forked from M-Labs/nac3
249 lines
8.2 KiB
Rust
249 lines
8.2 KiB
Rust
use super::{CodeGenTask, WorkerRegistry};
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use crate::{
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codegen::WithCall,
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location::Location,
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symbol_resolver::{SymbolResolver, SymbolValue},
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top_level::{DefinitionId, TopLevelContext},
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typecheck::{
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magic_methods::set_primitives_magic_methods,
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type_inferencer::{CodeLocation, FunctionData, Inferencer, PrimitiveStore},
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typedef::{CallId, 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::collections::HashMap;
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use std::sync::Arc;
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#[derive(Clone)]
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struct Resolver {
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id_to_type: HashMap<String, Type>,
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id_to_def: HashMap<String, DefinitionId>,
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class_names: HashMap<String, Type>,
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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.get(id).cloned()
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}
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}
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struct TestEnvironment {
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pub unifier: Unifier,
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pub function_data: FunctionData,
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pub primitives: PrimitiveStore,
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pub id_to_name: HashMap<usize, String>,
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pub identifier_mapping: HashMap<String, Type>,
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pub virtual_checks: Vec<(Type, Type)>,
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pub calls: HashMap<CodeLocation, CallId>,
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pub top_level: TopLevelContext,
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}
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impl TestEnvironment {
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pub fn basic_test_env() -> TestEnvironment {
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let mut unifier = Unifier::new();
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let int32 = unifier.add_ty(TypeEnum::TObj {
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obj_id: DefinitionId(0),
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fields: HashMap::new().into(),
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params: HashMap::new().into(),
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});
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let int64 = unifier.add_ty(TypeEnum::TObj {
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obj_id: DefinitionId(1),
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fields: HashMap::new().into(),
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params: HashMap::new().into(),
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});
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let float = unifier.add_ty(TypeEnum::TObj {
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obj_id: DefinitionId(2),
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fields: HashMap::new().into(),
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params: HashMap::new().into(),
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});
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let bool = unifier.add_ty(TypeEnum::TObj {
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obj_id: DefinitionId(3),
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fields: HashMap::new().into(),
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params: HashMap::new().into(),
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});
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let none = unifier.add_ty(TypeEnum::TObj {
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obj_id: DefinitionId(4),
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fields: HashMap::new().into(),
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params: HashMap::new().into(),
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});
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let primitives = PrimitiveStore { int32, int64, float, bool, none };
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set_primitives_magic_methods(&primitives, &mut unifier);
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let id_to_name = [
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(0, "int32".to_string()),
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(1, "int64".to_string()),
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(2, "float".to_string()),
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(3, "bool".to_string()),
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(4, "none".to_string()),
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]
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.iter()
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.cloned()
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.collect();
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let mut identifier_mapping = HashMap::new();
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identifier_mapping.insert("None".into(), none);
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let resolver = Arc::new(Resolver {
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id_to_type: identifier_mapping.clone(),
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id_to_def: Default::default(),
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class_names: Default::default(),
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}) as Arc<dyn SymbolResolver + Send + Sync>;
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TestEnvironment {
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unifier,
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top_level: TopLevelContext {
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definitions: Default::default(),
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unifiers: Default::default(),
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// conetexts: Default::default(),
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},
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function_data: FunctionData {
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resolver,
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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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primitives,
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id_to_name,
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identifier_mapping,
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virtual_checks: Vec::new(),
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calls: HashMap::new(),
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}
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}
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fn get_inferencer(&mut self) -> Inferencer {
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Inferencer {
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top_level: &self.top_level,
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function_data: &mut self.function_data,
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unifier: &mut self.unifier,
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variable_mapping: Default::default(),
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primitives: &mut self.primitives,
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virtual_checks: &mut self.virtual_checks,
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calls: &mut self.calls,
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}
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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 mut env = TestEnvironment::basic_test_env();
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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: env.primitives.int32, default_value: None },
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FuncArg { name: "b".to_string(), ty: env.primitives.int32, default_value: None },
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],
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ret: env.primitives.int32,
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vars: HashMap::new(),
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};
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let mut inferencer = env.get_inferencer();
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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 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 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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let mut identifiers = vec!["a".to_string(), "b".to_string()];
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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: Default::default(),
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unifiers: Arc::new(RwLock::new(vec![(env.unifier.get_shared_unifier(), env.primitives)])),
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// conetexts: Default::default(),
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});
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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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unifier_index: 0,
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resolver: env.function_data.resolver.clone(),
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calls: Default::default(),
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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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