holey-bytes/hblang/src/codegen.rs

41 lines
578 B
Rust

use crate::parser::Type;
struct RegAlloc {
pub regs: Box<[Option<usize>; 256]>,
}
struct Variable {
name: String,
location: usize,
}
enum Symbol {
Type(String, Type),
Func(String, Vec<Type>, Type),
}
struct Slot {
ty: Type,
value: Value,
}
enum Value {
Reg(u8),
Stack(i32),
Imm(u64),
}
type Label = usize;
pub struct Generator {
regs: RegAlloc,
symbols: Vec<Symbol>,
variables: Vec<Variable>,
slots: Vec<Slot>,
relocations: Vec<(Label, usize)>,
}
impl Generator {
pub fn gen();
}