summaryrefslogtreecommitdiffstats
path: root/contrib/llvm/lib/Support/CommandLine.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/llvm/lib/Support/CommandLine.cpp')
-rw-r--r--contrib/llvm/lib/Support/CommandLine.cpp60
1 files changed, 28 insertions, 32 deletions
diff --git a/contrib/llvm/lib/Support/CommandLine.cpp b/contrib/llvm/lib/Support/CommandLine.cpp
index 17fba95..fdcdb03 100644
--- a/contrib/llvm/lib/Support/CommandLine.cpp
+++ b/contrib/llvm/lib/Support/CommandLine.cpp
@@ -120,7 +120,7 @@ public:
void addOption(Option *O) {
bool HadErrors = false;
- if (O->ArgStr[0]) {
+ if (O->hasArgStr()) {
// Add argument to the argument map!
if (!OptionsMap.insert(std::make_pair(O->ArgStr, O)).second) {
errs() << ProgramName << ": CommandLine Error: Option '" << O->ArgStr
@@ -151,12 +151,12 @@ public:
}
void removeOption(Option *O) {
- SmallVector<const char *, 16> OptionNames;
+ SmallVector<StringRef, 16> OptionNames;
O->getExtraOptionNames(OptionNames);
- if (O->ArgStr[0])
+ if (O->hasArgStr())
OptionNames.push_back(O->ArgStr);
for (auto Name : OptionNames)
- OptionsMap.erase(StringRef(Name));
+ OptionsMap.erase(Name);
if (O->getFormattingFlag() == cl::Positional)
for (auto Opt = PositionalOpts.begin(); Opt != PositionalOpts.end();
@@ -182,13 +182,13 @@ public:
nullptr != ConsumeAfterOpt);
}
- void updateArgStr(Option *O, const char *NewName) {
+ void updateArgStr(Option *O, StringRef NewName) {
if (!OptionsMap.insert(std::make_pair(NewName, O)).second) {
errs() << ProgramName << ": CommandLine Error: Option '" << O->ArgStr
<< "' registered more than once!\n";
report_fatal_error("inconsistency in registered CommandLine options");
}
- OptionsMap.erase(StringRef(O->ArgStr));
+ OptionsMap.erase(O->ArgStr);
}
void printOptionValues();
@@ -227,7 +227,7 @@ void Option::addArgument() {
void Option::removeArgument() { GlobalParser->removeOption(this); }
-void Option::setArgStr(const char *S) {
+void Option::setArgStr(StringRef S) {
if (FullyInitialized)
GlobalParser->updateArgStr(this, S);
ArgStr = S;
@@ -296,24 +296,23 @@ static Option *LookupNearestOption(StringRef Arg,
ie = OptionsMap.end();
it != ie; ++it) {
Option *O = it->second;
- SmallVector<const char *, 16> OptionNames;
+ SmallVector<StringRef, 16> OptionNames;
O->getExtraOptionNames(OptionNames);
- if (O->ArgStr[0])
+ if (O->hasArgStr())
OptionNames.push_back(O->ArgStr);
bool PermitValue = O->getValueExpectedFlag() != cl::ValueDisallowed;
StringRef Flag = PermitValue ? LHS : Arg;
- for (size_t i = 0, e = OptionNames.size(); i != e; ++i) {
- StringRef Name = OptionNames[i];
+ for (auto Name : OptionNames) {
unsigned Distance = StringRef(Name).edit_distance(
Flag, /*AllowReplacements=*/true, /*MaxEditDistance=*/BestDistance);
if (!Best || Distance < BestDistance) {
Best = O;
BestDistance = Distance;
if (RHS.empty() || !PermitValue)
- NearestString = OptionNames[i];
+ NearestString = Name;
else
- NearestString = (Twine(OptionNames[i]) + "=" + RHS).str();
+ NearestString = (Twine(Name) + "=" + RHS).str();
}
}
}
@@ -346,10 +345,7 @@ static bool CommaSeparateAndAddOccurrence(Option *Handler, unsigned pos,
Value = Val;
}
- if (Handler->addOccurrence(pos, ArgName, Value, MultiArg))
- return true;
-
- return false;
+ return Handler->addOccurrence(pos, ArgName, Value, MultiArg);
}
/// ProvideOption - For Value, this differentiates between an empty value ("")
@@ -799,7 +795,7 @@ void cl::ParseEnvironmentOptions(const char *progName, const char *envVar,
// telling us.
SmallVector<const char *, 20> newArgv;
BumpPtrAllocator A;
- BumpPtrStringSaver Saver(A);
+ StringSaver Saver(A);
newArgv.push_back(Saver.save(progName));
// Parse the value of the environment variable into a "command line"
@@ -822,7 +818,7 @@ void CommandLineParser::ParseCommandLineOptions(int argc,
// Expand response files.
SmallVector<const char *, 20> newArgv(argv, argv + argc);
BumpPtrAllocator A;
- BumpPtrStringSaver Saver(A);
+ StringSaver Saver(A);
ExpandResponseFiles(Saver, TokenizeGNUCommandLine, newArgv);
argv = &newArgv[0];
argc = static_cast<int>(newArgv.size());
@@ -859,7 +855,7 @@ void CommandLineParser::ParseCommandLineOptions(int argc,
"error - this positional option will never be matched, "
"because it does not Require a value, and a "
"cl::ConsumeAfter option is active!");
- } else if (UnboundedFound && !Opt->ArgStr[0]) {
+ } else if (UnboundedFound && !Opt->hasArgStr()) {
// This option does not "require" a value... Make sure this option is
// not specified after an option that eats all extra arguments, or this
// one will never get any!
@@ -1144,8 +1140,8 @@ bool Option::addOccurrence(unsigned pos, StringRef ArgName, StringRef Value,
// getValueStr - Get the value description string, using "DefaultMsg" if nothing
// has been specified yet.
//
-static const char *getValueStr(const Option &O, const char *DefaultMsg) {
- if (O.ValueStr[0] == 0)
+static StringRef getValueStr(const Option &O, StringRef DefaultMsg) {
+ if (O.ValueStr.empty())
return DefaultMsg;
return O.ValueStr;
}
@@ -1155,7 +1151,7 @@ static const char *getValueStr(const Option &O, const char *DefaultMsg) {
//
// Return the width of the option tag for printing...
-size_t alias::getOptionWidth() const { return std::strlen(ArgStr) + 6; }
+size_t alias::getOptionWidth() const { return ArgStr.size() + 6; }
static void printHelpStr(StringRef HelpStr, size_t Indent,
size_t FirstLineIndentedBy) {
@@ -1170,7 +1166,7 @@ static void printHelpStr(StringRef HelpStr, size_t Indent,
// Print out the option for the alias.
void alias::printOptionInfo(size_t GlobalWidth) const {
outs() << " -" << ArgStr;
- printHelpStr(HelpStr, GlobalWidth, std::strlen(ArgStr) + 6);
+ printHelpStr(HelpStr, GlobalWidth, ArgStr.size() + 6);
}
//===----------------------------------------------------------------------===//
@@ -1182,9 +1178,9 @@ void alias::printOptionInfo(size_t GlobalWidth) const {
// Return the width of the option tag for printing...
size_t basic_parser_impl::getOptionWidth(const Option &O) const {
- size_t Len = std::strlen(O.ArgStr);
+ size_t Len = O.ArgStr.size();
if (const char *ValName = getValueName())
- Len += std::strlen(getValueStr(O, ValName)) + 3;
+ Len += getValueStr(O, ValName).size() + 3;
return Len + 6;
}
@@ -1205,7 +1201,7 @@ void basic_parser_impl::printOptionInfo(const Option &O,
void basic_parser_impl::printOptionName(const Option &O,
size_t GlobalWidth) const {
outs() << " -" << O.ArgStr;
- outs().indent(GlobalWidth - std::strlen(O.ArgStr));
+ outs().indent(GlobalWidth - O.ArgStr.size());
}
// parser<bool> implementation
@@ -1319,7 +1315,7 @@ unsigned generic_parser_base::findOption(const char *Name) {
// Return the width of the option tag for printing...
size_t generic_parser_base::getOptionWidth(const Option &O) const {
if (O.hasArgStr()) {
- size_t Size = std::strlen(O.ArgStr) + 6;
+ size_t Size = O.ArgStr.size() + 6;
for (unsigned i = 0, e = getNumOptions(); i != e; ++i)
Size = std::max(Size, std::strlen(getOption(i)) + 8);
return Size;
@@ -1338,7 +1334,7 @@ void generic_parser_base::printOptionInfo(const Option &O,
size_t GlobalWidth) const {
if (O.hasArgStr()) {
outs() << " -" << O.ArgStr;
- printHelpStr(O.HelpStr, GlobalWidth, std::strlen(O.ArgStr) + 6);
+ printHelpStr(O.HelpStr, GlobalWidth, O.ArgStr.size() + 6);
for (unsigned i = 0, e = getNumOptions(); i != e; ++i) {
size_t NumSpaces = GlobalWidth - strlen(getOption(i)) - 8;
@@ -1346,7 +1342,7 @@ void generic_parser_base::printOptionInfo(const Option &O,
outs().indent(NumSpaces) << " - " << getDescription(i) << '\n';
}
} else {
- if (O.HelpStr[0])
+ if (!O.HelpStr.empty())
outs() << " " << O.HelpStr << '\n';
for (unsigned i = 0, e = getNumOptions(); i != e; ++i) {
const char *Option = getOption(i);
@@ -1365,7 +1361,7 @@ void generic_parser_base::printGenericOptionDiff(
const Option &O, const GenericOptionValue &Value,
const GenericOptionValue &Default, size_t GlobalWidth) const {
outs() << " -" << O.ArgStr;
- outs().indent(GlobalWidth - std::strlen(O.ArgStr));
+ outs().indent(GlobalWidth - O.ArgStr.size());
unsigned NumOpts = getNumOptions();
for (unsigned i = 0; i != NumOpts; ++i) {
@@ -1508,7 +1504,7 @@ public:
outs() << "USAGE: " << GlobalParser->ProgramName << " [options]";
for (auto Opt : GlobalParser->PositionalOpts) {
- if (Opt->ArgStr[0])
+ if (Opt->hasArgStr())
outs() << " --" << Opt->ArgStr;
outs() << " " << Opt->HelpStr;
}
OpenPOWER on IntegriCloud