rustc: Implement "deriving" for monomorphic structs via a syntax extension. r=brson

2012-11-19 18:05:50 -08:00
parent 8f22582e9f
commit a7aecc46a5
6 changed files with 450 additions and 0 deletions
--- a/src/libsyntax/ext/base.rs
+++ b/src/libsyntax/ext/base.rs
@@ -97,6 +97,9 @@ fn syntax_expander_table() -> HashMap<~str, syntax_extension> {
                                ext::log_syntax::expand_syntax_ext));
    syntax_expanders.insert(~"ast",
                            builtin(ext::qquote::expand_ast));
+    syntax_expanders.insert(~"deriving_eq",
+                            item_decorator(
+                                ext::deriving::expand_deriving_eq));

    // Quasi-quoting expanders
    syntax_expanders.insert(~"quote_tokens",