git.delta.rocks / jrsonnet / refs/commits / 6359a4da99ca

6	cell::RefCell,
7	collections::HashMap,
8	fmt::Debug,
9	rc::{Rc, Weak},
10};
611
7rc_fn_helper!(12rc_fn_helper!(
18	super_obj: Option<ObjValue>,23	super_obj: Option<ObjValue>,
19	bindings: LayeredHashMap<Rc<str>, LazyVal>,24	bindings: LayeredHashMap<Rc<str>, LazyVal>,
20}25}
21pub struct Context(Rc<ContextInternals>);
22impl Debug for Context {26impl Debug for ContextInternals {
23	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {27	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
24		f.debug_struct("Context")28		f.debug_struct("Context")
25			.field("this", &self.0.this.as_ref().map(|e| Rc::as_ptr(&e.0)))29			.field("this", &self.this.as_ref().map(|e| Rc::as_ptr(&e.0)))
26			.field("bindings", &self.0.bindings)30			.field("bindings", &self.bindings)
27			.finish()31			.finish()
28	}32	}
29}33}
34
35#[derive(Debug, Clone)]
36pub struct Context(Rc<ContextInternals>);
30impl Context {37impl Context {
31	pub fn new_future() -> FutureContext {38	pub fn new_future() -> FutureContext {
32		FutureContext(Rc::new(RefCell::new(None)))39		FutureContext(Rc::new(RefCell::new(None)))
110		}117		}
111		self.extend(new, new_dollar, this, super_obj)118		self.extend(new, new_dollar, this, super_obj)
112	}119	}
120	pub fn into_weak(self) -> WeakContext {
121		WeakContext(Rc::downgrade(&self.0))
122	}
113}123}
114124
115impl Default for Context {125impl Default for Context {
124	}134	}
125}135}
126136
137#[derive(Debug, Clone)]
138pub struct WeakContext(Weak<ContextInternals>);
127impl Clone for Context {139impl WeakContext {
128	fn clone(&self) -> Self {140	pub fn upgrade(&self) -> Context {
129		Context(self.0.clone())141		Context(self.0.upgrade().expect("context is removed"))
130	}142	}
131}143}
144impl PartialEq for WeakContext {
145	fn eq(&self, other: &Self) -> bool {
146		self.0.ptr_eq(&other.0)
147	}
148}
132149