Is there a parser generator available that can take a Javacc grammar file (.jj) and produce a JavaScript parser instead of Java? If not, what would be involved in converting the .jj file into a format that ANTLR can interpret (since it has the capability to output Javascript)?
Is there a parser generator available that can take a Javacc grammar file (.jj) and produce a JavaScript parser instead of Java?
It seems that such a tool does not currently exist.
Alternatively, how challenging would it be to convert a .jj file into a format that ANTLR (which supports generating JavaScript parsers) can interpret?
The conversion process would be quite complex and likely require manual intervention. The level of difficulty will vary depending on the complexity of the grammar being converted.
Keep in mind that there are other parser generators capable of generating JavaScript parsers. (I won't provide specific recommendations or list them here!)
Remember, the syntax for inputting data may differ between Javacc and these alternative tools.
One interesting feature of Google's GWT is its ability to transform java code into JavaScript, but there is a limitation in terms of the JDK subset that can be utilized. It raises questions about the additional baggage that GWT may introduce into the mix. A potential alternative could involve leveraging javacc for generating java code and subsequently utilizing GWT for the conversion to JavaScript.
Lately, I have incorporated support for a GWT-compatible parser target into JavaCC without relying on Java IO classes. I have also published two blog posts detailing how to use JavaCC to generate a JavaScript parser through GWT. You can find the links below:
Building parsers for the web with JavaCC & GWT (Check out my blog post!)
JavaCC 6.1 Development Build
If you're open to refining your grammar, I've developed a parser builder in Kotlin that works seamlessly across both JVM and JavaScript platforms.
The syntax of the grammar is straightforward and reminiscent of EBNF.
For more information and access to a live demo on the web browser, visit this link: https://medium.com/@dr.david.h.akehurst/a-kotlin-multi-platform-parser-usable-from-a-jvm-or-javascript-59e870832a79
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