commit 1040956292a9f2c3d02fc08febd5acf349c85590
author Bram Moolenaar <Bram@vim.org> Wed Jul 29 20:00:38 2020 +0200
committer Bram Moolenaar <Bram@vim.org> Wed Jul 29 20:00:38 2020 +0200
tree 9478dbc3a208ce7689737cd8ba36aac07c86689e
parent 7b7f78f51dc5a2c307330af0d4e53faced34726f

patch 8.2.1322: Vim9: method on double quoted string doesn't work

Problem:    Vim9: method on double quoted string doesn't work.
Solution:   Recognize double quoted string. (closes #6562)

src/ex_docmd.c

diff --git a/src/ex_docmd.c b/src/ex_docmd.c
index 536850e..ad1693b 100644
--- a/src/ex_docmd.c
+++ b/src/ex_docmd.c
@@ -3277,7 +3277,7 @@
 	char_u *pskip = (*eap->cmd == '&' || *eap->cmd == '$'
 				|| *eap->cmd == '@') ? eap->cmd + 1 : eap->cmd;
 
-	if (vim_strchr((char_u *)"{('[", *p) != NULL
+	if (vim_strchr((char_u *)"{('[\"", *p) != NULL
 	       || ((p = to_name_const_end(pskip)) > eap->cmd && *p != NUL))
 	{
 	    int oplen;
@@ -3293,6 +3293,8 @@
 			    *eap->cmd == '{'
 			    // "'string'->func()" is an expression.
 			 || *eap->cmd == '\''
+			    // '"string"->func()' is an expression.
+			 || *eap->cmd == '"'
 			    // "g:varname" is an expression.
 			 || eap->cmd[1] == ':'
 			    )

src/testdir/test_vim9_expr.vim

diff --git a/src/testdir/test_vim9_expr.vim b/src/testdir/test_vim9_expr.vim
index 5b46c32..e29ef5c 100644
--- a/src/testdir/test_vim9_expr.vim
+++ b/src/testdir/test_vim9_expr.vim
@@ -1638,8 +1638,9 @@
 def Test_expr7_method_call()
   new
   setline(1, ['first', 'last'])
-  eval 'second'->append(1)
-  assert_equal(['first', 'second', 'last'], getline(1, '$'))
+  'second'->append(1)
+  "third"->append(2)
+  assert_equal(['first', 'second', 'third', 'last'], getline(1, '$'))
   bwipe!
 
   let bufnr = bufnr()

src/testdir/test_vim9_func.vim

diff --git a/src/testdir/test_vim9_func.vim b/src/testdir/test_vim9_func.vim
index c05e98e..2546f13 100644
--- a/src/testdir/test_vim9_func.vim
+++ b/src/testdir/test_vim9_func.vim
@@ -502,8 +502,11 @@
     assert_equal('some', var)
 
     # line starting with single quote is not a mark
+    # line starting with double quote can be a method call
     'asdfasdf'->MyFunc()
     assert_equal('asdfasdf', var)
+    "xyz"->MyFunc()
+    assert_equal('xyz', var)
 
     def UseString()
       'xyork'->MyFunc()
@@ -511,6 +514,12 @@
     UseString()
     assert_equal('xyork', var)
 
+    def UseString2()
+      "knife"->MyFunc()
+    enddef
+    UseString2()
+    assert_equal('knife', var)
+
     # prepending a colon makes it a mark
     new
     setline(1, ['aaa', 'bbb', 'ccc'])

src/version.c

diff --git a/src/version.c b/src/version.c
index db2e9b4..bb1c4ab 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1322,
+/**/
     1321,
 /**/
     1320,