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| author | Jakub Dupak <dev@jakubdupak.com> | 2022-10-27 22:27:55 +0200 |
|---|---|---|
| committer | Jakub Dupak <dev@jakubdupak.com> | 2022-10-28 17:14:53 +0200 |
| commit | 56a227a63b3843fd5eadc093079b833fe1f93ef9 (patch) | |
| tree | 191be3e8d80b1b380d4c8c83563335f28e4550ce | |
| parent | 2d1c287af3a074d40e84234be9feca904af627d5 (diff) | |
| download | gcc-56a227a63b3843fd5eadc093079b833fe1f93ef9.zip gcc-56a227a63b3843fd5eadc093079b833fe1f93ef9.tar.gz gcc-56a227a63b3843fd5eadc093079b833fe1f93ef9.tar.bz2 | |
ast: visitor pattern -> overload syntax compatibility layer
Signed-off-by: Jakub Dupak <dev@jakubdupak.com>
| -rw-r--r-- | gcc/rust/ast/rust-ast-dump.cc | 7 | ||||
| -rw-r--r-- | gcc/rust/ast/rust-ast-dump.h | 8 |
2 files changed, 15 insertions, 0 deletions
diff --git a/gcc/rust/ast/rust-ast-dump.cc b/gcc/rust/ast/rust-ast-dump.cc index 4817962..9771f43 100644 --- a/gcc/rust/ast/rust-ast-dump.cc +++ b/gcc/rust/ast/rust-ast-dump.cc @@ -62,6 +62,13 @@ Dump::go (AST::Item &item) item.accept_vis (*this); } +template <typename T> +void +Dump::visit (std::unique_ptr<T> &node) +{ + node->accept_vis (*this); +} + void Dump::format_function_param (FunctionParam ¶m) { diff --git a/gcc/rust/ast/rust-ast-dump.h b/gcc/rust/ast/rust-ast-dump.h index 9fe8ee9..7cd922e 100644 --- a/gcc/rust/ast/rust-ast-dump.h +++ b/gcc/rust/ast/rust-ast-dump.h @@ -73,6 +73,14 @@ private: Indent indentation; /** + * Compatibility layer for using the visitor pattern on polymorphic classes + * with a unified overload syntax. This allows us to call `visit` both on + * types implementing `accept_vis` method and for classes for which the + * `visit` method is directly implemented. + */ + template <typename T> void visit (std::unique_ptr<T> &node); + + /** * Format together common items of functions: Parameters, return type, block */ void format_function_common (std::unique_ptr<Type> &return_type, |