AssignNode MakeDictAssign(DictGetNode n, ExprNode n1, Lexer.TokenType op, Lexer.Position pos)
{
if (op == Lexer.TokenType.TOK_ASSIGN)
{
return(new AsgDictNode(n.Left, n.Right, n1, pos));
}
switch (op)
{
case Lexer.TokenType.TOK_PLUS:
case Lexer.TokenType.TOK_MINUS:
case Lexer.TokenType.TOK_MUL:
case Lexer.TokenType.TOK_DIV:
case Lexer.TokenType.TOK_MOD:
case Lexer.TokenType.TOK_SHL:
case Lexer.TokenType.TOK_SHR:
//case Lexer.TokenType.TOK_NOTAR:
case Lexer.TokenType.TOK_AND:
case Lexer.TokenType.TOK_OR:
case Lexer.TokenType.TOK_XOR:
case Lexer.TokenType.TOK_PLUSPLUS:
case Lexer.TokenType.TOK_MINUSMINUS:
case Lexer.TokenType.FTOK_PLUSPLUS_PREF:
case Lexer.TokenType.FTOK_MINUSMINUS_PREF:
return(new AsgArifmDictNode(n.Left, n.Right, n1, op, pos));
}
throw new ParserException("Can't assign to " + n.OpType, pos);
}
ExprNode Expr_P()
{
var n = Term();
while (Lexer.Token == Lexer.TokenType.TOK_LSB ||
Lexer.Token == Lexer.TokenType.TOK_LPAR ||
Lexer.Token == Lexer.TokenType.TOK_DOT)
{
var pos = Lexer.Describe();
if (Lexer.Token == Lexer.TokenType.TOK_LSB)
{
Lexer.NextToken();
var n1 = Expr();
if (Lexer.Token != Lexer.TokenType.TOK_RSB)
{
throw new ParserException("] expected", Lexer.Describe());
}
n = new DictGetNode(n, n1, pos);
Lexer.NextToken();
}
else if (Lexer.Token == Lexer.TokenType.TOK_DOT)
{
var pos2 = Lexer.Describe();
Lexer.NextToken();
if (Lexer.Token != Lexer.TokenType.TOK_ID)
{
throw new ParserException("Identifier expected", Lexer.Describe());
}
var field = Lexer.Ident.ToString();
n = new DictGetNode(n, new StringNode(field, pos2), pos);
Lexer.NextToken();
}
else
{
var n1 = ParenExpr();
n = new CallNode(n, n1, pos);
}
}
return(n);
}