php_ast/ast/
mod.rs

1mod decls;
2mod exprs;
3mod misc;
4mod names;
5mod stmts;
6
7pub use decls::*;
8pub use exprs::*;
9pub use misc::*;
10pub use names::*;
11pub use stmts::*;
12
13pub(crate) fn is_false(b: &bool) -> bool {
14    !*b
15}
16
17/// Arena-allocated Vec. Thin newtype over bumpalo::collections::Vec that implements Serialize and Debug.
18pub struct ArenaVec<'arena, T>(bumpalo::collections::Vec<'arena, T>);
19
20impl<'arena, T> ArenaVec<'arena, T> {
21    /// Creates an empty vector in `arena`.
22    #[inline]
23    pub fn new_in(arena: &'arena bumpalo::Bump) -> Self {
24        Self(bumpalo::collections::Vec::new_in(arena))
25    }
26    /// Creates an empty vector with room for `cap` elements in `arena`.
27    #[inline]
28    pub fn with_capacity_in(cap: usize, arena: &'arena bumpalo::Bump) -> Self {
29        Self(bumpalo::collections::Vec::with_capacity_in(cap, arena))
30    }
31    /// Appends `val` to the end.
32    #[inline]
33    pub fn push(&mut self, val: T) {
34        self.0.push(val)
35    }
36    /// Kept as an explicit method so `"ArenaVec::is_empty"` works as a serde
37    /// `skip_serializing_if` path (deref-inherited methods don't resolve via UFCS).
38    #[inline]
39    pub fn is_empty(&self) -> bool {
40        self.0.is_empty()
41    }
42}
43
44impl<'arena, T> IntoIterator for ArenaVec<'arena, T> {
45    type Item = T;
46    type IntoIter = bumpalo::collections::vec::IntoIter<'arena, T>;
47    #[inline]
48    fn into_iter(self) -> Self::IntoIter {
49        self.0.into_iter()
50    }
51}
52
53impl<'arena, T> std::ops::Deref for ArenaVec<'arena, T> {
54    type Target = [T];
55    #[inline]
56    fn deref(&self) -> &[T] {
57        &self.0
58    }
59}
60
61impl<'arena, T> std::ops::DerefMut for ArenaVec<'arena, T> {
62    #[inline]
63    fn deref_mut(&mut self) -> &mut [T] {
64        &mut self.0
65    }
66}
67
68impl<'arena, T: serde::Serialize> serde::Serialize for ArenaVec<'arena, T> {
69    fn serialize<S: serde::Serializer>(&self, s: S) -> Result<S::Ok, S::Error> {
70        self.0.as_slice().serialize(s)
71    }
72}
73
74impl<'arena, T: std::fmt::Debug> std::fmt::Debug for ArenaVec<'arena, T> {
75    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
76        self.0.as_slice().fmt(f)
77    }
78}
php_ast/ast/mod.rs

php_ast/ast/
mod.rs
