Rework treatment of `$crate` in procedural macros - #56647

Merged

bors merged 6 commits into

rust-lang:masterfrom

petrochenkov:dcrate2

Dec 20, 2018

Commits on Dec 19, 2018

Remove `eliminate_crate_var` and special pretty-printing for `$crate`
petrochenkov
committed
4a38408
proc_macro: Validate tokens coming from the compiler again
petrochenkov
committed
8a8ef26
proc_macro: Accept `$crate` as an identifier if it comes from the compiler
petrochenkov
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2bc67da
Reintroduce special pretty-printing for `$crate` when it's necessary for proc macros
petrochenkov
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69c6628
Do not interpret mismatches from pretty-printed `$crate` as token stream invalidation
petrochenkov
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f756257
Workaround issues with crate loading during cross-compilation
petrochenkov
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edab6c7