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Build test-macros in a build script

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This commit is contained in:
Jonas Schievink 2021-06-09 17:16:52 +02:00
parent 5f592f4f58
commit 05b3a4bc93
9 changed files with 133 additions and 75 deletions
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29
crates/proc_macro_srv/src/tests/utils.rs
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@ -7,35 +7,8 @@ use proc_macro_api::ListMacrosTask;
use std::str::FromStr;
pub mod fixtures {
use cargo_metadata::Message;
use std::path::PathBuf;
use std::process::Command;
// Use current project metadata to get the proc-macro dylib path
pub fn proc_macro_test_dylib_path() -> std::path::PathBuf {
let name = "proc_macro_test";
let version = "0.0.0";
let command = Command::new(toolchain::cargo())
.args(&["check", "--tests", "--message-format", "json"])
.output()
.unwrap()
.stdout;
for message in Message::parse_stream(command.as_slice()) {
match message.unwrap() {
Message::CompilerArtifact(artifact) => {
if artifact.target.kind.contains(&"proc-macro".to_string()) {
let repr = format!("{} {}", name, version);
if artifact.package_id.repr.starts_with(&repr) {
return PathBuf::from(&artifact.filenames[0]);
}
}
}
_ => (), // Unknown message
}
}
panic!("No proc-macro dylib for {} found!", name);
proc_macro_test::PROC_MACRO_TEST_LOCATION.into()
}
}