sql_ast/dialect/generic.rs
1// Licensed under the Apache License, Version 2.0 (the "License");
2// you may not use this file except in compliance with the License.
3// You may obtain a copy of the License at
4//
5// http://www.apache.org/licenses/LICENSE-2.0
6//
7// Unless required by applicable law or agreed to in writing, software
8// distributed under the License is distributed on an "AS IS" BASIS,
9// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
10// See the License for the specific language governing permissions and
11// limitations under the License.
12
13use crate::dialect::Dialect;
14
15#[derive(Debug)]
16pub struct GenericDialect {}
17
18impl Dialect for GenericDialect {
19 fn is_identifier_start(&self, ch: char) -> bool {
20 (ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z') || ch == '_' || ch == '#' || ch == '@'
21 }
22
23 fn is_identifier_part(&self, ch: char) -> bool {
24 (ch >= 'a' && ch <= 'z')
25 || (ch >= 'A' && ch <= 'Z')
26 || (ch >= '0' && ch <= '9')
27 || ch == '@'
28 || ch == '$'
29 || ch == '#'
30 || ch == '_'
31 }
32}