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type checking !?!?

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shadow cat
2025-03-22 14:40:32 -04:00
parent 606cb30c6b
commit 7f809d797c
44 changed files with 664 additions and 314 deletions
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48
src/parser/v3/lower/expr.rs
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@@ -1,31 +1,48 @@
use super::{func::FnLowerCtx, FnLowerable, PExpr, UnaryOp};
use crate::ir::{IRUInstruction, Size, Type, VarID};
use crate::ir::{DataDef, IRUInstruction, Origin, Type, VarInst};
impl FnLowerable for PExpr {
type Output = VarID;
fn lower(&self, ctx: &mut FnLowerCtx) -> Option<VarID> {
type Output = VarInst;
fn lower(&self, ctx: &mut FnLowerCtx) -> Option<VarInst> {
Some(match self {
PExpr::Lit(l) => match l.as_ref()? {
super::PLiteral::String(s) => {
let dest = ctx.map.temp_var(l.span, Type::Bits(8).slice());
let data = s.as_bytes().to_vec();
let len = data.len() as Size;
let src = ctx.map.def_data(data);
ctx.push(IRUInstruction::LoadSlice { dest, src, len });
let src = ctx.map.def_data(
DataDef {
ty: Type::Bits(8).arr(data.len() as u32),
origin: Origin::File(l.span),
},
data,
);
ctx.push(IRUInstruction::LoadSlice { dest, src });
dest
}
super::PLiteral::Char(c) => {
let dest = ctx.map.temp_var(l.span, Type::Bits(8).slice());
let src = ctx.map.def_data(c.to_string().as_bytes().to_vec());
let ty = Type::Bits(8);
let dest = ctx.map.temp_var(l.span, ty.clone());
let src = ctx.map.def_data(
DataDef {
ty,
origin: Origin::File(l.span),
},
c.to_string().as_bytes().to_vec(),
);
ctx.push(IRUInstruction::LoadData { dest, src });
dest
}
super::PLiteral::Number(n) => {
// TODO: temp
let ty = Type::Bits(64);
let dest = ctx.map.temp_var(l.span, Type::Bits(64));
let src = ctx
.map
.def_data(n.whole.parse::<i64>().unwrap().to_le_bytes().to_vec());
let src = ctx.map.def_data(
DataDef {
ty,
origin: Origin::File(l.span),
},
n.whole.parse::<i64>().unwrap().to_le_bytes().to_vec(),
);
ctx.push(IRUInstruction::LoadData { dest, src });
dest
}
@@ -44,7 +61,7 @@ impl FnLowerable for PExpr {
let res = e.lower(ctx)?;
match op {
UnaryOp::Ref => {
let temp = ctx.temp(ctx.map.get_var(res).ty.clone());
let temp = ctx.temp(ctx.map.get_var(res.id).ty.clone());
ctx.push(IRUInstruction::Ref {
dest: temp,
src: res,
@@ -52,7 +69,7 @@ impl FnLowerable for PExpr {
temp
}
UnaryOp::Deref => {
let t = &ctx.map.get_var(res).ty;
let t = &ctx.map.get_var(res.id).ty;
let Type::Ref(inner) = t else {
ctx.err(format!(
"Cannot dereference type {:?}",
@@ -77,7 +94,7 @@ impl FnLowerable for PExpr {
let arg = arg.lower(ctx)?;
nargs.push(arg);
}
let def = ctx.map.get_fn_var(fe);
let def = ctx.map.get_fn_var(fe.id);
let ty = match def {
Some(def) => def.ret.clone(),
None => {
@@ -85,7 +102,7 @@ impl FnLowerable for PExpr {
e.span,
format!(
"Expected function, found {}",
ctx.map.type_name(&ctx.map.get_var(fe).ty)
ctx.map.type_name(&ctx.map.get_var(fe.id).ty)
),
);
Type::Error
@@ -100,6 +117,7 @@ impl FnLowerable for PExpr {
temp
}
PExpr::Group(e) => e.lower(ctx)?,
PExpr::Construct(c) => todo!(),
})
}
}