nac3/nac3artiq/src/lib.rs

1061 lines
42 KiB
Rust

use std::collections::{HashMap, HashSet};
use std::fs;
use std::io::Write;
use std::process::Command;
use std::rc::Rc;
use std::sync::Arc;
use inkwell::{
memory_buffer::MemoryBuffer,
module::{Linkage, Module},
passes::PassBuilderOptions,
support::is_multithreaded,
targets::*,
OptimizationLevel,
};
use nac3core::codegen::{CodeGenLLVMOptions, CodeGenTargetMachineOptions, gen_func_impl};
use nac3core::toplevel::builtins::get_exn_constructor;
use nac3core::typecheck::typedef::{TypeEnum, Unifier};
use nac3parser::{
ast::{self, ExprKind, Stmt, StmtKind, StrRef},
parser::{self, parse_program},
};
use pyo3::prelude::*;
use pyo3::{exceptions, types::PyBytes, types::PyDict, types::PySet};
use pyo3::create_exception;
use parking_lot::{Mutex, RwLock};
use nac3core::{
codegen::irrt::load_irrt,
codegen::{concrete_type::ConcreteTypeStore, CodeGenTask, WithCall, WorkerRegistry},
symbol_resolver::SymbolResolver,
toplevel::{
composer::{ComposerConfig, TopLevelComposer},
DefinitionId, GenCall, TopLevelDef,
},
typecheck::typedef::{FunSignature, FuncArg},
typecheck::{type_inferencer::PrimitiveStore, typedef::Type},
};
use nac3ld::Linker;
use tempfile::{self, TempDir};
use crate::codegen::attributes_writeback;
use crate::{
codegen::{rpc_codegen_callback, ArtiqCodeGenerator},
symbol_resolver::{InnerResolver, PythonHelper, Resolver, DeferredEvaluationStore},
};
mod codegen;
mod symbol_resolver;
mod timeline;
use timeline::TimeFns;
#[derive(PartialEq, Clone, Copy)]
enum Isa {
Host,
RiscV32G,
RiscV32IMA,
CortexA9,
}
#[derive(Clone)]
pub struct PrimitivePythonId {
int: u64,
int32: u64,
int64: u64,
uint32: u64,
uint64: u64,
float: u64,
float64: u64,
bool: u64,
list: u64,
tuple: u64,
typevar: u64,
none: u64,
exception: u64,
generic_alias: (u64, u64),
virtual_id: u64,
option: u64,
}
type TopLevelComponent = (Stmt, String, PyObject);
// TopLevelComposer is unsendable as it holds the unification table, which is
// unsendable due to Rc. Arc would cause a performance hit.
#[pyclass(unsendable, name = "NAC3")]
struct Nac3 {
isa: Isa,
time_fns: &'static (dyn TimeFns + Sync),
primitive: PrimitiveStore,
builtins: Vec<(StrRef, FunSignature, Arc<GenCall>)>,
pyid_to_def: Arc<RwLock<HashMap<u64, DefinitionId>>>,
primitive_ids: PrimitivePythonId,
working_directory: TempDir,
top_levels: Vec<TopLevelComponent>,
string_store: Arc<RwLock<HashMap<String, i32>>>,
exception_ids: Arc<RwLock<HashMap<usize, usize>>>,
deferred_eval_store: DeferredEvaluationStore,
/// LLVM-related options for code generation.
llvm_options: CodeGenLLVMOptions,
}
create_exception!(nac3artiq, CompileError, exceptions::PyException);
impl Nac3 {
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()?))
})?;
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, source_file.into())
.map_err(|e| exceptions::PySyntaxError::new_err(format!("parse error: {}", e)))?;
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, ..
} => {
let nac3_class = decorator_list.iter().any(|decorator| {
if let ast::ExprKind::Name { id, .. } = decorator.node {
id.to_string() == "nac3"
} 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, .. } => {
if *id == "Exception".into() {
Ok(true)
} else {
let base_obj = module.getattr(py, id.to_string().as_str())?;
let base_id = id_fn.call1((base_obj,))?.extract()?;
Ok(registered_class_ids.contains(&base_id))
}
}
_ => Ok(true),
}
})
.unwrap()
});
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"
|| id.to_string() == "rpc"
} else {
false
}
})
} else {
true
}
});
true
}
ast::StmtKind::FunctionDef { ref decorator_list, .. } => {
decorator_list.iter().any(|decorator| {
if let ast::ExprKind::Name { id, .. } = decorator.node {
let id = id.to_string();
id == "extern" || id == "portable" || id == "kernel" || id == "rpc"
} else {
false
}
})
}
_ => false,
};
if include {
self.top_levels.push((stmt, module_name.clone(), module.clone()));
}
}
Ok(())
}
fn report_modinit(
arg_names: &[String],
method_name: &str,
resolver: Arc<dyn SymbolResolver + Send + Sync>,
top_level_defs: &[Arc<RwLock<TopLevelDef>>],
unifier: &mut Unifier,
primitives: &PrimitiveStore,
) -> Option<String> {
let base_ty =
match resolver.get_symbol_type(unifier, top_level_defs, primitives, "base".into()) {
Ok(ty) => ty,
Err(e) => return Some(format!("type error inside object launching kernel: {}", e)),
};
let fun_ty = if method_name.is_empty() {
base_ty
} else if let TypeEnum::TObj { fields, .. } = &*unifier.get_ty(base_ty) {
match fields.get(&(*method_name).into()) {
Some(t) => t.0,
None => {
return Some(format!(
"object launching kernel does not have method `{}`",
method_name
))
}
}
} else {
return Some("cannot launch kernel by calling a non-callable".into());
};
if let TypeEnum::TFunc(FunSignature { args, .. }) = &*unifier.get_ty(fun_ty) {
if arg_names.len() > args.len() {
return Some(format!(
"launching kernel function with too many arguments (expect {}, found {})",
args.len(),
arg_names.len(),
));
}
for (i, FuncArg { ty, default_value, name }) in args.iter().enumerate() {
let in_name = match arg_names.get(i) {
Some(n) => n,
None if default_value.is_none() => {
return Some(format!(
"argument `{}` not provided when launching kernel function",
name
))
}
_ => break,
};
let in_ty = match resolver.get_symbol_type(
unifier,
top_level_defs,
primitives,
in_name.clone().into(),
) {
Ok(t) => t,
Err(e) => {
return Some(format!(
"type error ({}) at parameter #{} when calling kernel function",
e, i
))
}
};
if let Err(e) = unifier.unify(in_ty, *ty) {
return Some(format!(
"type error ({}) at parameter #{} when calling kernel function",
e.to_display(unifier).to_string(),
i
));
}
}
} else {
return Some("cannot launch kernel by calling a non-callable".into());
}
None
}
fn compile_method<T>(
&self,
obj: &PyAny,
method_name: &str,
args: Vec<&PyAny>,
embedding_map: &PyAny,
py: Python,
link_fn: &dyn Fn(&Module) -> PyResult<T>,
) -> PyResult<T> {
let (mut composer, mut builtins_def, mut builtins_ty) = TopLevelComposer::new(
self.builtins.clone(),
ComposerConfig { kernel_ann: Some("Kernel"), kernel_invariant_ann: "KernelInvariant" },
);
let builtins = PyModule::import(py, "builtins")?;
let typings = PyModule::import(py, "typing")?;
let id_fn = builtins.getattr("id")?;
let issubclass = builtins.getattr("issubclass")?;
let exn_class = builtins.getattr("Exception")?;
let store_obj = embedding_map.getattr("store_object").unwrap().to_object(py);
let store_str = embedding_map.getattr("store_str").unwrap().to_object(py);
let store_fun = embedding_map.getattr("store_function").unwrap().to_object(py);
let host_attributes = embedding_map.getattr("attributes_writeback").unwrap().to_object(py);
let global_value_ids: Arc<RwLock<HashMap<_, _>>> = Arc::new(RwLock::new(HashMap::new()));
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),
store_obj: store_obj.clone(),
store_str,
};
let pyid_to_type = Arc::new(RwLock::new(HashMap::<u64, Type>::new()));
let exception_names = [
"ZeroDivisionError",
"IndexError",
"ValueError",
"RuntimeError",
"AssertionError",
"KeyError",
"NotImplementedError",
"OverflowError",
"IOError",
"UnwrapNoneError",
];
add_exceptions(&mut composer, &mut builtins_def, &mut builtins_ty, &exception_names);
let mut module_to_resolver_cache: HashMap<u64, _> = HashMap::new();
let mut rpc_ids = vec![];
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 class_obj;
if let StmtKind::ClassDef { name, .. } = &stmt.node {
let class = py_module.getattr(name.to_string().as_str()).unwrap();
if issubclass.call1((class, exn_class)).unwrap().extract().unwrap() &&
class.getattr("artiq_builtin").is_err() {
class_obj = Some(class);
} else {
class_obj = None;
}
} else {
class_obj = None;
}
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().downcast().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: builtins_ty.clone().into(),
id_to_def: builtins_def.clone().into(),
pyid_to_def: self.pyid_to_def.clone(),
pyid_to_type: pyid_to_type.clone(),
primitive_ids: self.primitive_ids.clone(),
global_value_ids: global_value_ids.clone(),
class_names: Default::default(),
name_to_pyid: name_to_pyid.clone(),
module: module.clone(),
id_to_pyval: Default::default(),
id_to_primitive: Default::default(),
field_to_val: Default::default(),
helper,
string_store: self.string_store.clone(),
exception_ids: self.exception_ids.clone(),
deferred_eval_store: self.deferred_eval_store.clone(),
})))
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(), false)
.map_err(|e| {
CompileError::new_err(format!(
"compilation failed\n----------\n{}",
e
))
})?;
if let Some(class_obj) = class_obj {
self.exception_ids.write().insert(def_id.0, store_obj.call1(py, (class_obj, ))?.extract(py)?);
}
match &stmt.node {
StmtKind::FunctionDef { decorator_list, .. } => {
if decorator_list.iter().any(|decorator| matches!(decorator.node, ExprKind::Name { id, .. } if id == "rpc".into())) {
store_fun.call1(py, (def_id.0.into_py(py), module.getattr(py, name.to_string().as_str()).unwrap())).unwrap();
rpc_ids.push((None, def_id));
}
}
StmtKind::ClassDef { name, body, .. } => {
let class_name = name.to_string();
let class_obj = module.getattr(py, class_name.as_str()).unwrap();
for stmt in body.iter() {
if let StmtKind::FunctionDef { name, decorator_list, .. } = &stmt.node {
if decorator_list.iter().any(|decorator| matches!(decorator.node, ExprKind::Name { id, .. } if id == "rpc".into())) {
if name == &"__init__".into() {
return Err(CompileError::new_err(format!(
"compilation failed\n----------\nThe constructor of class {} should not be decorated with rpc decorator (at {})",
class_name, stmt.location
)));
}
rpc_ids.push((Some((class_obj.clone(), *name)), def_id));
}
}
}
}
_ => ()
}
let id = *name_to_pyid.get(&name).unwrap();
self.pyid_to_def.write().insert(id, def_id);
{
let mut pyid_to_ty = pyid_to_type.write();
if let Some(ty) = ty {
pyid_to_ty.insert(id, ty);
}
}
}
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, "<nac3_synthesized_modinit>".to_string().into()).unwrap();
let inner_resolver = Arc::new(InnerResolver {
id_to_type: builtins_ty.clone().into(),
id_to_def: builtins_def.clone().into(),
pyid_to_def: self.pyid_to_def.clone(),
pyid_to_type: pyid_to_type.clone(),
primitive_ids: self.primitive_ids.clone(),
global_value_ids: global_value_ids.clone(),
class_names: Default::default(),
id_to_pyval: Default::default(),
id_to_primitive: Default::default(),
field_to_val: Default::default(),
name_to_pyid,
module: module.to_object(py),
helper,
string_store: self.string_store.clone(),
exception_ids: self.exception_ids.clone(),
deferred_eval_store: self.deferred_eval_store.clone(),
});
let resolver = Arc::new(Resolver(inner_resolver.clone())) as Arc<dyn SymbolResolver + Send + Sync>;
let (_, def_id, _) = composer
.register_top_level(synthesized.pop().unwrap(), Some(resolver.clone()), "".into(), false)
.unwrap();
let fun_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, &fun_signature, &mut cache);
let signature = store.add_cty(signature);
if let Err(e) = composer.start_analysis(true) {
// report error of __modinit__ separately
if !e.contains("<nac3_synthesized_modinit>") {
return Err(CompileError::new_err(format!(
"compilation failed\n----------\n{}",
e
)));
} else {
let msg = Self::report_modinit(
&arg_names,
method_name,
resolver.clone(),
&composer.extract_def_list(),
&mut composer.unifier,
&self.primitive,
);
return Err(CompileError::new_err(format!(
"compilation failed\n----------\n{}",
msg.unwrap_or(e)
)));
}
}
let top_level = Arc::new(composer.make_top_level_context());
{
let rpc_codegen = rpc_codegen_callback();
let defs = top_level.definitions.read();
for (class_data, id) in rpc_ids.iter() {
let mut def = defs[id.0].write();
match &mut *def {
TopLevelDef::Function { codegen_callback, .. } => {
*codegen_callback = Some(rpc_codegen.clone());
}
TopLevelDef::Class { methods, .. } => {
let (class_def, method_name) = class_data.as_ref().unwrap();
for (name, _, id) in methods.iter() {
if name != method_name {
continue;
}
if let TopLevelDef::Function { codegen_callback, .. } =
&mut *defs[id.0].write()
{
*codegen_callback = Some(rpc_codegen.clone());
store_fun
.call1(
py,
(
id.0.into_py(py),
class_def.getattr(py, name.to_string().as_str()).unwrap(),
),
)
.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: resolver.clone(),
store,
unifier_index: instance.unifier_id,
calls: instance.calls,
id: 0,
};
let mut store = ConcreteTypeStore::new();
let mut cache = HashMap::new();
let signature =
store.from_signature(&mut composer.unifier, &self.primitive, &fun_signature, &mut cache);
let signature = store.add_cty(signature);
let attributes_writeback_task = CodeGenTask {
subst: Default::default(),
symbol_name: "attributes_writeback".to_string(),
body: Arc::new(Default::default()),
signature,
resolver,
store,
unifier_index: instance.unifier_id,
calls: Arc::new(Default::default()),
id: 0,
};
let membuffers: Arc<Mutex<Vec<Vec<u8>>>> = Default::default();
let membuffer = membuffers.clone();
let f = Arc::new(WithCall::new(Box::new(move |module| {
let buffer = module.write_bitcode_to_memory();
let buffer = buffer.as_slice().into();
membuffer.lock().push(buffer);
})));
let size_t = if self.isa == Isa::Host { 64 } else { 32 };
let num_threads = if is_multithreaded() { 4 } else { 1 };
let thread_names: Vec<String> = (0..num_threads).map(|_| "main".to_string()).collect();
let threads: Vec<_> = thread_names
.iter()
.map(|s| Box::new(ArtiqCodeGenerator::new(s.to_string(), size_t, self.time_fns)))
.collect();
let membuffer = membuffers.clone();
py.allow_threads(|| {
let (registry, handles) = WorkerRegistry::create_workers(
threads,
top_level.clone(),
&self.llvm_options,
f
);
registry.add_task(task);
registry.wait_tasks_complete(handles);
let mut generator = ArtiqCodeGenerator::new("attributes_writeback".to_string(), size_t, self.time_fns);
let context = inkwell::context::Context::create();
let module = context.create_module("attributes_writeback");
let builder = context.create_builder();
let (_, module, _) = gen_func_impl(&context, &mut generator, &registry, builder, module,
attributes_writeback_task, |generator, ctx| {
attributes_writeback(ctx, generator, inner_resolver.as_ref(), host_attributes)
}).unwrap();
let buffer = module.write_bitcode_to_memory();
let buffer = buffer.as_slice().into();
membuffer.lock().push(buffer);
});
let context = inkwell::context::Context::create();
let buffers = membuffers.lock();
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| CompileError::new_err(err.to_string()))?;
}
let builder = context.create_builder();
let modinit_return = main.get_function("__modinit__").unwrap().get_last_basic_block().unwrap().get_terminator().unwrap();
builder.position_before(&modinit_return);
builder.build_call(main.get_function("attributes_writeback").unwrap(), &[], "attributes_writeback");
main.link_in_module(load_irrt(&context))
.map_err(|err| CompileError::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();
}
// Demote all global variables that will not be referenced in the kernel to private
let preserved_symbols: Vec<&'static [u8]> = vec![
b"typeinfo",
b"now",
];
let mut global_option = main.get_first_global();
while let Some(global) = global_option {
if !preserved_symbols.contains(&(global.get_name().to_bytes())) {
global.set_linkage(Linkage::Private);
}
global_option = global.get_next_global();
}
let target_machine = self.llvm_options.target
.create_target_machine(self.llvm_options.opt_level)
.expect("couldn't create target machine");
let pass_options = PassBuilderOptions::create();
pass_options.set_merge_functions(true);
let passes = format!("default<O{}>", self.llvm_options.opt_level as u32);
let result = main.run_passes(passes.as_str(), &target_machine, pass_options);
if let Err(err) = result {
panic!("Failed to run optimization for module `main`: {}", err.to_string());
}
link_fn(&main)
}
/// Returns the [TargetTriple] used for compiling to [isa].
fn get_llvm_target_triple(isa: Isa) -> TargetTriple {
match isa {
Isa::Host => TargetMachine::get_default_triple(),
Isa::RiscV32G | Isa::RiscV32IMA => TargetTriple::create("riscv32-unknown-linux"),
Isa::CortexA9 => TargetTriple::create("armv7-unknown-linux-gnueabihf"),
}
}
/// Returns the [String] representing the target CPU used for compiling to [isa].
fn get_llvm_target_cpu(isa: Isa) -> String {
match isa {
Isa::Host => TargetMachine::get_host_cpu_name().to_string(),
Isa::RiscV32G | Isa::RiscV32IMA => "generic-rv32".to_string(),
Isa::CortexA9 => "cortex-a9".to_string(),
}
}
/// Returns the [String] representing the target features used for compiling to [isa].
fn get_llvm_target_features(isa: Isa) -> String {
match isa {
Isa::Host => TargetMachine::get_host_cpu_features().to_string(),
Isa::RiscV32G => "+a,+m,+f,+d".to_string(),
Isa::RiscV32IMA => "+a,+m".to_string(),
Isa::CortexA9 => "+dsp,+fp16,+neon,+vfp3,+long-calls".to_string(),
}
}
/// Returns an instance of [CodeGenTargetMachineOptions] representing the target machine
/// options used for compiling to [isa].
fn get_llvm_target_options(isa: Isa) -> CodeGenTargetMachineOptions {
CodeGenTargetMachineOptions {
triple: Nac3::get_llvm_target_triple(isa).as_str().to_string_lossy().into_owned(),
cpu: Nac3::get_llvm_target_cpu(isa),
features: Nac3::get_llvm_target_features(isa),
reloc_mode: RelocMode::PIC,
..CodeGenTargetMachineOptions::from_host()
}
}
/// Returns an instance of [TargetMachine] used in compiling and linking of a program to the
/// target [isa].
fn get_llvm_target_machine(&self) -> TargetMachine {
Nac3::get_llvm_target_options(self.isa)
.create_target_machine(self.llvm_options.opt_level)
.expect("couldn't create target machine")
}
}
fn link_with_lld(
elf_filename: String,
obj_filename: String,
) -> PyResult<()>{
let linker_args = vec![
"-shared".to_string(),
"--eh-frame-hdr".to_string(),
"-x".to_string(),
"-o".to_string(),
elf_filename,
obj_filename,
];
#[cfg(not(windows))]
let lld_command = "ld.lld";
#[cfg(windows)]
let lld_command = "ld.lld.exe";
if let Ok(linker_status) = Command::new(lld_command).args(linker_args).status() {
if !linker_status.success() {
return Err(CompileError::new_err("failed to start linker"));
}
} else {
return Err(CompileError::new_err(
"linker returned non-zero status code",
));
}
Ok(())
}
fn add_exceptions(
composer: &mut TopLevelComposer,
builtin_def: &mut HashMap<StrRef, DefinitionId>,
builtin_ty: &mut HashMap<StrRef, Type>,
error_names: &[&str]
) -> Vec<Type> {
let mut types = Vec::new();
// note: this is only for builtin exceptions, i.e. the exception name is "0:{exn}"
for name in error_names {
let def_id = composer.definition_ast_list.len();
let (exception_fn, exception_class, exception_cons, exception_type) = get_exn_constructor(
name,
// class id
def_id,
// constructor id
def_id + 1,
&mut composer.unifier,
&composer.primitives_ty
);
composer.definition_ast_list.push((Arc::new(RwLock::new(exception_class)), None));
composer.definition_ast_list.push((Arc::new(RwLock::new(exception_fn)), None));
builtin_ty.insert((*name).into(), exception_cons);
builtin_def.insert((*name).into(), DefinitionId(def_id));
types.push(exception_type);
}
types
}
#[pymethods]
impl Nac3 {
#[new]
fn new(isa: &str, py: Python) -> PyResult<Self> {
let isa = match isa {
"host" => Isa::Host,
"rv32g" => Isa::RiscV32G,
"rv32ima" => Isa::RiscV32IMA,
"cortexa9" => Isa::CortexA9,
_ => return Err(exceptions::PyValueError::new_err("invalid ISA")),
};
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() },
Arc::new(GenCall::new(Box::new(move |ctx, _, _, _, _| {
Ok(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(),
},
Arc::new(GenCall::new(Box::new(move |ctx, _, fun, args, generator| {
let arg_ty = fun.0.args[0].ty;
let arg = args[0].1.clone().to_basic_value_enum(ctx, generator, arg_ty).unwrap();
time_fns.emit_at_mu(ctx, arg);
Ok(None)
}))),
),
(
"delay_mu".into(),
FunSignature {
args: vec![FuncArg {
name: "dt".into(),
ty: primitive.int64,
default_value: None,
}],
ret: primitive.none,
vars: HashMap::new(),
},
Arc::new(GenCall::new(Box::new(move |ctx, _, fun, args, generator| {
let arg_ty = fun.0.args[0].ty;
let arg = args[0].1.clone().to_basic_value_enum(ctx, generator, arg_ty).unwrap();
time_fns.emit_delay_mu(ctx, arg);
Ok(None)
}))),
),
];
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 get_id = |x| id_fn.call1((x,)).unwrap().extract().unwrap();
let get_attr_id = |obj: &PyModule, attr| id_fn.call1((obj.getattr(attr).unwrap(),))
.unwrap().extract().unwrap();
let primitive_ids = PrimitivePythonId {
virtual_id: get_id(
builtins_mod
.getattr("globals")
.unwrap()
.call0()
.unwrap()
.get_item("virtual")
.unwrap(
)),
generic_alias: (
get_attr_id(typing_mod, "_GenericAlias"),
get_attr_id(types_mod, "GenericAlias"),
),
none: id_fn
.call1((builtins_mod
.getattr("globals")
.unwrap()
.call0()
.unwrap()
.get_item("none")
.unwrap(),))
.unwrap()
.extract()
.unwrap(),
typevar: get_attr_id(typing_mod, "TypeVar"),
int: get_attr_id(builtins_mod, "int"),
int32: get_attr_id(numpy_mod, "int32"),
int64: get_attr_id(numpy_mod, "int64"),
uint32: get_attr_id(numpy_mod, "uint32"),
uint64: get_attr_id(numpy_mod, "uint64"),
bool: get_attr_id(builtins_mod, "bool"),
float: get_attr_id(builtins_mod, "float"),
float64: get_attr_id(numpy_mod, "float64"),
list: get_attr_id(builtins_mod, "list"),
tuple: get_attr_id(builtins_mod, "tuple"),
exception: get_attr_id(builtins_mod, "Exception"),
option: id_fn
.call1((builtins_mod
.getattr("globals")
.unwrap()
.call0()
.unwrap()
.get_item("Option")
.unwrap(),))
.unwrap()
.extract()
.unwrap(),
};
let working_directory = tempfile::Builder::new().prefix("nac3-").tempdir().unwrap();
fs::write(working_directory.path().join("kernel.ld"), include_bytes!("kernel.ld")).unwrap();
Ok(Nac3 {
isa,
time_fns,
primitive,
builtins,
primitive_ids,
top_levels: Default::default(),
pyid_to_def: Default::default(),
working_directory,
string_store: Default::default(),
exception_ids: Default::default(),
deferred_eval_store: DeferredEvaluationStore::new(),
llvm_options: CodeGenLLVMOptions {
opt_level: OptimizationLevel::Default,
target: Nac3::get_llvm_target_options(isa),
}
})
}
fn analyze(&mut self, functions: &PySet, classes: &PySet) -> PyResult<()> {
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();
let id_fn = PyModule::import(py, "builtins")?.getattr("id")?;
let getmodule_fn = PyModule::import(py, "inspect")?.getattr("getmodule")?;
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)?;
}
Ok(())
}
fn compile_method_to_file(
&mut self,
obj: &PyAny,
method_name: &str,
args: Vec<&PyAny>,
filename: &str,
embedding_map: &PyAny,
py: Python,
) -> PyResult<()> {
let target_machine = self.get_llvm_target_machine();
if self.isa == Isa::Host {
let link_fn = |module: &Module| {
let working_directory = self.working_directory.path().to_owned();
target_machine
.write_to_file(module, FileType::Object, &working_directory.join("module.o"))
.expect("couldn't write module to file");
link_with_lld(
filename.to_string(),
working_directory.join("module.o").to_string_lossy().to_string()
)?;
Ok(())
};
self.compile_method(obj, method_name, args, embedding_map, py, &link_fn)
} else {
let link_fn = |module: &Module| {
let object_mem = target_machine
.write_to_memory_buffer(module, FileType::Object)
.expect("couldn't write module to object file buffer");
if let Ok(dyn_lib) = Linker::ld(object_mem.as_slice()) {
if let Ok(mut file) = fs::File::create(filename) {
file.write_all(&dyn_lib).expect("couldn't write linked library to file");
Ok(())
} else {
Err(CompileError::new_err("failed to create file"))
}
} else {
Err(CompileError::new_err("linker failed to process object file"))
}
};
self.compile_method(obj, method_name, args, embedding_map, py, &link_fn)
}
}
fn compile_method_to_mem(
&mut self,
obj: &PyAny,
method_name: &str,
args: Vec<&PyAny>,
embedding_map: &PyAny,
py: Python,
) -> PyResult<PyObject> {
let target_machine = self.get_llvm_target_machine();
if self.isa == Isa::Host {
let link_fn = |module: &Module| {
let working_directory = self.working_directory.path().to_owned();
target_machine
.write_to_file(&module, FileType::Object, &working_directory.join("module.o"))
.expect("couldn't write module to file");
let filename_path = self.working_directory.path().join("module.elf");
let filename = filename_path.to_str().unwrap();
link_with_lld(
filename.to_string(),
working_directory.join("module.o").to_string_lossy().to_string()
)?;
Ok(PyBytes::new(py, &fs::read(filename).unwrap()).into())
};
self.compile_method(obj, method_name, args, embedding_map, py, &link_fn)
} else {
let link_fn = |module: &Module| {
let object_mem = target_machine
.write_to_memory_buffer(&module, FileType::Object)
.expect("couldn't write module to object file buffer");
if let Ok(dyn_lib) = Linker::ld(object_mem.as_slice()) {
Ok(PyBytes::new(py, &dyn_lib).into())
} else {
Err(CompileError::new_err("linker failed to process object file"))
}
};
self.compile_method(obj, method_name, args, embedding_map, py, &link_fn)
}
}
}
#[cfg(feature = "init-llvm-profile")]
extern "C" {
fn __llvm_profile_initialize();
}
#[pymodule]
fn nac3artiq(py: Python, m: &PyModule) -> PyResult<()> {
#[cfg(feature = "init-llvm-profile")]
unsafe {
__llvm_profile_initialize();
}
Target::initialize_all(&InitializationConfig::default());
m.add("CompileError", py.get_type::<CompileError>())?;
m.add_class::<Nac3>()?;
Ok(())
}