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):
# 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.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)