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Casting, GEPs, partial LLVM backend

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Mia
2026-03-06 15:21:44 +01:00
parent 0b4f169c6f
commit bd0b619127
27 changed files with 1260 additions and 947 deletions
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parser/src/ast.rs
+5 -1
View File
@@ -55,7 +55,8 @@ pub enum Expr {
impl Expr {
pub fn range(&self) -> Range<usize> {
match self {
_ => todo!(),
Self::Ident(e) => e.range(),
_ => todo!("{self:?}"),
}
}
}
@@ -82,12 +83,15 @@ pub enum BinaryOp {
#[debug("{_0}")] Div(Substr),
#[debug("{_0}")] Mod(Substr),
#[debug("{_0}")] Dot(Substr),
#[debug("{_0}")] Eq(Substr),
#[debug("{_0}")] Ne(Substr),
#[debug("{_0}")] Lt(Substr),
#[debug("{_0}")] Gt(Substr),
#[debug("{_0}")] Le(Substr),
#[debug("{_0}")] Ge(Substr),
#[debug("{_0}")] Range(Substr),
#[debug("{_0}")] Assign(Substr),
#[debug("{_0}")] Cast(Substr),
}
#[derive(Debug)]
parser/src/parser.rs
+6 -2
View File
@@ -69,7 +69,9 @@ peg::parser! {
// ### EXPRESSIONS ####
rule expr() -> Expr = precedence! {
lhs:(@) __ op:$("=") __ rhs:@ { Expr::Binary(Box::new(BinaryExpr { lhs, op: BinaryOp::Assign(op), rhs })) }
lhs:(@) __ op:$("as") __ rhs:@ { Expr::Binary(Box::new(BinaryExpr { lhs, op: BinaryOp::Cast(op), rhs })) }
--
lhs:@ __ op:$("=") __ rhs:expr() { Expr::Binary(Box::new(BinaryExpr { lhs, op: BinaryOp::Assign(op), rhs })) }
lhs:(@) __ op:$(".") __ rhs:@ { Expr::Binary(Box::new(BinaryExpr { lhs, op: BinaryOp::Dot(op), rhs })) }
lhs:(@) "(" __ args:(expr() ** ("," __)) __ ")" { Expr::Call { func: Box::new(lhs), args } }
value:(@) "[" __ index:expr() __ "]" { Expr::Index(Box::new(IndexingExpr { value, index })) }
@@ -84,6 +86,8 @@ peg::parser! {
--
lhs:(@) __ op:$("..") __ rhs:@ { Expr::Binary(Box::new(BinaryExpr { lhs, op: BinaryOp::Range(op), rhs })) }
--
lhs:(@) __ op:$("==") __ rhs:@ { Expr::Binary(Box::new(BinaryExpr { lhs, op: BinaryOp::Eq(op), rhs })) }
lhs:(@) __ op:$("!=") __ rhs:@ { Expr::Binary(Box::new(BinaryExpr { lhs, op: BinaryOp::Ne(op), rhs })) }
lhs:(@) __ op:$("<") __ rhs:@ { Expr::Binary(Box::new(BinaryExpr { lhs, op: BinaryOp::Lt(op), rhs })) }
lhs:(@) __ op:$(">") __ rhs:@ { Expr::Binary(Box::new(BinaryExpr { lhs, op: BinaryOp::Gt(op), rhs })) }
lhs:(@) __ op:$("<=") __ rhs:@ { Expr::Binary(Box::new(BinaryExpr { lhs, op: BinaryOp::Le(op), rhs })) }
@@ -96,7 +100,7 @@ peg::parser! {
var_decl:var_decl() { Expr::VarDecl(Box::new(var_decl)) }
const_decl:const_decl() { Expr::ConstDecl(Box::new(const_decl)) }
"(" __ tuple:(expr() **<2,> ("," __)) __ ")" { Expr::Tuple(tuple) }
"[" __ list:(expr() **<0,> ("," __)) __ "]" { Expr::List(list) }
"[" __ list:(expr() ** ("," __)) __ "]" { Expr::List(list) }
"(" __ v:expr() __ ")" { v }
"*" __ m:"mut"? __ v:expr() { Expr::Type(Box::new(Type::Ptr { base:v, mutable: m.is_some() })) }
v:string() { Expr::String(v) }