add logs

src/args.c

@@ -5,6 +5,7 @@
 
 #include "args.h"
 #include "config.h"
+#include "logs.h"
 
 void print_help(int status_code) {
   puts(PACKAGE " " VERSION "\n\n"
@@ -26,12 +27,12 @@ void print_help(int status_code) {
 }
 
 void invalid_arg(char *arg) {
-  fprintf(stderr, "invalid argument: '%s'\n\n", arg);
+  log_error("invalid argument: '%s'", arg);
   print_help(EXIT_FAILURE);
 }
 
 void invalid_value(char *arg, char *value) {
-  fprintf(stderr, "invalid value for argument '%s': '%s'\n\n", arg, value);
+  log_error("invalid value for argument '%s': '%s'", arg, value);
   print_help(EXIT_FAILURE);
 }
 
@@ -95,7 +96,7 @@ Parameters parse_args(int argc, char **argv) {
   }
 
   if (params.frag_path == 0) {
-    fprintf(stderr, "required argument -f/--frag\n\n");
+    log_error("required argument -f/--frag");
     exit(EXIT_FAILURE);
   }
 

src/file.c

@@ -4,6 +4,7 @@
 #include <sys/stat.h>
 #include <sys/types.h>
 
+#include "logs.h"
 #include "types.h"
 
 time_t get_file_time(File file) {
@@ -23,6 +24,7 @@ void update_file(File *file) {
   if (file->content != 0) {
     free(file->content);
   }
+  log_info("Reading '%s'...", file->path);
   // init empty file
   file->content = 0;
   file->error = false;
@@ -31,6 +33,7 @@ void update_file(File *file) {
   FILE *file_pointer = fopen(file->path, "rb");
   if (!file_pointer) {
     file->error = true;
+    log_error("Cannot open file '%s'", file->path);
     return;
   }
   // read file length
@@ -42,6 +45,7 @@ void update_file(File *file) {
   if (!file->content) {
     file->error = true;
     fclose(file_pointer);
+    log_error("Cannot read file '%s'", file->path);
     return;
   }
   // read file

src/forge.c

@@ -1,15 +1,15 @@
 #include <linmath.h>
 #include <stdbool.h>
-#include <stdio.h>
 #include <stdlib.h>
 
 #include "file.h"
+#include "logs.h"
 #include "shaders.h"
 #include "types.h"
 #include "window.h"
 
 void error_callback(int error, const char *description) {
-  fprintf(stderr, "Error %d: %s\n", error, description);
+  log_error("[GLFW] %d: %s", error, description);
   close_window(0, true);
   exit(EXIT_FAILURE);
 }
@@ -45,7 +45,6 @@ void forge_run(Parameters params) {
   File fragment_shader = read_file(params.frag_path);
 
   if (fragment_shader.error) {
-    fprintf(stderr, "Cannot read file\n");
     exit(EXIT_FAILURE);
   }
 
@@ -54,7 +53,6 @@ void forge_run(Parameters params) {
   ShaderProgram program = init_program(fragment_shader);
 
   if (program.error) {
-    fprintf(stderr, "Failed to compile shaders\n");
     close_window(window, true);
     exit(EXIT_FAILURE);
   }

src/logs.h

@@ -0,0 +1,29 @@
+#include <stdio.h>
+
+#ifndef LOG_H
+#define LOG_H
+
+#define ANSI_COLOR_RED "\x1b[31m"
+#define ANSI_COLOR_GREEN "\x1b[32m"
+#define ANSI_COLOR_YELLOW "\x1b[33m"
+#define ANSI_COLOR_BLUE "\x1b[34m"
+#define ANSI_COLOR_MAGENTA "\x1b[35m"
+#define ANSI_COLOR_CYAN "\x1b[36m"
+#define ANSI_COLOR_RESET "\x1b[0m"
+
+#define log_debug(format, ...)                                                 \
+  fprintf(stderr, ANSI_COLOR_MAGENTA "[DEBUG] " format ANSI_COLOR_RESET        \
+                                     "\n" __VA_OPT__(, ) __VA_ARGS__)
+#define log_success(format, ...)                                               \
+  fprintf(stdout, ANSI_COLOR_GREEN "[SUCCESS] " format ANSI_COLOR_RESET        \
+                                   "\n" __VA_OPT__(, ) __VA_ARGS__)
+#define log_info(format, ...)                                                  \
+  fprintf(stdout, "[INFO] " format "\n" __VA_OPT__(, ) __VA_ARGS__)
+#define log_warn(format, ...)                                                  \
+  fprintf(stderr, ANSI_COLOR_YELLOW "[WARN] " format ANSI_COLOR_RESET          \
+                                    "\n" __VA_OPT__(, ) __VA_ARGS__)
+#define log_error(format, ...)                                                 \
+  fprintf(stderr, ANSI_COLOR_RED "[ERROR] " format ANSI_COLOR_RESET            \
+                                 "\n" __VA_OPT__(, ) __VA_ARGS__)
+
+#endif

src/shaders.c

@@ -1,15 +1,17 @@
 #include <glad/gl.h>
 #include <linmath.h>
 #include <stddef.h>
-#include <stdio.h>
 
 #include "constants.h"
+#include "logs.h"
 #include "types.h"
 
 bool compile_shader(GLuint shader_id, char *name, char *source_code) {
   GLint status_params;
   char log[1024];
 
+  log_info("Compiling '%s'...", name);
+
   // update shader source code
   glShaderSource(shader_id, 1, (const GLchar **)&source_code, NULL);
 
@@ -21,9 +23,9 @@ bool compile_shader(GLuint shader_id, char *name, char *source_code) {
   glGetShaderInfoLog(shader_id, 1024, NULL, (GLchar *)&log);
 
   if (status_params == GL_FALSE) {
-    fprintf(stderr, "Failed to compile shader '%s'\n%s\n", name, log);
+    log_error("Failed to compile\n%s", log);
   } else {
-    fprintf(stdout, "Compiled shader '%s'\n", name);
+    log_success("Compilation successful");
   }
 
   return status_params == GL_TRUE;
@@ -72,6 +74,8 @@ ShaderProgram init_program(File fragment_shader) {
   glVertexAttribPointer(program.vpos_location, 2, GL_FLOAT, GL_FALSE,
                         sizeof(Vertex), (void *)offsetof(Vertex, pos));
 
+  log_success("Program initialized");
+
   return program;
 }
 
@@ -84,6 +88,8 @@ void update_program(ShaderProgram program, File fragment_shader) {
   if (result) {
     // re-link program
     glLinkProgram(program.program);
+
+    log_success("Program updated");
   }
 }
 

src/window.c

@@ -5,21 +5,24 @@
 #include <stdlib.h>
 
 #include "config.h"
+#include "logs.h"
 #include "types.h"
 
 #define GLAD_GL_IMPLEMENTATION
 #include <glad/gl.h>
 
 void init_glfw(void (*error_callback)(int, const char *)) {
+  log_info("[GLFW] Initializing...");
+
   // set errors handler
   glfwSetErrorCallback(error_callback);
 
   // print current GLFW version
-  fprintf(stdout, "[GLFW] %s\n", glfwGetVersionString());
+  log_info("[GLFW] %s", glfwGetVersionString());
 
   // init GLFW
   if (!glfwInit()) {
-    fprintf(stderr, "[GLFW] Initialization failed\n");
+    log_error("[GLFW] Initialization failed");
     exit(EXIT_FAILURE);
   }
 
@@ -27,6 +30,8 @@ void init_glfw(void (*error_callback)(int, const char *)) {
   glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
   glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 6);
   glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
+
+  log_success("[GLFS] Initialized...");
 }
 
 GLFWmonitor *get_monitor(unsigned char screen_index) {
@@ -36,8 +41,8 @@ GLFWmonitor *get_monitor(unsigned char screen_index) {
 
   // check selected monitor availability
   if (screen_index >= count) {
-    fprintf(stderr, "Screen %d is out of range [0-%d]\n", screen_index,
-            count - 1);
+    log_error("[GLFW] Screen %d is out of range [0-%d]", screen_index,
+              count - 1);
     glfwTerminate();
     exit(EXIT_FAILURE);
   }
@@ -47,6 +52,9 @@ GLFWmonitor *get_monitor(unsigned char screen_index) {
 
 GLFWwindow *create_window(GLFWmonitor *monitor,
                           void (*key_callback)(Window *, int, int, int, int)) {
+
+  log_info("[GLFW] Creating window...");
+
   // Window related hints
   glfwWindowHint(GLFW_DECORATED, GLFW_FALSE);
   glfwWindowHint(GLFW_FOCUSED, GLFW_FALSE);
@@ -59,7 +67,7 @@ GLFWwindow *create_window(GLFWmonitor *monitor,
 
   // handle window creation fail
   if (!window) {
-    fprintf(stderr, "[GLFW] Window or context creation failed\n");
+    log_error("[GLFW] Window or context creation failed");
     glfwTerminate();
     exit(EXIT_FAILURE);
   }
@@ -69,6 +77,8 @@ GLFWwindow *create_window(GLFWmonitor *monitor,
   // hide cursor
   glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_HIDDEN);
 
+  log_success("[GLFW] Window created");
+
   return window;
 }
 
@@ -117,8 +127,10 @@ Context get_window_context(Window *window) {
 
 void close_window(Window *window, bool hard) {
   if (hard) {
+    log_info("[GLFW] Terminating library...");
     glfwTerminate();
   } else {
+    log_info("[GLFW] Closing window...");
     glfwSetWindowShouldClose(window, GLFW_TRUE);
   }
 }