lean4-htt/tests/lean/interactive/incrementalCommand.lean
Sebastian Ullrich 7b3c64fc85
feat: trailing whitespace changes should not invalidate imports (#4580)
Thus, starting to type the first declaration after the imports should
not make them reload
2024-07-24 13:08:01 +00:00

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/-!
Comments after a command may become part of the next command on edits.
(Note that this module doc is a command on its own)
-/
--v sync
--v insert: "-"
/-
info: "3.14"
-/
#guard_msgs in
#eval "3.14"
--^ collectDiagnostics
-- (should be empty if edit was handled correctly)
/-! Same, after header -/
-- RESET
import Init
--v sync
--v insert: "-"
/-
info: "3.14"
-/
#guard_msgs in
#eval "3.14"
--^ collectDiagnostics
-- (should be empty if edit was handled correctly)
/-! Commands not marked as `[incremental]` should not allow accidental reuse in unknown contexts. -/
-- RESET
import Lean
open Lean Elab Command in
elab "wrap" num c:command : command => do
elabCommand c
--v change: "1" "2"
wrap 1 def wrapped := by
dbg_trace "w"
/-!
The example used to result in nothing but "declaration uses 'sorry'" (and using the downstream
"unreachable tactic" linter, the `simp` would be flagged) as `simp` among other elaborators
accidentally swallowed the interrupt exception.
-/
-- RESET
import Lean
open Lean Elab Core in
elab "interrupt" : tactic =>
throw <| .internal interruptExceptionId
example : False := by
interrupt
simp
--^ collectDiagnostics
/-!
Trailing whitespace should not invalidate the module header. Note that in case of a regression, this
test case will currently deadlock. In any case, it should not succeed as interactive tests
communicate with one worker process only.
-/
-- RESET
import Init.Prelude
--^ collectDiagnostics
--^ insert: " "
--^ collectDiagnostics
#eval "import"