optimizations

monkey.go

@@ -99,6 +99,10 @@ func ExecFile(fn string, opts *Options) error {
 		err      error
 	)
 
+	if opts == nil {
+		opts = &Options{}
+	}
+
 	ext := filepath.Ext(fn)
 	mc := fn[:len(fn)-len(ext)] + ".mc"
 
@@ -128,7 +132,7 @@ func ExecFile(fn string, opts *Options) error {
 		}
 	}
 
-	mvm := vm.New(fn, bytecode, vm.WithDebug(opts.Debug), vm.WithTrace(opts.Trace))
+	mvm := vm.New(fn, bytecode, opts.ToVMOptions()...)
 	if err := mvm.Run(); err != nil {
 		return err
 	}
@@ -138,6 +142,10 @@ func ExecFile(fn string, opts *Options) error {
 
 // ExecString executes a Monkey program from a string.
 func ExecString(input string, opts *Options) error {
+	if opts == nil {
+		opts = &Options{}
+	}
+
 	bytecode, err := compileString(input, opts.Debug)
 	if err != nil {
 		return err
@@ -157,6 +165,10 @@ func ExecString(input string, opts *Options) error {
 
 // CompileFiles compiles multiple Monkey files and returns any errors encountered during compilation.
 func CompileFiles(fns []string, opts *Options) error {
+	if opts == nil {
+		opts = &Options{}
+	}
+
 	for _, fn := range fns {
 		ext := filepath.Ext(fn)
 		mc := fn[:len(fn)-len(ext)] + ".mc"