parse: unify item parsing & filter illegal item kinds - #69366

Merged

bors merged 17 commits into

rust-lang:masterfrom

Centril:unified-items

Feb 24, 2020

Commits on Feb 23, 2020

add `Span` to `ast::Defaultness::Default`.
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fa2a792
`parse_defaultness`: avoid hardcoded list of keywords.
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d41fc13
ast: add `Defaultness` to `Item`, making `AssocItem` an alias.
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7017058
parse: extract `error_on_unmatched_vis`.
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9ed4c09
parse: recover `default` on free items.
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a920a05
parse: use `parse_item_common` in `parse_foreign_item`.
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a63f35d
parse: use `parse_item_common` in `parse_assoc_item_`.
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a05c83b
parse: move token hack into `parse_item_common`.
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a3b0829
parse: harden `default` test.
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abc46a5
parser: refactor away at_end
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d446c73
parser: tweak unmatched wording
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ab84914
parser: tweak item kind wording
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b01c1e2
parse: `NtItem` -> `parse_item_common`.
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842027f
parse/ast: move `Defaultness` into variants.
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62930d3
parse: tweak `parse_item_` for more reuse.
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e66a39b
parse: tweak diagnostic wordings
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fde5939
parse: test bad variants wrt. issue 48137.
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1c75f5a