[R] Good pointers for understanding the R language implementation

[Francisco Banha]

Dear All,

I'm currently working on a project with 
the purpose of remotely executing R code, which requires me to have to 
work with the code of R itself. I've searched the Internet for good 
information that will help me understand how R is implemented but what 
I've got so far isn't detailed enough.
I've looked specifically at 
CRAN's manuals on the official website but they only address this issue 
briefly. I've also looked at other contents online but so far nothing 
has turned up that has the level of detail that I need to properly 
understand the inner workings of R.
For example, I need to understand
 how exactly an expression is parsed and evaluated, because I will need 
to intervene in the process to decide whether to execute it remotely or 
not.
Does anyone know of good pointers that would help me understand this?
Thanks for any help!

Best regards,
Francisco 		 	   		  
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