//---------------------
// Парсер бинарных выражений
//---------------------
private static ASTNode MemberBinOperation()
{
ASTNode node = null;
switch (curTok.token)
{
case Tokens.Token.ID:
string nameID = curTok.subString;
Point point = new Point(curTok.y, curTok.x);
node = new IdentificatorAST(nameID, point);
GetNextToken();
if (curTok.token == Tokens.Token.BRACKET_L)
{
return(new IdentificatorAST(nameID, point, new BracketsAST(ParseBrackets(true)), true));
}
//return new BracketsAST(node, ParseBrackets(true));
return(node);
case Tokens.Token.STRING:
node = new StringAST(curTok.subString);
break;
case Tokens.Token.CHAR:
node = new CharAST(curTok.subString, new Point(curTok.y, curTok.x));
break;
case Tokens.Token.PARENTHESIS_L:
node = ParseParenthesis();
break;
case Tokens.Token.BOOL:
node = new BoolAST(curTok.subString, null, new Point(curTok.y, curTok.x));
break;
case Tokens.Token.INT_VALUE:
case Tokens.Token.DOUBLE_VALUE:
case Tokens.Token.X16_VALUE:
case Tokens.Token.X8_VALUE:
case Tokens.Token.X2_VALUE:
node = new NumAST(curTok.token, curTok.subString);
break;
default:
ConsoleHelper.WriteErrorAST("Impossible token in this area", curTok.y, curTok.x);
break;
}
GetNextToken();
return(node);
}
//---------------------
// Парсер метода
//---------------------
private static ASTNode ParseArgInMethod(bool isCall)
{
if (curTok.token == Tokens.Token.ID && isCall)
{
IdentificatorAST identificatorAST = new IdentificatorAST(curTok.subString, new Point(curTok.y, curTok.x));
return(identificatorAST);
}
else if (curTok.token == Tokens.Token.TYPE && !isCall)
{
return(ParseType(false, false));
}
else if (curTok.token == Tokens.Token.PARENTHESIS_R)
{
return(null);
}
else
{
ConsoleHelper.WriteErrorAST("Expected 'type' for identificator in method declaration", curTok.y, curTok.x);
}
return(null);
}
//---------------------
// Парсер id
//---------------------
private static ASTNode ParseId(string type, bool isArray)
{
bool isCall = type == "";
string idName = curTok.subString;
string typeId = type == "" ? GetTypeID(idName) : type;
ASTNode id = new IdentificatorAST(typeId, idName, new Point(curTok.y, curTok.x), isArray);
GetNextToken();
Point point = new Point(curTok.y, curTok.x);
// массив
if (curTok.token == Tokens.Token.BRACKET_L)
{
ASTNode memberBrackets = ParseBrackets(true);
isArray = true;
BracketsAST brackets = new BracketsAST(memberBrackets);
if (curTok.token == Tokens.Token.ASSIGNMENT)
{
return(new IdentificatorAST(typeId, idName, ParseInitID(), brackets, point, true));
}
}
if (curTok.token == Tokens.Token.CREMENT)
{
return(ParseCrement(id));
}
if (curTok.token == Tokens.Token.PARENTHESIS_L)
{
return(ParseMethod("", idName, isCall));
}
else if (curTok.token == Tokens.Token.ASSIGNMENT)
{
return(new IdentificatorAST(typeId, idName, ParseInitID(), point, isArray));
}
return(id);
}
private static List <ASTNode> ParseDeclaredVarInFor()
{
List <ASTNode> declaredVar = new List <ASTNode>();
string generalType = null;
bool isComm = true;
bool isFirst = true;
while (true)
{
GetNextToken();
if (curTok.token == Tokens.Token.TYPE && isComm && isFirst)
{
generalType = curTok.subString;
ASTNode id = ParseType(false, false);
if (id != null)
{
declaredVar.Add(id);
}
}
else if (curTok.token == Tokens.Token.ID && isComm)
{
isFirst = false;
ASTNode id = null;
string idName = curTok.subString;
GetNextToken();
if (curTok.token == Tokens.Token.ASSIGNMENT)
{
string typeId = GetTypeID(idName);
if (typeId == null && generalType == null)
{
ConsoleHelper.WriteErrorAST("ID not init", curTok.y, curTok.x);
return(null);
}
else if (typeId == null && generalType != null && !isFirst)
{
Point point = new Point(curTok.y, curTok.x);
ASTNode expr = ParseInitID();
id = new IdentificatorAST(typeId, idName, expr, point, false);
declaredVar.Add(id);
}
else
{
ConsoleHelper.WriteErrorAST("ID not init", curTok.y, curTok.x);
return(null);
}
}
else
{
ConsoleHelper.WriteErrorAST("Expected '=", curTok.y, curTok.x);
}
isComm = curTok.token == Tokens.Token.COMM;
}
else if (curTok.token == Tokens.Token.SEMILICON)
{
break;
}
else
{
ConsoleHelper.WriteErrorAST("Ecpected 'type' or 'id'", curTok.y, curTok.x);
return(null);
}
if (curTok.token == Tokens.Token.SEMILICON)
{
break;
}
}
return(declaredVar);
}
