| 100 | |
| 101 | |
| 102 | def UpdateCharState(c: str, state: CharState): |
| 103 | prev_char = state.prev_char |
| 104 | state.prev_char = c |
| 105 | state.pushed_paren = "" |
| 106 | if state.in_comment: |
| 107 | if prev_char == "*" and c == "/": |
| 108 | state.in_comment = False |
| 109 | return |
| 110 | if prev_char == "/" and c == "*": |
| 111 | state.in_comment = True |
| 112 | return |
| 113 | if state.backslash_escape: |
| 114 | state.backslash_escape = False |
| 115 | return |
| 116 | if c == "\\": |
| 117 | state.backslash_escape = True |
| 118 | elif c == '"' or c == "'": |
| 119 | if not state.quotes: |
| 120 | state.quotes.append(c) |
| 121 | elif state.quotes[-1] == c: |
| 122 | state.quotes.pop() |
| 123 | elif not state.quotes: |
| 124 | if c in _OPEN_PARENTHESES: |
| 125 | state.parentheses.append(c) |
| 126 | state.pushed_paren = c |
| 127 | elif c in _CLOSE_PARENTHESES: |
| 128 | if state.parentheses and state.parentheses[-1] == _PARENTHESES_MAP.get(c): |
| 129 | state.parentheses.pop() |
| 130 | else: |
| 131 | raise RuntimeError( |
| 132 | f"Mismatched parenthesis. Stack: {state.parentheses}. Value: '{c}'" |
| 133 | ) |
| 134 | |
| 135 | |
| 136 | _SKIP_LINE_RE = re.compile(r"^\s*(//|\})") |