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hir-expand: fix compile_error! expansion not unquoting strings

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This commit is contained in:
Jake Heinz 2022-11-20 08:48:27 +00:00
parent 38fa47fd79
commit 427b63b676
2 changed files with 8 additions and 11 deletions
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6
crates/hir-def/src/macro_expansion_tests/builtin_fn_macro.rs
View file

@ -163,7 +163,8 @@ macro_rules! compile_error {
}
// This expands to nothing (since it's in item position), but emits an error.
compile_error!("error!");
compile_error!("error, with an escaped quote: \"");
compile_error!(r"this is a raw string");
"#,
expect![[r##"
#[rustc_builtin_macro]
@ -172,7 +173,8 @@ macro_rules! compile_error {
($msg:expr,) => ({ /* compiler built-in */ })
}
/* error: error! */
/* error: error, with an escaped quote: " */
/* error: this is a raw string */
"##]],
);
}

13
crates/hir-expand/src/builtin_fn_macro.rs
View file

@ -379,15 +379,10 @@ fn compile_error_expand(
tt: &tt::Subtree,
) -> ExpandResult<ExpandedEager> {
let err = match &*tt.token_trees {
[tt::TokenTree::Leaf(tt::Leaf::Literal(it))] => {
let text = it.text.as_str();
if text.starts_with('"') && text.ends_with('"') {
// FIXME: does not handle raw strings
ExpandError::Other(text[1..text.len() - 1].into())
} else {
ExpandError::Other("`compile_error!` argument must be a string".into())
}
}
[tt::TokenTree::Leaf(tt::Leaf::Literal(it))] => match unquote_str(it) {
Some(unquoted) => ExpandError::Other(unquoted.into()),
None => ExpandError::Other("`compile_error!` argument must be a string".into()),
},
_ => ExpandError::Other("`compile_error!` argument must be a string".into()),
};