RFR: 7903788: preparation towards json configuration for jextract tool

[Maurizio Cimadamore]

On Fri, 16 Aug 2024 11:49:29 GMT, Athijegannathan Sundararajan <sundar at openjdk.org> wrote:

> * adding json skara code into org.openjdk.jextract.json.parser package. Minor changes done - pretty printing, JSONValue is made sealed and access changes (private final fields).
> * org.openjdk.jextract.json package for JSON interface to the rest of the jextract tool. Main interface is org.openjdk.jextract.json.JSON. parse and toString methods to convert record into JSON String and vice versa.
> * Other classes are public mainly for testing purposes. build.gradle adjusted with the required --add-exports clauses so that jextract module does not have to export the new json packages.

test/testng/org/openjdk/jextract/test/json/parser/JSONParserTests.java line 205:

> 203:     @Test
> 204:     void testLargerJSONText() {
> 205:         var text = "{\n" +

Would it make sense, for this or other big chunks of JSON, to do a roundtrip test where we parse the text, we get a JSONValue, then we obtain the string representation from it, and we compare it against the text?

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PR Review Comment: https://git.openjdk.org/jextract/pull/257#discussion_r1719838826