Uses of Class
jflex.core.RegExp
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Packages that use RegExp Package Description jflex.core -
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Uses of RegExp in jflex.core
Subclasses of RegExp in jflex.core Modifier and Type Class Description class
RegExp1
Stores a regular expression from the rules section of a JFlex specification.class
RegExp2
Regular expression with two children (e.g.Methods in jflex.core that return RegExp Modifier and Type Method Description static RegExp
RegExp. anyChar()
Returns a regexp that matches any character:[^]
RegExp
Macros. getDefinition(String name)
Fetches the definition of the macro with the specified name,RegExp
RegExps. getLookAhead(int num)
getLookAhead.RegExp
RegExps. getRegExp(int num)
getRegExp.RegExp
RegExp. normalise(Macros m)
Normalise the regular expression to eliminate macro use (expand them), and compound character class expression (compute their content).RegExp
RegExp. resolveTilde()
Recursively convert tilde (upto) expressions into negation and star.RegExp
RegExp. rev()
Creates a new regexp that matches the reverse text of this one.Methods in jflex.core with parameters of type RegExp Modifier and Type Method Description static RegExp1
RegExp. checkPrimClass(RegExp r)
Confirms that the parameter is a RegExp1 of type sym.PRIMCLASS.boolean
Macros. insert(String name, RegExp definition)
Stores a new macro and its definition.int
RegExps. insert(int line, List<Integer> stateList, RegExp regExp, Action action, Boolean isBOL, RegExp lookAhead)
insert.IntPair
NFA. insertNFA(RegExp regExp)
Constructs an NFA for regExp such that the NFA hasstatic boolean
SemCheck. isFiniteChoice(RegExp re)
Returns true iff the expression is a finite choice of fixed length expressions.static int
SemCheck. length(RegExp re)
Returns length if expression has fixed length, -1 otherwise.static boolean
SemCheck. maybeEmtpy(RegExp re)
Checks if the expression potentially matches the empty string.static IntCharSet
RegExp. performClassOp(int op, IntCharSet l, IntCharSet r, RegExp ctxt)
Performs the given set operation on the twoIntCharSet
parameters.Constructors in jflex.core with parameters of type RegExp Constructor Description RegExp2(int type, RegExp r1, RegExp r2)
Constructor for RegExp2.RegExpException(RegExp e)
Creates a new RegExpException for the specified regular expression.
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