def p_identifier(p):
'''identifier : ID'''
symbol_table = main_table.get_table(main_table.inScope-1)
if(dec==1):
ret = symbol_table.check_existing(p[1])
if ret ==-1:
print("Redeclaration of variable:",p[1])
sys.exit()
elif(p[-1] is None):
p[0] = AST.Identifier(p[1],idtype = p[-2].type)
symbol_table.add_type(p[-2].type,p[0])
else:
p[0] = AST.Identifier(p[1],idtype = p[-2].type+p[-1]['type'])
symbol_table.add_type(p[-2].type+p[-1]['type'],p[0])
else:
#return sym table entry
symbol_table.check_existing(p[1])
node = get_node(symbol_table,p[1])
if node != -1:
p[0] = node
else:
print("Variable undeclared or outOfScope!")
sys.exit()
if(threeAC.switch_cond==1):
threeAC.AddToTable(p[1],'',"id")
threeAC.switch_cond=0
def p_directDec(p):
'''directDec : identifier
| identifier arrayDec'''
#| LEFTCURLYBRACKET declarator RIGHTCURLYBRACKET
#| directDec LEFTCURLYBRACKET idList RIGHTCURLYBRACKET
#| directDec LPAREN parTypeList RPAREN
if(len(p)==3):
symbol_table = main_table.get_table(main_table.inScope-1)
p[1].changeToArray(p[2]['val'])
symbol_table.change_array(p[2]['val'])
p[0]=p[1]
def get_node(symtab,val): while(True): indicies = [index for index, value in enumerate(symtab.variables) if value == val] if len(indicies)>0: for x in indicies: if symtab.symtab[indicies[0]][0][1]!=None: return symtab.symtab[indicies[0]][1] if symtab.outScope > 0: symtab = main_table.get_table(symtab.outScope-1) else: return -1