def equationToken(string,list_pt=None):
sign=None
equation=None
equal=None
if list_pt==None:
list_pt=[]
if string[0]=='-':
sign=NetP('-')
list_pt.append(sign)
string=string[1:]
[formula,string,list_pt]=formulaToken(string,list_pt)
equation=formula
if sign!=None:
sign.con(None,formula)
if string=='':
return [equation,string,list_pt]
elif string[0]=='=':
equal=NetP('=')
list_pt.append(equal)
string=string[1:]
[point,string,list_pt]=equationToken(string,list_pt)
equal.con(equation,point)
if string=='':
return [equation,string,list_pt]
raise Exception('Error: wrong equation format!')
def formulaToken(string,list_pt):
[formula,string,list_pt]=variableToken(string,list_pt)
if string=='':
return [formula,string,list_pt]
elif string[0]=='+' or string[0]=='-' or string[0]=='*' or string[0]=='/' or string[0]=='^':
relation=NetP(string[0])
list_pt.append(relation)
string=string[1:]
[point,string,list_pt]=formulaToken(string,list_pt)
relation.con(formula,point)
return [formula,string,list_pt]
def inputToken(string,list_pt):
[inputs,string,list_pt]=formulaToken(string,list_pt)
last=inputs
while string!='' and string[0]==',':
relation=NetP('and')
list_pt.append(relation)
string=string[1:]
[point,string,list_pt]=formulaToken(string,list_pt)
relation.con(last,point)
last=point
return [inputs,string,list_pt]
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 register(self,dev_pt,mode=2):
if dev_pt.m_dev==None:
return
else:
device=dev_pt.m_dev
if mode==0 or mode==2:
if device not in self.m_outDev:
self.m_outDev.append(device)
device.m_inPool=self
con=NetP('output')
con.con(self.m_self,dev_pt)
# self.m_sysPool.append(con)
if mode==1 or mode==2:
if device not in self.m_inDev:
self.m_inDev.append(device)
device.m_outPool=self
con=NetP('input')
con.con(self.m_self,dev_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]
def variableToken(string,list_pt):
variable_name=''
variable=None
if string=='':
raise Exception('Error: empty variable.')
elif string[0]=='(':
sign=None
variable=NetP('括号')
list_pt.append(variable)
relation=NetP('in')
list_pt.append(relation)
string=string[1:]
if string[0]=='-':
sign=NetP('-')
list_pt.append(sign)
[point,string,list_pt]=formulaToken(string,list_pt)
relation.con(variable,point)
if sign!=None:
sign.con(None,point)
if string=='' or string[0]!=')':
raise Exception('Error: unbalanced bracket!')
else:
string=string[1:]
elif string[0].isdigit():
while True:
if string!='' and string[0].isdigit():
variable_name+=string[0]
string=string[1:]
else:
break
variable=NetP(variable_name)
list_pt.append(variable)
elif string[0].isalpha():
while True:
if string=='':
break
elif string[0].isdigit() or string[0].isalpha():
variable_name+=string[0]
string=string[1:]
else:
break
variable=NetP(variable_name)
list_pt.append(variable)
if string!='' and string[0]=='(':
relation=NetP('in')
list_pt.append(relation)
string=string[1:]
[inputs,string,list_pt]=inputToken(string,list_pt)
relation.con(variable,inputs)
if string=='' or string[0]!=')':
raise Exception('Error: unbalanced brackets.')
else:
string=string[1:]
return [variable,string,list_pt]