Began coding the interpreter (only manages the minimal example for now!)

cmd/headless_interpreter/main.go

@@ -0,0 +1,42 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"os"
+
+	"git.adyxax.org/adyxax/gofunge/pkg/field"
+	"git.adyxax.org/adyxax/gofunge/pkg/interpreter"
+	"git.adyxax.org/adyxax/gofunge/pkg/pointer"
+)
+
+func main() {
+	filename := flag.String("f", "", "b98 file to interpret")
+	help := flag.Bool("h", false, "display this help message")
+	flag.Parse()
+
+	if *help {
+		flag.Usage()
+		os.Exit(0)
+	}
+
+	if *filename == "" {
+		fmt.Println("Error : no b98 file to interpret")
+		flag.Usage()
+		os.Exit(1)
+	}
+	file, err := os.Open(*filename)
+	if err != nil {
+		fmt.Printf("Failed to open file %s : %+v", *filename, err)
+		os.Exit(2)
+	}
+	defer file.Close()
+
+	f, err := field.Load(file)
+	if err != nil {
+		fmt.Printf("Failed to load file %s : %+v", *filename, err)
+		os.Exit(3)
+	}
+
+	interpreter.NewInterpreter(f, pointer.NewPointer()).Run()
+}