def test_function_register_with_unlimited_arguments(self):
st = SymbolTable()
integer = IntegerType()
real = RealType()
boolean = BooleanType()
character = CharacterType()
# Create arguments
argumentsList = ArgumentsList()
argumentsList.add(Argument('a', integer))
argumentsList.makeUnlimited()
# Create parameters
parametersList = ParametersList()
parametersList.add(Parameter(ConstantExpression(1, 'int')))
parametersList.add(Parameter(ConstantExpression(3.14, 'float')))
parametersList.add(Parameter(ConstantExpression(True, 'bool')))
parametersList.add(Parameter(ConstantExpression(False, 'bool')))
# Register basic function, arguments
st.registerFunction('printer', integer, argumentsList, True)
# get basic function
self.assertEqual(type(st.getFunction('printer', parametersList)),
Function)
def test_function_label(self):
st = SymbolTable()
integer = IntegerType()
real = RealType()
boolean = BooleanType()
character = CharacterType()
# Create arguments
argumentsList = ArgumentsList()
argumentsList.add(Argument('a', integer))
argumentsList.add(Argument('b', real))
# Create parameters
parametersList = ParametersList()
parametersList.add(Parameter(ConstantExpression(1, 'int')))
parametersList.add(Parameter(ConstantExpression(3.14, 'float')))
# Register basic function, no arguments
st.registerFunction('add', integer, argumentsList, True)
# Check for label
self.assertEqual(st.getFunction('add', parametersList).label, 'add0')
# Check for label in scope
st.openScope()
st.registerFunction('add', integer, argumentsList, True)
self.assertEqual(st.getFunction('add', parametersList).label, 'add1')
st.closeScope()
def test_function_scoped(self):
st = SymbolTable()
integer = IntegerType()
real = RealType()
boolean = BooleanType()
character = CharacterType()
# Create arguments
argumentsList = ArgumentsList()
argumentsList.add(Argument('a', integer))
argumentsList.add(Argument('b', real))
# Create parameters
parametersList = ParametersList()
parametersList.add(Parameter(ConstantExpression(1, 'int')))
parametersList.add(Parameter(ConstantExpression(3.14, 'float')))
# Register basic function, no arguments
st.registerFunction('add', integer, argumentsList, True)
# Call function in main scope
self.assertEqual(type(st.getFunction('add', parametersList)), Function)
# open scope and get function again
st.openScope()
self.assertEqual(type(st.getFunction('add', parametersList)), Function)
# register function in scope
st.registerFunction('divide', integer, argumentsList, True)
# call new function in scope
self.assertEqual(type(st.getFunction('add', parametersList)), Function)
# close scope and call new created function, shouldn't work
st.closeScope()
self.assertRaises(FunctionNotRegisteredError,
lambda: st.getFunction('divide', parametersList))
# open scope and register add again
st.openScope()
st.registerFunction('add', integer, argumentsList, True)
self.assertEqual(type(st.getFunction('add', parametersList)), Function)
self.assertRaises(
FunctionAlreadyRegisteredError,
lambda: st.registerFunction('add', integer, argumentsList, True))
st.closeScope()
# register function in higher scope and call in lower scope
st.registerFunction('multiply', integer, argumentsList, True)
st.openScope()
self.assertEqual(type(st.getFunction('multiply', parametersList)),
Function)
self.assertRaises(
FunctionNotRegisteredError,
lambda: st.getFunction('multiplynotexisting', parametersList))
st.closeScope
def test_function_register_and_get_with_arguments(self):
st = SymbolTable()
integer = IntegerType()
real = RealType()
boolean = BooleanType()
character = CharacterType()
# Create arguments
argumentsList = ArgumentsList()
argumentsList.add(Argument('a', integer))
argumentsList.add(Argument('b', real))
# Create parameters
parametersList = ParametersList()
parametersList.add(Parameter(ConstantExpression(1, 'int')))
parametersList.add(Parameter(ConstantExpression(3.14, 'float')))
# fake ParametersList, has one parameters less
fakeParametersList = ParametersList()
fakeParametersList.add(Parameter(ConstantExpression(1, 'int')))
# Register basic function, arguments
st.registerFunction('add', integer, argumentsList, True)
# register function again, shouldn't work
self.assertRaises(
FunctionAlreadyRegisteredError,
lambda: st.registerFunction('add', integer, argumentsList, True))
# register function again with other return type, shouldn't work
self.assertRaises(
FunctionAlreadyRegisteredError,
lambda: st.registerFunction('add', boolean, argumentsList, True))
# get basic function
self.assertEqual(type(st.getFunction('add', parametersList)), Function)
# get not known function, should not work
self.assertRaises(FunctionNotRegisteredError,
lambda: st.getFunction('hello', parametersList))
# get the function with no arguments, shouldn't work
self.assertRaises(FunctionNotRegisteredError,
lambda: st.getFunction('add', ParametersList()))
# get the function with wrong arguments, shouldn't work
self.assertRaises(FunctionNotRegisteredError,
lambda: st.getFunction('add', fakeParametersList))
def test_compile_function_arguments_no_statements(self):
st = SymbolTable()
integer = IntegerType()
arrayinteger = ArrayType(integer, 3)
# Create arguments
argumentsList = ArgumentsList()
argumentsList.add(Argument('a', integer))
argumentsList.add(Argument('b', arrayinteger))
# Create parameters
parametersList = ParametersList()
parametersList.add(Parameter(ConstantExpression(1, 'int')))
parametersList.add(
Parameter(
VariableCallExpression(Symbol('b', arrayinteger, 0), None)))
st.registerFunction('main', integer, argumentsList, True)
function = st.getFunction('main', parametersList)
st.openFunctionScope(function)
st.closeFunctionScope(function)
statement = FunctionStatement(function, [], True)
self.assertEqual(function.getStaticSize(), 9)
self.assertEqual(function.getParameterSize(), 4)
self.assertEqual(statement.compile(), "main0:\nssp 9\nretp\n")
def test_symbol_address_in_function_with_arguments(self):
st = SymbolTable()
integer = IntegerType()
arrayinteger = ArrayType(integer, 3)
# Create arguments
argumentsList = ArgumentsList()
argumentsList.add(Argument('a', integer))
argumentsList.add(Argument('b', arrayinteger))
# Create parameters
parametersList = ParametersList()
parametersList.add(Parameter(ConstantExpression(1, 'int')))
parametersList.add(
Parameter(
VariableCallExpression(Symbol('b', arrayinteger, 0), None)))
st.registerFunction('main', integer, argumentsList, True)
function = st.getFunction('main', parametersList)
st.openFunctionScope(function)
self.assertEqual(st.getSymbol('a').address, 5)
self.assertEqual(st.getSymbol('b').address, 6)
st.registerSymbol('c', integer)
self.assertEqual(st.getSymbol('c').address, 9)
st.registerSymbol('d', arrayinteger)
self.assertEqual(st.getSymbol('d').address, 10)
st.registerSymbol('e', integer)
self.assertEqual(st.getSymbol('e').address, 13)
st.closeFunctionScope(function)
self.assertEqual(function.getStaticSize(), 14)
self.assertEqual(function.getParameterSize(), 4)
def buildConstantExpression(self, tree):
"""Build Constant Expression"""
if (1 != tree.getChildCount()):
raise RuntimeError("Invalid ConstantExpression: '" +
tree.getText() + "'")
token = tree.getChild(0).getPayload()
if (not isinstance(token, Token)):
raise RuntimeError("Invalid ConstantExpression: '" +
tree.getText() + "'")
if (token.type == CLexer.TRUE):
return ConstantExpression(True, 'bool')
elif (token.type == CLexer.FALSE):
return ConstantExpression(False, 'bool')
elif (token.type == CLexer.CHAR):
return ConstantExpression(tree.getChild(0).getText()[0], 'char')
elif (token.type == CLexer.NUM):
return ConstantExpression(int(tree.getChild(0).getText()), 'int')
elif (token.type == CLexer.REAL):
return ConstantExpression(float(tree.getChild(0).getText()),
'float')
elif (token.type == CLexer.STRING):
return ConstantExpression(
tree.getChild(0).getText()[1:-1], 'string')
else:
raise RuntimeError("Invalid ConstantExpression: '" +
tree.getText() + "'")
def test_function_parameter_size_array_full(self):
st = SymbolTable()
integer = IntegerType()
arrayinteger = ArrayType(integer, 3)
# Create arguments
argumentsList = ArgumentsList()
argumentsList.add(Argument('a', integer))
argumentsList.add(Argument('b', arrayinteger))
# Create array
st.registerSymbol('b', arrayinteger)
# Create parameters
parametersList = ParametersList()
parametersList.add(Parameter(ConstantExpression(1, 'int')))
parametersList.add(
Parameter(VariableCallExpression(st.getSymbol('b'), None)))
# Register basic function, no arguments
st.registerFunction('add', integer, argumentsList, True)
function = st.getFunction('add', parametersList)
self.assertEqual(function.getParameterSize(), 4)