b3f9117a2d
Give a name to each distinct manipulation of pretty-printer FixupContext There are only 7 distinct ways that the AST pretty-printer interacts with FixupContext: 3 constructors (including Default), 2 transformations, and 2 queries. This PR turns these into associated functions which can be documented with examples. This PR unblocks https://github.com/rust-lang/rust/pull/119427#discussion_r1439481201. In order to improve the pretty-printer's behavior regarding parenthesization of braced macro calls in match arms, which have different grammar than macro calls in statements, FixupContext needs to be extended with 2 new fields. In the previous approach, that would be onerous. In the new approach, all it entails is 1 new constructor (`FixupContext::new_match_arm()`). |
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