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patch 8.2.1512: failure after trinary expression fails

Problem:    Failure after trinary expression fails.
Solution:   Restore eval_flags. (Yasuhiro Matsumoto, closes #6776)
This commit is contained in:
Bram Moolenaar
2020-08-22 22:37:20 +02:00
parent cd94277f72
commit 69e44552c5
4 changed files with 54 additions and 0 deletions

View File

@@ -2167,7 +2167,10 @@ eval1(char_u **arg, typval_T *rettv, evalarg_T *evalarg)
evalarg_used->eval_flags = result ? orig_flags
: orig_flags & ~EVAL_EVALUATE;
if (eval1(arg, rettv, evalarg_used) == FAIL)
{
evalarg_used->eval_flags = orig_flags;
return FAIL;
}
/*
* Check for the ":".
@@ -2178,6 +2181,7 @@ eval1(char_u **arg, typval_T *rettv, evalarg_T *evalarg)
emsg(_(e_missing_colon));
if (evaluate && result)
clear_tv(rettv);
evalarg_used->eval_flags = orig_flags;
return FAIL;
}
if (getnext)
@@ -2188,6 +2192,7 @@ eval1(char_u **arg, typval_T *rettv, evalarg_T *evalarg)
{
error_white_both(p, 1);
clear_tv(rettv);
evalarg_used->eval_flags = orig_flags;
return FAIL;
}
*arg = p;
@@ -2200,6 +2205,7 @@ eval1(char_u **arg, typval_T *rettv, evalarg_T *evalarg)
{
error_white_both(p, 1);
clear_tv(rettv);
evalarg_used->eval_flags = orig_flags;
return FAIL;
}
*arg = skipwhite_and_linebreak(*arg + 1, evalarg_used);
@@ -2209,6 +2215,7 @@ eval1(char_u **arg, typval_T *rettv, evalarg_T *evalarg)
{
if (evaluate && result)
clear_tv(rettv);
evalarg_used->eval_flags = orig_flags;
return FAIL;
}
if (evaluate && !result)

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@@ -114,6 +114,27 @@ def Test_expr1_vimscript()
let var = v:true ? 1 :2
END
CheckScriptFailure(lines, 'E1004:', 2)
# check after failure eval_flags is reset
lines =<< trim END
vim9script
try
call eval('0 ? 1: 2')
catch
endtry
assert_equal(v:true, eval(string(v:true)))
END
CheckScriptSuccess(lines)
lines =<< trim END
vim9script
try
call eval('0 ? 1 :2')
catch
endtry
assert_equal(v:true, eval(string(v:true)))
END
CheckScriptSuccess(lines)
enddef
func Test_expr1_fails()

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@@ -7445,6 +7445,30 @@ func Test_typed_script_var()
call StopVimInTerminal(buf)
endfunc
" Test for issue6776 {{{1
func Test_trinary_expression()
try
call eval('0 ? 0')
catch
endtry
" previous failure should not cause next expression to fail
call assert_equal(v:false, eval(string(v:false)))
try
call eval('0 ? "burp')
catch
endtry
" previous failure should not cause next expression to fail
call assert_equal(v:false, eval(string(v:false)))
try
call eval('1 ? 0 : "burp')
catch
endtry
" previous failure should not cause next expression to fail
call assert_equal(v:false, eval(string(v:false)))
endfunction
"-------------------------------------------------------------------------------
" Modelines {{{1
" vim: ts=8 sw=2 sts=2 expandtab tw=80 fdm=marker

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@@ -754,6 +754,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
1512,
/**/
1511,
/**/