diff options
Diffstat (limited to 'compiler/rustc_parse/src/parser/mut_visit/tests.rs')
| -rw-r--r-- | compiler/rustc_parse/src/parser/mut_visit/tests.rs | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/compiler/rustc_parse/src/parser/mut_visit/tests.rs b/compiler/rustc_parse/src/parser/mut_visit/tests.rs deleted file mode 100644 index 46c678c3902..00000000000 --- a/compiler/rustc_parse/src/parser/mut_visit/tests.rs +++ /dev/null @@ -1,65 +0,0 @@ -use rustc_ast as ast; -use rustc_ast::mut_visit::MutVisitor; -use rustc_ast_pretty::pprust; -use rustc_span::{Ident, create_default_session_globals_then}; - -use crate::parser::tests::{matches_codepattern, string_to_crate}; - -// This version doesn't care about getting comments or doc-strings in. -fn print_crate_items(krate: &ast::Crate) -> String { - krate.items.iter().map(|i| pprust::item_to_string(i)).collect::<Vec<_>>().join(" ") -} - -// Change every identifier to "zz". -struct ToZzIdentMutVisitor; - -impl MutVisitor for ToZzIdentMutVisitor { - const VISIT_TOKENS: bool = true; - - fn visit_ident(&mut self, ident: &mut Ident) { - *ident = Ident::from_str("zz"); - } -} - -macro_rules! assert_matches_codepattern { - ($a:expr , $b:expr) => {{ - let a_val = $a; - let b_val = $b; - if !matches_codepattern(&a_val, &b_val) { - panic!("expected args satisfying `matches_codepattern`, got {} and {}", a_val, b_val); - } - }}; -} - -// Make sure idents get transformed everywhere. -#[test] -fn ident_transformation() { - create_default_session_globals_then(|| { - let mut zz_visitor = ToZzIdentMutVisitor; - let mut krate = - string_to_crate("#[a] mod b {fn c (d : e, f : g) {h!(i,j,k);l;m}}".to_string()); - zz_visitor.visit_crate(&mut krate); - assert_matches_codepattern!( - print_crate_items(&krate), - "#[zz]mod zz{fn zz(zz:zz,zz:zz){zz!(zz,zz,zz);zz;zz}}".to_string() - ); - }) -} - -// Make sure idents get transformed even inside macro defs. -#[test] -fn ident_transformation_in_defs() { - create_default_session_globals_then(|| { - let mut zz_visitor = ToZzIdentMutVisitor; - let mut krate = string_to_crate( - "macro_rules! a {(b $c:expr $(d $e:token)f+ => \ - (g $(d $d $e)+))} " - .to_string(), - ); - zz_visitor.visit_crate(&mut krate); - assert_matches_codepattern!( - print_crate_items(&krate), - "macro_rules! zz{(zz$zz:zz$(zz $zz:zz)zz+=>(zz$(zz$zz$zz)+))}".to_string() - ); - }) -} |
