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Feature/packed struct #148

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Merged
merged 1 commit into from
Mar 30, 2022
Merged

Feature/packed struct #148

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12 changes: 8 additions & 4 deletions src/type_.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -115,16 +115,18 @@ impl<'gcc, 'tcx> BaseTypeMethods<'tcx> for CodegenCx<'gcc, 'tcx> {
self.context.new_function_pointer_type(None, return_type, params, false)
}

fn type_struct(&self, fields: &[Type<'gcc>], _packed: bool) -> Type<'gcc> {
fn type_struct(&self, fields: &[Type<'gcc>], packed: bool) -> Type<'gcc> {
let types = fields.to_vec();
if let Some(typ) = self.struct_types.borrow().get(fields) {
return typ.clone();
}
let fields: Vec<_> = fields.iter().enumerate()
.map(|(index, field)| self.context.new_field(None, *field, &format!("field{}_TODO", index)))
.collect();
// TODO(antoyo): use packed.
let typ = self.context.new_struct_type(None, "struct", &fields).as_type();
if packed {
typ.set_packed();
}
self.struct_types.borrow_mut().insert(types, typ);
typ
}
Expand Down Expand Up @@ -209,12 +211,14 @@ impl<'gcc, 'tcx> CodegenCx<'gcc, 'tcx> {
self.type_array(self.type_from_integer(unit), size / unit_size)
}

pub fn set_struct_body(&self, typ: Struct<'gcc>, fields: &[Type<'gcc>], _packed: bool) {
// TODO(antoyo): use packed.
pub fn set_struct_body(&self, typ: Struct<'gcc>, fields: &[Type<'gcc>], packed: bool) {
let fields: Vec<_> = fields.iter().enumerate()
.map(|(index, field)| self.context.new_field(None, *field, &format!("field_{}", index)))
.collect();
typ.set_fields(None, &fields);
if packed {
typ.as_type().set_packed();
}
}

pub fn type_named_struct(&self, name: &str) -> Struct<'gcc> {
Expand Down