40 lines
1.2 KiB
Python
40 lines
1.2 KiB
Python
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# pretty printing for stage1
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# put "source /path/to/zig-gdb.py" in ~/.gdbinit to load it automatically
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import gdb.printing
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class ZigListPrinter:
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def __init__(self, val):
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self.val = val
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def to_string(self):
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return '%s of length %d, capacity %d' % (self.val.type.name, int(self.val['length']), int(self.val['capacity']))
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def children(self):
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def it(ziglist):
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for i in range(int(ziglist.val['length'])):
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item = ziglist.val['items'] + i
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yield ('[%d]' % i, item.dereference())
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return it(self)
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def display_hint(self):
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return 'array'
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# handle both Buf and ZigList<char> because Buf* doesn't work otherwise (gdb bug?)
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class BufPrinter:
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def __init__(self, val):
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self.val = val['list'] if val.type.name == 'Buf' else val
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def to_string(self):
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return self.val['items'].string(length=int(self.val['length']))
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def display_hint(self):
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return 'string'
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pp = gdb.printing.RegexpCollectionPrettyPrinter('zig')
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pp.add_printer('Buf', '^Buf$', BufPrinter)
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pp.add_printer('ZigList<char>', '^ZigList<char>$', BufPrinter)
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pp.add_printer('ZigList', '^ZigList<.*>$', ZigListPrinter)
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gdb.printing.register_pretty_printer(gdb.current_objfile(), pp)
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