git.delta.rocks / jrsonnet / refs/commits / 64f3674f18c4

difftreelog

perf specialize super.field gets

Yaroslav Bolyukin2022-11-20parent: #30b370e.patch.diff
in: master

4 files changed

modifiedcmds/jrsonnet/src/main.rsdiffbeforeafterboth
before · cmds/jrsonnet/src/main.rs
1use std::{2	fs::{create_dir_all, File},3	io::{Read, Write},4};56use clap::{CommandFactory, Parser};7use clap_complete::Shell;8use jrsonnet_cli::{ConfigureState, GeneralOpts, ManifestOpts, OutputOpts, TraceOpts};9use jrsonnet_evaluator::{10	apply_tla,11	error::{Error as JrError, ErrorKind},12	throw, ResultExt, State, Val,13};1415#[cfg(feature = "mimalloc")]16#[global_allocator]17static GLOBAL: mimallocator::Mimalloc = mimallocator::Mimalloc;1819#[derive(Parser)]20enum SubOpts {21	/// Generate completions for specified shell22	Generate {23		/// Target shell name24		shell: Shell,25	},26}2728#[derive(Parser)]29#[clap(next_help_heading = "DEBUG")]30struct DebugOpts {31	/// Required OS stack size.32	/// This shouldn't be changed unless jrsonnet is failing with stack overflow error.33	#[clap(long, name = "size")]34	pub os_stack: Option<usize>,35}3637#[derive(Parser)]38#[clap(next_help_heading = "INPUT")]39struct InputOpts {40	/// Treat input as code, evaluate them instead of reading file41	#[clap(long, short = 'e')]42	pub exec: bool,4344	/// Path to the file to be compiled if `--evaluate` is unset, otherwise code itself45	pub input: Option<String>,46}4748#[derive(Parser)]49#[clap(args_conflicts_with_subcommands = true, disable_version_flag = true)]50struct Opts {51	#[clap(subcommand)]52	sub: Option<SubOpts>,5354	#[clap(flatten)]55	input: InputOpts,56	#[clap(flatten)]57	general: GeneralOpts,5859	#[clap(flatten)]60	trace: TraceOpts,61	#[clap(flatten)]62	manifest: ManifestOpts,63	#[clap(flatten)]64	output: OutputOpts,65	#[clap(flatten)]66	debug: DebugOpts,67}6869fn main() {70	let opts: Opts = Opts::parse();7172	if let Some(sub) = opts.sub {73		match sub {74			SubOpts::Generate { shell } => {75				use clap_complete::generate;76				let app = &mut Opts::command();77				let buf = &mut std::io::stdout();78				generate(shell, app, "jrsonnet", buf);79				std::process::exit(0)80			}81		}82	}8384	let success = if let Some(size) = opts.debug.os_stack {85		std::thread::Builder::new()86			.stack_size(size * 1024 * 1024)87			.spawn(|| main_catch(opts))88			.expect("new thread spawned")89			.join()90			.expect("thread finished successfully")91	} else {92		main_catch(opts)93	};94	if !success {95		std::process::exit(1);96	}97}9899#[derive(thiserror::Error, Debug)]100enum Error {101	// Handled differently102	#[error("evaluation error")]103	Evaluation(JrError),104	#[error("io error")]105	Io(#[from] std::io::Error),106	#[error("input is not utf8 encoded")]107	Utf8(#[from] std::str::Utf8Error),108	#[error("missing input argument")]109	MissingInputArgument,110}111impl From<JrError> for Error {112	fn from(e: JrError) -> Self {113		Self::Evaluation(e)114	}115}116impl From<ErrorKind> for Error {117	fn from(e: ErrorKind) -> Self {118		Self::from(JrError::from(e))119	}120}121122fn main_catch(opts: Opts) -> bool {123	let s = State::default();124	let trace = opts125		.trace126		.configure(&s)127		.expect("this configurator doesn't fail");128	if let Err(e) = main_real(&s, opts) {129		if let Error::Evaluation(e) = e {130			let mut out = String::new();131			trace.write_trace(&mut out, &e).expect("format error");132			eprintln!("{out}")133		} else {134			eprintln!("{}", e);135		}136		return false;137	}138	true139}140141fn main_real(s: &State, opts: Opts) -> Result<(), Error> {142	let (_stack_guard, tla, _gc_guard) = opts.general.configure(s)?;143	let manifest_format = opts.manifest.configure(s)?;144145	let input = opts.input.input.ok_or(Error::MissingInputArgument)?;146	let val = if opts.input.exec {147		s.evaluate_snippet("<cmdline>".to_owned(), &input as &str)?148	} else if input == "-" {149		let mut input = Vec::new();150		std::io::stdin().read_to_end(&mut input)?;151		let input_str = std::str::from_utf8(&input)?;152		s.evaluate_snippet("<stdin>".to_owned(), input_str)?153	} else {154		s.import(&input)?155	};156157	let val = apply_tla(s.clone(), &tla, val)?;158159	if let Some(multi) = opts.output.multi {160		if opts.output.create_output_dirs {161			let mut dir = multi.clone();162			dir.pop();163			create_dir_all(dir)?;164		}165		let Val::Obj(obj) = val else {166			throw!("value should be object for --multi manifest, got {}", val.value_type())167		};168		for (field, data) in obj.iter(169			#[cfg(feature = "exp-preserve-order")]170			opts.manifest.preserve_order,171		) {172			let data = data.with_description(|| format!("getting field {field} for manifest"))?;173174			let mut path = multi.clone();175			path.push(&field as &str);176			if opts.output.create_output_dirs {177				let mut dir = path.clone();178				dir.pop();179				create_dir_all(dir)?;180			}181			println!("{}", path.to_str().expect("path"));182			let mut file = File::create(path)?;183			writeln!(184				file,185				"{}",186				data.manifest(&manifest_format)187					.with_description(|| format!("manifesting {field}"))?188			)?;189		}190	} else if let Some(path) = opts.output.output_file {191		if opts.output.create_output_dirs {192			let mut dir = path.clone();193			dir.pop();194			create_dir_all(dir)?;195		}196		let mut file = File::create(path)?;197		writeln!(file, "{}", val.manifest(manifest_format)?)?;198	} else {199		let output = val.manifest(manifest_format)?;200		if !output.is_empty() {201			println!("{}", output);202		}203	}204205	Ok(())206}
modifiedcrates/jrsonnet-cli/src/lib.rsdiffbeforeafterboth
--- a/crates/jrsonnet-cli/src/lib.rs
+++ b/crates/jrsonnet-cli/src/lib.rs
@@ -6,9 +6,7 @@
 use std::{env, marker::PhantomData, path::PathBuf};
 
 use clap::Parser;
-use jrsonnet_evaluator::{
-	error::Result, stack::StackDepthLimitOverrideGuard, FileImportResolver, State,
-};
+use jrsonnet_evaluator::{error::Result, stack::set_stack_depth_limit, FileImportResolver, State};
 use jrsonnet_gcmodule::with_thread_object_space;
 pub use manifest::*;
 pub use stdlib::*;
@@ -48,7 +46,7 @@
 	jpath: Vec<PathBuf>,
 }
 impl ConfigureState for MiscOpts {
-	type Guards = StackDepthLimitOverrideGuard;
+	type Guards = ();
 	fn configure(&self, s: &State) -> Result<Self::Guards> {
 		let mut library_paths = self.jpath.clone();
 		library_paths.reverse();
@@ -58,8 +56,8 @@
 
 		s.set_import_resolver(Box::new(FileImportResolver::new(library_paths)));
 
-		let _depth_limit = jrsonnet_evaluator::stack::limit_stack_depth(self.max_stack);
-		Ok(_depth_limit)
+		set_stack_depth_limit(self.max_stack);
+		Ok(())
 	}
 }
 
@@ -81,17 +79,16 @@
 
 impl ConfigureState for GeneralOpts {
 	type Guards = (
-		<MiscOpts as ConfigureState>::Guards,
 		<TlaOpts as ConfigureState>::Guards,
 		<GcOpts as ConfigureState>::Guards,
 	);
 	fn configure(&self, s: &State) -> Result<Self::Guards> {
 		// Configure trace first, because tla-code/ext-code can throw
-		let misc_guards = self.misc.configure(s)?;
+		self.misc.configure(s)?;
 		let tla_guards = self.tla.configure(s)?;
 		self.std.configure(s)?;
 		let gc_guards = self.gc.configure(s)?;
-		Ok((misc_guards, tla_guards, gc_guards))
+		Ok((tla_guards, gc_guards))
 	}
 }
 
modifiedcrates/jrsonnet-evaluator/src/evaluate/mod.rsdiffbeforeafterboth
--- a/crates/jrsonnet-evaluator/src/evaluate/mod.rs
+++ b/crates/jrsonnet-evaluator/src/evaluate/mod.rs
@@ -389,7 +389,7 @@
 			ctx.super_obj().clone().ok_or(NoSuperFound)?.with_this(
 				ctx.this()
 					.clone()
-					.expect("if super exists - then this should to"),
+					.expect("if super exists - then this should too"),
 			),
 		),
 		Literal(LiteralType::Dollar) => {
@@ -408,6 +408,21 @@
 			|| format!("variable <{name}> access"),
 			|| ctx.binding(name.clone())?.evaluate(),
 		)?,
+		Index(LocExpr(v, _), index) if matches!(&**v, Expr::Literal(LiteralType::Super)) => {
+			let name = evaluate(ctx.clone(), index)?;
+			let Val::Str(name) = name else {
+				throw!(ValueIndexMustBeTypeGot(
+					ValType::Obj,
+					ValType::Str,
+					name.value_type(),
+				))
+			};
+			ctx.super_obj()
+				.clone()
+				.expect("no super found")
+				.get_for(name, ctx.this().clone().expect("no this found"))?
+				.expect("value not found")
+		}
 		Index(value, index) => match (evaluate(ctx.clone(), value)?, evaluate(ctx, index)?) {
 			(Val::Obj(v), Val::Str(key)) => State::push(
 				CallLocation::new(loc),
modifiedcrates/jrsonnet-evaluator/src/obj.rsdiffbeforeafterboth
--- a/crates/jrsonnet-evaluator/src/obj.rs
+++ b/crates/jrsonnet-evaluator/src/obj.rs
@@ -128,7 +128,7 @@
 	assertions: Cc<Vec<TraceBox<dyn ObjectAssertion>>>,
 	assertions_ran: RefCell<GcHashSet<ObjValue>>,
 	this_entries: Cc<GcHashMap<IStr, ObjMember>>,
-	value_cache: RefCell<GcHashMap<IStr, CacheValue>>,
+	value_cache: RefCell<GcHashMap<(IStr, Option<WeakObjValue>), CacheValue>>,
 }
 
 #[derive(Clone, Trace)]
@@ -387,7 +387,8 @@
 
 	pub fn get(&self, key: IStr) -> Result<Option<Val>> {
 		self.run_assertions()?;
-		if let Some(v) = self.0.value_cache.borrow().get(&key) {
+		let cache_key = (key.clone(), None);
+		if let Some(v) = self.0.value_cache.borrow().get(&cache_key) {
 			return Ok(match v {
 				CacheValue::Cached(v) => Some(v.clone()),
 				CacheValue::NotFound => None,
@@ -398,21 +399,48 @@
 		self.0
 			.value_cache
 			.borrow_mut()
-			.insert(key.clone(), CacheValue::Pending);
+			.insert(cache_key.clone(), CacheValue::Pending);
 		let value = self
-			.get_raw(
-				key.clone(),
-				self.0.this.clone().unwrap_or_else(|| self.clone()),
-			)
+			.get_raw(key, self.0.this.clone().unwrap_or_else(|| self.clone()))
 			.map_err(|e| {
 				self.0
 					.value_cache
 					.borrow_mut()
-					.insert(key.clone(), CacheValue::Errored(e.clone()));
+					.insert(cache_key.clone(), CacheValue::Errored(e.clone()));
 				e
 			})?;
 		self.0.value_cache.borrow_mut().insert(
-			key,
+			cache_key,
+			value
+				.as_ref()
+				.map_or(CacheValue::NotFound, |v| CacheValue::Cached(v.clone())),
+		);
+		Ok(value)
+	}
+	pub fn get_for(&self, key: IStr, this: Self) -> Result<Option<Val>> {
+		self.run_assertions()?;
+		let cache_key = (key.clone(), Some(this.clone().downgrade()));
+		if let Some(v) = self.0.value_cache.borrow().get(&cache_key) {
+			return Ok(match v {
+				CacheValue::Cached(v) => Some(v.clone()),
+				CacheValue::NotFound => None,
+				CacheValue::Pending => throw!(InfiniteRecursionDetected),
+				CacheValue::Errored(e) => return Err(e.clone()),
+			});
+		}
+		self.0
+			.value_cache
+			.borrow_mut()
+			.insert(cache_key.clone(), CacheValue::Pending);
+		let value = self.get_raw(key, this).map_err(|e| {
+			self.0
+				.value_cache
+				.borrow_mut()
+				.insert(cache_key.clone(), CacheValue::Errored(e.clone()));
+			e
+		})?;
+		self.0.value_cache.borrow_mut().insert(
+			cache_key,
 			value
 				.as_ref()
 				.map_or(CacheValue::NotFound, |v| CacheValue::Cached(v.clone())),