def visitExp(self, ctx: BKITParser.ExpContext):
if ctx.getChildCount() == 1:
return self.visit(ctx.operand())
elif ctx.I_SUB() or ctx.F_SUB():
return UnaryOp(ctx.getChild(0).getText(), self.visit(ctx.exp(0)))
elif ctx.NOT():
return UnaryOp(ctx.NOT().getText(), self.visit(ctx.exp(0)))
elif ctx.mul() or ctx.div() or ctx.I_REM():
if ctx.I_REM():
return BinaryOp(ctx.I_REM().getText(),
self.visit(ctx.getChild(0)),
self.visit(ctx.getChild(2)))
return BinaryOp(self.visit(ctx.getChild(1)),
self.visit(ctx.getChild(0)),
self.visit(ctx.getChild(2)))
elif ctx.add() or ctx.sub():
return BinaryOp(self.visit(ctx.getChild(1)),
self.visit(ctx.getChild(0)),
self.visit(ctx.getChild(2)))
elif ctx.AND() or ctx.OR():
return BinaryOp(
ctx.getChild(1).getText(), self.visit(ctx.getChild(0)),
self.visit(ctx.getChild(2)))
else:
a = self.visit(ctx.getChild(1))
b = self.visit(ctx.getChild(0))
c = self.visit(ctx.getChild(2))
return BinaryOp(a, b, c)
def visitExp(self, ctx: BKITParser.ExpContext):
if ctx.getChildCount() > 1:
left = self.visit(ctx.exp1()[0])
right = self.visit(ctx.exp1()[1])
if ctx.EQ():
op = str(ctx.EQ().getText())
if ctx.LTE():
op = str(ctx.LTE().getText())
if ctx.GTE():
op = str(ctx.GTE().getText())
if ctx.NEQ():
op = str(ctx.NEQ().getText())
if ctx.LT():
op = str(ctx.LT().getText())
if ctx.GT():
op = str(ctx.GT().getText())
if ctx.LTEF():
op = str(ctx.LTEF().getText())
if ctx.GTEF():
op = str(ctx.GTEF().getText())
if ctx.NEQF():
op = str(ctx.NEQF().getText())
if ctx.LTF():
op = str(ctx.LTF().getText())
if ctx.GTF():
op = str(ctx.GTF().getText())
return BinaryOp(op, left, right)
else:
return self.visit(ctx.exp1()[0])
def visitExp(self, ctx: BKITParser.ExpContext):
if ctx.getChildCount() == 3:
return BinaryOp(
ctx.getChild(1).getText(), self.visit(ctx.getChild(0)),
self.visit(ctx.getChild(2)))
else:
return self.visit(ctx.exp2())
def visitExp(self, ctx: BKITParser.ExpContext):
if ctx.getChildCount() == 1:
return self.visitChildren(ctx)
elif ctx.EQ():
op = "=="
elif ctx.getChild(1) == ctx.NOEQ():
op = "!="
elif ctx.getChild(1) == ctx.LESS():
op = "<"
elif ctx.getChild(1) == ctx.GREAT():
op = ">"
elif ctx.getChild(1) == ctx.LEEQ():
op = "<="
elif ctx.getChild(1) == ctx.GREQ():
op = ">="
elif ctx.getChild(1) == ctx.NOEQF():
op = "=/="
elif ctx.getChild(1) == ctx.LEF():
op = "<."
elif ctx.getChild(1) == ctx.GRF():
op = ">."
elif ctx.getChild(1) == ctx.LEQF():
op = "<=."
elif ctx.getChild(1) == ctx.GEQF():
op = ">=."
return BinaryOp(op, self.visit(ctx.exp()), self.visit(ctx.exp1()))
def visitExp(self,ctx:BKITParser.ExpContext):
if ctx.getChildCount() == 1:
return self.visit(ctx.exp1(0))
else:
if ctx.ASSIGN():
return BinaryOp(ctx.ASSIGN().getText(),self.visit(ctx.exp1(0)),self.visit(ctx.exp1(1)))
elif ctx.NOTEQ():
return BinaryOp(ctx.NOT_EQUAL().getText(),self.visit(ctx.exp1(0)),self.visit(ctx.exp1(1)))
elif ctx.LESS_THAN():
return BinaryOp(ctx.LT().getText(),self.visit(ctx.exp1(0)),self.visit(ctx.exp1(1)))
elif ctx.GREATER_THAN():
return BinaryOp(ctx.GT().getText(),self.visit(ctx.exp1(0)),self.visit(ctx.exp1(1)))
elif ctx.LTOE():
return BinaryOp(ctx.ASSIGN().getText(),self.visit(ctx.exp1(0)),self.visit(ctx.exp1(1)))
elif ctx.GTOE():
return BinaryOp(ctx.GET().getText(),self.visit(ctx.exp1(0)),self.visit(ctx.exp1(1)))
elif ctx.ASSIGNFLOAT():
return BinaryOp(ctx.ASSIGNFLOAT().getText(),self.visit(ctx.exp1(0)),self.visit(ctx.exp1(1)))
elif ctx.LTOEFLOAT():
return BinaryOp(ctx.LETFLOAT().getText(),self.visit(ctx.exp1(0)),self.visit(ctx.exp1(1)))
elif ctx.GTOEFLOAT():
return BinaryOp(ctx.GETFLOAT().getText(),self.visit(ctx.exp1(0)),self.visit(ctx.exp1(1)))
elif ctx.LESS_THAN_FLOAT():
return BinaryOp(ctx.LTFLOAT().getText(),self.visit(ctx.exp1(0)),self.visit(ctx.exp1(1)))
elif ctx.GREATER_THAN_FLOAT():
return BinaryOp(ctx.GTFLOAT().getText(),self.visit(ctx.exp1(0)),self.visit(ctx.exp1(1)))
def visitExp(self, ctx: BKITParser.ExpContext):
# BinaryOP:
if ctx.getChildCount() == 1:
return self.visit(ctx.exp1(0))
else:
left = self.visit(ctx.exp1(0))
right = self.visit(ctx.exp1(1))
return BinaryOp(ctx.getChild(1).getText(), left, right)
def visitExp(self, ctx: BKITParser.ExpContext):
if ctx.getChildCount() == 1: #exp1
return self.visit(ctx.exp1(0)) if ctx.exp1() else None
op = ctx.getChild(1).getText()
left = self.visit(ctx.exp1(0)) if ctx.exp1() else None
right = self.visit(ctx.exp1(1)) if ctx.exp1() else None
return BinaryOp(op, left, right)
def visitExp(self, ctx: BKITParser.ExpContext):
if ctx.getChildCount() == 1: return self.visit(ctx.exp1(0))
else:
return BinaryOp(self.visit(ctx.relational()),
self.visit(ctx.exp1(0)), self.visit(ctx.exp1(1)))
def visitExp(self, ctx: BKITParser.ExpContext):
# term
if (ctx.getChildCount() == 1):
return ctx.term().accept(self)
# term ASSIGN exp
return Binary(ctx.ASSIGN().getText(), ctx.term().accept(self), ctx.exp().accept(self))