refactor: overload getname from SymbolicIndexingInterface

Project.toml

@@ -34,6 +34,7 @@ Setfield = "efcf1570-3423-57d1-acb7-fd33fddbac46"
 SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
 SpecialFunctions = "276daf66-3868-5448-9aa4-cd146d93841b"
 StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
+SymbolicIndexingInterface = "2efcf032-c050-4f8e-a9bb-153293bab1f5"
 SymbolicUtils = "d1185830-fcd6-423d-90d6-eec64667417b"
 TreeViews = "a2a6695c-b41b-5b7d-aed9-dbfdeacea5d7"
 
@@ -71,6 +72,7 @@ SciMLBase = "1.8, 2"
 Setfield = "0.7, 0.8, 1"
 SpecialFunctions = "0.7, 0.8, 0.9, 0.10, 1.0, 2"
 StaticArrays = "1.1"
+SymbolicIndexingInterface = "0.3"
 SymbolicUtils = "1.4"
 TreeViews = "0.3"
 julia = "1.6"

src/Symbolics.jl

@@ -35,6 +35,8 @@ using PrecompileTools
     using RuntimeGeneratedFunctions
     using SciMLBase, IfElse
     using MacroTools
+
+    using SymbolicIndexingInterface
 end
 @reexport using SymbolicUtils
 RuntimeGeneratedFunctions.init(@__MODULE__)

src/variable.jl

@@ -406,7 +406,10 @@ end
 
 getsource(x, val=_fail) = getmetadata(unwrap(x), VariableSource, val)
 
-getname(x, val=_fail) = _getname(unwrap(x), val)
+SymbolicIndexingInterface.symbolic_type(::Type{<:Symbolics.Num}) = ScalarSymbolic()
+SymbolicIndexingInterface.symbolic_type(::Type{<:Symbolics.Arr}) = ArraySymbolic()
+
+SymbolicIndexingInterface.getname(x, val=_fail) = _getname(unwrap(x), val)
 
 function getparent(x, val=_fail)
     maybe_parent = getmetadata(x, Symbolics.GetindexParent, nothing)

src/wrapper-types.jl

@@ -17,9 +17,9 @@ function set_where(subt, supert)
     Expr(:where, supert, Ts...)
 end
 
-getname(x::Symbol) = x
+SymbolicIndexingInterface.getname(x::Symbol) = x
 
-function getname(x::Expr)
+function SymbolicIndexingInterface.getname(x::Expr)
     @assert x.head == :curly
     return x.args[1]
 end