c_src/nit.common.h

   1 #include <stdlib.h>
   2 #include <stdio.h>
   3 #include <string.h>
   4 #include "gc_chooser.h"
   5 #ifdef ANDROID
   6         #include <android/log.h>
   7         #define PRINT_ERROR(...) (void)__android_log_print(ANDROID_LOG_WARN, "Nit", __VA_ARGS__)
   8 #else
   9         #define PRINT_ERROR(...) fprintf(stderr, __VA_ARGS__)
  10 #endif
  11 typedef void(*nitmethod_t)(void); /* general C type representing a Nit method. */
  12 typedef union {
  13 void* val;
  14 long l;
  15 short int s;
  16 char c;
  17 double d;
  18 void* str;
  19 } nitattribute_t; /* general C type representing a Nit attribute. */
  20 struct class { int box_kind; nitmethod_t vft[]; }; /* general C type representing a Nit class. */
  21 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. */
  22 struct instance { const struct type *type; const struct class *class; nitattribute_t attrs[]; }; /* general C type representing a Nit instance. */
  23 struct types { int dummy; const struct type *types[]; }; /* a list types (used for vts, fts and unresolved lists). */
  24 typedef struct instance val; /* general C type representing a Nit instance. */
  25 struct nitni_instance {
  26         struct nitni_instance *next,
  27                 *prev; /* adjacent global references in global list */
  28         int count; /* number of time this global reference has been marked */
  29         struct instance *value;
  30 };
  31
  32 /* Native reference to Nit objects */
  33 /* This structure is used to represent every Nit type in extern methods and custom C code. */
  34 struct nitni_ref {
  35         struct nitni_ref *next,
  36                 *prev; /* adjacent global references in global list */
  37         int count; /* number of time this global reference has been marked */
  38 };
  39
  40 /* List of global references from C code to Nit objects */
  41 /* Instanciated empty at init of Nit system and filled explicitly by user in C code */
  42 struct nitni_global_ref_list_t {
  43         struct nitni_ref *head, *tail;
  44 };
  45 extern struct nitni_global_ref_list_t *nitni_global_ref_list;
  46
  47 /* Initializer of global reference list */
  48 extern void nitni_global_ref_list_init();
  49
  50 /* Intern function to add a global reference to the list */
  51 extern void nitni_global_ref_add( struct nitni_ref *ref );
  52
  53 /* Intern function to remove a global reference from the list */
  54 extern void nitni_global_ref_remove( struct nitni_ref *ref );
  55
  56 /* Increase count on an existing global reference */
  57 extern void nitni_global_ref_incr( struct nitni_ref *ref );
  58
  59 /* Decrease count on an existing global reference */
  60 extern void nitni_global_ref_decr( struct nitni_ref *ref );
  61
  62 void show_backtrace(int) __attribute__ ((noreturn));
  63 #define likely(x)       __builtin_expect((x),1)
  64 #define unlikely(x)     __builtin_expect((x),0)
  65 extern int glob_argc;
  66 extern char **glob_argv;
  67 extern val *glob_sys;
  68 struct instance_standard__NativeString {
  69 const struct type *type;
  70 const struct class *class;
  71 void* value;
  72 };
  73 struct instance_standard__Bool {
  74 const struct type *type;
  75 const struct class *class;
  76 short int value;
  77 };
  78 struct instance_standard__Float {
  79 const struct type *type;
  80 const struct class *class;
  81 double value;
  82 };
  83 struct instance_standard__Int {
  84 const struct type *type;
  85 const struct class *class;
  86 long value;
  87 };
  88 struct instance_standard__Char {
  89 const struct type *type;
  90 const struct class *class;
  91 char value;
  92 };
  93 struct instance_standard__Pointer {
  94 const struct type *type;
  95 const struct class *class;
  96 void* value;
  97 };
  98 struct instance_standard__NativeArray {
  99 const struct type *type;
 100 const struct class *class;
 101 int length;
 102 val* values[0];
 103 };