From ef8cf84456a70cd1376ab6ba72681472e0a50fe5 Mon Sep 17 00:00:00 2001
From: laentropia <aadrian887mh@gmail.com>
Date: Sat, 11 Apr 2026 22:41:19 -0600
Subject: [PATCH] addition: added arena library

---
 CMakeLists.txt | 27 ++++++++++++++++++++++++++-
 external/arena |  1 +
 2 files changed, 27 insertions(+), 1 deletion(-)
 create mode 160000 external/arena

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 79429ed..a64adf4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,6 +3,14 @@ project(calculator VERSION 1.0 LANGUAGES C)
 
 set(CMAKE_C_STANDARD 11)
 set(CMAKE_C_STANDARD_REQUIRED ON)
+include(FetchContent)
+
+FetchContent_Declare(
+    arena
+    GIT_REPOSITORY https://laentropia-homelab.tail7368da.ts.net/laentropia/Arena.git
+    GIT_TAG main
+    SOURCE_DIR ${CMAKE_SOURCE_DIR}/external/arena
+)
 
 # Export compile_commands.json (para clangd)
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
@@ -14,12 +22,29 @@ add_compile_options(
 )
 
 
-include_directories(include)
+FetchContent_MakeAvailable(arena)
+
+add_library(arena STATIC
+    external/arena/src/arena.c
+)
+
+target_include_directories(arena
+    PUBLIC ${CMAKE_SOURCE_DIR}/external/arena/include
+)
 
 add_library(calculator_lib
     src/lexer.c
     src/parser.c
     src/evaluator.c
+    src/ASTNodeArray.c
+)
+
+target_include_directories(calculator_lib
+    PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/include
+)
+
+target_link_libraries(calculator_lib
+    PUBLIC arena
 )
 
 add_executable(calculator src/main.c)
diff --git a/external/arena b/external/arena
new file mode 160000
index 0000000..3d3b859
--- /dev/null
+++ b/external/arena
@@ -0,0 +1 @@
+Subproject commit 3d3b8596ccf2e31983c0c83eb36572a1e4399ec4