aboutsummaryrefslogtreecommitdiff
path: root/gcc
diff options
context:
space:
mode:
authorMuhammad Mahad <mahadtxt@gmail.com>2023-08-01 15:00:06 +0500
committerArthur Cohen <arthur.cohen@embecosm.com>2024-01-16 19:00:26 +0100
commit7c10950f544f7972317c848bec284af63981943d (patch)
tree5a2f6f1b99f3b632f0d7967ede20af2c17486afe /gcc
parentf0193accb7bbf8240a5beae3ddef7a102d68fb47 (diff)
downloadgcc-7c10950f544f7972317c848bec284af63981943d.zip
gcc-7c10950f544f7972317c848bec284af63981943d.tar.gz
gcc-7c10950f544f7972317c848bec284af63981943d.tar.bz2
gccrs: [E0426] Use of undeclared label
Refactored error message to print more userfriendly message and added error code. gcc/rust/ChangeLog: * resolve/rust-ast-resolve-expr.cc (ResolveExpr::visit): refactored message and called error function. gcc/testsuite/ChangeLog: * rust/compile/undeclared_label.rs: New test for E0426. Signed-off-by: Muhammad Mahad <mahadtxt@gmail.com>
Diffstat (limited to 'gcc')
-rw-r--r--gcc/rust/resolve/rust-ast-resolve-expr.cc10
-rw-r--r--gcc/testsuite/rust/compile/undeclared_label.rs16
2 files changed, 22 insertions, 4 deletions
diff --git a/gcc/rust/resolve/rust-ast-resolve-expr.cc b/gcc/rust/resolve/rust-ast-resolve-expr.cc
index bb7c5ff..fefa0f5 100644
--- a/gcc/rust/resolve/rust-ast-resolve-expr.cc
+++ b/gcc/rust/resolve/rust-ast-resolve-expr.cc
@@ -451,8 +451,9 @@ ResolveExpr::visit (AST::BreakExpr &expr)
label.get_lifetime_name ()),
&resolved_node))
{
- rust_error_at (expr.get_label ().get_locus (),
- "failed to resolve label");
+ rust_error_at (expr.get_label ().get_locus (), ErrorCode::E0426,
+ "use of undeclared label %qs in %<break%>",
+ label.get_lifetime_name ().c_str ());
return;
}
resolver->insert_resolved_label (label.get_node_id (), resolved_node);
@@ -572,8 +573,9 @@ ResolveExpr::visit (AST::ContinueExpr &expr)
label.get_lifetime_name ()),
&resolved_node))
{
- rust_error_at (expr.get_label ().get_locus (),
- "failed to resolve label");
+ rust_error_at (expr.get_label ().get_locus (), ErrorCode::E0426,
+ "use of undeclared label %qs in %<continue%>",
+ label.get_lifetime_name ().c_str ());
return;
}
resolver->insert_resolved_label (label.get_node_id (), resolved_node);
diff --git a/gcc/testsuite/rust/compile/undeclared_label.rs b/gcc/testsuite/rust/compile/undeclared_label.rs
new file mode 100644
index 0000000..6efa2d9
--- /dev/null
+++ b/gcc/testsuite/rust/compile/undeclared_label.rs
@@ -0,0 +1,16 @@
+// ErrorCode::E0426
+#![allow(unused)]
+fn resolve_label_continue() -> () {
+ loop {
+ continue 'a; // { dg-error "use of undeclared label .a. in .continue." }
+ }
+}
+fn resolve_label_break() -> () {
+ loop {
+ break 'crabby; // { dg-error "use of undeclared label .crabby. in .break." }
+ }
+}
+fn main() {
+ resolve_label_continue();
+ resolve_label_break();
+}