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Ernie Pasveer
43 lines
1.3 KiB
Python
Executable File
43 lines
1.3 KiB
Python
Executable File
import gdb
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# The PrettyPrinter object.
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class LocationPrinter:
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# Save a copy of the Location.
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def __init__(self, val):
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self.__val = val
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# Convert it to a string. gdb will call this function.
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def to_string(self):
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ret = ""
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# Construct a python string with the values of the Location struct.
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# It's good to handle any errors. Hence the try/catch.
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try:
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ret = "Location=(" + str(self.__val['city']) + "," + str(self.__val['state']) + "," + str(self.__val['zip']) + "," + str(self.__val['cell']) + ")"
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except Exception as e:
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# Any exception will be saved in the return string.
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ret = str(e)
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return ret
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# A hint for gdb on the return type.
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def display_hint (self):
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return 'string'
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# Specify a function to detect a Location struct type and will call the PrettyPrinter object for it.
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#
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# gdb maintains a large list of PrettyPrinters for lots of data/class types. It will go through the
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# list looking for one that matches the type. If one is found, it uses it. Otherwise, gdb will
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# default to the regular way of printing data types.
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def LocationPrinter_func(val):
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if str(val.type) == 'Location':
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return LocationPrinter(val)
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# Add the function to gdb's list of PrettyPrinter functions.
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gdb.pretty_printers.append(LocationPrinter_func)
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