132 lines
2.8 KiB
Python
132 lines
2.8 KiB
Python
import enum
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import gdb.printing
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class Square(object):
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"""
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Python representation of a 'seer::board::square::Square' raw value.
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"""
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FILES = list(map(lambda n: chr(ord("A") + n), range(8)))
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RANKS = list(map(lambda n: str(n + 1), range(8)))
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def __init__(self, val):
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self._val = val
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def __str__(self):
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return self.FILES[self.file] + self.RANKS[self.rank]
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@property
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def rank(self):
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return int(self._val) % 8
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@property
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def file(self):
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return int(self._val) // 8
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class Bitboard(object):
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"""
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Python representation of a 'seer::board::bitboard::Bitboard' raw value.
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"""
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def __init__(self, val):
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self._val = val
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def __str__(self):
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return "[" + ", ".join(map(str, self.squares)) + "]"
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@property
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def squares(self):
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n = self._val
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while n:
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b = n & (~n + 1)
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yield Square(b.bit_length() - 1)
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n ^= b
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class Color(enum.IntEnum):
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"""
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Python representation of a 'seer::board::color::Color' raw value.
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"""
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# Should be kept in sync with the enum in `color.rs`
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WHITE = 0
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BLACK = 1
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def __str__(self):
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return self.name.title()
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class File(enum.IntEnum):
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"""
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Python representation of a 'seer::board::file::File' raw value.
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"""
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# Should be kept in sync with the enum in `file.rs`
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A = 0
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B = 1
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C = 2
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D = 3
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E = 4
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F = 5
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G = 6
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H = 7
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def __str__(self):
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return self.name.title()
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class SquarePrinter(object):
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"Print a seer::board::square::Square"
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def __init__(self, val):
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self._val = Square(val)
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def to_string(self):
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return str(self._val)
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class BitboardPrinter(object):
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"Print a seer::board::bitboard::Bitboard"
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def __init__(self, val):
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self._val = Bitboard(int(val["__0"]))
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def to_string(self):
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return "Bitboard{" + str(self._val)[1:-1] + "}"
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class ColorPrinter(object):
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"Print a seer::board::color::Color"
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def __init__(self, val):
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self._val = Color(int(val))
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def to_string(self):
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return str(self._val)
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class FilePrinter(object):
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"Print a seer::board::file::File"
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def __init__(self, val):
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self._val = File(int(val))
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def to_string(self):
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return str(self._val)
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def build_pretty_printer():
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pp = gdb.printing.RegexpCollectionPrettyPrinter('seer')
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pp.add_printer('Square', '^seer::board::square::Square$', SquarePrinter)
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pp.add_printer('Bitboard', '^seer::board::bitboard::Bitboard$', BitboardPrinter)
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pp.add_printer('Color', '^seer::board::color::Color$', ColorPrinter)
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pp.add_printer('File', '^seer::board::file::File$', FilePrinter)
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return pp
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gdb.printing.register_pretty_printer(gdb.current_objfile(), build_pretty_printer(), True)
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