[PATCH] D61270: [CommandLine] Enable Grouping for short options by default. Part 4 of 5

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This revision was automatically updated to reflect the committed changes.
Closed by commit rL359917: [CommandLine] Enable Grouping for short options by default.  Part 4 of 5 (authored by dhinton, committed by ).
Herald added a subscriber: kristina.

Changed prior to commit:
  https://reviews.llvm.org/D61270?vs=197272&id=198059#toc

Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D61270/new/

https://reviews.llvm.org/D61270

Files:
  llvm/trunk/include/llvm/Support/CommandLine.h
  llvm/trunk/lib/Support/CommandLine.cpp
  llvm/trunk/test/tools/llvm-readobj/merged.test


Index: llvm/trunk/include/llvm/Support/CommandLine.h
===================================================================
--- llvm/trunk/include/llvm/Support/CommandLine.h
+++ llvm/trunk/include/llvm/Support/CommandLine.h
@@ -1200,7 +1200,11 @@
 };
 
 template <> struct applicator<MiscFlags> {
-  static void opt(MiscFlags MF, Option &O) { O.setMiscFlag(MF); }
+  static void opt(MiscFlags MF, Option &O) {
+    assert((MF != Grouping || O.ArgStr.size() == 1) &&
+           "cl::Grouping can only apply to single charater Options.");
+    O.setMiscFlag(MF);
+  }
 };
 
 // apply method - Apply modifiers to an option in a type safe way.
Index: llvm/trunk/test/tools/llvm-readobj/merged.test
===================================================================
--- llvm/trunk/test/tools/llvm-readobj/merged.test
+++ llvm/trunk/test/tools/llvm-readobj/merged.test
@@ -10,4 +10,4 @@
 RUN: not llvm-readobj -aeWhSrnudlVgIs %p/Inputs/trivial.obj.elf-i386 2>&1 | FileCheck %s --check-prefix=UNKNOWN
 
 CHECK-NOT: Unknown command line argument
-UNKNOWN:   Unknown command line argument
+UNKNOWN:   for the --section-headers option: may only occur zero or one times!
Index: llvm/trunk/lib/Support/CommandLine.cpp
===================================================================
--- llvm/trunk/lib/Support/CommandLine.cpp
+++ llvm/trunk/lib/Support/CommandLine.cpp
@@ -421,6 +421,8 @@
     GlobalParser->updateArgStr(this, S);
   assert((S.empty() || S[0] != '-') && "Option can't start with '-");
   ArgStr = S;
+  if (ArgStr.size() == 1)
+    setMiscFlag(Grouping);
 }
 
 void Option::reset() {


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