git.delta.rocks / jrsonnet / refs/commits / 9e9c9376494e

difftreelog

perf rc imports

Лач2020-06-26parent: #4a1c9d0.patch.diff
in: master

3 files changed

modifiedcmds/jrsonnet/src/main.rsdiffbeforeafterboth
--- a/cmds/jrsonnet/src/main.rs
+++ b/cmds/jrsonnet/src/main.rs
@@ -136,7 +136,7 @@
 	let mut input = current_dir().unwrap();
 	input.push(opts.input.clone());
 	let code_string = String::from_utf8(std::fs::read(opts.input.clone()).unwrap()).unwrap();
-	if let Err(e) = evaluator.add_file(input.clone(), code_string.clone()) {
+	if let Err(e) = evaluator.add_file(Rc::new(input.clone()), code_string.clone().into()) {
 		print_syntax_error(e, &input, &code_string);
 		std::process::exit(1);
 	}
modifiedcrates/jsonnet-evaluator/src/import.rsdiffbeforeafterboth
3use fs::File;3use fs::File;
4use std::fs;4use std::fs;
5use std::io::Read;5use std::io::Read;
6use std::{cell::RefCell, collections::HashMap, path::PathBuf};6use std::{cell::RefCell, collections::HashMap, path::PathBuf, rc::Rc};
77
8pub trait ImportResolver {8pub trait ImportResolver {
9 fn resolve_file(&self, from: &PathBuf, path: &PathBuf) -> Result<PathBuf>;9 fn resolve_file(&self, from: &PathBuf, path: &PathBuf) -> Result<Rc<PathBuf>>;
10 fn load_file_contents(&self, resolved: &PathBuf) -> Result<String>;10 fn load_file_contents(&self, resolved: &PathBuf) -> Result<Rc<str>>;
11}11}
1212
13pub struct DummyImportResolver;13pub struct DummyImportResolver;
14impl ImportResolver for DummyImportResolver {14impl ImportResolver for DummyImportResolver {
15 fn resolve_file(&self, from: &PathBuf, path: &PathBuf) -> Result<PathBuf> {15 fn resolve_file(&self, from: &PathBuf, path: &PathBuf) -> Result<Rc<PathBuf>> {
16 create_error(Error::ImportNotSupported(from.clone(), path.clone()))16 create_error(Error::ImportNotSupported(from.clone(), path.clone()))
17 }17 }
18 fn load_file_contents(&self, _resolved: &PathBuf) -> Result<String> {18 fn load_file_contents(&self, _resolved: &PathBuf) -> Result<Rc<str>> {
19 // Can be only caused by library direct consumer, not by supplied jsonnet19 // Can be only caused by library direct consumer, not by supplied jsonnet
20 panic!("dummy resolver can't load any file")20 panic!("dummy resolver can't load any file")
21 }21 }
30 pub library_paths: Vec<PathBuf>,30 pub library_paths: Vec<PathBuf>,
31}31}
32impl ImportResolver for FileImportResolver {32impl ImportResolver for FileImportResolver {
33 fn resolve_file(&self, from: &PathBuf, path: &PathBuf) -> Result<PathBuf> {33 fn resolve_file(&self, from: &PathBuf, path: &PathBuf) -> Result<Rc<PathBuf>> {
34 let mut new_path = from.clone();34 let mut new_path = from.clone();
35 new_path.push(path);35 new_path.push(path);
36 if new_path.exists() {36 if new_path.exists() {
37 Ok(new_path)37 Ok(Rc::new(new_path))
38 } else {38 } else {
39 for library_path in self.library_paths.iter() {39 for library_path in self.library_paths.iter() {
40 let mut cloned = library_path.clone();40 let mut cloned = library_path.clone();
41 cloned.push(path);41 cloned.push(path);
42 if cloned.exists() {42 if cloned.exists() {
43 return Ok(cloned);43 return Ok(Rc::new(cloned));
44 }44 }
45 }45 }
46 create_error(Error::ImportFileNotFound(from.clone(), path.clone()))46 create_error(Error::ImportFileNotFound(from.clone(), path.clone()))
47 }47 }
48 }48 }
49 fn load_file_contents(&self, id: &PathBuf) -> Result<String> {49 fn load_file_contents(&self, id: &PathBuf) -> Result<Rc<str>> {
50 let mut file = File::open(id).map_err(|_e| {50 let mut file = File::open(id).map_err(|_e| {
51 create_error::<()>(Error::ResolvedFileNotFound(id.clone()))51 create_error::<()>(Error::ResolvedFileNotFound(id.clone()))
52 .err()52 .err()
58 .err()58 .err()
59 .unwrap()59 .unwrap()
60 })?;60 })?;
61 Ok(out)61 Ok(out.into())
62 }62 }
63}63}
6464
65pub struct CachingImportResolver {65pub struct CachingImportResolver {
66 resolution_cache: RefCell<HashMap<(PathBuf, PathBuf), Result<PathBuf>>>,66 resolution_cache: RefCell<HashMap<(PathBuf, PathBuf), Result<Rc<PathBuf>>>>,
67 loading_cache: RefCell<HashMap<PathBuf, Result<String>>>,67 loading_cache: RefCell<HashMap<PathBuf, Result<Rc<str>>>>,
68 inner: Box<dyn ImportResolver>,68 inner: Box<dyn ImportResolver>,
69}69}
70impl ImportResolver for CachingImportResolver {70impl ImportResolver for CachingImportResolver {
71 fn resolve_file(&self, from: &PathBuf, path: &PathBuf) -> Result<PathBuf> {71 fn resolve_file(&self, from: &PathBuf, path: &PathBuf) -> Result<Rc<PathBuf>> {
72 self.resolution_cache72 self.resolution_cache
73 .borrow_mut()73 .borrow_mut()
74 .entry((from.clone(), path.clone()))74 .entry((from.clone(), path.clone()))
75 .or_insert_with(|| self.inner.resolve_file(from, path))75 .or_insert_with(|| self.inner.resolve_file(from, path))
76 .clone()76 .clone()
77 }77 }
78 fn load_file_contents(&self, resolved: &PathBuf) -> Result<String> {78 fn load_file_contents(&self, resolved: &PathBuf) -> Result<Rc<str>> {
79 self.loading_cache79 self.loading_cache
80 .borrow_mut()80 .borrow_mut()
81 .entry(resolved.clone())81 .entry(resolved.clone())
modifiedcrates/jsonnet-evaluator/src/lib.rsdiffbeforeafterboth
--- a/crates/jsonnet-evaluator/src/lib.rs
+++ b/crates/jsonnet-evaluator/src/lib.rs
@@ -57,15 +57,15 @@
 	}
 }
 
-pub struct FileData(String, LocExpr, Option<Val>);
+pub struct FileData(Rc<str>, LocExpr, Option<Val>);
 #[derive(Default)]
 pub struct EvaluationStateInternals {
 	/// Used for stack-overflows and stacktraces
 	stack: RefCell<Vec<StackTraceElement>>,
 	/// Contains file source codes and evaluated results for imports and pretty
 	/// printing stacktraces
-	files: RefCell<HashMap<PathBuf, FileData>>,
-	str_files: RefCell<HashMap<PathBuf, Rc<str>>>,
+	files: RefCell<HashMap<Rc<PathBuf>, FileData>>,
+	str_files: RefCell<HashMap<Rc<PathBuf>, Rc<str>>>,
 	globals: RefCell<HashMap<Rc<str>, Val>>,
 
 	/// Values to use with std.extVar
@@ -109,7 +109,11 @@
 			..Default::default()
 		}))
 	}
-	pub fn add_file(&self, name: PathBuf, code: String) -> std::result::Result<(), ParseError> {
+	pub fn add_file(
+		&self,
+		name: Rc<PathBuf>,
+		code: Rc<str>,
+	) -> std::result::Result<(), ParseError> {
 		self.0.files.borrow_mut().insert(
 			name.clone(),
 			FileData(
@@ -117,7 +121,7 @@
 				parse(
 					&code,
 					&ParserSettings {
-						file_name: Rc::new(name),
+						file_name: name,
 						loc_data: true,
 					},
 				)?,
@@ -129,8 +133,8 @@
 	}
 	pub fn add_parsed_file(
 		&self,
-		name: PathBuf,
-		code: String,
+		name: Rc<PathBuf>,
+		code: Rc<str>,
 		parsed: LocExpr,
 	) -> std::result::Result<(), ()> {
 		self.0
@@ -140,7 +144,7 @@
 
 		Ok(())
 	}
-	pub fn get_source(&self, name: &PathBuf) -> Option<String> {
+	pub fn get_source(&self, name: &PathBuf) -> Option<Rc<str>> {
 		let ro_map = self.0.files.borrow();
 		ro_map.get(name).map(|value| value.0.clone())
 	}
@@ -221,12 +225,13 @@
 	}
 
 	pub fn with_stdlib(&self) -> &Self {
+		let std_path = Rc::new(PathBuf::from("std.jsonnet"));
 		self.run_in_state(|| {
 			use jsonnet_stdlib::STDLIB_STR;
 			if cfg!(feature = "serialized-stdlib") {
 				self.add_parsed_file(
-					PathBuf::from("std.jsonnet"),
-					STDLIB_STR.to_owned(),
+					std_path,
+					STDLIB_STR.to_owned().into(),
 					bincode::deserialize(include_bytes!(concat!(
 						env!("OUT_DIR"),
 						"/stdlib.bincode"
@@ -235,7 +240,7 @@
 				)
 				.unwrap();
 			} else {
-				self.add_file(PathBuf::from("std.jsonnet"), STDLIB_STR.to_owned())
+				self.add_file(std_path, STDLIB_STR.to_owned().into())
 					.unwrap();
 			}
 			let val = self.evaluate_file(&PathBuf::from("std.jsonnet")).unwrap();