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#include "mkql_invoke.h"
#include <yql/essentials/minikql/computation/mkql_computation_node_holders.h>
#include <yql/essentials/minikql/computation/mkql_computation_node_codegen.h> // Y_IGNORE
#include <yql/essentials/minikql/mkql_node_cast.h>
#include <yql/essentials/minikql/mkql_node_builder.h>
#include <yql/essentials/minikql/invoke_builtins/mkql_builtins.h>
namespace NKikimr {
namespace NMiniKQL {
namespace {
template<bool IsOptional>
class TUnaryArgInvokeBase {
protected:
TUnaryArgInvokeBase(TStringBuf name, const TFunctionDescriptor& descr)
: Name(name), Descriptor(descr)
{}
NUdf::TUnboxedValuePod DoCalc(const NUdf::TUnboxedValuePod& arg) const {
if (IsOptional && !arg) {
return {};
}
return Descriptor.Function(&arg);
}
#ifndef MKQL_DISABLE_CODEGEN
Value* DoGenGetValue(const TCodegenContext& ctx, Value* arg, BasicBlock*& block) const {
if (IsOptional) {
auto& context = ctx.Codegen.GetContext();
const auto good = BasicBlock::Create(context, "good", ctx.Func);
const auto done = BasicBlock::Create(context, "done", ctx.Func);
const auto result = PHINode::Create(arg->getType(), 2U, "result", done);
result->addIncoming(arg, block);
BranchInst::Create(good, done, IsExists(arg, block), block);
block = good;
const auto out = reinterpret_cast<TGeneratorPtr>(Descriptor.Generator)(&arg, ctx, block);
result->addIncoming(out, block);
BranchInst::Create(done, block);
block = done;
return result;
} else {
return reinterpret_cast<TGeneratorPtr>(Descriptor.Generator)(&arg, ctx, block);
}
}
#endif
const TStringBuf Name;
const TFunctionDescriptor Descriptor;
};
template<bool IsOptional>
class TSimpleUnaryArgInvokeWrapper : public TDecoratorCodegeneratorNode<TSimpleUnaryArgInvokeWrapper<IsOptional>>, private TUnaryArgInvokeBase<IsOptional> {
typedef TDecoratorCodegeneratorNode<TSimpleUnaryArgInvokeWrapper<IsOptional>> TBaseComputation;
public:
TSimpleUnaryArgInvokeWrapper(TStringBuf name, const TFunctionDescriptor& descr, IComputationNode* arg)
: TBaseComputation(arg), TUnaryArgInvokeBase<IsOptional>(name, descr)
{}
NUdf::TUnboxedValuePod DoCalculate(TComputationContext&, const NUdf::TUnboxedValuePod& arg) const {
return this->DoCalc(arg);
}
#ifndef MKQL_DISABLE_CODEGEN
Value* DoGenerateGetValue(const TCodegenContext& ctx, Value* arg, BasicBlock*& block) const {
return this->DoGenGetValue(ctx, arg, block);
}
#endif
private:
TString DebugString() const final {
return TBaseComputation::DebugString() + "(" + this->Name + ")" ;
}
};
template<bool IsOptional>
class TDefaultUnaryArgInvokeWrapper : public TMutableCodegeneratorNode<TDefaultUnaryArgInvokeWrapper<IsOptional>>, private TUnaryArgInvokeBase<IsOptional> {
typedef TMutableCodegeneratorNode<TDefaultUnaryArgInvokeWrapper<IsOptional>> TBaseComputation;
public:
TDefaultUnaryArgInvokeWrapper(TComputationMutables& mutables, EValueRepresentation kind, TStringBuf name, const TFunctionDescriptor& descr, IComputationNode* arg)
: TBaseComputation(mutables, kind), TUnaryArgInvokeBase<IsOptional>(name, descr), Arg(arg)
{}
NUdf::TUnboxedValuePod DoCalculate(TComputationContext& ctx) const {
return this->DoCalc(Arg->GetValue(ctx));
}
#ifndef MKQL_DISABLE_CODEGEN
Value* DoGenerateGetValue(const TCodegenContext& ctx, BasicBlock*& block) const {
const auto arg = GetNodeValue(Arg, ctx, block);
return this->DoGenGetValue(ctx, arg, block);
}
#endif
private:
void RegisterDependencies() const final {
this->DependsOn(Arg);
}
TString DebugString() const final {
return TBaseComputation::DebugString() + "(" + this->Name + ")" ;
}
IComputationNode *const Arg;
};
class TBinaryInvokeWrapper : public TBinaryCodegeneratorNode<TBinaryInvokeWrapper> {
typedef TBinaryCodegeneratorNode<TBinaryInvokeWrapper> TBaseComputation;
public:
TBinaryInvokeWrapper(TStringBuf name, const TFunctionDescriptor& descr, IComputationNode* left, IComputationNode* right, EValueRepresentation kind = EValueRepresentation::Embedded)
: TBaseComputation(left, right, kind), Name(name), Descriptor(descr)
{
}
NUdf::TUnboxedValuePod DoCalculate(TComputationContext& compCtx) const {
const std::array<NUdf::TUnboxedValue, 2U> args {{Left->GetValue(compCtx), Right->GetValue(compCtx)}};
return Descriptor.Function(args.data());
}
#ifndef MKQL_DISABLE_CODEGEN
Value* DoGenerateGetValue(const TCodegenContext& ctx, BasicBlock*& block) const {
const std::array<Value*, 2U> args {{GetNodeValue(Left, ctx, block), GetNodeValue(Right, ctx, block)}};
return reinterpret_cast<TGeneratorPtr>(Descriptor.Generator)(args.data(), ctx, block);
}
#endif
private:
TString DebugString() const final {
return TBaseComputation::DebugString() + "(" + Name + ")" ;
}
const TStringBuf Name;
const TFunctionDescriptor Descriptor;
};
template<size_t Size>
class TInvokeWrapper : public TMutableCodegeneratorNode<TInvokeWrapper<Size>> {
typedef TMutableCodegeneratorNode<TInvokeWrapper<Size>> TBaseComputation;
public:
TInvokeWrapper(TComputationMutables& mutables, EValueRepresentation kind, TStringBuf name, const TFunctionDescriptor& descr, TComputationNodePtrVector&& argNodes)
: TBaseComputation(mutables, kind)
, Name(name), Descriptor(descr)
, ArgNodes(std::move(argNodes))
{
}
NUdf::TUnboxedValue DoCalculate(TComputationContext& ctx) const {
std::array<NUdf::TUnboxedValue, Size> values;
std::transform(ArgNodes.cbegin(), ArgNodes.cend(), values.begin(),
std::bind(&IComputationNode::GetValue, std::placeholders::_1, std::ref(ctx))
);
return Descriptor.Function(values.data());
}
#ifndef MKQL_DISABLE_CODEGEN
Value* DoGenerateGetValue(const TCodegenContext& ctx, BasicBlock*& block) const {
std::array<Value*, Size> values;
std::transform(ArgNodes.cbegin(), ArgNodes.cend(), values.begin(),
[&](IComputationNode* node) { return GetNodeValue(node, ctx, block); }
);
return reinterpret_cast<TGeneratorPtr>(Descriptor.Generator)(values.data(), ctx, block);
}
#endif
private:
void RegisterDependencies() const final {
std::for_each(ArgNodes.cbegin(), ArgNodes.cend(), std::bind(&TInvokeWrapper::DependsOn, this, std::placeholders::_1));
}
TString DebugString() const final {
return TBaseComputation::DebugString() + "(" + Name + ")" ;
}
const TStringBuf Name;
const TFunctionDescriptor Descriptor;
const TComputationNodePtrVector ArgNodes;
};
}
IComputationNode* WrapInvoke(TCallable& callable, const TComputationNodeFactoryContext& ctx) {
MKQL_ENSURE(callable.GetInputsCount() >= 2U && callable.GetInputsCount() <= 4U, "Expected from one to three arguments.");
const auto returnType = callable.GetType()->GetReturnType();
const auto inputsCount = callable.GetInputsCount();
std::array<TArgType, 4U> argsTypes;
TComputationNodePtrVector argNodes;
argNodes.reserve(inputsCount - 1U);
argsTypes.front().first = UnpackOptionalData(returnType, argsTypes.front().second)->GetSchemeType();
for (ui32 i = 1U; i < inputsCount; ++i) {
argsTypes[i].first = UnpackOptionalData(callable.GetInput(i), argsTypes[i].second)->GetSchemeType();
argNodes.emplace_back(LocateNode(ctx.NodeLocator, callable, i));
}
const auto funcName = AS_VALUE(TDataLiteral, callable.GetInput(0))->AsValue().AsStringRef();
const auto funcDesc = ctx.FunctionRegistry.GetBuiltins()->GetBuiltin(funcName, argsTypes.data(), inputsCount);
const auto returnKind = GetValueRepresentation(returnType);
switch (argNodes.size()) {
case 1U:
if (EValueRepresentation::Embedded == returnKind) {
return new TSimpleUnaryArgInvokeWrapper<false>(funcName, funcDesc, argNodes.front());
} else {
return new TDefaultUnaryArgInvokeWrapper<false>(ctx.Mutables, returnKind, funcName, funcDesc, argNodes.front());
}
case 2U:
if (EValueRepresentation::Embedded == returnKind) {
return new TBinaryInvokeWrapper(funcName, funcDesc, argNodes.front(), argNodes.back());
}
return new TInvokeWrapper<2U>(ctx.Mutables, returnKind, funcName, funcDesc, std::move(argNodes));
case 3U:
return new TInvokeWrapper<3U>(ctx.Mutables, returnKind, funcName, funcDesc, std::move(argNodes));
default:
Y_ABORT("Too wide invoke.");
}
}
}
}
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