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Extract rustc_ast_lowering crate from rustc - #67574

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Centril:librustc_lowering
Dec 31, 2019
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Extract rustc_ast_lowering crate from rustc#67574
bors merged 4 commits into
rust-lang:masterfrom
Centril:librustc_lowering

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@Centril

@CentrilCentril commented Dec 24, 2019•
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Working towards #65031.

This PR moves src/librustc/hir/lowering{/, .rs} to its own crate (librustc_ast_lowering) which is very self-contained (only fn lower_crate and trait Resolver are exposed).

r? @Mark-Simulacrum

@rust-highfiverust-highfive added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Dec 24, 2019
Centril
Centril commented Dec 24, 2019
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Comment threadsrc/librustc/hir/ptr.rs Outdated
Centril
Centril commented Dec 24, 2019
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Comment threadrustfmt.toml Outdated
@cjgillot

cjgillot commented Dec 24, 2019

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I would have tried doing the other way around: moving the HIR definition along with the lowering, as a librustc dependency.
Why did you prefer this way ?

@Centril

Centril commented Dec 24, 2019

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@cjgillot HIR is more entangled into librustc so it will take more work (which I am aiming for in a follow up). But HIR and lowering should, much like the AST and the parser, not be in the same crate.

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Mark-Simulacrum commented Dec 24, 2019

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@bors r+

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bors commented Dec 24, 2019

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📌 Commit 81b2c247b0c107b1a861b9adfe2ef4731ae8072c has been approved by Mark-Simulacrum

@borsbors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Dec 24, 2019
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⌛ Testing commit 81b2c247b0c107b1a861b9adfe2ef4731ae8072c with merge c3db61f9bba900a5fccf9a5e4c261b8e1b515de0...

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@borsbors added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. labels Dec 24, 2019
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@borsbors added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. and removed S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. labels Dec 25, 2019
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petrochenkov commented Dec 29, 2019

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perhaps rustc_ast_lowering because it transforms AST to HIR

+1

(Also, for some reason I thought the PR was already merged.)

@CentrilCentril changed the title Extract rustc_lowering crate from rustcExtract rustc_ast_lowering crate from rustcDec 31, 2019
@Centril

Centril commented Dec 31, 2019•
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  • Last HIR-arena PR has landed.
  • I've renamed the crate to rustc_ast_lowering per discussion.
  • Since this is a new crate, I went with rustc_span instead of syntax_pos from the get-go.

@bors r=Mark-Simulacrum

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📌 Commit 70eca99 has been approved by Mark-Simulacrum

Centril added a commit to Centril/rust that referenced this pull request Dec 31, 2019
@Centril
Rollup merge ofrust-lang#67574- Centril:librustc_lowering, r=Mark-S…
3cf2bc0
…imulacrum
Extract `rustc_ast_lowering` crate from `rustc`
Working towards rust-lang#65031.
This PR moves `src/librustc/hir/lowering{/, .rs}` to its own crate (`librustc_ast_lowering`) which is very self-contained (only `fn lower_crate` and `trait Resolver` are exposed).
r? @Mark-Simulacrum
@CentrilCentril mentioned this pull request Dec 31, 2019
Merged
bors added a commit that referenced this pull request Dec 31, 2019
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Auto merge of#67764- Centril:rollup-ycbq3os, r=Centril
119307a
Rollup of 6 pull requests
Successful merges:
- #67574 (Extract `rustc_ast_lowering` crate from `rustc`)
- #67685 (Constify Result)
- #67702 (Add symbol normalization for proc_macro_server.)
- #67730 (Cleanup pattern type checking, fix diagnostics bugs (+ improvements))
- #67744 (parser: reduce diversity in error handling mechanisms)
- #67748 (Use function attribute "frame-pointer" instead of "no-frame-pointer-elim")
Failed merges:
r? @ghost
@bors
bors merged commit 70eca99 into rust-lang:masterDec 31, 2019
@Centril
Centril deleted the librustc_lowering branch December 31, 2019 23:00
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