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java.lang.Objectorg.exolab.castor.jdo.oql.Parser
public class Parser
Generates a parse tree for a stream of tokens representing an OQL query.
Field Summary | |
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(package private) Token |
_curToken
|
(package private) Lexer |
_lexer
|
(package private) Token |
_nextToken
|
(package private) ParseTreeNode |
_treeRoot
|
Fields inherited from interface org.exolab.castor.jdo.oql.TokenTypes |
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ARROW, BOOLEAN_LITERAL, CHAR_LITERAL, COLON, COMMA, CONCAT, DATE_LITERAL, DIVIDE, DOLLAR, DOT, DOUBLE_LITERAL, END_OF_QUERY, EQUAL, GT, GTE, IDENTIFIER, KEYWORD_ABS, KEYWORD_AND, KEYWORD_AS, KEYWORD_ASC, KEYWORD_AVG, KEYWORD_BETWEEN, KEYWORD_BY, KEYWORD_COUNT, KEYWORD_DESC, KEYWORD_DISTINCT, KEYWORD_FROM, KEYWORD_IN, KEYWORD_IS_DEFINED, KEYWORD_IS_UNDEFINED, KEYWORD_LIKE, KEYWORD_LIMIT, KEYWORD_LIST, KEYWORD_MAX, KEYWORD_MIN, KEYWORD_MOD, KEYWORD_NIL, KEYWORD_NOT, KEYWORD_OFFSET, KEYWORD_OR, KEYWORD_ORDER, KEYWORD_SELECT, KEYWORD_SUM, KEYWORD_UNDEFINED, KEYWORD_WHERE, LONG_LITERAL, LPAREN, LT, LTE, MINUS, NOT_EQUAL, PLUS, RPAREN, STRING_LITERAL, TIME_LITERAL, TIMES, TIMESTAMP_LITERAL |
Constructor Summary | |
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Parser(Lexer lexer)
Creates a parser which will generate a parse tree from a series of tokens. |
Method Summary | |
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ParseTreeNode |
getParseTree()
Generates the parse tree for the tokens provided by the Lexer passed in the constructor. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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Lexer _lexer
Token _curToken
Token _nextToken
ParseTreeNode _treeRoot
Constructor Detail |
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public Parser(Lexer lexer) throws InvalidCharException, OQLSyntaxException
lexer
- Lexer instance.
InvalidCharException
- thrown by primeLexer.
OQLSyntaxException
- thrown by primeLexer.Method Detail |
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public ParseTreeNode getParseTree() throws InvalidCharException, OQLSyntaxException
InvalidCharException
- thrown by match.
OQLSyntaxException
- thrown by match.
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