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merge into: teascade:main
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teascade:main
teascade:generics
teascade:lsp
teascade:macros
teascade:lexical-scopes
teascade:borrow-somewhat
teascade:old-main
teascade:1.0.0
teascade:1.0.0-beta.4
teascade:1.0.0-beta.3
teascade:1.0.0-beta.2
teascade:1.0.0-beta.1
teascade:1.0.0-alpha
...
pull from: teascade:borrow-somewhat
Branches Tags
teascade:main
teascade:generics
teascade:lsp
teascade:macros
teascade:lexical-scopes
teascade:borrow-somewhat
teascade:old-main
teascade:1.0.0
teascade:1.0.0-beta.4
teascade:1.0.0-beta.3
teascade:1.0.0-beta.2
teascade:1.0.0-beta.1
teascade:1.0.0-alpha

1 Commits
main ... borrow-som

Author SHA1 Message Date
sofia
7b11951209 Get borrow to work, somewhat 2025-07-21 00:53:30 +03:00
2 changed files with 93 additions and 48 deletions
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139
reid/src/codegen.rs
View File

@ -18,7 +18,7 @@ use crate::{
error_raporting::ModuleMap,
lexer::{FullToken, Position},
mir::{
self, Metadata, NamedVariableRef, StructField, StructType, TypeDefinition,
self, ExprKind, Metadata, NamedVariableRef, StructField, StructType, TypeDefinition,
TypeDefinitionKind, TypeKind, VagueLiteral,
},
};
@ -479,33 +479,37 @@ impl mir::Statement {
mir::StmtKind::Let(NamedVariableRef(ty, name, _), mutable, expression) => {
let value = expression.codegen(scope, &state).unwrap();
let alloca = scope
.block
.build(
name,
Instr::Alloca(ty.get_type(scope.type_values, scope.types)),
)
.unwrap()
.maybe_location(&mut scope.block, location);
let stack_value = if let mir::Expression(ExprKind::Borrow(_), _) = expression {
value
} else {
let alloca = scope
.block
.build(
name,
Instr::Alloca(ty.get_type(scope.type_values, scope.types)),
)
.unwrap()
.maybe_location(&mut scope.block, location);
let store = scope
.block
.build(
format!("{}.store", name),
Instr::Store(alloca, value.instr()),
)
.unwrap()
.maybe_location(&mut scope.block, location);
scope
.block
.build(
format!("{}.store", name),
Instr::Store(alloca, value.instr()),
)
.unwrap()
.maybe_location(&mut scope.block, location);
let stack_value = match mutable {
true => StackValueKind::Mutable(alloca),
false => StackValueKind::Immutable(alloca),
StackValue(
match mutable {
true => StackValueKind::Mutable(alloca),
false => StackValueKind::Immutable(alloca),
},
TypeKind::Ptr(Box::new(value.clone().1)),
)
};
scope.stack_values.insert(
name.clone(),
StackValue(stack_value, TypeKind::Ptr(Box::new(value.clone().1))),
);
scope.stack_values.insert(name.clone(), stack_value.clone());
if let Some(debug) = &scope.debug {
let location = self.1.into_debug(scope.tokens).unwrap();
let var = debug.info.metadata(
@ -518,15 +522,15 @@ impl mir::Statement {
flags: DwarfFlags,
}),
);
store.add_record(
&mut scope.block,
InstructionDebugRecordData {
variable: var,
location,
kind: DebugRecordKind::Declare(value.instr()),
scope: debug.scope,
},
);
// value.instr().add_record(
// &mut scope.block,
// InstructionDebugRecordData {
// variable: var,
// location,
// kind: DebugRecordKind::Declare(value.instr()),
// scope: debug.scope,
// },
// );
}
None
}
@ -934,8 +938,47 @@ impl mir::Expression {
TypeKind::CustomType(name.clone()),
))
}
mir::ExprKind::Borrow(named_variable_ref) => todo!(),
mir::ExprKind::Deref(named_variable_ref) => todo!(),
mir::ExprKind::Borrow(varref) => {
varref.0.known().expect("variable type unknown");
let v = scope
.stack_values
.get(&varref.1)
.expect("Variable reference not found?!");
Some(v.clone())
}
mir::ExprKind::Deref(varref) => {
varref.0.known().expect("variable type unknown");
let v = scope
.stack_values
.get(&varref.1)
.expect("Variable reference not found?!");
Some({
if state.should_load {
if let TypeKind::Ptr(inner) = &v.1 {
StackValue(
v.0.derive(
scope
.block
.build(
format!("{}.load2", varref.1),
Instr::Load(
v.instr(),
inner.get_type(scope.type_values, scope.types),
),
)
.unwrap(),
),
*inner.clone(),
)
} else {
panic!("Variable was not a pointer?!?")
}
} else {
v.clone()
}
})
}
};
if let Some(value) = &value {
value.instr().maybe_location(&mut scope.block, location);
@ -1159,18 +1202,20 @@ impl TypeKind {
),
size_bits: self.size_of(),
}),
TypeKind::Ptr(inner) => DebugTypeData::Pointer(DebugPointerType {
name,
pointee: inner.get_debug_type_hard(
scope,
debug_info,
debug_types,
type_values,
types,
tokens,
),
size_bits: self.size_of(),
}),
TypeKind::Ptr(inner) | TypeKind::Borrow(inner) => {
DebugTypeData::Pointer(DebugPointerType {
name,
pointee: inner.get_debug_type_hard(
scope,
debug_info,
debug_types,
type_values,
types,
tokens,
),
size_bits: self.size_of(),
})
}
TypeKind::Array(elem_ty, len) => {
let elem_ty = elem_ty.clone().get_debug_type_hard(
scope,

2
reid_src/borrow.reid
View File

@ -7,5 +7,5 @@ fn main() -> u32 {
let mut borrow = &value;
*borrow = 17;
return *borrow;
return value;
}