AssignNode MakeIdentAssign(IdentNode n, ExprNode n1, Lexer.TokenType op, Lexer.Position pos)
{
if (op == Lexer.TokenType.TOK_ASSIGN)
{
return(new AsgVarNode(n, 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 AsgArifmVarNode(n, n1, op, pos));
}
throw new ParserException("Can't assign to " + n.OpType, pos);
}
public DeclareVarNode(IdentNode name, ExprNode value, Lexer.Position pos) : base(ExprType.DeclareVar, pos)
{
Ident = name;
Value = value;
}
public AsgArifmVarNode(IdentNode l, ExprNode r, Lexer.TokenType op, Lexer.Position pos) : base(l, r, op, ExprType.AsgArifm, pos)
{
}
public AsgVarNode(IdentNode l, ExprNode r, Lexer.Position pos) : base(l, r, ExprType.AssignVar, pos)
{
}
