def parse(self):
self.factor = Factor()
self.factor.parse()
if TokList.checkTok('MULT'):
TokList.nextToken()
self.term = Term()
self.term.parse()
def parse(self):
TokList.nextToken()
self.const = Const()
self.const.parse(TokList.getIdOrConst())
TokList.nextToken()
if TokList.currentToken() == 'COMMA':
self.constList = ConstList()
self.constList.parse()
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.id = Id()
#Passing in name of id to the parse function
self.id.parse(TokList.getIdOrConst())
TokList.nextToken()
if TokList.checkTok('COMMA'):
TokList.match('COMMA', 'id list')
self.id_list = IdList()
self.id_list.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):
self.term = Term()
self.term.parse()
if TokList.checkTok('PLUS'):
TokList.nextToken()
self.plusOrMinus = '+'
self.expr = Expr()
self.expr.parse()
elif TokList.checkTok('MINUS'):
TokList.nextToken()
self.plusOrMinus = '-'
self.expr = Expr()
self.expr.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):
if TokList.checkTok('CONST'):
self.const = Const()
self.const.parse(TokList.getIdOrConst())
TokList.nextToken()
elif TokList.checkTok('ID'):
self.id = Id()
self.id.parse(TokList.getIdOrConst())
TokList.nextToken()
elif TokList.match('LEFTPARAN', 'factor'):
self.expr = Expr.Expr()
self.expr.parse()
TokList.match('RIGHTPARAN', 'factor')
def parse(self):
TokList.match('IF', 'if')
self.cond = Cond()
self.cond.parse()
TokList.match('THEN', 'if')
self.stmt_seq_then = StmtSeq.StmtSeq()
self.stmt_seq_then.parse()
if TokList.checkTok('ELSE'):
TokList.nextToken()
self.stmt_seq_else = StmtSeq.StmtSeq()
self.stmt_seq_else.parse()
TokList.match('ENDIF', 'if')
TokList.match('SEMICOLON', 'if')
def parse(self):
if TokList.checkTok('NOT'):
self.notStr = '!'
TokList.nextToken()
TokList.match('LEFTPARAN', 'cond')
self.cond = Cond()
self.cond.parse()
TokList.match('RIGHTPARAN', 'cond')
return
self.cmpr = Cmpr()
self.cmpr.parse()
if TokList.checkTok('OR'):
TokList.nextToken()
self.cond = Cond()
self.cond.parse()
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()