Re: Function request: rb_raisef()

On Sat, 26 Feb 2005, Berger, Daniel wrote:

> Hi all,
> Or is this impractical?

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from gridflow/base/main.c :

extern "C"{
void rb_raise0(
const char *file, int line, const char *func, VALUE exc, const char *fmt,
...) {
	va_list args;
	char buf[BUFSIZ];
	va_start(args,fmt);
	vsnprintf(buf, BUFSIZ, fmt, args);
	buf[BUFSIZ-1]=0;
	va_end(args);
	VALUE e = rb_exc_new2(exc, buf);
	char buf2[BUFSIZ];
	snprintf(buf2, BUFSIZ, "%s:%d:in `%s'", file, line, func);
	buf2[BUFSIZ-1]=0;
	VALUE ary = rb_funcall(e,SI(caller),0);
	if (gf_stack.n) {
		rb_funcall(ary,SI(unshift),2,rb_str_new2(buf2),
			rb_str_new2(gf_stack.s[gf_stack.n-1].o->info()));
	} else {
		rb_funcall(ary,SI(unshift),1,rb_str_new2(buf2));
	}
	rb_funcall(e,SI(set_backtrace),1,ary);
	rb_exc_raise(e);
}};

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from gridflow/base/grid.h :

#define RAISE(args...) \
  rb_raise0(__FILE__,__LINE__,__PRETTY_FUNCTION__,rb_eArgError,args)

------------------8<--------cut-here--------8<------------------

you'll just have to remove the parts related to gf_stack and then it's
yours.

_____________________________________________________________________
Mathieu Bouchard -=- Montr饌l QC Canada -=- http://artengine.ca/matju