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Merge pull request #19065 from rmuir/help_painless_docs 

Bring painless docs closer to reality
This commit is contained in:
Robert Muir 2016-06-24 12:52:30 -04:00 committed by GitHub
parent 2a196d4068 e6819648cc
commit 0b2baa7f63
18 changed files with 1247 additions and 1360 deletions
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2
docs/reference/modules/scripting.asciidoc
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@ -96,6 +96,8 @@ include::scripting/groovy.asciidoc[]
include::scripting/painless.asciidoc[] include::scripting/painless.asciidoc[]
include::scripting/painless-syntax.asciidoc[]
include::scripting/expression.asciidoc[] include::scripting/expression.asciidoc[]
include::scripting/native.asciidoc[] include::scripting/native.asciidoc[]

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docs/reference/modules/scripting/painless-syntax.asciidoc Normal file
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@ -0,0 +1,164 @@
[[modules-scripting-painless-syntax]]
=== Painless Syntax
experimental[The Painless scripting language is new and is still marked as experimental. The syntax or API may be changed in the future in non-backwards compatible ways if required.]
[float]
[[painless-types]]
=== Variable types
Painless supports all of https://docs.oracle.com/javase/tutorial/java/nutsandbolts/variables.html[Java's types],
including array types, but adds some additional built-in types.
[float]
[[painless-def]]
==== Def
The dynamic type `def` serves as a placeholder for any other type. It adopts the behavior
of whatever runtime type it represents.
[float]
[[painless-strings]]
==== String
String constants can be declared with single quotes, to avoid escaping horrors with JSON:
[source,js]
---------------------------------------------------------
def mystring = 'foo';
---------------------------------------------------------
[float]
[[painless-lists]]
==== List
Lists can be created explicitly (e.g. `new ArrayList()`) or initialized similar to Groovy:
[source,js]
---------------------------------------------------------
def list = [1,2,3];
---------------------------------------------------------
Lists can also be accessed similar to arrays: they support subscript and `.length`:
[source,js]
---------------------------------------------------------
def list = [1,2,3];
return list[0]
---------------------------------------------------------
[float]
[[painless-maps]]
==== Map
Maps can be created explicitly (e.g. `new HashMap()`) or initialized similar to Groovy:
[source,js]
---------------------------------------------------------
def person = ['name': 'Joe', 'age': 63];
---------------------------------------------------------
Map keys can also be accessed as properties.
[source,js]
---------------------------------------------------------
def person = ['name': 'Joe', 'age': 63];
person.retired = true;
return person.name
---------------------------------------------------------
Map keys can also be accessed via subscript (for keys containing special characters):
[source,js]
---------------------------------------------------------
return map['something-absurd!']
---------------------------------------------------------
[float]
[[painless-pattern]]
==== Pattern
Regular expression constants are directly supported:
[source,js]
---------------------------------------------------------
Pattern p = /[aeiou]/
---------------------------------------------------------
Patterns can only be created via this mechanism. This ensures fast performance, regular expressions
are always constants and compiled efficiently a single time.
[float]
[[modules-scripting-painless-regex-flags]]
==== Pattern flags
You can define flags on patterns in Painless by adding characters after the
trailing `/` like `/foo/i` or `/foo \w #comment/iUx`. Painless exposes all the
flags from
https://docs.oracle.com/javase/8/docs/api/java/util/regex/Pattern.html[Java's Pattern class]
using these characters:
[cols="<,<,<",options="header",]
|=======================================================================
| Character | Java Constant | Example
|`c` | CANON_EQ | `'å' ==~ /å/c` (open in hex editor to see)
|`i` | CASE_INSENSITIVE | `'A' ==~ /a/i`
|`l` | LITERAL | `'[a]' ==~ /[a]/l`
|`m` | MULTILINE | `'a\nb\nc' =~ /^b$/m`
|`s` | DOTALL (aka single line) | `'a\nb\nc' =~ /.b./s`
|`U` | UNICODE_CHARACTER_CLASS | `'Ɛ' ==~ /\\w/U`
|`u` | UNICODE_CASE | `'Ɛ' ==~ /ɛ/iu`
|`x` | COMMENTS (aka extended) | `'a' ==~ /a #comment/x`
|=======================================================================
[float]
[[painless-operators]]
=== Operators
All of Java's https://docs.oracle.com/javase/tutorial/java/nutsandbolts/operators.html[operators] are
supported with the same precedence, promotion, and semantics.
There are only a few minor differences and add-ons:
* `==` behaves as Java's for numeric types, but for non-numeric types acts as https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#equals-java.lang.Object-[`Object.equals()`]
* `===` and `!==` support exact reference comparison (e.g. `x === y`)
* `=~` true if a portion of the text matches a pattern (e.g. `x =~ /b/`)
* `==~` true if the entire text matches a pattern (e.g. `x ==~ /[Bb]ob/`)
[float]
[[painless-control-flow]]
=== Control flow
Java's https://docs.oracle.com/javase/tutorial/java/nutsandbolts/flow.html[control flow statements] are supported, with the exception
of the `switch` statement.
[float]
[[painless-functions]]
=== Functions
Functions can be declared at the beginning of the script, for example:
[source,js]
---------------------------------------------------------
boolean isNegative(def x) { x < 0 }
...
if (isNegative(someVar)) {
...
}
---------------------------------------------------------
[float]
[[painless-lambda-expressions]]
=== Lambda expressions
Lambda expressions and method references work the same as https://docs.oracle.com/javase/tutorial/java/javaOO/lambdaexpressions.html[Java's].
[source,js]
---------------------------------------------------------
list.removeIf(item -> item == 2);
list.removeIf((int item) -> item == 2);
list.removeIf((int item) -> { item == 2 });
list.sort((x, y) -> x - y);
list.sort(Integer::compare);
---------------------------------------------------------
Method references to functions within the script can be accomplished using `this`, e.g. `list.sort(this::mycompare)`.

558
docs/reference/modules/scripting/painless.asciidoc
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@ -8,9 +8,7 @@ by default. It is designed specifically for use with Elasticsearch and can
safely be used with `inline` and `stored` scripting, which is enabled by safely be used with `inline` and `stored` scripting, which is enabled by
default. default.
A Painless script is essentially a single function. Painless does not provide support The Painless syntax is similar to http://groovy-lang.org/index.html[Groovy].
for defining multiple functions within a script. The Painless syntax is similar to
http://groovy-lang.org/index.html[Groovy].
You can use Painless anywhere a script can be used in Elasticsearch--simply set the `lang` parameter You can use Painless anywhere a script can be used in Elasticsearch--simply set the `lang` parameter
to `painless`. to `painless`.
@ -19,22 +17,15 @@ to `painless`.
[float] [float]
== Painless Features == Painless Features
* Control flow: `for` loops, `while` loops, `do/while` loops, `if/else` * Fast performance: https://benchmarks.elastic.co/index.html#search_qps_scripts[several times faster] than the alternatives.
* Fully Typed: all available types/methods described in <<painless-api, Painless API>> * Safety: Fine-grained <<painless-api, whitelist>> with method call/field granularity.
* Arithmetic operators: multiplication `*`, division `/`, addition `+`, subtraction `-`, precedence `( )` * Optional typing: Variables and parameters can use explicit types or the dynamic `def` type.
* Comparison operators: less than `<`, less than or equal to `<=`, greater than `>`, greater than or equal to `>=`, equal to `==`, and not equal to `!=`, reference equals `===`, reference not equals `!==` * Syntax: Extends Java's syntax with a subset of Groovy for ease of use. See the <<modules-scripting-painless-syntax, Syntax Overview>>.
* Boolean operators: not `!`, and `&&`, or `||`
* Bitwise operators: shift left `<<`, shift right `>>`, unsigned shift `>>>`, and `&`, or `|`, xor `^`, not `~`
* Shortcuts for list, map access using the dot `.` operator
* Native support for regular expressions with `/pattern/`, `=~`, and `==~`
* Optimizations: Designed specifically for Elasticsearch scripting.
[[painless-examples]] [[painless-examples]]
[float] [float]
@ -74,7 +65,7 @@ PUT hockey/player/_bulk?refresh
[float] [float]
=== Accessing Doc Values from Painless === Accessing Doc Values from Painless
Document values can be accessed from a `Map<String,def>` named `doc`. Document values can be accessed from a `Map` named `doc`.
For example, the following script calculates a player's total goals. This example uses a strongly typed `int` and a `for` loop. For example, the following script calculates a player's total goals. This example uses a strongly typed `int` and a `for` loop.
@ -268,528 +259,27 @@ Note: all of the `_update_by_query` examples above could really do with a
because script queries aren't able to use the inverted index to limit the because script queries aren't able to use the inverted index to limit the
documents that they have to check. documents that they have to check.
We intentionally don't allow scripts to call `Pattern.compile` to get a new
pattern on the fly because building a `Pattern` is (comparatively) slow.
Pattern literals (`/apattern/`) have fancy constant extraction so no matter
where they show up in the painless script they are built only when the script
is first used. It is fairly similar to how `String` literals work in Java.
[float] [float]
[[modules-scripting-painless-regex-flags]]
==== Regular expression flags
You can define flags on patterns in Painless by adding characters after the
trailing `/` like `/foo/i` or `/foo \w #comment/iUx`. Painless exposes all the
flags from
https://docs.oracle.com/javase/7/docs/api/java/util/regex/Pattern.html[Java's Pattern class]
using these characters:
[cols="<,<,<",options="header",]
|=======================================================================
| Character | Java Constant | Example
|`c` | CANON_EQ | `'å' ==~ /å/c` (open in hex editor to see)
|`i` | CASE_INSENSITIVE | `'A' ==~ /a/i`
|`l` | LITERAL | `'[a]' ==~ /[a]/l`
|`m` | MULTILINE | `'a\nb\nc' =~ /^b$/m`
|`s` | DOTALL (aka single line) | `'a\nb\nc' =~ /.b./s`
|`U` | UNICODE_CHARACTER_CLASS | `'Ɛ' ==~ /\\w/U`
|`u` | UNICODE_CASE | `'Ɛ' ==~ /ɛ/iu`
|`x` | COMMENTS (aka extended) | `'a' ==~ /a #comment/x`
|=======================================================================
[[painless-api]] [[painless-api]]
[float]
== Painless API == Painless API
The following types are available for use in the Painless language. Most types and methods map directly to their Java equivalents--for more information, see the corresponding https://docs.oracle.com/javase/8/docs/api/java/lang/package-summary.html[Javadoc]. The following Java packages are available for use in the Painless language:
* https://docs.oracle.com/javase/8/docs/api/java/lang/package-summary.html[java.lang]
* https://docs.oracle.com/javase/8/docs/api/java/math/package-summary.html[java.math]
* https://docs.oracle.com/javase/8/docs/api/java/text/package-summary.html[java.text]
* https://docs.oracle.com/javase/8/docs/api/java/time/package-summary.html[java.time]
* https://docs.oracle.com/javase/8/docs/api/java/time/chrono/package-summary.html[java.time.chrono]
* https://docs.oracle.com/javase/8/docs/api/java/time/format/package-summary.html[java.time.format]
* https://docs.oracle.com/javase/8/docs/api/java/time/temporal/package-summary.html[java.time.temporal]
* https://docs.oracle.com/javase/8/docs/api/java/time/zone/package-summary.html[java.time.zone]
* https://docs.oracle.com/javase/8/docs/api/java/util/package-summary.html[java.util]
* https://docs.oracle.com/javase/8/docs/api/java/util/function/package-summary.html[java.util.function]
* https://docs.oracle.com/javase/8/docs/api/java/util/regex/package-summary.html[java.util.regex]
* https://docs.oracle.com/javase/8/docs/api/java/util/stream/package-summary.html[java.util.stream]
[float] Note that unsafe classes and methods are not included, there is no support for:
=== Dynamic Types
* `def` (This type can be used to represent any other type.) * Manipulation of processes and threads
* Input/Output
[float] * Reflection
=== Basic Types
* `void`
* `boolean`
* `short`
* `char`
* `int`
* `long`
* `float`
* `double`
[float]
=== Complex Types
Non-static methods/members in superclasses are available to subclasses.
Generic types with unspecified generic parameters are parameters of type `def`.
-----
ArithmeticException extends Exception
<init>()
-----
-----
ArrayList extends List
<init>()
-----
-----
ArrayList<Object> extends List<Object>
<init>()
-----
-----
ArrayList<String> extends List<String>
<init>()
-----
-----
Boolean extends Object
<init>(boolean)
static Boolean valueOf(boolean)
boolean booleanValue()
-----
-----
Character extends Object
<init>(char)
static Character valueOf(char)
char charValue()
static char MIN_VALUE
static char MAX_VALUE
-----
-----
CharSequence extends Object
char charAt(int)
int length()
-----
-----
Collection extends Object
boolean add(def)
void clear()
boolean contains(def)
boolean isEmpty()
Iterator iterator()
boolean remove(def)
int size()
-----
-----
Collection<Object> extends Object
boolean add(Object)
void clear()
boolean contains(Object)
boolean isEmpty()
Iterator iterator()
boolean remove(Object)
int size()
-----
-----
Collection<String> extends Object
boolean add(String)
void clear()
boolean contains(String)
boolean isEmpty()
Iterator iterator()
boolean remove(String)
int size()
-----
-----
Double extends Number
<init>(double)
static Double valueOf(double)
static double MIN_VALUE
static double MAX_VALUE
-----
-----
Exception extends Object
String getMessage()
-----
-----
Float extends Number
<init>(float)
static Float valueOf(float)
static float MIN_VALUE
static float MAX_VALUE
-----
-----
HashMap extends Map
<init>()
-----
-----
HashMap<Object,Object> extends Map<Object,Object>
<init>()
-----
-----
HashMap<String,def> extends Map<String,def>
<init>()
-----
-----
HashMap<String,Object> extends Map<String,Object>
<init>()
-----
-----
IllegalArgument extends Exception
<init>()
-----
-----
IllegalState extends Exception
<init>()
-----
-----
Integer extends Number
<init>(int)
static Integer valueOf(int)
static int MIN_VALUE
static int MAX_VALUE
-----
-----
Iterator extends Object
boolean hasNext()
def next()
void remove()
-----
-----
Iterator<String> extends Object
boolean hasNext()
String next()
void remove()
-----
-----
List extends Collection
def set(int, def)
def get(int)
def remove(int)
-----
-----
List<Object> extends Collection
Object set(int, Object)
Object get(int)
Object remove(int)
-----
-----
List<String> extends Collection
String set(int, String)
String get(int)
String remove(int)
-----
-----
Long extends Number
<init>(long)
static Long valueOf(long)
static long MIN_VALUE
static long MAX_VALUE
-----
-----
Map extends Object
def put (def, def)
def get (def)
def remove (def)
boolean isEmpty()
int size()
boolean containsKey(def)
boolean containsValue(def)
Set keySet()
Collection values()
-----
-----
Map<Object,Object> extends Object
Object put (Object, Object)
Object get (Object)
Object remove (Object)
boolean isEmpty()
int size()
boolean containsKey(Object)
boolean containsValue(Object)
Set keySet()
Collection values()
-----
-----
Map<String,def> extends Object
def put (String, def)
def get (String)
def remove (String)
boolean isEmpty()
int size()
boolean containsKey(String)
boolean containsValue(def)
Set<String> keySet()
Collection values()
-----
-----
Map<String,Object> extends Object
Object put (String, Object)
Object get (String)
Object remove (String)
boolean isEmpty()
int size()
boolean containsKey(String)
boolean containsValue(Object)
Set<String> keySet()
Collection values()
-----
-----
Number extends Object
short shortValue()
short shortValue()
int intValue()
long longValue()
float floatValue()
double doubleValue()
-----
-----
Object
String toString()
boolean equals(Object)
int hashCode()
-----
-----
Set extends Collection
-----
-----
Set<Object> extends Collection<Object>
-----
-----
Set<String> extends Collection<String>
-----
-----
Short extends Number
<init>(short)
static Short valueOf(short)
static short MIN_VALUE
static short MAX_VALUE
-----
-----
String extends CharSequence
<init>(String)
int codePointAt(int)
int compareTo(String)
String concat(String)
boolean endsWith(String)
int indexOf(String, int)
boolean isEmpty()
String replace(CharSequence, CharSequence)
boolean startsWith(String)
String substring(int, int)
char[] toCharArray()
String trim()
-----
-----
NumberFormatException extends Exception
<init>()
-----
-----
Void extends Object
-----
[float]
==== Utility Classes
-----
Math
static double abs(double)
static float fabs(float)
static long labs(long)
static int iabs(int)
static double acos(double)
static double asin(double)
static double atan(double)
static double atan2(double)
static double cbrt(double)
static double ceil(double)
static double cos(double)
static double cosh(double)
static double exp(double)
static double expm1(double)
static double floor(double)
static double hypt(double, double)
static double abs(double)
static double log(double)
static double log10(double)
static double log1p(double)
static double max(double, double)
static float fmax(float, float)
static long lmax(long, long)
static int imax(int, int)
static double min(double, double)
static float fmin(float, float)
static long lmin(long, long)
static int imin(int, int)
static double pow(double, double)
static double random()
static double rint(double)
static long round(double)
static double sin(double)
static double sinh(double)
static double sqrt(double)
static double tan(double)
static double tanh(double)
static double toDegrees(double)
static double toRadians(double)
-----
-----
Utility
static boolean NumberToboolean(Number)
static char NumberTochar(Number)
static Boolean NumberToBoolean(Number)
static Short NumberToShort(Number)
static Character NumberToCharacter(Number)
static Integer NumberToInteger(Number)
static Long NumberToLong(Number)
static Float NumberToFloat(Number)
static Double NumberToDouble(Number)
static byte booleanTobyte(boolean)
static short booleanToshort(boolean)
static char booleanTochar(boolean)
static int booleanToint(boolean)
static long booleanTolong(boolean)
static float booleanTofloat(boolean)
static double booleanTodouble(boolean)
static Integer booleanToInteger(boolean)
static byte BooleanTobyte(Boolean)
static short BooleanToshort(Boolean)
static char BooleanTochar(Boolean)
static int BooleanToint(Boolean)
static long BooleanTolong(Boolean)
static float BooleanTofloat(Boolean)
static double BooleanTodouble(Boolean)
static Byte BooleanToByte(Boolean)
static Short BooleanToShort(Boolean)
static Character BooleanToCharacter(Boolean)
static Integer BooleanToInteger(Boolean)
static Long BooleanToLong(Boolean)
static Float BooleanToFloat(Boolean)
static Double BooleanToDouble(Boolean)
static boolean byteToboolean(byte)
static Short byteToShort(byte)
static Character byteToCharacter(byte)
static Integer byteToInteger(byte)
static Long byteToLong(byte)
static Float byteToFloat(byte)
static Double byteToDouble(byte)
static boolean ByteToboolean(Byte)
static char ByteTochar(Byte)
static boolean shortToboolean(short)
static Byte shortToByte(short)
static Character shortToCharacter(short)
static Integer shortToInteger(short)
static Long shortToLong(short)
static Float shortToFloat(short)
static Double shortToDouble(short)
static boolean ShortToboolean(Short)
static char ShortTochar(Short)
static boolean charToboolean(char)
static Byte charToByte(char)
static Short charToShort(char)
static Integer charToInteger(char)
static Long charToLong(char)
static Float charToFloat(char)
static Double charToDouble(char)
static boolean CharacterToboolean(Character)
static byte CharacterTobyte(Character)
static short CharacterToshort(Character)
static int CharacterToint(Character)
static long CharacterTolong(Character)
static float CharacterTofloat(Character)
static double CharacterTodouble(Character)
static Boolean CharacterToBoolean(Character)
static Byte CharacterToByte(Character)
static Short CharacterToShort(Character)
static Integer CharacterToInteger(Character)
static Long CharacterToLong(Character)
static Float CharacterToFloat(Character)
static Double CharacterToDouble(Character)
static boolean intToboolean(int)
static Byte intToByte(int)
static Short intToShort(int)
static Character intToCharacter(int)
static Long intToLong(int)
static Float intToFloat(int)
static Double intToDouble(int)
static boolean IntegerToboolean(Integer)
static char IntegerTochar(Integer)
static boolean longToboolean(long)
static Byte longToByte(long)
static Short longToShort(long)
static Character longToCharacter(long)
static Integer longToInteger(long)
static Float longToFloat(long)
static Double longToDouble(long)
static boolean LongToboolean(Long)
static char LongTochar(Long)
static boolean floatToboolean(float)
static Byte floatToByte(float)
static Short floatToShort(float)
static Character floatToCharacter(float)
static Integer floatToInteger(float)
static Long floatToLong(float)
static Double floatToDouble(float)
static boolean FloatToboolean(Float)
static char FloatTochar(Float)
static boolean doubleToboolean(double)
static Byte doubleToByte(double)
static Short doubleToShort(double)
static Character doubleToCharacter(double)
static Integer doubleToInteger(double)
static Long doubleToLong(double)
static Float doubleToFloat(double)
static boolean DoubleToboolean(Double)
static char DoubleTochar(Double)
-----
-----
Def
static boolean defToboolean(def)
static byte defTobyte(def)
static short defToshort(def)
static char defTochar(def)
static int defToint(def)
static long defTolong(def)
static float defTofloat(def)
static double defTodouble(def)
static Boolean defToBoolean(def)
static Byte defToByte(def)
static Character defToCharacter(def)
static Integer defToInteger(def)
static Long defToLong(def)
static Float defToFloat(def)
static Double defToDouble(def)
-----

1
modules/lang-painless/src/main/antlr/PainlessLexer.g4
View File

@ -52,6 +52,7 @@ TRY: 'try';
CATCH: 'catch'; CATCH: 'catch';
THROW: 'throw'; THROW: 'throw';
THIS: 'this'; THIS: 'this';
INSTANCEOF: 'instanceof';
BOOLNOT: '!'; BOOLNOT: '!';
BWNOT: '~'; BWNOT: '~';

206
modules/lang-painless/src/main/antlr/PainlessLexer.tokens
View File

@ -22,62 +22,63 @@ TRY=21
CATCH=22 CATCH=22
THROW=23 THROW=23
THIS=24 THIS=24
BOOLNOT=25 INSTANCEOF=25
BWNOT=26 BOOLNOT=26
MUL=27 BWNOT=27
DIV=28 MUL=28
REM=29 DIV=29
ADD=30 REM=30
SUB=31 ADD=31
LSH=32 SUB=32
RSH=33 LSH=33
USH=34 RSH=34
LT=35 USH=35
LTE=36 LT=36
GT=37 LTE=37
GTE=38 GT=38
EQ=39 GTE=39
EQR=40 EQ=40
NE=41 EQR=41
NER=42 NE=42
BWAND=43 NER=43
XOR=44 BWAND=44
BWOR=45 XOR=45
BOOLAND=46 BWOR=46
BOOLOR=47 BOOLAND=47
COND=48 BOOLOR=48
COLON=49 COND=49
REF=50 COLON=50
ARROW=51 REF=51
FIND=52 ARROW=52
MATCH=53 FIND=53
INCR=54 MATCH=54
DECR=55 INCR=55
ASSIGN=56 DECR=56
AADD=57 ASSIGN=57
ASUB=58 AADD=58
AMUL=59 ASUB=59
ADIV=60 AMUL=60
AREM=61 ADIV=61
AAND=62 AREM=62
AXOR=63 AAND=63
AOR=64 AXOR=64
ALSH=65 AOR=65
ARSH=66 ALSH=66
AUSH=67 ARSH=67
OCTAL=68 AUSH=68
HEX=69 OCTAL=69
INTEGER=70 HEX=70
DECIMAL=71 INTEGER=71
STRING=72 DECIMAL=72
REGEX=73 STRING=73
TRUE=74 REGEX=74
FALSE=75 TRUE=75
NULL=76 FALSE=76
TYPE=77 NULL=77
ID=78 TYPE=78
DOTINTEGER=79 ID=79
DOTID=80 DOTINTEGER=80
DOTID=81
'{'=3 '{'=3
'}'=4 '}'=4
'['=5 '['=5
@ -100,49 +101,50 @@ DOTID=80
'catch'=22 'catch'=22
'throw'=23 'throw'=23
'this'=24 'this'=24
'!'=25 'instanceof'=25
'~'=26 '!'=26
'*'=27 '~'=27
'/'=28 '*'=28
'%'=29 '/'=29
'+'=30 '%'=30
'-'=31 '+'=31
'<<'=32 '-'=32
'>>'=33 '<<'=33
'>>>'=34 '>>'=34
'<'=35 '>>>'=35
'<='=36 '<'=36
'>'=37 '<='=37
'>='=38 '>'=38
'=='=39 '>='=39
'==='=40 '=='=40
'!='=41 '==='=41
'!=='=42 '!='=42
'&'=43 '!=='=43
'^'=44 '&'=44
'|'=45 '^'=45
'&&'=46 '|'=46
'||'=47 '&&'=47
'?'=48 '||'=48
':'=49 '?'=49
'::'=50 ':'=50
'->'=51 '::'=51
'=~'=52 '->'=52
'==~'=53 '=~'=53
'++'=54 '==~'=54
'--'=55 '++'=55
'='=56 '--'=56
'+='=57 '='=57
'-='=58 '+='=58
'*='=59 '-='=59
'/='=60 '*='=60
'%='=61 '/='=61
'&='=62 '%='=62
'^='=63 '&='=63
'|='=64 '^='=64
'<<='=65 '|='=65
'>>='=66 '<<='=66
'>>>='=67 '>>='=67
'true'=74 '>>>='=68
'false'=75 'true'=75
'null'=76 'false'=76
'null'=77

1
modules/lang-painless/src/main/antlr/PainlessParser.g4
View File

@ -105,6 +105,7 @@ expression returns [boolean s = true]
| expression ( FIND | MATCH ) expression { $s = false; } # binary | expression ( FIND | MATCH ) expression { $s = false; } # binary
| expression ( LSH | RSH | USH ) expression { $s = false; } # binary | expression ( LSH | RSH | USH ) expression { $s = false; } # binary
| expression ( LT | LTE | GT | GTE ) expression { $s = false; } # comp | expression ( LT | LTE | GT | GTE ) expression { $s = false; } # comp
| expression INSTANCEOF decltype { $s = false; } # instanceof
| expression ( EQ | EQR | NE | NER ) expression { $s = false; } # comp | expression ( EQ | EQR | NE | NER ) expression { $s = false; } # comp
| expression BWAND expression { $s = false; } # binary | expression BWAND expression { $s = false; } # binary
| expression XOR expression { $s = false; } # binary | expression XOR expression { $s = false; } # binary

206
modules/lang-painless/src/main/antlr/PainlessParser.tokens
View File

@ -22,62 +22,63 @@ TRY=21
CATCH=22 CATCH=22
THROW=23 THROW=23
THIS=24 THIS=24
BOOLNOT=25 INSTANCEOF=25
BWNOT=26 BOOLNOT=26
MUL=27 BWNOT=27
DIV=28 MUL=28
REM=29 DIV=29
ADD=30 REM=30
SUB=31 ADD=31
LSH=32 SUB=32
RSH=33 LSH=33
USH=34 RSH=34
LT=35 USH=35
LTE=36 LT=36
GT=37 LTE=37
GTE=38 GT=38
EQ=39 GTE=39
EQR=40 EQ=40
NE=41 EQR=41
NER=42 NE=42
BWAND=43 NER=43
XOR=44 BWAND=44
BWOR=45 XOR=45
BOOLAND=46 BWOR=46
BOOLOR=47 BOOLAND=47
COND=48 BOOLOR=48
COLON=49 COND=49
REF=50 COLON=50
ARROW=51 REF=51
FIND=52 ARROW=52
MATCH=53 FIND=53
INCR=54 MATCH=54
DECR=55 INCR=55
ASSIGN=56 DECR=56
AADD=57 ASSIGN=57
ASUB=58 AADD=58
AMUL=59 ASUB=59
ADIV=60 AMUL=60
AREM=61 ADIV=61
AAND=62 AREM=62
AXOR=63 AAND=63
AOR=64 AXOR=64
ALSH=65 AOR=65
ARSH=66 ALSH=66
AUSH=67 ARSH=67
OCTAL=68 AUSH=68
HEX=69 OCTAL=69
INTEGER=70 HEX=70
DECIMAL=71 INTEGER=71
STRING=72 DECIMAL=72
REGEX=73 STRING=73
TRUE=74 REGEX=74
FALSE=75 TRUE=75
NULL=76 FALSE=76
TYPE=77 NULL=77
ID=78 TYPE=78
DOTINTEGER=79 ID=79
DOTID=80 DOTINTEGER=80
DOTID=81
'{'=3 '{'=3
'}'=4 '}'=4
'['=5 '['=5
@ -100,49 +101,50 @@ DOTID=80
'catch'=22 'catch'=22
'throw'=23 'throw'=23
'this'=24 'this'=24
'!'=25 'instanceof'=25
'~'=26 '!'=26
'*'=27 '~'=27
'/'=28 '*'=28
'%'=29 '/'=29
'+'=30 '%'=30
'-'=31 '+'=31
'<<'=32 '-'=32
'>>'=33 '<<'=33
'>>>'=34 '>>'=34
'<'=35 '>>>'=35
'<='=36 '<'=36
'>'=37 '<='=37
'>='=38 '>'=38
'=='=39 '>='=39
'==='=40 '=='=40
'!='=41 '==='=41
'!=='=42 '!='=42
'&'=43 '!=='=43
'^'=44 '&'=44
'|'=45 '^'=45
'&&'=46 '|'=46
'||'=47 '&&'=47
'?'=48 '||'=48
':'=49 '?'=49
'::'=50 ':'=50
'->'=51 '::'=51
'=~'=52 '->'=52
'==~'=53 '=~'=53
'++'=54 '==~'=54
'--'=55 '++'=55
'='=56 '--'=56
'+='=57 '='=57
'-='=58 '+='=58
'*='=59 '-='=59
'/='=60 '*='=60
'%='=61 '/='=61
'&='=62 '%='=62
'^='=63 '&='=63
'|='=64 '^='=64
'<<='=65 '|='=65
'>>='=66 '<<='=66
'>>>='=67 '>>='=67
'true'=74 '>>>='=68
'false'=75 'true'=75
'null'=76 'false'=76
'null'=77

35
modules/lang-painless/src/main/java/org/elasticsearch/painless/Augmentation.java
View File

@ -64,6 +64,30 @@ public class Augmentation {
return false; return false;
} }
/** Converts this Iterable to a Collection. Returns the original Iterable if it is already a Collection. */
public static <T> Collection<T> asCollection(Iterable<T> receiver) {
if (receiver instanceof Collection) {
return (Collection<T>)receiver;
}
List<T> list = new ArrayList<>();
for (T t : receiver) {
list.add(t);
}
return list;
}
/** Converts this Iterable to a List. Returns the original Iterable if it is already a List. */
public static <T> List<T> asList(Iterable<T> receiver) {
if (receiver instanceof List) {
return (List<T>)receiver;
}
List<T> list = new ArrayList<>();
for (T t : receiver) {
list.add(t);
}
return list;
}
/** Counts the number of occurrences which satisfy the given predicate from inside this Iterable. */ /** Counts the number of occurrences which satisfy the given predicate from inside this Iterable. */
public static <T> int count(Iterable<T> receiver, Predicate<T> predicate) { public static <T> int count(Iterable<T> receiver, Predicate<T> predicate) {
int count = 0; int count = 0;
@ -155,6 +179,17 @@ public class Augmentation {
return sb.toString(); return sb.toString();
} }
/**
* Sums the result of an Iterable
*/
public static <T extends Number> double sum(Iterable<T> receiver) {
double sum = 0;
for (T t : receiver) {
sum += t.doubleValue();
}
return sum;
}
/** /**
* Sums the result of applying a function to each item of an Iterable. * Sums the result of applying a function to each item of an Iterable.
*/ */

429
modules/lang-painless/src/main/java/org/elasticsearch/painless/antlr/PainlessLexer.java
View File

@ -22,14 +22,14 @@ class PainlessLexer extends Lexer {
public static final int public static final int
WS=1, COMMENT=2, LBRACK=3, RBRACK=4, LBRACE=5, RBRACE=6, LP=7, RP=8, DOT=9, WS=1, COMMENT=2, LBRACK=3, RBRACK=4, LBRACE=5, RBRACE=6, LP=7, RP=8, DOT=9,
COMMA=10, SEMICOLON=11, IF=12, ELSE=13, WHILE=14, DO=15, FOR=16, CONTINUE=17, COMMA=10, SEMICOLON=11, IF=12, ELSE=13, WHILE=14, DO=15, FOR=16, CONTINUE=17,
BREAK=18, RETURN=19, NEW=20, TRY=21, CATCH=22, THROW=23, THIS=24, BOOLNOT=25, BREAK=18, RETURN=19, NEW=20, TRY=21, CATCH=22, THROW=23, THIS=24, INSTANCEOF=25,
BWNOT=26, MUL=27, DIV=28, REM=29, ADD=30, SUB=31, LSH=32, RSH=33, USH=34, BOOLNOT=26, BWNOT=27, MUL=28, DIV=29, REM=30, ADD=31, SUB=32, LSH=33,
LT=35, LTE=36, GT=37, GTE=38, EQ=39, EQR=40, NE=41, NER=42, BWAND=43, RSH=34, USH=35, LT=36, LTE=37, GT=38, GTE=39, EQ=40, EQR=41, NE=42, NER=43,
XOR=44, BWOR=45, BOOLAND=46, BOOLOR=47, COND=48, COLON=49, REF=50, ARROW=51, BWAND=44, XOR=45, BWOR=46, BOOLAND=47, BOOLOR=48, COND=49, COLON=50, REF=51,
FIND=52, MATCH=53, INCR=54, DECR=55, ASSIGN=56, AADD=57, ASUB=58, AMUL=59, ARROW=52, FIND=53, MATCH=54, INCR=55, DECR=56, ASSIGN=57, AADD=58, ASUB=59,
ADIV=60, AREM=61, AAND=62, AXOR=63, AOR=64, ALSH=65, ARSH=66, AUSH=67, AMUL=60, ADIV=61, AREM=62, AAND=63, AXOR=64, AOR=65, ALSH=66, ARSH=67,
OCTAL=68, HEX=69, INTEGER=70, DECIMAL=71, STRING=72, REGEX=73, TRUE=74, AUSH=68, OCTAL=69, HEX=70, INTEGER=71, DECIMAL=72, STRING=73, REGEX=74,
FALSE=75, NULL=76, TYPE=77, ID=78, DOTINTEGER=79, DOTID=80; TRUE=75, FALSE=76, NULL=77, TYPE=78, ID=79, DOTINTEGER=80, DOTID=81;
public static final int AFTER_DOT = 1; public static final int AFTER_DOT = 1;
public static String[] modeNames = { public static String[] modeNames = {
"DEFAULT_MODE", "AFTER_DOT" "DEFAULT_MODE", "AFTER_DOT"
@ -38,9 +38,9 @@ class PainlessLexer extends Lexer {
public static final String[] ruleNames = { public static final String[] ruleNames = {
"WS", "COMMENT", "LBRACK", "RBRACK", "LBRACE", "RBRACE", "LP", "RP", "DOT", "WS", "COMMENT", "LBRACK", "RBRACK", "LBRACE", "RBRACE", "LP", "RP", "DOT",
"COMMA", "SEMICOLON", "IF", "ELSE", "WHILE", "DO", "FOR", "CONTINUE", "COMMA", "SEMICOLON", "IF", "ELSE", "WHILE", "DO", "FOR", "CONTINUE",
"BREAK", "RETURN", "NEW", "TRY", "CATCH", "THROW", "THIS", "BOOLNOT", "BREAK", "RETURN", "NEW", "TRY", "CATCH", "THROW", "THIS", "INSTANCEOF",
"BWNOT", "MUL", "DIV", "REM", "ADD", "SUB", "LSH", "RSH", "USH", "LT", "BOOLNOT", "BWNOT", "MUL", "DIV", "REM", "ADD", "SUB", "LSH", "RSH", "USH",
"LTE", "GT", "GTE", "EQ", "EQR", "NE", "NER", "BWAND", "XOR", "BWOR", "LT", "LTE", "GT", "GTE", "EQ", "EQR", "NE", "NER", "BWAND", "XOR", "BWOR",
"BOOLAND", "BOOLOR", "COND", "COLON", "REF", "ARROW", "FIND", "MATCH", "BOOLAND", "BOOLOR", "COND", "COLON", "REF", "ARROW", "FIND", "MATCH",
"INCR", "DECR", "ASSIGN", "AADD", "ASUB", "AMUL", "ADIV", "AREM", "AAND", "INCR", "DECR", "ASSIGN", "AADD", "ASUB", "AMUL", "ADIV", "AREM", "AAND",
"AXOR", "AOR", "ALSH", "ARSH", "AUSH", "OCTAL", "HEX", "INTEGER", "DECIMAL", "AXOR", "AOR", "ALSH", "ARSH", "AUSH", "OCTAL", "HEX", "INTEGER", "DECIMAL",
@ -51,20 +51,20 @@ class PainlessLexer extends Lexer {
private static final String[] _LITERAL_NAMES = { private static final String[] _LITERAL_NAMES = {
null, null, null, "'{'", "'}'", "'['", "']'", "'('", "')'", "'.'", "','", null, null, null, "'{'", "'}'", "'['", "']'", "'('", "')'", "'.'", "','",
"';'", "'if'", "'else'", "'while'", "'do'", "'for'", "'continue'", "'break'", "';'", "'if'", "'else'", "'while'", "'do'", "'for'", "'continue'", "'break'",
"'return'", "'new'", "'try'", "'catch'", "'throw'", "'this'", "'!'", "'~'", "'return'", "'new'", "'try'", "'catch'", "'throw'", "'this'", "'instanceof'",
"'*'", "'/'", "'%'", "'+'", "'-'", "'<<'", "'>>'", "'>>>'", "'<'", "'<='", "'!'", "'~'", "'*'", "'/'", "'%'", "'+'", "'-'", "'<<'", "'>>'", "'>>>'",
"'>'", "'>='", "'=='", "'==='", "'!='", "'!=='", "'&'", "'^'", "'|'", "'<'", "'<='", "'>'", "'>='", "'=='", "'==='", "'!='", "'!=='", "'&'",
"'&&'", "'||'", "'?'", "':'", "'::'", "'->'", "'=~'", "'==~'", "'++'", "'^'", "'|'", "'&&'", "'||'", "'?'", "':'", "'::'", "'->'", "'=~'", "'==~'",
"'--'", "'='", "'+='", "'-='", "'*='", "'/='", "'%='", "'&='", "'^='", "'++'", "'--'", "'='", "'+='", "'-='", "'*='", "'/='", "'%='", "'&='",
"'|='", "'<<='", "'>>='", "'>>>='", null, null, null, null, null, null, "'^='", "'|='", "'<<='", "'>>='", "'>>>='", null, null, null, null, null,
"'true'", "'false'", "'null'" null, "'true'", "'false'", "'null'"
}; };
private static final String[] _SYMBOLIC_NAMES = { private static final String[] _SYMBOLIC_NAMES = {
null, "WS", "COMMENT", "LBRACK", "RBRACK", "LBRACE", "RBRACE", "LP", "RP", null, "WS", "COMMENT", "LBRACK", "RBRACK", "LBRACE", "RBRACE", "LP", "RP",
"DOT", "COMMA", "SEMICOLON", "IF", "ELSE", "WHILE", "DO", "FOR", "CONTINUE", "DOT", "COMMA", "SEMICOLON", "IF", "ELSE", "WHILE", "DO", "FOR", "CONTINUE",
"BREAK", "RETURN", "NEW", "TRY", "CATCH", "THROW", "THIS", "BOOLNOT", "BREAK", "RETURN", "NEW", "TRY", "CATCH", "THROW", "THIS", "INSTANCEOF",
"BWNOT", "MUL", "DIV", "REM", "ADD", "SUB", "LSH", "RSH", "USH", "LT", "BOOLNOT", "BWNOT", "MUL", "DIV", "REM", "ADD", "SUB", "LSH", "RSH", "USH",
"LTE", "GT", "GTE", "EQ", "EQR", "NE", "NER", "BWAND", "XOR", "BWOR", "LT", "LTE", "GT", "GTE", "EQ", "EQR", "NE", "NER", "BWAND", "XOR", "BWOR",
"BOOLAND", "BOOLOR", "COND", "COLON", "REF", "ARROW", "FIND", "MATCH", "BOOLAND", "BOOLOR", "COND", "COLON", "REF", "ARROW", "FIND", "MATCH",
"INCR", "DECR", "ASSIGN", "AADD", "ASUB", "AMUL", "ADIV", "AREM", "AAND", "INCR", "DECR", "ASSIGN", "AADD", "ASUB", "AMUL", "ADIV", "AREM", "AAND",
"AXOR", "AOR", "ALSH", "ARSH", "AUSH", "OCTAL", "HEX", "INTEGER", "DECIMAL", "AXOR", "AOR", "ALSH", "ARSH", "AUSH", "OCTAL", "HEX", "INTEGER", "DECIMAL",
@ -128,11 +128,11 @@ class PainlessLexer extends Lexer {
@Override @Override
public boolean sempred(RuleContext _localctx, int ruleIndex, int predIndex) { public boolean sempred(RuleContext _localctx, int ruleIndex, int predIndex) {
switch (ruleIndex) { switch (ruleIndex) {
case 27: case 28:
return DIV_sempred((RuleContext)_localctx, predIndex); return DIV_sempred((RuleContext)_localctx, predIndex);
case 72: case 73:
return REGEX_sempred((RuleContext)_localctx, predIndex); return REGEX_sempred((RuleContext)_localctx, predIndex);
case 76: case 77:
return TYPE_sempred((RuleContext)_localctx, predIndex); return TYPE_sempred((RuleContext)_localctx, predIndex);
} }
return true; return true;
@ -160,7 +160,7 @@ class PainlessLexer extends Lexer {
} }
public static final String _serializedATN = public static final String _serializedATN =
"\3\u0430\ud6d1\u8206\uad2d\u4417\uaef1\u8d80\uaadd\2R\u0239\b\1\b\1\4"+ "\3\u0430\ud6d1\u8206\uad2d\u4417\uaef1\u8d80\uaadd\2S\u0246\b\1\b\1\4"+
"\2\t\2\4\3\t\3\4\4\t\4\4\5\t\5\4\6\t\6\4\7\t\7\4\b\t\b\4\t\t\t\4\n\t\n"+ "\2\t\2\4\3\t\3\4\4\t\4\4\5\t\5\4\6\t\6\4\7\t\7\4\b\t\b\4\t\t\t\4\n\t\n"+
"\4\13\t\13\4\f\t\f\4\r\t\r\4\16\t\16\4\17\t\17\4\20\t\20\4\21\t\21\4\22"+ "\4\13\t\13\4\f\t\f\4\r\t\r\4\16\t\16\4\17\t\17\4\20\t\20\4\21\t\21\4\22"+
"\t\22\4\23\t\23\4\24\t\24\4\25\t\25\4\26\t\26\4\27\t\27\4\30\t\30\4\31"+ "\t\22\4\23\t\23\4\24\t\24\4\25\t\25\4\26\t\26\4\27\t\27\4\30\t\30\4\31"+
@ -169,196 +169,201 @@ class PainlessLexer extends Lexer {
"+\4,\t,\4-\t-\4.\t.\4/\t/\4\60\t\60\4\61\t\61\4\62\t\62\4\63\t\63\4\64"+ "+\4,\t,\4-\t-\4.\t.\4/\t/\4\60\t\60\4\61\t\61\4\62\t\62\4\63\t\63\4\64"+
"\t\64\4\65\t\65\4\66\t\66\4\67\t\67\48\t8\49\t9\4:\t:\4;\t;\4<\t<\4=\t"+ "\t\64\4\65\t\65\4\66\t\66\4\67\t\67\48\t8\49\t9\4:\t:\4;\t;\4<\t<\4=\t"+
"=\4>\t>\4?\t?\4@\t@\4A\tA\4B\tB\4C\tC\4D\tD\4E\tE\4F\tF\4G\tG\4H\tH\4"+ "=\4>\t>\4?\t?\4@\t@\4A\tA\4B\tB\4C\tC\4D\tD\4E\tE\4F\tF\4G\tG\4H\tH\4"+
"I\tI\4J\tJ\4K\tK\4L\tL\4M\tM\4N\tN\4O\tO\4P\tP\4Q\tQ\3\2\6\2\u00a6\n\2"+ "I\tI\4J\tJ\4K\tK\4L\tL\4M\tM\4N\tN\4O\tO\4P\tP\4Q\tQ\4R\tR\3\2\6\2\u00a8"+
"\r\2\16\2\u00a7\3\2\3\2\3\3\3\3\3\3\3\3\7\3\u00b0\n\3\f\3\16\3\u00b3\13"+ "\n\2\r\2\16\2\u00a9\3\2\3\2\3\3\3\3\3\3\3\3\7\3\u00b2\n\3\f\3\16\3\u00b5"+
"\3\3\3\3\3\3\3\3\3\3\3\7\3\u00ba\n\3\f\3\16\3\u00bd\13\3\3\3\3\3\5\3\u00c1"+ "\13\3\3\3\3\3\3\3\3\3\3\3\7\3\u00bc\n\3\f\3\16\3\u00bf\13\3\3\3\3\3\5"+
"\n\3\3\3\3\3\3\4\3\4\3\5\3\5\3\6\3\6\3\7\3\7\3\b\3\b\3\t\3\t\3\n\3\n\3"+ "\3\u00c3\n\3\3\3\3\3\3\4\3\4\3\5\3\5\3\6\3\6\3\7\3\7\3\b\3\b\3\t\3\t\3"+
"\n\3\n\3\13\3\13\3\f\3\f\3\r\3\r\3\r\3\16\3\16\3\16\3\16\3\16\3\17\3\17"+ "\n\3\n\3\n\3\n\3\13\3\13\3\f\3\f\3\r\3\r\3\r\3\16\3\16\3\16\3\16\3\16"+
"\3\17\3\17\3\17\3\17\3\20\3\20\3\20\3\21\3\21\3\21\3\21\3\22\3\22\3\22"+ "\3\17\3\17\3\17\3\17\3\17\3\17\3\20\3\20\3\20\3\21\3\21\3\21\3\21\3\22"+
"\3\22\3\22\3\22\3\22\3\22\3\22\3\23\3\23\3\23\3\23\3\23\3\23\3\24\3\24"+ "\3\22\3\22\3\22\3\22\3\22\3\22\3\22\3\22\3\23\3\23\3\23\3\23\3\23\3\23"+
"\3\24\3\24\3\24\3\24\3\24\3\25\3\25\3\25\3\25\3\26\3\26\3\26\3\26\3\27"+ "\3\24\3\24\3\24\3\24\3\24\3\24\3\24\3\25\3\25\3\25\3\25\3\26\3\26\3\26"+
"\3\27\3\27\3\27\3\27\3\27\3\30\3\30\3\30\3\30\3\30\3\30\3\31\3\31\3\31"+ "\3\26\3\27\3\27\3\27\3\27\3\27\3\27\3\30\3\30\3\30\3\30\3\30\3\30\3\31"+
"\3\31\3\31\3\32\3\32\3\33\3\33\3\34\3\34\3\35\3\35\3\35\3\36\3\36\3\37"+ "\3\31\3\31\3\31\3\31\3\32\3\32\3\32\3\32\3\32\3\32\3\32\3\32\3\32\3\32"+
"\3\37\3 \3 \3!\3!\3!\3\"\3\"\3\"\3#\3#\3#\3#\3$\3$\3%\3%\3%\3&\3&\3\'"+ "\3\32\3\33\3\33\3\34\3\34\3\35\3\35\3\36\3\36\3\36\3\37\3\37\3 \3 \3!"+
"\3\'\3\'\3(\3(\3(\3)\3)\3)\3)\3*\3*\3*\3+\3+\3+\3+\3,\3,\3-\3-\3.\3.\3"+ "\3!\3\"\3\"\3\"\3#\3#\3#\3$\3$\3$\3$\3%\3%\3&\3&\3&\3\'\3\'\3(\3(\3(\3"+
"/\3/\3/\3\60\3\60\3\60\3\61\3\61\3\62\3\62\3\63\3\63\3\63\3\64\3\64\3"+ ")\3)\3)\3*\3*\3*\3*\3+\3+\3+\3,\3,\3,\3,\3-\3-\3.\3.\3/\3/\3\60\3\60\3"+
"\64\3\65\3\65\3\65\3\66\3\66\3\66\3\66\3\67\3\67\3\67\38\38\38\39\39\3"+ "\60\3\61\3\61\3\61\3\62\3\62\3\63\3\63\3\64\3\64\3\64\3\65\3\65\3\65\3"+
":\3:\3:\3;\3;\3;\3<\3<\3<\3=\3=\3=\3>\3>\3>\3?\3?\3?\3@\3@\3@\3A\3A\3"+ "\66\3\66\3\66\3\67\3\67\3\67\3\67\38\38\38\39\39\39\3:\3:\3;\3;\3;\3<"+
"A\3B\3B\3B\3B\3C\3C\3C\3C\3D\3D\3D\3D\3D\3E\3E\6E\u019a\nE\rE\16E\u019b"+ "\3<\3<\3=\3=\3=\3>\3>\3>\3?\3?\3?\3@\3@\3@\3A\3A\3A\3B\3B\3B\3C\3C\3C"+
"\3E\5E\u019f\nE\3F\3F\3F\6F\u01a4\nF\rF\16F\u01a5\3F\5F\u01a9\nF\3G\3"+ "\3C\3D\3D\3D\3D\3E\3E\3E\3E\3E\3F\3F\6F\u01a7\nF\rF\16F\u01a8\3F\5F\u01ac"+
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"\t\2\2\u01ba\u01b9\3\2\2\2\u01bb\u01be\3\2\2\2\u01bc\u01ba\3\2\2\2\u01bc"+ "\t\2\2\u01ba\u01b9\3\2\2\2\u01bb\u01be\3\2\2\2\u01bc\u01ba\3\2\2\2\u01bc"+
"\u01bd\3\2\2\2\u01bd\u01c0\3\2\2\2\u01be\u01bc\3\2\2\2\u01bf\u01b7\3\2"+ "\u01bd\3\2\2\2\u01bd\u01c0\3\2\2\2\u01be\u01bc\3\2\2\2\u01bf\u01b7\3\2"+
"\2\2\u01bf\u01b8\3\2\2\2\u01c0\u01c7\3\2\2\2\u01c1\u01c3\5\24\n\2\u01c2"+ "\2\2\u01bf\u01b8\3\2\2\2\u01c0\u01c2\3\2\2\2\u01c1\u01c3\t\n\2\2\u01c2"+
"\u01c4\t\t\2\2\u01c3\u01c2\3\2\2\2\u01c4\u01c5\3\2\2\2\u01c5\u01c3\3\2"+ "\u01c1\3\2\2\2\u01c2\u01c3\3\2\2\2\u01c3\u0091\3\2\2\2\u01c4\u01cd\7\62"+
"\2\2\u01c5\u01c6\3\2\2\2\u01c6\u01c8\3\2\2\2\u01c7\u01c1\3\2\2\2\u01c7"+ "\2\2\u01c5\u01c9\t\b\2\2\u01c6\u01c8\t\t\2\2\u01c7\u01c6\3\2\2\2\u01c8"+
"\u01c8\3\2\2\2\u01c8\u01d2\3\2\2\2\u01c9\u01cb\t\13\2\2\u01ca\u01cc\t"+ "\u01cb\3\2\2\2\u01c9\u01c7\3\2\2\2\u01c9\u01ca\3\2\2\2\u01ca\u01cd\3\2"+
"\f\2\2\u01cb\u01ca\3\2\2\2\u01cb\u01cc\3\2\2\2\u01cc\u01ce\3\2\2\2\u01cd"+ "\2\2\u01cb\u01c9\3\2\2\2\u01cc\u01c4\3\2\2\2\u01cc\u01c5\3\2\2\2\u01cd"+
"\u01cf\t\t\2\2\u01ce\u01cd\3\2\2\2\u01cf\u01d0\3\2\2\2\u01d0\u01ce\3\2"+ "\u01d4\3\2\2\2\u01ce\u01d0\5\24\n\2\u01cf\u01d1\t\t\2\2\u01d0\u01cf\3"+
"\2\2\u01d0\u01d1\3\2\2\2\u01d1\u01d3\3\2\2\2\u01d2\u01c9\3\2\2\2\u01d2"+ "\2\2\2\u01d1\u01d2\3\2\2\2\u01d2\u01d0\3\2\2\2\u01d2\u01d3\3\2\2\2\u01d3"+
"\u01d3\3\2\2\2\u01d3\u01d5\3\2\2\2\u01d4\u01d6\t\r\2\2\u01d5\u01d4\3\2"+ "\u01d5\3\2\2\2\u01d4\u01ce\3\2\2\2\u01d4\u01d5\3\2\2\2\u01d5\u01df\3\2"+
"\2\2\u01d5\u01d6\3\2\2\2\u01d6\u0091\3\2\2\2\u01d7\u01df\7$\2\2\u01d8"+ "\2\2\u01d6\u01d8\t\13\2\2\u01d7\u01d9\t\f\2\2\u01d8\u01d7\3\2\2\2\u01d8"+
"\u01d9\7^\2\2\u01d9\u01de\7$\2\2\u01da\u01db\7^\2\2\u01db\u01de\7^\2\2"+ "\u01d9\3\2\2\2\u01d9\u01db\3\2\2\2\u01da\u01dc\t\t\2\2\u01db\u01da\3\2"+
"\u01dc\u01de\n\16\2\2\u01dd\u01d8\3\2\2\2\u01dd\u01da\3\2\2\2\u01dd\u01dc"+ "\2\2\u01dc\u01dd\3\2\2\2\u01dd\u01db\3\2\2\2\u01dd\u01de\3\2\2\2\u01de"+
"\3\2\2\2\u01de\u01e1\3\2\2\2\u01df\u01e0\3\2\2\2\u01df\u01dd\3\2\2\2\u01e0"+ "\u01e0\3\2\2\2\u01df\u01d6\3\2\2\2\u01df\u01e0\3\2\2\2\u01e0\u01e2\3\2"+
"\u01e2\3\2\2\2\u01e1\u01df\3\2\2\2\u01e2\u01f0\7$\2\2\u01e3\u01eb\7)\2"+ "\2\2\u01e1\u01e3\t\r\2\2\u01e2\u01e1\3\2\2\2\u01e2\u01e3\3\2\2\2\u01e3"+
"\2\u01e4\u01e5\7^\2\2\u01e5\u01ea\7)\2\2\u01e6\u01e7\7^\2\2\u01e7\u01ea"+ "\u0093\3\2\2\2\u01e4\u01ec\7$\2\2\u01e5\u01e6\7^\2\2\u01e6\u01eb\7$\2"+
"\7^\2\2\u01e8\u01ea\n\16\2\2\u01e9\u01e4\3\2\2\2\u01e9\u01e6\3\2\2\2\u01e9"+ "\2\u01e7\u01e8\7^\2\2\u01e8\u01eb\7^\2\2\u01e9\u01eb\n\16\2\2\u01ea\u01e5"+
"\u01e8\3\2\2\2\u01ea\u01ed\3\2\2\2\u01eb\u01ec\3\2\2\2\u01eb\u01e9\3\2"+ "\3\2\2\2\u01ea\u01e7\3\2\2\2\u01ea\u01e9\3\2\2\2\u01eb\u01ee\3\2\2\2\u01ec"+
"\2\2\u01ec\u01ee\3\2\2\2\u01ed\u01eb\3\2\2\2\u01ee\u01f0\7)\2\2\u01ef"+ "\u01ed\3\2\2\2\u01ec\u01ea\3\2\2\2\u01ed\u01ef\3\2\2\2\u01ee\u01ec\3\2"+
"\u01d7\3\2\2\2\u01ef\u01e3\3\2\2\2\u01f0\u0093\3\2\2\2\u01f1\u01f5\7\61"+ "\2\2\u01ef\u01fd\7$\2\2\u01f0\u01f8\7)\2\2\u01f1\u01f2\7^\2\2\u01f2\u01f7"+
"\2\2\u01f2\u01f6\n\17\2\2\u01f3\u01f4\7^\2\2\u01f4\u01f6\n\20\2\2\u01f5"+ "\7)\2\2\u01f3\u01f4\7^\2\2\u01f4\u01f7\7^\2\2\u01f5\u01f7\n\16\2\2\u01f6"+
"\u01f2\3\2\2\2\u01f5\u01f3\3\2\2\2\u01f6\u01f7\3\2\2\2\u01f7\u01f5\3\2"+ "\u01f1\3\2\2\2\u01f6\u01f3\3\2\2\2\u01f6\u01f5\3\2\2\2\u01f7\u01fa\3\2"+
"\2\2\u01f7\u01f8\3\2\2\2\u01f8\u01f9\3\2\2\2\u01f9\u01fd\7\61\2\2\u01fa"+ "\2\2\u01f8\u01f9\3\2\2\2\u01f8\u01f6\3\2\2\2\u01f9\u01fb\3\2\2\2\u01fa"+
"\u01fc\t\21\2\2\u01fb\u01fa\3\2\2\2\u01fc\u01ff\3\2\2\2\u01fd\u01fb\3"+ "\u01f8\3\2\2\2\u01fb\u01fd\7)\2\2\u01fc\u01e4\3\2\2\2\u01fc\u01f0\3\2"+
"\2\2\2\u01fd\u01fe\3\2\2\2\u01fe\u0200\3\2\2\2\u01ff\u01fd\3\2\2\2\u0200"+ "\2\2\u01fd\u0095\3\2\2\2\u01fe\u0202\7\61\2\2\u01ff\u0203\n\17\2\2\u0200"+
"\u0201\6J\3\2\u0201\u0095\3\2\2\2\u0202\u0203\7v\2\2\u0203\u0204\7t\2"+ "\u0201\7^\2\2\u0201\u0203\n\20\2\2\u0202\u01ff\3\2\2\2\u0202\u0200\3\2"+
"\2\u0204\u0205\7w\2\2\u0205\u0206\7g\2\2\u0206\u0097\3\2\2\2\u0207\u0208"+ "\2\2\u0203\u0204\3\2\2\2\u0204\u0202\3\2\2\2\u0204\u0205\3\2\2\2\u0205"+
"\7h\2\2\u0208\u0209\7c\2\2\u0209\u020a\7n\2\2\u020a\u020b\7u\2\2\u020b"+ "\u0206\3\2\2\2\u0206\u020a\7\61\2\2\u0207\u0209\t\21\2\2\u0208\u0207\3"+
"\u020c\7g\2\2\u020c\u0099\3\2\2\2\u020d\u020e\7p\2\2\u020e\u020f\7w\2"+ "\2\2\2\u0209\u020c\3\2\2\2\u020a\u0208\3\2\2\2\u020a\u020b\3\2\2\2\u020b"+
"\2\u020f\u0210\7n\2\2\u0210\u0211\7n\2\2\u0211\u009b\3\2\2\2\u0212\u0218"+ "\u020d\3\2\2\2\u020c\u020a\3\2\2\2\u020d\u020e\6K\3\2\u020e\u0097\3\2"+
"\5\u009eO\2\u0213\u0214\5\24\n\2\u0214\u0215\5\u009eO\2\u0215\u0217\3"+ "\2\2\u020f\u0210\7v\2\2\u0210\u0211\7t\2\2\u0211\u0212\7w\2\2\u0212\u0213"+
"\2\2\2\u0216\u0213\3\2\2\2\u0217\u021a\3\2\2\2\u0218\u0216\3\2\2\2\u0218"+ "\7g\2\2\u0213\u0099\3\2\2\2\u0214\u0215\7h\2\2\u0215\u0216\7c\2\2\u0216"+
"\u0219\3\2\2\2\u0219\u021b\3\2\2\2\u021a\u0218\3\2\2\2\u021b\u021c\6N"+ "\u0217\7n\2\2\u0217\u0218\7u\2\2\u0218\u0219\7g\2\2\u0219\u009b\3\2\2"+
"\4\2\u021c\u009d\3\2\2\2\u021d\u0221\t\22\2\2\u021e\u0220\t\23\2\2\u021f"+ "\2\u021a\u021b\7p\2\2\u021b\u021c\7w\2\2\u021c\u021d\7n\2\2\u021d\u021e"+
"\u021e\3\2\2\2\u0220\u0223\3\2\2\2\u0221\u021f\3\2\2\2\u0221\u0222\3\2"+ "\7n\2\2\u021e\u009d\3\2\2\2\u021f\u0225\5\u00a0P\2\u0220\u0221\5\24\n"+
"\2\2\u0222\u009f\3\2\2\2\u0223\u0221\3\2\2\2\u0224\u022d\7\62\2\2\u0225"+ "\2\u0221\u0222\5\u00a0P\2\u0222\u0224\3\2\2\2\u0223\u0220\3\2\2\2\u0224"+
"\u0229\t\b\2\2\u0226\u0228\t\t\2\2\u0227\u0226\3\2\2\2\u0228\u022b\3\2"+ "\u0227\3\2\2\2\u0225\u0223\3\2\2\2\u0225\u0226\3\2\2\2\u0226\u0228\3\2"+
"\2\2\u0229\u0227\3\2\2\2\u0229\u022a\3\2\2\2\u022a\u022d\3\2\2\2\u022b"+ "\2\2\u0227\u0225\3\2\2\2\u0228\u0229\6O\4\2\u0229\u009f\3\2\2\2\u022a"+
"\u0229\3\2\2\2\u022c\u0224\3\2\2\2\u022c\u0225\3\2\2\2\u022d\u022e\3\2"+ "\u022e\t\22\2\2\u022b\u022d\t\23\2\2\u022c\u022b\3\2\2\2\u022d\u0230\3"+
"\2\2\u022e\u022f\bP\4\2\u022f\u00a1\3\2\2\2\u0230\u0234\t\22\2\2\u0231"+ "\2\2\2\u022e\u022c\3\2\2\2\u022e\u022f\3\2\2\2\u022f\u00a1\3\2\2\2\u0230"+
"\u0233\t\23\2\2\u0232\u0231\3\2\2\2\u0233\u0236\3\2\2\2\u0234\u0232\3"+ "\u022e\3\2\2\2\u0231\u023a\7\62\2\2\u0232\u0236\t\b\2\2\u0233\u0235\t"+
"\2\2\2\u0234\u0235\3\2\2\2\u0235\u0237\3\2\2\2\u0236\u0234\3\2\2\2\u0237"+ "\t\2\2\u0234\u0233\3\2\2\2\u0235\u0238\3\2\2\2\u0236\u0234\3\2\2\2\u0236"+
"\u0238\bQ\4\2\u0238\u00a3\3\2\2\2$\2\3\u00a7\u00b1\u00bb\u00c0\u019b\u019e"+ "\u0237\3\2\2\2\u0237\u023a\3\2\2\2\u0238\u0236\3\2\2\2\u0239\u0231\3\2"+
"\u01a5\u01a8\u01af\u01b2\u01b5\u01bc\u01bf\u01c5\u01c7\u01cb\u01d0\u01d2"+ "\2\2\u0239\u0232\3\2\2\2\u023a\u023b\3\2\2\2\u023b\u023c\bQ\4\2\u023c"+
"\u01d5\u01dd\u01df\u01e9\u01eb\u01ef\u01f5\u01f7\u01fd\u0218\u0221\u0229"+ "\u00a3\3\2\2\2\u023d\u0241\t\22\2\2\u023e\u0240\t\23\2\2\u023f\u023e\3"+
"\u022c\u0234\5\b\2\2\4\3\2\4\2\2"; "\2\2\2\u0240\u0243\3\2\2\2\u0241\u023f\3\2\2\2\u0241\u0242\3\2\2\2\u0242"+
"\u0244\3\2\2\2\u0243\u0241\3\2\2\2\u0244\u0245\bR\4\2\u0245\u00a5\3\2"+
"\2\2$\2\3\u00a9\u00b3\u00bd\u00c2\u01a8\u01ab\u01b2\u01b5\u01bc\u01bf"+
"\u01c2\u01c9\u01cc\u01d2\u01d4\u01d8\u01dd\u01df\u01e2\u01ea\u01ec\u01f6"+
"\u01f8\u01fc\u0202\u0204\u020a\u0225\u022e\u0236\u0239\u0241\5\b\2\2\4"+
"\3\2\4\2\2";
public static final ATN _ATN = public static final ATN _ATN =
new ATNDeserializer().deserialize(_serializedATN.toCharArray()); new ATNDeserializer().deserialize(_serializedATN.toCharArray());
static { static {

834
modules/lang-painless/src/main/java/org/elasticsearch/painless/antlr/PainlessParser.java
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7
modules/lang-painless/src/main/java/org/elasticsearch/painless/antlr/PainlessParserBaseVisitor.java
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@ -228,6 +228,13 @@ class PainlessParserBaseVisitor<T> extends AbstractParseTreeVisitor<T> implement
* {@link #visitChildren} on {@code ctx}.</p> * {@link #visitChildren} on {@code ctx}.</p>
*/ */
@Override public T visitBinary(PainlessParser.BinaryContext ctx) { return visitChildren(ctx); } @Override public T visitBinary(PainlessParser.BinaryContext ctx) { return visitChildren(ctx); }
/**
* {@inheritDoc}
*
* <p>The default implementation returns the result of calling
* {@link #visitChildren} on {@code ctx}.</p>
*/
@Override public T visitInstanceof(PainlessParser.InstanceofContext ctx) { return visitChildren(ctx); }
/** /**
* {@inheritDoc} * {@inheritDoc}
* *

7
modules/lang-painless/src/main/java/org/elasticsearch/painless/antlr/PainlessParserVisitor.java
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@ -214,6 +214,13 @@ interface PainlessParserVisitor<T> extends ParseTreeVisitor<T> {
* @return the visitor result * @return the visitor result
*/ */
T visitBinary(PainlessParser.BinaryContext ctx); T visitBinary(PainlessParser.BinaryContext ctx);
/**
* Visit a parse tree produced by the {@code instanceof}
* labeled alternative in {@link PainlessParser#expression}.
* @param ctx the parse tree
* @return the visitor result
*/
T visitInstanceof(PainlessParser.InstanceofContext ctx);
/** /**
* Visit a parse tree produced by the {@code pre} * Visit a parse tree produced by the {@code pre}
* labeled alternative in {@link PainlessParser#unary}. * labeled alternative in {@link PainlessParser#unary}.

9
modules/lang-painless/src/main/java/org/elasticsearch/painless/antlr/Walker.java
View File

@ -82,6 +82,7 @@ import org.elasticsearch.painless.antlr.PainlessParser.FuncrefContext;
import org.elasticsearch.painless.antlr.PainlessParser.FunctionContext; import org.elasticsearch.painless.antlr.PainlessParser.FunctionContext;
import org.elasticsearch.painless.antlr.PainlessParser.IfContext; import org.elasticsearch.painless.antlr.PainlessParser.IfContext;
import org.elasticsearch.painless.antlr.PainlessParser.InitializerContext; import org.elasticsearch.painless.antlr.PainlessParser.InitializerContext;
import org.elasticsearch.painless.antlr.PainlessParser.InstanceofContext;
import org.elasticsearch.painless.antlr.PainlessParser.LambdaContext; import org.elasticsearch.painless.antlr.PainlessParser.LambdaContext;
import org.elasticsearch.painless.antlr.PainlessParser.LamtypeContext; import org.elasticsearch.painless.antlr.PainlessParser.LamtypeContext;
import org.elasticsearch.painless.antlr.PainlessParser.LocalFuncrefContext; import org.elasticsearch.painless.antlr.PainlessParser.LocalFuncrefContext;
@ -124,6 +125,7 @@ import org.elasticsearch.painless.node.EConditional;
import org.elasticsearch.painless.node.EDecimal; import org.elasticsearch.painless.node.EDecimal;
import org.elasticsearch.painless.node.EExplicit; import org.elasticsearch.painless.node.EExplicit;
import org.elasticsearch.painless.node.EFunctionRef; import org.elasticsearch.painless.node.EFunctionRef;
import org.elasticsearch.painless.node.EInstanceof;
import org.elasticsearch.painless.node.ELambda; import org.elasticsearch.painless.node.ELambda;
import org.elasticsearch.painless.node.ENull; import org.elasticsearch.painless.node.ENull;
import org.elasticsearch.painless.node.ENumeric; import org.elasticsearch.painless.node.ENumeric;
@ -1107,6 +1109,13 @@ public final class Walker extends PainlessParserBaseVisitor<Object> {
throw location(ctx).createError(new IllegalStateException("Illegal tree structure.")); throw location(ctx).createError(new IllegalStateException("Illegal tree structure."));
} }
@Override
public Object visitInstanceof(InstanceofContext ctx) {
AExpression expr = (AExpression)visitExpression(ctx.expression());
String type = ctx.decltype().getText();
return new EInstanceof(location(ctx), expr, type);
}
/** Returns name of next lambda */ /** Returns name of next lambda */
private String nextLambda() { private String nextLambda() {
return "lambda$" + syntheticCounter++; return "lambda$" + syntheticCounter++;

89
modules/lang-painless/src/main/java/org/elasticsearch/painless/node/EInstanceof.java Normal file
View File

@ -0,0 +1,89 @@
/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch licenses this file to you under
* the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.painless.node;
import org.elasticsearch.painless.Definition;
import org.elasticsearch.painless.Globals;
import org.elasticsearch.painless.Locals;
import org.elasticsearch.painless.Location;
import org.elasticsearch.painless.MethodWriter;
import java.lang.invoke.MethodType;
import java.util.Objects;
import java.util.Set;
/**
* Represents instanceof operator.
* <p>
* Unlike java's, this works for primitive types too.
*/
public class EInstanceof extends AExpression {
AExpression expression;
final String type;
Class<?> resolvedType;
Class<?> expressionType;
boolean primitiveExpression;
public EInstanceof(Location location, AExpression expression, String type) {
super(location);
this.expression = Objects.requireNonNull(expression);
this.type = Objects.requireNonNull(type);
}
@Override
void extractVariables(Set<String> variables) {
expression.extractVariables(variables);
}
@Override
void analyze(Locals locals) {
Definition.Type raw = Definition.getType(type);
// map to wrapped type for primitive types
resolvedType = MethodType.methodType(raw.clazz).wrap().returnType();
expression.analyze(locals);
actual = Definition.BOOLEAN_TYPE;
Definition.Type expressionRaw = expression.actual;
if (expressionRaw == null) {
expressionRaw = Definition.DEF_TYPE;
}
// record if the expression returns a primitive
primitiveExpression = expressionRaw.clazz.isPrimitive();
// map to wrapped type for primitive types
expressionType = MethodType.methodType(expressionRaw.clazz).wrap().returnType();
}
@Override
void write(MethodWriter writer, Globals globals) {
// primitive types
if (primitiveExpression) {
// run the expression anyway (who knows what it does)
expression.write(writer, globals);
// discard its result
writer.writePop(expression.actual.type.getSize());
// push our result: its a primitive so it cannot be null.
writer.push(resolvedType.isAssignableFrom(expressionType));
} else {
// ordinary instanceof
expression.write(writer, globals);
writer.instanceOf(org.objectweb.asm.Type.getType(resolvedType));
}
}
}

7
modules/lang-painless/src/main/java/org/elasticsearch/painless/node/package-info.java
View File

@ -22,7 +22,7 @@
* <p> * <p>
* The following are the types of nodes: * The following are the types of nodes:
* A* (abstract) - These are the abstract nodes that are the superclasses for the other types. * A* (abstract) - These are the abstract nodes that are the superclasses for the other types.
* I* (interface) -- Thse are marker interfaces to denote a property of the node. * I* (interface) -- These are marker interfaces to denote a property of the node.
* S* (statement) - These are nodes that represent a statement in Painless. These are the highest level nodes. * S* (statement) - These are nodes that represent a statement in Painless. These are the highest level nodes.
* E* (expression) - These are nodes that represent an expression in Painless. These are the middle level nodes. * E* (expression) - These are nodes that represent an expression in Painless. These are the middle level nodes.
* L* (link) - These are nodes that represent a piece of a variable/method chain. The are the lowest level nodes. * L* (link) - These are nodes that represent a piece of a variable/method chain. The are the lowest level nodes.
@ -44,8 +44,9 @@
* {@link org.elasticsearch.painless.node.EDecimal} - Represents a decimal constant. * {@link org.elasticsearch.painless.node.EDecimal} - Represents a decimal constant.
* {@link org.elasticsearch.painless.node.EExplicit} - Represents an explicit cast. * {@link org.elasticsearch.painless.node.EExplicit} - Represents an explicit cast.
* {@link org.elasticsearch.painless.node.EFunctionRef} - Represents a function reference (non-capturing). * {@link org.elasticsearch.painless.node.EFunctionRef} - Represents a function reference (non-capturing).
* {@link org.elasticsearch.painless.node.EInstanceof} - Represents an instanceof check.
* {@link org.elasticsearch.painless.node.EListInit} - Represents a list initialization shortcut. * {@link org.elasticsearch.painless.node.EListInit} - Represents a list initialization shortcut.
* {@link org.elasticsearch.painless.node.EMapInit} - Represents a map initializiation shortcut. * {@link org.elasticsearch.painless.node.EMapInit} - Represents a map initialization shortcut.
* {@link org.elasticsearch.painless.node.ENull} - Represents a null constant. * {@link org.elasticsearch.painless.node.ENull} - Represents a null constant.
* {@link org.elasticsearch.painless.node.ENumeric} - Represents a non-decimal numeric constant. * {@link org.elasticsearch.painless.node.ENumeric} - Represents a non-decimal numeric constant.
* {@link org.elasticsearch.painless.node.EUnary} - Represents a unary math expression. * {@link org.elasticsearch.painless.node.EUnary} - Represents a unary math expression.
@ -92,7 +93,7 @@
* All Painless trees must start with an SSource node at the root. Each node has a constructor that requires * All Painless trees must start with an SSource node at the root. Each node has a constructor that requires
* all of its values and children be passed in at the time of instantiation. This means that Painless trees * all of its values and children be passed in at the time of instantiation. This means that Painless trees
* are build bottom-up; however, this helps enforce tree structure to be correct and fits naturally with a * are build bottom-up; however, this helps enforce tree structure to be correct and fits naturally with a
* standard recurvise-descent parser. * standard recursive-descent parser.
* <p> * <p>
* Generally, statement nodes have member data that evaluate legal control-flow during the analysis phase. * Generally, statement nodes have member data that evaluate legal control-flow during the analysis phase.
* The typical order for statement nodes is for each node to call analyze on it's children during the analysis phase * The typical order for statement nodes is for each node to call analyze on it's children during the analysis phase

3
modules/lang-painless/src/main/resources/org/elasticsearch/painless/java.lang.txt
View File

@ -52,12 +52,15 @@ class Iterable -> java.lang.Iterable {
Spliterator spliterator() Spliterator spliterator()
# some adaptations of groovy methods # some adaptations of groovy methods
boolean any*(Predicate) boolean any*(Predicate)
Collection asCollection*()
List asList*()
def each*(Consumer) def each*(Consumer)
def eachWithIndex*(ObjIntConsumer) def eachWithIndex*(ObjIntConsumer)
boolean every*(Predicate) boolean every*(Predicate)
List findResults*(Function) List findResults*(Function)
Map groupBy*(Function) Map groupBy*(Function)
String join*(String) String join*(String)
double sum*()
double sum*(ToDoubleFunction) double sum*(ToDoubleFunction)
} }

13
modules/lang-painless/src/test/java/org/elasticsearch/painless/AugmentationTests.java
View File

@ -58,6 +58,18 @@ public class AugmentationTests extends ScriptTestCase {
exec("List l = new ArrayList(); l.add(1); l.any(x -> x == 1)")); exec("List l = new ArrayList(); l.add(1); l.any(x -> x == 1)"));
} }
public void testIterable_AsCollection() {
assertEquals(true,
exec("List l = new ArrayList(); return l.asCollection() === l"));
}
public void testIterable_AsList() {
assertEquals(true,
exec("List l = new ArrayList(); return l.asList() === l"));
assertEquals(5,
exec("Set l = new HashSet(); l.add(5); return l.asList()[0]"));
}
public void testIterable_Each() { public void testIterable_Each() {
assertEquals(1, assertEquals(1,
exec("List l = new ArrayList(); l.add(1); List l2 = new ArrayList(); l.each(l2::add); return l2.size()")); exec("List l = new ArrayList(); l.add(1); List l2 = new ArrayList(); l.each(l2::add); return l2.size()"));
@ -88,6 +100,7 @@ public class AugmentationTests extends ScriptTestCase {
} }
public void testIterable_Sum() { public void testIterable_Sum() {
assertEquals(3.0D, exec("def l = [1,2]; return l.sum()"));
assertEquals(5.0D, assertEquals(5.0D,
exec("List l = new ArrayList(); l.add(1); l.add(2); l.sum(x -> x + 1)")); exec("List l = new ArrayList(); l.add(1); l.add(2); l.sum(x -> x + 1)"));
} }

22
modules/lang-painless/src/test/java/org/elasticsearch/painless/ComparisonTests.java
View File

@ -439,4 +439,26 @@ public class ComparisonTests extends ScriptTestCase {
assertEquals(true, exec("def x = (float)6; double y = (double)2; return x >= y")); assertEquals(true, exec("def x = (float)6; double y = (double)2; return x >= y"));
assertEquals(true, exec("def x = (double)7; double y = (double)1; return x >= y")); assertEquals(true, exec("def x = (double)7; double y = (double)1; return x >= y"));
} }
public void testInstanceOf() {
assertEquals(true, exec("int x = 5; return x instanceof int"));
assertEquals(true, exec("int x = 5; return x instanceof Number"));
assertEquals(true, exec("int x = 5; return x instanceof Integer"));
assertEquals(true, exec("int x = 5; return x instanceof def"));
assertEquals(true, exec("int x = 5; return x instanceof Object"));
assertEquals(true, exec("def x = 5; return x instanceof int"));
assertEquals(true, exec("def x = 5; return x instanceof def"));
assertEquals(true, exec("def x = 5; return x instanceof Object"));
assertEquals(true, exec("def x = 5; return x instanceof Integer"));
assertEquals(true, exec("def x = 5; return x instanceof Number"));
assertEquals(false, exec("def x = 5; return x instanceof float"));
assertEquals(false, exec("def x = 5; return x instanceof Map"));
assertEquals(true, exec("List l = new ArrayList(); return l instanceof List"));
assertEquals(false, exec("List l = null; return l instanceof List"));
assertEquals(true, exec("List l = new ArrayList(); return l instanceof Collection"));
assertEquals(false, exec("List l = new ArrayList(); return l instanceof Map"));
assertEquals(true, exec("int[] x = new int[] { 5 }; return x instanceof int[]"));
assertEquals(false, exec("int[] x = new int[] { 5 }; return x instanceof float[]"));
assertEquals(false, exec("int[] x = new int[] { 5 }; return x instanceof int[][]"));
}
} }