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Commit 0759fc3d authored by Sonny Sasaka's avatar Sonny Sasaka
Browse files

Floss: Move macro debugging to OUT_DIR 

Follow up of CL:2008615.

Bug: 200732080
Tag: #floss
Test: Build Floss with build.py

Change-Id: I750bf034828a72e2fbfbc6efd900713e74b68452
parent 3a4272f5

system/gd/rust/linux/stack/btif_macros/src/lib.rs

+14 −2
Original line number Diff line number Diff line
@@ -13,8 +13,20 @@ use syn::{Expr, FnArg, ItemTrait, Meta, Pat, TraitItem}; 


use crate::proc_macro::TokenStream;



const OUTPUT_DEBUG: bool = false;



fn debug_output_to_file(gen: &proc_macro2::TokenStream, filename: String) {

    let path = Path::new(filename.as_str());

    if !OUTPUT_DEBUG {

        return;

    }



    let filepath = std::path::PathBuf::from(std::env::var("OUT_DIR").unwrap())

        .join(filename)

        .to_str()

        .unwrap()

        .to_string();



    let path = Path::new(&filepath);

    let mut file = File::create(&path).unwrap();

    file.write_all(gen.to_string().as_bytes()).unwrap();

}
@@ -120,7 +132,7 @@ pub fn btif_callbacks_dispatcher(attr: TokenStream, item: TokenStream) -> TokenS 
    };



    // TODO: Have a simple framework to turn on/off macro-generated code debug.

    debug_output_to_file(&gen, format!("/tmp/out-{}.rs", fn_ident.to_string()));

    debug_output_to_file(&gen, format!("out-{}.rs", fn_ident.to_string()));



    gen.into()

}