[llvm] r359917 - [CommandLine] Enable Grouping for short options by default. Part 4 of 5
Don Hinton via llvm-commits
llvm-commits at lists.llvm.org
Fri May 3 11:56:25 PDT 2019
Author: dhinton
Date: Fri May 3 11:56:25 2019
New Revision: 359917
URL: http://llvm.org/viewvc/llvm-project?rev=359917&view=rev
Log:
[CommandLine] Enable Grouping for short options by default. Part 4 of 5
Summary:
This change enables `cl::Grouping` for short options --
options with names of a single character. This is consistent with GNU
getopt behavior.
Reviewers: rnk, MaskRay
Reviewed By: MaskRay
Subscribers: thopre, cfe-commits, MaskRay, rupprecht, hiraditya, llvm-commits
Tags: #llvm, #clang
Differential Revision: https://reviews.llvm.org/D61270
Modified:
llvm/trunk/include/llvm/Support/CommandLine.h
llvm/trunk/lib/Support/CommandLine.cpp
llvm/trunk/test/tools/llvm-readobj/merged.test
Modified: llvm/trunk/include/llvm/Support/CommandLine.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/CommandLine.h?rev=359917&r1=359916&r2=359917&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Support/CommandLine.h (original)
+++ llvm/trunk/include/llvm/Support/CommandLine.h Fri May 3 11:56:25 2019
@@ -1200,7 +1200,11 @@ template <> struct applicator<Formatting
};
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.
Modified: llvm/trunk/lib/Support/CommandLine.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/CommandLine.cpp?rev=359917&r1=359916&r2=359917&view=diff
==============================================================================
--- llvm/trunk/lib/Support/CommandLine.cpp (original)
+++ llvm/trunk/lib/Support/CommandLine.cpp Fri May 3 11:56:25 2019
@@ -421,6 +421,8 @@ void Option::setArgStr(StringRef S) {
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() {
Modified: llvm/trunk/test/tools/llvm-readobj/merged.test
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/llvm-readobj/merged.test?rev=359917&r1=359916&r2=359917&view=diff
==============================================================================
--- llvm/trunk/test/tools/llvm-readobj/merged.test (original)
+++ llvm/trunk/test/tools/llvm-readobj/merged.test Fri May 3 11:56:25 2019
@@ -10,4 +10,4 @@ RUN: FileCheck %s --input-file %t.merged
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!
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