// $ANTLR : "preproc.g" -> "Preprocessor.java"$
package antlr.preprocessor;
import antlr.TokenBuffer;
import antlr.TokenStreamException;
import antlr.TokenStreamIOException;
import antlr.ANTLRException;
import antlr.LLkParser;
import antlr.Token;
import antlr.TokenStream;
import antlr.RecognitionException;
import antlr.NoViableAltException;
import antlr.MismatchedTokenException;
import antlr.SemanticException;
import antlr.ParserSharedInputState;
import antlr.collections.impl.BitSet;
import antlr.collections.impl.IndexedVector;
import java.util.Hashtable;
import antlr.preprocessor.Grammar;
public class Preprocessor extends antlr.LLkParser implements PreprocessorTokenTypes
{
// This chunk of error reporting code provided by Brian Smith
private antlr.Tool antlrTool;
/** In order to make it so existing subclasses don't break, we won't require
* that the antlr.Tool instance be passed as a constructor element. Instead,
* the antlr.Tool instance should register itself via {@link #initTool(antlr.Tool)}
* @throws IllegalStateException if a tool has already been registered
* @since 2.7.2
*/
public void setTool(antlr.Tool tool) {
if (antlrTool == null) {
antlrTool = tool;
}
else {
throw new IllegalStateException("antlr.Tool already registered");
}
}
/** @since 2.7.2 */
protected antlr.Tool getTool() {
return antlrTool;
}
/** Delegates the error message to the tool if any was registered via
* {@link #initTool(antlr.Tool)}
* @since 2.7.2
*/
public void reportError(String s) {
if (getTool() != null) {
getTool().error(s, getFilename(), -1, -1);
}
else {
super.reportError(s);
}
}
/** Delegates the error message to the tool if any was registered via
* {@link #initTool(antlr.Tool)}
* @since 2.7.2
*/
public void reportError(RecognitionException e) {
if (getTool() != null) {
getTool().error(e.getErrorMessage(), e.getFilename(), e.getLine(), e.getColumn());
}
else {
super.reportError(e);
}
}
/** Delegates the warning message to the tool if any was registered via
* {@link #initTool(antlr.Tool)}
* @since 2.7.2
*/
public void reportWarning(String s) {
if (getTool() != null) {
getTool().warning(s, getFilename(), -1, -1);
}
else {
super.reportWarning(s);
}
}
protected Preprocessor(TokenBuffer tokenBuf, int k) {
super(tokenBuf,k);
tokenNames = _tokenNames;
}
public Preprocessor(TokenBuffer tokenBuf) {
this(tokenBuf,1);
}
protected Preprocessor(TokenStream lexer, int k) {
super(lexer,k);
tokenNames = _tokenNames;
}
public Preprocessor(TokenStream lexer) {
this(lexer,1);
}
public Preprocessor(ParserSharedInputState state) {
super(state,1);
tokenNames = _tokenNames;
}
public final void grammarFile(
Hierarchy hier, String file
) throws RecognitionException, TokenStreamException {
Token hdr = null;
Grammar gr;
IndexedVector opt=null;
try { // for error handling
{
_loop265:
do {
if ((LA(1)==HEADER_ACTION)) {
hdr = LT(1);
match(HEADER_ACTION);
hier.getFile(file).addHeaderAction(hdr.getText());
}
else {
break _loop265;
}
} while (true);
}
{
switch ( LA(1)) {
case OPTIONS_START:
{
opt=optionSpec(null);
break;
}
case EOF:
case ACTION:
case LITERAL_class:
{
break;
}
default:
{
throw new NoViableAltException(LT(1), getFilename());
}
}
}
{
_loop268:
do {
if ((LA(1)==ACTION||LA(1)==LITERAL_class)) {
gr=class_def(file, hier);
if ( gr!=null && opt!=null ) {
hier.getFile(file).setOptions(opt);
}
if ( gr!=null ) {
gr.setFileName(file);
hier.addGrammar(gr);
}
}
else {
break _loop268;
}
} while (true);
}
match(Token.EOF_TYPE);
}
catch (RecognitionException ex) {
reportError(ex);
consume();
consumeUntil(_tokenSet_0);
}
}
public final IndexedVector optionSpec(
Grammar gr
) throws RecognitionException, TokenStreamException {
IndexedVector options;
Token op = null;
Token rhs = null;
options = new IndexedVector();
try { // for error handling
match(OPTIONS_START);
{
_loop280:
do {
if ((LA(1)==ID)) {
op = LT(1);
match(ID);
rhs = LT(1);
match(ASSIGN_RHS);
Option newOp = new Option(op.getText(),rhs.getText(),gr);
options.appendElement(newOp.getName(),newOp);
if ( gr!=null && op.getText().equals("importVocab") ) {
gr.specifiedVocabulary = true;
gr.importVocab = rhs.getText();
}
else if ( gr!=null && op.getText().equals("exportVocab") ) {
// don't want ';' included in outputVocab.
// This is heinously inconsistent! Ugh.
gr.exportVocab = rhs.getText().substring(0,rhs.getText().length()-1);
gr.exportVocab = gr.exportVocab.trim();
}
}
else {
break _loop280;
}
} while (true);
}
match(RCURLY);
}
catch (RecognitionException ex) {
reportError(ex);
consume();
consumeUntil(_tokenSet_1);
}
return options;
}
public final Grammar class_def(
String file, Hierarchy hier
) throws RecognitionException, TokenStreamException {
Grammar gr;
Token preamble = null;
Token sub = null;
Token sup = null;
Token tk = null;
Token memberA = null;
gr=null;
IndexedVector rules = new IndexedVector(100);
IndexedVector classOptions = null;
String sc = null;
try { // for error handling
{
switch ( LA(1)) {
case ACTION:
{
preamble = LT(1);
match(ACTION);
break;
}
case LITERAL_class:
{
break;
}
default:
{
throw new NoViableAltException(LT(1), getFilename());
}
}
}
match(LITERAL_class);
sub = LT(1);
match(ID);
match(LITERAL_extends);
sup = LT(1);
match(ID);
{
switch ( LA(1)) {
case SUBRULE_BLOCK:
{
sc=superClass();
break;
}
case SEMI:
{
break;
}
default:
{
throw new NoViableAltException(LT(1), getFilename());
}
}
}
match(SEMI);
gr = (Grammar)hier.getGrammar(sub.getText());
if ( gr!=null ) {
// antlr.Tool.toolError("redefinition of grammar "+gr.getName()+" ignored");
gr=null;
throw new SemanticException("redefinition of grammar "+sub.getText(), file, sub.getLine(), sub.getColumn());
}
else {
gr = new Grammar(hier.getTool(), sub.getText(), sup.getText(), rules);
gr.superClass=sc;
if ( preamble!=null ) {
gr.setPreambleAction(preamble.getText());
}
}
{
switch ( LA(1)) {
case OPTIONS_START:
{
classOptions=optionSpec(gr);
break;
}
case ACTION:
case ID:
case TOKENS_SPEC:
case LITERAL_protected:
case LITERAL_private:
case LITERAL_public:
{
break;
}
default:
{
throw new NoViableAltException(LT(1), getFilename());
}
}
}
if ( gr!=null ) {
gr.setOptions(classOptions);
}
{
switch ( LA(1)) {
case TOKENS_SPEC:
{
tk = LT(1);
match(TOKENS_SPEC);
gr.setTokenSection(tk.getText());
break;
}
case ACTION:
case ID:
case LITERAL_protected:
case LITERAL_private:
case LITERAL_public:
{
break;
}
default:
{
throw new NoViableAltException(LT(1), getFilename());
}
}
}
{
switch ( LA(1)) {
case ACTION:
{
memberA = LT(1);
match(ACTION);
gr.setMemberAction(memberA.getText());
break;
}
case ID:
case LITERAL_protected:
case LITERAL_private:
case LITERAL_public:
{
break;
}
default:
{
throw new NoViableAltException(LT(1), getFilename());
}
}
}
{
int _cnt277=0;
_loop277:
do {
if ((_tokenSet_2.member(LA(1)))) {
rule(gr);
}
else {
if ( _cnt277>=1 ) { break _loop277; } else {throw new NoViableAltException(LT(1), getFilename());}
}
_cnt277++;
} while (true);
}
}
catch (RecognitionException ex) {
reportError(ex);
consume();
consumeUntil(_tokenSet_3);
}
return gr;
}
public final String superClass() throws RecognitionException, TokenStreamException {
String sup;
sup=LT(1).getText();
try { // for error handling
match(SUBRULE_BLOCK);
}
catch (RecognitionException ex) {
reportError(ex);
consume();
consumeUntil(_tokenSet_4);
}
return sup;
}
public final void rule(
Grammar gr
) throws RecognitionException, TokenStreamException {
Token r = null;
Token arg = null;
Token ret = null;
Token init = null;
Token blk = null;
IndexedVector o = null; // options for rule
String vis = null;
boolean bang=false;
String eg=null, thr="";
try { // for error handling
{
switch ( LA(1)) {
case LITERAL_protected:
{
match(LITERAL_protected);
vis="protected";
break;
}
case LITERAL_private:
{
match(LITERAL_private);
vis="private";
break;
}
case LITERAL_public:
{
match(LITERAL_public);
vis="public";
break;
}
case ID:
{
break;
}
default:
{
throw new NoViableAltException(LT(1), getFilename());
}
}
}
r = LT(1);
match(ID);
{
switch ( LA(1)) {
case BANG:
{
match(BANG);
bang=true;
break;
}
case ACTION:
case OPTIONS_START:
case ARG_ACTION:
case LITERAL_returns:
case RULE_BLOCK:
case LITERAL_throws:
{
break;
}
default:
{
throw new NoViableAltException(LT(1), getFilename());
}
}
}
{
switch ( LA(1)) {
case ARG_ACTION:
{
arg = LT(1);
match(ARG_ACTION);
break;
}
case ACTION:
case OPTIONS_START:
case LITERAL_returns:
case RULE_BLOCK:
case LITERAL_throws:
{
break;
}
default:
{
throw new NoViableAltException(LT(1), getFilename());
}
}
}
{
switch ( LA(1)) {
case LITERAL_returns:
{
match(LITERAL_returns);
ret = LT(1);
match(ARG_ACTION);
break;
}
case ACTION:
case OPTIONS_START:
case RULE_BLOCK:
case LITERAL_throws:
{
break;
}
default:
{
throw new NoViableAltException(LT(1), getFilename());
}
}
}
{
switch ( LA(1)) {
case LITERAL_throws:
{
thr=throwsSpec();
break;
}
case ACTION:
case OPTIONS_START:
case RULE_BLOCK:
{
break;
}
default:
{
throw new NoViableAltException(LT(1), getFilename());
}
}
}
{
switch ( LA(1)) {
case OPTIONS_START:
{
o=optionSpec(null);
break;
}
case ACTION:
case RULE_BLOCK:
{
break;
}
default:
{
throw new NoViableAltException(LT(1), getFilename());
}
}
}
{
switch ( LA(1)) {
case ACTION:
{
init = LT(1);
match(ACTION);
break;
}
case RULE_BLOCK:
{
break;
}
default:
{
throw new NoViableAltException(LT(1), getFilename());
}
}
}
blk = LT(1);
match(RULE_BLOCK);
eg=exceptionGroup();
String rtext = blk.getText()+eg;
Rule ppr = new Rule(r.getText(),rtext,o,gr);
ppr.setThrowsSpec(thr);
if ( arg!=null ) {
ppr.setArgs(arg.getText());
}
if ( ret!=null ) {
ppr.setReturnValue(ret.getText());
}
if ( init!=null ) {
ppr.setInitAction(init.getText());
}
if ( bang ) {
ppr.setBang();
}
ppr.setVisibility(vis);
if ( gr!=null ) {
gr.addRule(ppr);
}
}
catch (RecognitionException ex) {
reportError(ex);
consume();
consumeUntil(_tokenSet_5);
}
}
public final String throwsSpec() throws RecognitionException, TokenStreamException {
String t;
Token a = null;
Token b = null;
t="throws ";
try { // for error handling
match(LITERAL_throws);
a = LT(1);
match(ID);
t+=a.getText();
{
_loop291:
do {
if ((LA(1)==COMMA)) {
match(COMMA);
b = LT(1);
match(ID);
t+=","+b.getText();
}
else {
break _loop291;
}
} while (true);
}
}
catch (RecognitionException ex) {
reportError(ex);
consume();
consumeUntil(_tokenSet_6);
}
return t;
}
public final String exceptionGroup() throws RecognitionException, TokenStreamException {
String g;
String e=null; g="";
try { // for error handling
{
_loop294:
do {
if ((LA(1)==LITERAL_exception)) {
e=exceptionSpec();
g += e;
}
else {
break _loop294;
}
} while (true);
}
}
catch (RecognitionException ex) {
reportError(ex);
consume();
consumeUntil(_tokenSet_5);
}
return g;
}
public final String exceptionSpec() throws RecognitionException, TokenStreamException {
String es;
Token aa = null;
String h=null;
es = System.getProperty("line.separator")+"exception ";
try { // for error handling
match(LITERAL_exception);
{
switch ( LA(1)) {
case ARG_ACTION:
{
aa = LT(1);
match(ARG_ACTION);
es += aa.getText();
break;
}
case EOF:
case ACTION:
case LITERAL_class:
case ID:
case LITERAL_protected:
case LITERAL_private:
case LITERAL_public:
case LITERAL_exception:
case LITERAL_catch:
{
break;
}
default:
{
throw new NoViableAltException(LT(1), getFilename());
}
}
}
{
_loop298:
do {
if ((LA(1)==LITERAL_catch)) {
h=exceptionHandler();
es += h;
}
else {
break _loop298;
}
} while (true);
}
}
catch (RecognitionException ex) {
reportError(ex);
consume();
consumeUntil(_tokenSet_7);
}
return es;
}
public final String exceptionHandler() throws RecognitionException, TokenStreamException {
String h;
Token a1 = null;
Token a2 = null;
h=null;
try { // for error handling
match(LITERAL_catch);
a1 = LT(1);
match(ARG_ACTION);
a2 = LT(1);
match(ACTION);
h = System.getProperty("line.separator")+
"catch "+a1.getText()+" "+a2.getText();
}
catch (RecognitionException ex) {
reportError(ex);
consume();
consumeUntil(_tokenSet_8);
}
return h;
}
public static final String[] _tokenNames = {
"<0>",
"EOF",
"<2>",
"NULL_TREE_LOOKAHEAD",
"\"tokens\"",
"HEADER_ACTION",
"SUBRULE_BLOCK",
"ACTION",
"\"class\"",
"ID",
"\"extends\"",
"SEMI",
"TOKENS_SPEC",
"OPTIONS_START",
"ASSIGN_RHS",
"RCURLY",
"\"protected\"",
"\"private\"",
"\"public\"",
"BANG",
"ARG_ACTION",
"\"returns\"",
"RULE_BLOCK",
"\"throws\"",
"COMMA",
"\"exception\"",
"\"catch\"",
"ALT",
"ELEMENT",
"LPAREN",
"RPAREN",
"ID_OR_KEYWORD",
"CURLY_BLOCK_SCARF",
"WS",
"NEWLINE",
"COMMENT",
"SL_COMMENT",
"ML_COMMENT",
"CHAR_LITERAL",
"STRING_LITERAL",
"ESC",
"DIGIT",
"XDIGIT"
};
private static final long[] mk_tokenSet_0() {
long[] data = { 2L, 0L};
return data;
}
public static final BitSet _tokenSet_0 = new BitSet(mk_tokenSet_0());
private static final long[] mk_tokenSet_1() {
long[] data = { 4658050L, 0L};
return data;
}
public static final BitSet _tokenSet_1 = new BitSet(mk_tokenSet_1());
private static final long[] mk_tokenSet_2() {
long[] data = { 459264L, 0L};
return data;
}
public static final BitSet _tokenSet_2 = new BitSet(mk_tokenSet_2());
private static final long[] mk_tokenSet_3() {
long[] data = { 386L, 0L};
return data;
}
public static final BitSet _tokenSet_3 = new BitSet(mk_tokenSet_3());
private static final long[] mk_tokenSet_4() {
long[] data = { 2048L, 0L};
return data;
}
public static final BitSet _tokenSet_4 = new BitSet(mk_tokenSet_4());
private static final long[] mk_tokenSet_5() {
long[] data = { 459650L, 0L};
return data;
}
public static final BitSet _tokenSet_5 = new BitSet(mk_tokenSet_5());
private static final long[] mk_tokenSet_6() {
long[] data = { 4202624L, 0L};
return data;
}
public static final BitSet _tokenSet_6 = new BitSet(mk_tokenSet_6());
private static final long[] mk_tokenSet_7() {
long[] data = { 34014082L, 0L};
return data;
}
public static final BitSet _tokenSet_7 = new BitSet(mk_tokenSet_7());
private static final long[] mk_tokenSet_8() {
long[] data = { 101122946L, 0L};
return data;
}
public static final BitSet _tokenSet_8 = new BitSet(mk_tokenSet_8());
}