def evaluate_binary_operation_array_version(current_program):
right_operand = current_program.operand_stack.pop()
left_operand = current_program.operand_stack.pop()
right_type = current_program.type_stack.pop()
left_type = current_program.type_stack.pop()
operator = current_program.operator_stack.pop()
result_type = current_program.sem_cube.get_type(left_type, right_type,
operator)
if result_type != 'error':
new_temporary_address = current_program.mem.temporary_memory_assign(
result_type)
current_program.func_directory.new_temporary_variable(
current_program.scope_l, result_type)
#Generate quadruple with operands in the middle and result in the last space
current_program.quad_number += quad_append(
current_program,
Quad(current_program.quad_number, operator, left_operand,
right_operand, new_temporary_address))
new_list = []
new_list.append(new_temporary_address)
current_program.operand_stack.append(new_list)
current_program.type_stack.append((result_type))
return 1
else:
print('Operation Type Mismatch.')
sys.exit()
def p_print_quad(p):
'print_quad : '
print_content = current_program.operand_stack.pop()
print_type = current_program.type_stack.pop()
current_program.quad_number += quad_append(
current_program,
Quad(current_program.quad_number, 'PRINT', print_content, None, None))
def p_special_string_quad(p):
'special_string_quad :'
temporary_string = current_program.mem.temporary_memory_assign(
'string', p[-2])
current_program.quad_number += quad_append(
current_program,
Quad(current_program.quad_number, p[-4], temporary_string, None, None))
def p_print_string_quad(p):
'print_string_quad : '
temporary_string = current_program.mem.temporary_memory_assign(
'string', p[-1])
current_program.quad_number += quad_append(
current_program,
Quad(current_program.quad_number, 'PRINT', temporary_string, None,
None))
def p_goto_while_fill(p):
'goto_while_fill :'
end = current_program.jump_stack.pop()
ret = current_program.jump_stack.pop()
current_program.quad_number += quad_append(
current_program,
Quad(current_program.quad_number, "GOTO", None, None, ret))
quad = current_program.quad_list[end]
quad.set_quad_goto(current_program.quad_number)
def goto_else_function(current_program):
end = current_program.jump_stack.pop()
#GOTO's are empty at creation
current_program.quad_number += quad_append(
current_program,
Quad(current_program.quad_number, "GOTO", None, None, None))
quad = current_program.quad_list[end]
end = current_program.jump_stack.append(current_program.quad_number - 2)
quad.set_quad_goto(current_program.quad_number)
def two_argument_string_special_function(current_program, element, string):
current_type = current_program.type_stack.pop()
#Only one of the variables is stored, the string is just passing by.
if current_type == "int":
operand = current_program.operand_stack.pop()
current_program.quad_number += quad_append(current_program,
Quad(current_program.quad_number, element, operand, string, None))
else:
print("Special Functions parameter type mismatch.")
sys.exit()
def one_argument_special_function(current_program, element):
#This will pop the expression for the argument and verify it is an int
current_type = current_program.type_stack.pop()
if current_type == "int":
operand = current_program.operand_stack.pop()
current_program.quad_number += quad_append(
current_program,
Quad(current_program.quad_number, element, operand, None, None))
else:
print("Special functions parameter type mismatch.")
sys.exit()
def gotof_quad_function(current_program):
exp_type = current_program.type_stack.pop()
#It is very important that this verification is here, otherwise it would just be a goto
if exp_type == 'bool':
result = current_program.operand_stack.pop()
current_program.quad_number += quad_append(current_program,
Quad(current_program.quad_number, 'GOTOF', result, None, None))
current_program.jump_stack.append(current_program.quad_number - 2)
else:
print("Type mismatch at condition.")
sys.exit()
def gosub_quad(current_program, target):
if not current_program.temporary_arg_types:
current_program.quad_number += quad_append(
current_program,
Quad(current_program.quad_number, 'GOSUB', target, None,
current_program.func_directory.get_quad_number(target)))
return 1
else:
print('Argument number mismatch.')
sys.exit()
def input_quad_function(current_program, element):
#Although we do it often, it's important to note that these two functions will usually act as a way
#to check both local and global context
identifier = current_program.func_directory.get_function_variable(
current_program.scope_l, element)
if identifier is None:
identifier = current_program.func_directory.get_function_variable(
current_program.scope_g, element)
if identifier is not None:
#Type is a literal value in this quadruple
current_program.quad_number += quad_append(
current_program,
Quad(current_program.quad_number, "READINPUT",
identifier['type'], None, identifier['address']))
else:
print("The variable " + element + " has not been declared.")
sys.exit()
else:
current_program.quad_number += quad_append(
current_program,
Quad(current_program.quad_number, "READINPUT", identifier['type'],
None, identifier['address']))
def two_argument_special_function(current_program, element):
current_type = current_program.type_stack.pop()
current_type2 = current_program.type_stack.pop()
#Since we are verifying two int exps, two verificaitions are in check
if current_type == "int":
if current_type2 == "int":
operand = current_program.operand_stack.pop()
operand2 = current_program.operand_stack.pop()
current_program.quad_number += quad_append(
current_program,
Quad(current_program.quad_number, element, operand, operand2,
None))
else:
print("Special functions paramter type mismatch.")
sys.exit()
def quad_ver_function(current_program):
a = 1
argument_type = current_program.type_stack.pop()
if argument_type == 'int':
argument = current_program.operand_stack.pop()
if current_program.scope_l == current_program.scope_g:
current_variable = current_program.func_directory.get_function_variable(
current_program.scope_g, current_program.current_array_id)
else:
current_variable = current_program.func_directory.get_function_variable(
current_program.scope_l, current_program.current_array_id)
if current_variable is not None:
if current_variable['dimension_one'] != -1 and current_variable[
'dimension_two'] == -1:
current_program.quad_number += quad_append(
current_program,
Quad(current_program.quad_number, 'VER', argument, 0,
current_variable['dimension_one']))
current_program.operand_stack.append(argument)
k_value = current_program.mem.constant_memory_assign('int', 0)
current_program.operand_stack.append(k_value)
current_program.type_stack.append('int')
current_program.type_stack.append('int')
current_program.operator_stack.append(
'+'
) #This command and the last 4 are for adding -k (0 in this case)
current_program.quad_number += evaluate_binary_operation(
current_program)
memory_sum = current_program.operand_stack.pop()
base = current_program.operand_stack.pop()
dir_base = current_program.mem.constant_memory_assign(
'int',
base) #We store the base address in a variable to add it
current_program.operand_stack.append(memory_sum)
current_program.operand_stack.append(dir_base)
current_program.operator_stack.append('+')
current_program.quad_number += evaluate_binary_operation_array_version(
current_program)
#Calls for a list insert into operand stack
else:
print("Variable " + current_program.current_id +
" is not an array.")
sys.exit()
else:
print("Variable " + current_program.current_id +
" is not defined.")
sys.exit()
def return_from_function(current_program):
return_value = current_program.operand_stack.pop()
return_type = current_program.type_stack.pop()
function = current_program.func_directory.get_function(
current_program.scope_l)
function_type = function['return_type']
function_ret_address = function['return_address']
if function_type == return_type:
#This line should be properly providing the return address for the function (but it doesn't work at the moment)
current_program.quad_number += quad_append(
current_program,
Quad(current_program.quad_number, 'RETURN', return_value, None,
function_ret_address))
else:
print("Function return type mismatch.")
sys.exit()
def era_quad(current_program, element):
if current_program.func_directory.get_function(element) is not None:
return_address = current_program.func_directory.get_return_address(
element)
function_type = current_program.func_directory.get_function_type(
element)
current_program.operand_stack.append(
return_address) #These two lines were not in the first version
current_program.type_stack.append(
function_type) # They insert the return line into the stack
current_program.quad_number += quad_append(
current_program,
Quad(current_program.quad_number, 'ERA', element, None, None))
function_parameters = current_program.func_directory.get_function_parameters(
element)
#This will help us verify that the sent types are of the correct type
current_program.temporary_arg_types = list(
function_parameters['parameter_types'])
return 1
else:
print("Function " + element + " is not defined.")
sys.exit()
def p_endproc_quad(p):
'endproc_quad : '
current_program.quad_number += quad_append(
current_program,
Quad(current_program.quad_number, "ENDPROC", None, None, None))
def no_argument_special_function(current_program, element):
#No pops since it has no arguments
current_program.quad_number += quad_append(
current_program,
Quad(current_program.quad_number, element, None, None, None))
def p_main_quad(p):
'main_quad : '
current_program.quad_number += quad_append(
current_program,
Quad(current_program.quad_number, "GOTO", "MAIN", None, None))
def quad_ver_two_function(current_program):
a = 1
s2 = 1
s1 = 1
s2_type = current_program.type_stack.pop()
s1_type = current_program.type_stack.pop()
if s2_type == 'int' and s1_type == 'int':
s2 = current_program.operand_stack.pop()
s1 = current_program.operand_stack.pop()
if current_program.scope_l == current_program.scope_g:
current_variable = current_program.func_directory.get_function_variable(
current_program.scope_g, current_program.current_array_id)
else:
current_variable = current_program.func_directory.get_function_variable(
current_program.scope_l, current_program.current_array_id)
if current_variable is not None:
if current_variable['dimension_one'] != -1:
if current_variable['dimension_two'] != -1:
current_program.quad_number += quad_append(
current_program,
Quad(current_program.quad_number, 'VER', s1, 0,
current_variable['dimension_one']))
current_program.operand_stack.append(s1)
current_program.operand_stack.append(
current_program.mem.temporary_memory_assign(
'int',
current_variable['dimension_two'])) #S1 * d2
current_program.type_stack.append('int')
current_program.type_stack.append('int')
current_program.operator_stack.append('*')
current_program.quad_number += evaluate_binary_operation(
current_program)
current_program.quad_number += quad_append(
current_program,
Quad(current_program.quad_number, 'VER', s2, 0,
current_variable['dimension_two']))
current_program.operand_stack.append(s2)
current_program.type_stack.append('int')
current_program.type_stack.append('int')
current_program.operator_stack.append(
'+') #Adds the second index (s2)
current_program.quad_number += evaluate_binary_operation(
current_program)
current_program.operand_stack.append(
current_program.operand_stack.pop())
k_value = current_program.mem.constant_memory_assign(
'int', 0)
current_program.operand_stack.append(k_value)
current_program.type_stack.append('int')
current_program.type_stack.append('int')
current_program.operator_stack.append(
'+'
) #This command and the last 4 are for adding -k (0 in this case)
current_program.quad_number += evaluate_binary_operation(
current_program)
memory_sum = current_program.operand_stack.pop()
base = current_program.operand_stack.pop()
dir_base = current_program.mem.constant_memory_assign(
'int', base)
current_program.operand_stack.append(memory_sum)
current_program.operand_stack.append(dir_base)
current_program.operator_stack.append('+')
current_program.quad_number += evaluate_binary_operation_array_version(
current_program)
#Calls for a list insert into operand stack
else:
print("Variable " + current_program.current_id +
" is not a matrix.")
sys.exit()
else:
print("Variable " + current_program.current_id +
" is not dimensioned.")
sys.exit()
else:
print("Variable " + current_program.current_id +
" is not defined.")
sys.exit()
