cleaning up some code
This commit is contained in:
Jakub Doka
parent
e079bbd312
commit
a7718e1220
192
lang/src/son.rs
192
lang/src/son.rs
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@ -2865,56 +2865,20 @@ impl<'a> Codegen<'a> {
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self.implicit_unwrap(pos, &mut vtarget);
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let tty = vtarget.ty;
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if let ty::Kind::Module(m) = tty.expand() {
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return match self
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.find_type(pos, self.ci.file, m, Err(name), self.files)
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.expand()
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{
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match self.tys.base_of(tty).unwrap_or(tty).expand() {
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ty::Kind::Module(m) => {
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match self.find_type(pos, self.ci.file, m, Err(name), self.files).expand() {
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ty::Kind::NEVER => Value::NEVER,
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ty::Kind::Global(global) => self.gen_global(global),
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ty::Kind::Const(cnst) => self.gen_const(cnst, ctx),
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v => Some(Value::new(Nid::MAX).ty(v.compress())),
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};
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}
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if let ty::Kind::Enum(e) = tty.expand() {
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}
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ty::Kind::Enum(e) => {
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let intrnd = self.tys.names.project(name);
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let Some(index) =
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self.tys.enum_fields(e).iter().position(|f| Some(f.name) == intrnd)
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else {
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let field_list = self
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.tys
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.enum_fields(e)
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.iter()
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.map(|f| self.tys.names.ident_str(f.name))
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.intersperse("', '")
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.collect::<String>();
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self.report(
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pos,
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fa!(
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"the '{}' does not have this variant, \
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but it does have '{field_list}'",
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self.ty_display(tty)
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),
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);
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return Value::NEVER;
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};
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return Some(self.ci.nodes.new_const_lit(tty, index as i64));
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self.gen_enum_variant(pos, e, intrnd)
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}
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let ty::Kind::Struct(s) = self.tys.base_of(tty).unwrap_or(tty).expand() else {
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self.report(
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pos,
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fa!(
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"the '{}' is not a struct, or pointer to one, \
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but accessing fields is only possible on structs",
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self.ty_display(tty)
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),
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);
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return Value::NEVER;
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};
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ty::Kind::Struct(s) => {
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let Some((offset, ty)) = OffsetIter::offset_of(self.tys, s, name) else {
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let field_list = self
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.tys
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@ -2936,6 +2900,19 @@ impl<'a> Codegen<'a> {
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Some(Value::ptr(self.offset(vtarget.id, offset)).ty(ty))
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}
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_ => {
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self.report(
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pos,
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fa!(
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"the '{}' is not a struct, or pointer to one, or enum, \
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fo field access does not make sense",
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self.ty_display(tty)
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),
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);
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Value::NEVER
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}
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}
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}
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Expr::UnOp { op: TokenKind::Band, val, pos } => {
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let ctx = Ctx { ty: ctx.ty.and_then(|ty| self.tys.base_of(ty)) };
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@ -2982,28 +2959,7 @@ impl<'a> Codegen<'a> {
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};
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let intrnd = self.tys.names.project(self.file().ident_str(id));
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let Some(index) =
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self.tys.enum_fields(e).iter().position(|f| Some(f.name) == intrnd)
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else {
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let field_list = self
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.tys
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.enum_fields(e)
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.iter()
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.map(|f| self.tys.names.ident_str(f.name))
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.intersperse("', '")
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.collect::<String>();
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self.report(
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pos,
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fa!(
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"the '{}' does not have this variant, \
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but it does have '{field_list}'",
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self.ty_display(ty)
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),
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);
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return Value::NEVER;
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};
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Some(self.ci.nodes.new_const_lit(ty, index as i64))
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self.gen_enum_variant(pos, e, intrnd)
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}
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Expr::UnOp { pos, op: op @ TokenKind::Sub, val } => {
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let val =
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@ -3917,7 +3873,7 @@ impl<'a> Codegen<'a> {
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);
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let lcntrl = self.expr(then).map_or(Nid::MAX, |_| self.ci.ctrl.get());
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let mut then_scope = mem::replace(&mut self.ci.scope, else_scope);
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let then_scope = mem::replace(&mut self.ci.scope, else_scope);
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self.ci.ctrl.set(
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self.ci.nodes.new_node(ty::Id::VOID, Kind::Else, [if_node], self.tys),
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&mut self.ci.nodes,
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@ -3928,34 +3884,7 @@ impl<'a> Codegen<'a> {
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self.ci.ctrl.get()
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};
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if lcntrl == Nid::MAX && rcntrl == Nid::MAX {
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then_scope.clear(&mut self.ci.nodes);
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return None;
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} else if lcntrl == Nid::MAX {
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then_scope.clear(&mut self.ci.nodes);
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return Some(Value::VOID);
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} else if rcntrl == Nid::MAX {
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self.ci.scope.clear(&mut self.ci.nodes);
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self.ci.scope = then_scope;
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self.ci.ctrl.set(lcntrl, &mut self.ci.nodes);
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return Some(Value::VOID);
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}
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self.ci.ctrl.set(
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self.ci.nodes.new_node(ty::Id::VOID, Kind::Region, [lcntrl, rcntrl], self.tys),
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&mut self.ci.nodes,
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);
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self.ci.nodes.merge_scopes(
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&mut self.ci.loops,
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&self.ci.ctrl,
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&mut self.ci.scope,
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&mut then_scope,
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self.tys,
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);
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then_scope.clear(&mut self.ci.nodes);
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Some(Value::VOID)
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self.close_if(lcntrl, rcntrl, then_scope)
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}
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Expr::Match { pos, value, branches } => {
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let value = self.expr(value)?;
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@ -3973,16 +3902,25 @@ impl<'a> Codegen<'a> {
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let mut covered_values = vec![Pos::MAX; self.tys.enum_field_range(e).len()];
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let mut scopes = vec![];
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let mut else_branch = None;
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let mut else_branch = None::<Expr>;
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for &MatchBranch { pat, pos: bp, body } in branches {
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if let Expr::Wildcard { .. } = pat {
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if let Some(prev) = else_branch {
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self.report(bp, "duplicate branch");
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self.report(prev.pos(), "...first branch declared here");
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}
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else_branch = Some(body);
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continue;
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}
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let pat_val = self.eval_const(self.ci.file, &pat, value.ty);
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if covered_values[pat_val as usize] != Pos::MAX {
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self.report(bp, "duplicate branch");
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self.report(covered_values[pat_val as usize], "first branch declared here");
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self.report(
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covered_values[pat_val as usize],
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"...first branch declared here",
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);
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continue;
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}
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covered_values[pat_val as usize] = bp;
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@ -4036,7 +3974,28 @@ impl<'a> Codegen<'a> {
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self.ci.ctrl.get()
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};
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for (lcntrl, mut then_scope) in scopes.into_iter().rev() {
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for (lcntrl, then_scope) in scopes.into_iter().rev() {
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if let Some(v) = self.close_if(lcntrl, rcntrl, then_scope)
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&& v.id != VOID
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{
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rcntrl = v.id;
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}
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}
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if rcntrl == Nid::MAX {
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return None;
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}
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Some(Value::VOID)
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}
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ref e => {
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self.report_unhandled_ast(e, "bruh");
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Value::NEVER
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}
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}
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}
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fn close_if(&mut self, lcntrl: Nid, rcntrl: Nid, mut then_scope: Scope) -> Option<Value> {
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if lcntrl == Nid::MAX && rcntrl == Nid::MAX {
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then_scope.clear(&mut self.ci.nodes);
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return None;
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@ -4050,13 +4009,10 @@ impl<'a> Codegen<'a> {
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return Some(Value::VOID);
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}
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rcntrl = self.ci.nodes.new_node(
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ty::Id::VOID,
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Kind::Region,
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[lcntrl, rcntrl],
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self.tys,
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self.ci.ctrl.set(
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self.ci.nodes.new_node(ty::Id::VOID, Kind::Region, [lcntrl, rcntrl], self.tys),
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&mut self.ci.nodes,
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);
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self.ci.ctrl.set(rcntrl, &mut self.ci.nodes);
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self.ci.nodes.merge_scopes(
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&mut self.ci.loops,
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@ -4066,15 +4022,31 @@ impl<'a> Codegen<'a> {
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self.tys,
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);
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then_scope.clear(&mut self.ci.nodes);
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Some(Value::new(self.ci.ctrl.get()).ty(ty::Id::VOID))
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}
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Some(Value::VOID)
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}
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ref e => {
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self.report_unhandled_ast(e, "bruh");
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Value::NEVER
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}
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}
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fn gen_enum_variant(&mut self, pos: Pos, e: ty::Enum, intrnd: Option<Ident>) -> Option<Value> {
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let Some(index) = self.tys.enum_fields(e).iter().position(|f| Some(f.name) == intrnd)
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else {
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let field_list = self
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.tys
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.enum_fields(e)
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.iter()
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.map(|f| self.tys.names.ident_str(f.name))
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.intersperse("', '")
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.collect::<String>();
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self.report(
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pos,
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fa!(
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"the '{}' does not have this variant, \
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but it does have '{field_list}'",
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self.ty_display(e.into())
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),
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);
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return Value::NEVER;
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};
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Some(self.ci.nodes.new_const_lit(e.into(), index as i64))
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}
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fn gen_inferred_const(
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