com.oracle.truffle.regex.tregex.matchers

Class SingleRangeMatcher

java.lang.Object

com.oracle.truffle.regex.tregex.matchers.CharMatcher

com.oracle.truffle.regex.tregex.matchers.InvertibleCharMatcher

com.oracle.truffle.regex.tregex.matchers.SingleRangeMatcher

public final class SingleRangeMatcher
extends InvertibleCharMatcher

Matcher for a single character range.

Method Summary

Modifier and Type	Method and Description
static SingleRangeMatcher	create(boolean invert, int lo, int hi)
int	estimatedCost() Conservatively estimate the equivalent number of integer comparisons of calling CharMatcher.match(int).
int	getHi()
int	getLo()
boolean	match(int c) Check if a given code point matches this CharMatcher.
String	toString()

Methods inherited from class com.oracle.truffle.regex.tregex.matchers.InvertibleCharMatcher

modifiersToString, result, result

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Method Detail

create

public static SingleRangeMatcher create(boolean invert,
                                        int lo,
                                        int hi)

getLo

public int getLo()

Returns:

inclusive lower bound of range to match.

getHi

public int getHi()

Returns:

inclusive upper bound of range to match.

match

public boolean match(int c)

Description copied from class: CharMatcher

Check if a given code point matches this CharMatcher.

Specified by:

match in class CharMatcher

Parameters:

c - any code point.

Returns:

true if the character matches.

See Also:

CompilerDirectives.isPartialEvaluationConstant(Object)

estimatedCost

public int estimatedCost()

Description copied from class: CharMatcher

Conservatively estimate the equivalent number of integer comparisons of calling CharMatcher.match(int).

Specified by:

estimatedCost in class CharMatcher

Returns:

the number of integer comparisons one call to CharMatcher.match(int) is roughly equivalent to. Array loads are treated as two comparisons.

toString

public String toString()

Overrides:

toString in class Object