refactor: check if algorithm supports late binding tstops

Author: AayushSabharwal

src/solve.jl

@@ -500,6 +500,19 @@ function Base.showerror(io::IO, e::IncompatibleMassMatrixError)
     println(io, TruncatedStacktraces.VERBOSE_MSG)
 end
 
+const LATE_BINDING_TSTOPS_ERROR_MESSAGE = """
+                                                  This solver does not support providing `tstops` as a function.
+                                                  Consider using a different solver or providing `tstops` as an array
+                                                  of times.
+                                                  """
+
+struct LateBindingTstopsNotSupportedError <: Exception end
+
+function Base.showerror(io::IO, e::LateBindingTstopsNotSupportedError)
+    println(io, LATE_BINDING_TSTOPS_ERROR_MESSAGE)
+    println(io, TruncatedStacktraces.VERBOSE_MSG)
+end
+
 function init_call(_prob, args...; merge_callbacks = true, kwargshandle = nothing,
         kwargs...)
     kwargshandle = kwargshandle === nothing ? KeywordArgError : kwargshandle
@@ -555,6 +568,13 @@ function init_up(prob::AbstractDEProblem, sensealg, u0, p, args...; kwargs...)
             p = p, kwargs...)
         init_call(_prob, args...; kwargs...)
     else
+        tstops = get(kwargs, :tstops, nothing)
+        if tstops === nothing && has_kwargs(prob)
+            tstops = get(prob.kwargs, :tstops, nothing)
+        end
+        if !(tstops isa Union{Nothing, AbstractArray, Tuple}) && !SciMLBase.allows_late_binding_tstops(alg)
+            throw(LateBindingTstopsNotSupportedError())
+        end
         _prob = get_concrete_problem(prob, isadaptive(alg); u0 = u0, p = p, kwargs...)
         _alg = prepare_alg(alg, _prob.u0, _prob.p, _prob)
         check_prob_alg_pairing(_prob, alg) # alg for improved inference
@@ -1084,6 +1104,13 @@ function solve_up(prob::Union{AbstractDEProblem, NonlinearProblem}, sensealg, u0
             p = p, kwargs...)
         solve_call(_prob, args...; kwargs...)
     else
+        tstops = get(kwargs, :tstops, nothing)
+        if tstops === nothing && has_kwargs(prob)
+            tstops = get(prob.kwargs, :tstops, nothing)
+        end
+        if !(tstops isa Union{Nothing, AbstractArray, Tuple}) && !SciMLBase.allows_late_binding_tstops(alg)
+            throw(LateBindingTstopsNotSupportedError())
+        end
         _prob = get_concrete_problem(prob, isadaptive(alg); u0 = u0, p = p, kwargs...)
         _alg = prepare_alg(alg, _prob.u0, _prob.p, _prob)
         check_prob_alg_pairing(_prob, alg) # use alg for improved inference