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2019-03-27Auto merge of #55780 - ogoffart:span_source_text, r=petrochenkovbors-0/+1
Introduce proc_macro::Span::source_text A function to extract the actual source behind a Span. Background: I would like to use `syn` in a `build.rs` script to parse the rust code, and extract part of the source code. However, `syn` only gives access to proc_macro2::Span, and i would like to get the source code behind that. I opened an issue on proc_macro2 bug tracker for this feature https://github.com/alexcrichton/proc-macro2/issues/110 and @alexcrichton said the feature should first go upstream in proc_macro. So there it is! Since most of the Span API is unstable anyway, this is guarded by the same `proc_macro_span` feature as everything else.
2019-02-24Use ? in some macrosTaiki Endo-16/+16
2019-02-10tests: doc commentsAlexander Regueiro-2/+2
2019-02-04libproc_macro => 2018Taiki Endo-50/+58
2018-12-26Work-around for shadowing of variant names with assoc const names in ↵Alexander Regueiro-8/+14
`libproc_macro/bridge/rpc.rs`.
2018-12-26Store `Ident` rather than just `Name` in HIR types `Item` and `ForeignItem`.Alexander Regueiro-1/+1
2018-12-25Remove licensesMark Rousskov-80/+0
2018-12-07Various minor/cosmetic improvements to codeAlexander Regueiro-6/+6
2018-12-01Introduce proc_macro::Span::source_textOlivier Goffart-0/+1
2018-11-30proc_macro: introduce a "bridge" between clients (proc macros) and servers ↵Eduard-Mihai Burtescu-0/+1982
(compiler front-ends).