[feature] global logger implemented

8 files changed, 220 insertions, 82 deletions

diff --git a/.clang-format b/.clang-format
new file mode 100644
index 0000000..3e44e3f
--- /dev/null
+++ b/.clang-format
@@ -0,0 +1,41 @@
+BasedOnStyle:  GNU
+AlignAfterOpenBracket: Align
+AllowAllParametersOfDeclarationOnNextLine: false
+AllowShortBlocksOnASingleLine: true
+AllowShortCaseLabelsOnASingleLine: true
+AllowShortFunctionsOnASingleLine: All
+# Uncommenting these lines will sometimes result in lines following an
+# if(){} or for(){} block being attached to the end of the block.
+# AllowShortIfStatementsOnASingleLine: true
+# AllowShortLoopsOnASingleLine: true
+AlwaysBreakAfterDefinitionReturnType: None
+AlwaysBreakAfterReturnType: None
+BreakBeforeBraces: Custom
+BraceWrapping:
+  AfterClass:      true
+  AfterControlStatement: true
+  AfterEnum:       true
+  AfterFunction:   true
+  AfterNamespace:  true
+  AfterStruct:     true
+  AfterUnion:      true
+  AfterExternBlock: true
+  BeforeCatch:     true
+  BeforeElse:      true
+  IndentBraces:    true
+  SplitEmptyFunction: false
+  SplitEmptyRecord: false
+  SplitEmptyNamespace: false
+ContinuationIndentWidth: 2
+Cpp11BracedListStyle: true
+KeepEmptyLinesAtTheStartOfBlocks: false
+Language:        Cpp
+MaxEmptyLinesToKeep: 1
+NamespaceIndentation: All
+PenaltyExcessCharacter: 100
+PenaltyReturnTypeOnItsOwnLine: 1
+PointerAlignment: Right
+SortIncludes: false
+SpaceBeforeParens: Never
+SpacesInContainerLiterals: false
+Standard:        Cpp11
diff --git a/.gitignore b/.gitignore
index c504c0a..d20ee4d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,3 +20,5 @@ Makefile
 .DS_Store
 
 external/
+*.log
+*.ini
diff --git a/imgui.ini b/imgui.ini
deleted file mode 100644
index 9452231..0000000
--- a/imgui.ini
+++ /dev/null
@@ -1,10 +0,0 @@
-[Window][Debug##Default]
-Pos=60,60
-Size=400,400
-Collapsed=0
-
-[Window][BoltDBG - Demo]
-Pos=60,20
-Size=393,352
-Collapsed=0
-
diff --git a/include/boltdbg/util/logger.h b/include/boltdbg/util/logger.h
new file mode 100644
index 0000000..554f2c7
--- /dev/null
+++ b/include/boltdbg/util/logger.h
@@ -0,0 +1,26 @@
+#ifndef BOLTDBG_UTIL_LOGGER_H_
+#define BOLTDBG_UTIL_LOGGER_H_
+
+/*
+ * Global spdlog accessor for boltdbg.
+ *
+ * Use Log::get() anywhere to obtain the shared logger.
+ */
+
+#include <memory>
+#include <spdlog/spdlog.h>
+
+namespace Log { // NOTE: capital 'L' to avoid collision with C math 'log'
+    // Return a reference to a shared_ptr logger initialized on first use.
+    std::shared_ptr<spdlog::logger>& get();
+}
+
+// Handy logger macros (use Log with capital L)
+#define LOG_TRACE(...)    ::Log::get()->trace(__VA_ARGS__)
+#define LOG_DEBUG(...)    ::Log::get()->debug(__VA_ARGS__)
+#define LOG_INFO(...)     ::Log::get()->info(__VA_ARGS__)
+#define LOG_WARN(...)     ::Log::get()->warn(__VA_ARGS__)
+#define LOG_ERROR(...)    ::Log::get()->error(__VA_ARGS__)
+#define LOG_CRITICAL(...) ::Log::get()->critical(__VA_ARGS__)
+
+#endif // BOLTDBG_UTIL_LOGGER_H_
diff --git a/scripts/format.sh b/scripts/format.sh
new file mode 100755
index 0000000..3b77776
--- /dev/null
+++ b/scripts/format.sh
@@ -0,0 +1,45 @@
+#!/usr/bin/env bash
+#
+# format.sh — Formats all source files in the project using clang-format.
+#
+# Usage:
+#   ./scripts/format.sh          # Format all C/C++ source files
+#   ./scripts/format.sh --check  # Check formatting without modifying files
+#
+
+set -euo pipefail
+
+# Project root (one level up from scripts/)
+ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+cd "$ROOT_DIR"
+
+# Find all C/C++ files (excluding build directories and third-party code)
+FILES=$(find src include -type f \( -name "*.c" -o -name "*.cpp" -o -name "*.h" -o -name "*.hpp" \) \
+  ! -path "*/build/*" ! -path "*/third_party/*")
+
+# Default clang-format style (fallback if no .clang-format exists)
+STYLE="file"
+if [ ! -f ".clang-format" ]; then
+  STYLE="llvm"
+fi
+
+# Command arguments
+CMD_ARGS=("-i" "--style=${STYLE}")
+if [[ "${1:-}" == "--check" ]]; then
+  CMD_ARGS=("--dry-run" "--Werror" "--style=${STYLE}")
+  echo "Checking code format..."
+else
+  echo "Formatting source files..."
+fi
+
+# Run clang-format on each file
+for file in $FILES; do
+  clang-format "${CMD_ARGS[@]}" "$file"
+done
+
+if [[ "${1:-}" == "--check" ]]; then
+  echo "Format check passed!"
+else
+  echo "Formatting complete."
+fi
+
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 9875cd7..9bad7f7 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -4,6 +4,7 @@ cmake_minimum_required(VERSION 3.15) # local guard if included standalone
 # Collect core sources (placeholder + real sources later)
 set(BOLTDBG_CORE_SOURCES
     dummy.cpp            # placeholder; replace/add real core sources here
+    util/logger.cpp
     # src/core/debugger.cpp
     # src/core/process.cpp
 )
diff --git a/src/main.cpp b/src/main.cpp
index 0a23004..b9a327f 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,14 +1,12 @@
 // src/main.cpp
 #include <iostream>
 
-// spdlog
-#include <spdlog/spdlog.h>
-
 // Prevent GLFW from including OpenGL headers (so glad can provide them)
 #define GLFW_INCLUDE_NONE
 #include <GLFW/glfw3.h>
 
-// GL loader (glad) - include after GLFW_INCLUDE_NONE so glad can provide GL headers
+// GL loader (glad) - include after GLFW_INCLUDE_NONE so glad can provide GL
+// headers
 #if __has_include("glad/glad.h")
 #include <glad/glad.h>
 #define HAVE_GLAD 1
@@ -16,103 +14,109 @@
 #define HAVE_GLAD 0
 #endif
 
-// Now include ImGui and its backends (they expect glfw + GL loader to be present)
+// Now include ImGui and its backends (they expect glfw + GL loader to be
+// present)
 #include "imgui.h"
 #include "backends/imgui_impl_glfw.h"
 #include "backends/imgui_impl_opengl3.h"
 
-int main(int argc, char** argv) {
-    // init logger
-    try {
-        spdlog::set_level(spdlog::level::info);
-        spdlog::info("BoltDBG demo starting (spdlog initialized).");
-    } catch (const std::exception &e) {
-        std::cerr << "spdlog init failed: " << e.what() << std::endl;
-    }
+#include <boltdbg/util/logger.h>
+
+int main(int argc, char **argv)
+{
 
-    if (!glfwInit()) {
-        spdlog::error("Failed to initialize GLFW");
-        return 1;
+  if(!glfwInit())
+    {
+      LOG_ERROR("Failed to initialize GLFW");
+      return 1;
     }
 
-    // GL settings (3.3 core as example)
-    const char* glsl_version = "#version 330";
-    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
-    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
+  // GL settings (3.3 core as example)
+  const char *glsl_version = "#version 330";
+  glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
+  glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
 #if __APPLE__
-    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
-    glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
+  glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
+  glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
 #endif
 
-    GLFWwindow* window = glfwCreateWindow(1280, 720, "BoltDBG - ImGui + spdlog demo", NULL, NULL);
-    if (!window) {
-        spdlog::error("Failed to create GLFW window");
-        glfwTerminate();
-        return 1;
+  GLFWwindow *window
+    = glfwCreateWindow(1280, 720, "BoltDBG", NULL, NULL);
+  if(!window)
+    {
+      LOG_ERROR("Failed to create GLFW window");
+      glfwTerminate();
+      return 1;
     }
-    glfwMakeContextCurrent(window);
-    glfwSwapInterval(1);
+  glfwMakeContextCurrent(window);
+  glfwSwapInterval(1);
 
 #if HAVE_GLAD
-    if (!gladLoadGLLoader((GLADloadproc)glfwGetProcAddress)) {
-        spdlog::error("Failed to initialize GLAD");
-        return 1;
+  if(!gladLoadGLLoader((GLADloadproc)glfwGetProcAddress))
+    {
+      LOG_ERROR("Failed to initialize GLAD");
+      return 1;
     }
 #else
-    spdlog::warn("GLAD not detected at compile-time. If you experience GL symbol errors, add glad.");
+  LOG_WARN("GLAD not detected at compile-time. If you experience GL "
+               "symbol errors, add glad.");
 #endif
 
-    // ImGui init
-    IMGUI_CHECKVERSION();
-    ImGui::CreateContext();
-    ImGuiIO &io = ImGui::GetIO(); (void)io;
-    ImGui::StyleColorsDark();
+  // ImGui init
+  IMGUI_CHECKVERSION();
+  ImGui::CreateContext();
+  ImGuiIO &io = ImGui::GetIO();
+  (void)io;
+  ImGui::StyleColorsDark();
 
-    ImGui_ImplGlfw_InitForOpenGL(window, true);
-    ImGui_ImplOpenGL3_Init(glsl_version);
+  ImGui_ImplGlfw_InitForOpenGL(window, true);
+  ImGui_ImplOpenGL3_Init(glsl_version);
 
-    spdlog::info("Entering main loop.");
+  LOG_INFO("Entering main loop.");
 
-    bool show_demo = false;
-    int click_count = 0;
+  bool show_demo = false;
+  int click_count = 0;
 
-    while (!glfwWindowShouldClose(window)) {
-        glfwPollEvents();
+  while(!glfwWindowShouldClose(window))
+    {
+      glfwPollEvents();
 
-        ImGui_ImplOpenGL3_NewFrame();
-        ImGui_ImplGlfw_NewFrame();
-        ImGui::NewFrame();
+      ImGui_ImplOpenGL3_NewFrame();
+      ImGui_ImplGlfw_NewFrame();
+      ImGui::NewFrame();
 
-        ImGui::Begin("BoltDBG - Demo");
-        ImGui::Text("Hello from BoltDBG demo!");
-        if (ImGui::Button("Log info with spdlog")) {
-            click_count++;
-            spdlog::info("Button clicked {} times", click_count);
+      ImGui::Begin("BoltDBG - Demo");
+      ImGui::Text("Hello from BoltDBG demo!");
+      if(ImGui::Button("Log info with spdlog"))
+        {
+          click_count++;
+          LOG_INFO("Button clicked {} times", click_count);
         }
-        ImGui::Text("Click count: %d", click_count);
-        ImGui::End();
+      ImGui::Text("Click count: %d", click_count);
+      ImGui::End();
 
-        if (show_demo) ImGui::ShowDemoWindow(&show_demo);
+      if(show_demo)
+        ImGui::ShowDemoWindow(&show_demo);
 
-        ImGui::Render();
-        int display_w, display_h;
-        glfwGetFramebufferSize(window, &display_w, &display_h);
-        glViewport(0, 0, display_w, display_h);
-        glClearColor(0.1f, 0.12f, 0.14f, 1.0f);
-        glClear(GL_COLOR_BUFFER_BIT);
-        ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
+      ImGui::Render();
+      int display_w, display_h;
+      glfwGetFramebufferSize(window, &display_w, &display_h);
+      glViewport(0, 0, display_w, display_h);
+      glClearColor(0.1f, 0.12f, 0.14f, 1.0f);
+      glClear(GL_COLOR_BUFFER_BIT);
+      ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
 
-        glfwSwapBuffers(window);
+      glfwSwapBuffers(window);
     }
 
-    // cleanup
-    ImGui_ImplOpenGL3_Shutdown();
-    ImGui_ImplGlfw_Shutdown();
-    ImGui::DestroyContext();
+  // cleanup
+  ImGui_ImplOpenGL3_Shutdown();
+  ImGui_ImplGlfw_Shutdown();
+  ImGui::DestroyContext();
 
-    glfwDestroyWindow(window);
-    glfwTerminate();
+  glfwDestroyWindow(window);
+  glfwTerminate();
 
-    spdlog::info("BoltDBG demo exiting.");
-    return 0;
+  LOG_INFO("BoltDBG demo exiting.");
+  return 0;
 }
diff --git a/src/util/logger.cpp b/src/util/logger.cpp
new file mode 100644
index 0000000..1586743
--- /dev/null
+++ b/src/util/logger.cpp
@@ -0,0 +1,29 @@
+#include <boltdbg/util/logger.h>
+#include <spdlog/sinks/basic_file_sink.h>
+#include <spdlog/sinks/stdout_color_sinks.h>
+#include <spdlog/sinks/ostream_sink.h>
+#include <spdlog/sinks/msvc_sink.h>
+#include <vector>
+
+namespace Log {
+
+std::shared_ptr<spdlog::logger>& get() {
+    static std::shared_ptr<spdlog::logger> logger = [] {
+
+        std::vector<spdlog::sink_ptr> sinks;
+        sinks.push_back(std::make_shared<spdlog::sinks::stdout_color_sink_mt>());
+        sinks.push_back(std::make_shared<spdlog::sinks::basic_file_sink_mt>("app.log", true));
+
+        auto logger = std::make_shared<spdlog::logger>("global", sinks.begin(), sinks.end());
+        logger->set_level(spdlog::level::trace);
+        logger->set_pattern("[%Y-%m-%d %H:%M:%S.%e] [%^%l%$] [thread %t] [%s:%#] %v");
+
+        spdlog::register_logger(logger);
+        spdlog::set_default_logger(logger);
+
+        return logger;
+    }();
+    return logger;
+}
+
+} // namespace log