def visitExp1(self, ctx: MPParser.Exp1Context):
if ctx.getChildCount() == 1:
return self.visit(ctx.exp2(0))
else:
return BinaryOp(
ctx.getChild(1).getText(), self.visit(ctx.exp2(0)),
self.visit(ctx.exp2(1)))
def visitExp1(self, ctx: MPParser.Exp1Context):
if ctx.getChildCount() == 1: # exp2
return self.visit(ctx.exp2(0))
left = self.visit(ctx.exp2(0))
right = self.visit(ctx.exp2(1))
op = ctx.getChild(1).getText()
return BinaryOp(op, left, right)
def visitExp1(self, ctx: MPParser.Exp1Context):
#exp1 ADDOP exp2| exp1 OROP exp2 | exp2;
# if ctx.ADDOP():
# return BinaryOp(ctx.ADDOP().getText(),
# self.visit(ctx.exp1()),
# self.visit(ctx.exp2()))
# elif ctx.OROP():
# return BinaryOp(ctx.OROP().getText(),
# self.visit(ctx.exp1()),
# self.visit(ctx.exp2()))
# else:
# return self.visit(ctx.exp2())
if ctx.getChildCount() == 3:
if ctx.ADDOP():
return BinaryOp(ctx.ADDOP().getText(), self.visit(ctx.exp1()),
self.visit(ctx.exp2()))
elif ctx.SUBOP():
return BinaryOp(ctx.SUBOP().getText(), self.visit(ctx.exp1()),
self.visit(ctx.exp2()))
elif ctx.OROP():
return BinaryOp(ctx.OROP().getText(), self.visit(ctx.exp1()),
self.visit(ctx.exp2()))
else:
return self.visit(ctx.exp2())
def visitExp1(self, ctx: MPParser.Exp1Context):
if ctx.getChildCount() == 3:
if ctx.EQUAL():
return BinaryOp(ctx.EQUAL().getText(), self.visit(ctx.exp2(0)),
self.visit(ctx.exp2(1)))
elif ctx.NOTEQUAL():
return BinaryOp(ctx.NOTEQUAL().getText(),
self.visit(ctx.exp2(0)),
self.visit(ctx.exp2(1)))
elif ctx.LESS():
return BinaryOp(ctx.LESS().getText(), self.visit(ctx.exp2(0)),
self.visit(ctx.exp2(1)))
elif ctx.LESSEQUAL():
return BinaryOp(ctx.LESSEQUAL().getText(),
self.visit(ctx.exp2(0)),
self.visit(ctx.exp2(1)))
elif ctx.GREATER():
return BinaryOp(ctx.GREATER().getText(),
self.visit(ctx.exp2(0)),
self.visit(ctx.exp2(1)))
elif ctx.GREATEREQUAL():
return BinaryOp(ctx.GREATEREQUAL().getText(),
self.visit(ctx.exp2(0)),
self.visit(ctx.exp2(1)))
else:
return self.visit(ctx.exp2(0))
def visitExp1(self, ctx: MPParser.Exp1Context):
'''exp1: exp2 EQUAL exp2 | exp2 NOTEQUAL exp2 | exp2 LESSTHAN exp2 | exp2 GREATERTHAN exp2 | exp2 LESSEQUAL exp2 | exp2 GREATEREQUAL exp2 | exp2;'''
return BinaryOp(
ctx.getChild(1).getText(), self.visit(ctx.exp2(0)),
self.visit(
ctx.exp2(1))) if ctx.getChildCount() == 3 else self.visit(
ctx.exp2(0))
def visitExp1(self, ctx:MPParser.Exp1Context):
if ctx.getChildCount() == 3:
exp0 = self.visit(ctx.exp2(0))
exp1 = self.visit(ctx.exp2(1))
op = self.visit(ctx.relationalOperator())
return BinaryOp(op,exp0,exp1)
else:
return self.visit(ctx.exp2(0))
def visitExp1(self, ctx: MPParser.Exp1Context):
if ctx.getChildCount() == 1:
return self.visit(ctx.exp2(0))
op = ctx.getChild(1).getText()
exp2_1 = self.visit(ctx.exp2(0))
exp2_2 = self.visit(ctx.exp2(1))
return BinaryOp(op, exp2_1, exp2_2)