FZN: support several annotations when parsing.

Author: dourouc05

Diff for: src/ConstraintProgrammingExtensions.jl

@@ -28,7 +28,4 @@ include("Test/Test.jl")
 include("FlatZinc/FlatZinc.jl")
 include("XCSP/XCSP.jl")
 
-# Compatibility layer.
-@deprecate Reified Reification false
-
 end

Diff for: src/FlatZinc/import.jl

@@ -1684,6 +1684,7 @@ function split_variable(item::AbstractString)
     # Typical input: "var int: x1;" -> scalar
     # Complex input: "array [1..5] of var int: x1;" -> array
     # Complex input: "var int: x1 :: some_annotation = some_value;" -> scalar
+    # Complex input: "var int: x1 :: some_annotation :: some_other_annotation;" -> scalar
 
     @assert length(item) > 5
 
@@ -1713,7 +1714,8 @@ function split_variable_scalar(item::AbstractString)
     item = lstrip(item)
 
     # Potentially split on the double colon (::) to detect annotations, then
-    # on the equal (=) to detect literal values.
+    # on the equal (=) to detect literal values. There may be several 
+    # annotations.
     if occursin("::", item)
         var_name, item = split(item, "::", limit=2)
         var_name = strip(var_name)
@@ -1727,8 +1729,11 @@ function split_variable_scalar(item::AbstractString)
             var_annotations = strip(item)
             var_value = ""
         end
+
+        var_annotations = split(var_annotations, "::")
+        var_annotations = map(strip, var_annotations)
     else
-        var_annotations = ""
+        var_annotations = [""]
 
         if occursin('=', item)
             var_name, var_value = split(item, '=', limit=2)

Diff for: test/FlatZinc/import.jl

@@ -284,7 +284,7 @@
             @test var_array == ""
             @test var_type == "int"
             @test var_name == "x1"
-            @test var_annotations == ""
+            @test var_annotations == [""]
             @test var_value == ""
 
             # With another type (still a string) and an *invalid* variable name.
@@ -293,7 +293,7 @@
             @test var_array == ""
             @test var_type == "bool"
             @test var_name == "5454"
-            @test var_annotations == ""
+            @test var_annotations == [""]
             @test var_value == ""
 
             # With another type (range of integers).
@@ -302,7 +302,7 @@
             @test var_array == ""
             @test var_type == "4..8"
             @test var_name == "x1"
-            @test var_annotations == ""
+            @test var_annotations == [""]
             @test var_value == ""
 
             # With another type (range of floats).
@@ -311,7 +311,7 @@
             @test var_array == ""
             @test var_type == "4.5..8.4"
             @test var_name == "x1"
-            @test var_annotations == ""
+            @test var_annotations == [""]
             @test var_value == ""
 
             # With another type (set of floats, intension).
@@ -320,7 +320,7 @@
             @test var_array == ""
             @test var_type == "set of 4.5..8.4"
             @test var_name == "x1"
-            @test var_annotations == ""
+            @test var_annotations == [""]
             @test var_value == ""
 
             # With another type (set of floats, extension).
@@ -329,7 +329,7 @@
             @test var_array == ""
             @test var_type == "set of {4.5, 8.4}"
             @test var_name == "x1"
-            @test var_annotations == ""
+            @test var_annotations == [""]
             @test var_value == ""
 
             # With annotations.
@@ -340,7 +340,18 @@
             @test var_array == ""
             @test var_type == "int"
             @test var_name == "x1"
-            @test var_annotations == "some_annotation"
+            @test var_annotations == ["some_annotation"]
+            @test var_value == ""
+
+            # With several annotations.
+            var_array, var_type, var_name, var_annotations, var_value =
+                CP.FlatZinc.split_variable(
+                    "var int: x1 :: some_annotation :: some_other_annotation;",
+                )
+            @test var_array == ""
+            @test var_type == "int"
+            @test var_name == "x1"
+            @test var_annotations == ["some_annotation", "some_other_annotation"]
             @test var_value == ""
 
             # With value.
@@ -349,7 +360,7 @@
             @test var_array == ""
             @test var_type == "int"
             @test var_name == "x1"
-            @test var_annotations == ""
+            @test var_annotations == [""]
             @test var_value == "some_value"
 
             # With annotations and value.
@@ -360,7 +371,7 @@
             @test var_array == ""
             @test var_type == "int"
             @test var_name == "x1"
-            @test var_annotations == "some_annotation"
+            @test var_annotations == ["some_annotation"]
             @test var_value == "some_value"
 
             # Array declaration.
@@ -369,7 +380,7 @@
             @test var_array == "[1..5]"
             @test var_type == "int"
             @test var_name == "x1"
-            @test var_annotations == ""
+            @test var_annotations == [""]
             @test var_value == ""
         end