Make the tree structure more explicit in parse dumps (#7591)

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It's hard to track 2-space indent levels across large vertical gaps, and
it can be hard to suppress the instinct to read the dump as if it were
preorder. This change introduces a new dump mode that addresses both
problems by using box-drawing characters to explicitly represent the
parent-child edges of the tree. This new mode is the default, but the
old behavior remains available with
`--parse-dump-format=yaml-postorder`.

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This commit is contained in:

Geoff Romer

2026-07-31 16:44:18 +00:00

committed by GitHub

parent 2c91e5f5de

commit 6429c1655c

343 changed files with 11839 additions and 12185 deletions

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toolchain/parse/testdata/struct/struct_pattern.carbon

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+760 -798

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