Update nesting state with current line. Args: filename: The name of the current file. clean_lines: A CleansedLines instance containing the file. linenum: The number of the line to check. error: The function to call with any errors found.
(self, filename, clean_lines, linenum, error)
| 2373 | |
| 2374 | # TODO(unknown): Update() is too long, but we will refactor later. |
| 2375 | def Update(self, filename, clean_lines, linenum, error): |
| 2376 | """Update nesting state with current line. |
| 2377 | |
| 2378 | Args: |
| 2379 | filename: The name of the current file. |
| 2380 | clean_lines: A CleansedLines instance containing the file. |
| 2381 | linenum: The number of the line to check. |
| 2382 | error: The function to call with any errors found. |
| 2383 | """ |
| 2384 | line = clean_lines.elided[linenum] |
| 2385 | |
| 2386 | # Remember top of the previous nesting stack. |
| 2387 | # |
| 2388 | # The stack is always pushed/popped and not modified in place, so |
| 2389 | # we can just do a shallow copy instead of copy.deepcopy. Using |
| 2390 | # deepcopy would slow down cpplint by ~28%. |
| 2391 | if self.stack: |
| 2392 | self.previous_stack_top = self.stack[-1] |
| 2393 | else: |
| 2394 | self.previous_stack_top = None |
| 2395 | |
| 2396 | # Update pp_stack |
| 2397 | self.UpdatePreprocessor(line) |
| 2398 | |
| 2399 | # Count parentheses. This is to avoid adding struct arguments to |
| 2400 | # the nesting stack. |
| 2401 | if self.stack: |
| 2402 | inner_block = self.stack[-1] |
| 2403 | depth_change = line.count('(') - line.count(')') |
| 2404 | inner_block.open_parentheses += depth_change |
| 2405 | |
| 2406 | # Also check if we are starting or ending an inline assembly block. |
| 2407 | if inner_block.inline_asm in (_NO_ASM, _END_ASM): |
| 2408 | if (depth_change != 0 and |
| 2409 | inner_block.open_parentheses == 1 and |
| 2410 | _MATCH_ASM.match(line)): |
| 2411 | # Enter assembly block |
| 2412 | inner_block.inline_asm = _INSIDE_ASM |
| 2413 | else: |
| 2414 | # Not entering assembly block. If previous line was _END_ASM, |
| 2415 | # we will now shift to _NO_ASM state. |
| 2416 | inner_block.inline_asm = _NO_ASM |
| 2417 | elif (inner_block.inline_asm == _INSIDE_ASM and |
| 2418 | inner_block.open_parentheses == 0): |
| 2419 | # Exit assembly block |
| 2420 | inner_block.inline_asm = _END_ASM |
| 2421 | |
| 2422 | # Consume namespace declaration at the beginning of the line. Do |
| 2423 | # this in a loop so that we catch same line declarations like this: |
| 2424 | # namespace proto2 { namespace bridge { class MessageSet; } } |
| 2425 | while True: |
| 2426 | # Match start of namespace. The "\b\s*" below catches namespace |
| 2427 | # declarations even if it weren't followed by a whitespace, this |
| 2428 | # is so that we don't confuse our namespace checker. The |
| 2429 | # missing spaces will be flagged by CheckSpacing. |
| 2430 | namespace_decl_match = Match(r'^\s*namespace\b\s*([:\w]+)?(.*)$', line) |
| 2431 | if not namespace_decl_match: |
| 2432 | break |
no test coverage detected