(List
  (Com {[LIT_OTHER ":"]} {[LIT_CHARS convert]} {[LIT_CHARS MAM]} {[LIT_CHARS dependency]} {[LIT_CHARS info]} {[LIT_CHARS to]} {[LIT_CHARS dot]} {[LIT_CHARS input]})
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('COMMAND', {[LIT_CHARS mamdot]})])
  (Case to_match={[ComSub (Subshell (List (Com {[LIT_CHARS getopts]} {[SQ <LIT_CHARS "[-][123:xyz]">]} {[LIT_CHARS opt]} {[LIT_CHARS --xyz]}) (Com {[LIT_CHARS echo]} {[LIT_CHARS 0] [VarSub opt]}) ) )]}, pat_word_list=[[{[LIT_CHARS 0123]}], [{[LIT_OTHER "*"]}]]
    (List
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('ARGV0', {[DQ [LIT_CHARS "-a "][VarSub COMMAND]]})])
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('USAGE', {[SQ <LIT_CHARS "\n"> <LIT_CHARS "[-?\n"> <LIT_CHARS "@(#)$Id: mamdot (AT&T Labs Research) 1997-02-16 $\n"> <LIT_CHARS "]\n">] [VarSub USAGE_LICENSE] [SQ <LIT_CHARS "\n"> <LIT_CHARS "[+NAME?mamdot - make abstract machine to dot dependency graph conversion filter]\n"> <LIT_CHARS "[+DESCRIPTION?\\bmamdot\\b reads MAM (Make Abstract Machine) target and\n"> <LIT_CHARS "\tprerequisite file descriptions from the standard input and writes a\n"> <LIT_CHARS "\t\\bdot\\b(1) description of the dependency graph on the standard output.\n"> <LIT_CHARS "\tMamfiles are generated by the \\b--mam\\b option of \\bnmake\\b(1) and\n"> <LIT_CHARS "\t\\bgmake\\b(1).]\n"> <LIT_CHARS "[i:ignore?Dependency names matching the shell \\apattern\\a are\n"> <LIT_CHARS "\tignored.]:[pattern]\n"> <LIT_CHARS "[+SEE ALSO?\\bdot\\b(1), \\bgmake\\b(1), \\bnmake\\b(1)]\n">]})])
    )
    (List
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('ARGV0', {[DQ ]})])
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('USAGE', {[DQ [LIT_CHARS "i:[pattern]"]]})])
    )
  )
  (FunctionDef usage []
    (List
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('OPTIND', {[LIT_CHARS 0]})])
      (Com {[LIT_CHARS getopts]} {[VarSub ARGV0]} {[DQ [VarSub USAGE]]} {[LIT_CHARS OPT]} {[SQ <LIT_CHARS "-?">]})
      (Com {[LIT_CHARS exit]} {[LIT_CHARS 2]})
    )
  )
  (Com {[LIT_CHARS integer]} {[LIT_VAR_LIKE "level="] [LIT_CHARS 0] =})
  (Com {[LIT_CHARS typeset]} {[LIT_CHARS -A]} {[LIT_CHARS pwd]} {[LIT_CHARS top]})
  (Com {[LIT_CHARS typeset]} {[LIT_VAR_LIKE "ignore="] =} {[LIT_VAR_LIKE "tree="] [DQ [LIT_CHARS "@(make|done|prev)"]] =})
  (While
    (Com {[LIT_CHARS getopts]} {[VarSub ARGV0]} {[DQ [VarSub USAGE]]} {[LIT_CHARS OPT]})
    (Case to_match={[VarSub OPT]}, pat_word_list=[[{[LIT_CHARS i]}], [{[LIT_OTHER "*"]}]]
      (List
        (AndOr OP_AND_IF
          (DBracket {B1 UNARY_STRING_n {[VarSub ignore]}})
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('ignore', {[DQ [VarSub ignore][LIT_CHARS "|"]]})])
        )
        (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('ignore', {[VarSub ignore] [VarSub OPTARG]})])
      )
      (Com {[LIT_CHARS usage]})
    )
  )
  (AndOr OP_AND_IF
    (DBracket {B1 UNARY_STRING_n {[VarSub ignore]}})
    (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('ignore', {[DQ [LIT_CHARS "@("][VarSub ignore][LIT_CHARS ")"]]})])
  )
  (Com {[LIT_CHARS list] [LIT_OTHER "["] [LIT_CHARS 0] [LIT_OTHER "]"] [LIT_OTHER "="] [LIT_CHARS all]})
  (Com {[LIT_CHARS top] [LIT_OTHER "["] [LIT_CHARS 0] [LIT_OTHER "]"] [LIT_OTHER "="] [LIT_CHARS 1]})
  (Com {[LIT_CHARS print]} {[DQ [LIT_CHARS "digraph mam {"]]})
  (Com {[LIT_CHARS print]} {[DQ [LIT_CHARS "rankdir = LR"]]})
  (Com {[LIT_CHARS print]} {[DQ [LIT_CHARS "node [ shape = box ]"]]})
  (While
    (Com {[LIT_CHARS read]} {[LIT_CHARS -r]} {[LIT_CHARS label]} {[LIT_CHARS op]} {[LIT_CHARS arg]} {[LIT_CHARS arg2]} {[LIT_CHARS arg3]} {[LIT_CHARS args]})
    (List
      (AndOr OP_OR_IF
        (DBracket {B2 BINARY_STRING_EQUAL {[VarSub label]} {[LIT_OTHER "["] [LIT_OTHER "["] [LIT_OTHER ":"] [LIT_CHARS digit] [LIT_OTHER ":"] [LIT_RIGHT_DBRACKET "]]"] [LIT_OTHER "*"]}})
        (List
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('arg3', {[VarSub args]})])
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('arg2', {[VarSub arg]})])
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('arg', {[VarSub op]})])
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('op', {[VarSub label]})])
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('label', {[LIT_CHARS 0]})])
        )
      )
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('rule', {[VarSub arg]})])
      (AndOr OP_OR_IF
        (DBracket {B? LOGICAL_BINARY_OR {B1 UNARY_STRING_n {[VarSub top bracket_op=(Index {A Atom NODE_ARITH_WORD {[VarSub label]}})]}} {B? LOGICAL_BINARY_OR {B2 BINARY_STRING_EQUAL {[VarSub arg]} {[LIT_OTHER "*"] [LIT_CHARS /] [LIT_OTHER "*"]}} {B2 BINARY_STRING_NOT_EQUAL {[VarSub op]} {[VarSub tree]}}}})
        (List
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('arg', {[VarSub label] [LIT_OTHER ":"] [LIT_OTHER ":"] [VarSub arg]})])
          (AndOr OP_AND_IF
            (DBracket {B2 BINARY_STRING_EQUAL {[VarSub op]} {[LIT_CHARS make]}})
            (Com {[LIT_CHARS print]} {[DQ [\ LIT_ESCAPED_CHAR "\\\""][VarSub arg][\ LIT_ESCAPED_CHAR "\\\""][LIT_CHARS " [ label = "][\ LIT_ESCAPED_CHAR "\\\""][VarSub rule][\ LIT_ESCAPED_CHAR "\\\""][LIT_CHARS " ]"]]})
          )
        )
      )
      (Case to_match={[VarSub op]}, pat_word_list=[[{[LIT_CHARS make]}], [{[LIT_CHARS prev]}], [{[LIT_CHARS done]}], [{[LIT_CHARS info]}]]
        (List
          (AndOr OP_OR_IF
            (DBracket {B2 BINARY_STRING_EQUAL {[VarSub rule]} {[VarSub ignore]}})
            (Com {[LIT_CHARS list] [LIT_OTHER "["] [LIT_CHARS level] [LIT_OTHER "]"] [LIT_OTHER "="] [VarSub list bracket_op=(Index {A Atom NODE_ARITH_WORD {[VarSub level]}})] [SQ <LIT_CHARS "\\n">] [\ LIT_ESCAPED_CHAR "\\\""] [VarSub arg] [\ LIT_ESCAPED_CHAR "\\\""]})
          )
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('level', {[LIT_CHARS level] [LIT_OTHER "+"] [LIT_CHARS 1]})])
          (Com {[LIT_CHARS list] [LIT_OTHER "["] [LIT_CHARS level] [LIT_OTHER "]"] [LIT_OTHER "="]})
        )
        (AndOr OP_OR_IF
          (DBracket {B2 BINARY_STRING_EQUAL {[VarSub rule]} {[VarSub ignore]}})
          (Com {[LIT_CHARS list] [LIT_OTHER "["] [LIT_CHARS level] [LIT_OTHER "]"] [LIT_OTHER "="] [VarSub list bracket_op=(Index {A Atom NODE_ARITH_WORD {[VarSub level]}})] [SQ <LIT_CHARS "\\n">] [\ LIT_ESCAPED_CHAR "\\\""] [VarSub arg] [\ LIT_ESCAPED_CHAR "\\\""]})
        )
        (List
          (AndOr OP_OR_IF
            (DBracket {B? LOGICAL_BINARY_OR {B2 BINARY_STRING_EQUAL {[VarSub rule]} {[VarSub ignore]}} {B! {B1 UNARY_STRING_n {[VarSub list bracket_op=(Index {A Atom NODE_ARITH_WORD {[VarSub level]}})]}}}})
            (Com {[LIT_CHARS print]} {[DQ [\ LIT_ESCAPED_CHAR "\\\""][VarSub arg][\ LIT_ESCAPED_CHAR "\\\""][LIT_CHARS " -> {"][VarSub list bracket_op=(Index {A Atom NODE_ARITH_WORD {[VarSub level]}})][LIT_CHARS " }"]]})
          )
          (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('level', {[LIT_CHARS level-1]})])
        )
        (Case to_match={[VarSub arg]}, pat_word_list=[[{[LIT_CHARS pwd]}]]
          (AndOr OP_AND_IF
            (DBracket {B2 BINARY_STRING_EQUAL {[VarSub arg3]} {[DQ [LIT_CHARS .]]}})
            (Com {[LIT_CHARS top] [LIT_OTHER "["] [VarSub label] [LIT_OTHER "]"] [LIT_OTHER "="] [LIT_CHARS 1]})
          )
        )
      )
    )
  )
  (Com {[LIT_CHARS print]} {[DQ [LIT_CHARS "}"]]})
)