def on_actionTabelaParsing_triggered(self):
self.tabGramaticas.currentIndex()
aba = self.tabGramaticas.currentWidget()
parser = aba.parser
if parser is None:
aba.gerarParser()
parser = aba.parser
if parser:
gramatica = parser.gramatica
dialog = QDialog(self)
janela = Ui_dialogTabela()
janela.setupUi(dialog)
tabela = janela.tabela
cabecalhoLinhas = sorted(list(gramatica.Vn - {"&"}))
cabecalhoColunas = sorted(list(gramatica.Vt - {"&"} | {"$"}))
tabela.setColumnCount(len(cabecalhoColunas))
tabela.setRowCount(len(cabecalhoLinhas))
tabela.setHorizontalHeaderLabels(cabecalhoColunas)
tabela.setVerticalHeaderLabels(cabecalhoLinhas)
for i in range(len(cabecalhoLinhas)):
for j in range(len(cabecalhoColunas)):
t = cabecalhoColunas[j]
nt = cabecalhoLinhas[i]
try:
num = parser.tabela[(nt, t)]
tabela.setItem(i, j, QTableWidgetItem(str(num)))
except KeyError:
pass
dialog.show()
def on_actionFirstFollow_triggered(self):
aba = self.tabGramaticas.currentWidget()
if aba.firsts is None or aba.follows is None:
gramatica = aba.abaGramatica.textEditGramatica.toPlainText()
resposta = verificarFormatoGramatica(gramatica)
if resposta.correta:
prods = resposta.prods
prodsNumeradas = resposta.prodsNumeradas
numProducoes = resposta.numProducoes
Vn = resposta.Vn
Vt = resposta.Vt
inicial = resposta.inicial
gramatica = GLC(Vn=Vn,
Vt=Vt,
inicial=inicial,
prods=prods,
prodsNumeradas=prodsNumeradas,
numProducoes=numProducoes)
aba.firsts = construirFirsts(gramatica)
aba.follows = construirFollows(gramatica)
else:
QMessageBox.warning(self,
resposta.tipoErro,
resposta.mensagemErro)
return
firsts = aba.firsts
follows = aba.follows
dialog = QDialog(self)
janela = Ui_dialogTabela()
janela.setupUi(dialog)
Vt = sorted(list(follows.keys()))
tabela = janela.tabela
tabela.setRowCount(len(Vt))
tabela.setColumnCount(2)
tabela.setVerticalHeaderLabels(Vt)
tabela.setHorizontalHeaderLabels(["First", "Follow"])
for i in range(len(Vt)):
tabela.setItem(i, 0 ,
QTableWidgetItem(
",".join(firsts[Vt[i]])
)
)
tabela.setItem(i, 1 ,
QTableWidgetItem(
",".join(follows[Vt[i]])
)
)
dialog.show()
