1 files changed, 46 insertions, 0 deletions
diff --git a/bundle_header.py b/bundle_header.py
new file mode 100644
index 0000000..0073163
--- /dev/null
+++ b/bundle_header.py
@@ -0,0 +1,46 @@
+import re
+import sys
+from pathlib import Path
+
+def bundle_header(input_path: Path):
+    """
+    Looks for #include "filename" // <REPLACE>
+    And inlines that file directly into the code.
+    """
+    output_path = input_path.with_suffix(input_path.suffix + ".out")
+    
+    include_pattern = re.compile(r'#include\s+["<](?P<filename>.*)[">]\s*//\s*<REPLACE>')
+
+    def process_file(file_path: Path) -> str:
+        if not file_path.exists():
+            print(f"Warning: {file_path} not found.")
+            return f"// Error: {file_path} not found\n"
+
+        lines = []
+        with open(file_path, 'r') as f:
+            for line in f:
+                match = include_pattern.search(line)
+                if match:
+                    include_name = match.group('filename')
+                    # Look for the file relative to the current file's directory
+                    nested_path = file_path.parent / include_name
+                    lines.append(f"/* --- Start of {include_name} --- */\n")
+                    lines.append(process_file(nested_path))
+                    lines.append(f"/* --- End of {include_name} --- */\n")
+                else:
+                    lines.append(line)
+        return "".join(lines)
+
+    content = process_file(input_path)
+    
+    with open(output_path, 'w') as f:
+        f.write(content)
+    
+    print(f"Successfully bundled into: {output_path}")
+
+if __name__ == "__main__":
+    if len(sys.argv) < 2:
+        print("Usage: python build.py <path_to_header>")
+        sys.exit(1)
+    
+    bundle_header(Path(sys.argv[1]))