(CommandList
  children: [
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:install_loc)
          op: Equal
          rhs: 
            {
              (CommandSubPart
                command_list: (CommandList children:[(C {(pwd)})])
                left_token: <Left_Backtick '`'>
                spids: [27 29]
              )
            }
          spids: [26]
        )
      ]
      spids: [26]
    )
    (FuncDef
      name: main
      body: 
        (BraceGroup
          children: [
            (If
              arms: [
                (if_arm
                  cond: [
                    (Sentence
                      child: 
                        (C {(Lit_Other '[')} 
                          {
                            (CommandSubPart
                              command_list: 
                                (CommandList
                                  children: [(C {(basename)} {($ VSub_Name '$install_loc')})]
                                )
                              left_token: <Left_CommandSub '$('>
                              spids: [43 47]
                            )
                          } {(KW_Bang '!') (Lit_Other '=')} {(DQ (selftests))} {(Lit_Other ']')}
                        )
                      terminator: <Op_Semi ';'>
                    )
                  ]
                  action: [
                    (C {(echo)} 
                      {(DQ ($ VSub_Number '$0') (': Please run it in selftests directory ...'))}
                    )
                    (Sentence
                      child: (ControlFlow token:<ControlFlow_Exit exit> arg_word:{(1)})
                      terminator: <Op_Semi ';'>
                    )
                  ]
                  spids: [16777215 59]
                )
              ]
              spids: [16777215 76]
            )
            (If
              arms: [
                (if_arm
                  cond: [
                    (Sentence
                      child: 
                        (C {(Lit_Other '[')} {(DQ ($ VSub_Pound '$#'))} {(-eq)} {(0)} {(Lit_Other ']')})
                      terminator: <Op_Semi ';'>
                    )
                  ]
                  action: [
                    (C {(echo)} 
                      {
                        (DQ ($ VSub_Number '$0') (': Installing in default location - ') 
                          ($ VSub_Name '$install_loc') (' ...')
                        )
                      }
                    )
                  ]
                  spids: [16777215 94]
                )
                (if_arm
                  cond: [
                    (Sentence
                      child: 
                        (C {(Lit_Other '[')} {(KW_Bang '!')} {(-d)} {(DQ ($ VSub_Number '$1'))} 
                          {(Lit_Other ']')}
                        )
                      terminator: <Op_Semi ';'>
                    )
                  ]
                  action: [
                    (C {(echo)} 
                      {(DQ ($ VSub_Number '$0') (': ') ($ VSub_Number '$1') (" doesn't exist!!"))}
                    )
                    (Sentence
                      child: (ControlFlow token:<ControlFlow_Exit exit> arg_word:{(1)})
                      terminator: <Op_Semi ';'>
                    )
                  ]
                  spids: [107 122]
                )
              ]
              else_action: [
                (Assignment
                  keyword: Assign_None
                  pairs: [
                    (assign_pair
                      lhs: (LhsName name:install_loc)
                      op: Equal
                      rhs: {($ VSub_Number '$1')}
                      spids: [144]
                    )
                  ]
                  spids: [144]
                )
                (C {(echo)} 
                  {
                    (DQ ($ VSub_Number '$0') (': Installing in specified location - ') 
                      ($ VSub_Name '$install_loc') (' ...')
                    )
                  }
                )
              ]
              spids: [141 158]
            )
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:install_dir)
                  op: Equal
                  rhs: {($ VSub_Name '$install_loc') (/kselftest)}
                  spids: [162]
                )
              ]
              spids: [162]
            )
            (C {(mkdir)} {(-p)} {($ VSub_Name '$install_dir')})
            (SimpleCommand
              words: [{(make)} {(install)}]
              more_env: [(env_pair name:INSTALL_PATH val:{($ VSub_Name '$install_dir')} spids:[181])]
            )
          ]
          spids: [36]
        )
      spids: [32 35]
    )
    (C {(main)} {(DQ ($ VSub_At '$@'))})
  ]
)