add compiler

src/vm.rs

@@ -19,8 +19,8 @@ impl Instruction {
                 let a = context.pop();
                 let b = context.pop();
                 if let (Some(a), Some(b)) = (a, b) {
-                    context.push(b);
                     context.push(a);
+                    context.push(b);
                 } else {
                     return Err(RuntimeError::ErrorVmState(format!("Stack is not enough when call swap!")));
                 }
@@ -85,7 +85,7 @@ impl Instruction {
                 let addr = context.pop();
                 if let Some(addr) = addr {
                     match context.get_mem(addr) {
-                        Some(val) => { context.put_mem(addr, val); },
+                        Some(val) => { context.push(val); },
                         None => return Err(RuntimeError::ErrorVmState(format!("Memory addr not found: {}!", addr))),
                     }
                 } else {
@@ -165,6 +165,7 @@ impl Vm {
                     if context.is_debug() {
                         let is_define_label = if let Instruction::DefineLabel(_) = ins { true } else { false };
                         if !is_define_label {
+                            println!("[DEBUG] Context: {:?}", context);
                             println!("[DEBUG] Execute instruction: {:?}", ins);
                         }
                     }