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GeezerVison is showing github.com — fix: split CCJSqlParserTokenManager static initializers to avoid 64KB… by hayssams · Pull Request #2425 · JSQLParser/JSqlParser

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@hayssams

@hayssams hayssams commented Apr 8, 2026

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… method limit

The generated CCJSqlParserTokenManager class has a clinit method that reaches 64,452 bytes -- dangerously close to the JVM 65,535 byte limit. ASM-based tools like sbt-assembly add transformation overhead that pushes it over, causing MethodTooLargeException during fat JAR creation.

Add a splitTokenManagerStaticInit Gradle task that post-processes the generated Java file after JavaCC code generation, extracting 6 large static array initializations (stringLiterals, jjstrLiteralImages, jjmatchKinds, jjnewLexState, jjcompositeState, jjnextStateSet) into separate private static methods. This reduces clinit from 64,452 bytes to 404 bytes.

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@hayssams @claude
fix: split CCJSqlParserTokenManager static initializers to avoid 64KB…
6373b82 
… method limit

The generated CCJSqlParserTokenManager class has a clinit method that reaches
64,452 bytes -- dangerously close to the JVM 65,535 byte limit. ASM-based tools
like sbt-assembly add transformation overhead that pushes it over, causing
MethodTooLargeException during fat JAR creation.

Add a splitTokenManagerStaticInit Gradle task that post-processes the generated
Java file after JavaCC code generation, extracting 6 large static array
initializations (stringLiterals, jjstrLiteralImages, jjmatchKinds, jjnewLexState,
jjcompositeState, jjnextStateSet) into separate private static methods. This
reduces clinit from 64,452 bytes to 404 bytes.

Co-Authored-By: Claude Opus 4.6 (1M context) <[email protected]>
@manticore-projects manticore-projects mentioned this pull request Apr 8, 2026
CCJSqlParserTokenManager.java:57: error: code too large javacc/javacc-8-core#3
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manticore-projects commented Apr 8, 2026

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Thank you! Please see javacc/javacc-8-core#3
I will try to move this upstream to JavaCC itself.
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@manticore-projects
manticore-projects merged commit cf5bbc9 into JSQLParser:master Apr 8, 2026
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@hayssams @manticore-projects
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