def expression(self):
me = Trees.Tree()
if self.Tok.type == "ID":
# aR'
# semantic: check table for id
me.addNextOperand(self.Tok)
if self.Works[self.boi + 1].dataC != "(":
symb = self.Table.getSymbol(self.Tok.dataC)
else:
symb = self.Table.getFuncSymbol(self.Tok.dataC)
self.sDict[
"ID"] = self.Tok.dataC # capture ID #add to druple maybe
# accept: ID
self.accept(self.Tok.type, "ID")
expr = self.expression_prime(me)
last = self.createInstruct(me.root)
return self.testExpression([symb, expr]), (last, me.root)
elif self.Tok.type == "INTEGER" or self.Tok.type == "FLOAT":
# bX'V'T'
me.root = Trees.TreeNode(self.Tok)
if self.Tok.type == "FLOAT":
type = "float"
else:
type = "int"
num = Symbol(type, "NUM", self.Tok.dataC)
# accept: NUM
self.accept(self.Tok.type, self.Tok.type)
term = self.term_prime(me)
adde = self.additive_expression_prime(me)
sime = self.ok_expression_prime(me)
last = self.createInstruct(me.root)
return self.testExpression([num, term, adde,
sime]), (last, me.root)
elif self.Tok.dataC == "(":
# accept: (
self.accept(self.Tok.dataC, "(")
expr = self.expression()
last = expr[1][1]
expr = expr[0]
if self.Tok.dataC == ")":
# accept: )
self.accept(self.Tok.dataC, ")")
term = self.term_prime(me)
adde = self.additive_expression_prime(me)
sime = self.ok_expression_prime(me)
last = self.createInstruct(me.root)
return self.testExpression([expr, term, adde,
sime]), (last, me.root)
print("REJECT")
sys.exit(0)
