You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
129 lines
3.1 KiB
129 lines
3.1 KiB
#!/usr/bin/env python
|
|
|
|
from aoc import get_input # AoC
|
|
import re # regex
|
|
from copy import copy
|
|
|
|
CodeLines = get_input(8).splitlines()
|
|
print(CodeLines)
|
|
|
|
def parseCode(code):
|
|
if( code and code != "" ):
|
|
regex = r"^([a-z]{3}) ([\+\-]{1})([0-9]+)$"
|
|
op, sign, num = re.match(regex, code).groups()
|
|
|
|
return op, sign, int(num)
|
|
else:
|
|
print("INVALID CODE:", code)
|
|
return
|
|
|
|
|
|
accu = 0
|
|
line = 0
|
|
|
|
def runCode(op, sign, num, newline=line, newaccu=accu):
|
|
if( op == "nop" ):
|
|
newline += 1
|
|
elif( op == "acc" ):
|
|
if( sign == "+" ):
|
|
newaccu += num
|
|
elif( sign == "-" ):
|
|
newaccu -= num
|
|
|
|
newline += 1
|
|
elif( op == "jmp" ):
|
|
if( sign == "+" ):
|
|
newline += num
|
|
elif( sign == "-" ):
|
|
newline -= num
|
|
|
|
return newline, newaccu
|
|
|
|
|
|
def swapCode(line, codes):
|
|
op, sign, num = parseCode(codes[line])
|
|
newcode = ""
|
|
|
|
if( op == "nop" ):
|
|
newcode = f"jmp {sign}{num}"
|
|
elif( op == "jmp" ):
|
|
newcode = f"nop {sign}{num}"
|
|
else:
|
|
return codes[line]
|
|
|
|
return newcode
|
|
|
|
|
|
def runProgram(codes=CodeLines, i=0, linefix=None, linecode=None, oldline=None):
|
|
print(f"\nRunning program iter:{i}")
|
|
print(f"Codes: {codes}")
|
|
seenLines = []
|
|
codeLen = len(codes)
|
|
|
|
line = 0
|
|
accu = 0
|
|
|
|
loop = False
|
|
|
|
while True:
|
|
try:
|
|
if( not loop ):
|
|
if( line < codeLen ):
|
|
code = codes[line]
|
|
op, sign, num = parseCode(code)
|
|
|
|
newline, newaccu = runCode(op, sign, num, line, accu)
|
|
|
|
print(f"op:{op} num:{sign}{num} line:{line}/{codeLen} newline:{newline}/{codeLen} accu:{accu} newaccu:{newaccu}")
|
|
|
|
if(newline in seenLines):
|
|
print(f"REPEAT AT: line:{line} newline:{newline} newaccu:{newaccu} seenLines:{seenLines}")
|
|
|
|
if( op == "jmp" ):
|
|
loop = True
|
|
print("LOOP")
|
|
|
|
seenLines.append(newline)
|
|
accu = newaccu
|
|
line = newline
|
|
|
|
else:
|
|
print("END OF PROGRAM")
|
|
print(accu, line)
|
|
return accu, line, codeLen
|
|
else:
|
|
print("BAD LOOP")
|
|
break
|
|
except:
|
|
print(f"ERROR line:{line} maxline:{codeLen}")
|
|
print(accu)
|
|
return accu, line, codeLen
|
|
|
|
count = 0
|
|
|
|
jmpThings = dict()
|
|
|
|
for l in range(len(CodeLines)):
|
|
code = CodeLines[l]
|
|
newcodes = CodeLines
|
|
op, sign, num = parseCode(code)
|
|
|
|
if( op == "nop" or op == "jmp" ):
|
|
jmpThings[l] = (op, sign, num)
|
|
|
|
print(jmpThings) # Need to change one of these
|
|
|
|
for codeline, ins in jmpThings.items():
|
|
print("\n\n####")
|
|
newcodes = copy(CodeLines)
|
|
newcodes[codeline] = swapCode(codeline, CodeLines)
|
|
print(f"newcodes:{newcodes} | {newcodes[codeline]}")
|
|
print(f"oldcodes:{CodeLines} | {CodeLines[codeline]}")
|
|
|
|
out = runProgram(newcodes)
|
|
print(f"OUT:{out}")
|
|
if( out ):
|
|
print("############ OUT:", out)
|
|
break
|
|
else:
|
|
continue
|
|
|