nitcc: factorize code of alternative reduction
authorJean Privat <jean@pryen.org>
Wed, 9 Sep 2015 10:06:55 +0000 (06:06 -0400)
committerJean Privat <jean@pryen.org>
Wed, 9 Sep 2015 10:06:55 +0000 (06:06 -0400)
Signed-off-by: Jean Privat <jean@pryen.org>

contrib/nitcc/src/grammar.nit

index 095072e..da31377 100644 (file)
@@ -653,6 +653,11 @@ private class Generator
                end
                for p in gram.prods do
                        add "private fun goto_{p.cname}: Goto_{p.cname} do return once new Goto_{p.cname}"
+                       for a in p.alts do
+                               add "private fun reduce_{a.cname}(parser: Parser) do"
+                               gen_reduce_to_nit(a)
+                               add "end"
+                       end
                end
 
                add "redef class NToken"
@@ -664,7 +669,8 @@ private class Generator
                        if s.reduces.length != 1 then
                                add "\t\tparser.parse_error"
                        else
-                               gen_reduce_to_nit(s.reduces.first)
+                               add "\t\treduce_{s.reduces.first.cname}(parser)"
+                               #gen_reduce_to_nit(s.reduces.first)
                        end
                        add "\tend"
                end
@@ -687,7 +693,8 @@ private class Generator
                                if not s.need_guard then continue
                                if s.reduces.length <= 1 then continue
                                add "\tredef fun action_s{s.cname}(parser) do"
-                               gen_reduce_to_nit(s.guarded_reduce[t].first.alt)
+                               add "\t\treduce_{s.guarded_reduce[t].first.alt.cname}(parser)"
+                               #gen_reduce_to_nit(s.guarded_reduce[t].first.alt)
                                add "\tend"
                        end
                        add "\tredef fun node_name do return \"{t.name.escape_to_nit}\""
@@ -783,7 +790,8 @@ private class Generator
                        if s.need_guard then
                                add "\t\tparser.peek_token.action_s{s.cname}(parser)"
                        else if s.reduces.length == 1 then
-                               gen_reduce_to_nit(s.reduces.first)
+                               add "\t\treduce_{s.reduces.first.cname}(parser)"
+                               #gen_reduce_to_nit(s.reduces.first)
                        else
                                abort
                        end