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feat!: Make qis-compiler callable from Rust crates #1428

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feat!: Make qis-compiler callable from Rust crates #1428

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4 changes: 2 additions & 2 deletions qis-compiler/Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -11,11 +11,11 @@ edition = "2024"
[lib]
name = "selene_hugr_qis_compiler"
path = "rust/lib.rs"
crate-type = ["cdylib"]
crate-type = ["cdylib", "rlib"]

[dependencies]
anyhow.workspace = true
pyo3 = { workspace = true, features = ["abi3-py310", "anyhow"] }
pyo3 = { workspace = true, features = ["abi3-py310", "anyhow"], optional = true }
serde_json.workspace = true
tracing.workspace = true
itertools.workspace = true
Expand Down
12 changes: 8 additions & 4 deletions qis-compiler/rust/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@ use inkwell::targets::{
CodeModel, InitializationConfig, RelocMode, Target, TargetMachine, TargetTriple,
};
use itertools::Itertools;
#[cfg(feature = "pyo3")]
use pyo3::prelude::*;
use tket::hugr::ops::DataflowParent;

Expand Down Expand Up @@ -45,11 +46,12 @@ use tket_qsystem::llvm::{
random::RandomCodegenExtension, result::ResultsCodegenExtension, utils::UtilsCodegenExtension,
};
use tracing::{Level, event, instrument};
#[cfg(feature = "pyo3")]
use utils::read_hugr_envelope;

mod gpu;
mod selene_specific;
mod utils;
pub mod utils;

const LLVM_MAIN: &str = "qmain";
const METADATA: &[(&str, &[&str])] = &[("name", &["mainlib"])];
Expand Down Expand Up @@ -278,7 +280,7 @@ fn wrap_main<'c>(
}

#[derive(Debug)]
struct CompileArgs<'a> {
pub struct CompileArgs<'a> {
/// Entry point symbol
entry: Option<String>,
/// LLVM module name
Expand All @@ -292,7 +294,7 @@ struct CompileArgs<'a> {
}

impl<'a> CompileArgs<'a> {
fn new(
pub fn new(
name: &impl ToString,
target_machine: &'a TargetMachine,
opt_level: OptimizationLevel,
Expand All @@ -310,7 +312,7 @@ impl<'a> CompileArgs<'a> {
/// Compile the given HUGR to an LLVM module.
/// This function is the primary entry point for the compiler.
#[instrument(skip(ctx, hugr),parent = None)]
fn compile<'c, 'hugr: 'c>(
pub fn compile<'c, 'hugr: 'c>(
args: &CompileArgs,
ctx: &'c Context,
hugr: &'hugr mut Hugr,
Expand Down Expand Up @@ -408,11 +410,13 @@ pub fn get_opt_level(opt_level: u32) -> Result<OptimizationLevel> {
}

// -------------------- Python bindings -----------------------
#[cfg(feature = "pyo3")]
mod exceptions {
use pyo3::exceptions::PyException;

pyo3::create_exception!(selene_hugr_qis_compiler, HugrReadError, PyException);
}
#[cfg(feature = "pyo3")]
#[pymodule]
mod selene_hugr_qis_compiler {
use super::{
Expand Down
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