patch 8.2.1126: Vim9: using :copen causes an error

Problem:    Vim9: using :copen causes an error.
Solution:   Add flag LET_NO_COMMAND in set_var().

src/Makefile

@@ -2308,7 +2308,6 @@ test1 \
 	test42 test44 test49 \
 	test52 test59 \
 	test70 \
-	test87 \
 	test99:
 	cd testdir; rm -f $@.out; $(MAKE) -f Makefile $@.out VIMPROG=../$(VIMTESTTARGET) $(GUI_TESTARG) SCRIPTSOURCE=../$(SCRIPTSOURCE)
 

src/dict.c

@@ -787,8 +787,8 @@ get_literal_key(char_u **arg, typval_T *tv)
 
 /*
  * Allocate a variable for a Dictionary and fill it from "*arg".
+ * "*arg" points to the "{".
  * "literal" is TRUE for #{key: val}
- * "flags" can have EVAL_EVALUATE and other EVAL_ flags.
  * Return OK or FAIL.  Returns NOTDONE for {expr}.
  */
     int
@@ -830,7 +830,7 @@ eval_dict(char_u **arg, typval_T *rettv, evalarg_T *evalarg, int literal)
     tvkey.v_type = VAR_UNKNOWN;
     tv.v_type = VAR_UNKNOWN;
 
-    *arg = skipwhite_and_linebreak_keep_string(*arg + 1, evalarg);
+    *arg = skipwhite_and_linebreak(*arg + 1, evalarg);
     while (**arg != '}' && **arg != NUL)
     {
 	if ((literal
@@ -862,7 +862,7 @@ eval_dict(char_u **arg, typval_T *rettv, evalarg_T *evalarg, int literal)
 	    goto failret;
 	}
 
-	*arg = skipwhite_and_linebreak_keep_string(*arg + 1, evalarg);
+	*arg = skipwhite_and_linebreak(*arg + 1, evalarg);
 	if (eval1(arg, &tv, evalarg) == FAIL)	// recursive!
 	{
 	    if (evaluate)
@@ -904,7 +904,7 @@ eval_dict(char_u **arg, typval_T *rettv, evalarg_T *evalarg, int literal)
 	}
 
 	// the "}" can be on the next line
-	*arg = skipwhite_and_linebreak_keep_string(*arg, evalarg);
+	*arg = skipwhite_and_linebreak(*arg, evalarg);
 	if (**arg == '}')
 	    break;
 	if (!had_comma)

src/eval.c

@@ -1866,9 +1866,9 @@ eval_func(
 }
 
 /*
- * If inside Vim9 script, "arg" points to the end of a line (ignoring comments)
- * and there is a next line, return the next line (skipping blanks) and set
- * "getnext".
+ * If inside Vim9 script, "arg" points to the end of a line (ignoring a #
+ * comment) and there is a next line, return the next line (skipping blanks)
+ * and set "getnext".
  * Otherwise just return "arg" unmodified and set "getnext" to FALSE.
  * "arg" must point somewhere inside a line, not at the start.
  */
@@ -1880,7 +1880,7 @@ eval_next_non_blank(char_u *arg, evalarg_T *evalarg, int *getnext)
 	    && evalarg != NULL
 	    && evalarg->eval_cookie != NULL
 	    && (*arg == NUL || (VIM_ISWHITE(arg[-1])
-					     && (*arg == '"' || *arg == '#'))))
+					     && *arg == '#' && arg[1] != '{')))
     {
 	char_u *p = getline_peek(evalarg->eval_getline, evalarg->eval_cookie);
 
@@ -1927,26 +1927,14 @@ skipwhite_and_linebreak(char_u *arg, evalarg_T *evalarg)
     int	    getnext;
     char_u  *p = skipwhite(arg);
 
+    if (evalarg == NULL)
+	return skipwhite(arg);
     eval_next_non_blank(p, evalarg, &getnext);
     if (getnext)
 	return eval_next_line(evalarg);
     return p;
 }
 
-/*
- * Call eval_next_non_blank() and get the next line if needed, but not when a
- * double quote follows.  Used inside an expression.
- */
-    char_u *
-skipwhite_and_linebreak_keep_string(char_u *arg, evalarg_T *evalarg)
-{
-    char_u  *p = skipwhite(arg);
-
-    if (*p == '"')
-	return p;
-    return skipwhite_and_linebreak(arg, evalarg);
-}
-
 /*
  * After using "evalarg" filled from "eap" free the memory.
  */
@@ -3362,7 +3350,7 @@ eval_index(
 	 *
 	 * Get the (first) variable from inside the [].
 	 */
-	*arg = skipwhite(*arg + 1);
+	*arg = skipwhite_and_linebreak(*arg + 1, evalarg);
 	if (**arg == ':')
 	    empty1 = TRUE;
 	else if (eval1(arg, &var1, evalarg) == FAIL)	// recursive!
@@ -3377,10 +3365,11 @@ eval_index(
 	/*
 	 * Get the second variable from inside the [:].
 	 */
+	*arg = skipwhite_and_linebreak(*arg, evalarg);
 	if (**arg == ':')
 	{
 	    range = TRUE;
-	    *arg = skipwhite(*arg + 1);
+	    *arg = skipwhite_and_linebreak(*arg + 1, evalarg);
 	    if (**arg == ']')
 		empty2 = TRUE;
 	    else if (eval1(arg, &var2, evalarg) == FAIL)	// recursive!
@@ -3400,6 +3389,7 @@ eval_index(
 	}
 
 	// Check for the ']'.
+	*arg = skipwhite_and_linebreak(*arg, evalarg);
 	if (**arg != ']')
 	{
 	    if (verbose)
@@ -5043,6 +5033,21 @@ handle_subscript(
 				      && (evalarg->eval_flags & EVAL_EVALUATE);
     int		ret = OK;
     dict_T	*selfdict = NULL;
+    int		check_white = TRUE;
+
+    // When at the end of the line and ".name" follows in the next line then
+    // consume the line break.  Only when rettv is a dict.
+    if (rettv->v_type == VAR_DICT)
+    {
+	int	getnext;
+	char_u	*p = eval_next_non_blank(*arg, evalarg, &getnext);
+
+	if (getnext && *p == '.' && ASCII_ISALPHA(p[1]))
+	{
+	    *arg = eval_next_line(evalarg);
+	    check_white = FALSE;
+	}
+    }
 
     // "." is ".name" lookup when we found a dict or when evaluating and
     // scriptversion is at least 2, where string concatenation is "..".
@@ -5054,7 +5059,7 @@ handle_subscript(
 			    && current_sctx.sc_version >= 2)))
 		    || (**arg == '(' && (!evaluate || rettv->v_type == VAR_FUNC
 					    || rettv->v_type == VAR_PARTIAL)))
-		&& !VIM_ISWHITE(*(*arg - 1)))
+		&& (!check_white || !VIM_ISWHITE(*(*arg - 1))))
 	    || (**arg == '-' && (*arg)[1] == '>')))
     {
 	if (**arg == '(')

src/evalvars.c

@@ -2852,7 +2852,7 @@ set_var(
     typval_T	*tv,
     int		copy)	    // make copy of value in "tv"
 {
-    set_var_const(name, NULL, tv, copy, 0);
+    set_var_const(name, NULL, tv, copy, LET_NO_COMMAND);
 }
 
 /*

src/list.c

@@ -1177,7 +1177,7 @@ eval_list(char_u **arg, typval_T *rettv, evalarg_T *evalarg, int do_error)
 	    return FAIL;
     }
 
-    *arg = skipwhite_and_linebreak_keep_string(*arg + 1, evalarg);
+    *arg = skipwhite_and_linebreak(*arg + 1, evalarg);
     while (**arg != ']' && **arg != NUL)
     {
 	if (eval1(arg, &tv, evalarg) == FAIL)	// recursive!
@@ -1209,7 +1209,7 @@ eval_list(char_u **arg, typval_T *rettv, evalarg_T *evalarg, int do_error)
 
 	// The "]" can be on the next line.  But a double quoted string may
 	// follow, not a comment.
-	*arg = skipwhite_and_linebreak_keep_string(*arg, evalarg);
+	*arg = skipwhite_and_linebreak(*arg, evalarg);
 	if (**arg == ']')
 	    break;
 

src/proto/eval.pro

@@ -32,7 +32,6 @@ int pattern_match(char_u *pat, char_u *text, int ic);
 char_u *eval_next_non_blank(char_u *arg, evalarg_T *evalarg, int *getnext);
 char_u *eval_next_line(evalarg_T *evalarg);
 char_u *skipwhite_and_linebreak(char_u *arg, evalarg_T *evalarg);
-char_u *skipwhite_and_linebreak_keep_string(char_u *arg, evalarg_T *evalarg);
 void clear_evalarg(evalarg_T *evalarg, exarg_T *eap);
 int eval0(char_u *arg, typval_T *rettv, exarg_T *eap, evalarg_T *evalarg);
 int eval1(char_u **arg, typval_T *rettv, evalarg_T *evalarg);

src/proto/vim9script.pro

@@ -4,8 +4,8 @@ void ex_vim9script(exarg_T *eap);
 void ex_export(exarg_T *eap);
 void free_imports(int sid);
 void ex_import(exarg_T *eap);
-int find_exported(int sid, char_u **argp, int *name_len, ufunc_T **ufunc, type_T **type);
-char_u *handle_import(char_u *arg_start, garray_T *gap, int import_sid, void *cctx);
+int find_exported(int sid, char_u *name, ufunc_T **ufunc, type_T **type);
+char_u *handle_import(char_u *arg_start, garray_T *gap, int import_sid, evalarg_T *evalarg, void *cctx);
 char_u *vim9_declare_scriptvar(exarg_T *eap, char_u *arg);
 int check_script_var_type(typval_T *dest, typval_T *value, char_u *name);
 /* vim: set ft=c : */

src/testdir/Make_all.mak

@@ -20,15 +20,12 @@ SCRIPTS_ALL = \
 
 # Tests that run on most systems, but not on Amiga.
 SCRIPTS_MORE1 = \
-	test52.out \
-	test87.out
-
+	test52.out
 
 # Tests that run on most systems, but not on Amiga and DOS/Windows.
 SCRIPTS_MORE2 = \
 	test49.out
 
-
 # Tests that run on most systems, but not on VMS
 SCRIPTS_MORE4 = \
 	test59.out
@@ -36,7 +33,6 @@ SCRIPTS_MORE4 = \
 # Tests specifically for MS-Windows.
 SCRIPTS_WIN32 =
 
-
 # Tests for the GUI.
 SCRIPTS_GUI =
 
@@ -309,7 +305,6 @@ NEW_TESTS = \
 	test_alot_utf8 \
 	test_alot
 
-
 # Test targets that use runtest.vim.
 # Keep test_alot*.res as the last one, sort the others.
 # test_largefile.res is omitted, it uses too much resources to run on CI.

src/testdir/Make_vms.mms

@@ -4,7 +4,7 @@
 # Authors:	Zoltan Arpadffy, <arpadffy@polarhome.com>
 #		Sandor Kopanyi,  <sandor.kopanyi@mailbox.hu>
 #
-# Last change:  2019 May 31
+# Last change:  2020 Jul 03
 #
 # This has been tested on VMS 6.2 to 8.3 on DEC Alpha, VAX and IA64.
 # Edit the lines in the Configuration section below to select.
@@ -115,10 +115,6 @@ SCRIPT_ODS5 = test102.out
 SCRIPT_GDIFF = test47.out
 .ENDIF
 
-.IFDEF HAVE_PYTHON
-SCRIPT_PYTHON = test87.out
-.ENDIF
-
 .in.out :
 	-@ !clean up before doing the test
 	-@ if "''F$SEARCH("test.out.*")'" .NES. "" then delete/noconfirm/nolog test.out.*
@@ -140,7 +136,7 @@ SCRIPT_PYTHON = test87.out
 	-@ if "''F$SEARCH("Xtest.*")'"    .NES. "" then delete/noconfirm/nolog Xtest.*.*
 
 all : clean nolog $(START_WITH) $(SCRIPT) $(SCRIPT_GUI) $(SCRIPT_UNIX) $(SCRIPT_WIN) $(SCRIPT_SPELL) $(SCRIPT_ODS5) \
-    $(SCRIPT_GDIFF) $(SCRIPT_MZSCH) $(SCRIPT_LUA) $(SCRIPT_PYTHON) nolog 
+    $(SCRIPT_GDIFF) $(SCRIPT_MZSCH) $(SCRIPT_LUA) nolog 
 	-@ write sys$output " "
 	-@ write sys$output "-----------------------------------------------"
 	-@ write sys$output "                All done"

src/testdir/test_python2.vim

@@ -560,11 +560,11 @@ endfunc
 " Test for calling a function
 func Test_python_function_call()
   func New(...)
-     return ['NewStart'] + a:000 + ['NewEnd']
+    return ['NewStart'] + a:000 + ['NewEnd']
   endfunc
 
   func DictNew(...) dict
-     return ['DictNewStart'] + a:000 + ['DictNewEnd', self]
+    return ['DictNewStart'] + a:000 + ['DictNewEnd', self]
   endfunc
 
   new
@@ -1312,8 +1312,8 @@ func Test_python_buffer()
 
   " Test assigning to name property
   augroup BUFS
-     autocmd BufFilePost * python cb.append(vim.eval('expand("<abuf>")') + ':BufFilePost:' + vim.eval('bufnr("%")'))
-     autocmd BufFilePre * python cb.append(vim.eval('expand("<abuf>")') + ':BufFilePre:' + vim.eval('bufnr("%")'))
+    autocmd BufFilePost * python cb.append(vim.eval('expand("<abuf>")') + ':BufFilePost:' + vim.eval('bufnr("%")'))
+    autocmd BufFilePre * python cb.append(vim.eval('expand("<abuf>")') + ':BufFilePre:' + vim.eval('bufnr("%")'))
   augroup END
   py << trim EOF
     import os
@@ -1364,7 +1364,7 @@ func Test_python_buffer()
   call assert_equal([''], getline(1, '$'))
 
   augroup BUFS
-     autocmd!
+    autocmd!
   augroup END
   augroup! BUFS
   %bw!
@@ -1516,7 +1516,7 @@ func Test_python_tabpage_window()
       cb.append('!!!!!! Windows differ')
   EOF
 
-  let expected =<< trim END 
+  let expected =<< trim END
     Number of tabs: 4
     Current tab pages:
       <tabpage 0>(1): 1 windows, current is <window object (unknown)>
@@ -1801,13 +1801,13 @@ func Test_python_vim_func()
     cb.append('psaA: ' + repr(psaA))
     cb.append('psaB: ' + repr(psaB))
     cb.append('psaC: ' + repr(psaC))
-  
+
     psar = vim.Function('SelfArgs', args=[{'abcArgsPSAr': 'abcArgsPSArVal'}], self={'abcSelfPSAr': 'abcSelfPSArVal'})
     psar.args[0]['abcArgsPSAr2'] = [psar.self, psar.args[0]]
     psar.self['rec'] = psar
     psar.self['self'] = psar.self
     psar.self['args'] = psar.args
-  
+
     try:
         cb.append('psar: ' + repr(psar))
     except Exception:
@@ -1931,7 +1931,7 @@ func Test_python_vim_func()
             return repr(v)
         else:
             return vim.Function('string')(v)
-  
+
     cb.append('a.args: ' + s(a.args))
     cb.append('pa1.args: ' + s(pa1.args))
     cb.append('pa2.args: ' + s(pa2.args))
@@ -1942,7 +1942,7 @@ func Test_python_vim_func()
     cb.append('psa2.args: ' + s(psa2.args))
     cb.append('psa3.args: ' + s(psa3.args))
     cb.append('psa4.args: ' + s(psa4.args))
-  
+
     cb.append('a.self: ' + s(a.self))
     cb.append('pa1.self: ' + s(pa1.self))
     cb.append('pa2.self: ' + s(pa2.self))
@@ -1953,7 +1953,7 @@ func Test_python_vim_func()
     cb.append('psa2.self: ' + s(psa2.self))
     cb.append('psa3.self: ' + s(psa3.self))
     cb.append('psa4.self: ' + s(psa4.self))
-  
+
     cb.append('a.name: ' + s(a.name))
     cb.append('pa1.name: ' + s(pa1.name))
     cb.append('pa2.name: ' + s(pa2.name))
@@ -1964,7 +1964,7 @@ func Test_python_vim_func()
     cb.append('psa2.name: ' + s(psa2.name))
     cb.append('psa3.name: ' + s(psa3.name))
     cb.append('psa4.name: ' + s(psa4.name))
-  
+
     cb.append('a.auto_rebind: ' + s(a.auto_rebind))
     cb.append('pa1.auto_rebind: ' + s(pa1.auto_rebind))
     cb.append('pa2.auto_rebind: ' + s(pa2.auto_rebind))
@@ -1983,9 +1983,9 @@ func Test_python_vim_func()
     cb.append('psaA.auto_rebind: ' + s(psaA.auto_rebind))
     cb.append('psaB.auto_rebind: ' + s(psaB.auto_rebind))
     cb.append('psaC.auto_rebind: ' + s(psaC.auto_rebind))
-  
+
     del s
-  
+
     del a
     del pa1
     del pa2
@@ -2005,7 +2005,7 @@ func Test_python_vim_func()
     del psaB
     del psaC
     del psar
-  
+
     del ecall
   EOF
 
@@ -2140,19 +2140,19 @@ func Test_python_subclass()
         super(DupDict, self).__setitem__('dup_' + key, value)
     dd = DupDict()
     dd['a'] = 'b'
-  
+
     class DupList(vim.List):
       def __getitem__(self, idx):
         return [super(DupList, self).__getitem__(idx)] * 2
-  
+
     dl = DupList()
     dl2 = DupList(iter('abcC'))
     dl.extend(dl2[0])
-  
+
     class DupFun(vim.Function):
       def __call__(self, arg):
         return super(DupFun, self).__call__(arg, arg)
-  
+
     df = DupFun('Put')
   EOF
 
@@ -2233,33 +2233,33 @@ func Test_python_errors()
     fd = vim.Function('F')
     fdel = vim.Function('D')
     vim.command('delfunction D')
-  
+
     def subexpr_test(expr, name, subexprs):
         cb.append('>>> Testing %s using %s' % (name, expr))
         for subexpr in subexprs:
             ee(expr % subexpr)
         cb.append('<<< Finished')
-  
+
     def stringtochars_test(expr):
         return subexpr_test(expr, 'StringToChars', (
             '1',       # Fail type checks
             'u"\\0"',  # Fail PyString_AsStringAndSize(bytes, , NULL) check
             '"\\0"',   # Fail PyString_AsStringAndSize(object, , NULL) check
         ))
-  
+
     class Mapping(object):
         def __init__(self, d):
             self.d = d
-  
+
         def __getitem__(self, key):
             return self.d[key]
-  
+
         def keys(self):
             return self.d.keys()
-  
+
         def items(self):
             return self.d.items()
-  
+
     def convertfrompyobject_test(expr, recurse=True):
         # pydict_to_tv
         stringtochars_test(expr % '{%s : 1}')
@@ -2279,19 +2279,19 @@ func Test_python_errors()
             'FailingMappingKey()',  #
             'FailingNumber()',      #
         ))
-  
+
     def convertfrompymapping_test(expr):
         convertfrompyobject_test(expr)
         return subexpr_test(expr, 'ConvertFromPyMapping', (
             '[]',
         ))
-  
+
     def iter_test(expr):
         return subexpr_test(expr, '*Iter*', (
             'FailingIter()',
             'FailingIterNext()',
         ))
-  
+
     def number_test(expr, natural=False, unsigned=False):
         if natural:
             unsigned = True
@@ -2300,69 +2300,69 @@ func Test_python_errors()
             'None',
         ) + (unsigned and ('-1',) or ())
         + (natural and ('0',) or ()))
-  
+
     class FailingTrue(object):
         def __nonzero__(self):
             raise NotImplementedError('bool')
-  
+
     class FailingIter(object):
         def __iter__(self):
             raise NotImplementedError('iter')
-  
+
     class FailingIterNext(object):
         def __iter__(self):
             return self
-  
+
         def next(self):
             raise NotImplementedError('next')
-  
+
     class FailingIterNextN(object):
         def __init__(self, n):
             self.n = n
-  
+
         def __iter__(self):
             return self
-  
+
         def next(self):
             if self.n:
                 self.n -= 1
                 return 1
             else:
                 raise NotImplementedError('next N')
-  
+
     class FailingMappingKey(object):
         def __getitem__(self, item):
             raise NotImplementedError('getitem:mappingkey')
-  
+
         def keys(self):
             return list("abcH")
-  
+
     class FailingMapping(object):
         def __getitem__(self):
             raise NotImplementedError('getitem:mapping')
-  
+
         def keys(self):
             raise NotImplementedError('keys')
-  
+
     class FailingList(list):
         def __getitem__(self, idx):
             if i == 2:
                 raise NotImplementedError('getitem:list')
             else:
                 return super(FailingList, self).__getitem__(idx)
-  
+
     class NoArgsCall(object):
         def __call__(self):
             pass
-  
+
     class FailingCall(object):
         def __call__(self, path):
             raise NotImplementedError('call')
-  
+
     class FailingNumber(object):
         def __int__(self):
             raise NotImplementedError('int')
-  
+
     cb.append("> Output")
     cb.append(">> OutputSetattr")
     ee('del sys.stdout.softspace')

src/testdir/test_vim9_expr.vim

@@ -1138,6 +1138,43 @@ def Test_expr_member()
   call CheckDefExecFailure(["let d: dict<number>", "d = g:list_empty"], 'E1029: Expected dict but got list')
 enddef
 
+def Test_expr_member_vim9script()
+  let lines =<< trim END
+      vim9script
+      let d = #{one:
+      		'one',
+		two: 'two'}
+      assert_equal('one', d.one)
+      assert_equal('one', d
+                            .one)
+      assert_equal('one', d[
+			    'one'
+			    ])
+  END
+  CheckScriptSuccess(lines)
+
+  lines =<< trim END
+      vim9script
+      let l = [1,
+		  2,
+		  3, 4
+		  ]
+      assert_equal(2, l[
+			    1
+			    ])
+      assert_equal([2, 3], l[1 : 2])
+      assert_equal([1, 2, 3], l[
+				:
+				2
+				])
+      assert_equal([3, 4], l[
+				2
+				:
+				])
+  END
+  CheckScriptSuccess(lines)
+enddef
+
 def Test_expr7_option()
   " option
   set ts=11

src/testdir/test_vim9_script.vim

@@ -686,6 +686,35 @@ def Test_vim9_import_export()
   unlet g:imported_name g:imported_name_appended
   delete('Ximport.vim')
 
+  # similar, with line breaks
+  let import_line_break_script_lines =<< trim END
+    vim9script
+    import {
+        exported,
+        Exported,
+        }
+        from
+        './Xexport.vim'
+    g:imported = exported
+    exported += 5
+    g:imported_added = exported
+    g:imported_func = Exported()
+  END
+  writefile(import_line_break_script_lines, 'Ximport_lbr.vim')
+  source Ximport_lbr.vim
+
+  assert_equal(9876, g:imported)
+  assert_equal(9881, g:imported_added)
+  assert_equal('Exported', g:imported_func)
+
+  # exported script not sourced again
+  assert_false(exists('g:result'))
+  unlet g:imported
+  unlet g:imported_added
+  unlet g:imported_func
+  delete('Ximport_lbr.vim')
+
+  # import inside :def function
   let import_in_def_lines =<< trim END
     vim9script
     def ImportInDef()
@@ -751,6 +780,21 @@ def Test_vim9_import_export()
   writefile(import_star_as_lines_missing_name, 'Ximport.vim')
   assert_fails('source Ximport.vim', 'E1048:')
 
+  let import_star_as_lbr_lines =<< trim END
+    vim9script
+    import *
+        as Export
+        from
+        './Xexport.vim'
+    def UseExport()
+      g:imported = Export.exported
+    enddef
+    UseExport()
+  END
+  writefile(import_star_as_lbr_lines, 'Ximport.vim')
+  source Ximport.vim
+  assert_equal(9883, g:imported)
+
   let import_star_lines =<< trim END
     vim9script
     import * from './Xexport.vim'
@@ -2175,6 +2219,12 @@ def Test_source_vim9_from_legacy()
   delete('Xvim9_script.vim')
 enddef
 
+def Test_vim9_copen()
+  # this was giving an error for setting w:quickfix_title
+  copen
+  quit
+enddef
+
 " Keep this last, it messes up highlighting.
 def Test_substitute_cmd()
   new

src/version.c

@@ -754,6 +754,16 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1126,
+/**/
+    1125,
+/**/
+    1124,
+/**/
+    1123,
+/**/
+    1122,
 /**/
     1121,
 /**/

src/vim9compile.c

@@ -2613,7 +2613,8 @@ compile_load_scriptvar(
 	if (import->imp_all)
 	{
 	    char_u	*p = skipwhite(*end);
-	    int		name_len;
+	    char_u	*exp_name;
+	    int		cc;
 	    ufunc_T	*ufunc;
 	    type_T	*type;
 
@@ -2630,7 +2631,17 @@ compile_load_scriptvar(
 		return FAIL;
 	    }
 
-	    idx = find_exported(import->imp_sid, &p, &name_len, &ufunc, &type);
+	    // isolate one name
+	    exp_name = p;
+	    while (eval_isnamec(*p))
+		++p;
+	    cc = *p;
+	    *p = NUL;
+
+	    idx = find_exported(import->imp_sid, exp_name, &ufunc, &type);
+	    *p = cc;
+	    p = skipwhite(p);
+
 	    // TODO: what if it is a function?
 	    if (idx < 0)
 		return FAIL;
@@ -2981,6 +2992,7 @@ to_name_end(char_u *arg, int namespace)
 
 /*
  * Like to_name_end() but also skip over a list or dict constant.
+ * This intentionally does not handle line continuation.
  */
     char_u *
 to_name_const_end(char_u *arg)
@@ -5632,7 +5644,7 @@ compile_unletlock(char_u *arg, exarg_T *eap, cctx_T *cctx)
     static char_u *
 compile_import(char_u *arg, cctx_T *cctx)
 {
-    return handle_import(arg, &cctx->ctx_imports, 0, cctx);
+    return handle_import(arg, &cctx->ctx_imports, 0, NULL, cctx);
 }
 
 /*

src/vim9script.c

@@ -142,17 +142,21 @@ free_imports(int sid)
     void
 ex_import(exarg_T *eap)
 {
-    char_u *cmd_end;
+    char_u	*cmd_end;
+    evalarg_T	evalarg;
 
     if (!getline_equal(eap->getline, eap->cookie, getsourceline))
     {
 	emsg(_("E1094: import can only be used in a script"));
 	return;
     }
+    fill_evalarg_from_eap(&evalarg, eap, eap->skip);
 
-    cmd_end = handle_import(eap->arg, NULL, current_sctx.sc_sid, NULL);
+    cmd_end = handle_import(eap->arg, NULL, current_sctx.sc_sid,
+							       &evalarg, NULL);
     if (cmd_end != NULL)
 	eap->nextcmd = check_nextcmd(cmd_end);
+    clear_evalarg(&evalarg, eap);
 }
 
 /*
@@ -164,27 +168,16 @@ ex_import(exarg_T *eap)
     int
 find_exported(
 	int	    sid,
-	char_u	    **argp,
-	int	    *name_len,
+	char_u	    *name,
 	ufunc_T	    **ufunc,
 	type_T	    **type)
 {
-    char_u	*name = *argp;
-    char_u	*arg = *argp;
-    int		cc;
     int		idx = -1;
     svar_T	*sv;
     scriptitem_T *script = SCRIPT_ITEM(sid);
 
-    // isolate one name
-    while (eval_isnamec(*arg))
-	++arg;
-    *name_len = (int)(arg - name);
-
     // find name in "script"
     // TODO: also find script-local user function
-    cc = *arg;
-    *arg = NUL;
     idx = get_script_item_idx(sid, name, FALSE);
     if (idx >= 0)
     {
@@ -192,7 +185,6 @@ find_exported(
 	if (!sv->sv_export)
 	{
 	    semsg(_("E1049: Item not exported in script: %s"), name);
-	    *arg = cc;
 	    return -1;
 	}
 	*type = sv->sv_type;
@@ -210,10 +202,7 @@ find_exported(
 	{
 	    funcname = alloc(STRLEN(name) + 10);
 	    if (funcname == NULL)
-	    {
-		*arg = cc;
 		return -1;
-	    }
 	}
 	funcname[0] = K_SPECIAL;
 	funcname[1] = KS_EXTRA;
@@ -226,13 +215,9 @@ find_exported(
 	if (*ufunc == NULL)
 	{
 	    semsg(_("E1048: Item not found in script: %s"), name);
-	    *arg = cc;
 	    return -1;
 	}
     }
-    *arg = cc;
-    arg = skipwhite(arg);
-    *argp = arg;
 
     return idx;
 }
@@ -243,62 +228,121 @@ find_exported(
  * Returns a pointer to after the command or NULL in case of failure
  */
     char_u *
-handle_import(char_u *arg_start, garray_T *gap, int import_sid, void *cctx)
+handle_import(
+	char_u	    *arg_start,
+	garray_T    *gap,
+	int	    import_sid,
+	evalarg_T   *evalarg,
+	void	    *cctx)
 {
     char_u	*arg = arg_start;
-    char_u	*cmd_end;
-    char_u	*as_ptr = NULL;
-    char_u	*from_ptr;
-    int		as_len = 0;
+    char_u	*cmd_end = NULL;
+    char_u	*as_name = NULL;
     int		ret = FAIL;
     typval_T	tv;
     int		sid = -1;
     int		res;
+    garray_T	names;
+    static char e_import_syntax[] = N_("E1047: syntax error in import");
 
+    ga_init2(&names, sizeof(char_u *), 10);
     if (*arg == '{')
     {
-	// skip over {item} list
-	while (*arg != NUL && *arg != '}')
-	    ++arg;
-	if (*arg == '}')
-	    arg = skipwhite(arg + 1);
+	// "import {item, item} from ..."
+	arg = skipwhite_and_linebreak(arg + 1, evalarg);
+	for (;;)
+	{
+	    char_u  *p = arg;
+	    int	    had_comma = FALSE;
+
+	    while (eval_isnamec(*arg))
+		++arg;
+	    if (p == arg)
+		break;
+	    if (ga_grow(&names, 1) == FAIL)
+		goto erret;
+	    ((char_u **)names.ga_data)[names.ga_len] =
+						      vim_strnsave(p, arg - p);
+	    ++names.ga_len;
+	    if (*arg == ',')
+	    {
+		had_comma = TRUE;
+		++arg;
+	    }
+	    arg = skipwhite_and_linebreak(arg, evalarg);
+	    if (*arg == '}')
+	    {
+		arg = skipwhite_and_linebreak(arg + 1, evalarg);
+		break;
+	    }
+	    if (!had_comma)
+	    {
+		emsg(_("E1046: Missing comma in import"));
+		goto erret;
+	    }
+	}
+	if (names.ga_len == 0)
+	{
+	    emsg(_(e_import_syntax));
+	    goto erret;
+	}
     }
     else
     {
-	if (*arg == '*')
-	    arg = skipwhite(arg + 1);
+	// "import Name from ..."
+	// "import * as Name from ..."
+	// "import item [as Name] from ..."
+	arg = skipwhite_and_linebreak(arg, evalarg);
+	if (arg[0] == '*' && IS_WHITE_OR_NUL(arg[1]))
+	    arg = skipwhite_and_linebreak(arg + 1, evalarg);
 	else if (eval_isnamec1(*arg))
 	{
+	    char_u  *p = arg;
+
 	    while (eval_isnamec(*arg))
 		++arg;
-	    arg = skipwhite(arg);
+	    if (ga_grow(&names, 1) == FAIL)
+		goto erret;
+	    ((char_u **)names.ga_data)[names.ga_len] =
+						      vim_strnsave(p, arg - p);
+	    ++names.ga_len;
+	    arg = skipwhite_and_linebreak(arg, evalarg);
 	}
-	if (STRNCMP("as", arg, 2) == 0 && VIM_ISWHITE(arg[2]))
+	else
 	{
-	    // skip over "as Name "
+	    emsg(_(e_import_syntax));
+	    goto erret;
+	}
+
+	if (STRNCMP("as", arg, 2) == 0 && IS_WHITE_OR_NUL(arg[2]))
+	{
+	    char_u *p;
+
+	    // skip over "as Name "; no line break allowed after "as"
 	    arg = skipwhite(arg + 2);
-	    as_ptr = arg;
+	    p = arg;
 	    if (eval_isnamec1(*arg))
 		while (eval_isnamec(*arg))
 		    ++arg;
-	    as_len = (int)(arg - as_ptr);
-	    arg = skipwhite(arg);
-	    if (check_defined(as_ptr, as_len, cctx) == FAIL)
-		return NULL;
+	    if (check_defined(p, (int)(arg - p), cctx) == FAIL)
+		goto erret;
+	    as_name = vim_strnsave(p, arg - p);
+	    arg = skipwhite_and_linebreak(arg, evalarg);
 	}
 	else if (*arg_start == '*')
 	{
 	    emsg(_("E1045: Missing \"as\" after *"));
-	    return NULL;
+	    goto erret;
 	}
     }
-    if (STRNCMP("from", arg, 4) != 0 || !VIM_ISWHITE(arg[4]))
+
+    if (STRNCMP("from", arg, 4) != 0 || !IS_WHITE_OR_NUL(arg[4]))
     {
 	emsg(_("E1070: Missing \"from\""));
-	return NULL;
+	goto erret;
     }
-    from_ptr = arg;
-    arg = skipwhite(arg + 4);
+
+    arg = skipwhite_and_linebreak(arg + 4, evalarg);
     tv.v_type = VAR_UNKNOWN;
     // TODO: should we accept any expression?
     if (*arg == '\'')
@@ -308,11 +352,13 @@ handle_import(char_u *arg_start, garray_T *gap, int import_sid, void *cctx)
     if (ret == FAIL || tv.vval.v_string == NULL || *tv.vval.v_string == NUL)
     {
 	emsg(_("E1071: Invalid string after \"from\""));
-	return NULL;
+	goto erret;
     }
     cmd_end = arg;
 
-    // find script tv.vval.v_string
+    /*
+     * find script file
+     */
     if (*tv.vval.v_string == '.')
     {
 	size_t		len;
@@ -326,7 +372,7 @@ handle_import(char_u *arg_start, garray_T *gap, int import_sid, void *cctx)
 	if (from_name == NULL)
 	{
 	    clear_tv(&tv);
-	    return NULL;
+	    goto erret;
 	}
 	vim_strncpy(from_name, si->sn_name, tail - si->sn_name);
 	add_pathsep(from_name);
@@ -351,7 +397,7 @@ handle_import(char_u *arg_start, garray_T *gap, int import_sid, void *cctx)
 	if (from_name == NULL)
 	{
 	    clear_tv(&tv);
-	    return NULL;
+	    goto erret;
 	}
 	vim_snprintf((char *)from_name, len, "import/%s", tv.vval.v_string);
 	res = source_in_path(p_rtp, from_name, DIP_NOAFTER, &sid);
@@ -362,7 +408,7 @@ handle_import(char_u *arg_start, garray_T *gap, int import_sid, void *cctx)
     {
 	semsg(_("E1053: Could not import \"%s\""), tv.vval.v_string);
 	clear_tv(&tv);
-	return NULL;
+	goto erret;
     }
     clear_tv(&tv);
 
@@ -372,41 +418,44 @@ handle_import(char_u *arg_start, garray_T *gap, int import_sid, void *cctx)
 					: &SCRIPT_ITEM(import_sid)->sn_imports);
 
 	if (imported == NULL)
-	    return NULL;
-	imported->imp_name = vim_strnsave(as_ptr, as_len);
+	    goto erret;
+	imported->imp_name = as_name;
+	as_name = NULL;
 	imported->imp_sid = sid;
 	imported->imp_all = TRUE;
     }
     else
     {
+	int i;
+
 	arg = arg_start;
 	if (*arg == '{')
 	    arg = skipwhite(arg + 1);
-	for (;;)
+	for (i = 0; i < names.ga_len; ++i)
 	{
-	    char_u	*name = arg;
-	    int		name_len;
+	    char_u	*name = ((char_u **)names.ga_data)[i];
 	    int		idx;
 	    imported_T	*imported;
 	    ufunc_T	*ufunc = NULL;
 	    type_T	*type;
 
-	    idx = find_exported(sid, &arg, &name_len, &ufunc, &type);
+	    idx = find_exported(sid, name, &ufunc, &type);
 
 	    if (idx < 0 && ufunc == NULL)
-		return NULL;
+		goto erret;
 
-	    if (check_defined(name, name_len, cctx) == FAIL)
-		return NULL;
+	    if (check_defined(name, STRLEN(name), cctx) == FAIL)
+		goto erret;
 
 	    imported = new_imported(gap != NULL ? gap
 				       : &SCRIPT_ITEM(import_sid)->sn_imports);
 	    if (imported == NULL)
-		return NULL;
+		goto erret;
 
 	    // TODO: check for "as" following
-	    // imported->imp_name = vim_strnsave(as_ptr, as_len);
-	    imported->imp_name = vim_strnsave(name, name_len);
+	    // imported->imp_name = vim_strsave(as_name);
+	    imported->imp_name = name;
+	    ((char_u **)names.ga_data)[i] = NULL;
 	    imported->imp_sid = sid;
 	    if (idx >= 0)
 	    {
@@ -415,30 +464,11 @@ handle_import(char_u *arg_start, garray_T *gap, int import_sid, void *cctx)
 	    }
 	    else
 		imported->imp_funcname = ufunc->uf_name;
-
-	    arg = skipwhite(arg);
-	    if (*arg_start != '{')
-		break;
-	    if (*arg == '}')
-	    {
-		arg = skipwhite(arg + 1);
-		break;
-	    }
-
-	    if (*arg != ',')
-	    {
-		emsg(_("E1046: Missing comma in import"));
-		return NULL;
-	    }
-	    arg = skipwhite(arg + 1);
-	}
-	if (arg != from_ptr)
-	{
-	    // cannot happen, just in case the above has a flaw
-	    emsg(_("E1047: syntax error in import"));
-	    return NULL;
 	}
     }
+erret:
+    ga_clear_strings(&names);
+    vim_free(as_name);
     return cmd_end;
 }