(command.CommandList children: [ (command.If arms: [ (if_arm cond: [ (command.Sentence child: (C {(Lit_Other '[')} {($ VSub_Pound '$#')} {(-eq)} {(0)} {(Lit_Other ']')}) terminator: <Op_Semi ';'> ) ] action: [ (command.SimpleCommand words: [ {(echo)} { (DQ ('Usage: ') (word_part.CommandSubPart command_list: (command.CommandList children: [(C {(basename)} {($ VSub_Number '$0')})] ) left_token: <Left_Backtick '`'> ) (' [MAKEVAR=value...] path...') ) } ] redirects: [(redir.Redir op:<Redir_GreatAnd '1>&'> fd:1 arg_word:{(2)})] ) (command.ControlFlow token:<ControlFlow_Exit exit> arg_word:{(1)}) ] ) ] ) (command.Assignment keyword: Assign_None pairs: [(assign_pair lhs:(lhs_expr.LhsName name:SUBDIR) op:Equal rhs:(word.EmptyWord))] ) (command.ForEach iter_name: i iter_words: [{(DQ ($ VSub_At '$@'))}] do_arg_iter: F body: (command.DoGroup children: [ (command.Case to_match: {(DQ ($ VSub_DollarName '$i'))} arms: [ (case_arm pat_list: [{(Lit_Other '*') (Lit_Other '=') (Lit_Other '*')}] action: [ (command.Assignment keyword: Assign_None pairs: [ (assign_pair lhs: (lhs_expr.LhsName name:MAKE_ARGS) op: Equal rhs: {(DQ ($ VSub_DollarName '$MAKE_ARGS') (' ') ($ VSub_DollarName '$i'))} ) ] ) ] ) (case_arm pat_list: [{(Lit_Other '*')}] action: [ (command.Assignment keyword: Assign_None pairs: [ (assign_pair lhs: (lhs_expr.LhsName name:SUBDIR) op: Equal rhs: {(DQ ($ VSub_DollarName '$SUBDIR') (' ') ($ VSub_DollarName '$i'))} ) ] ) ] ) ] ) ] ) ) (C {(make)} {(tinderbox)} {(Lit_VarLike 'UNIVERSE_TARGET=') (DQ ('_cleanobj _obj everything'))} {($ VSub_DollarName '$MAKE_ARGS')} {(Lit_VarLike 'SUBDIR_OVERRIDE=') (DQ ($ VSub_DollarName '$SUBDIR'))} ) ] )