From 16d27c76ab5ef8b213d1c81576d8476def7dce7c Mon Sep 17 00:00:00 2001
From: nub31 <oliverlhs@outlook.com>
Date: Sat, 28 Feb 2026 23:19:57 +0100
Subject: [PATCH] ...

---
 TODO.txt                  |  6 ++++++
 compiler/Program.cs       |  4 ++--
 examples/build.sh         |  2 +-
 examples/core/file.nub    | 24 ++++++++++++++++++++++++
 examples/core/print.nub   |  9 ++++++---
 examples/core/sys.nub     |  5 +++++
 examples/program/main.nub | 19 +++----------------
 7 files changed, 47 insertions(+), 22 deletions(-)
 create mode 100644 TODO.txt
 create mode 100644 examples/core/file.nub
 create mode 100644 examples/core/sys.nub

diff --git a/TODO.txt b/TODO.txt
new file mode 100644
index 0000000..486807c
--- /dev/null
+++ b/TODO.txt
@@ -0,0 +1,6 @@
+Comma seperated function parameters and struct/enum mebers
+Converting ^u8 to string
+string formatting
+string concatination
+Dynamic arrays
+C-style arrays
\ No newline at end of file
diff --git a/compiler/Program.cs b/compiler/Program.cs
index c0bb509..11b4a84 100644
--- a/compiler/Program.cs
+++ b/compiler/Program.cs
@@ -158,13 +158,13 @@ File.WriteAllText(".build/out.c", output);
 
 if (compileLib)
 {
-    Process.Start("gcc", ["-Og", "-fno-builtin", "-c", "-o", ".build/out.o", ".build/out.c", .. archivePaths]).WaitForExit();
+    Process.Start("gcc", ["-Og", "-g", "-fno-builtin", "-c", "-o", ".build/out.o", ".build/out.c", .. archivePaths]).WaitForExit();
     Process.Start("ar", ["rcs", ".build/out.a", ".build/out.o"]).WaitForExit();
     NubLib.Pack(".build/out.nublib", ".build/out.a", Manifest.Create(moduleGraph));
 }
 else
 {
-    Process.Start("gcc", ["-Og", "-fno-builtin", "-o", ".build/out", ".build/out.c", .. archivePaths]).WaitForExit();
+    Process.Start("gcc", ["-Og", "-g", "-fno-builtin", "-o", ".build/out", ".build/out.c", .. archivePaths]).WaitForExit();
 }
 
 return 0;
diff --git a/examples/build.sh b/examples/build.sh
index b3728d7..8c85818 100755
--- a/examples/build.sh
+++ b/examples/build.sh
@@ -1,7 +1,7 @@
 set -e
 
 pushd core
-dotnet run --project ../../compiler print.nub --type=lib
+dotnet run --project ../../compiler sys.nub print.nub file.nub --type=lib
 popd
 
 pushd program
diff --git a/examples/core/file.nub b/examples/core/file.nub
new file mode 100644
index 0000000..95f28b0
--- /dev/null
+++ b/examples/core/file.nub
@@ -0,0 +1,24 @@
+module file
+
+export func read_text(path: string): ^u8 {
+    let fd = sys::open(path.ptr 0 0o644)
+    if fd < 0 {
+        return ^u8(0) // failed to open
+    }
+
+    let buf_size: u64 = 4096
+    let buf = c::malloc(buf_size) as ^u8
+    if buf == ^u8(0) {
+        return ^u8(0)
+    }
+
+    let bytes_read = sys::read(fd, buf, buf_size)
+    if bytes_read < 0 {
+        c::free(buf)
+        return ^u8(0)
+    }
+
+    buf[bytes_read] = 0
+
+    return buf
+}
\ No newline at end of file
diff --git a/examples/core/print.nub b/examples/core/print.nub
index 15897a0..8409a87 100644
--- a/examples/core/print.nub
+++ b/examples/core/print.nub
@@ -1,7 +1,10 @@
 module core
 
-extern func puts(text: ^u8)
-
 export func print(text: string) {
-    puts(text.ptr)
+    sys::write(0 text.ptr text.length)
+}
+
+export func println(text: string) {
+    print(text)
+    print("\n")
 }
\ No newline at end of file
diff --git a/examples/core/sys.nub b/examples/core/sys.nub
new file mode 100644
index 0000000..d9a894f
--- /dev/null
+++ b/examples/core/sys.nub
@@ -0,0 +1,5 @@
+module sys
+
+export extern func read(fd: u32 buf: ^u8 count: u64): i64
+export extern func write(fd: u32 buf: ^u8 count: u64): i64
+export extern func open(fileName: ^u8 flags: i32 mode: u16): i64
\ No newline at end of file
diff --git a/examples/program/main.nub b/examples/program/main.nub
index eb1593b..6a48019 100644
--- a/examples/program/main.nub
+++ b/examples/program/main.nub
@@ -2,24 +2,11 @@ module main
 
 extern func puts(text: ^u8)
 
-export func print(text: string) {
-    puts(text.ptr)
-}
-
-enum Message {
-    Tell: string
-}
-
 func main(): i32 {
-    let x = "test"
+    core::println("Hello, world!")
 
-    let y = {
-        abc = x
-    }
-
-    let a: Message = enum Message::Tell x
-
-    core::print(x)
+    let file = file::read_text("file.nub")
+    puts(file)
 
     return 0
 }
\ No newline at end of file