safer_ffi_proc_macro/
mod.rs

1#![allow(nonstandard_style, unused_imports)]
2
3extern crate proc_macro;
4
5use ::proc_macro::{Span, TokenStream};
6
7#[cfg(feature = "proc_macros")]
8use ::{
9    proc_macro2::{
10        Span as Span2,
11        TokenStream as TokenStream2,
12    },
13    quote::{
14        quote,
15        quote_spanned,
16        ToTokens,
17    },
18    syn::{*,
19        parse::{
20            Parse,
21            Parser,
22        },
23        punctuated::Punctuated,
24        spanned::Spanned,
25        Result,
26    },
27};
28
29macro_rules! inline_mod {($modname:ident) => (
30    include! { concat!(stringify!($modname), ".rs") }
31)}
32
33inline_mod!(utils);
34
35#[cfg(feature = "proc_macros")]
36inline_mod!(derives);
37
38#[cfg(feature = "proc_macros")]
39inline_mod!(c_str);
40
41inline_mod!(ffi_export);
42
43#[cfg(feature = "headers")]
44#[proc_macro_attribute] pub
45fn cfg_headers (attrs: TokenStream, input: TokenStream)
46  -> TokenStream
47{
48    if let Some(unexpected_tt) = attrs.into_iter().next() {
49        return compile_error("Unexpected parameter", unexpected_tt.span());
50    }
51    input
52}
53
54#[cfg(not(feature = "headers"))]
55#[proc_macro_attribute] pub
56fn cfg_headers (attrs: TokenStream, input: TokenStream)
57  -> TokenStream
58{
59    if let Some(unexpected_tt) = attrs.into_iter().next() {
60        return compile_error("Unexpected parameter", unexpected_tt.span());
61    }
62    let _ = input;
63    TokenStream::new()
64}
safer_ffi_proc_macro/mod.rs

safer_ffi_proc_macro/
mod.rs
