[nnc] Remove C generating backend (#7545)

Remove C generating backend skeleton.

Signed-off-by: Sergei Barannikov <s.barannikov@samsung.com>

1 files changed, 55 insertions, 12 deletions

diff --git a/compiler/nnc/include/backends/soft_backend/CPPGenerator.h b/compiler/nnc/include/backends/soft_backend/CPPGenerator.h
index 666a67046..8bb707c25 100644
--- a/compiler/nnc/include/backends/soft_backend/CPPGenerator.h
+++ b/compiler/nnc/include/backends/soft_backend/CPPGenerator.h
@@ -17,11 +17,18 @@
 #ifndef _NNC_SOFT_BACKEND_CPP_GENERATOR_H_
 #define _NNC_SOFT_BACKEND_CPP_GENERATOR_H_
 
-#include "BaseGenerator.h"
+#include "mir/Graph.h"
+
+#include <ostream>
+#include <string>
+#include <vector>
 
 namespace nnc
 {
 
+class ModelAnalyzer;
+class Serializer;
+
 namespace sir
 {
 struct TensorDescriptor;
@@ -37,11 +44,29 @@ struct DestroyTmp;
  * This includes header file generation, code file generation and variable renaming according to C++
  * naming requirements
  */
-class CPPCodeGenerator final : public BaseCodeGenerator
+class CPPCodeGenerator final
 {
-protected:
-  void formatTensorNames(const ModelAnalyzer &ma) override;
-  void materializeHeader(std::ostream &out, const ModelAnalyzer &ma) override;
+public:
+  /**
+   * @brief Method represents base generation sequence: analysis, serialization, header/code
+   * generation, etc
+   * @param graph MIR graph
+   */
+  void run(mir::Graph *graph);
+
+private:
+  /**
+   * @brief This function processes tensor names
+   * to transform them into valid identificators of target language
+   * @param ma Intermediate artifact information
+   */
+  void formatTensorNames(const ModelAnalyzer &ma);
+  /**
+   * @brief Derivative classes should override this function to generate header of artifact
+   * @param out Stream to write header text
+   * @param ma Intermediate artifact information
+   */
+  void materializeHeader(std::ostream &out, const ModelAnalyzer &ma);
 
   /**
    * @brief Form list of function call arguments
@@ -49,7 +74,7 @@ protected:
    * @param argIds List of argument variable ids
    * @param args Result list of arguments transformed in form of strings
    */
-  void gatherOperationArguments(const ModelAnalyzer &ma, const std::vector<size_t> &arg_ids,
+  void gatherOperationArguments(const ModelAnalyzer &ma, const std::vector<std::size_t> &arg_ids,
                                 std::vector<std::string> &args);
   /**
    * @brief Prints setter of artifact
@@ -75,8 +100,7 @@ protected:
    * @param ma Intermediate model representation
    * @param call Action to generate code from
    */
-  void materializeCall(std::ostream &out, const ModelAnalyzer &ma,
-                       const nnc::sir::CallFunction *call);
+  void materializeCall(std::ostream &out, const ModelAnalyzer &ma, const sir::CallFunction *call);
   /**
    * @brief Generate code for transpose action
    * @param out Output stream to print
@@ -84,7 +108,7 @@ protected:
    * @param action Action to generate code from
    */
   void materializeTranspose(std::ostream &out, const ModelAnalyzer &ma,
-                            const nnc::sir::TransposeTensor *transpose);
+                            const sir::TransposeTensor *transpose);
   /**
    * @brief Generate code for constructor action
    * @param out Output stream to print
@@ -92,7 +116,7 @@ protected:
    * @param action Action to generate code from
    */
   void materializeConstructor(std::ostream &out, const ModelAnalyzer &ma,
-                              const nnc::sir::CreateTmp *constructor);
+                              const sir::CreateTmp *constructor);
   /**
    * @brief Generate code for destructor action
    * @param out Output stream to print
@@ -100,14 +124,33 @@ protected:
    * @param action Action to generate code from
    */
   void materializeDestructor(std::ostream &out, const ModelAnalyzer &ma,
-                             const nnc::sir::DestroyTmp *destructor);
+                             const sir::DestroyTmp *destructor);
   /**
    * @brief Prints inference sequence placed in doInference method of artifact
    * @param out Output stream
    * @param ma Intermediate model representation
    */
   void materializeInferenceSequence(std::ostream &out, const ModelAnalyzer &ma);
-  void materializeCode(std::ostream &out, const ModelAnalyzer &ma, const Serializer &s) override;
+  /**
+   * @brief Derivative classes should override this function to generate implementation of artifact
+   * @param out Stream to write header text
+   * @param ma Intermediate artifact information
+   * @param s Serializer holds parameters of network and various meta-information: serializer
+   * version, hashes, etc
+   */
+  void materializeCode(std::ostream &out, const ModelAnalyzer &ma, const Serializer &s);
+  /**
+   * @brief Writes serialized parameters to out stream
+   * @param out Stream to write serialized parameters
+   * @param s Serializer holds parameters of network
+   *
+   * Contents of generated file:
+   * + header(magic number to identify file type, protocol version, hashes of network and params)
+   * + array of serialized network parameters
+   */
+  void materializeModelParams(std::ostream &out, const Serializer &s);
+
+  std::vector<std::string> _formattedTensors;
 };
 
 } // namespace nnc