diff options
author | Aleksey Kladov <[email protected]> | 2018-08-09 00:41:31 +0100 |
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committer | Aleksey Kladov <[email protected]> | 2018-08-09 00:41:31 +0100 |
commit | 34bf0a0b180a4c56cf43c34080a074e6e7537e18 (patch) | |
tree | af9b8ad059be1d1b41f1f9ac121b01b928a7af78 /src/yellow | |
parent | 08475a690ccc26ab5fd5e809a8cd3a19fcf5aff4 (diff) |
More premature layout micro optimizations
Diffstat (limited to 'src/yellow')
-rw-r--r-- | src/yellow/green.rs | 49 |
1 files changed, 12 insertions, 37 deletions
diff --git a/src/yellow/green.rs b/src/yellow/green.rs index 2d19c252b..787968363 100644 --- a/src/yellow/green.rs +++ b/src/yellow/green.rs | |||
@@ -6,13 +6,16 @@ use { | |||
6 | 6 | ||
7 | #[derive(Clone, Debug)] | 7 | #[derive(Clone, Debug)] |
8 | pub(crate) enum GreenNode { | 8 | pub(crate) enum GreenNode { |
9 | Leaf(GreenLeaf), | 9 | Leaf { |
10 | kind: SyntaxKind, | ||
11 | text: SmolStr, | ||
12 | }, | ||
10 | Branch(Arc<GreenBranch>), | 13 | Branch(Arc<GreenBranch>), |
11 | } | 14 | } |
12 | 15 | ||
13 | impl GreenNode { | 16 | impl GreenNode { |
14 | pub(crate) fn new_leaf(kind: SyntaxKind, text: &str) -> GreenNode { | 17 | pub(crate) fn new_leaf(kind: SyntaxKind, text: &str) -> GreenNode { |
15 | GreenNode::Leaf(GreenLeaf::new(kind, text)) | 18 | GreenNode::Leaf { kind, text: SmolStr::new(text) } |
16 | } | 19 | } |
17 | 20 | ||
18 | pub(crate) fn new_branch(kind: SyntaxKind, children: Box<[GreenNode]>) -> GreenNode { | 21 | pub(crate) fn new_branch(kind: SyntaxKind, children: Box<[GreenNode]>) -> GreenNode { |
@@ -21,21 +24,21 @@ impl GreenNode { | |||
21 | 24 | ||
22 | pub fn kind(&self) -> SyntaxKind { | 25 | pub fn kind(&self) -> SyntaxKind { |
23 | match self { | 26 | match self { |
24 | GreenNode::Leaf(l) => l.kind(), | 27 | GreenNode::Leaf { kind, .. } => *kind, |
25 | GreenNode::Branch(b) => b.kind(), | 28 | GreenNode::Branch(b) => b.kind(), |
26 | } | 29 | } |
27 | } | 30 | } |
28 | 31 | ||
29 | pub fn text_len(&self) -> TextUnit { | 32 | pub fn text_len(&self) -> TextUnit { |
30 | match self { | 33 | match self { |
31 | GreenNode::Leaf(l) => l.text_len(), | 34 | GreenNode::Leaf { text, ..} => TextUnit::of_str(text.as_str()), |
32 | GreenNode::Branch(b) => b.text_len(), | 35 | GreenNode::Branch(b) => b.text_len(), |
33 | } | 36 | } |
34 | } | 37 | } |
35 | 38 | ||
36 | pub fn children(&self) -> &[GreenNode] { | 39 | pub fn children(&self) -> &[GreenNode] { |
37 | match self { | 40 | match self { |
38 | GreenNode::Leaf(_) => &[], | 41 | GreenNode::Leaf { .. } => &[], |
39 | GreenNode::Branch(b) => b.children(), | 42 | GreenNode::Branch(b) => b.children(), |
40 | } | 43 | } |
41 | } | 44 | } |
@@ -46,7 +49,7 @@ impl GreenNode { | |||
46 | return buff; | 49 | return buff; |
47 | fn go(node: &GreenNode, buff: &mut String) { | 50 | fn go(node: &GreenNode, buff: &mut String) { |
48 | match node { | 51 | match node { |
49 | GreenNode::Leaf(l) => buff.push_str(&l.text()), | 52 | GreenNode::Leaf { text, .. } => buff.push_str(text.as_str()), |
50 | GreenNode::Branch(b) => b.children().iter().for_each(|child| go(child, buff)), | 53 | GreenNode::Branch(b) => b.children().iter().for_each(|child| go(child, buff)), |
51 | } | 54 | } |
52 | } | 55 | } |
@@ -89,38 +92,10 @@ impl GreenBranch { | |||
89 | } | 92 | } |
90 | } | 93 | } |
91 | 94 | ||
92 | #[derive(Clone, Debug)] | ||
93 | pub(crate) struct GreenLeaf { | ||
94 | kind: SyntaxKind, | ||
95 | text: SmolStr, | ||
96 | } | ||
97 | |||
98 | impl GreenLeaf { | ||
99 | fn new(kind: SyntaxKind, text: &str) -> Self { | ||
100 | let text = SmolStr::new(text); | ||
101 | GreenLeaf { kind, text } | ||
102 | } | ||
103 | |||
104 | pub(crate) fn kind(&self) -> SyntaxKind { | ||
105 | self.kind | ||
106 | } | ||
107 | |||
108 | pub(crate) fn text(&self) -> &str { | ||
109 | self.text.as_str() | ||
110 | } | ||
111 | |||
112 | pub(crate) fn text_len(&self) -> TextUnit { | ||
113 | TextUnit::of_str(self.text()) | ||
114 | } | ||
115 | } | ||
116 | |||
117 | |||
118 | #[test] | 95 | #[test] |
119 | fn test_sizes() { | 96 | fn test_sizes() { |
120 | use std::mem::size_of; | 97 | use std::mem::size_of; |
121 | 98 | println!("GreenBranch = {}", size_of::<GreenBranch>()); | |
122 | println!("GreenNode = {}", size_of::<GreenNode>()); | 99 | println!("GreenNode = {}", size_of::<GreenNode>()); |
123 | println!("GreenLeaf = {}", size_of::<GreenLeaf>()); | 100 | println!("SmolStr = {}", size_of::<SmolStr>()); |
124 | println!("SyntaxKind = {}", size_of::<SyntaxKind>()); | ||
125 | println!("SmolStr = {}", size_of::<SmolStr>()); | ||
126 | } | 101 | } |