def visitDefinirShortVar(self, shortVar):
#print('visitShortVarDecl')
variaveis = shortVar.IdentifierList.accept(self)
tipos = shortVar.ExpressionList.accept(self)
if (type(variaveis) is list and type(tipos) is list):
if (len(variaveis) == len(tipos)):
for k in range(len(variaveis)):
if (variaveis[k] in lex.reserved):
shortVar.accept(self.printer)
print('\n\t[Erro]: Declaracao invalida')
else:
for k in range(len(variaveis)):
if (tipos[k] in st.TiposPrimitivos):
st.addVar(variaveis[k], tipos[k])
else:
shortVar.accept(self.printer)
print('\n\t[Erro]: Declaracao invalida')
else:
shortVar.accept(self.printer)
print('\n\t[Erro]: Declaracao invalida')
elif (type(variaveis) is list):
shortVar.accept(self.printer)
print('\n\t[Erro]: Declaracao invalida')
elif (variaveis in lex.reserved):
shortVar.accept(self.printer)
print('\n\t[Erro]: Declaracao invalida')
elif (tipos in st.TiposPrimitivos):
st.addVar(variaveis, tipos)
else:
shortVar.accept(self.printer)
print('\n\t[Erro]: Declaracao invalida')
def visitClassicVarSpec(self, classicVarSpec):
#print('visitClassicVarSpec')
variaveis = classicVarSpec.IdentifierList.accept(self)
tipo = classicVarSpec.Type
tipo = st.getNewType(tipo)
if (tipo == None):
classicVarSpec.accept(self.printer)
print('\n\t[ERRO] Tipo indefinido')
for k in range(len(variaveis)):
if (st.getBindable(variaveis[k]) == None):
st.addVar(variaveis[k], tipo)
else:
classicVarSpec.accept(self.printer)
print('\n\t[Erro]:', variaveis[k], 'redefinida neste bloco')
expressao = classicVarSpec.ExpressionList.accept(self)
if (type(expressao) != type([])):
if (expressao != tipo):
classicVarSpec.accept(self.printer)
print(
'\n\t[Erro]: Atribuicao nao compativel com o tipo declarado'
)
else:
for i in range(len(expressao)):
if (expressao[i] != tipo):
classicVarSpec.accept(self.printer)
print(
'\n\t[Erro]: Atribuicao nao compativel com o tipo declarado'
)
break
def visitSimpleVarSpec(self, simpleVarSpec):
#print('visitSimpleVarSpec')
variavel = simpleVarSpec.IdentifierList.accept(self)
tipo = simpleVarSpec.ExpressionList.accept(self)
if (type(tipo) is not list):
tipo = [tipo]
if (len(variavel) != len(tipo)):
simpleVarSpec.accept(self.printer)
print('\n\t[Erro]:', len(variavel), 'variaveis mas', len(tipo),
'valores')
else:
for x in range(len(variavel)):
if (st.getBindable(variavel[x]) == None):
if (tipo[x] not in st.TiposPrimitivos):
tipoAux = st.getBindable(tipo[x])
if (tipoAux == None):
simpleVarSpec.accept(self.printer)
print('\n\t[ERRO]: Atribuicao nao compativel')
else:
st.addVar(variavel[x], tipoAux[st.TYPE])
else:
st.addVar(variavel[x], tipo[x])
else:
simpleVarSpec.accept(self.printer)
print('\n\t[Erro]:', variavel[x], 'redefinida neste bloco')
def visitListTypeExp(self, listTypeExp):
#print('visitListTypeExp')
variaveis = listTypeExp.IdentifierList.accept(self)
tipo = st.getNewType(listTypeExp.Type)
for indice in range(len(variaveis)):
if (st.getBindable(variaveis[indice]) == None):
st.addVar(variaveis[indice], tipo)
else:
listTypeExp.accept(self.printer)
print('\n\t[ERRO]:', variaveis[indice],
'redefinida neste bloco')
expressao = listTypeExp.ExpressionList.accept(self)
if (type(expressao) is not list):
if (expressao in st.TiposPrimitivos and expressao != tipo):
listTypeExp.accept(self.printer)
print(
'\n\t[ERRO]: Atribuicao nao compativel com o tipo declarado'
)
elif (expressao != tipo):
expressao = st.getBindable(expressao)
if (None == expressao or expressao[st.TYPE] != tipo):
listTypeExp.accept(self.printer)
print(
'\n\t[ERRO]: Atribuicao nao compativel com o tipo declarado'
)
else:
for ind in range(len(expressao)):
if (expressao[ind] != tipo):
listTypeExp.accept(self.printer)
print('\n\t[ERRO]: Atribuicao nao compativel')
break
def visitListIdExp(self, listIdExp):
#print('visitListIdExp')
idList = listIdExp.IdentifierList.accept(self)
expList = listIdExp.ExpressionList.accept(self)
if (type(expList) is not list):
expList = [expList]
if (len(idList) != len(expList)):
listIdExp.accept(self.printer)
print('[Erro]: ', len(idList), 'constantes mas', len(expList),
'valores')
else:
for i in range(len(idList)):
if (st.getBindable(idList[i]) == None):
if (expList[i] not in st.TiposPrimitivos):
expAux = st.getBindable(expList[i])
if (expAux == None):
listIdExp.accept(self.printer)
print('\n\t[ERRO]: Atribuicao nao compativel')
else:
st.addVar(idList[i], expList[st.TYPE])
st.symbolTable[-1][idList[i]][st.CONST] = 'const'
else:
st.addVar(idList[i], expList[i])
st.symbolTable[-1][idList[i]][st.CONST] = 'const'
else:
listIdExp.accept(self.printer)
print('\n\t[Erro]:', idList[i], 'redefinida neste bloco')
def visitSpecVar(self, specVar):
#print('visitSpecVar')
variaveis = specVar.IdentifierList.accept(self)
tipo = st.getNewType(specVar.Type)
if (tipo == None):
specVar.accept(self.printer)
print('\n\t[ERRO] Tipo indefinido')
for k in range(len(variaveis)):
st.addVar(variaveis[k], tipo)
def visitDefinirFuncBody(self, definirFuncBody):
parametrosRetorno = definirFuncBody.Signature.accept(self)
st.addFunction(definirFuncBody.ID, parametrosRetorno[0:-1],
parametrosRetorno[-1])
st.beginScope(definirFuncBody.ID)
if (parametrosRetorno[0] != None):
for k in range(0, len(parametrosRetorno[0:-1]), 2):
st.addVar(parametrosRetorno[0:-1][k],
parametrosRetorno[0:-1][k + 1])
definirFuncBody.FunctionBody.accept(self)
def visitRangeExpList(self, rangeExpList):
#print('visitRangeExpList')
left = rangeExpList.ExpressionList.accept(self)
right = rangeExpList.Expression.accept(self)
if (type(left) is list):
if (left[0] in st.TiposPrimitivos and left[0] != st.INT):
rangeExpList.accept(self.printer)
print(
'\n\t [ERRO] O tipo da primeira variavel precisa ser inteiro.'
)
elif (left[0] != st.INT):
st.addVar(left[0], st.INT)
if (left[1] in st.TiposPrimitivos and left[1] != st.STRING):
rangeExpList.accept(self.printer)
print(
'\n\t [ERRO] O tipo da segunda variavel precisa ser string.'
)
elif (left[1] != st.STRING):
st.addVar(left[1], st.STRING)
elif (left in lex.reserved and left != st.STRING):
rangeExpList.accept(self.printer)
print('\n\t[ERRO] Variavel precisa ser do tipo string.')
elif (left != st.STRING):
st.addVar(left, st.STRING)
if (right != st.STRING):
rangeExpList.accept(self.printer)
print('\n\t[ERRO] Declaracao range precisa ser do tipo string')