On Tue, 7 Dec 2004 11:39:30 +0800, "xudongyuan" <[EMAIL PROTECTED]> wrote:
>Hi.All and R developers: > Since I am a beginner on R,I have some questions when I studied the > source code.I wonder if anyone have time to help me? > My question is how the R expressions change to the c code. That is when > I input an expression to the GUI or from a file, how R converts the > expression to the parse tree in C code(maybe it is a C function, then what is > it?), and then does the sequent processes. R expressions aren't converted to C code. They are parsed internally using a parser written in yacc (or bison), which converts them into R objects. Other parts of the interpreter work with those. Duncan Murdoch ______________________________________________ [EMAIL PROTECTED] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
