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patch 8.2.4970: "eval 123" gives an error, "eval 'abc'" does not

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Problem:    "eval 123" gives an error, "eval 'abc'" does not.
Solution:   Also give an error when evaluating only a string. (closes #10434)
This commit is contained in:
Bram Moolenaar
2022-05-17 12:45:15 +01:00
parent 7ce5b2b590
commit 0d03263fd7
3 changed files with 25 additions and 2 deletions
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15
src/ex_eval.c
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@@ -888,8 +888,8 @@ report_discard_pending(int pending, void *value)
}
/*
* Return TRUE if "arg" is only a variable, register, environment variable or
* option name.
* Return TRUE if "arg" is only a variable, register, environment variable,
* option name or string.
*/
int
cmd_is_name_only(char_u *arg)
@@ -904,6 +904,17 @@ cmd_is_name_only(char_u *arg)
if (*p != NUL)
++p;
}
else if (*p == '\'' || *p == '"')
{
int r;
if (*p == '"')
r = eval_string(&p, NULL, FALSE, FALSE);
else
r = eval_lit_string(&p, NULL, FALSE, FALSE);
if (r == FAIL)
return FALSE;
}
else
{
if (*p == '&')