luau/tools/gdb_printers.py

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# This file is part of the Luau programming language and is licensed under MIT License; see LICENSE.txt for details
class VariantPrinter:
def __init__(self, val):
self.val = val
def to_string(self):
typeId = int(self.val['typeId'])
type = self.val.type.template_argument(typeId)
value = self.val['storage'].reinterpret_cast(type.pointer()).dereference()
return type.name + " [" + str(value) + "]"
def match_printer(val):
type = val.type.strip_typedefs()
if type.name and type.name.startswith('Luau::Variant<'):
return VariantPrinter(val)
return None
gdb.pretty_printers.append(match_printer)