ninja: no work to do.
---
(command.CommandList
  children: [
    (command.ShAssignment
      left: 
        (Token
          id: Id.Lit_VarLike
          col: 0
          length: 11
          span_id: 0
          line: 
            (SourceLine
              line_num: 1
              content: "global_var=global\n"
              src: (source.MainFile path:ysh/testdata/no-dynamic-scope.osh)
            )
          tval: "global_var="
        )
      pairs: [
        (AssignPair
          left: ...0x1402
          lhs: (sh_lhs.Name left:...0x1402 name:global_var)
          op: assign_op.Equal
          rhs: 
            (CompoundWord
              parts: [(Token id:Id.Lit_Chars col:11 length:6 span_id:1 line:...0x140e tval:global)]
            )
        )
      ]
      redirects: []
    )
    (command.ShFunction
      name_tok: 
        (Token
          id: Id.Lit_Chars
          col: 0
          length: 1
          span_id: 4
          line: (SourceLine line_num:3 content:"g() {\n" src:...0x1d89)
          tval: g
        )
      name: g
      body: 
        (BraceGroup
          left: (Token id:Id.Lit_LBrace col:4 length:1 span_id:8 line:...0x13aa tval:"{")
          children: [
            (command.Simple
              blame_tok: 
                (Token
                  id: Id.Lit_Chars
                  col: 2
                  length: 5
                  span_id: 11
                  line: (SourceLine line_num:4 content:"  local g_var=f\n" src:...0x1d89)
                  tval: local
                )
              more_env: []
              words: [
                (CompoundWord parts:[...0x135e])
                (CompoundWord
                  parts: [
                    (Token
                      id: Id.Lit_VarLike
                      col: 8
                      length: 6
                      span_id: 13
                      line: ...0x1366
                      tval: "g_var="
                    )
                    (Token
                      id: Id.Lit_Chars
                      col: 14
                      length: 1
                      span_id: 14
                      line: ...0x1366
                      tval: f
                    )
                  ]
                )
              ]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: 
                (Token
                  id: Id.Lit_Chars
                  col: 2
                  length: 4
                  span_id: 17
                  line: (SourceLine line_num:5 content:"  echo $g_var\n" src:...0x1d89)
                  tval: echo
                )
              more_env: []
              words: [
                (CompoundWord parts:[...0x1316])
                (CompoundWord
                  parts: [
                    (NameTok
                      left: 
                        (Token
                          id: Id.VSub_DollarName
                          col: 7
                          length: 6
                          span_id: 19
                          line: ...0x131e
                          tval: "$g_var"
                        )
                      var_name: g_var
                    )
                  ]
                )
              ]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: 
                (Token
                  id: Id.Lit_Chars
                  col: 2
                  length: 4
                  span_id: 22
                  line: (SourceLine line_num:6 content:"  echo $f_var\n" src:...0x1d89)
                  tval: echo
                )
              more_env: []
              words: [
                (CompoundWord parts:[...0x12d2])
                (CompoundWord
                  parts: [
                    (NameTok
                      left: 
                        (Token
                          id: Id.VSub_DollarName
                          col: 7
                          length: 6
                          span_id: 24
                          line: ...0x12da
                          tval: "$f_var"
                        )
                      var_name: f_var
                    )
                  ]
                )
              ]
              redirects: []
              do_fork: T
            )
            (command.VarDecl
              keyword: 
                (Token
                  id: Id.KW_Var
                  col: 2
                  length: 3
                  span_id: 28
                  line: (SourceLine line_num:8 content:"  var oil_var = global_var\n" src:...0x1d89)
                  tval: var
                )
              lhs: [
                (NameType
                  left: (Token id:Id.Expr_Name col:6 length:7 span_id:30 line:...0x1292 tval:oil_var)
                  name: oil_var
                )
              ]
              rhs: 
                (expr.Var
                  left: 
                    (Token
                      id: Id.Expr_Name
                      col: 16
                      length: 10
                      span_id: 34
                      line: ...0x1292
                      tval: global_var
                    )
                  name: global_var
                )
            )
            (command.Simple
              blame_tok: 
                (Token
                  id: Id.Lit_Chars
                  col: 2
                  length: 4
                  span_id: 37
                  line: (SourceLine line_num:9 content:"  echo $oil_var\n" src:...0x1d89)
                  tval: echo
                )
              more_env: []
              words: [
                (CompoundWord parts:[...0x11da])
                (CompoundWord
                  parts: [
                    (NameTok
                      left: 
                        (Token
                          id: Id.VSub_DollarName
                          col: 7
                          length: 8
                          span_id: 39
                          line: ...0x11e2
                          tval: "$oil_var"
                        )
                      var_name: oil_var
                    )
                  ]
                )
              ]
              redirects: []
              do_fork: T
            )
          ]
          redirects: []
          right: 
            (Token
              id: Id.Lit_RBrace
              col: 0
              length: 1
              span_id: 41
              line: (SourceLine line_num:10 content:"}\n" src:...0x1d89)
              tval: "}"
            )
        )
    )
    (command.ShFunction
      name_tok: 
        (Token
          id: Id.Lit_Chars
          col: 0
          length: 1
          span_id: 44
          line: (SourceLine line_num:12 content:"f() {\n" src:...0x1d89)
          tval: f
        )
      name: f
      body: 
        (BraceGroup
          left: (Token id:Id.Lit_LBrace col:4 length:1 span_id:48 line:...0x117e tval:"{")
          children: [
            (command.Simple
              blame_tok: 
                (Token
                  id: Id.Lit_Chars
                  col: 2
                  length: 5
                  span_id: 51
                  line: (SourceLine line_num:13 content:"  local f_var=f\n" src:...0x1d89)
                  tval: local
                )
              more_env: []
              words: [
                (CompoundWord parts:[...0x113e])
                (CompoundWord
                  parts: [
                    (Token
                      id: Id.Lit_VarLike
                      col: 8
                      length: 6
                      span_id: 53
                      line: ...0x1146
                      tval: "f_var="
                    )
                    (Token
                      id: Id.Lit_Chars
                      col: 14
                      length: 1
                      span_id: 54
                      line: ...0x1146
                      tval: f
                    )
                  ]
                )
              ]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: 
                (Token
                  id: Id.Lit_Chars
                  col: 2
                  length: 4
                  span_id: 57
                  line: (SourceLine line_num:14 content:"  echo $f_var\n" src:...0x1d89)
                  tval: echo
                )
              more_env: []
              words: [
                (CompoundWord parts:[...0x10f6])
                (CompoundWord
                  parts: [
                    (NameTok
                      left: 
                        (Token
                          id: Id.VSub_DollarName
                          col: 7
                          length: 6
                          span_id: 59
                          line: ...0x10fe
                          tval: "$f_var"
                        )
                      var_name: f_var
                    )
                  ]
                )
              ]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: 
                (Token
                  id: Id.Lit_Chars
                  col: 2
                  length: 1
                  span_id: 62
                  line: (SourceLine line_num:15 content:"  g\n" src:...0x1d89)
                  tval: g
                )
              more_env: []
              words: [(CompoundWord parts:[...0x10b6])]
              redirects: []
              do_fork: T
            )
          ]
          redirects: []
          right: 
            (Token
              id: Id.Lit_RBrace
              col: 0
              length: 1
              span_id: 64
              line: (SourceLine line_num:16 content:"}\n" src:...0x1d89)
              tval: "}"
            )
        )
    )
    (command.Simple
      blame_tok: 
        (Token
          id: Id.Lit_Chars
          col: 0
          length: 1
          span_id: 67
          line: (SourceLine line_num:18 content:"f\n" src:...0x1d89)
          tval: f
        )
      more_env: []
      words: [(CompoundWord parts:[...0x1066])]
      redirects: []
      do_fork: T
    )
  ]
)
---
(command.CommandList
  children: [
    (command.ShFunction
      name_tok: 
        (Token
          id: Id.Lit_Chars
          col: 0
          length: 4
          span_id: 50
          line: 
            (SourceLine
              line_num: 19
              content: "argv() {\n"
              src: (source.MainFile path:ysh/testdata/sigil-pairs.sh)
            )
          tval: argv
        )
      name: argv
      body: 
        (BraceGroup
          left: (Token id:Id.Lit_LBrace col:7 length:1 span_id:54 line:...0x12ca tval:"{")
          children: [
            (command.Simple
              blame_tok: 
                (Token
                  id: Id.Lit_Chars
                  col: 2
                  length: 6
                  span_id: 57
                  line: 
                    (SourceLine
                      line_num: 20
                      content: "  python -c 'import sys;print(sys.argv[1:])' @ARGV\n"
                      src: ...0x1d89
                    )
                  tval: python
                )
              more_env: []
              words: [
                (CompoundWord parts:[...0x1282])
                (CompoundWord
                  parts: [(Token id:Id.Lit_Chars col:9 length:2 span_id:59 line:...0x128a tval:-c)]
                )
                (CompoundWord
                  parts: [
                    (SingleQuoted
                      left: 
                        (Token
                          id: Id.Left_SingleQuote
                          col: 12
                          length: 1
                          span_id: 61
                          line: ...0x128a
                          tval: "'"
                        )
                      tokens: [
                        (Token
                          id: Id.Lit_Chars
                          col: 13
                          length: 30
                          span_id: 62
                          line: ...0x128a
                          tval: "import sys;print(sys.argv[1:])"
                        )
                      ]
                      right: 
                        (Token
                          id: Id.Right_SingleQuote
                          col: 43
                          length: 1
                          span_id: 63
                          line: ...0x128a
                          tval: "'"
                        )
                    )
                  ]
                )
                (CompoundWord
                  parts: [
                    (Token
                      id: Id.Lit_Splice
                      col: 45
                      length: 5
                      span_id: 65
                      line: ...0x128a
                      tval: "@ARGV"
                    )
                  ]
                )
              ]
              redirects: []
              do_fork: T
            )
          ]
          redirects: []
          right: 
            (Token
              id: Id.Lit_RBrace
              col: 0
              length: 1
              span_id: 67
              line: (SourceLine line_num:21 content:"}\n" src:...0x1d89)
              tval: "}"
            )
        )
    )
    (command.ShFunction
      name_tok: 
        (Token
          id: Id.Lit_Chars
          col: 0
          length: 4
          span_id: 70
          line: (SourceLine line_num:23 content:"show() {\n" src:...0x1d89)
          tval: show
        )
      name: show
      body: 
        (BraceGroup
          left: (Token id:Id.Lit_LBrace col:7 length:1 span_id:74 line:...0x11ee tval:"{")
          children: [
            (command.Simple
              blame_tok: 
                (Token
                  id: Id.Lit_Chars
                  col: 2
                  length: 4
                  span_id: 77
                  line: (SourceLine line_num:24 content:"  echo '====='\n" src:...0x1d89)
                  tval: echo
                )
              more_env: []
              words: [
                (CompoundWord parts:[...0x11ae])
                (CompoundWord
                  parts: [
                    (SingleQuoted
                      left: 
                        (Token
                          id: Id.Left_SingleQuote
                          col: 7
                          length: 1
                          span_id: 79
                          line: ...0x11b6
                          tval: "'"
                        )
                      tokens: [
                        (Token
                          id: Id.Lit_Chars
                          col: 8
                          length: 5
                          span_id: 80
                          line: ...0x11b6
                          tval: "====="
                        )
                      ]
                      right: 
                        (Token
                          id: Id.Right_SingleQuote
                          col: 13
                          length: 1
                          span_id: 81
                          line: ...0x11b6
                          tval: "'"
                        )
                    )
                  ]
                )
              ]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: 
                (Token
                  id: Id.Lit_Chars
                  col: 2
                  length: 4
                  span_id: 84
                  line: (SourceLine line_num:25 content:"  argv @ARGV\n" src:...0x1d89)
                  tval: argv
                )
              more_env: []
              words: [
                (CompoundWord parts:[...0x115a])
                (CompoundWord
                  parts: [
                    (Token
                      id: Id.Lit_Splice
                      col: 7
                      length: 5
                      span_id: 86
                      line: ...0x1162
                      tval: "@ARGV"
                    )
                  ]
                )
              ]
              redirects: []
              do_fork: T
            )
            (command.Simple
              blame_tok: 
                (Token
                  id: Id.Lit_Chars
                  col: 2
                  length: 4
                  span_id: 89
                  line: (SourceLine line_num:26 content:"  echo\n" src:...0x1d89)
                  tval: echo
                )
              more_env: []
              words: [(CompoundWord parts:[...0x111a])]
              redirects: []
              do_fork: T
            )
          ]
          redirects: []
          right: 
            (Token
              id: Id.Lit_RBrace
              col: 0
              length: 1
              span_id: 91
              line: (SourceLine line_num:27 content:"}\n" src:...0x1d89)
              tval: "}"
            )
        )
    )
    (command.VarDecl
      keyword: 
        (Token
          id: Id.KW_Var
          col: 0
          length: 3
          span_id: 95
          line: (SourceLine line_num:30 content:"var strarray = %(\n" src:...0x1d89)
          tval: var
        )
      lhs: [
        (NameType
          left: (Token id:Id.Expr_Name col:4 length:8 span_id:97 line:...0x10c2 tval:strarray)
          name: strarray
        )
      ]
      rhs: 
        (ShArrayLiteral
          left: (Token id:Id.Left_PercentParen col:15 length:2 span_id:101 line:...0x10c2 tval:"%(")
          words: [
            (CompoundWord
              parts: [
                (Token
                  id: Id.Lit_Chars
                  col: 4
                  length: 4
                  span_id: 104
                  line: 
                    (SourceLine
                      line_num: 31
                      content: "    bare words *.sh {a,b}@example.com 'sq' \"dq ${x:-default}\"\n"
                      src: ...0x1d89
                    )
                  tval: bare
                )
              ]
            )
            (CompoundWord
              parts: [(Token id:Id.Lit_Chars col:9 length:5 span_id:106 line:...0x102e tval:words)]
            )
            (CompoundWord
              parts: [
                (Token
                  id: Id.Lit_Star
                  col: 15
                  length: 1
                  span_id: 108
                  line: ...0x102e
                  tval: "*"
                )
                (Token
                  id: Id.Lit_Chars
                  col: 16
                  length: 3
                  span_id: 109
                  line: ...0x102e
                  tval: .sh
                )
              ]
            )
            (word.BracedTree
              parts: [
                (word_part.BracedTuple
                  words: [
                    (CompoundWord
                      parts: [
                        (Token
                          id: Id.Lit_Chars
                          col: 21
                          length: 1
                          span_id: 112
                          line: ...0x102e
                          tval: a
                        )
                      ]
                    )
                    (CompoundWord
                      parts: [
                        (Token
                          id: Id.Lit_Chars
                          col: 23
                          length: 1
                          span_id: 114
                          line: ...0x102e
                          tval: b
                        )
                      ]
                    )
                  ]
                )
                (Token
                  id: Id.Lit_Splice
                  col: 25
                  length: 8
                  span_id: 116
                  line: ...0x102e
                  tval: "@example"
                )
                (Token
                  id: Id.Lit_Chars
                  col: 33
                  length: 4
                  span_id: 117
                  line: ...0x102e
                  tval: .com
                )
              ]
            )
            (CompoundWord
              parts: [
                (SingleQuoted
                  left: 
                    (Token
                      id: Id.Left_SingleQuote
                      col: 38
                      length: 1
                      span_id: 119
                      line: ...0x102e
                      tval: "'"
                    )
                  tokens: [(Token id:Id.Lit_Chars col:39 length:2 span_id:120 line:...0x102e tval:sq)]
                  right: 
                    (Token
                      id: Id.Right_SingleQuote
                      col: 41
                      length: 1
                      span_id: 121
                      line: ...0x102e
                      tval: "'"
                    )
                )
              ]
            )
            (CompoundWord
              parts: [
                (DoubleQuoted
                  left: 
                    (Token
                      id: Id.Left_DoubleQuote
                      col: 43
                      length: 1
                      span_id: 123
                      line: ...0x102e
                      tval: "\""
                    )
                  parts: [
                    (Token
                      id: Id.Lit_Chars
                      col: 44
                      length: 3
                      span_id: 124
                      line: ...0x102e
                      tval: "dq "
                    )
                    (BracedVarSub
                      left: 
                        (Token
                          id: Id.Left_DollarBrace
                          col: 47
                          length: 2
                          span_id: 125
                          line: ...0x102e
                          tval: "${"
                        )
                      token: 
                        (Token
                          id: Id.VSub_Name
                          col: 49
                          length: 1
                          span_id: 126
                          line: ...0x102e
                          tval: x
                        )
                      var_name: x
                      suffix_op: 
                        (suffix_op.Unary
                          op: 
                            (Token
                              id: Id.VTest_ColonHyphen
                              col: 50
                              length: 2
                              span_id: 127
                              line: ...0x102e
                            )
                          arg_word: 
                            (CompoundWord
                              parts: [
                                (Token
                                  id: Id.Lit_Chars
                                  col: 52
                                  length: 7
                                  span_id: 128
                                  line: ...0x102e
                                  tval: default
                                )
                              ]
                            )
                        )
                      right: 
                        (Token
                          id: Id.Right_DollarBrace
                          col: 59
                          length: 1
                          span_id: 129
                          line: ...0x102e
                          tval: "}"
                        )
                    )
                  ]
                  right: 
                    (Token
                      id: Id.Right_DoubleQuote
                      col: 60
                      length: 1
                      span_id: 130
                      line: ...0x102e
                      tval: "\""
                    )
                )
              ]
            )
          ]
          right: 
            (Token
              id: Id.Right_ShArrayLiteral
              col: 0
              length: 1
              span_id: 132
              line: (SourceLine line_num:32 content:")\n" src:...0x1d89)
            )
        )
    )
    (command.Simple
      blame_tok: 
        (Token
          id: Id.Lit_Chars
          col: 0
          length: 4
          span_id: 135
          line: (SourceLine line_num:34 content:"show @strarray\n" src:...0x1d89)
          tval: show
        )
      more_env: []
      words: [
        (CompoundWord parts:[...0x19ce])
        (CompoundWord
          parts: [(Token id:Id.Lit_Splice col:5 length:9 span_id:137 line:...0x19d2 tval:"@strarray")]
        )
      ]
      redirects: []
      do_fork: T
    )
    (command.VarDecl
      keyword: 
        (Token
          id: Id.KW_Var
          col: 0
          length: 3
          span_id: 140
          line: (SourceLine line_num:36 content:"var cmd_sub = $(\n" src:...0x1d89)
          tval: var
        )
      lhs: [
        (NameType
          left: (Token id:Id.Expr_Name col:4 length:7 span_id:142 line:...0x1982 tval:cmd_sub)
          name: cmd_sub
        )
      ]
      rhs: 
        (CommandSub
          left_token: 
            (Token
              id: Id.Left_DollarParen
              col: 14
              length: 2
              span_id: 146
              line: ...0x1982
              tval: "$("
            )
          child: 
            (command.Simple
              blame_tok: 
                (Token
                  id: Id.Lit_Chars
                  col: 4
                  length: 4
                  span_id: 149
                  line: 
                    (SourceLine
                      line_num: 37
                      content: 
"    echo bare words *.sh {a,b}@example.com 'sq' \"dq ${x:-default}\"\n"
                      src: ...0x1d89
                    )
                  tval: echo
                )
              more_env: []
              words: [
                (CompoundWord parts:[...0x18ea])
                (CompoundWord
                  parts: [(Token id:Id.Lit_Chars col:9 length:4 span_id:151 line:...0x18f2 tval:bare)]
                )
                (CompoundWord
                  parts: [
                    (Token
                      id: Id.Lit_Chars
                      col: 14
                      length: 5
                      span_id: 153
                      line: ...0x18f2
                      tval: words
                    )
                  ]
                )
                (CompoundWord
                  parts: [
                    (Token
                      id: Id.Lit_Star
                      col: 20
                      length: 1
                      span_id: 155
                      line: ...0x18f2
                      tval: "*"
                    )
                    (Token
                      id: Id.Lit_Chars
                      col: 21
                      length: 3
                      span_id: 156
                      line: ...0x18f2
                      tval: .sh
                    )
                  ]
                )
                (word.BracedTree
                  parts: [
                    (word_part.BracedTuple
                      words: [
                        (CompoundWord
                          parts: [
                            (Token
                              id: Id.Lit_Chars
                              col: 26
                              length: 1
                              span_id: 159
                              line: ...0x18f2
                              tval: a
                            )
                          ]
                        )
                        (CompoundWord
                          parts: [
                            (Token
                              id: Id.Lit_Chars
                              col: 28
                              length: 1
                              span_id: 161
                              line: ...0x18f2
                              tval: b
                            )
                          ]
                        )
                      ]
                    )
                    (Token
                      id: Id.Lit_Splice
                      col: 30
                      length: 8
                      span_id: 163
                      line: ...0x18f2
                      tval: "@example"
                    )
                    (Token
                      id: Id.Lit_Chars
                      col: 38
                      length: 4
                      span_id: 164
                      line: ...0x18f2
                      tval: .com
                    )
                  ]
                )
                (CompoundWord
                  parts: [
                    (SingleQuoted
                      left: 
                        (Token
                          id: Id.Left_SingleQuote
                          col: 43
                          length: 1
                          span_id: 166
                          line: ...0x18f2
                          tval: "'"
                        )
                      tokens: [
                        (Token
                          id: Id.Lit_Chars
                          col: 44
                          length: 2
                          span_id: 167
                          line: ...0x18f2
                          tval: sq
                        )
                      ]
                      right: 
                        (Token
                          id: Id.Right_SingleQuote
                          col: 46
                          length: 1
                          span_id: 168
                          line: ...0x18f2
                          tval: "'"
                        )
                    )
                  ]
                )
                (CompoundWord
                  parts: [
                    (DoubleQuoted
                      left: 
                        (Token
                          id: Id.Left_DoubleQuote
                          col: 48
                          length: 1
                          span_id: 170
                          line: ...0x18f2
                          tval: "\""
                        )
                      parts: [
                        (Token
                          id: Id.Lit_Chars
                          col: 49
                          length: 3
                          span_id: 171
                          line: ...0x18f2
                          tval: "dq "
                        )
                        (BracedVarSub
                          left: 
                            (Token
                              id: Id.Left_DollarBrace
                              col: 52
                              length: 2
                              span_id: 172
                              line: ...0x18f2
                              tval: "${"
                            )
                          token: 
                            (Token
                              id: Id.VSub_Name
                              col: 54
                              length: 1
                              span_id: 173
                              line: ...0x18f2
                              tval: x
                            )
                          var_name: x
                          suffix_op: 
                            (suffix_op.Unary
                              op: 
                                (Token
                                  id: Id.VTest_ColonHyphen
                                  col: 55
                                  length: 2
                                  span_id: 174
                                  line: ...0x18f2
                                )
                              arg_word: 
                                (CompoundWord
                                  parts: [
                                    (Token
                                      id: Id.Lit_Chars
                                      col: 57
                                      length: 7
                                      span_id: 175
                                      line: ...0x18f2
                                      tval: default
                                    )
                                  ]
                                )
                            )
                          right: 
                            (Token
                              id: Id.Right_DollarBrace
                              col: 64
                              length: 1
                              span_id: 176
                              line: ...0x18f2
                              tval: "}"
                            )
                        )
                      ]
                      right: 
                        (Token
                          id: Id.Right_DoubleQuote
                          col: 65
                          length: 1
                          span_id: 177
                          line: ...0x18f2
                          tval: "\""
                        )
                    )
                  ]
                )
              ]
              redirects: []
              do_fork: T
            )
          right: 
            (Token
              id: Id.Eof_RParen
              col: 0
              length: 1
              span_id: 179
              line: (SourceLine line_num:38 content:")\n" src:...0x1d89)
            )
        )
    )
    (command.Simple
      blame_tok: 
        (Token
          id: Id.Lit_Chars
          col: 0
          length: 4
          span_id: 182
          line: (SourceLine line_num:40 content:"show $cmd_sub\n" src:...0x1d89)
          tval: show
        )
      more_env: []
      words: [
        (CompoundWord parts:[...0x17ca])
        (CompoundWord
          parts: [
            (NameTok
              left: 
                (Token
                  id: Id.VSub_DollarName
                  col: 5
                  length: 8
                  span_id: 184
                  line: ...0x17ce
                  tval: "$cmd_sub"
                )
              var_name: cmd_sub
            )
          ]
        )
      ]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: 
        (Token
          id: Id.Lit_Chars
          col: 0
          length: 4
          span_id: 187
          line: 
            (SourceLine
              line_num: 42
              content: "show $['quoted ' ++ 'words ' ++ \"dq ${x:-default}\"]\n"
              src: ...0x1d89
            )
          tval: show
        )
      more_env: []
      words: [
        (CompoundWord parts:[...0x177e])
        (CompoundWord
          parts: [
            (word_part.ExprSub
              left: 
                (Token
                  id: Id.Left_DollarBracket
                  col: 5
                  length: 2
                  span_id: 189
                  line: ...0x1782
                  tval: "$["
                )
              child: 
                (expr.Binary
                  op: (Token id:Id.Arith_DPlus col:29 length:2 span_id:200 line:...0x1782)
                  left: 
                    (expr.Binary
                      op: (Token id:Id.Arith_DPlus col:17 length:2 span_id:194 line:...0x1782)
                      left: 
                        (SingleQuoted
                          left: 
                            (Token
                              id: Id.Left_SingleQuote
                              col: 7
                              length: 1
                              span_id: 190
                              line: ...0x1782
                              tval: "'"
                            )
                          tokens: [
                            (Token
                              id: Id.Lit_Chars
                              col: 8
                              length: 7
                              span_id: 191
                              line: ...0x1782
                              tval: "quoted "
                            )
                          ]
                          right: 
                            (Token
                              id: Id.Right_SingleQuote
                              col: 15
                              length: 1
                              span_id: 192
                              line: ...0x1782
                              tval: "'"
                            )
                        )
                      right: 
                        (SingleQuoted
                          left: 
                            (Token
                              id: Id.Left_SingleQuote
                              col: 20
                              length: 1
                              span_id: 196
                              line: ...0x1782
                              tval: "'"
                            )
                          tokens: [
                            (Token
                              id: Id.Lit_Chars
                              col: 21
                              length: 6
                              span_id: 197
                              line: ...0x1782
                              tval: "words "
                            )
                          ]
                          right: 
                            (Token
                              id: Id.Right_SingleQuote
                              col: 27
                              length: 1
                              span_id: 198
                              line: ...0x1782
                              tval: "'"
                            )
                        )
                    )
                  right: 
                    (DoubleQuoted
                      left: 
                        (Token
                          id: Id.Left_DoubleQuote
                          col: 32
                          length: 1
                          span_id: 202
                          line: ...0x1782
                          tval: "\""
                        )
                      parts: [
                        (Token
                          id: Id.Lit_Chars
                          col: 33
                          length: 3
                          span_id: 203
                          line: ...0x1782
                          tval: "dq "
                        )
                        (BracedVarSub
                          left: 
                            (Token
                              id: Id.Left_DollarBrace
                              col: 36
                              length: 2
                              span_id: 204
                              line: ...0x1782
                              tval: "${"
                            )
                          token: 
                            (Token
                              id: Id.VSub_Name
                              col: 38
                              length: 1
                              span_id: 205
                              line: ...0x1782
                              tval: x
                            )
                          var_name: x
                          suffix_op: 
                            (suffix_op.Unary
                              op: 
                                (Token
                                  id: Id.VTest_ColonHyphen
                                  col: 39
                                  length: 2
                                  span_id: 206
                                  line: ...0x1782
                                )
                              arg_word: 
                                (CompoundWord
                                  parts: [
                                    (Token
                                      id: Id.Lit_Chars
                                      col: 41
                                      length: 7
                                      span_id: 207
                                      line: ...0x1782
                                      tval: default
                                    )
                                  ]
                                )
                            )
                          right: 
                            (Token
                              id: Id.Right_DollarBrace
                              col: 48
                              length: 1
                              span_id: 208
                              line: ...0x1782
                              tval: "}"
                            )
                        )
                      ]
                      right: 
                        (Token
                          id: Id.Right_DoubleQuote
                          col: 49
                          length: 1
                          span_id: 209
                          line: ...0x1782
                          tval: "\""
                        )
                    )
                )
              right: (Token id:Id.Op_RBracket col:50 length:1 span_id:210 line:...0x1782)
            )
          ]
        )
      ]
      redirects: []
      do_fork: T
    )
  ]
)
---
skipping ysh/testdata/assign.osh
---
(command.CommandList
  children: [
    (command.Simple
      blame_tok: 
        (Token
          id: Id.Lit_Chars
          col: 0
          length: 5
          span_id: 1
          line: 
            (SourceLine
              line_num: 2
              content: "shopt -s oil-parse-at static-word-eval\n"
              src: (source.MainFile path:ysh/testdata/array-splice-demo.osh)
            )
          tval: shopt
        )
      more_env: []
      words: [
        (CompoundWord parts:[...0x13fe])
        (CompoundWord
          parts: [(Token id:Id.Lit_Chars col:6 length:2 span_id:3 line:...0x1402 tval:-s)]
        )
        (CompoundWord
          parts: [(Token id:Id.Lit_Chars col:9 length:12 span_id:5 line:...0x1402 tval:oil-parse-at)]
        )
        (CompoundWord
          parts: [
            (Token
              id: Id.Lit_Chars
              col: 22
              length: 16
              span_id: 7
              line: ...0x1402
              tval: static-word-eval
            )
          ]
        )
      ]
      redirects: []
      do_fork: T
    )
    (command.ShAssignment
      left: 
        (Token
          id: Id.Lit_VarLike
          col: 0
          length: 9
          span_id: 10
          line: (SourceLine line_num:4 content:"myglobal=global\n" src:...0x1d89)
          tval: "myglobal="
        )
      pairs: [
        (AssignPair
          left: ...0x138a
          lhs: (sh_lhs.Name left:...0x138a name:myglobal)
          op: assign_op.Equal
          rhs: 
            (CompoundWord
              parts: [(Token id:Id.Lit_Chars col:9 length:6 span_id:11 line:...0x1392 tval:global)]
            )
        )
      ]
      redirects: []
    )
    (command.VarDecl
      keyword: 
        (Token
          id: Id.KW_Var
          col: 0
          length: 3
          span_id: 14
          line: 
            (SourceLine
              line_num: 6
              content: "var myarray = :| $myglobal $'line\\n' ${z:-default} |\n"
              src: ...0x1d89
            )
          tval: var
        )
      lhs: [
        (NameType
          left: (Token id:Id.Expr_Name col:4 length:7 span_id:16 line:...0x133a tval:myarray)
          name: myarray
        )
      ]
      rhs: 
        (ShArrayLiteral
          left: (Token id:Id.Left_ColonPipe col:14 length:2 span_id:20 line:...0x133a tval:":|")
          words: [
            (CompoundWord
              parts: [
                (NameTok
                  left: 
                    (Token
                      id: Id.VSub_DollarName
                      col: 17
                      length: 9
                      span_id: 22
                      line: ...0x133a
                      tval: "$myglobal"
                    )
                  var_name: myglobal
                )
              ]
            )
            (CompoundWord
              parts: [
                (SingleQuoted
                  left: 
                    (Token
                      id: Id.Left_DollarSingleQuote
                      col: 27
                      length: 2
                      span_id: 24
                      line: ...0x133a
                      tval: "$'"
                    )
                  tokens: [
                    (Token
                      id: Id.Char_Literals
                      col: 29
                      length: 4
                      span_id: 25
                      line: ...0x133a
                      tval: line
                    )
                    (Token
                      id: Id.Char_OneChar
                      col: 33
                      length: 2
                      span_id: 26
                      line: ...0x133a
                      tval: "\\n"
                    )
                  ]
                  right: 
                    (Token
                      id: Id.Right_SingleQuote
                      col: 35
                      length: 1
                      span_id: 27
                      line: ...0x133a
                      tval: "'"
                    )
                )
              ]
            )
            (CompoundWord
              parts: [
                (BracedVarSub
                  left: 
                    (Token
                      id: Id.Left_DollarBrace
                      col: 37
                      length: 2
                      span_id: 29
                      line: ...0x133a
                      tval: "${"
                    )
                  token: (Token id:Id.VSub_Name col:39 length:1 span_id:30 line:...0x133a tval:z)
                  var_name: z
                  suffix_op: 
                    (suffix_op.Unary
                      op: (Token id:Id.VTest_ColonHyphen col:40 length:2 span_id:31 line:...0x133a)
                      arg_word: 
                        (CompoundWord
                          parts: [
                            (Token
                              id: Id.Lit_Chars
                              col: 42
                              length: 7
                              span_id: 32
                              line: ...0x133a
                              tval: default
                            )
                          ]
                        )
                    )
                  right: 
                    (Token
                      id: Id.Right_DollarBrace
                      col: 49
                      length: 1
                      span_id: 33
                      line: ...0x133a
                      tval: "}"
                    )
                )
              ]
            )
          ]
          right: (Token id:Id.Op_Pipe col:51 length:1 span_id:35 line:...0x133a)
        )
    )
    (command.Simple
      blame_tok: 
        (Token
          id: Id.Lit_Chars
          col: 0
          length: 4
          span_id: 37
          line: (SourceLine line_num:7 content:"spec/bin/argv.py @myarray\n" src:...0x1d89)
          tval: spec
        )
      more_env: []
      words: [
        (CompoundWord
          parts: [
            ...0x121e
            (Token id:Id.Lit_Slash col:4 length:1 span_id:38 line:...0x1222 tval:/)
            (Token id:Id.Lit_Chars col:5 length:3 span_id:39 line:...0x1222 tval:bin)
            (Token id:Id.Lit_Slash col:8 length:1 span_id:40 line:...0x1222 tval:/)
            (Token id:Id.Lit_Chars col:9 length:7 span_id:41 line:...0x1222 tval:argv.py)
          ]
        )
        (CompoundWord
          parts: [(Token id:Id.Lit_Splice col:17 length:8 span_id:43 line:...0x1222 tval:"@myarray")]
        )
      ]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: 
        (Token
          id: Id.Lit_Chars
          col: 0
          length: 4
          span_id: 45
          line: (SourceLine line_num:8 content:"echo len=$[len(myarray)]\n" src:...0x1d89)
          tval: echo
        )
      more_env: []
      words: [
        (CompoundWord parts:[...0x11ba])
        (CompoundWord
          parts: [
            (Token
              id: Id.Lit_VarLike
              col: 5
              length: 4
              span_id: 47
              line: ...0x11be
              tval: "len="
            )
            (word_part.ExprSub
              left: 
                (Token
                  id: Id.Left_DollarBracket
                  col: 9
                  length: 2
                  span_id: 48
                  line: ...0x11be
                  tval: "$["
                )
              child: 
                (expr.FuncCall
                  func: 
                    (expr.Var
                      left: 
                        (Token
                          id: Id.Expr_Name
                          col: 11
                          length: 3
                          span_id: 49
                          line: ...0x11be
                          tval: len
                        )
                      name: len
                    )
                  args: 
                    (ArgList
                      left: (Token id:Id.Op_LParen col:14 length:1 span_id:50 line:...0x11be)
                      pos_args: [
                        (expr.Var
                          left: 
                            (Token
                              id: Id.Expr_Name
                              col: 15
                              length: 7
                              span_id: 51
                              line: ...0x11be
                              tval: myarray
                            )
                          name: myarray
                        )
                      ]
                      named_args: []
                      right: (Token id:Id.Op_RParen col:22 length:1 span_id:52 line:...0x11be)
                    )
                )
              right: (Token id:Id.Op_RBracket col:23 length:1 span_id:53 line:...0x11be)
            )
          ]
        )
      ]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: 
        (Token
          id: Id.Lit_Chars
          col: 0
          length: 4
          span_id: 55
          line: (SourceLine line_num:9 content:"echo\n" src:...0x1d89)
          tval: echo
        )
      more_env: []
      words: [(CompoundWord parts:[...0x10b6])]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: 
        (Token
          id: Id.Lit_Chars
          col: 0
          length: 6
          span_id: 58
          line: 
            (SourceLine
              line_num: 11
              content: "append _ '1 2' ${myglobal:-default} (myarray)\n"
              src: ...0x1d89
            )
          tval: append
        )
      more_env: []
      words: [
        (CompoundWord parts:[...0x107a])
        (CompoundWord
          parts: [(Token id:Id.Lit_Chars col:7 length:1 span_id:60 line:...0x107e tval:_)]
        )
        (CompoundWord
          parts: [
            (SingleQuoted
              left: (Token id:Id.Left_SingleQuote col:9 length:1 span_id:62 line:...0x107e tval:"'")
              tokens: [(Token id:Id.Lit_Chars col:10 length:3 span_id:63 line:...0x107e tval:"1 2")]
              right: 
                (Token
                  id: Id.Right_SingleQuote
                  col: 13
                  length: 1
                  span_id: 64
                  line: ...0x107e
                  tval: "'"
                )
            )
          ]
        )
        (CompoundWord
          parts: [
            (BracedVarSub
              left: 
                (Token
                  id: Id.Left_DollarBrace
                  col: 15
                  length: 2
                  span_id: 66
                  line: ...0x107e
                  tval: "${"
                )
              token: (Token id:Id.VSub_Name col:17 length:8 span_id:67 line:...0x107e tval:myglobal)
              var_name: myglobal
              suffix_op: 
                (suffix_op.Unary
                  op: (Token id:Id.VTest_ColonHyphen col:25 length:2 span_id:68 line:...0x107e)
                  arg_word: 
                    (CompoundWord
                      parts: [
                        (Token
                          id: Id.Lit_Chars
                          col: 27
                          length: 7
                          span_id: 69
                          line: ...0x107e
                          tval: default
                        )
                      ]
                    )
                )
              right: 
                (Token
                  id: Id.Right_DollarBrace
                  col: 34
                  length: 1
                  span_id: 70
                  line: ...0x107e
                  tval: "}"
                )
            )
          ]
        )
      ]
      redirects: []
      typed_args: 
        (ArgList
          left: (Token id:Id.Op_LParen col:36 length:1 span_id:72 line:...0x107e)
          pos_args: [
            (expr.Var
              left: (Token id:Id.Expr_Name col:37 length:7 span_id:73 line:...0x107e tval:myarray)
              name: myarray
            )
          ]
          named_args: []
          right: (Token id:Id.Op_RParen col:44 length:1 span_id:74 line:...0x107e)
        )
      do_fork: T
    )
    (command.Simple
      blame_tok: 
        (Token
          id: Id.Lit_Chars
          col: 0
          length: 4
          span_id: 76
          line: (SourceLine line_num:12 content:"spec/bin/argv.py @myarray\n" src:...0x1d89)
          tval: spec
        )
      more_env: []
      words: [
        (CompoundWord
          parts: [
            ...0x1a2a
            (Token id:Id.Lit_Slash col:4 length:1 span_id:77 line:...0x1a2e tval:/)
            (Token id:Id.Lit_Chars col:5 length:3 span_id:78 line:...0x1a2e tval:bin)
            (Token id:Id.Lit_Slash col:8 length:1 span_id:79 line:...0x1a2e tval:/)
            (Token id:Id.Lit_Chars col:9 length:7 span_id:80 line:...0x1a2e tval:argv.py)
          ]
        )
        (CompoundWord
          parts: [(Token id:Id.Lit_Splice col:17 length:8 span_id:82 line:...0x1a2e tval:"@myarray")]
        )
      ]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: 
        (Token
          id: Id.Lit_Chars
          col: 0
          length: 4
          span_id: 84
          line: (SourceLine line_num:13 content:"echo len=$[len(myarray)]\n" src:...0x1d89)
          tval: echo
        )
      more_env: []
      words: [
        (CompoundWord parts:[...0x19c6])
        (CompoundWord
          parts: [
            (Token
              id: Id.Lit_VarLike
              col: 5
              length: 4
              span_id: 86
              line: ...0x19ca
              tval: "len="
            )
            (word_part.ExprSub
              left: 
                (Token
                  id: Id.Left_DollarBracket
                  col: 9
                  length: 2
                  span_id: 87
                  line: ...0x19ca
                  tval: "$["
                )
              child: 
                (expr.FuncCall
                  func: 
                    (expr.Var
                      left: 
                        (Token
                          id: Id.Expr_Name
                          col: 11
                          length: 3
                          span_id: 88
                          line: ...0x19ca
                          tval: len
                        )
                      name: len
                    )
                  args: 
                    (ArgList
                      left: (Token id:Id.Op_LParen col:14 length:1 span_id:89 line:...0x19ca)
                      pos_args: [
                        (expr.Var
                          left: 
                            (Token
                              id: Id.Expr_Name
                              col: 15
                              length: 7
                              span_id: 90
                              line: ...0x19ca
                              tval: myarray
                            )
                          name: myarray
                        )
                      ]
                      named_args: []
                      right: (Token id:Id.Op_RParen col:22 length:1 span_id:91 line:...0x19ca)
                    )
                )
              right: (Token id:Id.Op_RBracket col:23 length:1 span_id:92 line:...0x19ca)
            )
          ]
        )
      ]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: 
        (Token
          id: Id.Lit_Chars
          col: 0
          length: 4
          span_id: 94
          line: (SourceLine line_num:14 content:"echo\n" src:...0x1d89)
          tval: echo
        )
      more_env: []
      words: [(CompoundWord parts:[...0x18c6])]
      redirects: []
      do_fork: T
    )
    (command.ForEach
      keyword: 
        (Token
          id: Id.KW_For
          col: 0
          length: 3
          span_id: 97
          line: (SourceLine line_num:16 content:"for item in (myarray) {\n" src:...0x1d89)
          tval: for
        )
      iter_names: [item]
      iterable: 
        (for_iter.YshExpr
          e: 
            (expr.Var
              left: (Token id:Id.Expr_Name col:13 length:7 span_id:104 line:...0x188a tval:myarray)
              name: myarray
            )
          blame: (Token id:Id.KW_In col:9 length:2 span_id:101 line:...0x188a tval:in)
        )
      body: 
        (BraceGroup
          left: (Token id:Id.Lit_LBrace col:22 length:1 span_id:107 line:...0x188a tval:"{")
          children: [
            (command.Simple
              blame_tok: 
                (Token
                  id: Id.Lit_Chars
                  col: 2
                  length: 4
                  span_id: 110
                  line: (SourceLine line_num:17 content:"  echo \"  $item\"\n" src:...0x1d89)
                  tval: echo
                )
              more_env: []
              words: [
                (CompoundWord parts:[...0x17de])
                (CompoundWord
                  parts: [
                    (DoubleQuoted
                      left: 
                        (Token
                          id: Id.Left_DoubleQuote
                          col: 7
                          length: 1
                          span_id: 112
                          line: ...0x17e6
                          tval: "\""
                        )
                      parts: [
                        (Token
                          id: Id.Lit_Chars
                          col: 8
                          length: 2
                          span_id: 113
                          line: ...0x17e6
                          tval: "  "
                        )
                        (NameTok
                          left: 
                            (Token
                              id: Id.VSub_DollarName
                              col: 10
                              length: 5
                              span_id: 114
                              line: ...0x17e6
                              tval: "$item"
                            )
                          var_name: item
                        )
                      ]
                      right: 
                        (Token
                          id: Id.Right_DoubleQuote
                          col: 15
                          length: 1
                          span_id: 115
                          line: ...0x17e6
                          tval: "\""
                        )
                    )
                  ]
                )
              ]
              redirects: []
              do_fork: T
            )
          ]
          redirects: []
          right: 
            (Token
              id: Id.Lit_RBrace
              col: 0
              length: 1
              span_id: 117
              line: (SourceLine line_num:18 content:"}\n" src:...0x1d89)
              tval: "}"
            )
        )
      redirects: []
    )
  ]
)
---
(command.CommandList
  children: [
    (command.Simple
      blame_tok: 
        (Token
          id: Id.Lit_Chars
          col: 0
          length: 4
          span_id: 1
          line: 
            (SourceLine
              line_num: 2
              content: "echo 'This is a shell script with OSH extensions!'\n"
              src: (source.MainFile path:ysh/testdata/hello.osh)
            )
          tval: echo
        )
      more_env: []
      words: [
        (CompoundWord parts:[...0x13fa])
        (CompoundWord
          parts: [
            (SingleQuoted
              left: (Token id:Id.Left_SingleQuote col:5 length:1 span_id:3 line:...0x13fe tval:"'")
              tokens: [
                (Token
                  id: Id.Lit_Chars
                  col: 6
                  length: 43
                  span_id: 4
                  line: ...0x13fe
                  tval: "This is a shell script with OSH extensions!"
                )
              ]
              right: 
                (Token
                  id: Id.Right_SingleQuote
                  col: 49
                  length: 1
                  span_id: 5
                  line: ...0x13fe
                  tval: "'"
                )
            )
          ]
        )
      ]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: 
        (Token
          id: Id.Lit_Chars
          col: 0
          length: 4
          span_id: 7
          line: (SourceLine line_num:3 content:"echo\n" src:...0x1d89)
          tval: echo
        )
      more_env: []
      words: [(CompoundWord parts:[...0x13a6])]
      redirects: []
      do_fork: T
    )
    (command.VarDecl
      keyword: 
        (Token
          id: Id.KW_Var
          col: 0
          length: 3
          span_id: 10
          line: (SourceLine line_num:5 content:"var x = 1 + 2*3\n" src:...0x1d89)
          tval: var
        )
      lhs: [
        (NameType
          left: (Token id:Id.Expr_Name col:4 length:1 span_id:12 line:...0x136a tval:x)
          name: x
        )
      ]
      rhs: 
        (expr.Binary
          op: (Token id:Id.Arith_Plus col:10 length:1 span_id:18 line:...0x136a)
          left: 
            (expr.Const
              c: (Token id:Id.Expr_DecInt col:8 length:1 span_id:16 line:...0x136a tval:1)
              val: (value.Int i:1)
            )
          right: 
            (expr.Binary
              op: (Token id:Id.Arith_Star col:13 length:1 span_id:21 line:...0x136a)
              left: 
                (expr.Const
                  c: (Token id:Id.Expr_DecInt col:12 length:1 span_id:20 line:...0x136a tval:2)
                  val: (value.Int i:2)
                )
              right: 
                (expr.Const
                  c: (Token id:Id.Expr_DecInt col:14 length:1 span_id:22 line:...0x136a tval:3)
                  val: (value.Int i:3)
                )
            )
        )
    )
    (command.Simple
      blame_tok: 
        (Token
          id: Id.Lit_Chars
          col: 0
          length: 4
          span_id: 25
          line: (SourceLine line_num:7 content:"echo \"x: $x\"\n" src:...0x1d89)
          tval: echo
        )
      more_env: []
      words: [
        (CompoundWord parts:[...0x1282])
        (CompoundWord
          parts: [
            (DoubleQuoted
              left: (Token id:Id.Left_DoubleQuote col:5 length:1 span_id:27 line:...0x1286 tval:"\"")
              parts: [
                (Token
                  id: Id.Lit_Chars
                  col: 6
                  length: 3
                  span_id: 28
                  line: ...0x1286
                  tval: "x: "
                )
                (NameTok
                  left: 
                    (Token
                      id: Id.VSub_DollarName
                      col: 9
                      length: 2
                      span_id: 29
                      line: ...0x1286
                      tval: "$x"
                    )
                  var_name: x
                )
              ]
              right: 
                (Token
                  id: Id.Right_DoubleQuote
                  col: 11
                  length: 1
                  span_id: 30
                  line: ...0x1286
                  tval: "\""
                )
            )
          ]
        )
      ]
      redirects: []
      do_fork: T
    )
    (command.Mutation
      keyword: 
        (Token
          id: Id.KW_SetVar
          col: 0
          length: 6
          span_id: 36
          line: (SourceLine line_num:10 content:"setvar x += 1   \n" src:...0x1d89)
          tval: setvar
        )
      lhs: [
        (NameTok
          left: (Token id:Id.Expr_Name col:7 length:1 span_id:38 line:...0x1216 tval:x)
          var_name: x
        )
      ]
      op: (Token id:Id.Arith_PlusEqual col:9 length:2 span_id:40 line:...0x1216)
      rhs: 
        (expr.Const
          c: (Token id:Id.Expr_DecInt col:12 length:1 span_id:42 line:...0x1216 tval:1)
          val: (value.Int i:1)
        )
    )
    (command.Simple
      blame_tok: 
        (Token
          id: Id.Lit_Chars
          col: 0
          length: 4
          span_id: 46
          line: (SourceLine line_num:12 content:"echo \"x: $x\"\n" src:...0x1d89)
          tval: echo
        )
      more_env: []
      words: [
        (CompoundWord parts:[...0x1146])
        (CompoundWord
          parts: [
            (DoubleQuoted
              left: (Token id:Id.Left_DoubleQuote col:5 length:1 span_id:48 line:...0x114a tval:"\"")
              parts: [
                (Token
                  id: Id.Lit_Chars
                  col: 6
                  length: 3
                  span_id: 49
                  line: ...0x114a
                  tval: "x: "
                )
                (NameTok
                  left: 
                    (Token
                      id: Id.VSub_DollarName
                      col: 9
                      length: 2
                      span_id: 50
                      line: ...0x114a
                      tval: "$x"
                    )
                  var_name: x
                )
              ]
              right: 
                (Token
                  id: Id.Right_DoubleQuote
                  col: 11
                  length: 1
                  span_id: 51
                  line: ...0x114a
                  tval: "\""
                )
            )
          ]
        )
      ]
      redirects: []
      do_fork: T
    )
    (command.VarDecl
      keyword: 
        (Token
          id: Id.KW_Var
          col: 0
          length: 3
          span_id: 54
          line: (SourceLine line_num:14 content:"var mylist = [1, 2, 3]\n" src:...0x1d89)
          tval: var
        )
      lhs: [
        (NameType
          left: (Token id:Id.Expr_Name col:4 length:6 span_id:56 line:...0x10ea tval:mylist)
          name: mylist
        )
      ]
      rhs: 
        (expr.List
          left: (Token id:Id.Op_LBracket col:13 length:1 span_id:60 line:...0x10ea)
          elts: [
            (expr.Const
              c: (Token id:Id.Expr_DecInt col:14 length:1 span_id:61 line:...0x10ea tval:1)
              val: (value.Int i:1)
            )
            (expr.Const
              c: (Token id:Id.Expr_DecInt col:17 length:1 span_id:64 line:...0x10ea tval:2)
              val: (value.Int i:2)
            )
            (expr.Const
              c: (Token id:Id.Expr_DecInt col:20 length:1 span_id:67 line:...0x10ea tval:3)
              val: (value.Int i:3)
            )
          ]
          ctx: expr_context.Store
        )
    )
    (command.VarDecl
      keyword: 
        (Token
          id: Id.KW_Var
          col: 0
          length: 3
          span_id: 71
          line: (SourceLine line_num:16 content:"var y = mylist[1] * 10\n" src:...0x1d89)
          tval: var
        )
      lhs: [
        (NameType
          left: (Token id:Id.Expr_Name col:4 length:1 span_id:73 line:...0x1a0a tval:y)
          name: y
        )
      ]
      rhs: 
        (expr.Binary
          op: (Token id:Id.Arith_Star col:18 length:1 span_id:82 line:...0x1a0a)
          left: 
            (Subscript
              left: (Token id:Id.Op_LBracket col:14 length:1 span_id:78 line:...0x1a0a)
              obj: 
                (expr.Var
                  left: (Token id:Id.Expr_Name col:8 length:6 span_id:77 line:...0x1a0a tval:mylist)
                  name: mylist
                )
              index: 
                (expr.Const
                  c: (Token id:Id.Expr_DecInt col:15 length:1 span_id:79 line:...0x1a0a tval:1)
                  val: (value.Int i:1)
                )
            )
          right: 
            (expr.Const
              c: (Token id:Id.Expr_DecInt col:20 length:2 span_id:84 line:...0x1a0a tval:10)
              val: (value.Int i:10)
            )
        )
    )
    (command.Simple
      blame_tok: 
        (Token
          id: Id.Lit_Chars
          col: 0
          length: 4
          span_id: 87
          line: (SourceLine line_num:18 content:"echo \"y: $y\"\n" src:...0x1d89)
          tval: echo
        )
      more_env: []
      words: [
        (CompoundWord parts:[...0x18fe])
        (CompoundWord
          parts: [
            (DoubleQuoted
              left: (Token id:Id.Left_DoubleQuote col:5 length:1 span_id:89 line:...0x1902 tval:"\"")
              parts: [
                (Token
                  id: Id.Lit_Chars
                  col: 6
                  length: 3
                  span_id: 90
                  line: ...0x1902
                  tval: "y: "
                )
                (NameTok
                  left: 
                    (Token
                      id: Id.VSub_DollarName
                      col: 9
                      length: 2
                      span_id: 91
                      line: ...0x1902
                      tval: "$y"
                    )
                  var_name: y
                )
              ]
              right: 
                (Token
                  id: Id.Right_DoubleQuote
                  col: 11
                  length: 1
                  span_id: 92
                  line: ...0x1902
                  tval: "\""
                )
            )
          ]
        )
      ]
      redirects: []
      do_fork: T
    )
    (command.VarDecl
      keyword: 
        (Token
          id: Id.KW_Var
          col: 0
          length: 3
          span_id: 95
          line: (SourceLine line_num:20 content:"var list2 = mylist ++ [4, 5]\n" src:...0x1d89)
          tval: var
        )
      lhs: [
        (NameType
          left: (Token id:Id.Expr_Name col:4 length:5 span_id:97 line:...0x18a2 tval:list2)
          name: list2
        )
      ]
      rhs: 
        (expr.Binary
          op: (Token id:Id.Arith_DPlus col:19 length:2 span_id:103 line:...0x18a2)
          left: 
            (expr.Var
              left: (Token id:Id.Expr_Name col:12 length:6 span_id:101 line:...0x18a2 tval:mylist)
              name: mylist
            )
          right: 
            (expr.List
              left: (Token id:Id.Op_LBracket col:22 length:1 span_id:105 line:...0x18a2)
              elts: [
                (expr.Const
                  c: (Token id:Id.Expr_DecInt col:23 length:1 span_id:106 line:...0x18a2 tval:4)
                  val: (value.Int i:4)
                )
                (expr.Const
                  c: (Token id:Id.Expr_DecInt col:26 length:1 span_id:109 line:...0x18a2 tval:5)
                  val: (value.Int i:5)
                )
              ]
              ctx: expr_context.Store
            )
        )
    )
    (command.Simple
      blame_tok: 
        (Token
          id: Id.Lit_Chars
          col: 0
          length: 2
          span_id: 123
          line: (SourceLine line_num:26 content:"pp cell list2\n" src:...0x1d89)
          tval: pp
        )
      more_env: []
      words: [
        (CompoundWord parts:[...0x16fe])
        (CompoundWord
          parts: [(Token id:Id.Lit_Chars col:3 length:4 span_id:125 line:...0x1702 tval:cell)]
        )
        (CompoundWord
          parts: [(Token id:Id.Lit_Chars col:8 length:5 span_id:127 line:...0x1702 tval:list2)]
        )
      ]
      redirects: []
      do_fork: T
    )
    (command.ShAssignment
      left: 
        (Token
          id: Id.Lit_VarLike
          col: 0
          length: 5
          span_id: 130
          line: 
            (SourceLine
              line_num: 28
              content: "str1='shell string'  # traditinoal shell-style assignment\n"
              src: ...0x1d89
            )
          tval: "str1="
        )
      pairs: [
        (AssignPair
          left: ...0x16aa
          lhs: (sh_lhs.Name left:...0x16aa name:str1)
          op: assign_op.Equal
          rhs: 
            (CompoundWord
              parts: [
                (SingleQuoted
                  left: 
                    (Token
                      id: Id.Left_SingleQuote
                      col: 5
                      length: 1
                      span_id: 131
                      line: ...0x16ae
                      tval: "'"
                    )
                  tokens: [
                    (Token
                      id: Id.Lit_Chars
                      col: 6
                      length: 12
                      span_id: 132
                      line: ...0x16ae
                      tval: "shell string"
                    )
                  ]
                  right: 
                    (Token
                      id: Id.Right_SingleQuote
                      col: 18
                      length: 1
                      span_id: 133
                      line: ...0x16ae
                      tval: "'"
                    )
                )
              ]
            )
        )
      ]
      redirects: []
    )
    (command.VarDecl
      keyword: 
        (Token
          id: Id.KW_Var
          col: 0
          length: 3
          span_id: 142
          line: (SourceLine line_num:31 content:"var str2 = \"Oil string\"\n" src:...0x1d89)
          tval: var
        )
      lhs: [
        (NameType
          left: (Token id:Id.Expr_Name col:4 length:4 span_id:144 line:...0x1626 tval:str2)
          name: str2
        )
      ]
      rhs: 
        (DoubleQuoted
          left: (Token id:Id.Left_DoubleQuote col:11 length:1 span_id:148 line:...0x1626 tval:"\"")
          parts: [
            (Token
              id: Id.Lit_Chars
              col: 12
              length: 10
              span_id: 149
              line: ...0x1626
              tval: "Oil string"
            )
          ]
          right: (Token id:Id.Right_DoubleQuote col:22 length:1 span_id:150 line:...0x1626 tval:"\"")
        )
    )
    (command.VarDecl
      keyword: 
        (Token
          id: Id.KW_Var
          col: 0
          length: 3
          span_id: 153
          line: (SourceLine line_num:33 content:"var str3 = str1 ++ str2\n" src:...0x1d89)
          tval: var
        )
      lhs: [
        (NameType
          left: (Token id:Id.Expr_Name col:4 length:4 span_id:155 line:...0x155e tval:str3)
          name: str3
        )
      ]
      rhs: 
        (expr.Binary
          op: (Token id:Id.Arith_DPlus col:16 length:2 span_id:161 line:...0x155e)
          left: 
            (expr.Var
              left: (Token id:Id.Expr_Name col:11 length:4 span_id:159 line:...0x155e tval:str1)
              name: str1
            )
          right: 
            (expr.Var
              left: (Token id:Id.Expr_Name col:19 length:4 span_id:163 line:...0x155e tval:str2)
              name: str2
            )
        )
    )
    (command.Simple
      blame_tok: 
        (Token
          id: Id.Lit_Chars
          col: 0
          length: 4
          span_id: 166
          line: (SourceLine line_num:35 content:"echo \"str3 = $str3\"\n" src:...0x1d89)
          tval: echo
        )
      more_env: []
      words: [
        (CompoundWord parts:[...0x1f36])
        (CompoundWord
          parts: [
            (DoubleQuoted
              left: 
                (Token
                  id: Id.Left_DoubleQuote
                  col: 5
                  length: 1
                  span_id: 168
                  line: ...0x1f3a
                  tval: "\""
                )
              parts: [
                (Token
                  id: Id.Lit_Chars
                  col: 6
                  length: 7
                  span_id: 169
                  line: ...0x1f3a
                  tval: "str3 = "
                )
                (NameTok
                  left: 
                    (Token
                      id: Id.VSub_DollarName
                      col: 13
                      length: 5
                      span_id: 170
                      line: ...0x1f3a
                      tval: "$str3"
                    )
                  var_name: str3
                )
              ]
              right: 
                (Token
                  id: Id.Right_DoubleQuote
                  col: 18
                  length: 1
                  span_id: 171
                  line: ...0x1f3a
                  tval: "\""
                )
            )
          ]
        )
      ]
      redirects: []
      do_fork: T
    )
  ]
)
---
(command.CommandList
  children: [
    (command.ShFunction
      name_tok: 
        (Token
          id: Id.Lit_Chars
          col: 0
          length: 4
          span_id: 19
          line: 
            (SourceLine
              line_num: 8
              content: "argv() { spec/bin/argv.py \"$@\"; }\n"
              src: (source.MainFile path:ysh/testdata/array-rewrite-1.sh)
            )
          tval: argv
        )
      name: argv
      body: 
        (BraceGroup
          left: (Token id:Id.Lit_LBrace col:7 length:1 span_id:23 line:...0x1392 tval:"{")
          children: [
            (command.Sentence
              child: 
                (command.Simple
                  blame_tok: 
                    (Token
                      id: Id.Lit_Chars
                      col: 9
                      length: 4
                      span_id: 25
                      line: ...0x1392
                      tval: spec
                    )
                  more_env: []
                  words: [
                    (CompoundWord
                      parts: [
                        ...0x1352
                        (Token
                          id: Id.Lit_Slash
                          col: 13
                          length: 1
                          span_id: 26
                          line: ...0x1392
                          tval: /
                        )
                        (Token
                          id: Id.Lit_Chars
                          col: 14
                          length: 3
                          span_id: 27
                          line: ...0x1392
                          tval: bin
                        )
                        (Token
                          id: Id.Lit_Slash
                          col: 17
                          length: 1
                          span_id: 28
                          line: ...0x1392
                          tval: /
                        )
                        (Token
                          id: Id.Lit_Chars
                          col: 18
                          length: 7
                          span_id: 29
                          line: ...0x1392
                          tval: argv.py
                        )
                      ]
                    )
                    (CompoundWord
                      parts: [
                        (DoubleQuoted
                          left: 
                            (Token
                              id: Id.Left_DoubleQuote
                              col: 26
                              length: 1
                              span_id: 31
                              line: ...0x1392
                              tval: "\""
                            )
                          parts: [
                            (NameTok
                              left: 
                                (Token
                                  id: Id.VSub_At
                                  col: 27
                                  length: 2
                                  span_id: 32
                                  line: ...0x1392
                                  tval: "$@"
                                )
                              var_name: "@"
                            )
                          ]
                          right: 
                            (Token
                              id: Id.Right_DoubleQuote
                              col: 29
                              length: 1
                              span_id: 33
                              line: ...0x1392
                              tval: "\""
                            )
                        )
                      ]
                    )
                  ]
                  redirects: []
                  do_fork: T
                )
              terminator: (Token id:Id.Op_Semi col:30 length:1 span_id:34 line:...0x1392)
            )
          ]
          redirects: []
          right: (Token id:Id.Lit_RBrace col:32 length:1 span_id:36 line:...0x1392 tval:"}")
        )
    )
    (command.ShAssignment
      left: 
        (Token
          id: Id.Lit_VarLike
          col: 0
          length: 6
          span_id: 49
          line: (SourceLine line_num:14 content:"regex=(old1 old2)\n" src:...0x1d89)
          tval: "regex="
        )
      pairs: [
        (AssignPair
          left: ...0x127e
          lhs: (sh_lhs.Name left:...0x127e name:regex)
          op: assign_op.Equal
          rhs: 
            (CompoundWord
              parts: [
                (ShArrayLiteral
                  left: (Token id:Id.Op_LParen col:6 length:1 span_id:50 line:...0x1282)
                  words: [
                    (CompoundWord
                      parts: [
                        (Token
                          id: Id.Lit_Chars
                          col: 7
                          length: 4
                          span_id: 51
                          line: ...0x1282
                          tval: old1
                        )
                      ]
                    )
                    (CompoundWord
                      parts: [
                        (Token
                          id: Id.Lit_Chars
                          col: 12
                          length: 4
                          span_id: 53
                          line: ...0x1282
                          tval: old2
                        )
                      ]
                    )
                  ]
                  right: (Token id:Id.Right_ShArrayLiteral col:16 length:1 span_id:54 line:...0x1282)
                )
              ]
            )
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      left: 
        (Token
          id: Id.Lit_VarLike
          col: 0
          length: 6
          span_id: 56
          line: (SourceLine line_num:15 content:"flags=()\n" src:...0x1d89)
          tval: "flags="
        )
      pairs: [
        (AssignPair
          left: ...0x120e
          lhs: (sh_lhs.Name left:...0x120e name:flags)
          op: assign_op.Equal
          rhs: 
            (CompoundWord
              parts: [
                (ShArrayLiteral
                  left: (Token id:Id.Op_LParen col:6 length:1 span_id:57 line:...0x1212)
                  words: []
                  right: (Token id:Id.Right_ShArrayLiteral col:7 length:1 span_id:58 line:...0x1212)
                )
              ]
            )
        )
      ]
      redirects: []
    )
    (command.ForEach
      keyword: 
        (Token
          id: Id.KW_For
          col: 0
          length: 3
          span_id: 61
          line: (SourceLine line_num:17 content:"for r in \"${regex[@]}\"; do\n" src:...0x1d89)
          tval: for
        )
      iter_names: [r]
      iterable: 
        (for_iter.Words
          words: [
            (CompoundWord
              parts: [
                (DoubleQuoted
                  left: 
                    (Token
                      id: Id.Left_DoubleQuote
                      col: 9
                      length: 1
                      span_id: 67
                      line: ...0x11ba
                      tval: "\""
                    )
                  parts: [
                    (BracedVarSub
                      left: 
                        (Token
                          id: Id.Left_DollarBrace
                          col: 10
                          length: 2
                          span_id: 68
                          line: ...0x11ba
                          tval: "${"
                        )
                      token: 
                        (Token
                          id: Id.VSub_Name
                          col: 12
                          length: 5
                          span_id: 69
                          line: ...0x11ba
                          tval: regex
                        )
                      var_name: regex
                      bracket_op: (bracket_op.WholeArray op_id:Id.Lit_At)
                      right: 
                        (Token
                          id: Id.Right_DollarBrace
                          col: 20
                          length: 1
                          span_id: 73
                          line: ...0x11ba
                          tval: "}"
                        )
                    )
                  ]
                  right: 
                    (Token
                      id: Id.Right_DoubleQuote
                      col: 21
                      length: 1
                      span_id: 74
                      line: ...0x11ba
                      tval: "\""
                    )
                )
              ]
            )
          ]
        )
      semi_tok: (Token id:Id.Op_Semi col:22 length:1 span_id:75 line:...0x11ba)
      body: 
        (command.DoGroup
          left: (Token id:Id.KW_Do col:24 length:2 span_id:77 line:...0x11ba tval:do)
          children: [
            (command.ShAssignment
              left: 
                (Token
                  id: Id.Lit_ArrayLhsOpen
                  col: 2
                  length: 6
                  span_id: 80
                  line: 
                    (SourceLine
                      line_num: 18
                      content: "  flags[${#flags[@]}]=\"--regex=$r\"\n"
                      src: ...0x1d89
                    )
                  tval: "flags["
                )
              pairs: [
                (AssignPair
                  left: ...0x112e
                  lhs: 
                    (sh_lhs.IndexedName
                      left: ...0x112e
                      name: flags
                      index: 
                        (CompoundWord
                          parts: [
                            (BracedVarSub
                              left: 
                                (Token
                                  id: Id.Left_DollarBrace
                                  col: 0
                                  length: 2
                                  span_id: 94
                                  line: 
                                    (SourceLine
                                      line_num: 1
                                      content: "${#flags[@]}"
                                      src: 
                                        (source.Reparsed
                                          what: "array LHS"
                                          left_token: ...0x112e
                                          right_token: 
                                            (Token
                                              id: Id.Lit_ArrayLhsClose
                                              col: 20
                                              length: 2
                                              span_id: 88
                                              line: ...0x1136
                                              tval: "]="
                                            )
                                        )
                                    )
                                  tval: "${"
                                )
                              token: 
                                (Token
                                  id: Id.VSub_Name
                                  col: 3
                                  length: 5
                                  span_id: 96
                                  line: ...0x10b2
                                  tval: flags
                                )
                              var_name: flags
                              prefix_op: 
                                (Token
                                  id: Id.VSub_Pound
                                  col: 2
                                  length: 1
                                  span_id: 95
                                  line: ...0x10b2
                                  tval: "#"
                                )
                              bracket_op: (bracket_op.WholeArray op_id:Id.Lit_At)
                              right: 
                                (Token
                                  id: Id.Right_DollarBrace
                                  col: 11
                                  length: 1
                                  span_id: 100
                                  line: ...0x10b2
                                  tval: "}"
                                )
                            )
                          ]
                        )
                    )
                  op: assign_op.Equal
                  rhs: 
                    (CompoundWord
                      parts: [
                        (DoubleQuoted
                          left: 
                            (Token
                              id: Id.Left_DoubleQuote
                              col: 22
                              length: 1
                              span_id: 89
                              line: ...0x1136
                              tval: "\""
                            )
                          parts: [
                            (Token
                              id: Id.Lit_Chars
                              col: 23
                              length: 8
                              span_id: 90
                              line: ...0x1136
                              tval: "--regex="
                            )
                            (NameTok
                              left: 
                                (Token
                                  id: Id.VSub_DollarName
                                  col: 31
                                  length: 2
                                  span_id: 91
                                  line: ...0x1136
                                  tval: "$r"
                                )
                              var_name: r
                            )
                          ]
                          right: 
                            (Token
                              id: Id.Right_DoubleQuote
                              col: 33
                              length: 1
                              span_id: 92
                              line: ...0x1136
                              tval: "\""
                            )
                        )
                      ]
                    )
                )
              ]
              redirects: []
            )
          ]
          right: 
            (Token
              id: Id.KW_Done
              col: 0
              length: 4
              span_id: 102
              line: (SourceLine line_num:19 content:"done\n" src:...0x1d89)
              tval: done
            )
        )
      redirects: []
    )
    (command.Simple
      blame_tok: 
        (Token
          id: Id.Lit_Chars
          col: 0
          length: 4
          span_id: 105
          line: (SourceLine line_num:21 content:"argv \"${flags[@]}\"\n" src:...0x1d89)
          tval: argv
        )
      more_env: []
      words: [
        (CompoundWord parts:[...0x1042])
        (CompoundWord
          parts: [
            (DoubleQuoted
              left: 
                (Token
                  id: Id.Left_DoubleQuote
                  col: 5
                  length: 1
                  span_id: 107
                  line: ...0x1046
                  tval: "\""
                )
              parts: [
                (BracedVarSub
                  left: 
                    (Token
                      id: Id.Left_DollarBrace
                      col: 6
                      length: 2
                      span_id: 108
                      line: ...0x1046
                      tval: "${"
                    )
                  token: (Token id:Id.VSub_Name col:8 length:5 span_id:109 line:...0x1046 tval:flags)
                  var_name: flags
                  bracket_op: (bracket_op.WholeArray op_id:Id.Lit_At)
                  right: 
                    (Token
                      id: Id.Right_DollarBrace
                      col: 16
                      length: 1
                      span_id: 113
                      line: ...0x1046
                      tval: "}"
                    )
                )
              ]
              right: 
                (Token
                  id: Id.Right_DoubleQuote
                  col: 17
                  length: 1
                  span_id: 114
                  line: ...0x1046
                  tval: "\""
                )
            )
          ]
        )
      ]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: 
        (Token
          id: Id.Lit_Chars
          col: 0
          length: 5
          span_id: 146
          line: (SourceLine line_num:34 content:"shopt -s simple_word_eval parse_at\n" src:...0x1d89)
          tval: shopt
        )
      more_env: []
      words: [
        (CompoundWord parts:[...0x19d2])
        (CompoundWord
          parts: [(Token id:Id.Lit_Chars col:6 length:2 span_id:148 line:...0x19d6 tval:-s)]
        )
        (CompoundWord
          parts: [
            (Token
              id: Id.Lit_Chars
              col: 9
              length: 16
              span_id: 150
              line: ...0x19d6
              tval: simple_word_eval
            )
          ]
        )
        (CompoundWord
          parts: [(Token id:Id.Lit_Chars col:26 length:8 span_id:152 line:...0x19d6 tval:parse_at)]
        )
      ]
      redirects: []
      do_fork: T
    )
    (command.VarDecl
      keyword: 
        (Token
          id: Id.KW_Var
          col: 0
          length: 3
          span_id: 155
          line: (SourceLine line_num:36 content:"var regex2 = %(new1 new2)\n" src:...0x1d89)
          tval: var
        )
      lhs: [
        (NameType
          left: (Token id:Id.Expr_Name col:4 length:6 span_id:157 line:...0x196a tval:regex2)
          name: regex2
        )
      ]
      rhs: 
        (ShArrayLiteral
          left: (Token id:Id.Left_PercentParen col:13 length:2 span_id:161 line:...0x196a tval:"%(")
          words: [
            (CompoundWord
              parts: [(Token id:Id.Lit_Chars col:15 length:4 span_id:162 line:...0x196a tval:new1)]
            )
            (CompoundWord
              parts: [(Token id:Id.Lit_Chars col:20 length:4 span_id:164 line:...0x196a tval:new2)]
            )
          ]
          right: (Token id:Id.Right_ShArrayLiteral col:24 length:1 span_id:165 line:...0x196a)
        )
    )
    (command.VarDecl
      keyword: 
        (Token
          id: Id.KW_Var
          col: 0
          length: 3
          span_id: 167
          line: (SourceLine line_num:37 content:"var flags2 = %()\n" src:...0x1d89)
          tval: var
        )
      lhs: [
        (NameType
          left: (Token id:Id.Expr_Name col:4 length:6 span_id:169 line:...0x1896 tval:flags2)
          name: flags2
        )
      ]
      rhs: 
        (ShArrayLiteral
          left: (Token id:Id.Left_PercentParen col:13 length:2 span_id:173 line:...0x1896 tval:"%(")
          words: []
          right: (Token id:Id.Right_ShArrayLiteral col:15 length:1 span_id:174 line:...0x1896)
        )
    )
    (command.ForEach
      keyword: 
        (Token
          id: Id.KW_For
          col: 0
          length: 3
          span_id: 177
          line: (SourceLine line_num:39 content:"for r in @regex2; do\n" src:...0x1d89)
          tval: for
        )
      iter_names: [r]
      iterable: 
        (for_iter.Words
          words: [
            (CompoundWord
              parts: [
                (Token
                  id: Id.Lit_Splice
                  col: 9
                  length: 7
                  span_id: 183
                  line: ...0x17da
                  tval: "@regex2"
                )
              ]
            )
          ]
        )
      semi_tok: (Token id:Id.Op_Semi col:16 length:1 span_id:184 line:...0x17da)
      body: 
        (command.DoGroup
          left: (Token id:Id.KW_Do col:18 length:2 span_id:186 line:...0x17da tval:do)
          children: [
            (command.Simple
              blame_tok: 
                (Token
                  id: Id.Lit_Chars
                  col: 2
                  length: 6
                  span_id: 189
                  line: 
                    (SourceLine
                      line_num: 40
                      content: "  append \"--regex=$r\" (flags2)\n"
                      src: ...0x1d89
                    )
                  tval: append
                )
              more_env: []
              words: [
                (CompoundWord parts:[...0x176e])
                (CompoundWord
                  parts: [
                    (DoubleQuoted
                      left: 
                        (Token
                          id: Id.Left_DoubleQuote
                          col: 9
                          length: 1
                          span_id: 191
                          line: ...0x1776
                          tval: "\""
                        )
                      parts: [
                        (Token
                          id: Id.Lit_Chars
                          col: 10
                          length: 8
                          span_id: 192
                          line: ...0x1776
                          tval: "--regex="
                        )
                        (NameTok
                          left: 
                            (Token
                              id: Id.VSub_DollarName
                              col: 18
                              length: 2
                              span_id: 193
                              line: ...0x1776
                              tval: "$r"
                            )
                          var_name: r
                        )
                      ]
                      right: 
                        (Token
                          id: Id.Right_DoubleQuote
                          col: 20
                          length: 1
                          span_id: 194
                          line: ...0x1776
                          tval: "\""
                        )
                    )
                  ]
                )
              ]
              redirects: []
              typed_args: 
                (ArgList
                  left: (Token id:Id.Op_LParen col:22 length:1 span_id:196 line:...0x1776)
                  pos_args: [
                    (expr.Var
                      left: 
                        (Token
                          id: Id.Expr_Name
                          col: 23
                          length: 6
                          span_id: 197
                          line: ...0x1776
                          tval: flags2
                        )
                      name: flags2
                    )
                  ]
                  named_args: []
                  right: (Token id:Id.Op_RParen col:29 length:1 span_id:198 line:...0x1776)
                )
              do_fork: T
            )
          ]
          right: 
            (Token
              id: Id.KW_Done
              col: 0
              length: 4
              span_id: 200
              line: (SourceLine line_num:41 content:"done\n" src:...0x1d89)
              tval: done
            )
        )
      redirects: []
    )
    (command.Simple
      blame_tok: 
        (Token
          id: Id.Lit_Chars
          col: 0
          length: 4
          span_id: 203
          line: (SourceLine line_num:43 content:"argv @flags2\n" src:...0x1d89)
          tval: argv
        )
      more_env: []
      words: [
        (CompoundWord parts:[...0x1682])
        (CompoundWord
          parts: [(Token id:Id.Lit_Splice col:5 length:7 span_id:205 line:...0x1686 tval:"@flags2")]
        )
      ]
      redirects: []
      do_fork: T
    )
  ]
)
---
(command.CommandList
  children: [
    (command.ShFunction
      name_tok: 
        (Token
          id: Id.Lit_Chars
          col: 0
          length: 4
          span_id: 19
          line: 
            (SourceLine
              line_num: 8
              content: "argv() { spec/bin/argv.py \"$@\"; }\n"
              src: (source.MainFile path:ysh/testdata/array-rewrite-2.sh)
            )
          tval: argv
        )
      name: argv
      body: 
        (BraceGroup
          left: (Token id:Id.Lit_LBrace col:7 length:1 span_id:23 line:...0x1396 tval:"{")
          children: [
            (command.Sentence
              child: 
                (command.Simple
                  blame_tok: 
                    (Token
                      id: Id.Lit_Chars
                      col: 9
                      length: 4
                      span_id: 25
                      line: ...0x1396
                      tval: spec
                    )
                  more_env: []
                  words: [
                    (CompoundWord
                      parts: [
                        ...0x1356
                        (Token
                          id: Id.Lit_Slash
                          col: 13
                          length: 1
                          span_id: 26
                          line: ...0x1396
                          tval: /
                        )
                        (Token
                          id: Id.Lit_Chars
                          col: 14
                          length: 3
                          span_id: 27
                          line: ...0x1396
                          tval: bin
                        )
                        (Token
                          id: Id.Lit_Slash
                          col: 17
                          length: 1
                          span_id: 28
                          line: ...0x1396
                          tval: /
                        )
                        (Token
                          id: Id.Lit_Chars
                          col: 18
                          length: 7
                          span_id: 29
                          line: ...0x1396
                          tval: argv.py
                        )
                      ]
                    )
                    (CompoundWord
                      parts: [
                        (DoubleQuoted
                          left: 
                            (Token
                              id: Id.Left_DoubleQuote
                              col: 26
                              length: 1
                              span_id: 31
                              line: ...0x1396
                              tval: "\""
                            )
                          parts: [
                            (NameTok
                              left: 
                                (Token
                                  id: Id.VSub_At
                                  col: 27
                                  length: 2
                                  span_id: 32
                                  line: ...0x1396
                                  tval: "$@"
                                )
                              var_name: "@"
                            )
                          ]
                          right: 
                            (Token
                              id: Id.Right_DoubleQuote
                              col: 29
                              length: 1
                              span_id: 33
                              line: ...0x1396
                              tval: "\""
                            )
                        )
                      ]
                    )
                  ]
                  redirects: []
                  do_fork: T
                )
              terminator: (Token id:Id.Op_Semi col:30 length:1 span_id:34 line:...0x1396)
            )
          ]
          redirects: []
          right: (Token id:Id.Lit_RBrace col:32 length:1 span_id:36 line:...0x1396 tval:"}")
        )
    )
    (command.ShAssignment
      left: 
        (Token
          id: Id.Lit_VarLike
          col: 0
          length: 16
          span_id: 52
          line: (SourceLine line_num:15 content:"CONFIG_HAVE_FOO=yes\n" src:...0x1d89)
          tval: "CONFIG_HAVE_FOO="
        )
      pairs: [
        (AssignPair
          left: ...0x126e
          lhs: (sh_lhs.Name left:...0x126e name:CONFIG_HAVE_FOO)
          op: assign_op.Equal
          rhs: 
            (CompoundWord
              parts: [(Token id:Id.Lit_Chars col:16 length:3 span_id:53 line:...0x1276 tval:yes)]
            )
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      left: 
        (Token
          id: Id.Lit_VarLike
          col: 0
          length: 5
          span_id: 55
          line: (SourceLine line_num:16 content:"path='/etc/path with spaces'\n" src:...0x1d89)
          tval: "path="
        )
      pairs: [
        (AssignPair
          left: ...0x121e
          lhs: (sh_lhs.Name left:...0x121e name:path)
          op: assign_op.Equal
          rhs: 
            (CompoundWord
              parts: [
                (SingleQuoted
                  left: 
                    (Token
                      id: Id.Left_SingleQuote
                      col: 5
                      length: 1
                      span_id: 56
                      line: ...0x1222
                      tval: "'"
                    )
                  tokens: [
                    (Token
                      id: Id.Lit_Chars
                      col: 6
                      length: 21
                      span_id: 57
                      line: ...0x1222
                      tval: "/etc/path with spaces"
                    )
                  ]
                  right: 
                    (Token
                      id: Id.Right_SingleQuote
                      col: 27
                      length: 1
                      span_id: 58
                      line: ...0x1222
                      tval: "'"
                    )
                )
              ]
            )
        )
      ]
      redirects: []
    )
    (command.ShAssignment
      left: 
        (Token
          id: Id.Lit_VarLike
          col: 0
          length: 6
          span_id: 60
          line: (SourceLine line_num:17 content:"flags=''\n" src:...0x1d89)
          tval: "flags="
        )
      pairs: [
        (AssignPair
          left: ...0x11be
          lhs: (sh_lhs.Name left:...0x11be name:flags)
          op: assign_op.Equal
          rhs: 
            (CompoundWord
              parts: [
                (SingleQuoted
                  left: 
                    (Token
                      id: Id.Left_SingleQuote
                      col: 6
                      length: 1
                      span_id: 61
                      line: ...0x11c2
                      tval: "'"
                    )
                  tokens: []
                  right: 
                    (Token
                      id: Id.Right_SingleQuote
                      col: 7
                      length: 1
                      span_id: 62
                      line: ...0x11c2
                      tval: "'"
                    )
                )
              ]
            )
        )
      ]
      redirects: []
    )
    (command.If
      if_kw: 
        (Token
          id: Id.KW_If
          col: 0
          length: 2
          span_id: 66
          line: 
            (SourceLine
              line_num: 20
              content: "if [ -n \"${CONFIG_HAVE_FOO}\" ]; then\n"
              src: ...0x1d89
            )
          tval: if
        )
      arms: [
        (IfArm
          keyword: ...0x1162
          cond: 
            (condition.Shell
              commands: [
                (command.Sentence
                  child: 
                    (command.Simple
                      blame_tok: 
                        (Token
                          id: Id.Lit_LBracket
                          col: 3
                          length: 1
                          span_id: 68
                          line: ...0x1166
                          tval: "["
                        )
                      more_env: []
                      words: [
                        (CompoundWord parts:[...0x1152])
                        (CompoundWord
                          parts: [
                            (Token
                              id: Id.Lit_Chars
                              col: 5
                              length: 2
                              span_id: 70
                              line: ...0x1166
                              tval: -n
                            )
                          ]
                        )
                        (CompoundWord
                          parts: [
                            (DoubleQuoted
                              left: 
                                (Token
                                  id: Id.Left_DoubleQuote
                                  col: 8
                                  length: 1
                                  span_id: 72
                                  line: ...0x1166
                                  tval: "\""
                                )
                              parts: [
                                (BracedVarSub
                                  left: 
                                    (Token
                                      id: Id.Left_DollarBrace
                                      col: 9
                                      length: 2
                                      span_id: 73
                                      line: ...0x1166
                                      tval: "${"
                                    )
                                  token: 
                                    (Token
                                      id: Id.VSub_Name
                                      col: 11
                                      length: 15
                                      span_id: 74
                                      line: ...0x1166
                                      tval: CONFIG_HAVE_FOO
                                    )
                                  var_name: CONFIG_HAVE_FOO
                                  right: 
                                    (Token
                                      id: Id.Right_DollarBrace
                                      col: 26
                                      length: 1
                                      span_id: 75
                                      line: ...0x1166
                                      tval: "}"
                                    )
                                )
                              ]
                              right: 
                                (Token
                                  id: Id.Right_DoubleQuote
                                  col: 27
                                  length: 1
                                  span_id: 76
                                  line: ...0x1166
                                  tval: "\""
                                )
                            )
                          ]
                        )
                        (CompoundWord
                          parts: [
                            (Token
                              id: Id.Lit_RBracket
                              col: 29
                              length: 1
                              span_id: 78
                              line: ...0x1166
                              tval: "]"
                            )
                          ]
                        )
                      ]
                      redirects: []
                      do_fork: T
                    )
                  terminator: (Token id:Id.Op_Semi col:30 length:1 span_id:79 line:...0x1166)
                )
              ]
            )
          then_kw: (Token id:Id.KW_Then col:32 length:4 span_id:81 line:...0x1166 tval:then)
          action: [
            (command.ShAssignment
              left: 
                (Token
                  id: Id.Lit_VarLike
                  col: 2
                  length: 6
                  span_id: 84
                  line: 
                    (SourceLine
                      line_num: 21
                      content: "  flags=\"${flags} --foo=$path\"\n"
                      src: ...0x1d89
                    )
                  tval: "flags="
                )
              pairs: [
                (AssignPair
                  left: ...0x10be
                  lhs: (sh_lhs.Name left:...0x10be name:flags)
                  op: assign_op.Equal
                  rhs: 
                    (CompoundWord
                      parts: [
                        (DoubleQuoted
                          left: 
                            (Token
                              id: Id.Left_DoubleQuote
                              col: 8
                              length: 1
                              span_id: 85
                              line: ...0x10c6
                              tval: "\""
                            )
                          parts: [
                            (BracedVarSub
                              left: 
                                (Token
                                  id: Id.Left_DollarBrace
                                  col: 9
                                  length: 2
                                  span_id: 86
                                  line: ...0x10c6
                                  tval: "${"
                                )
                              token: 
                                (Token
                                  id: Id.VSub_Name
                                  col: 11
                                  length: 5
                                  span_id: 87
                                  line: ...0x10c6
                                  tval: flags
                                )
                              var_name: flags
                              right: 
                                (Token
                                  id: Id.Right_DollarBrace
                                  col: 16
                                  length: 1
                                  span_id: 88
                                  line: ...0x10c6
                                  tval: "}"
                                )
                            )
                            (Token
                              id: Id.Lit_Chars
                              col: 17
                              length: 7
                              span_id: 89
                              line: ...0x10c6
                              tval: " --foo="
                            )
                            (NameTok
                              left: 
                                (Token
                                  id: Id.VSub_DollarName
                                  col: 24
                                  length: 5
                                  span_id: 90
                                  line: ...0x10c6
                                  tval: "$path"
                                )
                              var_name: path
                            )
                          ]
                          right: 
                            (Token
                              id: Id.Right_DoubleQuote
                              col: 29
                              length: 1
                              span_id: 91
                              line: ...0x10c6
                              tval: "\""
                            )
                        )
                      ]
                    )
                )
              ]
              redirects: []
            )
          ]
          spids: [66 81]
        )
      ]
      else_action: []
      fi_kw: 
        (Token
          id: Id.KW_Fi
          col: 0
          length: 2
          span_id: 93
          line: (SourceLine line_num:22 content:"fi\n" src:...0x1d89)
          tval: fi
        )
      redirects: []
    )
    (command.If
      if_kw: 
        (Token
          id: Id.KW_If
          col: 0
          length: 2
          span_id: 96
          line: 
            (SourceLine
              line_num: 24
              content: "if [ -n \"${CONFIG_HAVE_BAR}\" ]; then\n"
              src: ...0x1d89
            )
          tval: if
        )
      arms: [
        (IfArm
          keyword: ...0x1036
          cond: 
            (condition.Shell
              commands: [
                (command.Sentence
                  child: 
                    (command.Simple
                      blame_tok: 
                        (Token
                          id: Id.Lit_LBracket
                          col: 3
                          length: 1
                          span_id: 98
                          line: ...0x103a
                          tval: "["
                        )
                      more_env: []
                      words: [
                        (CompoundWord parts:[...0x1026])
                        (CompoundWord
                          parts: [
                            (Token
                              id: Id.Lit_Chars
                              col: 5
                              length: 2
                              span_id: 100
                              line: ...0x103a
                              tval: -n
                            )
                          ]
                        )
                        (CompoundWord
                          parts: [
                            (DoubleQuoted
                              left: 
                                (Token
                                  id: Id.Left_DoubleQuote
                                  col: 8
                                  length: 1
                                  span_id: 102
                                  line: ...0x103a
                                  tval: "\""
                                )
                              parts: [
                                (BracedVarSub
                                  left: 
                                    (Token
                                      id: Id.Left_DollarBrace
                                      col: 9
                                      length: 2
                                      span_id: 103
                                      line: ...0x103a
                                      tval: "${"
                                    )
                                  token: 
                                    (Token
                                      id: Id.VSub_Name
                                      col: 11
                                      length: 15
                                      span_id: 104
                                      line: ...0x103a
                                      tval: CONFIG_HAVE_BAR
                                    )
                                  var_name: CONFIG_HAVE_BAR
                                  right: 
                                    (Token
                                      id: Id.Right_DollarBrace
                                      col: 26
                                      length: 1
                                      span_id: 105
                                      line: ...0x103a
                                      tval: "}"
                                    )
                                )
                              ]
                              right: 
                                (Token
                                  id: Id.Right_DoubleQuote
                                  col: 27
                                  length: 1
                                  span_id: 106
                                  line: ...0x103a
                                  tval: "\""
                                )
                            )
                          ]
                        )
                        (CompoundWord
                          parts: [
                            (Token
                              id: Id.Lit_RBracket
                              col: 29
                              length: 1
                              span_id: 108
                              line: ...0x103a
                              tval: "]"
                            )
                          ]
                        )
                      ]
                      redirects: []
                      do_fork: T
                    )
                  terminator: (Token id:Id.Op_Semi col:30 length:1 span_id:109 line:...0x103a)
                )
              ]
            )
          then_kw: (Token id:Id.KW_Then col:32 length:4 span_id:111 line:...0x103a tval:then)
          action: [
            (command.ShAssignment
              left: 
                (Token
                  id: Id.Lit_VarLike
                  col: 2
                  length: 6
                  span_id: 114
                  line: (SourceLine line_num:25 content:"  flags=\"${flags} --bar\"\n" src:...0x1d89)
                  tval: "flags="
                )
              pairs: [
                (AssignPair
                  left: ...0x1a3a
                  lhs: (sh_lhs.Name left:...0x1a3a name:flags)
                  op: assign_op.Equal
                  rhs: 
                    (CompoundWord
                      parts: [
                        (DoubleQuoted
                          left: 
                            (Token
                              id: Id.Left_DoubleQuote
                              col: 8
                              length: 1
                              span_id: 115
                              line: ...0x1a42
                              tval: "\""
                            )
                          parts: [
                            (BracedVarSub
                              left: 
                                (Token
                                  id: Id.Left_DollarBrace
                                  col: 9
                                  length: 2
                                  span_id: 116
                                  line: ...0x1a42
                                  tval: "${"
                                )
                              token: 
                                (Token
                                  id: Id.VSub_Name
                                  col: 11
                                  length: 5
                                  span_id: 117
                                  line: ...0x1a42
                                  tval: flags
                                )
                              var_name: flags
                              right: 
                                (Token
                                  id: Id.Right_DollarBrace
                                  col: 16
                                  length: 1
                                  span_id: 118
                                  line: ...0x1a42
                                  tval: "}"
                                )
                            )
                            (Token
                              id: Id.Lit_Chars
                              col: 17
                              length: 6
                              span_id: 119
                              line: ...0x1a42
                              tval: " --bar"
                            )
                          ]
                          right: 
                            (Token
                              id: Id.Right_DoubleQuote
                              col: 23
                              length: 1
                              span_id: 120
                              line: ...0x1a42
                              tval: "\""
                            )
                        )
                      ]
                    )
                )
              ]
              redirects: []
            )
          ]
          spids: [96 111]
        )
      ]
      else_action: []
      fi_kw: 
        (Token
          id: Id.KW_Fi
          col: 0
          length: 2
          span_id: 122
          line: (SourceLine line_num:26 content:"fi\n" src:...0x1d89)
          tval: fi
        )
      redirects: []
    )
    (command.Simple
      blame_tok: 
        (Token
          id: Id.Lit_Chars
          col: 0
          length: 4
          span_id: 125
          line: 
            (SourceLine
              line_num: 28
              content: "argv ${flags}  # unquoted splitting\n"
              src: ...0x1d89
            )
          tval: argv
        )
      more_env: []
      words: [
        (CompoundWord parts:[...0x19b6])
        (CompoundWord
          parts: [
            (BracedVarSub
              left: 
                (Token
                  id: Id.Left_DollarBrace
                  col: 5
                  length: 2
                  span_id: 127
                  line: ...0x19ba
                  tval: "${"
                )
              token: (Token id:Id.VSub_Name col:7 length:5 span_id:128 line:...0x19ba tval:flags)
              var_name: flags
              right: 
                (Token
                  id: Id.Right_DollarBrace
                  col: 12
                  length: 1
                  span_id: 129
                  line: ...0x19ba
                  tval: "}"
                )
            )
          ]
        )
      ]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: 
        (Token
          id: Id.Lit_Chars
          col: 0
          length: 3
          span_id: 161
          line: (SourceLine line_num:40 content:"set -o errexit\n" src:...0x1d89)
          tval: set
        )
      more_env: []
      words: [
        (CompoundWord parts:[...0x18be])
        (CompoundWord
          parts: [(Token id:Id.Lit_Chars col:4 length:2 span_id:163 line:...0x18c2 tval:-o)]
        )
        (CompoundWord
          parts: [(Token id:Id.Lit_Chars col:7 length:7 span_id:165 line:...0x18c2 tval:errexit)]
        )
      ]
      redirects: []
      do_fork: T
    )
    (command.Simple
      blame_tok: 
        (Token
          id: Id.Lit_Chars
          col: 0
          length: 5
          span_id: 167
          line: (SourceLine line_num:41 content:"shopt -s parse_at simple_word_eval\n" src:...0x1d89)
          tval: shopt
        )
      more_env: []
      words: [
        (CompoundWord parts:[...0x1872])
        (CompoundWord
          parts: [(Token id:Id.Lit_Chars col:6 length:2 span_id:169 line:...0x1876 tval:-s)]
        )
        (CompoundWord
          parts: [(Token id:Id.Lit_Chars col:9 length:8 span_id:171 line:...0x1876 tval:parse_at)]
        )
        (CompoundWord
          parts: [
            (Token
              id: Id.Lit_Chars
              col: 18
              length: 16
              span_id: 173
              line: ...0x1876
              tval: simple_word_eval
            )
          ]
        )
      ]
      redirects: []
      do_fork: T
    )
    (command.Mutation
      keyword: 
        (Token
          id: Id.KW_SetVar
          col: 0
          length: 6
          span_id: 176
          line: 
            (SourceLine
              line_num: 43
              content: "setvar CONFIG_HAVE_FOO = \"yes\"  # TODO: change to single quotes\n"
              src: ...0x1d89
            )
          tval: setvar
        )
      lhs: [
        (NameTok
          left: 
            (Token
              id: Id.Expr_Name
              col: 7
              length: 15
              span_id: 178
              line: ...0x180e
              tval: CONFIG_HAVE_FOO
            )
          var_name: CONFIG_HAVE_FOO
        )
      ]
      op: (Token id:Id.Arith_Equal col:23 length:1 span_id:180 line:...0x180e)
      rhs: 
        (DoubleQuoted
          left: (Token id:Id.Left_DoubleQuote col:25 length:1 span_id:182 line:...0x180e tval:"\"")
          parts: [(Token id:Id.Lit_Chars col:26 length:3 span_id:183 line:...0x180e tval:yes)]
          right: (Token id:Id.Right_DoubleQuote col:29 length:1 span_id:184 line:...0x180e tval:"\"")
        )
    )
    (command.Mutation
      keyword: 
        (Token
          id: Id.KW_SetVar
          col: 0
          length: 6
          span_id: 188
          line: 
            (SourceLine
              line_num: 44
              content: "setvar path = \"/etc/path with spaces\"\n"
              src: ...0x1d89
            )
          tval: setvar
        )
      lhs: [
        (NameTok
          left: (Token id:Id.Expr_Name col:7 length:4 span_id:190 line:...0x172a tval:path)
          var_name: path
        )
      ]
      op: (Token id:Id.Arith_Equal col:12 length:1 span_id:192 line:...0x172a)
      rhs: 
        (DoubleQuoted
          left: (Token id:Id.Left_DoubleQuote col:14 length:1 span_id:194 line:...0x172a tval:"\"")
          parts: [
            (Token
              id: Id.Lit_Chars
              col: 15
              length: 21
              span_id: 195
              line: ...0x172a
              tval: "/etc/path with spaces"
            )
          ]
          right: (Token id:Id.Right_DoubleQuote col:36 length:1 span_id:196 line:...0x172a tval:"\"")
        )
    )
    (command.Mutation
      keyword: 
        (Token
          id: Id.KW_SetVar
          col: 0
          length: 6
          span_id: 198
          line: (SourceLine line_num:45 content:"setvar flags = %()\n" src:...0x1d89)
          tval: setvar
        )
      lhs: [
        (NameTok
          left: (Token id:Id.Expr_Name col:7 length:5 span_id:200 line:...0x164e tval:flags)
          var_name: flags
        )
      ]
      op: (Token id:Id.Arith_Equal col:13 length:1 span_id:202 line:...0x164e)
      rhs: 
        (ShArrayLiteral
          left: (Token id:Id.Left_PercentParen col:15 length:2 span_id:204 line:...0x164e tval:"%(")
          words: []
          right: (Token id:Id.Right_ShArrayLiteral col:17 length:1 span_id:205 line:...0x164e)
        )
    )
    (command.If
      if_kw: 
        (Token
          id: Id.KW_If
          col: 0
          length: 2
          span_id: 208
          line: (SourceLine line_num:47 content:"if test -n $CONFIG_HAVE_FOO; then\n" src:...0x1d89)
          tval: if
        )
      arms: [
        (IfArm
          keyword: ...0x1576
          cond: 
            (condition.Shell
              commands: [
                (command.Sentence
                  child: 
                    (command.Simple
                      blame_tok: 
                        (Token
                          id: Id.Lit_Chars
                          col: 3
                          length: 4
                          span_id: 210
                          line: ...0x157a
                          tval: test
                        )
                      more_env: []
                      words: [
                        (CompoundWord parts:[...0x1566])
                        (CompoundWord
                          parts: [
                            (Token
                              id: Id.Lit_Chars
                              col: 8
                              length: 2
                              span_id: 212
                              line: ...0x157a
                              tval: -n
                            )
                          ]
                        )
                        (CompoundWord
                          parts: [
                            (NameTok
                              left: 
                                (Token
                                  id: Id.VSub_DollarName
                                  col: 11
                                  length: 16
                                  span_id: 214
                                  line: ...0x157a
                                  tval: "$CONFIG_HAVE_FOO"
                                )
                              var_name: CONFIG_HAVE_FOO
                            )
                          ]
                        )
                      ]
                      redirects: []
                      do_fork: T
                    )
                  terminator: (Token id:Id.Op_Semi col:27 length:1 span_id:215 line:...0x157a)
                )
              ]
            )
          then_kw: (Token id:Id.KW_Then col:29 length:4 span_id:217 line:...0x157a tval:then)
          action: [
            (command.Simple
              blame_tok: 
                (Token
                  id: Id.Lit_Chars
                  col: 2
                  length: 6
                  span_id: 220
                  line: 
                    (SourceLine
                      line_num: 48
                      content: "  append -- --foo=$path (flags)\n"
                      src: ...0x1d89
                    )
                  tval: append
                )
              more_env: []
              words: [
                (CompoundWord parts:[...0x1fa2])
                (CompoundWord
                  parts: [(Token id:Id.Lit_Chars col:9 length:2 span_id:222 line:...0x1faa tval:--)]
                )
                (CompoundWord
                  parts: [
                    (Token
                      id: Id.Lit_Chars
                      col: 12
                      length: 5
                      span_id: 224
                      line: ...0x1faa
                      tval: --foo
                    )
                    (Token
                      id: Id.Lit_Equals
                      col: 17
                      length: 1
                      span_id: 225
                      line: ...0x1faa
                      tval: "="
                    )
                    (NameTok
                      left: 
                        (Token
                          id: Id.VSub_DollarName
                          col: 18
                          length: 5
                          span_id: 226
                          line: ...0x1faa
                          tval: "$path"
                        )
                      var_name: path
                    )
                  ]
                )
              ]
              redirects: []
              typed_args: 
                (ArgList
                  left: (Token id:Id.Op_LParen col:24 length:1 span_id:228 line:...0x1faa)
                  pos_args: [
                    (expr.Var
                      left: 
                        (Token
                          id: Id.Expr_Name
                          col: 25
                          length: 5
                          span_id: 229
                          line: ...0x1faa
                          tval: flags
                        )
                      name: flags
                    )
                  ]
                  named_args: []
                  right: (Token id:Id.Op_RParen col:30 length:1 span_id:230 line:...0x1faa)
                )
              do_fork: T
            )
          ]
          spids: [208 217]
        )
      ]
      else_action: []
      fi_kw: 
        (Token
          id: Id.KW_Fi
          col: 0
          length: 2
          span_id: 232
          line: (SourceLine line_num:49 content:"fi\n" src:...0x1d89)
          tval: fi
        )
      redirects: []
    )
    (command.If
      if_kw: 
        (Token
          id: Id.KW_If
          col: 0
          length: 2
          span_id: 235
          line: (SourceLine line_num:51 content:"if test -n $CONFIG_HAVE_BAR; then\n" src:...0x1d89)
          tval: if
        )
      arms: [
        (IfArm
          keyword: ...0x1eb2
          cond: 
            (condition.Shell
              commands: [
                (command.Sentence
                  child: 
                    (command.Simple
                      blame_tok: 
                        (Token
                          id: Id.Lit_Chars
                          col: 3
                          length: 4
                          span_id: 237
                          line: ...0x1eb6
                          tval: test
                        )
                      more_env: []
                      words: [
                        (CompoundWord parts:[...0x1ea2])
                        (CompoundWord
                          parts: [
                            (Token
                              id: Id.Lit_Chars
                              col: 8
                              length: 2
                              span_id: 239
                              line: ...0x1eb6
                              tval: -n
                            )
                          ]
                        )
                        (CompoundWord
                          parts: [
                            (NameTok
                              left: 
                                (Token
                                  id: Id.VSub_DollarName
                                  col: 11
                                  length: 16
                                  span_id: 241
                                  line: ...0x1eb6
                                  tval: "$CONFIG_HAVE_BAR"
                                )
                              var_name: CONFIG_HAVE_BAR
                            )
                          ]
                        )
                      ]
                      redirects: []
                      do_fork: T
                    )
                  terminator: (Token id:Id.Op_Semi col:27 length:1 span_id:242 line:...0x1eb6)
                )
              ]
            )
          then_kw: (Token id:Id.KW_Then col:29 length:4 span_id:244 line:...0x1eb6 tval:then)
          action: [
            (command.Simple
              blame_tok: 
                (Token
                  id: Id.Lit_Chars
                  col: 2
                  length: 6
                  span_id: 247
                  line: (SourceLine line_num:52 content:"  append -- --bar (flags)\n" src:...0x1d89)
                  tval: append
                )
              more_env: []
              words: [
                (CompoundWord parts:[...0x1e32])
                (CompoundWord
                  parts: [(Token id:Id.Lit_Chars col:9 length:2 span_id:249 line:...0x1e3a tval:--)]
                )
                (CompoundWord
                  parts: [
                    (Token
                      id: Id.Lit_Chars
                      col: 12
                      length: 5
                      span_id: 251
                      line: ...0x1e3a
                      tval: --bar
                    )
                  ]
                )
              ]
              redirects: []
              typed_args: 
                (ArgList
                  left: (Token id:Id.Op_LParen col:18 length:1 span_id:253 line:...0x1e3a)
                  pos_args: [
                    (expr.Var
                      left: 
                        (Token
                          id: Id.Expr_Name
                          col: 19
                          length: 5
                          span_id: 254
                          line: ...0x1e3a
                          tval: flags
                        )
                      name: flags
                    )
                  ]
                  named_args: []
                  right: (Token id:Id.Op_RParen col:24 length:1 span_id:255 line:...0x1e3a)
                )
              do_fork: T
            )
          ]
          spids: [235 244]
        )
      ]
      else_action: []
      fi_kw: 
        (Token
          id: Id.KW_Fi
          col: 0
          length: 2
          span_id: 257
          line: (SourceLine line_num:53 content:"fi\n" src:...0x1d89)
          tval: fi
        )
      redirects: []
    )
    (command.Simple
      blame_tok: 
        (Token
          id: Id.Lit_Chars
          col: 0
          length: 4
          span_id: 260
          line: (SourceLine line_num:55 content:"argv @flags\n" src:...0x1d89)
          tval: argv
        )
      more_env: []
      words: [
        (CompoundWord parts:[...0x1d4a])
        (CompoundWord
          parts: [(Token id:Id.Lit_Splice col:5 length:6 span_id:262 line:...0x1d4e tval:"@flags")]
        )
      ]
      redirects: []
      do_fork: T
    )
  ]
)