public void Visit(FunctionCallStmt funcCallStmt, object[] args)
{
//检查存在性！
funcCallStmt.Name = reader.Name;
funcCallStmt.ParamMap = new Dictionary <string, FireEngine.FireMLEngine.Expr.Expression>();
int attCount = reader.AttributeCount;
for (int i = 0; i < attCount; i++)
{
reader.MoveToAttribute(i);
if (reader.Name == "return")
{
funcCallStmt.ReturnDest = exprParser.ParseLeftValueExpr(reader.Value,
new Location(file, reader.LineNumber, reader.LinePosition).Offset(reader.Name.Length + 2)); //TODO: Location
}
else if (reader.Name == "par")
{
//FINISH: 解析参数字串！
string[] paraStrList = ParaStrProcessor.ReadParaCallList(reader.Value);
if (paraStrList == null)
{
kernel.IssueError(ErrorType.ParaStrCallFormatError, getCurrentLoc(), reader.Value);
}
else
{
funcCallStmt.ParaStr = paraStrList;
}
}
else
{
//先把实参按字符串暂存，之后扫描AST树时再按指定类型解析
funcCallStmt.ParamMap.Add(reader.Name,
exprParser.CreateStringConst(reader.Value,
new Location(file, reader.LineNumber, reader.LinePosition).Offset(reader.Name.Length + 2) //TODO: Location
));
}
}
}
public void Visit(FunctionDef functionDef, object[] args)
{
Location location = new Location(file, reader.LineNumber, reader.LinePosition);
functionDef.ParaMap = new Dictionary <string, ParameterDef>();
functionDef.FuncDefContent = new List <Statement>();
//funcParaStrMap.Add(functionDef.Name, new List<string>());
functionDef.ParaStrMap = new Dictionary <int, string[]>();
while (reader.Read())
{
reader.MoveToContent();
switch (reader.NodeType)
{
case XmlNodeType.Element:
switch (dic[reader.Name])
{
case "para":
reader.MoveToAttribute("name");
string parName = reader.Value;
parName = parName.Substring(1, parName.Length - 1); //去掉$符
if (functionDef.ParaMap.ContainsKey(parName))
{
kernel.IssueError(ErrorType.DuplicatedParameter,
new Location(file, reader.LineNumber, reader.LinePosition),
parName,
functionDef.Name
);
continue;
}
ParameterDef parDef = new ParameterDef();
parDef.Location = location;
parDef.Parent = functionDef;
functionDef.ParaMap.Add(parName, parDef);
parDef.Accept(this);
break;
case "parastr":
//funcParaStrMap[functionDef.Name].Add(reader.ReadString());
string paraStrDef = reader.ReadString();
string[] paraStr = ParaStrProcessor.ReadDefVarList(paraStrDef);
if (paraStr == null)
{
kernel.IssueError(ErrorType.ParaStrDefFormatError, getCurrentLoc(), paraStrDef);
}
else if (functionDef.ParaStrMap.ContainsKey(paraStr.Length))
{
kernel.IssueError(ErrorType.SameNumberInParaStr, getCurrentLoc());
}
else
{
foreach (string varName in paraStr)
{
if (!functionDef.ParaMap.ContainsKey(varName))
{
kernel.IssueError(ErrorType.ParameterNotDefined, getCurrentLoc(), varName);
}
}
functionDef.ParaStrMap.Add(paraStr.Length, paraStr);
}
break;
case "funcdef":
if (reader.IsEmptyElement)
{
break;
}
visitMainContent(functionDef, functionDef.FuncDefContent);
break;
default:
break;
}
break;
case XmlNodeType.EndElement:
reader.Read();
return;
}
}
}
