Changing IntoWasmAbi to use interning

crates/cache/Cargo.toml

@@ -1,21 +0,0 @@
-[package]
-authors = ["The wasm-bindgen Developers"]
-description = "Utilities for caching JS objects to avoid expensive copying"
-documentation = "https://docs.rs/wasm-bindgen-cache"
-homepage = "https://rustwasm.github.io/wasm-bindgen/"
-license = "MIT/Apache-2.0"
-name = "wasm-bindgen-cache"
-repository = "https://github.com/rustwasm/wasm-bindgen/tree/master/crates/cache"
-readme = "./README.md"
-version = "0.1.0"
-edition = "2018"
-
-[features]
-disabled = []
-
-[dependencies]
-js-sys = { path = "../js-sys", version = '0.3.24' }
-uluru = "0.3.0"
-
-[target.'cfg(target_arch = "wasm32")'.dev-dependencies]
-wasm-bindgen-test = { path = '../test', version = '0.2.47' }

crates/cache/src/lib.rs

@@ -1,100 +0,0 @@
-#![deny(missing_docs)]
-
-//!
-
-
-///
-pub mod intern {
-    use js_sys::JsString;
-    use std::cell::{Cell, RefCell};
-    use uluru::{LRUCache, Entry};
-
-    struct Pair {
-        key: String,
-        value: JsString,
-    }
-
-    // TODO figure out a good default capacity
-    type Entries = LRUCache::<[Entry<Pair>; 1_024]>;
-
-    struct Cache {
-        enabled: Cell<bool>,
-        max_str_len: Cell<usize>,
-        entries: RefCell<Entries>,
-    }
-
-    // TODO figure out a good max_str_len
-    thread_local! {
-        static CACHE: Cache = Cache {
-            enabled: Cell::new(true),
-            max_str_len: Cell::new(128),
-            entries: RefCell::new(LRUCache::default()),
-        };
-    }
-
-    fn get_js_string(cache: &mut Entries, key: &str) -> JsString {
-        if let Some(p) = cache.find(|p| p.key == key) {
-            p.value.clone()
-
-        } else {
-            let value = JsString::from(key);
-
-            cache.insert(Pair {
-                key: key.to_owned(),
-                value: value.clone(),
-            });
-
-            value
-        }
-    }
-
-    fn cache_str(s: &str) -> JsString {
-        CACHE.with(|cache| {
-            let should_cache =
-                cache.enabled.get() &&
-                s.len() <= cache.max_str_len.get();
-
-            if should_cache {
-                get_js_string(&mut cache.entries.borrow_mut(), s)
-
-            } else {
-                JsString::from(s)
-            }
-        })
-    }
-
-    ///
-    #[inline]
-    pub fn str(s: &str) -> JsString {
-        if cfg!(feature = "disabled") {
-            JsString::from(s)
-
-        } else {
-            cache_str(s)
-        }
-    }
-
-    ///
-    #[inline]
-    pub fn set_max_str_len(len: usize) {
-        if !cfg!(feature = "disabled") {
-            CACHE.with(|cache| cache.max_str_len.set(len));
-        }
-    }
-
-    ///
-    #[inline]
-    pub fn enable() {
-        if !cfg!(feature = "disabled") {
-            CACHE.with(|cache| cache.enabled.set(true));
-        }
-    }
-
-    ///
-    #[inline]
-    pub fn disable() {
-        if !cfg!(feature = "disabled") {
-            CACHE.with(|cache| cache.enabled.set(false));
-        }
-    }
-}