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authorMicael Karlberg <[email protected]>2011-11-08 16:29:34 +0100
committerMicael Karlberg <[email protected]>2011-11-08 16:29:34 +0100
commitc4ba4b92ba9caed7b1a6732ac53c78330b4558fd (patch)
tree0eb24ad030e08c56f2efa9a1b4ea96cc5dfa947b /lib/stdlib/src/erl_pp.erl
parentb3929cdc4479170842d36a7f2ba757ff052e098b (diff)
parent12a5e61df498ec80383514ca79b795c40522e19a (diff)
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Merge branch 'master' of super:otp into bmk/snmp/compiler/misc/OTP-9618
Diffstat (limited to 'lib/stdlib/src/erl_pp.erl')
-rw-r--r--lib/stdlib/src/erl_pp.erl10
1 files changed, 9 insertions, 1 deletions
diff --git a/lib/stdlib/src/erl_pp.erl b/lib/stdlib/src/erl_pp.erl
index 7dc19f2e9b..6b5aa951cf 100644
--- a/lib/stdlib/src/erl_pp.erl
+++ b/lib/stdlib/src/erl_pp.erl
@@ -457,8 +457,16 @@ lexpr({'fun',_,{function,F,A}}, _Prec, _Hook) ->
leaf(format("fun ~w/~w", [F,A]));
lexpr({'fun',_,{function,F,A},Extra}, _Prec, _Hook) ->
{force_nl,fun_info(Extra),leaf(format("fun ~w/~w", [F,A]))};
-lexpr({'fun',_,{function,M,F,A}}, _Prec, _Hook) ->
+lexpr({'fun',_,{function,M,F,A}}, _Prec, _Hook)
+ when is_atom(M), is_atom(F), is_integer(A) ->
+ %% For backward compatibility with pre-R15 abstract format.
leaf(format("fun ~w:~w/~w", [M,F,A]));
+lexpr({'fun',_,{function,M,F,A}}, _Prec, Hook) ->
+ %% New format in R15.
+ NameItem = lexpr(M, Hook),
+ CallItem = lexpr(F, Hook),
+ ArityItem = lexpr(A, Hook),
+ ["fun ",NameItem,$:,CallItem,$/,ArityItem];
lexpr({'fun',_,{clauses,Cs}}, _Prec, Hook) ->
{list,[{first,'fun',fun_clauses(Cs, Hook)},'end']};
lexpr({'fun',_,{clauses,Cs},Extra}, _Prec, Hook) ->