org.exist.xquery.parser
Class XQueryTreeParser

java.lang.Object
  antlr.TreeParser
      org.exist.xquery.parser.XQueryTreeParser

All Implemented Interfaces:

XQueryTreeParserTokenTypes

public class XQueryTreeParser
extends TreeParser
implements XQueryTreeParserTokenTypes

The tree parser: walks the AST created by XQueryParser and generates an internal representation of the query in the form of XQuery expression objects.

Field Summary

static String[]	_tokenNames
static BitSet	_tokenSet_0
static BitSet	_tokenSet_1
static BitSet	_tokenSet_2

Fields inherited from class antlr.TreeParser

ASTNULL

Fields inherited from interface org.exist.xquery.parser.XQueryTreeParserTokenTypes

ABSOLUTE_DSLASH, ABSOLUTE_SLASH, AFTER, ANDEQ, APOS, APOS_ATTRIBUTE_CONTENT, AT, ATOMIC_TYPE, ATTRIBUTE, ATTRIBUTE_CONTENT, ATTRIBUTE_TEST, BASECHAR, BEFORE, CHAR, CHAR_REF, COLON, COMBINING_CHAR, COMMA, COMP_ATTR_CONSTRUCTOR, COMP_COMMENT_CONSTRUCTOR, COMP_DOC_CONSTRUCTOR, COMP_ELEM_CONSTRUCTOR, COMP_NS_CONSTRUCTOR, COMP_PI_CONSTRUCTOR, COMP_TEXT_CONSTRUCTOR, DECIMAL_LITERAL, DEF_COLLATION_DECL, DEF_FUNCTION_NS_DECL, DEF_NAMESPACE_DECL, DIGIT, DIGITS, DOLLAR, DOUBLE_LITERAL, DSLASH, ELEMENT, ELEMENT_CONTENT, END_TAG_START, EOF, EQ, ESCAPE_APOS, ESCAPE_QUOT, EXPR_COMMENT, EXTENDER, FLWOR, FUNCTION, FUNCTION_DECL, GLOBAL_VAR, GROUP_BY, GT, GTEQ, HEX_DIGITS, IDEOGRAPHIC, INTEGER_LITERAL, LCURLY, LETTER, LITERAL_ancestor, LITERAL_and, LITERAL_as, LITERAL_ascending, LITERAL_at, LITERAL_attribute, LITERAL_by, LITERAL_case, LITERAL_cast, LITERAL_castable, LITERAL_child, LITERAL_collation, LITERAL_collection, LITERAL_comment, LITERAL_construction, LITERAL_declare, LITERAL_default, LITERAL_delete, LITERAL_descendant, LITERAL_descending, LITERAL_div, LITERAL_document, LITERAL_element, LITERAL_else, LITERAL_empty, LITERAL_encoding, LITERAL_eq, LITERAL_every, LITERAL_except, LITERAL_external, LITERAL_following, LITERAL_for, LITERAL_function, LITERAL_ge, LITERAL_greatest, LITERAL_group, LITERAL_gt, LITERAL_idiv, LITERAL_if, LITERAL_import, LITERAL_in, LITERAL_inherit, LITERAL_insert, LITERAL_instance, LITERAL_intersect, LITERAL_into, LITERAL_is, LITERAL_isnot, LITERAL_item, LITERAL_le, LITERAL_least, LITERAL_let, LITERAL_lt, LITERAL_mod, LITERAL_module, LITERAL_namespace, LITERAL_ne, LITERAL_node, LITERAL_of, LITERAL_option, LITERAL_or, LITERAL_order, LITERAL_ordered, LITERAL_ordering, LITERAL_parent, LITERAL_preceding, LITERAL_preserve, LITERAL_rename, LITERAL_replace, LITERAL_return, LITERAL_satisfies, LITERAL_schema, LITERAL_self, LITERAL_some, LITERAL_strip, LITERAL_text, LITERAL_then, LITERAL_to, LITERAL_treat, LITERAL_typeswitch, LITERAL_union, LITERAL_unordered, LITERAL_update, LITERAL_validate, LITERAL_value, LITERAL_variable, LITERAL_version, LITERAL_where, LITERAL_with, LITERAL_xpointer, LITERAL_xquery, LPAREN, LPPAREN, LT, LTEQ, MINUS, MODULE, MODULE_DECL, MODULE_IMPORT, NAMESPACE_DECL, NCNAME, NEQ, NEXT_TOKEN, NMCHAR, NMSTART, NULL_TREE_LOOKAHEAD, OPTION, ORDER_BY, OREQ, PARENT, PARENTHESIZED, PLUS, POSITIONAL_VAR, PRAGMA, PRAGMA_END, PRAGMA_START, PREDEFINED_ENTITY_REF, PREDICATE, PREFIX_WILDCARD, PROLOG, QNAME, QUESTION, QUOT, QUOT_ATTRIBUTE_CONTENT, RCURLY, RPAREN, RPPAREN, S, SCHEMA_IMPORT, SELF, SEMICOLON, SLASH, STAR, STRING_LITERAL, TEXT, UNARY_MINUS, UNARY_PLUS, UNION, VARIABLE_BINDING, VARIABLE_REF, VERSION_DECL, WILDCARD, WS, XML_CDATA, XML_CDATA_END, XML_CDATA_START, XML_COMMENT, XML_COMMENT_END, XML_PI, XML_PI_END, XML_PI_START, XPOINTER, XPOINTER_ID

Constructor Summary

XQueryTreeParser()

XQueryTreeParser(XQueryContext context)

Method Summary

Expression	constructor(AST _t, PathExpr path)
Expression	expr(AST _t, PathExpr path) Process a top-level expression like FLWOR, conditionals, comparisons etc.
Expression	extensionExpr(AST _t, PathExpr path)
int	forwardAxis(AST _t)
boolean	foundErrors()
Expression	fulltextComp(AST _t, PathExpr path)
Expression	functionCall(AST _t, PathExpr path)
void	functionDecl(AST _t, PathExpr path) Parse a declared function.
Expression	generalComp(AST _t, PathExpr path)
String	getErrorMessage()
Exception	getLastException()
ExternalModule	getModule()
void	importDecl(AST _t, PathExpr path)
Expression	literalExpr(AST _t, PathExpr path)
void	module(AST _t, PathExpr path)
Expression	nodeComp(AST _t, PathExpr path)
Expression	numericExpr(AST _t, PathExpr path)
void	param(AST _t, List vars) Single function param.
void	paramList(AST _t, List vars) Parse params in function declaration.
Expression	pathExpr(AST _t, PathExpr path)
void	predicate(AST _t, LocationStep step)
Expression	predicates(AST _t, Expression expression)
Expression	primaryExpr(AST _t, PathExpr path) Process a primary expression like function calls, variable references, value constructors etc.
void	prolog(AST _t, PathExpr path) Process the XQuery prolog.
void	sequenceType(AST _t, SequenceType type) A sequence type declaration.
Expression	typeCastExpr(AST _t, PathExpr path)
Expression	updateExpr(AST _t, PathExpr path)
Expression	valueComp(AST _t, PathExpr path)
void	xpath(AST _t, PathExpr path)
void	xpointer(AST _t, PathExpr path)

Methods inherited from class antlr.TreeParser

getAST, getASTFactory, getTokenName, getTokenNames, match, panic, reportError, reportError, reportWarning, setASTFactory, setASTNodeClass, setASTNodeType, traceIn, traceIndent, traceOut

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

_tokenNames

public static final String[] _tokenNames

_tokenSet_0

public static final BitSet _tokenSet_0

_tokenSet_1

public static final BitSet _tokenSet_1

_tokenSet_2

public static final BitSet _tokenSet_2

Constructor Detail

XQueryTreeParser

public XQueryTreeParser(XQueryContext context)

XQueryTreeParser

public XQueryTreeParser()

Method Detail

getModule

public ExternalModule getModule()

foundErrors

public boolean foundErrors()

getErrorMessage

public String getErrorMessage()

getLastException

public Exception getLastException()

xpointer

public final void xpointer(AST _t,
                           PathExpr path)
                    throws RecognitionException,
                           XPathException

Throws:

RecognitionException

XPathException

expr

public final Expression expr(AST _t,
                             PathExpr path)
                      throws RecognitionException,
                             PermissionDeniedException,
                             EXistException,
                             XPathException

Process a top-level expression like FLWOR, conditionals, comparisons etc.

Throws:

RecognitionException

PermissionDeniedException

EXistException

XPathException

xpath

public final void xpath(AST _t,
                        PathExpr path)
                 throws RecognitionException,
                        XPathException

Throws:

RecognitionException

XPathException

module

public final void module(AST _t,
                         PathExpr path)
                  throws RecognitionException,
                         PermissionDeniedException,
                         EXistException,
                         XPathException

Throws:

RecognitionException

PermissionDeniedException

EXistException

XPathException

prolog

public final void prolog(AST _t,
                         PathExpr path)
                  throws RecognitionException,
                         PermissionDeniedException,
                         EXistException,
                         XPathException

Process the XQuery prolog.

Throws:

RecognitionException

PermissionDeniedException

EXistException

XPathException

sequenceType

public final void sequenceType(AST _t,
                               SequenceType type)
                        throws RecognitionException,
                               XPathException

A sequence type declaration.

Throws:

RecognitionException

XPathException

functionDecl

public final void functionDecl(AST _t,
                               PathExpr path)
                        throws RecognitionException,
                               PermissionDeniedException,
                               EXistException,
                               XPathException

Parse a declared function.

Throws:

RecognitionException

PermissionDeniedException

EXistException

XPathException

importDecl

public final void importDecl(AST _t,
                             PathExpr path)
                      throws RecognitionException,
                             PermissionDeniedException,
                             EXistException,
                             XPathException

Throws:

RecognitionException

PermissionDeniedException

EXistException

XPathException

paramList

public final void paramList(AST _t,
                            List vars)
                     throws RecognitionException,
                            XPathException

Parse params in function declaration.

Throws:

RecognitionException

XPathException

param

public final void param(AST _t,
                        List vars)
                 throws RecognitionException,
                        XPathException

Single function param.

Throws:

RecognitionException

XPathException

typeCastExpr

public final Expression typeCastExpr(AST _t,
                                     PathExpr path)
                              throws RecognitionException,
                                     PermissionDeniedException,
                                     EXistException,
                                     XPathException

Throws:

RecognitionException

PermissionDeniedException

EXistException

XPathException

generalComp

public final Expression generalComp(AST _t,
                                    PathExpr path)
                             throws RecognitionException,
                                    PermissionDeniedException,
                                    EXistException,
                                    XPathException

Throws:

RecognitionException

PermissionDeniedException

EXistException

XPathException

valueComp

public final Expression valueComp(AST _t,
                                  PathExpr path)
                           throws RecognitionException,
                                  PermissionDeniedException,
                                  EXistException,
                                  XPathException

Throws:

RecognitionException

PermissionDeniedException

EXistException

XPathException

nodeComp

public final Expression nodeComp(AST _t,
                                 PathExpr path)
                          throws RecognitionException,
                                 PermissionDeniedException,
                                 EXistException,
                                 XPathException

Throws:

RecognitionException

PermissionDeniedException

EXistException

XPathException

fulltextComp

public final Expression fulltextComp(AST _t,
                                     PathExpr path)
                              throws RecognitionException,
                                     PermissionDeniedException,
                                     EXistException,
                                     XPathException

Throws:

RecognitionException

PermissionDeniedException

EXistException

XPathException

primaryExpr

public final Expression primaryExpr(AST _t,
                                    PathExpr path)
                             throws RecognitionException,
                                    PermissionDeniedException,
                                    EXistException,
                                    XPathException

Process a primary expression like function calls, variable references, value constructors etc.

Throws:

RecognitionException

PermissionDeniedException

EXistException

XPathException

pathExpr

public final Expression pathExpr(AST _t,
                                 PathExpr path)
                          throws RecognitionException,
                                 PermissionDeniedException,
                                 EXistException,
                                 XPathException

Throws:

RecognitionException

PermissionDeniedException

EXistException

XPathException

extensionExpr

public final Expression extensionExpr(AST _t,
                                      PathExpr path)
                               throws RecognitionException,
                                      XPathException,
                                      PermissionDeniedException,
                                      EXistException

Throws:

RecognitionException

XPathException

PermissionDeniedException

EXistException

numericExpr

public final Expression numericExpr(AST _t,
                                    PathExpr path)
                             throws RecognitionException,
                                    PermissionDeniedException,
                                    EXistException,
                                    XPathException

Throws:

RecognitionException

PermissionDeniedException

EXistException

XPathException

updateExpr

public final Expression updateExpr(AST _t,
                                   PathExpr path)
                            throws RecognitionException,
                                   XPathException,
                                   PermissionDeniedException,
                                   EXistException

Throws:

RecognitionException

XPathException

PermissionDeniedException

EXistException

constructor

public final Expression constructor(AST _t,
                                    PathExpr path)
                             throws RecognitionException,
                                    PermissionDeniedException,
                                    EXistException,
                                    XPathException

Throws:

RecognitionException

PermissionDeniedException

EXistException

XPathException

predicates

public final Expression predicates(AST _t,
                                   Expression expression)
                            throws RecognitionException,
                                   PermissionDeniedException,
                                   EXistException,
                                   XPathException

Throws:

RecognitionException

PermissionDeniedException

EXistException

XPathException

literalExpr

public final Expression literalExpr(AST _t,
                                    PathExpr path)
                             throws RecognitionException,
                                    XPathException

Throws:

RecognitionException

XPathException

functionCall

public final Expression functionCall(AST _t,
                                     PathExpr path)
                              throws RecognitionException,
                                     PermissionDeniedException,
                                     EXistException,
                                     XPathException

Throws:

RecognitionException

PermissionDeniedException

EXistException

XPathException

forwardAxis

public final int forwardAxis(AST _t)
                      throws RecognitionException,
                             PermissionDeniedException,
                             EXistException

Throws:

RecognitionException

PermissionDeniedException

EXistException

predicate

public final void predicate(AST _t,
                            LocationStep step)
                     throws RecognitionException,
                            PermissionDeniedException,
                            EXistException,
                            XPathException

Throws:

RecognitionException

PermissionDeniedException

EXistException

XPathException