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Add warning when whitespace is not skipped after an escaped newline.

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This commit is contained in:
Anton Golov
2021-07-30 16:09:33 +02:00
parent 1195bea5a7
commit 5d59b4412e
4 changed files with 75 additions and 8 deletions
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24
compiler/rustc_ast/src/util/literal.rs
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@@ -63,7 +63,11 @@ impl LitKind {
unescape_literal(&s, Mode::Str, &mut |_, unescaped_char| {
match unescaped_char {
Ok(c) => buf.push(c),
Err(_) => error = Err(LitError::LexerError),
Err(err) => {
if err.is_fatal() {
error = Err(LitError::LexerError);
}
}
}
});
error?;
@@ -83,7 +87,11 @@ impl LitKind {
unescape_literal(&s, Mode::RawStr, &mut |_, unescaped_char| {
match unescaped_char {
Ok(c) => buf.push(c),
Err(_) => error = Err(LitError::LexerError),
Err(err) => {
if err.is_fatal() {
error = Err(LitError::LexerError);
}
}
}
});
error?;
@@ -100,7 +108,11 @@ impl LitKind {
unescape_byte_literal(&s, Mode::ByteStr, &mut |_, unescaped_byte| {
match unescaped_byte {
Ok(c) => buf.push(c),
Err(_) => error = Err(LitError::LexerError),
Err(err) => {
if err.is_fatal() {
error = Err(LitError::LexerError);
}
}
}
});
error?;
@@ -114,7 +126,11 @@ impl LitKind {
unescape_byte_literal(&s, Mode::RawByteStr, &mut |_, unescaped_byte| {
match unescaped_byte {
Ok(c) => buf.push(c),
Err(_) => error = Err(LitError::LexerError),
Err(err) => {
if err.is_fatal() {
error = Err(LitError::LexerError);
}
}
}
});
error?;