Some simple improvements to MIR pretty printing #33607
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In short, this PR changes the MIR printer so that it: * places an empty line between the MIR for each item * does *not* write an empty line before the first BB when there are no var decls * aligns the "// Scope" comments 50 chars in (makes the output more readable) * prints the scope comments as "// scope N at ..." instead of "// Scope(N) at ..." * prints a prettier scope tree: * no more unbalanced delimiters! * no more "Parent" entry (these convey no useful information) * drop the "Scope()" and just print scope IDs * no braces when the scope is empty
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r? @nrc (rust_highfive has picked a reviewer for you, use r? to override) |
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I'll make the scope tree printing much smaller tomorrow, so hang on until then :) |
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🐊 this looks great, thanks for doing this. |
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I feel like scope tree would look better like this: |
40 chars is still enough indentation (most common MIR statements don't take more than 40 chars), and fits more easily in 80-character terminals.
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Updated. Also put a |
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@bors r+ Thank you! |
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📌 Commit 2c7e398 has been approved by |
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May 15, 2016
Some simple improvements to MIR pretty printing In short, this PR changes the MIR printer so that it: * places an empty line between the MIR for each item * does *not* write an empty line before the first BB when there are no var decls * aligns the "// Scope" comments 50 chars in (makes the output more readable) * prints the scope comments as "// scope N at ..." instead of "// Scope(N) at ..." * prints a prettier scope tree: * no more unbalanced delimiters! * no more "Parent" entry (these convey no useful information) * drop the "Scope()" and just print scope IDs * no braces when the scope is empty In action: https://gist.github.com/jonas-schievink/1c11226cbb112892a9470ce0f9870b65
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In short, this PR changes the MIR printer so that it:
var decls
readable)
Scope(N) at ..."
In action: https://gist.github.com/jonas-schievink/1c11226cbb112892a9470ce0f9870b65