def evaluate(self, table: SymbolTable):
if self.value not in SymbolTable.functions:
raise ValueError("The function " + self.value + " wasn't declared")
n, dec = SymbolTable.functions[self.value]
st = SymbolTable()
# st.table = table.table
if len(self.children) + 1 != len(dec.children):
raise ValueError("Not enough arguments in function call: " +
self.value)
for i in range(len(self.children)):
c1 = self.children[i].evaluate(table)
c2 = dec.children[i][1].evaluate(table)
if c1[0] == c2[0]:
st.setter(dec.children[i][0].value, c2)
st.setter(dec.children[i][0].value, c1)
else:
raise ValueError("Function call '" + self.value +
"' has the wrong type for argument " +
str(i) + ": " + c1[0] + " != " + c2[0])
dec.children[-1].evaluate(st)
if st.getter("return") != None:
ret = st.getter("return")
if ret[0] == dec.returnType:
return ret
else:
raise ValueError(
"Return type is not the same as the Declaration type: " +
ret[0] + " != " + dec.returnType)
def Evaluate(self, st):
new_st = SymbolTable(st)
get_node = st.getter(self.value)
node = get_node[0]
func_void = get_node[1]
if func_void == "FUNCTION":
new_st.declare(node.children[0][0], node.children[0][1])
if node.children:
if len(self.children) > len(node.children[1]):
raise ValueError(f"Too many arguments in {self.value}")
if len(self.children) < len(node.children[1]):
raise ValueError(f"missing arguments in {self.value}")
for i in range(len(node.children[1])):
new_st.create(node.children[1][i][0],
self.children[i].Evaluate(st),
node.children[1][i][1])
for child in node.children[2]:
child.Evaluate(new_st)
if func_void == "FUNCTION":
return_value = new_st.getter(self.value)
# print(return_value)
#if the type match
if return_value[1] == node.children[0][1]:
return return_value[0]
def evaluate(self, table: SymbolTable):
for i in self.children:
i.evaluate(table)
if table.getter("return") != None:
break
def evaluate(self, table: SymbolTable):
return table.getter(self.value)