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Desugar all function definitions

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This commit is contained in:
Joscha 2022-11-22 17:27:06 +01:00
parent 40c28d9496
commit 26dc3c3469
3 changed files with 96 additions and 19 deletions
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66
src/desugar/func_def.rs
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@ -1,5 +1,6 @@
use crate::ast::{
BoundedSeparated, Call, Expr, FuncDef, Ident, Lit, Space, TableConstrElem, TableLitElem, Var,
BoundedSeparated, Call, Expr, FuncDef, Ident, Lit, Space, TableConstrElem, TableDestr,
TableLitElem, Var,
};
use crate::builtin::Builtin;
@ -54,47 +55,74 @@ impl FuncDef {
}
Self::AnonDestr {
s0,
s0: _,
pattern,
s1,
s1: _,
body,
span,
} => todo!(),
} => {
let arg_call = Call::no_arg(Lit::Builtin(Builtin::Arg, span).expr().boxed(), span);
let arg_destr = TableDestr::new(true, pattern, arg_call.expr().boxed(), span);
let body = BoundedSeparated::new(span)
.then(TableLitElem::Positional(arg_destr.expr().boxed()))
.then(TableLitElem::Positional(body))
.table_lit();
let new = Self::AnonNoArg {
s0: Space::empty(span),
s1: Space::empty(span),
s2: Space::empty(span),
body: body.lit().expr().boxed(),
span,
};
(new.expr(), true)
}
Self::NamedNoArg {
local,
s0,
s0: _,
name,
s1,
s2,
s3,
s1: _,
s2: _,
s3: _,
body,
span,
} => todo!(),
} => {
let anon = Self::anon_no_arg(body, span);
let new = Var::assign_ident(local.is_some(), name, anon.expr().boxed(), span);
(new.expr(), true)
}
Self::NamedArg {
local,
s0,
s0: _,
name,
s1,
s2,
s1: _,
s2: _,
arg,
s3,
s4,
s3: _,
s4: _,
body,
span,
} => todo!(),
} => {
let anon = Self::anon_arg(arg, body, span);
let new = Var::assign_ident(local.is_some(), name, anon.expr().boxed(), span);
(new.expr(), true)
}
Self::NamedDestr {
local,
s0,
s0: _,
name,
s1,
s1: _,
pattern,
s2,
s2: _,
body,
span,
} => todo!(),
} => {
let anon = Self::anon_destr(pattern, body, span);
let new = Var::assign_ident(local.is_some(), name, anon.expr().boxed(), span);
(new.expr(), true)
}
}
}
}