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vim-patch:7.4.1102

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Problem:    Debugger has no stack backtrace support.
Solution:   Add "backtrace", "frame", "up" and "down" commands. (Alberto
            Fanjul, closes vim/vim#433)

f1f60f859c
This commit is contained in:
Jurica Bradaric
2016-05-10 21:34:56 +02:00
parent 68717132b1
commit b4cbfd3c08
6 changed files with 372 additions and 13 deletions
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29
src/nvim/eval.c
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@@ -18123,6 +18123,25 @@ static dictitem_T *find_var_in_ht(hashtab_T *ht, int htname, char_u *varname, in
return HI2DI(hi);
}
// Get function call environment based on backtrace debug level
static funccall_T *get_funccal(void)
{
funccall_T *funccal = current_funccal;
if (debug_backtrace_level > 0) {
for (int i = 0; i < debug_backtrace_level; i++) {
funccall_T *temp_funccal = funccal->caller;
if (temp_funccal) {
funccal = temp_funccal;
} else {
// backtrace level overflow. reset to max
debug_backtrace_level = i;
}
}
}
return funccal;
}
// Find the dict and hashtable used for a variable name. Set "varname" to the
// start of name without ':'.
static hashtab_T *find_var_ht_dict(char_u *name, uint8_t **varname, dict_T **d)
@@ -18147,7 +18166,11 @@ static hashtab_T *find_var_ht_dict(char_u *name, uint8_t **varname, dict_T **d)
return &compat_hashtab;
}
*d = current_funccal ? &current_funccal->l_vars : &globvardict;
if (current_funccal == NULL) {
*d = &globvardict;
} else {
*d = &get_funccal()->l_vars; // l: variable
}
goto end;
}
@@ -18169,9 +18192,9 @@ static hashtab_T *find_var_ht_dict(char_u *name, uint8_t **varname, dict_T **d)
} else if (*name == 'v') { // v: variable
*d = &vimvardict;
} else if (*name == 'a' && current_funccal != NULL) { // function argument
*d = &current_funccal->l_avars;
*d = &get_funccal()->l_avars;
} else if (*name == 'l' && current_funccal != NULL) { // local variable
*d = &current_funccal->l_vars;
*d = &get_funccal()->l_vars;
} else if (*name == 's' // script variable
&& current_SID > 0 && current_SID <= ga_scripts.ga_len) {
*d = &SCRIPT_SV(current_SID)->sv_dict;