31 lines
1.0 KiB
Rust
31 lines
1.0 KiB
Rust
//! Helper macros to use with the QADAPT allocator system
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//!
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//! This crate is intended for managing the QADAPT allocator,
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//! and is unusable on its own.
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//!
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// TODO: This causes issues, but I can't track down why
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// #![deny(missing_docs)]
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extern crate proc_macro;
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use proc_macro::TokenTree;
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use proc_macro::TokenStream;
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/// Set up the QADAPT allocator to trigger a panic if any allocations happen during
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/// calls to this function.
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///
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/// QADAPT will only track allocations in the thread that calls this function;
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/// if (for example) this function receives the results of an allocation in a
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/// separate thread, QADAPT will not trigger a panic.
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#[proc_macro_attribute]
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pub fn allocate_panic(_attr: TokenStream, item: TokenStream) -> TokenStream {
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let ret = item.clone();
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let mut token_iter = item.into_iter();
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match token_iter.next() {
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Some(TokenTree::Ident(ref i)) if i.to_string() == "fn" => (),
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_ => panic!("#[allocate_panic] macro can only be applied to functions")
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}
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ret
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}
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