Add Windows support

.gitignore

@@ -1,2 +1,4 @@
 target
-*.DS_Store
+*.DS_Store
+.vscode
+vm/SDL2.dll

README.md

@@ -47,7 +47,7 @@ Dependencies:
 - The [Rust toolchain](https://www.rust-lang.org/tools/install)
 - The [SDL2 libraries](https://wiki.libsdl.org/SDL2/Installation)
 
-To install SDL2 on MacOS:
+### To install SDL2 on MacOS:
 ```
 brew install sdl2
 ```
@@ -57,7 +57,7 @@ On MacOS, add this to `~/.zprofile`:
 export LIBRARY_PATH="$LIBRARY_PATH:$(brew --prefix)/lib"
 ```
 
-To install SDL2 on Debian/Ubuntu
+### To install SDL2 on Debian/Ubuntu:
 ```
 sudo apt-get install libsdl2-dev
 ```
@@ -67,7 +67,14 @@ Install the Rust toolchain:
 curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
 ```
 
-Compile the project:
+### To install SDL2 on Windows:
+
+[Install the Rust toolchain](https://www.rust-lang.org/tools/install)
+
+Get SDL2.dll from one of [SDL2 Releases](https://github.com/libsdl-org/SDL/releases)
+Copy `SDL2.dll` (unzip) to the `vm/` folder
+
+### Compile the project:
 ```
 cd vm
 cargo build
@@ -78,6 +85,9 @@ To run the compiled UVM binary:
 cargo run <input_file>
 ```
 
+### To run the test suite:
+Run `cargo test` in `vm`, `ncc` and `test` directories
+
 ## Codebase Organization
 
 The repository is organized into a 3 different subprojects, each of which is a Rust codebase which can be compiled with `cargo`:

ncc/src/cpp.rs

@@ -515,7 +515,11 @@ fn process_input_rec(
                 output += &format!("{}", input.line_no);
             }
             else if ident == "__FILE__" {
-                output += &format!("\"{}\"", input.src_name);
+                let mut filename: String = format!("\"{}\"", input.src_name);
+                if cfg!(windows) {
+                    filename = str::replace(&filename, "\\", "/");
+                }
+                output += &filename;
             }
             else
             {