public Script()
{
// 寄存器初始化
_ret_val = new Op {
type = OpType.Null
};
funcTable = new FuncTable();
symbolTable = new SymbolTable();
labelTable = new LabelTable();
stringTable = new StringTable();
instrStream = new InstrStream();
stack = new RuntimeStack();
// 初始化运行时堆栈大小
stack.SetStackSize(1024);
}
internal ILData(ILInstructionsAttribute atrib, FieldBinder fields, MethodBinder methods, LocalBinder locals, ArgBinder args, Pass pass)
{
//int ct = 0;
this.canEmit = false;
this.localDatas = new();
this.instructionEmitters = new();
foreach (var v in locals.arr)
{
this.localDatas.Add(v);
}
var stream = new InstrStream(atrib);
var bindContext = new BindContext(fields, methods, locals, args);
var labelManager = this.lblMgr = new LabelManager();
labelManager.logger = pass.logger;
var currentLabels = new List <String>();
while (!stream.IsFinished())
{
while (stream.Read(out LabelToken tok))
{
stream.Advance(1);
currentLabels.Add(tok.name);
}
if (stream.Read(out Op op))
{
stream.Advance(1);
var emitter = pass.OpToEmitter(op, stream, labelManager.AddCallback, bindContext);
if (emitter is null)
{
//pass.logger.Error("No emitter produced");
return;
}
//pass.logger.Message($"Successfully got emitter");
var ctx = new EmitterContext(emitter);
//pass.logger.Message($"Successfully got emitcontext");
this.instructionEmitters.Add(ctx);
//pass.logger.Message($"Successfully added emitcontext, handling labels");
foreach (var l in currentLabels)
{
//pass.logger.Message($"Applying label {l}");
if (!labelManager.LabelCreated(l, ctx))
{
pass.logger.Error("Duplicate label");
return;
}
}
currentLabels.Clear();
}
else
{
pass.logger.Error("Expected Op or Label");
return;
}
}
//pass.logger.Message($"{ct++}");
pass.logger.Message($"Building emit data successful");
this.canEmit = true;
}
