def varSmToken(code,list_pt):
nameFormat=r'^[\w\.]+'
name=re.match(nameFormat,code).group()
if name=='':
raise Exception('Error! Invalid name!')
code=re.sub(nameFormat,'',code)
if code=='' or code[0]!='=':
raise Exception('Error! Every variable must be assigned by some values.')
code=code[1:]
[code,content]=conSmToken(code)
var=NetP(name)
list_pt.append(var)
var.m_text=content
return [code,var]
def SmileiToken(code,title,list_pt=None):
if list_pt==None:
list_pt=[]
point=NetP('smilei')
point.m_text=title
list_pt.append(point)
code=re.sub(r'[ \t]','',code)
code=re.sub(r'#.*\n','',code)
while code!='':
code=re.sub(r'^\n*','',code)
if code=='':
break
else:
[code,line_pt]=lineSmToken(code,list_pt)
con=NetP('in')
list_pt.append(con)
con.con(point,line_pt)
return [code,list_pt]
def lineSmToken(code,list_pt):
nameFormat=r'^[\w\.]+'
name=re.match(nameFormat,code).group()
if name=='':
raise Exception('Error! Invalid name of function or variable!')
code=re.sub(nameFormat,'',code)
line_pt=NetP(name)
list_pt.append(line_pt)
if code!='' and code[0]=='=':
code=code[1:]
[code,content]=conSmToken(code)
if content=='':
raise Exception('Error! Invalid assignment value!')
line_pt.m_text=content
elif code!='' and code[0]=='(':
code=code[1:]
code=re.sub(r'^\n*','',code)
[code,var]=varSmToken(code,list_pt)
con=NetP('in')
list_pt.append(con)
con.con(line_pt,var)
while True:
if code!='' and code[0]==',':
code=code[1:]
else:
break
code=re.sub(r'^\n*','',code)
if code!='' and code[0]==')':
break
[code,var]=varSmToken(code,list_pt)
con=NetP('in')
list_pt.append(con)
con.con(line_pt,var)
code=re.sub(r'^\n*','',code)
if code=='' or code[0]!=')':
raise Exception('Error! Unbalanced bracket!')
code=code[1:]
return [code,line_pt]