syntax: Factor out common fields from `SyntaxExtension` variants - #61898

Merged

bors merged 8 commits into

rust-lang:masterfrom

petrochenkov:sekind

Jun 19, 2019

Commits on Jun 18, 2019

syntax: Factor out common fields from `SyntaxExtension` variants
petrochenkov
committed
961ba8f
allow_internal_unstable: Avoid some more allocations
petrochenkov
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679000c
syntax: Remove `DummyResolver`
petrochenkov
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085a8d0
resolve: Avoid creating fresh syntax extensions for all non-macro attributes
petrochenkov
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68e1141
syntax: Introduce `default`/`with_unstable` constructors for `ExpnInfo`
petrochenkov
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8ec502e
syntax: Move `default_transparency` into `ExpnInfo`
petrochenkov
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2de2278
hygiene: Avoid some unnecessary `ExpnInfo` clones
petrochenkov
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1ff3bce
resolve/expand: Move expansion info setting to a single earlier point
petrochenkov
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e152554