Talk:Quiney

Working on an interpreter.

Should be ready by the evening, there's some bugginess with loops. 50.161.94.113 17:08, 23 January 2016 (UTC)

...Do not ever trust my time estimates. Here you go:

#Quiney interpreter By this person
program=list(input("Quiney program:")+" ")
instructions=[" ","[","+",".","}","{",",","-","]","*"]
pc=-1;dp=0
while pc+1<len(program):
   pc+=1
   if False: #debug
       print("\nDebug")
       print("".join(program))
       print((" "*pc)+"^")
       print((" "*dp)+"^")
       print("Output")
   if program[pc]=="[":
       if program[dp]==" ":
           nest=0
           while not (nest==0 and program[pc]!="["):
               if program[pc]=="[":
                   nest+=1
               if program[pc]=="]":
                   nest-=1
               pc+=1
               if pc>len(program):
                   pc=100000000
                   print("end")
                   break
           pc-=1
           continue
   if program[pc]=="]":
       if not program[dp]==" ":
           nest=0
           while not (nest==0 and program[pc]!="]"):
               if program[pc]=="[":
                   nest+=1
               if program[pc]=="]":
                   nest-=1
               pc-=1
               if pc<-1:
                   pc=100000000 #bad way of saying "shut up and terminate"
                   print("end")
                   break
           pc+=1
           continue
   if program[pc]=="+":
       program[dp]=instructions[(instructions.index(program[dp])+1)%10]
       continue
   if program[pc]=="-":
       program[dp]=instructions[(instructions.index(program[dp])-1)%10]
       continue
   if program[pc]==".":
       print(program[dp],end="")
   if program[pc]==",":
       program[dp]=input("")
   if program[pc]=="{":
       dp-=1
   if program[pc]=="}":
       dp+=1
   if dp==-1:
       program.insert(0," ")
       dp+=1
       pc+=1
   if dp==len(program):
       program.append(" ")
   if program[pc]=="*":
      program[dp]=instructions[10-instructions.index(program[dp])%10]

Run in python 3, then ...um 50.161.94.113 17:08, 23 January 2016 (UTC)