fcbd1037fd
This PR consolidates common attribute-related error messages into reusable functions and updates the wording and formatting of relevant error messages.
43 lines
1.2 KiB
Text
43 lines
1.2 KiB
Text
import Lean
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/-!
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# Attribute Errors
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Tests errors generated by the core attribute infrastructure. Does *not* test errors generated by
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attributes' individual preprocessing (e.g., `[reducible]`).
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-/
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/-- error: Unknown attribute `[nonexistent_attribute]` -/
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#guard_msgs in
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@[nonexistent_attribute] def x := 32
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/--
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error: Cannot add attribute `[unused_variables_ignore_fn]`: Declaration `notAnIgnoreFn` has type
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Bool
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but `[unused_variables_ignore_fn]` can only be added to declarations of type
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Lean.Linter.IgnoreFunction
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-/
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#guard_msgs in
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@[unused_variables_ignore_fn] def notAnIgnoreFn := true
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/--
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error: Cannot add attribute `[expose]`: This attribute can only be added when declaring a `def`
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-/
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#guard_msgs in
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@[expose] theorem t : True := trivial
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def foo := ()
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/--
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error: Cannot add attribute `[expose]`: This attribute can only be added when declaring a `def`
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-/
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#guard_msgs in
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attribute [expose] foo
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/-- error: Attribute `[expose]` cannot be erased -/
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#guard_msgs in
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attribute [-expose] Nat.add
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/--
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error: Cannot add attribute `[missing_docs_handler]` to declaration `Nat.succ` because it is in an imported module
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-/
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#guard_msgs in
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attribute [missing_docs_handler] Nat.succ
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