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[llvm-ar] Implement the V modifier as an alias for --version

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Summary: Also update the help modifier (h) so that it works as a modifier and not just as a standalone `h`. For example, `llvm-ar h` prints the help message, but `llvm-ar xh` currently prints `unknown option h`.

Reviewers: MaskRay, gbreynoo

Subscribers: llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D69007

llvm-svn: 375028
This commit is contained in:
Jordan Rupprecht 2019-10-16 18:39:52 +00:00
parent 01de66076c
commit 753019aa7b
3 changed files with 25 additions and 1 deletions
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5
test/tools/llvm-ar/help-message.test
View File

@ -1,5 +1,10 @@
## Show that the help message for llvm-ar can be printed with either the long
## flag -help or with the h modifier.
# RUN: llvm-ar h | FileCheck %s
# RUN: llvm-ar xh | FileCheck %s
# RUN: llvm-ar -h | FileCheck %s
# RUN: llvm-ar -xh | FileCheck %s
# RUN: llvm-ar -help | FileCheck %s
# RUN: llvm-ar --help | FileCheck %s

11
test/tools/llvm-ar/version.test Normal file
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@ -0,0 +1,11 @@
## Show that the version for llvm-ar can be printed with either the long flag
## -version or with the V modifier.
RUN: llvm-ar V | FileCheck %s
RUN: llvm-ar xV | FileCheck %s
RUN: llvm-ar -V | FileCheck %s
RUN: llvm-ar -xV | FileCheck %s
RUN: llvm-ar -version | FileCheck %s
RUN: llvm-ar --version | FileCheck %s
CHECK: version

10
tools/llvm-ar/llvm-ar.cpp
View File

@ -100,6 +100,7 @@ MODIFIERS:
[b] - put [files] before [relpos] (same as [i])
[c] - do not warn if archive had to be created
[D] - use zero for timestamps and uids/gids (default)
[h] - display this help and exit
[i] - put [files] before [relpos] (same as [b])
[l] - ignored for compatibility
[L] - add archive's contents
@ -112,6 +113,7 @@ MODIFIERS:
[u] - update only [files] newer than archive contents
[U] - use actual timestamps and uids/gids
[v] - be verbose about actions taken
[V] - display the version and exit
)";
void printHelpMessage() {
@ -381,6 +383,12 @@ static ArchiveOperation parseCommandLine() {
case 'L':
AddLibrary = true;
break;
case 'V':
cl::PrintVersionMessage();
exit(0);
case 'h':
printHelpMessage();
exit(0);
default:
fail(std::string("unknown option ") + Options[i]);
}
@ -1063,7 +1071,7 @@ static void runMRIScript() {
}
static bool handleGenericOption(StringRef arg) {
if (arg == "h" || arg.startswith("-h") || arg == "--help") {
if (arg == "-help" || arg == "--help") {
printHelpMessage();
return true;
}