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Auto merge of #50296 - cmdd:master, r=nikomatsakis

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Add error message for using >= 65535 hashes for raw string literal escapes

Fixes #50111.
This commit is contained in:
bors
2018-06-15 19:05:25 +00:00
parent 24edc416ab 313d6c53df
commit 967c1f3be1
1 changed files with 14 additions and 0 deletions
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14
src/libsyntax/parse/lexer/mod.rs
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@@ -1450,6 +1450,13 @@ impl<'a> StringReader<'a> {
self.bump();
let mut hash_count: u16 = 0;
while self.ch_is('#') {
if hash_count == 65535 {
let bpos = self.next_pos;
self.fatal_span_(start_bpos,
bpos,
"too many `#` symbols: raw strings may be \
delimited by up to 65535 `#` symbols").raise();
}
self.bump();
hash_count += 1;
}
@@ -1680,6 +1687,13 @@ impl<'a> StringReader<'a> {
self.bump();
let mut hash_count = 0;
while self.ch_is('#') {
if hash_count == 65535 {
let bpos = self.next_pos;
self.fatal_span_(start_bpos,
bpos,
"too many `#` symbols: raw byte strings may be \
delimited by up to 65535 `#` symbols").raise();
}
self.bump();
hash_count += 1;
}