def parse(self):
self.id = Id()
self.id.parse(TokList.getIdOrConst())
TokList.nextToken()
TokList.match('ASSIGN', 'assign')
self.expr = Expr()
self.expr.parse()
TokList.match('SEMICOLON', 'assign')
def parse(self):
self.leftExpr = Expr()
self.leftExpr.parse()
if TokList.checkTok('EQUAL'):
self.checkValue = '='
TokList.nextToken()
elif TokList.checkTok('LESSTHAN'):
self.checkValue = '<'
TokList.nextToken()
elif TokList.checkTok('LESSTHANEQUAL'):
self.checkValue = '<='
TokList.nextToken()
else:
print('Error: improper syntax for comparator')
exit()
self.rightExpr = Expr()
self.rightExpr.parse()
def parse(self):
self.const = Const()
self.const.parse(TokList.getIdOrConst())
TokList.nextToken()
if TokList.currentToken() == 'COMMA':
self.constList = ConstList()
self.constList.parse()
TokList.match('COLON', 'case line')
self.expr = Expr()
self.expr.parse()
self.caseLineFollow = CaseLineFollow()
self.caseLineFollow.parse()
def parse(self):
TokList.match('CASE','case')
self.id = Id()
self.id.parse(TokList.getIdOrConst())
TokList.nextToken()
TokList.match('OF','case')
self.case_line = CaseLine()
self.case_line.parse()
TokList.match('ELSE','case')
self.expr = Expr()
self.expr.parse()
TokList.match('END','case')
TokList.match('SEMICOLON','case')
def parse(self):
TokList.match('OUTPUT', 'output')
self.expr = Expr()
self.expr.parse()
TokList.match('SEMICOLON', 'output')
