(List
  (FunctionDef err_exit []
    (List
      (Com {[LIT_CHARS print]} {[LIT_CHARS -u2]} {[LIT_CHARS -n]} {[DQ [\ LIT_ESCAPED_CHAR "\\t"]]})
      (Com {[LIT_CHARS print]} {[LIT_CHARS -u2]} {[LIT_CHARS -r]} {[VarSub Command] [LIT_OTHER "["] [VarSub 1] [LIT_OTHER "]"] [LIT_OTHER ":"]} {[DQ [VarSub @ transform_ops=[Slice {A Atom NODE_ARITH_WORD {[AS_NUM_LITERAL 2]}} None]]]})
      (Com {[LIT_CHARS let]} {[LIT_VAR_LIKE "Errors+="] [LIT_CHARS 1] =})
    )
  )
  (Com {[LIT_CHARS alias]} {[LIT_VAR_LIKE "err_exit="] [SQ <LIT_CHARS "err_exit $LINENO">] =})
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('Command', {[VarSub 0 transform_ops=[VS_UNARY_DPOUND {[LIT_CHARS "*"] [LIT_SLASH /]}]]})])
  (Com {[LIT_CHARS integer]} {[LIT_VAR_LIKE "Errors="] [LIT_CHARS 0] =})
  (AndOr OP_OR_IF
    (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('tmp', {[ComSub (Com {[LIT_CHARS mktemp]} {[LIT_CHARS -dt]})]})])
    (List
      (Com {[LIT_CHARS err_exit]} {[LIT_CHARS mktemp]} {[LIT_CHARS -dt]} {[LIT_CHARS failed]})
      (Com {[LIT_CHARS exit]} {[LIT_CHARS 1]})
    )
  )
  (Com {[LIT_CHARS trap]} {[DQ [LIT_CHARS "cd /; rm -rf "][VarSub tmp]]} {[LIT_CHARS EXIT]})
  (Com {[LIT_CHARS unset]} {[LIT_CHARS HISTFILE]})
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('foo', {[LIT_CHARS NOVAL]}), ('bar', {[LIT_CHARS NOVAL]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('file', {[VarSub tmp] [LIT_CHARS /test]})])
  (FunctionDef foo []
    (List
      (Com {[LIT_CHARS typeset]} {[LIT_VAR_LIKE "foo="] [LIT_CHARS NOEXIT] =})
      (Com {[LIT_CHARS trap]} {[DQ [LIT_CHARS "foo=EXIT;rm -f "][VarSub file]]} {[LIT_CHARS EXIT]})
      (Com 
        <
        (FilenameRedirectNode filename={[VarSub file]} <REDIR_GREAT ">"> 1),
        >
      )
      (If
        (DParen {A2 AS_OP_DEQUAL {A Atom NODE_ARITH_WORD {[VarSub 1]}} {A Atom NODE_ARITH_WORD {[AS_NUM_LITERAL 0]}}})
        (Com {[LIT_CHARS return]} {[VarSub 2]})
        (DParen {A2 AS_OP_DEQUAL {A Atom NODE_ARITH_WORD {[VarSub 1]}} {A Atom NODE_ARITH_WORD {[AS_NUM_LITERAL 1]}}})
        (Com {[LIT_CHARS exit]} {[VarSub 2]})
        (ElseTrue)
        (Com {[LIT_CHARS bar]} {[DQ [VarSub @]]})
      )
    )
  )
  (FunctionDef bar []
    (List
      (Com {[LIT_CHARS typeset]} {[LIT_VAR_LIKE "bar="] [LIT_CHARS NOEXIT] =})
      (Com {[LIT_CHARS trap]} {[SQ <LIT_CHARS "bar=EXIT">]} {[LIT_CHARS EXIT]})
      (If
        (DParen {A2 AS_OP_DEQUAL {A Atom NODE_ARITH_WORD {[VarSub 1]}} {A Atom NODE_ARITH_WORD {[AS_NUM_LITERAL 2]}}})
        (Com {[LIT_CHARS return]} {[VarSub 2]})
        (DParen {A2 AS_OP_DEQUAL {A Atom NODE_ARITH_WORD {[VarSub 1]}} {A Atom NODE_ARITH_WORD {[AS_NUM_LITERAL 3]}}})
        (Com {[LIT_CHARS exit]} {[VarSub 2]})
      )
    )
  )
  (FunctionDef funcheck []
    (List
      (AndOr OP_OR_IF
        (DBracket {B2 BINARY_STRING_EQUAL {[VarSub foo]} {[LIT_CHARS EXIT]}})
        (Com {[LIT_CHARS err_exit]} {[DQ [LIT_CHARS "foo "]] [VarSub @] [DQ [LIT_CHARS " : exit trap not set"]]})
      )
      (If
        (DBracket {B1 UNARY_FILE_f {[VarSub file]}})
        (List
          (Com {[LIT_CHARS rm]} {[LIT_CHARS -r]} {[VarSub file]})
          (Com {[LIT_CHARS err_exit]} {[DQ [LIT_CHARS "foo "][VarSub @][LIT_CHARS ": doesn't remove "][VarSub file]]})
        )
      )
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('foo', {[LIT_CHARS NOVAL]}), ('bar', {[LIT_CHARS NOVAL]})])
    )
  )
  (AndOr OP_OR_IF
    (Subshell
      (Com {[LIT_CHARS exit]} {[LIT_CHARS 0]})
    )
    (Com {[LIT_CHARS err_exit]} {[DQ [LIT_CHARS "exit 0 is not zero"]]})
  )
  (AndOr OP_OR_IF
    (Subshell
      (Com {[LIT_CHARS return]} {[LIT_CHARS 0]})
    )
    (Com {[LIT_CHARS err_exit]} {[DQ [LIT_CHARS "return 0 is not zero"]]})
  )
  (AndOr OP_OR_IF
    (Subshell
      (Com {[LIT_CHARS exit]})
    )
    (Com {[LIT_CHARS err_exit]} {[DQ [LIT_CHARS "default exit value is not zero"]]})
  )
  (AndOr OP_OR_IF
    (Subshell
      (Com {[LIT_CHARS return]})
    )
    (Com {[LIT_CHARS err_exit]} {[DQ [LIT_CHARS "default return value is not zero"]]})
  )
  (Subshell
    (Com {[LIT_CHARS exit]} {[LIT_CHARS 35]})
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('ret', {[VarSub ?]})])
  (If
    (DParen {A2 AS_OP_NEQUAL {A Atom NODE_ARITH_WORD {[VarSub ret]}} {A Atom NODE_ARITH_WORD {[AS_NUM_LITERAL 35]}}})
    (Com {[LIT_CHARS err_exit]} {[DQ [LIT_CHARS "exit 35 is "][VarSub ret][LIT_CHARS " not 35"]]})
  )
  (Subshell
    (Com {[LIT_CHARS return]} {[LIT_CHARS 35]})
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('ret', {[VarSub ?]})])
  (If
    (DParen {A2 AS_OP_NEQUAL {A Atom NODE_ARITH_WORD {[VarSub ret]}} {A Atom NODE_ARITH_WORD {[AS_NUM_LITERAL 35]}}})
    (Com {[LIT_CHARS err_exit]} {[DQ [LIT_CHARS "return 35 is "][VarSub ret][LIT_CHARS " not 35"]]})
  )
  (AndOr OP_OR_IF
    (Com {[LIT_CHARS foo]} {[LIT_CHARS 0]} {[LIT_CHARS 0]})
    (Com {[LIT_CHARS err_exit]} {[DQ [LIT_CHARS "foo 0 0: incorrect return"]]})
  )
  (Com {[LIT_CHARS funcheck]} {[LIT_CHARS 0]} {[LIT_CHARS 0]})
  (Com {[LIT_CHARS foo]} {[LIT_CHARS 0]} {[LIT_CHARS 3]})
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('ret', {[VarSub ?]})])
  (If
    (DParen {A2 AS_OP_NEQUAL {A Atom NODE_ARITH_WORD {[VarSub ret]}} {A Atom NODE_ARITH_WORD {[AS_NUM_LITERAL 3]}}})
    (Com {[LIT_CHARS err_exit]} {[DQ [LIT_CHARS "foo 0 3: return is "][VarSub ret][LIT_CHARS " not 3"]]})
  )
  (Com {[LIT_CHARS funcheck]} {[LIT_CHARS 0]} {[LIT_CHARS 3]})
  (AndOr OP_OR_IF
    (Com {[LIT_CHARS foo]} {[LIT_CHARS 2]} {[LIT_CHARS 0]})
    (Com {[LIT_CHARS err_exit]} {[DQ [LIT_CHARS "foo 2 0: incorrect return"]]})
  )
  (AndOr OP_OR_IF
    (DBracket {B2 BINARY_STRING_EQUAL {[VarSub bar]} {[LIT_CHARS EXIT]}})
    (Com {[LIT_CHARS err_exit]} {[DQ [LIT_CHARS "foo 2 0: bar exit trap not set"]]})
  )
  (Com {[LIT_CHARS funcheck]} {[LIT_CHARS 2]} {[LIT_CHARS 0]})
  (Com {[LIT_CHARS foo]} {[LIT_CHARS 2]} {[LIT_CHARS 3]})
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('ret', {[VarSub ?]})])
  (If
    (DParen {A2 AS_OP_NEQUAL {A Atom NODE_ARITH_WORD {[VarSub ret]}} {A Atom NODE_ARITH_WORD {[AS_NUM_LITERAL 3]}}})
    (Com {[LIT_CHARS err_exit]} {[DQ [LIT_CHARS "foo 2 3: return is "][VarSub ret][LIT_CHARS " not 3"]]})
  )
  (AndOr OP_OR_IF
    (DBracket {B2 BINARY_STRING_EQUAL {[VarSub bar]} {[LIT_CHARS EXIT]}})
    (Com {[LIT_CHARS err_exit]} {[DQ [LIT_CHARS "foo 2 3: bar exit trap not set"]]})
  )
  (Com {[LIT_CHARS funcheck]} {[LIT_CHARS 2]} {[LIT_CHARS 3]})
  (Subshell
    (Com {[LIT_CHARS foo]} {[LIT_CHARS 3]} {[LIT_CHARS 3]})
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('ret', {[VarSub ?]})])
  (If
    (DParen {A2 AS_OP_NEQUAL {A Atom NODE_ARITH_WORD {[VarSub ret]}} {A Atom NODE_ARITH_WORD {[AS_NUM_LITERAL 3]}}})
    (Com {[LIT_CHARS err_exit]} {[DQ [LIT_CHARS "foo 3 3: return is "][VarSub ret][LIT_CHARS " not 3"]]})
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('foo', {[LIT_CHARS EXIT]})])
  (Com {[LIT_CHARS funcheck]} {[LIT_CHARS 3]} {[LIT_CHARS 3]})
  (Com {[LIT_CHARS cat]}
    <
    (FilenameRedirectNode filename={[VarSub file]} <REDIR_GREAT ">"> 1),
    (HereDocRedirectNode here_end='!' do_expansion=True body_word={[DQ [LIT_CHARS "return 3\n"][LIT_CHARS "exit 4\n"]]} <REDIR_DLESS "<<"> 0),
    >
  )
  (Subshell
    (Com {[LIT_CHARS .]} {[VarSub file]})
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('ret', {[VarSub ?]})])
  (If
    (DParen {A2 AS_OP_NEQUAL {A Atom NODE_ARITH_WORD {[VarSub ret]}} {A Atom NODE_ARITH_WORD {[AS_NUM_LITERAL 3]}}})
    (Com {[LIT_CHARS err_exit]} {[DQ [LIT_CHARS "return in dot script is "][VarSub ret][LIT_CHARS " should be 3"]]})
  )
  (Com {[LIT_CHARS chmod]} {[LIT_CHARS 755]} {[VarSub file]})
  (Subshell
    (Com {[VarSub file]})
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('ret', {[VarSub ?]})])
  (If
    (DParen {A2 AS_OP_NEQUAL {A Atom NODE_ARITH_WORD {[VarSub ret]}} {A Atom NODE_ARITH_WORD {[AS_NUM_LITERAL 3]}}})
    (Com {[LIT_CHARS err_exit]} {[DQ [LIT_CHARS "return in script is "][VarSub ret][LIT_CHARS " should be 3"]]})
  )
  (Com {[LIT_CHARS cat]}
    <
    (FilenameRedirectNode filename={[VarSub file]} <REDIR_GREAT ">"> 1),
    (HereDocRedirectNode here_end='!' do_expansion=True body_word={[DQ [LIT_CHARS ": line 1\n"][LIT_CHARS "# next line should fail and cause an exit\n"][LIT_CHARS ": > /\n"][LIT_CHARS "exit 4\n"]]} <REDIR_DLESS "<<"> 0),
    >
  )
  (Subshell
    (List
      (Com {[LIT_CHARS .]} {[VarSub file]})
      (Com {[LIT_CHARS exit]} {[LIT_CHARS 5]})
    )
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('ret', {[VarSub ?]})])
  (If
    (DParen {A2 AS_OP_NEQUAL {A Atom NODE_ARITH_WORD {[VarSub ret]}} {A Atom NODE_ARITH_WORD {[AS_NUM_LITERAL 1]}}})
    (Com {[LIT_CHARS err_exit]} {[DQ [LIT_CHARS "error in dot script is "][VarSub ret][LIT_CHARS " should be 1"]]})
  )
  (Subshell
    (List
      (Com {[VarSub file]})
      (Com {[LIT_CHARS exit]} {[LIT_CHARS 5]})
    )
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('ret', {[VarSub ?]})])
  (If
    (DParen {A2 AS_OP_NEQUAL {A Atom NODE_ARITH_WORD {[VarSub ret]}} {A Atom NODE_ARITH_WORD {[AS_NUM_LITERAL 5]}}})
    (Com {[LIT_CHARS err_exit]} {[DQ [LIT_CHARS "error in script is "][VarSub ret][LIT_CHARS " should be 5"]]})
  )
  (Com {[LIT_CHARS cat]}
    <
    (FilenameRedirectNode filename={[VarSub file]} <REDIR_GREAT ">"> 1),
    (HereDocRedirectNode here_end='!' do_expansion=False body_word={[LIT_CHARS "print -r -- \"$0\"\n"]} <REDIR_DLESS "<<"> 0),
    >
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('x', {[ComSub (Com {[LIT_CHARS .]} {[VarSub file]})]})])
  (If
    (DBracket {B2 BINARY_STRING_NOT_EQUAL {[VarSub x]} {[VarSub 0]}})
    (Com {[LIT_CHARS err_exit]} {[DQ [\ LIT_ESCAPED_CHAR "\\$"][LIT_CHARS "0 in a dot script is "][VarSub x][LIT_CHARS ". Should be "][VarSub 0]]})
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('x', {[ComSub (Com redirects=[(FilenameRedirectNode filename={[LIT_CHARS /dev/null]} <REDIR_GREAT "2>"> 2) (HereDocRedirectNode here_end='!' do_expansion=False body_word={[LIT_CHARS "typeset -i x=1/0\n"] [LIT_CHARS "print hello\n"]} <REDIR_DLESS "<<"> 0)]{[VarSub SHELL]} {[LIT_CHARS -i]} {[LIT_CHARS --norc]})]})])
  (If
    (DBracket {B2 BINARY_STRING_NOT_EQUAL {[VarSub x]} {[LIT_CHARS hello]}})
    (Com {[LIT_CHARS err_exit]} {[DQ [LIT_CHARS "interactive shell terminates with error in bltin"]]})
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('x', {[ComSub (List (Com {[LIT_CHARS set]} {[LIT_CHARS -e]}) (Com {[LIT_CHARS false]}) (Com {[LIT_CHARS print]} {[LIT_CHARS bad]}) )]})])
  (If
    (DBracket {B2 BINARY_STRING_NOT_EQUAL {[VarSub x]} {[SQ ]}})
    (Com {[LIT_CHARS err_exit]} {[DQ [LIT_CHARS "set -e doesn't terminate script on error"]]})
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('x', {[ComSub (List (Com {[LIT_CHARS set]} {[LIT_CHARS -e]}) (Com {[LIT_CHARS trap]} {[SQ <LIT_CHARS "exit 0">]} {[LIT_CHARS EXIT]}) (Com {[LIT_CHARS false]}) (Com {[LIT_CHARS print]} {[LIT_CHARS bad]}) )]})])
  (If
    (DParen {A2 AS_OP_NEQUAL {A Atom NODE_ARITH_WORD {[VarSub ?]}} {A Atom NODE_ARITH_WORD {[AS_NUM_LITERAL 0]}}})
    (Com {[LIT_CHARS err_exit]} {[DQ [LIT_CHARS "exit 0 in trap should doesn't set exit value to 0"]]})
  )
  (Com {[VarSub SHELL]}
    <
    (HereDocRedirectNode here_end='!' do_expansion=False body_word={[LIT_CHARS "trap 'exit 8' EXIT\n"] [LIT_CHARS "exit 1\n"]} <REDIR_DLESS "<<"> 0),
    >
  )
  (If
    (DParen {A2 AS_OP_NEQUAL {A Atom NODE_ARITH_WORD {[VarSub ?]}} {A Atom NODE_ARITH_WORD {[AS_NUM_LITERAL 8]}}})
    (Com {[LIT_CHARS err_exit]} {[DQ [LIT_CHARS "exit 8 in trap should set exit value to 8"]]})
  )
  (Com {[LIT_CHARS exit]} {[ArithSub {A3 AS_OP_QMARK {A2 AS_OP_LESS {A Atom NODE_ARITH_WORD {[VarSub Errors]}} {A Atom NODE_ARITH_WORD {[AS_NUM_LITERAL 125]}}} {A Atom NODE_ARITH_WORD {[VarSub Errors]}} {A Atom NODE_ARITH_WORD {[AS_NUM_LITERAL 125]}}}]})
)