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CALLOUTS.BUILTIN 2018/03/26
* FAIL (progress)
(*FAIL)
Always fail.
* MISMATCH (progress)
(*MISMATCH)
Terminates Match process.
Continues Search process.
* ERROR (progress)
(*ERROR{n::LONG})
Terminates Search/Match process.
Return value is the argument 'n'. (The value must be less than -1)
'n' is an optional argument. (default value is ONIG_ABORT)
* MAX (progress/retraction)
(*MAX{n::LONG/TAG, c::CHAR})
Restricts the maximum count of success(default), progress or retraction.
If 'n' type is tag, slot 0 value of the tag are used.
Depends on 'c' argument, the slot 0 value changes.
'c' is an optional argument, default value is 'X'.
(* success count = progress count - retraction count)
ex. "(?:(*COUNT[T]{X})a)*(?:(*MAX{T})c)*"
[callout data]
slot 0: '>': progress count, '<': retraction count, 'X': success count (default)
* COUNT (progress/retraction)
(*COUNT{c::CHAR})
Counter.
Depends on 'c' argument, the slot 0 value changes.
'c' is an optional argument, default value is '>'.
[callout data]
slot 0: '>': progress count (default), '<': retraction count, 'X': success count
slot 1: progress count
slot 2: retraction count
** If option ONIG_OPTION_FIND_LONGEST or ONIG_OPTION_FIND_NOT_EMPTY is used,
counts are not accurate.
* TOTAL_COUNT (progress/retraction)
(*TOTAL_COUNT{c::CHAR})
It's the almost same as COUNT.
But the counts are integrated in a search process.
'c' is an optional argument, default value is '>'.
[callout data]
slot 0: '>': progress count (default), '<': retraction count, 'X': success count
slot 1: progress count
slot 2: retraction count
** If option ONIG_OPTION_FIND_LONGEST or ONIG_OPTION_FIND_NOT_EMPTY is used,
counts are not accurate.
* CMP (progress)
(*CMP{x::TAG/LONG, op::STRING, y::TAG/LONG})
Compares x value and y value with op operator.
If x and y types are tag, slot 0 value of the tag are used.
op: '==', '!=', '>', '<', '>=', '<='
ex. "(?:(*MAX[TA]{7})a|(*MAX[TB]{5})b)*(*CMP{TA,>=,4})"
[callout data]
slot 0: op value (enum OP_CMP in src/regexec.c)
//END
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