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Lexer: minor

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This commit is contained in:
Aleksey Kladov 2017-12-31 15:43:12 +03:00
parent a071e09412
commit 9ccf339c17
2 changed files with 3 additions and 6 deletions
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7
src/lexer/mod.rs
View File

@ -11,7 +11,7 @@ mod numbers;
use self::numbers::scan_number;
mod strings;
use self::strings::{string_literal_start, scan_char, scan_byte_char_or_string, scan_string, scan_raw_string};
use self::strings::{is_string_literal_start, scan_char, scan_byte_char_or_string, scan_string, scan_raw_string};
pub fn next_token(text: &str) -> Token {
assert!(!text.is_empty());
@ -23,10 +23,7 @@ pub fn next_token(text: &str) -> Token {
}
fn next_token_inner(c: char, ptr: &mut Ptr) -> SyntaxKind {
// Note: r as in r" or r#" is part of a raw string literal,
// b as in b' is part of a byte literal.
// They are not identifiers, and are handled further down.
let ident_start = is_ident_start(c) && !string_literal_start(c, ptr.next(), ptr.nnext());
let ident_start = is_ident_start(c) && !is_string_literal_start(c, ptr.next(), ptr.nnext());
if ident_start {
return scan_ident(c, ptr);
}

2
src/lexer/strings.rs
View File

@ -3,7 +3,7 @@ use syntax_kinds::*;
use lexer::ptr::Ptr;
pub(crate) fn string_literal_start(c: char, c1: Option<char>, c2: Option<char>) -> bool {
pub(crate) fn is_string_literal_start(c: char, c1: Option<char>, c2: Option<char>) -> bool {
match (c, c1, c2) {
('r', Some('"'), _) |
('r', Some('#'), _) |