From 34bdc97ba790bc876ff7735e234003013b28c800 Mon Sep 17 00:00:00 2001
From: kevstone <kev@apperoso.com>
Date: Sat, 13 Jan 2024 21:34:11 +0000
Subject: [PATCH] Added code_interface_converter

---
 .../code_interface_converter.py               | 36 +++++++++++++++++++
 .../code_object_converter/conversion_data.py  |  8 +++++
 .../default/default_ccode_converter.py        |  9 +++++
 3 files changed, 53 insertions(+)
 create mode 100755 src/clang_convert/code_object_converter/code_interface_converter.py
 create mode 100755 src/clang_convert/code_object_converter/conversion_data.py

diff --git a/src/clang_convert/code_object_converter/code_interface_converter.py b/src/clang_convert/code_object_converter/code_interface_converter.py
new file mode 100755
index 000000000..2b5d66a4a
--- /dev/null
+++ b/src/clang_convert/code_object_converter/code_interface_converter.py
@@ -0,0 +1,36 @@
+import code_object.code_interface as code_interface
+import code_object_converter.conversion_data as conversion_data
+import code_object.code_objects as code_objects
+import copy
+import debug
+
+# Base class for converting a C code object to C++
+#
+# Call convert_ccode_object() for generic convert behaviour
+class CodeInterfaceConverter:
+    def __init__(self, ccode_object) -> None:
+        assert isinstance(ccode_object, code_interface.CodeInterface), f"Cannot convert object of type [{type(ccode_object)}]"
+        self._ccode_object = ccode_object
+    
+    # Convert the ccode_object to a cpp_code_object
+    # It must be overridden - this version just returns a copy of the ccode_object
+    def to_cpp_code_object(self, conversion_data):
+        cpp_code_object = copy.deepcopy(self._ccode_object)
+        debug.line("to_cpp_code", f"Base version - just returning a copy of the C code object")
+        return cpp_code_object
+    
+# Mapping from C code objects to their converters
+CodeInterfaceConverterClasses = {
+#    code_interface.CodeInterface: CodeInterfaceConverter,
+}
+
+# Convert a collection of C code_objects into C++ code_objects
+def convert_ccode_objects(ccode_objects, conversion_data):
+    cpp_code_objects = code_objects.CodeObjects()
+    for obj in ccode_objects.code_objects:
+        converter_class = CodeInterfaceConverterClasses.get(type(obj), CodeInterfaceConverter)
+        debug.line("convert_ccode_object", f"ccode_object type=[{type(obj)}] converter_class=[{type(converter_class)}]")
+        converter = converter_class(obj)
+        cpp_code_objects.add_code_object(obj)
+
+    return cpp_code_objects
diff --git a/src/clang_convert/code_object_converter/conversion_data.py b/src/clang_convert/code_object_converter/conversion_data.py
new file mode 100755
index 000000000..66f2be0e5
--- /dev/null
+++ b/src/clang_convert/code_object_converter/conversion_data.py
@@ -0,0 +1,8 @@
+
+# Contains data to be used by the converters.
+#
+# The converters will add/update the entries here as required
+class ConversionData:
+    def __init__(self) -> None:
+        pass
+    
diff --git a/src/clang_convert/default/default_ccode_converter.py b/src/clang_convert/default/default_ccode_converter.py
index 6e7c197d5..362b53fab 100755
--- a/src/clang_convert/default/default_ccode_converter.py
+++ b/src/clang_convert/default/default_ccode_converter.py
@@ -5,6 +5,8 @@ import default.default_cast_parser as default_cast_parser
 import code_object.cppfunction as cppfunction
 import code_object_converter.cfuncsig_converter as cfuncsig_converter
 import default.default_cppcode as default_cppcode
+import code_object_converter.conversion_data as conversion_data 
+import code_object_converter.code_interface_converter as code_interface_converter
 
 # Convert a CCode object into a CppCode object, using the cconverter and derived classes as helpers
 
@@ -25,6 +27,7 @@ class DefaultCCodeConverter:
     def convert(self):
         self.create_cpp_code()
         self.create_transforms()
+        self.create_conversion_data()
         self.convert_global_declarations()
         self.convert_functions()
 
@@ -36,10 +39,16 @@ class DefaultCCodeConverter:
     def create_transforms(self):
         self._transforms = transforms.Transforms()
 
+    def create_conversion_data(self):
+        self._conversion_data = conversion_data.ConversionData()
+
     def convert_global_declarations(self):
         global_decl_ast_parser = self.cast_parser_class()
         global_decl_ccode_objects = global_decl_ast_parser.to_ccode_objects(self._ccode.global_declarations, self._transforms, self._ccode.macro_details)
         debug.line("convert_global_declarations", global_decl_ccode_objects.as_lines())
+        global_decl_cpp_code_objects = code_interface_converter.convert_ccode_objects(global_decl_ccode_objects, self._conversion_data)
+        debug.line("convert_global_declarations", f"Converted C++ code...")
+        debug.line("convert_global_declarations", global_decl_cpp_code_objects.as_lines())
 
     # Helper to create the funcsig mapping and update the transforms
     def convert_cfunction_funcsig(self, cfunc):