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.Fields in jflex.core declared as RegExp Modifier and Type Field Description (package private) RegExp
RegExp2. r1
(package private) RegExp
RegExp2. r2
Fields in jflex.core with type parameters of type RegExp Modifier and Type Field Description private java.util.List<RegExp>
RegExps. look
the lookahead expressionprivate java.util.Map<java.lang.String,RegExp>
Macros. macros
Maps names of macros to their definitionprivate java.util.List<RegExp>
RegExps. regExps
the regexpMethods in jflex.core that return RegExp Modifier and Type Method Description static RegExp
RegExp. anyChar()
Returns a regexp that matches any character:[^]
private RegExp
Macros. expandMacro(java.lang.String name, RegExp definition)
Expands the specified macro by replacing each macro usage with the stored definition.RegExp
Macros. getDefinition(java.lang.String name)
Fetches the definition of the macro with the specified name,RegExp
RegExps. getLookAhead(int num)
getLookAhead.RegExp
RegExps. getRegExp(int num)
getRegExp.private RegExp
LexParse.CUP$LexParse$actions. makeNL()
private RegExp
LexParse.CUP$LexParse$actions. makeRepeat(RegExp r, int n1, int n2, int line, int col)
RegExp
RegExp. normalise(Macros m)
Normalise the regular expression to eliminate macro use (expand them), and compound character class expression (compute their content).private RegExp
LexParse.CUP$LexParse$actions. primClass(int content)
private RegExp
LexParse.CUP$LexParse$actions. primClass(int start, int end)
private RegExp
LexParse.CUP$LexParse$actions. primClass(IntCharSet set)
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.private RegExp
Macros. expandMacro(java.lang.String name, RegExp definition)
Expands the specified macro by replacing each macro usage with the stored definition.boolean
Macros. insert(java.lang.String name, RegExp definition)
Stores a new macro and its definition.int
RegExps. insert(int line, java.util.List<java.lang.Integer> stateList, RegExp regExp, Action action, java.lang.Boolean isBOL, RegExp lookAhead)
insert.private void
NFA. insertCCLNFA(RegExp regExp, int start, int end)
Constructs a two state NFA for char class regexps, such that the NFA has exactly one start state, exactly one end state, no transitions leading out of the end state, no transitions leading into the start state.private void
NFA. insertLookAheadChoices(int baseEnd, Action a, RegExp lookAhead)
Insert NFAs for the (finitely many) fixed length lookahead choices.IntPair
NFA. insertNFA(RegExp regExp)
Constructs an NFA for regExp such that the NFA hasprivate boolean
LexParse.CUP$LexParse$actions. isDotOrNewlinePattern(RegExp r1, RegExp r2)
static boolean
SemCheck. isFiniteChoice(RegExp re)
Returns true iff the expression is a finite choice of fixed length expressions.private boolean
LexParse.CUP$LexParse$actions. isNewline(RegExp r)
static int
SemCheck. length(RegExp re)
Returns length if expression has fixed length, -1 otherwise.private RegExp
LexParse.CUP$LexParse$actions. makeRepeat(RegExp r, int n1, int n2, int line, int col)
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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