about summary refs log tree commit diff
path: root/tvix/eval/src/opcode.rs
blob: 6800e8411f5c26fbfe8644d65f68fbc92c3831dc (plain) (blame)
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
//! This module implements the instruction set running on the abstract
//! machine implemented by tvix.

#[derive(Clone, Copy, Debug)]
pub struct ConstantIdx(pub usize);

#[derive(Clone, Copy, Debug)]
pub struct CodeIdx(pub usize);

#[derive(Clone, Copy, Debug)]
pub enum OpCode {
    // Push a constant onto the stack.
    OpConstant(ConstantIdx),

    // Push a literal value.
    OpNull,
    OpTrue,
    OpFalse,

    // Unary operators
    OpInvert,
    OpNegate,

    // Arithmetic binary operators
    OpAdd,
    OpSub,
    OpMul,
    OpDiv,

    // Logical binary operators
    OpEqual,
    OpLess,
    OpLessOrEq,
    OpMore,
    OpMoreOrEq,

    // Attribute sets
    OpAttrs(usize),
    OpAttrPath(usize),
    OpAttrsUpdate,

    // Lists
    OpList(usize),

    // Strings
    OpInterpolate(usize),
}