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[CommandLine] Add template instantiations of cl::parser for long and long long. 

This allows cl::opt<int64_t>.

Reviewed By: MaskRay

Differential Revision: https://reviews.llvm.org/D71729
This commit is contained in:
River Riddle 2019-12-19 16:57:03 -08:00 committed by Fangrui Song
parent 99f72d90ca
commit a77a290a4d
2 changed files with 68 additions and 0 deletions
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44
llvm/include/llvm/Support/CommandLine.h
View File

@ -991,6 +991,50 @@ public:
extern template class basic_parser<int>;
//--------------------------------------------------
// parser<long>
//
template <> class parser<long> final : public basic_parser<long> {
public:
parser(Option &O) : basic_parser(O) {}
// parse - Return true on error.
bool parse(Option &O, StringRef ArgName, StringRef Arg, long &Val);
// getValueName - Overload in subclass to provide a better default value.
StringRef getValueName() const override { return "long"; }
void printOptionDiff(const Option &O, long V, OptVal Default,
size_t GlobalWidth) const;
// An out-of-line virtual method to provide a 'home' for this class.
void anchor() override;
};
extern template class basic_parser<long>;
//--------------------------------------------------
// parser<long long>
//
template <> class parser<long long> : public basic_parser<long long> {
public:
parser(Option &O) : basic_parser(O) {}
// parse - Return true on error.
bool parse(Option &O, StringRef ArgName, StringRef Arg, long long &Val);
// getValueName - Overload in subclass to provide a better default value.
StringRef getValueName() const override { return "long"; }
void printOptionDiff(const Option &O, long long V, OptVal Default,
size_t GlobalWidth) const;
// An out-of-line virtual method to provide a 'home' for this class.
void anchor() override;
};
extern template class basic_parser<long long>;
//--------------------------------------------------
// parser<unsigned>
//

24
llvm/lib/Support/CommandLine.cpp
View File

@ -57,6 +57,8 @@ namespace cl {
template class basic_parser<bool>;
template class basic_parser<boolOrDefault>;
template class basic_parser<int>;
template class basic_parser<long>;
template class basic_parser<long long>;
template class basic_parser<unsigned>;
template class basic_parser<unsigned long>;
template class basic_parser<unsigned long long>;
@ -82,6 +84,8 @@ void basic_parser_impl::anchor() {}
void parser<bool>::anchor() {}
void parser<boolOrDefault>::anchor() {}
void parser<int>::anchor() {}
void parser<long>::anchor() {}
void parser<long long>::anchor() {}
void parser<unsigned>::anchor() {}
void parser<unsigned long>::anchor() {}
void parser<unsigned long long>::anchor() {}
@ -1806,6 +1810,24 @@ bool parser<int>::parse(Option &O, StringRef ArgName, StringRef Arg,
return false;
}
// parser<long> implementation
//
bool parser<long>::parse(Option &O, StringRef ArgName, StringRef Arg,
long &Value) {
if (Arg.getAsInteger(0, Value))
return O.error("'" + Arg + "' value invalid for long argument!");
return false;
}
// parser<long long> implementation
//
bool parser<long long>::parse(Option &O, StringRef ArgName, StringRef Arg,
long long &Value) {
if (Arg.getAsInteger(0, Value))
return O.error("'" + Arg + "' value invalid for llong argument!");
return false;
}
// parser<unsigned> implementation
//
bool parser<unsigned>::parse(Option &O, StringRef ArgName, StringRef Arg,
@ -2015,6 +2037,8 @@ void generic_parser_base::printGenericOptionDiff(
PRINT_OPT_DIFF(bool)
PRINT_OPT_DIFF(boolOrDefault)
PRINT_OPT_DIFF(int)
PRINT_OPT_DIFF(long)
PRINT_OPT_DIFF(long long)
PRINT_OPT_DIFF(unsigned)
PRINT_OPT_DIFF(unsigned long)
PRINT_OPT_DIFF(unsigned long long)