|
public EmitIntStringKey ( |
||
| expr | ||
| Résultat | void | |
public void Dispose()
{
if (_loc != null)
{
_cg.ReturnTemporaryLocal(_loc);
_loc = null;
}
else if (_tempName != null)
{
// <temporary>.RemoveKey(name)
Debug.Assert(_cg.TemporalLocalsPlace != null);
_cg.TemporalLocalsPlace.EmitLoad(_cg.Builder);
_cg.EmitIntStringKey(_tempName);
_cg.EmitPop(_cg.EmitCall(System.Reflection.Metadata.ILOpCode.Callvirt, _cg.CoreMethods.PhpArray.RemoveKey_IntStringKey));
_tempName = null;
}
}
void IBoundReference.EmitStorePrepare(CodeGenerator cg, InstanceCacheHolder instanceOpt)
{
// Template: array[index]
EmitArrayPrepare(cg, instanceOpt);
if (this.Index != null)
{
cg.EmitIntStringKey(this.Index); // TODO: save Index into InstanceCacheHolder
}
}
void IBoundReference.EmitLoadPrepare(CodeGenerator cg, InstanceCacheHolder instanceOpt)
{
// Template: array[index]
EmitArrayPrepare(cg, instanceOpt);
if (this.Index == null)
throw new ArgumentException();
cg.EmitIntStringKey(this.Index); // TODO: save Index into InstanceCacheHolder
}
internal override TypeSymbol Emit(CodeGenerator cg)
{
// new PhpArray(count)
cg.Builder.EmitIntConstant(_items.Length);
var result = cg.EmitCall(ILOpCode.Newobj, cg.CoreMethods.Ctors.PhpArray_int)
.Expect(cg.CoreTypes.PhpArray);
foreach (var x in _items)
{
// <PhpArray>
cg.Builder.EmitOpCode(ILOpCode.Dup);
// key
if (x.Key != null)
{
cg.EmitIntStringKey(x.Key);
}
// value | alias
Debug.Assert(x.Value != null);
var byref = x.Value.Access.IsReadRef;
var valuetype = byref ? cg.CoreTypes.PhpAlias : cg.CoreTypes.PhpValue;
cg.EmitConvert(x.Value, valuetype);
if (x.Key != null)
{
if (byref) // .SetItemAlias( key, PhpAlias )
cg.EmitCall(ILOpCode.Call, cg.CoreMethods.PhpArray.SetItemAlias_IntStringKey_PhpAlias);
else // .SetItemValue( key, PhpValue )
cg.EmitCall(ILOpCode.Call, cg.CoreMethods.PhpArray.SetItemValue_IntStringKey_PhpValue);
}
else
{
if (byref) // PhpValue.Create( PhpAlias )
cg.EmitCall(ILOpCode.Call, cg.CoreMethods.PhpValue.Create_PhpAlias);
// .AddValue( PhpValue )
cg.EmitCall(ILOpCode.Call, cg.CoreMethods.PhpArray.AddValue_PhpValue);
}
}
//
return result;
}
void IBoundReference.EmitStore(CodeGenerator cg, TypeSymbol valueType)
{
var rtype = cg.CoreTypes.IPhpArray;
cg.EmitConvert(valueType, 0, rtype);
var tmp = cg.GetTemporaryLocal(rtype);
cg.Builder.EmitLocalStore(tmp);
// NOTE: since PHP7, variables are assigned from left to right
var vars = this.Variables;
for (int i = 0; i < vars.Length; i++)
{
var target = vars[i];
if (target == null)
continue;
var boundtarget = target.BindPlace(cg);
boundtarget.EmitStorePrepare(cg);
// LOAD IPhpArray.GetItemValue(IntStringKey{i})
cg.Builder.EmitLocalLoad(tmp);
cg.EmitIntStringKey(i);
var itemtype = cg.EmitCall(ILOpCode.Callvirt, cg.CoreMethods.IPhpArray.GetItemValue_IntStringKey);
// STORE vars[i]
boundtarget.EmitStore(cg, itemtype);
}
//
cg.ReturnTemporaryLocal(tmp);
}
private void EmitPrepare(CodeGenerator cg, InstanceCacheHolder instanceOpt = null)
{
// Template: <variables> Key
LoadVariablesArray(cg);
// key
cg.EmitIntStringKey(_nameExpr);
}
internal override void EmitInit(CodeGenerator cg)
{
// TODO: check callable, iterable
// TODO: ? if (cg.HasUnoptimizedLocals && $this) <locals>["this"] = ...
var srcparam = _symbol as SourceParameterSymbol;
if (srcparam != null)
{
var srcplace = new ParamPlace(_symbol);
var routine = srcparam.Routine;
if (cg.HasUnoptimizedLocals)
{
Debug.Assert(cg.LocalsPlaceOpt != null);
// copy parameter to <locals>[Name]
// <locals>[name] = value
cg.LocalsPlaceOpt.EmitLoad(cg.Builder); // <locals>
cg.EmitIntStringKey(new BoundLiteral(this.Name)); // [key]
cg.EmitConvertToPhpValue(srcplace.EmitLoad(cg.Builder), 0); // value
cg.EmitCall(ILOpCode.Call, cg.CoreMethods.PhpArray.SetItemValue_IntStringKey_PhpValue);
//
_isUnoptimized = true;
}
else
{
// TODO: copy parameter by value in case of PhpValue, Array, PhpString
// create local variable in case of parameter type is not enough for its use within routine
if (_symbol.Type != cg.CoreTypes.PhpValue && _symbol.Type != cg.CoreTypes.PhpAlias)
{
var tmask = routine.ControlFlowGraph.GetLocalTypeMask(srcparam.Name);
var clrtype = cg.DeclaringCompilation.GetTypeFromTypeRef(routine, tmask);
if (clrtype != _symbol.Type) // Assert: only if clrtype is not covered by _symbol.Type
{
// TODO: performance warning
_lazyLocal = new BoundLocal(new SynthesizedLocalSymbol(routine, srcparam.Name, clrtype));
_lazyLocal.EmitInit(cg);
var localplace = _lazyLocal.Place(cg.Builder);
// <local> = <param>
localplace.EmitStorePrepare(cg.Builder);
cg.EmitConvert(srcplace.EmitLoad(cg.Builder), 0, clrtype);
localplace.EmitStore(cg.Builder);
}
}
}
}
}
