From 51de990690d2882db3460aa6d729849c5a85dac7 Mon Sep 17 00:00:00 2001
From: lejulien <leo.julien.42@gmail.com>
Date: Tue, 19 May 2026 19:11:53 +0200
Subject: [PATCH] Switch to cmake and fetch nlohmann::json

This will be used to dynamically set a label table
---
 .gitignore     |  1 +
 CMakeLists.txt | 26 ++++++++++++++++++++++++++
 README.md      |  9 ++++++++-
 3 files changed, 35 insertions(+), 1 deletion(-)
 create mode 100644 CMakeLists.txt

diff --git a/.gitignore b/.gitignore
index b2a14e1..7480a1a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 out
 hack-assembler
+build
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..141fe58
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,26 @@
+cmake_minimum_required(VERSION 3.18)
+set(NAME "hack-assembly")
+project(${NAME} CXX)
+
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_EXTENSIONS OFF)
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
+include(FetchContent)
+
+# nlohmann::json
+FetchContent_Declare(
+  json
+  GIT_REPOSITORY https://github.com/nlohmann/json.git
+  GIT_TAG v3.11.3
+)
+FetchContent_MakeAvailable(json)
+
+
+set(SRC_CXX_FILES "./main.cpp")
+
+add_executable(${NAME} ${SRC_CXX_FILES})
+
+target_link_libraries(${NAME} PUBLIC nlohmann_json::nlohmann_json)
+
diff --git a/README.md b/README.md
index cfc48e3..1706ddc 100644
--- a/README.md
+++ b/README.md
@@ -2,11 +2,18 @@
 
 An implementation of a hack assembler in C++.
 
+## Compilation
+
+```bash
+cmake -S . -B build
+cmake --build build
+```
+
 ## Usage
 
 ```bash
 g++ -o hack-assembler main.cpp
-cat <input_file.asm> | ./hack-assembler > <output_file.hack>
+cat <input_file.asm> | ./hack-assembler > ./out/<output_file.hack>
 ```
 
 ## License