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Re-enable proc-macros

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This commit is contained in:
Lukas Wirth 2023-11-28 16:28:51 +01:00
parent 98cfdde8ba
commit b98597f06d
24 changed files with 787 additions and 493 deletions
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23
crates/proc-macro-srv/src/tests/utils.rs
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@ -1,18 +1,19 @@
//! utils used in proc-macro tests
use expect_test::Expect;
use std::str::FromStr;
use proc_macro_api::msg::TokenId;
use tt::Span;
use crate::{dylib, proc_macro_test_dylib_path, ProcMacroSrv};
fn parse_string(code: &str) -> Option<crate::server::TokenStream> {
fn parse_string(code: &str, call_site: TokenId) -> Option<crate::server::TokenStream> {
// This is a bit strange. We need to parse a string into a token stream into
// order to create a tt::SubTree from it in fixtures. `into_subtree` is
// implemented by all the ABIs we have so we arbitrarily choose one ABI to
// write a `parse_string` function for and use that. The tests don't really
// care which ABI we're using as the `into_subtree` function isn't part of
// the ABI and shouldn't change between ABI versions.
crate::server::TokenStream::from_str(code).ok()
crate::server::TokenStream::from_str(code, call_site).ok()
}
pub fn assert_expand(macro_name: &str, ra_fixture: &str, expect: Expect) {
@ -24,12 +25,22 @@ pub fn assert_expand_attr(macro_name: &str, ra_fixture: &str, attr_args: &str, e
}
fn assert_expand_impl(macro_name: &str, input: &str, attr: Option<&str>, expect: Expect) {
let call_site = TokenId::DUMMY;
let path = proc_macro_test_dylib_path();
let expander = dylib::Expander::new(&path).unwrap();
let fixture = parse_string(input).unwrap();
let attr = attr.map(|attr| parse_string(attr).unwrap().into_subtree());
let fixture = parse_string(input, call_site).unwrap();
let attr = attr.map(|attr| parse_string(attr, call_site).unwrap().into_subtree(call_site));
let res = expander.expand(macro_name, &fixture.into_subtree(), attr.as_ref()).unwrap();
let res = expander
.expand(
macro_name,
&fixture.into_subtree(call_site),
attr.as_ref(),
TokenId::DUMMY,
TokenId::DUMMY,
TokenId::DUMMY,
)
.unwrap();
expect.assert_eq(&format!("{res:?}"));
}