ninja: no work to do.
---
skipping ysh/testdata/assign.osh
---
(command.CommandList
  children: [
    (command.ShFunction
      name_tok: 
        (Token
          id: Id.Lit_Chars
          length: 4
          col: 0
          line: 
            (SourceLine
              line_num: 19
              content: "argv() {\n"
              src: (source.MainFile path:ysh/testdata/sigil-pairs.sh)
            )
        )
      name: argv
      body: 
        (BraceGroup
          left: (Token id:Id.Lit_LBrace length:1 col:7 line:...0x12ba)
          children: [
            (command.Simple
              blame_tok: 
                (Token
                  id: Id.Lit_Chars
                  length: 6
                  col: 2
                  line: 
                    (SourceLine
                      line_num: 20
                      content: "  python -c 'import sys;print(sys.argv[1:])' @ARGV\n"
                      src: ...0x1ca1
                    )
                )
              more_env: []
              words: [
                (CompoundWord parts:[...0x1272])
                (CompoundWord
                  parts: [(Token id:Id.Lit_Chars length:2 col:9 line:...0x127a)]
                )
                (CompoundWord
                  parts: [
                    (SingleQuoted
                      left: (Token id:Id.Left_SingleQuote length:1 col:12 line:...0x127a)
                      sval: "import sys;print(sys.argv[1:])"
                      right: (Token id:Id.Right_SingleQuote length:1 col:43 line:...0x127a)
                    )
                  ]
                )
                (CompoundWord
                  parts: [(Token id:Id.Lit_Splice length:5 col:45 line:...0x127a)]
                )
              ]
              do_fork: T
            )
          ]
          right: 
            (Token
              id: Id.Lit_RBrace
              length: 1
              col: 0
              line: (SourceLine line_num:21 content:"}\n" src:...0x1ca1)
            )
        )
    )
    (command.ShFunction
      name_tok: 
        (Token
          id: Id.Lit_Chars
          length: 4
          col: 0
          line: (SourceLine line_num:23 content:"show() {\n" src:...0x1ca1)
        )
      name: show
      body: 
        (BraceGroup
          left: (Token id:Id.Lit_LBrace length:1 col:7 line:...0x11d6)
          children: [
            (command.Simple
              blame_tok: 
                (Token
                  id: Id.Lit_Chars
                  length: 4
                  col: 2
                  line: (SourceLine line_num:24 content:"  echo '====='\n" src:...0x1ca1)
                )
              more_env: []
              words: [
                (CompoundWord parts:[...0x1196])
                (CompoundWord
                  parts: [
                    (SingleQuoted
                      left: (Token id:Id.Left_SingleQuote length:1 col:7 line:...0x119e)
                      sval: "====="
                      right: (Token id:Id.Right_SingleQuote length:1 col:13 line:...0x119e)
                    )
                  ]
                )
              ]
              do_fork: T
            )
            (command.Simple
              blame_tok: 
                (Token
                  id: Id.Lit_Chars
                  length: 4
                  col: 2
                  line: (SourceLine line_num:25 content:"  argv @ARGV\n" src:...0x1ca1)
                )
              more_env: []
              words: [
                (CompoundWord parts:[...0x113a])
                (CompoundWord
                  parts: [(Token id:Id.Lit_Splice length:5 col:7 line:...0x1142)]
                )
              ]
              do_fork: T
            )
            (command.Simple
              blame_tok: 
                (Token
                  id: Id.Lit_Chars
                  length: 4
                  col: 2
                  line: (SourceLine line_num:26 content:"  echo\n" src:...0x1ca1)
                )
              more_env: []
              words: [(CompoundWord parts:[...0x10fa])]
              do_fork: T
            )
          ]
          right: 
            (Token
              id: Id.Lit_RBrace
              length: 1
              col: 0
              line: (SourceLine line_num:27 content:"}\n" src:...0x1ca1)
            )
        )
    )
    (command.VarDecl
      keyword: 
        (Token
          id: Id.KW_Var
          length: 3
          col: 0
          line: (SourceLine line_num:30 content:"var strarray = %(\n" src:...0x1ca1)
        )
      lhs: [(NameType left:(Token id:Id.Expr_Name length:8 col:4 line:...0x10a2) name:strarray)]
      rhs: 
        (ShArrayLiteral
          left: (Token id:Id.Left_PercentParen length:2 col:15 line:...0x10a2)
          words: [
            (CompoundWord
              parts: [
                (Token
                  id: Id.Lit_Chars
                  length: 4
                  col: 4
                  line: 
                    (SourceLine
                      line_num: 31
                      content: "    bare words *.sh {a,b}@example.com 'sq' \"dq ${x:-default}\"\n"
                      src: ...0x1ca1
                    )
                )
              ]
            )
            (CompoundWord parts:[(Token id:Id.Lit_Chars length:5 col:9 line:...0x1012)])
            (CompoundWord
              parts: [
                (Token id:Id.Lit_Star length:1 col:15 line:...0x1012)
                (Token id:Id.Lit_Chars length:3 col:16 line:...0x1012)
              ]
            )
            (word.BracedTree
              parts: [
                (word_part.BracedTuple
                  words: [
                    (CompoundWord
                      parts: [(Token id:Id.Lit_Chars length:1 col:21 line:...0x1012)]
                    )
                    (CompoundWord
                      parts: [(Token id:Id.Lit_Chars length:1 col:23 line:...0x1012)]
                    )
                  ]
                )
                (Token id:Id.Lit_Splice length:8 col:25 line:...0x1012)
                (Token id:Id.Lit_Chars length:4 col:33 line:...0x1012)
              ]
            )
            (CompoundWord
              parts: [
                (SingleQuoted
                  left: (Token id:Id.Left_SingleQuote length:1 col:38 line:...0x1012)
                  sval: sq
                  right: (Token id:Id.Right_SingleQuote length:1 col:41 line:...0x1012)
                )
              ]
            )
            (CompoundWord
              parts: [
                (DoubleQuoted
                  left: (Token id:Id.Left_DoubleQuote length:1 col:43 line:...0x1012)
                  parts: [
                    (Token id:Id.Lit_Chars length:3 col:44 line:...0x1012)
                    (BracedVarSub
                      left: (Token id:Id.Left_DollarBrace length:2 col:47 line:...0x1012)
                      token: (Token id:Id.VSub_Name length:1 col:49 line:...0x1012)
                      var_name: x
                      suffix_op: 
                        (suffix_op.Unary
                          op: (Token id:Id.VTest_ColonHyphen length:2 col:50 line:...0x1012)
                          arg_word: 
                            (CompoundWord
                              parts: [(Token id:Id.Lit_Chars length:7 col:52 line:...0x1012)]
                            )
                        )
                      right: (Token id:Id.Right_DollarBrace length:1 col:59 line:...0x1012)
                    )
                  ]
                  right: (Token id:Id.Right_DoubleQuote length:1 col:60 line:...0x1012)
                )
              ]
            )
          ]
          right: 
            (Token
              id: Id.Right_ShArrayLiteral
              length: 1
              col: 0
              line: (SourceLine line_num:32 content:")\n" src:...0x1ca1)
            )
        )
    )
    (command.Simple
      blame_tok: 
        (Token
          id: Id.Lit_Chars
          length: 4
          col: 0
          line: (SourceLine line_num:34 content:"show @strarray\n" src:...0x1ca1)
        )
      more_env: []
      words: [
        (CompoundWord parts:[...0x19ae])
        (CompoundWord parts:[(Token id:Id.Lit_Splice length:9 col:5 line:...0x19b2)])
      ]
      do_fork: T
    )
    (command.VarDecl
      keyword: 
        (Token
          id: Id.KW_Var
          length: 3
          col: 0
          line: (SourceLine line_num:36 content:"var cmd_sub = $(\n" src:...0x1ca1)
        )
      lhs: [(NameType left:(Token id:Id.Expr_Name length:7 col:4 line:...0x1966) name:cmd_sub)]
      rhs: 
        (CommandSub
          left_token: (Token id:Id.Left_DollarParen length:2 col:14 line:...0x1966)
          child: 
            (command.Simple
              blame_tok: 
                (Token
                  id: Id.Lit_Chars
                  length: 4
                  col: 4
                  line: 
                    (SourceLine
                      line_num: 37
                      content: 
"    echo bare words *.sh {a,b}@example.com 'sq' \"dq ${x:-default}\"\n"
                      src: ...0x1ca1
                    )
                )
              more_env: []
              words: [
                (CompoundWord parts:[...0x18ce])
                (CompoundWord
                  parts: [(Token id:Id.Lit_Chars length:4 col:9 line:...0x18d6)]
                )
                (CompoundWord
                  parts: [(Token id:Id.Lit_Chars length:5 col:14 line:...0x18d6)]
                )
                (CompoundWord
                  parts: [
                    (Token id:Id.Lit_Star length:1 col:20 line:...0x18d6)
                    (Token id:Id.Lit_Chars length:3 col:21 line:...0x18d6)
                  ]
                )
                (word.BracedTree
                  parts: [
                    (word_part.BracedTuple
                      words: [
                        (CompoundWord
                          parts: [(Token id:Id.Lit_Chars length:1 col:26 line:...0x18d6)]
                        )
                        (CompoundWord
                          parts: [(Token id:Id.Lit_Chars length:1 col:28 line:...0x18d6)]
                        )
                      ]
                    )
                    (Token id:Id.Lit_Splice length:8 col:30 line:...0x18d6)
                    (Token id:Id.Lit_Chars length:4 col:38 line:...0x18d6)
                  ]
                )
                (CompoundWord
                  parts: [
                    (SingleQuoted
                      left: (Token id:Id.Left_SingleQuote length:1 col:43 line:...0x18d6)
                      sval: sq
                      right: (Token id:Id.Right_SingleQuote length:1 col:46 line:...0x18d6)
                    )
                  ]
                )
                (CompoundWord
                  parts: [
                    (DoubleQuoted
                      left: (Token id:Id.Left_DoubleQuote length:1 col:48 line:...0x18d6)
                      parts: [
                        (Token
                          id: Id.Lit_Chars
                          length: 3
                          col: 49
                          line: ...0x18d6
                        )
                        (BracedVarSub
                          left: (Token id:Id.Left_DollarBrace length:2 col:52 line:...0x18d6)
                          token: (Token id:Id.VSub_Name length:1 col:54 line:...0x18d6)
                          var_name: x
                          suffix_op: 
                            (suffix_op.Unary
                              op: (Token id:Id.VTest_ColonHyphen length:2 col:55 line:...0x18d6)
                              arg_word: 
                                (CompoundWord
                                  parts: [(Token id:Id.Lit_Chars length:7 col:57 line:...0x18d6)]
                                )
                            )
                          right: (Token id:Id.Right_DollarBrace length:1 col:64 line:...0x18d6)
                        )
                      ]
                      right: (Token id:Id.Right_DoubleQuote length:1 col:65 line:...0x18d6)
                    )
                  ]
                )
              ]
              do_fork: T
            )
          right: 
            (Token
              id: Id.Eof_RParen
              length: 1
              col: 0
              line: (SourceLine line_num:38 content:")\n" src:...0x1ca1)
            )
        )
    )
    (command.Simple
      blame_tok: 
        (Token
          id: Id.Lit_Chars
          length: 4
          col: 0
          line: (SourceLine line_num:40 content:"show $cmd_sub\n" src:...0x1ca1)
        )
      more_env: []
      words: [
        (CompoundWord parts:[...0x17aa])
        (CompoundWord
          parts: [(SimpleVarSub tok:(Token id:Id.VSub_DollarName length:8 col:5 line:...0x17ae))]
        )
      ]
      do_fork: T
    )
    (command.Simple
      blame_tok: 
        (Token
          id: Id.Lit_Chars
          length: 4
          col: 0
          line: 
            (SourceLine
              line_num: 42
              content: "show $['quoted ' ++ 'words ' ++ \"dq ${x:-default}\"]\n"
              src: ...0x1ca1
            )
        )
      more_env: []
      words: [
        (CompoundWord parts:[...0x1762])
        (CompoundWord
          parts: [
            (word_part.ExprSub
              left: (Token id:Id.Left_DollarBracket length:2 col:5 line:...0x1766)
              child: 
                (expr.Binary
                  op: (Token id:Id.Arith_DPlus length:2 col:29 line:...0x1766)
                  left: 
                    (expr.Binary
                      op: (Token id:Id.Arith_DPlus length:2 col:17 line:...0x1766)
                      left: 
                        (SingleQuoted
                          left: (Token id:Id.Left_SingleQuote length:1 col:7 line:...0x1766)
                          sval: "quoted "
                          right: (Token id:Id.Right_SingleQuote length:1 col:15 line:...0x1766)
                        )
                      right: 
                        (SingleQuoted
                          left: (Token id:Id.Left_SingleQuote length:1 col:20 line:...0x1766)
                          sval: "words "
                          right: (Token id:Id.Right_SingleQuote length:1 col:27 line:...0x1766)
                        )
                    )
                  right: 
                    (DoubleQuoted
                      left: (Token id:Id.Left_DoubleQuote length:1 col:32 line:...0x1766)
                      parts: [
                        (Token
                          id: Id.Lit_Chars
                          length: 3
                          col: 33
                          line: ...0x1766
                        )
                        (BracedVarSub
                          left: (Token id:Id.Left_DollarBrace length:2 col:36 line:...0x1766)
                          token: (Token id:Id.VSub_Name length:1 col:38 line:...0x1766)
                          var_name: x
                          suffix_op: 
                            (suffix_op.Unary
                              op: (Token id:Id.VTest_ColonHyphen length:2 col:39 line:...0x1766)
                              arg_word: 
                                (CompoundWord
                                  parts: [(Token id:Id.Lit_Chars length:7 col:41 line:...0x1766)]
                                )
                            )
                          right: (Token id:Id.Right_DollarBrace length:1 col:48 line:...0x1766)
                        )
                      ]
                      right: (Token id:Id.Right_DoubleQuote length:1 col:49 line:...0x1766)
                    )
                )
              right: (Token id:Id.Op_RBracket length:1 col:50 line:...0x1766)
            )
          ]
        )
      ]
      do_fork: T
    )
  ]
)
---
(command.CommandList
  children: [
    (command.ShFunction
      name_tok: 
        (Token
          id: Id.Lit_Chars
          length: 4
          col: 0
          line: 
            (SourceLine
              line_num: 8
              content: "argv() { spec/bin/argv.py \"$@\"; }\n"
              src: (source.MainFile path:ysh/testdata/array-rewrite-1.sh)
            )
        )
      name: argv
      body: 
        (BraceGroup
          left: (Token id:Id.Lit_LBrace length:1 col:7 line:...0x1382)
          children: [
            (command.Sentence
              child: 
                (command.Simple
                  blame_tok: (Token id:Id.Lit_Chars length:4 col:9 line:...0x1382)
                  more_env: []
                  words: [
                    (CompoundWord
                      parts: [
                        ...0x1342
                        (Token
                          id: Id.Lit_Slash
                          length: 1
                          col: 13
                          line: ...0x1382
                        )
                        (Token
                          id: Id.Lit_Chars
                          length: 3
                          col: 14
                          line: ...0x1382
                        )
                        (Token
                          id: Id.Lit_Slash
                          length: 1
                          col: 17
                          line: ...0x1382
                        )
                        (Token
                          id: Id.Lit_Chars
                          length: 7
                          col: 18
                          line: ...0x1382
                        )
                      ]
                    )
                    (CompoundWord
                      parts: [
                        (DoubleQuoted
                          left: (Token id:Id.Left_DoubleQuote length:1 col:26 line:...0x1382)
                          parts: [
                            (SimpleVarSub
                              tok: (Token id:Id.VSub_At length:2 col:27 line:...0x1382)
                            )
                          ]
                          right: (Token id:Id.Right_DoubleQuote length:1 col:29 line:...0x1382)
                        )
                      ]
                    )
                  ]
                  do_fork: T
                )
              terminator: (Token id:Id.Op_Semi length:1 col:30 line:...0x1382)
            )
          ]
          right: (Token id:Id.Lit_RBrace length:1 col:32 line:...0x1382)
        )
    )
    (command.ShAssignment
      left: 
        (Token
          id: Id.Lit_VarLike
          length: 6
          col: 0
          line: (SourceLine line_num:14 content:"regex=(old1 old2)\n" src:...0x1ca1)
        )
      pairs: [
        (AssignPair
          left: ...0x126e
          lhs: (sh_lhs.Name left:...0x126e name:regex)
          op: assign_op.Equal
          rhs: 
            (CompoundWord
              parts: [
                (ShArrayLiteral
                  left: (Token id:Id.Op_LParen length:1 col:6 line:...0x1272)
                  words: [
                    (CompoundWord
                      parts: [(Token id:Id.Lit_Chars length:4 col:7 line:...0x1272)]
                    )
                    (CompoundWord
                      parts: [(Token id:Id.Lit_Chars length:4 col:12 line:...0x1272)]
                    )
                  ]
                  right: (Token id:Id.Right_ShArrayLiteral length:1 col:16 line:...0x1272)
                )
              ]
            )
        )
      ]
    )
    (command.ShAssignment
      left: 
        (Token
          id: Id.Lit_VarLike
          length: 6
          col: 0
          line: (SourceLine line_num:15 content:"flags=()\n" src:...0x1ca1)
        )
      pairs: [
        (AssignPair
          left: ...0x1202
          lhs: (sh_lhs.Name left:...0x1202 name:flags)
          op: assign_op.Equal
          rhs: 
            (CompoundWord
              parts: [
                (ShArrayLiteral
                  left: (Token id:Id.Op_LParen length:1 col:6 line:...0x1206)
                  words: []
                  right: (Token id:Id.Right_ShArrayLiteral length:1 col:7 line:...0x1206)
                )
              ]
            )
        )
      ]
    )
    (command.ForEach
      keyword: 
        (Token
          id: Id.KW_For
          length: 3
          col: 0
          line: (SourceLine line_num:17 content:"for r in \"${regex[@]}\"; do\n" src:...0x1ca1)
        )
      iter_names: [r]
      iterable: 
        (for_iter.Words
          words: [
            (CompoundWord
              parts: [
                (DoubleQuoted
                  left: (Token id:Id.Left_DoubleQuote length:1 col:9 line:...0x11b2)
                  parts: [
                    (BracedVarSub
                      left: (Token id:Id.Left_DollarBrace length:2 col:10 line:...0x11b2)
                      token: (Token id:Id.VSub_Name length:5 col:12 line:...0x11b2)
                      var_name: regex
                      bracket_op: (bracket_op.WholeArray op_id:Id.Lit_At)
                      right: (Token id:Id.Right_DollarBrace length:1 col:20 line:...0x11b2)
                    )
                  ]
                  right: (Token id:Id.Right_DoubleQuote length:1 col:21 line:...0x11b2)
                )
              ]
            )
          ]
        )
      semi_tok: (Token id:Id.Op_Semi length:1 col:22 line:...0x11b2)
      body: 
        (command.DoGroup
          left: (Token id:Id.KW_Do length:2 col:24 line:...0x11b2)
          children: [
            (command.ShAssignment
              left: 
                (Token
                  id: Id.Lit_ArrayLhsOpen
                  length: 6
                  col: 2
                  line: 
                    (SourceLine
                      line_num: 18
                      content: "  flags[${#flags[@]}]=\"--regex=$r\"\n"
                      src: ...0x1ca1
                    )
                )
              pairs: [
                (AssignPair
                  left: ...0x1122
                  lhs: 
                    (sh_lhs.IndexedName
                      left: ...0x1122
                      name: flags
                      index: 
                        (CompoundWord
                          parts: [
                            (BracedVarSub
                              left: 
                                (Token
                                  id: Id.Left_DollarBrace
                                  length: 2
                                  col: 0
                                  line: 
                                    (SourceLine
                                      line_num: 1
                                      content: "${#flags[@]}"
                                      src: 
                                        (source.Reparsed
                                          what: "array LHS"
                                          left_token: ...0x1122
                                          right_token: 
                                            (Token
                                              id: Id.Lit_ArrayLhsClose
                                              length: 2
                                              col: 20
                                              line: ...0x112a
                                            )
                                        )
                                    )
                                )
                              token: (Token id:Id.VSub_Name length:5 col:3 line:...0x10aa)
                              var_name: flags
                              prefix_op: (Token id:Id.VSub_Pound length:1 col:2 line:...0x10aa)
                              bracket_op: (bracket_op.WholeArray op_id:Id.Lit_At)
                              right: (Token id:Id.Right_DollarBrace length:1 col:11 line:...0x10aa)
                            )
                          ]
                        )
                    )
                  op: assign_op.Equal
                  rhs: 
                    (CompoundWord
                      parts: [
                        (DoubleQuoted
                          left: (Token id:Id.Left_DoubleQuote length:1 col:22 line:...0x112a)
                          parts: [
                            (Token
                              id: Id.Lit_Chars
                              length: 8
                              col: 23
                              line: ...0x112a
                            )
                            (SimpleVarSub
                              tok: (Token id:Id.VSub_DollarName length:2 col:31 line:...0x112a)
                            )
                          ]
                          right: (Token id:Id.Right_DoubleQuote length:1 col:33 line:...0x112a)
                        )
                      ]
                    )
                )
              ]
            )
          ]
          right: 
            (Token
              id: Id.KW_Done
              length: 4
              col: 0
              line: (SourceLine line_num:19 content:"done\n" src:...0x1ca1)
            )
        )
    )
    (command.Simple
      blame_tok: 
        (Token
          id: Id.Lit_Chars
          length: 4
          col: 0
          line: (SourceLine line_num:21 content:"argv \"${flags[@]}\"\n" src:...0x1ca1)
        )
      more_env: []
      words: [
        (CompoundWord parts:[...0x103e])
        (CompoundWord
          parts: [
            (DoubleQuoted
              left: (Token id:Id.Left_DoubleQuote length:1 col:5 line:...0x1042)
              parts: [
                (BracedVarSub
                  left: (Token id:Id.Left_DollarBrace length:2 col:6 line:...0x1042)
                  token: (Token id:Id.VSub_Name length:5 col:8 line:...0x1042)
                  var_name: flags
                  bracket_op: (bracket_op.WholeArray op_id:Id.Lit_At)
                  right: (Token id:Id.Right_DollarBrace length:1 col:16 line:...0x1042)
                )
              ]
              right: (Token id:Id.Right_DoubleQuote length:1 col:17 line:...0x1042)
            )
          ]
        )
      ]
      do_fork: T
    )
    (command.Simple
      blame_tok: 
        (Token
          id: Id.Lit_Chars
          length: 5
          col: 0
          line: (SourceLine line_num:34 content:"shopt -s simple_word_eval parse_at\n" src:...0x1ca1)
        )
      more_env: []
      words: [
        (CompoundWord parts:[...0x19ce])
        (CompoundWord parts:[(Token id:Id.Lit_Chars length:2 col:6 line:...0x19d2)])
        (CompoundWord parts:[(Token id:Id.Lit_Chars length:16 col:9 line:...0x19d2)])
        (CompoundWord parts:[(Token id:Id.Lit_Chars length:8 col:26 line:...0x19d2)])
      ]
      do_fork: T
    )
    (command.VarDecl
      keyword: 
        (Token
          id: Id.KW_Var
          length: 3
          col: 0
          line: (SourceLine line_num:36 content:"var regex2 = %(new1 new2)\n" src:...0x1ca1)
        )
      lhs: [(NameType left:(Token id:Id.Expr_Name length:6 col:4 line:...0x196e) name:regex2)]
      rhs: 
        (ShArrayLiteral
          left: (Token id:Id.Left_PercentParen length:2 col:13 line:...0x196e)
          words: [
            (CompoundWord parts:[(Token id:Id.Lit_Chars length:4 col:15 line:...0x196e)])
            (CompoundWord parts:[(Token id:Id.Lit_Chars length:4 col:20 line:...0x196e)])
          ]
          right: (Token id:Id.Right_ShArrayLiteral length:1 col:24 line:...0x196e)
        )
    )
    (command.VarDecl
      keyword: 
        (Token
          id: Id.KW_Var
          length: 3
          col: 0
          line: (SourceLine line_num:37 content:"var flags2 = %()\n" src:...0x1ca1)
        )
      lhs: [(NameType left:(Token id:Id.Expr_Name length:6 col:4 line:...0x189a) name:flags2)]
      rhs: 
        (ShArrayLiteral
          left: (Token id:Id.Left_PercentParen length:2 col:13 line:...0x189a)
          words: []
          right: (Token id:Id.Right_ShArrayLiteral length:1 col:15 line:...0x189a)
        )
    )
    (command.ForEach
      keyword: 
        (Token
          id: Id.KW_For
          length: 3
          col: 0
          line: (SourceLine line_num:39 content:"for r in @regex2; do\n" src:...0x1ca1)
        )
      iter_names: [r]
      iterable: 
        (for_iter.Words
          words: [(CompoundWord parts:[(Token id:Id.Lit_Splice length:7 col:9 line:...0x17de)])]
        )
      semi_tok: (Token id:Id.Op_Semi length:1 col:16 line:...0x17de)
      body: 
        (command.DoGroup
          left: (Token id:Id.KW_Do length:2 col:18 line:...0x17de)
          children: [
            (command.Simple
              blame_tok: 
                (Token
                  id: Id.Lit_Chars
                  length: 6
                  col: 2
                  line: 
                    (SourceLine
                      line_num: 40
                      content: "  append \"--regex=$r\" (flags2)\n"
                      src: ...0x1ca1
                    )
                )
              more_env: []
              words: [
                (CompoundWord parts:[...0x176e])
                (CompoundWord
                  parts: [
                    (DoubleQuoted
                      left: (Token id:Id.Left_DoubleQuote length:1 col:9 line:...0x1776)
                      parts: [
                        (Token
                          id: Id.Lit_Chars
                          length: 8
                          col: 10
                          line: ...0x1776
                        )
                        (SimpleVarSub
                          tok: (Token id:Id.VSub_DollarName length:2 col:18 line:...0x1776)
                        )
                      ]
                      right: (Token id:Id.Right_DoubleQuote length:1 col:20 line:...0x1776)
                    )
                  ]
                )
              ]
              typed_args: 
                (ArgList
                  left: (Token id:Id.Op_LParen length:1 col:22 line:...0x1776)
                  pos_args: [
                    (expr.Var
                      left: (Token id:Id.Expr_Name length:6 col:23 line:...0x1776)
                      name: flags2
                    )
                  ]
                  named_args: []
                  right: (Token id:Id.Op_RParen length:1 col:29 line:...0x1776)
                )
              do_fork: T
            )
          ]
          right: 
            (Token
              id: Id.KW_Done
              length: 4
              col: 0
              line: (SourceLine line_num:41 content:"done\n" src:...0x1ca1)
            )
        )
    )
    (command.Simple
      blame_tok: 
        (Token
          id: Id.Lit_Chars
          length: 4
          col: 0
          line: (SourceLine line_num:43 content:"argv @flags2\n" src:...0x1ca1)
        )
      more_env: []
      words: [
        (CompoundWord parts:[...0x168a])
        (CompoundWord parts:[(Token id:Id.Lit_Splice length:7 col:5 line:...0x168e)])
      ]
      do_fork: T
    )
  ]
)
---
(command.CommandList
  children: [
    (command.ShFunction
      name_tok: 
        (Token
          id: Id.Lit_Chars
          length: 4
          col: 0
          line: 
            (SourceLine
              line_num: 8
              content: "argv() { spec/bin/argv.py \"$@\"; }\n"
              src: (source.MainFile path:ysh/testdata/array-rewrite-2.sh)
            )
        )
      name: argv
      body: 
        (BraceGroup
          left: (Token id:Id.Lit_LBrace length:1 col:7 line:...0x1386)
          children: [
            (command.Sentence
              child: 
                (command.Simple
                  blame_tok: (Token id:Id.Lit_Chars length:4 col:9 line:...0x1386)
                  more_env: []
                  words: [
                    (CompoundWord
                      parts: [
                        ...0x1346
                        (Token
                          id: Id.Lit_Slash
                          length: 1
                          col: 13
                          line: ...0x1386
                        )
                        (Token
                          id: Id.Lit_Chars
                          length: 3
                          col: 14
                          line: ...0x1386
                        )
                        (Token
                          id: Id.Lit_Slash
                          length: 1
                          col: 17
                          line: ...0x1386
                        )
                        (Token
                          id: Id.Lit_Chars
                          length: 7
                          col: 18
                          line: ...0x1386
                        )
                      ]
                    )
                    (CompoundWord
                      parts: [
                        (DoubleQuoted
                          left: (Token id:Id.Left_DoubleQuote length:1 col:26 line:...0x1386)
                          parts: [
                            (SimpleVarSub
                              tok: (Token id:Id.VSub_At length:2 col:27 line:...0x1386)
                            )
                          ]
                          right: (Token id:Id.Right_DoubleQuote length:1 col:29 line:...0x1386)
                        )
                      ]
                    )
                  ]
                  do_fork: T
                )
              terminator: (Token id:Id.Op_Semi length:1 col:30 line:...0x1386)
            )
          ]
          right: (Token id:Id.Lit_RBrace length:1 col:32 line:...0x1386)
        )
    )
    (command.ShAssignment
      left: 
        (Token
          id: Id.Lit_VarLike
          length: 16
          col: 0
          line: (SourceLine line_num:15 content:"CONFIG_HAVE_FOO=yes\n" src:...0x1ca1)
        )
      pairs: [
        (AssignPair
          left: ...0x1262
          lhs: (sh_lhs.Name left:...0x1262 name:CONFIG_HAVE_FOO)
          op: assign_op.Equal
          rhs: (CompoundWord parts:[(Token id:Id.Lit_Chars length:3 col:16 line:...0x1266)])
        )
      ]
    )
    (command.ShAssignment
      left: 
        (Token
          id: Id.Lit_VarLike
          length: 5
          col: 0
          line: (SourceLine line_num:16 content:"path='/etc/path with spaces'\n" src:...0x1ca1)
        )
      pairs: [
        (AssignPair
          left: ...0x1216
          lhs: (sh_lhs.Name left:...0x1216 name:path)
          op: assign_op.Equal
          rhs: 
            (CompoundWord
              parts: [
                (SingleQuoted
                  left: (Token id:Id.Left_SingleQuote length:1 col:5 line:...0x121a)
                  sval: "/etc/path with spaces"
                  right: (Token id:Id.Right_SingleQuote length:1 col:27 line:...0x121a)
                )
              ]
            )
        )
      ]
    )
    (command.ShAssignment
      left: 
        (Token
          id: Id.Lit_VarLike
          length: 6
          col: 0
          line: (SourceLine line_num:17 content:"flags=''\n" src:...0x1ca1)
        )
      pairs: [
        (AssignPair
          left: ...0x11b6
          lhs: (sh_lhs.Name left:...0x11b6 name:flags)
          op: assign_op.Equal
          rhs: 
            (CompoundWord
              parts: [
                (SingleQuoted
                  left: (Token id:Id.Left_SingleQuote length:1 col:6 line:...0x11ba)
                  sval: ""
                  right: (Token id:Id.Right_SingleQuote length:1 col:7 line:...0x11ba)
                )
              ]
            )
        )
      ]
    )
    (command.If
      if_kw: 
        (Token
          id: Id.KW_If
          length: 2
          col: 0
          line: 
            (SourceLine
              line_num: 20
              content: "if [ -n \"${CONFIG_HAVE_FOO}\" ]; then\n"
              src: ...0x1ca1
            )
        )
      arms: [
        (IfArm
          keyword: ...0x115e
          cond: 
            (condition.Shell
              commands: [
                (command.Sentence
                  child: 
                    (command.Simple
                      blame_tok: (Token id:Id.Lit_LBracket length:1 col:3 line:...0x1162)
                      more_env: []
                      words: [
                        (CompoundWord parts:[...0x114a])
                        (CompoundWord
                          parts: [(Token id:Id.Lit_Chars length:2 col:5 line:...0x1162)]
                        )
                        (CompoundWord
                          parts: [
                            (DoubleQuoted
                              left: (Token id:Id.Left_DoubleQuote length:1 col:8 line:...0x1162)
                              parts: [
                                (BracedVarSub
                                  left: (Token id:Id.Left_DollarBrace length:2 col:9 line:...0x1162)
                                  token: (Token id:Id.VSub_Name length:15 col:11 line:...0x1162)
                                  var_name: CONFIG_HAVE_FOO
                                  right: 
                                    (Token
                                      id: Id.Right_DollarBrace
                                      length: 1
                                      col: 26
                                      line: ...0x1162
                                    )
                                )
                              ]
                              right: (Token id:Id.Right_DoubleQuote length:1 col:27 line:...0x1162)
                            )
                          ]
                        )
                        (CompoundWord
                          parts: [(Token id:Id.Lit_RBracket length:1 col:29 line:...0x1162)]
                        )
                      ]
                      do_fork: T
                    )
                  terminator: (Token id:Id.Op_Semi length:1 col:30 line:...0x1162)
                )
              ]
            )
          then_kw: (Token id:Id.KW_Then length:4 col:32 line:...0x1162)
          action: [
            (command.ShAssignment
              left: 
                (Token
                  id: Id.Lit_VarLike
                  length: 6
                  col: 2
                  line: 
                    (SourceLine
                      line_num: 21
                      content: "  flags=\"${flags} --foo=$path\"\n"
                      src: ...0x1ca1
                    )
                )
              pairs: [
                (AssignPair
                  left: ...0x10ba
                  lhs: (sh_lhs.Name left:...0x10ba name:flags)
                  op: assign_op.Equal
                  rhs: 
                    (CompoundWord
                      parts: [
                        (DoubleQuoted
                          left: (Token id:Id.Left_DoubleQuote length:1 col:8 line:...0x10c2)
                          parts: [
                            (BracedVarSub
                              left: (Token id:Id.Left_DollarBrace length:2 col:9 line:...0x10c2)
                              token: (Token id:Id.VSub_Name length:5 col:11 line:...0x10c2)
                              var_name: flags
                              right: (Token id:Id.Right_DollarBrace length:1 col:16 line:...0x10c2)
                            )
                            (Token
                              id: Id.Lit_Chars
                              length: 7
                              col: 17
                              line: ...0x10c2
                            )
                            (SimpleVarSub
                              tok: (Token id:Id.VSub_DollarName length:5 col:24 line:...0x10c2)
                            )
                          ]
                          right: (Token id:Id.Right_DoubleQuote length:1 col:29 line:...0x10c2)
                        )
                      ]
                    )
                )
              ]
            )
          ]
          then_tok: ...0x10da
        )
      ]
      else_action: []
      fi_kw: 
        (Token
          id: Id.KW_Fi
          length: 2
          col: 0
          line: (SourceLine line_num:22 content:"fi\n" src:...0x1ca1)
        )
    )
    (command.If
      if_kw: 
        (Token
          id: Id.KW_If
          length: 2
          col: 0
          line: 
            (SourceLine
              line_num: 24
              content: "if [ -n \"${CONFIG_HAVE_BAR}\" ]; then\n"
              src: ...0x1ca1
            )
        )
      arms: [
        (IfArm
          keyword: ...0x103a
          cond: 
            (condition.Shell
              commands: [
                (command.Sentence
                  child: 
                    (command.Simple
                      blame_tok: (Token id:Id.Lit_LBracket length:1 col:3 line:...0x103e)
                      more_env: []
                      words: [
                        (CompoundWord parts:[...0x1026])
                        (CompoundWord
                          parts: [(Token id:Id.Lit_Chars length:2 col:5 line:...0x103e)]
                        )
                        (CompoundWord
                          parts: [
                            (DoubleQuoted
                              left: (Token id:Id.Left_DoubleQuote length:1 col:8 line:...0x103e)
                              parts: [
                                (BracedVarSub
                                  left: (Token id:Id.Left_DollarBrace length:2 col:9 line:...0x103e)
                                  token: (Token id:Id.VSub_Name length:15 col:11 line:...0x103e)
                                  var_name: CONFIG_HAVE_BAR
                                  right: 
                                    (Token
                                      id: Id.Right_DollarBrace
                                      length: 1
                                      col: 26
                                      line: ...0x103e
                                    )
                                )
                              ]
                              right: (Token id:Id.Right_DoubleQuote length:1 col:27 line:...0x103e)
                            )
                          ]
                        )
                        (CompoundWord
                          parts: [(Token id:Id.Lit_RBracket length:1 col:29 line:...0x103e)]
                        )
                      ]
                      do_fork: T
                    )
                  terminator: (Token id:Id.Op_Semi length:1 col:30 line:...0x103e)
                )
              ]
            )
          then_kw: (Token id:Id.KW_Then length:4 col:32 line:...0x103e)
          action: [
            (command.ShAssignment
              left: 
                (Token
                  id: Id.Lit_VarLike
                  length: 6
                  col: 2
                  line: (SourceLine line_num:25 content:"  flags=\"${flags} --bar\"\n" src:...0x1ca1)
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              pairs: [
                (AssignPair
                  left: ...0x1a3e
                  lhs: (sh_lhs.Name left:...0x1a3e name:flags)
                  op: assign_op.Equal
                  rhs: 
                    (CompoundWord
                      parts: [
                        (DoubleQuoted
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                          parts: [
                            (BracedVarSub
                              left: (Token id:Id.Left_DollarBrace length:2 col:9 line:...0x1a46)
                              token: (Token id:Id.VSub_Name length:5 col:11 line:...0x1a46)
                              var_name: flags
                              right: (Token id:Id.Right_DollarBrace length:1 col:16 line:...0x1a46)
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                            (Token
                              id: Id.Lit_Chars
                              length: 6
                              col: 17
                              line: ...0x1a46
                            )
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                          right: (Token id:Id.Right_DoubleQuote length:1 col:23 line:...0x1a46)
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                      ]
                    )
                )
              ]
            )
          ]
          then_tok: ...0x1a5e
        )
      ]
      else_action: []
      fi_kw: 
        (Token
          id: Id.KW_Fi
          length: 2
          col: 0
          line: (SourceLine line_num:26 content:"fi\n" src:...0x1ca1)
        )
    )
    (command.Simple
      blame_tok: 
        (Token
          id: Id.Lit_Chars
          length: 4
          col: 0
          line: 
            (SourceLine
              line_num: 28
              content: "argv ${flags}  # unquoted splitting\n"
              src: ...0x1ca1
            )
        )
      more_env: []
      words: [
        (CompoundWord parts:[...0x19c2])
        (CompoundWord
          parts: [
            (BracedVarSub
              left: (Token id:Id.Left_DollarBrace length:2 col:5 line:...0x19c6)
              token: (Token id:Id.VSub_Name length:5 col:7 line:...0x19c6)
              var_name: flags
              right: (Token id:Id.Right_DollarBrace length:1 col:12 line:...0x19c6)
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          ]
        )
      ]
      do_fork: T
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    (command.Simple
      blame_tok: 
        (Token
          id: Id.Lit_Chars
          length: 3
          col: 0
          line: (SourceLine line_num:40 content:"set -o errexit\n" src:...0x1ca1)
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      more_env: []
      words: [
        (CompoundWord parts:[...0x18ca])
        (CompoundWord parts:[(Token id:Id.Lit_Chars length:2 col:4 line:...0x18ce)])
        (CompoundWord parts:[(Token id:Id.Lit_Chars length:7 col:7 line:...0x18ce)])
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      do_fork: T
    )
    (command.Simple
      blame_tok: 
        (Token
          id: Id.Lit_Chars
          length: 5
          col: 0
          line: (SourceLine line_num:41 content:"shopt -s parse_at simple_word_eval\n" src:...0x1ca1)
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      more_env: []
      words: [
        (CompoundWord parts:[...0x187e])
        (CompoundWord parts:[(Token id:Id.Lit_Chars length:2 col:6 line:...0x1882)])
        (CompoundWord parts:[(Token id:Id.Lit_Chars length:8 col:9 line:...0x1882)])
        (CompoundWord parts:[(Token id:Id.Lit_Chars length:16 col:18 line:...0x1882)])
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      do_fork: T
    )
    (command.Mutation
      keyword: 
        (Token
          id: Id.KW_SetVar
          length: 6
          col: 0
          line: 
            (SourceLine
              line_num: 43
              content: "setvar CONFIG_HAVE_FOO = \"yes\"  # TODO: change to single quotes\n"
              src: ...0x1ca1
            )
        )
      lhs: [(Token id:Id.Expr_Name length:15 col:7 line:...0x1822 tval:CONFIG_HAVE_FOO)]
      op: (Token id:Id.Arith_Equal length:1 col:23 line:...0x1822)
      rhs: 
        (DoubleQuoted
          left: (Token id:Id.Left_DoubleQuote length:1 col:25 line:...0x1822)
          parts: [(Token id:Id.Lit_Chars length:3 col:26 line:...0x1822)]
          right: (Token id:Id.Right_DoubleQuote length:1 col:29 line:...0x1822)
        )
    )
    (command.Mutation
      keyword: 
        (Token
          id: Id.KW_SetVar
          length: 6
          col: 0
          line: 
            (SourceLine
              line_num: 44
              content: "setvar path = \"/etc/path with spaces\"\n"
              src: ...0x1ca1
            )
        )
      lhs: [(Token id:Id.Expr_Name length:4 col:7 line:...0x173e tval:path)]
      op: (Token id:Id.Arith_Equal length:1 col:12 line:...0x173e)
      rhs: 
        (DoubleQuoted
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          parts: [(Token id:Id.Lit_Chars length:21 col:15 line:...0x173e)]
          right: (Token id:Id.Right_DoubleQuote length:1 col:36 line:...0x173e)
        )
    )
    (command.Mutation
      keyword: 
        (Token
          id: Id.KW_SetVar
          length: 6
          col: 0
          line: (SourceLine line_num:45 content:"setvar flags = %()\n" src:...0x1ca1)
        )
      lhs: [(Token id:Id.Expr_Name length:5 col:7 line:...0x1666 tval:flags)]
      op: (Token id:Id.Arith_Equal length:1 col:13 line:...0x1666)
      rhs: 
        (ShArrayLiteral
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          words: []
          right: (Token id:Id.Right_ShArrayLiteral length:1 col:17 line:...0x1666)
        )
    )
    (command.If
      if_kw: 
        (Token
          id: Id.KW_If
          length: 2
          col: 0
          line: (SourceLine line_num:47 content:"if test -n $CONFIG_HAVE_FOO; then\n" src:...0x1ca1)
        )
      arms: [
        (IfArm
          keyword: ...0x158e
          cond: 
            (condition.Shell
              commands: [
                (command.Sentence
                  child: 
                    (command.Simple
                      blame_tok: (Token id:Id.Lit_Chars length:4 col:3 line:...0x1592)
                      more_env: []
                      words: [
                        (CompoundWord parts:[...0x157a])
                        (CompoundWord
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                        (CompoundWord
                          parts: [
                            (SimpleVarSub
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                      ]
                      do_fork: T
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                  terminator: (Token id:Id.Op_Semi length:1 col:27 line:...0x1592)
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              ]
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          then_kw: (Token id:Id.KW_Then length:4 col:29 line:...0x1592)
          action: [
            (command.Simple
              blame_tok: 
                (Token
                  id: Id.Lit_Chars
                  length: 6
                  col: 2
                  line: 
                    (SourceLine
                      line_num: 48
                      content: "  append -- --foo=$path (flags)\n"
                      src: ...0x1ca1
                    )
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              more_env: []
              words: [
                (CompoundWord parts:[...0x1fbe])
                (CompoundWord
                  parts: [(Token id:Id.Lit_Chars length:2 col:9 line:...0x1fc6)]
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                (CompoundWord
                  parts: [
                    (Token id:Id.Lit_Chars length:5 col:12 line:...0x1fc6)
                    (Token id:Id.Lit_Equals length:1 col:17 line:...0x1fc6)
                    (SimpleVarSub
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              typed_args: 
                (ArgList
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                  pos_args: [
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                      name: flags
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                  named_args: []
                  right: (Token id:Id.Op_RParen length:1 col:30 line:...0x1fc6)
                )
              do_fork: T
            )
          ]
          then_tok: ...0x1fda
        )
      ]
      else_action: []
      fi_kw: 
        (Token
          id: Id.KW_Fi
          length: 2
          col: 0
          line: (SourceLine line_num:49 content:"fi\n" src:...0x1ca1)
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    (command.If
      if_kw: 
        (Token
          id: Id.KW_If
          length: 2
          col: 0
          line: (SourceLine line_num:51 content:"if test -n $CONFIG_HAVE_BAR; then\n" src:...0x1ca1)
        )
      arms: [
        (IfArm
          keyword: ...0x1ed6
          cond: 
            (condition.Shell
              commands: [
                (command.Sentence
                  child: 
                    (command.Simple
                      blame_tok: (Token id:Id.Lit_Chars length:4 col:3 line:...0x1eda)
                      more_env: []
                      words: [
                        (CompoundWord parts:[...0x1ec2])
                        (CompoundWord
                          parts: [(Token id:Id.Lit_Chars length:2 col:8 line:...0x1eda)]
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                        (CompoundWord
                          parts: [
                            (SimpleVarSub
                              tok: (Token id:Id.VSub_DollarName length:16 col:11 line:...0x1eda)
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                        )
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                      do_fork: T
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                  terminator: (Token id:Id.Op_Semi length:1 col:27 line:...0x1eda)
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          then_kw: (Token id:Id.KW_Then length:4 col:29 line:...0x1eda)
          action: [
            (command.Simple
              blame_tok: 
                (Token
                  id: Id.Lit_Chars
                  length: 6
                  col: 2
                  line: (SourceLine line_num:52 content:"  append -- --bar (flags)\n" src:...0x1ca1)
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              more_env: []
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                (CompoundWord
                  parts: [(Token id:Id.Lit_Chars length:5 col:12 line:...0x1e62)]
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