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rustc_ast: Do not panic by default when visiting macro calls #78710

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merged 2 commits into from
Nov 10, 2020

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petrochenkov
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Panicking by default made sense when we didn't have HIR or MIR and everything worked on AST, but now all AST visitors run early and majority of them have to deal with macro calls, often by ignoring them.

The second commit renames visit_mac to visit_mac_call, the corresponding structures were renamed earlier in #69589.

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r? @eddyb

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@rust-highfive rust-highfive added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Nov 3, 2020
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r? @davidtwco

@rust-highfive rust-highfive assigned davidtwco and unassigned eddyb Nov 5, 2020
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LGTM!

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@bors r+

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bors commented Nov 8, 2020

📌 Commit 90fafc8 has been approved by davidtwco

@bors bors 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 Nov 8, 2020
bors added a commit to rust-lang-ci/rust that referenced this pull request Nov 10, 2020
Rollup of 12 pull requests

Successful merges:

 - rust-lang#74754 (Add `#[cfg(panic = '...')]`)
 - rust-lang#76468 (Improve lifetime name annotations for closures & async functions)
 - rust-lang#77016 (Test clippy on PR CI on changes)
 - rust-lang#78480 (BTreeMap: fix pointer provenance rules)
 - rust-lang#78502 (Update Chalk to 0.36.0)
 - rust-lang#78513 (Infer the default host target from the host toolchain if possible)
 - rust-lang#78566 (Enable LLVM Polly via llvm-args.)
 - rust-lang#78580 (inliner: Break inlining cycles)
 - rust-lang#78710 (rustc_ast: Do not panic by default when visiting macro calls)
 - rust-lang#78746 (Demote i686-unknown-freebsd to tier 2 compiler target)
 - rust-lang#78830 (fix `super_visit_with` for `Terminator`)
 - rust-lang#78844 (Monomorphize a type argument of size-of operation during codegen)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup
@bors bors merged commit 8ebca24 into rust-lang:master Nov 10, 2020
@rustbot rustbot added this to the 1.49.0 milestone Nov 10, 2020
flip1995 pushed a commit to flip1995/rust that referenced this pull request Nov 20, 2020
rustc_ast: Do not panic by default when visiting macro calls

Panicking by default made sense when we didn't have HIR or MIR and everything worked on AST, but now all AST visitors run early and majority of them have to deal with macro calls, often by ignoring them.

The second commit renames `visit_mac` to `visit_mac_call`, the corresponding structures were renamed earlier in rust-lang#69589.
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6 participants