commented tracing code

context-helpers.go

@@ -27,8 +27,10 @@ func exportFunc(ctx ExprContext, name string, info ExprFunc) {
 
 func exportObjects(destCtx, sourceCtx ExprContext) {
 	exportAll := isEnabled(sourceCtx, control_export_all)
+	// fmt.Printf("Exporting from sourceCtx [%p] to destCtx [%p] -- exportAll=%t\n", sourceCtx, destCtx, exportAll)
 	// Export variables
 	for _, refName := range sourceCtx.EnumVars(func(name string) bool { return exportAll || name[0] == '@' }) {
+		// fmt.Printf("\tExporting %q\n", refName)
 		refValue, _ := sourceCtx.GetVar(refName)
 		exportVar(destCtx, refName, refValue)
 	}

operand-func.go

@@ -24,6 +24,7 @@ func newFuncCallTerm(tk *Token, args []*term) *term {
 func evalFuncCall(parentCtx ExprContext, self *term) (v any, err error) {
 	ctx := cloneContext(parentCtx)
 	name, _ := self.tk.Value.(string)
+	// fmt.Printf("Call %s(), context: %p\n", name, ctx)
 	params := make([]any, len(self.children))
 	for i, tree := range self.children {
 		var param any

operand-iterator.go

@@ -131,7 +131,8 @@ func evalIterator(ctx ExprContext, self *term) (v any, err error) {
 	}
 
 	dc := newDataCursor(ctx, ds)
-
+	// var it Iterator = dc
+	// fmt.Println(it)
 	if initFunc, exists := ds[initName]; exists && initFunc != nil {
 		var args []any
 		if len(self.children) > 1 {