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authorBjörn Gustavsson <[email protected]>2011-11-07 14:01:06 +0100
committerBjörn Gustavsson <[email protected]>2011-11-07 14:01:06 +0100
commitd0f1b81f1f0a8955c09d8a626d2d747950c52459 (patch)
tree6a4c727e7d122cb73ecffd6db8d39d4daf7874df /lib/compiler/src
parent2d4f4dca7a511dd61cc99f01bdf2a3dadaef9e5e (diff)
parentff432e262e65243cbc983fcb002527f8fae8c78b (diff)
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Merge branch 'bjorn/external-funs/OTP-9643'
* bjorn/external-funs/OTP-9643: EEP-23: Allow variables in fun M:F/A Reference manual: Improve the documentation for external funs Test calling a parameterized module within a fun beam_loader: Support external funs in the literal pool
Diffstat (limited to 'lib/compiler/src')
-rw-r--r--lib/compiler/src/sys_pre_expand.erl11
-rw-r--r--lib/compiler/src/v3_core.erl7
2 files changed, 15 insertions, 3 deletions
diff --git a/lib/compiler/src/sys_pre_expand.erl b/lib/compiler/src/sys_pre_expand.erl
index 0fa1fea09f..7facbafb6d 100644
--- a/lib/compiler/src/sys_pre_expand.erl
+++ b/lib/compiler/src/sys_pre_expand.erl
@@ -554,9 +554,14 @@ fun_tq(Lf, {function,F,A}=Function, St0) ->
{{'fun',Lf,Function,{Index,Uniq,Fname}},
St2#expand{fun_index=Index+1}}
end;
-fun_tq(L, {function,M,F,A}, St) ->
- {{call,L,{remote,L,{atom,L,erlang},{atom,L,make_fun}},
- [{atom,L,M},{atom,L,F},{integer,L,A}]},St};
+fun_tq(L, {function,M,F,A}, St) when is_atom(M), is_atom(F), is_integer(A) ->
+ %% This is the old format for external funs, generated by a pre-R15
+ %% compiler. That means that a tool, such as the debugger or xref,
+ %% directly invoked this module with the abstract code from a
+ %% pre-R15 BEAM file. Be helpful, and translate it to the new format.
+ fun_tq(L, {function,{atom,L,M},{atom,L,F},{integer,L,A}}, St);
+fun_tq(Lf, {function,_,_,_}=ExtFun, St) ->
+ {{'fun',Lf,ExtFun},St};
fun_tq(Lf, {clauses,Cs0}, St0) ->
Uniq = erlang:hash(Cs0, (1 bsl 27)-1),
{Cs1,St1} = fun_clauses(Cs0, St0),
diff --git a/lib/compiler/src/v3_core.erl b/lib/compiler/src/v3_core.erl
index 6f3590b156..6885405ae0 100644
--- a/lib/compiler/src/v3_core.erl
+++ b/lib/compiler/src/v3_core.erl
@@ -573,6 +573,13 @@ expr({'catch',L,E0}, St0) ->
expr({'fun',L,{function,F,A},{_,_,_}=Id}, St) ->
Lanno = lineno_anno(L, St),
{#c_var{anno=Lanno++[{id,Id}],name={F,A}},[],St};
+expr({'fun',L,{function,M,F,A}}, St0) ->
+ {As,Aps,St1} = safe_list([M,F,A], St0),
+ Lanno = lineno_anno(L, St1),
+ {#icall{anno=#a{anno=Lanno},
+ module=#c_literal{val=erlang},
+ name=#c_literal{val=make_fun},
+ args=As},Aps,St1};
expr({'fun',L,{clauses,Cs},Id}, St) ->
fun_tq(Id, Cs, L, St);
expr({call,L,{remote,_,M,F},As0}, #core{wanted=Wanted}=St0) ->