def test_parser(expr):
parser = parser2.Parser() # tree type is parser wrapper
parser.lex.newtext(expr) # subtrees evaluate when clicked
tree = parser.analyse() # input line parses new expr
entry.delete(0, END) # vars set in wrapper dictionary
entry.insert(0, expr) # see lang/text chapter for parser
if tree: viewer.drawTree(tree)
def _testNodes(self, index, EX, NODES):
try:
nodes = None
parser = parser2.Parser()
nodes = parser.parse('EX'+str(index), EX)
self.failUnlessEqual(nodes, NODES)
except:
print "EXAMPLE #%s" % index
print "EX:"
print EX
print "RESULT:", nodes
print "EXPECT:", NODES
raise
def onInputLine(self, line, viewer): # on input line
p = parser2.Parser() # parse expr text
p.lex.newtext(line) # draw resulting tree
t = p.analyse()
if t: viewer.drawTree(t)
raise CodeGenError(tree)
def write_pyc_file(code, name):
pyc_file = name + '.pyc'
print pyc_file
with open(pyc_file,'wb') as pyc_f:
magic = 0x03f30d0a
pyc_f.write(struct.pack(">L",magic))
pyc_f.write(struct.pack(">L",time.time()))
marshal.dump(code.func_code, pyc_f)
if __name__ == '__main__':
f = open(sys.argv[1])
expr = f.read()
f.close()
s = scanner.Scanner(expr)
tokens = s.scan()
p = parser.Parser(tokens)
tree = p.parse()
print tree
cg = CodeGen(tree)
code = cg.generate()
name = sys.argv[1].split('.')
write_pyc_file(code, name[0])