public override Intermediate.IRNode Emit(CompileContext context, Model.Scope scope, Target target)
{
var r = new TransientNode();
if (_struct.size == 0) throw new InternalError("Struct size not yet determined");
r.AddInstruction(Instructions.SET, target.GetOperand(TargetUsage.Push),
Constant((ushort)_struct.size));
return r;
}
public override Intermediate.IRNode Emit(CompileContext context, Model.Scope scope, Target target)
{
var r = new TransientNode();
if (member == null)
{
context.ReportError(this, "Member was not resolved.");
return r;
}
Target objectTarget = target;
if (target.target == Targets.Stack)
objectTarget = Target.Register(context.AllocateRegister());
r.AddChild(Child(0).Emit(context, scope, objectTarget));
if (member.isArray)
{
if (target != objectTarget)
r.AddInstruction(Instructions.SET, target.GetOperand(TargetUsage.Push), objectTarget.GetOperand(TargetUsage.Pop));
r.AddInstruction(Instructions.ADD, target.GetOperand(TargetUsage.Peek), Constant((ushort)member.offset));
}
else
{
if (member.offset == 0)
r.AddInstruction(Instructions.SET,
target.GetOperand(TargetUsage.Push),
objectTarget.GetOperand(TargetUsage.Pop, Intermediate.OperandSemantics.Dereference));
else
r.AddInstruction(Instructions.SET,
target.GetOperand(TargetUsage.Push),
objectTarget.GetOperand(TargetUsage.Pop,
Intermediate.OperandSemantics.Dereference | Intermediate.OperandSemantics.Offset,
(ushort)member.offset));
}
return r;
}
Intermediate.IRNode AssignableNode.EmitAssignment(CompileContext context, Model.Scope scope, Intermediate.Operand from, Intermediate.Instructions opcode)
{
var r = new TransientNode();
if (member == null)
{
context.ReportError(this, "Member was not resolved");
return r;
}
var target = Target.Register(context.AllocateRegister());
r.AddChild(Child(0).Emit(context, scope, target));
r.AddInstruction(opcode, target.GetOperand(TargetUsage.Peek,
Intermediate.OperandSemantics.Dereference | Intermediate.OperandSemantics.Offset, (ushort)member.offset),
from);
return r;
}
public override Intermediate.IRNode Emit(CompileContext context, Model.Scope scope, Target target)
{
var r = new TransientNode();
r.AddInstruction(Instructions.SET, target.GetOperand(TargetUsage.Push), GetFetchToken());
return r;
}