#include <stdio.h>
#include <string.h>
#include "gc_chooser.h"
+#ifdef ANDROID
+ #include <android/log.h>
+ #define PRINT_ERROR(...) (void)__android_log_print(ANDROID_LOG_WARN, "Nit", __VA_ARGS__)
+#else
+ #define PRINT_ERROR(...) fprintf(stderr, __VA_ARGS__)
+#endif
typedef void(*nitmethod_t)(void); /* general C type representing a Nit method. */
typedef union {
void* val;
short int s;
char c;
double d;
-char* str;
-void* ptr;
+void* str;
} nitattribute_t; /* general C type representing a Nit attribute. */
struct class { int box_kind; nitmethod_t vft[]; }; /* general C type representing a Nit class. */
struct type { int id; const char *name; int color; short int is_nullable; const struct types *resolution_table; int table_size; int type_table[]; }; /* general C type representing a Nit type. */
struct instance { const struct type *type; const struct class *class; nitattribute_t attrs[]; }; /* general C type representing a Nit instance. */
struct types { int dummy; const struct type *types[]; }; /* a list types (used for vts, fts and unresolved lists). */
typedef struct instance val; /* general C type representing a Nit instance. */
-struct nitni_instance {struct instance *value;};
-void show_backtrace(int);
+struct nitni_instance {
+ struct nitni_instance *next,
+ *prev; /* adjacent global references in global list */
+ int count; /* number of time this global reference has been marked */
+ struct instance *value;
+};
+
+/* Native reference to Nit objects */
+/* This structure is used to represent every Nit type in extern methods and custom C code. */
+struct nitni_ref {
+ struct nitni_ref *next,
+ *prev; /* adjacent global references in global list */
+ int count; /* number of time this global reference has been marked */
+};
+
+/* List of global references from C code to Nit objects */
+/* Instanciated empty at init of Nit system and filled explicitly by user in C code */
+struct nitni_global_ref_list_t {
+ struct nitni_ref *head, *tail;
+};
+extern struct nitni_global_ref_list_t *nitni_global_ref_list;
+
+/* Initializer of global reference list */
+extern void nitni_global_ref_list_init();
+
+/* Intern function to add a global reference to the list */
+extern void nitni_global_ref_add( struct nitni_ref *ref );
+
+/* Intern function to remove a global reference from the list */
+extern void nitni_global_ref_remove( struct nitni_ref *ref );
+
+/* Increase count on an existing global reference */
+extern void nitni_global_ref_incr( struct nitni_ref *ref );
+
+/* Decrease count on an existing global reference */
+extern void nitni_global_ref_decr( struct nitni_ref *ref );
+
+void show_backtrace(int) __attribute__ ((noreturn));
+#define likely(x) __builtin_expect((x),1)
+#define unlikely(x) __builtin_expect((x),0)
extern int glob_argc;
extern char **glob_argv;
extern val *glob_sys;
struct instance_string__NativeString {
const struct type *type;
const struct class *class;
-char* value;
+void* value;
};
struct instance_kernel__Bool {
const struct type *type;
struct instance_array__NativeArray {
const struct type *type;
const struct class *class;
+int length;
val* values[0];
};