File 2536-stdlib-Extend-functions-in-erl_parse-to-ha... of Package erlang

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File 2536-stdlib-Extend-functions-in-erl_parse-to-handle-form_.patch of Package erlang

From acfebc2742721b08d35dccb29c192849c48284a7 Mon Sep 17 00:00:00 2001
From: Hans Bolinder <hasse@erlang.org>
Date: Mon, 13 Feb 2017 14:51:59 +0100
Subject: [PATCH 06/15] stdlib: Extend functions in erl_parse to handle
 form_info()

For convenience, for instance in parse transforms, the different
functions handling erl_anno:anno() can handle {eof, Location},
and are documented to handle all form_info().
---
 lib/stdlib/src/erl_parse.yrl | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/lib/stdlib/src/erl_parse.yrl b/lib/stdlib/src/erl_parse.yrl
index fd2e793ea..2dcddeb8c 100644
--- a/lib/stdlib/src/erl_parse.yrl
+++ b/lib/stdlib/src/erl_parse.yrl
@@ -1548,8 +1548,8 @@ type_preop_prec('#') -> {700,800}.
       Fun :: fun((Anno) -> NewAnno),
       Anno :: erl_anno:anno(),
       NewAnno :: erl_anno:anno(),
-      Abstr :: erl_parse_tree(),
-      NewAbstr :: erl_parse_tree().
+      Abstr :: erl_parse_tree() | form_info(),
+      NewAbstr :: erl_parse_tree() | form_info().
 
 map_anno(F0, Abstr) ->
     F = fun(A, Acc) -> {F0(A), Acc} end,
@@ -1563,7 +1563,7 @@ map_anno(F0, Abstr) ->
       Acc1 :: term(),
       AccIn :: term(),
       AccOut :: term(),
-      Abstr :: erl_parse_tree().
+      Abstr :: erl_parse_tree() | form_info().
 
 fold_anno(F0, Acc0, Abstr) ->
     F = fun(A, Acc) -> {A, F0(A, Acc)} end,
@@ -1578,15 +1578,15 @@ fold_anno(F0, Acc0, Abstr) ->
       Acc1 :: term(),
       AccIn :: term(),
       AccOut :: term(),
-      Abstr :: erl_parse_tree(),
-      NewAbstr :: erl_parse_tree().
+      Abstr :: erl_parse_tree() | form_info(),
+      NewAbstr :: erl_parse_tree() | form_info().
 
 mapfold_anno(F, Acc0, Abstr) ->
     modify_anno1(Abstr, Acc0, F).
 
 -spec new_anno(Term) -> Abstr when
       Term :: term(),
-      Abstr :: erl_parse_tree().
+      Abstr :: erl_parse_tree() | form_info().
 
 new_anno(Term) ->
     F = fun(L, Acc) -> {erl_anno:new(L), Acc} end,
@@ -1594,14 +1594,14 @@ new_anno(Term) ->
     NewAbstr.
 
 -spec anno_to_term(Abstr) -> term() when
-      Abstr :: erl_parse_tree().
+      Abstr :: erl_parse_tree() | form_info().
 
 anno_to_term(Abstract) ->
     F = fun(Anno, Acc) -> {erl_anno:to_term(Anno), Acc} end,
     {NewAbstract, []} = modify_anno1(Abstract, [], F),
     NewAbstract.
 
--spec anno_from_term(Term) -> erl_parse_tree() when
+-spec anno_from_term(Term) -> erl_parse_tree() | form_info() when
       Term :: term().
 
 anno_from_term(Term) ->
@@ -1646,6 +1646,8 @@ modify_anno1({warning,W}, Ac, _Mf) ->
     {{warning,W},Ac};
 modify_anno1({error,W}, Ac, _Mf) ->
     {{error,W},Ac};
+modify_anno1({eof,L}, Ac, _Mf) ->
+    {{eof,L},Ac};
 %% Expressions.
 modify_anno1({clauses,Cs}, Ac, Mf) ->
     {Cs1,Ac1} = modify_anno1(Cs, Ac, Mf),
-- 
2.12.0

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File 2536-stdlib-Extend-functions-in-erl_parse-to-handle-form_.patch of Package erlang

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