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Fix struct field ordering mattering

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This commit is contained in:
Sofia 2025-07-25 23:36:23 +03:00
parent 4c9633132f
commit bf878c02a7
2 changed files with 14 additions and 9 deletions
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2
examples/struct.reid
View File

@ -7,8 +7,8 @@ struct Test {
fn main() -> u32 {
let mut value = Test {
second: 3,
field: 5,
second: 3,
};

21
reid/src/codegen/mod.rs
View File

@ -16,7 +16,7 @@ use scope::*;
use crate::{
mir::{
self, implement::TypeCategory, pass::ScopeBinopKey, CustomTypeKey, FunctionDefinitionKind, NamedVariableRef,
SourceModuleId, StructField, StructType, TypeDefinitionKind, TypeKind, WhileStatement,
SourceModuleId, StructField, StructType, TypeDefinition, TypeDefinitionKind, TypeKind, WhileStatement,
},
util::try_all,
};
@ -1042,24 +1042,32 @@ impl mir::Expression {
}
mir::ExprKind::Struct(name, items) => {
let type_key = CustomTypeKey(name.clone(), scope.module_id);
let struct_ty = Type::CustomType({
let ty = Type::CustomType({
let Some(a) = scope.type_values.get(&type_key) else {
return Ok(None);
};
*a
});
let TypeDefinition {
kind: TypeDefinitionKind::Struct(struct_ty),
..
} = scope.types.get(scope.type_values.get(&type_key).unwrap()).unwrap();
let indices = struct_ty.0.iter().enumerate();
let load_n = format!("{}.load", name);
let struct_ptr = scope
.block
.build_named(name, Instr::Alloca(struct_ty.clone()))
.build_named(name, Instr::Alloca(ty.clone()))
.unwrap()
.maybe_location(&mut scope.block, location);
for (i, (field_n, exp)) in items.iter().enumerate() {
for (field_n, exp) in items {
let gep_n = format!("{}.{}.gep", name, field_n);
let store_n = format!("{}.{}.store", name, field_n);
let i = indices.clone().find(|(_, f)| f.0 == *field_n).unwrap().0;
let elem_ptr = scope
.block
@ -1075,10 +1083,7 @@ impl mir::Expression {
}
}
let struct_val = scope
.block
.build_named(load_n, Instr::Load(struct_ptr, struct_ty))
.unwrap();
let struct_val = scope.block.build_named(load_n, Instr::Load(struct_ptr, ty)).unwrap();
Some(StackValue(
StackValueKind::Literal(struct_val),