| public EmitLoadConstant ( object value, TypeSymbol targetOpt = null ) : TypeSymbol | ||
| value | object | |
| targetOpt | TypeSymbol | |
| Résultat | TypeSymbol | |
internal override TypeSymbol Emit(CodeGenerator cg)
{
Debug.Assert(this.Access.IsRead || this.Access.IsNone);
if (Access.IsNone)
{
// do nothing
return cg.CoreTypes.Void;
}
if (ConstantValue.HasValue)
{
return cg.EmitLoadConstant(ConstantValue.Value, this.Access.TargetType);
}
var place = this.BindPlace(cg);
place.EmitLoadPrepare(cg);
return place.EmitLoad(cg);
}
internal override TypeSymbol Emit(CodeGenerator cg)
{
Debug.Assert(!Access.IsWrite);
if (this.Access.IsNone)
{
return cg.CoreTypes.Void;
}
if (this.ConstantValue.HasValue)
{
return cg.EmitLoadConstant(this.ConstantValue.Value, this.Access.TargetType);
}
if (_boundExpressionOpt != null)
{
_boundExpressionOpt.EmitLoadPrepare(cg);
return _boundExpressionOpt.EmitLoad(cg);
}
var idxfield = cg.Module.SynthesizedManager
.GetOrCreateSynthesizedField(cg.Module.ScriptType, cg.CoreTypes.Int32, $"c<{this.Name}>idx", Accessibility.Internal, true, false);
// <ctx>.GetConstant(<name>, ref <Index of constant>)
cg.EmitLoadContext();
cg.Builder.EmitStringConstant(this.Name);
cg.EmitFieldAddress(idxfield);
return cg.EmitCall(ILOpCode.Callvirt, cg.CoreMethods.Context.GetConstant_string_int32)
.Expect(cg.CoreTypes.PhpValue);
}
internal override TypeSymbol Emit(CodeGenerator cg)
{
Debug.Assert(this.Access.IsRead || Access.IsNone);
// do nothing
if (this.Access.IsNone)
{
return cg.CoreTypes.Void;
}
// push value onto the evaluation stack
Debug.Assert(ConstantValue.HasValue);
return cg.EmitLoadConstant(ConstantValue.Value, this.Access.TargetType);
}
