gistfile1.txt

2 + 3 * 3 

eerst functie parse 

   tokens = lex("2+ 3 * 3] 
   tokens = [2, "+", 3 ,"*", 3] 
   
   parse1(readPrimary(), 0)

   readPrimary 

   negative = false 
   als token[0] = "-"  
        2 = "-"         False
        2 = Number      True 
                                                                       tokens = [+", 3, "*", 3]
        
        return 2 

        parse1 (2,0) 
    
        while precendence[token[0] >= minPrecedence 
        while precendence "+"  >= 0 
        while 1 >= 0     True 
           let operator = tokens.shift    
           let operator = "+"                                            tokens = [3, "*", 3]
          

            let rhs = readPrimary 
                
               readPrimary 

                  negative = false 
                  tokens[0] == "-"
                  3 = "-"  False 
                  return  3                                               tokens = ["*", 3] 



                  while precendence(tokens[0] > precendence(operator) 
                  while precendence "*"  > precendence "+"
                  while 2 > 1   True 
                     
                      rhs = parse1(rhs, precendence(operator) + 1 
                      rhs = parse1 (3, 2) 

                      parse1 

                      while precendence(token[0] >= minPrecendence 
                      while precedence("*") >= 2 
                      while 2 > = 2    True 
                         
                         let operator = token.shift() 
                         let operator = "*"                           tokens = [3]

                         let rhs = 3                                  tokens = [] 
                         while precendence[token[0] > precende(operator) 
                         while  0 > 2  False
                    
                          value = * 3 3 
                          value = 9 
                         
                      while precendence(token[0]> minPrencedence 
                      while undefined > 2  False 


                while precendence(tokens[0] > precendence(operator)
                while undefined > 2  False