Tomek Grabiec wrote:
> It most likely an error to have multiple references to an expression
> with side effects.
>
> Signed-off-by: Tomek Grabiec <tgrab...@gmail.com>
> ---
> jit/expression.c | 8 ++++++++
> 1 files changed, 8 insertions(+), 0 deletions(-)
>
> diff --git a/jit/expression.c b/jit/expression.c
> index d46c2b7..fc67889 100644
> --- a/jit/expression.c
> +++ b/jit/expression.c
> @@ -146,10 +146,18 @@ void free_expression(struct expression *expr)
> free(expr);
> }
>
> +extern void print_trace(void);
> +
> struct expression *expr_get(struct expression *expr)
> {
> assert(expr->refcount > 0);
>
> + if (!expr_is_pure(expr)) {
> + fprintf(stderr, "%s: expression is not pure\n", __func__);
> + print_trace();
> + abort();
> + }
> +
> expr->refcount++;
>
> return expr;
I cleaned this up a little bit:
http://github.com/penberg/jato/commit/c6cbf83e47804082042a8b975955ade2184c753c
So lets use error(), warn(), and die() in the future and not open code them.
Pekka
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