diff options
Diffstat (limited to 'backends/lean/Base/Progress/Base.lean')
-rw-r--r-- | backends/lean/Base/Progress/Base.lean | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/backends/lean/Base/Progress/Base.lean b/backends/lean/Base/Progress/Base.lean index 0ad16ab6..935af3f5 100644 --- a/backends/lean/Base/Progress/Base.lean +++ b/backends/lean/Base/Progress/Base.lean @@ -82,17 +82,21 @@ section Methods -- Destruct the equality let (mExpr, ret) ← destEq th.consumeMData trace[Progress] "After splitting the equality:\n- lhs: {th}\n- rhs: {ret}" - -- Destruct the monadic application to dive into the bind, if necessary (this - -- is for when we use `withPSpec` inside of the `progress` tactic), and - -- destruct the application to get the function name - mExpr.consumeMData.withApp fun mf margs => do - trace[Progress] "After stripping the arguments of the monad expression:\n- mf: {mf}\n- margs: {margs}" - let (fArgsExpr, f, args) ← do + -- Recursively destruct the monadic application to dive into the binds, + -- if necessary (this is for when we use `withPSpec` inside of the `progress` tactic), + -- and destruct the application to get the function name + let rec strip_monad mExpr := do + mExpr.consumeMData.withApp fun mf margs => do + trace[Progress] "After stripping the arguments of the monad expression:\n- mf: {mf}\n- margs: {margs}" if mf.isConst ∧ mf.constName = ``Bind.bind then do -- Dive into the bind let fExpr := (margs.get! 4).consumeMData - fExpr.withApp fun f args => pure (fExpr, f, args) - else pure (mExpr, mf, margs) + -- Recursve + strip_monad fExpr + else + -- No bind + pure (mExpr, mf, margs) + let (fArgsExpr, f, args) ← strip_monad mExpr trace[Progress] "After stripping the arguments of the function call:\n- f: {f}\n- args: {args}" if ¬ f.isConst then throwError "Not a constant: {f}" -- *Sanity check* (activated if we are analyzing a theorem to register it in a DB) |