1
0
mirror of https://github.com/nlohmann/json synced 2024-11-29 23:21:04 +00:00
nlohmannjson/third_party/gdb_pretty_printer/nlohmann-json.py
2021-01-23 13:26:44 +01:00

29 lines
906 B
Python

import gdb
import re
class JsonValuePrinter:
"Print a json-value"
def __init__(self, val):
self.val = val
def to_string(self):
if self.val.type.strip_typedefs().code == gdb.TYPE_CODE_FLT:
return ("%.6f" % float(self.val)).rstrip("0")
return self.val
def json_lookup_function(val):
if re.search("^nlohmann::basic_json<.*>$", val.type.strip_typedefs().name):
t = str(val['m_type'])
if t.startswith("nlohmann::detail::value_t::"):
try:
union_val = val['m_value'][t[27:]]
if union_val.type.code == gdb.TYPE_CODE_PTR:
return gdb.default_visualizer(union_val.dereference())
else:
return JsonValuePrinter(union_val)
except:
return JsonValuePrinter(val['m_type'])
gdb.pretty_printers.append(json_lookup_function)