From 9918693037dce8aa4bb6f08741b6812923486c18 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 19 Jun 2024 11:26:03 +0200 Subject: Merging upstream version 1.76.0+dfsg1. Signed-off-by: Daniel Baumann --- tests/ui/proc-macro/auxiliary/env.rs | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 tests/ui/proc-macro/auxiliary/env.rs (limited to 'tests/ui/proc-macro/auxiliary/env.rs') diff --git a/tests/ui/proc-macro/auxiliary/env.rs b/tests/ui/proc-macro/auxiliary/env.rs new file mode 100644 index 000000000..58bcb08bf --- /dev/null +++ b/tests/ui/proc-macro/auxiliary/env.rs @@ -0,0 +1,28 @@ +// force-host +// no-prefer-dynamic + +#![crate_type = "proc-macro"] +#![feature(proc_macro_tracked_env)] + +extern crate proc_macro; + +use proc_macro::TokenStream; +use proc_macro::tracked_env::var; + +#[proc_macro] +pub fn generate_const(input: TokenStream) -> TokenStream { + let the_const = match var("THE_CONST") { + Ok(x) if x == "12" => { + "const THE_CONST: u32 = 12;" + } + _ => { + "const THE_CONST: u32 = 0;" + } + }; + let another = if var("ANOTHER").is_ok() { + "const ANOTHER: u32 = 1;" + } else { + "const ANOTHER: u32 = 2;" + }; + format!("{the_const}{another}").parse().unwrap() +} -- cgit v1.2.3