Use stdout for --help text instead of stderr (#7730)

* Use stdout for --help text instead of stderr

* format code (#13)

Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>

---------

Co-authored-by: slangbot <ellieh+slangbot@nvidia.com>
Co-authored-by: slangbot <186143334+slangbot@users.noreply.github.com>

3 files changed, 10 insertions, 3 deletions

diff --git a/tools/slang-test/options.cpp b/tools/slang-test/options.cpp
index 4103d56b5..65783477f 100644
--- a/tools/slang-test/options.cpp
+++ b/tools/slang-test/options.cpp
@@ -111,6 +111,7 @@ static bool _isSubCommand(const char* arg)
     int argc,
     char** argv,
     TestCategorySet* categorySet,
+    Slang::WriterHelper stdOut,
     Slang::WriterHelper stdError,
     Options* optionsOut)
 {
@@ -147,7 +148,7 @@ static bool _isSubCommand(const char* arg)
     {
         if (strcmp(argv[i], "-h") == 0 || strcmp(argv[i], "--help") == 0)
         {
-            showHelp(stdError);
+            showHelp(stdOut);
             return SLANG_FAIL;
         }
     }
diff --git a/tools/slang-test/options.h b/tools/slang-test/options.h
index 8ae89d084..df2de310a 100644
--- a/tools/slang-test/options.h
+++ b/tools/slang-test/options.h
@@ -141,6 +141,7 @@ struct Options
         int argc,
         char** argv,
         TestCategorySet* categorySet,
+        Slang::WriterHelper stdOut,
         Slang::WriterHelper stdError,
         Options* optionsOut);
 
diff --git a/tools/slang-test/slang-test-main.cpp b/tools/slang-test/slang-test-main.cpp
index 4eab84340..6355426f7 100644
--- a/tools/slang-test/slang-test-main.cpp
+++ b/tools/slang-test/slang-test-main.cpp
@@ -4997,8 +4997,13 @@ SlangResult innerMain(int argc, char** argv)
         context.setInnerMainFunc("slangi", &SlangITool::innerMain);
     }
 
-    SLANG_RETURN_ON_FAIL(
-        Options::parse(argc, argv, &categorySet, StdWriters::getError(), &context.options));
+    SLANG_RETURN_ON_FAIL(Options::parse(
+        argc,
+        argv,
+        &categorySet,
+        StdWriters::getOut(),
+        StdWriters::getError(),
+        &context.options));
 
     Options& options = context.options;