add a macro for detecting incorrect number of parameters in opencl

Change-Id: Id8253537025cc373c1ff183c0059158489e11750
Reviewed-on: https://gerrit.libreoffice.org/64239
Tested-by: Jenkins
Reviewed-by: Luboš Luňák <l.lunak@collabora.com>

sc/source/core/opencl/formulagroupcl.cxx

@@ -4053,6 +4053,13 @@ DynamicKernel* DynamicKernel::create( const ScCalcConfig& rConfig, const ScToken
         delete pDynamicKernel;
         return nullptr;
     }
+    catch (const InvalidParameterCount& ipc)
+    {
+        SAL_INFO("sc.opencl", "Dynamic formula compiler: InvalidParameterCount " << ipc.mParameterCount
+            << " at " << ipc.mFile << ":" << ipc.mLineNumber);
+        delete pDynamicKernel;
+        return nullptr;
+    }
     catch (const OpenCLError& oce)
     {
         // I think OpenCLError exceptions are actually exceptional (unexpected), so do use SAL_WARN

sc/source/core/opencl/opbase.cxx

@@ -34,6 +34,9 @@ OpenCLError::OpenCLError( const std::string& function, cl_int error, const std::
 Unhandled::Unhandled( const std::string& fn, int ln ) :
     mFile(fn), mLineNumber(ln) {}
 
+InvalidParameterCount::InvalidParameterCount( int parameterCount, const std::string& file, int ln ) :
+    mParameterCount(parameterCount), mFile(file), mLineNumber(ln) {}
+
 DynamicKernelArgument::DynamicKernelArgument( const ScCalcConfig& config, const std::string& s,
     const FormulaTreeNodeRef& ft ) :
     mCalcConfig(config), mSymName(s), mFormulaTree(ft) { }

sc/source/core/opencl/opbase.hxx

@@ -60,6 +60,25 @@ public:
     int const mLineNumber;
 };
 
+class InvalidParameterCount
+{
+public:
+    InvalidParameterCount( int parameterCount, const std::string& file, int ln );
+
+    int mParameterCount;
+    std::string mFile;
+    int const mLineNumber;
+};
+
+// Helper macro to be used in code emitting OpenCL code for Calc functions.
+// Requires the vSubArguments parameter.
+#define CHECK_PARAMETER_COUNT(min, max) \
+    do { \
+        const int count = vSubArguments.size(); \
+        if( count < ( min ) || count > ( max )) \
+            throw InvalidParameterCount( count, __FILE__, __LINE__ ); \
+    } while( false )
+
 typedef std::shared_ptr<FormulaTreeNode> FormulaTreeNodeRef;
 
 class FormulaTreeNode