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patch 8.0.0270: may get ml_get error when :rubydo deletes lines

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Problem:    May get ml_get error when :rubydo deletes lines or switches to
            another buffer. (Nikolai Pavlov, issue #1421)
Solution:   Check the buffer and line every time.
This commit is contained in:
Bram Moolenaar
2017-01-29 23:11:25 +01:00
parent 85b5743d3e
commit c593fee0e5
3 changed files with 24 additions and 0 deletions
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5
src/if_ruby.c
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@@ -783,6 +783,7 @@ void ex_rubydo(exarg_T *eap)
{
int state;
linenr_T i;
buf_T *was_curbuf = curbuf;
if (ensure_ruby_initialized())
{
@@ -792,6 +793,8 @@ void ex_rubydo(exarg_T *eap)
{
VALUE line;
if (i > curbuf->b_ml.ml_line_count)
break;
line = vim_str2rb_enc_str((char *)ml_get(i));
rb_lastline_set(line);
eval_enc_string_protect((char *) eap->arg, &state);
@@ -800,6 +803,8 @@ void ex_rubydo(exarg_T *eap)
error_print(state);
break;
}
if (was_curbuf != curbuf)
break;
line = rb_lastline_get();
if (!NIL_P(line))
{