Converting iso-4217-currencies.scm to C?
Derek Atkins
warlord at MIT.EDU
Mon Feb 9 11:54:54 EST 2009
Christian Stimming <stimming at tuhh.de> writes:
> Right now we have a scheme -> C generator that generates a list of 3000
> function calls. I think Alan's proposal was to change this into a generator
> that generates a C array with 3000 entries, and writing some simple looping
> code that loops over this array. In effect, I think this isn't much of a
> difference (meaning Alan's time can probably be spent on more important
> things instead), but if Alan would like to submit a patch, I'd probably agree
> to commit this.
That seems relatively silly, IMHO. Why have scheme generate a
C array? Why not just encode the list in the C array in the first
place?
I.e., I can imagine something like:
typedef struct {
const char* fullname;
const char* unitname;
const char* partname;
const char* namespace;
const char* mnemonic;
const char* exchange_code;
unsigned parts_per_unit;
unsigned smallest_fraction;
} GNCCurrencyDef;
static GNCCurrencyDef gncISOCurrencies[] = {
{ "Afghanistan Afghani (old)", "afghani", "pul", "ISO4217", "AFA", "004", 100, 100 }, // through 2003-01-02
{ "Afghanistan Afghani", "afghani", "afghani", "ISO4217", "AFN", "971", 1, 1 }, // from 2002-10-07
...
};
Alan, is this what you had in mind?
> Regards,
>
> Christian
-derek
--
Derek Atkins, SB '93 MIT EE, SM '95 MIT Media Laboratory
Member, MIT Student Information Processing Board (SIPB)
URL: http://web.mit.edu/warlord/ PP-ASEL-IA N1NWH
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