#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 */
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 */
- int REG_size;
- val_t **REG_pointer;
+/* Stack frames.
+ * Are used to:
+ * - store local variables (REGS) of functions
+ * - store context for closure
+ * - 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) */
+ struct stack_frame_t *closure_ctx; /* closure context (for functions that have closure parameters) */
+ fun_t *closure_funs; /* closure functions (for functions that have closure parameters) */
+ int has_broke; /* has an escape occured? 0 if false, label_idx (>0) if true */
+ 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);
+void nit_abort(const char*, const char*, const char*, int);
#define CALL(r,c) ((VAL2VFT(r)[c].f))
#define ATTR(r,c) (*(val_t*)(VAL2OBJ(r)+c))
void prepare_signals(void);
extern classtable_t TAG2VFT[4];
-
-/* This structure is used to store closure.
- * Specific closure use a specific fun parameter.
- */
-struct WBT_ {fun_t fun; val_t *has_broke; val_t broke_value; val_t *variable; struct WBT_ **closurevariable;};
+val_t NEW_NativeArray(size_t length, size_t size);
#endif