A possible way to break the ice is to begin with small simple changes.

1) to separate the parser and create some funcions for the API, for example

     TREE* csoundParseOrc(CSOUND*, FILE*)
     TREE* csoundParseString(CSOUND*, char*)

   - the code is in Engine/new_orc_parser.c and it is a quasi copy-paste
   - to decide if the preprocessor has to be separate or no

2) to isolate the compiler + API func, for example

     void* csoundCompileTree(CSOUND*, TREE*)

   and possibly

     void* csoundCompileTreeDump(CSOUND*, TREE*, char* filename)
     void* csoundLoadCompiledOrc(CSOUND*, char* filename)

   but requires thinking about the format

3) (de)alloc instr

     void* csoundDefineInstrument(CSOUND*, TREE*)
     void* csoundRemoveNumericInstrument(CSOUND*, int)
     void* csoundRemoveNamedInstrument(CSOUND*, char*)

   - more thinking about the structures
   - diagnosics

4) rewriting

5) rewriting

6) perhaps rewriting

0) rewriting this post

tito

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