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#![allow(dead_code)]
#![warn(
clippy::wildcard_imports,
clippy::string_add,
clippy::string_add_assign,
clippy::manual_ok_or,
unused_lifetimes
)]
pub mod native;
pub mod obj;
pub mod vm;
pub use crate::vm::VM;
pub struct Chunk {
constants: Vec<Data>,
code: Vec<u8>,
}
pub struct Function {
chunk: Chunk,
}
#[derive(Debug, Clone, Copy, PartialEq)]
pub enum Data {
Integer(i128),
Float(f64),
Bool(bool),
Empty,
}
const STACK_SIZE: usize = 1024;
#[derive(Debug)]
pub struct Stack {
pointer: usize,
stack: [Data; STACK_SIZE],
}
impl Default for Stack {
fn default() -> Self {
Self {
pointer: Default::default(),
stack: [Data::Empty; STACK_SIZE],
}
}
}
impl Stack {
#[inline(always)]
pub fn push(&mut self, value: Data) {
if self.pointer >= STACK_SIZE {
panic!("Stack overflow");
}
self.stack[self.pointer] = value;
self.pointer += 1;
}
#[inline(always)]
pub fn pop(&mut self) -> Data {
if self.pointer == 0 {
panic!("Stack underflow");
}
self.pointer -= 1;
self.stack[self.pointer]
}
#[inline(always)]
pub fn pop2(&mut self) -> (Data, Data) {
(self.pop(), self.pop())
}
}
pub struct ObjectMap {}
|
