Add counters field in default counters macro (#470)

* add counter field to default counters macro

Author: MaxenceGollier

src/nlp/utils.jl

@@ -131,5 +131,7 @@ macro default_counters(Model, inner)
   end))
   push!(ex.args, :(NLPModels.increment!(nlp::$(esc(Model)), s::Symbol) = increment!(nlp.$inner, s)))
   push!(ex.args, :(NLPModels.decrement!(nlp::$(esc(Model)), s::Symbol) = decrement!(nlp.$inner, s)))
+
+  push!(ex.args, :(Base.getproperty(nlp::$(esc(Model)), s::Symbol) = ( s == :counters ? nlp.$inner.counters : getfield(nlp ,s))))
   ex
 end

test/nlp/utils.jl

@@ -22,4 +22,5 @@ end
   nlp = SuperNLPModel{Float64, Vector{Float64}}(SimpleNLPModel())
   increment!(nlp, :neval_obj)
   @test neval_obj(nlp.model) == 1
+  @test nlp.counters == nlp.model.counters
 end