| private CreateInstance ( ScriptProcessor processor, SObject parameters, bool executeCtor ) : SProtoObject | ||
| processor | ScriptProcessor | |
| parameters | SObject | |
| executeCtor | bool | |
| return | SProtoObject | |
/// <summary>
/// Creates an instance of the given prototype.
/// </summary>
internal SObject CreateInstance(Prototype prototype, SObject[] parameters)
{
if (!prototype.IsAbstract)
return prototype.CreateInstance(_processor, parameters, true);
else
return _processor.ErrorHandler.ThrowError(ErrorType.TypeError, ErrorHandler.MESSAGE_TYPE_ABSTRACT_NO_INSTANCE);
}
/// <summary>
/// Parses an anonymous object.
/// </summary>
internal static SProtoObject Parse(ScriptProcessor processor, string source)
{
var prototype = new Prototype(LITERAL_OBJECT);
source = source.Trim();
// Format: { member1 : content1, member2 : content2 }
// Remove "{" and "}":
source = source.Remove(source.Length - 1, 1).Remove(0, 1).Trim();
if (source.Length == 0)
return prototype.CreateInstance(processor, null, false);
var index = 0;
var identifier = "";
var content = "";
SObject contentObj = null;
while (index < source.Length)
{
var nextSeperatorIndex = source.IndexOf(",", index);
if (nextSeperatorIndex == -1)
{
nextSeperatorIndex = source.Length;
}
else
{
//Let's find the correct ",":
nextSeperatorIndex = index;
var depth = 0;
StringEscapeHelper escaper = new LeftToRightStringEscapeHelper(source, nextSeperatorIndex, true);
var foundSeperator = false;
while (!foundSeperator && nextSeperatorIndex < source.Length)
{
var t = source[nextSeperatorIndex];
escaper.CheckStartAt(nextSeperatorIndex);
if (!escaper.IsString)
{
if (t == '{' || t == '[' || t == '(')
{
depth++;
}
else if (t == '}' || t == ']' || t == ')')
{
depth--;
}
else if (t == ',' && depth == 0)
{
foundSeperator = true;
nextSeperatorIndex--; // it adds one to the index at the end of the while loop, but we need the index where we stopped searching, so we subtract 1 here to accommodate for that.
}
}
nextSeperatorIndex++;
}
}
var member = source.Substring(index, nextSeperatorIndex - index);
if (member.Contains(":"))
{
identifier = member.Remove(member.IndexOf(":")).Trim();
content = member.Remove(0, member.IndexOf(":") + 1);
contentObj = processor.ExecuteStatement(new ScriptStatement(content));
}
else
{
identifier = member.Trim();
contentObj = processor.Undefined;
}
if (!ScriptProcessor.IsValidIdentifier(identifier))
processor.ErrorHandler.ThrowError(ErrorType.SyntaxError, ErrorHandler.MESSAGE_SYNTAX_MISSING_VAR_NAME);
prototype.AddMember(processor, new PrototypeMember(identifier, contentObj));
index = nextSeperatorIndex + 1;
}
return prototype.CreateInstance(processor, null, false);
}