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// unit-test-translation-unit-import.cpp
#include "slang.h"
#include <stdio.h>
#include <stdlib.h>
#include "tools/unit-test/slang-unit-test.h"
#include "slang-com-ptr.h"
#include "../../source/core/slang-io.h"
#include "../../source/core/slang-process.h"
using namespace Slang;
static String getTypeFullName(slang::TypeReflection* type)
{
ComPtr<ISlangBlob> blob;
type->getFullName(blob.writeRef());
return String((const char*)blob->getBufferPointer());
}
static void printRefl(slang::DeclReflection* refl, unsigned int level = 0)
{
// Mapping of kind ids to names
std::string names[] = {"Unsupported", "Struct", "Function", "Module", "Generic", "Variable"};
for (unsigned int i = 0; i < level; i++)
{
std::cout << " ";
}
std::cout<< "[" << names[(unsigned int)refl->getKind()] << "] (" << refl->getChildrenCount() << ")" << std::endl;
for (auto* child : refl->getChildren())
{
printRefl(child, level + 1);
}
}
// Test that the reflection API provides correct info about entry point and ordinary functions.
SLANG_UNIT_TEST(declTreeReflection)
{
// Source for a module that contains an undecorated entrypoint.
const char* userSourceBody = R"(
[__AttributeUsage(_AttributeTargets.Function)]
struct MyFuncPropertyAttribute {int v;}
[MyFuncProperty(1024)]
[Differentiable]
float ordinaryFunc(no_diff float x, int y) { return x + y; }
float4 fragMain(float4 pos:SV_Position) : SV_Position
{
return pos;
}
uint f(uint y) { return y; }
struct MyType
{
int x;
float f(float x) { return x; }
}
struct MyGenericType<T : IArithmetic & IFloat>
{
T z;
T g() { return z; }
U h<U>(U x, out T y) { y = z; return x; }
T j<let N : int>(T x, out int o) { o = N; return x; }
}
)";
auto moduleName = "moduleG" + String(Process::getId());
String userSource = "import " + moduleName + ";\n" + userSourceBody;
ComPtr<slang::IGlobalSession> globalSession;
SLANG_CHECK(slang_createGlobalSession(SLANG_API_VERSION, globalSession.writeRef()) == SLANG_OK);
slang::TargetDesc targetDesc = {};
targetDesc.format = SLANG_HLSL;
targetDesc.profile = globalSession->findProfile("sm_5_0");
slang::SessionDesc sessionDesc = {};
sessionDesc.targetCount = 1;
sessionDesc.targets = &targetDesc;
ComPtr<slang::ISession> session;
SLANG_CHECK(globalSession->createSession(sessionDesc, session.writeRef()) == SLANG_OK);
ComPtr<slang::IBlob> diagnosticBlob;
auto module = session->loadModuleFromSourceString("m", "m.slang", userSourceBody, diagnosticBlob.writeRef());
SLANG_CHECK(module != nullptr);
ComPtr<slang::IEntryPoint> entryPoint;
module->findAndCheckEntryPoint("fragMain", SLANG_STAGE_FRAGMENT, entryPoint.writeRef(), diagnosticBlob.writeRef());
SLANG_CHECK(entryPoint != nullptr);
ComPtr<slang::IComponentType> compositeProgram;
slang::IComponentType* components[] = { module, entryPoint.get() };
session->createCompositeComponentType(components, 2, compositeProgram.writeRef(), diagnosticBlob.writeRef());
SLANG_CHECK(compositeProgram != nullptr);
auto moduleDeclReflection = module->getModuleReflection();
SLANG_CHECK(moduleDeclReflection != nullptr);
SLANG_CHECK(moduleDeclReflection->getKind() == slang::DeclReflection::Kind::Module);
SLANG_CHECK(moduleDeclReflection->getChildrenCount() == 7);
// First declaration should be a struct with 1 variable
auto firstDecl = moduleDeclReflection->getChild(0);
SLANG_CHECK(firstDecl->getKind() == slang::DeclReflection::Kind::Struct);
SLANG_CHECK(firstDecl->getChildrenCount() == 1);
{
slang::TypeReflection* type = firstDecl->getType();
SLANG_CHECK(getTypeFullName(type) == "MyFuncPropertyAttribute");
// Check the field of the struct.
SLANG_CHECK(type->getFieldCount() == 1);
auto field = type->getFieldByIndex(0);
SLANG_CHECK(UnownedStringSlice(field->getName()) == "v");
SLANG_CHECK(getTypeFullName(field->getType()) == "int");
}
// Second declaration should be a function
auto secondDecl = moduleDeclReflection->getChild(1);
SLANG_CHECK(secondDecl->getKind() == slang::DeclReflection::Kind::Func);
SLANG_CHECK(secondDecl->getChildrenCount() == 2); // Parameter declarations are children (return type is not)
{
auto funcReflection = secondDecl->asFunction();
SLANG_CHECK(funcReflection->findModifier(slang::Modifier::Differentiable) != nullptr);
SLANG_CHECK(getTypeFullName(funcReflection->getReturnType()) == "float");
SLANG_CHECK(UnownedStringSlice(funcReflection->getName()) == "ordinaryFunc");
SLANG_CHECK(funcReflection->getParameterCount() == 2);
SLANG_CHECK(UnownedStringSlice(funcReflection->getParameterByIndex(0)->getName()) == "x");
SLANG_CHECK(getTypeFullName(funcReflection->getParameterByIndex(0)->getType()) == "float");
SLANG_CHECK(funcReflection->getParameterByIndex(0)->findModifier(slang::Modifier::NoDiff) != nullptr);
SLANG_CHECK(UnownedStringSlice(funcReflection->getParameterByIndex(1)->getName()) == "y");
SLANG_CHECK(getTypeFullName(funcReflection->getParameterByIndex(1)->getType()) == "int");
SLANG_CHECK(funcReflection->getUserAttributeCount() == 1);
auto userAttribute = funcReflection->getUserAttributeByIndex(0);
SLANG_CHECK(UnownedStringSlice(userAttribute->getName()) == "MyFuncProperty");
SLANG_CHECK(userAttribute->getArgumentCount() == 1);
SLANG_CHECK(getTypeFullName(userAttribute->getArgumentType(0)) == "int");
int val = 0;
auto result = userAttribute->getArgumentValueInt(0, &val);
SLANG_CHECK(result == SLANG_OK);
SLANG_CHECK(val == 1024);
SLANG_CHECK(funcReflection->findUserAttributeByName(globalSession.get(), "MyFuncProperty") == userAttribute);
}
// Third declaration should also be a function
auto thirdDecl = moduleDeclReflection->getChild(2);
SLANG_CHECK(thirdDecl->getKind() == slang::DeclReflection::Kind::Func);
SLANG_CHECK(thirdDecl->getChildrenCount() == 1);
{
auto funcReflection = thirdDecl->asFunction();
SLANG_CHECK(getTypeFullName(funcReflection->getReturnType()) == "vector<float,4>");
SLANG_CHECK(UnownedStringSlice(funcReflection->getName()) == "fragMain");
SLANG_CHECK(funcReflection->getParameterCount() == 1);
SLANG_CHECK(UnownedStringSlice(funcReflection->getParameterByIndex(0)->getName()) == "pos");
SLANG_CHECK(getTypeFullName(funcReflection->getParameterByIndex(0)->getType()) == "vector<float,4>");
}
// Sixth declaration should be a generic struct
auto sixthDecl = moduleDeclReflection->getChild(5);
SLANG_CHECK(sixthDecl->getKind() == slang::DeclReflection::Kind::Generic);
auto genericReflection = sixthDecl->asGeneric();
SLANG_CHECK(genericReflection->getTypeParameterCount() == 1);
auto typeParamT = genericReflection->getTypeParameter(0);
SLANG_CHECK(UnownedStringSlice(typeParamT->getName()) == "T");
auto typeParamTConstraintCount = genericReflection->getTypeParameterConstraintCount(typeParamT);
SLANG_CHECK(typeParamTConstraintCount == 2);
auto typeParamTConstraintType1 = genericReflection->getTypeParameterConstraintType(typeParamT, 0);
SLANG_CHECK(getTypeFullName(typeParamTConstraintType1) == "IArithmetic");
auto typeParamTConstraintType2 = genericReflection->getTypeParameterConstraintType(typeParamT, 1);
SLANG_CHECK(getTypeFullName(typeParamTConstraintType2) == "IFloat");
auto innerStruct = genericReflection->getInnerDecl();
SLANG_CHECK(innerStruct->getKind() == slang::DeclReflection::Kind::Struct);
// Check type-lookup-by-name
{
auto type = compositeProgram->getLayout()->findTypeByName("MyType");
SLANG_CHECK(type != nullptr);
//SLANG_CHECK(type->getKind() == slang::DeclReflection::Kind::Struct);
SLANG_CHECK(UnownedStringSlice(type->getName()) == "MyType");
auto funcReflection = compositeProgram->getLayout()->findFunctionByNameInType(type, "f");
SLANG_CHECK(funcReflection != nullptr);
SLANG_CHECK(UnownedStringSlice(funcReflection->getName()) == "f");
SLANG_CHECK(getTypeFullName(funcReflection->getReturnType()) == "float");
SLANG_CHECK(funcReflection->getParameterCount() == 1);
SLANG_CHECK(UnownedStringSlice(funcReflection->getParameterByIndex(0)->getName()) == "x");
SLANG_CHECK(getTypeFullName(funcReflection->getParameterByIndex(0)->getType()) == "float");
}
// Check type-lookup-by-name for generic type
{
auto type = compositeProgram->getLayout()->findTypeByName("MyGenericType<half>");
SLANG_CHECK(type != nullptr);
//SLANG_CHECK(type->getKind() == slang::DeclReflection::Kind::Struct);
SLANG_CHECK(getTypeFullName(type) == "MyGenericType<half>");
auto funcReflection = compositeProgram->getLayout()->findFunctionByNameInType(type, "g");
SLANG_CHECK(funcReflection != nullptr);
SLANG_CHECK(UnownedStringSlice(funcReflection->getName()) == "g");
SLANG_CHECK(getTypeFullName(funcReflection->getReturnType()) == "half");
SLANG_CHECK(funcReflection->getParameterCount() == 0);
auto varReflection = compositeProgram->getLayout()->findVarByNameInType(type, "z");
SLANG_CHECK(varReflection != nullptr);
SLANG_CHECK(UnownedStringSlice(varReflection->getName()) == "z");
SLANG_CHECK(getTypeFullName(varReflection->getType()) == "half");
funcReflection = compositeProgram->getLayout()->findFunctionByNameInType(type, "h<float>");
SLANG_CHECK(funcReflection != nullptr);
SLANG_CHECK(UnownedStringSlice(funcReflection->getName()) == "h");
SLANG_CHECK(getTypeFullName(funcReflection->getReturnType()) == "float");
SLANG_CHECK(funcReflection->getParameterCount() == 2);
SLANG_CHECK(UnownedStringSlice(funcReflection->getParameterByIndex(0)->getName()) == "x");
SLANG_CHECK(getTypeFullName(funcReflection->getParameterByIndex(0)->getType()) == "float");
SLANG_CHECK(UnownedStringSlice(funcReflection->getParameterByIndex(1)->getName()) == "y");
SLANG_CHECK(getTypeFullName(funcReflection->getParameterByIndex(1)->getType()) == "half");
// Access parent generic container from a specialized method.
auto specializationInfo = funcReflection->getGenericContainer();
SLANG_CHECK(specializationInfo != nullptr);
SLANG_CHECK(UnownedStringSlice(specializationInfo->getName()) == "h");
SLANG_CHECK(specializationInfo->asDecl()->getKind() == slang::DeclReflection::Kind::Generic);
// Check type parameters
SLANG_CHECK(specializationInfo->getTypeParameterCount() == 1);
auto typeParam = specializationInfo->getTypeParameter(0);
SLANG_CHECK(UnownedStringSlice(typeParam->getName()) == "U"); // generic name
SLANG_CHECK(getTypeFullName(specializationInfo->getConcreteType(typeParam)) == "float"); // specialized type name under the context in which the generic is obtained
SLANG_CHECK(specializationInfo->getTypeParameterConstraintCount(typeParam) == 0);
// Go up another level to the generic struct
specializationInfo = specializationInfo->getOuterGenericContainer();
SLANG_CHECK(specializationInfo != nullptr);
SLANG_CHECK(UnownedStringSlice(specializationInfo->getName()) == "MyGenericType");
SLANG_CHECK(specializationInfo->asDecl()->getKind() == slang::DeclReflection::Kind::Generic);
// Check type parameters
SLANG_CHECK(specializationInfo->getTypeParameterCount() == 1);
typeParam = specializationInfo->getTypeParameter(0);
SLANG_CHECK(UnownedStringSlice(typeParam->getName()) == "T"); // generic name
SLANG_CHECK(getTypeFullName(specializationInfo->getConcreteType(typeParam)) == "half"); // specialized type name under the context in which the generic is obtained
SLANG_CHECK(specializationInfo->getTypeParameterConstraintCount(typeParam) == 2);
// Query 'j' on the type 'half'
funcReflection = compositeProgram->getLayout()->findFunctionByNameInType(type, "j<10>");
SLANG_CHECK(funcReflection != nullptr);
SLANG_CHECK(UnownedStringSlice(funcReflection->getName()) == "j");
// Check the generic parameters
specializationInfo = funcReflection->getGenericContainer();
SLANG_CHECK(specializationInfo != nullptr);
SLANG_CHECK(UnownedStringSlice(specializationInfo->getName()) == "j");
SLANG_CHECK(specializationInfo->asDecl()->getKind() == slang::DeclReflection::Kind::Generic);
SLANG_CHECK(specializationInfo->getValueParameterCount() == 1);
auto valueParam = specializationInfo->getValueParameter(0);
SLANG_CHECK(UnownedStringSlice(valueParam->getName()) == "N"); // generic name
SLANG_CHECK(specializationInfo->getConcreteIntVal(valueParam) == 10);
}
// Check iterators
{
unsigned int count = 0;
for (auto* child : moduleDeclReflection->getChildren())
{
count++;
}
SLANG_CHECK(count == 7);
count = 0;
for (auto* child : moduleDeclReflection->getChildrenOfKind<slang::DeclReflection::Kind::Func>())
{
count++;
}
SLANG_CHECK(count == 3);
count = 0;
for (auto* child : moduleDeclReflection->getChildrenOfKind<slang::DeclReflection::Kind::Struct>())
{
count++;
}
SLANG_CHECK(count == 2);
count = 0;
for (auto* child : moduleDeclReflection->getChildrenOfKind<slang::DeclReflection::Kind::Generic>())
{
count++;
}
SLANG_CHECK(count == 1);
}
}
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