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authorBjörn Gustavsson <[email protected]>2016-05-30 12:26:28 +0200
committerBjörn Gustavsson <[email protected]>2016-05-30 12:26:28 +0200
commitc4ac159d055e36c0c7096f5038cc51c291b72771 (patch)
tree54be49e65d3e18bd50dcbd4e6166d6aae8c9556c /lib
parent49ed8a5a1cddc806dd520aaa79e1a089194566c1 (diff)
parentd6d52477cdd6efefd3d3d93f4433b2b1f4e52ce7 (diff)
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Merge branch 'kostis/beam_disasm-entry-type/PR-1072'
* kostis/beam_disasm-entry-type/PR-1072: Declare the type of function entry points Export label() type
Diffstat (limited to 'lib')
-rw-r--r--lib/compiler/src/beam_disasm.erl5
-rw-r--r--lib/compiler/src/beam_disasm.hrl6
-rw-r--r--lib/stdlib/src/beam_lib.erl2
3 files changed, 6 insertions, 7 deletions
diff --git a/lib/compiler/src/beam_disasm.erl b/lib/compiler/src/beam_disasm.erl
index 5badcce696..c699672db1 100644
--- a/lib/compiler/src/beam_disasm.erl
+++ b/lib/compiler/src/beam_disasm.erl
@@ -314,10 +314,7 @@ get_funs({LsR0,[{func_info,[{atom,M}=AtomM,{atom,F}=AtomF,ArityArg]}|Code0]})
when is_atom(M), is_atom(F) ->
Arity = resolve_arg_unsigned(ArityArg),
{LsR,Code,RestCode} = get_fun(Code0, []),
- Entry = case Code of
- [{label,[{u,E}]}|_] -> E;
- _ -> undefined
- end,
+ [{label,[{u,Entry}]}|_] = Code,
[#function{name=F,
arity=Arity,
entry=Entry,
diff --git a/lib/compiler/src/beam_disasm.hrl b/lib/compiler/src/beam_disasm.hrl
index e18214644f..d968cd9587 100644
--- a/lib/compiler/src/beam_disasm.hrl
+++ b/lib/compiler/src/beam_disasm.hrl
@@ -22,7 +22,9 @@
%% the system (e.g. in the translation from Beam to Icode).
%%
-%% XXX: THE FOLLOWING TYPE DECLARATION DOES NOT BELONG HERE...
+%% XXX: THE FOLLOWING TYPE DECLARATION DOES NOT BELONG HERE.
+%% IT SHOULD BE MOVED TO A FILE THAT DEFINES (AND EXPORTS)
+%% PROPER TYPES FOR THE SET OF BEAM INSTRUCTIONS.
%%
-type beam_instr() :: 'bs_init_writable' | 'fclearerror' | 'if_end'
| 'remove_message' | 'return' | 'send' | 'timeout'
@@ -34,7 +36,7 @@
-record(function, {name :: atom(),
arity :: byte(),
- entry, %% unused ??
+ entry :: beam_lib:label(), %% unnecessary ?
code = [] :: [beam_instr()]}).
-record(beam_file, {module :: module(),
diff --git a/lib/stdlib/src/beam_lib.erl b/lib/stdlib/src/beam_lib.erl
index 7a17226e46..fe9df601eb 100644
--- a/lib/stdlib/src/beam_lib.erl
+++ b/lib/stdlib/src/beam_lib.erl
@@ -46,7 +46,7 @@
terminate/2,code_change/3]).
-export([make_crypto_key/2, get_crypto_key/1]). %Utilities used by compiler
--export_type([attrib_entry/0, compinfo_entry/0, labeled_entry/0]).
+-export_type([attrib_entry/0, compinfo_entry/0, labeled_entry/0, label/0]).
-import(lists, [append/1, delete/2, foreach/2, keysort/2,
member/2, reverse/1, sort/1, splitwith/2]).