[foreign-jextract] RFR: 8262851: jextract crashes with "Cannot compute size of a layout which is, or depends on a sequence layout with unspecified size"

[Maurizio Cimadamore]

On Tue, 2 Mar 2021 14:27:35 GMT, Athijegannathan Sundararajan <sundar at openjdk.org> wrote:

> problematic fields are skipped with a warning

src/jdk.incubator.jextract/share/classes/jdk/internal/jextract/impl/StructBuilder.java line 140:

> 138:     public void addVar(String javaName, String nativeName, MemoryLayout layout, Class<?> type) {
> 139:         try {
> 140:             structLayout.byteOffset(elementPaths(nativeName));

Now that I think about it - calling byteSize on the structLayout should be enough. I also think that, if we do this, we can remove the logic in OutputFactory which checks whether size is available.

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PR: https://git.openjdk.java.net/panama-foreign/pull/464