class Processor(object):
def __init__(self, filename=None):
self.parser=None
self.program=None
self.filename=filename
self.inheritedPartitions={}
if filename is not None:
self.loadFromFile(filename)
def loadFromFile(self,filename):
self.parser=ProgramParser(filename)
#Strip any path information
name=filename[filename.rfind("\\")+1:] if "\\" in filename else filename
self.program=Program(self.parser.tokens,name)
path=filename[:filename.rfind("\\")+1]
gen=self.program.populate()
try:
typ,val=gen.next()
while True:
try:
if typ=='imp':
self.__import([path+v for v in val])
typ,val=gen.next()
elif typ=='inp':
gen.send(self.__getPartition(val))
else:
raise SemanticException('Unknown request %s'%typ)
except SemanticException, ex:
gen.throw(ex)
except StopIteration: pass
def __import(self,imp):
for impItem in imp:
filename=impItem+'.stdll'
parser=LibraryParser(filename)
self.__populateLibrary(parser.tokens,impItem)
def __populateLibrary(self,tokens,name):
assert isinstance (name,str)
library=Library(tokens,name[name.rfind("\\")+1:])
path=name[:name.rfind("\\")+1]
gen=library.populate()
try:
typ,val=gen.next()
while True:
try:
if typ=='imp':
self.__import([path+v for v in val])
typ,val=gen.next()
elif typ=='inp':
typ,val=gen.send(self.__getPartition(val))
else:
raise SemanticException('Unknown request %s\n'%typ)
except SemanticException, ex:
gen.throw(ex)
except StopIteration: pass
self.inheritedPartitions.update(library.inheritedPartitions)
def __getPartition(self,partition):
dic=self.inheritedPartitions
for r in partition:
if r in dic:
dic=dic[r]
else:
raise SemanticException('Partition %s not found\n'%'.'.join(partition))
return dic
def getCode(self,out):
try:
if not out:
if self.filename.endswith('.stdl'):
out=self.filename[:-5]
else: out=self.filename
ext,code=self.program.getCode()
out+=ext
with open(out,'w') as f:
f.write(code)
return ('Produced file: %s\nOK.\n'%out)
except IOError, ioe:
return str(ioe)
