1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78

use crate::reflection::{FromValue, ReflectValueType, ToValue, UnsafeFromValue};
use crate::value::{Array, ValuePtr, ValueType, ValueTypeInfo};
use crate::vm::{RawRefGuard, Ref, StackError, Vm};

impl<T> ReflectValueType for Array<T> {
    fn value_type() -> ValueType {
        ValueType::Array
    }

    fn value_type_info() -> ValueTypeInfo {
        ValueTypeInfo::Array
    }
}

impl<'a, T> ReflectValueType for &'a Array<T> {
    fn value_type() -> ValueType {
        ValueType::Array
    }

    fn value_type_info() -> ValueTypeInfo {
        ValueTypeInfo::Array
    }
}

impl<'a, T> ReflectValueType for &'a mut Array<T> {
    fn value_type() -> ValueType {
        ValueType::Array
    }

    fn value_type_info() -> ValueTypeInfo {
        ValueTypeInfo::Array
    }
}

impl<T> FromValue for Array<T>
where
    T: FromValue,
{
    fn from_value(value: ValuePtr, vm: &mut Vm) -> Result<Self, StackError> {
        let slot = value.into_array(vm)?;
        let array = vm.array_take(slot)?;

        let mut output = Array::with_capacity(array.len());

        for value in array {
            output.push(T::from_value(value, vm)?);
        }

        Ok(output)
    }
}

impl<'a> UnsafeFromValue for &'a Array<ValuePtr> {
    type Guard = RawRefGuard;

    unsafe fn unsafe_from_value(
        value: ValuePtr,
        vm: &mut Vm,
    ) -> Result<(Self, Self::Guard), StackError> {
        let slot = value.into_array(vm)?;
        Ok(Ref::unsafe_into_ref(vm.array_ref(slot)?))
    }
}

impl<T> ToValue for Array<T>
where
    T: ToValue,
{
    fn to_value(self, vm: &mut Vm) -> Result<ValuePtr, StackError> {
        let mut array = Array::with_capacity(self.len());

        for value in self {
            array.push(value.to_value(vm)?);
        }

        Ok(vm.array_allocate(array))
    }
}