Modularize BipartiteGraphs and SystemStructures

Author: YingboMa

Project.toml

@@ -21,6 +21,7 @@ LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 MacroTools = "1914dd2f-81c6-5fcd-8719-6d5c9610ff09"
 NaNMath = "77ba4419-2d1f-58cd-9bb1-8ffee604a2e3"
 RecursiveArrayTools = "731186ca-8d62-57ce-b412-fbd966d074cd"
+Reexport = "189a3867-3050-52da-a836-e630ba90ab69"
 Requires = "ae029012-a4dd-5104-9daa-d747884805df"
 RuntimeGeneratedFunctions = "7e49a35a-f44a-4d26-94aa-eba1b4ca6b47"
 SafeTestsets = "1bc83da4-3b8d-516f-aca4-4fe02f6d838f"
@@ -49,6 +50,7 @@ LightGraphs = "1.3"
 MacroTools = "0.5"
 NaNMath = "0.3"
 RecursiveArrayTools = "2.3"
+Reexport = "1"
 Requires = "1.0"
 RuntimeGeneratedFunctions = "0.4, 0.5"
 SafeTestsets = "0.0.1"

src/ModelingToolkit.jl

@@ -5,6 +5,7 @@ using StaticArrays, LinearAlgebra, SparseArrays, LabelledArrays
 using Latexify, Unitful, ArrayInterface
 using MacroTools
 using UnPack: @unpack
+using Setfield
 using DiffEqJump
 using DataStructures
 using SpecialFunctions, NaNMath
@@ -202,6 +203,7 @@ Get the set of parameters variables for the given system.
 function parameters end
 
 include("bipartite_graph.jl")
+using .BipartiteGraphs
 
 include("variables.jl")
 include("context_dsl.jl")
@@ -216,7 +218,6 @@ include("domains.jl")
 include("register_function.jl")
 
 include("systems/abstractsystem.jl")
-include("systems/systemstructure.jl")
 
 include("systems/diffeqs/odesystem.jl")
 include("systems/diffeqs/sdesystem.jl")
@@ -239,6 +240,9 @@ include("systems/pde/pdesystem.jl")
 include("systems/reaction/reactionsystem.jl")
 include("systems/dependency_graphs.jl")
 
+include("systems/systemstructure.jl")
+using .SystemStructures
+
 include("systems/reduction.jl")
 
 include("latexify_recipes.jl")

src/bipartite_graph.jl

@@ -1,6 +1,15 @@
+module BipartiteGraphs
+
+export BipartiteEdge, BipartiteGraph
+
+export 𝑠vertices, 𝑑vertices, has_𝑠vertex, has_𝑑vertex, 𝑠neighbors, 𝑑neighbors,
+       𝑠edges, 𝑑edges, nsrcs, ndsts, SRC, DST
+
+using DocStringExtensions
+using Reexport
 using UnPack
 using SparseArrays
-using LightGraphs
+@reexport using LightGraphs
 using Setfield
 
 ###
@@ -229,3 +238,5 @@ function LightGraphs.incidence_matrix(g::BipartiteGraph, val=true)
     end
     S = sparse(I, J, val, nsrcs(g), ndsts(g))
 end
+
+end # module