8f1c18d9f4
This PR improves pretty printing of level metavariables: they now print with a per-definition index rather than their per-module internal identifiers. Furthermore, `+` is printed uniformly in level expressions with surrounding spaces. **Breaking metaprogramming change:** level pretty printing should use `delabLevel` or `MessageData.ofLevel`; functions such as `format` or `toString` do not have access to the indices, since they are stored in the current metacontext. Absent index information, metavariables print with the raw internal identifier as `?_mvar.nnn`. **Note:** The heartbeat counter also increases quicker due to counting allocations that record level metavariable indices. In some tests we needed to increase `maxHeartbeats` by 20–50% to compensate, without a corresponding slowdown.
17 lines
261 B
Text
17 lines
261 B
Text
/--
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error: unsolved goals
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A : Nat
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⊢ Sort ?u.2
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-/
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#guard_msgs in
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variable (A : Nat) (B : by skip)
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/-- error: Failed to infer type of definition `foo` -/
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#guard_msgs in
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def foo :=
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A = B
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/-- warning: declaration uses `sorry` -/
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#guard_msgs in
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def boo :=
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B
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