Check for non-const references. Separate from CheckLanguage since it scans backwards from current line, instead of scanning forward. Args: filename: The name of the current file. clean_lines: A CleansedLines instance containing the file. linenum: The number of the line to check.
(filename, clean_lines, linenum,
nesting_state, error)
| 4132 | ' for more information.') |
| 4133 | |
| 4134 | def CheckForNonConstReference(filename, clean_lines, linenum, |
| 4135 | nesting_state, error): |
| 4136 | """Check for non-const references. |
| 4137 | |
| 4138 | Separate from CheckLanguage since it scans backwards from current |
| 4139 | line, instead of scanning forward. |
| 4140 | |
| 4141 | Args: |
| 4142 | filename: The name of the current file. |
| 4143 | clean_lines: A CleansedLines instance containing the file. |
| 4144 | linenum: The number of the line to check. |
| 4145 | nesting_state: A _NestingState instance which maintains information about |
| 4146 | the current stack of nested blocks being parsed. |
| 4147 | error: The function to call with any errors found. |
| 4148 | """ |
| 4149 | # Do nothing if there is no '&' on current line. |
| 4150 | line = clean_lines.elided[linenum] |
| 4151 | if '&' not in line: |
| 4152 | return |
| 4153 | |
| 4154 | # Long type names may be broken across multiple lines, usually in one |
| 4155 | # of these forms: |
| 4156 | # LongType |
| 4157 | # ::LongTypeContinued &identifier |
| 4158 | # LongType:: |
| 4159 | # LongTypeContinued &identifier |
| 4160 | # LongType< |
| 4161 | # ...>::LongTypeContinued &identifier |
| 4162 | # |
| 4163 | # If we detected a type split across two lines, join the previous |
| 4164 | # line to current line so that we can match const references |
| 4165 | # accordingly. |
| 4166 | # |
| 4167 | # Note that this only scans back one line, since scanning back |
| 4168 | # arbitrary number of lines would be expensive. If you have a type |
| 4169 | # that spans more than 2 lines, please use a typedef. |
| 4170 | if linenum > 1: |
| 4171 | previous = None |
| 4172 | if Match(r'\s*::(?:[\w<>]|::)+\s*&\s*\S', line): |
| 4173 | # previous_line\n + ::current_line |
| 4174 | previous = Search(r'\b((?:const\s*)?(?:[\w<>]|::)+[\w<>])\s*$', |
| 4175 | clean_lines.elided[linenum - 1]) |
| 4176 | elif Match(r'\s*[a-zA-Z_]([\w<>]|::)+\s*&\s*\S', line): |
| 4177 | # previous_line::\n + current_line |
| 4178 | previous = Search(r'\b((?:const\s*)?(?:[\w<>]|::)+::)\s*$', |
| 4179 | clean_lines.elided[linenum - 1]) |
| 4180 | if previous: |
| 4181 | line = previous.group(1) + line.lstrip() |
| 4182 | else: |
| 4183 | # Check for templated parameter that is split across multiple lines |
| 4184 | endpos = line.rfind('>') |
| 4185 | if endpos > -1: |
| 4186 | (_, startline, startpos) = ReverseCloseExpression( |
| 4187 | clean_lines, linenum, endpos) |
| 4188 | if startpos > -1 and startline < linenum: |
| 4189 | # Found the matching < on an earlier line, collect all |
| 4190 | # pieces up to current line. |
| 4191 | line = '' |
no test coverage detected