gdb/command/pretty_printers.py

1 # Pretty-printer commands.
25     """Internal utility to parse a pretty-printer command argv.
31              printer-name;subprinter-name.
76 def printer_enabled_p(printer):
77     """Internal utility to see if printer (or subprinter) is enabled."""
78     if hasattr(printer, "enabled"):
79         return printer.enabled
87     Usage: info pretty-printer [object-regexp [name-regexp]]
93     NAME-REGEXP matches the name of the pretty-printer.
95     printer-name;subprinter-name.
99         super(InfoPrettyPrinter, self).__init__("info pretty-printer",
103     def enabled_string(printer):
105         if printer_enabled_p(printer):
111     def printer_name(printer):
112         """Return the printer's name."""
113         if hasattr(printer, "name"):
114             return printer.name
115         if hasattr(printer, "__name__"):
116             return printer.__name__
118         # direct additions to the pretty-printer list, and we shouldn't
119         # crash because someone added a bogus printer.
131         for printer in sorted_pretty_printers:
132             name = self.printer_name(printer)
133             enabled = self.enabled_string(printer)
136                 if (hasattr(printer, "subprinters") and
137                     printer.subprinters is not None):
138                     sorted_subprinters = copy.copy(printer.subprinters)
175     for printer in pretty_printers:
176         if (hasattr(printer, "subprinters")
177             and printer.subprinters is not None):
178             if printer_enabled_p(printer):
179                 for subprinter in printer.subprinters:
182             total += len(printer.subprinters)
184             if printer_enabled_p(printer):
240     for printer in pretty_printers:
241         if (hasattr(printer, "name") and name_re.match(printer.name) or
242             hasattr(printer, "__name__") and name_re.match(printer.__name__)):
243             if (hasattr(printer, "subprinters") and
244                 printer.subprinters is not None):
247                     if printer_enabled_p(printer) != flag:
248                         for subprinter in printer.subprinters:
252                     printer.enabled = flag
255                     # depends on whether the printer's lookup function supports
257                     for subprinter in printer.subprinters:
260                            if (printer_enabled_p(printer) and
265                 # This printer has no subprinters.
266                 # If the user does "disable pretty-printer .* .* foo"
269                 # "foo" subprinter it feels like we should skip this printer.
271                 # "disable pretty-printer .* .* .*", and every other variation
273                 # "disable pretty-printer .* .*" (i.e. subname is elided)
277                     if printer_enabled_p(printer) != flag:
279                     printer.enabled = flag
304     print "%d %s %s" % (total, pluralize("printer", total), state)
314 # This is intended for use when a broken pretty-printer is shipped/installed
315 # and the user wants to disable that printer without disabling all the other
318 # A useful addition would be -v (verbose) to show each printer affected.
321     """GDB command to enable the specified pretty-printer.
323     Usage: enable pretty-printer [object-regexp [name-regexp]]
329     NAME-REGEXP matches the name of the pretty-printer.
331     printer-name;subprinter-name.
335         super(EnablePrettyPrinter, self).__init__("enable pretty-printer",
344     """GDB command to disable the specified pretty-printer.
346     Usage: disable pretty-printer [object-regexp [name-regexp]]
352     NAME-REGEXP matches the name of the pretty-printer.
354     printer-name;subprinter-name.
358         super(DisablePrettyPrinter, self).__init__("disable pretty-printer",
367     """Call from a top level script to install the pretty-printer commands."""