Noratrieb/brainfuck
1
0
Fork 0
mirror of https://github.com/Noratrieb/brainfuck.git synced 2026-01-15 05:45:02 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

fix profiling (still not entirely good)

Browse source
This commit is contained in:
nora 2022-04-15 22:06:54 +02:00
parent 9d140c45d7
commit 6575e09957
5 changed files with 58 additions and 26 deletions
Download patch file Download diff file Expand all files Collapse all files

15
rust2/src/codegen_interpreter.rs
View file

@ -7,19 +7,21 @@ const MEM_SIZE: usize = 32_000;
type Memory = [Wrapping<u8>; MEM_SIZE];
// TODO maybe repr(C) to prevent field reordering?
struct Interpreter<'c, W, R> {
struct Interpreter<'c, W, R, P> {
code: &'c Code<'c>,
ip: usize,
ptr: usize,
stdout: W,
stdin: R,
mem: Memory,
profile_collector: P,
}
pub fn run<W, R>(code: &Code<'_>, stdout: W, stdin: R)
pub fn run<W, R, P>(code: &Code<'_>, stdout: W, stdin: R, profile_collector: P)
where
W: Write,
R: Read,
P: FnMut(usize),
{
let mut interpreter = Interpreter {
code,
@ -28,6 +30,7 @@ where
stdout,
stdin,
mem: [Wrapping(0u8); MEM_SIZE],
profile_collector,
};
// SAFETY: `Code` can only be produced by the `crate::codegen` module, which is trusted to not
@ -37,7 +40,10 @@ where
}
}
impl<'c, W: Write, R: Read> Interpreter<'c, W, R> {
impl<'c, W: Write, R: Read, P> Interpreter<'c, W, R, P>
where
P: FnMut(usize),
{
unsafe fn execute(&mut self) {
let stmts = self.code.stmts();
loop {
@ -93,6 +99,9 @@ impl<'c, W: Write, R: Read> Interpreter<'c, W, R> {
}
Stmt::End => break,
}
// this should be a no-op if `profile_collector` is does nothing
(self.profile_collector)(self.ip);
}
}
fn elem_mut(&mut self) -> &mut Wrapping<u8> {