public override void Compile(Execution.VM.ByteCode bc) { m_Exp1.Compile(bc); if (m_Operator == Operator.Or) { Instruction i = bc.Emit_Jump(OpCode.JtOrPop, -1); m_Exp2.Compile(bc); i.NumVal = bc.GetJumpPointForNextInstruction(); return; } if (m_Operator == Operator.And) { Instruction i = bc.Emit_Jump(OpCode.JfOrPop, -1); m_Exp2.Compile(bc); i.NumVal = bc.GetJumpPointForNextInstruction(); return; } if (m_Exp2 != null) { m_Exp2.Compile(bc); } bc.Emit_Operator(OperatorToOpCode(m_Operator)); if (ShouldInvertBoolean(m_Operator)) bc.Emit_Operator(OpCode.Not); }
public override void Compile(Execution.VM.ByteCode bc) { List<Instruction> endJumps = new List<Instruction>(); Instruction lastIfJmp = null; foreach (var ifblock in m_Ifs) { using (bc.EnterSource(ifblock.Source)) { if (lastIfJmp != null) lastIfJmp.NumVal = bc.GetJumpPointForNextInstruction(); ifblock.Exp.Compile(bc); lastIfJmp = bc.Emit_Jump(OpCode.Jf, -1); bc.Emit_Enter(ifblock.StackFrame); ifblock.Block.Compile(bc); } using (bc.EnterSource(m_End)) bc.Emit_Leave(ifblock.StackFrame); endJumps.Add(bc.Emit_Jump(OpCode.Jump, -1)); } lastIfJmp.NumVal = bc.GetJumpPointForNextInstruction(); if (m_Else != null) { using (bc.EnterSource(m_Else.Source)) { bc.Emit_Enter(m_Else.StackFrame); m_Else.Block.Compile(bc); } using (bc.EnterSource(m_End)) bc.Emit_Leave(m_Else.StackFrame); } foreach(var endjmp in endJumps) endjmp.NumVal = bc.GetJumpPointForNextInstruction(); }