diff options
Diffstat (limited to 'gcc/rust/hir/rust-ast-lower-pattern.cc')
| -rw-r--r-- | gcc/rust/hir/rust-ast-lower-pattern.cc | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/gcc/rust/hir/rust-ast-lower-pattern.cc b/gcc/rust/hir/rust-ast-lower-pattern.cc index bb5b93b..b9d7b62 100644 --- a/gcc/rust/hir/rust-ast-lower-pattern.cc +++ b/gcc/rust/hir/rust-ast-lower-pattern.cc @@ -321,10 +321,27 @@ void ASTLoweringPattern::visit (AST::SlicePattern &pattern) { std::vector<std::unique_ptr<HIR::Pattern>> items; - for (auto &p : pattern.get_items ()) + + switch (pattern.get_items ().get_pattern_type ()) { - HIR::Pattern *item = ASTLoweringPattern::translate (*p); - items.push_back (std::unique_ptr<HIR::Pattern> (item)); + case AST::SlicePatternItems::SlicePatternItemType::NO_REST: + { + AST::SlicePatternItemsNoRest &ref + = static_cast<AST::SlicePatternItemsNoRest &> (pattern.get_items ()); + for (auto &p : ref.get_patterns ()) + { + HIR::Pattern *item = ASTLoweringPattern::translate (*p); + items.push_back (std::unique_ptr<HIR::Pattern> (item)); + } + } + break; + case AST::SlicePatternItems::SlicePatternItemType::HAS_REST: + { + rust_error_at (pattern.get_locus (), + "lowering of slice patterns with rest elements are not " + "supported yet"); + } + break; } auto crate_num = mappings.get_current_crate (); |