private void ParseIntDeclaration(out Expr expr)
{
Token ident = _scanner.GetToken();
if (ident.Kind == ByteCodeIdentifiers.TokenCode.SquareBracketLeft)
{
}
else
{
ident = _scanner.GetToken();
}
expr = new IdentifierExpression(ident);
}
internal IdentifierExpression(Token token, IdentifierExpression nested)
: this(token)
{
this.nestedExpression = nested;
}
private IdentifierExpression DetermineNextToken(Token t)
{
if (t != null && t.IsReserverdWord())
{
Token next = _scanner.GetToken();
Expr currentScope = null;
if (_expressionScopeStack.Count > 0)
{
currentScope = _expressionScopeStack.Peek();
}
if (next.IsReserverdWord())
{
throw new NireExecutionException("a reserverd word cannot be used in the expression");
}
if (next.IsIdentifier() && !next.isOperator)
{
var identExpression = new IdentifierExpression(t, new IdentifierExpression(next));
SymbolTable.CreateInstance().AddTokenToScope(currentScope, identExpression);
return identExpression;
}
}
else
{
var isParen = _scanner.Peek();
if (isParen.Kind == ByteCodeIdentifiers.TokenCode.LParen)
{
new ParserContext(ParserContextEnum.FuncExecution);
//_scanner.GetToken();
}
Expr defaultScope = _expressionScopeStack.Peek();
var funcExpression = new IdentifierExpression(t);
SymbolTable.CreateInstance().AddTokenToScope(defaultScope, funcExpression);
return funcExpression;
}
return null;
}