Merge Small_Integer and Big_Integer types (#7636)

Merge Small_Integer and Big_Integer types into a single Integer type

CHANGELOG.md

@@ -945,6 +945,7 @@
 - [Use `numpy` & co. from Enso!][7678]
 - [Changed layout of local libraries directory, making it easier to reference
   projects next to each other][7634]
+- [Merge `Small_Integer` and `Big_Integer` types][7636]
 
 [3227]: https://github.com/enso-org/enso/pull/3227
 [3248]: https://github.com/enso-org/enso/pull/3248
@@ -1082,6 +1083,7 @@
 [7613]: https://github.com/enso-org/enso/pull/7613
 [7678]: https://github.com/enso-org/enso/pull/7678
 [7634]: https://github.com/enso-org/enso/pull/7634
+[7636]: https://github.com/enso-org/enso/pull/7636
 
 # Enso 2.0.0-alpha.18 (2021-10-12)
 

engine/runtime-with-instruments/src/test/scala/org/enso/interpreter/test/instrument/RuntimeServerTest.scala

@@ -5092,7 +5092,7 @@ class RuntimeServerTest
         Api.ExecutionFailed(
           contextId,
           Api.ExecutionResult.Diagnostic.error(
-            "Type error: expected `that` to be Number, but got Function.",
+            "Type error: expected `that` to be Integer, but got Function.",
             Some(mainFile),
             Some(model.Range(model.Position(11, 8), model.Position(11, 17))),
             None,

engine/runtime-with-polyglot/src/test/scala/org/enso/interpreter/test/instrument/RuntimeVisualizationsTest.scala

@@ -187,7 +187,15 @@ class RuntimeVisualizationsTest
                 Api.ExpressionUpdate(
                   Main.idMainZ,
                   Some(ConstantsGen.INTEGER),
-                  None,
+                  Some(
+                    Api.MethodCall(
+                      Api.MethodPointer(
+                        "Standard.Base.Data.Numbers",
+                        "Standard.Base.Data.Numbers.Integer",
+                        "+"
+                      )
+                    )
+                  ),
                   Vector(Api.ProfilingInfo.ExecutionTime(0)),
                   fromCache,
                   typeChanged,
@@ -209,7 +217,15 @@ class RuntimeVisualizationsTest
                 Api.ExpressionUpdate(
                   Main.idFooY,
                   Some(ConstantsGen.INTEGER),
-                  None,
+                  Some(
+                    Api.MethodCall(
+                      Api.MethodPointer(
+                        "Standard.Base.Data.Numbers",
+                        "Standard.Base.Data.Numbers.Integer",
+                        "+"
+                      )
+                    )
+                  ),
                   Vector(Api.ProfilingInfo.ExecutionTime(0)),
                   fromCache,
                   typeChanged,
@@ -231,7 +247,15 @@ class RuntimeVisualizationsTest
                 Api.ExpressionUpdate(
                   Main.idFooZ,
                   Some(ConstantsGen.INTEGER),
-                  None,
+                  Some(
+                    Api.MethodCall(
+                      Api.MethodPointer(
+                        "Standard.Base.Data.Numbers",
+                        "Standard.Base.Data.Numbers.Integer",
+                        "*"
+                      )
+                    )
+                  ),
                   Vector(Api.ProfilingInfo.ExecutionTime(0)),
                   fromCache,
                   typeChanged,
@@ -973,12 +997,30 @@ class RuntimeVisualizationsTest
         contextId,
         context.Main.idFooY,
         ConstantsGen.INTEGER,
+        methodCall = Some(
+          Api.MethodCall(
+            Api.MethodPointer(
+              "Standard.Base.Data.Numbers",
+              "Standard.Base.Data.Numbers.Integer",
+              "+"
+            )
+          )
+        ),
         typeChanged = false
       ),
       TestMessages.update(
         contextId,
         context.Main.idFooZ,
         ConstantsGen.INTEGER,
+        methodCall = Some(
+          Api.MethodCall(
+            Api.MethodPointer(
+              "Standard.Base.Data.Numbers",
+              "Standard.Base.Data.Numbers.Integer",
+              "*"
+            )
+          )
+        ),
         typeChanged = false
       ),
       context.executionComplete(contextId)

engine/runtime/src/main/java/org/enso/interpreter/node/expression/builtin/meta/IsValueOfTypeNode.java

@@ -85,7 +85,7 @@ boolean doAnyType(Object expectedType, Object payload) {
     @Specialization
     boolean doLongCheck(Type expectedType, long payload) {
       var numbers = EnsoContext.get(this).getBuiltins().number();
-      return checkParentTypes(numbers.getSmallInteger(), expectedType);
+      return checkParentTypes(numbers.getInteger(), expectedType);
     }
 
     @Specialization
@@ -97,7 +97,7 @@ boolean doDoubleCheck(Type expectedType, double payload) {
     @Specialization
     boolean doBigIntegerCheck(Type expectedType, EnsoBigInteger value) {
       var numbers = EnsoContext.get(this).getBuiltins().number();
-      return checkParentTypes(numbers.getBigInteger(), expectedType);
+      return checkParentTypes(numbers.getInteger(), expectedType);
     }
 
     @Specialization