feat: execute source control flow and exact real arithmetic

crates/objects/src/code.rs

@@ -258,6 +258,8 @@ pub(crate) fn read_only_opcode(opcode: Opcode) -> bool {
             | Opcode::PopJumpIfTrue
             | Opcode::ToBool
             | Opcode::UnaryNot
+            | Opcode::BinaryArithmetic
+            | Opcode::UnaryNegate
             | Opcode::CompareOp
             | Opcode::LoadDeref
             | Opcode::LoadClosure
@@ -354,6 +356,7 @@ fn verify(
             | Opcode::LoadAttr
             | Opcode::StoreAttr => index < layout.names.len(),
             Opcode::CompareOp => compare_operation(argument).is_some(),
+            Opcode::BinaryArithmetic => argument <= 3,
             Opcode::Copy => argument >= 1,
             Opcode::Swap => argument >= 2,
             Opcode::JumpForward
@@ -394,8 +397,12 @@ fn verify(
             | Opcode::StoreDeref
             | Opcode::PopJumpIfFalse
             | Opcode::PopJumpIfTrue => (1, 1, 0),
-            Opcode::ToBool | Opcode::UnaryNot | Opcode::LoadAttr | Opcode::Await => (1, 1, 1),
-            Opcode::CompareOp => (2, 2, 1),
+            Opcode::ToBool
+            | Opcode::UnaryNot
+            | Opcode::LoadAttr
+            | Opcode::Await
+            | Opcode::UnaryNegate => (1, 1, 1),
+            Opcode::CompareOp | Opcode::BinaryArithmetic => (2, 2, 1),
             Opcode::StoreAttr => (2, 2, 0),
             Opcode::Copy => (argument, 0, 1),
             Opcode::Swap => (argument, 0, 0),