//返回一个调用函数 Object
private CodeCallFunction GetFunction(CodeObject member)
{
CodeCallFunction ret = new CodeCallFunction();
ReadLeftParenthesis();
List<CodeObject> pars = new List<CodeObject>();
Token token = PeekToken();
while (token.Type != TokenType.RightPar)
{
pars.Add(GetObject());
token = PeekToken();
if (token.Type == TokenType.Comma)
ReadComma();
else if (token.Type == TokenType.RightPar)
break;
else
throw new ParserException("Comma ',' or right parenthesis ')' expected in function declararion.", token);
}
ReadRightParenthesis();
ret.Member = member;
ret.Parameters = pars;
return ret;
}
ScriptObject ParseCall(CodeCallFunction scriptFunction, bool needRet)
{
ScriptObject obj = ResolveOperand(scriptFunction.Member);
int num = scriptFunction.ParametersCount;
ScriptObject[] parameters = new ScriptObject[num];
for (int i = 0; i < num; ++i) {
//此处要调用Assign 如果传入number string等基础类型 在函数内自运算的话 会影响 传入的值
parameters[i] = ResolveOperand(scriptFunction.Parameters[i]).Assign();
}
m_script.PushStackInfo();
object ret = obj.Call(parameters);
m_script.PopStackInfo();
return needRet ? m_script.CreateObject(ret) : null;
}
ScriptObject ParseCall(CodeCallFunction scriptFunction, bool needRet)
{
ScriptObject obj = ResolveOperand(scriptFunction.Member);
int num = scriptFunction.Parameters.Count;
ScriptObject[] parameters = new ScriptObject[num];
for (int i = 0; i < num; ++i) {
parameters[i] = ResolveOperand(scriptFunction.Parameters[i]);
}
m_script.PushStackInfo();
object ret = obj.Call(parameters);
return needRet ? m_script.CreateObject(ret) : null;
}