<div dir="ltr"><div>I tried the workaround. Compilation is fine, but during runtime I get:</div><div><br></div><div>Error occurred during initialization of boot layer<br>java.lang.module.FindException: Module java.desktop not found<br></div><div><br></div><div>What is the run command that adds all the jdk modules?</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Oct 6, 2022 at 8:35 AM Sundararajan Athijegannathan <<a href="mailto:sundararajan.athijegannathan@oracle.com" target="_blank">sundararajan.athijegannathan@oracle.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div>




<div dir="ltr">
<div style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt;color:rgb(0,0,0)">
Binary download of jextract does not include org.openjdk.jextract.jmod file (although that is part of jextract build folder).</div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt;color:rgb(0,0,0)">
<br>
</div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt;color:rgb(0,0,0)">
For now, you can workaround using the following:</div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt;color:rgb(0,0,0)">
<br>
</div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt;color:rgb(0,0,0)">
<br>
</div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt;color:rgb(0,0,0)">
<p style="margin:0px;font:14px Menlo;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">$ cat Main.java<span> </span></span></p>
<p style="margin:0px;font:14px Menlo;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">import org.openjdk.jextract.*;</span></p>
<p style="margin:0px;font:14px Menlo;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">import java.awt.*;</span></p>
<p style="margin:0px;font:14px Menlo;color:rgb(0,0,0);min-height:16px">
<span style="font-variant-ligatures:no-common-ligatures"></span><br>
</p>
<p style="margin:0px;font:14px Menlo;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">class Main {</span></p>
<p style="margin:0px;font:14px Menlo;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><span> 
</span>public static void main(String[] a) {</span></p>
<p style="margin:0px;font:14px Menlo;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><span>   
</span>System.out.println(Frame.class);</span></p>
<p style="margin:0px;font:14px Menlo;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><span>   
</span>System.out.println(JextractTool.class);</span></p>
<p style="margin:0px;font:14px Menlo;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><span> 
</span>}</span></p>
<p style="margin:0px;font:14px Menlo;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">}</span></p>
<p style="margin:0px;font:14px Menlo;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><br>
</span></p>
<p style="margin:0px;font:14px Menlo;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"># assume that the current directory is "bin" dir of </span></p>
<p style="margin:0px;font:14px Menlo;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"># jextract tool. </span>It has a javac executable in it.</p>
<p style="margin:0px;font:14px Menlo;color:rgb(0,0,0)"># We use jextract's javac but pass module-path for the </p>
<p style="margin:0px;font:14px Menlo;color:rgb(0,0,0)"># other jdk modules not included in jextract jdk image.</p>
<p style="margin:0px;font:14px Menlo;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures"><br>
</span></p>
<p style="margin:0px;font:14px Menlo;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">$ ./javac --module-path /Library/Java/JavaVirtualMachines/jdk-19.jdk/Contents/Home/jmods --add-modules
 java.desktop --enable-preview --source 19<span> 
</span>Main.java</span></p>
<br>
</div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt;color:rgb(0,0,0)">
<br>
</div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt;color:rgb(0,0,0)">
If you're okay with building jextract from the sources, then you use JDK 19's javac with the following option:</div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt;color:rgb(0,0,0)">
<br>
</div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt;color:rgb(0,0,0)">
--module-path $JEXTRACT_REPO/build/jmods</div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt;color:rgb(0,0,0)">
<br>
</div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt;color:rgb(0,0,0)">
<br>
</div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt;color:rgb(0,0,0)">
[That directory <span style="background-color:rgb(255,255,255);display:inline">$JEXTRACT_REPO/build/jmods contains org.openjdk.jextract.jmod module file]</span></div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt;color:rgb(0,0,0)">
<span style="background-color:rgb(255,255,255);display:inline"><br>
</span></div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt;color:rgb(0,0,0)">
<span style="background-color:rgb(255,255,255);display:inline"><br>
</span></div>
<div style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt;color:rgb(0,0,0)">
<span style="background-color:rgb(255,255,255);display:inline">-Sundar</span></div>
<div id="m_-8229116754328253435m_491107031550747698appendonsend"></div>
<hr style="display:inline-block;width:98%">
<div id="m_-8229116754328253435m_491107031550747698divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> jextract-dev <<a href="mailto:jextract-dev-retn@openjdk.org" target="_blank">jextract-dev-retn@openjdk.org</a>> on behalf of Nir Lisker <<a href="mailto:nlisker@gmail.com" target="_blank">nlisker@gmail.com</a>><br>
<b>Sent:</b> 06 October 2022 07:51<br>
<b>To:</b> Maurizio Cimadamore <<a href="mailto:maurizio.cimadamore@oracle.com" target="_blank">maurizio.cimadamore@oracle.com</a>><br>
<b>Cc:</b> <a href="mailto:jextract-dev@openjdk.org" target="_blank">jextract-dev@openjdk.org</a> <<a href="mailto:jextract-dev@openjdk.org" target="_blank">jextract-dev@openjdk.org</a>><br>
<b>Subject:</b> Re: GUI wrapper for jextract</font>
<div> </div>
</div>
<div>
<div dir="ltr">Yes, if I can interface with the tool directly it would be ideal.
<div><br>
</div>
<div>How can I add jextract as an external dependency for this? The jextract build is not a full jdk, and I'm running on jdk-19.</div>
</div>
<br>
<div>
<div dir="ltr">On Tue, Oct 4, 2022 at 12:19 PM Maurizio Cimadamore <<a href="mailto:maurizio.cimadamore@oracle.com" target="_blank">maurizio.cimadamore@oracle.com</a>> wrote:<br>
</div>
<blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div>
<p>Hi Nir,<br>
</p>
<div>On 02/10/2022 22:31, Nir Lisker wrote:<br>
</div>
<blockquote type="cite">
<div>5. When analyzing the symbols of a header using the dump option, I need to read the file that jextract creates from disk and then delete it. Is there a way to read the jextract output directly? Either through the output stream, or writing to a file in
 memory? Dealing with disk I/O is cumbersome, comes with permission restrictions, and might be slow if done for many files in a batch.</div>
</blockquote>
<p>I think ultimately, working with files might be not ideal for your use case.</p>
<p>There is a pseudo-stable API to parse jextract files, in the JextractTool class (in the org.openjdk.jextract package, which should be exported by the jextract module):</p>
<p><span style="color:rgb(29,28,29);font-family:Slack-Lato,Slack-Fractions,appleLogo,sans-serif;font-size:15px;font-style:normal;font-variant-ligatures:common-ligatures;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:left;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">`public
 static Declaration.Scoped parse(List<Path> headers, String... parserOptions) {`</span></p>
<p><span style="color:rgb(29,28,29);font-family:Slack-Lato,Slack-Fractions,appleLogo,sans-serif;font-size:15px;font-style:normal;font-variant-ligatures:common-ligatures;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:left;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">We
 do not make any promise (at this stage at least) on the stability of the API. That said, it has not changed much (at all?) in the last couple of years.</span></p>
<p><span style="color:rgb(29,28,29);font-family:Slack-Lato,Slack-Fractions,appleLogo,sans-serif;font-size:15px;font-style:normal;font-variant-ligatures:common-ligatures;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:left;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">What
 you get back is a "Declaration", which is used to model vars, structs, unions, typedefs, functions<br>
</span></p>
<p><span style="color:rgb(29,28,29);font-family:Slack-Lato,Slack-Fractions,appleLogo,sans-serif;font-size:15px;font-style:normal;font-variant-ligatures:common-ligatures;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:left;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">Then,
 attached to declarations, there are "Type"s, which are used... well, to model types. Since some type can be structured (e.g. a struct type), they can point back to their declaration (e.g. Type.Declared).</span></p>
<p><span style="color:rgb(29,28,29);font-family:Slack-Lato,Slack-Fractions,appleLogo,sans-serif;font-size:15px;font-style:normal;font-variant-ligatures:common-ligatures;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:left;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">Jextract
 does all it does by defining visitors on this basic declaration tree, which is obtained by wrapping the results of parsing a C header using the clang API (e.g. clang Cursors).<br>
</span></p>
<p><span style="color:rgb(29,28,29);font-family:Slack-Lato,Slack-Fractions,appleLogo,sans-serif;font-size:15px;font-style:normal;font-variant-ligatures:common-ligatures;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:left;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">We
 did this to "sanitize" the output of clang, as well as to make our implementation more robust and less dependent from clang internals.</span></p>
<p><span style="color:rgb(29,28,29);font-family:Slack-Lato,Slack-Fractions,appleLogo,sans-serif;font-size:15px;font-style:normal;font-variant-ligatures:common-ligatures;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:left;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline">One
 option for you would be to invoke the parsing process this way, then get the tree and look at the results (e.g. with a visitor), which sounds better than parsing an option file.</span></p>
<p><span style="color:rgb(29,28,29);font-family:Slack-Lato,Slack-Fractions,appleLogo,sans-serif;font-size:15px;font-style:normal;font-variant-ligatures:common-ligatures;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:left;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><br>
Cheers<br>
Maurizio<br>
</span></p>
<p><span style="color:rgb(29,28,29);font-family:Slack-Lato,Slack-Fractions,appleLogo,sans-serif;font-size:15px;font-style:normal;font-variant-ligatures:common-ligatures;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:left;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><br>
</span></p>
<p><span style="color:rgb(29,28,29);font-family:Slack-Lato,Slack-Fractions,appleLogo,sans-serif;font-size:15px;font-style:normal;font-variant-ligatures:common-ligatures;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:left;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"><br>
</span></p>
</div>
</blockquote>
</div>
</div>
</div>

</div></blockquote></div></div>