Added partial sketch prototype resolving

It detects which prototypes need to be generated, based on the def-dec matching ability previously added

Author: MrPointer

cmake/Platform/Sketches/SketchManager.cmake

@@ -31,8 +31,8 @@ function(add_sketch_to_target _target_name _sketch_file)
     if (CONVERT_SKETCHES_IF_CONVERTED_SOURCES_EXISTS OR NOT EXISTS ${sketch_converted_source_path})
 
         resolve_sketch_headers(${_target_name} ${_sketch_file} sketch_headers)
-
         resolve_sketch_libraries(${_target_name} ${_sketch_file} "${sketch_headers}")
+        resolve_sketch_prototypes(${_sketch_file} "${sketch_headers}" sketch_prototypes)
 
         convert_sketch_to_source(${_sketch_file} ${sketch_converted_source_path})
 

cmake/Platform/Sketches/SketchPrototypesResolver.cmake

@@ -0,0 +1,21 @@
+function(resolve_sketch_prototypes _sketch_file _resolved_sketch_headers _return_var)
+
+    get_source_function_definitions(${_sketch_file} sketch_func_defines)
+    if (NOT sketch_func_defines) # Source has no function definitions at all
+        return()
+    endif ()
+
+    list(APPEND _resolved_sketch_headers "${_sketch_file}")
+
+    foreach (func_def ${sketch_func_defines})
+
+        match_function_declaration("${func_def}" "${_resolved_sketch_headers}" match)
+
+        if (${match} MATCHES "NOTFOUND")
+            # ToDo: Append signature to list of prototypes to create
+            message("Coludn't find a matching declaration for `${func_def}`")
+        endif ()
+
+    endforeach ()
+
+endfunction()

cmake/Platform/Sketches/SketchSourceConverter.cmake

@@ -95,7 +95,8 @@ function(convert_sketch_to_source _sketch_file _converted_source_path)
 
     file(STRINGS "${_sketch_file}" sketch_loc)
 
-    set(header_insert_pattern "${ARDUINO_CMAKE_HEADER_INCLUDE_REGEX_PATTERN}|${ARDUINO_CMAKE_FUNCTION_REGEX_PATTERN}")
+    set(header_insert_pattern
+            "${ARDUINO_CMAKE_HEADER_INCLUDE_REGEX_PATTERN}|${ARDUINO_CMAKE_FUNCTION_DEFINITION_REGEX_PATTERN}")
     set(header_inserted FALSE)
 
     list(LENGTH sketch_loc num_of_loc)

cmake/Platform/Sketches/Sketches.cmake

@@ -1,4 +1,5 @@
 include(SketchHeadersResolver)
 include(SketchLibrariesResolver)
+include(SketchPrototypesResolver)
 include(SketchSourceConverter)
 include(SketchManager)

examples/sketch/sketch2.pde

@@ -2,7 +2,10 @@
 
 int x = 5;
 
+int bar(short, int b);
+
 void foo()
 {
     Serial.print(x);
+    bar(5, 6);
 }