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lean4-htt/tests/lean/interactive/plainGoal.lean.expected.out
Kyle Miller 5d54b0b13f
fix: erroneous "no goals" in empty tactic list in induction/cases and other tactic info improvements (#9553) 
This PR fixes a bug introduced in #7830 where if the cursor is at the
indicated position
```lean
example (as bs : List Nat) : (as.append bs).length = as.length + bs.length := by
  induction as with
  | nil => -- cursor
  | cons b bs ih =>
```
then the Infoview would show "no goals" rather than the `nil` goal. The
PR also fixes a separate bug where placing the cursor on the next line
after the `induction`/`cases` tactics like in
```lean
  induction as with
  | nil => sorry
  | cons b bs ih => sorry
  I -- < cursor
```
would report the original goal in the goal list. Furthermore, there are
numerous improvements to error recovery (including `allGoals`-type logic
for pre-tactics) and the visible tactic states when there are errors.
Adds `Tactic.throwOrLogErrorAt`/`Tactic.throwOrLogError` for throwing or
logging errors depending on the recovery state.
2025-07-26 23:15:31 +00:00

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{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 0, "character": 20}}
{"rendered": "```lean\nα : Sort ?u\n⊢ α → α\n```",
"goals": ["α : Sort ?u\n⊢ α → α"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 0, "character": 21}}
{"rendered": "```lean\nα : Sort ?u\n⊢ α → α\n```",
"goals": ["α : Sort ?u\n⊢ α → α"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 3, "character": 2}}
{"rendered": "```lean\nα : Sort ?u\n⊢ α → α\n```",
"goals": ["α : Sort ?u\n⊢ α → α"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 3, "character": 3}}
{"rendered": "```lean\nα : Sort ?u\na : α\n⊢ α\n```",
"goals": ["α : Sort ?u\na : α\n⊢ α"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 7, "character": 3}}
{"rendered": "```lean\nα : Sort ?u\na : α\n⊢ α\n```",
"goals": ["α : Sort ?u\na : α\n⊢ α"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 10, "character": 20}}
{"rendered": "```lean\nα : Sort ?u\n⊢ α → α\n```",
"goals": ["α : Sort ?u\n⊢ α → α"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 15, "character": 9}}
{"rendered": "```lean\ncase zero\n⊢ 0 + 0 = 0\n```",
"goals": ["case zero\n⊢ 0 + 0 = 0"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 17, "character": 5}}
{"rendered":
"```lean\ncase succ\nn✝ : Nat\na✝ : 0 + n✝ = n✝\n⊢ 0 + (n✝ + 1) = n✝ + 1\n```",
"goals": ["case succ\nn✝ : Nat\na✝ : 0 + n✝ = n✝\n⊢ 0 + (n✝ + 1) = n✝ + 1"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 21, "character": 9}}
{"rendered": "```lean\nα : Sort ?u\na : α\n⊢ α\n```",
"goals": ["α : Sort ?u\na : α\n⊢ α"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 21, "character": 10}}
{"rendered": "```lean\nα : Sort ?u\na : α\n⊢ α\n```",
"goals": ["α : Sort ?u\na : α\n⊢ α"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 21, "character": 11}}
{"rendered": "```lean\nα : Sort ?u\na : α\n⊢ α\n```",
"goals": ["α : Sort ?u\na : α\n⊢ α"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 27, "character": 3}}
{"rendered": "```lean\nn m : Nat\nh1 : n = m\nh2 : m = 0\n⊢ 0 = n\n```",
"goals": ["n m : Nat\nh1 : n = m\nh2 : m = 0\n⊢ 0 = n"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 27, "character": 9}}
{"rendered": "```lean\nn m : Nat\nh1 : n = m\nh2 : m = 0\n⊢ 0 = m\n```",
"goals": ["n m : Nat\nh1 : n = m\nh2 : m = 0\n⊢ 0 = m"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 27, "character": 13}}
{"rendered": "no goals", "goals": []}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 34, "character": 3}}
{"rendered": "```lean\ncase zero\n⊢ 0 + 0 = 0\n```",
"goals": ["case zero\n⊢ 0 + 0 = 0"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 40, "character": 3}}
{"rendered":
"```lean\ncase zero\n⊢ 0 + 0 = 0\n```\n---\n```lean\ncase succ\nn✝ : Nat\na✝ : 0 + n✝ = n✝\n⊢ 0 + (n✝ + 1) = n✝ + 1\n```",
"goals":
["case zero\n⊢ 0 + 0 = 0",
"case succ\nn✝ : Nat\na✝ : 0 + n✝ = n✝\n⊢ 0 + (n✝ + 1) = n✝ + 1"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 44, "character": 3}}
{"rendered":
"```lean\ncase zero\n⊢ 0 + 0 = 0\n```\n---\n```lean\ncase succ\nn✝ : Nat\n⊢ 0 + (n✝ + 1) = n✝ + 1\n```",
"goals":
["case zero\n⊢ 0 + 0 = 0", "case succ\nn✝ : Nat\n⊢ 0 + (n✝ + 1) = n✝ + 1"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 48, "character": 3}}
{"rendered": "```lean\na b : Nat\n⊢ a = b\n```",
"goals": ["a b : Nat\n⊢ a = b"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 51, "character": 20}}
{"rendered": "```lean\nα : Sort ?u\n⊢ α → α\n```",
"goals": ["α : Sort ?u\n⊢ α → α"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 55, "character": 3}}
{"rendered":
"```lean\nα : Sort u_1\np : α → Prop\na b : α\ninst✝ : DecidablePred p\nh : ∀ {p : α → Prop} [DecidablePred p], p a → p b\n⊢ p a\n```",
"goals":
["α : Sort u_1\np : α → Prop\na b : α\ninst✝ : DecidablePred p\nh : ∀ {p : α → Prop} [DecidablePred p], p a → p b\n⊢ p a"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 61, "character": 3}}
{"rendered": "```lean\ncase left\n⊢ True\n```", "goals": ["case left\n⊢ True"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 63, "character": 3}}
{"rendered": "```lean\ncase right\n⊢ False\n```",
"goals": ["case right\n⊢ False"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 68, "character": 3}}
{"rendered": "```lean\ncase left\n⊢ True\n```", "goals": ["case left\n⊢ True"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 70, "character": 3}}
{"rendered": "```lean\ncase right\n⊢ False\n```",
"goals": ["case right\n⊢ False"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 78, "character": 29}}
{"rendered":
"```lean\nt a n✝ : Nat\na✝ : t * (a + n✝) = t * a + t * n✝\n⊢ t * (a + n✝) + t = t * a + t * (n✝ + 1)\n```\n---\n```lean\nt a n✝ : Nat\na✝ : t * (a + n✝) = t * a + t * n✝\n⊢ t * (a + n✝) + t = t * a + (t * n✝ + t)\n```\n---\n```lean\nt a n✝ : Nat\na✝ : t * (a + n✝) = t * a + t * n✝\n⊢ t * (a + n✝) + t = t * a + (t * n✝ + t)\n```",
"goals":
["t a n✝ : Nat\na✝ : t * (a + n✝) = t * a + t * n✝\n⊢ t * (a + n✝) + t = t * a + t * (n✝ + 1)",
"t a n✝ : Nat\na✝ : t * (a + n✝) = t * a + t * n✝\n⊢ t * (a + n✝) + t = t * a + (t * n✝ + t)",
"t a n✝ : Nat\na✝ : t * (a + n✝) = t * a + t * n✝\n⊢ t * (a + n✝) + t = t * a + (t * n✝ + t)"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 82, "character": 53}}
{"rendered":
"```lean\ncase nil\nα : Type u_1\nbs cs : List α\n⊢ [] ++ bs ++ cs = [] ++ (bs ++ cs)\n```",
"goals":
["case nil\nα : Type u_1\nbs cs : List α\n⊢ [] ++ bs ++ cs = [] ++ (bs ++ cs)"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 82, "character": 54}}
{"rendered":
"```lean\ncase nil\nα : Type u_1\nbs cs : List α\n⊢ [] ++ bs ++ cs = [] ++ (bs ++ cs)\n```",
"goals":
["case nil\nα : Type u_1\nbs cs : List α\n⊢ [] ++ bs ++ cs = [] ++ (bs ++ cs)"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 86, "character": 38}}
{"rendered": "no goals", "goals": []}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 89, "character": 39}}
null
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 93, "character": 16}}
{"rendered":
"```lean\ncase left\n⊢ True\n```\n---\n```lean\ncase right\n⊢ False\n```",
"goals": ["case left\n⊢ True", "case right\n⊢ False"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 97, "character": 8}}
{"rendered": "```lean\n| True = True\n```", "goals": ["| True = True"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 99, "character": 4}}
{"rendered": "```lean\n| True = True\n```", "goals": ["| True = True"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 101, "character": 2}}
{"rendered": "no goals", "goals": []}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 106, "character": 4}}
{"rendered": "```lean\n⊢ True\n```", "goals": ["⊢ True"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 108, "character": 2}}
{"rendered": "```lean\n⊢ True\n```", "goals": ["⊢ True"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 113, "character": 4}}
{"rendered": "```lean\n⊢ True\n```", "goals": ["⊢ True"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 115, "character": 2}}
null
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 120, "character": 2}}
{"rendered": "```lean\n⊢ False\n```", "goals": ["⊢ False"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 124, "character": 17}}
{"rendered": "```lean\np q : Prop\nhp : p\nhq : q\nthis : q ∧ p\n⊢ p ∧ q\n```",
"goals": ["p q : Prop\nhp : p\nhq : q\nthis : q ∧ p\n⊢ p ∧ q"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 128, "character": 18}}
{"rendered": "```lean\np q : Prop\nhp : p\nhq : q\n⊢ id (p ∧ q)\n```",
"goals": ["p q : Prop\nhp : p\nhq : q\n⊢ id (p ∧ q)"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 133, "character": 3}}
{"rendered": "```lean\ncase left\n⊢ True\n```", "goals": ["case left\n⊢ True"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 133, "character": 4}}
{"rendered": "```lean\ncase left\n⊢ True\n```", "goals": ["case left\n⊢ True"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 139, "character": 34}}
{"rendered":
"```lean\ncase zero\n⊢ True\n```\n---\n```lean\ncase succ\nn✝ : Nat\na✝ : True\n⊢ True\n```",
"goals": ["case zero\n⊢ True", "case succ\nn✝ : Nat\na✝ : True\n⊢ True"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 142, "character": 34}}
{"rendered":
"```lean\ncase zero\n⊢ True\n```\n---\n```lean\ncase succ\nn✝ : Nat\na✝ : True\n⊢ True\n```",
"goals": ["case zero\n⊢ True", "case succ\nn✝ : Nat\na✝ : True\n⊢ True"]}
{"textDocument": {"uri": "file:///plainGoal.lean"},
"position": {"line": 145, "character": 34}}
{"rendered": "```lean\nx✝ : Nat\n⊢ True\n```", "goals": ["x✝ : Nat\n⊢ True"]}
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