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expand: Unimplement `MutVisitor` on `MacroExpander` #63537

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merged 2 commits into from Aug 15, 2019

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commented Aug 13, 2019

Each call to fully_expand_fragment is something unique, interesting, and requiring attention.
It represents a "root" of expansion and its use means that something unusual is happening, like eager expansion or expansion performed outside of the primary expansion pass.
So, it shouldn't hide under a generic visitor call.

Also, from all the implemented visitor methods only two were actually used.

cc #63468 (comment)

petrochenkov added some commits Aug 13, 2019

expand: Unimplement `MutVisitor` on `MacroExpander`
Each call to `fully_expand_fragment` is something unique, interesting, and requiring attention.
It represents a "root" of expansion and its use means that something unusual is happening, like eager expansion or expansion performed outside of the primary expansion pass.
So, it shouldn't be hide under a generic visitor call.

Also, from all the implemented visitor methods only two were actually used.
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commented Aug 13, 2019

r? @alexcrichton

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commented Aug 14, 2019

@bors: r+

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commented Aug 14, 2019

📌 Commit d416ebe has been approved by alexcrichton

Centril added a commit to Centril/rust that referenced this pull request Aug 14, 2019

Rollup merge of rust-lang#63537 - petrochenkov:novisit, r=alexcrichton
expand: Unimplement `MutVisitor` on `MacroExpander`

Each call to `fully_expand_fragment` is something unique, interesting, and requiring attention.
It represents a "root" of expansion and its use means that something unusual is happening, like eager expansion or expansion performed outside of the primary expansion pass.
So, it shouldn't hide under a generic visitor call.

Also, from all the implemented visitor methods only two were actually used.

cc rust-lang#63468 (comment)

bors added a commit that referenced this pull request Aug 14, 2019

Auto merge of #63557 - Centril:rollup-r1c65e7, r=Centril
Rollup of 10 pull requests

Successful merges:

 - #62984 (Add lint for excess trailing semicolons)
 - #63075 (Miri: Check that a ptr is aligned and inbounds already when evaluating `*`)
 - #63175 (rustc: implement argsfiles for command line)
 - #63490 (libsyntax: cleanup and refactor `pat.rs`)
 - #63495 ( Remove redundant `ty` fields from `mir::Constant` and `hair::pattern::PatternRange`.)
 - #63509 (Point at the right enclosing scope when using `await` in non-async fn)
 - #63528 (syntax: Remove `DummyResult::expr_only`)
 - #63534 (Bump to 1.39)
 - #63537 (expand: Unimplement `MutVisitor` on `MacroExpander`)
 - #63542 (Add NodeId for Arm, Field and FieldPat)

Failed merges:

r? @ghost

Centril added a commit to Centril/rust that referenced this pull request Aug 14, 2019

Rollup merge of rust-lang#63537 - petrochenkov:novisit, r=alexcrichton
expand: Unimplement `MutVisitor` on `MacroExpander`

Each call to `fully_expand_fragment` is something unique, interesting, and requiring attention.
It represents a "root" of expansion and its use means that something unusual is happening, like eager expansion or expansion performed outside of the primary expansion pass.
So, it shouldn't hide under a generic visitor call.

Also, from all the implemented visitor methods only two were actually used.

cc rust-lang#63468 (comment)

bors added a commit that referenced this pull request Aug 14, 2019

Auto merge of #63563 - Centril:rollup-j9nld0c, r=Centril
Rollup of 10 pull requests

Successful merges:

 - #62984 (Add lint for excess trailing semicolons)
 - #63075 (Miri: Check that a ptr is aligned and inbounds already when evaluating `*`)
 - #63490 (libsyntax: cleanup and refactor `pat.rs`)
 - #63495 ( Remove redundant `ty` fields from `mir::Constant` and `hair::pattern::PatternRange`.)
 - #63509 (Point at the right enclosing scope when using `await` in non-async fn)
 - #63528 (syntax: Remove `DummyResult::expr_only`)
 - #63534 (Bump to 1.39)
 - #63537 (expand: Unimplement `MutVisitor` on `MacroExpander`)
 - #63542 (Add NodeId for Arm, Field and FieldPat)
 - #63560 (move test that shouldn't be in test/run-pass/)

Failed merges:

r? @ghost

Centril added a commit to Centril/rust that referenced this pull request Aug 14, 2019

Rollup merge of rust-lang#63537 - petrochenkov:novisit, r=alexcrichton
expand: Unimplement `MutVisitor` on `MacroExpander`

Each call to `fully_expand_fragment` is something unique, interesting, and requiring attention.
It represents a "root" of expansion and its use means that something unusual is happening, like eager expansion or expansion performed outside of the primary expansion pass.
So, it shouldn't hide under a generic visitor call.

Also, from all the implemented visitor methods only two were actually used.

cc rust-lang#63468 (comment)

bors added a commit that referenced this pull request Aug 14, 2019

Auto merge of #63571 - Centril:rollup-v2rciiu, r=Centril
Rollup of 10 pull requests

Successful merges:

 - #62984 (Add lint for excess trailing semicolons)
 - #63075 (Miri: Check that a ptr is aligned and inbounds already when evaluating `*`)
 - #63490 (libsyntax: cleanup and refactor `pat.rs`)
 - #63495 ( Remove redundant `ty` fields from `mir::Constant` and `hair::pattern::PatternRange`.)
 - #63528 (syntax: Remove `DummyResult::expr_only`)
 - #63534 (Bump to 1.39)
 - #63537 (expand: Unimplement `MutVisitor` on `MacroExpander`)
 - #63542 (Add NodeId for Arm, Field and FieldPat)
 - #63560 (move test that shouldn't be in test/run-pass/)
 - #63570 (Adjust tracking issues for `MaybeUninit<T>` gates)

Failed merges:

r? @ghost

Centril added a commit to Centril/rust that referenced this pull request Aug 14, 2019

Rollup merge of rust-lang#63537 - petrochenkov:novisit, r=alexcrichton
expand: Unimplement `MutVisitor` on `MacroExpander`

Each call to `fully_expand_fragment` is something unique, interesting, and requiring attention.
It represents a "root" of expansion and its use means that something unusual is happening, like eager expansion or expansion performed outside of the primary expansion pass.
So, it shouldn't hide under a generic visitor call.

Also, from all the implemented visitor methods only two were actually used.

cc rust-lang#63468 (comment)

bors added a commit that referenced this pull request Aug 15, 2019

Auto merge of #63575 - Centril:rollup-anlv9g5, r=Centril
Rollup of 11 pull requests

Successful merges:

 - #62984 (Add lint for excess trailing semicolons)
 - #63075 (Miri: Check that a ptr is aligned and inbounds already when evaluating `*`)
 - #63490 (libsyntax: cleanup and refactor `pat.rs`)
 - #63507 (When needing type annotations in local bindings, account for impl Trait and closures)
 - #63509 (Point at the right enclosing scope when using `await` in non-async fn)
 - #63528 (syntax: Remove `DummyResult::expr_only`)
 - #63537 (expand: Unimplement `MutVisitor` on `MacroExpander`)
 - #63542 (Add NodeId for Arm, Field and FieldPat)
 - #63543 (Merge Variant and Variant_)
 - #63560 (move test that shouldn't be in test/run-pass/)
 - #63570 (Adjust tracking issues for `MaybeUninit<T>` gates)

Failed merges:

r? @ghost
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commented Aug 15, 2019

☔️ The latest upstream changes (presumably #63575) made this pull request unmergeable. Please resolve the merge conflicts.

@bors bors merged commit d416ebe into rust-lang:master Aug 15, 2019

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