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refactor(kernel): build the kernel as a native Rust library without Node-API #551
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| //! Internal extraction/parity probe, not a distributed CodeGraph CLI. | ||
| use codegraph_kernel::{contract_info, extract_native, NativeExtractBuffers}; | ||
| use sha2::{Digest, Sha256}; | ||
| use std::{error::Error, fs, path::Path, time::Instant}; | ||
|
|
||
| fn tables(output: &NativeExtractBuffers) -> [(&str, &[u8]); 6] { | ||
| [ | ||
| ("meta", &output.meta), | ||
| ("nodes", &output.nodes), | ||
| ("edges", &output.edges), | ||
| ("refs", &output.refs), | ||
| ("bindings", &output.bindings), | ||
| ("arena", &output.arena), | ||
| ] | ||
| } | ||
|
|
||
| fn main() -> Result<(), Box<dyn Error>> { | ||
| let args: Vec<String> = std::env::args().skip(1).collect(); | ||
| if args.first().map(String::as_str) == Some("--bench") && args.len() == 2 { | ||
| // TSV rows are source path, language, and logical graph path. Load | ||
| // once before timing, just as the production-addon benchmark does. | ||
| let manifest = fs::read_to_string(&args[1])?; | ||
| let inputs = manifest | ||
| .lines() | ||
| .map(|line| { | ||
| let columns: Vec<_> = line.split('\t').collect(); | ||
| if columns.len() != 3 { | ||
| return Err("expected source, language, path".into()); | ||
| } | ||
| Ok(( | ||
| columns[2].to_owned(), | ||
| fs::read_to_string(columns[0])?, | ||
| columns[1].to_owned(), | ||
| )) | ||
| }) | ||
| .collect::<Result<Vec<_>, Box<dyn Error>>>()?; | ||
| if inputs.is_empty() { | ||
| return Err("empty input manifest".into()); | ||
| } | ||
| let mut last: Vec<Option<NativeExtractBuffers>> = (0..inputs.len()).map(|_| None).collect(); | ||
| let iterations = 100; | ||
| let mut bytes: usize = 0; | ||
| let start = Instant::now(); | ||
| for _ in 0..iterations { | ||
| for (index, (path, content, language)) in inputs.iter().enumerate() { | ||
| let output = extract_native(path, content, language)?; | ||
| bytes += tables(&output) | ||
| .iter() | ||
| .map(|(_, table)| table.len()) | ||
| .sum::<usize>(); | ||
| last[index] = Some(output); | ||
| } | ||
| } | ||
| let elapsed_ms = start.elapsed().as_secs_f64() * 1000.0; | ||
| let mut hash = Sha256::new(); | ||
| for output in last.into_iter().flatten() { | ||
| for (name, table) in tables(&output) { | ||
| if name == "meta" { | ||
| if table.len() != 40 { | ||
| return Err("unexpected metadata layout".into()); | ||
| } | ||
| let duration = f64::from_le_bytes(table[28..36].try_into()?); | ||
| if !duration.is_finite() || duration < 0.0 { | ||
| return Err("invalid duration".into()); | ||
| } | ||
| hash.update(&table[..28]); | ||
| hash.update(&table[36..]); | ||
| } else { | ||
| hash.update(table); | ||
| } | ||
| } | ||
| } | ||
| let contract = contract_info(); | ||
| println!("{{\"files\":{},\"iterations\":{},\"bytes\":{},\"elapsedMs\":{},\"outputHash\":\"{:x}\",\"contract\":{{\"abiVersion\":{},\"kernelVersion\":{:?},\"nodeKinds\":{:?},\"edgeKinds\":{:?},\"languages\":{:?}}}}}", | ||
| inputs.len() * iterations, iterations, bytes, elapsed_ms, hash.finalize(), | ||
| contract.abi_version, contract.kernel_version, contract.node_kinds, contract.edge_kinds, contract.languages); | ||
| return Ok(()); | ||
| } | ||
| if !(args.len() == 3 || args.len() == 4) { | ||
| return Err("usage: extract-native <source> <language> <output-dir> [logical-path]; or --bench <manifest.tsv>".into()); | ||
| } | ||
| let content = fs::read_to_string(&args[0])?; | ||
| let output = extract_native(args.get(3).unwrap_or(&args[0]), &content, &args[1])?; | ||
| fs::create_dir_all(&args[2])?; | ||
| for (name, table) in tables(&output) { | ||
| fs::write(Path::new(&args[2]).join(format!("{name}.bin")), table)?; | ||
| } | ||
| Ok(()) | ||
| } |
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