nac3/nac3core/src/codegen/test.rs

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use crate::{
codegen::{
concrete_type::ConcreteTypeStore, CodeGenContext, CodeGenTask, DefaultCodeGenerator,
WithCall, WorkerRegistry,
},
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location::Location,
symbol_resolver::SymbolResolver,
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toplevel::{
composer::TopLevelComposer, DefinitionId, FunInstance, TopLevelContext, TopLevelDef,
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},
typecheck::{
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type_inferencer::{FunctionData, Inferencer, PrimitiveStore},
typedef::{FunSignature, FuncArg, Type, TypeEnum, Unifier},
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},
};
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use indoc::indoc;
use inkwell::values::BasicValueEnum;
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use parking_lot::RwLock;
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use nac3parser::{
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ast::{fold::Fold, StrRef},
parser::parse_program,
};
use std::cell::RefCell;
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use std::collections::{HashMap, HashSet};
use std::sync::Arc;
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struct Resolver {
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id_to_type: HashMap<StrRef, Type>,
id_to_def: RwLock<HashMap<StrRef, DefinitionId>>,
class_names: HashMap<StrRef, Type>,
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}
impl Resolver {
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pub fn add_id_def(&self, id: StrRef, def: DefinitionId) {
self.id_to_def.write().insert(id, def);
}
}
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impl SymbolResolver for Resolver {
fn get_symbol_type(
&self,
_: &mut Unifier,
_: &[Arc<RwLock<TopLevelDef>>],
_: &PrimitiveStore,
str: StrRef,
) -> Option<Type> {
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self.id_to_type.get(&str).cloned()
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}
fn get_symbol_value<'ctx, 'a>(
&self,
_: StrRef,
_: &mut CodeGenContext<'ctx, 'a>,
) -> Option<BasicValueEnum<'ctx>> {
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unimplemented!()
}
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fn get_symbol_location(&self, _: StrRef) -> Option<Location> {
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unimplemented!()
}
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fn get_identifier_def(&self, id: StrRef) -> Option<DefinitionId> {
self.id_to_def.read().get(&id).cloned()
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}
}
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#[test]
fn test_primitives() {
let source = indoc! { "
c = a + b
d = a if c == 1 else 0
return d
"};
let statements = parse_program(source).unwrap();
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let composer: TopLevelComposer = Default::default();
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let mut unifier = composer.unifier.clone();
let primitives = composer.primitives_ty;
let top_level = Arc::new(composer.make_top_level_context());
unifier.top_level = Some(top_level.clone());
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let resolver = Arc::new(Resolver {
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id_to_type: HashMap::new(),
id_to_def: RwLock::new(HashMap::new()),
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class_names: Default::default(),
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}) as Arc<dyn SymbolResolver + Send + Sync>;
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let threads = vec![DefaultCodeGenerator::new("test".into()).into()];
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let signature = FunSignature {
args: vec![
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FuncArg { name: "a".into(), ty: primitives.int32, default_value: None },
FuncArg { name: "b".into(), ty: primitives.int32, default_value: None },
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],
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ret: primitives.int32,
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vars: HashMap::new(),
};
let mut store = ConcreteTypeStore::new();
let mut cache = HashMap::new();
let signature = store.from_signature(&mut unifier, &primitives, &signature, &mut cache);
let signature = store.add_cty(signature);
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let mut function_data = FunctionData {
resolver: resolver.clone(),
bound_variables: Vec::new(),
return_type: Some(primitives.int32),
};
let mut virtual_checks = Vec::new();
let mut calls = HashMap::new();
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let mut identifiers: HashSet<_> = ["a".into(), "b".into()].iter().cloned().collect();
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let mut inferencer = Inferencer {
top_level: &top_level,
function_data: &mut function_data,
unifier: &mut unifier,
variable_mapping: Default::default(),
primitives: &primitives,
virtual_checks: &mut virtual_checks,
calls: &mut calls,
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defined_identifiers: identifiers.clone(),
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};
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inferencer.variable_mapping.insert("a".into(), inferencer.primitives.int32);
inferencer.variable_mapping.insert("b".into(), inferencer.primitives.int32);
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let statements = statements
.into_iter()
.map(|v| inferencer.fold_stmt(v))
.collect::<Result<Vec<_>, _>>()
.unwrap();
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inferencer.check_block(&statements, &mut identifiers).unwrap();
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let top_level = Arc::new(TopLevelContext {
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definitions: Arc::new(RwLock::new(std::mem::take(&mut *top_level.definitions.write()))),
unifiers: Arc::new(RwLock::new(vec![(unifier.get_shared_unifier(), primitives)])),
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personality_symbol: None,
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});
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let task = CodeGenTask {
subst: Default::default(),
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symbol_name: "testing".into(),
body: Arc::new(statements),
unifier_index: 0,
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calls: Arc::new(calls),
resolver,
store,
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signature,
};
let f = Arc::new(WithCall::new(Box::new(|module| {
// the following IR is equivalent to
// ```
// ; ModuleID = 'test.ll'
// source_filename = "test"
//
// ; Function Attrs: norecurse nounwind readnone
// define i32 @testing(i32 %0, i32 %1) local_unnamed_addr #0 {
// init:
// %add = add i32 %1, %0
// %cmp = icmp eq i32 %add, 1
// %ifexpr = select i1 %cmp, i32 %0, i32 0
// ret i32 %ifexpr
// }
//
// attributes #0 = { norecurse nounwind readnone }
// ```
// after O2 optimization
let expected = indoc! {"
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; ModuleID = 'test'
source_filename = \"test\"
define i32 @testing(i32 %0, i32 %1) {
init:
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%add = add i32 %0, %1
%cmp = icmp eq i32 %add, 1
%ifexpr = select i1 %cmp, i32 %0, i32 0
ret i32 %ifexpr
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}
"}
.trim();
assert_eq!(expected, module.print_to_string().to_str().unwrap().trim());
})));
let (registry, handles) = WorkerRegistry::create_workers(threads, top_level, f);
registry.add_task(task);
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registry.wait_tasks_complete(handles);
}
#[test]
fn test_simple_call() {
let source_1 = indoc! { "
a = foo(a)
return a * 2
"};
let statements_1 = parse_program(source_1).unwrap();
let source_2 = indoc! { "
return a + 1
"};
let statements_2 = parse_program(source_2).unwrap();
let composer: TopLevelComposer = Default::default();
let mut unifier = composer.unifier.clone();
let primitives = composer.primitives_ty;
let top_level = Arc::new(composer.make_top_level_context());
unifier.top_level = Some(top_level.clone());
let signature = FunSignature {
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args: vec![FuncArg { name: "a".into(), ty: primitives.int32, default_value: None }],
ret: primitives.int32,
vars: HashMap::new(),
};
let fun_ty = unifier.add_ty(TypeEnum::TFunc(RefCell::new(signature.clone())));
let mut store = ConcreteTypeStore::new();
let mut cache = HashMap::new();
let signature = store.from_signature(&mut unifier, &primitives, &signature, &mut cache);
let signature = store.add_cty(signature);
let foo_id = top_level.definitions.read().len();
top_level.definitions.write().push(Arc::new(RwLock::new(TopLevelDef::Function {
name: "foo".to_string(),
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simple_name: "foo".into(),
signature: fun_ty,
var_id: vec![],
instance_to_stmt: HashMap::new(),
instance_to_symbol: HashMap::new(),
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resolver: None,
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codegen_callback: None,
})));
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let resolver = Resolver {
id_to_type: HashMap::new(),
id_to_def: RwLock::new(HashMap::new()),
class_names: Default::default(),
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};
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resolver.add_id_def("foo".into(), DefinitionId(foo_id));
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let resolver = Arc::new(resolver) as Arc<dyn SymbolResolver + Send + Sync>;
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if let TopLevelDef::Function { resolver: r, .. } =
&mut *top_level.definitions.read()[foo_id].write()
{
*r = Some(resolver.clone());
} else {
unreachable!()
}
let threads = vec![DefaultCodeGenerator::new("test".into()).into()];
let mut function_data = FunctionData {
resolver: resolver.clone(),
bound_variables: Vec::new(),
return_type: Some(primitives.int32),
};
let mut virtual_checks = Vec::new();
let mut calls = HashMap::new();
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let mut identifiers: HashSet<_> = ["a".into(), "foo".into()].iter().cloned().collect();
let mut inferencer = Inferencer {
top_level: &top_level,
function_data: &mut function_data,
unifier: &mut unifier,
variable_mapping: Default::default(),
primitives: &primitives,
virtual_checks: &mut virtual_checks,
calls: &mut calls,
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defined_identifiers: identifiers.clone(),
};
inferencer.variable_mapping.insert("a".into(), inferencer.primitives.int32);
inferencer.variable_mapping.insert("foo".into(), fun_ty);
let statements_1 = statements_1
.into_iter()
.map(|v| inferencer.fold_stmt(v))
.collect::<Result<Vec<_>, _>>()
.unwrap();
let calls1 = inferencer.calls.clone();
inferencer.calls.clear();
let statements_2 = statements_2
.into_iter()
.map(|v| inferencer.fold_stmt(v))
.collect::<Result<Vec<_>, _>>()
.unwrap();
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if let TopLevelDef::Function { instance_to_stmt, .. } =
&mut *top_level.definitions.read()[foo_id].write()
{
instance_to_stmt.insert(
"".to_string(),
FunInstance {
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body: Arc::new(statements_2),
calls: Arc::new(inferencer.calls.clone()),
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subst: Default::default(),
unifier_id: 0,
},
);
} else {
unreachable!()
}
inferencer.check_block(&statements_1, &mut identifiers).unwrap();
let top_level = Arc::new(TopLevelContext {
definitions: Arc::new(RwLock::new(std::mem::take(&mut *top_level.definitions.write()))),
unifiers: Arc::new(RwLock::new(vec![(unifier.get_shared_unifier(), primitives)])),
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personality_symbol: None,
});
let task = CodeGenTask {
subst: Default::default(),
symbol_name: "testing".to_string(),
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body: Arc::new(statements_1),
calls: Arc::new(calls1),
unifier_index: 0,
resolver,
signature,
store,
};
let f = Arc::new(WithCall::new(Box::new(|module| {
let expected = indoc! {"
; ModuleID = 'test'
source_filename = \"test\"
define i32 @testing(i32 %0) {
init:
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%call = call i32 @foo.0(i32 %0)
%mul = mul i32 %call, 2
ret i32 %mul
}
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define i32 @foo.0(i32 %0) {
init:
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%add = add i32 %0, 1
ret i32 %add
}
"}
.trim();
assert_eq!(expected, module.print_to_string().to_str().unwrap().trim());
})));
let (registry, handles) = WorkerRegistry::create_workers(threads, top_level, f);
registry.add_task(task);
registry.wait_tasks_complete(handles);
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}