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-rw-r--r--lib/stdlib/src/erl_pp.erl23
1 files changed, 1 insertions, 22 deletions
diff --git a/lib/stdlib/src/erl_pp.erl b/lib/stdlib/src/erl_pp.erl
index 17a758ff58..469ce544c7 100644
--- a/lib/stdlib/src/erl_pp.erl
+++ b/lib/stdlib/src/erl_pp.erl
@@ -22,7 +22,7 @@
%%% the parser. It does not always produce pretty code.
-export([form/1,form/2,
- attribute/1,attribute/2,function/1,function/2,rule/1,rule/2,
+ attribute/1,attribute/2,function/1,function/2,
guard/1,guard/2,exprs/1,exprs/2,exprs/3,expr/1,expr/2,expr/3,expr/4]).
-import(lists, [append/1,foldr/3,mapfoldl/3,reverse/1,reverse/2]).
@@ -91,12 +91,6 @@ function(F) ->
function(F, Options) ->
frmt(lfunction(F, options(Options)), state(Options)).
-rule(R) ->
- rule(R, none).
-
-rule(R, Options) ->
- frmt(lrule(R, options(Options)), state(Options)).
-
-spec(guard(Guard) -> io_lib:chars() when
Guard :: [erl_parse:abstract_expr()]).
@@ -199,8 +193,6 @@ lform({attribute,Line,Name,Arg}, Opts, State) ->
lattribute({attribute,Line,Name,Arg}, Opts, State);
lform({function,Line,Name,Arity,Clauses}, Opts, _State) ->
lfunction({function,Line,Name,Arity,Clauses}, Opts);
-lform({rule,Line,Name,Arity,Clauses}, Opts, _State) ->
- lrule({rule,Line,Name,Arity,Clauses}, Opts);
%% These are specials to make it easier for the compiler.
lform({error,E}, _Opts, _State) ->
leaf(format("~p\n", [{error,E}]));
@@ -418,19 +410,6 @@ func_clause(Name, {clause,Line,Head,Guard,Body}, Opts) ->
Bl = body(Body, Opts),
{step,Gl,Bl}.
-lrule({rule,_Line,Name,_Arity,Cs}, Opts) ->
- Cll = nl_clauses(fun (C, H) -> rule_clause(Name, C, H) end, $;, Opts, Cs),
- [Cll,leaf(".\n")].
-
-rule_clause(Name, {clause,Line,Head,Guard,Body}, Opts) ->
- Hl = call({atom,Line,Name}, Head, 0, Opts),
- Gl = guard_when(Hl, Guard, Opts, leaf(" :-")),
- Bl = rule_body(Body, Opts),
- {step,Gl,Bl}.
-
-rule_body(Es, Opts) ->
- lc_quals(Es, Opts).
-
guard_when(Before, Guard, Opts) ->
guard_when(Before, Guard, Opts, ' ->').