ninja: no work to do.
---
(command.CommandList
  children:[
    (ShFunction
      name_tok:<Lit_Chars argv>
      name:argv
      body:(BraceGroup
        left:<Lit_LBrace "{">
        children:[
          (command.Sentence
            child:(C
              (w
                <Lit_Chars spec>
                <Lit_Slash />
                <Lit_Chars bin>
                <Lit_Slash />
                <Lit_Chars argv.py>
              )
              (w (DQ ($ VSub_At)))
            )
            terminator:<Op_Semi ";">
          )
        ]
        right:<Lit_RBrace "}">
      )
      code_str:"argv() { spec/bin/argv.py \"$@\"; }"
    )
    (command.ShAssignment
      left:<Lit_VarLike "CONFIG_HAVE_FOO=">
      pairs:[
        (AssignPair
          left:...0x10ca
          lhs:(sh_lhs.Name left:...0x10ca name:CONFIG_HAVE_FOO)
          op:assign_op.Equal
          rhs:(w <Lit_Chars yes>)
        )
      ]
    )
    (command.ShAssignment
      left:<Lit_VarLike "path=">
      pairs:[
        (AssignPair
          left:...0x107e
          lhs:(sh_lhs.Name left:...0x107e name:path)
          op:assign_op.Equal
          rhs:(w (SQ "/etc/path with spaces"))
        )
      ]
    )
    (command.ShAssignment
      left:<Lit_VarLike "flags=">
      pairs:[
        (AssignPair
          left:...0x101e
          lhs:(sh_lhs.Name left:...0x101e name:flags)
          op:assign_op.Equal
          rhs:(w (SQ ""))
        )
      ]
    )
    (command.If
      if_kw:<KW_If if>
      arms:[
        (IfArm
          keyword:...0x1a6e
          cond:[
            (command.Sentence
              child:(C
                (w <Lit_LBracket "[">)
                (w <Lit_Chars -n>)
                (w (DQ (${ VSub_Name CONFIG_HAVE_FOO)))
                (w <Lit_RBracket "]">)
              )
              terminator:<Op_Semi ";">
            )
          ]
          then_kw:<KW_Then then>
          action:[
            (command.ShAssignment
              left:<Lit_VarLike "flags=">
              pairs:[
                (AssignPair
                  left:...0x19ca
                  lhs:(sh_lhs.Name left:...0x19ca name:flags)
                  op:assign_op.Equal
                  rhs:(w
                    (DQ (${ VSub_Name flags) <Lit_Chars " --foo="> ($ path))
                  )
                )
              ]
            )
          ]
          then_tok:...0x19ea
        )
      ]
      else_action:[]
      fi_kw:<KW_Fi fi>
    )
    (command.If
      if_kw:<KW_If if>
      arms:[
        (IfArm
          keyword:...0x194a
          cond:[
            (command.Sentence
              child:(C
                (w <Lit_LBracket "[">)
                (w <Lit_Chars -n>)
                (w (DQ (${ VSub_Name CONFIG_HAVE_BAR)))
                (w <Lit_RBracket "]">)
              )
              terminator:<Op_Semi ";">
            )
          ]
          then_kw:<KW_Then then>
          action:[
            (command.ShAssignment
              left:<Lit_VarLike "flags=">
              pairs:[
                (AssignPair
                  left:...0x18a6
                  lhs:(sh_lhs.Name left:...0x18a6 name:flags)
                  op:assign_op.Equal
                  rhs:(w (DQ (${ VSub_Name flags) <Lit_Chars " --bar">))
                )
              ]
            )
          ]
          then_tok:...0x18c6
        )
      ]
      else_action:[]
      fi_kw:<KW_Fi fi>
    )
    (C (w <Lit_Chars argv>) (w (${ VSub_Name flags)))
    (C (w <Lit_Chars set>) (w <Lit_Chars -o>) (w <Lit_Chars errexit>))
    (C
      (w <Lit_Chars shopt>)
      (w <Lit_Chars -s>)
      (w <Lit_Chars parse_at>)
      (w <Lit_Chars simple_word_eval>)
    )
    (Mutation
      keyword:<KW_SetVar setvar>
      lhs:[<Expr_Name CONFIG_HAVE_FOO>]
      op:<Arith_Equal "=">
      rhs:(DQ <Lit_Chars yes>)
    )
    (Mutation
      keyword:<KW_SetVar setvar>
      lhs:[<Expr_Name path>]
      op:<Arith_Equal "=">
      rhs:(DQ <Lit_Chars "/etc/path with spaces">)
    )
    (Mutation
      keyword:<KW_SetVar setvar>
      lhs:[<Expr_Name flags>]
      op:<Arith_Equal "=">
      rhs:(YshArrayLiteral
        left:<Left_PercentParen "%(">
        words:[]
        right:<Right_Initializer ")">
      )
    )
    (command.If
      if_kw:<KW_If if>
      arms:[
        (IfArm
          keyword:...0x1e9e
          cond:[
            (command.Sentence
              child:(C
                (w <Lit_Chars test>)
                (w <Lit_Chars -n>)
                (w ($ CONFIG_HAVE_FOO))
              )
              terminator:<Op_Semi ";">
            )
          ]
          then_kw:<KW_Then then>
          action:[
            (command.Simple
              blame_tok:<Lit_Chars append>
              more_env:[]
              words:[
                (w <Lit_Chars append>)
                (w <Lit_Chars -->)
                (w <Lit_Chars --foo> <Lit_Equals "="> ($ path))
              ]
              typed_args:(ArgList
                left:<Op_LParen "(">
                pos_args:[(Var flags)]
                named_args:[]
                right:<Op_RParen ")">
              )
              is_last_cmd:F
            )
          ]
          then_tok:...0x1e42
        )
      ]
      else_action:[]
      fi_kw:<KW_Fi fi>
    )
    (command.If
      if_kw:<KW_If if>
      arms:[
        (IfArm
          keyword:...0x1d3e
          cond:[
            (command.Sentence
              child:(C
                (w <Lit_Chars test>)
                (w <Lit_Chars -n>)
                (w ($ CONFIG_HAVE_BAR))
              )
              terminator:<Op_Semi ";">
            )
          ]
          then_kw:<KW_Then then>
          action:[
            (command.Simple
              blame_tok:<Lit_Chars append>
              more_env:[]
              words:[
                (w <Lit_Chars append>)
                (w <Lit_Chars -->)
                (w <Lit_Chars --bar>)
              ]
              typed_args:(ArgList
                left:<Op_LParen "(">
                pos_args:[(Var flags)]
                named_args:[]
                right:<Op_RParen ")">
              )
              is_last_cmd:F
            )
          ]
          then_tok:...0x1ce2
        )
      ]
      else_action:[]
      fi_kw:<KW_Fi fi>
    )
    (C (w <Lit_Chars argv>) (w <Lit_Splice "@flags">))
  ]
)
---
(command.CommandList
  children:[
    (ShFunction
      name_tok:<Lit_Chars argv>
      name:argv
      body:(BraceGroup
        left:<Lit_LBrace "{">
        children:[
          (command.Sentence
            child:(C
              (w
                <Lit_Chars spec>
                <Lit_Slash />
                <Lit_Chars bin>
                <Lit_Slash />
                <Lit_Chars argv.py>
              )
              (w (DQ ($ VSub_At)))
            )
            terminator:<Op_Semi ";">
          )
        ]
        right:<Lit_RBrace "}">
      )
      code_str:"argv() { spec/bin/argv.py \"$@\"; }"
    )
    (command.ShAssignment
      left:<Lit_VarLike "regex=">
      pairs:[
        (AssignPair
          left:...0x10d6
          lhs:(sh_lhs.Name left:...0x10d6 name:regex)
          op:assign_op.Equal
          rhs:(w
            (word_part.InitializerLiteral
              left:<Op_LParen "(">
              pairs:[
                (InitializerWord.ArrayWord w:(w <Lit_Chars old1>))
                (InitializerWord.ArrayWord w:(w <Lit_Chars old2>))
              ]
              right:<Right_Initializer ")">
            )
          )
        )
      ]
    )
    (command.ShAssignment
      left:<Lit_VarLike "flags=">
      pairs:[
        (AssignPair
          left:...0x106e
          lhs:(sh_lhs.Name left:...0x106e name:flags)
          op:assign_op.Equal
          rhs:(w
            (word_part.InitializerLiteral
              left:<Op_LParen "(">
              pairs:[]
              right:<Right_Initializer ")">
            )
          )
        )
      ]
    )
    (command.ForEach
      keyword:<KW_For for>
      iter_names:[r]
      iterable:(for_iter.Words
        words:[
          (w
            (DQ
              (BracedVarSub
                left:<Left_DollarBrace "${">
                name_tok:<VSub_Name regex>
                var_name:regex
                bracket_op:(bracket_op.WholeArray op_id:Lit_At)
                right:<Right_DollarBrace "}">
              )
            )
          )
        ]
      )
      semi_tok:<Op_Semi ";">
      body:(command.DoGroup
        left:<KW_Do do>
        children:[
          (command.ShAssignment
            left:<Lit_ArrayLhsOpen "flags[">
            pairs:[
              (AssignPair
                left:...0x1a36
                lhs:(sh_lhs.IndexedName
                  left:...0x1a36
                  name:flags
                  index:(w
                    (BracedVarSub
                      left:<Left_DollarBrace "${">
                      name_tok:<VSub_Name flags>
                      var_name:flags
                      prefix_op:<VSub_Pound "#">
                      bracket_op:(bracket_op.WholeArray op_id:Lit_At)
                      right:<Right_DollarBrace "}">
                    )
                  )
                )
                op:assign_op.Equal
                rhs:(w (DQ <Lit_Chars "--regex="> ($ r)))
              )
            ]
          )
        ]
        right:<KW_Done done>
      )
    )
    (C
      (w <Lit_Chars argv>)
      (w
        (DQ
          (BracedVarSub
            left:<Left_DollarBrace "${">
            name_tok:<VSub_Name flags>
            var_name:flags
            bracket_op:(bracket_op.WholeArray op_id:Lit_At)
            right:<Right_DollarBrace "}">
          )
        )
      )
    )
    (C
      (w <Lit_Chars shopt>)
      (w <Lit_Chars -s>)
      (w <Lit_Chars simple_word_eval>)
      (w <Lit_Chars parse_at>)
    )
    (VarDecl
      keyword:<KW_Var var>
      lhs:[(NameType left:<Expr_Name regex2> name:regex2)]
      rhs:(YshArrayLiteral
        left:<Left_PercentParen "%(">
        words:[(w <Lit_Chars new1>) (w <Lit_Chars new2>)]
        right:<Right_Initializer ")">
      )
    )
    (VarDecl
      keyword:<KW_Var var>
      lhs:[(NameType left:<Expr_Name flags2> name:flags2)]
      rhs:(YshArrayLiteral
        left:<Left_PercentParen "%(">
        words:[]
        right:<Right_Initializer ")">
      )
    )
    (command.ForEach
      keyword:<KW_For for>
      iter_names:[r]
      iterable:(for_iter.Words words:[(w <Lit_Splice "@regex2">)])
      semi_tok:<Op_Semi ";">
      body:(command.DoGroup
        left:<KW_Do do>
        children:[
          (command.Simple
            blame_tok:<Lit_Chars append>
            more_env:[]
            words:[(w <Lit_Chars append>) (w (DQ <Lit_Chars "--regex="> ($ r)))]
            typed_args:(ArgList
              left:<Op_LParen "(">
              pos_args:[(Var flags2)]
              named_args:[]
              right:<Op_RParen ")">
            )
            is_last_cmd:F
          )
        ]
        right:<KW_Done done>
      )
    )
    (C (w <Lit_Chars argv>) (w <Lit_Splice "@flags2">))
  ]
)
---
  echo len=$[len(myarray)]
                ^
ysh/testdata/array-splice-demo.osh:10: Unexpected token after arithmetic expression (Id.Arith_LParen != Id.Arith_RBracket)
xargs: ysh/run.sh: exited with status 255; aborting