system2expr -> toexpr

Author: YingboMa

src/ModelingToolkit.jl

@@ -154,7 +154,6 @@ export ode_order_lowering, liouville_transform
 export runge_kutta_discretize
 export PDESystem
 export Reaction, ReactionSystem, ismassaction, oderatelaw, jumpratelaw
-export system2expr
 export Differential, expand_derivatives, @derivatives
 export IntervalDomain, ProductDomain, ⊗, CircleDomain
 export Equation, ConstrainedEquation

src/systems/abstractsystem.jl

@@ -468,7 +468,7 @@ function push_defaults!(stmt, defs, var2name)
     return defs_name
 end
 
-function system2expr(sys::AbstractSystem)
+function toexpr(sys::AbstractSystem)
     sys = flatten(sys)
     expr = Expr(:block)
     stmt = expr.args

test/nonlinearsystem.jl

@@ -22,7 +22,7 @@ eqs = [0 ~ σ*(y-x),
        0 ~ x*(ρ-z)-y,
        0 ~ x*y - β*z]
 ns = NonlinearSystem(eqs, [x,y,z], [σ,ρ,β], defaults = Dict(x => 2))
-@test eval(system2expr(ns)) == ns
+@test eval(toexpr(ns)) == ns
 test_nlsys_inference("standard", ns, (x, y, z), (σ, ρ, β))
 @test begin
     f = eval(generate_function(ns, [x,y,z], [σ,ρ,β])[2])

test/odesystem.jl

@@ -18,7 +18,7 @@ eqs = [D(x) ~ σ*(y-x),
 
 ModelingToolkit.toexpr.(eqs)[1]
 de = ODESystem(eqs; defaults=Dict(x => 1))
-@test eval(system2expr(sys)) == sys
+@test eval(toexpr(de)) == de
 
 generate_function(de)