feat: 添加严格比较运算符与一元加法

crates/oxide_compiler/src/emitter.rs

@@ -399,6 +399,8 @@ impl Compiler {
                     BinaryOperator::LessEqualThan => OpCode::LTE,
                     BinaryOperator::GreaterEqualThan => OpCode::GTE,
                     BinaryOperator::In => OpCode::IN,
+                    BinaryOperator::StrictEquality => OpCode::STRICT_EQ,
+                    BinaryOperator::StrictInequality => OpCode::STRICT_NEQ,
                     _ => return Err(format!("unsupported binary operator: {:?}", bin.operator)),
                 };
                 let r = ctx.alloc_reg();
@@ -428,6 +430,11 @@ impl Compiler {
                         ctx.emit(opcode::encode(OpCode::NOT, r, arg, 0));
                         Ok(r)
                     }
+                    UnaryOperator::UnaryPlus => {
+                        let r = ctx.alloc_reg();
+                        ctx.emit(opcode::encode(OpCode::UNARY_PLUS, r, arg, 0));
+                        Ok(r)
+                    }
                     _ => Err(format!("unsupported unary operator: {:?}", un.operator)),
                 }
             }

crates/oxide_compiler/src/opcode.rs

@@ -28,6 +28,9 @@ pub enum OpCode {
     NOT = 0x17,
     AND = 0x18,
     OR = 0x19,
+    STRICT_EQ = 0x1A,
+    STRICT_NEQ = 0x1C,
+    UNARY_PLUS = 0x1D,
 
     // -- Control Flow (0x20-0x2F) --
     JMP = 0x20,
@@ -111,6 +114,9 @@ impl TryFrom<u8> for OpCode {
             0x17 => Ok(OpCode::NOT),
             0x18 => Ok(OpCode::AND),
             0x19 => Ok(OpCode::OR),
+            0x1A => Ok(OpCode::STRICT_EQ),
+            0x1C => Ok(OpCode::STRICT_NEQ),
+            0x1D => Ok(OpCode::UNARY_PLUS),
             0x20 => Ok(OpCode::JMP),
             0x21 => Ok(OpCode::JMP_IF_FALSE),
             0x22 => Ok(OpCode::JMP_IF_TRUE),
@@ -167,6 +173,9 @@ impl fmt::Display for OpCode {
             OpCode::NOT => "NOT",
             OpCode::AND => "AND",
             OpCode::OR => "OR",
+            OpCode::STRICT_EQ => "STRICT_EQ",
+            OpCode::STRICT_NEQ => "STRICT_NEQ",
+            OpCode::UNARY_PLUS => "UNARY_PLUS",
             OpCode::JMP => "JMP",
             OpCode::JMP_IF_FALSE => "JMP_IF_FALSE",
             OpCode::JMP_IF_TRUE => "JMP_IF_TRUE",