public override void Compile(ByteCode bc)
{
using (bc.EnterSource(m_Ref))
{
if (m_Expression != null)
{
m_Expression.Compile(bc);
bc.Emit_Ret(1);
}
else
{
bc.Emit_Ret(0);
}
}
}
public override void Compile(ByteCode bc)
{
var meta = bc.Emit_FuncMeta("<chunk-root>");
var metaip = bc.GetJumpPointForLastInstruction();
bc.Emit_BeginFn(m_StackFrame);
bc.Emit_Args(m_VarArgs);
bc.Emit_Literal(DynValue.NewTable(m_GlobalEnv));
bc.Emit_Store(m_Env, 0, 0);
bc.Emit_Pop();
m_Block.Compile(bc);
bc.Emit_Ret(0);
meta.NumVal = bc.GetJumpPointForLastInstruction() - metaip;
}
public int CompileBody(ByteCode bc, string friendlyName)
{
var funcName = friendlyName ?? ("<" + m_Begin.FormatLocation(bc.Script, true) + ">");
bc.PushSourceRef(m_Begin);
var I = bc.Emit_Jump(OpCode.Jump, -1);
var meta = bc.Emit_FuncMeta(funcName);
var metaip = bc.GetJumpPointForLastInstruction();
bc.Emit_BeginFn(m_StackFrame);
bc.LoopTracker.Loops.Push(new LoopBoundary());
var entryPoint = bc.GetJumpPointForLastInstruction();
if (m_GlobalEnv != null)
{
bc.Emit_Literal(DynValue.NewTable(m_GlobalEnv));
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();
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);
Instruction I = bc.Emit_Jump(OpCode.Jump, -1);
Instruction meta = bc.Emit_Meta(funcName, OpCodeMetadataType.FunctionEntrypoint);
int metaip = bc.GetJumpPointForLastInstruction();
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();
I.NumVal = bc.GetJumpPointForNextInstruction();
meta.NumVal = bc.GetJumpPointForLastInstruction() - metaip;
bc.PopSourceRef();
return entryPoint;
}
