Adding upstream version 2:9.0.1378.upstream/2%9.0.1378upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 3049 insertions, 0 deletions

diff --git a/src/testdir/test_vim9_disassemble.vim b/src/testdir/test_vim9_disassemble.vim
new file mode 100644
index 0000000..6f68798
--- /dev/null
+++ b/src/testdir/test_vim9_disassemble.vim
@@ -0,0 +1,3049 @@
+" Test the :disassemble command, and compilation as a side effect
+
+source check.vim
+import './vim9.vim' as v9
+
+func s:NotCompiled()
+  echo "not"
+endfunc
+
+let s:scriptvar = 4
+let g:globalvar = 'g'
+let b:buffervar = 'b'
+let w:windowvar = 'w'
+let t:tabpagevar = 't'
+
+def s:ScriptFuncLoad(arg: string)
+  var local = 1
+  buffers
+  echo
+  echo arg
+  echo local
+  echo &lines
+  echo v:version
+  echo s:scriptvar
+  echo g:globalvar
+  echo get(g:, "global")
+  echo g:auto#var
+  echo b:buffervar
+  echo get(b:, "buffer")
+  echo w:windowvar
+  echo get(w:, "window")
+  echo t:tabpagevar
+  echo get(t:, "tab")
+  echo &tabstop
+  echo $ENVVAR
+  echo @z
+enddef
+
+def Test_disassemble_load()
+  assert_fails('disass NoFunc', 'E1061:')
+  assert_fails('disass NotCompiled', 'E1091:')
+  assert_fails('disass', 'E471:')
+  assert_fails('disass [', 'E475:')
+  assert_fails('disass 234', 'E129:')
+  assert_fails('disass <XX>foo', 'E129:')
+  assert_fails('disass Test_disassemble_load burp', 'E488:')
+  assert_fails('disass debug debug Test_disassemble_load', 'E488:')
+  assert_fails('disass profile profile Test_disassemble_load', 'E488:')
+
+  var res = execute('disass s:ScriptFuncLoad')
+  assert_match('<SNR>\d*_ScriptFuncLoad.*' ..
+        'buffers\_s*' ..
+        '\d\+ EXEC \+buffers\_s*' ..
+        'echo\_s*' ..
+        'echo arg\_s*' ..
+        '\d\+ LOAD arg\[-1\]\_s*' ..
+        '\d\+ ECHO 1\_s*' ..
+        'echo local\_s*' ..
+        '\d\+ LOAD $0\_s*' ..
+        '\d\+ ECHO 1\_s*' ..
+        'echo &lines\_s*' ..
+        '\d\+ LOADOPT &lines\_s*' ..
+        '\d\+ ECHO 1\_s*' ..
+        'echo v:version\_s*' ..
+        '\d\+ LOADV v:version\_s*' ..
+        '\d\+ ECHO 1\_s*' ..
+        'echo s:scriptvar\_s*' ..
+        '\d\+ LOADS s:scriptvar from .*test_vim9_disassemble.vim\_s*' ..
+        '\d\+ ECHO 1\_s*' ..
+        'echo g:globalvar\_s*' ..
+        '\d\+ LOADG g:globalvar\_s*' ..
+        '\d\+ ECHO 1\_s*' ..
+        'echo get(g:, "global")\_s*' ..
+        '\d\+ LOAD g:\_s*' ..
+        '\d\+ PUSHS "global"\_s*' ..
+        '\d\+ BCALL get(argc 2)\_s*' ..
+        '\d\+ ECHO 1\_s*' ..
+        'echo g:auto#var\_s*' ..
+        '\d\+ LOADAUTO g:auto#var\_s*' ..
+        '\d\+ ECHO 1\_s*' ..
+        'echo b:buffervar\_s*' ..
+        '\d\+ LOADB b:buffervar\_s*' ..
+        '\d\+ ECHO 1\_s*' ..
+        'echo get(b:, "buffer")\_s*' ..
+        '\d\+ LOAD b:\_s*' ..
+        '\d\+ PUSHS "buffer"\_s*' ..
+        '\d\+ BCALL get(argc 2).*' ..
+        ' LOADW w:windowvar.*' ..
+        'echo get(w:, "window")\_s*' ..
+        '\d\+ LOAD w:\_s*' ..
+        '\d\+ PUSHS "window"\_s*' ..
+        '\d\+ BCALL get(argc 2).*' ..
+        ' LOADT t:tabpagevar.*' ..
+        'echo get(t:, "tab")\_s*' ..
+        '\d\+ LOAD t:\_s*' ..
+        '\d\+ PUSHS "tab"\_s*' ..
+        '\d\+ BCALL get(argc 2).*' ..
+        ' LOADENV $ENVVAR.*' ..
+        ' LOADREG @z.*',
+        res)
+enddef
+
+def s:EditExpand()
+  var filename = "file"
+  var filenr = 123
+  edit the`=filename``=filenr`.txt
+enddef
+
+def Test_disassemble_exec_expr()
+  var res = execute('disass s:EditExpand')
+  assert_match('<SNR>\d*_EditExpand\_s*' ..
+        ' var filename = "file"\_s*' ..
+        '\d PUSHS "file"\_s*' ..
+        '\d STORE $0\_s*' ..
+        ' var filenr = 123\_s*' ..
+        '\d STORE 123 in $1\_s*' ..
+        ' edit the`=filename``=filenr`.txt\_s*' ..
+        '\d PUSHS "edit the"\_s*' ..
+        '\d LOAD $0\_s*' ..
+        '\d LOAD $1\_s*' ..
+        '\d 2STRING stack\[-1\]\_s*' ..
+        '\d\+ PUSHS ".txt"\_s*' ..
+        '\d\+ EXECCONCAT 4\_s*' ..
+        '\d\+ RETURN void',
+        res)
+enddef
+
+if has('python3')
+  def s:PyHeredoc()
+    python3 << EOF
+      print('hello')
+EOF
+  enddef
+
+  def Test_disassemble_python_heredoc()
+    var res = execute('disass s:PyHeredoc')
+    assert_match('<SNR>\d*_PyHeredoc.*' ..
+          "    python3 << EOF^@      print('hello')^@EOF\\_s*" ..
+          '\d EXEC_SPLIT     python3 << EOF^@      print(''hello'')^@EOF\_s*' ..
+          '\d RETURN void',
+          res)
+  enddef
+endif
+
+def s:Substitute()
+  var expr = "abc"
+  :%s/a/\=expr/&g#c
+enddef
+
+def Test_disassemble_substitute()
+  var res = execute('disass s:Substitute')
+  assert_match('<SNR>\d*_Substitute.*' ..
+        ' var expr = "abc"\_s*' ..
+        '\d PUSHS "abc"\_s*' ..
+        '\d STORE $0\_s*' ..
+        ' :%s/a/\\=expr/&g#c\_s*' ..
+        '\d SUBSTITUTE   :%s/a/\\=expr/&g#c\_s*' ..
+        '    0 LOAD $0\_s*' ..
+        '    -------------\_s*' ..
+        '\d RETURN void',
+        res)
+enddef
+
+
+def s:SearchPair()
+  var col = 8
+  searchpair("{", "", "}", "", "col('.') > col")
+enddef
+
+def Test_disassemble_seachpair()
+  var res = execute('disass s:SearchPair')
+  assert_match('<SNR>\d*_SearchPair.*' ..
+        ' var col = 8\_s*' ..
+        '\d STORE 8 in $0\_s*' ..
+        ' searchpair("{", "", "}", "", "col(''.'') > col")\_s*' ..
+        '\d PUSHS "{"\_s*' ..
+        '\d PUSHS ""\_s*' ..
+        '\d PUSHS "}"\_s*' ..
+        '\d PUSHS ""\_s*' ..
+        '\d INSTR\_s*' ..
+        '  0 PUSHS "."\_s*' ..
+        '  1 BCALL col(argc 1)\_s*' ..
+        '  2 LOAD $0\_s*' ..
+        '  3 COMPARENR >\_s*' ..
+        ' -------------\_s*' ..
+        '\d BCALL searchpair(argc 5)\_s*' ..
+        '\d DROP\_s*' ..
+        '\d RETURN void',
+        res)
+enddef
+
+
+def s:SubstituteExpr()
+    substitute('a', 'b', '\=123', 'g')
+enddef
+
+def Test_disassemble_substitute_expr()
+  var res = execute('disass s:SubstituteExpr')
+  assert_match('<SNR>\d*_SubstituteExpr.*' ..
+        'substitute(''a'', ''b'', ''\\=123'', ''g'')\_s*' ..
+        '\d PUSHS "a"\_s*' ..
+        '\d PUSHS "b"\_s*' ..
+        '\d INSTR\_s*' ..
+        '  0 PUSHNR 123\_s*' ..
+        ' -------------\_s*' ..
+        '\d PUSHS "g"\_s*' ..
+        '\d BCALL substitute(argc 4)\_s*' ..
+        '\d DROP\_s*' ..
+        '\d RETURN void',
+        res)
+enddef
+
+def s:RedirVar()
+  var result: string
+  redir =>> result
+    echo "text"
+  redir END
+enddef
+
+def Test_disassemble_redir_var()
+  var res = execute('disass s:RedirVar')
+  assert_match('<SNR>\d*_RedirVar.*' ..
+        ' var result: string\_s*' ..
+        '\d PUSHS "\[NULL\]"\_s*' ..
+        '\d STORE $0\_s*' ..
+        ' redir =>> result\_s*' ..
+        '\d REDIR\_s*' ..
+        ' echo "text"\_s*' ..
+        '\d PUSHS "text"\_s*' ..
+        '\d ECHO 1\_s*' ..
+        ' redir END\_s*' ..
+        '\d LOAD $0\_s*' ..
+        '\d REDIR END\_s*' ..
+        '\d CONCAT size 2\_s*' ..
+        '\d STORE $0\_s*' ..
+        '\d RETURN void',
+        res)
+enddef
+
+def s:Cexpr()
+  var errors = "list of errors"
+  cexpr errors
+enddef
+
+def Test_disassemble_cexpr()
+  var res = execute('disass s:Cexpr')
+  assert_match('<SNR>\d*_Cexpr.*' ..
+        ' var errors = "list of errors"\_s*' ..
+        '\d PUSHS "list of errors"\_s*' ..
+        '\d STORE $0\_s*' ..
+        ' cexpr errors\_s*' ..
+        '\d CEXPR pre cexpr\_s*' ..
+        '\d LOAD $0\_s*' ..
+        '\d CEXPR core cexpr "cexpr errors"\_s*' ..
+        '\d RETURN void',
+        res)
+enddef
+
+def s:YankRange()
+  norm! m[jjm]
+  :'[,']yank
+enddef
+
+def Test_disassemble_yank_range()
+  var res = execute('disass s:YankRange')
+  assert_match('<SNR>\d*_YankRange.*' ..
+        ' norm! m\[jjm\]\_s*' ..
+        '\d EXEC   norm! m\[jjm\]\_s*' ..
+        '  :''\[,''\]yank\_s*' ..
+        '\d EXEC   :''\[,''\]yank\_s*' ..
+        '\d RETURN void',
+        res)
+enddef
+
+def s:PutExpr()
+  :3put ="text"
+enddef
+
+def Test_disassemble_put_expr()
+  var res = execute('disass s:PutExpr')
+  assert_match('<SNR>\d*_PutExpr.*' ..
+        ' :3put ="text"\_s*' ..
+        '\d PUSHS "text"\_s*' ..
+        '\d PUT = 3\_s*' ..
+        '\d RETURN void',
+        res)
+enddef
+
+def s:PutRange()
+  :$-2put a
+  :$-3put! b
+enddef
+
+def Test_disassemble_put_range()
+  var res = execute('disass s:PutRange')
+  assert_match('<SNR>\d*_PutRange.*' ..
+        ' :$-2put a\_s*' ..
+        '\d RANGE $-2\_s*' ..
+        '\d PUT a range\_s*' ..
+
+        ' :$-3put! b\_s*' ..
+        '\d RANGE $-3\_s*' ..
+        '\d PUT b above range\_s*' ..
+        '\d RETURN void',
+        res)
+enddef
+
+def s:ScriptFuncPush()
+  var localbool = true
+  var localspec = v:none
+  var localblob = 0z1234
+  var localfloat = 1.234
+enddef
+
+def Test_disassemble_push()
+  mkdir('Xdisdir/autoload', 'pR')
+  var save_rtp = &rtp
+  exe 'set rtp^=' .. getcwd() .. '/Xdisdir'
+
+  var lines =<< trim END
+      vim9script
+  END
+  writefile(lines, 'Xdisdir/autoload/autoscript.vim')
+
+  lines =<< trim END
+      vim9script
+      import autoload 'autoscript.vim'
+
+      def AutoloadFunc()
+        &operatorfunc = autoscript.Opfunc
+      enddef
+
+      var res = execute('disass AutoloadFunc')
+      assert_match('<SNR>\d*_AutoloadFunc.*' ..
+            '&operatorfunc = autoscript.Opfunc\_s*' ..
+            '0 AUTOLOAD autoscript#Opfunc\_s*' ..
+            '1 STOREFUNCOPT &operatorfunc\_s*' ..
+            '2 RETURN void',
+            res)
+  END
+  v9.CheckScriptSuccess(lines)
+
+  &rtp = save_rtp
+enddef
+
+def Test_disassemble_import_autoload()
+  writefile(['vim9script'], 'XimportAL.vim', 'D')
+
+  var lines =<< trim END
+      vim9script
+      import autoload './XimportAL.vim'
+
+      def AutoloadFunc()
+        echo XimportAL.SomeFunc()
+        echo XimportAL.someVar
+        XimportAL.someVar = "yes"
+      enddef
+
+      var res = execute('disass AutoloadFunc')
+      assert_match('<SNR>\d*_AutoloadFunc.*' ..
+            'echo XimportAL.SomeFunc()\_s*' ..
+            '\d SOURCE .*/testdir/XimportAL.vim\_s*' ..
+            '\d PUSHFUNC "<80><fd>R\d\+_SomeFunc"\_s*' ..
+            '\d PCALL top (argc 0)\_s*' ..
+            '\d PCALL end\_s*' ..
+            '\d ECHO 1\_s*' ..
+
+            'echo XimportAL.someVar\_s*' ..
+            '\d SOURCE .*/testdir/XimportAL.vim\_s*' ..
+            '\d LOADEXPORT s:someVar from .*/testdir/XimportAL.vim\_s*' ..
+            '\d ECHO 1\_s*' ..
+
+            'XimportAL.someVar = "yes"\_s*' ..
+            '\d\+ PUSHS "yes"\_s*' ..
+            '\d\+ SOURCE .*/testdir/XimportAL.vim\_s*' ..
+            '\d\+ STOREEXPORT someVar in .*/testdir/XimportAL.vim\_s*' ..
+
+            '\d\+ RETURN void',
+            res)
+  END
+  v9.CheckScriptSuccess(lines)
+enddef
+
+def s:ScriptFuncStore()
+  var localnr = 1
+  localnr = 2
+  var localstr = 'abc'
+  localstr = 'xyz'
+  v:char = 'abc'
+  s:scriptvar = 'sv'
+  g:globalvar = 'gv'
+  g:auto#var = 'av'
+  b:buffervar = 'bv'
+  w:windowvar = 'wv'
+  t:tabpagevar = 'tv'
+  &tabstop = 8
+  &opfunc = (t) => len(t)
+  $ENVVAR = 'ev'
+  @z = 'rv'
+enddef
+
+def Test_disassemble_store()
+  var res = execute('disass s:ScriptFuncStore')
+  assert_match('<SNR>\d*_ScriptFuncStore.*' ..
+        'var localnr = 1.*' ..
+        'localnr = 2.*' ..
+        ' STORE 2 in $0.*' ..
+        'var localstr = ''abc''.*' ..
+        'localstr = ''xyz''.*' ..
+        ' STORE $1.*' ..
+        'v:char = ''abc''.*' ..
+        'STOREV v:char.*' ..
+        's:scriptvar = ''sv''.*' ..
+        ' STORES s:scriptvar in .*test_vim9_disassemble.vim.*' ..
+        'g:globalvar = ''gv''.*' ..
+        ' STOREG g:globalvar.*' ..
+        'g:auto#var = ''av''.*' ..
+        ' STOREAUTO g:auto#var.*' ..
+        'b:buffervar = ''bv''.*' ..
+        ' STOREB b:buffervar.*' ..
+        'w:windowvar = ''wv''.*' ..
+        ' STOREW w:windowvar.*' ..
+        't:tabpagevar = ''tv''.*' ..
+        ' STORET t:tabpagevar.*' ..
+        '&tabstop = 8\_s*' ..
+        '\d\+ PUSHNR 8\_s*' ..
+        '\d\+ STOREOPT &tabstop\_s*' ..
+        '&opfunc = (t) => len(t)\_s*' ..
+        '\d\+ FUNCREF <lambda>\d\+\_s*' ..
+        '\d\+ STOREFUNCOPT &opfunc\_s*' ..
+        '$ENVVAR = ''ev''\_s*' ..
+        '\d\+ PUSHS "ev"\_s*' ..
+        '\d\+ STOREENV $ENVVAR\_s*' ..
+        '@z = ''rv''.*' ..
+        '\d\+ STOREREG @z.*',
+        res)
+enddef
+
+def s:ScriptFuncStoreMember()
+  var locallist: list<number> = []
+  locallist[0] = 123
+  var localdict: dict<number> = {}
+  localdict["a"] = 456
+  var localblob: blob = 0z1122
+  localblob[1] = 33
+enddef
+
+def Test_disassemble_store_member()
+  var res = execute('disass s:ScriptFuncStoreMember')
+  assert_match('<SNR>\d*_ScriptFuncStoreMember\_s*' ..
+        'var locallist: list<number> = []\_s*' ..
+        '\d NEWLIST size 0\_s*' ..
+        '\d SETTYPE list<number>\_s*' ..
+        '\d STORE $0\_s*' ..
+        'locallist\[0\] = 123\_s*' ..
+        '\d PUSHNR 123\_s*' ..
+        '\d PUSHNR 0\_s*' ..
+        '\d LOAD $0\_s*' ..
+        '\d STOREINDEX list\_s*' ..
+        'var localdict: dict<number> = {}\_s*' ..
+        '\d NEWDICT size 0\_s*' ..
+        '\d SETTYPE dict<number>\_s*' ..
+        '\d STORE $1\_s*' ..
+        'localdict\["a"\] = 456\_s*' ..
+        '\d\+ PUSHNR 456\_s*' ..
+        '\d\+ PUSHS "a"\_s*' ..
+        '\d\+ LOAD $1\_s*' ..
+        '\d\+ STOREINDEX dict\_s*' ..
+        'var localblob: blob = 0z1122\_s*' ..
+        '\d\+ PUSHBLOB 0z1122\_s*' ..
+        '\d\+ STORE $2\_s*' ..
+        'localblob\[1\] = 33\_s*' ..
+        '\d\+ PUSHNR 33\_s*' ..
+        '\d\+ PUSHNR 1\_s*' ..
+        '\d\+ LOAD $2\_s*' ..
+        '\d\+ STOREINDEX blob\_s*' ..
+        '\d\+ RETURN void',
+        res)
+enddef
+
+if has('job')
+  def s:StoreNull()
+    var ss = null_string
+    var bb = null_blob
+    var dd = null_dict
+    var ll = null_list
+    var Ff = null_function
+    var Pp = null_partial
+    var jj = null_job
+    var cc = null_channel
+  enddef
+
+  def Test_disassemble_assign_null()
+    var res = execute('disass s:StoreNull')
+    assert_match('<SNR>\d*_StoreNull\_s*' ..
+          'var ss = null_string\_s*' ..
+          '\d\+ PUSHS "\[NULL\]"\_s*' ..
+          '\d\+ STORE $\d\_s*' ..
+
+          'var bb = null_blob\_s*' ..
+          '\d\+ PUSHBLOB 0z\_s*' ..
+          '\d\+ STORE $\d\_s*' ..
+
+          'var dd = null_dict\_s*' ..
+          '\d\+ NEWDICT size -1\_s*' ..
+          '\d\+ STORE $\d\_s*' ..
+
+          'var ll = null_list\_s*' ..
+          '\d\+ NEWLIST size -1\_s*' ..
+          '\d\+ STORE $\d\_s*' ..
+
+          'var Ff = null_function\_s*' ..
+          '\d\+ PUSHFUNC "\[none\]"\_s*' ..
+          '\d\+ STORE $\d\_s*' ..
+
+          'var Pp = null_partial\_s*' ..
+          '\d\+ NEWPARTIAL\_s*' ..
+          '\d\+ STORE $\d\_s*' ..
+
+          'var jj = null_job\_s*' ..
+          '\d\+ PUSHJOB "no process"\_s*' ..
+          '\d\+ STORE $\d\_s*' ..
+
+          'var cc = null_channel\_s*' ..
+          '\d\+ PUSHCHANNEL 0\_s*' ..
+          '\d\+ STORE $\d\_s*' ..
+
+          '\d\+ RETURN void',
+          res)
+  enddef
+endif
+
+def s:ScriptFuncStoreIndex()
+  var d = {dd: {}}
+  d.dd[0] = 0
+enddef
+
+def Test_disassemble_store_index()
+  var res = execute('disass s:ScriptFuncStoreIndex')
+  assert_match('<SNR>\d*_ScriptFuncStoreIndex\_s*' ..
+        'var d = {dd: {}}\_s*' ..
+        '\d PUSHS "dd"\_s*' ..
+        '\d NEWDICT size 0\_s*' ..
+        '\d NEWDICT size 1\_s*' ..
+        '\d SETTYPE dict<dict<unknown>>\_s*' ..
+        '\d STORE $0\_s*' ..
+        'd.dd\[0\] = 0\_s*' ..
+        '\d PUSHNR 0\_s*' ..
+        '\d PUSHNR 0\_s*' ..
+        '\d LOAD $0\_s*' ..
+        '\d MEMBER dd\_s*' ..
+        '\d\+ USEDICT\_s*' ..
+        '\d\+ STOREINDEX any\_s*' ..
+        '\d\+ RETURN void',
+        res)
+enddef
+
+def s:ListAssign()
+  var x: string
+  var y: string
+  var l: list<any>
+  [x, y; l] = g:stringlist
+enddef
+
+def Test_disassemble_list_assign()
+  var res = execute('disass s:ListAssign')
+  assert_match('<SNR>\d*_ListAssign\_s*' ..
+        'var x: string\_s*' ..
+        '\d PUSHS "\[NULL\]"\_s*' ..
+        '\d STORE $0\_s*' ..
+        'var y: string\_s*' ..
+        '\d PUSHS "\[NULL\]"\_s*' ..
+        '\d STORE $1\_s*' ..
+        'var l: list<any>\_s*' ..
+        '\d NEWLIST size 0\_s*' ..
+        '\d STORE $2\_s*' ..
+        '\[x, y; l\] = g:stringlist\_s*' ..
+        '\d LOADG g:stringlist\_s*' ..
+        '\d CHECKTYPE list<any> stack\[-1\]\_s*' ..
+        '\d CHECKLEN >= 2\_s*' ..
+        '\d\+ ITEM 0\_s*' ..
+        '\d\+ CHECKTYPE string stack\[-1\] var 1\_s*' ..
+        '\d\+ STORE $0\_s*' ..
+        '\d\+ ITEM 1\_s*' ..
+        '\d\+ CHECKTYPE string stack\[-1\] var 2\_s*' ..
+        '\d\+ STORE $1\_s*' ..
+        '\d\+ SLICE 2\_s*' ..
+        '\d\+ STORE $2\_s*' ..
+        '\d\+ RETURN void',
+        res)
+enddef
+
+def s:ListAssignWithOp()
+  var a = 2
+  var b = 3
+  [a, b] += [4, 5]
+enddef
+
+def Test_disassemble_list_assign_with_op()
+  var res = execute('disass s:ListAssignWithOp')
+  assert_match('<SNR>\d*_ListAssignWithOp\_s*' ..
+        'var a = 2\_s*' ..
+        '\d STORE 2 in $0\_s*' ..
+        'var b = 3\_s*' ..
+        '\d STORE 3 in $1\_s*' ..
+        '\[a, b\] += \[4, 5\]\_s*' ..
+        '\d\+ PUSHNR 4\_s*' ..
+        '\d\+ PUSHNR 5\_s*' ..
+        '\d\+ NEWLIST size 2\_s*' ..
+        '\d\+ LOAD $0\_s*' ..
+        '\d\+ ITEM 0 with op\_s*' ..
+        '\d\+ OPNR +\_s*' ..
+        '\d\+ STORE $0\_s*' ..
+        '\d\+ LOAD $1\_s*' ..
+        '\d\+ ITEM 1 with op\_s*' ..
+        '\d\+ OPNR +\_s*' ..
+        '\d\+ STORE $1\_s*' ..
+        '\d\+ DROP\_s*' ..
+        '\d\+ RETURN void',
+        res)
+enddef
+
+def s:ListAdd()
+  var l: list<number> = []
+  add(l, 123)
+  add(l, g:aNumber)
+enddef
+
+def Test_disassemble_list_add()
+  var res = execute('disass s:ListAdd')
+  assert_match('<SNR>\d*_ListAdd\_s*' ..
+        'var l: list<number> = []\_s*' ..
+        '\d NEWLIST size 0\_s*' ..
+        '\d SETTYPE list<number>\_s*' ..
+        '\d STORE $0\_s*' ..
+        'add(l, 123)\_s*' ..
+        '\d LOAD $0\_s*' ..
+        '\d PUSHNR 123\_s*' ..
+        '\d LISTAPPEND\_s*' ..
+        '\d DROP\_s*' ..
+        'add(l, g:aNumber)\_s*' ..
+        '\d LOAD $0\_s*' ..
+        '\d\+ LOADG g:aNumber\_s*' ..
+        '\d\+ CHECKTYPE number stack\[-1\]\_s*' ..
+        '\d\+ LISTAPPEND\_s*' ..
+        '\d\+ DROP\_s*' ..
+        '\d\+ RETURN void',
+        res)
+enddef
+
+def s:BlobAdd()
+  var b: blob = 0z
+  add(b, 123)
+  add(b, g:aNumber)
+enddef
+
+def Test_disassemble_blob_add()
+  var res = execute('disass s:BlobAdd')
+  assert_match('<SNR>\d*_BlobAdd\_s*' ..
+        'var b: blob = 0z\_s*' ..
+        '\d PUSHBLOB 0z\_s*' ..
+        '\d STORE $0\_s*' ..
+        'add(b, 123)\_s*' ..
+        '\d LOAD $0\_s*' ..
+        '\d PUSHNR 123\_s*' ..
+        '\d BLOBAPPEND\_s*' ..
+        '\d DROP\_s*' ..
+        'add(b, g:aNumber)\_s*' ..
+        '\d LOAD $0\_s*' ..
+        '\d\+ LOADG g:aNumber\_s*' ..
+        '\d\+ CHECKTYPE number stack\[-1\]\_s*' ..
+        '\d\+ BLOBAPPEND\_s*' ..
+        '\d\+ DROP\_s*' ..
+        '\d\+ RETURN void',
+        res)
+enddef
+
+def s:BlobIndexSlice()
+  var b: blob = 0z112233
+  echo b[1]
+  echo b[1 : 2]
+enddef
+
+def Test_disassemble_blob_index_slice()
+  var res = execute('disass s:BlobIndexSlice')
+  assert_match('<SNR>\d*_BlobIndexSlice\_s*' ..
+        'var b: blob = 0z112233\_s*' ..
+        '\d PUSHBLOB 0z112233\_s*' ..
+        '\d STORE $0\_s*' ..
+        'echo b\[1\]\_s*' ..
+        '\d LOAD $0\_s*' ..
+        '\d PUSHNR 1\_s*' ..
+        '\d BLOBINDEX\_s*' ..
+        '\d ECHO 1\_s*' ..
+        'echo b\[1 : 2\]\_s*' ..
+        '\d LOAD $0\_s*' ..
+        '\d PUSHNR 1\_s*' ..
+        '\d\+ PUSHNR 2\_s*' ..
+        '\d\+ BLOBSLICE\_s*' ..
+        '\d\+ ECHO 1\_s*' ..
+        '\d\+ RETURN void',
+        res)
+enddef
+
+def s:ScriptFuncUnlet()
+  g:somevar = "value"
+  unlet g:somevar
+  unlet! g:somevar
+  unlet $SOMEVAR
+
+  var l = [1, 2, 3]
+  unlet l[2]
+  unlet l[0 : 1]
+enddef
+
+def Test_disassemble_unlet()
+  var res = execute('disass s:ScriptFuncUnlet')
+  assert_match('<SNR>\d*_ScriptFuncUnlet\_s*' ..
+        'g:somevar = "value"\_s*' ..
+        '\d PUSHS "value"\_s*' ..
+        '\d STOREG g:somevar\_s*' ..
+        'unlet g:somevar\_s*' ..
+        '\d UNLET g:somevar\_s*' ..
+        'unlet! g:somevar\_s*' ..
+        '\d UNLET! g:somevar\_s*' ..
+        'unlet $SOMEVAR\_s*' ..
+        '\d UNLETENV $SOMEVAR\_s*' ..
+
+        'var l = \[1, 2, 3]\_s*' ..
+        '\d\+ PUSHNR 1\_s*' ..
+        '\d\+ PUSHNR 2\_s*' ..
+        '\d\+ PUSHNR 3\_s*' ..
+        '\d\+ NEWLIST size 3\_s*' ..
+        '\d\+ SETTYPE list<number>\_s*' ..
+        '\d\+ STORE $0\_s*' ..
+
+        'unlet l\[2]\_s*' ..
+        '\d\+ PUSHNR 2\_s*' ..
+        '\d\+ LOAD $0\_s*' ..
+        '\d\+ UNLETINDEX\_s*' ..
+
+        'unlet l\[0 : 1]\_s*' ..
+        '\d\+ PUSHNR 0\_s*' ..
+        '\d\+ PUSHNR 1\_s*' ..
+        '\d\+ LOAD $0\_s*' ..
+        '\d\+ UNLETRANGE\_s*',
+        res)
+enddef
+
+def s:LockLocal()
+  var d = {a: 1}
+  lockvar d.a
+  const nr = 22
+enddef
+
+def Test_disassemble_lock_local()
+  var res = execute('disass s:LockLocal')
+  assert_match('<SNR>\d*_LockLocal\_s*' ..
+        'var d = {a: 1}\_s*' ..
+        '\d PUSHS "a"\_s*' ..
+        '\d PUSHNR 1\_s*' ..
+        '\d NEWDICT size 1\_s*' ..
+        '\d SETTYPE dict<number>\_s*' ..
+        '\d STORE $0\_s*' ..
+        'lockvar d.a\_s*' ..
+        '\d LOAD $0\_s*' ..
+        '\d LOCKUNLOCK lockvar 2 d.a\_s*' ..
+
+        'const nr = 22\_s*' ..
+        '\d\+ PUSHNR 22\_s*' ..
+        '\d\+ LOCKCONST\_s*' ..
+        '\d\+ STORE $1',
+        res)
+enddef
+
+def s:ScriptFuncTry()
+  try
+    echo "yes"
+  catch /fail/
+    echo "no"
+  finally
+    throw "end"
+  endtry
+enddef
+
+def Test_disassemble_try()
+  var res = execute('disass s:ScriptFuncTry')
+  assert_match('<SNR>\d*_ScriptFuncTry\_s*' ..
+        'try\_s*' ..
+        '\d TRY catch -> \d\+, finally -> \d\+, endtry -> \d\+\_s*' ..
+        'echo "yes"\_s*' ..
+        '\d PUSHS "yes"\_s*' ..
+        '\d ECHO 1\_s*' ..
+        'catch /fail/\_s*' ..
+        '\d JUMP -> \d\+\_s*' ..
+        '\d PUSH v:exception\_s*' ..
+        '\d PUSHS "fail"\_s*' ..
+        '\d COMPARESTRING =\~\_s*' ..
+        '\d JUMP_IF_FALSE -> \d\+\_s*' ..
+        '\d CATCH\_s*' ..
+        'echo "no"\_s*' ..
+        '\d\+ PUSHS "no"\_s*' ..
+        '\d\+ ECHO 1\_s*' ..
+        'finally\_s*' ..
+        '\d\+ FINALLY\_s*' ..
+        'throw "end"\_s*' ..
+        '\d\+ PUSHS "end"\_s*' ..
+        '\d\+ THROW\_s*' ..
+        'endtry\_s*' ..
+        '\d\+ ENDTRY',
+        res)
+enddef
+
+def s:ScriptFuncNew()
+  var ll = [1, "two", 333]
+  var dd = {one: 1, two: "val"}
+enddef
+
+def Test_disassemble_new()
+  var res = execute('disass s:ScriptFuncNew')
+  assert_match('<SNR>\d*_ScriptFuncNew\_s*' ..
+        'var ll = \[1, "two", 333\]\_s*' ..
+        '\d PUSHNR 1\_s*' ..
+        '\d PUSHS "two"\_s*' ..
+        '\d PUSHNR 333\_s*' ..
+        '\d NEWLIST size 3\_s*' ..
+        '\d STORE $0\_s*' ..
+        'var dd = {one: 1, two: "val"}\_s*' ..
+        '\d PUSHS "one"\_s*' ..
+        '\d PUSHNR 1\_s*' ..
+        '\d PUSHS "two"\_s*' ..
+        '\d PUSHS "val"\_s*' ..
+        '\d NEWDICT size 2\_s*',
+        res)
+enddef
+
+def s:FuncWithArg(arg: any)
+  echo arg
+enddef
+
+func s:UserFunc()
+  echo 'nothing'
+endfunc
+
+func s:UserFuncWithArg(arg)
+  echo a:arg
+endfunc
+
+def s:ScriptFuncCall(): string
+  changenr()
+  char2nr("abc")
+  g:Test_disassemble_new()
+  FuncWithArg(343)
+  ScriptFuncNew()
+  s:ScriptFuncNew()
+  UserFunc()
+  UserFuncWithArg("foo")
+  var FuncRef = function("UserFunc")
+  FuncRef()
+  var FuncRefWithArg = function("UserFuncWithArg")
+  FuncRefWithArg("bar")
+  return "yes"
+enddef
+
+def Test_disassemble_call()
+  var res = execute('disass s:ScriptFuncCall')
+  assert_match('<SNR>\d\+_ScriptFuncCall\_s*' ..
+        'changenr()\_s*' ..
+        '\d BCALL changenr(argc 0)\_s*' ..
+        '\d DROP\_s*' ..
+        'char2nr("abc")\_s*' ..
+        '\d PUSHS "abc"\_s*' ..
+        '\d BCALL char2nr(argc 1)\_s*' ..
+        '\d DROP\_s*' ..
+        'g:Test_disassemble_new()\_s*' ..
+        '\d DCALL Test_disassemble_new(argc 0)\_s*' ..
+        '\d DROP\_s*' ..
+        'FuncWithArg(343)\_s*' ..
+        '\d\+ PUSHNR 343\_s*' ..
+        '\d\+ DCALL <SNR>\d\+_FuncWithArg(argc 1)\_s*' ..
+        '\d\+ DROP\_s*' ..
+        'ScriptFuncNew()\_s*' ..
+        '\d\+ DCALL <SNR>\d\+_ScriptFuncNew(argc 0)\_s*' ..
+        '\d\+ DROP\_s*' ..
+        's:ScriptFuncNew()\_s*' ..
+        '\d\+ DCALL <SNR>\d\+_ScriptFuncNew(argc 0)\_s*' ..
+        '\d\+ DROP\_s*' ..
+        'UserFunc()\_s*' ..
+        '\d\+ UCALL <80><fd>R\d\+_UserFunc(argc 0)\_s*' ..
+        '\d\+ DROP\_s*' ..
+        'UserFuncWithArg("foo")\_s*' ..
+        '\d\+ PUSHS "foo"\_s*' ..
+        '\d\+ UCALL <80><fd>R\d\+_UserFuncWithArg(argc 1)\_s*' ..
+        '\d\+ DROP\_s*' ..
+        'var FuncRef = function("UserFunc")\_s*' ..
+        '\d\+ PUSHS "UserFunc"\_s*' ..
+        '\d\+ BCALL function(argc 1)\_s*' ..
+        '\d\+ STORE $0\_s*' ..
+        'FuncRef()\_s*' ..
+        '\d\+ LOAD $\d\_s*' ..
+        '\d\+ PCALL (argc 0)\_s*' ..
+        '\d\+ DROP\_s*' ..
+        'var FuncRefWithArg = function("UserFuncWithArg")\_s*' ..
+        '\d\+ PUSHS "UserFuncWithArg"\_s*' ..
+        '\d\+ BCALL function(argc 1)\_s*' ..
+        '\d\+ STORE $1\_s*' ..
+        'FuncRefWithArg("bar")\_s*' ..
+        '\d\+ PUSHS "bar"\_s*' ..
+        '\d\+ LOAD $\d\_s*' ..
+        '\d\+ PCALL (argc 1)\_s*' ..
+        '\d\+ DROP\_s*' ..
+        'return "yes"\_s*' ..
+        '\d\+ PUSHS "yes"\_s*' ..
+        '\d\+ RETURN',
+        res)
+enddef
+
+
+def s:CreateRefs()
+  var local = 'a'
+  def Append(arg: string)
+    local ..= arg
+  enddef
+  g:Append = Append
+  def Get(): string
+    return local
+  enddef
+  g:Get = Get
+enddef
+
+def Test_disassemble_closure()
+  CreateRefs()
+  var res = execute('disass g:Append')
+  assert_match('<lambda>\d\_s*' ..
+        'local ..= arg\_s*' ..
+        '\d LOADOUTER level 1 $0\_s*' ..
+        '\d LOAD arg\[-1\]\_s*' ..
+        '\d CONCAT size 2\_s*' ..
+        '\d STOREOUTER level 1 $0\_s*' ..
+        '\d RETURN void',
+        res)
+
+  res = execute('disass g:Get')
+  assert_match('<lambda>\d\_s*' ..
+        'return local\_s*' ..
+        '\d LOADOUTER level 1 $0\_s*' ..
+        '\d RETURN',
+        res)
+
+  unlet g:Append
+  unlet g:Get
+enddef
+
+def s:ClosureArg(arg: string)
+  var Ref = () => arg .. "x"
+enddef
+
+def Test_disassemble_closure_arg()
+  var res = execute('disass s:ClosureArg')
+  assert_match('<SNR>\d\+_ClosureArg\_s*' ..
+        'var Ref = () => arg .. "x"\_s*' ..
+        '\d FUNCREF <lambda>\d\+',
+        res)
+  var lres = execute('disass ' .. matchstr(res, '<lambda>\d\+'))
+  assert_match('<lambda>\d\+\_s*' ..
+        'return arg .. "x"\_s*' ..
+        '\d LOADOUTER level 1 arg\[-1]\_s*' ..
+        '\d PUSHS "x"\_s*' ..
+        '\d CONCAT size 2\_s*' ..
+        '\d RETURN',
+         lres)
+enddef
+
+def s:ClosureInLoop()
+  for i in range(5)
+    var ii = i
+    continue
+    break
+    if g:val
+      return
+    endif
+    g:Ref = () => ii
+    continue
+    break
+    if g:val
+      return
+    endif
+  endfor
+enddef
+
+" Mainly check that ENDLOOP is only produced after a closure was created.
+def Test_disassemble_closure_in_loop()
+  var res = execute('disass s:ClosureInLoop')
+  assert_match('<SNR>\d\+_ClosureInLoop\_s*' ..
+        'for i in range(5)\_s*' ..
+        '\d\+ STORE -1 in $0\_s*' ..
+        '\d\+ PUSHNR 5\_s*' ..
+        '\d\+ BCALL range(argc 1)\_s*' ..
+        '\d\+ FOR $0 -> \d\+\_s*' ..
+        '\d\+ STORE $2\_s*' ..
+
+        'var ii = i\_s*' ..
+        '\d\+ LOAD $2\_s*' ..
+        '\d\+ STORE $3\_s*' ..
+
+        'continue\_s*' ..
+        '\d\+ JUMP -> \d\+\_s*' ..
+
+        'break\_s*' ..
+        '\d\+ JUMP -> \d\+\_s*' ..
+
+        'if g:val\_s*' ..
+        '\d\+ LOADG g:val\_s*' ..
+        '\d\+ COND2BOOL\_s*' ..
+        '\d\+ JUMP_IF_FALSE -> \d\+\_s*' ..
+
+        '  return\_s*' ..
+        '\d\+ PUSHNR 0\_s*' ..
+        '\d\+ RETURN\_s*' ..
+
+        'endif\_s*' ..
+        'g:Ref = () => ii\_s*' ..
+        '\d\+ FUNCREF <lambda>4 vars  $3-$3\_s*' ..
+        '\d\+ STOREG g:Ref\_s*' ..
+
+        'continue\_s*' ..
+        '\d\+ ENDLOOP ref $1 save $3-$3 depth 0\_s*' ..
+        '\d\+ JUMP -> \d\+\_s*' ..
+
+        'break\_s*' ..
+        '\d\+ ENDLOOP ref $1 save $3-$3 depth 0\_s*' ..
+        '\d\+ JUMP -> \d\+\_s*' ..
+
+         'if g:val\_s*' ..
+        '\d\+ LOADG g:val\_s*' ..
+        '\d\+ COND2BOOL\_s*' ..
+        '\d\+ JUMP_IF_FALSE -> \d\+\_s*' ..
+
+        '  return\_s*' ..
+        '\d\+ PUSHNR 0\_s*' ..
+        '\d\+ ENDLOOP ref $1 save $3-$3 depth 0\_s*' ..
+        '\d\+ RETURN\_s*' ..
+
+        'endif\_s*' ..
+        'endfor\_s*' ..
+        '\d\+ ENDLOOP ref $1 save $3-$3 depth 0\_s*' ..
+        '\d\+ JUMP -> \d\+\_s*' ..
+        '\d\+ DROP\_s*' ..
+        '\d\+ RETURN void',
+        res)
+enddef
+
+def EchoArg(arg: string): string
+  return arg
+enddef
+def s:RefThis(): func
+  return function('EchoArg')
+enddef
+def s:ScriptPCall()
+  RefThis()("text")
+enddef
+
+def Test_disassemble_pcall()
+  var res = execute('disass s:ScriptPCall')
+  assert_match('<SNR>\d\+_ScriptPCall\_s*' ..
+        'RefThis()("text")\_s*' ..
+        '\d DCALL <SNR>\d\+_RefThis(argc 0)\_s*' ..
+        '\d PUSHS "text"\_s*' ..
+        '\d PCALL top (argc 1)\_s*' ..
+        '\d PCALL end\_s*' ..
+        '\d DROP\_s*' ..
+        '\d RETURN void',
+        res)
+enddef
+
+
+def s:FuncWithForwardCall(): string
+  return g:DefinedLater("yes")
+enddef
+
+def DefinedLater(arg: string): string
+  return arg
+enddef
+
+def Test_disassemble_update_instr()
+  var res = execute('disass s:FuncWithForwardCall')
+  assert_match('FuncWithForwardCall\_s*' ..
+        'return g:DefinedLater("yes")\_s*' ..
+        '\d PUSHS "yes"\_s*' ..
+        '\d DCALL DefinedLater(argc 1)\_s*' ..
+        '\d RETURN',
+        res)
+
+  # Calling the function will change UCALL into the faster DCALL
+  assert_equal('yes', FuncWithForwardCall())
+
+  res = execute('disass s:FuncWithForwardCall')
+  assert_match('FuncWithForwardCall\_s*' ..
+        'return g:DefinedLater("yes")\_s*' ..
+        '\d PUSHS "yes"\_s*' ..
+        '\d DCALL DefinedLater(argc 1)\_s*' ..
+        '\d RETURN',
+        res)
+enddef
+
+
+def FuncWithDefault(l: number, arg: string = "default", nr = 77): string
+  return arg .. nr
+enddef
+
+def Test_disassemble_call_default()
+  var res = execute('disass FuncWithDefault')
+  assert_match('FuncWithDefault\_s*' ..
+        '  arg = "default"\_s*' ..
+        '\d JUMP_IF_ARG_SET arg\[-2\] -> 3\_s*' ..
+        '\d PUSHS "default"\_s*' ..
+        '\d STORE arg\[-2]\_s*' ..
+        '  nr = 77\_s*' ..
+        '3 JUMP_IF_ARG_SET arg\[-1\] -> 6\_s*' ..
+        '\d PUSHNR 77\_s*' ..
+        '\d STORE arg\[-1]\_s*' ..
+        '  return arg .. nr\_s*' ..
+        '6 LOAD arg\[-2]\_s*' ..
+        '\d LOAD arg\[-1]\_s*' ..
+        '\d 2STRING stack\[-1]\_s*' ..
+        '\d\+ CONCAT size 2\_s*' ..
+        '\d\+ RETURN',
+        res)
+enddef
+
+
+def s:HasEval()
+  if has("eval")
+    echo "yes"
+  else
+    echo "no"
+  endif
+enddef
+
+def s:HasNothing()
+  if has("nothing")
+    echo "yes"
+  else
+    echo "no"
+  endif
+enddef
+
+def s:HasSomething()
+  if has("nothing")
+    echo "nothing"
+  elseif has("something")
+    echo "something"
+  elseif has("eval")
+    echo "eval"
+  elseif has("less")
+    echo "less"
+  endif
+enddef
+
+def s:HasGuiRunning()
+  if has("gui_running")
+    echo "yes"
+  else
+    echo "no"
+  endif
+enddef
+
+def s:LenConstant(): number
+  return len("foo") + len("fighters")
+enddef
+
+def Test_disassemble_const_expr()
+  var instr = execute('disassemble LenConstant')
+  assert_match('LenConstant\_s*' ..
+    'return len("foo") + len("fighters")\_s*' ..
+    '\d PUSHNR 11\_s*',
+    instr)
+  assert_notmatch('BCALL len', instr)
+
+  assert_equal("\nyes", execute('HasEval()'))
+  instr = execute('disassemble HasEval')
+  assert_match('HasEval\_s*' ..
+        'if has("eval")\_s*' ..
+        'echo "yes"\_s*' ..
+        '\d PUSHS "yes"\_s*' ..
+        '\d ECHO 1\_s*' ..
+        'else\_s*' ..
+        'echo "no"\_s*' ..
+        'endif\_s*',
+        instr)
+  assert_notmatch('JUMP', instr)
+
+  assert_equal("\nno", execute('HasNothing()'))
+  instr = execute('disassemble HasNothing')
+  assert_match('HasNothing\_s*' ..
+        'if has("nothing")\_s*' ..
+        'echo "yes"\_s*' ..
+        'else\_s*' ..
+        'echo "no"\_s*' ..
+        '\d PUSHS "no"\_s*' ..
+        '\d ECHO 1\_s*' ..
+        'endif',
+        instr)
+  assert_notmatch('PUSHS "yes"', instr)
+  assert_notmatch('JUMP', instr)
+
+  assert_equal("\neval", execute('HasSomething()'))
+  instr = execute('disassemble HasSomething')
+  assert_match('HasSomething.*' ..
+        'if has("nothing")\_s*' ..
+        'echo "nothing"\_s*' ..
+        'elseif has("something")\_s*' ..
+        'echo "something"\_s*' ..
+        'elseif has("eval")\_s*' ..
+        'echo "eval"\_s*' ..
+        '\d PUSHS "eval"\_s*' ..
+        '\d ECHO 1\_s*' ..
+        'elseif has("less").*' ..
+        'echo "less"\_s*' ..
+        'endif',
+        instr)
+  assert_notmatch('PUSHS "nothing"', instr)
+  assert_notmatch('PUSHS "something"', instr)
+  assert_notmatch('PUSHS "less"', instr)
+  assert_notmatch('JUMP', instr)
+
+  var result: string
+  var instr_expected: string
+  if has('gui')
+    if has('gui_running')
+      # GUI already running, always returns "yes"
+      result = "\nyes"
+      instr_expected = 'HasGuiRunning.*' ..
+          'if has("gui_running")\_s*' ..
+          '  echo "yes"\_s*' ..
+          '\d PUSHS "yes"\_s*' ..
+          '\d ECHO 1\_s*' ..
+          'else\_s*' ..
+          '  echo "no"\_s*' ..
+          'endif'
+    else
+      result = "\nno"
+      if has('unix')
+        # GUI not running but can start later, call has()
+        instr_expected = 'HasGuiRunning.*' ..
+            'if has("gui_running")\_s*' ..
+            '\d PUSHS "gui_running"\_s*' ..
+            '\d BCALL has(argc 1)\_s*' ..
+            '\d COND2BOOL\_s*' ..
+            '\d JUMP_IF_FALSE -> \d\_s*' ..
+            '  echo "yes"\_s*' ..
+            '\d PUSHS "yes"\_s*' ..
+            '\d ECHO 1\_s*' ..
+            'else\_s*' ..
+            '\d JUMP -> \d\_s*' ..
+            '  echo "no"\_s*' ..
+            '\d PUSHS "no"\_s*' ..
+            '\d ECHO 1\_s*' ..
+            'endif'
+      else
+        # GUI not running, always return "no"
+        instr_expected = 'HasGuiRunning.*' ..
+            'if has("gui_running")\_s*' ..
+            '  echo "yes"\_s*' ..
+            'else\_s*' ..
+            '  echo "no"\_s*' ..
+            '\d PUSHS "no"\_s*' ..
+            '\d ECHO 1\_s*' ..
+            'endif'
+      endif
+    endif
+  else
+    # GUI not supported, always return "no"
+    result = "\nno"
+    instr_expected = 'HasGuiRunning.*' ..
+        'if has("gui_running")\_s*' ..
+        '  echo "yes"\_s*' ..
+        'else\_s*' ..
+        '  echo "no"\_s*' ..
+        '\d PUSHS "no"\_s*' ..
+        '\d ECHO 1\_s*' ..
+        'endif'
+  endif
+
+  assert_equal(result, execute('HasGuiRunning()'))
+  instr = execute('disassemble HasGuiRunning')
+  assert_match(instr_expected, instr)
+enddef
+
+def ReturnInIf(): string
+  if 1 < 0
+    return "maybe"
+  endif
+  if g:cond
+    return "yes"
+  else
+    return "no"
+  endif
+enddef
+
+def Test_disassemble_return_in_if()
+  var instr = execute('disassemble ReturnInIf')
+  assert_match('ReturnInIf\_s*' ..
+        'if 1 < 0\_s*' ..
+        '  return "maybe"\_s*' ..
+        'endif\_s*' ..
+        'if g:cond\_s*' ..
+        '0 LOADG g:cond\_s*' ..
+        '1 COND2BOOL\_s*' ..
+        '2 JUMP_IF_FALSE -> 5\_s*' ..
+        'return "yes"\_s*' ..
+        '3 PUSHS "yes"\_s*' ..
+        '4 RETURN\_s*' ..
+        'else\_s*' ..
+        ' return "no"\_s*' ..
+        '5 PUSHS "no"\_s*' ..
+        '6 RETURN$',
+        instr)
+enddef
+
+def WithFunc()
+  var Funky1: func
+  var Funky2: func = function("len")
+  var Party2: func = funcref("UserFunc")
+enddef
+
+def Test_disassemble_function()
+  var instr = execute('disassemble WithFunc')
+  assert_match('WithFunc\_s*' ..
+        'var Funky1: func\_s*' ..
+        '0 PUSHFUNC "\[none]"\_s*' ..
+        '1 STORE $0\_s*' ..
+        'var Funky2: func = function("len")\_s*' ..
+        '2 PUSHS "len"\_s*' ..
+        '3 BCALL function(argc 1)\_s*' ..
+        '4 STORE $1\_s*' ..
+        'var Party2: func = funcref("UserFunc")\_s*' ..
+        '\d PUSHS "UserFunc"\_s*' ..
+        '\d BCALL funcref(argc 1)\_s*' ..
+        '\d STORE $2\_s*' ..
+        '\d RETURN void',
+        instr)
+enddef
+
+if has('channel')
+  def WithChannel()
+    var job1: job
+    var job2: job = job_start("donothing")
+    var chan1: channel
+  enddef
+endif
+
+def Test_disassemble_channel()
+  CheckFeature channel
+
+  var instr = execute('disassemble WithChannel')
+  assert_match('WithChannel\_s*' ..
+        'var job1: job\_s*' ..
+        '\d PUSHJOB "no process"\_s*' ..
+        '\d STORE $0\_s*' ..
+        'var job2: job = job_start("donothing")\_s*' ..
+        '\d PUSHS "donothing"\_s*' ..
+        '\d BCALL job_start(argc 1)\_s*' ..
+        '\d STORE $1\_s*' ..
+        'var chan1: channel\_s*' ..
+        '\d PUSHCHANNEL 0\_s*' ..
+        '\d STORE $2\_s*' ..
+        '\d RETURN void',
+        instr)
+enddef
+
+def s:WithLambda(): string
+  var F = (a) => "X" .. a .. "X"
+  return F("x")
+enddef
+
+def Test_disassemble_lambda()
+  assert_equal("XxX", WithLambda())
+  var instr = execute('disassemble WithLambda')
+  assert_match('WithLambda\_s*' ..
+        'var F = (a) => "X" .. a .. "X"\_s*' ..
+        '\d FUNCREF <lambda>\d\+\_s*' ..
+        '\d STORE $0\_s*' ..
+        'return F("x")\_s*' ..
+        '\d PUSHS "x"\_s*' ..
+        '\d LOAD $0\_s*' ..
+        '\d PCALL (argc 1)\_s*' ..
+        '\d RETURN',
+        instr)
+
+   var name = substitute(instr, '.*\(<lambda>\d\+\).*', '\1', '')
+   instr = execute('disassemble ' .. name)
+   assert_match('<lambda>\d\+\_s*' ..
+        'return "X" .. a .. "X"\_s*' ..
+        '\d PUSHS "X"\_s*' ..
+        '\d LOAD arg\[-1\]\_s*' ..
+        '\d 2STRING_ANY stack\[-1\]\_s*' ..
+        '\d CONCAT size 2\_s*' ..
+        '\d PUSHS "X"\_s*' ..
+        '\d CONCAT size 2\_s*' ..
+        '\d RETURN',
+        instr)
+enddef
+
+def s:LambdaWithType(): number
+  var Ref = (a: number) => a + 10
+  return Ref(g:value)
+enddef
+
+def Test_disassemble_lambda_with_type()
+  g:value = 5
+  assert_equal(15, LambdaWithType())
+  var instr = execute('disassemble LambdaWithType')
+  assert_match('LambdaWithType\_s*' ..
+        'var Ref = (a: number) => a + 10\_s*' ..
+        '\d FUNCREF <lambda>\d\+\_s*' ..
+        '\d STORE $0\_s*' ..
+        'return Ref(g:value)\_s*' ..
+        '\d LOADG g:value\_s*' ..
+        '\d LOAD $0\_s*' ..
+        '\d CHECKTYPE number stack\[-2\] arg 1\_s*' ..
+        '\d PCALL (argc 1)\_s*' ..
+        '\d RETURN',
+        instr)
+enddef
+
+def NestedOuter()
+  def g:Inner()
+    echomsg "inner"
+  enddef
+enddef
+
+def Test_disassemble_nested_func()
+   var instr = execute('disassemble NestedOuter')
+   assert_match('NestedOuter\_s*' ..
+        'def g:Inner()\_s*' ..
+        'echomsg "inner"\_s*' ..
+        'enddef\_s*' ..
+        '\d NEWFUNC <lambda>\d\+ Inner\_s*' ..
+        '\d RETURN void',
+        instr)
+enddef
+
+def NestedDefList()
+  def
+  def Info
+  def /Info
+  def /Info/
+enddef
+
+def Test_disassemble_nested_def_list()
+   var instr = execute('disassemble NestedDefList')
+   assert_match('NestedDefList\_s*' ..
+        'def\_s*' ..
+        '\d DEF \_s*' ..
+        'def Info\_s*' ..
+        '\d DEF Info\_s*' ..
+        'def /Info\_s*' ..
+        '\d DEF /Info\_s*' ..
+        'def /Info/\_s*' ..
+        '\d DEF /Info/\_s*' ..
+        '\d RETURN void',
+        instr)
+enddef
+
+def s:AndOr(arg: any): string
+  if arg == 1 && arg != 2 || arg == 4
+    return 'yes'
+  endif
+  return 'no'
+enddef
+
+def Test_disassemble_and_or()
+  assert_equal("yes", AndOr(1))
+  assert_equal("no", AndOr(2))
+  assert_equal("yes", AndOr(4))
+  var instr = execute('disassemble AndOr')
+  assert_match('AndOr\_s*' ..
+        'if arg == 1 && arg != 2 || arg == 4\_s*' ..
+        '\d LOAD arg\[-1]\_s*' ..
+        '\d PUSHNR 1\_s*' ..
+        '\d COMPAREANY ==\_s*' ..
+        '\d JUMP_IF_COND_FALSE -> \d\+\_s*' ..
+        '\d LOAD arg\[-1]\_s*' ..
+        '\d PUSHNR 2\_s*' ..
+        '\d COMPAREANY !=\_s*' ..
+        '\d JUMP_IF_COND_TRUE -> \d\+\_s*' ..
+        '\d LOAD arg\[-1]\_s*' ..
+        '\d\+ PUSHNR 4\_s*' ..
+        '\d\+ COMPAREANY ==\_s*' ..
+        '\d\+ JUMP_IF_FALSE -> \d\+',
+        instr)
+enddef
+
+def s:AndConstant(arg: any): string
+  if true && arg
+    return "yes"
+  endif
+  if false && arg
+    return "never"
+  endif
+  return "no"
+enddef
+
+def Test_disassemble_and_constant()
+  assert_equal("yes", AndConstant(1))
+  assert_equal("no", AndConstant(false))
+  var instr = execute('disassemble AndConstant')
+  assert_match('AndConstant\_s*' ..
+      'if true && arg\_s*' ..
+      '0 LOAD arg\[-1\]\_s*' ..
+      '1 COND2BOOL\_s*' ..
+      '2 JUMP_IF_FALSE -> 5\_s*' ..
+      'return "yes"\_s*' ..
+      '3 PUSHS "yes"\_s*' ..
+      '4 RETURN\_s*' ..
+      'endif\_s*' ..
+      'if false && arg\_s*' ..
+      'return "never"\_s*' ..
+      'endif\_s*' ..
+      'return "no"\_s*' ..
+      '5 PUSHS "no"\_s*' ..
+      '6 RETURN',
+      instr)
+enddef
+
+def s:ForLoop(): list<number>
+  var res: list<number>
+  for i in range(3)
+    res->add(i)
+  endfor
+  return res
+enddef
+
+def Test_disassemble_for_loop()
+  assert_equal([0, 1, 2], ForLoop())
+  var instr = execute('disassemble ForLoop')
+  assert_match('ForLoop\_s*' ..
+        'var res: list<number>\_s*' ..
+        '\d NEWLIST size 0\_s*' ..
+        '\d SETTYPE list<number>\_s*' ..
+        '\d STORE $0\_s*' ..
+
+        'for i in range(3)\_s*' ..
+        '\d STORE -1 in $1\_s*' ..
+        '\d PUSHNR 3\_s*' ..
+        '\d BCALL range(argc 1)\_s*' ..
+        '\d FOR $1 -> \d\+\_s*' ..
+        '\d STORE $3\_s*' ..
+
+        'res->add(i)\_s*' ..
+        '\d LOAD $0\_s*' ..
+        '\d LOAD $3\_s*' ..
+        '\d\+ LISTAPPEND\_s*' ..
+        '\d\+ DROP\_s*' ..
+
+        'endfor\_s*' ..
+        '\d\+ JUMP -> \d\+\_s*' ..
+        '\d\+ DROP',
+        instr)
+enddef
+
+def s:ForLoopEval(): string
+  var res = ""
+  for str in eval('["one", "two"]')
+    res ..= str
+  endfor
+  return res
+enddef
+
+def Test_disassemble_for_loop_eval()
+  assert_equal('onetwo', ForLoopEval())
+  var instr = execute('disassemble ForLoopEval')
+  assert_match('ForLoopEval\_s*' ..
+        'var res = ""\_s*' ..
+        '\d PUSHS ""\_s*' ..
+        '\d STORE $0\_s*' ..
+
+        'for str in eval(''\["one", "two"\]'')\_s*' ..
+        '\d STORE -1 in $1\_s*' ..
+        '\d PUSHS "\["one", "two"\]"\_s*' ..
+        '\d BCALL eval(argc 1)\_s*' ..
+        '\d FOR $1 -> \d\+\_s*' ..
+        '\d STORE $3\_s*' ..
+
+        'res ..= str\_s*' ..
+        '\d\+ LOAD $0\_s*' ..
+        '\d\+ LOAD $3\_s*' ..
+        '\d 2STRING_ANY stack\[-1\]\_s*' ..
+        '\d\+ CONCAT size 2\_s*' ..
+        '\d\+ STORE $0\_s*' ..
+
+        'endfor\_s*' ..
+        '\d\+ JUMP -> 5\_s*' ..
+        '\d\+ DROP\_s*' ..
+
+        'return res\_s*' ..
+        '\d\+ LOAD $0\_s*' ..
+        '\d\+ RETURN',
+        instr)
+enddef
+
+def s:ForLoopUnpack()
+  for [x1, x2] in [[1, 2], [3, 4]]
+    echo x1 x2
+  endfor
+enddef
+
+def Test_disassemble_for_loop_unpack()
+  var instr = execute('disassemble ForLoopUnpack')
+  assert_match('ForLoopUnpack\_s*' ..
+        'for \[x1, x2\] in \[\[1, 2\], \[3, 4\]\]\_s*' ..
+        '\d\+ STORE -1 in $0\_s*' ..
+        '\d\+ PUSHNR 1\_s*' ..
+        '\d\+ PUSHNR 2\_s*' ..
+        '\d\+ NEWLIST size 2\_s*' ..
+        '\d\+ PUSHNR 3\_s*' ..
+        '\d\+ PUSHNR 4\_s*' ..
+        '\d\+ NEWLIST size 2\_s*' ..
+        '\d\+ NEWLIST size 2\_s*' ..
+        '\d\+ FOR $0 -> 16\_s*' ..
+        '\d\+ UNPACK 2\_s*' ..
+        '\d\+ STORE $2\_s*' ..
+        '\d\+ STORE $3\_s*' ..
+
+        'echo x1 x2\_s*' ..
+        '\d\+ LOAD $2\_s*' ..
+        '\d\+ LOAD $3\_s*' ..
+        '\d\+ ECHO 2\_s*' ..
+
+        'endfor\_s*' ..
+        '\d\+ JUMP -> 8\_s*' ..
+        '\d\+ DROP\_s*' ..
+        '\d\+ RETURN void',
+        instr)
+enddef
+
+def s:ForLoopContinue()
+  for nr in [1, 2]
+    try
+      echo "ok"
+      try
+        echo "deeper"
+      catch
+        continue
+      endtry
+    catch
+      echo "not ok"
+    endtry
+  endfor
+enddef
+
+def Test_disassemble_for_loop_continue()
+  var instr = execute('disassemble ForLoopContinue')
+  assert_match('ForLoopContinue\_s*' ..
+        'for nr in \[1, 2]\_s*' ..
+        '0 STORE -1 in $0\_s*' ..
+        '1 PUSHNR 1\_s*' ..
+        '2 PUSHNR 2\_s*' ..
+        '3 NEWLIST size 2\_s*' ..
+        '4 FOR $0 -> 22\_s*' ..
+        '5 STORE $2\_s*' ..
+
+        'try\_s*' ..
+        '6 TRY catch -> 17, endtry -> 20\_s*' ..
+
+        'echo "ok"\_s*' ..
+        '7 PUSHS "ok"\_s*' ..
+        '8 ECHO 1\_s*' ..
+
+        'try\_s*' ..
+        '9 TRY catch -> 13, endtry -> 15\_s*' ..
+
+        'echo "deeper"\_s*' ..
+        '10 PUSHS "deeper"\_s*' ..
+        '11 ECHO 1\_s*' ..
+
+        'catch\_s*' ..
+        '12 JUMP -> 15\_s*' ..
+        '13 CATCH\_s*' ..
+
+        'continue\_s*' ..
+        '14 TRY-CONTINUE 2 levels -> 4\_s*' ..
+
+        'endtry\_s*' ..
+        '15 ENDTRY\_s*' ..
+
+        'catch\_s*' ..
+        '16 JUMP -> 20\_s*' ..
+        '17 CATCH\_s*' ..
+
+        'echo "not ok"\_s*' ..
+        '18 PUSHS "not ok"\_s*' ..
+        '19 ECHO 1\_s*' ..
+
+        'endtry\_s*' ..
+        '20 ENDTRY\_s*' ..
+
+        'endfor\_s*' ..
+        '21 JUMP -> 4\_s*' ..
+        '\d\+ DROP\_s*' ..
+        '\d\+ RETURN void',
+        instr)
+enddef
+
+let g:number = 42
+
+def s:TypeCast()
+  var l: list<number> = [23, <number>g:number]
+enddef
+
+def Test_disassemble_typecast()
+  var instr = execute('disassemble TypeCast')
+  assert_match('TypeCast.*' ..
+        'var l: list<number> = \[23, <number>g:number\].*' ..
+        '\d PUSHNR 23\_s*' ..
+        '\d LOADG g:number\_s*' ..
+        '\d CHECKTYPE number stack\[-1\]\_s*' ..
+        '\d NEWLIST size 2\_s*' ..
+        '\d SETTYPE list<number>\_s*' ..
+        '\d STORE $0\_s*' ..
+        '\d RETURN void\_s*',
+        instr)
+enddef
+
+def s:Computing()
+  var nr = 3
+  var nrres = nr + 7
+  nrres = nr - 7
+  nrres = nr * 7
+  nrres = nr / 7
+  nrres = nr % 7
+
+  var anyres = g:number + 7
+  anyres = g:number - 7
+  anyres = g:number * 7
+  anyres = g:number / 7
+  anyres = g:number % 7
+
+  var fl = 3.0
+  var flres = fl + 7.0
+  flres = fl - 7.0
+  flres = fl * 7.0
+  flres = fl / 7.0
+enddef
+
+def Test_disassemble_computing()
+  var instr = execute('disassemble Computing')
+  assert_match('Computing.*' ..
+        'var nr = 3.*' ..
+        '\d STORE 3 in $0.*' ..
+        'var nrres = nr + 7.*' ..
+        '\d LOAD $0.*' ..
+        '\d PUSHNR 7.*' ..
+        '\d OPNR +.*' ..
+        '\d STORE $1.*' ..
+        'nrres = nr - 7.*' ..
+        '\d OPNR -.*' ..
+        'nrres = nr \* 7.*' ..
+        '\d OPNR \*.*' ..
+        'nrres = nr / 7.*' ..
+        '\d OPNR /.*' ..
+        'nrres = nr % 7.*' ..
+        '\d OPNR %.*' ..
+        'var anyres = g:number + 7.*' ..
+        '\d LOADG g:number.*' ..
+        '\d PUSHNR 7.*' ..
+        '\d OPANY +.*' ..
+        '\d STORE $2.*' ..
+        'anyres = g:number - 7.*' ..
+        '\d OPANY -.*' ..
+        'anyres = g:number \* 7.*' ..
+        '\d OPANY \*.*' ..
+        'anyres = g:number / 7.*' ..
+        '\d OPANY /.*' ..
+        'anyres = g:number % 7.*' ..
+        '\d OPANY %.*',
+        instr)
+  assert_match('Computing.*' ..
+      'var fl = 3.0.*' ..
+      '\d PUSHF 3.0.*' ..
+      '\d STORE $3.*' ..
+      'var flres = fl + 7.0.*' ..
+      '\d LOAD $3.*' ..
+      '\d PUSHF 7.0.*' ..
+      '\d OPFLOAT +.*' ..
+      '\d STORE $4.*' ..
+      'flres = fl - 7.0.*' ..
+      '\d OPFLOAT -.*' ..
+      'flres = fl \* 7.0.*' ..
+      '\d OPFLOAT \*.*' ..
+      'flres = fl / 7.0.*' ..
+      '\d OPFLOAT /.*',
+      instr)
+enddef
+
+def s:AddListBlob()
+  var reslist = [1, 2] + [3, 4]
+  var resblob = 0z1122 + 0z3344
+enddef
+
+def Test_disassemble_add_list_blob()
+  var instr = execute('disassemble AddListBlob')
+  assert_match('AddListBlob.*' ..
+        'var reslist = \[1, 2] + \[3, 4].*' ..
+        '\d PUSHNR 1.*' ..
+        '\d PUSHNR 2.*' ..
+        '\d NEWLIST size 2.*' ..
+        '\d PUSHNR 3.*' ..
+        '\d PUSHNR 4.*' ..
+        '\d NEWLIST size 2.*' ..
+        '\d ADDLIST.*' ..
+        '\d STORE $.*.*' ..
+        'var resblob = 0z1122 + 0z3344.*' ..
+        '\d PUSHBLOB 0z1122.*' ..
+        '\d PUSHBLOB 0z3344.*' ..
+        '\d ADDBLOB.*' ..
+        '\d STORE $.*',
+        instr)
+enddef
+
+let g:aa = 'aa'
+def s:ConcatString(): string
+  var res = g:aa .. "bb"
+  return res
+enddef
+
+def Test_disassemble_concat()
+  var instr = execute('disassemble ConcatString')
+  assert_match('ConcatString.*' ..
+        'var res = g:aa .. "bb".*' ..
+        '\d LOADG g:aa.*' ..
+        '\d PUSHS "bb".*' ..
+        '\d 2STRING_ANY stack\[-2].*' ..
+        '\d CONCAT.*' ..
+        '\d STORE $.*',
+        instr)
+  assert_equal('aabb', ConcatString())
+enddef
+
+def s:StringIndex(): string
+  var s = "abcd"
+  var res = s[1]
+  return res
+enddef
+
+def Test_disassemble_string_index()
+  var instr = execute('disassemble StringIndex')
+  assert_match('StringIndex\_s*' ..
+        'var s = "abcd"\_s*' ..
+        '\d PUSHS "abcd"\_s*' ..
+        '\d STORE $0\_s*' ..
+        'var res = s\[1]\_s*' ..
+        '\d LOAD $0\_s*' ..
+        '\d PUSHNR 1\_s*' ..
+        '\d STRINDEX\_s*' ..
+        '\d STORE $1\_s*',
+        instr)
+  assert_equal('b', StringIndex())
+enddef
+
+def s:StringSlice(): string
+  var s = "abcd"
+  var res = s[1 : 8]
+  return res
+enddef
+
+def Test_disassemble_string_slice()
+  var instr = execute('disassemble StringSlice')
+  assert_match('StringSlice\_s*' ..
+        'var s = "abcd"\_s*' ..
+        '\d PUSHS "abcd"\_s*' ..
+        '\d STORE $0\_s*' ..
+        'var res = s\[1 : 8]\_s*' ..
+        '\d LOAD $0\_s*' ..
+        '\d PUSHNR 1\_s*' ..
+        '\d PUSHNR 8\_s*' ..
+        '\d STRSLICE\_s*' ..
+        '\d STORE $1\_s*',
+        instr)
+  assert_equal('bcd', StringSlice())
+enddef
+
+def s:ListIndex(): number
+  var l = [1, 2, 3]
+  var res = l[1]
+  return res
+enddef
+
+def Test_disassemble_list_index()
+  var instr = execute('disassemble ListIndex')
+  assert_match('ListIndex\_s*' ..
+        'var l = \[1, 2, 3]\_s*' ..
+        '\d PUSHNR 1\_s*' ..
+        '\d PUSHNR 2\_s*' ..
+        '\d PUSHNR 3\_s*' ..
+        '\d NEWLIST size 3\_s*' ..
+        '\d SETTYPE list<number>\_s*' ..
+        '\d STORE $0\_s*' ..
+        'var res = l\[1]\_s*' ..
+        '\d LOAD $0\_s*' ..
+        '\d PUSHNR 1\_s*' ..
+        '\d LISTINDEX\_s*' ..
+        '\d STORE $1\_s*',
+        instr)
+  assert_equal(2, ListIndex())
+enddef
+
+def s:ListSlice(): list<number>
+  var l = [1, 2, 3]
+  var res = l[1 : 8]
+  return res
+enddef
+
+def Test_disassemble_list_slice()
+  var instr = execute('disassemble ListSlice')
+  assert_match('ListSlice\_s*' ..
+        'var l = \[1, 2, 3]\_s*' ..
+        '\d PUSHNR 1\_s*' ..
+        '\d PUSHNR 2\_s*' ..
+        '\d PUSHNR 3\_s*' ..
+        '\d NEWLIST size 3\_s*' ..
+        '\d SETTYPE list<number>\_s*' ..
+        '\d STORE $0\_s*' ..
+        'var res = l\[1 : 8]\_s*' ..
+        '\d LOAD $0\_s*' ..
+        '\d PUSHNR 1\_s*' ..
+        '\d PUSHNR 8\_s*' ..
+        '\d\+ LISTSLICE\_s*' ..
+        '\d\+ SETTYPE list<number>\_s*' ..
+        '\d\+ STORE $1\_s*',
+        instr)
+  assert_equal([2, 3], ListSlice())
+enddef
+
+def s:DictMember(): number
+  var d = {item: 1}
+  var res = d.item
+  res = d["item"]
+  return res
+enddef
+
+def Test_disassemble_dict_member()
+  var instr = execute('disassemble DictMember')
+  assert_match('DictMember\_s*' ..
+        'var d = {item: 1}\_s*' ..
+        '\d PUSHS "item"\_s*' ..
+        '\d PUSHNR 1\_s*' ..
+        '\d NEWDICT size 1\_s*' ..
+        '\d SETTYPE dict<number>\_s*' ..
+        '\d STORE $0\_s*' ..
+        'var res = d.item\_s*' ..
+        '\d\+ LOAD $0\_s*' ..
+        '\d\+ MEMBER item\_s*' ..
+        '\d\+ USEDICT\_s*' ..
+        '\d\+ STORE $1\_s*' ..
+        'res = d\["item"\]\_s*' ..
+        '\d\+ LOAD $0\_s*' ..
+        '\d\+ PUSHS "item"\_s*' ..
+        '\d\+ MEMBER\_s*' ..
+        '\d\+ USEDICT\_s*' ..
+        '\d\+ STORE $1\_s*',
+        instr)
+  assert_equal(1, DictMember())
+enddef
+
+let somelist = [1, 2, 3, 4, 5]
+def s:AnyIndex(): number
+  var res = g:somelist[2]
+  return res
+enddef
+
+def Test_disassemble_any_index()
+  var instr = execute('disassemble AnyIndex')
+  assert_match('AnyIndex\_s*' ..
+        'var res = g:somelist\[2\]\_s*' ..
+        '\d LOADG g:somelist\_s*' ..
+        '\d PUSHNR 2\_s*' ..
+        '\d ANYINDEX\_s*' ..
+        '\d STORE $0\_s*' ..
+        'return res\_s*' ..
+        '\d LOAD $0\_s*' ..
+        '\d CHECKTYPE number stack\[-1\]\_s*' ..
+        '\d RETURN',
+        instr)
+  assert_equal(3, AnyIndex())
+enddef
+
+def s:AnySlice(): list<number>
+  var res = g:somelist[1 : 3]
+  return res
+enddef
+
+def Test_disassemble_any_slice()
+  var instr = execute('disassemble AnySlice')
+  assert_match('AnySlice\_s*' ..
+        'var res = g:somelist\[1 : 3\]\_s*' ..
+        '\d LOADG g:somelist\_s*' ..
+        '\d PUSHNR 1\_s*' ..
+        '\d PUSHNR 3\_s*' ..
+        '\d ANYSLICE\_s*' ..
+        '\d STORE $0\_s*' ..
+        'return res\_s*' ..
+        '\d LOAD $0\_s*' ..
+        '\d CHECKTYPE list<number> stack\[-1\]\_s*' ..
+        '\d RETURN',
+        instr)
+  assert_equal([2, 3, 4], AnySlice())
+enddef
+
+def s:NegateNumber(): number
+  g:nr = 9
+  var plus = +g:nr
+  var minus = -g:nr
+  return minus
+enddef
+
+def Test_disassemble_negate_number()
+  var instr = execute('disassemble NegateNumber')
+  assert_match('NegateNumber\_s*' ..
+        'g:nr = 9\_s*' ..
+        '\d PUSHNR 9\_s*' ..
+        '\d STOREG g:nr\_s*' ..
+        'var plus = +g:nr\_s*' ..
+        '\d LOADG g:nr\_s*' ..
+        '\d CHECKTYPE number stack\[-1\]\_s*' ..
+        '\d STORE $0\_s*' ..
+        'var minus = -g:nr\_s*' ..
+        '\d LOADG g:nr\_s*' ..
+        '\d CHECKTYPE number stack\[-1\]\_s*' ..
+        '\d NEGATENR\_s*' ..
+        '\d STORE $1\_s*',
+        instr)
+  assert_equal(-9, NegateNumber())
+enddef
+
+def s:InvertBool(): bool
+  var flag = true
+  var invert = !flag
+  var res = !!flag
+  return res
+enddef
+
+def Test_disassemble_invert_bool()
+  var instr = execute('disassemble InvertBool')
+  assert_match('InvertBool\_s*' ..
+        'var flag = true\_s*' ..
+        '\d PUSH true\_s*' ..
+        '\d STORE $0\_s*' ..
+        'var invert = !flag\_s*' ..
+        '\d LOAD $0\_s*' ..
+        '\d INVERT -1 (!val)\_s*' ..
+        '\d STORE $1\_s*' ..
+        'var res = !!flag\_s*' ..
+        '\d LOAD $0\_s*' ..
+        '\d 2BOOL -1 (!!val)\_s*' ..
+        '\d STORE $2\_s*',
+        instr)
+  assert_equal(true, InvertBool())
+enddef
+
+def s:ReturnBool(): bool
+  var one = 1
+  var zero = 0
+  var none: number
+  var name: bool = one && zero || one
+  return name
+enddef
+
+def Test_disassemble_return_bool()
+  var instr = execute('disassemble ReturnBool')
+  assert_match('ReturnBool\_s*' ..
+        'var one = 1\_s*' ..
+        '0 STORE 1 in $0\_s*' ..
+        'var zero = 0\_s*' ..
+        'var none: number\_s*' ..
+        'var name: bool = one && zero || one\_s*' ..
+        '1 LOAD $0\_s*' ..
+        '2 COND2BOOL\_s*' ..
+        '3 JUMP_IF_COND_FALSE -> 6\_s*' ..
+        '4 LOAD $1\_s*' ..
+        '5 COND2BOOL\_s*' ..
+        '6 JUMP_IF_COND_TRUE -> 9\_s*' ..
+        '7 LOAD $0\_s*' ..
+        '8 COND2BOOL\_s*' ..
+        '9 STORE $3\_s*' ..
+        'return name\_s*' ..
+        '\d\+ LOAD $3\_s*' ..
+        '\d\+ RETURN',
+        instr)
+  assert_equal(true, InvertBool())
+enddef
+
+def s:AutoInit()
+  var t: number
+  t = 1
+  t = 0
+enddef
+
+def Test_disassemble_auto_init()
+  var instr = execute('disassemble AutoInit')
+  assert_match('AutoInit\_s*' ..
+        'var t: number\_s*' ..
+        't = 1\_s*' ..
+        '\d STORE 1 in $0\_s*' ..
+        't = 0\_s*' ..
+        '\d STORE 0 in $0\_s*' ..
+        '\d\+ RETURN void',
+        instr)
+enddef
+
+def Test_disassemble_compare()
+  var cases = [
+        ['true == isFalse', 'COMPAREBOOL =='],
+        ['true != isFalse', 'COMPAREBOOL !='],
+        ['v:none == isNull', 'COMPARESPECIAL =='],
+        ['v:none != isNull', 'COMPARESPECIAL !='],
+        ['"text" == isNull', 'COMPARENULL =='],
+        ['"text" != isNull', 'COMPARENULL !='],
+
+        ['111 == aNumber', 'COMPARENR =='],
+        ['111 != aNumber', 'COMPARENR !='],
+        ['111 > aNumber', 'COMPARENR >'],
+        ['111 < aNumber', 'COMPARENR <'],
+        ['111 >= aNumber', 'COMPARENR >='],
+        ['111 <= aNumber', 'COMPARENR <='],
+        ['111 =~ aNumber', 'COMPARENR =\~'],
+        ['111 !~ aNumber', 'COMPARENR !\~'],
+
+        ['"xx" != aString', 'COMPARESTRING !='],
+        ['"xx" > aString', 'COMPARESTRING >'],
+        ['"xx" < aString', 'COMPARESTRING <'],
+        ['"xx" >= aString', 'COMPARESTRING >='],
+        ['"xx" <= aString', 'COMPARESTRING <='],
+        ['"xx" =~ aString', 'COMPARESTRING =\~'],
+        ['"xx" !~ aString', 'COMPARESTRING !\~'],
+        ['"xx" is aString', 'COMPARESTRING is'],
+        ['"xx" isnot aString', 'COMPARESTRING isnot'],
+
+        ['0z11 == aBlob', 'COMPAREBLOB =='],
+        ['0z11 != aBlob', 'COMPAREBLOB !='],
+        ['0z11 is aBlob', 'COMPAREBLOB is'],
+        ['0z11 isnot aBlob', 'COMPAREBLOB isnot'],
+
+        ['[1, 2] == aList', 'COMPARELIST =='],
+        ['[1, 2] != aList', 'COMPARELIST !='],
+        ['[1, 2] is aList', 'COMPARELIST is'],
+        ['[1, 2] isnot aList', 'COMPARELIST isnot'],
+
+        ['{a: 1} == aDict', 'COMPAREDICT =='],
+        ['{a: 1} != aDict', 'COMPAREDICT !='],
+        ['{a: 1} is aDict', 'COMPAREDICT is'],
+        ['{a: 1} isnot aDict', 'COMPAREDICT isnot'],
+
+        ['(() => 33) == (() => 44)', 'COMPAREFUNC =='],
+        ['(() => 33) != (() => 44)', 'COMPAREFUNC !='],
+        ['(() => 33) is (() => 44)', 'COMPAREFUNC is'],
+        ['(() => 33) isnot (() => 44)', 'COMPAREFUNC isnot'],
+
+        ['77 == g:xx', 'COMPAREANY =='],
+        ['77 != g:xx', 'COMPAREANY !='],
+        ['77 > g:xx', 'COMPAREANY >'],
+        ['77 < g:xx', 'COMPAREANY <'],
+        ['77 >= g:xx', 'COMPAREANY >='],
+        ['77 <= g:xx', 'COMPAREANY <='],
+        ['77 =~ g:xx', 'COMPAREANY =\~'],
+        ['77 !~ g:xx', 'COMPAREANY !\~'],
+        ['77 is g:xx', 'COMPAREANY is'],
+        ['77 isnot g:xx', 'COMPAREANY isnot'],
+        ]
+  var floatDecl = ''
+  cases->extend([
+      ['1.1 == aFloat', 'COMPAREFLOAT =='],
+      ['1.1 != aFloat', 'COMPAREFLOAT !='],
+      ['1.1 > aFloat', 'COMPAREFLOAT >'],
+      ['1.1 < aFloat', 'COMPAREFLOAT <'],
+      ['1.1 >= aFloat', 'COMPAREFLOAT >='],
+      ['1.1 <= aFloat', 'COMPAREFLOAT <='],
+      ['1.1 =~ aFloat', 'COMPAREFLOAT =\~'],
+      ['1.1 !~ aFloat', 'COMPAREFLOAT !\~'],
+      ])
+  floatDecl = 'var aFloat = 2.2'
+
+  var nr = 1
+  for case in cases
+    # declare local variables to get a non-constant with the right type
+    writefile(['def TestCase' .. nr .. '()',
+             '  var isFalse = false',
+             '  var isNull = v:null',
+             '  var aNumber = 222',
+             '  var aString = "yy"',
+             '  var aBlob = 0z22',
+             '  var aList = [3, 4]',
+             '  var aDict = {x: 2}',
+             floatDecl,
+             '  if ' .. case[0],
+             '    echo 42',
+             '  endif',
+             'enddef'], 'Xdisassemble')
+    source Xdisassemble
+    var instr = execute('disassemble TestCase' .. nr)
+    assert_match('TestCase' .. nr .. '.*' ..
+        'if ' .. substitute(case[0], '[[~]', '\\\0', 'g') .. '.*' ..
+        '\d \(PUSH\|FUNCREF\).*' ..
+        '\d \(PUSH\|FUNCREF\|LOAD\).*' ..
+        '\d ' .. case[1] .. '.*' ..
+        '\d JUMP_IF_FALSE -> \d\+.*',
+        instr)
+
+    nr += 1
+  endfor
+
+  delete('Xdisassemble')
+enddef
+
+def s:FalsyOp()
+  echo g:flag ?? "yes"
+  echo [] ?? "empty list"
+  echo "" ?? "empty string"
+enddef
+
+def Test_disassemble_falsy_op()
+  var res = execute('disass s:FalsyOp')
+  assert_match('\<SNR>\d*_FalsyOp\_s*' ..
+      'echo g:flag ?? "yes"\_s*' ..
+      '0 LOADG g:flag\_s*' ..
+      '1 JUMP_AND_KEEP_IF_TRUE -> 3\_s*' ..
+      '2 PUSHS "yes"\_s*' ..
+      '3 ECHO 1\_s*' ..
+      'echo \[\] ?? "empty list"\_s*' ..
+      '4 NEWLIST size 0\_s*' ..
+      '5 JUMP_AND_KEEP_IF_TRUE -> 7\_s*' ..
+      '6 PUSHS "empty list"\_s*' ..
+      '7 ECHO 1\_s*' ..
+      'echo "" ?? "empty string"\_s*' ..
+      '\d\+ PUSHS "empty string"\_s*' ..
+      '\d\+ ECHO 1\_s*' ..
+      '\d\+ RETURN void',
+      res)
+enddef
+
+def Test_disassemble_compare_const()
+  var cases = [
+        ['"xx" == "yy"', false],
+        ['"aa" == "aa"', true],
+        ['has("eval") ? true : false', true],
+        ['has("asdf") ? true : false', false],
+        ]
+
+  var nr = 1
+  for case in cases
+    writefile(['def TestCase' .. nr .. '()',
+             '  if ' .. case[0],
+             '    echo 42',
+             '  endif',
+             'enddef'], 'Xdisassemble')
+    source Xdisassemble
+    var instr = execute('disassemble TestCase' .. nr)
+    if case[1]
+      # condition true, "echo 42" executed
+      assert_match('TestCase' .. nr .. '.*' ..
+          'if ' .. substitute(case[0], '[[~]', '\\\0', 'g') .. '.*' ..
+          '\d PUSHNR 42.*' ..
+          '\d ECHO 1.*' ..
+          '\d RETURN void',
+          instr)
+    else
+      # condition false, function just returns
+      assert_match('TestCase' .. nr .. '.*' ..
+          'if ' .. substitute(case[0], '[[~]', '\\\0', 'g') .. '[ \n]*' ..
+          'echo 42[ \n]*' ..
+          'endif[ \n]*' ..
+          '\d RETURN void',
+          instr)
+    endif
+
+    nr += 1
+  endfor
+
+  delete('Xdisassemble')
+enddef
+
+def s:Execute()
+  execute 'help vim9.txt'
+  var cmd = 'help vim9.txt'
+  execute cmd
+  var tag = 'vim9.txt'
+  execute 'help ' .. tag
+enddef
+
+def Test_disassemble_execute()
+  var res = execute('disass s:Execute')
+  assert_match('\<SNR>\d*_Execute\_s*' ..
+        "execute 'help vim9.txt'\\_s*" ..
+        '\d PUSHS "help vim9.txt"\_s*' ..
+        '\d EXECUTE 1\_s*' ..
+        "var cmd = 'help vim9.txt'\\_s*" ..
+        '\d PUSHS "help vim9.txt"\_s*' ..
+        '\d STORE $0\_s*' ..
+        'execute cmd\_s*' ..
+        '\d LOAD $0\_s*' ..
+        '\d EXECUTE 1\_s*' ..
+        "var tag = 'vim9.txt'\\_s*" ..
+        '\d PUSHS "vim9.txt"\_s*' ..
+        '\d STORE $1\_s*' ..
+        "execute 'help ' .. tag\\_s*" ..
+        '\d\+ PUSHS "help "\_s*' ..
+        '\d\+ LOAD $1\_s*' ..
+        '\d\+ CONCAT size 2\_s*' ..
+        '\d\+ EXECUTE 1\_s*' ..
+        '\d\+ RETURN void',
+        res)
+enddef
+
+def s:OnlyRange()
+  :$
+  :123
+  :'m
+enddef
+
+def Test_disassemble_range_only()
+  var res = execute('disass s:OnlyRange')
+  assert_match('\<SNR>\d*_OnlyRange\_s*' ..
+        ':$\_s*' ..
+        '\d EXECRANGE $\_s*' ..
+        ':123\_s*' ..
+        '\d EXECRANGE 123\_s*' ..
+        ':''m\_s*' ..
+        '\d EXECRANGE ''m\_s*' ..
+        '\d\+ RETURN void',
+        res)
+enddef
+
+def s:StoreRange()
+  var l = [1, 2]
+  l[0 : 1] = [7, 8]
+enddef
+
+def Test_disassemble_store_range()
+  var res = execute('disass s:StoreRange')
+  assert_match('\<SNR>\d*_StoreRange\_s*' ..
+        'var l = \[1, 2]\_s*' ..
+        '\d PUSHNR 1\_s*' ..
+        '\d PUSHNR 2\_s*' ..
+        '\d NEWLIST size 2\_s*' ..
+        '\d SETTYPE list<number>\_s*' ..
+        '\d STORE $0\_s*' ..
+
+        'l\[0 : 1] = \[7, 8]\_s*' ..
+        '\d\+ PUSHNR 7\_s*' ..
+        '\d\+ PUSHNR 8\_s*' ..
+        '\d\+ NEWLIST size 2\_s*' ..
+        '\d\+ PUSHNR 0\_s*' ..
+        '\d\+ PUSHNR 1\_s*' ..
+        '\d\+ LOAD $0\_s*' ..
+        '\d\+ STORERANGE\_s*' ..
+        '\d\+ RETURN void',
+        res)
+enddef
+
+def s:Echomsg()
+  echomsg 'some' 'message'
+  echoconsole 'nothing'
+  echoerr 'went' .. 'wrong'
+  var local = 'window'
+  echowin 'in' local
+  :5echowin 'five'
+enddef
+
+def Test_disassemble_echomsg()
+  var res = execute('disass s:Echomsg')
+  assert_match('\<SNR>\d*_Echomsg\_s*' ..
+        "echomsg 'some' 'message'\\_s*" ..
+        '\d PUSHS "some"\_s*' ..
+        '\d PUSHS "message"\_s*' ..
+        '\d ECHOMSG 2\_s*' ..
+        "echoconsole 'nothing'\\_s*" ..
+        '\d PUSHS "nothing"\_s*' ..
+        '\d ECHOCONSOLE 1\_s*' ..
+        "echoerr 'went' .. 'wrong'\\_s*" ..
+        '\d PUSHS "wentwrong"\_s*' ..
+        '\d ECHOERR 1\_s*' ..
+        "var local = 'window'\\_s*" ..
+        '\d\+ PUSHS "window"\_s*' ..
+        '\d\+ STORE $0\_s*' ..
+        "echowin 'in' local\\_s*" ..
+        '\d\+ PUSHS "in"\_s*' ..
+        '\d\+ LOAD $0\_s*' ..
+        '\d\+ ECHOWINDOW 2\_s*' ..
+        ":5echowin 'five'\\_s*" ..
+        '\d\+ PUSHS "five"\_s*' ..
+        '\d\+ ECHOWINDOW 1 (5 sec)\_s*' ..
+        '\d\+ RETURN void',
+        res)
+enddef
+
+def SomeStringArg(arg: string)
+  echo arg
+enddef
+
+def SomeAnyArg(arg: any)
+  echo arg
+enddef
+
+def SomeStringArgAndReturn(arg: string): string
+  return arg
+enddef
+
+def Test_display_func()
+  var res1 = execute('function SomeStringArg')
+  assert_match('.* def SomeStringArg(arg: string)\_s*' ..
+        '\d *echo arg.*' ..
+        ' *enddef',
+        res1)
+
+  var res2 = execute('function SomeAnyArg')
+  assert_match('.* def SomeAnyArg(arg: any)\_s*' ..
+        '\d *echo arg\_s*' ..
+        ' *enddef',
+        res2)
+
+  var res3 = execute('function SomeStringArgAndReturn')
+  assert_match('.* def SomeStringArgAndReturn(arg: string): string\_s*' ..
+        '\d *return arg\_s*' ..
+        ' *enddef',
+        res3)
+enddef
+
+def Test_vim9script_forward_func()
+  var lines =<< trim END
+    vim9script
+    def FuncOne(): string
+      return FuncTwo()
+    enddef
+    def FuncTwo(): string
+      return 'two'
+    enddef
+    g:res_FuncOne = execute('disass FuncOne')
+  END
+  writefile(lines, 'Xdisassemble', 'D')
+  source Xdisassemble
+
+  # check that the first function calls the second with DCALL
+  assert_match('\<SNR>\d*_FuncOne\_s*' ..
+        'return FuncTwo()\_s*' ..
+        '\d DCALL <SNR>\d\+_FuncTwo(argc 0)\_s*' ..
+        '\d RETURN',
+        g:res_FuncOne)
+
+  unlet g:res_FuncOne
+enddef
+
+def s:ConcatStrings(): string
+  return 'one' .. 'two' .. 'three'
+enddef
+
+def s:ComputeConst(): number
+  return 2 + 3 * 4 / 6 + 7
+enddef
+
+def s:ComputeConstParen(): number
+  return ((2 + 4) * (8 / 2)) / (3 + 4)
+enddef
+
+def Test_simplify_const_expr()
+  var res = execute('disass s:ConcatStrings')
+  assert_match('<SNR>\d*_ConcatStrings\_s*' ..
+        "return 'one' .. 'two' .. 'three'\\_s*" ..
+        '\d PUSHS "onetwothree"\_s*' ..
+        '\d RETURN',
+        res)
+
+  res = execute('disass s:ComputeConst')
+  assert_match('<SNR>\d*_ComputeConst\_s*' ..
+        'return 2 + 3 \* 4 / 6 + 7\_s*' ..
+        '\d PUSHNR 11\_s*' ..
+        '\d RETURN',
+        res)
+
+  res = execute('disass s:ComputeConstParen')
+  assert_match('<SNR>\d*_ComputeConstParen\_s*' ..
+        'return ((2 + 4) \* (8 / 2)) / (3 + 4)\_s*' ..
+        '\d PUSHNR 3\>\_s*' ..
+        '\d RETURN',
+        res)
+enddef
+
+def s:CallAppend()
+  eval "some text"->append(2)
+enddef
+
+def Test_shuffle()
+  var res = execute('disass s:CallAppend')
+  assert_match('<SNR>\d*_CallAppend\_s*' ..
+        'eval "some text"->append(2)\_s*' ..
+        '\d PUSHS "some text"\_s*' ..
+        '\d PUSHNR 2\_s*' ..
+        '\d SHUFFLE 2 up 1\_s*' ..
+        '\d BCALL append(argc 2)\_s*' ..
+        '\d DROP\_s*' ..
+        '\d RETURN void',
+        res)
+enddef
+
+
+def s:SilentMessage()
+  silent echomsg "text"
+  silent! echoerr "error"
+enddef
+
+def Test_silent()
+  var res = execute('disass s:SilentMessage')
+  assert_match('<SNR>\d*_SilentMessage\_s*' ..
+        'silent echomsg "text"\_s*' ..
+        '\d CMDMOD silent\_s*' ..
+        '\d PUSHS "text"\_s*' ..
+        '\d ECHOMSG 1\_s*' ..
+        '\d CMDMOD_REV\_s*' ..
+        'silent! echoerr "error"\_s*' ..
+        '\d CMDMOD silent!\_s*' ..
+        '\d PUSHS "error"\_s*' ..
+        '\d ECHOERR 1\_s*' ..
+        '\d CMDMOD_REV\_s*' ..
+        '\d\+ RETURN void',
+        res)
+enddef
+
+def s:SilentIf()
+  silent if 4 == g:five
+  silent elseif 4 == g:five
+  endif
+enddef
+
+def Test_silent_if()
+  var res = execute('disass s:SilentIf')
+  assert_match('<SNR>\d*_SilentIf\_s*' ..
+        'silent if 4 == g:five\_s*' ..
+        '\d\+ CMDMOD silent\_s*' ..
+        '\d\+ PUSHNR 4\_s*' ..
+        '\d\+ LOADG g:five\_s*' ..
+        '\d\+ COMPAREANY ==\_s*' ..
+        '\d\+ CMDMOD_REV\_s*' ..
+        '\d\+ JUMP_IF_FALSE -> \d\+\_s*' ..
+        'silent elseif 4 == g:five\_s*' ..
+        '\d\+ JUMP -> \d\+\_s*' ..
+        '\d\+ CMDMOD silent\_s*' ..
+        '\d\+ PUSHNR 4\_s*' ..
+        '\d\+ LOADG g:five\_s*' ..
+        '\d\+ COMPAREANY ==\_s*' ..
+        '\d\+ CMDMOD_REV\_s*' ..
+        '\d\+ JUMP_IF_FALSE -> \d\+\_s*' ..
+        'endif\_s*' ..
+        '\d\+ RETURN void',
+        res)
+enddef
+
+def s:SilentFor()
+  silent for i in [0]
+  endfor
+enddef
+
+def Test_silent_for()
+  var res = execute('disass s:SilentFor')
+  assert_match('<SNR>\d*_SilentFor\_s*' ..
+        'silent for i in \[0\]\_s*' ..
+        '\d CMDMOD silent\_s*' ..
+        '\d STORE -1 in $0\_s*' ..
+        '\d PUSHNR 0\_s*' ..
+        '\d NEWLIST size 1\_s*' ..
+        '\d CMDMOD_REV\_s*' ..
+        '5 FOR $0 -> 8\_s*' ..
+        '\d STORE $2\_s*' ..
+
+        'endfor\_s*' ..
+        '\d JUMP -> 5\_s*' ..
+        '8 DROP\_s*' ..
+        '\d RETURN void\_s*',
+        res)
+enddef
+
+def s:SilentWhile()
+  silent while g:not
+  endwhile
+enddef
+
+def Test_silent_while()
+  var res = execute('disass s:SilentWhile')
+  assert_match('<SNR>\d*_SilentWhile\_s*' ..
+        'silent while g:not\_s*' ..
+        '0 CMDMOD silent\_s*' ..
+        '\d LOADG g:not\_s*' ..
+        '\d COND2BOOL\_s*' ..
+        '\d CMDMOD_REV\_s*' ..
+        '\d WHILE $0 -> 6\_s*' ..
+
+        'endwhile\_s*' ..
+        '\d JUMP -> 0\_s*' ..
+        '6 RETURN void\_s*',
+         res)
+enddef
+
+def s:SilentReturn(): string
+  silent return "done"
+enddef
+
+def Test_silent_return()
+  var res = execute('disass s:SilentReturn')
+  assert_match('<SNR>\d*_SilentReturn\_s*' ..
+        'silent return "done"\_s*' ..
+        '\d CMDMOD silent\_s*' ..
+        '\d PUSHS "done"\_s*' ..
+        '\d CMDMOD_REV\_s*' ..
+        '\d RETURN',
+        res)
+enddef
+
+def s:Profiled(): string
+  # comment
+  echo "profiled"
+  # comment
+  var some = "some text"
+  return "done"
+enddef
+
+def Test_profiled()
+  if !has('profile')
+    MissingFeature 'profile'
+  endif
+  var res = execute('disass profile s:Profiled')
+  assert_match('<SNR>\d*_Profiled\_s*' ..
+        '# comment\_s*' ..
+        'echo "profiled"\_s*' ..
+        '\d PROFILE START line 2\_s*' ..
+        '\d PUSHS "profiled"\_s*' ..
+        '\d ECHO 1\_s*' ..
+        '# comment\_s*' ..
+        'var some = "some text"\_s*' ..
+        '\d PROFILE END\_s*' ..
+        '\d PROFILE START line 4\_s*' ..
+        '\d PUSHS "some text"\_s*' ..
+        '\d STORE $0\_s*' ..
+        'return "done"\_s*' ..
+        '\d PROFILE END\_s*' ..
+        '\d PROFILE START line 5\_s*' ..
+        '\d PUSHS "done"\_s*' ..
+        '\d\+ RETURN\_s*' ..
+        '\d\+ PROFILE END',
+        res)
+enddef
+
+def Test_debugged()
+  var res = execute('disass debug s:Profiled')
+  assert_match('<SNR>\d*_Profiled\_s*' ..
+        '# comment\_s*' ..
+        'echo "profiled"\_s*' ..
+        '\d DEBUG line 1-2 varcount 0\_s*' ..
+        '\d PUSHS "profiled"\_s*' ..
+        '\d ECHO 1\_s*' ..
+        '# comment\_s*' ..
+        'var some = "some text"\_s*' ..
+        '\d DEBUG line 3-4 varcount 0\_s*' ..
+        '\d PUSHS "some text"\_s*' ..
+        '\d STORE $0\_s*' ..
+        'return "done"\_s*' ..
+        '\d DEBUG line 5-5 varcount 1\_s*' ..
+        '\d PUSHS "done"\_s*' ..
+        '\d RETURN\_s*',
+        res)
+enddef
+
+def s:ElseifConstant()
+  if g:value
+    echo "one"
+  elseif true
+    echo "true"
+  elseif false
+    echo "false"
+  endif
+  if 0
+    echo "yes"
+  elseif 0
+    echo "no"
+  endif
+enddef
+
+def Test_debug_elseif_constant()
+  var res = execute('disass debug s:ElseifConstant')
+  assert_match('<SNR>\d*_ElseifConstant\_s*' ..
+          'if g:value\_s*' ..
+          '0 DEBUG line 1-1 varcount 0\_s*' ..
+          '1 LOADG g:value\_s*' ..
+          '2 COND2BOOL\_s*' ..
+          '3 JUMP_IF_FALSE -> 8\_s*' ..
+          'echo "one"\_s*' ..
+          '4 DEBUG line 2-2 varcount 0\_s*' ..
+          '5 PUSHS "one"\_s*' ..
+          '6 ECHO 1\_s*' ..
+          'elseif true\_s*' ..
+          '7 JUMP -> 12\_s*' ..
+          '8 DEBUG line 3-3 varcount 0\_s*' ..
+          'echo "true"\_s*' ..
+          '9 DEBUG line 4-4 varcount 0\_s*' ..
+          '10 PUSHS "true"\_s*' ..
+          '11 ECHO 1\_s*' ..
+          'elseif false\_s*' ..
+          'echo "false"\_s*' ..
+          'endif\_s*' ..
+          'if 0\_s*' ..
+          '12 DEBUG line 8-8 varcount 0\_s*' ..
+          'echo "yes"\_s*' ..
+          'elseif 0\_s*' ..
+          '13 DEBUG line 11-10 varcount 0\_s*' ..
+          'echo "no"\_s*' ..
+          'endif\_s*' ..
+          '14 RETURN void*',
+        res)
+enddef
+
+def s:DebugElseif()
+  var b = false
+  if b
+    eval 1 + 0
+  silent elseif !b
+    eval 2 + 0
+  endif
+enddef
+
+def Test_debug_elseif()
+  var res = execute('disass debug s:DebugElseif')
+  assert_match('<SNR>\d*_DebugElseif\_s*' ..
+          'var b = false\_s*' ..
+          '0 DEBUG line 1-1 varcount 0\_s*' ..
+          '1 PUSH false\_s*' ..
+          '2 STORE $0\_s*' ..
+
+          'if b\_s*' ..
+          '3 DEBUG line 2-2 varcount 1\_s*' ..
+          '4 LOAD $0\_s*' ..
+          '5 JUMP_IF_FALSE -> 10\_s*' ..
+
+          'eval 1 + 0\_s*' ..
+          '6 DEBUG line 3-3 varcount 1\_s*' ..
+          '7 PUSHNR 1\_s*' ..
+          '8 DROP\_s*' ..
+
+          'silent elseif !b\_s*' ..
+          '9 JUMP -> 20\_s*' ..
+          '10 CMDMOD silent\_s*' ..
+          '11 DEBUG line 4-4 varcount 1\_s*' ..
+          '12 LOAD $0\_s*' ..
+          '13 INVERT -1 (!val)\_s*' ..
+          '14 CMDMOD_REV\_s*' ..
+          '15 JUMP_IF_FALSE -> 20\_s*' ..
+
+          'eval 2 + 0\_s*' ..
+          '16 DEBUG line 5-5 varcount 1\_s*' ..
+          '17 PUSHNR 2\_s*' ..
+          '18 DROP\_s*' ..
+
+          'endif\_s*' ..
+          '19 DEBUG line 6-6 varcount 1\_s*' ..
+          '20 RETURN void*',
+        res)
+enddef
+
+def s:DebugFor()
+  echo "hello"
+  for a in [0]
+    echo a
+  endfor
+enddef
+
+def Test_debug_for()
+  var res = execute('disass debug s:DebugFor')
+  assert_match('<SNR>\d*_DebugFor\_s*' ..
+          'echo "hello"\_s*' ..
+          '0 DEBUG line 1-1 varcount 0\_s*' ..
+          '1 PUSHS "hello"\_s*' ..
+          '2 ECHO 1\_s*' ..
+
+          'for a in \[0\]\_s*' ..
+          '3 DEBUG line 2-2 varcount 0\_s*' ..
+          '4 STORE -1 in $0\_s*' ..
+          '5 PUSHNR 0\_s*' ..
+          '6 NEWLIST size 1\_s*' ..
+          '7 DEBUG line 2-2 varcount 3\_s*' ..
+          '8 FOR $0 -> 15\_s*' ..
+          '9 STORE $2\_s*' ..
+
+          'echo a\_s*' ..
+          '10 DEBUG line 3-3 varcount 3\_s*' ..
+          '11 LOAD $2\_s*' ..
+          '12 ECHO 1\_s*' ..
+
+          'endfor\_s*' ..
+          '13 DEBUG line 4-4 varcount 3\_s*' ..
+          '14 JUMP -> 7\_s*' ..
+          '15 DROP\_s*' ..
+          '16 RETURN void*',
+        res)
+enddef
+
+def s:TryCatch()
+  try
+    echo "try"
+  catch /error/
+    echo "caught"
+  endtry
+enddef
+
+def Test_debug_try_catch()
+  var res = execute('disass debug s:TryCatch')
+  assert_match('<SNR>\d*_TryCatch\_s*' ..
+          'try\_s*' ..
+          '0 DEBUG line 1-1 varcount 0\_s*' ..
+          '1 TRY catch -> 7, endtry -> 17\_s*' ..
+          'echo "try"\_s*' ..
+          '2 DEBUG line 2-2 varcount 0\_s*' ..
+          '3 PUSHS "try"\_s*' ..
+          '4 ECHO 1\_s*' ..
+          'catch /error/\_s*' ..
+          '5 DEBUG line 3-3 varcount 0\_s*' ..
+          '6 JUMP -> 17\_s*' ..
+          '7 DEBUG line 4-3 varcount 0\_s*' ..
+          '8 PUSH v:exception\_s*' ..
+          '9 PUSHS "error"\_s*' ..
+          '10 COMPARESTRING =\~\_s*' ..
+          '11 JUMP_IF_FALSE -> 17\_s*' ..
+          '12 CATCH\_s*' ..
+          'echo "caught"\_s*' ..
+          '13 DEBUG line 4-4 varcount 0\_s*' ..
+          '14 PUSHS "caught"\_s*' ..
+          '15 ECHO 1\_s*' ..
+          'endtry\_s*' ..
+          '16 DEBUG line 5-5 varcount 0\_s*' ..
+          '17 ENDTRY\_s*' ..
+          '\d\+ RETURN void',
+        res)
+enddef
+
+func s:Legacy() dict
+  echo 'legacy'
+endfunc
+
+def s:UseMember()
+  var d = {func: Legacy}
+  var v = d.func()
+enddef
+
+def Test_disassemble_dict_stack()
+  var res = execute('disass s:UseMember')
+  assert_match('<SNR>\d*_UseMember\_s*' ..
+          'var d = {func: Legacy}\_s*' ..
+          '\d PUSHS "func"\_s*' ..
+          '\d PUSHFUNC "<80><fd>R\d\+_Legacy"\_s*' ..
+          '\d NEWDICT size 1\_s*' ..
+          '\d SETTYPE dict<func(...): any>\_s*' ..
+          '\d STORE $0\_s*' ..
+
+          'var v = d.func()\_s*' ..
+          '\d LOAD $0\_s*' ..
+          '\d MEMBER func\_s*' ..
+          '\d PCALL top (argc 0)\_s*' ..
+          '\d PCALL end\_s*' ..
+          '\d CLEARDICT\_s*' ..
+          '\d\+ STORE $1\_s*' ..
+          '\d\+ RETURN void*',
+        res)
+enddef
+
+def s:RetLegacy(): string
+  legacy return "yes"
+enddef
+
+def Test_disassemble_return_legacy()
+  var res = execute('disass s:RetLegacy')
+  assert_match('<SNR>\d*_RetLegacy\_s*' ..
+          'legacy return "yes"\_s*' ..
+          '\d CMDMOD legacy\_s*' ..
+          '\d EVAL legacy "yes"\_s*' ..
+          '\d CHECKTYPE string stack\[-1]\_s*' ..
+          '\d CMDMOD_REV\_s*' ..
+          '\d RETURN',
+        res)
+enddef
+
+def s:EchoMessages()
+  echohl ErrorMsg | echom v:exception | echohl NONE
+enddef
+
+def Test_disassemble_nextcmd()
+  # splitting commands and removing trailing blanks should not change the line
+  var res = execute('disass s:EchoMessages')
+  assert_match('<SNR>\d*_EchoMessages\_s*' ..
+        'echohl ErrorMsg | echom v:exception | echohl NONE',
+        res)
+enddef
+
+def Test_disassemble_after_reload()
+  var lines =<< trim END
+      vim9script
+      if exists('g:ThisFunc')
+        finish
+      endif
+      var name: any
+      def g:ThisFunc(): number
+        g:name = name
+        return 0
+      enddef
+      def g:ThatFunc(): number
+        name = g:name
+        return 0
+      enddef
+  END
+  lines->writefile('Xreload.vim', 'D')
+
+  source Xreload.vim
+  g:ThisFunc()
+  g:ThatFunc()
+
+  source Xreload.vim
+  var res = execute('disass g:ThisFunc')
+  assert_match('ThisFunc\_s*' ..
+        'g:name = name\_s*' ..
+        '\d LOADSCRIPT \[deleted\] from .*/Xreload.vim\_s*' ..
+        '\d STOREG g:name\_s*' ..
+        'return 0\_s*' ..
+        '\d PUSHNR 0\_s*' ..
+        '\d RETURN\_s*',
+        res)
+
+  res = execute('disass g:ThatFunc')
+  assert_match('ThatFunc\_s*' ..
+        'name = g:name\_s*' ..
+        '\d LOADG g:name\_s*' ..
+        '\d STORESCRIPT \[deleted\] in .*/Xreload.vim\_s*' ..
+        'return 0\_s*' ..
+        '\d PUSHNR 0\_s*' ..
+        '\d RETURN\_s*',
+        res)
+
+  delfunc g:ThisFunc
+  delfunc g:ThatFunc
+enddef
+
+def s:MakeString(x: number): string
+  return $"x={x} x^2={x * x}"
+enddef
+
+def Test_disassemble_string_interp()
+  var instr = execute('disassemble s:MakeString')
+  assert_match('MakeString\_s*' ..
+        'return $"x={x} x^2={x \* x}"\_s*' ..
+        '0 PUSHS "x="\_s*' ..
+        '1 LOAD arg\[-1\]\_s*' ..
+        '2 2STRING stack\[-1\]\_s*' ..
+        '3 PUSHS " x^2="\_s*' ..
+        '4 LOAD arg\[-1\]\_s*' ..
+        '5 LOAD arg\[-1\]\_s*' ..
+        '6 OPNR \*\_s*' ..
+        '7 2STRING stack\[-1\]\_s*' ..
+        '8 CONCAT size 4\_s*' ..
+        '9 RETURN\_s*',
+        instr)
+enddef
+
+def BitShift()
+  var a = 1 << 2
+  var b = 8 >> 1
+  var c = a << b
+  var d = b << a
+enddef
+
+def Test_disassemble_bitshift()
+  var instr = execute('disassemble BitShift')
+  assert_match('BitShift\_s*' ..
+               'var a = 1 << 2\_s*' ..
+               '0 STORE 4 in $0\_s*' ..
+               'var b = 8 >> 1\_s*' ..
+               '1 STORE 4 in $1\_s*' ..
+               'var c = a << b\_s*' ..
+               '2 LOAD $0\_s*' ..
+               '3 LOAD $1\_s*' ..
+               '4 OPNR <<\_s*' ..
+               '5 STORE $2\_s*' ..
+               'var d = b << a\_s*' ..
+               '6 LOAD $1\_s*' ..
+               '7 LOAD $0\_s*' ..
+               '8 OPNR <<\_s*' ..
+               '9 STORE $3\_s*' ..
+               '10 RETURN void', instr)
+enddef
+
+def s:OneDefer()
+  defer delete("file")
+enddef
+
+def Test_disassemble_defer()
+  var instr = execute('disassemble s:OneDefer')
+  assert_match('OneDefer\_s*' ..
+        'defer delete("file")\_s*' ..
+        '\d PUSHFUNC "delete"\_s*' ..
+        '\d PUSHS "file"\_s*' ..
+        '\d DEFER 1 args\_s*' ..
+        '\d RETURN\_s*',
+        instr)
+enddef
+
+def Test_disassemble_class_function()
+  var lines =<< trim END
+      vim9script
+
+      class Cl
+          static def Fc(): string
+            return "x"
+          enddef
+      endclass
+
+      g:instr = execute('disassemble Cl.Fc')
+  END
+  v9.CheckScriptSuccess(lines)
+  assert_match('Fc\_s*' ..
+        'return "x"\_s*' ..
+        '\d PUSHS "x"\_s*' ..
+        '\d RETURN\_s*',
+        g:instr)
+
+  lines =<< trim END
+      vim9script
+
+      class Cl
+          def Fo(): string
+            return "y"
+          enddef
+      endclass
+
+      g:instr = execute('disassemble Cl.Fo')
+  END
+  v9.CheckScriptSuccess(lines)
+  assert_match('Fo\_s*' ..
+        'return "y"\_s*' ..
+        '\d PUSHS "y"\_s*' ..
+        '\d RETURN\_s*',
+        g:instr)
+
+  unlet g:instr
+enddef
+
+" vim: ts=8 sw=2 sts=2 expandtab tw=80 fdm=marker