Updating current work done in course

src/main.c

@@ -1,15 +1,19 @@
 #include <stdio.h>
+#include <stdint.h>
 #include <stdbool.h>
 #include <SDL2/SDL.h>
 
-bool is_running= false;
+bool is_running = false;
 SDL_Window* window = NULL;
 SDL_Renderer* renderer = NULL;
-
+// Also known as frame buffer in other books, pointer to an array of color_buffer
+uint32_t* color_buffer = NULL;
+int window_width = 800;
+int window_height = 600;
 
 bool initialize_window(void) {
     if (SDL_Init(SDL_INIT_EVERYTHING) != 0) {
-	fprintf(stderr, "Error initializing SDL.\n");
+        fprintf(stderr, "Error initializing SDL.\n");
 	return false;
 	
     }
@@ -18,8 +22,8 @@ bool initialize_window(void) {
 	NULL,
 	SDL_WINDOWPOS_CENTERED,
 	SDL_WINDOWPOS_CENTERED,
-	800,
+	window_width,
-	600,
+	window_height,
 	SDL_WINDOW_BORDERLESS
     );
     if (!window) {
@@ -38,7 +42,9 @@ bool initialize_window(void) {
 }
 
 void setup(void){
-    //TODO
+
+    // Allocates the memory required for color_buffer, using sizeof to allocate the # of bytes required
+    color_buffer = (uint32_t*) malloc(sizeof(uint32_t) * window_width * window_height);
 }
 
 void process_input(void){
@@ -58,13 +64,32 @@ void process_input(void){
 void update(void){
     //TODO
 }
+
+void clear_color_buffer(uint32_t color){
+    for (int y = 0; y < window_height; y++){
+	for (int x = 0; x < window_width; x++){
+	    color_buffer[(window_width * y) + x] = color;
+	}
+    }
+}
+
 void render(void){
     SDL_SetRenderDrawColor(renderer, 255, 0, 0, 255);
     SDL_RenderClear(renderer);
+    
+    clear_color_buffer(0xFFFFFF00);
 
     SDL_RenderPresent(renderer);
 }
 
+void destroy_window(void){
+    free(color_buffer);
+    SDL_DestroyRenderer(renderer);
+    SDL_DestroyWindow(window);
+    SDL_Quit();
+}
+
+
 int main(void) {    
     is_running = initialize_window();
 
@@ -77,5 +102,8 @@ int main(void) {
 	render();
     }
 
+    destroy_window();
+
+
     return 0;
 }

ycm_extra_conf.py

@@ -0,0 +1,220 @@
+# This file is NOT licensed under the GPLv3, which is the license for the rest
+# of YouCompleteMe.
+#
+# Here's the license text for this file:
+#
+# This is free and unencumbered software released into the public domain.
+#
+# Anyone is free to copy, modify, publish, use, compile, sell, or
+# distribute this software, either in source code form or as a compiled
+# binary, for any purpose, commercial or non-commercial, and by any
+# means.
+#
+# In jurisdictions that recognize copyright laws, the author or authors
+# of this software dedicate any and all copyright interest in the
+# software to the public domain. We make this dedication for the benefit
+# of the public at large and to the detriment of our heirs and
+# successors. We intend this dedication to be an overt act of
+# relinquishment in perpetuity of all present and future rights to this
+# software under copyright law.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+# OTHER DEALINGS IN THE SOFTWARE.
+#
+# For more information, please refer to <http://unlicense.org/>
+
+from sysconfig import get_path
+import platform
+import os.path as p
+import subprocess
+
+DIR_OF_THIS_SCRIPT = p.abspath( p.dirname( __file__ ) )
+DIR_OF_THIRD_PARTY = p.join( DIR_OF_THIS_SCRIPT, 'third_party' )
+DIR_OF_WATCHDOG_DEPS = p.join( DIR_OF_THIRD_PARTY, 'watchdog_deps' )
+SOURCE_EXTENSIONS = [ '.cpp', '.cxx', '.cc', '.c', '.m', '.mm' ]
+
+database = None
+
+# These are the compilation flags that will be used in case there's no
+# compilation database set (by default, one is not set).
+# CHANGE THIS LIST OF FLAGS. YES, THIS IS THE DROID YOU HAVE BEEN LOOKING FOR.
+flags = [
+'-Wall',
+'-Wextra',
+'-Werror',
+'-Wno-long-long',
+'-Wno-variadic-macros',
+'-fexceptions',
+'-DNDEBUG',
+# You 100% do NOT need -DUSE_CLANG_COMPLETER and/or -DYCM_EXPORT in your flags;
+# only the YCM source code needs it.
+'-DUSE_CLANG_COMPLETER',
+'-DYCM_EXPORT=',
+'-DYCM_ABSEIL_SUPPORTED',
+# THIS IS IMPORTANT! Without the '-x' flag, Clang won't know which language to
+# use when compiling headers. So it will guess. Badly. So C++ headers will be
+# compiled as C headers. You don't want that so ALWAYS specify the '-x' flag.
+# For a C project, you would set this to 'c' instead of 'c++'.
+'-x',
+'c++',
+'-isystem',
+'cpp/absl',
+'-isystem',
+'cpp/pybind11',
+'-isystem',
+'cpp/whereami',
+'-isystem',
+'cpp/BoostParts',
+'-isystem',
+get_path( 'include' ),
+'-isystem',
+'cpp/llvm/include',
+'-isystem',
+'cpp/llvm/tools/clang/include',
+'-I',
+'cpp/ycm',
+'-I',
+'cpp/ycm/ClangCompleter',
+'-isystem',
+'cpp/ycm/tests/gmock/googlemock/include',
+'-isystem',
+'cpp/ycm/tests/gmock/googletest/include',
+'-isystem',
+'cpp/ycm/benchmarks/benchmark/include',
+'-std=c++17',
+]
+
+# Set this to the absolute path to the folder (NOT the file!) containing the
+# compile_commands.json file to use that instead of 'flags'. See here for
+# more details: http://clang.llvm.org/docs/JSONCompilationDatabase.html
+#
+# You can get CMake to generate this file for you by adding:
+#   set( CMAKE_EXPORT_COMPILE_COMMANDS 1 )
+# to your CMakeLists.txt file.
+#
+# Most projects will NOT need to set this to anything; you can just change the
+# 'flags' list of compilation flags. Notice that YCM itself uses that approach.
+compilation_database_folder = ''
+
+
+def IsHeaderFile( filename ):
+  extension = p.splitext( filename )[ 1 ]
+  return extension in [ '.h', '.hxx', '.hpp', '.hh' ]
+
+
+def FindCorrespondingSourceFile( filename ):
+  if IsHeaderFile( filename ):
+    basename = p.splitext( filename )[ 0 ]
+    for extension in SOURCE_EXTENSIONS:
+      replacement_file = basename + extension
+      if p.exists( replacement_file ):
+        return replacement_file
+  return filename
+
+
+def PathToPythonUsedDuringBuild():
+  try:
+    filepath = p.join( DIR_OF_THIS_SCRIPT, 'PYTHON_USED_DURING_BUILDING' )
+    with open( filepath ) as f:
+      return f.read().strip()
+  except OSError:
+    return None
+
+
+def Settings( **kwargs ):
+  # Do NOT import ycm_core at module scope.
+  import ycm_core
+
+  global database
+  if database is None and p.exists( compilation_database_folder ):
+    database = ycm_core.CompilationDatabase( compilation_database_folder )
+
+  language = kwargs[ 'language' ]
+
+  if language == 'cfamily':
+    # If the file is a header, try to find the corresponding source file and
+    # retrieve its flags from the compilation database if using one. This is
+    # necessary since compilation databases don't have entries for header files.
+    # In addition, use this source file as the translation unit. This makes it
+    # possible to jump from a declaration in the header file to its definition
+    # in the corresponding source file.
+    filename = FindCorrespondingSourceFile( kwargs[ 'filename' ] )
+
+    if not database:
+      return {
+        'flags': flags,
+        'include_paths_relative_to_dir': DIR_OF_THIS_SCRIPT,
+        'override_filename': filename
+      }
+
+    compilation_info = database.GetCompilationInfoForFile( filename )
+    if not compilation_info.compiler_flags_:
+      return {}
+
+    # Bear in mind that compilation_info.compiler_flags_ does NOT return a
+    # python list, but a "list-like" StringVec object.
+    final_flags = list( compilation_info.compiler_flags_ )
+
+    # NOTE: This is just for YouCompleteMe; it's highly likely that your project
+    # does NOT need to remove the stdlib flag. DO NOT USE THIS IN YOUR
+    # ycm_extra_conf IF YOU'RE NOT 100% SURE YOU NEED IT.
+    try:
+      final_flags.remove( '-stdlib=libc++' )
+    except ValueError:
+      pass
+
+    return {
+      'flags': final_flags,
+      'include_paths_relative_to_dir': compilation_info.compiler_working_dir_,
+      'override_filename': filename
+    }
+
+  if language == 'python':
+    return {
+      'interpreter_path': PathToPythonUsedDuringBuild(),
+      'ls': {
+        'python': {
+          'analysis': {
+            'extraPaths': [
+              p.join( DIR_OF_THIS_SCRIPT ),
+              p.join( DIR_OF_THIRD_PARTY, 'bottle' ),
+              p.join( DIR_OF_THIRD_PARTY, 'regex-build' ),
+              p.join( DIR_OF_THIRD_PARTY, 'frozendict' ),
+              p.join( DIR_OF_THIRD_PARTY, 'jedi_deps', 'jedi' ),
+              p.join( DIR_OF_THIRD_PARTY, 'jedi_deps', 'parso' ),
+              p.join( DIR_OF_WATCHDOG_DEPS, 'watchdog', 'build', 'lib3' ),
+              p.join( DIR_OF_WATCHDOG_DEPS, 'pathtools' ),
+              p.join( DIR_OF_THIRD_PARTY, 'waitress' )
+            ],
+            'useLibraryCodeForTypes': True
+          }
+        }
+      }
+    }
+
+  return {}
+
+
+def PythonSysPath( **kwargs ):
+  sys_path = kwargs[ 'sys_path' ]
+
+  sys_path[ 0:0 ] = [ p.join( DIR_OF_THIS_SCRIPT ),
+                      p.join( DIR_OF_THIRD_PARTY, 'bottle' ),
+                      p.join( DIR_OF_THIRD_PARTY, 'regex-build' ),
+                      p.join( DIR_OF_THIRD_PARTY, 'frozendict' ),
+                      p.join( DIR_OF_THIRD_PARTY, 'jedi_deps', 'jedi' ),
+                      p.join( DIR_OF_THIRD_PARTY, 'jedi_deps', 'parso' ),
+                      p.join( DIR_OF_WATCHDOG_DEPS,
+                              'watchdog',
+                              'build',
+                              'lib3' ),
+                      p.join( DIR_OF_WATCHDOG_DEPS, 'pathtools' ),
+                      p.join( DIR_OF_THIRD_PARTY, 'waitress' ) ]
+
+  sys_path.append( p.join( DIR_OF_THIRD_PARTY, 'jedi_deps', 'numpydoc' ) )
+  return sys_path