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-rw-r--r--gcc/rust/backend/rust-compile-pattern.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/rust/backend/rust-compile-pattern.h b/gcc/rust/backend/rust-compile-pattern.h
index 0d53cd5..a7bd115 100644
--- a/gcc/rust/backend/rust-compile-pattern.h
+++ b/gcc/rust/backend/rust-compile-pattern.h
@@ -39,6 +39,13 @@ public:
void visit (HIR::WildcardPattern &pattern) override;
void visit (HIR::RangePattern &pattern) override;
+ // unsupported
+ void visit (HIR::AltPattern &pattern) override
+ {
+ rust_sorry_at (pattern.get_locus (),
+ "alternate pattern case labels not supported");
+ }
+
// Empty visit for unused Pattern HIR nodes.
void visit (HIR::IdentifierPattern &) override {}
void visit (HIR::LiteralPattern &) override;
@@ -70,6 +77,13 @@ public:
void visit (HIR::StructPattern &pattern) override;
void visit (HIR::TupleStructPattern &pattern) override;
+ // unsupported
+ void visit (HIR::AltPattern &pattern) override
+ {
+ rust_sorry_at (pattern.get_locus (),
+ "alternate pattern bindings not supported");
+ }
+
// Empty visit for unused Pattern HIR nodes.
void visit (HIR::IdentifierPattern &) override {}
void visit (HIR::LiteralPattern &) override {}
@@ -104,6 +118,12 @@ public:
void visit (HIR::TuplePattern &) override;
// check for unimplemented Pattern HIR nodes.
+ void visit (HIR::AltPattern &pattern) override
+ {
+ rust_sorry_at (pattern.get_locus (),
+ "alternate pattern let statements not supported");
+ }
+
void visit (HIR::LiteralPattern &pattern) override
{
rust_sorry_at (pattern.get_locus (),