Example #1
0
void
stack_push(struct stack *stack, struct value *v)
{
	switch (v->type) {
	case BCODE_NONE:
		stack_grow(stack);
		stack->stack[stack->sp].type = BCODE_NONE;
		break;
	case BCODE_NUMBER:
		stack_pushnumber(stack, v->u.num);
		break;
	case BCODE_STRING:
		stack_pushstring(stack, v->u.string);
		break;
	}
	stack->stack[stack->sp].array = v->array == NULL ?
	    NULL : array_dup(v->array);
}
Example #2
0
void
printnumber(FILE *f, const struct number *b, u_int base)
{
	struct number	*int_part, *fract_part;
	int		digits;
	char		buf[11];
	size_t		sz;
	int		i;
	struct stack	stack;
	char		*p;

	charcount = 0;
	lastchar = -1;
	if (BN_is_zero(b->number))
		putcharwrap(f, '0');

	int_part = new_number();
	fract_part = new_number();
	fract_part->scale = b->scale;

	if (base <= 16)
		digits = 1;
	else {
		digits = snprintf(buf, sizeof(buf), "%u", base-1);
	}
	split_number(b, int_part->number, fract_part->number);

	i = 0;
	stack_init(&stack);
	while (!BN_is_zero(int_part->number)) {
		BN_ULONG rem = BN_div_word(int_part->number, base);
		stack_pushstring(&stack, get_digit(rem, digits, base));
		i++;
	}
	sz = i;
	if (BN_cmp(b->number, &zero) < 0)
		putcharwrap(f, '-');
	for (i = 0; i < sz; i++) {
		p = stack_popstring(&stack);
		if (base > 16)
			putcharwrap(f, ' ');
		printwrap(f, p);
		free(p);
	}
	stack_clear(&stack);
	if (b->scale > 0) {
		struct number	*num_base;
		BIGNUM		mult, stop;

		putcharwrap(f, '.');
		num_base = new_number();
		BN_set_word(num_base->number, base);
		BN_init(&mult);
		BN_one(&mult);
		BN_init(&stop);
		BN_one(&stop);
		scale_number(&stop, b->scale);

		i = 0;
		while (BN_cmp(&mult, &stop) < 0) {
			u_long	rem;

			if (i && base > 16)
				putcharwrap(f, ' ');
			i = 1;

			bmul_number(fract_part, fract_part, num_base);
			split_number(fract_part, int_part->number, NULL);
			rem = BN_get_word(int_part->number);
			p = get_digit(rem, digits, base);
			int_part->scale = 0;
			normalize(int_part, fract_part->scale);
			BN_sub(fract_part->number, fract_part->number,
			    int_part->number);
			printwrap(f, p);
			free(p);
			BN_mul_word(&mult, base);
		}
		free_number(num_base);
		BN_free(&mult);
		BN_free(&stop);
	}
	flushwrap(f);
	free_number(int_part);
	free_number(fract_part);
}
Example #3
0
static __inline void
push_string(char *string)
{

	stack_pushstring(&bmachine.stack, string);
}