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target_neon.py
53 lines (38 loc) · 1003 Bytes
/
target_neon.py
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import os
import sys
from neon import typeinfo
from neon.parser import Cursor, Parser
__author__ = 'Christopher Nelson'
def run(filename):
fp = os.open(filename, os.O_RDONLY, 0o777)
source = ""
while True:
data = os.read(fp, 4096)
if len(data) == 0:
break
source += data
os.close(fp)
c = Cursor(filename)
p = Parser()
found, node = p.type_definition(source, c)
if not found:
print("Unable to parse '%s'" % filename)
return
scope = typeinfo.new_scope()
udt = typeinfo.UserDefinedType(node)
if udt.check(scope):
print("Program type checks.")
else:
print("Program failed type checking.")
def entry_point(argv):
try:
filename = argv[1]
except IndexError:
print("You must supply a filename to execute.")
return 1
run(filename)
return 0
def target(*args):
return entry_point, None
if __name__ == "__main__":
entry_point(sys.argv)