/* Generated By:JavaCC: Do not edit this line. TableSchemaParser.java */
package org.apache.hadoop.zebra.parser;
import java.io.*;
import org.apache.hadoop.zebra.schema.Schema;
import org.apache.hadoop.zebra.schema.ColumnType;
import org.apache.hadoop.zebra.types.Projection;
public class TableSchemaParser implements TableSchemaParserConstants {
public static void main( String[] args )
throws ParseException, TokenMgrError , java.io.FileNotFoundException, java.io.IOException {
TableSchemaParser parser = new TableSchemaParser( System.in ) ;
Schema schema = parser.RecordSchema(null);
System.out.println("OK");
FileOutputStream output = new FileOutputStream("/tmp/schema");
ObjectOutputStream objout = new ObjectOutputStream(output);
objout.writeObject(schema);
objout.close();
System.out.println(schema.toString());
}
final public ColumnType Type() throws ParseException {
ColumnType type;
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case INT:
case BOOL:
case LONG:
case FLOAT:
case DOUBLE:
case STRING:
case BYTES:
type = BasicType();
break;
case COLLECTION:
case RECORD:
case MAP:
type = CompositeType();
break;
default:
jj_la1[0] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
{if (true) return type;}
throw new Error("Missing return statement in function");
}
final public ColumnType CompositeType() throws ParseException {
Token t = null;
ColumnType type;
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case MAP:
t = jj_consume_token(MAP);
break;
case COLLECTION:
t = jj_consume_token(COLLECTION);
break;
case RECORD:
t = jj_consume_token(RECORD);
break;
default:
jj_la1[1] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
type = ColumnType.getTypeByName(t.image);
{if (true) return type;}
throw new Error("Missing return statement in function");
}
final public ColumnType BasicType() throws ParseException {
Token t = null;
ColumnType type;
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case INT:
t = jj_consume_token(INT);
break;
case LONG:
t = jj_consume_token(LONG);
break;
case FLOAT:
t = jj_consume_token(FLOAT);
break;
case DOUBLE:
t = jj_consume_token(DOUBLE);
break;
case STRING:
t = jj_consume_token(STRING);
break;
case BYTES:
t = jj_consume_token(BYTES);
break;
case BOOL:
t = jj_consume_token(BOOL);
break;
default:
jj_la1[2] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
String typeName = t.image;
type = ColumnType.getTypeByName(typeName);
{if (true) return type;}
throw new Error("Missing return statement in function");
}
final public Schema.ColumnSchema ColumnSchema() throws ParseException, ParseException {
Token t1;
Schema item = null;
Schema.ColumnSchema fs = null;
if (jj_2_1(3)) {
fs = SchemaRecord();
} else if (jj_2_2(3)) {
fs = SchemaCollection();
} else if (jj_2_3(3)) {
fs = SchemaMap();
} else {
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case IDENTIFIER:
fs = AtomSchema();
break;
default:
jj_la1[3] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
}
{if (true) return fs;}
throw new Error("Missing return statement in function");
}
final public Schema.ColumnSchema ProjectionColumnSchema() throws ParseException, ParseException {
Token t1;
Schema item = null;
Schema.ColumnSchema fs = null;
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case IDENTIFIER:
if (jj_2_4(3)) {
fs = SchemaRecord();
} else if (jj_2_5(3)) {
fs = SchemaCollection();
} else if (jj_2_6(3)) {
fs = SchemaMap();
} else {
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case IDENTIFIER:
fs = AtomSchema();
break;
default:
jj_la1[4] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
}
{if (true) return fs;}
break;
default:
jj_la1[5] = jj_gen;
{if (true) return null;}
}
throw new Error("Missing return statement in function");
}
final public Schema.ColumnSchema AtomSchema() throws ParseException, ParseException {
Token t1 = null;
ColumnType type = ColumnType.BYTES;
Schema.ColumnSchema fs;
t1 = jj_consume_token(IDENTIFIER);
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case 23:
jj_consume_token(23);
type = BasicType();
break;
default:
jj_la1[6] = jj_gen;
;
}
fs = new Schema.ColumnSchema(t1.image, type);
{if (true) return fs;}
throw new Error("Missing return statement in function");
}
final public Schema.ColumnSchema SchemaMap() throws ParseException, ParseException {
Token t1 = null;
Schema s;
Schema.ColumnSchema fs;
t1 = jj_consume_token(IDENTIFIER);
jj_consume_token(23);
jj_consume_token(MAP);
s = MapSchema();
fs = new Schema.ColumnSchema(t1.image, s, ColumnType.MAP);
{if (true) return fs;}
throw new Error("Missing return statement in function");
}
final public Schema.ColumnSchema SchemaRecord() throws ParseException, ParseException {
Token t1 = null;
Schema s;
Schema.ColumnSchema fs;
t1 = jj_consume_token(IDENTIFIER);
jj_consume_token(23);
jj_consume_token(RECORD);
jj_consume_token(24);
s = RecordSchemaInternal();
jj_consume_token(25);
fs = new Schema.ColumnSchema(t1.image, s, ColumnType.RECORD);
{if (true) return fs;}
throw new Error("Missing return statement in function");
}
final public Schema.ColumnSchema SchemaCollection() throws ParseException, ParseException {
Token t1 = null;
Schema.ColumnSchema fs = null;
t1 = jj_consume_token(IDENTIFIER);
jj_consume_token(23);
jj_consume_token(COLLECTION);
jj_consume_token(24);
fs = SchemaCollectionEntry(t1.image);
jj_consume_token(25);
{if (true) return fs;}
throw new Error("Missing return statement in function");
}
final public Schema.ColumnSchema SchemaCollectionEntry(String id) throws ParseException, ParseException {
Schema.ColumnSchema fs = null;
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case RECORD:
fs = AnonymousSchemaRecord();
break;
case IDENTIFIER:
fs = SchemaRecord();
break;
default:
jj_la1[7] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
{if (true) return new Schema.ColumnSchema(id, new Schema(fs), ColumnType.COLLECTION);}
throw new Error("Missing return statement in function");
}
final public Schema.ColumnSchema AnonymousColumnSchema() throws ParseException, ParseException {
Token t1;
Schema item = null;
Schema.ColumnSchema fs = null;
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case RECORD:
fs = AnonymousSchemaRecord();
break;
case COLLECTION:
fs = AnonymousSchemaCollection();
break;
case MAP:
fs = AnonymousSchemaMap();
break;
default:
jj_la1[8] = jj_gen;
fs = AnonymousAtomSchema();
}
{if (true) return fs;}
throw new Error("Missing return statement in function");
}
final public Schema.ColumnSchema AnonymousAtomSchema() throws ParseException, ParseException {
ColumnType type = ColumnType.BYTES;
Schema.ColumnSchema fs;
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case INT:
case BOOL:
case LONG:
case FLOAT:
case DOUBLE:
case STRING:
case BYTES:
type = BasicType();
break;
default:
jj_la1[9] = jj_gen;
;
}
fs = new Schema.ColumnSchema(null, type);
{if (true) return fs;}
throw new Error("Missing return statement in function");
}
final public Schema.ColumnSchema AnonymousSchemaMap() throws ParseException, ParseException {
Schema s;
Schema.ColumnSchema fs;
jj_consume_token(MAP);
s = MapSchema();
fs = new Schema.ColumnSchema(null, s, ColumnType.MAP);
{if (true) return fs;}
throw new Error("Missing return statement in function");
}
final public Schema.ColumnSchema AnonymousSchemaRecord() throws ParseException, ParseException {
Token t1 = null;
Schema s;
Schema.ColumnSchema fs;
jj_consume_token(RECORD);
jj_consume_token(24);
s = RecordSchemaInternal();
jj_consume_token(25);
fs = new Schema.ColumnSchema(null, s, ColumnType.RECORD);
{if (true) return fs;}
throw new Error("Missing return statement in function");
}
final public Schema.ColumnSchema AnonymousSchemaCollection() throws ParseException, ParseException {
Schema s;
Schema.ColumnSchema fs;
jj_consume_token(COLLECTION);
jj_consume_token(24);
fs = SchemaCollectionEntry(null);
jj_consume_token(25);
s = new Schema(fs);
fs = new Schema.ColumnSchema(null, s, ColumnType.COLLECTION);
{if (true) return fs;}
throw new Error("Missing return statement in function");
}
final public Schema RecordSchemaInternal() throws ParseException, ParseException {
Schema list = new Schema();
Schema.ColumnSchema fs = null;
fs = ColumnSchema();
list.add(fs);
label_1:
while (true) {
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case 26:
;
break;
default:
jj_la1[10] = jj_gen;
break label_1;
}
jj_consume_token(26);
fs = ColumnSchema();
list.add(fs);
}
{if (true) return list;}
throw new Error("Missing return statement in function");
}
final public Schema RecordSchema(Schema list) throws ParseException, ParseException {
if (list == null)
list = new Schema();
Schema.ColumnSchema fs = null;
try {
fs = ColumnSchema();
if (fs != null && Projection.isVirtualColumn(fs.getName())) {if (true) throw new ParseException("["+fs.getName()+"] is a reserved virtual column name");} list.add(fs);
label_2:
while (true) {
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case 26:
;
break;
default:
jj_la1[11] = jj_gen;
break label_2;
}
jj_consume_token(26);
fs = ColumnSchema();
if (fs != null && Projection.isVirtualColumn(fs.getName())) {if (true) throw new ParseException("["+fs.getName()+"] is a reserved virtual column name");} list.add(fs);
}
jj_consume_token(0);
} catch (TokenMgrError e) {
{if (true) throw new ParseException(e.getMessage());}
}
{if (true) return (list.getNumColumns() == 0 || (list.getNumColumns() == 1 && list.getColumn(0) == null) ? null : list);}
throw new Error("Missing return statement in function");
}
final public Schema ProjectionSchema(Schema list) throws ParseException, ParseException {
if (list == null)
list = new Schema();
Schema.ColumnSchema fs = null;
try {
fs = ProjectionColumnSchema();
list.add(fs);
label_3:
while (true) {
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case 26:
;
break;
default:
jj_la1[12] = jj_gen;
break label_3;
}
jj_consume_token(26);
fs = ProjectionColumnSchema();
list.add(fs);
}
jj_consume_token(0);
} catch (TokenMgrError e) {
{if (true) throw new ParseException(e.getMessage());}
}
{if (true) return (list.getNumColumns() == 0 || (list.getNumColumns() == 1 && list.getColumn(0) == null) ? null : list);}
throw new Error("Missing return statement in function");
}
final public Schema MapSchema() throws ParseException, ParseException {
Schema list = new Schema();
Schema.ColumnSchema fs = null;
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case 24:
jj_consume_token(24);
fs = AnonymousColumnSchema();
jj_consume_token(25);
break;
default:
jj_la1[13] = jj_gen;
}
if (fs == null)
{
list.add(new Schema.ColumnSchema("", ColumnType.BYTES));
} else {
list.add(fs);
}
{if (true) return list;}
throw new Error("Missing return statement in function");
}
private boolean jj_2_1(int xla) {
jj_la = xla; jj_lastpos = jj_scanpos = token;
try { return !jj_3_1(); }
catch(LookaheadSuccess ls) { return true; }
finally { jj_save(0, xla); }
}
private boolean jj_2_2(int xla) {
jj_la = xla; jj_lastpos = jj_scanpos = token;
try { return !jj_3_2(); }
catch(LookaheadSuccess ls) { return true; }
finally { jj_save(1, xla); }
}
private boolean jj_2_3(int xla) {
jj_la = xla; jj_lastpos = jj_scanpos = token;
try { return !jj_3_3(); }
catch(LookaheadSuccess ls) { return true; }
finally { jj_save(2, xla); }
}
private boolean jj_2_4(int xla) {
jj_la = xla; jj_lastpos = jj_scanpos = token;
try { return !jj_3_4(); }
catch(LookaheadSuccess ls) { return true; }
finally { jj_save(3, xla); }
}
private boolean jj_2_5(int xla) {
jj_la = xla; jj_lastpos = jj_scanpos = token;
try { return !jj_3_5(); }
catch(LookaheadSuccess ls) { return true; }
finally { jj_save(4, xla); }
}
private boolean jj_2_6(int xla) {
jj_la = xla; jj_lastpos = jj_scanpos = token;
try { return !jj_3_6(); }
catch(LookaheadSuccess ls) { return true; }
finally { jj_save(5, xla); }
}
private boolean jj_3R_6() {
if (jj_scan_token(IDENTIFIER)) return true;
if (jj_scan_token(23)) return true;
if (jj_scan_token(MAP)) return true;
return false;
}
private boolean jj_3_3() {
if (jj_3R_6()) return true;
return false;
}
private boolean jj_3_2() {
if (jj_3R_5()) return true;
return false;
}
private boolean jj_3_6() {
if (jj_3R_6()) return true;
return false;
}
private boolean jj_3_5() {
if (jj_3R_5()) return true;
return false;
}
private boolean jj_3R_4() {
if (jj_scan_token(IDENTIFIER)) return true;
if (jj_scan_token(23)) return true;
if (jj_scan_token(RECORD)) return true;
return false;
}
private boolean jj_3_1() {
if (jj_3R_4()) return true;
return false;
}
private boolean jj_3_4() {
if (jj_3R_4()) return true;
return false;
}
private boolean jj_3R_5() {
if (jj_scan_token(IDENTIFIER)) return true;
if (jj_scan_token(23)) return true;
if (jj_scan_token(COLLECTION)) return true;
return false;
}
/** Generated Token Manager. */
public TableSchemaParserTokenManager token_source;
SimpleCharStream jj_input_stream;
/** Current token. */
public Token token;
/** Next token. */
public Token jj_nt;
private int jj_ntk;
private Token jj_scanpos, jj_lastpos;
private int jj_la;
private int jj_gen;
final private int[] jj_la1 = new int[14];
static private int[] jj_la1_0;
static {
jj_la1_init_0();
}
private static void jj_la1_init_0() {
jj_la1_0 = new int[] {0x3ef80,0x38000,0x6f80,0x400000,0x400000,0x400000,0x800000,0x410000,0x38000,0x6f80,0x4000000,0x4000000,0x4000000,0x1000000,};
}
final private JJCalls[] jj_2_rtns = new JJCalls[6];
private boolean jj_rescan = false;
private int jj_gc = 0;
/** Constructor with InputStream. */
public TableSchemaParser(java.io.InputStream stream) {
this(stream, null);
}
/** Constructor with InputStream and supplied encoding */
public TableSchemaParser(java.io.InputStream stream, String encoding) {
try { jj_input_stream = new SimpleCharStream(stream, encoding, 1, 1); } catch(java.io.UnsupportedEncodingException e) { throw new RuntimeException(e); }
token_source = new TableSchemaParserTokenManager(jj_input_stream);
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 14; i++) jj_la1[i] = -1;
for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
}
/** Reinitialise. */
public void ReInit(java.io.InputStream stream) {
ReInit(stream, null);
}
/** Reinitialise. */
public void ReInit(java.io.InputStream stream, String encoding) {
try { jj_input_stream.ReInit(stream, encoding, 1, 1); } catch(java.io.UnsupportedEncodingException e) { throw new RuntimeException(e); }
token_source.ReInit(jj_input_stream);
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 14; i++) jj_la1[i] = -1;
for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
}
/** Constructor. */
public TableSchemaParser(java.io.Reader stream) {
jj_input_stream = new SimpleCharStream(stream, 1, 1);
token_source = new TableSchemaParserTokenManager(jj_input_stream);
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 14; i++) jj_la1[i] = -1;
for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
}
/** Reinitialise. */
public void ReInit(java.io.Reader stream) {
jj_input_stream.ReInit(stream, 1, 1);
token_source.ReInit(jj_input_stream);
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 14; i++) jj_la1[i] = -1;
for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
}
/** Constructor with generated Token Manager. */
public TableSchemaParser(TableSchemaParserTokenManager tm) {
token_source = tm;
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 14; i++) jj_la1[i] = -1;
for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
}
/** Reinitialise. */
public void ReInit(TableSchemaParserTokenManager tm) {
token_source = tm;
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 14; i++) jj_la1[i] = -1;
for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
}
private Token jj_consume_token(int kind) throws ParseException {
Token oldToken;
if ((oldToken = token).next != null) token = token.next;
else token = token.next = token_source.getNextToken();
jj_ntk = -1;
if (token.kind == kind) {
jj_gen++;
if (++jj_gc > 100) {
jj_gc = 0;
for (int i = 0; i < jj_2_rtns.length; i++) {
JJCalls c = jj_2_rtns[i];
while (c != null) {
if (c.gen < jj_gen) c.first = null;
c = c.next;
}
}
}
return token;
}
token = oldToken;
jj_kind = kind;
throw generateParseException();
}
static private final class LookaheadSuccess extends java.lang.Error { }
final private LookaheadSuccess jj_ls = new LookaheadSuccess();
private boolean jj_scan_token(int kind) {
if (jj_scanpos == jj_lastpos) {
jj_la--;
if (jj_scanpos.next == null) {
jj_lastpos = jj_scanpos = jj_scanpos.next = token_source.getNextToken();
} else {
jj_lastpos = jj_scanpos = jj_scanpos.next;
}
} else {
jj_scanpos = jj_scanpos.next;
}
if (jj_rescan) {
int i = 0; Token tok = token;
while (tok != null && tok != jj_scanpos) { i++; tok = tok.next; }
if (tok != null) jj_add_error_token(kind, i);
}
if (jj_scanpos.kind != kind) return true;
if (jj_la == 0 && jj_scanpos == jj_lastpos) throw jj_ls;
return false;
}
/** Get the next Token. */
final public Token getNextToken() {
if (token.next != null) token = token.next;
else token = token.next = token_source.getNextToken();
jj_ntk = -1;
jj_gen++;
return token;
}
/** Get the specific Token. */
final public Token getToken(int index) {
Token t = token;
for (int i = 0; i < index; i++) {
if (t.next != null) t = t.next;
else t = t.next = token_source.getNextToken();
}
return t;
}
private int jj_ntk() {
if ((jj_nt=token.next) == null)
return (jj_ntk = (token.next=token_source.getNextToken()).kind);
else
return (jj_ntk = jj_nt.kind);
}
private java.util.List jj_expentries = new java.util.ArrayList();
private int[] jj_expentry;
private int jj_kind = -1;
private int[] jj_lasttokens = new int[100];
private int jj_endpos;
private void jj_add_error_token(int kind, int pos) {
if (pos >= 100) return;
if (pos == jj_endpos + 1) {
jj_lasttokens[jj_endpos++] = kind;
} else if (jj_endpos != 0) {
jj_expentry = new int[jj_endpos];
for (int i = 0; i < jj_endpos; i++) {
jj_expentry[i] = jj_lasttokens[i];
}
jj_entries_loop: for (java.util.Iterator it = jj_expentries.iterator(); it.hasNext();) {
int[] oldentry = (int[])(it.next());
if (oldentry.length == jj_expentry.length) {
for (int i = 0; i < jj_expentry.length; i++) {
if (oldentry[i] != jj_expentry[i]) {
continue jj_entries_loop;
}
}
jj_expentries.add(jj_expentry);
break jj_entries_loop;
}
}
if (pos != 0) jj_lasttokens[(jj_endpos = pos) - 1] = kind;
}
}
/** Generate ParseException. */
public ParseException generateParseException() {
jj_expentries.clear();
boolean[] la1tokens = new boolean[27];
if (jj_kind >= 0) {
la1tokens[jj_kind] = true;
jj_kind = -1;
}
for (int i = 0; i < 14; i++) {
if (jj_la1[i] == jj_gen) {
for (int j = 0; j < 32; j++) {
if ((jj_la1_0[i] & (1<<j)) != 0) {
la1tokens[j] = true;
}
}
}
}
for (int i = 0; i < 27; i++) {
if (la1tokens[i]) {
jj_expentry = new int[1];
jj_expentry[0] = i;
jj_expentries.add(jj_expentry);
}
}
jj_endpos = 0;
jj_rescan_token();
jj_add_error_token(0, 0);
int[][] exptokseq = new int[jj_expentries.size()][];
for (int i = 0; i < jj_expentries.size(); i++) {
exptokseq[i] = (int[])jj_expentries.get(i);
}
return new ParseException(token, exptokseq, tokenImage);
}
/** Enable tracing. */
final public void enable_tracing() {
}
/** Disable tracing. */
final public void disable_tracing() {
}
private void jj_rescan_token() {
jj_rescan = true;
for (int i = 0; i < 6; i++) {
try {
JJCalls p = jj_2_rtns[i];
do {
if (p.gen > jj_gen) {
jj_la = p.arg; jj_lastpos = jj_scanpos = p.first;
switch (i) {
case 0: jj_3_1(); break;
case 1: jj_3_2(); break;
case 2: jj_3_3(); break;
case 3: jj_3_4(); break;
case 4: jj_3_5(); break;
case 5: jj_3_6(); break;
}
}
p = p.next;
} while (p != null);
} catch(LookaheadSuccess ls) { }
}
jj_rescan = false;
}
private void jj_save(int index, int xla) {
JJCalls p = jj_2_rtns[index];
while (p.gen > jj_gen) {
if (p.next == null) { p = p.next = new JJCalls(); break; }
p = p.next;
}
p.gen = jj_gen + xla - jj_la; p.first = token; p.arg = xla;
}
static final class JJCalls {
int gen;
Token first;
int arg;
JJCalls next;
}
}