quinn-os/my-basic
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+added a TRACE command; *fixed an infinity loop bug in the mb_debug_get_stack_trace function.

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This commit is contained in:
Wang Renxin 2016-01-30 12:32:00 +08:00
parent 5521ab62fc
commit 1f5bb6423b
4 changed files with 31 additions and 1 deletions
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4
HISTORY
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@ -1,3 +1,7 @@
Jan. 30 2016
Added a TRACE command to the shell
Fixed an infinity bug in the mb_debug_get_stack_trace function
Jan. 29 2016
Fixed lookup bugs with member sub routine of a class instance
Fixed a member accessing bug with class instance

2
core/my_basic.c
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@ -11190,7 +11190,7 @@ int mb_debug_get_stack_trace(struct mb_interpreter_t* s, void** l, char** fs, un
if(fs && fc) {
f = s->stack_frames->prev;
while(f && f->data && i < fc) {
while(f != s->stack_frames && f && f->data && i < fc) {
fs[i++] = (char*)f->data;
f = f->prev;
}

BIN
output/my_basic_mac
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26
shell/main.c
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@ -1144,6 +1144,30 @@ static int set_importing_dirs(struct mb_interpreter_t* s, void** l) {
return result;
}
static int trace(struct mb_interpreter_t* s, void** l) {
int result = MB_FUNC_OK;
char* frames[16];
char** p = frames;
mb_assert(s && l);
mb_check(mb_attempt_open_bracket(s, l));
mb_check(mb_attempt_close_bracket(s, l));
mb_check(mb_debug_get_stack_trace(s, l, frames, _countof(frames)));
while(*p) {
_printf("%s", *p);
++p;
if(*p) {
_printf(" <- ");
}
}
return result;
}
static int gc(struct mb_interpreter_t* s, void** l) {
int result = MB_FUNC_OK;
int_t collected = 0;
@ -1193,6 +1217,7 @@ static void _on_stepped(struct mb_interpreter_t* s, char* f, int p, unsigned sho
static void _on_error(struct mb_interpreter_t* s, mb_error_e e, char* m, char* f, int p, unsigned short row, unsigned short col, int abort_code) {
mb_unrefvar(s);
mb_unrefvar(p);
if(SE_NO_ERR != e) {
if(f) {
_printf("Error:\n [LINE] %d, [COL] %d, [FILE] %s,\n [CODE] %d, [MESSAGE] %s, [ABORT CODE] %d.\n", row, col, f, e, m, abort_code);
@ -1245,6 +1270,7 @@ static void _on_startup(void) {
#endif /* _HAS_TICKS */
mb_reg_fun(bas, now);
mb_reg_fun(bas, set_importing_dirs);
mb_reg_fun(bas, trace);
mb_reg_fun(bas, gc);
mb_reg_fun(bas, beep);
}