def Addmultiply_divideNode(parent, table): #添加<乘除运算符>节点
global treeid
treeid = treeid + 1
child = Node('<乘除运算符>', treeid)
parent.AddChild(child)
t = Tree(parent.treeid, parent.Name, child.treeid,
'<Multiplication and division operators>')
treelist.append(t)
if MYSYM[p] == Operation['*']:
treeid = treeid + 1
child.AddChild(Node('*', treeid))
t = Tree(child.treeid, child.Name, treeid, '*')
treelist.append(t)
GoNext()
elif MYSYM[p] == Operation['/']:
treeid = treeid + 1
child.AddChild(Node('/', treeid))
t = Tree(child.treeid, child.Name, treeid, '/')
treelist.append(t)
GoNext()
else:
print(Location[p], "只能是*或/运算符")
global Error
Error = 1
def AddConstNode(parent, table): # <常量说明部分>
global treeid # 分析树的标识符
treeid = treeid + 1
child = Node('<常量说明部分>', treeid)
parent.AddChild(child)
# 添加树节点
t = Tree(parent.treeid, parent.Name, treeid, '<Description of constants>')
treelist.append(t)
# <常量说明部分> -> const
treeid = treeid + 1
child.AddChild(Node('const', treeid))
t = Tree(child.treeid, child.Name, treeid, 'const')
treelist.append(t)
GoNext()
# 添加 <常量定义>
AddDefine_constNode(child, table)
while MYSYM[p] == Border[',']:
# 添加,
treeid = treeid + 1
child.AddChild(Node(',', treeid))
t = Tree(child.treeid, child.Name, treeid, ',')
treelist.append(t)
GoNext()
AddDefine_constNode(child, table)
if MYSYM[p] == Border[';']:
treeid = treeid + 1
child.AddChild(Node(';', treeid))
t = Tree(child.treeid, child.Name, treeid, ';')
treelist.append(t)
GoNext()
else:
print("缺少分号")
global Error
Error = 1
def AddexpNode(parent, table): #添加<表达式>节点
global treeid
treeid = treeid + 1
child = Node('<表达式>', treeid)
parent.AddChild(child)
t = Tree(parent.treeid, parent.Name, child.treeid, '<expression>')
treelist.append(t)
if MYSYM[p] == Operation['+']:
treeid = treeid + 1
child.AddChild(Node('+', treeid))
t = Tree(child.treeid, child.Name, treeid, '+')
treelist.append(t)
GoNext()
AdditemNode(child, table)
elif MYSYM[p] == Operation['-']:
treeid = treeid + 1
child.AddChild(Node('-', treeid))
t = Tree(child.treeid, child.Name, treeid, '-')
treelist.append(t)
GoNext()
AdditemNode(child, table)
code.append(PCode('LIT', 0, -1))
code.append(PCode('OPR', 0, Operation['*'])) #如果是-号做取负运算
else:
AdditemNode(child, table)
while MYSYM[p] == Operation['+'] or MYSYM[p] == Operation['-']:
# print('符号',MYSYM[p])
opr = MYSYM[p] - 8 #!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!opr应该是2
AddAdd_subtractNode(child, table)
AdditemNode(child, table)
code.append(PCode('OPR', 0, opr))
def AddAdd_subtractNode(parent, table): #添加<加减运算符>节点
global treeid
treeid = treeid + 1
child = Node('<加减运算符>', treeid)
parent.AddChild(child)
t = Tree(parent.treeid, parent.Name, child.treeid,
'<Add and subtract operators>')
treelist.append(t)
if MYSYM[p] == Operation['+']:
treeid = treeid + 1
child.AddChild(Node('+', treeid))
t = Tree(child.treeid, child.Name, treeid, '+')
treelist.append(t)
GoNext()
elif MYSYM[p] == Operation['-']:
treeid = treeid + 1
child.AddChild(Node('-', treeid))
t = Tree(child.treeid, child.Name, treeid, '-')
treelist.append(t)
GoNext()
else:
print(Location[p], "只能是+或—运算符")
global Error
Error = 1
def AddComplexNode(parent, table): #添加<复合语句>节点
global treeid
treeid = treeid + 1
child = Node('<复合语句>', treeid)
parent.AddChild(child)
t = Tree(parent.treeid, parent.Name, child.treeid, '<Compound statement>')
treelist.append(t)
if MYSYM[p] == Key['begin']:
treeid = treeid + 1
child.AddChild(Node('begin', treeid))
t = Tree(child.treeid, child.Name, treeid, 'begin')
treelist.append(t)
GoNext()
AddStatementNode(child, table)
while MYSYM[p] == Border[';'] or MYSYM[p] == ident or MYSYM[p] == Key[
'if'] or MYSYM[p] == Key['begin'] or MYSYM[p] == Operation[
'read'] or MYSYM[p] == Operation['write'] or MYSYM[
p] == Key['call']:
if MYSYM[p] == Border[';']:
treeid = treeid + 1
child.AddChild(Node(';', treeid))
t = Tree(child.treeid, child.Name, treeid, ';')
treelist.append(t)
GoNext()
AddStatementNode(child, table)
else:
print(Location[p], "行末缺少分号")
global Error
Error = 1
treeid = treeid + 1
child.AddChild(Node(';', treeid))
t = Tree(child.treeid, child.Name, treeid, ';')
treelist.append(t)
AddStatementNode(child, table)
if MYSYM[p] == Key['end']:
treeid = treeid + 1
child.AddChild(Node('end', treeid))
t = Tree(child.treeid, child.Name, treeid, 'end')
treelist.append(t)
GoNext()
else:
print(Location[p], "begin后面缺少end")
Error = 1
else:
print(Location[p], "递归错误!")
error()
def AddWriteNode(parent, table): #添加<WRITE>节点
global treeid
treeid = treeid + 1
child = Node('<写语句>', treeid)
parent.AddChild(child)
t = Tree(parent.treeid, parent.Name, child.treeid, '<Written statement>')
treelist.append(t)
if MYSYM[p] == Operation['write']:
treeid = treeid + 1
child.AddChild(Node('write', treeid))
t = Tree(child.treeid, child.Name, treeid, 'write')
treelist.append(t)
GoNext()
if MYSYM[p] == Border['(']:
treeid = treeid + 1
child.AddChild(Node('(', treeid))
t = Tree(child.treeid, child.Name, treeid, '(')
treelist.append(t)
GoNext()
AddexpNode(child, table)
code.append(PCode('OPR', 0, Operation['write'] - 8))
while MYSYM[p] == Border[',']:
treeid = treeid + 1
child.AddChild(Node(',', treeid))
t = Tree(child.treeid, child.Name, treeid, ',')
treelist.append(t)
GoNext()
AddexpNode(child, table)
code.append(PCode('OPR', 0, Operation['write']))
if MYSYM[p] == Border[')']:
treeid = treeid + 1
child.AddChild(Node(')', treeid))
t = Tree(child.treeid, child.Name, treeid, ')')
treelist.append(t)
GoNext()
else:
print(Location[p], "缺少右括号")
global Error
Error = 1
else:
print(Location[p], "write后缺少括号")
Error = 1
else:
print(Location[p], "递归错误")
error()
def AddVarNode(parent, table): #<变量说明部分>
global Error, treeid
treeid = treeid + 1
child = Node('<变量说明部分>', treeid)
parent.AddChild(child)
t = Tree(parent.treeid, parent.Name, treeid, '<Variable description>')
treelist.append(t)
treeid = treeid + 1
child.AddChild(Node('var', treeid))
t = Tree(child.treeid, child.Name, treeid, 'var')
treelist.append(t)
GoNext()
if MYSYM[p] != ident:
print(Location[p], "变量类型定义错误，只能是ident")
Error = 1
name = AddIdentNode(child, table)
entry = Entry(name, KIND.VARIABLE)
t = table.add(entry)
if t == 1:
print(Location[p], entry.name + ' 重定义')
Error = 1
GoNext()
while MYSYM[p] == Border[',']:
treeid = treeid + 1
child.AddChild(Node(',', treeid))
t = Tree(child.treeid, child.Name, treeid, ',')
treelist.append(t)
GoNext()
if MYSYM[p] != ident:
print(Location[p], "变量类型定义错误，只能是ident")
Error = 1
name = AddIdentNode(child, table)
entry = Entry(name, KIND.VARIABLE)
t = table.add(entry)
if t == 1:
print(Location[p], entry.name + ' 重定义')
Error = 1
GoNext()
if MYSYM[p] == Border[';']:
treeid = treeid + 1
child.AddChild(Node(';', treeid))
t = Tree(child.treeid, child.Name, treeid, ';')
treelist.append(t)
GoNext()
else:
print(Location[p], "行末缺少分号")
Error = 1
def AddDefine_constNode(parent, table): #<常量定义>
global Error, treeid
treeid = treeid + 1
child = Node('<常量定义>', treeid)
parent.AddChild(child)
t = Tree(parent.treeid, parent.Name, treeid, '<Constants defined>')
treelist.append(t)
if MYSYM[p] != ident: # const 后面需要跟着标识符
print("<常量定义>错误，缺少标识符")
exit(-1)
name = AddIdentNode(child, table) # 添加<标识符>节点
GoNext()
if MYSYM[p] != Operation[':=']: # 标识符后面需要跟着 :=
print(Location[p], "缺少赋值符号")
exit(-1)
treeid = treeid + 1
child.AddChild(Node(':=', treeid))
t = Tree(child.treeid, child.Name, treeid, ':=')
treelist.append(t)
GoNext()
if MYSYM[p] != number: # := 后面需要跟着 <常数>节点
print(Location[p], "常量赋值错误，只能用常数赋值")
Error = 1
val = AddUnintNode(child, table) # 添加<常数>节点
GoNext()
entry = Entry(name, KIND.CONSTANT, val) # 新增常量或者变量的时候需要在字符表中新增一条目录
t = table.add(entry) # 目录entry添加到字符表的时候需要进行判断是否重定义
if t == 1:
print(Location[p], entry.name + ' 重定义')
Error = 1
def AddConditionNode(parent, table): #添加<条件>节点
global treeid
treeid = treeid + 1
child = Node('<条件表达式>', treeid)
parent.AddChild(child)
t = Tree(parent.treeid, parent.Name, child.treeid,
'<Conditional expression>')
treelist.append(t)
parent.AddChild(child)
if MYSYM[p] == Operation['+'] or MYSYM[p] == Operation['-'] or MYSYM[
p] == ident or MYSYM[p] == number or MYSYM[p] == Border['(']:
AddexpNode(child, table)
opr = AddRelationNode(child, table)
AddexpNode(child, table)
code.append(PCode('OPR', 0, opr - 7))
elif MYSYM[p] == Operation['odd']:
treeid = treeid + 1
child.AddChild(Node('odd', treeid))
t = Tree(child.treeid, child.Name, treeid, 'odd')
treelist.append(t)
GoNext()
AddexpNode(child, table)
code.append(PCode('OPR', 0, Operation['odd']))
else:
print(Location[p], "无法识别的条件判断")
global Error
Error = 1
def AddfactorNode(parent, table): # 添加<因子>节点
global Error, treeid
treeid = treeid + 1
child = Node('<因子>', treeid)
parent.AddChild(child)
t = Tree(parent.treeid, parent.Name, child.treeid, '<factor>')
treelist.append(t)
if MYSYM[p] == ident:
name = AddIdentNode(child, table)
GoNext()
(l, a, flag) = table.find(name)
if a == 0: #####################################################3#3 a=Node
print(Location[p], '错误，未定义的标识符', name)
Error = 1
if flag == isConst: #常量
code.append(PCode('LIT', 0, a))
else: #变量
code.append(PCode('LOD', l, a))
elif MYSYM[p] == number:
val = AddUnintNode(child, table)
GoNext()
code.append(PCode('LIT', 0, val))
elif MYSYM[p] == Border['(']:
treeid = treeid + 1
child.AddChild(Node('(', treeid))
t = Tree(child.treeid, child.Name, treeid, '(')
treelist.append(t)
GoNext()
AddexpNode(child, table)
if MYSYM[p] == Border[')']:
treeid = treeid + 1
child.AddChild(Node(')', treeid))
t = Tree(child.treeid, child.Name, treeid, ')')
treelist.append(t)
GoNext()
else:
print(Location[p], '缺少右括号)')
Error = 1
else:
print(Location[p], "缺少括号")
Error = 1
def AddIfNode(parent, table): #添加<条件语句>节点
global treeid
treeid = treeid + 1
child = Node('<条件语句>', treeid)
parent.AddChild(child)
t = Tree(parent.treeid, parent.Name, child.treeid,
'<Conditional statements>')
treelist.append(t)
if MYSYM[p] == Key['if']:
treeid = treeid + 1
child.AddChild(Node('if', treeid))
t = Tree(child.treeid, child.Name, treeid, 'if')
treelist.append(t)
GoNext()
AddConditionNode(child, table)
ret = PCode('JPC', 0, None)
code.append(ret)
if MYSYM[p] != Key['then']:
treeid = treeid + 1
child.AddChild(Node('then', treeid))
t = Tree(child.treeid, child.Name, treeid, 'then')
treelist.append(t)
child.AddChild(Node('then'))
AddStatementNode(child, table)
ret.a = len(code)
print(Location[p], "缺少then")
global Error
Error = 1
else:
treeid = treeid + 1
child.AddChild(Node('then', treeid))
t = Tree(child.treeid, child.Name, treeid, 'then')
treelist.append(t)
GoNext()
AddStatementNode(child, table)
ret.a = len(code)
# while :
else:
print(Location[p], "递归错误")
Error = 1
def AddWhileNode(parent, table): # 添加<WHILE型循环语句>节点
global treeid
treeid = treeid + 1
child = Node('<当型循环语句>', treeid)
parent.AddChild(child)
t = Tree(parent.treeid, parent.Name, child.treeid,
'<While type loop statement>')
treelist.append(t)
if MYSYM[p] == Key['while']:
treeid = treeid + 1
child.AddChild(Node('while', treeid))
t = Tree(child.treeid, child.Name, treeid, 'while')
treelist.append(t)
GoNext()
ret = len(code)
AddConditionNode(child, table)
fret = PCode('JPC', 0, None)
code.append(fret)
if MYSYM[p] == Key['do']:
treeid = treeid + 1
child.AddChild(Node('do', treeid))
t = Tree(child.treeid, child.Name, treeid, 'do')
treelist.append(t)
GoNext()
AddStatementNode(child, table)
code.append(PCode('JMP', 0, ret))
fret.a = len(code)
else:
print(Location[p], "while后面缺少do")
global Error
Error = 1
else:
print(Location[p], "递归错误")
error()
def AddRelationNode(parent, table): #添加<关系运算符>节点
global treeid
treeid = treeid + 1
child = Node('<关系运算符>', treeid)
parent.AddChild(child)
t = Tree(parent.treeid, parent.Name, child.treeid, '<Relational operator>')
treelist.append(t)
if MYSYM[p] == Operation['='] or MYSYM[p] == Operation['<>'] or MYSYM[
p] == Operation['<'] or MYSYM[p] == Operation['<='] or MYSYM[
p] == Operation['>'] or MYSYM[p] == Operation['>=']:
opr = MYSYM[p]
treeid = treeid + 1
child.AddChild(
Node(
list(Operation.keys())[list(Operation.values()).index(
MYSYM[p])], treeid))
if list(Operation.keys())[list(Operation.values()).index(
MYSYM[p])] == '=':
s = '='
if list(Operation.keys())[list(Operation.values()).index(
MYSYM[p])] == '<>':
s = '<>'
if list(Operation.keys())[list(Operation.values()).index(
MYSYM[p])] == '<':
s = '<'
if list(Operation.keys())[list(Operation.values()).index(
MYSYM[p])] == '<=':
s = '<='
if list(Operation.keys())[list(Operation.values()).index(
MYSYM[p])] == '>':
s = '>'
if list(Operation.keys())[list(Operation.values()).index(
MYSYM[p])] == '>=':
s = '>='
t = Tree(child.treeid, child.Name, treeid, s)
treelist.append(t)
GoNext()
return opr
else:
print(Location[p], "不存在的关系运算符")
global Error
Error = 1
def AddUnintNode(parent, table): # 添加<常数>节点,返回常数的值 eg <常数>->10 return 10
global ChangShuId, treeid
treeid = treeid + 1
child = Node('<数字>', treeid)
parent.AddChild(child)
t = Tree(parent.treeid, parent.Name, child.treeid, '<digital>')
treelist.append(t)
val = MYNUM[ChangShuId]
treeid = treeid + 1
child.AddChild(Node(str(val), treeid))
t = Tree(child.treeid, child.Name, treeid, str(val))
treelist.append(t)
ChangShuId += 1
return val
def AddIdentNode(parent, table): # 添加<标识符>节点,返回标识符的值 eg <标识符>->a return a
global IndetId, treeid
treeid = treeid + 1
child = Node('<标识符>', treeid)
parent.AddChild(child)
t = Tree(parent.treeid, parent.Name, child.treeid, '<identifier>')
treelist.append(t)
name = MYID[IndetId]
treeid = treeid + 1
child.AddChild(Node(name, treeid))
t = Tree(child.treeid, child.Name, treeid, name)
treelist.append(t)
IndetId += 1
return name
def AddGiveValueNode(parent, table): #添加<赋值语句>节点
global Error, treeid
if MYSYM[p] == ident:
treeid = treeid + 1
child = Node('<赋值语句>', treeid)
parent.AddChild(child)
t = Tree(parent.treeid, parent.Name, child.treeid,
'<Assignment statement>')
treelist.append(t)
name = AddIdentNode(child, table)
GoNext()
if MYSYM[p] != Operation[':=']:
print(Location[p], "赋值号错误！")
Error = 1
treeid = treeid + 1
child.AddChild(Node(':=', treeid))
t = Tree(child.treeid, child.Name, treeid, ':=')
treelist.append(t)
GoNext()
AddexpNode(child, table)
(l, a, flag) = table.find(name)
if a == 0:
print(Location[p], '未定义的标识符', name)
exit(-1)
if flag == 0:
print(Location[p], '对常量的非法赋值:' + name)
exit(-1)
if flag == 2:
print(Location[p], '对函数名的非法赋值:' + name)
exit(-1)
if flag == 1:
code.append(PCode('STO', l, a))
else:
print(Location[p], '递归错误')
error()
def AddprocedureNode(parent, table): #<过程说明部分>
global treeid
treeid = treeid + 1
child = Node('<过程说明部分>', treeid)
parent.AddChild(child)
t = Tree(parent.treeid, parent.Name, treeid, '<Process description>')
treelist.append(t)
(childTable, entry, table) = AddprocedureHeadNode(child, table)
tableList.append(table)
tableList.append(childTable)
AddSonProgramNode(child, childTable, entry)
#table.entries[name].adr=len(code)
while MYSYM[p] == Border[';']:
treeid = treeid + 1
child.AddChild(Node(';', treeid))
t = Tree(child.treeid, child.Name, treeid, ';')
treelist.append(t)
GoNext()
if MYSYM[p] == Key['procedure']:
AddprocedureNode(child, table)
else:
error()
def AddprocedureHeadNode(parent, table): #<过程首部>!!!!!!!!!!!!!!!!!!!!!!!!!!!1
global Error, treeid
if MYSYM[p] == Key['procedure']:
treeid = treeid + 1
child = Node('<过程首部>', treeid)
parent.AddChild(child)
t = Tree(parent.treeid, parent.Name, treeid, '<The process first>')
treelist.append(t)
treeid = treeid + 1
child.AddChild(Node('procedure', treeid))
t = Tree(child.treeid, child.Name, treeid, 'procedure')
treelist.append(t)
GoNext()
if MYSYM[p] != ident:
print(Location[p], 'procedure后面缺少ident')
Error = 1
name = AddIdentNode(child, table)
entry = Entry(name, KIND.PROCEDURE)
t = table.add(entry)
if t == 1:
print(Location[p], entry.name + ' 重定义')
Error = 1
childTable = Table(table) # level 加1
GoNext()
'''
if MYSYM[p] != Border['(']:
print(Location[p],"procedure后面缺少()")
Error = 1
GoNext()
while (MYSYM[p] == ident):
name = AddIdentNode(child, table)
entry1 = Entry(name, KIND.VARIABLE)
childTable.add(entry1)
GoNext()
while MYSYM[p] == Border[',']:
treeid=treeid+1
child.AddChild(Node(',',treeid))
t=Tree(child.treeid,child.Name,treeid,',')
treelist.append(t)
GoNext()
if MYSYM[p] == ident:
name = AddIdentNode(child, table)
entry1 = Entry(name, KIND.VARIABLE)
childTable.add(entry1)
GoNext()
else:
print(Location[p],"传参只能传ident")
Error = 1
if MYSYM[p] == Border[')']:
GoNext()
else:
print(Location[p],"缺少‘)’")
Error = 1
'''
if MYSYM[p] == Border[';']:
treeid = treeid + 1
child.AddChild(Node(';', treeid))
t = Tree(child.treeid, child.Name, treeid, ';')
treelist.append(t)
GoNext()
return childTable, entry, table
else:
print(Location[p], "缺少分号")
Error = 1
else:
print(Location[p], "递归错误！")
Error = 1
error()
def AddReadNode(parent, table): # 添加<READ语句>节点
global Error, treeid
treeid = treeid + 1
child = Node('<读语句>', treeid)
parent.AddChild(child)
t = Tree(parent.treeid, parent.Name, child.treeid, '<Read the statements>')
treelist.append(t)
if MYSYM[p] == Operation['read']:
treeid = treeid + 1
child.AddChild(Node('read', treeid))
t = Tree(child.treeid, child.Name, treeid, 'read')
treelist.append(t)
GoNext()
if MYSYM[p] == Border['(']:
treeid = treeid + 1
child.AddChild(Node('(', treeid))
t = Tree(child.treeid, child.Name, treeid, '(')
treelist.append(t)
GoNext()
if MYSYM[p] == ident:
name = AddIdentNode(child, table)
GoNext()
code.append(PCode('OPR', 0, Operation['read'] -
7)) ################33#OPR 0 16
(l, a, flag) = table.find(name)
if a == 0:
print(Location[p], '错误，未定义的标识符', name)
Error = 1
if flag == isConst:
print(Location[p], '对常量的非法赋值:' + name)
Error = 1
else:
code.append(PCode('STO', l, a))
while MYSYM[p] == Border[',']:
treeid = treeid + 1
child.AddChild(Node(',', treeid))
t = Tree(child.treeid, child.Name, treeid, ',')
treelist.append(t)
GoNext()
if MYSYM[p] == ident:
name = AddIdentNode(child, table)
GoNext()
code.append(PCode('OPR', 0, Operation['read']))
(l, a, flag) = table.find(name)
if a == 0:
print(Location[p], '错误，未定义的标识符', name)
Error = 1
if flag == isConst:
print(Location[p], '对常量的非法赋值:' + name)
Error = 1
else:
code.append(PCode('STO', l, a))
else:
print(Location[p], '读操作只能对变量进行')
Error = 1
if MYSYM[p] == Border[')']:
treeid = treeid + 1
child.AddChild(Node(')', treeid))
t = Tree(child.treeid, child.Name, treeid, ')')
treelist.append(t)
GoNext()
else:
print(Location[p], "缺少右括号")
Error = 1
else:
print(Location[p], '读操作只能对变量进行')
Error = 1
else:
print(Location[p], "read后缺少括号")
Error = 1
else:
print(Location[p], "递归错误")
error()
def AddCallNode(parent, table): # 添加<CALL语句>节点
global Error, treeid
treeid = treeid + 1
child = Node('<过程调用语句>', treeid)
parent.AddChild(child)
t = Tree(parent.treeid, parent.Name, child.treeid,
'<Procedure call statement>')
treelist.append(t)
if MYSYM[p] == Key['call']:
treeid = treeid + 1
child.AddChild(Node('call', treeid))
t = Tree(child.treeid, child.Name, treeid, 'call')
treelist.append(t)
GoNext()
if MYSYM[p] == ident:
name1 = AddIdentNode(child, table)
GoNext()
'''
if MYSYM[p] == Border['(']:
treeid=treeid+1
child.AddChild(Node('(',treeid))
t=Tree(child.treeid,child.Name,treeid,'(')
treelist.append(t)
GoNext()
if MYSYM[p] == ident or MYSYM[p] == number:
temp = 3
AddexpNode(child, table)
code.append(PCode('OPR', temp, 29))
while MYSYM[p] == Border[',']:
GoNext()
temp += 1
AddexpNode(child, table)
code.append(PCode('OPR', temp, 29))
if MYSYM[p] == Border[')']:
treeid=treeid+1
child.AddChild(Node(')',treeid))
t=Tree(child.treeid,child.Name,treeid,')')
treelist.append(t)
GoNext()
else:
print(Location[p],"缺少右括号")
Error = 1
elif MYSYM[p] == Border[')']:
treeid=treeid+1
child.AddChild(Node(')',treeid))
t=Tree(child.treeid,child.Name,treeid,')')
treelist.append(t)
GoNext()
else:
print(Location[p], "缺少右括号")
Error = 1
else:
print(Location[p], "call后面缺少括号")
Error = 1
'''
(l, a, flag) = table.find(name1)
if a == 0:
print(Location[p], '错误，未定义的标识符', name1)
Error = 1
if flag != 2:
print(Location[p], '调用非函数名', name1)
Error = 1
code.append(PCode('CAL', l, a))
else:
print(Location[p], "call后面缺少ident")
Error = 1
else:
print(Location[p], "递归错误！")
exit(-1)
