config: Introduce RunConfig for config related to a single run #795
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Add an exported macro `impl_default_and_override` to `util`, allowing that functionality to be reused without also implementing parsing and documentation printing.
This commit introduces a `RunConfig` struct, and threads it through all libraries, binaries, and tests. While initially empty, this will be a place to store configuration related to a single run of `rustfmt`, as distinct from configuration read in from the `rustfmt.toml` file. Examples of such per-run settings include: - the `write_mode` override - the `--verbose` flag - the `--skip-children` flag - line ranges to restrict formatting to; see rust-lang#434 These will be added to `RunConfig` in later commits. refs rust-lang#434
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Thinking about this a bit more, it might not be the right abstraction. Using the same |
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I like the sound of the alternative you describe better - sounds like less complexity. |
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Yeah, I think so too. The realisation came up while trying to move I'll try and put together a PR with the alternative today so that I can actually start on #434! |
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Closing in favor of #801. |
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config: Introduce RunConfig for config related to a single run
This pull request introduces a
RunConfigstruct, and threads itthrough all libraries, binaries, and tests. It carries configuration
related to a single run of
rustfmt, as distinct from configurationread in from the
rustfmt.tomlfile. Theverboseandskip-childrensettings are moved to
RunConfig.Other examples of such per-run settings:
write_modeoverriderefs #434