.gitignore

@@ -14,4 +14,3 @@ Cargo.lock
 # MSVC Windows builds of rustc generate these, which store debugging information
 *.pdb
 
-*~

Cargo.toml

@@ -1,11 +0,0 @@
-[package]
-name = "wgsl-shader-assembler"
-version = "0.1.0"
-edition = "2021"
-
-[lib]
-proc-macro = true
-
-[dependencies]
-quote = "1.0"
-syn = "2.0.90"

rust-toolchain.toml

@@ -1,2 +0,0 @@
-[toolchain]
-channel = "nightly"

src/lib.rs

@@ -1,77 +0,0 @@
-#![feature(proc_macro_span)]
-
-use {
-    proc_macro::TokenStream,
-    quote::quote,
-    std::{fs, path::PathBuf},
-    syn::{parse, LitStr},
-};
-
-fn emit_create_shader_module(file_contents: &str) -> TokenStream {
-    quote! {
-        wgpu::ShaderModuleDescriptor {
-            label: None,
-            source: wgpu::ShaderSource::Wgsl(Cow::Borrowed(#file_contents)),
-        }
-    }
-    .into()
-}
-
-struct WgslModuleMacroInput {
-    source_dir: PathBuf,
-    filename: String,
-}
-
-enum Error {
-    Message(String),
-    SynError(syn::Error),
-}
-
-impl Error {
-    fn from_message(message: impl Into<String>) -> Self {
-        Self::Message(message.into())
-    }
-}
-
-impl From<syn::Error> for Error {
-    fn from(value: syn::Error) -> Self {
-        Self::SynError(value)
-    }
-}
-
-fn parse_input(token_stream: TokenStream) -> Result<WgslModuleMacroInput, Error> {
-    let token = token_stream
-        .clone()
-        .into_iter()
-        .next()
-        .ok_or(Error::from_message("Expected single string literal."))?;
-
-    let source_dir = token.span().source_file().path().parent().unwrap().into();
-    let literal: LitStr = parse(token_stream)?;
-    let filename = literal.value();
-    Ok(WgslModuleMacroInput {
-        source_dir,
-        filename,
-    })
-}
-
-fn wgsl_module_inner(input_token_stream: TokenStream) -> Result<TokenStream, Error> {
-    let input = parse_input(input_token_stream)?;
-    let full_filename = input.source_dir.join(&input.filename);
-    let contents = fs::read_to_string(&full_filename).map_err(|err| {
-        Error::from_message(format!(
-            "Could not open \"{}\": {}",
-            &full_filename.as_os_str().to_string_lossy(),
-            err.to_string()
-        ))
-    })?;
-    Ok(emit_create_shader_module(&contents))
-}
-
-#[proc_macro]
-pub fn wgsl_module(input: TokenStream) -> TokenStream {
-    wgsl_module_inner(input).unwrap_or_else(|err| match err {
-        Error::Message(message) => quote! { compile_error!(#message) },
-        Error::SynError(syn_err) => syn_err.into_compile_error(),
-    }.into())
-}