def main():
if sys.argv[1][-2:] != "vm":
print("Error: wrong file type for input, use \".vm\" file !")
sys.exit()
inputfile = sys.argv[1]
#inputfile = "BasicTest.vm"
outputfile = inputfile[:-2] + "asm"
par = Parse(inputfile)
cw = CodeWriter(outputfile)
while par.hasMoreCommands():
par.advance()
ctype = par.cmdType()
#print(par.current_cmd)
#print(par.cmdType())
#print(par.arg1())
#print(par.arg2())
if ctype == "C_ARITHMETIC":
cw.writeArithmetic(par.arg1())
elif ctype == "C_PUSH" or ctype == "C_POP":
cw.writePushPop(ctype, par.arg1(), par.arg2())
cw.close()
#Strips .vm of the end to get the file name
temp_out=re.search('(.*[\.\/]+)(.*)(\.vm)',d)
out_file = temp_out.group(2)
#sets current file name
writer.setFileName(out_file)
#opens the input file
par = Parser(d)
#while not eof
while par.hasMoreCommands():
par.advance()
cType = par.commandType()
if arith_type in cType:
writer.writeArithmetic(par.arg_1())
elif push_type in cType:
if len(par.arg_2()) == 0:
writer.writePushPop(cType,'constant',par.arg_1())
else:
writer.writePushPop(cType,par.arg_1(),par.arg_2())
elif pop_type in cType:
if len(par.arg_2()) == 0:
writer.writePushPop(cType,'constant',par.arg_1())
else:
writer.writePushPop(cType,par.arg_1(),par.arg_2())
elif funct_type in cType:
writer.writeFunction(par.arg_1(),par.arg_2())
from parser import Parser
from codewriter import CodeWriter
import sys
import re
if __name__ == "__main__":
path = sys.argv[1]
codewriter = CodeWriter(path)
parser = Parser(path)
while parser.hasMoreCommands():
parser.advance()
print(parser.current_cmd)
cmdtype = parser.commandType()
arg1 = parser.arg1()
if cmdtype == 'C_ARITHMETIC':
codewriter.writeArithmetic(arg1)
elif cmdtype in ['C_PUSH', 'C_POP']:
arg2 = parser.arg2()
codewriter.wirtePushPop(cmdtype, arg1, arg2)
codewriter.fileToOutput()
