bmatcher_proc/
lib.rs

1use proc_macro::TokenStream;
2use syn::parse_macro_input;
3
4extern crate proc_macro;
5
6mod macro_pattern;
7
8/// Parse a binary pattern and generate an instance of <a href="struct.GenericBinaryPattern.html">GenericBinaryPattern</a> at compile time.  
9/// An exhausive overview of the pattern syntax and operads can be found here: <a href="index.html">bmatcher</a>.
10///
11/// # Example
12/// ```
13/// # use bmatcher_core as bmatcher;
14/// # use bmatcher_core::*;
15/// # use bmatcher_proc::*;
16/// static MY_PATTERN: &dyn BinaryPattern = &pattern!("01 02 ? 03 [4]");
17/// ```
18#[proc_macro]
19pub fn pattern(item: TokenStream) -> TokenStream {
20    let item = parse_macro_input!(item);
21
22    macro_pattern::pattern(item)
23        .unwrap_or_else(|e| e.to_compile_error())
24        .into()
25}