = open("vrclient_x64/win_constructors.h", "a")
constructors.write("extern void *create_%s(void *);\n" % winclassname)
constructors.write("extern void *create_%s_FnTable(void *);\n" % winclassname)
destructors = open("vrclient_x64/win_destructors.h", "a")
destructors.write("extern void destroy_%s(void *);\n" % winclassname)
destructors.write("extern void destroy_%s_FnTable(void *);\n" % winclassname)
constructors = open("vrclient_x64/win_constructors_table.dat", "a")
constructors.write(" {\"%s\", &create_%s, &destroy_%s},\n" % (iface_version, winclassname, winclassname))
constructors.write(" {\"FnTable:%s\", &create_%s_FnTable, &destroy_%s_FnTable},\n" % (iface_version, winclassname, winclassname))
if iface_version in aliases.keys():
for alias in aliases[iface_version]:
constructors.write(" {\"%s\", &create_%s, &destroy_%s}, /* alias */\n" % (alias, winclassname, winclassname))
constructors.write(" {\"FnTable:%s\", &create_%s_FnTable, &destroy_%s_FnTable},\n" % (alias, winclassname, winclassname))
generate_c_api_thunk_tests(winclassname, methods, method_names)
def strip_const(typename):
return typename.replace("const ", "", 1)
def find_windows_struct(struct):
children = list(windows_build.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 strip_const(strip_ns(struct.spelling)) == strip_ns(vrchild.type.spelling):
return vrchild.type
else:
if strip_const(strip_ns(struct.spelling)) == strip_ns(child.type.spelling):
return child.type
return None
def find_windows64_struct(struct):
children = list(windows_build64.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 strip_const(struct.spelling) == vrchild.type.spelling:
return vrchild.type
else:
if strip_const(strip_ns(struct.spelling)) == strip_ns(child.type.spelling):
return child.type
return None
def find_linux64_struct(struct):
children = list(linux_build64.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 strip_const(struct.spelling) == vrchild.type.spelling:
return vrchild.type
else:
if strip_const(strip_ns(struct.spelling)) == strip_ns(child.type.spelling):
return child.type
return 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)
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.get_canonical().kind == clang.cindex.TypeKind.RECORD and \
struct_needs_conversion(field.type.get_canonical()):
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.get_canonical().kind == clang.cindex.TypeKind.RECORD and \
struct_needs_conversion(field.type.get_canonical()):
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 get_field_attribute_str(field):
ftype = field.type.get_canonical()
if ftype.kind != clang.cindex.TypeKind.RECORD:
return ""
win_struct = find_windows_struct(ftype)
align = win_struct.get_align()
return " __attribute__((aligned(" + str(align) + ")))"
generated_struct_handlers = []
cpp_files_need_close_brace = []
LIN_TO_WIN=1
WIN_TO_LIN=2
WRAPPERS=3
#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):
handler_name = "%s_%s" % (struct.displayname, display_sdkver(sdkver))
if handler_name in generated_struct_handlers:
# we already have a handler for the struct struct of this size
return
which = set()
if struct_needs_conversion(struct.type.get_canonical()):
which.add(LIN_TO_WIN)
which.add(WIN_TO_LIN)
if strip_ns(struct.displayname) in system_structs:
which.add(WRAPPERS)
if len(which) == 0:
return
filename_base = "struct_converters_%s" % display_sdkver(sdkver)
cppname = "vrclient_x64/%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("vrclient_x64/struct_converters.h", "a")
hfile.write("typedef struct win%s win%s;\n" % (handler_name, handler_name))
cppfile.write("#pragma pack(push, 8)\n")
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.get_canonical().kind == clang.cindex.TypeKind.CONSTANTARRAY:
cppfile.write(" %s %s[%u]" % (m.type.element_type.spelling, m.displayname, m.type.element_count))
elif m.type.get_canonical().kind == clang.cindex.TypeKind.RECORD and \
struct_needs_conversion(m.type.get_canonical()):
cppfile.write(" win%s_%s %s" % (strip_ns(m.type.spelling), display_sdkver(sdkver), m.displayname))
else:
if m.type.get_canonical().kind == clang.cindex.TypeKind.POINTER and \
m.type.get_pointee().kind == clang.cindex.TypeKind.FUNCTIONPROTO:
cppfile.write(" void *%s /*fn pointer*/ " % m.displayname)
else:
cppfile.write(" %s %s" % (m.type.spelling, m.displayname))
cppfile.write(get_field_attribute_str(m) + ";\n")
if WRAPPERS in which:
cppfile.write("\n %s *linux_side;\n" % struct.displayname)
cppfile.write("} __attribute__ ((ms_struct));\n")
cppfile.write("#pragma pack(pop)\n\n")
def dump_converter(src, dst, size):
for m in struct.get_children():
if m.kind == clang.cindex.CursorKind.FIELD_DECL:
if m.type.get_canonical().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(" + dst + "->" + m.displayname + ", " + src + "->" + m.displayname + ", sizeof(" + dst + "->" + m.displayname + "));\n")
elif m.type.get_canonical().kind == clang.cindex.TypeKind.RECORD and \
struct_needs_conversion(m.type.get_canonical()):
cppfile.write(" struct_" + strip_ns(m.type.spelling) + "_" + display_sdkver(sdkver) + "_" + src + "_to_" + dst + \
"(&" + src + "->" + m.displayname + ", &" + dst + "->" + m.displayname + ");\n")
elif struct.displayname in struct_size_fields and \
m.displayname in struct_size_fields[struct.displayname]:
cppfile.write(" " + dst + "->" + m.displayname + " = sizeof(*" + dst + ");\n")
elif size and strip_ns(m.type.get_canonical().spelling) == "VREvent_Data_t":
#truncate variable-length data struct at the end of the parent struct
#XXX: dumb hard-coding. are the other types with lengths variable length?
cppfile.write(" memcpy(&" + dst + "->data, &" + src + "->data, " + size + " - (((char*)&" + dst + "->data) - ((char*)" + dst + ")));\n")
else:
cppfile.write(" " + dst + "->" + m.displayname + " = " + src + "->" + m.displayname + ";\n")
if strip_ns(struct.displayname) in next_is_size_structs:
size_arg = "sz"
size_arg_type = ", uint32_t sz"
else:
size_arg = None
size_arg_type = ""
if LIN_TO_WIN in which:
hfile.write("extern void struct_%s_lin_to_win(void *l, void *w%s);\n" % (handler_name, size_arg_type))
cppfile.write("void struct_%s_lin_to_win(void *l, void *w%s)\n{\n" % (handler_name, size_arg_type))
cppfile.write(" struct win%s *win = (struct win%s *)w;\n" % (handler_name, handler_name))
cppfile.write(" %s *lin = (%s *)l;\n" % (struct.displayname, struct.displayname))
dump_converter("lin", "win", size_arg)
cppfile.write("}\n\n")
if WIN_TO_LIN in which:
#XXX: should pass size param here, too
hfile.write("extern void struct_%s_win_to_lin(void *w, void *l);\n" % handler_name)
cppfile.write("void struct_%s_win_to_lin(void *w, void *l)\n{\n" % handler_name)
cppfile.write(" struct win%s *win = (struct win%s *)w;\n" % (handler_name, handler_name))
cppfile.write(" %s *lin = (%s *)l;\n" % (struct.displayname, struct.displayname))
dump_converter("win", "lin", None)
cppfile.write("}\n\n")
if WRAPPERS in which:
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))
dump_converter("lin", "win", None)
cppfile.write(" win->linux_side = lin;\n");
cppfile.write(" return win;\n")
cppfile.write("}\n\n")
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)
def generate_x64_call_flat_method(cfile, param_count, has_floats, is_4th_float):
assert param_count >= 4
if is_4th_float:
assert has_floats
def l(line):
cfile.write(line + '\n')
stack_space = 0x20 # shadow register space
stack_space += 0x8 * (param_count - 3)
stack_space |= 0x8
src_offset = 0x20 + 0x8 + stack_space # shadow register space + ret
dst_offset = 0x20
name = "call_flat_method%s%s%s" % (param_count, "_f" if has_floats else "", "_f" if is_4th_float else "")
l(r"__ASM_GLOBAL_FUNC(%s," % name)
l(r' "subq $0x%x, %%rsp\n\t"' % stack_space);
l(r' __ASM_CFI(".cfi_adjust_cfa_offset %d\n\t")' % stack_space)
if is_4th_float:
l(r' "movq %%xmm3, 0x%x(%%rsp)\n\t"' % dst_offset)
else:
l(r' "movq %%r9, 0x%x(%%rsp)\n\t"' % dst_offset)
dst_offset += 8
for i in range(5, param_count + 1):
l(r' "movq 0x%x(%%rsp), %%rax\n\t" // copy parameter' % src_offset)
l(r' "movq %%rax, 0x%x(%%rsp)\n\t"' % dst_offset)
src_offset += 8
dst_offset += 8
l(r' "movq %r8, %r9\n\t" // shift over arguments')
l(r' "movq %rdx, %r8\n\t"')
l(r' "movq %rcx, %rdx\n\t"')
l(r' "movq %r10, %rcx\n\t" // add This pointer')
if has_floats:
l(r' "movaps %xmm2, %xmm3\n\t"')
l(r' "movaps %xmm1, %xmm2\n\t"')
l(r' "movaps %xmm0, %xmm1\n\t"')
l(r' "call *%r11\n\t"')
l(r' "addq $0x%x, %%rsp\n\t"' % stack_space);
l(r' __ASM_CFI(".cfi_adjust_cfa_offset -%d\n\t")' % stack_space)
l(r' "ret");')
l(r'extern void %s(void);' % name);
def generate_flatapi_c():
with open("vrclient_x64/flatapi.c", "w") as f:
f.write(r"""/* This file is auto-generated, do not edit. */
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "cxx.h"
#include "flatapi.h"
#ifdef __i386__
__ASM_GLOBAL_FUNC(call_flat_method,
"popl %eax\n\t"
"pushl %ecx\n\t"
"pushl %eax\n\t"
"jmp *%edx");
#else
// handles "this" and up to 3 parameters
__ASM_GLOBAL_FUNC(call_flat_method,
"movq %r8, %r9\n\t" // shift over arguments
"movq %rdx, %r8\n\t"
"movq %rcx, %rdx\n\t"
"movq %r10, %rcx\n\t" // add This pointer
"jmp *%r11");
extern void call_flat_method(void);
__ASM_GLOBAL_FUNC(call_flat_method_f,
"movq %r8, %r9\n\t" // shift over arguments
"movq %rdx, %r8\n\t"
"movq %rcx, %rdx\n\t"
"movq %r10, %rcx\n\t" // add This pointer
"movaps %xmm2, %xmm3\n\t"
"movaps %xmm1, %xmm2\n\t"
"movaps %xmm0, %xmm1\n\t"
"jmp *%r11");
extern void call_flat_method_f(void);
""")
for i in range(4, max_c_api_param_count + 1):
f.write("\n")
generate_x64_call_flat_method(f, i, False, False)
for i in range(4, max_c_api_param_count + 1):
f.write("\n")
generate_x64_call_flat_method(f, i, True, False)
f.write("\n")
generate_x64_call_flat_method(f, i, True, True)
f.write('\npfn_call_flat_method\n')
f.write('get_call_flat_method_pfn( int param_count, BOOL has_floats, BOOL is_4th_float )\n{\n')
f.write(' if (!has_floats)\n')
f.write(' {\n')
f.write(' if (param_count <= 3) return call_flat_method;\n')
for i in range(4, max_c_api_param_count):
f.write(' if (param_count == %s) return call_flat_method%s;\n' % (i, i))
f.write(' return call_flat_method%s;\n' % max_c_api_param_count)
f.write(' }\n')
f.write(' if (is_4th_float)\n')
f.write(' {\n')
f.write(' if (param_count <= 3) return call_flat_method_f;\n')
for i in range(4, max_c_api_param_count):
f.write(' if (param_count == %s) return call_flat_method%s_f_f;\n' % (i, i))
f.write(' return call_flat_method%s_f_f;\n' % max_c_api_param_count)
f.write(' }\n')
f.write(' if (param_count <= 3) return call_flat_method_f;\n')
for i in range(4, max_c_api_param_count):
f.write(' if (param_count == %s) return call_flat_method%s_f;\n' % (i, i))
f.write(' return call_flat_method%s_f;\n' % max_c_api_param_count)
f.write('}\n')
f.write("#endif\n")
def generate_c_api_method_test(f, header, thunks_c, class_name, method_name, method):
thunk_params = get_capi_thunk_params(method)
f.write("\n init_thunk(t, this_ptr_value, %s_%s, %s);\n" % (class_name, method_name, thunk_params))
f.write(" ")
header.write("\n")
thunks_c.write("\n")
returns_record = method.result_type.get_canonical().kind == clang.cindex.TypeKind.RECORD
if returns_record:
f.write("%s *" % strip_ns(method.result_type.spelling))
header.write("%s *" % strip_ns(method.result_type.spelling))
thunks_c.write("%s *" % strip_ns(method.result_type.spelling))
else:
f.write("%s " % strip_ns(method.result_type.spelling))
header.write("%s " % strip_ns(method.result_type.spelling))
thunks_c.write("%s " % strip_ns(method.result_type.spelling))
first_param = True
f.write('(__stdcall *capi_%s_%s)(' % (class_name, method_name))
header.write('__thiscall %s_%s(void *_this' % (class_name, method_name))
thunks_c.write('__thiscall %s_%s(void *_this' % (class_name, method_name))
if returns_record:
f.write("%s *_r" % strip_ns(method.result_type.spelling))
first_param = False
header.write(", %s *_r" % strip_ns(method.result_type.spelling))
thunks_c.write(", %s *_r" % strip_ns(method.result_type.spelling))
for param in get_params(method):
if param.type.kind == clang.cindex.TypeKind.POINTER \
and param.type.get_pointee().kind == clang.cindex.TypeKind.UNEXPOSED:
typename = "void *"
else:
typename = param.type.spelling.split("::")[-1].replace("&", "*");
if not first_param:
f.write(", ")
first_param = False
f.write("%s %s" % (typename, param.spelling))
header.write(", %s %s" % (typename, param.spelling))
thunks_c.write(", %s %s" % (typename, param.spelling))
f.write(") = (void *)t;\n")
header.write(");\n")
thunks_c.write(")\n{\n")
def get_param_typename(param):
param_size = param.type.get_size()
if param.type.kind == clang.cindex.TypeKind.POINTER \
or param.type.spelling.endswith("&") \
or param.type.spelling == "vr::glSharedTextureHandle_t":
return "ptr"
elif param.type.spelling == "bool":
return "bool"
elif param.type.spelling == "float":
return "float"
elif param.type.spelling == "vr::HmdRect2_t":
return "HmdRect2"
elif param.type.spelling == "vr::HmdVector2_t":
return "HmdVector2"
elif param.type.spelling == "vr::HmdVector3_t":
return "HmdVector3"
elif param.type.spelling == "vr::HmdColor_t":
return "HmdColor"
elif param_size == 8:
return "uint64"
elif param_size == 4 or param_size == 2:
return "uint32"
else:
return "unknown"
thunks_c.write(" push_ptr_parameter(_this);\n")
if returns_record:
thunks_c.write(" push_ptr_parameter(_r);\n")
for param in get_params(method):
typename = get_param_typename(param)
thunks_c.write(" push_%s_parameter(%s);\n" % (typename, param.spelling))
if method.result_type.kind != clang.cindex.TypeKind.VOID:
thunks_c.write(" return 0;\n")
thunks_c.write("}\n")
parameter_checks = []
def add_parameter_check(typename, value):
parameter_checks.append("check_%s_parameter(\"%s_%s\", %s)" % (typename, class_name, method_name, value))
add_parameter_check("ptr", "this_ptr_value")
f.write("\n")
f.write(" clear_parameters();\n")
f.write(" capi_%s_%s(" % (class_name, method_name))
first_param = True
if returns_record:
f.write("data_ptr_value")
first_param = False
add_parameter_check("ptr", "data_ptr_value")
for i, param in enumerate(get_params(method)):
i += 1
typename = get_param_typename(param)
if typename == "ptr":
v = "(void *)%s" % i
elif typename == "bool":
v = "1"
elif typename == "float":
v = "%s.0f" % i
elif typename == "HmdRect2":
v = "DEFAULT_RECT"
elif typename == "HmdVector2":
v = "DEFAULT_VECTOR2"
elif typename == "HmdVector3":
v = "DEFAULT_VECTOR3"
elif typename == "HmdColor":
v = "DEFAULT_COLOR"
else:
v = str(i)
if not first_param:
f.write(", ")
first_param = False
f.write(v)
add_parameter_check(typename, v)
f.write(");\n")
for c in parameter_checks:
f.write(" %s;\n" % c)
def generate_c_api_thunk_tests(winclassname, methods, method_names):
class_name = re.sub(r'^win[A-Za-z]+_', '', winclassname)
filename = "tests/capi_thunks_autogen.h"
file_exists = os.path.isfile(filename)
header = open(filename, "a")
if not file_exists:
header.write("""/* This file is auto-generated, do not edit. */
#include <stdarg.h>
#include <stdint.h>
#include "windef.h"
#include "winbase.h"
#include "cxx.h"
#include "flatapi.h"
#include "vrclient_defs.h"
#include "capi_thunks.h"
""")
header.write("\nvoid test_capi_thunks_%s(void);\n" % class_name)
filename = "tests/capi_thunks_autogen.c"
file_exists = os.path.isfile(filename)
thunks_c = open(filename, "a")
if not file_exists:
thunks_c.write("""/* This file is auto-generated, do not edit. */
#include "capi_thunks_autogen.h"
""")
filename = "tests/capi_thunks_tests_autogen.c"
file_exists = os.path.isfile(filename)
with open(filename, "a") as f:
if not file_exists:
f.write("""/* This file is auto-generated, do not edit. */
#include "capi_thunks_autogen.h"
""")
f.write("\nvoid test_capi_thunks_%s(void)\n{\n" % class_name)
f.write(" struct thunk *t = alloc_thunks(1);\n");
for i in range(len(methods)):
generate_c_api_method_test(f, header, thunks_c, class_name, method_names[i], methods[i])
f.write(" VirtualFree(t, 0, MEM_RELEASE);\n")
f.write("}\n")
filename = "tests/main_autogen.c"
file_exists = os.path.isfile(filename)
with open(filename, "a") as f:
if not file_exists:
f.write("""/* This file is auto-generated, do not edit. */
#include "capi_thunks_autogen.h"
#include <stdio.h>
int main(void)
{
""")
f.write(" test_capi_thunks_%s();\n" % class_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, 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()
windows_build = index.parse(input_name, args=['-x', 'c++', '-m32', '-Iopenvr_%s/' % sdkver, '-I' + CLANG_PATH + '/include/', '-mms-bitfields', '-U__linux__', '-Wno-incompatible-ms-struct'])
windows_build64 = index.parse(input_name, args=['-x', 'c++', '-m64', '-Iopenvr_%s/' % sdkver, '-I' + CLANG_PATH + '/include/', '-mms-bitfields', '-U__linux__', '-Wno-incompatible-ms-struct'])
tu = index.parse(input_name, args=['-x', 'c++', '-m32', '-std=c++11', '-DGNUC', '-Iopenvr_%s/' % sdkver, '-I' + CLANG_PATH + '/include/'])
linux_build64 = index.parse(input_name, args=['-x', 'c++', '-m64', '-std=c++11', '-DGNUC', '-Iopenvr_%s/' % sdkver, '-I' + CLANG_PATH + '/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:
handle_struct(sdkver, vrchild)
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")
with open("tests/main_autogen.c", "a") as f:
f.write(" printf(\"All tests executed.\\n\");\n")
f.write("}\n")
generate_flatapi_c()
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