Simplified identifier lookup

src/core/Identifier.go

@@ -0,0 +1,25 @@
+package core
+
+import (
+	"fmt"
+
+	"git.akyoto.dev/cli/q/src/scope"
+)
+
+// Identifier looks up an identifier which can be a variable or a function.
+func (f *Function) Identifier(name string) (*scope.Variable, *Function) {
+	variable := f.VariableByName(name)
+
+	if variable != nil {
+		return variable, nil
+	}
+
+	uniqueName := fmt.Sprintf("%s.%s", f.Package, name)
+	function, exists := f.Functions[uniqueName]
+
+	if exists {
+		return nil, function
+	}
+
+	return nil, nil
+}