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move towards structure construction / deconstruction

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This commit is contained in:
Adam Wick
2024-04-02 21:00:05 -07:00
parent e1e798ef8e
commit fab5a230f1
7 changed files with 46 additions and 8 deletions
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26
src/backend/into_crane.rs
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@@ -406,8 +406,30 @@ impl<M: Module> Backend<M> {
}
}
Expression::Construct(_, _, _, _) => unimplemented!(),
Expression::FieldRef(_, _, _, _) => unimplemented!(),
Expression::Construct(_, ty, name, fields) => {
let Type::Structure(fields) = ty else {
panic!("Got to backend with non-structure type in structure construction?!");
};
unimplemented!()
}
Expression::FieldRef(_, _, struct_type, val, field) => {
let (structure, _) = self.compile_value_or_ref(val, variables, builder)?;
let Type::Structure(fields) = struct_type else {
panic!("Got to backend with non-structure type in field reference?!");
};
let Some((field_type, offset)) = fields.field_type_and_offset(&field) else {
panic!("Got to backend with invalid field for structure type?!");
};
let field_cranelift_type = self.translate_type(field_type).value_type;
let value = builder.ins().load(field_cranelift_type, MemFlags::new(), structure, offset);
Ok((value, field_cranelift_type))
}
Expression::Block(_, _, mut exprs) => match exprs.pop() {
None => Ok((builder.ins().iconst(types::I64, 0), VOID_REPR_TYPE)),