extern int glob_argc;
extern char ** glob_argv;
-/* Stack frames */
+/* 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_pointer; /* array of local variables */
+ val_t REG[1]; /* local variables (flexible array) */
};
extern struct stack_frame_t *stack_frame_head;
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;};
#endif