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| org.eclipse.wst.jsdt.core.eval</FONT> |
| <BR> |
| Interface ICodeSnippetRequestor</H2> |
| <HR> |
| <DL> |
| <DT><PRE>public interface <B>ICodeSnippetRequestor</B></DL> |
| </PRE> |
| |
| <P> |
| A code snippet requestor implements a callback interface for installing |
| the class files for a code snippet on the target and running it. |
| In addition, it receives compilation problems detected during code snippet |
| compilation. |
| <p> |
| Clients may implement this interface to provide a bridge a running JavaScript VM. |
| </p> |
| <P> |
| |
| <P> |
| <DL> |
| <DT><B>See Also:</B><DD><CODE>IEvaluationContext#evaluateCodeSnippet(String, ICodeSnippetRequestor, org.eclipse.core.runtime.IProgressMonitor)</CODE>, |
| <CODE>Provisional API: This class/interface is part of an interim API that is still under development and expected to |
| change significantly before reaching stability. It is being made available at this early stage to solicit feedback |
| from pioneering adopters on the understanding that any code that uses this API will almost certainly be broken |
| (repeatedly) as the API evolves.</CODE></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> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>static int</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../../org/eclipse/wst/jsdt/core/eval/ICodeSnippetRequestor.html#CODE_SNIPPET">CODE_SNIPPET</A></B></CODE> |
| |
| <BR> |
| Indicates a compilation problem related to a code snippet.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>static java.lang.String</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../../org/eclipse/wst/jsdt/core/eval/ICodeSnippetRequestor.html#DELEGATE_THIS">DELEGATE_THIS</A></B></CODE> |
| |
| <BR> |
| The name of the field that represent 'this' in a snippet class |
| instance.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>static int</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../../org/eclipse/wst/jsdt/core/eval/ICodeSnippetRequestor.html#IMPORT">IMPORT</A></B></CODE> |
| |
| <BR> |
| Indicates a compilation problem related to an import declaration.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>static int</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../../org/eclipse/wst/jsdt/core/eval/ICodeSnippetRequestor.html#INTERNAL">INTERNAL</A></B></CODE> |
| |
| <BR> |
| Indicates an internal problem.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>static java.lang.String</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../../org/eclipse/wst/jsdt/core/eval/ICodeSnippetRequestor.html#LOCAL_VAR_PREFIX">LOCAL_VAR_PREFIX</A></B></CODE> |
| |
| <BR> |
| The prefix of fields that represent the local variables in a snippet |
| class.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>static int</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../../org/eclipse/wst/jsdt/core/eval/ICodeSnippetRequestor.html#PACKAGE">PACKAGE</A></B></CODE> |
| |
| <BR> |
| Indicates a compilation problem related to a package declaration.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>static java.lang.String</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../../org/eclipse/wst/jsdt/core/eval/ICodeSnippetRequestor.html#RESULT_TYPE_FIELD">RESULT_TYPE_FIELD</A></B></CODE> |
| |
| <BR> |
| The field of type java.lang.Class on the code snippet instance that contains the type of the returned value.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>static java.lang.String</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../../org/eclipse/wst/jsdt/core/eval/ICodeSnippetRequestor.html#RESULT_VALUE_FIELD">RESULT_VALUE_FIELD</A></B></CODE> |
| |
| <BR> |
| The name of the field (of type <code>java.lang.Object</code>) on the code |
| snippet instance that contains the returned value.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>static java.lang.String</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../../org/eclipse/wst/jsdt/core/eval/ICodeSnippetRequestor.html#RUN_METHOD">RUN_METHOD</A></B></CODE> |
| |
| <BR> |
| The name of the instance method in the snippet class that runs the code |
| snippet.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>static int</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../../org/eclipse/wst/jsdt/core/eval/ICodeSnippetRequestor.html#VARIABLE">VARIABLE</A></B></CODE> |
| |
| <BR> |
| Indicates a compilation problem related to a global variable.</TD> |
| </TR> |
| </TABLE> |
| |
| <!-- ========== METHOD SUMMARY =========== --> |
| |
| <A NAME="method_summary"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| <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> boolean</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../../org/eclipse/wst/jsdt/core/eval/ICodeSnippetRequestor.html#acceptClassFiles(byte[][], java.lang.String[][], java.lang.String)">acceptClassFiles</A></B>(byte[][] classFileBytes, |
| java.lang.String[][] classFileCompoundNames, |
| java.lang.String codeSnippetClassName)</CODE> |
| |
| <BR> |
| Sends the given class files to the target and loads them.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> void</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../../org/eclipse/wst/jsdt/core/eval/ICodeSnippetRequestor.html#acceptProblem(IMarker, java.lang.String, int)">acceptProblem</A></B>(IMarker problemMarker, |
| java.lang.String fragmentSource, |
| int fragmentKind)</CODE> |
| |
| <BR> |
| Notifies of an evaluation problem.</TD> |
| </TR> |
| </TABLE> |
| |
| <P> |
| |
| <!-- ============ FIELD DETAIL =========== --> |
| |
| <A NAME="field_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>Field Detail</B></FONT></TH> |
| </TR> |
| </TABLE> |
| |
| <A NAME="LOCAL_VAR_PREFIX"><!-- --></A><H3> |
| LOCAL_VAR_PREFIX</H3> |
| <PRE> |
| static final java.lang.String <B>LOCAL_VAR_PREFIX</B></PRE> |
| <DL> |
| <DD>The prefix of fields that represent the local variables in a snippet |
| class. |
| <P> |
| <DL> |
| <DT><B>See Also:</B><DD><A HREF="../../../../../../constant-values.html#org.eclipse.wst.jsdt.core.eval.ICodeSnippetRequestor.LOCAL_VAR_PREFIX">Constant Field Values</A></DL> |
| </DL> |
| <HR> |
| |
| <A NAME="DELEGATE_THIS"><!-- --></A><H3> |
| DELEGATE_THIS</H3> |
| <PRE> |
| static final java.lang.String <B>DELEGATE_THIS</B></PRE> |
| <DL> |
| <DD>The name of the field that represent 'this' in a snippet class |
| instance. |
| <P> |
| <DL> |
| <DT><B>See Also:</B><DD><A HREF="../../../../../../constant-values.html#org.eclipse.wst.jsdt.core.eval.ICodeSnippetRequestor.DELEGATE_THIS">Constant Field Values</A></DL> |
| </DL> |
| <HR> |
| |
| <A NAME="RUN_METHOD"><!-- --></A><H3> |
| RUN_METHOD</H3> |
| <PRE> |
| static final java.lang.String <B>RUN_METHOD</B></PRE> |
| <DL> |
| <DD>The name of the instance method in the snippet class that runs the code |
| snippet. |
| <P> |
| <DL> |
| <DT><B>See Also:</B><DD><A HREF="../../../../../../constant-values.html#org.eclipse.wst.jsdt.core.eval.ICodeSnippetRequestor.RUN_METHOD">Constant Field Values</A></DL> |
| </DL> |
| <HR> |
| |
| <A NAME="RESULT_VALUE_FIELD"><!-- --></A><H3> |
| RESULT_VALUE_FIELD</H3> |
| <PRE> |
| static final java.lang.String <B>RESULT_VALUE_FIELD</B></PRE> |
| <DL> |
| <DD>The name of the field (of type <code>java.lang.Object</code>) on the code |
| snippet instance that contains the returned value. |
| <P> |
| <DL> |
| <DT><B>See Also:</B><DD><A HREF="../../../../../../constant-values.html#org.eclipse.wst.jsdt.core.eval.ICodeSnippetRequestor.RESULT_VALUE_FIELD">Constant Field Values</A></DL> |
| </DL> |
| <HR> |
| |
| <A NAME="RESULT_TYPE_FIELD"><!-- --></A><H3> |
| RESULT_TYPE_FIELD</H3> |
| <PRE> |
| static final java.lang.String <B>RESULT_TYPE_FIELD</B></PRE> |
| <DL> |
| <DD>The field of type java.lang.Class on the code snippet instance that contains the type of the returned value. |
| The name of the field (of type <code>java.lang.Class</code>) on the code |
| snippet instance that contains the runtime type of the returned value. |
| <P> |
| <DL> |
| <DT><B>See Also:</B><DD><A HREF="../../../../../../constant-values.html#org.eclipse.wst.jsdt.core.eval.ICodeSnippetRequestor.RESULT_TYPE_FIELD">Constant Field Values</A></DL> |
| </DL> |
| <HR> |
| |
| <A NAME="VARIABLE"><!-- --></A><H3> |
| VARIABLE</H3> |
| <PRE> |
| static final int <B>VARIABLE</B></PRE> |
| <DL> |
| <DD>Indicates a compilation problem related to a global variable. |
| <p> |
| Note: if the problem is on the type of the variable, the marker |
| source line number is -1; if the name of the variable, line number is 0; |
| otherwise, the marker source line number is relative to the initializer |
| code. |
| </p> |
| <P> |
| <DL> |
| <DT><B>See Also:</B><DD><A HREF="../../../../../../org/eclipse/wst/jsdt/core/eval/ICodeSnippetRequestor.html#acceptProblem(IMarker, java.lang.String, int)"><CODE>acceptProblem(IMarker, String, int)</CODE></A>, |
| <A HREF="../../../../../../constant-values.html#org.eclipse.wst.jsdt.core.eval.ICodeSnippetRequestor.VARIABLE">Constant Field Values</A></DL> |
| </DL> |
| <HR> |
| |
| <A NAME="CODE_SNIPPET"><!-- --></A><H3> |
| CODE_SNIPPET</H3> |
| <PRE> |
| static final int <B>CODE_SNIPPET</B></PRE> |
| <DL> |
| <DD>Indicates a compilation problem related to a code snippet. |
| <P> |
| <DL> |
| <DT><B>See Also:</B><DD><A HREF="../../../../../../org/eclipse/wst/jsdt/core/eval/ICodeSnippetRequestor.html#acceptProblem(IMarker, java.lang.String, int)"><CODE>acceptProblem(IMarker, String, int)</CODE></A>, |
| <A HREF="../../../../../../constant-values.html#org.eclipse.wst.jsdt.core.eval.ICodeSnippetRequestor.CODE_SNIPPET">Constant Field Values</A></DL> |
| </DL> |
| <HR> |
| |
| <A NAME="IMPORT"><!-- --></A><H3> |
| IMPORT</H3> |
| <PRE> |
| static final int <B>IMPORT</B></PRE> |
| <DL> |
| <DD>Indicates a compilation problem related to an import declaration. |
| <P> |
| <DL> |
| <DT><B>See Also:</B><DD><A HREF="../../../../../../org/eclipse/wst/jsdt/core/eval/ICodeSnippetRequestor.html#acceptProblem(IMarker, java.lang.String, int)"><CODE>acceptProblem(IMarker, String, int)</CODE></A>, |
| <A HREF="../../../../../../constant-values.html#org.eclipse.wst.jsdt.core.eval.ICodeSnippetRequestor.IMPORT">Constant Field Values</A></DL> |
| </DL> |
| <HR> |
| |
| <A NAME="PACKAGE"><!-- --></A><H3> |
| PACKAGE</H3> |
| <PRE> |
| static final int <B>PACKAGE</B></PRE> |
| <DL> |
| <DD>Indicates a compilation problem related to a package declaration. |
| <P> |
| <DL> |
| <DT><B>See Also:</B><DD><A HREF="../../../../../../org/eclipse/wst/jsdt/core/eval/ICodeSnippetRequestor.html#acceptProblem(IMarker, java.lang.String, int)"><CODE>acceptProblem(IMarker, String, int)</CODE></A>, |
| <A HREF="../../../../../../constant-values.html#org.eclipse.wst.jsdt.core.eval.ICodeSnippetRequestor.PACKAGE">Constant Field Values</A></DL> |
| </DL> |
| <HR> |
| |
| <A NAME="INTERNAL"><!-- --></A><H3> |
| INTERNAL</H3> |
| <PRE> |
| static final int <B>INTERNAL</B></PRE> |
| <DL> |
| <DD>Indicates an internal problem. |
| <P> |
| <DL> |
| <DT><B>See Also:</B><DD><A HREF="../../../../../../org/eclipse/wst/jsdt/core/eval/ICodeSnippetRequestor.html#acceptProblem(IMarker, java.lang.String, int)"><CODE>acceptProblem(IMarker, String, int)</CODE></A>, |
| <A HREF="../../../../../../constant-values.html#org.eclipse.wst.jsdt.core.eval.ICodeSnippetRequestor.INTERNAL">Constant Field Values</A></DL> |
| </DL> |
| |
| <!-- ============ 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="acceptClassFiles(byte[][], java.lang.String[][], java.lang.String)"><!-- --></A><H3> |
| acceptClassFiles</H3> |
| <PRE> |
| boolean <B>acceptClassFiles</B>(byte[][] classFileBytes, |
| java.lang.String[][] classFileCompoundNames, |
| java.lang.String codeSnippetClassName)</PRE> |
| <DL> |
| <DD>Sends the given class files to the target and loads them. If the given |
| class name is not <code>null</code>, run the code snippet with this class |
| name. Returns whether the code snippet could be deployed. Note it must |
| return <code>true</code> even if running the code snippet threw an exception. |
| <p> |
| The details of sending and loading the class files are left up to |
| implementations. |
| </p> |
| <p> |
| To run a code snippet, an implementation should create a new instance of |
| the given code snippet class and call (directly or using another means) its |
| <code>RUN_METHOD</code>. |
| </p> |
| <p> |
| Also before the call, the implementation should copy the values of the local |
| variables (if any) into the corresponding fields of the code snippet instance. |
| A field name is formed of <code>LOCAL_VAR_PREFIX</code> |
| preceded the name of the local variable. For example, the field name for |
| local variable <code>"myLocal"</code> is <code>"val$myLocal"</code> (assuming the |
| value of <code>LOCAL_VAR_PREFIX</code> is "val$"). In the |
| same way, the implementation should copy the value of the 'this' object into the |
| field called <code>DELEGATE_THIS</code>. |
| </p> |
| <p> |
| After calling the <code>RUN_METHOD</code>, the values of the local |
| variables may have been modified. The implementation must copy the |
| values of the fields back into the local variables. |
| </p> |
| <p> |
| Finally, the overall value returned by the code snippet can be retrieved |
| from the special field <code>RESULT_VALUE_FIELD</code> |
| on the code snippet instance. |
| The <code>Class</code> that is the runtime type of the returned value can be |
| retrieved from the special field <code>RESULT_TYPE_FIELD</code>. |
| </p> |
| <P> |
| <DD><DL> |
| <DT><B>Parameters:</B><DD><CODE>classFileBytes</CODE> - the list of class file bytes<DD><CODE>classFileCompoundNames</CODE> - the corresponding list of class file type |
| compound names (example of a compound name: {"java", "lang", "Object"})<DD><CODE>codeSnippetClassName</CODE> - name of the actual class to instantiate and run, |
| or <code>null</code> if none |
| <DT><B>Returns:</B><DD><code>true</code> if the code snippet was successfully deployed</DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="acceptProblem(IMarker, java.lang.String, int)"><!-- --></A><H3> |
| acceptProblem</H3> |
| <PRE> |
| void <B>acceptProblem</B>(IMarker problemMarker, |
| java.lang.String fragmentSource, |
| int fragmentKind)</PRE> |
| <DL> |
| <DD>Notifies of an evaluation problem. |
| Problems can arise for source of the following kinds: |
| <p> |
| <ul> |
| <li>global variable (<code>VARIABLE</code>) - fragment source is name of |
| variable</li> |
| <li>code snippet (<code>CODE_SNIPPET</code>) - fragment source is code |
| snippet</li> |
| <li>import declaration (<code>IMPORT</code>) - fragment source is |
| import</li> |
| <li>package declaration (<code>PACKAGE</code>) - fragment source is |
| package declaration</li> |
| <li>other (<code>INTERNAL</code>) - no fragment source is involved, internal error occurred.</li> |
| </ul> |
| </p> |
| <P> |
| <DD><DL> |
| <DT><B>Parameters:</B><DD><CODE>problemMarker</CODE> - the problem marker (cannot be null)<DD><CODE>fragmentSource</CODE> - the fragment source<DD><CODE>fragmentKind</CODE> - the kind of source fragment; one of: |
| <code>VARIABLE</code>, <code>CODE_SNIPPET</code>, <code>IMPORT</code>, |
| <code>PACKAGE</code>, or <code>INTERNAL</code></DL> |
| </DD> |
| </DL> |
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