lowered names

Author: shashi

src/build_function.jl

@@ -455,6 +455,8 @@ end
 function term_to_symbol(t::Term)
     if operation(t) isa Sym
         s = nameof(operation(t))
+    elseif operation(t) isa Differential
+        Symbol("var", repr(t))
     else
         error("really?")
     end

src/systems/diffeqs/first_order_transform.jl

@@ -1,8 +1,10 @@
 function lower_varname(var::Term, idv, order)
-    order == 0 && return var
-    name = Symbol(nameof(var.op), :ˍ, string(idv)^order)
-    #name = Symbol(var.name, :ˍ, string(idv.name)^order)
-    return Sym{symtype(var.op)}(name)(var.args[1])
+    D = Differential(idv)
+    term = var
+    for _ in 1:order
+        term = D(term)
+    end
+    return term
 end
 
 function flatten_differential(O::Term)