feat: 支持自增自减运算符

crates/oxide_compiler/src/opcode.rs

@@ -42,6 +42,13 @@ pub enum OpCode {
     JMP = 0x20,
     JMP_IF_FALSE = 0x21,
     JMP_IF_TRUE = 0x22,
+
+    // -- Update (0x25-0x28) --
+    INC_PRE = 0x25,
+    INC_POST = 0x26,
+    DEC_PRE = 0x27,
+    DEC_POST = 0x28,
+
     FOR_IN_INIT = 0x29,
     FOR_IN_NEXT = 0x2A,
     FOR_IN_DONE = 0x2B,
@@ -132,6 +139,10 @@ impl TryFrom<u8> for OpCode {
             0x20 => Ok(OpCode::JMP),
             0x21 => Ok(OpCode::JMP_IF_FALSE),
             0x22 => Ok(OpCode::JMP_IF_TRUE),
+            0x25 => Ok(OpCode::INC_PRE),
+            0x26 => Ok(OpCode::INC_POST),
+            0x27 => Ok(OpCode::DEC_PRE),
+            0x28 => Ok(OpCode::DEC_POST),
             0x29 => Ok(OpCode::FOR_IN_INIT),
             0x2A => Ok(OpCode::FOR_IN_NEXT),
             0x2B => Ok(OpCode::FOR_IN_DONE),
@@ -197,6 +208,10 @@ impl fmt::Display for OpCode {
             OpCode::JMP => "JMP",
             OpCode::JMP_IF_FALSE => "JMP_IF_FALSE",
             OpCode::JMP_IF_TRUE => "JMP_IF_TRUE",
+            OpCode::INC_PRE => "INC_PRE",
+            OpCode::INC_POST => "INC_POST",
+            OpCode::DEC_PRE => "DEC_PRE",
+            OpCode::DEC_POST => "DEC_POST",
             OpCode::FOR_IN_INIT => "FOR_IN_INIT",
             OpCode::FOR_IN_NEXT => "FOR_IN_NEXT",
             OpCode::FOR_IN_DONE => "FOR_IN_DONE",