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Clean up Operation type

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This commit is contained in:
Jeff 2024-11-29 11:55:38 -05:00
parent 77cb82b9fe
commit 8b06af9634
1 changed files with 36 additions and 34 deletions
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70
dust-lang/src/operation.rs
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@ -1,16 +1,10 @@
//! Part of an [Instruction][crate::Instruction], which can be executed by the Dust virtual machine. //! Part of an [Instruction][crate::Instruction] that is encoded as a single byte.
//!
//! !!! Warning !!!
//! The byte values of the operations matter. The seventh and eighth bits must be zero so that the
//! [Instruction][crate::Instruction] type can use them as flags.
use std::fmt::{self, Display, Formatter}; use std::fmt::{self, Display, Formatter};
macro_rules! define_operation { macro_rules! define_operation {
($(($name:ident, $byte:literal, $str:expr, $type:expr)),*) => { ($(($name:ident, $byte:literal, $str:expr)),*) => {
/// Part of an [Instruction][crate::Instruction], which can be executed by the Dust virtual machine.) /// Part of an [Instruction][crate::Instruction] that is encoded as a single byte.
///
/// See the [module-level documentation](index.html) for more information.
#[derive(Clone, Copy, Debug, PartialEq)] #[derive(Clone, Copy, Debug, PartialEq)]
pub enum Operation { pub enum Operation {
$( $(
@ -58,31 +52,39 @@ macro_rules! define_operation {
} }
define_operation! { define_operation! {
(Move, 0b0000_0000, "MOVE", None), (Move, 0, "MOVE"),
(Close, 0b000_0001, "CLOSE", None), (Close, 1, "CLOSE"),
(LoadBoolean, 0b0000_0010, "LOAD_BOOLEAN", None),
(LoadConstant, 0b0000_0011, "LOAD_CONSTANT", None), (LoadBoolean, 2, "LOAD_BOOLEAN"),
(LoadList, 0b0000_0100, "LOAD_LIST", None), (LoadConstant, 3, "LOAD_CONSTANT"),
(LoadSelf, 0b0000_0101, "LOAD_SELF", None), (LoadList, 4, "LOAD_LIST"),
(DefineLocal, 0b0000_0110, "DEFINE_LOCAL", None), (LoadSelf, 5, "LOAD_SELF"),
(GetLocal, 0b0000_0111, "GET_LOCAL", None),
(SetLocal, 0b0000_1000, "SET_LOCAL", None), (DefineLocal, 6, "DEFINE_LOCAL"),
(Add, 0b0000_1001, "ADD", None), (GetLocal, 7, "GET_LOCAL"),
(Subtract, 0b0000_1010, "SUBTRACT", None), (SetLocal, 8, "SET_LOCAL"),
(Multiply, 0b0000_1011, "MULTIPLY", None),
(Divide, 0b0000_1100, "DIVIDE", None), (Add, 9, "ADD"),
(Modulo, 0b0000_1101, "MODULO", None), (Subtract, 10, "SUBTRACT"),
(Test, 0b0000_1110, "TEST", None), (Multiply, 11, "MULTIPLY"),
(TestSet, 0b0000_1111, "TEST_SET", None), (Divide, 12, "DIVIDE"),
(Equal, 0b0001_0000, "EQUAL", None), (Modulo, 13, "MODULO"),
(Less, 0b0001_0001, "LESS", None),
(LessEqual, 0b0001_0010, "LESS_EQUAL", None), (Test, 14, "TEST"),
(Negate, 0b0001_0011, "NEGATE", None), (TestSet, 15, "TEST_SET"),
(Not, 0b0001_0100, "NOT", None),
(Jump, 0b0001_0101, "JUMP", None), (Equal, 16, "EQUAL"),
(Call, 0b0001_0110, "CALL", None), (Less, 17, "LESS"),
(CallNative, 0b0001_0111, "CALL_NATIVE", None), (LessEqual, 18, "LESS_EQUAL"),
(Return, 0b0001_1000, "RETURN", None)
(Negate, 19, "NEGATE"),
(Not, 20, "NOT"),
(Call, 21, "CALL"),
(CallNative, 22, "CALL_NATIVE"),
(Jump, 23, "JUMP"),
(Return, 24, "RETURN")
} }
impl Operation { impl Operation {