(
&mut self,
callee: Value<'gc>,
args_count: u8,
keyword_args_count: u8,
)
| 1321 | } |
| 1322 | |
| 1323 | fn call_value( |
| 1324 | &mut self, |
| 1325 | callee: Value<'gc>, |
| 1326 | args_count: u8, |
| 1327 | keyword_args_count: u8, |
| 1328 | ) -> Result<(), VmError> { |
| 1329 | let args_slot_count = (args_count + keyword_args_count * 2) as usize; |
| 1330 | match callee { |
| 1331 | Value::BoundMethod(bound) => { |
| 1332 | // inserts the receiver into the new CallFrame's slot zero. |
| 1333 | // normally, the receiver is 'self' or 'super' keyword. |
| 1334 | /* |
| 1335 | Diagram for this: scone.topping("berries", "cream"); |
| 1336 | |
| 1337 | stackTop |
| 1338 | | |
| 1339 | <-- -1 --> <------ argCount ----> | |
| 1340 | 0 1 2 3 v |
| 1341 | | | | | |
| 1342 | v v v v |
| 1343 | +----------+-----------+-----------+--- |
| 1344 | | script |fn topping()| "berries" | "cream" |
| 1345 | +----------+-----------+-----------+--- |
| 1346 | ^ ^ |
| 1347 | | | |
| 1348 | +-------------------------------+ |
| 1349 | topping Callframe |
| 1350 | */ |
| 1351 | self.stack[self.stack_top - args_slot_count - 1] = bound.receiver; |
| 1352 | self.call(bound.method, args_count, keyword_args_count) |
| 1353 | } |
| 1354 | Value::Closure(closure) => self.call(closure, args_count, keyword_args_count), |
| 1355 | Value::NativeFunction(function) => { |
| 1356 | // Calculate total arguments slots (positional + keyword pairs) |
| 1357 | let total_args = args_count + keyword_args_count * 2; |
| 1358 | let args = self.pop_stack_n(total_args as usize); |
| 1359 | let result = function(self, args).map_err(|err| match err { |
| 1360 | VmError::CompileError => err, |
| 1361 | VmError::RuntimeError(message) => self.runtime_error(message.into()), |
| 1362 | })?; |
| 1363 | self.stack_top -= 1; // Remove the function |
| 1364 | self.push_stack(result); |
| 1365 | Ok(()) |
| 1366 | } |
| 1367 | _ => Err(self.runtime_error("Can only call functions and classes.".into())), |
| 1368 | } |
| 1369 | } |
| 1370 | |
| 1371 | fn invoke_from_class( |
| 1372 | &mut self, |
no test coverage detected