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org.jgrapht.nio.csv.CSVParser Maven / Gradle / Ivy
// Generated from org/jgrapht/nio/csv/CSV.g4 by ANTLR 4.7
package org.jgrapht.nio.csv;
import org.antlr.v4.runtime.atn.*;
import org.antlr.v4.runtime.dfa.DFA;
import org.antlr.v4.runtime.*;
import org.antlr.v4.runtime.misc.*;
import org.antlr.v4.runtime.tree.*;
import java.util.List;
import java.util.Iterator;
import java.util.ArrayList;
@SuppressWarnings({"all", "warnings", "unchecked", "unused", "cast"})
class CSVParser 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, SEPARATOR=3, TEXT=4, STRING=5;
public static final int
RULE_file = 0, RULE_header = 1, RULE_record = 2, RULE_field = 3;
public static final String[] ruleNames = {
"file", "header", "record", "field"
};
private static final String[] _LITERAL_NAMES = {
null, "'\r'", "'\n'"
};
private static final String[] _SYMBOLIC_NAMES = {
null, null, null, "SEPARATOR", "TEXT", "STRING"
};
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 "CSV.g4"; }
@Override
public String[] getRuleNames() { return ruleNames; }
@Override
public String getSerializedATN() { return _serializedATN; }
@Override
public ATN getATN() { return _ATN; }
public CSVParser(TokenStream input) {
super(input);
_interp = new ParserATNSimulator(this,_ATN,_decisionToDFA,_sharedContextCache);
}
public static class FileContext extends ParserRuleContext {
public HeaderContext header() {
return getRuleContext(HeaderContext.class,0);
}
public List record() {
return getRuleContexts(RecordContext.class);
}
public RecordContext record(int i) {
return getRuleContext(RecordContext.class,i);
}
public FileContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_file; }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof CSVListener ) ((CSVListener)listener).enterFile(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof CSVListener ) ((CSVListener)listener).exitFile(this);
}
}
public final FileContext file() throws RecognitionException {
FileContext _localctx = new FileContext(_ctx, getState());
enterRule(_localctx, 0, RULE_file);
int _la;
try {
enterOuterAlt(_localctx, 1);
{
setState(8);
header();
setState(10);
_errHandler.sync(this);
_la = _input.LA(1);
do {
{
{
setState(9);
record();
}
}
setState(12);
_errHandler.sync(this);
_la = _input.LA(1);
} while ( (((_la) & ~0x3f) == 0 && ((1L << _la) & ((1L << T__0) | (1L << T__1) | (1L << SEPARATOR) | (1L << TEXT) | (1L << STRING))) != 0) );
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class HeaderContext extends ParserRuleContext {
public RecordContext record() {
return getRuleContext(RecordContext.class,0);
}
public HeaderContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_header; }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof CSVListener ) ((CSVListener)listener).enterHeader(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof CSVListener ) ((CSVListener)listener).exitHeader(this);
}
}
public final HeaderContext header() throws RecognitionException {
HeaderContext _localctx = new HeaderContext(_ctx, getState());
enterRule(_localctx, 2, RULE_header);
try {
enterOuterAlt(_localctx, 1);
{
setState(14);
record();
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class RecordContext extends ParserRuleContext {
public List field() {
return getRuleContexts(FieldContext.class);
}
public FieldContext field(int i) {
return getRuleContext(FieldContext.class,i);
}
public List SEPARATOR() { return getTokens(CSVParser.SEPARATOR); }
public TerminalNode SEPARATOR(int i) {
return getToken(CSVParser.SEPARATOR, i);
}
public RecordContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_record; }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof CSVListener ) ((CSVListener)listener).enterRecord(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof CSVListener ) ((CSVListener)listener).exitRecord(this);
}
}
public final RecordContext record() throws RecognitionException {
RecordContext _localctx = new RecordContext(_ctx, getState());
enterRule(_localctx, 4, RULE_record);
int _la;
try {
enterOuterAlt(_localctx, 1);
{
setState(16);
field();
setState(21);
_errHandler.sync(this);
_la = _input.LA(1);
while (_la==SEPARATOR) {
{
{
setState(17);
match(SEPARATOR);
setState(18);
field();
}
}
setState(23);
_errHandler.sync(this);
_la = _input.LA(1);
}
setState(25);
_errHandler.sync(this);
_la = _input.LA(1);
if (_la==T__0) {
{
setState(24);
match(T__0);
}
}
setState(27);
match(T__1);
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class FieldContext extends ParserRuleContext {
public FieldContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_field; }
public FieldContext() { }
public void copyFrom(FieldContext ctx) {
super.copyFrom(ctx);
}
}
public static class EmptyFieldContext extends FieldContext {
public EmptyFieldContext(FieldContext ctx) { copyFrom(ctx); }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof CSVListener ) ((CSVListener)listener).enterEmptyField(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof CSVListener ) ((CSVListener)listener).exitEmptyField(this);
}
}
public static class StringFieldContext extends FieldContext {
public TerminalNode STRING() { return getToken(CSVParser.STRING, 0); }
public StringFieldContext(FieldContext ctx) { copyFrom(ctx); }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof CSVListener ) ((CSVListener)listener).enterStringField(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof CSVListener ) ((CSVListener)listener).exitStringField(this);
}
}
public static class TextFieldContext extends FieldContext {
public TerminalNode TEXT() { return getToken(CSVParser.TEXT, 0); }
public TextFieldContext(FieldContext ctx) { copyFrom(ctx); }
@Override
public void enterRule(ParseTreeListener listener) {
if ( listener instanceof CSVListener ) ((CSVListener)listener).enterTextField(this);
}
@Override
public void exitRule(ParseTreeListener listener) {
if ( listener instanceof CSVListener ) ((CSVListener)listener).exitTextField(this);
}
}
public final FieldContext field() throws RecognitionException {
FieldContext _localctx = new FieldContext(_ctx, getState());
enterRule(_localctx, 6, RULE_field);
try {
setState(32);
_errHandler.sync(this);
switch (_input.LA(1)) {
case TEXT:
_localctx = new TextFieldContext(_localctx);
enterOuterAlt(_localctx, 1);
{
setState(29);
match(TEXT);
}
break;
case STRING:
_localctx = new StringFieldContext(_localctx);
enterOuterAlt(_localctx, 2);
{
setState(30);
match(STRING);
}
break;
case T__0:
case T__1:
case SEPARATOR:
_localctx = new EmptyFieldContext(_localctx);
enterOuterAlt(_localctx, 3);
{
}
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 final String _serializedATN =
"\3\u608b\ua72a\u8133\ub9ed\u417c\u3be7\u7786\u5964\3\7%\4\2\t\2\4\3\t"+
"\3\4\4\t\4\4\5\t\5\3\2\3\2\6\2\r\n\2\r\2\16\2\16\3\3\3\3\3\4\3\4\3\4\7"+
"\4\26\n\4\f\4\16\4\31\13\4\3\4\5\4\34\n\4\3\4\3\4\3\5\3\5\3\5\5\5#\n\5"+
"\3\5\2\2\6\2\4\6\b\2\2\2%\2\n\3\2\2\2\4\20\3\2\2\2\6\22\3\2\2\2\b\"\3"+
"\2\2\2\n\f\5\4\3\2\13\r\5\6\4\2\f\13\3\2\2\2\r\16\3\2\2\2\16\f\3\2\2\2"+
"\16\17\3\2\2\2\17\3\3\2\2\2\20\21\5\6\4\2\21\5\3\2\2\2\22\27\5\b\5\2\23"+
"\24\7\5\2\2\24\26\5\b\5\2\25\23\3\2\2\2\26\31\3\2\2\2\27\25\3\2\2\2\27"+
"\30\3\2\2\2\30\33\3\2\2\2\31\27\3\2\2\2\32\34\7\3\2\2\33\32\3\2\2\2\33"+
"\34\3\2\2\2\34\35\3\2\2\2\35\36\7\4\2\2\36\7\3\2\2\2\37#\7\6\2\2 #\7\7"+
"\2\2!#\3\2\2\2\"\37\3\2\2\2\" \3\2\2\2\"!\3\2\2\2#\t\3\2\2\2\6\16\27\33"+
"\"";
public static final ATN _ATN =
new ATNDeserializer().deserialize(_serializedATN.toCharArray());
static {
_decisionToDFA = new DFA[_ATN.getNumberOfDecisions()];
for (int i = 0; i < _ATN.getNumberOfDecisions(); i++) {
_decisionToDFA[i] = new DFA(_ATN.getDecisionState(i), i);
}
}
}
