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JPMML Python to PMML converter
/* ExpressionTranslator.java */
/* Generated By:JavaCC: Do not edit this line. ExpressionTranslator.java */
package org.jpmml.python;
import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.Deque;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import com.google.common.collect.Iterables;
import org.dmg.pmml.Apply;
import org.dmg.pmml.Constant;
import org.dmg.pmml.DataType;
import org.dmg.pmml.DerivedField;
import org.dmg.pmml.Expression;
import org.dmg.pmml.FieldRef;
import org.dmg.pmml.PMMLFunctions;
import org.jpmml.converter.ExpressionUtil;
import org.jpmml.converter.Feature;
import org.jpmml.converter.visitors.ExpressionCompactor;
public class ExpressionTranslator extends AbstractTranslator implements PythonParserConstants {
private Deque indents = new ArrayDeque<>();
private Map variableMap = new LinkedHashMap<>();
public ExpressionTranslator(Scope scope){
this(new NullProvider());
setScope(scope);
}
public DerivedField translateDef(String string){
ReInit(new StringProvider(ensureTerminator(string)));
DerivedField derivedField;
try {
derivedField = translateDefInternal();
} catch(ParseException pe){
throw new TranslationException("Python function definition \'" + toSingleLine(string) + "\' is either invalid or not supported", pe);
}
return derivedField;
}
public Expression translateStatement(String string){
return translateStatement(string, true);
}
public Expression translateStatement(String string, boolean compact){
ReInit(new StringProvider(ensureTerminator(string)));
Expression statement;
try {
statement = translateStatementInternal();
} catch(ParseException pe){
throw new TranslationException("Python statement \'" + toSingleLine(string) + "\' is either invalid or not supported", pe);
}
if(compact){
statement = compact(statement);
}
return statement;
}
public Expression translateExpression(String string){
return translateExpression(string, true);
}
public Expression translateExpression(String string, boolean compact){
ReInit(new StringProvider(string));
Expression expression;
try {
expression = translateExpressionInternal();
} catch(ParseException pe){
throw new TranslationException("Python expression \'" + toSingleLine(string) + "\' is either invalid or not supported", pe);
}
if(compact){
expression = compact(expression);
}
return expression;
}
public Constant encodeConstant(String dottedName){
switch(dottedName){
case "math.e":
case "numpy.e":
return ExpressionUtil.createConstant(DataType.DOUBLE, Math.E);
case "numpy.NZERO":
return ExpressionUtil.createConstant(DataType.DOUBLE, -0.0d);
case "math.pi":
case "numpy.pi":
return ExpressionUtil.createConstant(DataType.DOUBLE, Math.PI);
case "numpy.PZERO":
return ExpressionUtil.createConstant(DataType.DOUBLE, 0.0);
case "math.tau":
return ExpressionUtil.createConstant(DataType.DOUBLE, 2 * Math.PI);
default:
break;
}
switch(dottedName){
// Math
case "math.nan":
// Numpy
case "numpy.nan":
case "numpy.NaN":
case "numpy.NAN":
// Pandas
case "pandas.NA":
case "pandas.NaT":
return ExpressionUtil.createMissingConstant();
default:
break;
}
throw new TranslationException("Constant \'" + dottedName + "\' is not supported");
}
private String getIndent() throws ParseException {
Token nextToken = getToken(1);
return PythonParserUtil.getWhitespace(nextToken);
}
private void checkIndent(String indent) throws ParseException {
String expectedIndent = this.indents.peek();
if(!(indent).equals(expectedIndent)){
throw new ParseException("Unexpected indent");
}
}
static
public Expression compact(Expression expression){
ExpressionCompactor expressionCompactor = new ExpressionCompactor();
expressionCompactor.applyTo(expression);
return expression;
}
static
private String translateRelationalOperator(Token operator) throws ParseException {
switch(operator.kind){
case EQUAL:
return PMMLFunctions.EQUAL;
case NOT_EQUAL:
return PMMLFunctions.NOTEQUAL;
case LESS_THAN:
return PMMLFunctions.LESSTHAN;
case LESS_OR_EQUAL:
return PMMLFunctions.LESSOREQUAL;
case GREATER_THAN:
return PMMLFunctions.GREATERTHAN;
case GREATER_OR_EQUAL:
return PMMLFunctions.GREATEROREQUAL;
default:
throw new ParseException();
}
}
static
private String translateArithmeticOperator(Token operator){
switch(operator.kind){
case MODULO:
return PMMLFunctions.MODULO;
default:
return operator.image;
}
}
static
private Apply translateTrailerFunction(Expression expression, String name, List arguments){
if(("startswith").equals(name) || ("endswith").equals(name)){
ClassDictUtil.checkSize(1, arguments);
Expression argument = arguments.get(0);
if(!(argument instanceof Constant)){
throw new IllegalArgumentException();
}
Constant constant = (Constant)argument;
if(constant.getDataType() != DataType.STRING){
throw new IllegalArgumentException();
}
String value = (String)constant.getValue();
switch(name){
case "startswith":
return ExpressionUtil.createApply(PMMLFunctions.EQUAL,
translateStringSlice(expression, 0, value.length()),
constant
);
case "endswith":
return ExpressionUtil.createApply(PMMLFunctions.EQUAL,
translateStringSlice(expression, -value.length(), null),
constant
);
default:
break;
}
} else
if(("lower").equals(name) || ("upper").equals(name)){
ClassDictUtil.checkSize(0, arguments);
switch(name){
case "lower":
return ExpressionUtil.createApply(PMMLFunctions.LOWERCASE, expression);
case "upper":
return ExpressionUtil.createApply(PMMLFunctions.UPPERCASE, expression);
default:
break;
}
} else
if(("strip").equals(name)){
ClassDictUtil.checkSize(0, arguments);
switch(name){
case "strip":
return ExpressionUtil.createApply(PMMLFunctions.TRIMBLANKS, expression);
default:
break;
}
}
throw new TranslationException("Function \'" + name + "\' is not supported");
}
static
private Expression translateStringSlice(Expression expression, Integer startPos, Integer stopPos){
if(startPos == null && stopPos == null){
return expression;
}
Expression offsetExpression;
if(startPos != null && startPos >= 0){
offsetExpression = ExpressionUtil.createConstant(DataType.INTEGER, startPos + 1);
} else
if(startPos != null && startPos < 0){
offsetExpression = ExpressionUtil.createApply(PMMLFunctions.MAX,
ExpressionUtil.createApply(PMMLFunctions.SUBTRACT,
ExpressionUtil.createApply(PMMLFunctions.STRINGLENGTH, expression),
ExpressionUtil.createConstant(DataType.INTEGER, (-startPos) - 1)
),
ExpressionUtil.createConstant(DataType.INTEGER, 1)
);
} else
{
offsetExpression = ExpressionUtil.createConstant(DataType.INTEGER, 1);
} // End if
Expression lengthExpression;
if(stopPos != null && stopPos >= 0){
if(startPos != null && startPos >= 0){
lengthExpression = ExpressionUtil.createConstant(DataType.INTEGER, Math.max(stopPos - startPos, 0));
} else
if(startPos != null && startPos < 0){
lengthExpression = ExpressionUtil.createConstant(DataType.INTEGER, 0);
} else
{
lengthExpression = ExpressionUtil.createConstant(DataType.INTEGER, stopPos);
}
} else
if(stopPos != null && stopPos < 0){
if(startPos != null && startPos >= 0){
lengthExpression = ExpressionUtil.createApply(PMMLFunctions.MAX,
ExpressionUtil.createApply(PMMLFunctions.SUBTRACT,
ExpressionUtil.createApply(PMMLFunctions.STRINGLENGTH, expression),
ExpressionUtil.createConstant(DataType.INTEGER, startPos + (-stopPos))
),
ExpressionUtil.createConstant(DataType.INTEGER, 0)
);
} else
if(startPos != null && startPos < 0){
lengthExpression = ExpressionUtil.createConstant(DataType.INTEGER, Math.max(stopPos - startPos, 0));
} else
{
lengthExpression = ExpressionUtil.createApply(PMMLFunctions.MAX,
ExpressionUtil.createApply(PMMLFunctions.SUBTRACT,
ExpressionUtil.createApply(PMMLFunctions.STRINGLENGTH, expression),
ExpressionUtil.createConstant(DataType.INTEGER, -stopPos)
),
ExpressionUtil.createConstant(DataType.INTEGER, 0)
);
}
} else
{
lengthExpression = ExpressionUtil.createConstant(DataType.INTEGER, Integer.MAX_VALUE);
}
return ExpressionUtil.createApply(PMMLFunctions.SUBSTRING, expression, offsetExpression, lengthExpression);
}
static
private String ensureTerminator(String string){
if(string.endsWith("\n")){
if(!string.endsWith("\n\n")){
string += "\n";
}
}
return string;
}
static
private Expression getOnlyStatement(List statements){
for(int i = 0; i < statements.size(); i++){
Expression statement = statements.get(i);
if(statement != null){
statements = statements.subList(i, statements.size());
break;
}
}
return Iterables.getOnlyElement(statements);
}
static
private class Block extends ArrayList {
private Block(List statements){
super(statements);
}
}
final private Token String() throws ParseException {Token token;
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case STRING:{
token = jj_consume_token(STRING);
break;
}
case MULTILINE_STRING:{
token = jj_consume_token(MULTILINE_STRING);
break;
}
default:
jj_la1[0] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
return token;
}
final private Token Sign() throws ParseException {Token token;
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case PLUS:{
token = jj_consume_token(PLUS);
break;
}
case MINUS:{
token = jj_consume_token(MINUS);
break;
}
default:
jj_la1[1] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
return token;
}
final private int ColumnIndex() throws ParseException {Token sign = null;
Token column;
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case PLUS:
case MINUS:{
sign = Sign();
break;
}
default:
jj_la1[2] = jj_gen;
;
}
column = jj_consume_token(INT);
return PythonParserUtil.parseInt(sign, column);
}
final private int ArrayColumnIndex() throws ParseException {int columnIndex;
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case COLON:{
jj_consume_token(COLON);
jj_consume_token(COMMA);
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case LBRACKET:{
jj_consume_token(LBRACKET);
columnIndex = ColumnIndex();
jj_consume_token(RBRACKET);
break;
}
case PLUS:
case MINUS:
case INT:{
columnIndex = ColumnIndex();
break;
}
default:
jj_la1[3] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
break;
}
case PLUS:
case MINUS:
case INT:{
columnIndex = ColumnIndex();
break;
}
default:
jj_la1[4] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
return columnIndex;
}
final private String ColumnName() throws ParseException {Token column;
column = String();
return PythonParserUtil.parseString(column);
}
final private String DottedName() throws ParseException {Token name;
StringBuilder sb = new StringBuilder();
name = jj_consume_token(NAME);
sb.append(name.image);
label_1:
while (true) {
if (jj_2_1(2147483647)) {
;
} else {
break label_1;
}
jj_consume_token(DOT);
name = jj_consume_token(NAME);
sb.append('.').append(name.image);
}
return sb.toString();
}
final private String CanonicalizedDottedName() throws ParseException {String dottedName;
dottedName = DottedName();
return canonicalizeDottedName(dottedName);
}
final private DerivedField translateDefInternal() throws ParseException {DerivedField derivedField;
derivedField = Def();
label_2:
while (true) {
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case NEWLINE:{
;
break;
}
default:
jj_la1[5] = jj_gen;
break label_2;
}
jj_consume_token(NEWLINE);
}
jj_consume_token(0);
return derivedField;
}
final private Expression translateStatementInternal() throws ParseException {Expression expression;
expression = Statement();
label_3:
while (true) {
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case NEWLINE:{
;
break;
}
default:
jj_la1[6] = jj_gen;
break label_3;
}
jj_consume_token(NEWLINE);
}
jj_consume_token(0);
return expression;
}
final private Expression translateExpressionInternal() throws ParseException {Expression expression;
expression = Expression();
jj_consume_token(0);
return expression;
}
final private DerivedField Def() throws ParseException {Token name;
List parameters;
Block block;
this.variableMap.clear();
jj_consume_token(DEF);
name = jj_consume_token(NAME);
parameters = Parameters();
jj_consume_token(COLON);
block = Block();
this.variableMap.clear();
return createDerivedField(name.image, getOnlyStatement(block));
}
final private List Parameters() throws ParseException {Token name;
List names = new ArrayList();
if (jj_2_2(2147483647)) {
jj_consume_token(LPAREN);
jj_consume_token(RPAREN);
} else {
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case LPAREN:{
jj_consume_token(LPAREN);
name = jj_consume_token(NAME);
names.add(name);
label_4:
while (true) {
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case COMMA:{
;
break;
}
default:
jj_la1[7] = jj_gen;
break label_4;
}
jj_consume_token(COMMA);
name = jj_consume_token(NAME);
names.add(name);
}
jj_consume_token(RPAREN);
break;
}
default:
jj_la1[8] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
}
return names;
}
final private Block Block() throws ParseException {List statements;
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case NEWLINE:{
label_5:
while (true) {
jj_consume_token(NEWLINE);
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case NEWLINE:{
;
break;
}
default:
jj_la1[9] = jj_gen;
break label_5;
}
}
Indent();
statements = Statements();
Dedent();
break;
}
case LPAREN:
case NOT:
case PLUS:
case MINUS:
case FALSE:
case NONE:
case TRUE:
case IMPORT:
case RETURN:
case INT:
case FLOAT:
case NAME:
case STRING:
case MULTILINE_STRING:{
statements = SimpleStatements();
break;
}
default:
jj_la1[10] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
return new Block(statements);
}
private void Indent() throws ParseException {String indent = getIndent();
if(!this.indents.isEmpty()){
String prevIndent = this.indents.peek();
if(!(indent).startsWith(prevIndent)){
throw new ParseException();
}
}
this.indents.push(indent);
}
private void Dedent() throws ParseException {this.indents.pop();
}
final private List Statements() throws ParseException {Expression statement;
List statements = new ArrayList<>();
label_6:
while (true) {
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case NEWLINE:{
jj_consume_token(NEWLINE);
break;
}
case LPAREN:
case NOT:
case PLUS:
case MINUS:
case FALSE:
case NONE:
case TRUE:
case IF:
case IMPORT:
case RETURN:
case INT:
case FLOAT:
case NAME:
case STRING:
case MULTILINE_STRING:{
statement = Statement();
statements.add(statement);
break;
}
default:
jj_la1[11] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case NEWLINE:
case LPAREN:
case NOT:
case PLUS:
case MINUS:
case FALSE:
case NONE:
case TRUE:
case IF:
case IMPORT:
case RETURN:
case INT:
case FLOAT:
case NAME:
case STRING:
case MULTILINE_STRING:{
;
break;
}
default:
jj_la1[12] = jj_gen;
break label_6;
}
}
return statements;
}
final private Expression Statement() throws ParseException {Expression statement;
List statements;
String indent = getIndent();
checkIndent(indent);
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case IF:{
statement = CompoundStatement();
break;
}
case LPAREN:
case NOT:
case PLUS:
case MINUS:
case FALSE:
case NONE:
case TRUE:
case IMPORT:
case RETURN:
case INT:
case FLOAT:
case NAME:
case STRING:
case MULTILINE_STRING:{
statements = SimpleStatements();
statement = getOnlyStatement(statements);
break;
}
default:
jj_la1[13] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
return statement;
}
final private Expression CompoundStatement() throws ParseException {Expression statement;
statement = IfStatement();
return statement;
}
final private List SimpleStatements() throws ParseException {Expression statement;
List statements = new ArrayList<>();
statement = SimpleStatement();
statements.add(statement);
label_7:
while (true) {
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case SEMICOLON:{
;
break;
}
default:
jj_la1[14] = jj_gen;
break label_7;
}
jj_consume_token(SEMICOLON);
statement = SimpleStatement();
statements.add(statement);
}
jj_consume_token(NEWLINE);
return statements;
}
final private Expression SimpleStatement() throws ParseException {Expression expression;
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case LPAREN:
case NOT:
case PLUS:
case MINUS:
case FALSE:
case NONE:
case TRUE:
case INT:
case FLOAT:
case NAME:
case STRING:
case MULTILINE_STRING:{
expression = Assignment();
break;
}
case RETURN:{
expression = ReturnStatement();
break;
}
case IMPORT:{
expression = ImportStatement();
break;
}
default:
jj_la1[15] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
return expression;
}
final private Apply IfStatement() throws ParseException {Expression condition;
Block block;
Apply if_statement;
Apply elif_statement;
Apply tail;
jj_consume_token(IF);
condition = Expression();
jj_consume_token(COLON);
block = Block();
if_statement = ExpressionUtil.createApply(PMMLFunctions.IF, condition, getOnlyStatement(block)); tail = if_statement;
label_8:
while (true) {
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case ELIF:{
;
break;
}
default:
jj_la1[16] = jj_gen;
break label_8;
}
elif_statement = ElIfStatement();
tail.addExpressions(elif_statement); tail = elif_statement;
}
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case ELSE:{
block = ElseBlock();
tail.addExpressions(getOnlyStatement(block));
break;
}
default:
jj_la1[17] = jj_gen;
;
}
return if_statement;
}
final private Apply ElIfStatement() throws ParseException {Expression condition;
Block block;
jj_consume_token(ELIF);
condition = Expression();
jj_consume_token(COLON);
block = Block();
return ExpressionUtil.createApply(PMMLFunctions.IF, condition, getOnlyStatement(block));
}
final private Block ElseBlock() throws ParseException {Block block;
jj_consume_token(ELSE);
jj_consume_token(COLON);
block = Block();
return block;
}
final private Expression Assignment() throws ParseException {Token name;
Expression expression;
if (jj_2_3(2147483647)) {
name = jj_consume_token(NAME);
jj_consume_token(ASSIGN);
} else {
name = null;
}
expression = Expression();
if(name != null){
if(expression instanceof FieldRef){
FieldRef fieldRef = (FieldRef)expression;
this.variableMap.put(name.image, fieldRef);
return null;
}
DerivedField derivedField = createDerivedField(name.image, expression);
}
return null;
}
final private Expression ReturnStatement() throws ParseException {Expression expression;
jj_consume_token(RETURN);
expression = Expression();
return expression;
}
final private Expression ImportStatement() throws ParseException {
jj_consume_token(IMPORT);
DottedAsName();
label_9:
while (true) {
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case COMMA:{
;
break;
}
default:
jj_la1[18] = jj_gen;
break label_9;
}
jj_consume_token(COMMA);
DottedAsName();
}
return null;
}
final private void DottedAsName() throws ParseException {String dottedName;
Token name = null;
dottedName = DottedName();
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case AS:{
jj_consume_token(AS);
name = jj_consume_token(NAME);
break;
}
default:
jj_la1[19] = jj_gen;
;
}
Map moduleImports = getModuleImports();
moduleImports.put(name != null ? name.image : dottedName, dottedName);
}
final private Expression Expression() throws ParseException {Expression expression;
expression = IfElseExpression();
return expression;
}
final private Expression IfElseExpression() throws ParseException {Expression left;
Expression center;
Expression right;
left = LogicalOrExpression();
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case IF:{
jj_consume_token(IF);
center = Expression();
jj_consume_token(ELSE);
right = Expression();
left = ExpressionUtil.createApply(PMMLFunctions.IF, center, left, right);
break;
}
default:
jj_la1[20] = jj_gen;
;
}
return left;
}
final private Expression LogicalOrExpression() throws ParseException {Expression left;
Expression right;
left = LogicalAndExpression();
label_10:
while (true) {
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case OR:{
;
break;
}
default:
jj_la1[21] = jj_gen;
break label_10;
}
jj_consume_token(OR);
right = LogicalAndExpression();
left = ExpressionUtil.createApply(PMMLFunctions.OR, left, right);
}
return left;
}
final private Expression LogicalAndExpression() throws ParseException {Expression left;
Expression right;
left = NegationExpression();
label_11:
while (true) {
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case AND:{
;
break;
}
default:
jj_la1[22] = jj_gen;
break label_11;
}
jj_consume_token(AND);
right = NegationExpression();
left = ExpressionUtil.createApply(PMMLFunctions.AND, left, right);
}
return left;
}
final private Expression NegationExpression() throws ParseException {Token operator = null;
Expression expression;
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case NOT:{
operator = jj_consume_token(NOT);
break;
}
default:
jj_la1[23] = jj_gen;
;
}
expression = ComparisonExpression();
if(operator != null){
return ExpressionUtil.createApply(PMMLFunctions.NOT, expression);
}
return expression;
}
final private Expression ComparisonExpression() throws ParseException {Expression left;
Token operator;
Object right;
left = AdditiveExpression();
if (jj_2_4(2147483647)) {
jj_consume_token(IS);
jj_consume_token(NONE);
left = ExpressionUtil.createApply(PMMLFunctions.ISMISSING, left);
} else {
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case IS:{
jj_consume_token(IS);
jj_consume_token(NOT);
jj_consume_token(NONE);
left = ExpressionUtil.createApply(PMMLFunctions.ISNOTMISSING, left);
break;
}
case IN:{
jj_consume_token(IN);
right = ListMakerExpression();
left = ExpressionUtil.createApply(PMMLFunctions.ISIN, left).addExpressions((Expression[])right);
break;
}
case NOT:{
jj_consume_token(NOT);
jj_consume_token(IN);
right = ListMakerExpression();
left = ExpressionUtil.createApply(PMMLFunctions.ISNOTIN, left).addExpressions((Expression[])right);
break;
}
default:
jj_la1[26] = jj_gen;
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case EQUAL:
case NOT_EQUAL:
case LESS_THAN:
case LESS_OR_EQUAL:
case GREATER_THAN:
case GREATER_OR_EQUAL:{
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case EQUAL:{
operator = jj_consume_token(EQUAL);
break;
}
case NOT_EQUAL:{
operator = jj_consume_token(NOT_EQUAL);
break;
}
case LESS_THAN:{
operator = jj_consume_token(LESS_THAN);
break;
}
case LESS_OR_EQUAL:{
operator = jj_consume_token(LESS_OR_EQUAL);
break;
}
case GREATER_THAN:{
operator = jj_consume_token(GREATER_THAN);
break;
}
case GREATER_OR_EQUAL:{
operator = jj_consume_token(GREATER_OR_EQUAL);
break;
}
default:
jj_la1[24] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
right = AdditiveExpression();
left = ExpressionUtil.createApply(translateRelationalOperator(operator), left, (Expression)right);
break;
}
default:
jj_la1[25] = jj_gen;
;
}
}
}
return left;
}
final private Expression AdditiveExpression() throws ParseException {Expression left;
Token operator;
Expression right;
left = MultiplicativeExpression();
label_12:
while (true) {
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case PLUS:
case MINUS:{
;
break;
}
default:
jj_la1[27] = jj_gen;
break label_12;
}
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case PLUS:{
operator = jj_consume_token(PLUS);
break;
}
case MINUS:{
operator = jj_consume_token(MINUS);
break;
}
default:
jj_la1[28] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
right = MultiplicativeExpression();
if((operator.kind == PLUS) && (ExpressionUtil.isString(left, this) && ExpressionUtil.isString(right, this))){
left = ExpressionUtil.createApply(PMMLFunctions.CONCAT, left, right);
} else
{
left = ExpressionUtil.createApply(translateArithmeticOperator(operator), left, right);
}
}
return left;
}
final private Expression MultiplicativeExpression() throws ParseException {Expression left;
Token operator;
Expression right;
left = UnaryExpression();
label_13:
while (true) {
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case MULTIPLY:
case DIVIDE:
case MODULO:{
;
break;
}
default:
jj_la1[29] = jj_gen;
break label_13;
}
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case MULTIPLY:{
operator = jj_consume_token(MULTIPLY);
break;
}
case DIVIDE:{
operator = jj_consume_token(DIVIDE);
break;
}
case MODULO:{
operator = jj_consume_token(MODULO);
break;
}
default:
jj_la1[30] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
right = UnaryExpression();
left = ExpressionUtil.createApply(translateArithmeticOperator(operator), left, right);
}
return left;
}
final private Expression UnaryExpression() throws ParseException {Token sign = null;
Expression expression;
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case PLUS:
case MINUS:{
sign = Sign();
expression = UnaryExpression();
break;
}
case LPAREN:
case FALSE:
case NONE:
case TRUE:
case INT:
case FLOAT:
case NAME:
case STRING:
case MULTILINE_STRING:{
expression = PowerExpression();
break;
}
default:
jj_la1[31] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
if(sign != null && sign.kind == MINUS){
expression = ExpressionUtil.toNegative(expression);
}
return expression;
}
final private Expression PowerExpression() throws ParseException {Expression left;
Expression right;
left = PrimaryExpression();
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case POWER:{
jj_consume_token(POWER);
right = UnaryExpression();
left = ExpressionUtil.createApply(PMMLFunctions.POW, left, right);
break;
}
default:
jj_la1[32] = jj_gen;
;
}
return left;
}
final private Expression PrimaryExpression() throws ParseException {String dottedName;
Expression expression;
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case NAME:{
dottedName = CanonicalizedDottedName();
if (jj_2_5(2147483647)) {
expression = ArrayIndexingExpression(dottedName);
label_14:
while (true) {
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case LBRACKET:
case DOT:{
;
break;
}
default:
jj_la1[33] = jj_gen;
break label_14;
}
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case DOT:{
expression = TrailerFunctionInvocationExpression(expression);
break;
}
case LBRACKET:{
expression = StringSlicingExpression(expression);
break;
}
default:
jj_la1[34] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
}
} else {
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case LPAREN:{
expression = FunctionInvocationExpression(dottedName);
label_15:
while (true) {
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case LBRACKET:
case DOT:{
;
break;
}
default:
jj_la1[35] = jj_gen;
break label_15;
}
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case DOT:{
expression = TrailerFunctionInvocationExpression(expression);
break;
}
case LBRACKET:{
expression = StringSlicingExpression(expression);
break;
}
default:
jj_la1[36] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
}
break;
}
default:
jj_la1[40] = jj_gen;
expression = NameInvocationExpression(dottedName);
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case LBRACKET:{
expression = StringSlicingExpression(expression);
label_16:
while (true) {
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case LBRACKET:
case DOT:{
;
break;
}
default:
jj_la1[37] = jj_gen;
break label_16;
}
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case DOT:{
expression = TrailerFunctionInvocationExpression(expression);
break;
}
case LBRACKET:{
expression = StringSlicingExpression(expression);
break;
}
default:
jj_la1[38] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
}
break;
}
default:
jj_la1[39] = jj_gen;
;
}
}
}
break;
}
case LPAREN:{
expression = ParenthesizedExpression();
label_17:
while (true) {
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case LBRACKET:
case DOT:{
;
break;
}
default:
jj_la1[41] = jj_gen;
break label_17;
}
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case DOT:{
expression = TrailerFunctionInvocationExpression(expression);
break;
}
case LBRACKET:{
expression = StringSlicingExpression(expression);
break;
}
default:
jj_la1[42] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
}
break;
}
case FALSE:
case NONE:
case TRUE:
case INT:
case FLOAT:
case STRING:
case MULTILINE_STRING:{
expression = LiteralExpression();
break;
}
default:
jj_la1[43] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
return expression;
}
final private FieldRef ArrayIndexingExpression(String dottedName) throws ParseException {Scope scope = ensureScope();
int colIndex;
String colName;
Feature feature;
if (jj_2_6(2147483647)) {
jj_consume_token(LBRACKET);
colIndex = ArrayColumnIndex();
jj_consume_token(RBRACKET);
feature = scope.getFeature(dottedName, colIndex);
} else {
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case LBRACKET:{
jj_consume_token(LBRACKET);
colName = ColumnName();
jj_consume_token(RBRACKET);
feature = scope.getFeature(dottedName, colName);
break;
}
default:
jj_la1[44] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
}
return feature.ref();
}
final private Expression FunctionInvocationExpression(String dottedName) throws ParseException {Scope scope = ensureScope();
List arguments;
arguments = Arguments();
int dot = dottedName.lastIndexOf('.');
if(dot > -1){
String featureName = dottedName.substring(0, dot);
String functionName = dottedName.substring(dot + 1);
Feature feature = scope.resolveFeature(featureName);
if(feature != null){
return translateTrailerFunction(feature.ref(), functionName, arguments);
}
}
return encodeFunction(dottedName, arguments);
}
final private Apply TrailerFunctionInvocationExpression(Expression expression) throws ParseException {Token name;
List arguments;
jj_consume_token(DOT);
name = jj_consume_token(NAME);
arguments = Arguments();
return translateTrailerFunction(expression, name.image, arguments);
}
final private List Arguments() throws ParseException {Expression expression;
List expressions = new ArrayList();
if (jj_2_7(2147483647)) {
jj_consume_token(LPAREN);
jj_consume_token(RPAREN);
} else {
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case LPAREN:{
jj_consume_token(LPAREN);
expression = Expression();
expressions.add(expression);
label_18:
while (true) {
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case COMMA:{
;
break;
}
default:
jj_la1[45] = jj_gen;
break label_18;
}
jj_consume_token(COMMA);
expression = Expression();
expressions.add(expression);
}
jj_consume_token(RPAREN);
break;
}
default:
jj_la1[46] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
}
return expressions;
}
final private Expression StringSlicingExpression(Expression expression) throws ParseException {Integer startPos = null;
Integer stopPos = null;
jj_consume_token(LBRACKET);
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case PLUS:
case MINUS:
case INT:{
startPos = ColumnIndex();
break;
}
default:
jj_la1[47] = jj_gen;
;
}
jj_consume_token(COLON);
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case PLUS:
case MINUS:
case INT:{
stopPos = ColumnIndex();
break;
}
default:
jj_la1[48] = jj_gen;
;
}
jj_consume_token(RBRACKET);
return translateStringSlice(expression, startPos, stopPos);
}
final private Expression NameInvocationExpression(String dottedName) throws ParseException {Scope scope = ensureScope();
int dot = dottedName.indexOf('.');
if(dot > -1){
return encodeConstant(dottedName);
}
FieldRef fieldRef = this.variableMap.get(dottedName);
if(fieldRef != null){
return fieldRef;
}
Feature feature = scope.getFeature(dottedName);
return feature.ref();
}
final private Expression ParenthesizedExpression() throws ParseException {Expression expression;
jj_consume_token(LPAREN);
expression = Expression();
jj_consume_token(RPAREN);
return expression;
}
final private Constant LiteralExpression() throws ParseException {Token value;
DataType dataType;
Boolean missing = null;
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case NONE:{
value = jj_consume_token(NONE);
dataType = null; missing = Boolean.TRUE;
break;
}
case FALSE:{
value = jj_consume_token(FALSE);
dataType = DataType.BOOLEAN;
break;
}
case TRUE:{
value = jj_consume_token(TRUE);
dataType = DataType.BOOLEAN;
break;
}
case INT:{
value = jj_consume_token(INT);
dataType = DataType.INTEGER;
break;
}
case FLOAT:{
value = jj_consume_token(FLOAT);
dataType = DataType.DOUBLE;
break;
}
case STRING:
case MULTILINE_STRING:{
value = String();
dataType = DataType.STRING;
break;
}
default:
jj_la1[49] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
Constant constant = new Constant()
.setValue(PythonParserUtil.parseValue(value))
.setDataType(dataType)
.setMissing(missing);
return constant;
}
final private Expression[] ListMakerExpression() throws ParseException {Expression expression;
List expressions = new ArrayList();
jj_consume_token(LBRACKET);
expression = Expression();
expressions.add(expression);
label_19:
while (true) {
switch ((jj_ntk==-1)?jj_ntk_f():jj_ntk) {
case COMMA:{
;
break;
}
default:
jj_la1[50] = jj_gen;
break label_19;
}
jj_consume_token(COMMA);
expression = Expression();
expressions.add(expression);
}
jj_consume_token(RBRACKET);
return expressions.toArray(new Expression[expressions.size()]);
}
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_2_7(int xla)
{
jj_la = xla; jj_lastpos = jj_scanpos = token;
try { return (!jj_3_7()); }
catch(LookaheadSuccess ls) { return true; }
finally { jj_save(6, xla); }
}
private boolean jj_3R_ArrayIndexingExpression_1159_9_20()
{
Token xsp;
xsp = jj_scanpos;
if (jj_3R_ArrayIndexingExpression_1160_17_22()) {
jj_scanpos = xsp;
if (jj_3R_ArrayIndexingExpression_1165_17_23()) return true;
}
return false;
}
private boolean jj_3_5()
{
if (jj_3R_ArrayIndexingExpression_1159_9_20()) return true;
return false;
}
private boolean jj_3R_ColumnIndex_591_10_31()
{
if (jj_3R_Sign_574_9_32()) return true;
return false;
}
private boolean jj_3R_ColumnIndex_591_9_29()
{
Token xsp;
xsp = jj_scanpos;
if (jj_3R_ColumnIndex_591_10_31()) jj_scanpos = xsp;
if (jj_scan_token(INT)) return true;
return false;
}
private boolean jj_3_1()
{
if (jj_scan_token(DOT)) return true;
if (jj_scan_token(NAME)) return true;
return false;
}
private boolean jj_3_2()
{
if (jj_scan_token(LPAREN)) return true;
if (jj_scan_token(RPAREN)) return true;
return false;
}
private boolean jj_3R_ArrayColumnIndex_604_86_28()
{
if (jj_3R_ColumnIndex_591_9_29()) return true;
return false;
}
private boolean jj_3_3()
{
if (jj_scan_token(NAME)) return true;
if (jj_scan_token(ASSIGN)) return true;
return false;
}
private boolean jj_3_4()
{
if (jj_scan_token(IS)) return true;
if (jj_scan_token(NONE)) return true;
return false;
}
private boolean jj_3R_ArrayColumnIndex_604_34_27()
{
if (jj_scan_token(LBRACKET)) return true;
if (jj_3R_ColumnIndex_591_9_29()) return true;
if (jj_scan_token(RBRACKET)) return true;
return false;
}
private boolean jj_3_7()
{
if (jj_scan_token(LPAREN)) return true;
if (jj_scan_token(RPAREN)) return true;
return false;
}
private boolean jj_3R_Sign_574_9_32()
{
Token xsp;
xsp = jj_scanpos;
if (jj_scan_token(16)) {
jj_scanpos = xsp;
if (jj_scan_token(17)) return true;
}
return false;
}
private boolean jj_3R_ColumnName_619_9_26()
{
if (jj_3R_String_558_9_30()) return true;
return false;
}
private boolean jj_3R_ArrayColumnIndex_606_17_25()
{
if (jj_3R_ColumnIndex_591_9_29()) return true;
return false;
}
private boolean jj_3_6()
{
if (jj_scan_token(LBRACKET)) return true;
if (jj_3R_ArrayColumnIndex_603_9_21()) return true;
return false;
}
private boolean jj_3R_ArrayColumnIndex_604_17_24()
{
if (jj_scan_token(COLON)) return true;
if (jj_scan_token(COMMA)) return true;
Token xsp;
xsp = jj_scanpos;
if (jj_3R_ArrayColumnIndex_604_34_27()) {
jj_scanpos = xsp;
if (jj_3R_ArrayColumnIndex_604_86_28()) return true;
}
return false;
}
private boolean jj_3R_ArrayIndexingExpression_1165_17_23()
{
if (jj_scan_token(LBRACKET)) return true;
if (jj_3R_ColumnName_619_9_26()) return true;
if (jj_scan_token(RBRACKET)) return true;
return false;
}
private boolean jj_3R_String_558_9_30()
{
Token xsp;
xsp = jj_scanpos;
if (jj_scan_token(44)) {
jj_scanpos = xsp;
if (jj_scan_token(45)) return true;
}
return false;
}
private boolean jj_3R_ArrayIndexingExpression_1160_17_22()
{
if (jj_scan_token(LBRACKET)) return true;
if (jj_3R_ArrayColumnIndex_603_9_21()) return true;
if (jj_scan_token(RBRACKET)) return true;
return false;
}
private boolean jj_3R_ArrayColumnIndex_603_9_21()
{
Token xsp;
xsp = jj_scanpos;
if (jj_3R_ArrayColumnIndex_604_17_24()) {
jj_scanpos = xsp;
if (jj_3R_ArrayColumnIndex_606_17_25()) return true;
}
return false;
}
/** Generated Token Manager. */
public PythonParserTokenManager 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[51];
static private int[] jj_la1_0;
static private int[] jj_la1_1;
static {
jj_la1_init_0();
jj_la1_init_1();
}
private static void jj_la1_init_0() {
jj_la1_0 = new int[] {0x0,0x30000,0x30000,0x830000,0x8030000,0x8,0x8,0x2000000,0x10,0x8,0xe0030118,0xe0030118,0xe0030118,0xe0030110,0x10000000,0xe0030110,0x0,0x0,0x2000000,0x0,0x0,0x40,0x80,0x100,0x7e00,0x7e00,0x100,0x30000,0x30000,0x1c0000,0x1c0000,0xe0030010,0x400000,0x4800000,0x4800000,0x4800000,0x4800000,0x4800000,0x4800000,0x800000,0x10,0x4800000,0x4800000,0xe0000010,0x800000,0x2000000,0x10,0x30000,0x30000,0xe0000000,0x2000000,};
}
private static void jj_la1_init_1() {
jj_la1_1 = new int[] {0x3000,0x0,0x0,0x200,0x200,0x0,0x0,0x0,0x0,0x0,0x3f20,0x3f30,0x3f30,0x3f30,0x0,0x3f20,0x4,0x8,0x0,0x1,0x10,0x0,0x0,0x0,0x0,0x0,0xc0,0x0,0x0,0x0,0x0,0x3e00,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x3e00,0x0,0x0,0x0,0x200,0x200,0x3600,0x0,};
}
final private JJCalls[] jj_2_rtns = new JJCalls[7];
private boolean jj_rescan = false;
private int jj_gc = 0;
/** Constructor. */
public ExpressionTranslator(Provider stream) {
jj_input_stream = new SimpleCharStream(stream, 1, 1);
token_source = new PythonParserTokenManager(jj_input_stream);
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 51; i++) jj_la1[i] = -1;
for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
}
/** Constructor. */
public ExpressionTranslator(String dsl) throws ParseException, TokenMgrException {
this(new StringProvider(dsl));
}
public void ReInit(String s) {
ReInit(new StringProvider(s));
}
/** Reinitialise. */
public void ReInit(Provider stream) {
if (jj_input_stream == null) {
jj_input_stream = new SimpleCharStream(stream, 1, 1);
} else {
jj_input_stream.ReInit(stream, 1, 1);
}
if (token_source == null) {
token_source = new PythonParserTokenManager(jj_input_stream);
}
token_source.ReInit(jj_input_stream);
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 51; 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 ExpressionTranslator(PythonParserTokenManager tm) {
token_source = tm;
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 51; 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(PythonParserTokenManager tm) {
token_source = tm;
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 51; 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();
}
@SuppressWarnings("serial")
static private final class LookaheadSuccess extends java.lang.RuntimeException {
@Override
public Throwable fillInStackTrace() {
return this;
}
}
static private final 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_f() {
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];
}
for (int[] oldentry : jj_expentries) {
if (oldentry.length == jj_expentry.length) {
boolean isMatched = true;
for (int i = 0; i < jj_expentry.length; i++) {
if (oldentry[i] != jj_expentry[i]) {
isMatched = false;
break;
}
}
if (isMatched) {
jj_expentries.add(jj_expentry);
break;
}
}
}
if (pos != 0) {
jj_lasttokens[(jj_endpos = pos) - 1] = kind;
}
}
}
/** Generate ParseException. */
public ParseException generateParseException() {
jj_expentries.clear();
boolean[] la1tokens = new boolean[50];
if (jj_kind >= 0) {
la1tokens[jj_kind] = true;
jj_kind = -1;
}
for (int i = 0; i < 51; i++) {
if (jj_la1[i] == jj_gen) {
for (int j = 0; j < 32; j++) {
if ((jj_la1_0[i] & (1< 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;
case 6: jj_3_7(); 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;
}
}
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