internal void EmitInit(CodeGenerator cg)
{
var fldplace = new FieldPlace(IsStatic ? null : new ArgPlace(ContainingType, 0), this);
if (this.Initializer != null)
{
// fld = <initializer>
fldplace.EmitStorePrepare(cg.Builder);
cg.EmitConvert(this.Initializer, this.Type);
fldplace.EmitStore(cg.Builder);
}
else
{
// fld = default(type)
cg.EmitInitializePlace(fldplace);
}
}
void EmitPhpNew(SynthesizedPhpNewMethodSymbol phpnew, Emit.PEModuleBuilder module)
{
if (phpnew == null) return; // static class
module.SetMethodBody(phpnew, MethodGenerator.GenerateMethodBody(module, phpnew, (Action<Microsoft.CodeAnalysis.CodeGen.ILBuilder>)(il =>
{
Debug.Assert(SpecialParameterSymbol.IsContextParameter(phpnew.Parameters[0]));
var cg = new CodeGenerator(il, module, DiagnosticBag.GetInstance(), OptimizationLevel.Release, false, this, new ParamPlace(phpnew.Parameters[0]), new ArgPlace(this, 0));
// initialize <ctx> field,
// if field is declared within this type
var ctxField = this.ContextStore;
if (ctxField != null && object.ReferenceEquals((object)ctxField.ContainingType, this))
{
var ctxFieldPlace = new FieldPlace(cg.ThisPlaceOpt, (IFieldSymbol)ctxField);
// Debug.Assert(<ctx> != null)
cg.EmitDebugAssertNotNull(cg.ContextPlaceOpt, "Context cannot be null.");
// <this>.<ctx> = <ctx>
ctxFieldPlace.EmitStorePrepare(il);
cg.EmitLoadContext();
ctxFieldPlace.EmitStore(il);
}
// initialize class fields
foreach (var fld in this.GetFieldsToEmit().OfType<SourceFieldSymbol>().Where(fld => !fld.RequiresHolder && !fld.IsStatic && !fld.IsConst))
{
fld.EmitInit(cg);
}
// base..phpnew ?? base..ctor
var basenew = phpnew.BasePhpNew;
Debug.Assert(basenew != null);
cg.EmitPop(cg.EmitThisCall(basenew, phpnew));
Debug.Assert(phpnew.ReturnsVoid);
cg.EmitRet(phpnew.ReturnType);
}), null, DiagnosticBag.GetInstance(), false));
}
void EmitInit(Emit.PEModuleBuilder module, DiagnosticBag diagnostic, PhpCompilation compilation, SynthesizedStaticLocHolder holder, BoundExpression initializer)
{
var loctype = holder.ValueField.Type;
bool requiresContext = initializer != null && initializer.RequiresContext;
if (requiresContext)
{
// emit Init only if it needs Context
holder.EmitInit(module, (il) =>
{
var cg = new CodeGenerator(il, module, diagnostic, OptimizationLevel.Release, false,
holder.ContainingType, new ArgPlace(compilation.CoreTypes.Context, 1), new ArgPlace(holder, 0));
var valuePlace = new FieldPlace(cg.ThisPlaceOpt, holder.ValueField);
// Template: this.value = <initilizer>;
valuePlace.EmitStorePrepare(il);
cg.EmitConvert(initializer, valuePlace.TypeOpt);
valuePlace.EmitStore(il);
//
il.EmitRet(true);
});
}
// default .ctor
holder.EmitCtor(module, (il) =>
{
if (!requiresContext)
{
// emit default value only if it won't be initialized by Init above
var cg = new CodeGenerator(il, module, diagnostic, OptimizationLevel.Release, false,
holder.ContainingType, null, new ArgPlace(holder, 0));
var valuePlace = new FieldPlace(cg.ThisPlaceOpt, holder.ValueField);
// Template: this.value = default(T);
valuePlace.EmitStorePrepare(il);
if (initializer != null)
{
cg.EmitConvert(initializer, valuePlace.TypeOpt);
}
else
{
cg.EmitLoadDefault(valuePlace.TypeOpt, 0);
}
valuePlace.EmitStore(il);
}
//
il.EmitRet(true);
});
}
internal void EmitInit(Emit.PEModuleBuilder module)
{
var cctor = module.GetStaticCtorBuilder(_file);
var field = new FieldPlace(null, this.EnsureRoutineInfoField(module));
// {RoutineInfoField} = RoutineInfo.CreateUserRoutine(name, handle)
field.EmitStorePrepare(cctor);
cctor.EmitStringConstant(this.QualifiedName.ToString());
cctor.EmitLoadToken(module, DiagnosticBag.GetInstance(), this, null);
cctor.EmitCall(module, DiagnosticBag.GetInstance(), System.Reflection.Metadata.ILOpCode.Call, module.Compilation.CoreMethods.Reflection.CreateUserRoutine_string_RuntimeMethodHandle);
field.EmitStore(cctor);
}
internal override void EmitInit(CodeGenerator cg)
{
// variable holder class
_holder = cg.Factory.DeclareStaticLocalHolder(this.Name, (TypeSymbol)this.Variable.Type);
// local with its instance
var symbol = new SynthesizedLocalSymbol(cg.Routine, this.Name, _holder);
var loc = cg.Builder.LocalSlotManager.DeclareLocal(_holder, symbol, symbol.Name, SynthesizedLocalKind.OptimizerTemp, LocalDebugId.None, 0, LocalSlotConstraints.None, false, default(ImmutableArray<TypedConstant>), false);
_holderPlace = new LocalPlace(loc);
// place = holder.value
_place = new FieldPlace(_holderPlace, _holder.ValueField);
if (cg.HasUnoptimizedLocals)
{
// TODO reference to <locals>
}
}
