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broken AF but profiling could perhaps work like mayb eidk

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This commit is contained in:
nora 2022-04-12 22:28:41 +02:00
parent cec7204c6d
commit 799b1591e0
9 changed files with 168 additions and 703 deletions
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15
rust2/src/opts.rs
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@ -1,13 +1,13 @@
use crate::parse::{Instr, Span};
use bumpalo::Bump;
#[derive(Debug)]
#[derive(Debug, Clone)]
pub struct Ir<'ir> {
pub stmts: Vec<Stmt<'ir>, &'ir Bump>,
pub spans: Vec<Span, &'ir Bump>,
}
#[derive(Debug)]
#[derive(Debug, Clone)]
pub enum Stmt<'ir> {
Add(u8),
Sub(u8),
@ -36,16 +36,19 @@ fn ast_to_ir<'ir>(alloc: &'ir Bump, ast: &[(Instr<'_>, Span)]) -> Ir<'ir> {
};
let mut last = &first.0;
let mut last_span = first.1;
let mut start_span = first.1;
let mut count = 1;
let mut end_span = start_span;
for (next, next_span) in instr_iter {
match last {
Instr::Add | Instr::Sub | Instr::Right | Instr::Left if last == next => {
count += 1;
end_span = *next_span;
continue;
}
_ => {
end_span = *next_span;
let new_last = match last {
Instr::Add => Stmt::Add(count),
Instr::Sub => Stmt::Sub(count),
@ -56,9 +59,9 @@ fn ast_to_ir<'ir>(alloc: &'ir Bump, ast: &[(Instr<'_>, Span)]) -> Ir<'ir> {
Instr::Loop(body) => Stmt::Loop(ast_to_ir(alloc, body)),
};
stmts.push(new_last);
spans.push(last_span.until(*next_span));
spans.push(start_span.until(end_span));
last = next;
last_span = *next_span;
start_span = *next_span;
count = 1;
}
}
@ -74,7 +77,7 @@ fn ast_to_ir<'ir>(alloc: &'ir Bump, ast: &[(Instr<'_>, Span)]) -> Ir<'ir> {
Instr::Loop(body) => Stmt::Loop(ast_to_ir(alloc, &body)),
};
stmts.push(new_last);
spans.push(last_span);
spans.push(start_span.until(end_span));
Ir { stmts, spans }
}