bjoernager/rust
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rustdoc: Catch fatal errors when syntax highlighting

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For some errors the lexer will unwind so we need to handle that in addition to handling `token::Unknown`.
This commit is contained in:
Oliver Middleton 2020-01-17 23:44:44 +00:00
parent 689fca01c5
commit 79061d0e02
5 changed files with 34 additions and 4 deletions
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5
src/librustdoc/passes/check_code_block_syntax.rs
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@ -40,7 +40,7 @@ impl<'a, 'tcx> SyntaxChecker<'a, 'tcx> {
dox[code_block.code].to_owned(),
);
let validation_status = {
let validation_status = rustc_driver::catch_fatal_errors(|| {
let mut has_syntax_errors = false;
let mut only_whitespace = true;
// even if there is a syntax error, we need to run the lexer over the whole file
@ -61,7 +61,8 @@ impl<'a, 'tcx> SyntaxChecker<'a, 'tcx> {
} else {
None
}
};
})
.unwrap_or(Some(CodeBlockInvalid::SyntaxError));
if let Some(code_block_invalid) = validation_status {
let mut diag = if let Some(sp) =