polly/isl/maybe_templ.h

0001 #include <isl/ctx.h>
0002 #include <isl/maybe.h>
0003
0004 /* A structure that possibly contains a pointer to an object of type ISL_TYPE.
0005  * The pointer in "value" is only valid if "valid" is isl_bool_true.
0006  * Otherwise, "value" is set to NULL.
0007  */
0008 struct ISL_MAYBE(ISL_TYPE) {
0009     isl_bool    valid;
0010     ISL_TYPE    *value;
0011 };
0012 typedef struct ISL_MAYBE(ISL_TYPE) ISL_MAYBE(ISL_TYPE);