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LUCENE-5334: Add Namespaces to Expressions Javascript Compiler 

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1540187 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Ryan Ernst 2013-11-08 21:10:27 +00:00
parent 353c7cede5
commit 6d07d45aee
8 changed files with 408 additions and 309 deletions
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2
lucene/CHANGES.txt
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@ -74,7 +74,7 @@ New Features
String is too restrictive (Robert Muir, Shai Erera, Mike
McCandless)
* LUCENE-5207: Added expressions module for customizing ranking
* LUCENE-5207, LUCENE-5334: Added expressions module for customizing ranking
with script-like syntax.
(Jack Conradson, Ryan Ernst, Uwe Schindler via Robert Muir)

9
lucene/expressions/src/java/org/apache/lucene/expressions/js/Javascript.g
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@ -309,11 +309,11 @@ unary_operator
postfix
: primary
| ID arguments -> ^(AT_CALL ID arguments?)
| NAMESPACE_ID arguments -> ^(AT_CALL NAMESPACE_ID arguments?)
;
primary
: ID
: NAMESPACE_ID
| numeric
| AT_LPAREN! conditional AT_RPAREN!
;
@ -330,6 +330,11 @@ numeric
// * Lexer Rules
// ***********************************************************************
NAMESPACE_ID
: ID (AT_DOT ID)*
;
fragment
ID
: ('a'..'z'|'A'..'Z'|'_') ('a'..'z'|'A'..'Z'|'0'..'9'|'_')*
;

7
lucene/expressions/src/java/org/apache/lucene/expressions/js/Javascript.tokens
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@ -34,9 +34,10 @@ EXPONENT=36
HEX=37
HEXDIGIT=38
ID=39
OCTAL=40
OCTALDIGIT=41
WS=42
NAMESPACE_ID=40
OCTAL=41
OCTALDIGIT=42
WS=43
'!'=13
'!='=23
'%'=28

2
lucene/expressions/src/java/org/apache/lucene/expressions/js/JavascriptCompiler.java
View File

@ -253,7 +253,7 @@ public class JavascriptCompiler {
gen.cast(Type.DOUBLE_TYPE, expected);
break;
case JavascriptParser.ID:
case JavascriptParser.NAMESPACE_ID:
int index;
if (externalsMap.containsKey(text)) {

545
lucene/expressions/src/java/org/apache/lucene/expressions/js/JavascriptLexer.java
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File diff suppressed because it is too large Load Diff

98
lucene/expressions/src/java/org/apache/lucene/expressions/js/JavascriptParser.java
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@ -22,7 +22,8 @@ class JavascriptParser extends Parser {
"AT_COMP_GT", "AT_COMP_GTE", "AT_COMP_LT", "AT_COMP_LTE", "AT_COMP_NEQ",
"AT_COND_QUE", "AT_DIVIDE", "AT_DOT", "AT_LPAREN", "AT_MODULO", "AT_MULTIPLY",
"AT_NEGATE", "AT_RPAREN", "AT_SUBTRACT", "DECIMAL", "DECIMALDIGIT", "DECIMALINTEGER",
"EXPONENT", "HEX", "HEXDIGIT", "ID", "OCTAL", "OCTALDIGIT", "WS"
"EXPONENT", "HEX", "HEXDIGIT", "ID", "NAMESPACE_ID", "OCTAL", "OCTALDIGIT",
"WS"
};
public static final int EOF=-1;
public static final int AT_ADD=4;
@ -61,9 +62,10 @@ class JavascriptParser extends Parser {
public static final int HEX=37;
public static final int HEXDIGIT=38;
public static final int ID=39;
public static final int OCTAL=40;
public static final int OCTALDIGIT=41;
public static final int WS=42;
public static final int NAMESPACE_ID=40;
public static final int OCTAL=41;
public static final int OCTALDIGIT=42;
public static final int WS=43;
// delegates
public Parser[] getDelegates() {
@ -1269,7 +1271,7 @@ class JavascriptParser extends Parser {
case AT_LPAREN:
case DECIMAL:
case HEX:
case ID:
case NAMESPACE_ID:
case OCTAL:
{
alt12=1;
@ -1491,26 +1493,26 @@ class JavascriptParser extends Parser {
// $ANTLR start "postfix"
// src/java/org/apache/lucene/expressions/js/Javascript.g:310:1: postfix : ( primary | ID arguments -> ^( AT_CALL ID ( arguments )? ) );
// src/java/org/apache/lucene/expressions/js/Javascript.g:310:1: postfix : ( primary | NAMESPACE_ID arguments -> ^( AT_CALL NAMESPACE_ID ( arguments )? ) );
public final JavascriptParser.postfix_return postfix() throws RecognitionException {
JavascriptParser.postfix_return retval = new JavascriptParser.postfix_return();
retval.start = input.LT(1);
CommonTree root_0 = null;
Token ID47=null;
Token NAMESPACE_ID47=null;
ParserRuleReturnScope primary46 =null;
ParserRuleReturnScope arguments48 =null;
CommonTree ID47_tree=null;
RewriteRuleTokenStream stream_ID=new RewriteRuleTokenStream(adaptor,"token ID");
CommonTree NAMESPACE_ID47_tree=null;
RewriteRuleTokenStream stream_NAMESPACE_ID=new RewriteRuleTokenStream(adaptor,"token NAMESPACE_ID");
RewriteRuleSubtreeStream stream_arguments=new RewriteRuleSubtreeStream(adaptor,"rule arguments");
try {
// src/java/org/apache/lucene/expressions/js/Javascript.g:311:5: ( primary | ID arguments -> ^( AT_CALL ID ( arguments )? ) )
// src/java/org/apache/lucene/expressions/js/Javascript.g:311:5: ( primary | NAMESPACE_ID arguments -> ^( AT_CALL NAMESPACE_ID ( arguments )? ) )
int alt14=2;
int LA14_0 = input.LA(1);
if ( (LA14_0==ID) ) {
if ( (LA14_0==NAMESPACE_ID) ) {
int LA14_1 = input.LA(2);
if ( (LA14_1==EOF||(LA14_1 >= AT_ADD && LA14_1 <= AT_BIT_AND)||(LA14_1 >= AT_BIT_OR && LA14_1 <= AT_BOOL_AND)||LA14_1==AT_BOOL_OR||(LA14_1 >= AT_COLON && LA14_1 <= AT_DIVIDE)||(LA14_1 >= AT_MODULO && LA14_1 <= AT_MULTIPLY)||(LA14_1 >= AT_RPAREN && LA14_1 <= AT_SUBTRACT)) ) {
alt14=1;
@ -1558,10 +1560,10 @@ class JavascriptParser extends Parser {
}
break;
case 2 :
// src/java/org/apache/lucene/expressions/js/Javascript.g:312:7: ID arguments
// src/java/org/apache/lucene/expressions/js/Javascript.g:312:7: NAMESPACE_ID arguments
{
ID47=(Token)match(input,ID,FOLLOW_ID_in_postfix1168);
stream_ID.add(ID47);
NAMESPACE_ID47=(Token)match(input,NAMESPACE_ID,FOLLOW_NAMESPACE_ID_in_postfix1168);
stream_NAMESPACE_ID.add(NAMESPACE_ID47);
pushFollow(FOLLOW_arguments_in_postfix1170);
arguments48=arguments();
@ -1569,7 +1571,7 @@ class JavascriptParser extends Parser {
stream_arguments.add(arguments48.getTree());
// AST REWRITE
// elements: arguments, ID
// elements: NAMESPACE_ID, arguments
// token labels:
// rule labels: retval
// token list labels:
@ -1579,14 +1581,14 @@ class JavascriptParser extends Parser {
RewriteRuleSubtreeStream stream_retval=new RewriteRuleSubtreeStream(adaptor,"rule retval",retval!=null?retval.getTree():null);
root_0 = (CommonTree)adaptor.nil();
// 312:20: -> ^( AT_CALL ID ( arguments )? )
// 312:30: -> ^( AT_CALL NAMESPACE_ID ( arguments )? )
{
// src/java/org/apache/lucene/expressions/js/Javascript.g:312:23: ^( AT_CALL ID ( arguments )? )
// src/java/org/apache/lucene/expressions/js/Javascript.g:312:33: ^( AT_CALL NAMESPACE_ID ( arguments )? )
{
CommonTree root_1 = (CommonTree)adaptor.nil();
root_1 = (CommonTree)adaptor.becomeRoot((CommonTree)adaptor.create(AT_CALL, "AT_CALL"), root_1);
adaptor.addChild(root_1, stream_ID.nextNode());
// src/java/org/apache/lucene/expressions/js/Javascript.g:312:36: ( arguments )?
adaptor.addChild(root_1, stream_NAMESPACE_ID.nextNode());
// src/java/org/apache/lucene/expressions/js/Javascript.g:312:56: ( arguments )?
if ( stream_arguments.hasNext() ) {
adaptor.addChild(root_1, stream_arguments.nextTree());
}
@ -1631,28 +1633,28 @@ class JavascriptParser extends Parser {
// $ANTLR start "primary"
// src/java/org/apache/lucene/expressions/js/Javascript.g:315:1: primary : ( ID | numeric | AT_LPAREN ! conditional AT_RPAREN !);
// src/java/org/apache/lucene/expressions/js/Javascript.g:315:1: primary : ( NAMESPACE_ID | numeric | AT_LPAREN ! conditional AT_RPAREN !);
public final JavascriptParser.primary_return primary() throws RecognitionException {
JavascriptParser.primary_return retval = new JavascriptParser.primary_return();
retval.start = input.LT(1);
CommonTree root_0 = null;
Token ID49=null;
Token NAMESPACE_ID49=null;
Token AT_LPAREN51=null;
Token AT_RPAREN53=null;
ParserRuleReturnScope numeric50 =null;
ParserRuleReturnScope conditional52 =null;
CommonTree ID49_tree=null;
CommonTree NAMESPACE_ID49_tree=null;
CommonTree AT_LPAREN51_tree=null;
CommonTree AT_RPAREN53_tree=null;
try {
// src/java/org/apache/lucene/expressions/js/Javascript.g:316:5: ( ID | numeric | AT_LPAREN ! conditional AT_RPAREN !)
// src/java/org/apache/lucene/expressions/js/Javascript.g:316:5: ( NAMESPACE_ID | numeric | AT_LPAREN ! conditional AT_RPAREN !)
int alt15=3;
switch ( input.LA(1) ) {
case ID:
case NAMESPACE_ID:
{
alt15=1;
}
@ -1676,14 +1678,14 @@ class JavascriptParser extends Parser {
}
switch (alt15) {
case 1 :
// src/java/org/apache/lucene/expressions/js/Javascript.g:316:7: ID
// src/java/org/apache/lucene/expressions/js/Javascript.g:316:7: NAMESPACE_ID
{
root_0 = (CommonTree)adaptor.nil();
ID49=(Token)match(input,ID,FOLLOW_ID_in_primary1198);
ID49_tree = (CommonTree)adaptor.create(ID49);
adaptor.addChild(root_0, ID49_tree);
NAMESPACE_ID49=(Token)match(input,NAMESPACE_ID,FOLLOW_NAMESPACE_ID_in_primary1198);
NAMESPACE_ID49_tree = (CommonTree)adaptor.create(NAMESPACE_ID49);
adaptor.addChild(root_0, NAMESPACE_ID49_tree);
}
break;
@ -1774,7 +1776,7 @@ class JavascriptParser extends Parser {
// src/java/org/apache/lucene/expressions/js/Javascript.g:322:18: ( conditional ( AT_COMMA ! conditional )* )?
int alt17=2;
int LA17_0 = input.LA(1);
if ( (LA17_0==AT_ADD||LA17_0==AT_BIT_NOT||LA17_0==AT_BOOL_NOT||LA17_0==AT_LPAREN||(LA17_0 >= AT_SUBTRACT && LA17_0 <= DECIMAL)||LA17_0==HEX||(LA17_0 >= ID && LA17_0 <= OCTAL)) ) {
if ( (LA17_0==AT_ADD||LA17_0==AT_BIT_NOT||LA17_0==AT_BOOL_NOT||LA17_0==AT_LPAREN||(LA17_0 >= AT_SUBTRACT && LA17_0 <= DECIMAL)||LA17_0==HEX||(LA17_0 >= NAMESPACE_ID && LA17_0 <= OCTAL)) ) {
alt17=1;
}
switch (alt17) {
@ -1905,59 +1907,59 @@ class JavascriptParser extends Parser {
public static final BitSet FOLLOW_conditional_in_expression737 = new BitSet(new long[]{0x0000000000000000L});
public static final BitSet FOLLOW_EOF_in_expression739 = new BitSet(new long[]{0x0000000000000002L});
public static final BitSet FOLLOW_logical_or_in_conditional757 = new BitSet(new long[]{0x0000000001000002L});
public static final BitSet FOLLOW_AT_COND_QUE_in_conditional760 = new BitSet(new long[]{0x000001A308002050L});
public static final BitSet FOLLOW_AT_COND_QUE_in_conditional760 = new BitSet(new long[]{0x0000032308002050L});
public static final BitSet FOLLOW_conditional_in_conditional763 = new BitSet(new long[]{0x0000000000010000L});
public static final BitSet FOLLOW_AT_COLON_in_conditional765 = new BitSet(new long[]{0x000001A308002050L});
public static final BitSet FOLLOW_AT_COLON_in_conditional765 = new BitSet(new long[]{0x0000032308002050L});
public static final BitSet FOLLOW_conditional_in_conditional768 = new BitSet(new long[]{0x0000000000000002L});
public static final BitSet FOLLOW_logical_and_in_logical_or787 = new BitSet(new long[]{0x0000000000004002L});
public static final BitSet FOLLOW_AT_BOOL_OR_in_logical_or790 = new BitSet(new long[]{0x000001A308002050L});
public static final BitSet FOLLOW_AT_BOOL_OR_in_logical_or790 = new BitSet(new long[]{0x0000032308002050L});
public static final BitSet FOLLOW_logical_and_in_logical_or793 = new BitSet(new long[]{0x0000000000004002L});
public static final BitSet FOLLOW_bitwise_or_in_logical_and812 = new BitSet(new long[]{0x0000000000001002L});
public static final BitSet FOLLOW_AT_BOOL_AND_in_logical_and815 = new BitSet(new long[]{0x000001A308002050L});
public static final BitSet FOLLOW_AT_BOOL_AND_in_logical_and815 = new BitSet(new long[]{0x0000032308002050L});
public static final BitSet FOLLOW_bitwise_or_in_logical_and818 = new BitSet(new long[]{0x0000000000001002L});
public static final BitSet FOLLOW_bitwise_xor_in_bitwise_or837 = new BitSet(new long[]{0x0000000000000082L});
public static final BitSet FOLLOW_AT_BIT_OR_in_bitwise_or840 = new BitSet(new long[]{0x000001A308002050L});
public static final BitSet FOLLOW_AT_BIT_OR_in_bitwise_or840 = new BitSet(new long[]{0x0000032308002050L});
public static final BitSet FOLLOW_bitwise_xor_in_bitwise_or843 = new BitSet(new long[]{0x0000000000000082L});
public static final BitSet FOLLOW_bitwise_and_in_bitwise_xor862 = new BitSet(new long[]{0x0000000000000802L});
public static final BitSet FOLLOW_AT_BIT_XOR_in_bitwise_xor865 = new BitSet(new long[]{0x000001A308002050L});
public static final BitSet FOLLOW_AT_BIT_XOR_in_bitwise_xor865 = new BitSet(new long[]{0x0000032308002050L});
public static final BitSet FOLLOW_bitwise_and_in_bitwise_xor868 = new BitSet(new long[]{0x0000000000000802L});
public static final BitSet FOLLOW_equality_in_bitwise_and888 = new BitSet(new long[]{0x0000000000000022L});
public static final BitSet FOLLOW_AT_BIT_AND_in_bitwise_and891 = new BitSet(new long[]{0x000001A308002050L});
public static final BitSet FOLLOW_AT_BIT_AND_in_bitwise_and891 = new BitSet(new long[]{0x0000032308002050L});
public static final BitSet FOLLOW_equality_in_bitwise_and894 = new BitSet(new long[]{0x0000000000000022L});
public static final BitSet FOLLOW_relational_in_equality913 = new BitSet(new long[]{0x0000000000840002L});
public static final BitSet FOLLOW_set_in_equality916 = new BitSet(new long[]{0x000001A308002050L});
public static final BitSet FOLLOW_set_in_equality916 = new BitSet(new long[]{0x0000032308002050L});
public static final BitSet FOLLOW_relational_in_equality925 = new BitSet(new long[]{0x0000000000840002L});
public static final BitSet FOLLOW_shift_in_relational944 = new BitSet(new long[]{0x0000000000780002L});
public static final BitSet FOLLOW_set_in_relational947 = new BitSet(new long[]{0x000001A308002050L});
public static final BitSet FOLLOW_set_in_relational947 = new BitSet(new long[]{0x0000032308002050L});
public static final BitSet FOLLOW_shift_in_relational964 = new BitSet(new long[]{0x0000000000780002L});
public static final BitSet FOLLOW_additive_in_shift983 = new BitSet(new long[]{0x0000000000000702L});
public static final BitSet FOLLOW_set_in_shift986 = new BitSet(new long[]{0x000001A308002050L});
public static final BitSet FOLLOW_set_in_shift986 = new BitSet(new long[]{0x0000032308002050L});
public static final BitSet FOLLOW_additive_in_shift999 = new BitSet(new long[]{0x0000000000000702L});
public static final BitSet FOLLOW_multiplicative_in_additive1018 = new BitSet(new long[]{0x0000000100000012L});
public static final BitSet FOLLOW_set_in_additive1021 = new BitSet(new long[]{0x000001A308002050L});
public static final BitSet FOLLOW_set_in_additive1021 = new BitSet(new long[]{0x0000032308002050L});
public static final BitSet FOLLOW_multiplicative_in_additive1030 = new BitSet(new long[]{0x0000000100000012L});
public static final BitSet FOLLOW_unary_in_multiplicative1049 = new BitSet(new long[]{0x0000000032000002L});
public static final BitSet FOLLOW_set_in_multiplicative1052 = new BitSet(new long[]{0x000001A308002050L});
public static final BitSet FOLLOW_set_in_multiplicative1052 = new BitSet(new long[]{0x0000032308002050L});
public static final BitSet FOLLOW_unary_in_multiplicative1065 = new BitSet(new long[]{0x0000000032000002L});
public static final BitSet FOLLOW_postfix_in_unary1084 = new BitSet(new long[]{0x0000000000000002L});
public static final BitSet FOLLOW_AT_ADD_in_unary1092 = new BitSet(new long[]{0x000001A308002050L});
public static final BitSet FOLLOW_AT_ADD_in_unary1092 = new BitSet(new long[]{0x0000032308002050L});
public static final BitSet FOLLOW_unary_in_unary1095 = new BitSet(new long[]{0x0000000000000002L});
public static final BitSet FOLLOW_unary_operator_in_unary1103 = new BitSet(new long[]{0x000001A308002050L});
public static final BitSet FOLLOW_unary_operator_in_unary1103 = new BitSet(new long[]{0x0000032308002050L});
public static final BitSet FOLLOW_unary_in_unary1106 = new BitSet(new long[]{0x0000000000000002L});
public static final BitSet FOLLOW_AT_SUBTRACT_in_unary_operator1123 = new BitSet(new long[]{0x0000000000000002L});
public static final BitSet FOLLOW_AT_BIT_NOT_in_unary_operator1135 = new BitSet(new long[]{0x0000000000000002L});
public static final BitSet FOLLOW_AT_BOOL_NOT_in_unary_operator1143 = new BitSet(new long[]{0x0000000000000002L});
public static final BitSet FOLLOW_primary_in_postfix1160 = new BitSet(new long[]{0x0000000000000002L});
public static final BitSet FOLLOW_ID_in_postfix1168 = new BitSet(new long[]{0x0000000008000000L});
public static final BitSet FOLLOW_NAMESPACE_ID_in_postfix1168 = new BitSet(new long[]{0x0000000008000000L});
public static final BitSet FOLLOW_arguments_in_postfix1170 = new BitSet(new long[]{0x0000000000000002L});
public static final BitSet FOLLOW_ID_in_primary1198 = new BitSet(new long[]{0x0000000000000002L});
public static final BitSet FOLLOW_NAMESPACE_ID_in_primary1198 = new BitSet(new long[]{0x0000000000000002L});
public static final BitSet FOLLOW_numeric_in_primary1206 = new BitSet(new long[]{0x0000000000000002L});
public static final BitSet FOLLOW_AT_LPAREN_in_primary1214 = new BitSet(new long[]{0x000001A308002050L});
public static final BitSet FOLLOW_AT_LPAREN_in_primary1214 = new BitSet(new long[]{0x0000032308002050L});
public static final BitSet FOLLOW_conditional_in_primary1217 = new BitSet(new long[]{0x0000000080000000L});
public static final BitSet FOLLOW_AT_RPAREN_in_primary1219 = new BitSet(new long[]{0x0000000000000002L});
public static final BitSet FOLLOW_AT_LPAREN_in_arguments1237 = new BitSet(new long[]{0x000001A388002050L});
public static final BitSet FOLLOW_AT_LPAREN_in_arguments1237 = new BitSet(new long[]{0x0000032388002050L});
public static final BitSet FOLLOW_conditional_in_arguments1241 = new BitSet(new long[]{0x0000000080020000L});
public static final BitSet FOLLOW_AT_COMMA_in_arguments1244 = new BitSet(new long[]{0x000001A308002050L});
public static final BitSet FOLLOW_AT_COMMA_in_arguments1244 = new BitSet(new long[]{0x0000032308002050L});
public static final BitSet FOLLOW_conditional_in_arguments1247 = new BitSet(new long[]{0x0000000080020000L});
public static final BitSet FOLLOW_AT_RPAREN_in_arguments1253 = new BitSet(new long[]{0x0000000000000002L});
}

9
lucene/expressions/src/test/org/apache/lucene/expressions/js/TestCustomFunctions.java
View File

@ -260,4 +260,13 @@ public class TestCustomFunctions extends LuceneTestCase {
assertTrue(sw.toString().contains("JavascriptCompiler$CompiledExpression.evaluate(" + source + ")"));
}
}
/** test that namespaces work with custom expressions. */
public void testNamespaces() throws Exception {
Map<String, Method> functions = new HashMap<String, Method>();
functions.put("foo.bar", getClass().getMethod("zeroArgMethod"));
String source = "foo.bar()";
Expression expr = JavascriptCompiler.compile(source, functions, getClass().getClassLoader());
assertEquals(5, expr.evaluate(0, null), DELTA);
}
}

39
lucene/expressions/src/test/org/apache/lucene/expressions/js/TestJavascriptCompiler.java
View File

@ -29,6 +29,45 @@ public class TestJavascriptCompiler extends LuceneTestCase {
assertNotNull(JavascriptCompiler.compile("logn(2, 20+10-5.0)"));
}
public void testValidNamespaces() throws Exception {
assertNotNull(JavascriptCompiler.compile("object.valid0"));
assertNotNull(JavascriptCompiler.compile("object0.object1.valid1"));
}
public void testInvalidNamespaces() throws Exception {
try {
JavascriptCompiler.compile("object.0invalid");
fail();
}
catch (ParseException expected) {
//expected
}
try {
JavascriptCompiler.compile("0.invalid");
fail();
}
catch (ParseException expected) {
//expected
}
try {
JavascriptCompiler.compile("object..invalid");
fail();
}
catch (ParseException expected) {
//expected
}
try {
JavascriptCompiler.compile(".invalid");
fail();
}
catch (ParseException expected) {
//expected
}
}
public void testInvalidCompiles() throws Exception {
try {
JavascriptCompiler.compile("100 100");