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Add better coverage for debug types

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This commit is contained in:
Sofia 2025-07-19 14:33:27 +03:00
parent f2c38d42b9
commit 1ad89de682
2 changed files with 100 additions and 17 deletions
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66
reid/src/codegen.rs
View File

@ -83,13 +83,13 @@ pub struct Scope<'ctx, 'a> {
functions: &'a HashMap<String, StackFunction<'ctx>>,
stack_values: HashMap<String, StackValue>,
debug: Option<Debug<'ctx>>,
debug_const_tys: &'a HashMap<TypeKind, DebugTypeValue>,
}
#[derive(Debug, Clone)]
pub struct Debug<'ctx> {
info: &'ctx DebugInformation,
scope: DebugProgramValue,
types: &'ctx HashMap<TypeKind, DebugTypeValue>,
}
pub struct StackFunction<'ctx> {
@ -129,7 +129,6 @@ impl<'ctx, 'a> Scope<'ctx, 'a> {
type_values: self.type_values,
stack_values: self.stack_values.clone(),
debug: self.debug.clone(),
debug_const_tys: self.debug_const_tys,
}
}
@ -146,6 +145,18 @@ impl<'ctx, 'a> Scope<'ctx, 'a> {
}
}
impl<'ctx> Debug<'ctx> {
fn get_type(&self, kind: &TypeKind) -> DebugTypeValue {
if let Some(ty) = self.types.get(kind) {
*ty
} else {
let debug_data = kind.debug_type_data();
let ty = self.info.debug_type(debug_data);
ty
}
}
}
#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Clone, Copy)]
struct State {
should_load: bool,
@ -188,17 +199,24 @@ impl mir::Module {
let mut types = HashMap::new();
let mut type_values = HashMap::new();
let mut debug_const_types = HashMap::new();
let mut debug_types = HashMap::new();
debug_const_types.insert(
TypeKind::U32,
debug.debug_type(DebugTypeData::Basic(DebugBasicType {
name: String::from("u32"),
size_bits: 32,
encoding: DwarfEncoding::Unsigned,
flags: DwarfFlags,
})),
);
{
use TypeKind::*;
debug_types.insert(Bool, Bool.get_debug_type(&debug_types, &debug));
debug_types.insert(U8, U8.get_debug_type(&debug_types, &debug));
debug_types.insert(U16, U16.get_debug_type(&debug_types, &debug));
debug_types.insert(U32, U32.get_debug_type(&debug_types, &debug));
debug_types.insert(U64, U64.get_debug_type(&debug_types, &debug));
debug_types.insert(U128, U128.get_debug_type(&debug_types, &debug));
debug_types.insert(I8, I8.get_debug_type(&debug_types, &debug));
debug_types.insert(I16, I16.get_debug_type(&debug_types, &debug));
debug_types.insert(I32, I32.get_debug_type(&debug_types, &debug));
debug_types.insert(I64, I64.get_debug_type(&debug_types, &debug));
debug_types.insert(I128, I128.get_debug_type(&debug_types, &debug));
debug_types.insert(Void, Void.get_debug_type(&debug_types, &debug));
debug_types.insert(StringPtr, StringPtr.get_debug_type(&debug_types, &debug));
}
for typedef in &self.typedefs {
let type_value = match &typedef.kind {
@ -264,7 +282,9 @@ impl mir::Module {
let debug_scope = if let Some(location) = mir_function.signature().into_debug(tokens) {
// let debug_scope = debug.inner_scope(&outer_scope, location);
let fn_param_ty = debug_const_types.get(&TypeKind::U32).unwrap();
let fn_param_ty = &mir_function
.return_type
.get_debug_type(&debug_types, &debug);
let debug_ty =
debug.debug_type(DebugTypeData::Subprogram(DebugSubprogramTypeData {
@ -318,7 +338,7 @@ impl mir::Module {
name: p_name.clone(),
arg_idx: i as u32,
location,
ty: *debug_const_types.get(&TypeKind::U32).unwrap(),
ty: p_ty.get_debug_type(&debug_types, &debug),
always_preserve: true,
flags: DwarfFlags,
}),
@ -340,9 +360,9 @@ impl mir::Module {
Some(Debug {
info: &debug,
scope,
types: &debug_types,
})
}),
debug_const_tys: &debug_const_types,
};
match &mir_function.kind {
@ -452,7 +472,7 @@ impl mir::Statement {
DebugMetadata::LocalVar(DebugLocalVariable {
name: name.clone(),
location,
ty: scope.debug_const_tys.get(&TypeKind::U32).unwrap().clone(),
ty: debug.get_type(ty),
always_preserve: true,
alignment: 32,
flags: DwarfFlags,
@ -875,6 +895,20 @@ impl TypeKind {
}
}
}
fn get_debug_type(
&self,
types: &HashMap<TypeKind, DebugTypeValue>,
debug: &DebugInformation,
) -> DebugTypeValue {
if let Some(ty) = types.get(self) {
*ty
} else {
let debug_data = self.debug_type_data();
let ty = debug.debug_type(debug_data);
ty
}
}
}
impl Metadata {

51
reid/src/mir/impl.rs
View File

@ -1,4 +1,6 @@
use reid_lib::debug_information::DebugLocation;
use reid_lib::debug_information::{
DebugBasicType, DebugLocation, DebugTypeData, DwarfEncoding, DwarfFlags,
};
use super::{typecheck::ErrorKind, typerefs::TypeRefs, VagueType as Vague, *};
@ -27,6 +29,53 @@ impl TypeKind {
BinaryOperator::Cmp(_) => TypeKind::Bool,
}
}
pub fn size_of(&self) -> u64 {
match self {
TypeKind::Bool => 1,
TypeKind::I8 => 8,
TypeKind::U8 => 8,
TypeKind::I16 => 16,
TypeKind::U16 => 16,
TypeKind::I32 => 32,
TypeKind::U32 => 32,
TypeKind::I64 => 64,
TypeKind::U64 => 64,
TypeKind::I128 => 128,
TypeKind::U128 => 128,
TypeKind::Void => 0,
TypeKind::StringPtr => 32,
TypeKind::Array(type_kind, len) => 32,
TypeKind::Borrow(_) => todo!(),
TypeKind::CustomType(_) => 32,
TypeKind::Vague(_) => panic!("Tried to sizeof a vague type!"),
}
}
pub fn debug_type_data(&self) -> DebugTypeData {
DebugTypeData::Basic(DebugBasicType {
name: format!("{}", self),
size_bits: self.size_of(),
encoding: match self {
TypeKind::Bool => DwarfEncoding::Boolean,
TypeKind::I8 => DwarfEncoding::SignedChar,
TypeKind::U8 => DwarfEncoding::UnsignedChar,
TypeKind::I16 | TypeKind::I32 | TypeKind::I64 | TypeKind::I128 => {
DwarfEncoding::Signed
}
TypeKind::U16 | TypeKind::U32 | TypeKind::U64 | TypeKind::U128 => {
DwarfEncoding::Unsigned
}
TypeKind::Void => DwarfEncoding::Address,
TypeKind::StringPtr => DwarfEncoding::Address,
TypeKind::Array(_, _) => DwarfEncoding::Address,
TypeKind::Borrow(_) => DwarfEncoding::Address,
TypeKind::CustomType(_) => DwarfEncoding::Address,
TypeKind::Vague(_) => panic!("tried fetching debug-type for vague type!"),
},
flags: DwarfFlags,
})
}
}
impl StructType {