#include <stdio.h>
#include <string.h>
-#ifdef WITH_LIBGC
-#include <gc/gc.h>
-#define malloc(x) GC_MALLOC((x))
-#define calloc(x,y) GC_MALLOC((x)*(y))
-#endif
-
-
-
/* *** Types *** */
typedef signed long int bigint; /* standard int value, must be larger that any poiner */
typedef bigint (*fun_t) (bigint); /* generic function pointer */
#define VAL_ISA(e, c, i) (VAL2VFT((e))[(c)].cid == (cid_t)(i))
-void * alloc(size_t);
+/* GC and memory management */
+void *alloc(size_t); /* allocate memory to store an object with an object header */
+void *raw_alloc(size_t); /* allocate raw memory to store a raw stram of byte */
+void register_static_object(val_t*); /* mark that something is a global or once object */
+
extern val_t G_args;
extern val_t G_stdin;
extern val_t G_stdout;
extern int glob_argc;
extern char ** glob_argv;
-struct trace_t {
- struct trace_t *prev; /* previous stack frame */
- const char *file; /* source filename */
- int line; /* line number */
- const char *meth; /* method name */
+/* Stack frames.
+ * Are used to store local variables (REGS) of function and provide information for stack dump */
+struct stack_frame_t {
+ struct stack_frame_t *prev; /* previous stack frame */
+ const char *file; /* source filename (.nit) */
+ int line; /* line number (in the source) */
+ const char *meth; /* human function name (usually the method name) */
+ int REG_size; /* number of local variables */
+ val_t REG[1]; /* local variables (flexible array) */
};
-extern struct trace_t *tracehead;
+extern struct stack_frame_t *stack_frame_head;
+
+
typedef enum {true = (1==1),false = (0==1)} bool;
void nit_exit(int);