public RENode.Char parseCharacterLiteral() throws SyntaxException { if (lexer.next(Kind.LITERAL)) { return new RENode.Char(lexer.getToken().charAt(0)); } else { return null; } }
public RENode.CharacterClassExpr.Char parseCharacterClassLiteral() throws SyntaxException { if (lexer.next(Kind.LITERAL)) { return new RENode.CharacterClassExpr.Char(lexer.getToken().charAt(0)); } else { return null; } } }
public RENode.Char parseCharacterLiteral() throws SyntaxException { if (lexer.next(Kind.LITERAL)) { return new RENode.Char(lexer.getToken().charAt(0)); } else { return null; } }
public RENode.CharacterClassExpr.Char parseCharacterClassLiteral() throws SyntaxException { if (lexer.next(Kind.LITERAL)) { return new RENode.CharacterClassExpr.Char(lexer.getToken().charAt(0)); } else { return null; } } }
public Quantifier parseQuantifier() throws SyntaxException { if (lexer.next(Kind.QUANTIFIER)) { String quantifierToken = lexer.getToken(); Matcher matcher = QUANTIFIER_PATTERN.matcher(quantifierToken); if (!matcher.matches()) { switch (lexer.getToken().charAt(0)) { case '?': mode = Quantifier.Mode.RELUCTANT;
public Quantifier parseQuantifier() throws SyntaxException { if (lexer.next(Kind.QUANTIFIER)) { String quantifierToken = lexer.getToken(); Matcher matcher = QUANTIFIER_PATTERN.matcher(quantifierToken); if (!matcher.matches()) { switch (lexer.getToken().charAt(0)) { case '?': mode = Quantifier.Mode.RELUCTANT;
private RENode.CharacterClassExpr _parseCharacterClass() throws SyntaxException { if (lexer.next(Kind.CC_OPEN)) { boolean negated = lexer.getToken().length() > 1; RENode.CharacterClassExpr expr = parseCharacterClassExpression(); if (expr != null) { if (lexer.next(Kind.CC_CLOSE)) { return negated ? new RENode.CharacterClassExpr.Not(expr) : expr; } else { throw new SyntaxException(""); } } else { throw new SyntaxException(""); } } else { return null; } }
private RENode.CharacterClassExpr _parseCharacterClass() throws SyntaxException { if (lexer.next(Kind.CC_OPEN)) { boolean negated = lexer.getToken().length() > 1; RENode.CharacterClassExpr expr = parseCharacterClassExpression(); if (expr != null) { if (lexer.next(Kind.CC_CLOSE)) { return negated ? new RENode.CharacterClassExpr.Not(expr) : expr; } else { throw new SyntaxException(""); } } else { throw new SyntaxException(""); } } else { return null; } }
public RENode.Expr parseExpression() throws SyntaxException { RENode.Expr expr; if (lexer.next(Kind.BEGIN)) { expr = new RENode.Assertion.Begin(); } else if (lexer.next(Kind.END)) { expr = new RENode.Assertion.End(); } else if (lexer.next(Kind.GROUP_OPEN)) { GroupType groupType = GroupType.forPrefix(lexer.getToken()); RENode.Disjunction group = parseDisjunction(); if (lexer.next(Kind.GROUP_CLOSE)) { expr = new RENode.Group(group, groupType); } else { throw new SyntaxException("Group not closed "); } } else { expr = parseCharacter(); } if (expr != null) { Quantifier quantifier = parseQuantifier(); if (quantifier != null) { expr.setQuantifier(quantifier); } } return expr; }
public RENode.Expr parseExpression() throws SyntaxException { RENode.Expr expr; if (lexer.next(Kind.BEGIN)) { expr = new RENode.Assertion.Begin(); } else if (lexer.next(Kind.END)) { expr = new RENode.Assertion.End(); } else if (lexer.next(Kind.GROUP_OPEN)) { GroupType groupType = GroupType.forPrefix(lexer.getToken()); RENode.Disjunction group = parseDisjunction(); if (lexer.next(Kind.GROUP_CLOSE)) { expr = new RENode.Group(group, groupType); } else { throw new SyntaxException("Group not closed "); } } else { expr = parseCharacter(); } if (expr != null) { Quantifier quantifier = parseQuantifier(); if (quantifier != null) { expr.setQuantifier(quantifier); } } return expr; }