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import gdb
import gdb.printing
class expression_ref_printer:
def __init__(self, val):
self.val = val
def to_string(self):
x = self.val['px']
# Apparently we (Object *) <number> doesn't work, but (reg_var* ) <number> does??
# return gdb.parse_and_eval('((Object*) %s)->print()' % x)
return "expression_ref: " + ('%s' % x) # + " " +x.type
def expression_ref_lookup_function(val):
if val.type.tag == 'expression_ref':
return expression_ref_printer(val)
return None
def register_bali_phy_printers(obj):
if obj is None:
obj = gdb
# obj.pretty_printers.append(expression_ref_lookup_function)
# While I got the infrastructure working, there doesn't seem to be
# an easy way to call the E.px->print() from python.
#
# One suggestion would have bee something like:
# gdb.parse_and_eval('Object::print(%s)' % x) to call x->print().
#
# From inside gdb, one can run:
# python print gdb.parse_and_eval('E.px->print()')
# and get
# "49".
# Apparently this uses the pretty-printer for strings.
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