public static void Term(GATNode node)
{
int childnum = node.ChildCount();
string mulop = "";
GATNode child;
Console.WriteLine(System.Reflection.MethodBase.GetCurrentMethod().ReflectedType.FullName);
child = node.getChild(0);
node.SetProperty("value", child.GetProperty("value"));
for (int i = 1; i < childnum; i++)
{
child = node.getChild(i);
if (child.GetProperty("value") == "*")
{
mulop = "*";
}
else if (child.GetProperty("value") == "/")
{
mulop = "/";
}
else//有待解决如何记录结果
{
CodeGenerator.AddCode(mulop, node.GetProperty("value"), child.GetProperty("value"), "T" + CodeGenerator.tempnum);
Console.WriteLine(mulop + " " + node.GetProperty("value") + " " + child.GetProperty("value") + " " + "T" + CodeGenerator.tempnum);
node.SetProperty("value", "T" + CodeGenerator.tempnum);
CodeGenerator.tempnum++;
}
}
}
public static void Call(GATNode node)
{
//TODO:支持参数表，栈帧处理
Console.WriteLine(System.Reflection.MethodBase.GetCurrentMethod().ReflectedType.FullName);
var processName = node.getChild(0).GetProperty("value");
var args = node.getChild(1);
var argNum = args.ChildCount();
if (argNum == 0)
{
CodeGenerator.CallFunction(processName, new List <string>());
node.SetProperty("value", "void");
}
else
{
var paramList = new List <string>();
var argList = args.getChild(0);
for (int i = 0; i < argList.ChildCount(); i++)
{
paramList.Add(argList.getChild(i).GetProperty("value"));
}
var retNode = CodeGenerator.CallFunction(processName, paramList);
node.SetProperty("value", retNode);
}
}
public static void Var(GATNode node)
{
Console.WriteLine(System.Reflection.MethodBase.GetCurrentMethod().ReflectedType.FullName);
GATNode IDnode = node.getChild(0);
node.SetProperty("value", IDnode.GetProperty("value"));
}
public static void varDeclaration(GATNode node)
{
Console.WriteLine(System.Reflection.MethodBase.GetCurrentMethod().ReflectedType.FullName);
string type, id;
type = node.getChild(0).GetProperty("value");
id = node.getChild(1).GetProperty("value");
node.SetProperty("value", id);
node.SetProperty("type", type);
GATNode process = node.GetParent();
while (process.name == "")
{
process = process.GetParent();
}
CodeGenerator.AddSymbol(node.GetProperty("value"), process.name, null);
}
public static void Expression1(GATNode node)
{
//simple expression
GATNode child;
Console.WriteLine(System.Reflection.MethodBase.GetCurrentMethod().ReflectedType.FullName);
child = node.getChild(0);
node.SetProperty("value", child.GetProperty("value"));
}
public static void Expression2(GATNode node)
{
//var = expression
GATNode left, right;
Console.WriteLine(System.Reflection.MethodBase.GetCurrentMethod().ReflectedType.FullName);
left = node.getChild(0);
right = node.getChild(1);
node.SetProperty("value", left.GetProperty("value"));
CodeGenerator.AddCode("=", right.GetProperty("value"), null, left.GetProperty("value"));
Console.WriteLine("=" + " " + right.GetProperty("value") + " " + "\t" + " " + left.GetProperty("value"));
}
public static void typeSpecifier2(GATNode node)
{
node.SetProperty("value", "VOID");
Console.WriteLine("typeSpecifier2");
}