[Reproducers] Improve reproducer help

Extend the documentation for the reproducer command.

llvm-svn: 359848

lldb/source/Commands/CommandObjectReproducer.cpp

@@ -21,8 +21,12 @@ using namespace lldb_private;
 class CommandObjectReproducerGenerate : public CommandObjectParsed {
 public:
   CommandObjectReproducerGenerate(CommandInterpreter &interpreter)
-      : CommandObjectParsed(interpreter, "reproducer generate",
+      : CommandObjectParsed(
-                            "Generate reproducer on disk.", nullptr) {}
+            interpreter, "reproducer generate",
+            "Generate reproducer on disk. When the debugger is in capture "
+            "mode, this command will output the reproducer to a directory on "
+            "disk. In replay mode this command in a no-op.",
+            nullptr) {}
 
   ~CommandObjectReproducerGenerate() override = default;
 
@@ -61,8 +65,14 @@ protected:
 class CommandObjectReproducerStatus : public CommandObjectParsed {
 public:
   CommandObjectReproducerStatus(CommandInterpreter &interpreter)
-      : CommandObjectParsed(interpreter, "reproducer status",
+      : CommandObjectParsed(
-                            "Show the current reproducer status.", nullptr) {}
+            interpreter, "reproducer status",
+            "Show the current reproducer status. In capture mode the debugger "
+            "is collecting all the information it needs to create a "
+            "reproducer.  In replay mode the reproducer is replaying a "
+            "reproducer. When the reproducers are off, no data is collected "
+            "and no reproducer can be generated.",
+            nullptr) {}
 
   ~CommandObjectReproducerStatus() override = default;
 
@@ -90,9 +100,10 @@ protected:
 
 CommandObjectReproducer::CommandObjectReproducer(
     CommandInterpreter &interpreter)
-    : CommandObjectMultiword(interpreter, "reproducer",
+    : CommandObjectMultiword(
-                             "Commands controlling LLDB reproducers.",
+          interpreter, "reproducer",
-                             "log <subcommand> [<command-options>]") {
+          "Commands to inspect and manipulate the reproducer functionality.",
+          "log <subcommand> [<command-options>]") {
   LoadSubCommand(
       "generate",
       CommandObjectSP(new CommandObjectReproducerGenerate(interpreter)));