Example #1
0
 def Evaluate(self, SymbolTable, whileFlag=0):
     value_obj = self.children[0].Evaluate(SymbolTable, whileFlag)
     value = value_obj.getValue()
     if (self.value == "-"):
         result = Value("int")
         result.setValue(value * -1)
         return result
     elif (self.value == "not"):
         if value_obj.type == "boolean":
             result = Value("boolean")
             result.setValue(not value)
             return result
         else:
             raise ValueError("Operand must be a boolean")
     else:
         return
Example #2
0
 def Evaluate(self, SymbolTable, whileFlag=0, nodeId=None):
     value1_obj = self.children[0].Evaluate(SymbolTable, whileFlag)
     self.generateAsm(SymbolTable, "push", whileFlag)
     value2_obj = self.children[1].Evaluate(SymbolTable, whileFlag)
     self.generateAsm(SymbolTable, "pop", whileFlag)
     value1 = value1_obj.getValue()
     value2 = value2_obj.getValue()
     if (self.value == "+"):
         if not self.same_type(value1_obj, value2_obj):
             raise ValueError("Operands must be the same type")
         value_sum = value1 + value2
         self.generateAsm(SymbolTable, "ADD", whileFlag)
         result = Value("int")
         result.setValue(value_sum)
         return result
     elif (self.value == "-"):
         if not self.same_type(value1_obj, value2_obj):
             raise ValueError("Operands must be the same type")
         value_sub = value1 - value2
         self.generateAsm(SymbolTable, "SUB", whileFlag)
         result = Value("int")
         result.setValue(value_sub)
         return result
     elif (self.value == "or"):
         if not self.same_type(value1_obj, value2_obj):
             raise ValueError("Operands must be the same type")
         value_or = value1 or value2
         self.generateAsm(SymbolTable, "OR", whileFlag)
         result = Value("boolean")
         result.setValue(value_or)
         return result
     elif (self.value == "*"):
         if not self.same_type(value1_obj, value2_obj):
             raise ValueError("Operands must be the same type")
         value_mult = value1 * value2
         self.generateAsm(SymbolTable, "IMUL", whileFlag)
         result = Value("int")
         result.setValue(value_mult)
         return result
     elif (self.value == "/"):
         if not self.same_type(value1_obj, value2_obj):
             raise ValueError("Operands must be the same type")
         value_div = value1 // value2
         result = Value("int")
         self.generateAsm(SymbolTable, "DIV", whileFlag)
         result.setValue(value_div)
         return result
     elif (self.value == "and"):
         if not self.same_type(value1_obj, value2_obj):
             raise ValueError("Operands must be the same type")
         value_and = value1 and value2
         self.generateAsm(SymbolTable, "AND", whileFlag)
         result = Value("boolean")
         result.setValue(value_and)
         return result
     elif (self.value == ">"):
         if not self.same_type(value1_obj, value2_obj):
             raise ValueError("Operands must be the same type")
         self.generateAsm(SymbolTable, "jg", whileFlag, nodeId)
         value_bigger = value1 > value2
         result = Value("boolean")
         result.setValue(value_bigger)
         return result
     elif (self.value == "<"):
         if not self.same_type(value1_obj, value2_obj):
             raise ValueError("Operands must be the same type")
         self.generateAsm(SymbolTable, "jl", whileFlag, nodeId)
         value_smaller = value1 < value2
         result = Value("boolean")
         result.setValue(value_smaller)
         return result
     elif (self.value == "="):
         if not self.same_type(value1_obj, value2_obj):
             raise ValueError("Operands must be the same type")
         self.generateAsm(SymbolTable, "je", whileFlag, nodeId)
         value_equal = value1 == value2
         result = Value("boolean")
         result.setValue(value_equal)
         return result
     elif (self.value == "!="):
         if not self.same_type(value1_obj, value2_obj):
             raise ValueError("Operands must be the same type")
         value_diff = value1 != value2
         result = Value("boolean")
         result.setValue(value_diff)
         return result
     else:
         return
Example #3
0
 def Evaluate(self, SymbolTable, whileFlag=0):
     result = input()
     value = Value("int")
     value.setValue(int(result))
     return value
Example #4
0
 def Evaluate(self, SymbolTable, whileFlag=0):
     self.generateAsm(SymbolTable, whileFlag)
     value = Value("boolean")
     value.setValue(self.value)
     return value
Example #5
0
 def Evaluate(self, SymbolTable, whileFlag=0):
     value = Value("string")
     value.setValue(self.value)
     return value
Example #6
0
 def Evaluate(self, SymbolTable):
     value1_obj = self.children[0].Evaluate(SymbolTable)
     value2_obj = self.children[1].Evaluate(SymbolTable)
     value1 = value1_obj.getValue()
     value2 = value2_obj.getValue()
     if (self.value == "+"):
         if not self.same_type(value1_obj, value2_obj):
             raise ValueError("Operands must be the same type")
         value_sum = value1 + value2
         result = Value("int")
         result.setValue(value_sum)
         return result
     elif (self.value == "-"):
         if not self.same_type(value1_obj, value2_obj):
             raise ValueError("Operands must be the same type")
         value_sub = value1 - value2
         result = Value("int")
         result.setValue(value_sub)
         return result
     elif (self.value == "or"):
         if not self.same_type(value1_obj, value2_obj):
             raise ValueError("Operands must be the same type")
         value_or = value1 or value2
         result = Value("boolean")
         result.setValue(value_or)
         return result
     elif (self.value == "*"):
         if not self.same_type(value1_obj, value2_obj):
             raise ValueError("Operands must be the same type")
         value_mult = value1 * value2
         result = Value("int")
         result.setValue(value_mult)
         return result
     elif (self.value == "/"):
         if not self.same_type(value1_obj, value2_obj):
             raise ValueError("Operands must be the same type")
         value_div = value1 // value2
         result = Value("int")
         result.setValue(value_div)
         return result
     elif (self.value == "and"):
         if not self.same_type(value1_obj, value2_obj):
             raise ValueError("Operands must be the same type")
         value_and = value1 and value2
         result = Value("boolean")
         result.setValue(value_and)
         return result
     elif (self.value == ":="):
         SymbolTable.setSymbol(value1, value2)
     elif (self.value == ">"):
         if not self.same_type(value1_obj, value2_obj):
             raise ValueError("Operands must be the same type")
         value_bigger = value1 > value2
         result = Value("boolean")
         result.setValue(value_bigger)
         return result
     elif (self.value == "<"):
         if not self.same_type(value1_obj, value2_obj):
             raise ValueError("Operands must be the same type")
         value_smaller = value1 < value2
         result = Value("boolean")
         result.setValue(value_smaller)
         return result
     elif (self.value == "="):
         if not self.same_type(value1_obj, value2_obj):
             raise ValueError("Operands must be the same type")
         value_equal = value1 == value2
         result = Value("boolean")
         result.setValue(value_equal)
         return result
     elif (self.value == "!="):
         if not self.same_type(value1_obj, value2_obj):
             raise ValueError("Operands must be the same type")
         value_diff = value1 != value2
         result = Value("boolean")
         result.setValue(value_diff)
         return result
     elif (self.value == ":"):
         SymbolTable.createSymbol(value1, value2)
     else:
         return
Example #7
0
 def Evaluate(self, SymbolTable):
     value = Value("boolean")
     value.setValue(self.value)
     return value
Example #8
0
 def Evaluate(self, SymbolTable):
     value = Value("string")
     value.setValue(self.value)
     return value