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 char* str;
  19 void* ptr;
  20 } nitattribute_t; /* general C type representing a Nit attribute. */
  21 struct class { int box_kind; nitmethod_t vft[]; }; /* general C type representing a Nit class. */
  22 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. */
  23 struct instance { const struct type *type; const struct class *class; nitattribute_t attrs[]; }; /* general C type representing a Nit instance. */
  24 struct types { int dummy; const struct type *types[]; }; /* a list types (used for vts, fts and unresolved lists). */
  25 typedef struct instance val; /* general C type representing a Nit instance. */
  26 struct nitni_instance {
  27         struct nitni_instance *next,
  28                 *prev; /* adjacent global references in global list */
  29         int count; /* number of time this global reference has been marked */
  30         struct instance *value;
  31 };
  32
  33 /* Native reference to Nit objects */
  34 /* This structure is used to represent every Nit type in extern methods and custom C code. */
  35 struct nitni_ref {
  36         struct nitni_ref *next,
  37                 *prev; /* adjacent global references in global list */
  38         int count; /* number of time this global reference has been marked */
  39 };
  40
  41 /* List of global references from C code to Nit objects */
  42 /* Instanciated empty at init of Nit system and filled explicitly by user in C code */
  43 struct nitni_global_ref_list_t {
  44         struct nitni_ref *head, *tail;
  45 };
  46 extern struct nitni_global_ref_list_t *nitni_global_ref_list;
  47
  48 /* Initializer of global reference list */
  49 extern void nitni_global_ref_list_init();
  50
  51 /* Intern function to add a global reference to the list */
  52 extern void nitni_global_ref_add( struct nitni_ref *ref );
  53
  54 /* Intern function to remove a global reference from the list */
  55 extern void nitni_global_ref_remove( struct nitni_ref *ref );
  56
  57 /* Increase count on an existing global reference */
  58 extern void nitni_global_ref_incr( struct nitni_ref *ref );
  59
  60 /* Decrease count on an existing global reference */
  61 extern void nitni_global_ref_decr( struct nitni_ref *ref );
  62
  63 void show_backtrace(int) __attribute__ ((noreturn));
  64 #define likely(x)       __builtin_expect((x),1)
  65 #define unlikely(x)     __builtin_expect((x),0)
  66 extern int glob_argc;
  67 extern char **glob_argv;
  68 extern val *glob_sys;
  69 struct instance_kernel__Bool {
  70 const struct type *type;
  71 const struct class *class;
  72 short int value;
  73 };
  74 struct instance_kernel__Float {
  75 const struct type *type;
  76 const struct class *class;
  77 double value;
  78 };
  79 struct instance_kernel__Int {
  80 const struct type *type;
  81 const struct class *class;
  82 long value;
  83 };
  84 struct instance_kernel__Char {
  85 const struct type *type;
  86 const struct class *class;
  87 char value;
  88 };
  89 struct instance_kernel__Pointer {
  90 const struct type *type;
  91 const struct class *class;
  92 void* value;
  93 };
  94 struct instance_array__NativeArray {
  95 const struct type *type;
  96 const struct class *class;
  97 int length;
  98 val* values[0];
  99 };