use crate::{ codegen::{CodeGenTask, WithCall, WorkerRegistry, CodeGenContext}, location::Location, symbol_resolver::SymbolResolver, toplevel::{ composer::TopLevelComposer, DefinitionId, FunInstance, TopLevelContext, TopLevelDef, }, typecheck::{ type_inferencer::{FunctionData, Inferencer, PrimitiveStore}, typedef::{FunSignature, FuncArg, Type, TypeEnum, Unifier}, }, }; use indoc::indoc; use inkwell::values::BasicValueEnum; use parking_lot::RwLock; use rustpython_parser::{ ast::{fold::Fold, StrRef}, parser::parse_program, }; use std::cell::RefCell; use std::collections::{HashMap, HashSet}; use std::sync::Arc; struct Resolver { id_to_type: HashMap, id_to_def: RwLock>, class_names: HashMap, } impl Resolver { pub fn add_id_def(&self, id: StrRef, def: DefinitionId) { self.id_to_def.write().insert(id, def); } } impl SymbolResolver for Resolver { fn get_symbol_type(&self, _: &mut Unifier, _: &[Arc>], _: &PrimitiveStore, str: StrRef) -> Option { self.id_to_type.get(&str).cloned() } fn get_symbol_value<'ctx, 'a>(&self, _: StrRef, _: &mut CodeGenContext<'ctx, 'a>) -> Option> { unimplemented!() } fn get_symbol_location(&self, _: StrRef) -> Option { unimplemented!() } fn get_identifier_def(&self, id: StrRef) -> Option { self.id_to_def.read().get(&id).cloned() } } #[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(); 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 resolver = Arc::new(Box::new(Resolver { id_to_type: HashMap::new(), id_to_def: RwLock::new(HashMap::new()), class_names: Default::default(), }) as Box); let threads = ["test"]; let signature = FunSignature { args: vec![ FuncArg { name: "a".into(), ty: primitives.int32, default_value: None }, FuncArg { name: "b".into(), ty: primitives.int32, default_value: None }, ], ret: primitives.int32, vars: HashMap::new(), }; 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(); let mut identifiers: HashSet<_> = ["a".into(), "b".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, defined_identifiers: identifiers.clone(), }; inferencer.variable_mapping.insert("a".into(), inferencer.primitives.int32); inferencer.variable_mapping.insert("b".into(), inferencer.primitives.int32); let statements = statements .into_iter() .map(|v| inferencer.fold_stmt(v)) .collect::, _>>() .unwrap(); inferencer.check_block(&statements, &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)])), personality_symbol: None, }); let unifier = (unifier.get_shared_unifier(), primitives); let task = CodeGenTask { subst: Default::default(), symbol_name: "testing".into(), body: Arc::new(statements), resolver, unifier, calls: Arc::new(calls), 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! {" ; ModuleID = 'test' source_filename = \"test\" define i32 @testing(i32 %0, i32 %1) { init: %a = alloca i32, align 4 store i32 %0, i32* %a, align 4 %b = alloca i32, align 4 store i32 %1, i32* %b, align 4 %tmp = alloca i32, align 4 %tmp4 = alloca i32, align 4 br label %body body: ; preds = %init %load = load i32, i32* %a, align 4 %load1 = load i32, i32* %b, align 4 %add = add i32 %load, %load1 store i32 %add, i32* %tmp, align 4 %load2 = load i32, i32* %tmp, align 4 %cmp = icmp eq i32 %load2, 1 br i1 %cmp, label %then, label %else then: ; preds = %body %load3 = load i32, i32* %a, align 4 br label %cont else: ; preds = %body br label %cont cont: ; preds = %else, %then %ifexpr = phi i32 [ %load3, %then ], [ 0, %else ] store i32 %ifexpr, i32* %tmp4, align 4 %load5 = load i32, i32* %tmp4, align 4 ret i32 %load5 } "} .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); } #[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 { 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 foo_id = top_level.definitions.read().len(); top_level.definitions.write().push(Arc::new(RwLock::new(TopLevelDef::Function { name: "foo".to_string(), simple_name: "foo".into(), signature: fun_ty, var_id: vec![], instance_to_stmt: HashMap::new(), instance_to_symbol: HashMap::new(), resolver: None, codegen_callback: None, }))); let resolver = Box::new(Resolver { id_to_type: HashMap::new(), id_to_def: RwLock::new(HashMap::new()), class_names: Default::default(), }); resolver.add_id_def("foo".into(), DefinitionId(foo_id)); let resolver = Arc::new(resolver as Box); if let TopLevelDef::Function { resolver: r, .. } = &mut *top_level.definitions.read()[foo_id].write() { *r = Some(resolver.clone()); } else { unreachable!() } let threads = ["test"]; 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(); 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, 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::, _>>() .unwrap(); let calls1 = inferencer.calls.clone(); inferencer.calls.clear(); let statements_2 = statements_2 .into_iter() .map(|v| inferencer.fold_stmt(v)) .collect::, _>>() .unwrap(); if let TopLevelDef::Function { instance_to_stmt, .. } = &mut *top_level.definitions.read()[foo_id].write() { instance_to_stmt.insert( "".to_string(), FunInstance { body: Arc::new(statements_2), calls: Arc::new(inferencer.calls.clone()), 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)])), personality_symbol: None, }); let unifier = (unifier.get_shared_unifier(), primitives); let task = CodeGenTask { subst: Default::default(), symbol_name: "testing".to_string(), body: Arc::new(statements_1), resolver, unifier, calls: Arc::new(calls1), signature, }; let f = Arc::new(WithCall::new(Box::new(|module| { let expected = indoc! {" ; ModuleID = 'test' source_filename = \"test\" define i32 @testing(i32 %0) { init: %a = alloca i32, align 4 store i32 %0, i32* %a, align 4 br label %body body: ; preds = %init %load = load i32, i32* %a, align 4 %call = call i32 @foo.0(i32 %load) store i32 %call, i32* %a, align 4 %load1 = load i32, i32* %a, align 4 %mul = mul i32 %load1, 2 ret i32 %mul } define i32 @foo.0(i32 %0) { init: %a = alloca i32, align 4 store i32 %0, i32* %a, align 4 br label %body body: ; preds = %init %load = load i32, i32* %a, align 4 %add = add i32 %load, 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); }