mirror of
https://github.com/pocketpy/pocketpy
synced 2025-10-20 11:30:18 +00:00
59 lines
1.2 KiB
Python
59 lines
1.2 KiB
Python
import c
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c_int = c.refl("int")
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assert c_int.size() == c.sizeof("int")
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array = c.malloc(c.sizeof("int") * 10)
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for i in range(10):
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off = c.sizeof("int") * i
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(array+off).write_int(i)
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x = c_int()
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x.addr().write_int(0)
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for i in range(10):
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off = c.sizeof("int") * i
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i = (array+off).read_int()
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x.addr().write_int(
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x.addr().read_int() + i
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)
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assert x.addr().read_int() == (0+9)*10//2
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c.memset(array, 0, c.sizeof("int") * 10)
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for i in range(10):
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off = c.sizeof("int") * i
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assert (array+off).read_char() == 0
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array2 = c.malloc(c.sizeof("int") * 10)
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c.memcpy(array2, array, c.sizeof("int") * 10)
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for i in range(10):
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off = c.sizeof("int") * i
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assert (array+off).read_char() == 0
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c.free(array)
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c.free(array2)
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class Vec2(c.struct):
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def __new__(cls, x: float, y: float):
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obj = c.struct.__new__(cls, 8)
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obj.write_float(x, 0)
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obj.write_float(y, 4)
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return obj
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@property
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def x(self) -> float:
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return self.read_float(0)
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@property
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def y(self) -> float:
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return self.read_float(4)
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def __repr__(self) -> str:
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return f"Vec2({self.x}, {self.y})"
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a = Vec2(1, 2)
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assert isinstance(a, c.struct)
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assert type(a) is Vec2
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assert repr(a) == "Vec2(1.0, 2.0)"
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