Results for ysh-proc-meta.test.sh

statusyshysh_ALT
pass 66
FAIL 11
total77
caseyshysh_ALTdescription
0pass pass with eval builtin command, in global scope
1pass pass with eval builtin command, in local scope
2pass pass with eval builtin command, making them global with names() and setVar()
3FAIL FAIL with parseCommand() then io->eval(), in local scope
detailsdetails
4pass pass with parseCommand() then io->eval(cmd, vars={out_dict: {}})
5pass pass with evalToDict()
6pass pass with runtime REFLECTION via __invoke__ - no parsing
12 passed, 0 OK, 0 not implemented, 0 BUG, 2 failed, 0 timeouts, 0 cases skipped
1 failed under osh

Details on runs that didn't PASS

ysh3 with parseCommand() then io->eval(), in local scope

[ysh stdout] Expected 'prefix a\nprefix b\n', got '(value.Command\n frag: \n (cmd_frag.Expr\n c: \n (Proc\n keyword: \n (Token\n id: Id.KW_Proc\n length: 4\n col: 0\n line: \n (SourceLine\n line_num: 1\n content: "proc echo_a(prefix) {\\n"\n src: \n (source.Dynamic\n what: "parseCommand()"\n location: \n (Token\n id: Id.Op_LParen\n length: 1\n col: 26\n line: \n (SourceLine\n line_num: 9\n content: " var cmd = parseCommand(s)\\n"\n src: (source.Stdin comment:"")\n )\n )\n )\n )\n )\n name: (Token id:Id.Lit_Chars length:6 col:5 line:...0x7fc06bfb8b50)\n sig: \n (proc_sig.Closed\n word: \n (ParamGroup\n params: [\n (Param\n blame_tok: (Token id:Id.Expr_Name length:6 col:12 line:...0x7fc06bfb8b50)\n name: prefix\n )\n ]\n )\n )\n body: \n (BraceGroup\n left: (Token id:Id.Lit_LBrace length:1 col:20 line:...0x7fc06bfb8b50)\n children: [\n (command.Simple\n blame_tok: \n (Token\n id: Id.Lit_Chars\n length: 4\n col: 2\n line: \n (SourceLine\n line_num: 2\n content: " echo $prefix a\\n"\n src: ...0x7fc06bc511e0\n )\n )\n more_env: []\n words: [\n (CompoundWord parts:[...0x7fc06bc4b598])\n (CompoundWord\n parts: [\n (SimpleVarSub\n tok: (Token id:Id.VSub_DollarName length:7 col:7 line:...0x7fc06bfb8cb0)\n )\n ]\n )\n (CompoundWord\n parts: [(Token id:Id.Lit_Chars length:1 col:15 line:...0x7fc06bfb8cb0)]\n )\n ]\n is_last_cmd: F\n )\n ]\n right: \n (Token\n id: Id.Lit_RBrace\n length: 1\n col: 0\n line: (SourceLine line_num:3 content:"}\\n" src:...0x7fc06bc511e0)\n )\n )\n )\n )\n captured_frame: [\n Dict\n ARGV\n (Cell exported:F readonly:F nameref:F val:(value.List items:[]))\n result\n (Cell exported:F readonly:F nameref:F val:(value.Dict d:[Dict]))\n param\n (Cell exported:F readonly:F nameref:F val:(value.Str s:a))\n s\n (Cell\n exported: F\n readonly: F\n nameref: F\n val: (value.Str s:"proc echo_a(prefix) {\\n echo $prefix a\\n}\\n")\n )\n cmd\n (Cell exported:F readonly:F nameref:F val:...0x7fc06bfb8d08)\n ]\n module_frame: [\n Dict\n ARGV\n (Cell exported:F readonly:F nameref:F val:(value.List items:[]))\n UID\n (Cell exported:F readonly:F nameref:F val:(value.Str s:1000))\n EUID\n (Cell exported:F readonly:F nameref:F val:(value.Str s:1000))\n PPID\n (Cell exported:F readonly:F nameref:F val:(value.Str s:43098))\n OPTIND\n (Cell exported:F readonly:F nameref:F val:(value.Str s:1))\n IFS\n (Cell exported:F readonly:F nameref:F val:(value.Str s:" \\t\\n"))\n HOSTNAME\n (Cell exported:F readonly:F nameref:F val:(value.Str s:700012b7641e))\n OSTYPE\n (Cell exported:F readonly:F nameref:F val:(value.Str s:linux))\n PS4\n (Cell\n exported: F\n readonly: F\n nameref: F\n val: (value.Str s:"${SHX_indent}${SHX_punct}${SHX_pid_str} ")\n )\n COMP_WORDBREAKS\n (Cell exported:F readonly:F nameref:F val:(value.Str s:" \\t\\n\\"\'><=;|&(:"))\n TMP\n (Cell\n exported: T\n readonly: F\n nameref: F\n val: (value.Str s:/home/uke/oil/_tmp/spec-tmp/ysh-proc-meta.test.sh.43092/03-ysh)\n )\n REPO_ROOT\n (Cell exported:T readonly:F nameref:F val:(value.Str s:/home/uke/oil))\n PYTHONPATH\n (Cell exported:T readonly:F nameref:F val:(value.Str s:"/home/uke/oil:/home/uke/oil/vendor"))\n PWD\n (Cell\n exported: T\n readonly: F\n nameref: F\n val: (value.Str s:/home/uke/oil/_tmp/spec-tmp/ysh-proc-meta.test.sh.43092/03-ysh)\n )\n SH\n (Cell exported:T readonly:F nameref:F val:(value.Str s:/home/uke/oil/bin/ysh))\n LC_ALL\n (Cell exported:T readonly:F nameref:F val:(value.Str s:C.UTF-8))\n PATH\n (Cell\n exported: T\n readonly: F\n nameref: F\n val: \n (value.Str\n s: \n"/home/uke/oil/test/../spec/bin:/home/uke/wedge/oils-for-unix.org/pkg/yash/2.49/bin:/home/uke/wedge/oils-for-unix.org/pkg/busybox/1.35.0:/home/uke/wedge/oils-for-unix.org/pkg/zsh/5.1.1/bin:/home/uke/wedge/oils-for-unix.org/pkg/mksh/R52c:/home/uke/wedge/oils-for-unix.org/pkg/dash/0.5.10.2/bin:/home/uke/wedge/oils-for-unix.org/pkg/bash/5.2.21/bin:/home/uke/wedge/oils-for-unix.org/pkg/bash/4.4/bin:/wedge/oils-for-unix.org/pkg/re2c/3.0/bin:/wedge/oils-for-unix.org/pkg/python3/3.10.4/bin:/home/uke/wedge/oils-for-unix.org/pkg/yash/2.49/bin:/home/uke/wedge/oils-for-unix.org/pkg/busybox/1.35.0:/home/uke/wedge/oils-for-unix.org/pkg/zsh/5.1.1/bin:/home/uke/wedge/oils-for-unix.org/pkg/mksh/R52c:/home/uke/wedge/oils-for-unix.org/pkg/dash/0.5.10.2/bin:/home/uke/wedge/oils-for-unix.org/pkg/bash/5.2.21/bin:/home/uke/wedge/oils-for-unix.org/pkg/bash/4.4/bin:/wedge/oils-for-unix.org/pkg/re2c/3.0/bin:/wedge/oils-for-unix.org/pkg/python3/3.10.4/bin:/home/uke/wedge/oils-for-unix.org/pkg/yash/2.49/bin:/home/uke/wedge/oils-for-unix.org/pkg/busybox/1.35.0:/home/uke/wedge/oils-for-unix.org/pkg/zsh/5.1.1/bin:/home/uke/wedge/oils-for-unix.org/pkg/mksh/R52c:/home/uke/wedge/oils-for-unix.org/pkg/dash/0.5.10.2/bin:/home/uke/wedge/oils-for-unix.org/pkg/bash/5.2.21/bin:/home/uke/wedge/oils-for-unix.org/pkg/bash/4.4/bin:/wedge/oils-for-unix.org/pkg/re2c/3.0/bin:/wedge/oils-for-unix.org/pkg/python3/3.10.4/bin:/home/uke/wedge/oils-for-unix.org/pkg/yash/2.49/bin:/home/uke/wedge/oils-for-unix.org/pkg/busybox/1.35.0:/home/uke/wedge/oils-for-unix.org/pkg/zsh/5.1.1/bin:/home/uke/wedge/oils-for-unix.org/pkg/mksh/R52c:/home/uke/wedge/oils-for-unix.org/pkg/dash/0.5.10.2/bin:/home/uke/wedge/oils-for-unix.org/pkg/bash/5.2.21/bin:/home/uke/wedge/oils-for-unix.org/pkg/bash/4.4/bin:/wedge/oils-for-unix.org/pkg/re2c/3.0/bin:/wedge/oils-for-unix.org/pkg/python3/3.10.4/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"\n )\n )\n LOCALE_ARCHIVE\n (Cell exported:T readonly:F nameref:F val:(value.Str s:""))\n OILS_GC_ON_EXIT\n (Cell exported:T readonly:F nameref:F val:(value.Str s:""))\n SHELLOPTS\n (Cell exported:F readonly:T nameref:F val:(value.Str s:""))\n YSH_HISTFILE\n (Cell\n exported: F\n readonly: F\n nameref: F\n val: (value.Str s:/home/uke/.local/share/oils/ysh_history)\n )\n p\n (Cell\n exported: F\n readonly: F\n nameref: F\n val: \n (value.Proc\n name: p\n name_tok: \n (Token\n id: Id.Lit_Chars\n length: 1\n col: 5\n line: (SourceLine line_num:1 content:"proc p {\\n" src:...0x7fc06bcae368)\n )\n sig: (proc_sig__Open)\n body: \n (BraceGroup\n left: (Token id:Id.Lit_LBrace length:1 col:7 line:...0x7fc06bfb8310)\n children: [\n (command.VarDecl\n keyword: \n (Token\n id: Id.KW_Var\n length: 3\n col: 2\n line: \n (SourceLine\n line_num: 2\n content: " var result = {}\\n"\n src: ...0x7fc06bcae368\n )\n )\n lhs: [\n (NameType\n left: (Token id:Id.Expr_Name length:6 col:6 line:...0x7fc06bfb8368)\n name: result\n )\n ]\n rhs: \n (expr.Dict\n left: (Token id:Id.Op_LBrace length:1 col:15 line:...0x7fc06bfb8368)\n keys: []\n values: []\n )\n )\n (command.ForEach\n keyword: \n (Token\n id: Id.KW_For\n length: 3\n col: 2\n line: \n (SourceLine\n line_num: 3\n content: " for param in a b {\\n"\n src: ...0x7fc06bcae368\n )\n )\n iter_names: [param]\n iterable: \n (for_iter.Words\n words: [\n (CompoundWord\n parts: [\n (Token\n id: Id.Lit_Chars\n length: 1\n col: 15\n line: ...0x7fc06bfb84c8\n tval: a\n )\n ]\n )\n (CompoundWord\n parts: [\n (Token\n id: Id.Lit_Chars\n length: 1\n col: 17\n line: ...0x7fc06bfb84c8\n tval: b\n )\n ]\n )\n ]\n )\n body: \n (BraceGroup\n left: (Token id:Id.Lit_LBrace length:1 col:19 line:...0x7fc06bfb84c8)\n children: [\n (command.VarDecl\n keyword: \n (Token\n id: Id.KW_Var\n length: 3\n col: 4\n line: \n (SourceLine\n line_num: 4\n content: " var s = \\"\\"\\"\\n"\n src: ...0x7fc06bcae368\n )\n )\n lhs: [\n (NameType\n left: (Token id:Id.Expr_Name length:1 col:8 line:...0x7fc06bfb8520)\n name: s\n )\n ]\n rhs: \n (DoubleQuoted\n left: \n (Token\n id: Id.Left_TDoubleQuote\n length: 3\n col: 12\n line: ...0x7fc06bfb8520\n )\n parts: [\n (Token\n id: Id.Lit_CharsWithoutPrefix\n length: 10\n col: 4\n line: \n (SourceLine\n line_num: 5\n content: " proc echo_$param(prefix) {\\n"\n src: ...0x7fc06bcae368\n )\n tval: "proc echo_"\n )\n (SimpleVarSub\n tok: \n (Token\n id: Id.VSub_DollarName\n length: 6\n col: 14\n line: ...0x7fc06bfb8578\n tval: param\n )\n )\n (Token\n id: Id.Lit_Chars\n length: 11\n col: 20\n line: ...0x7fc06bfb8578\n tval: "(prefix) {\\n"\n )\n (Token\n id: Id.Lit_CharsWithoutPrefix\n length: 7\n col: 4\n line: \n (SourceLine\n line_num: 6\n content: " echo \\\\$prefix $param\\n"\n src: ...0x7fc06bcae368\n )\n tval: " echo "\n )\n (word_part.EscapedLiteral\n token: \n (Token\n id: Id.Lit_EscapedChar\n length: 2\n col: 11\n line: ...0x7fc06bfb85d0\n )\n ch: "$"\n )\n (Token\n id: Id.Lit_Chars\n length: 7\n col: 13\n line: ...0x7fc06bfb85d0\n tval: "prefix "\n )\n (SimpleVarSub\n tok: \n (Token\n id: Id.VSub_DollarName\n length: 6\n col: 20\n line: ...0x7fc06bfb85d0\n tval: param\n )\n )\n (Token\n id: Id.Lit_Chars\n length: 1\n col: 26\n line: ...0x7fc06bfb85d0\n tval: "\\n"\n )\n (Token\n id: Id.Lit_CharsWithoutPrefix\n length: 2\n col: 4\n line: \n (SourceLine\n line_num: 7\n content: " }\\n"\n src: ...0x7fc06bcae368\n )\n tval: "}\\n"\n )\n ]\n right: \n (Token\n id: Id.Right_DoubleQuote\n length: 1\n col: 6\n line: \n (SourceLine\n line_num: 8\n content: " \\"\\"\\"\\n"\n src: ...0x7fc06bcae368\n )\n )\n )\n )\n (command.VarDecl\n keyword: (Token id:Id.KW_Var length:3 col:4 line:...0x7fc06bfb87e0)\n lhs: [\n (NameType\n left: (Token id:Id.Expr_Name length:3 col:8 line:...0x7fc06bfb87e0)\n name: cmd\n )\n ]\n rhs: \n (expr.FuncCall\n func: \n (expr.Var\n left: \n (Token\n id: Id.Expr_Name\n length: 12\n col: 14\n line: ...0x7fc06bfb87e0\n )\n name: parseCommand\n )\n args: \n (ArgList\n left: ...0x7fc06bc42188\n pos_args: [\n (expr.Var\n left: \n (Token\n id: Id.Expr_Name\n length: 1\n col: 27\n line: ...0x7fc06bfb87e0\n )\n name: s\n )\n ]\n named_args: []\n right: \n (Token\n id: Id.Op_RParen\n length: 1\n col: 28\n line: ...0x7fc06bfb87e0\n )\n )\n )\n )\n (command.Simple\n blame_tok: \n (Token\n id: Id.Lit_Chars\n length: 2\n col: 4\n line: \n (SourceLine\n line_num: 10\n content: " pp asdl_ (cmd)\\n"\n src: ...0x7fc06bcae368\n )\n tval: pp\n )\n more_env: []\n words: [\n (CompoundWord parts:[...0x7fc06bc421f0])\n (CompoundWord\n parts: [\n (Token\n id: Id.Lit_Chars\n length: 5\n col: 7\n line: ...0x7fc06bfb88e8\n tval: asdl_\n )\n ]\n )\n ]\n typed_args: \n (ArgList\n left: (Token id:Id.Op_LParen length:1 col:13 line:...0x7fc06bfb88e8)\n pos_args: [\n (expr.Var\n left: \n (Token\n id: Id.Expr_Name\n length: 3\n col: 14\n line: ...0x7fc06bfb88e8\n )\n name: cmd\n )\n ]\n named_args: []\n right: (Token id:Id.Op_RParen length:1 col:17 line:...0x7fc06bfb88e8)\n )\n is_last_cmd: F\n )\n (command.Expr\n keyword: \n (Token\n id: Id.KW_Call\n length: 4\n col: 4\n line: \n (SourceLine\n line_num: 13\n content: " call io->eval(cmd)\\n"\n src: ...0x7fc06bcae368\n )\n )\n e: \n (expr.FuncCall\n func: \n (Attribute\n obj: \n (expr.Var\n left: \n (Token\n id: Id.Expr_Name\n length: 2\n col: 9\n line: ...0x7fc06bfb89f0\n )\n name: io\n )\n op: \n (Token\n id: Id.Expr_RArrow\n length: 2\n col: 11\n line: ...0x7fc06bfb89f0\n )\n attr: \n (Token\n id: Id.Expr_Name\n length: 4\n col: 13\n line: ...0x7fc06bfb89f0\n )\n attr_name: eval\n ctx: expr_context.Store\n )\n args: \n (ArgList\n left: \n (Token\n id: Id.Op_LParen\n length: 1\n col: 17\n line: ...0x7fc06bfb89f0\n )\n pos_args: [\n (expr.Var\n left: \n (Token\n id: Id.Expr_Name\n length: 3\n col: 18\n line: ...0x7fc06bfb89f0\n )\n name: cmd\n )\n ]\n named_args: []\n right: \n (Token\n id: Id.Op_RParen\n length: 1\n col: 21\n line: ...0x7fc06bfb89f0\n )\n )\n )\n )\n (command.Simple\n blame_tok: \n (Token\n id: Id.Lit_Chars\n length: 6\n col: 4\n line: \n (SourceLine\n line_num: 15\n content: " echo_a zz\\n"\n src: ...0x7fc06bcae368\n )\n )\n more_env: []\n words: [\n (CompoundWord parts:[...0x7fc06bc42a78])\n (CompoundWord\n parts: [(Token id:Id.Lit_Chars length:2 col:11 line:...0x7fc06bfb8aa0)]\n )\n ]\n is_last_cmd: F\n )\n ]\n right: \n (Token\n id: Id.Lit_RBrace\n length: 1\n col: 2\n line: (SourceLine line_num:16 content:" }\\n" src:...0x7fc06bcae368)\n )\n )\n )\n (command.Simple\n blame_tok: \n (Token\n id: Id.Lit_Chars\n length: 6\n col: 2\n line: \n (SourceLine\n line_num: 18\n content: " echo_a prefix\\n"\n src: ...0x7fc06bcae368\n )\n )\n more_env: []\n words: [\n (CompoundWord parts:[...0x7fc06bf89e88])\n (CompoundWord\n parts: [(Token id:Id.Lit_Chars length:6 col:9 line:...0x7fc06bfb8ba8)]\n )\n ]\n is_last_cmd: F\n )\n (command.Simple\n blame_tok: \n (Token\n id: Id.Lit_Chars\n length: 6\n col: 2\n line: \n (SourceLine\n line_num: 19\n content: " echo_b prefix\\n"\n src: ...0x7fc06bcae368\n )\n )\n more_env: []\n words: [\n (CompoundWord parts:[...0x7fc06bc42f58])\n (CompoundWord\n parts: [(Token id:Id.Lit_Chars length:6 col:9 line:...0x7fc06bfb8c00)]\n )\n ]\n is_last_cmd: F\n )\n ]\n right: \n (Token\n id: Id.Lit_RBrace\n length: 1\n col: 0\n line: (SourceLine line_num:20 content:"}\\n" src:...0x7fc06bcae368)\n )\n )\n sh_compat: F\n module_frame: [\n Dict\n ARGV\n ...0x7fc06bfa9770\n UID\n ...0x7fc06bfa97d0\n EUID\n ...0x7fc06bfa9830\n PPID\n ...0x7fc06bfa9890\n OPTIND\n ...0x7fc06bfa98f0\n IFS\n ...0x7fc06bfa9950\n HOSTNAME\n ...0x7fc06bfa99b0\n OSTYPE\n ...0x7fc06bfa9a10\n PS4\n ...0x7fc06bfa9a70\n COMP_WORDBREAKS\n ...0x7fc06bfa9ad0\n TMP\n ...0x7fc06bfa9b30\n REPO_ROOT\n ...0x7fc06bfa9b90\n PYTHONPATH\n ...0x7fc06bfa9bf0\n PWD\n ...0x7fc06bfa9c50\n SH\n ...0x7fc06bfa9cb0\n LC_ALL\n ...0x7fc06bfa9d10\n PATH\n ...0x7fc06bfa9d70\n LOCALE_ARCHIVE\n ...0x7fc06bfa9dd0\n OILS_GC_ON_EXIT\n ...0x7fc06bfa9e30\n SHELLOPTS\n ...0x7fc06bfa9e90\n YSH_HISTFILE\n ...0x7fc06bfa9ef0\n p\n ...0x7fc06bc4c0b0\n ]\n )\n )\n ]\n)\n'

stdout:
(value.Command
  frag: 
    (cmd_frag.Expr
      c: 
        (Proc
          keyword: 
            (Token
              id: Id.KW_Proc
              length: 4
              col: 0
              line: 
                (SourceLine
                  line_num: 1
                  content: "proc echo_a(prefix) {\n"
                  src: 
                    (source.Dynamic
                      what: "parseCommand()"
                      location: 
                        (Token
                          id: Id.Op_LParen
                          length: 1
                          col: 26
                          line: 
                            (SourceLine
                              line_num: 9
                              content: "    var cmd = parseCommand(s)\n"
                              src: (source.Stdin comment:"")
                            )
                        )
                    )
                )
            )
          name: (Token id:Id.Lit_Chars length:6 col:5 line:...0x7fc06bfb8b50)
          sig: 
            (proc_sig.Closed
              word: 
                (ParamGroup
                  params: [
                    (Param
                      blame_tok: (Token id:Id.Expr_Name length:6 col:12 line:...0x7fc06bfb8b50)
                      name: prefix
                    )
                  ]
                )
            )
          body: 
            (BraceGroup
              left: (Token id:Id.Lit_LBrace length:1 col:20 line:...0x7fc06bfb8b50)
              children: [
                (command.Simple
                  blame_tok: 
                    (Token
                      id: Id.Lit_Chars
                      length: 4
                      col: 2
                      line: 
                        (SourceLine
                          line_num: 2
                          content: "  echo $prefix a\n"
                          src: ...0x7fc06bc511e0
                        )
                    )
                  more_env: []
                  words: [
                    (CompoundWord parts:[...0x7fc06bc4b598])
                    (CompoundWord
                      parts: [
                        (SimpleVarSub
                          tok: (Token id:Id.VSub_DollarName length:7 col:7 line:...0x7fc06bfb8cb0)
                        )
                      ]
                    )
                    (CompoundWord
                      parts: [(Token id:Id.Lit_Chars length:1 col:15 line:...0x7fc06bfb8cb0)]
                    )
                  ]
                  is_last_cmd: F
                )
              ]
              right: 
                (Token
                  id: Id.Lit_RBrace
                  length: 1
                  col: 0
                  line: (SourceLine line_num:3 content:"}\n" src:...0x7fc06bc511e0)
                )
            )
        )
    )
  captured_frame: [
    Dict
    ARGV
    (Cell exported:F readonly:F nameref:F val:(value.List items:[]))
    result
    (Cell exported:F readonly:F nameref:F val:(value.Dict d:[Dict]))
    param
    (Cell exported:F readonly:F nameref:F val:(value.Str s:a))
    s
    (Cell
      exported: F
      readonly: F
      nameref: F
      val: (value.Str s:"proc echo_a(prefix) {\n  echo $prefix a\n}\n")
    )
    cmd
    (Cell exported:F readonly:F nameref:F val:...0x7fc06bfb8d08)
  ]
  module_frame: [
    Dict
    ARGV
    (Cell exported:F readonly:F nameref:F val:(value.List items:[]))
    UID
    (Cell exported:F readonly:F nameref:F val:(value.Str s:1000))
    EUID
    (Cell exported:F readonly:F nameref:F val:(value.Str s:1000))
    PPID
    (Cell exported:F readonly:F nameref:F val:(value.Str s:43098))
    OPTIND
    (Cell exported:F readonly:F nameref:F val:(value.Str s:1))
    IFS
    (Cell exported:F readonly:F nameref:F val:(value.Str s:" \t\n"))
    HOSTNAME
    (Cell exported:F readonly:F nameref:F val:(value.Str s:700012b7641e))
    OSTYPE
    (Cell exported:F readonly:F nameref:F val:(value.Str s:linux))
    PS4
    (Cell
      exported: F
      readonly: F
      nameref: F
      val: (value.Str s:"${SHX_indent}${SHX_punct}${SHX_pid_str} ")
    )
    COMP_WORDBREAKS
    (Cell exported:F readonly:F nameref:F val:(value.Str s:" \t\n\"'><=;|&(:"))
    TMP
    (Cell
      exported: T
      readonly: F
      nameref: F
      val: (value.Str s:/home/uke/oil/_tmp/spec-tmp/ysh-proc-meta.test.sh.43092/03-ysh)
    )
    REPO_ROOT
    (Cell exported:T readonly:F nameref:F val:(value.Str s:/home/uke/oil))
    PYTHONPATH
    (Cell exported:T readonly:F nameref:F val:(value.Str s:"/home/uke/oil:/home/uke/oil/vendor"))
    PWD
    (Cell
      exported: T
      readonly: F
      nameref: F
      val: (value.Str s:/home/uke/oil/_tmp/spec-tmp/ysh-proc-meta.test.sh.43092/03-ysh)
    )
    SH
    (Cell exported:T readonly:F nameref:F val:(value.Str s:/home/uke/oil/bin/ysh))
    LC_ALL
    (Cell exported:T readonly:F nameref:F val:(value.Str s:C.UTF-8))
    PATH
    (Cell
      exported: T
      readonly: F
      nameref: F
      val: 
        (value.Str
          s: 
"/home/uke/oil/test/../spec/bin:/home/uke/wedge/oils-for-unix.org/pkg/yash/2.49/bin:/home/uke/wedge/oils-for-unix.org/pkg/busybox/1.35.0:/home/uke/wedge/oils-for-unix.org/pkg/zsh/5.1.1/bin:/home/uke/wedge/oils-for-unix.org/pkg/mksh/R52c:/home/uke/wedge/oils-for-unix.org/pkg/dash/0.5.10.2/bin:/home/uke/wedge/oils-for-unix.org/pkg/bash/5.2.21/bin:/home/uke/wedge/oils-for-unix.org/pkg/bash/4.4/bin:/wedge/oils-for-unix.org/pkg/re2c/3.0/bin:/wedge/oils-for-unix.org/pkg/python3/3.10.4/bin:/home/uke/wedge/oils-for-unix.org/pkg/yash/2.49/bin:/home/uke/wedge/oils-for-unix.org/pkg/busybox/1.35.0:/home/uke/wedge/oils-for-unix.org/pkg/zsh/5.1.1/bin:/home/uke/wedge/oils-for-unix.org/pkg/mksh/R52c:/home/uke/wedge/oils-for-unix.org/pkg/dash/0.5.10.2/bin:/home/uke/wedge/oils-for-unix.org/pkg/bash/5.2.21/bin:/home/uke/wedge/oils-for-unix.org/pkg/bash/4.4/bin:/wedge/oils-for-unix.org/pkg/re2c/3.0/bin:/wedge/oils-for-unix.org/pkg/python3/3.10.4/bin:/home/uke/wedge/oils-for-unix.org/pkg/yash/2.49/bin:/home/uke/wedge/oils-for-unix.org/pkg/busybox/1.35.0:/home/uke/wedge/oils-for-unix.org/pkg/zsh/5.1.1/bin:/home/uke/wedge/oils-for-unix.org/pkg/mksh/R52c:/home/uke/wedge/oils-for-unix.org/pkg/dash/0.5.10.2/bin:/home/uke/wedge/oils-for-unix.org/pkg/bash/5.2.21/bin:/home/uke/wedge/oils-for-unix.org/pkg/bash/4.4/bin:/wedge/oils-for-unix.org/pkg/re2c/3.0/bin:/wedge/oils-for-unix.org/pkg/python3/3.10.4/bin:/home/uke/wedge/oils-for-unix.org/pkg/yash/2.49/bin:/home/uke/wedge/oils-for-unix.org/pkg/busybox/1.35.0:/home/uke/wedge/oils-for-unix.org/pkg/zsh/5.1.1/bin:/home/uke/wedge/oils-for-unix.org/pkg/mksh/R52c:/home/uke/wedge/oils-for-unix.org/pkg/dash/0.5.10.2/bin:/home/uke/wedge/oils-for-unix.org/pkg/bash/5.2.21/bin:/home/uke/wedge/oils-for-unix.org/pkg/bash/4.4/bin:/wedge/oils-for-unix.org/pkg/re2c/3.0/bin:/wedge/oils-for-unix.org/pkg/python3/3.10.4/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
        )
    )
    LOCALE_ARCHIVE
    (Cell exported:T readonly:F nameref:F val:(value.Str s:""))
    OILS_GC_ON_EXIT
    (Cell exported:T readonly:F nameref:F val:(value.Str s:""))
    SHELLOPTS
    (Cell exported:F readonly:T nameref:F val:(value.Str s:""))
    YSH_HISTFILE
    (Cell
      exported: F
      readonly: F
      nameref: F
      val: (value.Str s:/home/uke/.local/share/oils/ysh_history)
    )
    p
    (Cell
      exported: F
      readonly: F
      nameref: F
      val: 
        (value.Proc
          name: p
          name_tok: 
            (Token
              id: Id.Lit_Chars
              length: 1
              col: 5
              line: (SourceLine line_num:1 content:"proc p {\n" src:...0x7fc06bcae368)
            )
          sig: (proc_sig__Open)
          body: 
            (BraceGroup
              left: (Token id:Id.Lit_LBrace length:1 col:7 line:...0x7fc06bfb8310)
              children: [
                (command.VarDecl
                  keyword: 
                    (Token
                      id: Id.KW_Var
                      length: 3
                      col: 2
                      line: 
                        (SourceLine
                          line_num: 2
                          content: "  var result = {}\n"
                          src: ...0x7fc06bcae368
                        )
                    )
                  lhs: [
                    (NameType
                      left: (Token id:Id.Expr_Name length:6 col:6 line:...0x7fc06bfb8368)
                      name: result
                    )
                  ]
                  rhs: 
                    (expr.Dict
                      left: (Token id:Id.Op_LBrace length:1 col:15 line:...0x7fc06bfb8368)
                      keys: []
                      values: []
                    )
                )
                (command.ForEach
                  keyword: 
                    (Token
                      id: Id.KW_For
                      length: 3
                      col: 2
                      line: 
                        (SourceLine
                          line_num: 3
                          content: "  for param in a b {\n"
                          src: ...0x7fc06bcae368
                        )
                    )
                  iter_names: [param]
                  iterable: 
                    (for_iter.Words
                      words: [
                        (CompoundWord
                          parts: [
                            (Token
                              id: Id.Lit_Chars
                              length: 1
                              col: 15
                              line: ...0x7fc06bfb84c8
                              tval: a
                            )
                          ]
                        )
                        (CompoundWord
                          parts: [
                            (Token
                              id: Id.Lit_Chars
                              length: 1
                              col: 17
                              line: ...0x7fc06bfb84c8
                              tval: b
                            )
                          ]
                        )
                      ]
                    )
                  body: 
                    (BraceGroup
                      left: (Token id:Id.Lit_LBrace length:1 col:19 line:...0x7fc06bfb84c8)
                      children: [
                        (command.VarDecl
                          keyword: 
                            (Token
                              id: Id.KW_Var
                              length: 3
                              col: 4
                              line: 
                                (SourceLine
                                  line_num: 4
                                  content: "    var s = \"\"\"\n"
                                  src: ...0x7fc06bcae368
                                )
                            )
                          lhs: [
                            (NameType
                              left: (Token id:Id.Expr_Name length:1 col:8 line:...0x7fc06bfb8520)
                              name: s
                            )
                          ]
                          rhs: 
                            (DoubleQuoted
                              left: 
                                (Token
                                  id: Id.Left_TDoubleQuote
                                  length: 3
                                  col: 12
                                  line: ...0x7fc06bfb8520
                                )
                              parts: [
                                (Token
                                  id: Id.Lit_CharsWithoutPrefix
                                  length: 10
                                  col: 4
                                  line: 
                                    (SourceLine
                                      line_num: 5
                                      content: "    proc echo_$param(prefix) {\n"
                                      src: ...0x7fc06bcae368
                                    )
                                  tval: "proc echo_"
                                )
                                (SimpleVarSub
                                  tok: 
                                    (Token
                                      id: Id.VSub_DollarName
                                      length: 6
                                      col: 14
                                      line: ...0x7fc06bfb8578
                                      tval: param
                                    )
                                )
                                (Token
                                  id: Id.Lit_Chars
                                  length: 11
                                  col: 20
                                  line: ...0x7fc06bfb8578
                                  tval: "(prefix) {\n"
                                )
                                (Token
                                  id: Id.Lit_CharsWithoutPrefix
                                  length: 7
                                  col: 4
                                  line: 
                                    (SourceLine
                                      line_num: 6
                                      content: "      echo \\$prefix $param\n"
                                      src: ...0x7fc06bcae368
                                    )
                                  tval: "  echo "
                                )
                                (word_part.EscapedLiteral
                                  token: 
                                    (Token
                                      id: Id.Lit_EscapedChar
                                      length: 2
                                      col: 11
                                      line: ...0x7fc06bfb85d0
                                    )
                                  ch: "$"
                                )
                                (Token
                                  id: Id.Lit_Chars
                                  length: 7
                                  col: 13
                                  line: ...0x7fc06bfb85d0
                                  tval: "prefix "
                                )
                                (SimpleVarSub
                                  tok: 
                                    (Token
                                      id: Id.VSub_DollarName
                                      length: 6
                                      col: 20
                                      line: ...0x7fc06bfb85d0
                                      tval: param
                                    )
                                )
                                (Token
                                  id: Id.Lit_Chars
                                  length: 1
                                  col: 26
                                  line: ...0x7fc06bfb85d0
                                  tval: "\n"
                                )
                                (Token
                                  id: Id.Lit_CharsWithoutPrefix
                                  length: 2
                                  col: 4
                                  line: 
                                    (SourceLine
                                      line_num: 7
                                      content: "    }\n"
                                      src: ...0x7fc06bcae368
                                    )
                                  tval: "}\n"
                                )
                              ]
                              right: 
                                (Token
                                  id: Id.Right_DoubleQuote
                                  length: 1
                                  col: 6
                                  line: 
                                    (SourceLine
                                      line_num: 8
                                      content: "    \"\"\"\n"
                                      src: ...0x7fc06bcae368
                                    )
                                )
                            )
                        )
                        (command.VarDecl
                          keyword: (Token id:Id.KW_Var length:3 col:4 line:...0x7fc06bfb87e0)
                          lhs: [
                            (NameType
                              left: (Token id:Id.Expr_Name length:3 col:8 line:...0x7fc06bfb87e0)
                              name: cmd
                            )
                          ]
                          rhs: 
                            (expr.FuncCall
                              func: 
                                (expr.Var
                                  left: 
                                    (Token
                                      id: Id.Expr_Name
                                      length: 12
                                      col: 14
                                      line: ...0x7fc06bfb87e0
                                    )
                                  name: parseCommand
                                )
                              args: 
                                (ArgList
                                  left: ...0x7fc06bc42188
                                  pos_args: [
                                    (expr.Var
                                      left: 
                                        (Token
                                          id: Id.Expr_Name
                                          length: 1
                                          col: 27
                                          line: ...0x7fc06bfb87e0
                                        )
                                      name: s
                                    )
                                  ]
                                  named_args: []
                                  right: 
                                    (Token
                                      id: Id.Op_RParen
                                      length: 1
                                      col: 28
                                      line: ...0x7fc06bfb87e0
                                    )
                                )
                            )
                        )
                        (command.Simple
                          blame_tok: 
                            (Token
                              id: Id.Lit_Chars
                              length: 2
                              col: 4
                              line: 
                                (SourceLine
                                  line_num: 10
                                  content: "    pp asdl_ (cmd)\n"
                                  src: ...0x7fc06bcae368
                                )
                              tval: pp
                            )
                          more_env: []
                          words: [
                            (CompoundWord parts:[...0x7fc06bc421f0])
                            (CompoundWord
                              parts: [
                                (Token
                                  id: Id.Lit_Chars
                                  length: 5
                                  col: 7
                                  line: ...0x7fc06bfb88e8
                                  tval: asdl_
                                )
                              ]
                            )
                          ]
                          typed_args: 
                            (ArgList
                              left: (Token id:Id.Op_LParen length:1 col:13 line:...0x7fc06bfb88e8)
                              pos_args: [
                                (expr.Var
                                  left: 
                                    (Token
                                      id: Id.Expr_Name
                                      length: 3
                                      col: 14
                                      line: ...0x7fc06bfb88e8
                                    )
                                  name: cmd
                                )
                              ]
                              named_args: []
                              right: (Token id:Id.Op_RParen length:1 col:17 line:...0x7fc06bfb88e8)
                            )
                          is_last_cmd: F
                        )
                        (command.Expr
                          keyword: 
                            (Token
                              id: Id.KW_Call
                              length: 4
                              col: 4
                              line: 
                                (SourceLine
                                  line_num: 13
                                  content: "    call io->eval(cmd)\n"
                                  src: ...0x7fc06bcae368
                                )
                            )
                          e: 
                            (expr.FuncCall
                              func: 
                                (Attribute
                                  obj: 
                                    (expr.Var
                                      left: 
                                        (Token
                                          id: Id.Expr_Name
                                          length: 2
                                          col: 9
                                          line: ...0x7fc06bfb89f0
                                        )
                                      name: io
                                    )
                                  op: 
                                    (Token
                                      id: Id.Expr_RArrow
                                      length: 2
                                      col: 11
                                      line: ...0x7fc06bfb89f0
                                    )
                                  attr: 
                                    (Token
                                      id: Id.Expr_Name
                                      length: 4
                                      col: 13
                                      line: ...0x7fc06bfb89f0
                                    )
                                  attr_name: eval
                                  ctx: expr_context.Store
                                )
                              args: 
                                (ArgList
                                  left: 
                                    (Token
                                      id: Id.Op_LParen
                                      length: 1
                                      col: 17
                                      line: ...0x7fc06bfb89f0
                                    )
                                  pos_args: [
                                    (expr.Var
                                      left: 
                                        (Token
                                          id: Id.Expr_Name
                                          length: 3
                                          col: 18
                                          line: ...0x7fc06bfb89f0
                                        )
                                      name: cmd
                                    )
                                  ]
                                  named_args: []
                                  right: 
                                    (Token
                                      id: Id.Op_RParen
                                      length: 1
                                      col: 21
                                      line: ...0x7fc06bfb89f0
                                    )
                                )
                            )
                        )
                        (command.Simple
                          blame_tok: 
                            (Token
                              id: Id.Lit_Chars
                              length: 6
                              col: 4
                              line: 
                                (SourceLine
                                  line_num: 15
                                  content: "    echo_a zz\n"
                                  src: ...0x7fc06bcae368
                                )
                            )
                          more_env: []
                          words: [
                            (CompoundWord parts:[...0x7fc06bc42a78])
                            (CompoundWord
                              parts: [(Token id:Id.Lit_Chars length:2 col:11 line:...0x7fc06bfb8aa0)]
                            )
                          ]
                          is_last_cmd: F
                        )
                      ]
                      right: 
                        (Token
                          id: Id.Lit_RBrace
                          length: 1
                          col: 2
                          line: (SourceLine line_num:16 content:"  }\n" src:...0x7fc06bcae368)
                        )
                    )
                )
                (command.Simple
                  blame_tok: 
                    (Token
                      id: Id.Lit_Chars
                      length: 6
                      col: 2
                      line: 
                        (SourceLine
                          line_num: 18
                          content: "  echo_a prefix\n"
                          src: ...0x7fc06bcae368
                        )
                    )
                  more_env: []
                  words: [
                    (CompoundWord parts:[...0x7fc06bf89e88])
                    (CompoundWord
                      parts: [(Token id:Id.Lit_Chars length:6 col:9 line:...0x7fc06bfb8ba8)]
                    )
                  ]
                  is_last_cmd: F
                )
                (command.Simple
                  blame_tok: 
                    (Token
                      id: Id.Lit_Chars
                      length: 6
                      col: 2
                      line: 
                        (SourceLine
                          line_num: 19
                          content: "  echo_b prefix\n"
                          src: ...0x7fc06bcae368
                        )
                    )
                  more_env: []
                  words: [
                    (CompoundWord parts:[...0x7fc06bc42f58])
                    (CompoundWord
                      parts: [(Token id:Id.Lit_Chars length:6 col:9 line:...0x7fc06bfb8c00)]
                    )
                  ]
                  is_last_cmd: F
                )
              ]
              right: 
                (Token
                  id: Id.Lit_RBrace
                  length: 1
                  col: 0
                  line: (SourceLine line_num:20 content:"}\n" src:...0x7fc06bcae368)
                )
            )
          sh_compat: F
          module_frame: [
            Dict
            ARGV
            ...0x7fc06bfa9770
            UID
            ...0x7fc06bfa97d0
            EUID
            ...0x7fc06bfa9830
            PPID
            ...0x7fc06bfa9890
            OPTIND
            ...0x7fc06bfa98f0
            IFS
            ...0x7fc06bfa9950
            HOSTNAME
            ...0x7fc06bfa99b0
            OSTYPE
            ...0x7fc06bfa9a10
            PS4
            ...0x7fc06bfa9a70
            COMP_WORDBREAKS
            ...0x7fc06bfa9ad0
            TMP
            ...0x7fc06bfa9b30
            REPO_ROOT
            ...0x7fc06bfa9b90
            PYTHONPATH
            ...0x7fc06bfa9bf0
            PWD
            ...0x7fc06bfa9c50
            SH
            ...0x7fc06bfa9cb0
            LC_ALL
            ...0x7fc06bfa9d10
            PATH
            ...0x7fc06bfa9d70
            LOCALE_ARCHIVE
            ...0x7fc06bfa9dd0
            OILS_GC_ON_EXIT
            ...0x7fc06bfa9e30
            SHELLOPTS
            ...0x7fc06bfa9e90
            YSH_HISTFILE
            ...0x7fc06bfa9ef0
            p
            ...0x7fc06bc4c0b0
          ]
        )
    )
  ]
)
stderr:
      echo_a zz
      ^~~~~~
[ stdin ]:15: 'echo_a' not found (OILS-ERR-100)
[ stdin ]:15: errexit PID 43111: command.Simple failed with status 127
ysh_ALT3 with parseCommand() then io->eval(), in local scope

[ysh_ALT stdout] Expected 'prefix a\nprefix b\n', got '(value.Command\n frag: \n (cmd_frag.Expr\n c: \n (Proc\n keyword: \n (Token\n id: Id.KW_Proc\n length: 4\n col: 0\n line: \n (SourceLine\n line_num: 1\n content: "proc echo_a(prefix) {\\n"\n src: \n (source.Dynamic\n what: "parseCommand()"\n location: \n (Token\n id: Id.Op_LParen\n length: 1\n col: 26\n line: \n (SourceLine\n line_num: 9\n content: " var cmd = parseCommand(s)\\n"\n src: (source.Stdin comment:"")\n )\n )\n )\n )\n )\n name: (Token id:Id.Lit_Chars length:6 col:5 line:...0x7fef03017138)\n sig: \n (proc_sig.Closed\n word: \n (ParamGroup\n params: [\n (Param\n blame_tok: (Token id:Id.Expr_Name length:6 col:12 line:...0x7fef03017138)\n name: prefix\n )\n ]\n )\n )\n body: \n (BraceGroup\n left: (Token id:Id.Lit_LBrace length:1 col:20 line:...0x7fef03017138)\n children: [\n (command.Simple\n blame_tok: \n (Token\n id: Id.Lit_Chars\n length: 4\n col: 2\n line: \n (SourceLine\n line_num: 2\n content: " echo $prefix a\\n"\n src: ...0x7fef03067c18\n )\n )\n more_env: []\n words: [\n (CompoundWord parts:[...0x7fef0301a2e8])\n (CompoundWord\n parts: [\n (SimpleVarSub\n tok: (Token id:Id.VSub_DollarName length:7 col:7 line:...0x7fef03017278)\n )\n ]\n )\n (CompoundWord\n parts: [(Token id:Id.Lit_Chars length:1 col:15 line:...0x7fef03017278)]\n )\n ]\n is_last_cmd: F\n )\n ]\n right: \n (Token\n id: Id.Lit_RBrace\n length: 1\n col: 0\n line: (SourceLine line_num:3 content:"}\\n" src:...0x7fef03067c18)\n )\n )\n )\n )\n captured_frame: [\n Dict\n ARGV\n (Cell exported:F readonly:F nameref:F val:(value.List items:[]))\n result\n (Cell exported:F readonly:F nameref:F val:(value.Dict d:[Dict]))\n param\n (Cell exported:F readonly:F nameref:F val:(value.Str s:a))\n s\n (Cell\n exported: F\n readonly: F\n nameref: F\n val: (value.Str s:"proc echo_a(prefix) {\\n echo $prefix a\\n}\\n")\n )\n cmd\n (Cell exported:F readonly:F nameref:F val:...0x7fef030172c8)\n ]\n module_frame: [\n Dict\n ARGV\n (Cell exported:F readonly:F nameref:F val:(value.List items:[]))\n UID\n (Cell exported:F readonly:F nameref:F val:(value.Str s:1000))\n EUID\n (Cell exported:F readonly:F nameref:F val:(value.Str s:1000))\n PPID\n (Cell exported:F readonly:F nameref:F val:(value.Str s:43098))\n OPTIND\n (Cell exported:F readonly:F nameref:F val:(value.Str s:1))\n IFS\n (Cell exported:F readonly:F nameref:F val:(value.Str s:" \\t\\n"))\n HOSTNAME\n (Cell exported:F readonly:F nameref:F val:(value.Str s:700012b7641e))\n OSTYPE\n (Cell exported:F readonly:F nameref:F val:(value.Str s:linux))\n PS4\n (Cell\n exported: F\n readonly: F\n nameref: F\n val: (value.Str s:"${SHX_indent}${SHX_punct}${SHX_pid_str} ")\n )\n COMP_WORDBREAKS\n (Cell exported:F readonly:F nameref:F val:(value.Str s:" \\t\\n\\"\'><=;|&(:"))\n TMP\n (Cell\n exported: T\n readonly: F\n nameref: F\n val: (value.Str s:/home/uke/oil/_tmp/spec-tmp/ysh-proc-meta.test.sh.43092/03-ysh_ALT)\n )\n REPO_ROOT\n (Cell exported:T readonly:F nameref:F val:(value.Str s:/home/uke/oil/test/..))\n SH\n (Cell\n exported: T\n readonly: F\n nameref: F\n val: (value.Str s:/home/uke/oil/_tmp/oil-tar-test/oil-0.23.0/_bin/ysh)\n )\n PATH\n (Cell\n exported: T\n readonly: F\n nameref: F\n val: \n (value.Str\n s: \n"/home/uke/oil/test/../spec/bin:/home/uke/wedge/oils-for-unix.org/pkg/yash/2.49/bin:/home/uke/wedge/oils-for-unix.org/pkg/busybox/1.35.0:/home/uke/wedge/oils-for-unix.org/pkg/zsh/5.1.1/bin:/home/uke/wedge/oils-for-unix.org/pkg/mksh/R52c:/home/uke/wedge/oils-for-unix.org/pkg/dash/0.5.10.2/bin:/home/uke/wedge/oils-for-unix.org/pkg/bash/5.2.21/bin:/home/uke/wedge/oils-for-unix.org/pkg/bash/4.4/bin:/wedge/oils-for-unix.org/pkg/re2c/3.0/bin:/wedge/oils-for-unix.org/pkg/python3/3.10.4/bin:/home/uke/wedge/oils-for-unix.org/pkg/yash/2.49/bin:/home/uke/wedge/oils-for-unix.org/pkg/busybox/1.35.0:/home/uke/wedge/oils-for-unix.org/pkg/zsh/5.1.1/bin:/home/uke/wedge/oils-for-unix.org/pkg/mksh/R52c:/home/uke/wedge/oils-for-unix.org/pkg/dash/0.5.10.2/bin:/home/uke/wedge/oils-for-unix.org/pkg/bash/5.2.21/bin:/home/uke/wedge/oils-for-unix.org/pkg/bash/4.4/bin:/wedge/oils-for-unix.org/pkg/re2c/3.0/bin:/wedge/oils-for-unix.org/pkg/python3/3.10.4/bin:/home/uke/wedge/oils-for-unix.org/pkg/yash/2.49/bin:/home/uke/wedge/oils-for-unix.org/pkg/busybox/1.35.0:/home/uke/wedge/oils-for-unix.org/pkg/zsh/5.1.1/bin:/home/uke/wedge/oils-for-unix.org/pkg/mksh/R52c:/home/uke/wedge/oils-for-unix.org/pkg/dash/0.5.10.2/bin:/home/uke/wedge/oils-for-unix.org/pkg/bash/5.2.21/bin:/home/uke/wedge/oils-for-unix.org/pkg/bash/4.4/bin:/wedge/oils-for-unix.org/pkg/re2c/3.0/bin:/wedge/oils-for-unix.org/pkg/python3/3.10.4/bin:/home/uke/wedge/oils-for-unix.org/pkg/yash/2.49/bin:/home/uke/wedge/oils-for-unix.org/pkg/busybox/1.35.0:/home/uke/wedge/oils-for-unix.org/pkg/zsh/5.1.1/bin:/home/uke/wedge/oils-for-unix.org/pkg/mksh/R52c:/home/uke/wedge/oils-for-unix.org/pkg/dash/0.5.10.2/bin:/home/uke/wedge/oils-for-unix.org/pkg/bash/5.2.21/bin:/home/uke/wedge/oils-for-unix.org/pkg/bash/4.4/bin:/wedge/oils-for-unix.org/pkg/re2c/3.0/bin:/wedge/oils-for-unix.org/pkg/python3/3.10.4/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"\n )\n )\n LC_ALL\n (Cell exported:T readonly:F nameref:F val:(value.Str s:C.UTF-8))\n LOCALE_ARCHIVE\n (Cell exported:T readonly:F nameref:F val:(value.Str s:""))\n OILS_GC_ON_EXIT\n (Cell exported:T readonly:F nameref:F val:(value.Str s:""))\n SHELLOPTS\n (Cell exported:F readonly:T nameref:F val:(value.Str s:""))\n PWD\n (Cell\n exported: T\n readonly: F\n nameref: F\n val: (value.Str s:/home/uke/oil/_tmp/spec-tmp/ysh-proc-meta.test.sh.43092/03-ysh_ALT)\n )\n YSH_HISTFILE\n (Cell\n exported: F\n readonly: F\n nameref: F\n val: (value.Str s:/home/uke/.local/share/oils/ysh_history)\n )\n p\n (Cell\n exported: F\n readonly: F\n nameref: F\n val: \n (value.Proc\n name: p\n name_tok: \n (Token\n id: Id.Lit_Chars\n length: 1\n col: 5\n line: (SourceLine line_num:1 content:"proc p {\\n" src:...0x7fef03080b88)\n )\n sig: (proc_sig__Open)\n body: \n (BraceGroup\n left: (Token id:Id.Lit_LBrace length:1 col:7 line:...0x7fef033b37c8)\n children: [\n (command.VarDecl\n keyword: \n (Token\n id: Id.KW_Var\n length: 3\n col: 2\n line: \n (SourceLine\n line_num: 2\n content: " var result = {}\\n"\n src: ...0x7fef03080b88\n )\n )\n lhs: [\n (NameType\n left: (Token id:Id.Expr_Name length:6 col:6 line:...0x7fef033b39a8)\n name: result\n )\n ]\n rhs: \n (expr.Dict\n left: (Token id:Id.Op_LBrace length:1 col:15 line:...0x7fef033b39a8)\n keys: []\n values: []\n )\n )\n (command.ForEach\n keyword: \n (Token\n id: Id.KW_For\n length: 3\n col: 2\n line: \n (SourceLine\n line_num: 3\n content: " for param in a b {\\n"\n src: ...0x7fef03080b88\n )\n )\n iter_names: [param]\n iterable: \n (for_iter.Words\n words: [\n (CompoundWord\n parts: [\n (Token\n id: Id.Lit_Chars\n length: 1\n col: 15\n line: ...0x7fef033b3ae8\n tval: a\n )\n ]\n )\n (CompoundWord\n parts: [\n (Token\n id: Id.Lit_Chars\n length: 1\n col: 17\n line: ...0x7fef033b3ae8\n tval: b\n )\n ]\n )\n ]\n )\n body: \n (BraceGroup\n left: (Token id:Id.Lit_LBrace length:1 col:19 line:...0x7fef033b3ae8)\n children: [\n (command.VarDecl\n keyword: \n (Token\n id: Id.KW_Var\n length: 3\n col: 4\n line: \n (SourceLine\n line_num: 4\n content: " var s = \\"\\"\\"\\n"\n src: ...0x7fef03080b88\n )\n )\n lhs: [\n (NameType\n left: (Token id:Id.Expr_Name length:1 col:8 line:...0x7fef033b3b38)\n name: s\n )\n ]\n rhs: \n (DoubleQuoted\n left: \n (Token\n id: Id.Left_TDoubleQuote\n length: 3\n col: 12\n line: ...0x7fef033b3b38\n )\n parts: [\n (Token\n id: Id.Lit_CharsWithoutPrefix\n length: 10\n col: 4\n line: \n (SourceLine\n line_num: 5\n content: " proc echo_$param(prefix) {\\n"\n src: ...0x7fef03080b88\n )\n tval: "proc echo_"\n )\n (SimpleVarSub\n tok: \n (Token\n id: Id.VSub_DollarName\n length: 6\n col: 14\n line: ...0x7fef033b3b88\n tval: param\n )\n )\n (Token\n id: Id.Lit_Chars\n length: 11\n col: 20\n line: ...0x7fef033b3b88\n tval: "(prefix) {\\n"\n )\n (Token\n id: Id.Lit_CharsWithoutPrefix\n length: 7\n col: 4\n line: \n (SourceLine\n line_num: 6\n content: " echo \\\\$prefix $param\\n"\n src: ...0x7fef03080b88\n )\n tval: " echo "\n )\n (word_part.EscapedLiteral\n token: \n (Token\n id: Id.Lit_EscapedChar\n length: 2\n col: 11\n line: ...0x7fef033b3bd8\n )\n ch: "$"\n )\n (Token\n id: Id.Lit_Chars\n length: 7\n col: 13\n line: ...0x7fef033b3bd8\n tval: "prefix "\n )\n (SimpleVarSub\n tok: \n (Token\n id: Id.VSub_DollarName\n length: 6\n col: 20\n line: ...0x7fef033b3bd8\n tval: param\n )\n )\n (Token\n id: Id.Lit_Chars\n length: 1\n col: 26\n line: ...0x7fef033b3bd8\n tval: "\\n"\n )\n (Token\n id: Id.Lit_CharsWithoutPrefix\n length: 2\n col: 4\n line: \n (SourceLine\n line_num: 7\n content: " }\\n"\n src: ...0x7fef03080b88\n )\n tval: "}\\n"\n )\n ]\n right: \n (Token\n id: Id.Right_DoubleQuote\n length: 1\n col: 6\n line: \n (SourceLine\n line_num: 8\n content: " \\"\\"\\"\\n"\n src: ...0x7fef03080b88\n )\n )\n )\n )\n (command.VarDecl\n keyword: (Token id:Id.KW_Var length:3 col:4 line:...0x7fef033b3db8)\n lhs: [\n (NameType\n left: (Token id:Id.Expr_Name length:3 col:8 line:...0x7fef033b3db8)\n name: cmd\n )\n ]\n rhs: \n (expr.FuncCall\n func: \n (expr.Var\n left: \n (Token\n id: Id.Expr_Name\n length: 12\n col: 14\n line: ...0x7fef033b3db8\n )\n name: parseCommand\n )\n args: \n (ArgList\n left: ...0x7fef030910a8\n pos_args: [\n (expr.Var\n left: \n (Token\n id: Id.Expr_Name\n length: 1\n col: 27\n line: ...0x7fef033b3db8\n )\n name: s\n )\n ]\n named_args: []\n right: \n (Token\n id: Id.Op_RParen\n length: 1\n col: 28\n line: ...0x7fef033b3db8\n )\n )\n )\n )\n (command.Simple\n blame_tok: \n (Token\n id: Id.Lit_Chars\n length: 2\n col: 4\n line: \n (SourceLine\n line_num: 10\n content: " pp asdl_ (cmd)\\n"\n src: ...0x7fef03080b88\n )\n tval: pp\n )\n more_env: []\n words: [\n (CompoundWord parts:[...0x7fef03091108])\n (CompoundWord\n parts: [\n (Token\n id: Id.Lit_Chars\n length: 5\n col: 7\n line: ...0x7fef033b3ea8\n tval: asdl_\n )\n ]\n )\n ]\n typed_args: \n (ArgList\n left: (Token id:Id.Op_LParen length:1 col:13 line:...0x7fef033b3ea8)\n pos_args: [\n (expr.Var\n left: \n (Token\n id: Id.Expr_Name\n length: 3\n col: 14\n line: ...0x7fef033b3ea8\n )\n name: cmd\n )\n ]\n named_args: []\n right: (Token id:Id.Op_RParen length:1 col:17 line:...0x7fef033b3ea8)\n )\n is_last_cmd: F\n )\n (command.Expr\n keyword: \n (Token\n id: Id.KW_Call\n length: 4\n col: 4\n line: \n (SourceLine\n line_num: 13\n content: " call io->eval(cmd)\\n"\n src: ...0x7fef03080b88\n )\n )\n e: \n (expr.FuncCall\n func: \n (Attribute\n obj: \n (expr.Var\n left: \n (Token\n id: Id.Expr_Name\n length: 2\n col: 9\n line: ...0x7fef033b3f98\n )\n name: io\n )\n op: \n (Token\n id: Id.Expr_RArrow\n length: 2\n col: 11\n line: ...0x7fef033b3f98\n )\n attr: \n (Token\n id: Id.Expr_Name\n length: 4\n col: 13\n line: ...0x7fef033b3f98\n )\n attr_name: eval\n ctx: expr_context.Store\n )\n args: \n (ArgList\n left: \n (Token\n id: Id.Op_LParen\n length: 1\n col: 17\n line: ...0x7fef033b3f98\n )\n pos_args: [\n (expr.Var\n left: \n (Token\n id: Id.Expr_Name\n length: 3\n col: 18\n line: ...0x7fef033b3f98\n )\n name: cmd\n )\n ]\n named_args: []\n right: \n (Token\n id: Id.Op_RParen\n length: 1\n col: 21\n line: ...0x7fef033b3f98\n )\n )\n )\n )\n (command.Simple\n blame_tok: \n (Token\n id: Id.Lit_Chars\n length: 6\n col: 4\n line: \n (SourceLine\n line_num: 15\n content: " echo_a zz\\n"\n src: ...0x7fef03080b88\n )\n )\n more_env: []\n words: [\n (CompoundWord parts:[...0x7fef030918e8])\n (CompoundWord\n parts: [(Token id:Id.Lit_Chars length:2 col:11 line:...0x7fef03017098)]\n )\n ]\n is_last_cmd: F\n )\n ]\n right: \n (Token\n id: Id.Lit_RBrace\n length: 1\n col: 2\n line: (SourceLine line_num:16 content:" }\\n" src:...0x7fef03080b88)\n )\n )\n )\n (command.Simple\n blame_tok: \n (Token\n id: Id.Lit_Chars\n length: 6\n col: 2\n line: \n (SourceLine\n line_num: 18\n content: " echo_a prefix\\n"\n src: ...0x7fef03080b88\n )\n )\n more_env: []\n words: [\n (CompoundWord parts:[...0x7fef03413e28])\n (CompoundWord\n parts: [(Token id:Id.Lit_Chars length:6 col:9 line:...0x7fef03017188)]\n )\n ]\n is_last_cmd: F\n )\n (command.Simple\n blame_tok: \n (Token\n id: Id.Lit_Chars\n length: 6\n col: 2\n line: \n (SourceLine\n line_num: 19\n content: " echo_b prefix\\n"\n src: ...0x7fef03080b88\n )\n )\n more_env: []\n words: [\n (CompoundWord parts:[...0x7fef03091d68])\n (CompoundWord\n parts: [(Token id:Id.Lit_Chars length:6 col:9 line:...0x7fef030171d8)]\n )\n ]\n is_last_cmd: F\n )\n ]\n right: \n (Token\n id: Id.Lit_RBrace\n length: 1\n col: 0\n line: (SourceLine line_num:20 content:"}\\n" src:...0x7fef03080b88)\n )\n )\n sh_compat: F\n module_frame: [\n Dict\n ARGV\n ...0x7fef03a1f0f8\n UID\n ...0x7fef03a1fa40\n EUID\n ...0x7fef03420728\n PPID\n ...0x7fef03420780\n OPTIND\n ...0x7fef034207d8\n IFS\n ...0x7fef03420830\n HOSTNAME\n ...0x7fef03420888\n OSTYPE\n ...0x7fef034208e0\n PS4\n ...0x7fef03420938\n COMP_WORDBREAKS\n ...0x7fef03420990\n TMP\n ...0x7fef034209e8\n REPO_ROOT\n ...0x7fef03420a40\n SH\n ...0x7fef03420a98\n PATH\n ...0x7fef03420af0\n LC_ALL\n ...0x7fef03420b48\n LOCALE_ARCHIVE\n ...0x7fef03420ba0\n OILS_GC_ON_EXIT\n ...0x7fef03420bf8\n SHELLOPTS\n ...0x7fef03420c50\n PWD\n ...0x7fef03420ca8\n YSH_HISTFILE\n ...0x7fef03420d00\n p\n ...0x7fef03420e60\n ]\n )\n )\n ]\n)\n'

stdout:
(value.Command
  frag: 
    (cmd_frag.Expr
      c: 
        (Proc
          keyword: 
            (Token
              id: Id.KW_Proc
              length: 4
              col: 0
              line: 
                (SourceLine
                  line_num: 1
                  content: "proc echo_a(prefix) {\n"
                  src: 
                    (source.Dynamic
                      what: "parseCommand()"
                      location: 
                        (Token
                          id: Id.Op_LParen
                          length: 1
                          col: 26
                          line: 
                            (SourceLine
                              line_num: 9
                              content: "    var cmd = parseCommand(s)\n"
                              src: (source.Stdin comment:"")
                            )
                        )
                    )
                )
            )
          name: (Token id:Id.Lit_Chars length:6 col:5 line:...0x7fef03017138)
          sig: 
            (proc_sig.Closed
              word: 
                (ParamGroup
                  params: [
                    (Param
                      blame_tok: (Token id:Id.Expr_Name length:6 col:12 line:...0x7fef03017138)
                      name: prefix
                    )
                  ]
                )
            )
          body: 
            (BraceGroup
              left: (Token id:Id.Lit_LBrace length:1 col:20 line:...0x7fef03017138)
              children: [
                (command.Simple
                  blame_tok: 
                    (Token
                      id: Id.Lit_Chars
                      length: 4
                      col: 2
                      line: 
                        (SourceLine
                          line_num: 2
                          content: "  echo $prefix a\n"
                          src: ...0x7fef03067c18
                        )
                    )
                  more_env: []
                  words: [
                    (CompoundWord parts:[...0x7fef0301a2e8])
                    (CompoundWord
                      parts: [
                        (SimpleVarSub
                          tok: (Token id:Id.VSub_DollarName length:7 col:7 line:...0x7fef03017278)
                        )
                      ]
                    )
                    (CompoundWord
                      parts: [(Token id:Id.Lit_Chars length:1 col:15 line:...0x7fef03017278)]
                    )
                  ]
                  is_last_cmd: F
                )
              ]
              right: 
                (Token
                  id: Id.Lit_RBrace
                  length: 1
                  col: 0
                  line: (SourceLine line_num:3 content:"}\n" src:...0x7fef03067c18)
                )
            )
        )
    )
  captured_frame: [
    Dict
    ARGV
    (Cell exported:F readonly:F nameref:F val:(value.List items:[]))
    result
    (Cell exported:F readonly:F nameref:F val:(value.Dict d:[Dict]))
    param
    (Cell exported:F readonly:F nameref:F val:(value.Str s:a))
    s
    (Cell
      exported: F
      readonly: F
      nameref: F
      val: (value.Str s:"proc echo_a(prefix) {\n  echo $prefix a\n}\n")
    )
    cmd
    (Cell exported:F readonly:F nameref:F val:...0x7fef030172c8)
  ]
  module_frame: [
    Dict
    ARGV
    (Cell exported:F readonly:F nameref:F val:(value.List items:[]))
    UID
    (Cell exported:F readonly:F nameref:F val:(value.Str s:1000))
    EUID
    (Cell exported:F readonly:F nameref:F val:(value.Str s:1000))
    PPID
    (Cell exported:F readonly:F nameref:F val:(value.Str s:43098))
    OPTIND
    (Cell exported:F readonly:F nameref:F val:(value.Str s:1))
    IFS
    (Cell exported:F readonly:F nameref:F val:(value.Str s:" \t\n"))
    HOSTNAME
    (Cell exported:F readonly:F nameref:F val:(value.Str s:700012b7641e))
    OSTYPE
    (Cell exported:F readonly:F nameref:F val:(value.Str s:linux))
    PS4
    (Cell
      exported: F
      readonly: F
      nameref: F
      val: (value.Str s:"${SHX_indent}${SHX_punct}${SHX_pid_str} ")
    )
    COMP_WORDBREAKS
    (Cell exported:F readonly:F nameref:F val:(value.Str s:" \t\n\"'><=;|&(:"))
    TMP
    (Cell
      exported: T
      readonly: F
      nameref: F
      val: (value.Str s:/home/uke/oil/_tmp/spec-tmp/ysh-proc-meta.test.sh.43092/03-ysh_ALT)
    )
    REPO_ROOT
    (Cell exported:T readonly:F nameref:F val:(value.Str s:/home/uke/oil/test/..))
    SH
    (Cell
      exported: T
      readonly: F
      nameref: F
      val: (value.Str s:/home/uke/oil/_tmp/oil-tar-test/oil-0.23.0/_bin/ysh)
    )
    PATH
    (Cell
      exported: T
      readonly: F
      nameref: F
      val: 
        (value.Str
          s: 
"/home/uke/oil/test/../spec/bin:/home/uke/wedge/oils-for-unix.org/pkg/yash/2.49/bin:/home/uke/wedge/oils-for-unix.org/pkg/busybox/1.35.0:/home/uke/wedge/oils-for-unix.org/pkg/zsh/5.1.1/bin:/home/uke/wedge/oils-for-unix.org/pkg/mksh/R52c:/home/uke/wedge/oils-for-unix.org/pkg/dash/0.5.10.2/bin:/home/uke/wedge/oils-for-unix.org/pkg/bash/5.2.21/bin:/home/uke/wedge/oils-for-unix.org/pkg/bash/4.4/bin:/wedge/oils-for-unix.org/pkg/re2c/3.0/bin:/wedge/oils-for-unix.org/pkg/python3/3.10.4/bin:/home/uke/wedge/oils-for-unix.org/pkg/yash/2.49/bin:/home/uke/wedge/oils-for-unix.org/pkg/busybox/1.35.0:/home/uke/wedge/oils-for-unix.org/pkg/zsh/5.1.1/bin:/home/uke/wedge/oils-for-unix.org/pkg/mksh/R52c:/home/uke/wedge/oils-for-unix.org/pkg/dash/0.5.10.2/bin:/home/uke/wedge/oils-for-unix.org/pkg/bash/5.2.21/bin:/home/uke/wedge/oils-for-unix.org/pkg/bash/4.4/bin:/wedge/oils-for-unix.org/pkg/re2c/3.0/bin:/wedge/oils-for-unix.org/pkg/python3/3.10.4/bin:/home/uke/wedge/oils-for-unix.org/pkg/yash/2.49/bin:/home/uke/wedge/oils-for-unix.org/pkg/busybox/1.35.0:/home/uke/wedge/oils-for-unix.org/pkg/zsh/5.1.1/bin:/home/uke/wedge/oils-for-unix.org/pkg/mksh/R52c:/home/uke/wedge/oils-for-unix.org/pkg/dash/0.5.10.2/bin:/home/uke/wedge/oils-for-unix.org/pkg/bash/5.2.21/bin:/home/uke/wedge/oils-for-unix.org/pkg/bash/4.4/bin:/wedge/oils-for-unix.org/pkg/re2c/3.0/bin:/wedge/oils-for-unix.org/pkg/python3/3.10.4/bin:/home/uke/wedge/oils-for-unix.org/pkg/yash/2.49/bin:/home/uke/wedge/oils-for-unix.org/pkg/busybox/1.35.0:/home/uke/wedge/oils-for-unix.org/pkg/zsh/5.1.1/bin:/home/uke/wedge/oils-for-unix.org/pkg/mksh/R52c:/home/uke/wedge/oils-for-unix.org/pkg/dash/0.5.10.2/bin:/home/uke/wedge/oils-for-unix.org/pkg/bash/5.2.21/bin:/home/uke/wedge/oils-for-unix.org/pkg/bash/4.4/bin:/wedge/oils-for-unix.org/pkg/re2c/3.0/bin:/wedge/oils-for-unix.org/pkg/python3/3.10.4/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
        )
    )
    LC_ALL
    (Cell exported:T readonly:F nameref:F val:(value.Str s:C.UTF-8))
    LOCALE_ARCHIVE
    (Cell exported:T readonly:F nameref:F val:(value.Str s:""))
    OILS_GC_ON_EXIT
    (Cell exported:T readonly:F nameref:F val:(value.Str s:""))
    SHELLOPTS
    (Cell exported:F readonly:T nameref:F val:(value.Str s:""))
    PWD
    (Cell
      exported: T
      readonly: F
      nameref: F
      val: (value.Str s:/home/uke/oil/_tmp/spec-tmp/ysh-proc-meta.test.sh.43092/03-ysh_ALT)
    )
    YSH_HISTFILE
    (Cell
      exported: F
      readonly: F
      nameref: F
      val: (value.Str s:/home/uke/.local/share/oils/ysh_history)
    )
    p
    (Cell
      exported: F
      readonly: F
      nameref: F
      val: 
        (value.Proc
          name: p
          name_tok: 
            (Token
              id: Id.Lit_Chars
              length: 1
              col: 5
              line: (SourceLine line_num:1 content:"proc p {\n" src:...0x7fef03080b88)
            )
          sig: (proc_sig__Open)
          body: 
            (BraceGroup
              left: (Token id:Id.Lit_LBrace length:1 col:7 line:...0x7fef033b37c8)
              children: [
                (command.VarDecl
                  keyword: 
                    (Token
                      id: Id.KW_Var
                      length: 3
                      col: 2
                      line: 
                        (SourceLine
                          line_num: 2
                          content: "  var result = {}\n"
                          src: ...0x7fef03080b88
                        )
                    )
                  lhs: [
                    (NameType
                      left: (Token id:Id.Expr_Name length:6 col:6 line:...0x7fef033b39a8)
                      name: result
                    )
                  ]
                  rhs: 
                    (expr.Dict
                      left: (Token id:Id.Op_LBrace length:1 col:15 line:...0x7fef033b39a8)
                      keys: []
                      values: []
                    )
                )
                (command.ForEach
                  keyword: 
                    (Token
                      id: Id.KW_For
                      length: 3
                      col: 2
                      line: 
                        (SourceLine
                          line_num: 3
                          content: "  for param in a b {\n"
                          src: ...0x7fef03080b88
                        )
                    )
                  iter_names: [param]
                  iterable: 
                    (for_iter.Words
                      words: [
                        (CompoundWord
                          parts: [
                            (Token
                              id: Id.Lit_Chars
                              length: 1
                              col: 15
                              line: ...0x7fef033b3ae8
                              tval: a
                            )
                          ]
                        )
                        (CompoundWord
                          parts: [
                            (Token
                              id: Id.Lit_Chars
                              length: 1
                              col: 17
                              line: ...0x7fef033b3ae8
                              tval: b
                            )
                          ]
                        )
                      ]
                    )
                  body: 
                    (BraceGroup
                      left: (Token id:Id.Lit_LBrace length:1 col:19 line:...0x7fef033b3ae8)
                      children: [
                        (command.VarDecl
                          keyword: 
                            (Token
                              id: Id.KW_Var
                              length: 3
                              col: 4
                              line: 
                                (SourceLine
                                  line_num: 4
                                  content: "    var s = \"\"\"\n"
                                  src: ...0x7fef03080b88
                                )
                            )
                          lhs: [
                            (NameType
                              left: (Token id:Id.Expr_Name length:1 col:8 line:...0x7fef033b3b38)
                              name: s
                            )
                          ]
                          rhs: 
                            (DoubleQuoted
                              left: 
                                (Token
                                  id: Id.Left_TDoubleQuote
                                  length: 3
                                  col: 12
                                  line: ...0x7fef033b3b38
                                )
                              parts: [
                                (Token
                                  id: Id.Lit_CharsWithoutPrefix
                                  length: 10
                                  col: 4
                                  line: 
                                    (SourceLine
                                      line_num: 5
                                      content: "    proc echo_$param(prefix) {\n"
                                      src: ...0x7fef03080b88
                                    )
                                  tval: "proc echo_"
                                )
                                (SimpleVarSub
                                  tok: 
                                    (Token
                                      id: Id.VSub_DollarName
                                      length: 6
                                      col: 14
                                      line: ...0x7fef033b3b88
                                      tval: param
                                    )
                                )
                                (Token
                                  id: Id.Lit_Chars
                                  length: 11
                                  col: 20
                                  line: ...0x7fef033b3b88
                                  tval: "(prefix) {\n"
                                )
                                (Token
                                  id: Id.Lit_CharsWithoutPrefix
                                  length: 7
                                  col: 4
                                  line: 
                                    (SourceLine
                                      line_num: 6
                                      content: "      echo \\$prefix $param\n"
                                      src: ...0x7fef03080b88
                                    )
                                  tval: "  echo "
                                )
                                (word_part.EscapedLiteral
                                  token: 
                                    (Token
                                      id: Id.Lit_EscapedChar
                                      length: 2
                                      col: 11
                                      line: ...0x7fef033b3bd8
                                    )
                                  ch: "$"
                                )
                                (Token
                                  id: Id.Lit_Chars
                                  length: 7
                                  col: 13
                                  line: ...0x7fef033b3bd8
                                  tval: "prefix "
                                )
                                (SimpleVarSub
                                  tok: 
                                    (Token
                                      id: Id.VSub_DollarName
                                      length: 6
                                      col: 20
                                      line: ...0x7fef033b3bd8
                                      tval: param
                                    )
                                )
                                (Token
                                  id: Id.Lit_Chars
                                  length: 1
                                  col: 26
                                  line: ...0x7fef033b3bd8
                                  tval: "\n"
                                )
                                (Token
                                  id: Id.Lit_CharsWithoutPrefix
                                  length: 2
                                  col: 4
                                  line: 
                                    (SourceLine
                                      line_num: 7
                                      content: "    }\n"
                                      src: ...0x7fef03080b88
                                    )
                                  tval: "}\n"
                                )
                              ]
                              right: 
                                (Token
                                  id: Id.Right_DoubleQuote
                                  length: 1
                                  col: 6
                                  line: 
                                    (SourceLine
                                      line_num: 8
                                      content: "    \"\"\"\n"
                                      src: ...0x7fef03080b88
                                    )
                                )
                            )
                        )
                        (command.VarDecl
                          keyword: (Token id:Id.KW_Var length:3 col:4 line:...0x7fef033b3db8)
                          lhs: [
                            (NameType
                              left: (Token id:Id.Expr_Name length:3 col:8 line:...0x7fef033b3db8)
                              name: cmd
                            )
                          ]
                          rhs: 
                            (expr.FuncCall
                              func: 
                                (expr.Var
                                  left: 
                                    (Token
                                      id: Id.Expr_Name
                                      length: 12
                                      col: 14
                                      line: ...0x7fef033b3db8
                                    )
                                  name: parseCommand
                                )
                              args: 
                                (ArgList
                                  left: ...0x7fef030910a8
                                  pos_args: [
                                    (expr.Var
                                      left: 
                                        (Token
                                          id: Id.Expr_Name
                                          length: 1
                                          col: 27
                                          line: ...0x7fef033b3db8
                                        )
                                      name: s
                                    )
                                  ]
                                  named_args: []
                                  right: 
                                    (Token
                                      id: Id.Op_RParen
                                      length: 1
                                      col: 28
                                      line: ...0x7fef033b3db8
                                    )
                                )
                            )
                        )
                        (command.Simple
                          blame_tok: 
                            (Token
                              id: Id.Lit_Chars
                              length: 2
                              col: 4
                              line: 
                                (SourceLine
                                  line_num: 10
                                  content: "    pp asdl_ (cmd)\n"
                                  src: ...0x7fef03080b88
                                )
                              tval: pp
                            )
                          more_env: []
                          words: [
                            (CompoundWord parts:[...0x7fef03091108])
                            (CompoundWord
                              parts: [
                                (Token
                                  id: Id.Lit_Chars
                                  length: 5
                                  col: 7
                                  line: ...0x7fef033b3ea8
                                  tval: asdl_
                                )
                              ]
                            )
                          ]
                          typed_args: 
                            (ArgList
                              left: (Token id:Id.Op_LParen length:1 col:13 line:...0x7fef033b3ea8)
                              pos_args: [
                                (expr.Var
                                  left: 
                                    (Token
                                      id: Id.Expr_Name
                                      length: 3
                                      col: 14
                                      line: ...0x7fef033b3ea8
                                    )
                                  name: cmd
                                )
                              ]
                              named_args: []
                              right: (Token id:Id.Op_RParen length:1 col:17 line:...0x7fef033b3ea8)
                            )
                          is_last_cmd: F
                        )
                        (command.Expr
                          keyword: 
                            (Token
                              id: Id.KW_Call
                              length: 4
                              col: 4
                              line: 
                                (SourceLine
                                  line_num: 13
                                  content: "    call io->eval(cmd)\n"
                                  src: ...0x7fef03080b88
                                )
                            )
                          e: 
                            (expr.FuncCall
                              func: 
                                (Attribute
                                  obj: 
                                    (expr.Var
                                      left: 
                                        (Token
                                          id: Id.Expr_Name
                                          length: 2
                                          col: 9
                                          line: ...0x7fef033b3f98
                                        )
                                      name: io
                                    )
                                  op: 
                                    (Token
                                      id: Id.Expr_RArrow
                                      length: 2
                                      col: 11
                                      line: ...0x7fef033b3f98
                                    )
                                  attr: 
                                    (Token
                                      id: Id.Expr_Name
                                      length: 4
                                      col: 13
                                      line: ...0x7fef033b3f98
                                    )
                                  attr_name: eval
                                  ctx: expr_context.Store
                                )
                              args: 
                                (ArgList
                                  left: 
                                    (Token
                                      id: Id.Op_LParen
                                      length: 1
                                      col: 17
                                      line: ...0x7fef033b3f98
                                    )
                                  pos_args: [
                                    (expr.Var
                                      left: 
                                        (Token
                                          id: Id.Expr_Name
                                          length: 3
                                          col: 18
                                          line: ...0x7fef033b3f98
                                        )
                                      name: cmd
                                    )
                                  ]
                                  named_args: []
                                  right: 
                                    (Token
                                      id: Id.Op_RParen
                                      length: 1
                                      col: 21
                                      line: ...0x7fef033b3f98
                                    )
                                )
                            )
                        )
                        (command.Simple
                          blame_tok: 
                            (Token
                              id: Id.Lit_Chars
                              length: 6
                              col: 4
                              line: 
                                (SourceLine
                                  line_num: 15
                                  content: "    echo_a zz\n"
                                  src: ...0x7fef03080b88
                                )
                            )
                          more_env: []
                          words: [
                            (CompoundWord parts:[...0x7fef030918e8])
                            (CompoundWord
                              parts: [(Token id:Id.Lit_Chars length:2 col:11 line:...0x7fef03017098)]
                            )
                          ]
                          is_last_cmd: F
                        )
                      ]
                      right: 
                        (Token
                          id: Id.Lit_RBrace
                          length: 1
                          col: 2
                          line: (SourceLine line_num:16 content:"  }\n" src:...0x7fef03080b88)
                        )
                    )
                )
                (command.Simple
                  blame_tok: 
                    (Token
                      id: Id.Lit_Chars
                      length: 6
                      col: 2
                      line: 
                        (SourceLine
                          line_num: 18
                          content: "  echo_a prefix\n"
                          src: ...0x7fef03080b88
                        )
                    )
                  more_env: []
                  words: [
                    (CompoundWord parts:[...0x7fef03413e28])
                    (CompoundWord
                      parts: [(Token id:Id.Lit_Chars length:6 col:9 line:...0x7fef03017188)]
                    )
                  ]
                  is_last_cmd: F
                )
                (command.Simple
                  blame_tok: 
                    (Token
                      id: Id.Lit_Chars
                      length: 6
                      col: 2
                      line: 
                        (SourceLine
                          line_num: 19
                          content: "  echo_b prefix\n"
                          src: ...0x7fef03080b88
                        )
                    )
                  more_env: []
                  words: [
                    (CompoundWord parts:[...0x7fef03091d68])
                    (CompoundWord
                      parts: [(Token id:Id.Lit_Chars length:6 col:9 line:...0x7fef030171d8)]
                    )
                  ]
                  is_last_cmd: F
                )
              ]
              right: 
                (Token
                  id: Id.Lit_RBrace
                  length: 1
                  col: 0
                  line: (SourceLine line_num:20 content:"}\n" src:...0x7fef03080b88)
                )
            )
          sh_compat: F
          module_frame: [
            Dict
            ARGV
            ...0x7fef03a1f0f8
            UID
            ...0x7fef03a1fa40
            EUID
            ...0x7fef03420728
            PPID
            ...0x7fef03420780
            OPTIND
            ...0x7fef034207d8
            IFS
            ...0x7fef03420830
            HOSTNAME
            ...0x7fef03420888
            OSTYPE
            ...0x7fef034208e0
            PS4
            ...0x7fef03420938
            COMP_WORDBREAKS
            ...0x7fef03420990
            TMP
            ...0x7fef034209e8
            REPO_ROOT
            ...0x7fef03420a40
            SH
            ...0x7fef03420a98
            PATH
            ...0x7fef03420af0
            LC_ALL
            ...0x7fef03420b48
            LOCALE_ARCHIVE
            ...0x7fef03420ba0
            OILS_GC_ON_EXIT
            ...0x7fef03420bf8
            SHELLOPTS
            ...0x7fef03420c50
            PWD
            ...0x7fef03420ca8
            YSH_HISTFILE
            ...0x7fef03420d00
            p
            ...0x7fef03420e60
          ]
        )
    )
  ]
)
stderr:
      echo_a zz
      ^~~~~~
[ stdin ]:15: 'echo_a' not found (OILS-ERR-100)
[ stdin ]:15: errexit PID 43114: command.Simple failed with status 127