1 files changed, 181 insertions, 0 deletions
diff --git a/pkg/libevdev/eventnames.lua b/pkg/libevdev/eventnames.lua
new file mode 100644
index 00000000..c8538972
--- /dev/null
+++ b/pkg/libevdev/eventnames.lua
@@ -0,0 +1,181 @@
+local duplicates = {
+	EV_VERSION=true,
+	BTN_MISC=true,
+	BTN_MOUSE=true,
+	BTN_JOYSTICK=true,
+	BTN_GAMEPAD=true,
+	BTN_DIGI=true,
+	BTN_WHEEL=true,
+	BTN_TRIGGER_HAPPY=true,
+	SW_MAX=true,
+	REP_MAX=true,
+	FF_STATUS_MAX=true,
+}
+
+local skip = {
+	BTN=true,
+	EV=true,
+	INPUT_PROP=true,
+	MT_TOOL=true,
+}
+
+local prefixes = {
+	'EV',
+	'REL',
+	'ABS',
+	'KEY',
+	'BTN',
+	'LED',
+	'SND',
+	'MSC',
+	'SW',
+	'FF',
+	'SYN',
+	'REP',
+	'INPUT_PROP',
+	'MT_TOOL',
+}
+
+local bits = {}
+for _, prefix in ipairs(prefixes) do
+	bits[prefix] = {}
+end
+bits.EV.map = {}
+
+local function lookuptable(prefix)
+	local entries = {}
+	for _, name in ipairs(bits[prefix]) do
+		table.insert(entries, name)
+	end
+	local max = prefix..'_MAX'
+	if duplicates[max] then
+		table.insert(entries, max)
+	end
+	table.sort(entries)
+	for _, name in ipairs(entries) do
+		io.write(string.format('    { .name = "%s", .value = %s },\n', name, name))
+	end
+end
+
+for i = 1, #arg do
+	for line in io.lines(arg[i]) do
+		local name, value = line:match('^#define%s+(%g+)%s+([%xx]+)%f[^%g]')
+		value = tonumber(value)
+		if name and not duplicates[name] then
+			for prefix, b in pairs(bits) do
+				if name:sub(1, #prefix + 1) == prefix..'_' then
+					if b.map then
+						b.map[value] = name
+						b.map[name] = value
+					end
+					table.insert(b, name)
+				end
+			end
+		end
+	end
+end
+
+io.write[[
+/* THIS FILE IS GENERATED, DO NOT EDIT */
+
+#ifndef EVENT_NAMES_H
+#define EVENT_NAMES_H
+
+]]
+for _, prefix in ipairs(prefixes) do
+	if prefix ~= 'BTN' then
+		io.write(string.format('static const char * const %s_map[%s_MAX + 1] = {\n', prefix:lower(), prefix))
+		for _, name in ipairs(bits[prefix]) do
+			io.write(string.format('    [%s] = "%s",\n', name, name))
+		end
+		if prefix == 'KEY' then
+			for _, name in ipairs(bits.BTN) do
+				io.write(string.format('    [%s] = "%s",\n', name, name))
+			end
+		end
+		io.write[[
+};
+
+]]
+	end
+end
+for _, name in ipairs{'BTN_A', 'BTN_B', 'BTN_X', 'BTN_Y'} do
+	table.insert(bits.BTN, name)
+end
+io.write[[
+static const char * const * const event_type_map[EV_MAX + 1] = {
+]]
+for _, prefix in ipairs(prefixes) do
+	if not skip[prefix] then
+		print(string.format('    [EV_%s] = %s_map,', prefix, prefix:lower()))
+	end
+end
+io.write[[
+};
+
+#if __clang__
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Winitializer-overrides"
+#elif __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Woverride-init"
+#endif
+static const int ev_max[EV_MAX + 1] = {
+]]
+for i = 0, bits.EV.map.EV_MAX do
+	local name = bits.EV.map[i]
+	if name and bits[name:sub(4)] then
+		io.write(string.format('    %s_MAX,\n', name:sub(4)))
+	else
+		io.write('    -1,\n')
+	end
+end
+io.write[[
+};
+#if __clang__
+#pragma clang diagnostic pop /* "-Winitializer-overrides" */
+#elif __GNUC__
+#pragma GCC diagnostic pop /* "-Woverride-init" */
+#endif
+
+struct name_entry {
+    const char *name;
+    unsigned int value;
+};
+
+static const struct name_entry tool_type_names[] = {
+]]
+lookuptable('MT_TOOL')
+io.write[[
+};
+
+static const struct name_entry ev_names[] = {
+]]
+lookuptable('EV')
+io.write[[
+};
+
+static const struct name_entry code_names[] = {
+]]
+lookuptable('ABS')
+lookuptable('BTN')
+lookuptable('FF')
+lookuptable('KEY')
+lookuptable('LED')
+lookuptable('MSC')
+lookuptable('REL')
+lookuptable('REP')
+lookuptable('SND')
+lookuptable('SW')
+lookuptable('SYN')
+io.write[[
+};
+
+static const struct name_entry prop_names[] = {
+]]
+lookuptable('INPUT_PROP')
+io.write[[
+};
+
+#endif /* EVENT_NAMES_H */
+]]