c_src/nit.common.h

   1 #include <stdlib.h>
   2 #include <stdio.h>
   3 #include <string.h>
   4 #include <sys/types.h>
   5
   6 #include <unistd.h>
   7
   8 #include <stdint.h>
   9
  10 #include "gc_chooser.h"
  11 #ifdef ANDROID
  12         #include <android/log.h>
  13         #define PRINT_ERROR(...) (void)__android_log_print(ANDROID_LOG_WARN, "Nit", __VA_ARGS__)
  14 #else
  15         #define PRINT_ERROR(...) fprintf(stderr, __VA_ARGS__)
  16 #endif
  17 typedef void(*nitmethod_t)(void); /* general C type representing a Nit method. */
  18 typedef union {
  19 void* val;
  20 long l;
  21 short int s;
  22 unsigned char b;
  23 uint32_t c;
  24 double d;
  25 void* str;
  26 } nitattribute_t; /* general C type representing a Nit attribute. */
  27 struct class { int box_kind; nitmethod_t vft[]; }; /* general C type representing a Nit class. */
  28 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. */
  29 struct instance { const struct type *type; const struct class *class; nitattribute_t attrs[]; }; /* general C type representing a Nit instance. */
  30 struct types { int dummy; const struct type *types[]; }; /* a list types (used for vts, fts and unresolved lists). */
  31 typedef struct instance val; /* general C type representing a Nit instance. */
  32 extern const struct class *class_info[];
  33 extern const struct type *type_info[];
  34 struct nitni_instance {
  35         struct nitni_instance *next,
  36                 *prev; /* adjacent global references in global list */
  37         int count; /* number of time this global reference has been marked */
  38         struct instance *value;
  39 };
  40
  41 /* Native reference to Nit objects */
  42 /* This structure is used to represent every Nit type in extern methods and custom C code. */
  43 struct nitni_ref {
  44         struct nitni_ref *next,
  45                 *prev; /* adjacent global references in global list */
  46         int count; /* number of time this global reference has been marked */
  47 };
  48
  49 /* List of global references from C code to Nit objects */
  50 /* Instanciated empty at init of Nit system and filled explicitly by user in C code */
  51 struct nitni_global_ref_list_t {
  52         struct nitni_ref *head, *tail;
  53 };
  54 extern struct nitni_global_ref_list_t *nitni_global_ref_list;
  55
  56 /* Initializer of global reference list */
  57 extern void nitni_global_ref_list_init();
  58
  59 /* Intern function to add a global reference to the list */
  60 extern void nitni_global_ref_add( struct nitni_ref *ref );
  61
  62 /* Intern function to remove a global reference from the list */
  63 extern void nitni_global_ref_remove( struct nitni_ref *ref );
  64
  65 /* Increase count on an existing global reference */
  66 extern void nitni_global_ref_incr( struct nitni_ref *ref );
  67
  68 /* Decrease count on an existing global reference */
  69 extern void nitni_global_ref_decr( struct nitni_ref *ref );
  70
  71 void fatal_exit(int) __attribute__ ((noreturn));
  72 #define likely(x)       __builtin_expect((x),1)
  73 #define unlikely(x)     __builtin_expect((x),0)
  74 extern int glob_argc;
  75 extern char **glob_argv;
  76 extern val *glob_sys;
  77 struct instance_standard__NativeString {
  78 const struct type *type;
  79 const struct class *class;
  80 void* value;
  81 };
  82 struct instance_standard__Float {
  83 const struct type *type;
  84 const struct class *class;
  85 double value;
  86 };
  87 struct instance_standard__Byte {
  88 const struct type *type;
  89 const struct class *class;
  90 unsigned char value;
  91 };
  92 struct instance_standard__Pointer {
  93 const struct type *type;
  94 const struct class *class;
  95 void* value;
  96 };
  97 struct instance_standard__NativeArray {
  98 const struct type *type;
  99 const struct class *class;
 100 int length;
 101 val* values[0];
 102 };