src/third_party/mozjs/js/src/gdb/mozilla/autoload.py

# mozilla/autoload.py: Autoload SpiderMonkey pretty-printers.

print "Loading JavaScript value pretty-printers; see js/src/gdb/README."
print "If they cause trouble, type: disable pretty-printer .* SpiderMonkey"

import gdb.printing
import mozilla.prettyprinters

# Import the pretty-printer modules. As a side effect, loading these
# modules registers their printers with mozilla.prettyprinters.
import mozilla.jsid
import mozilla.JSObject
import mozilla.JSString
import mozilla.jsval
import mozilla.Root

# The user may have personal pretty-printers. Get those, too, if they exist.
try:
    import my_mozilla_printers
except ImportError:
    pass

# Register our pretty-printers with |objfile|.
def register(objfile):
    lookup = mozilla.prettyprinters.lookup_for_objfile(objfile)
    if lookup:
        gdb.printing.register_pretty_printer(objfile, lookup, replace=True)