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Miscellaneous script splitting preparation changes (#36216)
* script: Move num module to script_bindings. Signed-off-by: Josh Matthews <josh@joshmatthews.net> * script: Make JS reflector creation generic over DOM trait. Signed-off-by: Josh Matthews <josh@joshmatthews.net> * script: Move bindings-specific lock to script_bindings. Signed-off-by: Josh Matthews <josh@joshmatthews.net> * script: Move DOM proto array code to script_bindings. Signed-off-by: Josh Matthews <josh@joshmatthews.net> * script: Move finalizer implementations to script_bindings. Signed-off-by: Josh Matthews <josh@joshmatthews.net> * script: Move some error routines to script_bindings. Signed-off-by: Josh Matthews <josh@joshmatthews.net> * script: Move some DOM interface conversion routines to script_bindings. Signed-off-by: Josh Matthews <josh@joshmatthews.net> * script: Make is_array_like generic over DOM trait. Signed-off-by: Josh Matthews <josh@joshmatthews.net> * script: Use generic interfaces for conditional exposure functions. Signed-off-by: Josh Matthews <josh@joshmatthews.net> * script: Move a bunch of routines used by codegen to script_bindings. Signed-off-by: Josh Matthews <josh@joshmatthews.net> * Formatting. Signed-off-by: Josh Matthews <josh@joshmatthews.net> * Fix clippy warnings. Signed-off-by: Josh Matthews <josh@joshmatthews.net> --------- Signed-off-by: Josh Matthews <josh@joshmatthews.net>
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28 changed files with 836 additions and 691 deletions
57
components/script_bindings/num.rs
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57
components/script_bindings/num.rs
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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//! The `Finite<T>` struct.
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use std::default::Default;
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use std::ops::Deref;
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use malloc_size_of::{MallocSizeOf, MallocSizeOfOps};
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use num_traits::Float;
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/// Encapsulates the IDL restricted float type.
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#[derive(Clone, Copy, Eq, JSTraceable, PartialEq)]
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pub struct Finite<T: Float>(T);
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impl<T: Float> Finite<T> {
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/// Create a new `Finite<T: Float>` safely.
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pub fn new(value: T) -> Option<Finite<T>> {
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if value.is_finite() {
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Some(Finite(value))
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} else {
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None
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}
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}
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/// Create a new `Finite<T: Float>`.
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#[inline]
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pub fn wrap(value: T) -> Finite<T> {
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assert!(
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value.is_finite(),
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"Finite<T> doesn't encapsulate unrestricted value."
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);
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Finite(value)
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}
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}
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impl<T: Float> Deref for Finite<T> {
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type Target = T;
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fn deref(&self) -> &T {
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let Finite(value) = self;
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value
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}
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}
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impl<T: Float + MallocSizeOf> MallocSizeOf for Finite<T> {
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fn size_of(&self, ops: &mut MallocSizeOfOps) -> usize {
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(**self).size_of(ops)
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}
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}
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impl<T: Float + Default> Default for Finite<T> {
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fn default() -> Finite<T> {
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Finite::wrap(T::default())
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}
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}
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