mirror of
https://github.com/pocketpy/pocketpy
synced 2025-10-20 03:20:18 +00:00
52 lines
959 B
Python
52 lines
959 B
Python
import c
|
|
|
|
a = c.malloc(100)
|
|
c.free(a)
|
|
|
|
a = c.malloc(100)
|
|
c.memset(a, 0, 100)
|
|
b = c.malloc(100)
|
|
b = c.memcpy(b, a, 100)
|
|
|
|
bp = c.p_cast(a, c.int_p)
|
|
|
|
assert c.p_value(c.NULL) == 0
|
|
assert c.NULL == c.NULL
|
|
assert c.NULL != a
|
|
|
|
for i in range(10):
|
|
bp[i] = i
|
|
assert bp[i] == i
|
|
(bp+i).write(i)
|
|
assert (bp+i).read() == i
|
|
|
|
i = c.float_(10)
|
|
assert i.sizeof() == 4
|
|
j = i.copy()
|
|
assert i == j
|
|
assert i is not j
|
|
|
|
####################
|
|
|
|
class Vec2(c.struct):
|
|
def __new__(cls, x: float, y: float):
|
|
obj = c.struct.__new__(cls, 8)
|
|
obj.write_float(x, 0)
|
|
obj.write_float(y, 4)
|
|
return obj
|
|
|
|
@property
|
|
def x(self) -> float:
|
|
return self.read_float(0)
|
|
|
|
@property
|
|
def y(self) -> float:
|
|
return self.read_float(4)
|
|
|
|
def __repr__(self) -> str:
|
|
return f"Vec2({self.x}, {self.y})"
|
|
|
|
a = Vec2(1, 2)
|
|
assert isinstance(a, c.struct)
|
|
assert type(a) is Vec2
|
|
assert repr(a) == "Vec2(1.0, 2.0)" |