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authorSven Gothel <[email protected]>2023-07-05 10:21:48 +0200
committerSven Gothel <[email protected]>2023-07-05 10:21:48 +0200
commit5ceca8550b82591a6a2661a26d3e0d5e6e3e15ff (patch)
tree95768138afdb5ee4c6d3b705e803ad497241f756 /src/java/com/jogamp/gluegen/cgram/TNode.java
parentae4c2c3e59ed92caa6f0e18360b7236e50899bf6 (diff)
GlueGen: Add 'PascalString' string semantics (length + value-ptr), added prelim code for JavaCallback use-case emitBodyMapCToJNIType()
It is common in toolkit APIs that a string might not be passed as a 'nul' terminated (EOS) C string, but as a Pascal string with a given length argument. A C string is specied as ArgumentIsString alEventCallbackInject 3 while allowing multiple indices .. A Pascal string can be specified as ArgumentIsPascalString ALEVENTPROCSOFT 3 4 while allowing multiple indice-tuples for length and value .. The tuple consist of the length agrument-index first (usually an int) followed by the value argument-index (usually a 'char*'). +++ CMethodBindingEmitter.emitBodyMapCToJNIType(), where PascalString is implemented, is currently being used for - JNI return statement (no PascalString impact possible) - JavaCallback C type -> JNI type, PascalString impacting
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