File 2901-Allow-native-compilation-when-calling-Dial... of Package erlang

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File 2901-Allow-native-compilation-when-calling-Dialyzer-from-.patch of Package erlang (Revision ac78bcc5a6f7a4d1efd770008567e9f7)

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From 1be45363ac9b5ca4370a9769952f6f7641a067ad Mon Sep 17 00:00:00 2001
From: Magnus Henoch <magnus.henoch@gmail.com>
Date: Wed, 12 Jun 2019 14:01:17 +0100
Subject: [PATCH] Allow native compilation when calling Dialyzer from Erlang

Invoking Dialyzer through the function dialyzer:run/1 instead of from
the command line activates "Erlang mode", meaning that warnings are
returned instead of printed, and that HiPE compilation of modules does
not take place.  With this change, HiPE compilation can optionally be
enabled in this situation by passing the option {native, true}.
Caching of natively compiled modules is enabled by default, but can be
turned off using the option {native_cache, false}.
---
 lib/dialyzer/doc/src/dialyzer.xml      |  5 ++++-
 lib/dialyzer/src/dialyzer.hrl          |  4 +++-
 lib/dialyzer/src/dialyzer_cl.erl       | 19 ++++++++++++++-----
 lib/dialyzer/src/dialyzer_cl_parse.erl |  4 +++-
 lib/dialyzer/src/dialyzer_options.erl  |  4 ++++
 5 files changed, 28 insertions(+), 8 deletions(-)

diff --git a/lib/dialyzer/doc/src/dialyzer.xml b/lib/dialyzer/doc/src/dialyzer.xml
index 443de7b0dd..8dd814982d 100644
--- a/lib/dialyzer/doc/src/dialyzer.xml
+++ b/lib/dialyzer/doc/src/dialyzer.xml
@@ -537,7 +537,10 @@ Option   :: {files,          [Filename :: string()]}
                              'plt_check' |
                              'plt_remove'}
           | {warnings,       [WarnOpts]}
-          | {get_warnings,   bool()}
+          | {get_warnings,   boolean()}
+          | {native,         boolean()}
+                               %% Defaults to false when invoked from Erlang
+          | {native_cache,   boolean()}
 
 WarnOpts :: error_handling
           | no_behaviours
diff --git a/lib/dialyzer/src/dialyzer.hrl b/lib/dialyzer/src/dialyzer.hrl
index 4a12b9b671..e1821f10eb 100644
--- a/lib/dialyzer/src/dialyzer.hrl
+++ b/lib/dialyzer/src/dialyzer.hrl
@@ -162,7 +162,9 @@
 		  filename_opt	  = basename       :: fopt(),
 		  callgraph_file  = ""             :: file:filename(),
 		  check_plt       = true           :: boolean(),
-                  solvers         = []             :: [solver()]}).
+                  solvers         = []             :: [solver()],
+                  native          = maybe          :: boolean() | 'maybe',
+                  native_cache    = true           :: boolean()}).
 
 -record(contract, {contracts	  = []		   :: [contract_pair()],
 		   args		  = []		   :: [erl_types:erl_type()],
diff --git a/lib/dialyzer/src/dialyzer_cl.erl b/lib/dialyzer/src/dialyzer_cl.erl
index f887f661bd..403fcb6279 100644
--- a/lib/dialyzer/src/dialyzer_cl.erl
+++ b/lib/dialyzer/src/dialyzer_cl.erl
@@ -489,10 +489,20 @@ expand_dependent_modules_1([], Included, _ModDeps) ->
 
 -spec hipe_compile([file:filename()], #options{}) -> 'ok'.
 
-hipe_compile(Files, #options{erlang_mode = ErlangMode} = Options) ->
-  NoNative = (get(dialyzer_options_native) =:= false),
+hipe_compile(Files, #options{erlang_mode = ErlangMode,
+                             native = Native,
+                             native_cache = NativeCache} = Options) ->
+  NoNative =
+    case ErlangMode of
+      true ->
+        %% In Erlang mode, native compilation must be explicitly enabled
+        Native =/= true;
+      false ->
+        %% In CLI mode, perform native compilation unless disabled
+        Native =:= false
+    end,
   FewFiles = (length(Files) < ?MIN_FILES_FOR_NATIVE_COMPILE),
-  case NoNative orelse FewFiles orelse ErlangMode of
+  case NoNative orelse FewFiles of
     true -> ok;
     false ->
       case erlang:system_info(hipe_architecture) of
@@ -508,8 +518,7 @@ hipe_compile(Files, #options{erlang_mode = ErlangMode} = Options) ->
 		  dialyzer_worker],
 	  report_native_comp(Options),
 	  {T1, _} = statistics(wall_clock),
-	  Cache = (get(dialyzer_options_native_cache) =/= false),
-	  native_compile(Mods, Cache),
+	  native_compile(Mods, NativeCache),
 	  {T2, _} = statistics(wall_clock),
 	  report_elapsed_time(T1, T2, Options)
       end
diff --git a/lib/dialyzer/src/dialyzer_cl_parse.erl b/lib/dialyzer/src/dialyzer_cl_parse.erl
index 280cae81d5..cadc2116b0 100644
--- a/lib/dialyzer/src/dialyzer_cl_parse.erl
+++ b/lib/dialyzer/src/dialyzer_cl_parse.erl
@@ -316,7 +316,9 @@ common_options() ->
    {use_spec, get(dialyzer_options_use_contracts)},
    {warnings, get(dialyzer_warnings)},
    {check_plt, get(dialyzer_options_check_plt)},
-   {solvers, get(dialyzer_solvers)}].
+   {solvers, get(dialyzer_solvers)},
+   {native, get(dialyzer_options_native)},
+   {native_cache, get(dialyzer_options_native_cache)}].
 
 %%-----------------------------------------------------------------------
 
diff --git a/lib/dialyzer/src/dialyzer_options.erl b/lib/dialyzer/src/dialyzer_options.erl
index 3b30036c1c..f88f4f8ea2 100644
--- a/lib/dialyzer/src/dialyzer_options.erl
+++ b/lib/dialyzer/src/dialyzer_options.erl
@@ -197,6 +197,10 @@ build_options([{OptionName, Value} = Term|Rest], Options) ->
     solvers ->
       assert_solvers(Value),
       build_options(Rest, Options#options{solvers = Value});
+    native ->
+      build_options(Rest, Options#options{native = Value});
+    native_cache ->
+      build_options(Rest, Options#options{native_cache = Value});
     _ ->
       bad_option("Unknown dialyzer command line option", Term)
   end;
-- 
2.16.4

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File 2901-Allow-native-compilation-when-calling-Dialyzer-from-.patch of Package erlang (Revision ac78bcc5a6f7a4d1efd770008567e9f7)

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