File 1116-Fix-minor-imparity-issues-between-various-... of Package erlang

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File 1116-Fix-minor-imparity-issues-between-various-generator-.patch of Package erlang (Revision c4d0cccff3408fb870c23d419a1f7548)

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From 0f0e375d835bf83e3eae3f4b994634eaecdf8339 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?D=C3=A1niel=20Szoboszlay?= <dszoboszlay@gmail.com>
Date: Thu, 13 Jun 2024 12:52:59 +0200
Subject: [PATCH 1/2] Fix minor imparity issues between various generator types

---
 lib/stdlib/src/erl_parse.yrl                 |  2 +-
 lib/stdlib/src/qlc_pt.erl                    |  5 +++-
 lib/stdlib/src/shell.erl                     |  2 ++
 lib/syntax_tools/src/erl_syntax.erl          |  8 +++---
 lib/syntax_tools/src/erl_syntax_lib.erl      | 26 +++++++++++++++-----
 lib/syntax_tools/test/syntax_tools_SUITE.erl |  2 ++
 6 files changed, 33 insertions(+), 12 deletions(-)

diff --git a/lib/stdlib/doc/src/erl_parse.xml b/lib/stdlib/doc/src/erl_parse.xml
index 01540c00db..dd99245d33 100644
--- a/lib/stdlib/doc/src/erl_parse.xml
+++ b/lib/stdlib/doc/src/erl_parse.xml
@@ -83,8 +83,7 @@
 <datatype>
 <name>af_generator()</name>
 <desc>
-	Abstract representation of a generator
-	or a bitstring generator.
+ Abstract representation of a list, bitstring or map generator.
 </desc>
 </datatype>
 <datatype>
diff --git a/lib/stdlib/src/qlc_pt.erl b/lib/stdlib/src/qlc_pt.erl
index 21c55555ae..d34b139781 100644
--- a/lib/stdlib/src/qlc_pt.erl
+++ b/lib/stdlib/src/qlc_pt.erl
@@ -292,10 +292,13 @@ record_attributes(Forms) ->
 %% transformation.
 %%
 compile_messages(Forms, FormsNoShadows, Options, State) ->
- %% The qlc module cannot handle binary generators.
+ %% The qlc module can only handle list generators.
 BGenF = fun(_QId,{b_generate,Anno,_P,_LE}=BGen, GA, A) ->
 M = {loc(Anno),?APIMOD,binary_generator},
 {BGen,[{get(?QLC_FILE),[M]}|GA],A};
+ (_QId,{m_generate,Anno,_P,_LE}=BGen, GA, A) ->
+ M = {loc(Anno),?APIMOD,map_generator},
+ {BGen,[{get(?QLC_FILE),[M]}|GA],A};
 (_QId, Q, GA, A) ->
 {Q,GA,A}
 end,
diff --git a/lib/stdlib/src/shell.erl b/lib/stdlib/src/shell.erl
index 002f0d1678..22a335c739 100644
--- a/lib/stdlib/src/shell.erl
+++ b/lib/stdlib/src/shell.erl
@@ -644,6 +644,8 @@ expand_quals([{generate,A,P,E}|Qs], C) ->
 [{generate,A,P,expand_expr(E, C)}|expand_quals(Qs, C)];
 expand_quals([{b_generate,A,P,E}|Qs], C) ->
 [{b_generate,A,P,expand_expr(E, C)}|expand_quals(Qs, C)];
+expand_quals([{m_generate,A,P,E}|Qs], C) ->
+ [{m_generate,A,P,expand_expr(E, C)}|expand_quals(Qs, C)];
 expand_quals([E|Qs], C) ->
 [expand_expr(E, C)|expand_quals(Qs, C)];
 expand_quals([], _C) -> [].
diff --git a/lib/syntax_tools/src/erl_syntax.erl b/lib/syntax_tools/src/erl_syntax.erl
index a6fd397fda..84605345df 100644
--- a/lib/syntax_tools/src/erl_syntax.erl
+++ b/lib/syntax_tools/src/erl_syntax.erl
@@ -2650,7 +2650,7 @@ compact_list(Node) ->
 					 copy_attrs(Node,
 						 Node1));
 			_ ->
-			 Node 
+			 Node
 		 end
 	 end;
 	_ ->
@@ -3172,7 +3172,7 @@ revert_attribute(Node) ->
 
 revert_attribute_1(module, [M], Pos, Node) ->
 case revert_module_name(M) of
-	{ok, A} -> 
+	{ok, A} ->
 	 {attribute, Pos, module, A};
 	error -> Node
 end;
@@ -3189,7 +3189,7 @@ revert_attribute_1(module, [M, List], Pos, Node) ->
 		 Node
 	 end,
 case revert_module_name(M) of
-	{ok, A} -> 
+	{ok, A} ->
 	 {attribute, Pos, module, {A, Vs}};
 	error -> Node
 end;
@@ -7528,7 +7528,7 @@ subtrees(T) ->
 			 Ts]
 		 end;
 	 binary_generator ->
-		 [[binary_generator_pattern(T)], 
+		 [[binary_generator_pattern(T)],
 [binary_generator_body(T)]];
 bitstring_type ->
 [[bitstring_type_m(T)],
diff --git a/lib/syntax_tools/src/erl_syntax_lib.erl b/lib/syntax_tools/src/erl_syntax_lib.erl
index 2e0df3c46b..8b0e1126d6 100644
--- a/lib/syntax_tools/src/erl_syntax_lib.erl
+++ b/lib/syntax_tools/src/erl_syntax_lib.erl
@@ -494,6 +494,8 @@ vann(Tree, Env) ->
 vann_generator(Tree, Env);
 binary_generator ->
 vann_binary_generator(Tree, Env);
+ map_generator ->
+ vann_map_generator(Tree, Env);
 block_expr ->
 vann_block_expr(Tree, Env);
 macro ->
@@ -626,10 +628,12 @@ vann_list_comp(Tree, Env) ->
 vann_list_comp_body_join() ->
 fun (T, {Env, Bound, Free}) ->
 {T1, Bound1, Free1} = case erl_syntax:type(T) of
- binary_generator ->
-				 vann_binary_generator(T,Env);
-				 generator ->
+ generator ->
 vann_generator(T, Env);
+ binary_generator ->
+ vann_binary_generator(T,Env);
+ map_generator ->
+ vann_map_generator(T,Env);
 _ ->
 %% Bindings in filters are not
 %% exported to the rest of the
@@ -662,10 +666,12 @@ vann_binary_comp(Tree, Env) ->
 vann_binary_comp_body_join() ->
 fun (T, {Env, Bound, Free}) ->
 {T1, Bound1, Free1} = case erl_syntax:type(T) of
- binary_generator ->
-				 vann_binary_generator(T, Env);
-				 generator ->
+ generator ->
 vann_generator(T, Env);
+ binary_generator ->
+ vann_binary_generator(T,Env);
+ map_generator ->
+ vann_map_generator(T,Env);
 _ ->
 %% Bindings in filters are not
 %% exported to the rest of the
@@ -705,6 +711,14 @@ vann_binary_generator(Tree, Env) ->
 Tree1 = rewrite(Tree, erl_syntax:binary_generator(P1, E1)),
 {ann_bindings(Tree1, Env, Bound, Free), Bound, Free}.
 
+vann_map_generator(Tree, Env) ->
+ P = erl_syntax:map_generator_pattern(Tree),
+ {P1, Bound, _} = vann_pattern(P, []),
+ E = erl_syntax:map_generator_body(Tree),
+ {E1, _, Free} = vann(E, Env),
+ Tree1 = rewrite(Tree, erl_syntax:map_generator(P1, E1)),
+ {ann_bindings(Tree1, Env, Bound, Free), Bound, Free}.
+
 vann_block_expr(Tree, Env) ->
 Es = erl_syntax:block_expr_body(Tree),
 {Es1, {Bound, Free}} = vann_body(Es, Env),
diff --git a/lib/syntax_tools/test/syntax_tools_SUITE.erl b/lib/syntax_tools/test/syntax_tools_SUITE.erl
index 0ed660121f..bb6b361748 100644
--- a/lib/syntax_tools/test/syntax_tools_SUITE.erl
+++ b/lib/syntax_tools/test/syntax_tools_SUITE.erl
@@ -335,6 +335,8 @@ t_erl_parse_type(Config) when is_list(Config) ->
 		 {"[catch V||V <- Vs]", list_comp,false},
 		 {"<< <> || <> <= Bs>>", binary_comp,false},
 		 {"<< (catch <>) || <> <= Bs>>", binary_comp,false},
+		 {"#{K => V || {K,V} <- KVs}", map_comp,false},
+		 {"#{K => (catch V) || {K,V} <- KVs}", map_comp,false},
 		 {"#state{ a = A, b = B}", record_expr,false},
 		 {"#state{}", record_expr,false},
 		 {"#s{ a = #def{ a=A }, b = B}", record_expr,false},
-- 
2.43.0

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File 1116-Fix-minor-imparity-issues-between-various-generator-.patch of Package erlang (Revision c4d0cccff3408fb870c23d419a1f7548)

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