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lsteamclient: Generate struct converters
This commit is contained in:
Andrew Eikum
parent
1c79a6a2d0
commit
ab30d847d9
52 changed files with 24232 additions and 30 deletions
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@ -392,25 +392,35 @@ cb_table = {}
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def handle_struct(sdkver, struct):
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members = struct.get_children()
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cb_num = None
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has_fields = False
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for c in members:
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if c.kind == clang.cindex.CursorKind.ENUM_DECL:
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enums = c.get_children()
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for e in enums:
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if e.displayname == "k_iCallback":
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cb_num = e.enum_value
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if c.kind == clang.cindex.CursorKind.FIELD_DECL:
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has_fields = True
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w2l_handler_name = None
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l2w_handler_name = None
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if cb_num is None:
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if not has_fields:
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return
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if struct.displayname == "CSteamID":
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return
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struct_name = "%s_%s" % (struct.displayname, sdkver)
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handler_name = "struct_%s" % struct_name;
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return
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w2l_handler_name = "win_to_lin_struct_%s" % struct_name;
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l2w_handler_name = "lin_to_win_struct_%s" % struct_name;
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else:
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#for callbacks, we use the linux struct size in the cb dispatch switch
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struct_name = "%s_%s" % (struct.displayname, struct.type.get_size())
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handler_name = "cb_%s" % struct_name;
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if handler_name in generated_cb_handlers:
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l2w_handler_name = "cb_%s" % struct_name;
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if l2w_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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if l2w_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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@ -426,9 +436,9 @@ def handle_struct(sdkver, struct):
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generated_cb_ids.append(cb_id)
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datfile = open("struct_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); %s(lin_msg.m_pubParam, win_msg->m_pubParam); break;\n" % (cb_id, struct_name, handler_name))
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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); %s(lin_msg.m_pubParam, win_msg->m_pubParam); break;\n" % (cb_id, struct_name, l2w_handler_name))
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generated_cb_handlers.append(handler_name)
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generated_cb_handlers.append(l2w_handler_name)
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if not cb_num in cb_table.keys():
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# latest SDK linux size, list of windows struct names
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@ -452,17 +462,23 @@ def handle_struct(sdkver, struct):
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cpp_files_need_close_brace.append(cppname)
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hfile = open("struct_converters.h", "a")
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hfile.write("#pragma pack( push, 8 )\n")
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hfile.write("struct win%s {\n" % struct_name)
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for m in struct.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))
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hfile.write("} __attribute__ ((ms_struct));\n")
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hfile.write("#pragma pack( pop )\n")
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hfile.write("extern void %s(void *l, void *w);\n\n" % handler_name)
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if cb_num:
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hfile.write("#pragma pack( push, 8 )\n")
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hfile.write("struct win%s {\n" % struct_name)
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for m in struct.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))
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hfile.write("} __attribute__ ((ms_struct));\n")
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hfile.write("#pragma pack( pop )\n")
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if w2l_handler_name:
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hfile.write("extern void %s(void *w, void *l);\n" % w2l_handler_name)
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if l2w_handler_name:
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hfile.write("extern void %s(void *l, void *w);\n" % l2w_handler_name)
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hfile.write("\n")
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cppfile.write("#pragma pack( push, 8 )\n")
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cppfile.write("struct win%s {\n" % struct_name)
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@ -475,18 +491,33 @@ def handle_struct(sdkver, struct):
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cppfile.write("} __attribute__ ((ms_struct));\n")
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cppfile.write("#pragma pack( pop )\n")
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cppfile.write("void %s(void *l, void *w)\n{\n" % handler_name)
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cppfile.write(" %s *lin = (%s *)l;\n" % (struct.displayname, struct.displayname))
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cppfile.write(" struct win%s *win = (struct win%s *)w;\n" % (struct_name, struct_name))
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for m in struct.get_children():
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def handle_field(m, src, dst):
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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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#TODO: if this is a struct, or packed differently, we'll have to
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# copy each element in a for-loop
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cppfile.write(" memcpy(win->%s, lin->%s, sizeof(win->%s));\n" % (m.displayname, m.displayname, m.displayname))
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assert(m.type.element_type.kind != clang.cindex.TypeKind.RECORD or \
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m.type.element_type.spelling == "CSteamID") #if this fails, we need struct array copy
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cppfile.write(" memcpy(%s->%s, %s->%s, sizeof(%s->%s));\n" % (dst, m.displayname, src, m.displayname, dst, m.displayname))
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elif m.type.kind == clang.cindex.TypeKind.RECORD and \
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m.type.spelling != "CSteamID":
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cppfile.write(" %s_to_%s_struct_%s_%s(&%s->%s, &%s->%s);\n" % (src, dst, m.type.spelling, sdkver, src, m.displayname, dst, m.displayname))
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else:
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cppfile.write(" win->%s = lin->%s;\n" % (m.displayname, m.displayname))
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cppfile.write("}\n\n")
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cppfile.write(" %s->%s = %s->%s;\n" % (dst, m.displayname, src, m.displayname))
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if w2l_handler_name:
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cppfile.write("void %s(void *w, void *l)\n{\n" % w2l_handler_name)
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cppfile.write(" %s *lin = (%s *)l;\n" % (struct.displayname, struct.displayname))
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cppfile.write(" struct win%s *win = (struct win%s *)w;\n" % (struct_name, struct_name))
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for m in struct.get_children():
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handle_field(m, "win", "lin")
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cppfile.write("}\n\n")
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if l2w_handler_name:
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cppfile.write("void %s(void *l, void *w)\n{\n" % l2w_handler_name)
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cppfile.write(" %s *lin = (%s *)l;\n" % (struct.displayname, struct.displayname))
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cppfile.write(" struct win%s *win = (struct win%s *)w;\n" % (struct_name, struct_name))
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for m in struct.get_children():
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handle_field(m, "lin", "win")
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cppfile.write("}\n\n")
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#clang.cindex.Config.set_library_file("/usr/lib/llvm-3.8/lib/libclang-3.8.so.1");
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