17 lines
536 B
Rust
17 lines
536 B
Rust
extern crate proc_macro;
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use anchor_syn::codegen::error as error_codegen;
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use anchor_syn::parser::error as error_parser;
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use syn::parse_macro_input;
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/// Generates an error type from an error code enum.
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#[proc_macro_attribute]
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pub fn error(
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_args: proc_macro::TokenStream,
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input: proc_macro::TokenStream,
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) -> proc_macro::TokenStream {
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let mut error_enum = parse_macro_input!(input as syn::ItemEnum);
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let error = error_codegen::generate(error_parser::parse(&mut error_enum));
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proc_macro::TokenStream::from(error)
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}
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