diff options
Diffstat (limited to 'crates/ra_syntax/src/utils.rs')
-rw-r--r-- | crates/ra_syntax/src/utils.rs | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/crates/ra_syntax/src/utils.rs b/crates/ra_syntax/src/utils.rs index 5bef4a639..cad9544be 100644 --- a/crates/ra_syntax/src/utils.rs +++ b/crates/ra_syntax/src/utils.rs | |||
@@ -1,6 +1,5 @@ | |||
1 | use crate::{File, SyntaxKind, SyntaxNodeRef, WalkEvent}; | 1 | use crate::{File, SyntaxKind, SyntaxNodeRef, WalkEvent}; |
2 | use std::fmt::Write; | 2 | use std::fmt::Write; |
3 | use std::ops::Deref; | ||
4 | use std::str; | 3 | use std::str; |
5 | 4 | ||
6 | /// Parse a file and create a string representation of the resulting parse tree. | 5 | /// Parse a file and create a string representation of the resulting parse tree. |
@@ -80,38 +79,3 @@ pub(crate) fn validate_block_structure(root: SyntaxNodeRef) { | |||
80 | } | 79 | } |
81 | } | 80 | } |
82 | } | 81 | } |
83 | |||
84 | #[derive(Debug)] | ||
85 | pub struct MutAsciiString<'a> { | ||
86 | buf: &'a mut [u8], | ||
87 | len: usize, | ||
88 | } | ||
89 | |||
90 | impl<'a> MutAsciiString<'a> { | ||
91 | pub fn new(buf: &'a mut [u8]) -> MutAsciiString<'a> { | ||
92 | MutAsciiString { buf, len: 0 } | ||
93 | } | ||
94 | |||
95 | pub fn as_str(&self) -> &str { | ||
96 | str::from_utf8(&self.buf[..self.len]).unwrap() | ||
97 | } | ||
98 | |||
99 | pub fn len(&self) -> usize { | ||
100 | self.len | ||
101 | } | ||
102 | |||
103 | pub fn push(&mut self, c: char) { | ||
104 | assert!(self.len() < self.buf.len()); | ||
105 | assert!(c.is_ascii()); | ||
106 | |||
107 | self.buf[self.len] = c as u8; | ||
108 | self.len += 1; | ||
109 | } | ||
110 | } | ||
111 | |||
112 | impl<'a> Deref for MutAsciiString<'a> { | ||
113 | type Target = str; | ||
114 | fn deref(&self) -> &str { | ||
115 | self.as_str() | ||
116 | } | ||
117 | } | ||