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一个非常好用而且强大的基于xpath的html解析器。html的DOM树生成依赖Jsoup。Lexer 和 Parser基于Antlr4,支持完备的W3C XPATH 1.0标准语法，W3C规范：http://www.w3.org/TR/1999/REC-xpath-19991116。
// Generated from Xpath.g4 by ANTLR 4.7
package org.seimicrawler.xpath.antlr;
import org.antlr.v4.runtime.NoViableAltException;
import org.antlr.v4.runtime.Parser;
import org.antlr.v4.runtime.ParserRuleContext;
import org.antlr.v4.runtime.RecognitionException;
import org.antlr.v4.runtime.RuntimeMetaData;
import org.antlr.v4.runtime.Token;
import org.antlr.v4.runtime.TokenStream;
import org.antlr.v4.runtime.Vocabulary;
import org.antlr.v4.runtime.VocabularyImpl;
import org.antlr.v4.runtime.atn.ATN;
import org.antlr.v4.runtime.atn.ATNDeserializer;
import org.antlr.v4.runtime.atn.ParserATNSimulator;
import org.antlr.v4.runtime.atn.PredictionContextCache;
import org.antlr.v4.runtime.dfa.DFA;
import org.antlr.v4.runtime.tree.ParseTreeListener;
import org.antlr.v4.runtime.tree.ParseTreeVisitor;
import org.antlr.v4.runtime.tree.TerminalNode;
import java.util.List;
@SuppressWarnings({"all", "warnings", "unchecked", "unused", "cast"})
public class XpathParser extends Parser {
static { RuntimeMetaData.checkVersion("4.7", RuntimeMetaData.VERSION); }
protected static final DFA[] _decisionToDFA;
protected static final PredictionContextCache _sharedContextCache =
new PredictionContextCache();
public static final int
T__0=1, T__1=2, T__2=3, T__3=4, NodeType=5, Number=6, AxisName=7, PATHSEP=8,
ABRPATH=9, LPAR=10, RPAR=11, LBRAC=12, RBRAC=13, MINUS=14, PLUS=15, DOT=16,
MUL=17, DIVISION=18, MODULO=19, DOTDOT=20, AT=21, COMMA=22, PIPE=23, LESS=24,
MORE_=25, LE=26, GE=27, EQUALITY=28, INEQUALITY=29, START_WITH=30, END_WITH=31,
CONTAIN_WITH=32, REGEXP_WITH=33, REGEXP_NOT_WITH=34, COLON=35, CC=36,
APOS=37, QUOT=38, Literal=39, Whitespace=40, NCName=41;
public static final int
RULE_main = 0, RULE_locationPath = 1, RULE_absoluteLocationPathNoroot = 2,
RULE_relativeLocationPath = 3, RULE_step = 4, RULE_axisSpecifier = 5,
RULE_nodeTest = 6, RULE_predicate = 7, RULE_abbreviatedStep = 8, RULE_expr = 9,
RULE_primaryExpr = 10, RULE_functionCall = 11, RULE_unionExprNoRoot = 12,
RULE_pathExprNoRoot = 13, RULE_filterExpr = 14, RULE_orExpr = 15, RULE_andExpr = 16,
RULE_equalityExpr = 17, RULE_relationalExpr = 18, RULE_additiveExpr = 19,
RULE_multiplicativeExpr = 20, RULE_unaryExprNoRoot = 21, RULE_qName = 22,
RULE_functionName = 23, RULE_variableReference = 24, RULE_nameTest = 25,
RULE_nCName = 26;
public static final String[] ruleNames = {
"main", "locationPath", "absoluteLocationPathNoroot", "relativeLocationPath",
"step", "axisSpecifier", "nodeTest", "predicate", "abbreviatedStep", "expr",
"primaryExpr", "functionCall", "unionExprNoRoot", "pathExprNoRoot", "filterExpr",
"orExpr", "andExpr", "equalityExpr", "relationalExpr", "additiveExpr",
"multiplicativeExpr", "unaryExprNoRoot", "qName", "functionName", "variableReference",
"nameTest", "nCName"
};
private static final String[] _LITERAL_NAMES = {
null, "'processing-instruction'", "'or'", "'and'", "'$'", null, null,
null, "'/'", "'//'", "'('", "')'", "'['", "']'", "'-'", "'+'", "'.'",
"'*'", "'`div`'", "'`mod`'", "'..'", "'@'", "','", "'|'", "'<'", "'>'",
"'<='", "'>='", "'='", "'!='", "'^='", "'$='", "'*='", "'~='", "'!~'",
"':'", "'::'", "'''", "'\"'"
};
private static final String[] _SYMBOLIC_NAMES = {
null, null, null, null, null, "NodeType", "Number", "AxisName", "PATHSEP",
"ABRPATH", "LPAR", "RPAR", "LBRAC", "RBRAC", "MINUS", "PLUS", "DOT", "MUL",
"DIVISION", "MODULO", "DOTDOT", "AT", "COMMA", "PIPE", "LESS", "MORE_",
"LE", "GE", "EQUALITY", "INEQUALITY", "START_WITH", "END_WITH", "CONTAIN_WITH",
"REGEXP_WITH", "REGEXP_NOT_WITH", "COLON", "CC", "APOS", "QUOT", "Literal",
"Whitespace", "NCName"
};
public static final Vocabulary VOCABULARY = new VocabularyImpl(_LITERAL_NAMES, _SYMBOLIC_NAMES);
/**
* @deprecated Use {@link #VOCABULARY} instead.
*/
@Deprecated
public static final String[] tokenNames;
static {
tokenNames = new String[_SYMBOLIC_NAMES.length];
for (int i = 0; i < tokenNames.length; i++) {
tokenNames[i] = VOCABULARY.getLiteralName(i);
if (tokenNames[i] == null) {
tokenNames[i] = VOCABULARY.getSymbolicName(i);
}
if (tokenNames[i] == null) {
tokenNames[i] = "";
}
}
}
@Override
@Deprecated
public String[] getTokenNames() {
return tokenNames;
}
@Override
public Vocabulary getVocabulary() {
return VOCABULARY;
}
@Override
public String getGrammarFileName() { return "Xpath.g4"; }
@Override
public String[] getRuleNames() { return ruleNames; }
@Override
public String getSerializedATN() { return _serializedATN; }
@Override
public ATN getATN() { return _ATN; }
public XpathParser(TokenStream input) {
super(input);
_interp = new ParserATNSimulator(this,_ATN,_decisionToDFA,_sharedContextCache);
}
public static class MainContext extends ParserRuleContext {
public ExprContext expr() {
return getRuleContext(ExprContext.class,0);
}
public MainContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_main; }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).enterMain(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).exitMain(this);
}
@Override
public T accept(ParseTreeVisitor visitor) {
if ( visitor instanceof XpathVisitor ) return ((XpathVisitor)visitor).visitMain(this);
else return visitor.visitChildren(this);
}
}
public final MainContext main() throws RecognitionException {
MainContext _localctx = new MainContext(_ctx, getState());
enterRule(_localctx, 0, RULE_main);
try {
enterOuterAlt(_localctx, 1);
{
setState(54);
expr();
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class LocationPathContext extends ParserRuleContext {
public RelativeLocationPathContext relativeLocationPath() {
return getRuleContext(RelativeLocationPathContext.class,0);
}
public AbsoluteLocationPathNorootContext absoluteLocationPathNoroot() {
return getRuleContext(AbsoluteLocationPathNorootContext.class,0);
}
public LocationPathContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_locationPath; }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).enterLocationPath(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).exitLocationPath(this);
}
@Override
public T accept(ParseTreeVisitor visitor) {
if ( visitor instanceof XpathVisitor ) return ((XpathVisitor)visitor).visitLocationPath(this);
else return visitor.visitChildren(this);
}
}
public final LocationPathContext locationPath() throws RecognitionException {
LocationPathContext _localctx = new LocationPathContext(_ctx, getState());
enterRule(_localctx, 2, RULE_locationPath);
try {
setState(58);
_errHandler.sync(this);
switch (_input.LA(1)) {
case T__0:
case NodeType:
case AxisName:
case DOT:
case MUL:
case DOTDOT:
case AT:
case NCName:
enterOuterAlt(_localctx, 1);
{
setState(56);
relativeLocationPath();
}
break;
case PATHSEP:
case ABRPATH:
enterOuterAlt(_localctx, 2);
{
setState(57);
absoluteLocationPathNoroot();
}
break;
default:
throw new NoViableAltException(this);
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class AbsoluteLocationPathNorootContext extends ParserRuleContext {
public Token op;
public RelativeLocationPathContext relativeLocationPath() {
return getRuleContext(RelativeLocationPathContext.class,0);
}
public TerminalNode PATHSEP() { return getToken(XpathParser.PATHSEP, 0); }
public TerminalNode ABRPATH() { return getToken(XpathParser.ABRPATH, 0); }
public AbsoluteLocationPathNorootContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_absoluteLocationPathNoroot; }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).enterAbsoluteLocationPathNoroot(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).exitAbsoluteLocationPathNoroot(this);
}
@Override
public T accept(ParseTreeVisitor visitor) {
if ( visitor instanceof XpathVisitor ) return ((XpathVisitor)visitor).visitAbsoluteLocationPathNoroot(this);
else return visitor.visitChildren(this);
}
}
public final AbsoluteLocationPathNorootContext absoluteLocationPathNoroot() throws RecognitionException {
AbsoluteLocationPathNorootContext _localctx = new AbsoluteLocationPathNorootContext(_ctx, getState());
enterRule(_localctx, 4, RULE_absoluteLocationPathNoroot);
int _la;
try {
enterOuterAlt(_localctx, 1);
{
setState(60);
((AbsoluteLocationPathNorootContext)_localctx).op = _input.LT(1);
_la = _input.LA(1);
if ( !(_la==PATHSEP || _la==ABRPATH) ) {
((AbsoluteLocationPathNorootContext)_localctx).op = (Token)_errHandler.recoverInline(this);
}
else {
if ( _input.LA(1)==Token.EOF ) matchedEOF = true;
_errHandler.reportMatch(this);
consume();
}
setState(61);
relativeLocationPath();
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class RelativeLocationPathContext extends ParserRuleContext {
public Token op;
public List step() {
return getRuleContexts(StepContext.class);
}
public StepContext step(int i) {
return getRuleContext(StepContext.class,i);
}
public List PATHSEP() { return getTokens(XpathParser.PATHSEP); }
public TerminalNode PATHSEP(int i) {
return getToken(XpathParser.PATHSEP, i);
}
public List ABRPATH() { return getTokens(XpathParser.ABRPATH); }
public TerminalNode ABRPATH(int i) {
return getToken(XpathParser.ABRPATH, i);
}
public RelativeLocationPathContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_relativeLocationPath; }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).enterRelativeLocationPath(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).exitRelativeLocationPath(this);
}
@Override
public T accept(ParseTreeVisitor visitor) {
if ( visitor instanceof XpathVisitor ) return ((XpathVisitor)visitor).visitRelativeLocationPath(this);
else return visitor.visitChildren(this);
}
}
public final RelativeLocationPathContext relativeLocationPath() throws RecognitionException {
RelativeLocationPathContext _localctx = new RelativeLocationPathContext(_ctx, getState());
enterRule(_localctx, 6, RULE_relativeLocationPath);
int _la;
try {
enterOuterAlt(_localctx, 1);
{
setState(63);
step();
setState(68);
_errHandler.sync(this);
_la = _input.LA(1);
while (_la==PATHSEP || _la==ABRPATH) {
{
{
setState(64);
((RelativeLocationPathContext)_localctx).op = _input.LT(1);
_la = _input.LA(1);
if ( !(_la==PATHSEP || _la==ABRPATH) ) {
((RelativeLocationPathContext)_localctx).op = (Token)_errHandler.recoverInline(this);
}
else {
if ( _input.LA(1)==Token.EOF ) matchedEOF = true;
_errHandler.reportMatch(this);
consume();
}
setState(65);
step();
}
}
setState(70);
_errHandler.sync(this);
_la = _input.LA(1);
}
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class StepContext extends ParserRuleContext {
public AxisSpecifierContext axisSpecifier() {
return getRuleContext(AxisSpecifierContext.class,0);
}
public NodeTestContext nodeTest() {
return getRuleContext(NodeTestContext.class,0);
}
public List predicate() {
return getRuleContexts(PredicateContext.class);
}
public PredicateContext predicate(int i) {
return getRuleContext(PredicateContext.class,i);
}
public AbbreviatedStepContext abbreviatedStep() {
return getRuleContext(AbbreviatedStepContext.class,0);
}
public StepContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_step; }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).enterStep(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).exitStep(this);
}
@Override
public T accept(ParseTreeVisitor visitor) {
if ( visitor instanceof XpathVisitor ) return ((XpathVisitor)visitor).visitStep(this);
else return visitor.visitChildren(this);
}
}
public final StepContext step() throws RecognitionException {
StepContext _localctx = new StepContext(_ctx, getState());
enterRule(_localctx, 8, RULE_step);
int _la;
try {
setState(80);
_errHandler.sync(this);
switch (_input.LA(1)) {
case T__0:
case NodeType:
case AxisName:
case MUL:
case AT:
case NCName:
enterOuterAlt(_localctx, 1);
{
setState(71);
axisSpecifier();
setState(72);
nodeTest();
setState(76);
_errHandler.sync(this);
_la = _input.LA(1);
while (_la==LBRAC) {
{
{
setState(73);
predicate();
}
}
setState(78);
_errHandler.sync(this);
_la = _input.LA(1);
}
}
break;
case DOT:
case DOTDOT:
enterOuterAlt(_localctx, 2);
{
setState(79);
abbreviatedStep();
}
break;
default:
throw new NoViableAltException(this);
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class AxisSpecifierContext extends ParserRuleContext {
public TerminalNode AxisName() { return getToken(XpathParser.AxisName, 0); }
public AxisSpecifierContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_axisSpecifier; }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).enterAxisSpecifier(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).exitAxisSpecifier(this);
}
@Override
public T accept(ParseTreeVisitor visitor) {
if ( visitor instanceof XpathVisitor ) return ((XpathVisitor)visitor).visitAxisSpecifier(this);
else return visitor.visitChildren(this);
}
}
public final AxisSpecifierContext axisSpecifier() throws RecognitionException {
AxisSpecifierContext _localctx = new AxisSpecifierContext(_ctx, getState());
enterRule(_localctx, 10, RULE_axisSpecifier);
int _la;
try {
setState(87);
_errHandler.sync(this);
switch ( getInterpreter().adaptivePredict(_input,5,_ctx) ) {
case 1:
enterOuterAlt(_localctx, 1);
{
setState(82);
match(AxisName);
setState(83);
match(CC);
}
break;
case 2:
enterOuterAlt(_localctx, 2);
{
setState(85);
_errHandler.sync(this);
_la = _input.LA(1);
if (_la==AT) {
{
setState(84);
match(AT);
}
}
}
break;
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class NodeTestContext extends ParserRuleContext {
public NameTestContext nameTest() {
return getRuleContext(NameTestContext.class,0);
}
public TerminalNode NodeType() { return getToken(XpathParser.NodeType, 0); }
public TerminalNode Literal() { return getToken(XpathParser.Literal, 0); }
public NodeTestContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_nodeTest; }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).enterNodeTest(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).exitNodeTest(this);
}
@Override
public T accept(ParseTreeVisitor visitor) {
if ( visitor instanceof XpathVisitor ) return ((XpathVisitor)visitor).visitNodeTest(this);
else return visitor.visitChildren(this);
}
}
public final NodeTestContext nodeTest() throws RecognitionException {
NodeTestContext _localctx = new NodeTestContext(_ctx, getState());
enterRule(_localctx, 12, RULE_nodeTest);
try {
setState(97);
_errHandler.sync(this);
switch (_input.LA(1)) {
case AxisName:
case MUL:
case NCName:
enterOuterAlt(_localctx, 1);
{
setState(89);
nameTest();
}
break;
case NodeType:
enterOuterAlt(_localctx, 2);
{
setState(90);
match(NodeType);
setState(91);
match(LPAR);
setState(92);
match(RPAR);
}
break;
case T__0:
enterOuterAlt(_localctx, 3);
{
setState(93);
match(T__0);
setState(94);
match(LPAR);
setState(95);
match(Literal);
setState(96);
match(RPAR);
}
break;
default:
throw new NoViableAltException(this);
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class PredicateContext extends ParserRuleContext {
public ExprContext expr() {
return getRuleContext(ExprContext.class,0);
}
public PredicateContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_predicate; }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).enterPredicate(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).exitPredicate(this);
}
@Override
public T accept(ParseTreeVisitor visitor) {
if ( visitor instanceof XpathVisitor ) return ((XpathVisitor)visitor).visitPredicate(this);
else return visitor.visitChildren(this);
}
}
public final PredicateContext predicate() throws RecognitionException {
PredicateContext _localctx = new PredicateContext(_ctx, getState());
enterRule(_localctx, 14, RULE_predicate);
try {
enterOuterAlt(_localctx, 1);
{
setState(99);
match(LBRAC);
setState(100);
expr();
setState(101);
match(RBRAC);
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class AbbreviatedStepContext extends ParserRuleContext {
public AbbreviatedStepContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_abbreviatedStep; }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).enterAbbreviatedStep(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).exitAbbreviatedStep(this);
}
@Override
public T accept(ParseTreeVisitor visitor) {
if ( visitor instanceof XpathVisitor ) return ((XpathVisitor)visitor).visitAbbreviatedStep(this);
else return visitor.visitChildren(this);
}
}
public final AbbreviatedStepContext abbreviatedStep() throws RecognitionException {
AbbreviatedStepContext _localctx = new AbbreviatedStepContext(_ctx, getState());
enterRule(_localctx, 16, RULE_abbreviatedStep);
int _la;
try {
enterOuterAlt(_localctx, 1);
{
setState(103);
_la = _input.LA(1);
if ( !(_la==DOT || _la==DOTDOT) ) {
_errHandler.recoverInline(this);
}
else {
if ( _input.LA(1)==Token.EOF ) matchedEOF = true;
_errHandler.reportMatch(this);
consume();
}
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class ExprContext extends ParserRuleContext {
public OrExprContext orExpr() {
return getRuleContext(OrExprContext.class,0);
}
public ExprContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_expr; }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).enterExpr(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).exitExpr(this);
}
@Override
public T accept(ParseTreeVisitor visitor) {
if ( visitor instanceof XpathVisitor ) return ((XpathVisitor)visitor).visitExpr(this);
else return visitor.visitChildren(this);
}
}
public final ExprContext expr() throws RecognitionException {
ExprContext _localctx = new ExprContext(_ctx, getState());
enterRule(_localctx, 18, RULE_expr);
try {
enterOuterAlt(_localctx, 1);
{
setState(105);
orExpr();
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class PrimaryExprContext extends ParserRuleContext {
public VariableReferenceContext variableReference() {
return getRuleContext(VariableReferenceContext.class,0);
}
public ExprContext expr() {
return getRuleContext(ExprContext.class,0);
}
public TerminalNode Literal() { return getToken(XpathParser.Literal, 0); }
public TerminalNode Number() { return getToken(XpathParser.Number, 0); }
public FunctionCallContext functionCall() {
return getRuleContext(FunctionCallContext.class,0);
}
public PrimaryExprContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_primaryExpr; }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).enterPrimaryExpr(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).exitPrimaryExpr(this);
}
@Override
public T accept(ParseTreeVisitor visitor) {
if ( visitor instanceof XpathVisitor ) return ((XpathVisitor)visitor).visitPrimaryExpr(this);
else return visitor.visitChildren(this);
}
}
public final PrimaryExprContext primaryExpr() throws RecognitionException {
PrimaryExprContext _localctx = new PrimaryExprContext(_ctx, getState());
enterRule(_localctx, 20, RULE_primaryExpr);
try {
setState(115);
_errHandler.sync(this);
switch (_input.LA(1)) {
case T__3:
enterOuterAlt(_localctx, 1);
{
setState(107);
variableReference();
}
break;
case LPAR:
enterOuterAlt(_localctx, 2);
{
setState(108);
match(LPAR);
setState(109);
expr();
setState(110);
match(RPAR);
}
break;
case Literal:
enterOuterAlt(_localctx, 3);
{
setState(112);
match(Literal);
}
break;
case Number:
enterOuterAlt(_localctx, 4);
{
setState(113);
match(Number);
}
break;
case AxisName:
case NCName:
enterOuterAlt(_localctx, 5);
{
setState(114);
functionCall();
}
break;
default:
throw new NoViableAltException(this);
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class FunctionCallContext extends ParserRuleContext {
public FunctionNameContext functionName() {
return getRuleContext(FunctionNameContext.class,0);
}
public List expr() {
return getRuleContexts(ExprContext.class);
}
public ExprContext expr(int i) {
return getRuleContext(ExprContext.class,i);
}
public FunctionCallContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_functionCall; }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).enterFunctionCall(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).exitFunctionCall(this);
}
@Override
public T accept(ParseTreeVisitor visitor) {
if ( visitor instanceof XpathVisitor ) return ((XpathVisitor)visitor).visitFunctionCall(this);
else return visitor.visitChildren(this);
}
}
public final FunctionCallContext functionCall() throws RecognitionException {
FunctionCallContext _localctx = new FunctionCallContext(_ctx, getState());
enterRule(_localctx, 22, RULE_functionCall);
int _la;
try {
enterOuterAlt(_localctx, 1);
{
setState(117);
functionName();
setState(118);
match(LPAR);
setState(127);
_errHandler.sync(this);
_la = _input.LA(1);
if ((((_la) & ~0x3f) == 0 && ((1L << _la) & ((1L << T__0) | (1L << T__3) | (1L << NodeType) | (1L << Number) | (1L << AxisName) | (1L << PATHSEP) | (1L << ABRPATH) | (1L << LPAR) | (1L << MINUS) | (1L << DOT) | (1L << MUL) | (1L << DOTDOT) | (1L << AT) | (1L << Literal) | (1L << NCName))) != 0)) {
{
setState(119);
expr();
setState(124);
_errHandler.sync(this);
_la = _input.LA(1);
while (_la==COMMA) {
{
{
setState(120);
match(COMMA);
setState(121);
expr();
}
}
setState(126);
_errHandler.sync(this);
_la = _input.LA(1);
}
}
}
setState(129);
match(RPAR);
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class UnionExprNoRootContext extends ParserRuleContext {
public Token op;
public PathExprNoRootContext pathExprNoRoot() {
return getRuleContext(PathExprNoRootContext.class,0);
}
public UnionExprNoRootContext unionExprNoRoot() {
return getRuleContext(UnionExprNoRootContext.class,0);
}
public TerminalNode PIPE() { return getToken(XpathParser.PIPE, 0); }
public TerminalNode PATHSEP() { return getToken(XpathParser.PATHSEP, 0); }
public UnionExprNoRootContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_unionExprNoRoot; }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).enterUnionExprNoRoot(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).exitUnionExprNoRoot(this);
}
@Override
public T accept(ParseTreeVisitor visitor) {
if ( visitor instanceof XpathVisitor ) return ((XpathVisitor)visitor).visitUnionExprNoRoot(this);
else return visitor.visitChildren(this);
}
}
public final UnionExprNoRootContext unionExprNoRoot() throws RecognitionException {
UnionExprNoRootContext _localctx = new UnionExprNoRootContext(_ctx, getState());
enterRule(_localctx, 24, RULE_unionExprNoRoot);
int _la;
try {
setState(139);
_errHandler.sync(this);
switch ( getInterpreter().adaptivePredict(_input,11,_ctx) ) {
case 1:
enterOuterAlt(_localctx, 1);
{
setState(131);
pathExprNoRoot();
setState(134);
_errHandler.sync(this);
_la = _input.LA(1);
if (_la==PIPE) {
{
setState(132);
((UnionExprNoRootContext)_localctx).op = match(PIPE);
setState(133);
unionExprNoRoot();
}
}
}
break;
case 2:
enterOuterAlt(_localctx, 2);
{
setState(136);
match(PATHSEP);
setState(137);
match(PIPE);
setState(138);
unionExprNoRoot();
}
break;
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class PathExprNoRootContext extends ParserRuleContext {
public Token op;
public LocationPathContext locationPath() {
return getRuleContext(LocationPathContext.class,0);
}
public FilterExprContext filterExpr() {
return getRuleContext(FilterExprContext.class,0);
}
public RelativeLocationPathContext relativeLocationPath() {
return getRuleContext(RelativeLocationPathContext.class,0);
}
public TerminalNode PATHSEP() { return getToken(XpathParser.PATHSEP, 0); }
public TerminalNode ABRPATH() { return getToken(XpathParser.ABRPATH, 0); }
public PathExprNoRootContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_pathExprNoRoot; }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).enterPathExprNoRoot(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).exitPathExprNoRoot(this);
}
@Override
public T accept(ParseTreeVisitor visitor) {
if ( visitor instanceof XpathVisitor ) return ((XpathVisitor)visitor).visitPathExprNoRoot(this);
else return visitor.visitChildren(this);
}
}
public final PathExprNoRootContext pathExprNoRoot() throws RecognitionException {
PathExprNoRootContext _localctx = new PathExprNoRootContext(_ctx, getState());
enterRule(_localctx, 26, RULE_pathExprNoRoot);
int _la;
try {
setState(147);
_errHandler.sync(this);
switch ( getInterpreter().adaptivePredict(_input,13,_ctx) ) {
case 1:
enterOuterAlt(_localctx, 1);
{
setState(141);
locationPath();
}
break;
case 2:
enterOuterAlt(_localctx, 2);
{
setState(142);
filterExpr();
setState(145);
_errHandler.sync(this);
_la = _input.LA(1);
if (_la==PATHSEP || _la==ABRPATH) {
{
setState(143);
((PathExprNoRootContext)_localctx).op = _input.LT(1);
_la = _input.LA(1);
if ( !(_la==PATHSEP || _la==ABRPATH) ) {
((PathExprNoRootContext)_localctx).op = (Token)_errHandler.recoverInline(this);
}
else {
if ( _input.LA(1)==Token.EOF ) matchedEOF = true;
_errHandler.reportMatch(this);
consume();
}
setState(144);
relativeLocationPath();
}
}
}
break;
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class FilterExprContext extends ParserRuleContext {
public PrimaryExprContext primaryExpr() {
return getRuleContext(PrimaryExprContext.class,0);
}
public List predicate() {
return getRuleContexts(PredicateContext.class);
}
public PredicateContext predicate(int i) {
return getRuleContext(PredicateContext.class,i);
}
public FilterExprContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_filterExpr; }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).enterFilterExpr(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).exitFilterExpr(this);
}
@Override
public T accept(ParseTreeVisitor visitor) {
if ( visitor instanceof XpathVisitor ) return ((XpathVisitor)visitor).visitFilterExpr(this);
else return visitor.visitChildren(this);
}
}
public final FilterExprContext filterExpr() throws RecognitionException {
FilterExprContext _localctx = new FilterExprContext(_ctx, getState());
enterRule(_localctx, 28, RULE_filterExpr);
int _la;
try {
enterOuterAlt(_localctx, 1);
{
setState(149);
primaryExpr();
setState(153);
_errHandler.sync(this);
_la = _input.LA(1);
while (_la==LBRAC) {
{
{
setState(150);
predicate();
}
}
setState(155);
_errHandler.sync(this);
_la = _input.LA(1);
}
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class OrExprContext extends ParserRuleContext {
public List andExpr() {
return getRuleContexts(AndExprContext.class);
}
public AndExprContext andExpr(int i) {
return getRuleContext(AndExprContext.class,i);
}
public OrExprContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_orExpr; }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).enterOrExpr(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).exitOrExpr(this);
}
@Override
public T accept(ParseTreeVisitor visitor) {
if ( visitor instanceof XpathVisitor ) return ((XpathVisitor)visitor).visitOrExpr(this);
else return visitor.visitChildren(this);
}
}
public final OrExprContext orExpr() throws RecognitionException {
OrExprContext _localctx = new OrExprContext(_ctx, getState());
enterRule(_localctx, 30, RULE_orExpr);
int _la;
try {
enterOuterAlt(_localctx, 1);
{
setState(156);
andExpr();
setState(161);
_errHandler.sync(this);
_la = _input.LA(1);
while (_la==T__1) {
{
{
setState(157);
match(T__1);
setState(158);
andExpr();
}
}
setState(163);
_errHandler.sync(this);
_la = _input.LA(1);
}
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class AndExprContext extends ParserRuleContext {
public List equalityExpr() {
return getRuleContexts(EqualityExprContext.class);
}
public EqualityExprContext equalityExpr(int i) {
return getRuleContext(EqualityExprContext.class,i);
}
public AndExprContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_andExpr; }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).enterAndExpr(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).exitAndExpr(this);
}
@Override
public T accept(ParseTreeVisitor visitor) {
if ( visitor instanceof XpathVisitor ) return ((XpathVisitor)visitor).visitAndExpr(this);
else return visitor.visitChildren(this);
}
}
public final AndExprContext andExpr() throws RecognitionException {
AndExprContext _localctx = new AndExprContext(_ctx, getState());
enterRule(_localctx, 32, RULE_andExpr);
int _la;
try {
enterOuterAlt(_localctx, 1);
{
setState(164);
equalityExpr();
setState(169);
_errHandler.sync(this);
_la = _input.LA(1);
while (_la==T__2) {
{
{
setState(165);
match(T__2);
setState(166);
equalityExpr();
}
}
setState(171);
_errHandler.sync(this);
_la = _input.LA(1);
}
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class EqualityExprContext extends ParserRuleContext {
public Token op;
public List relationalExpr() {
return getRuleContexts(RelationalExprContext.class);
}
public RelationalExprContext relationalExpr(int i) {
return getRuleContext(RelationalExprContext.class,i);
}
public List EQUALITY() { return getTokens(XpathParser.EQUALITY); }
public TerminalNode EQUALITY(int i) {
return getToken(XpathParser.EQUALITY, i);
}
public List INEQUALITY() { return getTokens(XpathParser.INEQUALITY); }
public TerminalNode INEQUALITY(int i) {
return getToken(XpathParser.INEQUALITY, i);
}
public EqualityExprContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_equalityExpr; }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).enterEqualityExpr(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).exitEqualityExpr(this);
}
@Override
public T accept(ParseTreeVisitor visitor) {
if ( visitor instanceof XpathVisitor ) return ((XpathVisitor)visitor).visitEqualityExpr(this);
else return visitor.visitChildren(this);
}
}
public final EqualityExprContext equalityExpr() throws RecognitionException {
EqualityExprContext _localctx = new EqualityExprContext(_ctx, getState());
enterRule(_localctx, 34, RULE_equalityExpr);
int _la;
try {
enterOuterAlt(_localctx, 1);
{
setState(172);
relationalExpr();
setState(177);
_errHandler.sync(this);
_la = _input.LA(1);
while (_la==EQUALITY || _la==INEQUALITY) {
{
{
setState(173);
((EqualityExprContext)_localctx).op = _input.LT(1);
_la = _input.LA(1);
if ( !(_la==EQUALITY || _la==INEQUALITY) ) {
((EqualityExprContext)_localctx).op = (Token)_errHandler.recoverInline(this);
}
else {
if ( _input.LA(1)==Token.EOF ) matchedEOF = true;
_errHandler.reportMatch(this);
consume();
}
setState(174);
relationalExpr();
}
}
setState(179);
_errHandler.sync(this);
_la = _input.LA(1);
}
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class RelationalExprContext extends ParserRuleContext {
public Token op;
public List additiveExpr() {
return getRuleContexts(AdditiveExprContext.class);
}
public AdditiveExprContext additiveExpr(int i) {
return getRuleContext(AdditiveExprContext.class,i);
}
public List LESS() { return getTokens(XpathParser.LESS); }
public TerminalNode LESS(int i) {
return getToken(XpathParser.LESS, i);
}
public List MORE_() { return getTokens(XpathParser.MORE_); }
public TerminalNode MORE_(int i) {
return getToken(XpathParser.MORE_, i);
}
public List GE() { return getTokens(XpathParser.GE); }
public TerminalNode GE(int i) {
return getToken(XpathParser.GE, i);
}
public List START_WITH() { return getTokens(XpathParser.START_WITH); }
public TerminalNode START_WITH(int i) {
return getToken(XpathParser.START_WITH, i);
}
public List END_WITH() { return getTokens(XpathParser.END_WITH); }
public TerminalNode END_WITH(int i) {
return getToken(XpathParser.END_WITH, i);
}
public List CONTAIN_WITH() { return getTokens(XpathParser.CONTAIN_WITH); }
public TerminalNode CONTAIN_WITH(int i) {
return getToken(XpathParser.CONTAIN_WITH, i);
}
public List REGEXP_WITH() { return getTokens(XpathParser.REGEXP_WITH); }
public TerminalNode REGEXP_WITH(int i) {
return getToken(XpathParser.REGEXP_WITH, i);
}
public List REGEXP_NOT_WITH() { return getTokens(XpathParser.REGEXP_NOT_WITH); }
public TerminalNode REGEXP_NOT_WITH(int i) {
return getToken(XpathParser.REGEXP_NOT_WITH, i);
}
public RelationalExprContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_relationalExpr; }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).enterRelationalExpr(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).exitRelationalExpr(this);
}
@Override
public T accept(ParseTreeVisitor visitor) {
if ( visitor instanceof XpathVisitor ) return ((XpathVisitor)visitor).visitRelationalExpr(this);
else return visitor.visitChildren(this);
}
}
public final RelationalExprContext relationalExpr() throws RecognitionException {
RelationalExprContext _localctx = new RelationalExprContext(_ctx, getState());
enterRule(_localctx, 36, RULE_relationalExpr);
int _la;
try {
enterOuterAlt(_localctx, 1);
{
setState(180);
additiveExpr();
setState(185);
_errHandler.sync(this);
_la = _input.LA(1);
while ((((_la) & ~0x3f) == 0 && ((1L << _la) & ((1L << LESS) | (1L << MORE_) | (1L << GE) | (1L << START_WITH) | (1L << END_WITH) | (1L << CONTAIN_WITH) | (1L << REGEXP_WITH) | (1L << REGEXP_NOT_WITH))) != 0)) {
{
{
setState(181);
((RelationalExprContext)_localctx).op = _input.LT(1);
_la = _input.LA(1);
if ( !((((_la) & ~0x3f) == 0 && ((1L << _la) & ((1L << LESS) | (1L << MORE_) | (1L << GE) | (1L << START_WITH) | (1L << END_WITH) | (1L << CONTAIN_WITH) | (1L << REGEXP_WITH) | (1L << REGEXP_NOT_WITH))) != 0)) ) {
((RelationalExprContext)_localctx).op = (Token)_errHandler.recoverInline(this);
}
else {
if ( _input.LA(1)==Token.EOF ) matchedEOF = true;
_errHandler.reportMatch(this);
consume();
}
setState(182);
additiveExpr();
}
}
setState(187);
_errHandler.sync(this);
_la = _input.LA(1);
}
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class AdditiveExprContext extends ParserRuleContext {
public Token op;
public List multiplicativeExpr() {
return getRuleContexts(MultiplicativeExprContext.class);
}
public MultiplicativeExprContext multiplicativeExpr(int i) {
return getRuleContext(MultiplicativeExprContext.class,i);
}
public List PLUS() { return getTokens(XpathParser.PLUS); }
public TerminalNode PLUS(int i) {
return getToken(XpathParser.PLUS, i);
}
public List MINUS() { return getTokens(XpathParser.MINUS); }
public TerminalNode MINUS(int i) {
return getToken(XpathParser.MINUS, i);
}
public AdditiveExprContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_additiveExpr; }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).enterAdditiveExpr(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).exitAdditiveExpr(this);
}
@Override
public T accept(ParseTreeVisitor visitor) {
if ( visitor instanceof XpathVisitor ) return ((XpathVisitor)visitor).visitAdditiveExpr(this);
else return visitor.visitChildren(this);
}
}
public final AdditiveExprContext additiveExpr() throws RecognitionException {
AdditiveExprContext _localctx = new AdditiveExprContext(_ctx, getState());
enterRule(_localctx, 38, RULE_additiveExpr);
int _la;
try {
enterOuterAlt(_localctx, 1);
{
setState(188);
multiplicativeExpr();
setState(193);
_errHandler.sync(this);
_la = _input.LA(1);
while (_la==MINUS || _la==PLUS) {
{
{
setState(189);
((AdditiveExprContext)_localctx).op = _input.LT(1);
_la = _input.LA(1);
if ( !(_la==MINUS || _la==PLUS) ) {
((AdditiveExprContext)_localctx).op = (Token)_errHandler.recoverInline(this);
}
else {
if ( _input.LA(1)==Token.EOF ) matchedEOF = true;
_errHandler.reportMatch(this);
consume();
}
setState(190);
multiplicativeExpr();
}
}
setState(195);
_errHandler.sync(this);
_la = _input.LA(1);
}
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class MultiplicativeExprContext extends ParserRuleContext {
public Token op;
public UnaryExprNoRootContext unaryExprNoRoot() {
return getRuleContext(UnaryExprNoRootContext.class,0);
}
public MultiplicativeExprContext multiplicativeExpr() {
return getRuleContext(MultiplicativeExprContext.class,0);
}
public TerminalNode MUL() { return getToken(XpathParser.MUL, 0); }
public TerminalNode DIVISION() { return getToken(XpathParser.DIVISION, 0); }
public TerminalNode MODULO() { return getToken(XpathParser.MODULO, 0); }
public MultiplicativeExprContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_multiplicativeExpr; }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).enterMultiplicativeExpr(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).exitMultiplicativeExpr(this);
}
@Override
public T accept(ParseTreeVisitor visitor) {
if ( visitor instanceof XpathVisitor ) return ((XpathVisitor)visitor).visitMultiplicativeExpr(this);
else return visitor.visitChildren(this);
}
}
public final MultiplicativeExprContext multiplicativeExpr() throws RecognitionException {
MultiplicativeExprContext _localctx = new MultiplicativeExprContext(_ctx, getState());
enterRule(_localctx, 40, RULE_multiplicativeExpr);
int _la;
try {
enterOuterAlt(_localctx, 1);
{
setState(196);
unaryExprNoRoot();
setState(199);
_errHandler.sync(this);
_la = _input.LA(1);
if ((((_la) & ~0x3f) == 0 && ((1L << _la) & ((1L << MUL) | (1L << DIVISION) | (1L << MODULO))) != 0)) {
{
setState(197);
((MultiplicativeExprContext)_localctx).op = _input.LT(1);
_la = _input.LA(1);
if ( !((((_la) & ~0x3f) == 0 && ((1L << _la) & ((1L << MUL) | (1L << DIVISION) | (1L << MODULO))) != 0)) ) {
((MultiplicativeExprContext)_localctx).op = (Token)_errHandler.recoverInline(this);
}
else {
if ( _input.LA(1)==Token.EOF ) matchedEOF = true;
_errHandler.reportMatch(this);
consume();
}
setState(198);
multiplicativeExpr();
}
}
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class UnaryExprNoRootContext extends ParserRuleContext {
public Token sign;
public UnionExprNoRootContext unionExprNoRoot() {
return getRuleContext(UnionExprNoRootContext.class,0);
}
public TerminalNode MINUS() { return getToken(XpathParser.MINUS, 0); }
public UnaryExprNoRootContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_unaryExprNoRoot; }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).enterUnaryExprNoRoot(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).exitUnaryExprNoRoot(this);
}
@Override
public T accept(ParseTreeVisitor visitor) {
if ( visitor instanceof XpathVisitor ) return ((XpathVisitor)visitor).visitUnaryExprNoRoot(this);
else return visitor.visitChildren(this);
}
}
public final UnaryExprNoRootContext unaryExprNoRoot() throws RecognitionException {
UnaryExprNoRootContext _localctx = new UnaryExprNoRootContext(_ctx, getState());
enterRule(_localctx, 42, RULE_unaryExprNoRoot);
int _la;
try {
enterOuterAlt(_localctx, 1);
{
setState(202);
_errHandler.sync(this);
_la = _input.LA(1);
if (_la==MINUS) {
{
setState(201);
((UnaryExprNoRootContext)_localctx).sign = match(MINUS);
}
}
setState(204);
unionExprNoRoot();
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class QNameContext extends ParserRuleContext {
public List nCName() {
return getRuleContexts(NCNameContext.class);
}
public NCNameContext nCName(int i) {
return getRuleContext(NCNameContext.class,i);
}
public QNameContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_qName; }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).enterQName(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).exitQName(this);
}
@Override
public T accept(ParseTreeVisitor visitor) {
if ( visitor instanceof XpathVisitor ) return ((XpathVisitor)visitor).visitQName(this);
else return visitor.visitChildren(this);
}
}
public final QNameContext qName() throws RecognitionException {
QNameContext _localctx = new QNameContext(_ctx, getState());
enterRule(_localctx, 44, RULE_qName);
int _la;
try {
enterOuterAlt(_localctx, 1);
{
setState(206);
nCName();
setState(209);
_errHandler.sync(this);
_la = _input.LA(1);
if (_la==COLON) {
{
setState(207);
match(COLON);
setState(208);
nCName();
}
}
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class FunctionNameContext extends ParserRuleContext {
public QNameContext qName() {
return getRuleContext(QNameContext.class,0);
}
public FunctionNameContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_functionName; }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).enterFunctionName(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).exitFunctionName(this);
}
@Override
public T accept(ParseTreeVisitor visitor) {
if ( visitor instanceof XpathVisitor ) return ((XpathVisitor)visitor).visitFunctionName(this);
else return visitor.visitChildren(this);
}
}
public final FunctionNameContext functionName() throws RecognitionException {
FunctionNameContext _localctx = new FunctionNameContext(_ctx, getState());
enterRule(_localctx, 46, RULE_functionName);
try {
enterOuterAlt(_localctx, 1);
{
setState(211);
qName();
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class VariableReferenceContext extends ParserRuleContext {
public QNameContext qName() {
return getRuleContext(QNameContext.class,0);
}
public VariableReferenceContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_variableReference; }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).enterVariableReference(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).exitVariableReference(this);
}
@Override
public T accept(ParseTreeVisitor visitor) {
if ( visitor instanceof XpathVisitor ) return ((XpathVisitor)visitor).visitVariableReference(this);
else return visitor.visitChildren(this);
}
}
public final VariableReferenceContext variableReference() throws RecognitionException {
VariableReferenceContext _localctx = new VariableReferenceContext(_ctx, getState());
enterRule(_localctx, 48, RULE_variableReference);
try {
enterOuterAlt(_localctx, 1);
{
setState(213);
match(T__3);
setState(214);
qName();
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class NameTestContext extends ParserRuleContext {
public NCNameContext nCName() {
return getRuleContext(NCNameContext.class,0);
}
public QNameContext qName() {
return getRuleContext(QNameContext.class,0);
}
public NameTestContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_nameTest; }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).enterNameTest(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).exitNameTest(this);
}
@Override
public T accept(ParseTreeVisitor visitor) {
if ( visitor instanceof XpathVisitor ) return ((XpathVisitor)visitor).visitNameTest(this);
else return visitor.visitChildren(this);
}
}
public final NameTestContext nameTest() throws RecognitionException {
NameTestContext _localctx = new NameTestContext(_ctx, getState());
enterRule(_localctx, 50, RULE_nameTest);
try {
setState(222);
_errHandler.sync(this);
switch ( getInterpreter().adaptivePredict(_input,23,_ctx) ) {
case 1:
enterOuterAlt(_localctx, 1);
{
setState(216);
match(MUL);
}
break;
case 2:
enterOuterAlt(_localctx, 2);
{
setState(217);
nCName();
setState(218);
match(COLON);
setState(219);
match(MUL);
}
break;
case 3:
enterOuterAlt(_localctx, 3);
{
setState(221);
qName();
}
break;
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class NCNameContext extends ParserRuleContext {
public TerminalNode NCName() { return getToken(XpathParser.NCName, 0); }
public TerminalNode AxisName() { return getToken(XpathParser.AxisName, 0); }
public NCNameContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_nCName; }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).enterNCName(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof XpathListener ) ((XpathListener)listener).exitNCName(this);
}
@Override
public T accept(ParseTreeVisitor visitor) {
if ( visitor instanceof XpathVisitor ) return ((XpathVisitor)visitor).visitNCName(this);
else return visitor.visitChildren(this);
}
}
public final NCNameContext nCName() throws RecognitionException {
NCNameContext _localctx = new NCNameContext(_ctx, getState());
enterRule(_localctx, 52, RULE_nCName);
int _la;
try {
enterOuterAlt(_localctx, 1);
{
setState(224);
_la = _input.LA(1);
if ( !(_la==AxisName || _la==NCName) ) {
_errHandler.recoverInline(this);
}
else {
if ( _input.LA(1)==Token.EOF ) matchedEOF = true;
_errHandler.reportMatch(this);
consume();
}
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static final String _serializedATN =
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