jp: 2x faster parsing (#37904)

* jp: 2x faster parsing

* rm dynamic path

* cleanup

* lil more

* livin in the future

* clean that up

* one more

tools/jotpluggler/SConscript

@@ -1,4 +1,5 @@
 import os
+import subprocess
 import imgui
 import libusb
 from opendbc import get_generated_dbcs
@@ -77,8 +78,24 @@ def write_car_fingerprint_to_dbc_header(target, source, env):
 
   return None
 
+def generate_event_extractors(target, source, env):
+  subprocess.check_call([
+    "python3",
+    "tools/jotpluggler/generate_event_extractors.py",
+    os.path.realpath(BASEDIR),
+    str(target[0]),
+  ])
+  return None
+
 generated_dbc_stamp = jot_env.Command(f"generated_dbcs/.stamp", [], materialize_generated_dbcs)
 car_fingerprint_to_dbc = jot_env.Command("car_fingerprint_to_dbc.h", [], write_car_fingerprint_to_dbc_header)
+event_extractors = jot_env.Command("generated_event_extractors.h", [
+    "generate_event_extractors.py",
+    jot_env.Glob("#cereal/*.capnp"),
+    jot_env.Glob("#cereal/include/*.capnp"),
+  ],
+  generate_event_extractors,
+)
 
 libs = [replay_lib, common, messaging, visionipc, cereal, File(f"{imgui.LIB_DIR}/libimgui.a"), File(f"{imgui.LIB_DIR}/libglfw3.a"),
         "avformat", "avcodec", "avutil", "x264", "yuv", "z", "bz2", "zstd", "m", "pthread", "usb-1.0"]
@@ -90,3 +107,4 @@ else:
 program = jot_env.Program("jotpluggler", jot_env.Glob("*.cc"), LIBS=libs)
 jot_env.Depends(program, generated_dbc_stamp)
 jot_env.Depends(program, car_fingerprint_to_dbc)
+jot_env.Depends(program, event_extractors)