53 lines
1.3 KiB
Python
53 lines
1.3 KiB
Python
import gdb
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import gdb.printing
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class LeanNamePrinter:
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"""Print a lean::name object."""
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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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def rec(imp):
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s = repr(imp['m_str'].string()) if imp['m_is_string'] else str(imp['m_k'])
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if imp['m_prefix']:
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return "%s.%s" % (rec(imp['m_prefix'].dereference()), s)
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else:
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return s
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if not self.val['m_ptr']:
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return "lean::name()"
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else:
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return 'lean::name(%s)' % rec(self.val['m_ptr'].dereference())
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class LeanListPrinter:
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"""Print a lean::list object."""
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def __init__(self, val):
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self.val = val
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def children(self):
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l = self.val
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i = 0
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while l['m_ptr']:
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cell = l['m_ptr'].dereference()
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yield ('[%s]' % i, cell['m_head'])
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l = cell['m_tail']
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i += 1
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def to_string(self):
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return str(self.val.type)
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def display_hint(self):
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return 'array'
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def build_pretty_printer():
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pp = gdb.printing.RegexpCollectionPrettyPrinter("lean")
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pp.add_printer('name', '^lean::name$', LeanNamePrinter)
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pp.add_printer('list', '^lean::list', LeanListPrinter)
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return pp
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gdb.printing.register_pretty_printer(
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gdb.current_objfile(),
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build_pretty_printer(),
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replace=True)
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