feat: 添加 do while 与 for-in 语法枚举指令支持

crates/oxide_compiler/src/opcode.rs

@@ -33,6 +33,11 @@ pub enum OpCode {
     JMP = 0x20,
     JMP_IF_FALSE = 0x21,
     JMP_IF_TRUE = 0x22,
+    FOR_IN_INIT = 0x29,
+    FOR_IN_NEXT = 0x2A,
+    FOR_IN_DONE = 0x2B,
+    SWITCH_TABLE = 0x2C,
+    FOR_IN_CLEANUP = 0x2D,
 
     // ── Variable (0x30-0x3F) ──
     LOAD_VAR = 0x30,
@@ -109,6 +114,11 @@ impl TryFrom<u8> for OpCode {
             0x20 => Ok(OpCode::JMP),
             0x21 => Ok(OpCode::JMP_IF_FALSE),
             0x22 => Ok(OpCode::JMP_IF_TRUE),
+            0x29 => Ok(OpCode::FOR_IN_INIT),
+            0x2A => Ok(OpCode::FOR_IN_NEXT),
+            0x2B => Ok(OpCode::FOR_IN_DONE),
+            0x2C => Ok(OpCode::SWITCH_TABLE),
+            0x2D => Ok(OpCode::FOR_IN_CLEANUP),
             0x30 => Ok(OpCode::LOAD_VAR),
             0x31 => Ok(OpCode::STORE_VAR),
             0x32 => Ok(OpCode::LOAD_CONST),
@@ -160,6 +170,11 @@ impl fmt::Display for OpCode {
             OpCode::JMP => "JMP",
             OpCode::JMP_IF_FALSE => "JMP_IF_FALSE",
             OpCode::JMP_IF_TRUE => "JMP_IF_TRUE",
+            OpCode::FOR_IN_INIT => "FOR_IN_INIT",
+            OpCode::FOR_IN_NEXT => "FOR_IN_NEXT",
+            OpCode::FOR_IN_DONE => "FOR_IN_DONE",
+            OpCode::SWITCH_TABLE => "SWITCH_TABLE",
+            OpCode::FOR_IN_CLEANUP => "FOR_IN_CLEANUP",
             OpCode::LOAD_VAR => "LOAD_VAR",
             OpCode::STORE_VAR => "STORE_VAR",
             OpCode::LOAD_CONST => "LOAD_CONST",