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authorzeertzjq <zeertzjq@outlook.com>2022-11-13 08:09:21 +0800
committerGitHub <noreply@github.com>2022-11-13 08:09:21 +0800
commitf516a9ced7238dbb9a3eff453736702fc3d9ec82 (patch)
tree8da04d6c08300f6b09d944378cd15814af61d533 /src
parent47ad4c8701b4233aa302c1c21ff08a5f223596c7 (diff)
parentb25197258086faa94ddfaa2a74e1d0eb3695d9b3 (diff)
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Merge pull request #21037 from zeertzjq/vim-8.2.4675
vim-patch:8.2.{4675,4676},9.0.0869: no error for missing expression after :elseif
Diffstat (limited to 'src')
-rw-r--r--src/nvim/ex_eval.c9
-rw-r--r--src/nvim/testdir/test_vimscript.vim20
2 files changed, 23 insertions, 6 deletions
diff --git a/src/nvim/ex_eval.c b/src/nvim/ex_eval.c
index 8c2ac895cb..bde2f3c801 100644
--- a/src/nvim/ex_eval.c
+++ b/src/nvim/ex_eval.c
@@ -899,7 +899,14 @@ void ex_else(exarg_T *eap)
if (eap->cmdidx == CMD_elseif) {
bool error;
- result = eval_to_bool(eap->arg, &error, &eap->nextcmd, skip);
+ // When skipping we ignore most errors, but a missing expression is
+ // wrong, perhaps it should have been "else".
+ // A double quote here is the start of a string, not a comment.
+ if (skip && *eap->arg != '"' && ends_excmd(*eap->arg)) {
+ semsg(_(e_invexpr2), eap->arg);
+ } else {
+ result = eval_to_bool(eap->arg, &error, &eap->nextcmd, skip);
+ }
// When throwing error exceptions, we want to throw always the first
// of several errors in a row. This is what actually happens when
diff --git a/src/nvim/testdir/test_vimscript.vim b/src/nvim/testdir/test_vimscript.vim
index 44904af160..c93ba9dcfc 100644
--- a/src/nvim/testdir/test_vimscript.vim
+++ b/src/nvim/testdir/test_vimscript.vim
@@ -193,6 +193,16 @@ func Test_if_while()
call assert_equal('ab3j3b2c2b1f1h1km', g:Xpath)
endfunc
+" Check double quote after skipped "elseif" does not give error E15
+func Test_skipped_elseif()
+ if "foo" ==? "foo"
+ let result = "first"
+ elseif "foo" ==? "foo"
+ let result = "second"
+ endif
+ call assert_equal('first', result)
+endfunc
+
"-------------------------------------------------------------------------------
" Test 4: :return {{{1
"-------------------------------------------------------------------------------
@@ -3024,7 +3034,7 @@ func Test_nested_if_else_errors()
" :elseif without :if
let code =<< trim END
- elseif
+ elseif 1
END
call writefile(code, 'Xtest')
call AssertException(['source Xtest'], 'Vim(elseif):E582: :elseif without :if')
@@ -3032,7 +3042,7 @@ func Test_nested_if_else_errors()
" :elseif without :if
let code =<< trim END
while 1
- elseif
+ elseif 1
endwhile
END
call writefile(code, 'Xtest')
@@ -3042,7 +3052,7 @@ func Test_nested_if_else_errors()
let code =<< trim END
try
finally
- elseif
+ elseif 1
endtry
END
call writefile(code, 'Xtest')
@@ -3051,7 +3061,7 @@ func Test_nested_if_else_errors()
" :elseif without :if
let code =<< trim END
try
- elseif
+ elseif 1
endtry
END
call writefile(code, 'Xtest')
@@ -3062,7 +3072,7 @@ func Test_nested_if_else_errors()
try
throw "a"
catch /a/
- elseif
+ elseif 1
endtry
END
call writefile(code, 'Xtest')