diff options
Diffstat (limited to 'clox/src/vm.c')
-rw-r--r-- | clox/src/vm.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/clox/src/vm.c b/clox/src/vm.c index 709f3d1..5e35abd 100644 --- a/clox/src/vm.c +++ b/clox/src/vm.c @@ -115,6 +115,16 @@ static InterpretResult run() { case OP_POP: pop(); break; + case OP_GET_GLOBAL: { + ObjString *name = READ_STRING(); + Value value; + if (!tableGet(&vm.globals, name, &value)) { + runtimeError("Undefined variable '%s'.", name->chars); + return INTERPRET_RUNTIME_ERROR; + } + push(value); + break; + } case OP_DEFINE_GLOBAL: { ObjString *name = READ_STRING(); tableSet(&vm.globals, name, peek(0)); |