bendns' repos / rust-analyzer
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/hir_expand/src/builtin_macro.rs')
-rw-r--r--crates/hir_expand/src/builtin_macro.rs143
1 files changed, 0 insertions, 143 deletions
diff --git a/crates/hir_expand/src/builtin_macro.rs b/crates/hir_expand/src/builtin_macro.rs
index f988ffff09..4b801eb2a1 100644
--- a/crates/hir_expand/src/builtin_macro.rs
+++ b/crates/hir_expand/src/builtin_macro.rs
@@ -565,146 +565,3 @@ fn option_env_expand(
ExpandResult::ok(Some(ExpandedEager::new(expanded)))
}
-
-#[cfg(test)]
-mod tests {
- use std::sync::Arc;
-
- use base_db::{fixture::WithFixture, SourceDatabase};
- use expect_test::{expect, Expect};
- use syntax::ast::HasName;
-
- use crate::{
- name::AsName, test_db::TestDB, AstNode, EagerCallInfo, ExpandTo, MacroCallId,
- MacroCallKind, MacroCallLoc,
- };
-
- use super::*;
-
- fn expand_builtin_macro(ra_fixture: &str) -> String {
- let (db, file_id) = TestDB::with_single_file(ra_fixture);
- let parsed = db.parse(file_id);
- let mut macro_rules: Vec<_> =
- parsed.syntax_node().descendants().filter_map(ast::MacroRules::cast).collect();
- let mut macro_calls: Vec<_> =
- parsed.syntax_node().descendants().filter_map(ast::MacroCall::cast).collect();
-
- let ast_id_map = db.ast_id_map(file_id.into());
-
- assert_eq!(macro_rules.len(), 1, "test must contain exactly 1 `macro_rules!`");
- assert_eq!(macro_calls.len(), 1, "test must contain exactly 1 macro call");
- let macro_rules = ast::Macro::from(macro_rules.pop().unwrap());
- let macro_call = macro_calls.pop().unwrap();
-
- let expander = find_by_name(&macro_rules.name().unwrap().as_name()).unwrap();
- let ast_id = AstId::new(file_id.into(), ast_id_map.ast_id(&macro_rules));
-
- let krate = CrateId(0);
- let file_id = match expander {
- Either::Left(expander) => {
- // the first one should be a macro_rules
- let def = MacroDefId {
- krate: CrateId(0),
- kind: MacroDefKind::BuiltIn(expander, ast_id),
- local_inner: false,
- };
-
- let loc = MacroCallLoc {
- def,
- krate,
- eager: None,
- kind: MacroCallKind::FnLike {
- ast_id: AstId::new(file_id.into(), ast_id_map.ast_id(&macro_call)),
- expand_to: ExpandTo::Expr,
- },
- };
-
- let id: MacroCallId = db.intern_macro(loc);
- id.as_file()
- }
- Either::Right(expander) => {
- // the first one should be a macro_rules
- let def = MacroDefId {
- krate,
- kind: MacroDefKind::BuiltInEager(expander, ast_id),
- local_inner: false,
- };
-
- let args = macro_call.token_tree().unwrap();
- let parsed_args = mbe::syntax_node_to_token_tree(args.syntax()).0;
- let call_id = AstId::new(file_id.into(), ast_id_map.ast_id(&macro_call));
-
- let arg_id = db.intern_macro(MacroCallLoc {
- def,
- krate,
- eager: Some(EagerCallInfo {
- arg_or_expansion: Arc::new(parsed_args.clone()),
- included_file: None,
- }),
- kind: MacroCallKind::FnLike { ast_id: call_id, expand_to: ExpandTo::Expr },
- });
-
- let expanded = expander.expand(&db, arg_id, &parsed_args).value.unwrap();
- let expand_to = crate::ExpandTo::from_call_site(&macro_call);
- let loc = MacroCallLoc {
- def,
- krate,
- eager: Some(EagerCallInfo {
- arg_or_expansion: Arc::new(expanded.subtree),
- included_file: expanded.included_file,
- }),
- kind: MacroCallKind::FnLike { ast_id: call_id, expand_to },
- };
-
- let id: MacroCallId = db.intern_macro(loc);
- id.as_file()
- }
- };
-
- db.parse_or_expand(file_id).unwrap().to_string()
- }
-
- fn check_expansion(ra_fixture: &str, expect: Expect) {
- let expansion = expand_builtin_macro(ra_fixture);
- expect.assert_eq(&expansion);
- }
-
- #[test]
- fn test_include_bytes_expand() {
- check_expansion(
- r#"
- #[rustc_builtin_macro]
- macro_rules! include_bytes {
- ($file:expr) => {{ /* compiler built-in */ }};
- ($file:expr,) => {{ /* compiler built-in */ }};
- }
- include_bytes("foo");
- "#,
- expect![[r#"b"""#]],
- );
- }
-
- #[test]
- fn test_concat_expand() {
- check_expansion(
- r##"
- #[rustc_builtin_macro]
- macro_rules! concat {}
- concat!("foo", "r", 0, r#"bar"#, "\n", false);
- "##,
- expect![[r#""foor0bar\nfalse""#]],
- );
- }
-
- #[test]
- fn test_concat_idents_expand() {
- check_expansion(
- r##"
- #[rustc_builtin_macro]
- macro_rules! concat_idents {}
- concat_idents!(foo, bar);
- "##,
- expect![[r#"foobar"#]],
- );
- }
-}