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add break to lex and create first ast

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This commit is contained in:
nora 2021-10-20 19:57:25 +02:00
parent 40a7aaac71
commit 186eb71a50
4 changed files with 110 additions and 2 deletions
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9
src/lex.rs
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@ -35,6 +35,7 @@ pub enum TokenType<'code> {
Loop,
While,
For,
Break,
True,
False,
Null,
@ -322,6 +323,8 @@ fn keyword_or_ident(name: &str) -> TokenType {
b'e' if len == 4 && bs[1..4] == *b"lse" => TokenType::Else,
// while
b'w' if len == 5 && bs[1..5] == *b"hile" => TokenType::While,
// break
b'b' if len == 5 && bs[1..5] == *b"reak" => TokenType::Break,
// true
b't' if len == 4 && bs[1..4] == *b"rue" => TokenType::True,
// null && not
@ -568,9 +571,9 @@ mod test {
#[test]
fn keywords() {
lex_test(
"let fn if else loop while for true false null and not or",
"let fn if else loop while break for true false null and not or",
vec![
Let, Fn, If, Else, Loop, While, For, True, False, Null, And, Not, Or,
Let, Fn, If, Else, Loop, While, Break, For, True, False, Null, And, Not, Or,
],
)
}
@ -611,6 +614,8 @@ mod test {
"nor",
"andnowQuestionMark",
"notOrAnd",
"breakMe",
"Ibreak",
];
let sentences = words
.iter()