Parse checkcast

Author: dlunch

classfile/src/opcode.rs

@@ -27,7 +27,7 @@ pub enum Opcode {
     Bipush(i8),
     Caload,
     Castore,
-    Checkcast(u16),
+    Checkcast(ValueConstant),
     D2f,
     D2i,
     D2l,
@@ -196,7 +196,7 @@ impl Opcode {
             0x10 => map(i8, Opcode::Bipush)(data),
             0x34 => success(Opcode::Caload)(data),
             0x55 => success(Opcode::Castore)(data),
-            0xc0 => map(be_u16, Opcode::Checkcast)(data),
+            0xc0 => map(be_u16, |x| Opcode::Checkcast(ValueConstant::from_constant_pool(constant_pool, x as _)))(data),
             0x90 => success(Opcode::D2f)(data),
             0x8e => success(Opcode::D2i)(data),
             0x8f => success(Opcode::D2l)(data),