add support for int pointer values for references

Signed-off-by: Evan Johnson <[email protected]>

internal/method/reference_processor.go

@@ -72,6 +72,9 @@ type Reference struct {
 
 	// IsFloatPointer tells whether the current value pointer is of type float64
 	IsFloatPointer bool
+
+	// IsIntPointer tells whether the current value pointer is of type int
+	IsIntPointer bool
 }
 
 // ReferenceProcessorOption is used to configure ReferenceProcessor.
@@ -118,7 +121,6 @@ func (rp *ReferenceProcessor) Process(_ *types.Named, f *types.Var, _, comment s
 	refType := refTypeValues[0]
 	isPointer := false
 	isList := false
-	isFloatPointer := false
 	refFieldName := f.Name() + "Ref"
 
 	// We don't support *[]string.
@@ -136,9 +138,9 @@ func (rp *ReferenceProcessor) Process(_ *types.Named, f *types.Var, _, comment s
 		}
 	}
 
-	if strings.HasSuffix(f.Type().String(), "*float64") {
-		isFloatPointer = true
-	}
+	isFloatPointer := strings.HasSuffix(f.Type().String(), "*float64")
+
+	isIntPointer := strings.HasSuffix(f.Type().String(), "*int64")
 
 	extractorPath := rp.DefaultExtractor
 	if values, ok := markers[ReferenceExtractorMarker]; ok {
@@ -168,6 +170,7 @@ func (rp *ReferenceProcessor) Process(_ *types.Named, f *types.Var, _, comment s
 		IsPointer:           isPointer,
 		IsSlice:             isList,
 		IsFloatPointer:      isFloatPointer,
+		IsIntPointer:        isIntPointer,
 	})
 	return nil
 }

internal/method/resolver.go

@@ -135,6 +135,10 @@ func singleResolutionCall(ref Reference, referencePkgPath string) resolutionCall
 			toPointerFunction = "ToFloatPtrValue"
 			fromPointerFunction = "FromFloatPtrValue"
 		}
+		if ref.IsIntPointer {
+			toPointerFunction = "ToIntPtrValue"
+			fromPointerFunction = "FromIntPtrValue"
+		}
 		if ref.IsPointer {
 			setResolvedValue = currentValuePath.Clone().Op("=").Qual(referencePkgPath, toPointerFunction).Call(jen.Id("rsp").Dot("ResolvedValue"))
 			currentValuePath = jen.Qual(referencePkgPath, fromPointerFunction).Call(currentValuePath)
@@ -184,6 +188,10 @@ func multiResolutionCall(ref Reference, referencePkgPath string) resolutionCallF
 			toPointersFunction = "ToFloatPtrValues"
 			fromPointersFunction = "FromFloatPtrValues"
 		}
+		if ref.IsIntPointer {
+			toPointersFunction = "ToIntPtrValues"
+			fromPointersFunction = "FromIntPtrValues"
+		}
 
 		if ref.IsPointer {
 			setResolvedValues = currentValuePath.Clone().Op("=").Qual(referencePkgPath, toPointersFunction).Call(jen.Id("mrsp").Dot("ResolvedValues"))