feat: use new source tracking functionality

Author: AayushSabharwal

Project.toml

@@ -107,9 +107,9 @@ Libdl = "1"
 LinearAlgebra = "1"
 LinearSolve = "3.19.2"
 Logging = "1"
-ModelingToolkitBase = "1"
+ModelingToolkitBase = "1.2"
 ModelingToolkitStandardLibrary = "2.20"
-ModelingToolkitTearing = "1.0.2"
+ModelingToolkitTearing = "1.1.0"
 Moshi = "0.3"
 NonlinearSolve = "4.3"
 OffsetArrays = "1"

src/systems/systems.jl

@@ -27,8 +27,8 @@ function MTKBase.__mtkcompile(sys::System;
         sort_eqs = true,
         kwargs...)
     sys, statemachines = extract_top_level_statemachines(sys)
-    sys = expand_connections(sys)
-    state = TearingState(sys; sort_eqs)
+    sys, source_info = expand_connections(sys, Val(true))
+    state = TearingState(sys, source_info; sort_eqs)
     append!(state.statemachines, statemachines)
 
     @unpack structure, fullvars = state