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GumTree tree generator for XML code (AntLR based).
// $ANTLR 3.5.2 com/github/gumtreediff/gen/antlr3/xml/XML.g 2021-10-19 13:57:17
package com.github.gumtreediff.gen.antlr3.xml;
import org.antlr.runtime.*;
import java.util.Stack;
import java.util.List;
import java.util.ArrayList;
import org.antlr.runtime.tree.*;
@SuppressWarnings("all")
public class XMLParser extends Parser {
public static final String[] tokenNames = new String[] {
"", "", "", "", "ATTRIBUTE", "ATTRIBUTES", "ATTRIBUTE_ID",
"ATTR_EQ", "ATTR_VALUE", "DIGIT", "ELEMENT", "ELEMENT_ID", "GENERIC_ID",
"LETTER", "NAMECHAR", "PCDATA", "TAG_CLOSE", "TAG_EMPTY_CLOSE", "TAG_END_OPEN",
"TAG_START_OPEN", "WS"
};
public static final int EOF=-1;
public static final int ATTRIBUTE=4;
public static final int ATTRIBUTES=5;
public static final int ATTRIBUTE_ID=6;
public static final int ATTR_EQ=7;
public static final int ATTR_VALUE=8;
public static final int DIGIT=9;
public static final int ELEMENT=10;
public static final int ELEMENT_ID=11;
public static final int GENERIC_ID=12;
public static final int LETTER=13;
public static final int NAMECHAR=14;
public static final int PCDATA=15;
public static final int TAG_CLOSE=16;
public static final int TAG_EMPTY_CLOSE=17;
public static final int TAG_END_OPEN=18;
public static final int TAG_START_OPEN=19;
public static final int WS=20;
// delegates
public Parser[] getDelegates() {
return new Parser[] {};
}
// delegators
public XMLParser(TokenStream input) {
this(input, new RecognizerSharedState());
}
public XMLParser(TokenStream input, RecognizerSharedState state) {
super(input, state);
}
protected TreeAdaptor adaptor = new CommonTreeAdaptor();
public void setTreeAdaptor(TreeAdaptor adaptor) {
this.adaptor = adaptor;
}
public TreeAdaptor getTreeAdaptor() {
return adaptor;
}
@Override public String[] getTokenNames() { return XMLParser.tokenNames; }
@Override public String getGrammarFileName() { return "com/github/gumtreediff/gen/antlr3/xml/XML.g"; }
public static class document_return extends ParserRuleReturnScope {
CommonTree tree;
@Override
public CommonTree getTree() { return tree; }
};
// $ANTLR start "document"
// com/github/gumtreediff/gen/antlr3/xml/XML.g:24:1: document : element ;
public final XMLParser.document_return document() throws RecognitionException {
XMLParser.document_return retval = new XMLParser.document_return();
retval.start = input.LT(1);
CommonTree root_0 = null;
ParserRuleReturnScope element1 =null;
try {
// com/github/gumtreediff/gen/antlr3/xml/XML.g:24:10: ( element )
// com/github/gumtreediff/gen/antlr3/xml/XML.g:24:12: element
{
root_0 = (CommonTree)adaptor.nil();
pushFollow(FOLLOW_element_in_document88);
element1=element();
state._fsp--;
adaptor.addChild(root_0, element1.getTree());
}
retval.stop = input.LT(-1);
retval.tree = (CommonTree)adaptor.rulePostProcessing(root_0);
adaptor.setTokenBoundaries(retval.tree, retval.start, retval.stop);
}
catch (RecognitionException re) {
reportError(re);
recover(input,re);
retval.tree = (CommonTree)adaptor.errorNode(input, retval.start, input.LT(-1), re);
}
finally {
// do for sure before leaving
}
return retval;
}
// $ANTLR end "document"
public static class element_return extends ParserRuleReturnScope {
CommonTree tree;
@Override
public CommonTree getTree() { return tree; }
};
// $ANTLR start "element"
// com/github/gumtreediff/gen/antlr3/xml/XML.g:26:1: element : ( startTag ^ ( element | PCDATA )* endTag !| emptyElement ) ;
public final XMLParser.element_return element() throws RecognitionException {
XMLParser.element_return retval = new XMLParser.element_return();
retval.start = input.LT(1);
CommonTree root_0 = null;
Token PCDATA4=null;
ParserRuleReturnScope startTag2 =null;
ParserRuleReturnScope element3 =null;
ParserRuleReturnScope endTag5 =null;
ParserRuleReturnScope emptyElement6 =null;
CommonTree PCDATA4_tree=null;
try {
// com/github/gumtreediff/gen/antlr3/xml/XML.g:27:5: ( ( startTag ^ ( element | PCDATA )* endTag !| emptyElement ) )
// com/github/gumtreediff/gen/antlr3/xml/XML.g:27:7: ( startTag ^ ( element | PCDATA )* endTag !| emptyElement )
{
root_0 = (CommonTree)adaptor.nil();
// com/github/gumtreediff/gen/antlr3/xml/XML.g:27:7: ( startTag ^ ( element | PCDATA )* endTag !| emptyElement )
int alt2=2;
alt2 = dfa2.predict(input);
switch (alt2) {
case 1 :
// com/github/gumtreediff/gen/antlr3/xml/XML.g:27:9: startTag ^ ( element | PCDATA )* endTag !
{
pushFollow(FOLLOW_startTag_in_element104);
startTag2=startTag();
state._fsp--;
root_0 = (CommonTree)adaptor.becomeRoot(startTag2.getTree(), root_0);
// com/github/gumtreediff/gen/antlr3/xml/XML.g:28:13: ( element | PCDATA )*
loop1:
while (true) {
int alt1=3;
int LA1_0 = input.LA(1);
if ( (LA1_0==TAG_START_OPEN) ) {
alt1=1;
}
else if ( (LA1_0==PCDATA) ) {
alt1=2;
}
switch (alt1) {
case 1 :
// com/github/gumtreediff/gen/antlr3/xml/XML.g:28:14: element
{
pushFollow(FOLLOW_element_in_element120);
element3=element();
state._fsp--;
adaptor.addChild(root_0, element3.getTree());
}
break;
case 2 :
// com/github/gumtreediff/gen/antlr3/xml/XML.g:29:15: PCDATA
{
PCDATA4=(Token)match(input,PCDATA,FOLLOW_PCDATA_in_element136);
PCDATA4_tree = (CommonTree)adaptor.create(PCDATA4);
adaptor.addChild(root_0, PCDATA4_tree);
}
break;
default :
break loop1;
}
}
pushFollow(FOLLOW_endTag_in_element165);
endTag5=endTag();
state._fsp--;
}
break;
case 2 :
// com/github/gumtreediff/gen/antlr3/xml/XML.g:32:11: emptyElement
{
pushFollow(FOLLOW_emptyElement_in_element178);
emptyElement6=emptyElement();
state._fsp--;
adaptor.addChild(root_0, emptyElement6.getTree());
}
break;
}
}
retval.stop = input.LT(-1);
retval.tree = (CommonTree)adaptor.rulePostProcessing(root_0);
adaptor.setTokenBoundaries(retval.tree, retval.start, retval.stop);
}
catch (RecognitionException re) {
reportError(re);
recover(input,re);
retval.tree = (CommonTree)adaptor.errorNode(input, retval.start, input.LT(-1), re);
}
finally {
// do for sure before leaving
}
return retval;
}
// $ANTLR end "element"
public static class startTag_return extends ParserRuleReturnScope {
CommonTree tree;
@Override
public CommonTree getTree() { return tree; }
};
// $ANTLR start "startTag"
// com/github/gumtreediff/gen/antlr3/xml/XML.g:36:1: startTag : TAG_START_OPEN g= GENERIC_ID ( attribute )* TAG_CLOSE -> ^( ELEMENT ELEMENT_ID[g] ( attribute )* ) ;
public final XMLParser.startTag_return startTag() throws RecognitionException {
XMLParser.startTag_return retval = new XMLParser.startTag_return();
retval.start = input.LT(1);
CommonTree root_0 = null;
Token g=null;
Token TAG_START_OPEN7=null;
Token TAG_CLOSE9=null;
ParserRuleReturnScope attribute8 =null;
CommonTree g_tree=null;
CommonTree TAG_START_OPEN7_tree=null;
CommonTree TAG_CLOSE9_tree=null;
RewriteRuleTokenStream stream_TAG_START_OPEN=new RewriteRuleTokenStream(adaptor,"token TAG_START_OPEN");
RewriteRuleTokenStream stream_GENERIC_ID=new RewriteRuleTokenStream(adaptor,"token GENERIC_ID");
RewriteRuleTokenStream stream_TAG_CLOSE=new RewriteRuleTokenStream(adaptor,"token TAG_CLOSE");
RewriteRuleSubtreeStream stream_attribute=new RewriteRuleSubtreeStream(adaptor,"rule attribute");
try {
// com/github/gumtreediff/gen/antlr3/xml/XML.g:36:10: ( TAG_START_OPEN g= GENERIC_ID ( attribute )* TAG_CLOSE -> ^( ELEMENT ELEMENT_ID[g] ( attribute )* ) )
// com/github/gumtreediff/gen/antlr3/xml/XML.g:36:12: TAG_START_OPEN g= GENERIC_ID ( attribute )* TAG_CLOSE
{
TAG_START_OPEN7=(Token)match(input,TAG_START_OPEN,FOLLOW_TAG_START_OPEN_in_startTag202);
stream_TAG_START_OPEN.add(TAG_START_OPEN7);
g=(Token)match(input,GENERIC_ID,FOLLOW_GENERIC_ID_in_startTag206);
stream_GENERIC_ID.add(g);
// com/github/gumtreediff/gen/antlr3/xml/XML.g:36:40: ( attribute )*
loop3:
while (true) {
int alt3=2;
int LA3_0 = input.LA(1);
if ( (LA3_0==GENERIC_ID) ) {
alt3=1;
}
switch (alt3) {
case 1 :
// com/github/gumtreediff/gen/antlr3/xml/XML.g:36:40: attribute
{
pushFollow(FOLLOW_attribute_in_startTag208);
attribute8=attribute();
state._fsp--;
stream_attribute.add(attribute8.getTree());
}
break;
default :
break loop3;
}
}
TAG_CLOSE9=(Token)match(input,TAG_CLOSE,FOLLOW_TAG_CLOSE_in_startTag211);
stream_TAG_CLOSE.add(TAG_CLOSE9);
// AST REWRITE
// elements: attribute
// token labels:
// rule labels: retval
// token list labels:
// rule list labels:
// wildcard labels:
retval.tree = root_0;
RewriteRuleSubtreeStream stream_retval=new RewriteRuleSubtreeStream(adaptor,"rule retval",retval!=null?retval.getTree():null);
root_0 = (CommonTree)adaptor.nil();
// 37:9: -> ^( ELEMENT ELEMENT_ID[g] ( attribute )* )
{
// com/github/gumtreediff/gen/antlr3/xml/XML.g:37:12: ^( ELEMENT ELEMENT_ID[g] ( attribute )* )
{
CommonTree root_1 = (CommonTree)adaptor.nil();
root_1 = (CommonTree)adaptor.becomeRoot((CommonTree)adaptor.create(ELEMENT, "ELEMENT"), root_1);
adaptor.addChild(root_1, (CommonTree)adaptor.create(ELEMENT_ID, g));
// com/github/gumtreediff/gen/antlr3/xml/XML.g:37:36: ( attribute )*
while ( stream_attribute.hasNext() ) {
adaptor.addChild(root_1, stream_attribute.nextTree());
}
stream_attribute.reset();
adaptor.addChild(root_0, root_1);
}
}
retval.tree = root_0;
}
retval.stop = input.LT(-1);
retval.tree = (CommonTree)adaptor.rulePostProcessing(root_0);
adaptor.setTokenBoundaries(retval.tree, retval.start, retval.stop);
}
catch (RecognitionException re) {
reportError(re);
recover(input,re);
retval.tree = (CommonTree)adaptor.errorNode(input, retval.start, input.LT(-1), re);
}
finally {
// do for sure before leaving
}
return retval;
}
// $ANTLR end "startTag"
public static class attribute_return extends ParserRuleReturnScope {
CommonTree tree;
@Override
public CommonTree getTree() { return tree; }
};
// $ANTLR start "attribute"
// com/github/gumtreediff/gen/antlr3/xml/XML.g:40:1: attribute : g= GENERIC_ID ATTR_EQ ATTR_VALUE -> ^( ATTRIBUTE ATTRIBUTE_ID[g] ATTR_VALUE ) ;
public final XMLParser.attribute_return attribute() throws RecognitionException {
XMLParser.attribute_return retval = new XMLParser.attribute_return();
retval.start = input.LT(1);
CommonTree root_0 = null;
Token g=null;
Token ATTR_EQ10=null;
Token ATTR_VALUE11=null;
CommonTree g_tree=null;
CommonTree ATTR_EQ10_tree=null;
CommonTree ATTR_VALUE11_tree=null;
RewriteRuleTokenStream stream_ATTR_VALUE=new RewriteRuleTokenStream(adaptor,"token ATTR_VALUE");
RewriteRuleTokenStream stream_GENERIC_ID=new RewriteRuleTokenStream(adaptor,"token GENERIC_ID");
RewriteRuleTokenStream stream_ATTR_EQ=new RewriteRuleTokenStream(adaptor,"token ATTR_EQ");
try {
// com/github/gumtreediff/gen/antlr3/xml/XML.g:40:11: (g= GENERIC_ID ATTR_EQ ATTR_VALUE -> ^( ATTRIBUTE ATTRIBUTE_ID[g] ATTR_VALUE ) )
// com/github/gumtreediff/gen/antlr3/xml/XML.g:40:13: g= GENERIC_ID ATTR_EQ ATTR_VALUE
{
g=(Token)match(input,GENERIC_ID,FOLLOW_GENERIC_ID_in_attribute247);
stream_GENERIC_ID.add(g);
ATTR_EQ10=(Token)match(input,ATTR_EQ,FOLLOW_ATTR_EQ_in_attribute249);
stream_ATTR_EQ.add(ATTR_EQ10);
ATTR_VALUE11=(Token)match(input,ATTR_VALUE,FOLLOW_ATTR_VALUE_in_attribute251);
stream_ATTR_VALUE.add(ATTR_VALUE11);
// AST REWRITE
// elements: ATTR_VALUE
// token labels:
// rule labels: retval
// token list labels:
// rule list labels:
// wildcard labels:
retval.tree = root_0;
RewriteRuleSubtreeStream stream_retval=new RewriteRuleSubtreeStream(adaptor,"rule retval",retval!=null?retval.getTree():null);
root_0 = (CommonTree)adaptor.nil();
// 40:45: -> ^( ATTRIBUTE ATTRIBUTE_ID[g] ATTR_VALUE )
{
// com/github/gumtreediff/gen/antlr3/xml/XML.g:40:48: ^( ATTRIBUTE ATTRIBUTE_ID[g] ATTR_VALUE )
{
CommonTree root_1 = (CommonTree)adaptor.nil();
root_1 = (CommonTree)adaptor.becomeRoot((CommonTree)adaptor.create(ATTRIBUTE, "ATTRIBUTE"), root_1);
adaptor.addChild(root_1, (CommonTree)adaptor.create(ATTRIBUTE_ID, g));
adaptor.addChild(root_1, stream_ATTR_VALUE.nextNode());
adaptor.addChild(root_0, root_1);
}
}
retval.tree = root_0;
}
retval.stop = input.LT(-1);
retval.tree = (CommonTree)adaptor.rulePostProcessing(root_0);
adaptor.setTokenBoundaries(retval.tree, retval.start, retval.stop);
}
catch (RecognitionException re) {
reportError(re);
recover(input,re);
retval.tree = (CommonTree)adaptor.errorNode(input, retval.start, input.LT(-1), re);
}
finally {
// do for sure before leaving
}
return retval;
}
// $ANTLR end "attribute"
public static class endTag_return extends ParserRuleReturnScope {
CommonTree tree;
@Override
public CommonTree getTree() { return tree; }
};
// $ANTLR start "endTag"
// com/github/gumtreediff/gen/antlr3/xml/XML.g:42:1: endTag : TAG_END_OPEN GENERIC_ID TAG_CLOSE ;
public final XMLParser.endTag_return endTag() throws RecognitionException {
XMLParser.endTag_return retval = new XMLParser.endTag_return();
retval.start = input.LT(1);
CommonTree root_0 = null;
Token TAG_END_OPEN12=null;
Token GENERIC_ID13=null;
Token TAG_CLOSE14=null;
CommonTree TAG_END_OPEN12_tree=null;
CommonTree GENERIC_ID13_tree=null;
CommonTree TAG_CLOSE14_tree=null;
try {
// com/github/gumtreediff/gen/antlr3/xml/XML.g:42:9: ( TAG_END_OPEN GENERIC_ID TAG_CLOSE )
// com/github/gumtreediff/gen/antlr3/xml/XML.g:42:11: TAG_END_OPEN GENERIC_ID TAG_CLOSE
{
root_0 = (CommonTree)adaptor.nil();
TAG_END_OPEN12=(Token)match(input,TAG_END_OPEN,FOLLOW_TAG_END_OPEN_in_endTag273);
TAG_END_OPEN12_tree = (CommonTree)adaptor.create(TAG_END_OPEN12);
adaptor.addChild(root_0, TAG_END_OPEN12_tree);
GENERIC_ID13=(Token)match(input,GENERIC_ID,FOLLOW_GENERIC_ID_in_endTag275);
GENERIC_ID13_tree = (CommonTree)adaptor.create(GENERIC_ID13);
adaptor.addChild(root_0, GENERIC_ID13_tree);
TAG_CLOSE14=(Token)match(input,TAG_CLOSE,FOLLOW_TAG_CLOSE_in_endTag277);
TAG_CLOSE14_tree = (CommonTree)adaptor.create(TAG_CLOSE14);
adaptor.addChild(root_0, TAG_CLOSE14_tree);
}
retval.stop = input.LT(-1);
retval.tree = (CommonTree)adaptor.rulePostProcessing(root_0);
adaptor.setTokenBoundaries(retval.tree, retval.start, retval.stop);
}
catch (RecognitionException re) {
reportError(re);
recover(input,re);
retval.tree = (CommonTree)adaptor.errorNode(input, retval.start, input.LT(-1), re);
}
finally {
// do for sure before leaving
}
return retval;
}
// $ANTLR end "endTag"
public static class emptyElement_return extends ParserRuleReturnScope {
CommonTree tree;
@Override
public CommonTree getTree() { return tree; }
};
// $ANTLR start "emptyElement"
// com/github/gumtreediff/gen/antlr3/xml/XML.g:44:1: emptyElement : TAG_START_OPEN g= GENERIC_ID ( attribute )* TAG_EMPTY_CLOSE -> ^( ELEMENT ELEMENT_ID[g] ( attribute )* ) ;
public final XMLParser.emptyElement_return emptyElement() throws RecognitionException {
XMLParser.emptyElement_return retval = new XMLParser.emptyElement_return();
retval.start = input.LT(1);
CommonTree root_0 = null;
Token g=null;
Token TAG_START_OPEN15=null;
Token TAG_EMPTY_CLOSE17=null;
ParserRuleReturnScope attribute16 =null;
CommonTree g_tree=null;
CommonTree TAG_START_OPEN15_tree=null;
CommonTree TAG_EMPTY_CLOSE17_tree=null;
RewriteRuleTokenStream stream_TAG_START_OPEN=new RewriteRuleTokenStream(adaptor,"token TAG_START_OPEN");
RewriteRuleTokenStream stream_GENERIC_ID=new RewriteRuleTokenStream(adaptor,"token GENERIC_ID");
RewriteRuleTokenStream stream_TAG_EMPTY_CLOSE=new RewriteRuleTokenStream(adaptor,"token TAG_EMPTY_CLOSE");
RewriteRuleSubtreeStream stream_attribute=new RewriteRuleSubtreeStream(adaptor,"rule attribute");
try {
// com/github/gumtreediff/gen/antlr3/xml/XML.g:44:14: ( TAG_START_OPEN g= GENERIC_ID ( attribute )* TAG_EMPTY_CLOSE -> ^( ELEMENT ELEMENT_ID[g] ( attribute )* ) )
// com/github/gumtreediff/gen/antlr3/xml/XML.g:44:16: TAG_START_OPEN g= GENERIC_ID ( attribute )* TAG_EMPTY_CLOSE
{
TAG_START_OPEN15=(Token)match(input,TAG_START_OPEN,FOLLOW_TAG_START_OPEN_in_emptyElement286);
stream_TAG_START_OPEN.add(TAG_START_OPEN15);
g=(Token)match(input,GENERIC_ID,FOLLOW_GENERIC_ID_in_emptyElement290);
stream_GENERIC_ID.add(g);
// com/github/gumtreediff/gen/antlr3/xml/XML.g:44:44: ( attribute )*
loop4:
while (true) {
int alt4=2;
int LA4_0 = input.LA(1);
if ( (LA4_0==GENERIC_ID) ) {
alt4=1;
}
switch (alt4) {
case 1 :
// com/github/gumtreediff/gen/antlr3/xml/XML.g:44:44: attribute
{
pushFollow(FOLLOW_attribute_in_emptyElement292);
attribute16=attribute();
state._fsp--;
stream_attribute.add(attribute16.getTree());
}
break;
default :
break loop4;
}
}
TAG_EMPTY_CLOSE17=(Token)match(input,TAG_EMPTY_CLOSE,FOLLOW_TAG_EMPTY_CLOSE_in_emptyElement295);
stream_TAG_EMPTY_CLOSE.add(TAG_EMPTY_CLOSE17);
// AST REWRITE
// elements: attribute
// token labels:
// rule labels: retval
// token list labels:
// rule list labels:
// wildcard labels:
retval.tree = root_0;
RewriteRuleSubtreeStream stream_retval=new RewriteRuleSubtreeStream(adaptor,"rule retval",retval!=null?retval.getTree():null);
root_0 = (CommonTree)adaptor.nil();
// 45:9: -> ^( ELEMENT ELEMENT_ID[g] ( attribute )* )
{
// com/github/gumtreediff/gen/antlr3/xml/XML.g:45:12: ^( ELEMENT ELEMENT_ID[g] ( attribute )* )
{
CommonTree root_1 = (CommonTree)adaptor.nil();
root_1 = (CommonTree)adaptor.becomeRoot((CommonTree)adaptor.create(ELEMENT, "ELEMENT"), root_1);
adaptor.addChild(root_1, (CommonTree)adaptor.create(ELEMENT_ID, g));
// com/github/gumtreediff/gen/antlr3/xml/XML.g:45:36: ( attribute )*
while ( stream_attribute.hasNext() ) {
adaptor.addChild(root_1, stream_attribute.nextTree());
}
stream_attribute.reset();
adaptor.addChild(root_0, root_1);
}
}
retval.tree = root_0;
}
retval.stop = input.LT(-1);
retval.tree = (CommonTree)adaptor.rulePostProcessing(root_0);
adaptor.setTokenBoundaries(retval.tree, retval.start, retval.stop);
}
catch (RecognitionException re) {
reportError(re);
recover(input,re);
retval.tree = (CommonTree)adaptor.errorNode(input, retval.start, input.LT(-1), re);
}
finally {
// do for sure before leaving
}
return retval;
}
// $ANTLR end "emptyElement"
// Delegated rules
protected DFA2 dfa2 = new DFA2(this);
static final String DFA2_eotS =
"\10\uffff";
static final String DFA2_eofS =
"\10\uffff";
static final String DFA2_minS =
"\1\23\2\14\1\7\2\uffff\1\10\1\14";
static final String DFA2_maxS =
"\1\23\1\14\1\21\1\7\2\uffff\1\10\1\21";
static final String DFA2_acceptS =
"\4\uffff\1\1\1\2\2\uffff";
static final String DFA2_specialS =
"\10\uffff}>";
static final String[] DFA2_transitionS = {
"\1\1",
"\1\2",
"\1\3\3\uffff\1\4\1\5",
"\1\6",
"",
"",
"\1\7",
"\1\3\3\uffff\1\4\1\5"
};
static final short[] DFA2_eot = DFA.unpackEncodedString(DFA2_eotS);
static final short[] DFA2_eof = DFA.unpackEncodedString(DFA2_eofS);
static final char[] DFA2_min = DFA.unpackEncodedStringToUnsignedChars(DFA2_minS);
static final char[] DFA2_max = DFA.unpackEncodedStringToUnsignedChars(DFA2_maxS);
static final short[] DFA2_accept = DFA.unpackEncodedString(DFA2_acceptS);
static final short[] DFA2_special = DFA.unpackEncodedString(DFA2_specialS);
static final short[][] DFA2_transition;
static {
int numStates = DFA2_transitionS.length;
DFA2_transition = new short[numStates][];
for (int i=0; i