ROOT (token: short_text [lag_newlines/spaces] {pos_id})                    
 ¦--expr: call( [0/0] {1}                                                  
 ¦   ¦--expr: call [0/0] {3}                                               
 ¦   ¦   °--SYMBOL_FUNCTION_CALL: call [0/0] {2}                           
 ¦   ¦--'(': ( [0/0] {4}                                                   
 ¦   ¦--SYMBOL_SUB: a [0/1] {5}                                            
 ¦   ¦--EQ_SUB: = [0/7] {6}                                                
 ¦   ¦--expr: 5 [1/0] {8}                                                  
 ¦   ¦   °--NUM_CONST: 5 [0/0] {7}                                         
 ¦   ¦--',': , [0/5] {9}                                                   
 ¦   ¦--expr: b [1/0] {11}                                                 
 ¦   ¦   °--SYMBOL: b [0/0] {10}                                           
 ¦   °--')': ) [0/0] {12}                                                  
 ¦--expr: call( [2/0] {13}                                                 
 ¦   ¦--expr: call [0/0] {15}                                              
 ¦   ¦   °--SYMBOL_FUNCTION_CALL: call [0/0] {14}                          
 ¦   ¦--'(': ( [0/0] {16}                                                  
 ¦   ¦--SYMBOL_SUB: a [0/1] {17}                                           
 ¦   ¦--EQ_SUB: = [0/7] {18}                                               
 ¦   ¦--expr: 5 [1/0] {20}                                                 
 ¦   ¦   °--NUM_CONST: 5 [0/0] {19}                                        
 ¦   ¦--',': , [0/5] {21}                                                  
 ¦   ¦--expr: b [1/5] {23}                                                 
 ¦   ¦   °--SYMBOL: b [0/0] {22}                                           
 ¦   °--')': ) [1/0] {24}                                                  
 ¦--COMMENT: # mul [2/0] {25}                                              
 ¦--expr: {
  v [1/0] {26}                                                
 ¦   ¦--'{': { [0/2] {27}                                                  
 ¦   ¦--expr: v <-  [1/0] {28}                                             
 ¦   ¦   ¦--expr: v [0/1] {30}                                             
 ¦   ¦   ¦   °--SYMBOL: v [0/0] {29}                                       
 ¦   ¦   ¦--LEFT_ASSIGN: <- [0/1] {31}                                     
 ¦   ¦   °--expr: funct [0/0] {32}                                         
 ¦   ¦       ¦--FUNCTION: funct [0/0] {33}                                 
 ¦   ¦       ¦--'(': ( [0/0] {34}                                          
 ¦   ¦       ¦--SYMBOL_FORMALS: x [0/1] {35}                               
 ¦   ¦       ¦--EQ_FORMALS: = [0/2] {36}                                   
 ¦   ¦       ¦--expr: 122 [1/0] {38}                                       
 ¦   ¦       ¦   °--NUM_CONST: 122 [0/0] {37}                              
 ¦   ¦       ¦--',': , [0/2] {39}                                          
 ¦   ¦       ¦--SYMBOL_FORMALS: y [1/0] {40}                               
 ¦   ¦       ¦--')': ) [0/1] {41}                                          
 ¦   ¦       °--expr: {
    [0/0] {42}                                    
 ¦   ¦           ¦--'{': { [0/7] {43}                                      
 ¦   ¦           °--'}': } [1/0] {44}                                      
 ¦   °--'}': } [1/0] {45}                                                  
 ¦--expr: {
    [3/0] {46}                                                
 ¦   ¦--'{': { [0/8] {47}                                                  
 ¦   ¦--expr: v <-  [1/0] {48}                                             
 ¦   ¦   ¦--expr: v [0/1] {50}                                             
 ¦   ¦   ¦   °--SYMBOL: v [0/0] {49}                                       
 ¦   ¦   ¦--LEFT_ASSIGN: <- [0/1] {51}                                     
 ¦   ¦   °--expr: funct [0/0] {52}                                         
 ¦   ¦       ¦--FUNCTION: funct [0/0] {53}                                 
 ¦   ¦       ¦--'(': ( [0/0] {54}                                          
 ¦   ¦       ¦--SYMBOL_FORMALS: x [0/1] {55}                               
 ¦   ¦       ¦--EQ_FORMALS: = [0/1] {56}                                   
 ¦   ¦       ¦--expr: 122 [0/0] {58}                                       
 ¦   ¦       ¦   °--NUM_CONST: 122 [0/0] {57}                              
 ¦   ¦       ¦--',': , [0/22] {59}                                         
 ¦   ¦       ¦--SYMBOL_FORMALS: y [1/0] {60}                               
 ¦   ¦       ¦--')': ) [0/1] {61}                                          
 ¦   ¦       °--expr: {
    [0/0] {62}                                    
 ¦   ¦           ¦--'{': { [0/8] {63}                                      
 ¦   ¦           °--'}': } [1/0] {64}                                      
 ¦   °--'}': } [1/0] {65}                                                  
 °--expr: MyCla [2/0] {66}                                                 
     ¦--expr: MyCla [0/1] {68}                                             
     ¦   °--SYMBOL: MyCla [0/0] {67}                                       
     ¦--LEFT_ASSIGN: <- [0/1] {69}                                         
     °--expr: R6::R [0/0] {70}                                             
         ¦--expr: R6::R [0/0] {71}                                         
         ¦   ¦--SYMBOL_PACKAGE: R6 [0/0] {72}                              
         ¦   ¦--NS_GET: :: [0/0] {73}                                      
         ¦   °--SYMBOL_FUNCTION_CALL: R6Cla [0/0] {74}                     
         ¦--'(': ( [0/8] {75}                                              
         ¦--expr: "MyCl [1/0] {77}                                         
         ¦   °--STR_CONST: "MyCl [0/0] {76}                                
         ¦--',': , [0/8] {78}                                              
         ¦--SYMBOL_SUB: publi [1/1] {79}                                   
         ¦--EQ_SUB: = [0/1] {80}                                           
         ¦--expr: list( [0/0] {81}                                         
         ¦   ¦--expr: list [0/0] {83}                                      
         ¦   ¦   °--SYMBOL_FUNCTION_CALL: list [0/0] {82}                  
         ¦   ¦--'(': ( [0/0] {84}                                          
         ¦   ¦--SYMBOL_SUB: initi [0/1] {85}                               
         ¦   ¦--EQ_SUB: = [0/1] {86}                                       
         ¦   ¦--expr: funct [0/8] {87}                                     
         ¦   ¦   ¦--FUNCTION: funct [0/0] {88}                             
         ¦   ¦   ¦--'(': ( [0/0] {89}                                      
         ¦   ¦   ¦--SYMBOL_FORMALS: my_ar [0/0] {90}                       
         ¦   ¦   ¦--',': , [0/44] {91}                                     
         ¦   ¦   ¦--SYMBOL_FORMALS: my_na [1/1] {92}                       
         ¦   ¦   ¦--EQ_FORMALS: = [0/1] {93}                               
         ¦   ¦   ¦--expr: 1 [0/0] {95}                                     
         ¦   ¦   ¦   °--NUM_CONST: 1 [0/0] {94}                            
         ¦   ¦   ¦--')': ) [0/1] {96}                                      
         ¦   ¦   °--expr: {
    [0/0] {97}                                
         ¦   ¦       ¦--'{': { [0/16] {98}                                 
         ¦   ¦       ¦--expr: retur [1/8] {99}                             
         ¦   ¦       ¦   ¦--expr: retur [0/0] {101}                        
         ¦   ¦       ¦   ¦   °--SYMBOL_FUNCTION_CALL: retur [0/0] {100}    
         ¦   ¦       ¦   ¦--'(': ( [0/0] {102}                             
         ¦   ¦       ¦   ¦--expr: invis [0/0] {103}                        
         ¦   ¦       ¦   ¦   ¦--expr: invis [0/0] {105}                    
         ¦   ¦       ¦   ¦   ¦   °--SYMBOL_FUNCTION_CALL: invis [0/0] {104}
         ¦   ¦       ¦   ¦   ¦--'(': ( [0/0] {106}                         
         ¦   ¦       ¦   ¦   °--')': ) [0/0] {107}                         
         ¦   ¦       ¦   °--')': ) [0/0] {108}                             
         ¦   ¦       °--'}': } [1/0] {109}                                 
         ¦   °--')': ) [1/0] {110}                                         
         ¦--',': , [0/0] {111}                                             
         °--')': ) [1/0] {112}                                             
