This derived-type contains single UTF-8 character and two flags.
It will be used to parse character class patterns enclosed in square brackets.
is_escaped is true when the character has preceding backslash.
is_hyphenated is true when the character has following hyphen except for First character.
seg_size is the number of segments the component represents, which is 1 for normal characters
and greater than 1 for most shorthand escape sequences.
| Type | Visibility | Attributes | Name | Initial | |||
|---|---|---|---|---|---|---|---|
| character(len=:), | public, | allocatable | :: | c | |||
| logical, | public | :: | is_escaped | = | .false. | ||
| logical, | public | :: | is_hyphenated | = | .false. | ||
| logical, | public | :: | is_subtract | = | .false. | ||
| integer, | public | :: | seg_size | = | 0 |