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no escape

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This commit is contained in:
Aleksey Kladov 2018-08-22 13:22:06 +03:00
parent e8dfb92641
commit a4f140b0f3
7 changed files with 39 additions and 17 deletions
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45
crates/libsyntax2/src/lexer/strings.rs
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@ -15,22 +15,23 @@ pub(crate) fn is_string_literal_start(c: char, c1: Option<char>, c2: Option<char
}
pub(crate) fn scan_char(ptr: &mut Ptr) {
loop {
if ptr.next_is('\\') {
ptr.bump();
if ptr.next_is('\\') || ptr.next_is('\'') {
while let Some(c) = ptr.next() {
match c {
'\\' => {
ptr.bump();
if ptr.next_is('\\') || ptr.next_is('\'') {
ptr.bump();
}
}
'\'' => {
ptr.bump();
return;
}
'\n' => return,
_ => {
ptr.bump();
}
continue;
}
if ptr.next_is('\'') {
ptr.bump();
return;
}
if ptr.next_is('\n') {
break;
}
ptr.bump();
}
}
@ -56,9 +57,21 @@ pub(crate) fn scan_byte_char_or_string(ptr: &mut Ptr) -> SyntaxKind {
}
pub(crate) fn scan_string(ptr: &mut Ptr) {
while let Some(c) = ptr.bump() {
if c == '"' {
return;
while let Some(c) = ptr.next() {
match c {
'\\' => {
ptr.bump();
if ptr.next_is('\\') || ptr.next_is('"') {
ptr.bump();
}
}
'"' => {
ptr.bump();
return;
}
_ => {
ptr.bump();
},
}
}
}