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Support raw strings in lexer

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This commit is contained in:
Aleksey Kladov 2018-08-14 15:03:27 +03:00
parent 199e3b73c7
commit 109658332a
4 changed files with 52 additions and 34 deletions
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14
crates/libsyntax2/src/lexer/strings.rs
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@ -55,6 +55,11 @@ pub(crate) fn scan_string(ptr: &mut Ptr) {
}
pub(crate) fn scan_raw_string(ptr: &mut Ptr) {
let mut hashes = 0;
while ptr.next_is('#') {
hashes += 1;
ptr.bump();
}
if !ptr.next_is('"') {
return;
}
@ -62,7 +67,14 @@ pub(crate) fn scan_raw_string(ptr: &mut Ptr) {
while let Some(c) = ptr.bump() {
if c == '"' {
return;
let mut hashes_left = hashes;
while ptr.next_is('#') && hashes_left > 0{
hashes_left -= 1;
ptr.bump();
}
if hashes_left == 0 {
return;
}
}
}
}