Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 53 insertions, 0 deletions

diff --git a/src/test/ui/proc-macro/parent-source-spans.rs b/src/test/ui/proc-macro/parent-source-spans.rs
new file mode 100644
index 000000000..354657db4
--- /dev/null
+++ b/src/test/ui/proc-macro/parent-source-spans.rs
@@ -0,0 +1,53 @@
+// aux-build:parent-source-spans.rs
+
+#![feature(decl_macro)]
+
+extern crate parent_source_spans;
+
+use parent_source_spans::parent_source_spans;
+
+macro one($a:expr, $b:expr) {
+    two!($a, $b);
+    //~^ ERROR first parent: "hello"
+    //~| ERROR second parent: "world"
+}
+
+macro two($a:expr, $b:expr) {
+    three!($a, $b);
+    //~^ ERROR first final: "hello"
+    //~| ERROR second final: "world"
+    //~| ERROR first final: "yay"
+    //~| ERROR second final: "rust"
+}
+
+// forwarding tokens directly doesn't create a new source chain
+macro three($($tokens:tt)*) {
+    four!($($tokens)*);
+}
+
+macro four($($tokens:tt)*) {
+    parent_source_spans!($($tokens)*);
+    //~^ ERROR cannot find value `ok` in this scope
+    //~| ERROR cannot find value `ok` in this scope
+    //~| ERROR cannot find value `ok` in this scope
+}
+
+fn main() {
+    one!("hello", "world");
+    //~^ ERROR first grandparent: "hello"
+    //~| ERROR second grandparent: "world"
+    //~| ERROR first source: "hello"
+    //~| ERROR second source: "world"
+
+    two!("yay", "rust");
+    //~^ ERROR first parent: "yay"
+    //~| ERROR second parent: "rust"
+    //~| ERROR first source: "yay"
+    //~| ERROR second source: "rust"
+
+    three!("hip", "hop");
+    //~^ ERROR first final: "hip"
+    //~| ERROR second final: "hop"
+    //~| ERROR first source: "hip"
+    //~| ERROR second source: "hop"
+}