forked from M-Labs/nac3
356 lines
12 KiB
Rust
356 lines
12 KiB
Rust
use crate::{
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codegen::{CodeGenTask, WithCall, WorkerRegistry},
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location::Location,
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symbol_resolver::{SymbolResolver, SymbolValue},
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toplevel::{
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composer::TopLevelComposer, DefinitionId, FunInstance, TopLevelContext, TopLevelDef,
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},
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typecheck::{
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type_inferencer::{FunctionData, Inferencer, PrimitiveStore},
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typedef::{FunSignature, FuncArg, Type, TypeEnum, Unifier},
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},
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};
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use indoc::indoc;
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use parking_lot::RwLock;
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use rustpython_parser::{ast::fold::Fold, parser::parse_program};
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use std::cell::RefCell;
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use std::collections::{HashMap, HashSet};
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use std::sync::Arc;
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struct Resolver {
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id_to_type: HashMap<String, Type>,
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id_to_def: RwLock<HashMap<String, DefinitionId>>,
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class_names: HashMap<String, Type>,
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}
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impl Resolver {
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pub fn add_id_def(&self, id: String, def: DefinitionId) {
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self.id_to_def.write().insert(id, def);
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}
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}
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impl SymbolResolver for Resolver {
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fn get_symbol_type(&self, _: &mut Unifier, _: &PrimitiveStore, str: &str) -> Option<Type> {
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self.id_to_type.get(str).cloned()
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}
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fn get_symbol_value(&self, _: &str) -> Option<SymbolValue> {
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unimplemented!()
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}
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fn get_symbol_location(&self, _: &str) -> Option<Location> {
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unimplemented!()
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}
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fn get_identifier_def(&self, id: &str) -> Option<DefinitionId> {
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self.id_to_def.read().get(id).cloned()
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}
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}
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#[test]
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fn test_primitives() {
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let source = indoc! { "
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c = a + b
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d = a if c == 1 else 0
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return d
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"};
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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();
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let primitives = composer.primitives_ty;
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let top_level = Arc::new(composer.make_top_level_context());
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unifier.top_level = Some(top_level.clone());
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// let resolver = Arc::new(Mutex::new(Resolver {
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// id_to_type: HashMap::new(),
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// id_to_def: RwLock::new(HashMap::new()),
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// class_names: Default::default(),
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// }) as Mutex<dyn SymbolResolver + Send + Sync>);
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let resolver = Arc::new(Box::new(Resolver {
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id_to_type: HashMap::new(),
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id_to_def: RwLock::new(HashMap::new()),
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class_names: Default::default(),
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}) as Box<dyn SymbolResolver + Send + Sync>);
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let threads = ["test"];
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let signature = FunSignature {
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args: vec![
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FuncArg { name: "a".to_string(), ty: primitives.int32, default_value: None },
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FuncArg { name: "b".to_string(), ty: primitives.int32, default_value: None },
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],
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ret: primitives.int32,
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vars: HashMap::new(),
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};
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let mut function_data = FunctionData {
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resolver: resolver.clone(),
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bound_variables: Vec::new(),
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return_type: Some(primitives.int32),
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};
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let mut virtual_checks = Vec::new();
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let mut calls = HashMap::new();
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let mut identifiers: HashSet<_> = ["a".to_string(), "b".to_string()].iter().cloned().collect();
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let mut inferencer = Inferencer {
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top_level: &top_level,
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function_data: &mut function_data,
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unifier: &mut unifier,
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variable_mapping: Default::default(),
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primitives: &primitives,
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virtual_checks: &mut virtual_checks,
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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);
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inferencer.variable_mapping.insert("b".into(), inferencer.primitives.int32);
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let statements = statements
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.into_iter()
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.map(|v| inferencer.fold_stmt(v))
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.collect::<Result<Vec<_>, _>>()
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.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()))),
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unifiers: Arc::new(RwLock::new(vec![(unifier.get_shared_unifier(), primitives)])),
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});
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let unifier = (unifier.get_shared_unifier(), primitives);
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let task = CodeGenTask {
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subst: Default::default(),
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symbol_name: "testing".to_string(),
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body: statements,
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resolver,
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unifier,
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calls,
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signature,
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};
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let f = Arc::new(WithCall::new(Box::new(|module| {
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// the following IR is equivalent to
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// ```
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// ; ModuleID = 'test.ll'
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// source_filename = "test"
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//
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// ; Function Attrs: norecurse nounwind readnone
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// define i32 @testing(i32 %0, i32 %1) local_unnamed_addr #0 {
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// init:
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// %add = add i32 %1, %0
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// %cmp = icmp eq i32 %add, 1
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// %ifexpr = select i1 %cmp, i32 %0, i32 0
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// ret i32 %ifexpr
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// }
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//
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// attributes #0 = { norecurse nounwind readnone }
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// ```
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// after O2 optimization
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let expected = indoc! {"
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; ModuleID = 'test'
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source_filename = \"test\"
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define i32 @testing(i32 %0, i32 %1) {
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init:
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%a = alloca i32, align 4
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store i32 %0, i32* %a, align 4
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%b = alloca i32, align 4
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store i32 %1, i32* %b, align 4
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%tmp = alloca i32, align 4
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%tmp4 = alloca i32, align 4
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br label %body
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body: ; preds = %init
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%load = load i32, i32* %a, align 4
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%load1 = load i32, i32* %b, align 4
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%add = add i32 %load, %load1
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store i32 %add, i32* %tmp, align 4
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%load2 = load i32, i32* %tmp, align 4
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%cmp = icmp eq i32 %load2, 1
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br i1 %cmp, label %then, label %else
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then: ; preds = %body
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%load3 = load i32, i32* %a, align 4
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br label %cont
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else: ; preds = %body
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br label %cont
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cont: ; preds = %else, %then
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%ifexpr = phi i32 [ %load3, %then ], [ 0, %else ]
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store i32 %ifexpr, i32* %tmp4, align 4
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%load5 = load i32, i32* %tmp4, align 4
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ret i32 %load5
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}
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"}
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.trim();
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assert_eq!(expected, module.print_to_string().to_str().unwrap().trim());
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})));
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let (registry, handles) = WorkerRegistry::create_workers(&threads, top_level, f);
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registry.add_task(task);
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registry.wait_tasks_complete(handles);
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}
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#[test]
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fn test_simple_call() {
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let source_1 = indoc! { "
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a = foo(a)
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return a * 2
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"};
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let statements_1 = parse_program(source_1).unwrap();
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let source_2 = indoc! { "
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return a + 1
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"};
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let statements_2 = parse_program(source_2).unwrap();
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let composer: TopLevelComposer = Default::default();
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let mut unifier = composer.unifier.clone();
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let primitives = composer.primitives_ty;
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let top_level = Arc::new(composer.make_top_level_context());
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unifier.top_level = Some(top_level.clone());
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let signature = FunSignature {
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args: vec![FuncArg { name: "a".to_string(), ty: primitives.int32, default_value: None }],
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ret: primitives.int32,
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vars: HashMap::new(),
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};
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let fun_ty = unifier.add_ty(TypeEnum::TFunc(RefCell::new(signature.clone())));
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let foo_id = top_level.definitions.read().len();
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top_level.definitions.write().push(Arc::new(RwLock::new(TopLevelDef::Function {
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name: "foo".to_string(),
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signature: fun_ty,
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var_id: vec![],
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instance_to_stmt: HashMap::new(),
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instance_to_symbol: HashMap::new(),
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resolver: None,
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})));
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let resolver = Box::new(Resolver {
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id_to_type: HashMap::new(),
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id_to_def: RwLock::new(HashMap::new()),
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class_names: Default::default(),
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});
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resolver.add_id_def("foo".to_string(), DefinitionId(foo_id));
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let resolver = Arc::new(resolver as Box<dyn SymbolResolver + Send + Sync>);
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if let TopLevelDef::Function { resolver: r, .. } =
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&mut *top_level.definitions.read()[foo_id].write()
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{
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*r = Some(resolver.clone());
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} else {
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unreachable!()
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}
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let threads = ["test"];
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let mut function_data = FunctionData {
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resolver: resolver.clone(),
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bound_variables: Vec::new(),
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return_type: Some(primitives.int32),
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};
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let mut virtual_checks = Vec::new();
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let mut calls = HashMap::new();
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let mut identifiers: HashSet<_> = ["a".to_string(), "foo".into()].iter().cloned().collect();
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let mut inferencer = Inferencer {
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top_level: &top_level,
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function_data: &mut function_data,
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unifier: &mut unifier,
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variable_mapping: Default::default(),
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primitives: &primitives,
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virtual_checks: &mut virtual_checks,
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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);
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inferencer.variable_mapping.insert("foo".into(), fun_ty);
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let statements_1 = statements_1
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.into_iter()
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.map(|v| inferencer.fold_stmt(v))
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.collect::<Result<Vec<_>, _>>()
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.unwrap();
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let calls1 = inferencer.calls.clone();
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inferencer.calls.clear();
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let statements_2 = statements_2
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.into_iter()
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.map(|v| inferencer.fold_stmt(v))
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.collect::<Result<Vec<_>, _>>()
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.unwrap();
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if let TopLevelDef::Function { instance_to_stmt, .. } =
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&mut *top_level.definitions.read()[foo_id].write()
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{
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instance_to_stmt.insert(
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"".to_string(),
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FunInstance {
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body: statements_2,
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calls: inferencer.calls.clone(),
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subst: Default::default(),
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unifier_id: 0,
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},
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);
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} else {
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unreachable!()
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}
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inferencer.check_block(&statements_1, &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()))),
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unifiers: Arc::new(RwLock::new(vec![(unifier.get_shared_unifier(), primitives)])),
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});
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let unifier = (unifier.get_shared_unifier(), primitives);
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let task = CodeGenTask {
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subst: Default::default(),
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symbol_name: "testing".to_string(),
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body: statements_1,
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resolver,
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unifier,
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calls: calls1,
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signature,
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};
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let f = Arc::new(WithCall::new(Box::new(|module| {
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let expected = indoc! {"
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; ModuleID = 'test'
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source_filename = \"test\"
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define i32 @testing(i32 %0) {
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init:
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%a = alloca i32, align 4
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store i32 %0, i32* %a, align 4
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br label %body
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body: ; preds = %init
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%load = load i32, i32* %a, align 4
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%call = call i32 @foo_0(i32 %load)
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store i32 %call, i32* %a, align 4
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%load1 = load i32, i32* %a, align 4
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%mul = mul i32 %load1, 2
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ret i32 %mul
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}
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define i32 @foo_0(i32 %0) {
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init:
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%a = alloca i32, align 4
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store i32 %0, i32* %a, align 4
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br label %body
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body: ; preds = %init
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%load = load i32, i32* %a, align 4
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%add = add i32 %load, 1
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ret i32 %add
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}
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"}
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.trim();
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assert_eq!(expected, module.print_to_string().to_str().unwrap().trim());
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})));
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let (registry, handles) = WorkerRegistry::create_workers(&threads, top_level, f);
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registry.add_task(task);
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registry.wait_tasks_complete(handles);
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}
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