public override void Compile(ByteCode bc)
{
var meta = bc.Emit_Meta("<chunk-root>", OpCodeMetadataType.ChunkEntrypoint);
int metaip = bc.GetJumpPointForLastInstruction();
bc.Emit_BeginFn(_stackFrame);
bc.Emit_Args(_varArgs);
bc.Emit_Load(SymbolRef.Upvalue(WellKnownSymbols.ENV, 0));
bc.Emit_Store(_env, 0, 0);
bc.Emit_Pop();
_block.Compile(bc);
bc.Emit_Ret(0);
meta.NumVal = bc.GetJumpPointForLastInstruction() - metaip;
}
public int CompileBody(ByteCode bc, string friendlyName)
{
string funcName = friendlyName ?? $"<{_begin.FormatLocation(bc.Script)}>";
bc.PushSourceRef(_begin);
var I = bc.Emit_Jump(OpCode.Jump, -1);
var meta = bc.Emit_Meta(funcName, OpCodeMetadataType.FunctionEntrypoint);
int metaip = bc.GetJumpPointForLastInstruction();
bc.Emit_BeginFn(_stackFrame);
bc.LoopTracker.Loops.Push(new LoopBoundary());
int entryPoint = bc.GetJumpPointForLastInstruction();
if (_usesGlobalEnv)
{
bc.Emit_Load(SymbolRef.Upvalue(WellKnownSymbols.ENV, 0));
bc.Emit_Store(_env, 0, 0);
bc.Emit_Pop();
}
if (_paramNames.Length > 0)
{
bc.Emit_Args(_paramNames);
}
_statement.Compile(bc);
bc.PopSourceRef();
bc.PushSourceRef(_end);
bc.Emit_Ret(0);
bc.LoopTracker.Loops.Pop();
I.NumVal = bc.GetJumpPointForNextInstruction();
meta.NumVal = bc.GetJumpPointForLastInstruction() - metaip;
bc.PopSourceRef();
return(entryPoint);
}
public int CompileBody(ByteCode bc, string friendlyName)
{
string funcName = friendlyName ?? ("<" + this.m_Begin.FormatLocation(bc.Script, true) + ">");
bc.PushSourceRef(m_Begin);
int I = bc.Emit_Jump(OpCode.Jump, -1);
int meta = bc.Emit_Meta(funcName, OpCodeMetadataType.FunctionEntrypoint);
bc.Emit_BeginFn(m_StackFrame);
bc.LoopTracker.Loops.Push(new LoopBoundary());
int entryPoint = bc.GetJumpPointForLastInstruction();
if (m_UsesGlobalEnv)
{
bc.Emit_Load(SymbolRef.Upvalue(WellKnownSymbols.ENV, 0));
bc.Emit_Store(m_Env, 0, 0);
bc.Emit_Pop();
}
if (m_ParamNames.Length > 0)
{
bc.Emit_Args(m_ParamNames);
}
m_Statement.Compile(bc);
bc.PopSourceRef();
bc.PushSourceRef(m_End);
bc.Emit_Ret(0);
bc.LoopTracker.Loops.Pop();
bc.SetNumVal(I, bc.GetJumpPointForNextInstruction());
bc.SetNumVal(meta, bc.GetJumpPointForLastInstruction() - meta);
bc.PopSourceRef();
return(entryPoint);
}