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ANTLR grammar and Java logic used to traverse the generated abstract syntax trees related to Arden-syntax Medical Logic Modules (MLMs)
// Generated from MLM.g4 by ANTLR 4.1
package edu.uvm.ccts.arden.mlm.antlr;
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"})
public class MLMParser extends Parser {
protected static final DFA[] _decisionToDFA;
protected static final PredictionContextCache _sharedContextCache =
new PredictionContextCache();
public static final int
T__0=1, CategoryID=2, SlotID=3, Data=4, WS=5;
public static final String[] tokenNames = {
"", "'end:'", "CategoryID", "SlotID", "Data", "WS"
};
public static final int
RULE_init = 0, RULE_category = 1, RULE_slot = 2;
public static final String[] ruleNames = {
"init", "category", "slot"
};
@Override
public String getGrammarFileName() { return "MLM.g4"; }
@Override
public String[] getTokenNames() { return tokenNames; }
@Override
public String[] getRuleNames() { return ruleNames; }
@Override
public ATN getATN() { return _ATN; }
public MLMParser(TokenStream input) {
super(input);
_interp = new ParserATNSimulator(this,_ATN,_decisionToDFA,_sharedContextCache);
}
public static class InitContext extends ParserRuleContext {
public List category() {
return getRuleContexts(CategoryContext.class);
}
public TerminalNode EOF() { return getToken(MLMParser.EOF, 0); }
public CategoryContext category(int i) {
return getRuleContext(CategoryContext.class,i);
}
public InitContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_init; }
@Override
public T accept(ParseTreeVisitor visitor) {
if ( visitor instanceof MLMVisitor ) return ((MLMVisitor)visitor).visitInit(this);
else return visitor.visitChildren(this);
}
}
public final InitContext init() throws RecognitionException {
InitContext _localctx = new InitContext(_ctx, getState());
enterRule(_localctx, 0, RULE_init);
int _la;
try {
enterOuterAlt(_localctx, 1);
{
setState(7);
_errHandler.sync(this);
_la = _input.LA(1);
do {
{
{
setState(6); category();
}
}
setState(9);
_errHandler.sync(this);
_la = _input.LA(1);
} while ( _la==CategoryID );
setState(11); match(1);
setState(12); match(EOF);
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class CategoryContext extends ParserRuleContext {
public List slot() {
return getRuleContexts(SlotContext.class);
}
public SlotContext slot(int i) {
return getRuleContext(SlotContext.class,i);
}
public TerminalNode CategoryID() { return getToken(MLMParser.CategoryID, 0); }
public CategoryContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_category; }
@Override
public T accept(ParseTreeVisitor visitor) {
if ( visitor instanceof MLMVisitor ) return ((MLMVisitor)visitor).visitCategory(this);
else return visitor.visitChildren(this);
}
}
public final CategoryContext category() throws RecognitionException {
CategoryContext _localctx = new CategoryContext(_ctx, getState());
enterRule(_localctx, 2, RULE_category);
int _la;
try {
enterOuterAlt(_localctx, 1);
{
setState(14); match(CategoryID);
setState(16);
_errHandler.sync(this);
_la = _input.LA(1);
do {
{
{
setState(15); slot();
}
}
setState(18);
_errHandler.sync(this);
_la = _input.LA(1);
} while ( _la==SlotID );
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class SlotContext extends ParserRuleContext {
public TerminalNode SlotID() { return getToken(MLMParser.SlotID, 0); }
public TerminalNode Data() { return getToken(MLMParser.Data, 0); }
public SlotContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_slot; }
@Override
public T accept(ParseTreeVisitor visitor) {
if ( visitor instanceof MLMVisitor ) return ((MLMVisitor)visitor).visitSlot(this);
else return visitor.visitChildren(this);
}
}
public final SlotContext slot() throws RecognitionException {
SlotContext _localctx = new SlotContext(_ctx, getState());
enterRule(_localctx, 4, RULE_slot);
try {
enterOuterAlt(_localctx, 1);
{
setState(20); match(SlotID);
setState(21); match(Data);
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static final String _serializedATN =
"\3\uacf5\uee8c\u4f5d\u8b0d\u4a45\u78bd\u1b2f\u3378\3\7\32\4\2\t\2\4\3"+
"\t\3\4\4\t\4\3\2\6\2\n\n\2\r\2\16\2\13\3\2\3\2\3\2\3\3\3\3\6\3\23\n\3"+
"\r\3\16\3\24\3\4\3\4\3\4\3\4\2\5\2\4\6\2\2\30\2\t\3\2\2\2\4\20\3\2\2\2"+
"\6\26\3\2\2\2\b\n\5\4\3\2\t\b\3\2\2\2\n\13\3\2\2\2\13\t\3\2\2\2\13\f\3"+
"\2\2\2\f\r\3\2\2\2\r\16\7\3\2\2\16\17\7\2\2\3\17\3\3\2\2\2\20\22\7\4\2"+
"\2\21\23\5\6\4\2\22\21\3\2\2\2\23\24\3\2\2\2\24\22\3\2\2\2\24\25\3\2\2"+
"\2\25\5\3\2\2\2\26\27\7\5\2\2\27\30\7\6\2\2\30\7\3\2\2\2\4\13\24";
public static final ATN _ATN =
ATNSimulator.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);
}
}
} © 2015 - 2025 Weber Informatics LLC | Privacy Policy