Moved the character execution's to the pointer in order to handle the k command

pkg/pointer/exec.go

@@ -0,0 +1,39 @@
+package pointer
+
+import (
+	"log"
+
+	"git.adyxax.org/adyxax/gofunge/pkg/field"
+)
+
+func (p *Pointer) Exec(f *field.Field) (done bool, returnValue *int) {
+	c := p.Get(*f)
+	for jumpingMode := false; jumpingMode || c == ' ' || c == ';'; c = p.StepAndGet(*f) {
+		if jumpingMode {
+			if c == ';' {
+				jumpingMode = false
+			}
+			continue
+		}
+	}
+	switch c {
+	case '@':
+		return true, nil
+	case '#':
+		p.Step(*f)
+	case 'j':
+		n := p.Ss.Pop()
+		for j := 0; j < n; j++ {
+			p.Step(*f)
+		}
+	case 'q':
+		v := p.Ss.Pop()
+		return true, &v
+	default:
+		if !p.Redirect(c) {
+			log.Fatalf("Non implemented instruction code %d : %c", c, c)
+		}
+	}
+	p.Step(*f)
+	return
+}