Aaron Hill 6c14aad58e Improve handling of spans around macro result parse errors ... Fixes #81543 After we expand a macro, we try to parse the resulting tokens as a AST node. This commit makes several improvements to how we handle spans when an error occurs: * Only ovewrite the original `Span` if it's a dummy span. This preserves a more-specific span if one is available. * Use `self.prev_token` instead of `self.token` when emitting an error message after encountering EOF, since an EOF token always has a dummy span * Make `SourceMap::next_point` leave dummy spans unused. A dummy span does not have a logical 'next point', since it's a zero-length span. Re-using the span span preserves its 'dummy-ness' for other checks		2021-01-31 15:24:34 -05:00
..
mbe	Add SEMICOLON_IN_EXPRESSIONS_FROM_MACROS lint	2021-01-28 08:51:43 -05:00
mut_visit	rustc_ast: visit_mac -> visit_mac_call	2020-11-03 23:39:51 +03:00
parse	Force token collection to run when parsing nonterminals	2021-01-20 18:09:32 -05:00
tokenstream	mv compiler to compiler/	2020-08-30 18:45:07 +03:00
base.rs	Make -Z time-passes less noisy	2021-01-23 11:44:46 -05:00
build.rs	Properly handle attributes on statements	2020-11-26 17:08:35 -05:00
config.rs	Use Option::map_or instead of .map(..).unwrap_or(..)	2021-01-14 19:23:59 +01:00
expand.rs	Improve handling of spans around macro result parse errors	2021-01-31 15:24:34 -05:00
lib.rs	Remove some no longer necessary #[cfg(test)]s	2020-12-12 19:20:37 +03:00
mbe.rs	Revert "Promote missing_fragment_specifier to hard error"	2020-12-22 09:33:16 -05:00
module.rs	Syntactically permit unsafety on mods	2020-09-10 06:56:33 -07:00
placeholders.rs	resolve/expand: Improve attribute expansion on macro definitions and calls	2021-01-09 18:43:01 +03:00
proc_macro.rs	Force token collection to run when parsing nonterminals	2021-01-20 18:09:32 -05:00
proc_macro_server.rs	rustc_parse: Better spans for synthesized token streams	2021-01-07 17:48:13 +03:00
tests.rs	remove redundant closures (clippy::redundant_closure)	2021-01-03 13:34:24 +01:00