def skip_string()

in lean/scripts/lint_style.py [0:0]

• 20 lines of code
• 13 McCabe index (conditional complexity)

def skip_string(enumerate_lines):
    in_string = False
    in_comment = False
    for line_nr, line in enumerate_lines:
        # ignore comment markers inside string literals
        if not in_string:
            if "/-" in line:
                in_comment = True
            if "-/" in line:
                in_comment = False
        # ignore quotes inside comments
        if not in_comment:
            # crude heuristic: if the number of non-escaped quote signs is odd,
            # we're starting / ending a string literal
            if line.count("\"") - line.count("\\\"") % 2 == 1:
                in_string = not in_string
            # if there are quote signs in this line,
            # a string literal probably begins and / or ends here,
            # so we skip this line
            if line.count("\"") > 0:
                continue
            if in_string:
                continue
        yield line_nr, line