Add host shared library target. (#4098)

* Add host shared library target.

* Attempt fix.

* Fix warnings.

* try fix.

* Fix test.

* Fix.

12 files changed, 30 insertions, 4 deletions

diff --git a/source/slang/slang-ast-dump.cpp b/source/slang/slang-ast-dump.cpp
index 0019b2130..0986d7284 100644
--- a/source/slang/slang-ast-dump.cpp
+++ b/source/slang/slang-ast-dump.cpp
@@ -677,6 +677,7 @@ struct ASTDumpContext
             break;
         case SPIRVAsmOperand::RayCallableFromLocation:
             m_writer->emit("__rayCallableFromLocation");
+            break;
         case SPIRVAsmOperand::BuiltinVar:
             m_writer->emit("builtin");
             break;
diff --git a/source/slang/slang-check-stmt.cpp b/source/slang/slang-check-stmt.cpp
index f7b085579..2af8f7d08 100644
--- a/source/slang/slang-check-stmt.cpp
+++ b/source/slang/slang-check-stmt.cpp
@@ -267,7 +267,7 @@ namespace Slang
                     }
                 }
             }
-            else if (auto defaultStmt = as<DefaultStmt>(sStmt))
+            else if (as<DefaultStmt>(sStmt))
             {
                 // check that there is at most one `default` clause
                 if (hasDefaultStmt)
diff --git a/source/slang/slang-compiler.cpp b/source/slang/slang-compiler.cpp
index 1f1bed902..b2b765c0e 100644
--- a/source/slang/slang-compiler.cpp
+++ b/source/slang/slang-compiler.cpp
@@ -539,6 +539,7 @@ namespace Slang
             case CodeGenTarget::ShaderSharedLibrary:
             case CodeGenTarget::HostExecutable:
             case CodeGenTarget::HostHostCallable:
+            case CodeGenTarget::HostSharedLibrary:
             {
                 // We need some C/C++ compiler
                 return PassThroughMode::GenericCCpp;
@@ -955,6 +956,7 @@ namespace Slang
             }
             case CodeGenTarget::HostHostCallable:
             case CodeGenTarget::HostExecutable:
+            case CodeGenTarget::HostSharedLibrary:
             {
                 return CodeGenTarget::HostCPPSource;
             }
@@ -1279,8 +1281,14 @@ namespace Slang
         // Set the source type
         options.sourceLanguage = SlangSourceLanguage(sourceLanguage);
         
-        // Disable exceptions and security checks
-        options.flags &= ~(CompileOptions::Flag::EnableExceptionHandling | CompileOptions::Flag::EnableSecurityChecks);
+        switch (target)
+        {
+        case CodeGenTarget::ShaderHostCallable:
+        case CodeGenTarget::ShaderSharedLibrary:
+            // Disable exceptions and security checks
+            options.flags &= ~(CompileOptions::Flag::EnableExceptionHandling | CompileOptions::Flag::EnableSecurityChecks);
+            break;
+        }
 
         Profile profile;
 
@@ -1586,6 +1594,7 @@ namespace Slang
             case CodeGenTarget::ShaderSharedLibrary:
             case CodeGenTarget::HostExecutable:
             case CodeGenTarget::HostHostCallable:
+            case CodeGenTarget::HostSharedLibrary:
                 SLANG_RETURN_ON_FAIL(emitWithDownstreamForEntryPoints(outArtifact));
                 return SLANG_OK;
 
@@ -1617,6 +1626,7 @@ namespace Slang
         case CodeGenTarget::ShaderHostCallable:
         case CodeGenTarget::ShaderSharedLibrary:
         case CodeGenTarget::HostExecutable:
+        case CodeGenTarget::HostSharedLibrary:
             {
                 SLANG_RETURN_ON_FAIL(_emitEntryPoints(outArtifact));
 
diff --git a/source/slang/slang-compiler.h b/source/slang/slang-compiler.h
index 2711da3c9..fc97a2f47 100755
--- a/source/slang/slang-compiler.h
+++ b/source/slang/slang-compiler.h
@@ -85,6 +85,7 @@ namespace Slang
         PyTorchCppBinding   = SLANG_CPP_PYTORCH_BINDING,
         HostCPPSource       = SLANG_HOST_CPP_SOURCE,
         HostExecutable      = SLANG_HOST_EXECUTABLE,
+        HostSharedLibrary   = SLANG_HOST_SHARED_LIBRARY,
         ShaderSharedLibrary = SLANG_SHADER_SHARED_LIBRARY,
         ShaderHostCallable  = SLANG_SHADER_HOST_CALLABLE,
         CUDASource          = SLANG_CUDA_SOURCE,
diff --git a/source/slang/slang-emit-cpp.cpp b/source/slang/slang-emit-cpp.cpp
index 2b1f6ad81..7e327cab4 100644
--- a/source/slang/slang-emit-cpp.cpp
+++ b/source/slang/slang-emit-cpp.cpp
@@ -329,6 +329,7 @@ SlangResult CPPSourceEmitter::calcTypeName(IRType* type, CodeGenTarget target, S
                 out << ">";
                 return SLANG_OK;
             }
+            return SLANG_FAIL;
         }
         case kIROp_IntLit:
         {
@@ -1728,6 +1729,10 @@ void CPPSourceEmitter::emitPreModuleImpl()
         m_writer->emit("using namespace SLANG_PRELUDE_NAMESPACE;\n");
         m_writer->emit("#endif\n\n");
     }
+    else if (m_target == CodeGenTarget::HostCPPSource)
+    {
+        m_writer->emit("namespace Slang{ inline void handleSignal(SignalType, char const*) {} }\n");
+    }
     Super::emitPreModuleImpl();
 }
 
diff --git a/source/slang/slang-emit-glsl.cpp b/source/slang/slang-emit-glsl.cpp
index d768cff97..f9fa90d2f 100644
--- a/source/slang/slang-emit-glsl.cpp
+++ b/source/slang/slang-emit-glsl.cpp
@@ -2190,7 +2190,7 @@ void GLSLSourceEmitter::handleRequiredCapabilitiesImpl(IRInst* inst)
         {
             _requireGLSLExtension(requireGLSLExt->getExtensionName());
         }
-        else if (auto requireComputeDerivative = as<IRRequireComputeDerivative>(childInst))
+        else if (const auto requireComputeDerivative = as<IRRequireComputeDerivative>(childInst))
         {
             // only allowed 1 of derivative_group_quadsNV or derivative_group_linearNV
             if (m_entryPointStage != Stage::Compute
diff --git a/source/slang/slang-emit-spirv.cpp b/source/slang/slang-emit-spirv.cpp
index 106248ef8..a7cdfc8a3 100644
--- a/source/slang/slang-emit-spirv.cpp
+++ b/source/slang/slang-emit-spirv.cpp
@@ -1957,6 +1957,7 @@ struct SPIRVEmitContext
                             format = SpvImageFormatRgba8;
                             break;
                         }
+                        break;
                     case kIROp_SNormAttr:
                         switch (vectorSize)
                         {
@@ -1973,6 +1974,7 @@ struct SPIRVEmitContext
                             format = SpvImageFormatRgba8Snorm;
                             break;
                         }
+                        break;
                     }
                 }
             }
diff --git a/source/slang/slang-ir-layout.cpp b/source/slang/slang-ir-layout.cpp
index 3ac022f68..f35fa6750 100644
--- a/source/slang/slang-ir-layout.cpp
+++ b/source/slang/slang-ir-layout.cpp
@@ -96,6 +96,7 @@ static Result _calcSizeAndAlignment(
     case CodeGenTarget::HostCPPSource:
     case CodeGenTarget::HostHostCallable:
     case CodeGenTarget::HostExecutable:
+    case CodeGenTarget::HostSharedLibrary:
         kPointerSize = (int)sizeof(void*);
         break;
     }
diff --git a/source/slang/slang-ir-util.cpp b/source/slang/slang-ir-util.cpp
index 1fccf3e27..51b8344f6 100644
--- a/source/slang/slang-ir-util.cpp
+++ b/source/slang/slang-ir-util.cpp
@@ -537,6 +537,7 @@ void getTypeNameHint(StringBuilder& sb, IRInst* type)
         break;
     case kIROp_GLSLAtomicUintType:
         sb << "AtomicCounter";
+        break;
     case kIROp_RaytracingAccelerationStructureType:
         sb << "RayTracingAccelerationStructure";
         break;
diff --git a/source/slang/slang-options.cpp b/source/slang/slang-options.cpp
index 805ea0fff..b6fcafb61 100644
--- a/source/slang/slang-options.cpp
+++ b/source/slang/slang-options.cpp
@@ -2824,6 +2824,7 @@ SlangResult OptionsParser::_parse(
                     case CodeGenTarget::ShaderHostCallable:
                     case CodeGenTarget::HostExecutable:
                     case CodeGenTarget::ShaderSharedLibrary:
+                    case CodeGenTarget::HostSharedLibrary:
                     case CodeGenTarget::PyTorchCppBinding:
                     case CodeGenTarget::DXIL:
                     case CodeGenTarget::MetalLib:
diff --git a/source/slang/slang-type-layout.cpp b/source/slang/slang-type-layout.cpp
index d81cc92cd..83901ecc4 100644
--- a/source/slang/slang-type-layout.cpp
+++ b/source/slang/slang-type-layout.cpp
@@ -1756,6 +1756,7 @@ LayoutRulesFamilyImpl* getDefaultLayoutRulesFamilyForTarget(TargetRequest* targe
     case CodeGenTarget::HostHostCallable:
     case CodeGenTarget::ShaderHostCallable:
     case CodeGenTarget::HostExecutable:
+    case CodeGenTarget::HostSharedLibrary:
     case CodeGenTarget::ShaderSharedLibrary:
     case CodeGenTarget::CPPSource:
     case CodeGenTarget::CSource:
@@ -2057,6 +2058,7 @@ SourceLanguage getIntermediateSourceLanguageForTarget(TargetProgram* targetProgr
             return SourceLanguage::C;
         }
         case CodeGenTarget::ShaderSharedLibrary:
+        case CodeGenTarget::HostSharedLibrary:
         case CodeGenTarget::ObjectCode:
         case CodeGenTarget::HostExecutable:
         case CodeGenTarget::HostHostCallable:
diff --git a/source/slang/slang.cpp b/source/slang/slang.cpp
index 9b612b340..45a6933de 100644
--- a/source/slang/slang.cpp
+++ b/source/slang/slang.cpp
@@ -246,6 +246,7 @@ void Session::_initCodeGenTransitionMap()
             // is available. We prefer LLVM if that's available. If it's not we can use generic C/C++ compiler
 
             map.addTransition(source, CodeGenTarget::ShaderSharedLibrary, PassThroughMode::GenericCCpp);
+            map.addTransition(source, CodeGenTarget::HostSharedLibrary, PassThroughMode::GenericCCpp);
             map.addTransition(source, CodeGenTarget::HostExecutable, PassThroughMode::GenericCCpp);
             map.addTransition(source, CodeGenTarget::ObjectCode, PassThroughMode::GenericCCpp);
         }
@@ -1709,6 +1710,7 @@ CapabilitySet TargetRequest::getTargetCaps()
     case CodeGenTarget::PyTorchCppBinding:
     case CodeGenTarget::HostExecutable:
     case CodeGenTarget::ShaderSharedLibrary:
+    case CodeGenTarget::HostSharedLibrary:
     case CodeGenTarget::HostHostCallable:
     case CodeGenTarget::ShaderHostCallable:
         atoms.add(CapabilityName::cpp);