forked from M-Labs/nac3
643 lines
23 KiB
Rust
643 lines
23 KiB
Rust
use std::collections::{HashMap, HashSet};
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use std::fs;
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use std::process::Command;
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use std::sync::Arc;
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use inkwell::{
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passes::{PassManager, PassManagerBuilder},
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targets::*,
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OptimizationLevel,
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};
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use nac3parser::{
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ast::{self, StrRef},
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parser::{self, parse_program},
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};
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use pyo3::prelude::*;
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use pyo3::{exceptions, types::PyBytes, types::PyList, types::PySet};
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use parking_lot::{Mutex, RwLock};
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use nac3core::{
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codegen::{concrete_type::ConcreteTypeStore, CodeGenTask, WithCall, WorkerRegistry},
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symbol_resolver::SymbolResolver,
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toplevel::{composer::TopLevelComposer, DefinitionId, GenCall, TopLevelContext, TopLevelDef},
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typecheck::typedef::{FunSignature, FuncArg},
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typecheck::{type_inferencer::PrimitiveStore, typedef::Type},
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};
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use tempfile::{self, TempDir};
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use crate::{
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codegen::ArtiqCodeGenerator,
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symbol_resolver::{InnerResolver, PythonHelper, Resolver},
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};
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mod codegen;
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mod symbol_resolver;
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mod timeline;
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use timeline::TimeFns;
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#[derive(PartialEq, Clone, Copy)]
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enum Isa {
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Host,
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RiscV32G,
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RiscV32IMA,
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CortexA9,
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}
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#[derive(Clone)]
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pub struct PrimitivePythonId {
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int: u64,
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int32: u64,
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int64: u64,
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float: u64,
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bool: u64,
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list: u64,
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tuple: u64,
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typevar: u64,
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none: u64,
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generic_alias: (u64, u64),
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virtual_id: u64,
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}
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// TopLevelComposer is unsendable as it holds the unification table, which is
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// unsendable due to Rc. Arc would cause a performance hit.
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#[pyclass(unsendable, name = "NAC3")]
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struct Nac3 {
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isa: Isa,
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time_fns: &'static (dyn TimeFns + Sync),
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primitive: PrimitiveStore,
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builtins_ty: HashMap<StrRef, Type>,
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builtins_def: HashMap<StrRef, DefinitionId>,
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pyid_to_def: Arc<RwLock<HashMap<u64, DefinitionId>>>,
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pyid_to_type: Arc<RwLock<HashMap<u64, Type>>>,
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composer: TopLevelComposer,
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top_level: Option<Arc<TopLevelContext>>,
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primitive_ids: PrimitivePythonId,
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global_value_ids: Arc<Mutex<HashSet<u64>>>,
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working_directory: TempDir,
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}
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impl Nac3 {
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fn register_module(
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&mut self,
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module: PyObject,
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registered_class_ids: &HashSet<u64>,
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) -> PyResult<()> {
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let mut name_to_pyid: HashMap<StrRef, u64> = HashMap::new();
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let (module_name, source_file, helper) =
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Python::with_gil(|py| -> PyResult<(String, String, PythonHelper)> {
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let module: &PyAny = module.extract(py)?;
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let builtins = PyModule::import(py, "builtins")?;
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let id_fn = builtins.getattr("id")?;
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let members: &PyList = PyModule::import(py, "inspect")?
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.getattr("getmembers")?
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.call1((module,))?
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.cast_as()?;
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for member in members.iter() {
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let key: &str = member.get_item(0)?.extract()?;
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let val = id_fn.call1((member.get_item(1)?,))?.extract()?;
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name_to_pyid.insert(key.into(), val);
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}
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let typings = PyModule::import(py, "typing")?;
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let helper = PythonHelper {
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id_fn: builtins.getattr("id").unwrap().to_object(py),
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len_fn: builtins.getattr("len").unwrap().to_object(py),
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type_fn: builtins.getattr("type").unwrap().to_object(py),
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origin_ty_fn: typings.getattr("get_origin").unwrap().to_object(py),
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args_ty_fn: typings.getattr("get_args").unwrap().to_object(py),
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};
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Ok((
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module.getattr("__name__")?.extract()?,
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module.getattr("__file__")?.extract()?,
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helper,
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))
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})?;
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let source = fs::read_to_string(source_file).map_err(|e| {
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exceptions::PyIOError::new_err(format!("failed to read input file: {}", e))
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})?;
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let parser_result = parser::parse_program(&source)
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.map_err(|e| exceptions::PySyntaxError::new_err(format!("parse error: {}", e)))?;
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let resolver = Arc::new(Resolver(Arc::new(InnerResolver {
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id_to_type: self.builtins_ty.clone().into(),
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id_to_def: self.builtins_def.clone().into(),
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pyid_to_def: self.pyid_to_def.clone(),
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pyid_to_type: self.pyid_to_type.clone(),
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primitive_ids: self.primitive_ids.clone(),
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global_value_ids: self.global_value_ids.clone(),
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class_names: Default::default(),
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name_to_pyid: name_to_pyid.clone(),
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module: module.clone(),
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helper,
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}))) as Arc<dyn SymbolResolver + Send + Sync>;
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let mut name_to_def = HashMap::new();
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let mut name_to_type = HashMap::new();
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for mut stmt in parser_result.into_iter() {
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let include = match stmt.node {
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ast::StmtKind::ClassDef {
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ref decorator_list,
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ref mut body,
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ref mut bases,
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..
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} => {
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let nac3_class = decorator_list.iter().any(|decorator| {
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if let ast::ExprKind::Name { id, .. } = decorator.node {
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id.to_string() == "nac3"
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} else {
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false
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}
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});
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if !nac3_class {
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continue;
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}
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// Drop unregistered (i.e. host-only) base classes.
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bases.retain(|base| {
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Python::with_gil(|py| -> PyResult<bool> {
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let id_fn = PyModule::import(py, "builtins")?.getattr("id")?;
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match &base.node {
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ast::ExprKind::Name { id, .. } => {
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let base_obj = module.getattr(py, id.to_string())?;
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let base_id = id_fn.call1((base_obj,))?.extract()?;
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Ok(registered_class_ids.contains(&base_id))
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}
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_ => Ok(true),
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}
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})
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.unwrap()
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});
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body.retain(|stmt| {
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if let ast::StmtKind::FunctionDef {
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ref decorator_list, ..
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} = stmt.node
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{
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decorator_list.iter().any(|decorator| {
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if let ast::ExprKind::Name { id, .. } = decorator.node {
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id.to_string() == "kernel" || id.to_string() == "portable"
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} else {
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false
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}
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})
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} else {
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true
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}
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});
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true
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}
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ast::StmtKind::FunctionDef {
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ref decorator_list, ..
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} => decorator_list.iter().any(|decorator| {
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if let ast::ExprKind::Name { id, .. } = decorator.node {
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let id = id.to_string();
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id == "extern" || id == "portable" || id == "kernel"
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} else {
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false
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}
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}),
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_ => false,
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};
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if include {
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let (name, def_id, ty) = self
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.composer
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.register_top_level(stmt, Some(resolver.clone()), module_name.clone())
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.unwrap();
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name_to_def.insert(name, def_id);
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if let Some(ty) = ty {
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name_to_type.insert(name, ty);
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}
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}
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}
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let mut map = self.pyid_to_def.write();
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for (name, def) in name_to_def.into_iter() {
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map.insert(*name_to_pyid.get(&name).unwrap(), def);
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}
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let mut map = self.pyid_to_type.write();
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for (name, ty) in name_to_type.into_iter() {
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map.insert(*name_to_pyid.get(&name).unwrap(), ty);
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}
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Ok(())
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}
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}
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#[pymethods]
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impl Nac3 {
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#[new]
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fn new(isa: &str, py: Python) -> PyResult<Self> {
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let isa = match isa {
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"host" => Isa::Host,
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"rv32g" => Isa::RiscV32G,
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"rv32ima" => Isa::RiscV32IMA,
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"cortexa9" => Isa::CortexA9,
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_ => return Err(exceptions::PyValueError::new_err("invalid ISA")),
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};
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let time_fns: &(dyn TimeFns + Sync) = match isa {
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Isa::Host => &timeline::EXTERN_TIME_FNS,
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Isa::RiscV32G => &timeline::NOW_PINNING_TIME_FNS_64,
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Isa::RiscV32IMA => &timeline::NOW_PINNING_TIME_FNS,
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Isa::CortexA9 => &timeline::EXTERN_TIME_FNS,
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};
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let primitive: PrimitiveStore = TopLevelComposer::make_primitives().0;
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let builtins = vec![
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(
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"now_mu".into(),
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FunSignature {
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args: vec![],
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ret: primitive.int64,
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vars: HashMap::new(),
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},
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Arc::new(GenCall::new(Box::new(move |ctx, _, _, _| {
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Some(time_fns.emit_now_mu(ctx))
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}))),
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),
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(
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"at_mu".into(),
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FunSignature {
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args: vec![FuncArg {
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name: "t".into(),
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ty: primitive.int64,
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default_value: None,
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}],
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ret: primitive.none,
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vars: HashMap::new(),
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},
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Arc::new(GenCall::new(Box::new(move |ctx, _, _, args| {
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time_fns.emit_at_mu(ctx, args[0].1);
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None
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}))),
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),
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(
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"delay_mu".into(),
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FunSignature {
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args: vec![FuncArg {
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name: "dt".into(),
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ty: primitive.int64,
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default_value: None,
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}],
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ret: primitive.none,
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vars: HashMap::new(),
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},
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Arc::new(GenCall::new(Box::new(move |ctx, _, _, args| {
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time_fns.emit_delay_mu(ctx, args[0].1);
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None
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}))),
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),
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];
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let (composer, builtins_def, builtins_ty) = TopLevelComposer::new(builtins);
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let builtins_mod = PyModule::import(py, "builtins").unwrap();
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let id_fn = builtins_mod.getattr("id").unwrap();
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let numpy_mod = PyModule::import(py, "numpy").unwrap();
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let typing_mod = PyModule::import(py, "typing").unwrap();
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let types_mod = PyModule::import(py, "types").unwrap();
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let primitive_ids = PrimitivePythonId {
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virtual_id: id_fn
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.call1((builtins_mod
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.getattr("globals")
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.unwrap()
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.call0()
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.unwrap()
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.get_item("virtual")
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.unwrap(),
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)).unwrap()
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.extract()
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.unwrap(),
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generic_alias: (
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id_fn
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.call1((typing_mod.getattr("_GenericAlias").unwrap(),))
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.unwrap()
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.extract()
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.unwrap(),
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id_fn
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.call1((types_mod.getattr("GenericAlias").unwrap(),))
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.unwrap()
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.extract()
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.unwrap(),
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),
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none: id_fn
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.call1((builtins_mod.getattr("None").unwrap(),))
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.unwrap()
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.extract()
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.unwrap(),
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typevar: id_fn
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.call1((typing_mod.getattr("TypeVar").unwrap(),))
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.unwrap()
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.extract()
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.unwrap(),
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int: id_fn
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.call1((builtins_mod.getattr("int").unwrap(),))
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.unwrap()
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.extract()
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.unwrap(),
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int32: id_fn
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.call1((numpy_mod.getattr("int32").unwrap(),))
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.unwrap()
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.extract()
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.unwrap(),
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int64: id_fn
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.call1((numpy_mod.getattr("int64").unwrap(),))
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.unwrap()
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.extract()
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.unwrap(),
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bool: id_fn
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.call1((builtins_mod.getattr("bool").unwrap(),))
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.unwrap()
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.extract()
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.unwrap(),
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float: id_fn
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.call1((builtins_mod.getattr("float").unwrap(),))
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.unwrap()
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.extract()
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.unwrap(),
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list: id_fn
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.call1((builtins_mod.getattr("list").unwrap(),))
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.unwrap()
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.extract()
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.unwrap(),
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tuple: id_fn
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.call1((builtins_mod.getattr("tuple").unwrap(),))
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.unwrap()
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.extract()
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.unwrap(),
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};
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let working_directory = tempfile::Builder::new().prefix("nac3-").tempdir().unwrap();
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fs::write(
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working_directory.path().join("kernel.ld"),
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include_bytes!("kernel.ld"),
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)
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.unwrap();
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Ok(Nac3 {
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isa,
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time_fns,
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primitive,
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builtins_ty,
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builtins_def,
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composer,
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primitive_ids,
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top_level: None,
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pyid_to_def: Default::default(),
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pyid_to_type: Default::default(),
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global_value_ids: Default::default(),
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working_directory,
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})
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}
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fn analyze(&mut self, functions: &PySet, classes: &PySet) -> PyResult<()> {
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let (modules, class_ids) =
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Python::with_gil(|py| -> PyResult<(HashMap<u64, PyObject>, HashSet<u64>)> {
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let mut modules: HashMap<u64, PyObject> = HashMap::new();
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let mut class_ids: HashSet<u64> = HashSet::new();
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let id_fn = PyModule::import(py, "builtins")?.getattr("id")?;
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let getmodule_fn = PyModule::import(py, "inspect")?.getattr("getmodule")?;
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for function in functions.iter() {
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let module = getmodule_fn.call1((function,))?.extract()?;
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modules.insert(id_fn.call1((&module,))?.extract()?, module);
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}
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for class in classes.iter() {
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let module = getmodule_fn.call1((class,))?.extract()?;
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modules.insert(id_fn.call1((&module,))?.extract()?, module);
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class_ids.insert(id_fn.call1((class,))?.extract()?);
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}
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Ok((modules, class_ids))
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})?;
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for module in modules.into_values() {
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self.register_module(module, &class_ids)?;
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}
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Ok(())
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}
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fn compile_method_to_file(
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&mut self,
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obj: &PyAny,
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method_name: &str,
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args: Vec<&PyAny>,
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filename: &str,
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py: Python,
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) -> PyResult<()> {
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let id_fun = PyModule::import(py, "builtins")?.getattr("id")?;
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let mut name_to_pyid: HashMap<StrRef, u64> = HashMap::new();
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let module = PyModule::new(py, "tmp")?;
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module.add("base", obj)?;
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name_to_pyid.insert("base".into(), id_fun.call1((obj,))?.extract()?);
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let mut arg_names = vec![];
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for (i, arg) in args.into_iter().enumerate() {
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let name = format!("tmp{}", i);
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module.add(&name, arg)?;
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name_to_pyid.insert(name.clone().into(), id_fun.call1((arg,))?.extract()?);
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arg_names.push(name);
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}
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let synthesized = if method_name.is_empty() {
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format!("def __modinit__():\n base({})", arg_names.join(", "))
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} else {
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format!(
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"def __modinit__():\n base.{}({})",
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method_name,
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arg_names.join(", ")
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)
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};
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let mut synthesized = parse_program(&synthesized).unwrap();
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let builtins = PyModule::import(py, "builtins")?;
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let typings = PyModule::import(py, "typing")?;
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let helper = PythonHelper {
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id_fn: builtins.getattr("id").unwrap().to_object(py),
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len_fn: builtins.getattr("len").unwrap().to_object(py),
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type_fn: builtins.getattr("type").unwrap().to_object(py),
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origin_ty_fn: typings.getattr("get_origin").unwrap().to_object(py),
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args_ty_fn: typings.getattr("get_args").unwrap().to_object(py),
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};
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let resolver = Arc::new(Resolver(Arc::new(InnerResolver {
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id_to_type: self.builtins_ty.clone().into(),
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id_to_def: self.builtins_def.clone().into(),
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pyid_to_def: self.pyid_to_def.clone(),
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pyid_to_type: self.pyid_to_type.clone(),
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primitive_ids: self.primitive_ids.clone(),
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global_value_ids: self.global_value_ids.clone(),
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class_names: Default::default(),
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name_to_pyid,
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module: module.to_object(py),
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helper,
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}))) as Arc<dyn SymbolResolver + Send + Sync>;
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let (_, def_id, _) = self
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.composer
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.register_top_level(
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synthesized.pop().unwrap(),
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Some(resolver.clone()),
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"".into(),
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)
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.unwrap();
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|
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let signature = FunSignature {
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args: vec![],
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ret: self.primitive.none,
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vars: HashMap::new(),
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};
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let mut store = ConcreteTypeStore::new();
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|
let mut cache = HashMap::new();
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|
let signature = store.from_signature(
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&mut self.composer.unifier,
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&self.primitive,
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&signature,
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&mut cache,
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);
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let signature = store.add_cty(signature);
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|
|
self.composer.start_analysis(true).unwrap();
|
|
self.top_level = Some(Arc::new(self.composer.make_top_level_context()));
|
|
let top_level = self.top_level.as_ref().unwrap();
|
|
let instance = {
|
|
let defs = top_level.definitions.read();
|
|
let mut definition = defs[def_id.0].write();
|
|
if let TopLevelDef::Function {
|
|
instance_to_stmt,
|
|
instance_to_symbol,
|
|
..
|
|
} = &mut *definition
|
|
{
|
|
instance_to_symbol.insert("".to_string(), "__modinit__".into());
|
|
instance_to_stmt[""].clone()
|
|
} else {
|
|
unreachable!()
|
|
}
|
|
};
|
|
|
|
let task = CodeGenTask {
|
|
subst: Default::default(),
|
|
symbol_name: "__modinit__".to_string(),
|
|
body: instance.body,
|
|
signature,
|
|
resolver,
|
|
store,
|
|
unifier_index: instance.unifier_id,
|
|
calls: instance.calls,
|
|
id: 0,
|
|
};
|
|
let isa = self.isa;
|
|
let working_directory = self.working_directory.path().to_owned();
|
|
let f = Arc::new(WithCall::new(Box::new(move |module| {
|
|
let builder = PassManagerBuilder::create();
|
|
builder.set_optimization_level(OptimizationLevel::Default);
|
|
let passes = PassManager::create(());
|
|
builder.populate_module_pass_manager(&passes);
|
|
passes.run_on(module);
|
|
|
|
let (triple, features) = match isa {
|
|
Isa::Host => (
|
|
TargetMachine::get_default_triple(),
|
|
TargetMachine::get_host_cpu_features().to_string(),
|
|
),
|
|
Isa::RiscV32G => (
|
|
TargetTriple::create("riscv32-unknown-linux"),
|
|
"+a,+m,+f,+d".to_string(),
|
|
),
|
|
Isa::RiscV32IMA => (
|
|
TargetTriple::create("riscv32-unknown-linux"),
|
|
"+a,+m".to_string(),
|
|
),
|
|
Isa::CortexA9 => (
|
|
TargetTriple::create("armv7-unknown-linux-gnueabihf"),
|
|
"+dsp,+fp16,+neon,+vfp3".to_string(),
|
|
),
|
|
};
|
|
let target =
|
|
Target::from_triple(&triple).expect("couldn't create target from target triple");
|
|
let target_machine = target
|
|
.create_target_machine(
|
|
&triple,
|
|
"",
|
|
&features,
|
|
OptimizationLevel::Default,
|
|
RelocMode::PIC,
|
|
CodeModel::Default,
|
|
)
|
|
.expect("couldn't create target machine");
|
|
target_machine
|
|
.write_to_file(
|
|
module,
|
|
FileType::Object,
|
|
&working_directory.join(&format!("{}.o", module.get_name().to_str().unwrap())),
|
|
)
|
|
.expect("couldn't write module to file");
|
|
})));
|
|
let thread_names: Vec<String> = (0..4).map(|i| format!("module{}", i)).collect();
|
|
let threads: Vec<_> = thread_names
|
|
.iter()
|
|
.map(|s| Box::new(ArtiqCodeGenerator::new(s.to_string(), self.time_fns)))
|
|
.collect();
|
|
|
|
py.allow_threads(|| {
|
|
let (registry, handles) = WorkerRegistry::create_workers(threads, top_level.clone(), f);
|
|
registry.add_task(task);
|
|
registry.wait_tasks_complete(handles);
|
|
});
|
|
|
|
let mut linker_args = vec![
|
|
"-shared".to_string(),
|
|
"--eh-frame-hdr".to_string(),
|
|
"-x".to_string(),
|
|
"-o".to_string(),
|
|
filename.to_string(),
|
|
];
|
|
if isa != Isa::Host {
|
|
linker_args.push(
|
|
"-T".to_string()
|
|
+ self
|
|
.working_directory
|
|
.path()
|
|
.join("kernel.ld")
|
|
.to_str()
|
|
.unwrap(),
|
|
);
|
|
}
|
|
linker_args.extend(thread_names.iter().map(|name| {
|
|
let name_o = name.to_owned() + ".o";
|
|
self.working_directory
|
|
.path()
|
|
.join(name_o.as_str())
|
|
.to_str()
|
|
.unwrap()
|
|
.to_string()
|
|
}));
|
|
if let Ok(linker_status) = Command::new("ld.lld").args(linker_args).status() {
|
|
if !linker_status.success() {
|
|
return Err(exceptions::PyRuntimeError::new_err(
|
|
"failed to start linker",
|
|
));
|
|
}
|
|
} else {
|
|
return Err(exceptions::PyRuntimeError::new_err(
|
|
"linker returned non-zero status code",
|
|
));
|
|
}
|
|
|
|
Ok(())
|
|
}
|
|
|
|
fn compile_method_to_mem(
|
|
&mut self,
|
|
obj: &PyAny,
|
|
method_name: &str,
|
|
args: Vec<&PyAny>,
|
|
py: Python,
|
|
) -> PyResult<PyObject> {
|
|
let filename_path = self.working_directory.path().join("module.elf");
|
|
let filename = filename_path.to_str().unwrap();
|
|
self.compile_method_to_file(obj, method_name, args, filename, py)?;
|
|
Ok(PyBytes::new(py, &fs::read(filename).unwrap()).into())
|
|
}
|
|
}
|
|
|
|
#[pymodule]
|
|
fn nac3artiq(_py: Python, m: &PyModule) -> PyResult<()> {
|
|
Target::initialize_all(&InitializationConfig::default());
|
|
m.add_class::<Nac3>()?;
|
|
Ok(())
|
|
}
|