Add unary arithmetic operations for numbers

1 files changed, 9 insertions, 3 deletions

diff --git a/src/bytecode/main.c b/src/bytecode/main.c
index 5081d95..66089c0 100644
--- a/src/bytecode/main.c
+++ b/src/bytecode/main.c
@@ -38,10 +38,16 @@ process_source(const StringView *source) {
         return;
     }
 
-    // Push some test instructions.
-    size_t const_idx = add_constant(vm.chunk, 7);
+    size_t const_a = add_constant(vm.chunk, 7);
     add_code(vm.chunk, OP_CONSTANT, 1, 1);
-    add_code(vm.chunk, const_idx, 1, 1);
+    add_code(vm.chunk, const_a, 1, 1);
+    size_t const_b = add_constant(vm.chunk, 2);
+    add_code(vm.chunk, OP_CONSTANT, 1, 2);
+    add_code(vm.chunk, const_b, 1, 2);
+
+    // Arithmetic.
+    add_code(vm.chunk, OP_MOD, 1, 3);
+
     add_code(vm.chunk, OP_RETURN, 1, 1);
 
     vm_interpret(vm);