diff options
| author | moe <35686186+csmoe@users.noreply.github.com> | 2018-02-17 22:22:26 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-02-17 22:22:26 +0800 |
| commit | 2cf683edc0c0481906749517cbefe631f7ed79d9 (patch) | |
| tree | 8d2e8a91d176ed9193747a0d85f91b57d3c13ddb /src/libsyntax | |
| parent | 0be2dc8d9b4765e59cf9bbf3d342de00fa1b9aec (diff) | |
| parent | b85bd51c944f8cbe3a9c4cc95b61e08e5f338052 (diff) | |
| download | rust-2cf683edc0c0481906749517cbefe631f7ed79d9.tar.gz rust-2cf683edc0c0481906749517cbefe631f7ed79d9.zip | |
Merge branch 'master' into inform_type_annotations
Diffstat (limited to 'src/libsyntax')
| -rw-r--r-- | src/libsyntax/codemap.rs | 8 | ||||
| -rw-r--r-- | src/libsyntax/feature_gate.rs | 2 | ||||
| -rw-r--r-- | src/libsyntax/parse/parser.rs | 21 |
3 files changed, 22 insertions, 9 deletions
diff --git a/src/libsyntax/codemap.rs b/src/libsyntax/codemap.rs index 3601b9ba8a8..ff6f32fc3be 100644 --- a/src/libsyntax/codemap.rs +++ b/src/libsyntax/codemap.rs @@ -690,14 +690,16 @@ impl CodeMap { return 1; } + let src = local_begin.fm.external_src.borrow(); + // We need to extend the snippet to the end of the src rather than to end_index so when // searching forwards for boundaries we've got somewhere to search. let snippet = if let Some(ref src) = local_begin.fm.src { let len = src.len(); - (&src[start_index..len]).to_string() - } else if let Some(src) = local_begin.fm.external_src.borrow().get_source() { + (&src[start_index..len]) + } else if let Some(src) = src.get_source() { let len = src.len(); - (&src[start_index..len]).to_string() + (&src[start_index..len]) } else { return 1; }; diff --git a/src/libsyntax/feature_gate.rs b/src/libsyntax/feature_gate.rs index ea916d5168c..3b137f9570a 100644 --- a/src/libsyntax/feature_gate.rs +++ b/src/libsyntax/feature_gate.rs @@ -541,7 +541,7 @@ declare_features! ( // instead of just the platforms on which it is the C ABI (accepted, abi_sysv64, "1.24.0", Some(36167)), // Allows `repr(align(16))` struct attribute (RFC 1358) - (accepted, repr_align, "1.24.0", Some(33626)), + (accepted, repr_align, "1.25.0", Some(33626)), // allow '|' at beginning of match arms (RFC 1925) (accepted, match_beginning_vert, "1.25.0", Some(44101)), // Nested groups in `use` (RFC 2128) diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs index dc3745fc4a3..ac582627f88 100644 --- a/src/libsyntax/parse/parser.rs +++ b/src/libsyntax/parse/parser.rs @@ -4859,19 +4859,30 @@ impl<'a> Parser<'a> { |p| { if p.token == token::DotDotDot { p.bump(); + variadic = true; if allow_variadic { if p.token != token::CloseDelim(token::Paren) { let span = p.span; p.span_err(span, "`...` must be last in argument list for variadic function"); } + Ok(None) } else { - let span = p.span; - p.span_err(span, - "only foreign functions are allowed to be variadic"); + let span = p.prev_span; + if p.token == token::CloseDelim(token::Paren) { + // continue parsing to present any further errors + p.struct_span_err( + span, + "only foreign functions are allowed to be variadic" + ).emit(); + Ok(Some(dummy_arg(span))) + } else { + // this function definition looks beyond recovery, stop parsing + p.span_err(span, + "only foreign functions are allowed to be variadic"); + Ok(None) + } } - variadic = true; - Ok(None) } else { match p.parse_arg_general(named_args) { Ok(arg) => Ok(Some(arg)), |
