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nac3/nac3artiq/src/lib.rs

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use std::collections::{HashMap, HashSet};
use std::fs;
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use std::process::Command;
use std::rc::Rc;
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use std::sync::Arc;
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use inkwell::{
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memory_buffer::MemoryBuffer,
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passes::{PassManager, PassManagerBuilder},
targets::*,
OptimizationLevel,
};
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use nac3parser::{
ast::{self, Stmt, StrRef},
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parser::{self, parse_program},
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};
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use pyo3::prelude::*;
use pyo3::{exceptions, types::PyBytes, types::PyDict, types::PySet};
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use parking_lot::{Mutex, RwLock};
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use nac3core::{
codegen::{concrete_type::ConcreteTypeStore, CodeGenTask, WithCall, WorkerRegistry},
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symbol_resolver::SymbolResolver,
toplevel::{composer::TopLevelComposer, DefinitionId, GenCall, TopLevelDef},
typecheck::typedef::{FunSignature, FuncArg},
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typecheck::{type_inferencer::PrimitiveStore, typedef::Type},
};
use tempfile::{self, TempDir};
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use crate::{
codegen::ArtiqCodeGenerator,
symbol_resolver::{InnerResolver, PythonHelper, Resolver},
};
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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;
#[derive(PartialEq, Clone, Copy)]
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enum Isa {
Host,
RiscV32G,
RiscV32IMA,
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CortexA9,
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}
#[derive(Clone)]
pub struct PrimitivePythonId {
int: u64,
int32: u64,
int64: u64,
float: u64,
bool: u64,
list: u64,
tuple: u64,
typevar: u64,
none: u64,
generic_alias: (u64, u64),
virtual_id: u64,
}
type TopLevelComponent = (Stmt, String, PyObject);
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// TopLevelComposer is unsendable as it holds the unification table, which is
// 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,
builtins: Vec<(StrRef, FunSignature, Arc<GenCall>)>,
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builtins_ty: HashMap<StrRef, Type>,
builtins_def: HashMap<StrRef, DefinitionId>,
pyid_to_def: Arc<RwLock<HashMap<u64, DefinitionId>>>,
pyid_to_type: Arc<RwLock<HashMap<u64, Type>>>,
primitive_ids: PrimitivePythonId,
global_value_ids: Arc<Mutex<HashSet<u64>>>,
working_directory: TempDir,
top_levels: Vec<TopLevelComponent>,
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}
impl Nac3 {
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fn register_module(
&mut self,
module: PyObject,
registered_class_ids: &HashSet<u64>,
) -> PyResult<()> {
let (module_name, source_file) = Python::with_gil(|py| -> PyResult<(String, String)> {
let module: &PyAny = module.extract(py)?;
Ok((
module.getattr("__name__")?.extract()?,
module.getattr("__file__")?.extract()?,
))
})?;
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let source = fs::read_to_string(source_file).map_err(|e| {
exceptions::PyIOError::new_err(format!("failed to read input file: {}", e))
})?;
let parser_result = parser::parse_program(&source)
.map_err(|e| exceptions::PySyntaxError::new_err(format!("parse error: {}", e)))?;
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for mut stmt in parser_result.into_iter() {
let include = match stmt.node {
ast::StmtKind::ClassDef {
ref decorator_list,
ref mut body,
ref mut bases,
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..
} => {
let nac3_class = decorator_list.iter().any(|decorator| {
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if let ast::ExprKind::Name { id, .. } = decorator.node {
id.to_string() == "nac3"
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} else {
false
}
});
if !nac3_class {
continue;
}
// Drop unregistered (i.e. host-only) base classes.
bases.retain(|base| {
Python::with_gil(|py| -> PyResult<bool> {
let id_fn = PyModule::import(py, "builtins")?.getattr("id")?;
match &base.node {
ast::ExprKind::Name { id, .. } => {
let base_obj = module.getattr(py, id.to_string())?;
let base_id = id_fn.call1((base_obj,))?.extract()?;
Ok(registered_class_ids.contains(&base_id))
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}
_ => Ok(true),
}
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})
.unwrap()
});
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body.retain(|stmt| {
if let ast::StmtKind::FunctionDef {
ref decorator_list, ..
} = stmt.node
{
decorator_list.iter().any(|decorator| {
if let ast::ExprKind::Name { id, .. } = decorator.node {
id.to_string() == "kernel" || id.to_string() == "portable"
} else {
false
}
})
} else {
true
}
});
true
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}
ast::StmtKind::FunctionDef {
ref decorator_list, ..
} => decorator_list.iter().any(|decorator| {
if let ast::ExprKind::Name { id, .. } = decorator.node {
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let id = id.to_string();
id == "extern" || id == "portable" || id == "kernel"
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} else {
false
}
}),
_ => false,
};
if include {
self.top_levels
.push((stmt, module_name.clone(), module.clone()));
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}
}
Ok(())
}
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}
#[pymethods]
impl Nac3 {
#[new]
fn new(isa: &str, py: Python) -> PyResult<Self> {
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let isa = match isa {
"host" => Isa::Host,
"rv32g" => Isa::RiscV32G,
"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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};
let time_fns: &(dyn TimeFns + Sync) = match isa {
Isa::Host => &timeline::EXTERN_TIME_FNS,
Isa::RiscV32G => &timeline::NOW_PINNING_TIME_FNS_64,
Isa::RiscV32IMA => &timeline::NOW_PINNING_TIME_FNS,
Isa::CortexA9 => &timeline::EXTERN_TIME_FNS,
};
let primitive: PrimitiveStore = TopLevelComposer::make_primitives().0;
let builtins = vec![
(
"now_mu".into(),
FunSignature {
args: vec![],
ret: primitive.int64,
vars: HashMap::new(),
},
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Arc::new(GenCall::new(Box::new(move |ctx, _, _, _| {
Some(time_fns.emit_now_mu(ctx))
}))),
),
(
"at_mu".into(),
FunSignature {
args: vec![FuncArg {
name: "t".into(),
ty: primitive.int64,
default_value: None,
}],
ret: primitive.none,
vars: HashMap::new(),
},
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Arc::new(GenCall::new(Box::new(move |ctx, _, _, args| {
time_fns.emit_at_mu(ctx, args[0].1);
None
}))),
),
(
"delay_mu".into(),
FunSignature {
args: vec![FuncArg {
name: "dt".into(),
ty: primitive.int64,
default_value: None,
}],
ret: primitive.none,
vars: HashMap::new(),
},
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Arc::new(GenCall::new(Box::new(move |ctx, _, _, args| {
time_fns.emit_delay_mu(ctx, args[0].1);
None
}))),
),
];
let (_, builtins_def, builtins_ty) = TopLevelComposer::new(builtins.clone());
let builtins_mod = PyModule::import(py, "builtins").unwrap();
let id_fn = builtins_mod.getattr("id").unwrap();
let numpy_mod = PyModule::import(py, "numpy").unwrap();
let typing_mod = PyModule::import(py, "typing").unwrap();
let types_mod = PyModule::import(py, "types").unwrap();
let primitive_ids = PrimitivePythonId {
virtual_id: id_fn
.call1((builtins_mod
.getattr("globals")
.unwrap()
.call0()
.unwrap()
.get_item("virtual")
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.unwrap(),))
.unwrap()
.extract()
.unwrap(),
generic_alias: (
id_fn
.call1((typing_mod.getattr("_GenericAlias").unwrap(),))
.unwrap()
.extract()
.unwrap(),
id_fn
.call1((types_mod.getattr("GenericAlias").unwrap(),))
.unwrap()
.extract()
.unwrap(),
),
none: id_fn
.call1((builtins_mod.getattr("None").unwrap(),))
.unwrap()
.extract()
.unwrap(),
typevar: id_fn
.call1((typing_mod.getattr("TypeVar").unwrap(),))
.unwrap()
.extract()
.unwrap(),
int: id_fn
.call1((builtins_mod.getattr("int").unwrap(),))
.unwrap()
.extract()
.unwrap(),
int32: id_fn
.call1((numpy_mod.getattr("int32").unwrap(),))
.unwrap()
.extract()
.unwrap(),
int64: id_fn
.call1((numpy_mod.getattr("int64").unwrap(),))
.unwrap()
.extract()
.unwrap(),
bool: id_fn
.call1((builtins_mod.getattr("bool").unwrap(),))
.unwrap()
.extract()
.unwrap(),
float: id_fn
.call1((builtins_mod.getattr("float").unwrap(),))
.unwrap()
.extract()
.unwrap(),
list: id_fn
.call1((builtins_mod.getattr("list").unwrap(),))
.unwrap()
.extract()
.unwrap(),
tuple: id_fn
.call1((builtins_mod.getattr("tuple").unwrap(),))
.unwrap()
.extract()
.unwrap(),
};
let working_directory = tempfile::Builder::new().prefix("nac3-").tempdir().unwrap();
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fs::write(
working_directory.path().join("kernel.ld"),
include_bytes!("kernel.ld"),
)
.unwrap();
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Ok(Nac3 {
isa,
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time_fns,
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primitive,
builtins,
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builtins_ty,
builtins_def,
primitive_ids,
top_levels: Default::default(),
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pyid_to_def: Default::default(),
pyid_to_type: Default::default(),
global_value_ids: Default::default(),
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working_directory,
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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) =
Python::with_gil(|py| -> PyResult<(HashMap<u64, PyObject>, HashSet<u64>)> {
let mut modules: HashMap<u64, PyObject> = HashMap::new();
let mut class_ids: HashSet<u64> = HashSet::new();
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let id_fn = PyModule::import(py, "builtins")?.getattr("id")?;
let getmodule_fn = PyModule::import(py, "inspect")?.getattr("getmodule")?;
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for function in functions.iter() {
let module = getmodule_fn.call1((function,))?.extract()?;
modules.insert(id_fn.call1((&module,))?.extract()?, module);
}
for class in classes.iter() {
let module = getmodule_fn.call1((class,))?.extract()?;
modules.insert(id_fn.call1((&module,))?.extract()?, module);
class_ids.insert(id_fn.call1((class,))?.extract()?);
}
Ok((modules, class_ids))
})?;
for module in modules.into_values() {
self.register_module(module, &class_ids)?;
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}
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Ok(())
}
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fn compile_method_to_file(
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&mut self,
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,
) -> PyResult<()> {
let (mut composer, _, _) = TopLevelComposer::new(self.builtins.clone());
let mut id_to_def = HashMap::new();
let mut id_to_type = HashMap::new();
let builtins = PyModule::import(py, "builtins")?;
let typings = PyModule::import(py, "typing")?;
let id_fn = builtins.getattr("id")?;
let helper = PythonHelper {
id_fn: builtins.getattr("id").unwrap().to_object(py),
len_fn: builtins.getattr("len").unwrap().to_object(py),
type_fn: builtins.getattr("type").unwrap().to_object(py),
origin_ty_fn: typings.getattr("get_origin").unwrap().to_object(py),
args_ty_fn: typings.getattr("get_args").unwrap().to_object(py),
};
let mut module_to_resolver_cache: HashMap<u64, _> = HashMap::new();
for (stmt, path, module) in self.top_levels.iter() {
let py_module: &PyAny = module.extract(py)?;
let module_id: u64 = id_fn.call1((py_module,))?.extract()?;
let helper = helper.clone();
let (name_to_pyid, resolver) = module_to_resolver_cache
.get(&module_id)
.cloned()
.unwrap_or_else(|| {
let mut name_to_pyid: HashMap<StrRef, u64> = HashMap::new();
let members: &PyDict =
py_module.getattr("__dict__").unwrap().cast_as().unwrap();
for (key, val) in members.iter() {
let key: &str = key.extract().unwrap();
let val = id_fn.call1((val,)).unwrap().extract().unwrap();
name_to_pyid.insert(key.into(), val);
}
let resolver = Arc::new(Resolver(Arc::new(InnerResolver {
id_to_type: self.builtins_ty.clone().into(),
id_to_def: self.builtins_def.clone().into(),
pyid_to_def: self.pyid_to_def.clone(),
pyid_to_type: self.pyid_to_type.clone(),
primitive_ids: self.primitive_ids.clone(),
global_value_ids: self.global_value_ids.clone(),
class_names: Default::default(),
name_to_pyid: name_to_pyid.clone(),
module: module.clone(),
helper,
})))
as Arc<dyn SymbolResolver + Send + Sync>;
let name_to_pyid = Rc::new(name_to_pyid);
module_to_resolver_cache
.insert(module_id, (name_to_pyid.clone(), resolver.clone()));
(name_to_pyid, resolver)
});
let (name, def_id, ty) = composer
.register_top_level(stmt.clone(), Some(resolver.clone()), path.clone())
.unwrap();
let id = *name_to_pyid.get(&name).unwrap();
id_to_def.insert(id, def_id);
if let Some(ty) = ty {
id_to_type.insert(id, ty);
}
}
{
let mut map = self.pyid_to_def.write();
for (id, def) in id_to_def.into_iter() {
map.insert(id, def);
}
let mut map = self.pyid_to_type.write();
for (id, ty) in id_to_type.into_iter() {
map.insert(id, ty);
}
}
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let id_fun = PyModule::import(py, "builtins")?.getattr("id")?;
let mut name_to_pyid: HashMap<StrRef, u64> = HashMap::new();
let module = PyModule::new(py, "tmp")?;
module.add("base", obj)?;
name_to_pyid.insert("base".into(), id_fun.call1((obj,))?.extract()?);
let mut arg_names = vec![];
for (i, arg) in args.into_iter().enumerate() {
let name = format!("tmp{}", i);
module.add(&name, arg)?;
name_to_pyid.insert(name.clone().into(), id_fun.call1((arg,))?.extract()?);
arg_names.push(name);
}
let synthesized = if method_name.is_empty() {
format!("def __modinit__():\n base({})", arg_names.join(", "))
} else {
format!(
"def __modinit__():\n base.{}({})",
method_name,
arg_names.join(", ")
)
};
let mut synthesized = parse_program(&synthesized).unwrap();
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let builtins = PyModule::import(py, "builtins")?;
let typings = PyModule::import(py, "typing")?;
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let helper = PythonHelper {
id_fn: builtins.getattr("id").unwrap().to_object(py),
len_fn: builtins.getattr("len").unwrap().to_object(py),
type_fn: builtins.getattr("type").unwrap().to_object(py),
origin_ty_fn: typings.getattr("get_origin").unwrap().to_object(py),
args_ty_fn: typings.getattr("get_args").unwrap().to_object(py),
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};
let resolver = Arc::new(Resolver(Arc::new(InnerResolver {
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id_to_type: self.builtins_ty.clone().into(),
id_to_def: self.builtins_def.clone().into(),
pyid_to_def: self.pyid_to_def.clone(),
pyid_to_type: self.pyid_to_type.clone(),
primitive_ids: self.primitive_ids.clone(),
global_value_ids: self.global_value_ids.clone(),
class_names: Default::default(),
name_to_pyid,
module: module.to_object(py),
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helper,
}))) as Arc<dyn SymbolResolver + Send + Sync>;
let (_, def_id, _) = composer
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.register_top_level(
synthesized.pop().unwrap(),
Some(resolver.clone()),
"".into(),
)
.unwrap();
let signature = FunSignature {
args: vec![],
ret: self.primitive.none,
vars: HashMap::new(),
};
let mut store = ConcreteTypeStore::new();
let mut cache = HashMap::new();
let signature = store.from_signature(
&mut composer.unifier,
&self.primitive,
&signature,
&mut cache,
);
let signature = store.add_cty(signature);
composer.start_analysis(true).unwrap();
let top_level = Arc::new(composer.make_top_level_context());
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let instance = {
let defs = top_level.definitions.read();
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let mut definition = defs[def_id.0].write();
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if let TopLevelDef::Function {
instance_to_stmt,
instance_to_symbol,
..
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} = &mut *definition
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{
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instance_to_symbol.insert("".to_string(), "__modinit__".into());
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instance_to_stmt[""].clone()
} else {
unreachable!()
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}
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};
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let task = CodeGenTask {
subst: Default::default(),
symbol_name: "__modinit__".to_string(),
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body: instance.body,
signature,
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resolver,
store,
unifier_index: instance.unifier_id,
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calls: instance.calls,
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id: 0,
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};
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let isa = self.isa;
let working_directory = self.working_directory.path().to_owned();
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let membuffers: Arc<Mutex<Vec<Vec<u8>>>> = Default::default();
let membuffer = membuffers.clone();
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let f = Arc::new(WithCall::new(Box::new(move |module| {
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let buffer = module.write_bitcode_to_memory();
let buffer = buffer.as_slice().into();
membuffer.lock().push(buffer);
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})));
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let thread_names: Vec<String> = (0..4).map(|_| "main".to_string()).collect();
let threads: Vec<_> = thread_names
.iter()
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.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);
});
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let buffers = membuffers.lock();
let context = inkwell::context::Context::create();
let main = context
.create_module_from_ir(MemoryBuffer::create_from_memory_range(&buffers[0], "main"))
.unwrap();
for buffer in buffers.iter().skip(1) {
let other = context
.create_module_from_ir(MemoryBuffer::create_from_memory_range(buffer, "main"))
.unwrap();
main.link_in_module(other)
.map_err(|err| exceptions::PyRuntimeError::new_err(err.to_string()))?;
}
let mut function_iter = main.get_first_function();
while let Some(func) = function_iter {
if func.count_basic_blocks() > 0 && func.get_name().to_str().unwrap() != "__modinit__" {
func.set_linkage(inkwell::module::Linkage::Private);
}
function_iter = func.get_next_function();
}
let builder = PassManagerBuilder::create();
builder.set_optimization_level(OptimizationLevel::Aggressive);
let passes = PassManager::create(());
builder.set_inliner_with_threshold(255);
builder.populate_module_pass_manager(&passes);
passes.run_on(&main);
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(&main, FileType::Object, &working_directory.join("module.o"))
.expect("couldn't write module to file");
let mut linker_args = vec![
"-shared".to_string(),
"--eh-frame-hdr".to_string(),
"-x".to_string(),
"-o".to_string(),
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filename.to_string(),
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working_directory
.join("module.o")
.to_string_lossy()
.to_string(),
];
if isa != Isa::Host {
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linker_args.push(
"-T".to_string()
+ self
.working_directory
.path()
.join("kernel.ld")
.to_str()
.unwrap(),
);
}
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if let Ok(linker_status) = Command::new("ld.lld").args(linker_args).status() {
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if !linker_status.success() {
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return Err(exceptions::PyRuntimeError::new_err(
"failed to start linker",
));
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}
} else {
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return Err(exceptions::PyRuntimeError::new_err(
"linker returned non-zero status code",
));
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}
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Ok(())
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}
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fn compile_method_to_mem(
&mut self,
obj: &PyAny,
method_name: &str,
args: Vec<&PyAny>,
py: Python,
) -> PyResult<PyObject> {
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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())
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}
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}
#[pymodule]
fn nac3artiq(_py: Python, m: &PyModule) -> PyResult<()> {
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Target::initialize_all(&InitializationConfig::default());
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m.add_class::<Nac3>()?;
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Ok(())
}