move closure opcode into its own file

Author: aceinetx

zenlang/src/parser/parser_expr.rs

@@ -1,5 +1,3 @@
-use core::fmt::Error;
-
 use crate::ast::*;
 use crate::parser::parser::Parser;
 use crate::tokenizer::*;

zenlang/src/vm/opcodes/mod.rs

@@ -5,6 +5,7 @@ mod vm_branch;
 mod vm_cafse;
 mod vm_call;
 mod vm_cdfse;
+mod vm_closure;
 mod vm_cmp;
 mod vm_fn_args;
 mod vm_iafs;

zenlang/src/vm/opcodes/vm_call.rs

@@ -2,7 +2,6 @@ use crate::strong_u64::U64BitsControl;
 use crate::value::*;
 use crate::vm::VM;
 use alloc::format;
-use alloc::string::*;
 
 impl VM {
     pub fn op_call(&mut self) {

zenlang/src/vm/opcodes/vm_closure.rs

@@ -0,0 +1,17 @@
+use crate::strong_u64::U64BitsControl;
+use crate::value::Value;
+use crate::vm::VM;
+
+impl VM {
+    pub fn op_closure(&mut self, skip: u32, args: u64) {
+        let value = Value::FunctionRefEnv(
+            self.pc.get_low() as u64,
+            args,
+            self.environs.last().unwrap().clone(),
+        );
+
+        self.pc.add_low(skip);
+
+        self.stack.push(value);
+    }
+}

zenlang/src/vm/vm_opcode.rs

@@ -1,6 +1,4 @@
 use crate::opcode::*;
-use crate::strong_u64::U64BitsControl;
-use crate::value::Value;
 use crate::vm::*;
 use alloc::format;
 
@@ -117,16 +115,7 @@ impl VM {
                 self.op_ret();
             }
             Opcode::Closure(skip, args) => {
-                let value = Value::FunctionRefEnv(
-                    self.pc.get_low() as u64,
-                    *args,
-                    self.environs.last().unwrap().clone(),
-                );
-
-                self.pc.add_low(*skip);
-
-                self.stack.push(value);
-                //panic!();
+                self.op_closure(*skip, *args);
             }
         }
     }