gboolean parse_simple_expression(GString* expression);
/* Compile the filter expression into an efficient data structure */
gboolean parse_simple_expression(GString* expression);
/* Compile the filter expression into an efficient data structure */
lttv_filter *lttv_filter_new(char *expression, LttvTraceState *tfs);
/* Check if the tracefile or event satisfies the filter. The arguments are
declared as void * to allow these functions to be used as hooks. */
lttv_filter *lttv_filter_new(char *expression, LttvTraceState *tfs);
/* Check if the tracefile or event satisfies the filter. The arguments are
declared as void * to allow these functions to be used as hooks. */