Auto-generate the getevent labels from <linux/input.h>.

Now we only have to remember to update the kernel uapi headers, which
we're pretty good at.

Change-Id: If04eb8c50882fff5e5e2a5d72664f5d4c4c538b1

1 files changed, 93 insertions, 0 deletions

diff --git a/toolbox/generate-input.h-labels.py b/toolbox/generate-input.h-labels.py
new file mode 100755
index 000000000..4d7904350
--- /dev/null
+++ b/toolbox/generate-input.h-labels.py
@@ -0,0 +1,93 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2015 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the 'License');
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an 'AS IS' BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# pylint: disable=bad-indentation,bad-continuation
+
+import os
+import re
+
+input_prop_list = []
+ev_list = []
+syn_list = []
+key_list = []
+rel_list = []
+abs_list = []
+sw_list = []
+msc_list = []
+led_list = []
+rep_list = []
+snd_list = []
+mt_tool_list = []
+ff_status_list = []
+ff_list = []
+
+r = re.compile(r'#define\s+(\S+)\s+((?:0x)?\d+)')
+
+with open(os.environ['ANDROID_BUILD_TOP'] + '/bionic/libc/kernel/uapi/linux/input.h', 'r') as f:
+  for line in f:
+    m = r.match(line)
+    if m:
+      name = m.group(1)
+      if name.startswith("INPUT_PROP_"):
+        input_prop_list.append(name)
+      elif name.startswith("EV_"):
+        ev_list.append(name)
+      elif name.startswith("SYN_"):
+        syn_list.append(name)
+      elif name.startswith("KEY_") or name.startswith("BTN_"):
+        key_list.append(name)
+      elif name.startswith("REL_"):
+        rel_list.append(name)
+      elif name.startswith("ABS_"):
+        abs_list.append(name)
+      elif name.startswith("SW_"):
+        sw_list.append(name)
+      elif name.startswith("MSC_"):
+        msc_list.append(name)
+      elif name.startswith("LED_"):
+        led_list.append(name)
+      elif name.startswith("REP_"):
+        rep_list.append(name)
+      elif name.startswith("SND_"):
+        snd_list.append(name)
+      elif name.startswith("MT_TOOL_"):
+        mt_tool_list.append(name)
+      elif name.startswith("FF_STATUS_"):
+        ff_status_list.append(name)
+      elif name.startswith("FF_"):
+        ff_list.append(name)
+
+def Dump(struct_name, values):
+  print 'static struct label %s[] = {' % (struct_name)
+  for value in values:
+    print '    LABEL(%s),' % (value)
+  print '    LABEL_END,'
+  print '};'
+
+Dump("input_prop_labels", input_prop_list)
+Dump("ev_labels", ev_list)
+Dump("syn_labels", syn_list)
+Dump("key_labels", key_list)
+Dump("rel_labels", rel_list)
+Dump("abs_labels", abs_list)
+Dump("sw_labels", sw_list)
+Dump("msc_labels", msc_list)
+Dump("led_labels", led_list)
+Dump("rep_labels", rep_list)
+Dump("snd_labels", snd_list)
+Dump("mt_tool_labels", mt_tool_list)
+Dump("ff_status_labels", ff_status_list)
+Dump("ff_labels", ff_list)