koniifer/holey-bytes
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removing string optimizations

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mlokr 2024-07-07 12:15:48 +02:00
parent cdc8cb35f7
commit 12c7467be2
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GPG key ID: DEA147DDEE644993
2 changed files with 34 additions and 28 deletions
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5
hblang/README.md
View file

@ -421,8 +421,9 @@ main := fn(): int {
y: 2,
},
};
if *(&pixel.point.x + 1) != 2 {
soupan := 1;
if *(&pixel.point.x + soupan) != 2 {
return 0;
}

57
hblang/src/codegen.rs
View file

@ -264,6 +264,10 @@ pub mod ty {
(U8..=UINT).contains(&self.repr())
}
pub fn is_integer(self) -> bool {
(U8..=INT).contains(&self.repr())
}
pub fn strip_pointer(self) -> Self {
match self.expand() {
Kind::Ptr(_) => Kind::Builtin(UINT).compress(),
@ -282,6 +286,7 @@ pub mod ty {
_ if oa == ob => oa,
_ if a.is_signed() && b.is_signed() || a.is_unsigned() && b.is_unsigned() => ob,
_ if a.is_unsigned() && b.is_signed() && a.repr() - U8 < b.repr() - I8 => ob,
_ if oa.is_integer() && ob.is_pointer() => ob,
_ => return None,
})
}
@ -2624,7 +2629,7 @@ impl Codegen {
true
});
self.compress_strings();
//self.compress_strings();
let base = self.output.code.len() as u32;
self.output.code.append(&mut self.string_data);
@ -2634,34 +2639,34 @@ impl Codegen {
}
}
fn compress_strings(&mut self) {
// FIXME: we can go faster
self.output
.strings
.sort_by(|a, b| self.string_data[b.range()].cmp(&self.string_data[a.range()]));
//fn compress_strings(&mut self) {
// // FIXME: we can go faster
// self.output
// .strings
// .sort_by(|a, b| self.string_data[b.range()].cmp(&self.string_data[a.range()]));
let mut cursor = 0;
let mut anchor = 0;
for i in 1..self.output.strings.len() {
let [a, b] = self.output.strings.get_many_mut([anchor, i]).unwrap();
if self.string_data[a.range()].ends_with(&self.string_data[b.range()]) {
b.range.end = a.range.end;
b.range.start = a.range.end - (b.range.end - b.range.start);
} else {
self.string_data.copy_within(a.range(), cursor);
cursor += a.range.len();
anchor = i;
}
}
// let mut cursor = 0;
// let mut anchor = 0;
// for i in 1..self.output.strings.len() {
// let [a, b] = self.output.strings.get_many_mut([anchor, i]).unwrap();
// if self.string_data[a.range()].ends_with(&self.string_data[b.range()]) {
// b.range.end = a.range.end;
// b.range.start = a.range.end - (b.range.end - b.range.start);
// } else {
// self.string_data.copy_within(a.range(), cursor);
// cursor += a.range.len();
// anchor = i;
// }
// }
if !self.output.strings.is_empty() {
let a = &self.output.strings[anchor];
self.string_data.copy_within(a.range(), cursor);
cursor += a.range.len();
}
// if !self.output.strings.is_empty() {
// let a = &self.output.strings[anchor];
// self.string_data.copy_within(a.range(), cursor);
// cursor += a.range.len();
// }
self.string_data.truncate(cursor)
}
// self.string_data.truncate(cursor)
//}
// TODO: sometimes its better to do this in bulk
fn ty(&mut self, expr: &Expr) -> ty::Id {