aboutsummaryrefslogblamecommitdiffstats
path: root/infrastructure/rhino1_7R1/javadoc/org/mozilla/javascript/Function.html
blob: 55712dcca965477dd831175010de834c0e88996e (plain) (tree)








































































































































































































































































































                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<!--NewPage-->
<HTML>
<HEAD>
<!-- Generated by javadoc (build 1.6.0) on Thu Mar 06 17:19:15 EST 2008 -->
<TITLE>
Function (Rhino)
</TITLE>

<META NAME="date" CONTENT="2008-03-06">

<LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style">

<SCRIPT type="text/javascript">
function windowTitle()
{
    if (location.href.indexOf('is-external=true') == -1) {
        parent.document.title="Function (Rhino)";
    }
}
</SCRIPT>
<NOSCRIPT>
</NOSCRIPT>

</HEAD>

<BODY BGCOLOR="white" onload="windowTitle();">
<HR>


<!-- ========= START OF TOP NAVBAR ======= -->
<A NAME="navbar_top"><!-- --></A>
<A HREF="#skip-navbar_top" title="Skip navigation links"></A>
<TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY="">
<TR>
<TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1">
<A NAME="navbar_top_firstrow"><!-- --></A>
<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY="">
  <TR ALIGN="center" VALIGN="top">
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> &nbsp;<FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A>&nbsp;</TD>
  </TR>
</TABLE>
</TD>
<TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM>
</EM>
</TD>
</TR>

<TR>
<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
&nbsp;<A HREF="../../../org/mozilla/javascript/EvaluatorException.html" title="class in org.mozilla.javascript"><B>PREV CLASS</B></A>&nbsp;
&nbsp;<A HREF="../../../org/mozilla/javascript/FunctionObject.html" title="class in org.mozilla.javascript"><B>NEXT CLASS</B></A></FONT></TD>
<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
  <A HREF="../../../index.html?org/mozilla/javascript/Function.html" target="_top"><B>FRAMES</B></A>  &nbsp;
&nbsp;<A HREF="Function.html" target="_top"><B>NO FRAMES</B></A>  &nbsp;
&nbsp;<SCRIPT type="text/javascript">
  <!--
  if(window==top) {
    document.writeln('<A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A>');
  }
  //-->
</SCRIPT>
<NOSCRIPT>
  <A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A>
</NOSCRIPT>


</FONT></TD>
</TR>
<TR>
<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
  SUMMARY:&nbsp;NESTED&nbsp;|&nbsp;FIELD&nbsp;|&nbsp;CONSTR&nbsp;|&nbsp;<A HREF="#method_summary">METHOD</A></FONT></TD>
<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
DETAIL:&nbsp;FIELD&nbsp;|&nbsp;CONSTR&nbsp;|&nbsp;<A HREF="#method_detail">METHOD</A></FONT></TD>
</TR>
</TABLE>
<A NAME="skip-navbar_top"></A>
<!-- ========= END OF TOP NAVBAR ========= -->

<HR>
<!-- ======== START OF CLASS DATA ======== -->
<H2>
<FONT SIZE="-1">
org.mozilla.javascript</FONT>
<BR>
Interface Function</H2>
<DL>
<DT><B>All Superinterfaces:</B> <DD><A HREF="../../../org/mozilla/javascript/Callable.html" title="interface in org.mozilla.javascript">Callable</A>, <A HREF="../../../org/mozilla/javascript/Scriptable.html" title="interface in org.mozilla.javascript">Scriptable</A></DD>
</DL>
<DL>
<DT><B>All Known Implementing Classes:</B> <DD>org.mozilla.javascript.BaseFunction, org.mozilla.javascript.Delegator, <A HREF="../../../org/mozilla/javascript/FunctionObject.html" title="class in org.mozilla.javascript">FunctionObject</A>, <A HREF="../../../org/mozilla/javascript/Synchronizer.html" title="class in org.mozilla.javascript">Synchronizer</A></DD>
</DL>
<HR>
<DL>
<DT><PRE>public interface <B>Function</B><DT>extends <A HREF="../../../org/mozilla/javascript/Scriptable.html" title="interface in org.mozilla.javascript">Scriptable</A>, <A HREF="../../../org/mozilla/javascript/Callable.html" title="interface in org.mozilla.javascript">Callable</A></DL>
</PRE>

<P>
This is interface that all functions in JavaScript must implement.
 The interface provides for calling functions and constructors.
<P>

<P>
<DL>
<DT><B>Author:</B></DT>
  <DD>Norris Boyd</DD>
<DT><B>See Also:</B><DD><A HREF="../../../org/mozilla/javascript/Scriptable.html" title="interface in org.mozilla.javascript"><CODE>Scriptable</CODE></A></DL>
<HR>

<P>
<!-- =========== FIELD SUMMARY =========== -->

<A NAME="field_summary"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
<B>Field Summary</B></FONT></TH>
</TR>
</TABLE>
&nbsp;<A NAME="fields_inherited_from_class_org.mozilla.javascript.Scriptable"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Fields inherited from interface org.mozilla.javascript.<A HREF="../../../org/mozilla/javascript/Scriptable.html" title="interface in org.mozilla.javascript">Scriptable</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../org/mozilla/javascript/Scriptable.html#NOT_FOUND">NOT_FOUND</A></CODE></TD>
</TR>
</TABLE>
&nbsp;
<!-- ========== METHOD SUMMARY =========== -->

<A NAME="method_summary"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
<B>Method Summary</B></FONT></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.lang.Object</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/mozilla/javascript/Function.html#call(org.mozilla.javascript.Context, org.mozilla.javascript.Scriptable, org.mozilla.javascript.Scriptable, java.lang.Object[])">call</A></B>(<A HREF="../../../org/mozilla/javascript/Context.html" title="class in org.mozilla.javascript">Context</A>&nbsp;cx,
     <A HREF="../../../org/mozilla/javascript/Scriptable.html" title="interface in org.mozilla.javascript">Scriptable</A>&nbsp;scope,
     <A HREF="../../../org/mozilla/javascript/Scriptable.html" title="interface in org.mozilla.javascript">Scriptable</A>&nbsp;thisObj,
     java.lang.Object[]&nbsp;args)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Call the function.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../org/mozilla/javascript/Scriptable.html" title="interface in org.mozilla.javascript">Scriptable</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/mozilla/javascript/Function.html#construct(org.mozilla.javascript.Context, org.mozilla.javascript.Scriptable, java.lang.Object[])">construct</A></B>(<A HREF="../../../org/mozilla/javascript/Context.html" title="class in org.mozilla.javascript">Context</A>&nbsp;cx,
          <A HREF="../../../org/mozilla/javascript/Scriptable.html" title="interface in org.mozilla.javascript">Scriptable</A>&nbsp;scope,
          java.lang.Object[]&nbsp;args)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Call the function as a constructor.</TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_org.mozilla.javascript.Scriptable"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from interface org.mozilla.javascript.<A HREF="../../../org/mozilla/javascript/Scriptable.html" title="interface in org.mozilla.javascript">Scriptable</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../org/mozilla/javascript/Scriptable.html#delete(int)">delete</A>, <A HREF="../../../org/mozilla/javascript/Scriptable.html#delete(java.lang.String)">delete</A>, <A HREF="../../../org/mozilla/javascript/Scriptable.html#get(int, org.mozilla.javascript.Scriptable)">get</A>, <A HREF="../../../org/mozilla/javascript/Scriptable.html#get(java.lang.String, org.mozilla.javascript.Scriptable)">get</A>, <A HREF="../../../org/mozilla/javascript/Scriptable.html#getClassName()">getClassName</A>, <A HREF="../../../org/mozilla/javascript/Scriptable.html#getDefaultValue(java.lang.Class)">getDefaultValue</A>, <A HREF="../../../org/mozilla/javascript/Scriptable.html#getIds()">getIds</A>, <A HREF="../../../org/mozilla/javascript/Scriptable.html#getParentScope()">getParentScope</A>, <A HREF="../../../org/mozilla/javascript/Scriptable.html#getPrototype()">getPrototype</A>, <A HREF="../../../org/mozilla/javascript/Scriptable.html#has(int, org.mozilla.javascript.Scriptable)">has</A>, <A HREF="../../../org/mozilla/javascript/Scriptable.html#has(java.lang.String, org.mozilla.javascript.Scriptable)">has</A>, <A HREF="../../../org/mozilla/javascript/Scriptable.html#hasInstance(org.mozilla.javascript.Scriptable)">hasInstance</A>, <A HREF="../../../org/mozilla/javascript/Scriptable.html#put(int, org.mozilla.javascript.Scriptable, java.lang.Object)">put</A>, <A HREF="../../../org/mozilla/javascript/Scriptable.html#put(java.lang.String, org.mozilla.javascript.Scriptable, java.lang.Object)">put</A>, <A HREF="../../../org/mozilla/javascript/Scriptable.html#setParentScope(org.mozilla.javascript.Scriptable)">setParentScope</A>, <A HREF="../../../org/mozilla/javascript/Scriptable.html#setPrototype(org.mozilla.javascript.Scriptable)">setPrototype</A></CODE></TD>
</TR>
</TABLE>
&nbsp;
<P>

<!-- ============ METHOD DETAIL ========== -->

<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Method Detail</B></FONT></TH>
</TR>
</TABLE>

<A NAME="call(org.mozilla.javascript.Context, org.mozilla.javascript.Scriptable, org.mozilla.javascript.Scriptable, java.lang.Object[])"><!-- --></A><H3>
call</H3>
<PRE>
java.lang.Object <B>call</B>(<A HREF="../../../org/mozilla/javascript/Context.html" title="class in org.mozilla.javascript">Context</A>&nbsp;cx,
                      <A HREF="../../../org/mozilla/javascript/Scriptable.html" title="interface in org.mozilla.javascript">Scriptable</A>&nbsp;scope,
                      <A HREF="../../../org/mozilla/javascript/Scriptable.html" title="interface in org.mozilla.javascript">Scriptable</A>&nbsp;thisObj,
                      java.lang.Object[]&nbsp;args)</PRE>
<DL>
<DD>Call the function.

 Note that the array of arguments is not guaranteed to have
 length greater than 0.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../org/mozilla/javascript/Callable.html#call(org.mozilla.javascript.Context, org.mozilla.javascript.Scriptable, org.mozilla.javascript.Scriptable, java.lang.Object[])">call</A></CODE> in interface <CODE><A HREF="../../../org/mozilla/javascript/Callable.html" title="interface in org.mozilla.javascript">Callable</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>cx</CODE> - the current Context for this thread<DD><CODE>scope</CODE> - the scope to execute the function relative to. This is
              set to the value returned by getParentScope() except
              when the function is called from a closure.<DD><CODE>thisObj</CODE> - the JavaScript <code>this</code> object<DD><CODE>args</CODE> - the array of arguments
<DT><B>Returns:</B><DD>the result of the call</DL>
</DD>
</DL>
<HR>

<A NAME="construct(org.mozilla.javascript.Context, org.mozilla.javascript.Scriptable, java.lang.Object[])"><!-- --></A><H3>
construct</H3>
<PRE>
<A HREF="../../../org/mozilla/javascript/Scriptable.html" title="interface in org.mozilla.javascript">Scriptable</A> <B>construct</B>(<A HREF="../../../org/mozilla/javascript/Context.html" title="class in org.mozilla.javascript">Context</A>&nbsp;cx,
                     <A HREF="../../../org/mozilla/javascript/Scriptable.html" title="interface in org.mozilla.javascript">Scriptable</A>&nbsp;scope,
                     java.lang.Object[]&nbsp;args)</PRE>
<DL>
<DD>Call the function as a constructor.

 This method is invoked by the runtime in order to satisfy a use
 of the JavaScript <code>new</code> operator.  This method is
 expected to create a new object and return it.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>cx</CODE> - the current Context for this thread<DD><CODE>scope</CODE> - an enclosing scope of the caller except
              when the function is called from a closure.<DD><CODE>args</CODE> - the array of arguments
<DT><B>Returns:</B><DD>the allocated object</DL>
</DD>
</DL>
<!-- ========= END OF CLASS DATA ========= -->
<HR>


<!-- ======= START OF BOTTOM NAVBAR ====== -->
<A NAME="navbar_bottom"><!-- --></A>
<A HREF="#skip-navbar_bottom" title="Skip navigation links"></A>
<TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY="">
<TR>
<TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1">
<A NAME="navbar_bottom_firstrow"><!-- --></A>
<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY="">
  <TR ALIGN="center" VALIGN="top">
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> &nbsp;<FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A>&nbsp;</TD>
  </TR>
</TABLE>
</TD>
<TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM>
</EM>
</TD>
</TR>

<TR>
<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
&nbsp;<A HREF="../../../org/mozilla/javascript/EvaluatorException.html" title="class in org.mozilla.javascript"><B>PREV CLASS</B></A>&nbsp;
&nbsp;<A HREF="../../../org/mozilla/javascript/FunctionObject.html" title="class in org.mozilla.javascript"><B>NEXT CLASS</B></A></FONT></TD>
<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
  <A HREF="../../../index.html?org/mozilla/javascript/Function.html" target="_top"><B>FRAMES</B></A>  &nbsp;
&nbsp;<A HREF="Function.html" target="_top"><B>NO FRAMES</B></A>  &nbsp;
&nbsp;<SCRIPT type="text/javascript">
  <!--
  if(window==top) {
    document.writeln('<A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A>');
  }
  //-->
</SCRIPT>
<NOSCRIPT>
  <A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A>
</NOSCRIPT>


</FONT></TD>
</TR>
<TR>
<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
  SUMMARY:&nbsp;NESTED&nbsp;|&nbsp;FIELD&nbsp;|&nbsp;CONSTR&nbsp;|&nbsp;<A HREF="#method_summary">METHOD</A></FONT></TD>
<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
DETAIL:&nbsp;FIELD&nbsp;|&nbsp;CONSTR&nbsp;|&nbsp;<A HREF="#method_detail">METHOD</A></FONT></TD>
</TR>
</TABLE>
<A NAME="skip-navbar_bottom"></A>
<!-- ======== END OF BOTTOM NAVBAR ======= -->

<HR>

</BODY>
</HTML>