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public static int murmurhash3x8632 ( byte [ ] data , int offset , int len , int seed ) { int c1 = 0xcc9e2d51 ; int c2 = 0x1b873593 ; int h1 = seed ; int roundedEnd = offset + ( len & 0xfffffffc ) ; for ( int i = offset ; i < roundedEnd ; i += 4 ) { int k1 = ( data [ i ] & 0xff ) | ( ( data [ i + 1 ] & 0xff ) << 8 ) | (...
This code is public domain .
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public static Map < String , ? > getMapFromProperties ( Properties properties , String prefix ) { Map < String , Object > result = new HashMap < String , Object > ( ) ; for ( String key : properties . stringPropertyNames ( ) ) { if ( key . startsWith ( prefix ) ) { String name = key . substring ( prefix . length ( ) ) ...
Extract a Map from some properties by removing a prefix from the key names .
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public Collection < GrantedAuthority > getGrantedAuthorities ( DirContextOperations user , String username ) { String userDn = user . getNameInNamespace ( ) ; if ( logger . isDebugEnabled ( ) ) { logger . debug ( "Getting authorities for user " + userDn ) ; } Set < GrantedAuthority > roles = getGroupMembershipRoles ( u...
Obtains the authorities for the user who s directory entry is represented by the supplied LdapUserDetails object .
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public void setDefaultRole ( String defaultRole ) { Assert . notNull ( defaultRole , "The defaultRole property cannot be set to null" ) ; this . defaultRole = new SimpleGrantedAuthority ( defaultRole ) ; }
The default role which will be assigned to all users .
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public void setSearchSubtree ( boolean searchSubtree ) { int searchScope = searchSubtree ? SearchControls . SUBTREE_SCOPE : SearchControls . ONELEVEL_SCOPE ; searchControls . setSearchScope ( searchScope ) ; }
If set to true a subtree scope search will be performed . If false a single - level search is used .
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private boolean checkFilter ( SCIMFilter filter ) { switch ( filter . getFilterType ( ) ) { case AND : case OR : return checkFilter ( filter . getFilterComponents ( ) . get ( 0 ) ) | checkFilter ( filter . getFilterComponents ( ) . get ( 1 ) ) ; case EQUALITY : String name = filter . getFilterAttribute ( ) . getAttribu...
Returns true if the field id or userName are present in the query .
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private ModelAndView getUserApprovalPageResponse ( Map < String , Object > model , AuthorizationRequest authorizationRequest , Authentication principal ) { logger . debug ( "Loading user approval page: " + userApprovalPage ) ; model . putAll ( userApprovalHandler . getUserApprovalRequest ( authorizationRequest , princi...
We need explicit approval from the user .
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protected String getOrigin ( Principal principal ) { if ( principal instanceof Authentication ) { Authentication caller = ( Authentication ) principal ; StringBuilder builder = new StringBuilder ( ) ; if ( caller instanceof OAuth2Authentication ) { OAuth2Authentication oAuth2Authentication = ( OAuth2Authentication ) ca...
due to some OAuth authentication scenarios which don t set it .
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public Set < Map < String , String [ ] > > searchForMultipleAttributeValues ( final String base , final String filter , final Object [ ] params , final String [ ] attributeNames ) { Object [ ] encodedParams = new String [ params . length ] ; for ( int i = 0 ; i < params . length ; i ++ ) { encodedParams [ i ] = LdapEnc...
Performs a search using the supplied filter and returns the values of each named attribute found in all entries matched by the search . Note that one directory entry may have several values for the attribute . Intended for role searches and similar scenarios .
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public void setParams ( List < AstNode > params ) { if ( params == null ) { this . params = null ; } else { if ( this . params != null ) this . params . clear ( ) ; for ( AstNode param : params ) addParam ( param ) ; } }
Sets the function parameter list and sets the parent for each element of the list .
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public void addParam ( AstNode param ) { assertNotNull ( param ) ; if ( params == null ) { params = new ArrayList < AstNode > ( ) ; } params . add ( param ) ; param . setParent ( this ) ; }
Adds a parameter to the function parameter list . Sets the parent of the param node to this node .
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public void visit ( NodeVisitor v ) { if ( v . visit ( this ) ) { if ( functionName != null ) { functionName . visit ( v ) ; } for ( AstNode param : getParams ( ) ) { param . visit ( v ) ; } getBody ( ) . visit ( v ) ; if ( ! isExpressionClosure ) { if ( memberExprNode != null ) { memberExprNode . visit ( v ) ; } } } }
Visits this node the function name node if supplied the parameters and the body . If there is a member - expr node it is visited last .
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public static Context getCurrentContext ( ) { Object helper = VMBridge . instance . getThreadContextHelper ( ) ; return VMBridge . instance . getContext ( helper ) ; }
Get the current Context .
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public static void exit ( ) { Object helper = VMBridge . instance . getThreadContextHelper ( ) ; Context cx = VMBridge . instance . getContext ( helper ) ; if ( cx == null ) { throw new IllegalStateException ( "Calling Context.exit without previous Context.enter" ) ; } if ( cx . enterCount < 1 ) Kit . codeBug ( ) ; if ...
Exit a block of code requiring a Context .
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public void setLanguageVersion ( int version ) { if ( sealed ) onSealedMutation ( ) ; checkLanguageVersion ( version ) ; Object listeners = propertyListeners ; if ( listeners != null && version != this . version ) { firePropertyChangeImpl ( listeners , languageVersionProperty , Integer . valueOf ( this . version ) , In...
Set the language version .
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public final String getImplementationVersion ( ) { if ( implementationVersion == null ) { Enumeration < URL > urls ; try { urls = Context . class . getClassLoader ( ) . getResources ( "META-INF/MANIFEST.MF" ) ; } catch ( IOException ioe ) { return null ; } while ( urls . hasMoreElements ( ) ) { URL metaUrl = urls . nex...
Get the implementation version .
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public final ErrorReporter setErrorReporter ( ErrorReporter reporter ) { if ( sealed ) onSealedMutation ( ) ; if ( reporter == null ) throw new IllegalArgumentException ( ) ; ErrorReporter old = getErrorReporter ( ) ; if ( reporter == old ) { return old ; } Object listeners = propertyListeners ; if ( listeners != null ...
Change the current error reporter .
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public final Locale setLocale ( Locale loc ) { if ( sealed ) onSealedMutation ( ) ; Locale result = locale ; locale = loc ; return result ; }
Set the current locale .
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public final void addPropertyChangeListener ( PropertyChangeListener l ) { if ( sealed ) onSealedMutation ( ) ; propertyListeners = Kit . addListener ( propertyListeners , l ) ; }
Register an object to receive notifications when a bound property has changed
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public final void removePropertyChangeListener ( PropertyChangeListener l ) { if ( sealed ) onSealedMutation ( ) ; propertyListeners = Kit . removeListener ( propertyListeners , l ) ; }
Remove an object from the list of objects registered to receive notification of changes to a bounded property
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final void firePropertyChange ( String property , Object oldValue , Object newValue ) { Object listeners = propertyListeners ; if ( listeners != null ) { firePropertyChangeImpl ( listeners , property , oldValue , newValue ) ; } }
Notify any registered listeners that a bounded property has changed
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public final Object evaluateString ( Scriptable scope , String source , String sourceName , int lineno , Object securityDomain ) { Script script = compileString ( source , sourceName , lineno , securityDomain ) ; if ( script != null ) { return script . exec ( this , scope ) ; } return null ; }
Evaluate a JavaScript source string .
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public final Object evaluateReader ( Scriptable scope , Reader in , String sourceName , int lineno , Object securityDomain ) throws IOException { Script script = compileReader ( scope , in , sourceName , lineno , securityDomain ) ; if ( script != null ) { return script . exec ( this , scope ) ; } return null ; }
Evaluate a reader as JavaScript source .
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public Scriptable newObject ( Scriptable scope ) { NativeObject result = new NativeObject ( ) ; ScriptRuntime . setBuiltinProtoAndParent ( result , scope , TopLevel . Builtins . Object ) ; return result ; }
Create a new JavaScript object .
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public Scriptable newObject ( Scriptable scope , String constructorName ) { return newObject ( scope , constructorName , ScriptRuntime . emptyArgs ) ; }
Create a new JavaScript object by executing the named constructor .
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public Scriptable newObject ( Scriptable scope , String constructorName , Object [ ] args ) { return ScriptRuntime . newObject ( this , scope , constructorName , args ) ; }
Creates a new JavaScript object by executing the named constructor .
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public Scriptable newArray ( Scriptable scope , Object [ ] elements ) { if ( elements . getClass ( ) . getComponentType ( ) != ScriptRuntime . ObjectClass ) throw new IllegalArgumentException ( ) ; NativeArray result = new NativeArray ( elements ) ; ScriptRuntime . setBuiltinProtoAndParent ( result , scope , TopLevel ....
Create an array with a set of initial elements .
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public static Object jsToJava ( Object value , Class < ? > desiredType ) throws EvaluatorException { return NativeJavaObject . coerceTypeImpl ( desiredType , value ) ; }
Convert a JavaScript value into the desired type . Uses the semantics defined with LiveConnect3 and throws an Illegal argument exception if the conversion cannot be performed .
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public final void removeThreadLocal ( Object key ) { if ( sealed ) onSealedMutation ( ) ; if ( threadLocalMap == null ) return ; threadLocalMap . remove ( key ) ; }
Remove values from thread - local storage .
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public final void setDebugger ( Debugger debugger , Object contextData ) { if ( sealed ) onSealedMutation ( ) ; this . debugger = debugger ; debuggerData = contextData ; }
Set the associated debugger .
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public static DebuggableScript getDebuggableView ( Script script ) { if ( script instanceof NativeFunction ) { return ( ( NativeFunction ) script ) . getDebuggableView ( ) ; } return null ; }
Return DebuggableScript instance if any associated with the script . If callable supports DebuggableScript implementation the method returns it . Otherwise null is returned .
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SecurityController getSecurityController ( ) { SecurityController global = SecurityController . global ( ) ; if ( global != null ) { return global ; } return securityController ; }
The method must NOT be public or protected
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public void addActivationName ( String name ) { if ( sealed ) onSealedMutation ( ) ; if ( activationNames == null ) activationNames = new HashSet < String > ( ) ; activationNames . add ( name ) ; }
Add a name to the list of names forcing the creation of real activation objects for functions .
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public void removeActivationName ( String name ) { if ( sealed ) onSealedMutation ( ) ; if ( activationNames != null ) activationNames . remove ( name ) ; }
Remove a name from the list of names forcing the creation of real activation objects for functions .
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private static int preferSignature ( Object [ ] args , Class < ? > [ ] sig1 , boolean vararg1 , Class < ? > [ ] sig2 , boolean vararg2 ) { int totalPreference = 0 ; for ( int j = 0 ; j < args . length ; j ++ ) { Class < ? > type1 = vararg1 && j >= sig1 . length ? sig1 [ sig1 . length - 1 ] : sig1 [ j ] ; Class < ? > ty...
Determine which of two signatures is the closer fit . Returns one of PREFERENCE_EQUAL PREFERENCE_FIRST_ARG PREFERENCE_SECOND_ARG or PREFERENCE_AMBIGUOUS .
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static Object callSecurely ( final CodeSource codeSource , Callable callable , Context cx , Scriptable scope , Scriptable thisObj , Object [ ] args ) { final Thread thread = Thread . currentThread ( ) ; final ClassLoader classLoader = ( ClassLoader ) AccessController . doPrivileged ( new PrivilegedAction < Object > ( )...
Call the specified callable using a protection domain belonging to the specified code source .
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public void visit ( NodeVisitor v ) { if ( v . visit ( this ) && value != null ) { value . visit ( v ) ; } }
Visits this node and if present the yielded value .
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public void visit ( NodeVisitor v ) { if ( v . visit ( this ) ) { initializer . visit ( v ) ; condition . visit ( v ) ; increment . visit ( v ) ; body . visit ( v ) ; } }
Visits this node the initializer expression the loop condition expression the increment expression and then the loop body .
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public void setParentScope ( Scope parentScope ) { this . parentScope = parentScope ; this . top = parentScope == null ? ( ScriptNode ) this : parentScope . top ; }
Sets parent scope
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public void addChildScope ( Scope child ) { if ( childScopes == null ) { childScopes = new ArrayList < Scope > ( ) ; } childScopes . add ( child ) ; child . setParentScope ( this ) ; }
Add a scope to our list of child scopes . Sets the child s parent scope to this scope .
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public void replaceWith ( Scope newScope ) { if ( childScopes != null ) { for ( Scope kid : childScopes ) { newScope . addChildScope ( kid ) ; } childScopes . clear ( ) ; childScopes = null ; } if ( symbolTable != null && ! symbolTable . isEmpty ( ) ) { joinScopes ( this , newScope ) ; } }
Used by the parser ; not intended for typical use . Changes the parent - scope links for this scope s child scopes to the specified new scope . Copies symbols from this scope into new scope .
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public static Scope splitScope ( Scope scope ) { Scope result = new Scope ( scope . getType ( ) ) ; result . symbolTable = scope . symbolTable ; scope . symbolTable = null ; result . parent = scope . parent ; result . setParentScope ( scope . getParentScope ( ) ) ; result . setParentScope ( result ) ; scope . parent = ...
Creates a new scope node moving symbol table information from scope to the new node and making scope a nested scope contained by the new node . Useful for injecting a new scope in a scope chain .
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public static void joinScopes ( Scope source , Scope dest ) { Map < String , Symbol > src = source . ensureSymbolTable ( ) ; Map < String , Symbol > dst = dest . ensureSymbolTable ( ) ; if ( ! Collections . disjoint ( src . keySet ( ) , dst . keySet ( ) ) ) { codeBug ( ) ; } for ( Map . Entry < String , Symbol > entry ...
Copies all symbols from source scope to dest scope .
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public Scope getDefiningScope ( String name ) { for ( Scope s = this ; s != null ; s = s . parentScope ) { Map < String , Symbol > symbolTable = s . getSymbolTable ( ) ; if ( symbolTable != null && symbolTable . containsKey ( name ) ) { return s ; } } return null ; }
Returns the scope in which this name is defined
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public Symbol getSymbol ( String name ) { return symbolTable == null ? null : symbolTable . get ( name ) ; }
Looks up a symbol in this scope .
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public void putSymbol ( Symbol symbol ) { if ( symbol . getName ( ) == null ) throw new IllegalArgumentException ( "null symbol name" ) ; ensureSymbolTable ( ) ; symbolTable . put ( symbol . getName ( ) , symbol ) ; symbol . setContainingTable ( this ) ; top . addSymbol ( symbol ) ; }
Enters a symbol into this scope .
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public void visit ( NodeVisitor v ) { if ( v . visit ( this ) ) { variables . visit ( v ) ; if ( body != null ) { body . visit ( v ) ; } } }
Visits this node the variable list and if present the body expression or statement .
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public void setImmunePrototypeProperty ( Object value ) { if ( ( prototypePropertyAttributes & READONLY ) != 0 ) { throw new IllegalStateException ( ) ; } prototypeProperty = ( value != null ) ? value : UniqueTag . NULL_VALUE ; prototypePropertyAttributes = DONTENUM | PERMANENT | READONLY ; }
Make value as DontEnum DontDelete ReadOnly prototype property of this Function object
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public Object call ( Context cx , Scriptable scope , Scriptable thisObj , Object [ ] args ) { return Undefined . instance ; }
Should be overridden .
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private static Object [ ] getSortedIds ( final Scriptable s ) { final Object [ ] ids = getIds ( s ) ; Arrays . sort ( ids , ( a , b ) -> { if ( a instanceof Integer ) { if ( b instanceof Integer ) { return ( ( Integer ) a ) . compareTo ( ( Integer ) b ) ; } else if ( b instanceof String || b instanceof Symbol ) { retur...
Sort IDs deterministically
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public Object intern ( Object keyArg ) { boolean nullKey = false ; if ( keyArg == null ) { nullKey = true ; keyArg = UniqueTag . NULL_VALUE ; } int index = ensureIndex ( keyArg ) ; values [ index ] = 0 ; return ( nullKey ) ? null : keys [ index ] ; }
If table already contains a key that equals to keyArg return that key while setting its value to zero otherwise add keyArg with 0 value to the table and return it .
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public void visit ( NodeVisitor v ) { if ( v . visit ( this ) ) { condition . visit ( v ) ; thenPart . visit ( v ) ; if ( elsePart != null ) { elsePart . visit ( v ) ; } } }
Visits this node the condition the then - part and if supplied the else - part .
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public Scriptable wrapNewObject ( Context cx , Scriptable scope , Object obj ) { if ( obj instanceof Scriptable ) { return ( Scriptable ) obj ; } Class < ? > cls = obj . getClass ( ) ; if ( cls . isArray ( ) ) { return NativeJavaArray . wrap ( scope , obj ) ; } return wrapAsJavaObject ( cx , scope , obj , null ) ; }
Wrap an object newly created by a constructor call .
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public void setBody ( AstNode body ) { this . body = body ; int end = body . getPosition ( ) + body . getLength ( ) ; this . setLength ( end - this . getPosition ( ) ) ; body . setParent ( this ) ; }
Sets loop body . Sets the parent of the body to this loop node and updates its offset to be relative . Extends the length of this node to include the body .
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public static boolean equalImplementations ( NativeContinuation c1 , NativeContinuation c2 ) { return Objects . equals ( c1 . implementation , c2 . implementation ) ; }
Returns true if both continuations have equal implementations .
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NativeJavaPackage forcePackage ( String name , Scriptable scope ) { Object cached = super . get ( name , this ) ; if ( cached != null && cached instanceof NativeJavaPackage ) { return ( NativeJavaPackage ) cached ; } String newPackage = packageName . length ( ) == 0 ? name : packageName + "." + name ; NativeJavaPackage...
need to look for a class by that name
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public boolean hasInstance ( Scriptable value ) { Scriptable proto = value . getPrototype ( ) ; while ( proto != null ) { if ( proto . equals ( this ) ) return true ; proto = proto . getPrototype ( ) ; } return false ; }
instanceof operator .
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static boolean accept ( Object nameObj ) { String name ; try { name = ScriptRuntime . toString ( nameObj ) ; } catch ( EcmaError ee ) { if ( "TypeError" . equals ( ee . getName ( ) ) ) { return false ; } throw ee ; } int length = name . length ( ) ; if ( length != 0 ) { if ( isNCNameStartChar ( name . charAt ( 0 ) ) ) ...
See ECMA357 13 . 1 . 2 . 1
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static void loadFromIterable ( Context cx , Scriptable scope , ScriptableObject set , Object arg1 ) { if ( ( arg1 == null ) || Undefined . instance . equals ( arg1 ) ) { return ; } Object ito = ScriptRuntime . callIterator ( arg1 , cx , scope ) ; if ( Undefined . instance . equals ( ito ) ) { return ; } ScriptableObjec...
If an iterable object was passed to the constructor there are many many things to do . This is common code with NativeWeakSet .
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public KeywordLiteral setType ( int nodeType ) { if ( ! ( nodeType == Token . THIS || nodeType == Token . NULL || nodeType == Token . TRUE || nodeType == Token . FALSE || nodeType == Token . DEBUGGER ) ) throw new IllegalArgumentException ( "Invalid node type: " + nodeType ) ; type = nodeType ; return this ; }
Sets node token type
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public static Class < ? > classOrNull ( ClassLoader loader , String className ) { try { return loader . loadClass ( className ) ; } catch ( ClassNotFoundException ex ) { } catch ( SecurityException ex ) { } catch ( LinkageError ex ) { } catch ( IllegalArgumentException e ) { } return null ; }
Attempt to load the class of the given name . Note that the type parameter isn t checked .
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public Scriptable getExtraMethodSource ( Context cx ) { if ( hasSimpleContent ( ) ) { String src = toString ( ) ; return ScriptRuntime . toObjectOrNull ( cx , src ) ; } return null ; }
See ECMA 357 11_2_2_1 Semantics 3_f .
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static void normalizedBoundaries ( long d64 , DiyFp m_minus , DiyFp m_plus ) { DiyFp v = asDiyFp ( d64 ) ; boolean significand_is_zero = ( v . f ( ) == kHiddenBit ) ; m_plus . setF ( ( v . f ( ) << 1 ) + 1 ) ; m_plus . setE ( v . e ( ) - 1 ) ; m_plus . normalize ( ) ; if ( significand_is_zero && v . e ( ) != kDenormalE...
exponent as m_plus .
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public synchronized static void initGlobal ( ContextFactory factory ) { if ( factory == null ) { throw new IllegalArgumentException ( ) ; } if ( hasCustomGlobal ) { throw new IllegalStateException ( ) ; } hasCustomGlobal = true ; global = factory ; }
Set global ContextFactory . The method can only be called once .
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public final void initApplicationClassLoader ( ClassLoader loader ) { if ( loader == null ) throw new IllegalArgumentException ( "loader is null" ) ; if ( ! Kit . testIfCanLoadRhinoClasses ( loader ) ) throw new IllegalArgumentException ( "Loader can not resolve Rhino classes" ) ; if ( this . applicationClassLoader != ...
Set explicit class loader to use when searching for Java classes .
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protected Object doTopCall ( Callable callable , Context cx , Scriptable scope , Scriptable thisObj , Object [ ] args ) { Object result = callable . call ( cx , scope , thisObj , args ) ; return result instanceof ConsString ? result . toString ( ) : result ; }
Execute top call to script or function . When the runtime is about to execute a script or function that will create the first stack frame with scriptable code it calls this method to perform the real call . In this way execution of any script happens inside this function .
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public ScriptableObject . Slot query ( Object key , int index ) { if ( slots == null ) { return null ; } final int indexOrHash = ( key != null ? key . hashCode ( ) : index ) ; final int slotIndex = getSlotIndex ( slots . length , indexOrHash ) ; for ( ScriptableObject . Slot slot = slots [ slotIndex ] ; slot != null ; ...
Locate the slot with the given name or index .
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public ScriptableObject . Slot get ( Object key , int index , ScriptableObject . SlotAccess accessType ) { if ( slots == null && accessType == SlotAccess . QUERY ) { return null ; } final int indexOrHash = ( key != null ? key . hashCode ( ) : index ) ; ScriptableObject . Slot slot = null ; if ( slots != null ) { final ...
Locate the slot with given name or index . Depending on the accessType parameter and the current slot status a new slot may be allocated .
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private void addKnownAbsentSlot ( ScriptableObject . Slot [ ] addSlots , ScriptableObject . Slot slot ) { final int insertPos = getSlotIndex ( addSlots . length , slot . indexOrHash ) ; ScriptableObject . Slot old = addSlots [ insertPos ] ; addSlots [ insertPos ] = slot ; slot . next = old ; }
Add slot with keys that are known to absent from the table . This is an optimization to use when inserting into empty table after table growth or during deserialization .
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int [ ] getTrimmedLocals ( ) { int last = locals . length - 1 ; while ( last >= 0 && locals [ last ] == TypeInfo . TOP && ! TypeInfo . isTwoWords ( locals [ last - 1 ] ) ) { last -- ; } last ++ ; int size = last ; for ( int i = 0 ; i < last ; i ++ ) { if ( TypeInfo . isTwoWords ( locals [ i ] ) ) { size -- ; } } int [ ...
Get a copy of the super block s locals without any trailing TOP types .
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private boolean mergeState ( int [ ] current , int [ ] incoming , int size , ConstantPool pool ) { boolean changed = false ; for ( int i = 0 ; i < size ; i ++ ) { int currentType = current [ i ] ; current [ i ] = TypeInfo . merge ( current [ i ] , incoming [ i ] , pool ) ; if ( currentType != current [ i ] ) { changed ...
Merge an operand stack or local variable array with incoming state .
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private DocumentBuilder getDocumentBuilderFromPool ( ) throws ParserConfigurationException { DocumentBuilder builder = documentBuilderPool . pollFirst ( ) ; if ( builder == null ) { builder = getDomFactory ( ) . newDocumentBuilder ( ) ; } builder . setErrorHandler ( errorHandler ) ; return builder ; }
Get from pool or create one without locking if needed .
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public void visit ( NodeVisitor v ) { if ( v . visit ( this ) ) { iterator . visit ( v ) ; iteratedObject . visit ( v ) ; } }
Visits the iterator expression and the iterated object expression . There is no body - expression for this loop type .
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static BigInteger pow5mult ( BigInteger b , int k ) { return b . multiply ( BigInteger . valueOf ( 5 ) . pow ( k ) ) ; }
XXXX the C version built a cache of these
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public boolean has ( Symbol key , Scriptable start ) { return null != slotMap . query ( key , 0 ) ; }
A version of has that supports symbols .
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public Object get ( Symbol key , Scriptable start ) { Slot slot = slotMap . query ( key , 0 ) ; if ( slot == null ) { return Scriptable . NOT_FOUND ; } return slot . getValue ( start ) ; }
Another version of Get that supports Symbol keyed properties .
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public void put ( Symbol key , Scriptable start , Object value ) { if ( putImpl ( key , 0 , start , value ) ) return ; if ( start == this ) throw Kit . codeBug ( ) ; ensureSymbolScriptable ( start ) . put ( key , start , value ) ; }
Implementation of put required by SymbolScriptable objects .
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public void delete ( int index ) { checkNotSealed ( null , index ) ; slotMap . remove ( null , index ) ; }
Removes the indexed property from the object .
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public void putConst ( String name , Scriptable start , Object value ) { if ( putConstImpl ( name , 0 , start , value , READONLY ) ) return ; if ( start == this ) throw Kit . codeBug ( ) ; if ( start instanceof ConstProperties ) ( ( ConstProperties ) start ) . putConst ( name , start , value ) ; else start . put ( name...
Sets the value of the named const property creating it if need be .
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public boolean isConst ( String name ) { Slot slot = slotMap . query ( name , 0 ) ; if ( slot == null ) { return false ; } return ( slot . getAttributes ( ) & ( PERMANENT | READONLY ) ) == ( PERMANENT | READONLY ) ; }
Returns true if the named property is defined as a const on this object .
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public void setAttributes ( String name , int attributes ) { checkNotSealed ( name , 0 ) ; findAttributeSlot ( name , 0 , SlotAccess . MODIFY ) . setAttributes ( attributes ) ; }
Set the attributes of a named property .
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public void setAttributes ( int index , int attributes ) { checkNotSealed ( null , index ) ; findAttributeSlot ( null , index , SlotAccess . MODIFY ) . setAttributes ( attributes ) ; }
Set the attributes of an indexed property .
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public void setAttributes ( Symbol key , int attributes ) { checkNotSealed ( key , 0 ) ; findAttributeSlot ( key , SlotAccess . MODIFY ) . setAttributes ( attributes ) ; }
Set attributes of a Symbol - keyed property .
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protected boolean isGetterOrSetter ( String name , int index , boolean setter ) { Slot slot = slotMap . query ( name , index ) ; if ( slot instanceof GetterSlot ) { if ( setter && ( ( GetterSlot ) slot ) . setter != null ) return true ; if ( ! setter && ( ( GetterSlot ) slot ) . getter != null ) return true ; } return ...
Returns whether a property is a getter or a setter
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public static < T extends Scriptable > void defineClass ( Scriptable scope , Class < T > clazz ) throws IllegalAccessException , InstantiationException , InvocationTargetException { defineClass ( scope , clazz , false , false ) ; }
Defines JavaScript objects from a Java class that implements Scriptable .
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public static < T extends Scriptable > String defineClass ( Scriptable scope , Class < T > clazz , boolean sealed , boolean mapInheritance ) throws IllegalAccessException , InstantiationException , InvocationTargetException { BaseFunction ctor = buildClassCtor ( scope , clazz , sealed , mapInheritance ) ; if ( ctor == ...
Defines JavaScript objects from a Java class optionally allowing sealing and mapping of Java inheritance to JavaScript prototype - based inheritance .
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public void defineProperty ( Symbol key , Object value , int attributes ) { checkNotSealed ( key , 0 ) ; put ( key , this , value ) ; setAttributes ( key , attributes ) ; }
A version of defineProperty that uses a Symbol key .
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public void defineProperty ( String propertyName , Class < ? > clazz , int attributes ) { int length = propertyName . length ( ) ; if ( length == 0 ) throw new IllegalArgumentException ( ) ; char [ ] buf = new char [ 3 + length ] ; propertyName . getChars ( 0 , length , buf , 3 ) ; buf [ 3 ] = Character . toUpperCase (...
Define a JavaScript property with getter and setter side effects .
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public void defineOwnProperties ( Context cx , ScriptableObject props ) { Object [ ] ids = props . getIds ( false , true ) ; ScriptableObject [ ] descs = new ScriptableObject [ ids . length ] ; for ( int i = 0 , len = ids . length ; i < len ; ++ i ) { Object descObj = ScriptRuntime . getObjectElem ( props , ids [ i ] ,...
Defines one or more properties on this object .
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protected boolean sameValue ( Object newValue , Object currentValue ) { if ( newValue == NOT_FOUND ) { return true ; } if ( currentValue == NOT_FOUND ) { currentValue = Undefined . instance ; } if ( currentValue instanceof Number && newValue instanceof Number ) { double d1 = ( ( Number ) currentValue ) . doubleValue ( ...
Implements SameValue as described in ES5 9 . 12 additionally checking if new value is defined .
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public void defineFunctionProperties ( String [ ] names , Class < ? > clazz , int attributes ) { Method [ ] methods = FunctionObject . getMethodList ( clazz ) ; for ( int i = 0 ; i < names . length ; i ++ ) { String name = names [ i ] ; Method m = FunctionObject . findSingleMethod ( methods , name ) ; if ( m == null ) ...
Search for names in a class adding the resulting methods as properties .
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public static Scriptable getObjectPrototype ( Scriptable scope ) { return TopLevel . getBuiltinPrototype ( getTopLevelScope ( scope ) , TopLevel . Builtins . Object ) ; }
Get the Object . prototype property . See ECMA 15 . 2 . 4 .
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public static Scriptable getFunctionPrototype ( Scriptable scope ) { return TopLevel . getBuiltinPrototype ( getTopLevelScope ( scope ) , TopLevel . Builtins . Function ) ; }
Get the Function . prototype property . See ECMA 15 . 3 . 4 .
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public static Scriptable getClassPrototype ( Scriptable scope , String className ) { scope = getTopLevelScope ( scope ) ; Object ctor = getProperty ( scope , className ) ; Object proto ; if ( ctor instanceof BaseFunction ) { proto = ( ( BaseFunction ) ctor ) . getPrototypeProperty ( ) ; } else if ( ctor instanceof Scri...
Get the prototype for the named class .
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public static Scriptable getTopLevelScope ( Scriptable obj ) { for ( ; ; ) { Scriptable parent = obj . getParentScope ( ) ; if ( parent == null ) { return obj ; } obj = parent ; } }
Get the global scope .
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public void sealObject ( ) { if ( ! isSealed ) { final long stamp = slotMap . readLock ( ) ; try { for ( Slot slot : slotMap ) { Object value = slot . value ; if ( value instanceof LazilyLoadedCtor ) { LazilyLoadedCtor initializer = ( LazilyLoadedCtor ) value ; try { initializer . init ( ) ; } finally { slot . value = ...
Seal this object .
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public static Object getProperty ( Scriptable obj , Symbol key ) { Scriptable start = obj ; Object result ; do { result = ensureSymbolScriptable ( obj ) . get ( key , start ) ; if ( result != Scriptable . NOT_FOUND ) break ; obj = obj . getPrototype ( ) ; } while ( obj != null ) ; return result ; }
This is a version of getProperty that works with Symbols .
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public static void putProperty ( Scriptable obj , Symbol key , Object value ) { Scriptable base = getBase ( obj , key ) ; if ( base == null ) base = obj ; ensureSymbolScriptable ( base ) . put ( key , obj , value ) ; }
This is a version of putProperty for Symbol keys .
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public static Object callMethod ( Context cx , Scriptable obj , String methodName , Object [ ] args ) { Object funObj = getProperty ( obj , methodName ) ; if ( ! ( funObj instanceof Function ) ) { throw ScriptRuntime . notFunctionError ( obj , methodName ) ; } Function fun = ( Function ) funObj ; Scriptable scope = Scr...
Call a method of an object .
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public final Object getAssociatedValue ( Object key ) { Map < Object , Object > h = associatedValues ; if ( h == null ) return null ; return h . get ( key ) ; }
Get arbitrary application - specific value associated with this object .