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authorYiannis Tsiouris <[email protected]>2014-03-07 18:08:27 +0200
committerYiannis Tsiouris <[email protected]>2014-03-07 18:34:00 +0200
commitb166b4e7cf9bb9355c5f0b5878b24e377310db30 (patch)
tree023c7d43d6e366209bd6a52d8a656dc4ddedb7ac /lib/hipe
parent544fb141916d8676bc763318074e4d0783414af1 (diff)
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Add better specs in hipe_pack_constants and cleanup
Diffstat (limited to 'lib/hipe')
-rw-r--r--lib/hipe/misc/hipe_pack_constants.erl31
1 files changed, 19 insertions, 12 deletions
diff --git a/lib/hipe/misc/hipe_pack_constants.erl b/lib/hipe/misc/hipe_pack_constants.erl
index ca8a9e6bf7..79c172b6d3 100644
--- a/lib/hipe/misc/hipe_pack_constants.erl
+++ b/lib/hipe/misc/hipe_pack_constants.erl
@@ -27,23 +27,31 @@
%%-----------------------------------------------------------------------------
--type raw_data() :: binary() | number() | list() | tuple().
--type tbl_ref() :: {hipe_constlbl(), non_neg_integer()}.
+-type const_num() :: non_neg_integer().
+-type raw_data() :: binary() | number() | list() | tuple().
+
+-type addr() :: non_neg_integer().
+-type ref_p() :: {DataPos :: hipe_constlbl(), CodeOffset :: addr()}.
+-type ref() :: ref_p() | {'sorted', Base :: addr(), [ref_p()]}.
+
+-type mfa_refs() :: {mfa(), [ref()]}.
-record(pcm_entry, {mfa :: mfa(),
label :: hipe_constlbl(),
- const_num :: non_neg_integer(),
- start :: non_neg_integer(),
+ const_num :: const_num(),
+ start :: addr(),
type :: 0 | 1 | 2,
raw_data :: raw_data()}).
+-type pcm_entry() :: #pcm_entry{}.
+
+%% Some of the following types may possibly need to be exported
+-type packed_const_map() :: [pcm_entry()].
+-type mfa_refs_map() :: [mfa_refs()].
%%-----------------------------------------------------------------------------
-spec pack_constants([{mfa(),[_],hipe_consttab()}], ct_alignment()) ->
- {ct_alignment(),
- non_neg_integer(),
- [#pcm_entry{}],
- [{mfa(),[tbl_ref() | {'sorted',non_neg_integer(),[tbl_ref()]}]}]}.
+ {ct_alignment(), non_neg_integer(), packed_const_map(), mfa_refs_map()}.
pack_constants(Data, Align) ->
pack_constants(Data, 0, Align, 0, [], []).
@@ -194,13 +202,12 @@ compact_dests([], Dest, AccofDest, Acc) ->
%% to the slimmed and flattened format ConstMap which is put in object
%% files.
%%
--spec slim_constmap([#pcm_entry{}]) -> [raw_data()].
+-spec slim_constmap(packed_const_map()) -> [raw_data()].
slim_constmap(Map) ->
slim_constmap(Map, gb_sets:new(), []).
--spec slim_constmap([#pcm_entry{}], gb_sets:set(), [raw_data()]) -> [raw_data()].
-slim_constmap([#pcm_entry{const_num=ConstNo, start=Offset,
- type=Type, raw_data=Term}|Rest], Inserted, Acc) ->
+slim_constmap([#pcm_entry{const_num = ConstNo, start = Offset,
+ type = Type, raw_data = Term}|Rest], Inserted, Acc) ->
case gb_sets:is_member(ConstNo, Inserted) of
true ->
slim_constmap(Rest, Inserted, Acc);