Rename parse_indexing() to varname()

test/flaten_naming.jl

@@ -0,0 +1,46 @@
+using Distributions
+using ForwardDiff: Dual
+using Turing
+using Turing: varname
+using Base.Test
+
+# Symbol
+v_sym = string(:x)
+@test v_sym == "x"
+
+# Array
+i = 1
+v_arr = eval(varname(:(x[i])))
+@test v_arr == "x[1]"
+
+# Matrix
+i, j = 1, 2
+v_mat = eval(varname(:(x[i,j])))
+@test v_mat== "x[1,2]"
+
+@model mat_name_test begin
+  p = Array{Dual}((2, 2))
+  for i in 1:2, j in 1:2
+    p[i,j] ~ Normal(0, 1)
+  end
+  p
+end
+chain = sample(mat_name_test, HMC(1000, 0.75, 2))
+@test_approx_eq_eps mean(mean(chain[:p])) 0 0.25
+
+# Multi array
+i, j = 1, 2
+v_arrarr = eval(varname(:(x[i][j])))
+@test v_arrarr == "x[1][2]"
+
+@model marr_name_test begin
+  p = Array{Array{Dual}}(2)
+  p[1] = Array{Dual}(2)
+  p[2] = Array{Dual}(2)
+  for i in 1:2, j in 1:2
+    p[i][j] ~ Normal(0, 1)
+  end
+  p
+end
+chain = sample(marr_name_test, HMC(1000, 0.75, 2))
+@test_approx_eq_eps mean(mean(mean(chain[:p]))) 0 0.25

test/test_varname.jl

@@ -1,7 +1,7 @@
 using Distributions
 using ForwardDiff: Dual
 using Turing
-using Turing: parse_indexing
+using Turing: varname
 using Base.Test
 
 # Symbol
@@ -10,18 +10,18 @@ v_sym = string(:x)
 
 # Array
 i = 1
-v_arr = eval(parse_indexing(:(x[i])))
+v_arr = eval(varname(:(x[i])))
 @test v_arr == "x[1]"
 
 # Matrix
 i, j, k = 1, 2, 3
-v_mat = eval(parse_indexing(:(x[i,j])))
+v_mat = eval(varname(:(x[i,j])))
 @test v_mat== "x[1,2]"
 
-v_mat = eval(parse_indexing(:(x[i,j,k])))
+v_mat = eval(varname(:(x[i,j,k])))
 @test v_mat== "x[1,2,3]"
 
-v_mat = eval(parse_indexing(:((x[1,2][1+5][45][3][i]))))
+v_mat = eval(varname(:((x[1,2][1+5][45][3][i]))))
 @test v_mat == "x[1,2][6][45][3][1]"
 
 
@@ -37,7 +37,7 @@ chain = sample(mat_name_test, HMC(1000, 0.75, 2))
 
 # Multi array
 i, j = 1, 2
-v_arrarr = eval(parse_indexing(:(x[i][j])))
+v_arrarr = eval(varname(:(x[i][j])))
 @test v_arrarr == "x[1][2]"
 
 @model marr_name_test begin