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2swap.py
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2swap.py
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# By VilgotanL
import math
import sys
import os
lines = []
try:
fileName = sys.argv[1]
file = open(fileName)
lines = file.read().split("\n")
file.close()
except Exception as e:
print(f"Error while opening file:\n{e}")
sys.exit(0)
registers = [0, 0]
lineNum = 0
def err(str):
print("\n" + str + f" (at line {lineNum+1})")
sys.exit(0)
while lineNum < len(lines) and lineNum >= 0:
line = lines[lineNum]
prevLineNum = lineNum
for i in range(0, len(line)):
if line[i] == "*":
registers = [registers[1] + 1, registers[0]]
elif line[i] == "-":
if registers[0] > 0:
registers[0] -= 1;
else:
str1 = ""
for char in line[(i+1):]:
if char.isdigit():
str1 += char
else:
break
n = 0
try:
n = int(str1)
except:
err("Invalid integer after - with current counter at 0")
lineNum = n - 2 #-2 because we're incrementing at the end and again because 2Swap uses line numbers starting at 1
break #stop loop for this line
print("AFTER LINE " + str(prevLineNum+1) + ", registers: " + str(registers))
lineNum += 1