def primarni_izraz(self):
curr_line = self.lines._iter
pprint("# primarni_izraz")
pprint(self.lines.get_line())
if self.check_expressions(["IDN"]):
idn = self.assert_leaf("IDN")
if self.table.contains(idn):
return self.table.get_var(idn)
elif self.table.is_JUST_declared(idn):
return self.table.get_function(idn)
else:
return self.parse_error(curr_line)
elif self.check_expressions(["BROJ"]):
expr = self.assert_leaf("BROJ")
if int(expr) < -2**31 or int(expr) >= 2**31:
return self.parse_error(curr_line)
return Expr("INT")
elif self.check_expressions(["ZNAK"]):
expr = self.assert_leaf("ZNAK")
if not len(expr) == 3 or ord(expr[1]) < 0 or ord(expr[1]) > 255:
return self.parse_error(curr_line)
return Expr("CHAR")
elif self.check_expressions(["NIZ_ZNAKOVA"]):
expr = self.assert_leaf("NIZ_ZNAKOVA")
if not is_valid_char_array(expr):
return self.parse_error(curr_line)
return Expr("CHAR", is_array = True)
elif self.check_expressions(["L_ZAGRADA", "<izraz>", "D_ZAGRADA"]):
self.assert_leaf("L_ZAGRADA")
expr = self.izraz()
self.assert_leaf("D_ZAGRADA")
return expr
else:
return self.parse_error(curr_line)
def primarni_izraz(self):
curr_line = self.lines._iter
pprint("# primarni_izraz")
pprint(self.lines.get_line())
if self.check_expressions(["IDN"]):
idn = self.assert_leaf("IDN")
global ide_fja
if ide_fja:
#zasad zanemarujemo varijable..
outputCode.addCommandToFunction(currFunction, 'CALL F_{}'.format(str(idn)))
if self.table.contains(idn):
idnValue = self.table.get_var(idn)
currRegister = outputCode.registers[idn]
nameReg = 'R' + str(currRegister)
if not r5:
outputCode.addCommandToFunction(currFunction, 'MOVE {}, R6'.format(nameReg))
# zapravo, mozemo ovo ostavit al treba nam i stog, za zbrajanje itd.
outputCode.addCommandToFunction(currFunction, 'PUSH R6')
# treba if al neka
if r5:
outputCode.addCommandToFunction(currFunction, 'PUSH R5')
return idnValue
elif self.table.is_JUST_declared(idn):
#print('Prepozno je da sad fja ide')
return self.table.get_function(idn)
else:
return self.parse_error(curr_line)
elif self.check_expressions(["BROJ"]):
global currLabel
expr = self.assert_leaf("BROJ")
num = int(expr)
currLabel = outputCode.generateLabel( "DW %D {}".format( num*currSign ) ) # sazad tu pisemo dw, stas
if int(expr) < -2**31 or int(expr) >= 2**31:
return self.parse_error(curr_line)
return Expr("INT")
elif self.check_expressions(["ZNAK"]):
expr = self.assert_leaf("ZNAK")
if not len(expr) == 3 or ord(expr[1]) < 0 or ord(expr[1]) > 255:
return self.parse_error(curr_line)
return Expr("CHAR")
elif self.check_expressions(["NIZ_ZNAKOVA"]):
expr = self.assert_leaf("NIZ_ZNAKOVA")
if not is_valid_char_array(expr):
return self.parse_error(curr_line)
return Expr("CHAR", is_array = True)
elif self.check_expressions(["L_ZAGRADA", "<izraz>", "D_ZAGRADA"]):
self.assert_leaf("L_ZAGRADA")
expr = self.izraz()
self.assert_leaf("D_ZAGRADA")
return expr
else:
return self.parse_error(curr_line)
