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Add support for 'unsigned' command line arguments

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llvm-svn: 6928
This commit is contained in:
Chris Lattner 2003-06-28 15:47:20 +00:00
parent 6fc4a480f3
commit 4d3ee0f3b1
3 changed files with 41 additions and 4 deletions
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15
include/Support/CommandLine.h
View File

@ -515,6 +515,21 @@ struct parser<int> : public basic_parser<int> {
};
//--------------------------------------------------
// parser<unsigned>
//
template<>
struct parser<unsigned> : public basic_parser<unsigned> {
// parse - Return true on error.
bool parse(Option &O, const char *ArgName, const std::string &Arg,
unsigned &Val);
// getValueName - Overload in subclass to provide a better default value.
virtual const char *getValueName() const { return "uint"; }
};
//--------------------------------------------------
// parser<double>
//

15
lib/Support/CommandLine.cpp
View File

@ -575,14 +575,25 @@ bool parser<bool>::parse(Option &O, const char *ArgName,
//
bool parser<int>::parse(Option &O, const char *ArgName,
const std::string &Arg, int &Value) {
const char *ArgStart = Arg.c_str();
char *End;
Value = (int)strtol(ArgStart, &End, 0);
Value = (int)strtol(Arg.c_str(), &End, 0);
if (*End != 0)
return O.error(": '" + Arg + "' value invalid for integer argument!");
return false;
}
// parser<unsigned> implementation
//
bool parser<unsigned>::parse(Option &O, const char *ArgName,
const std::string &Arg, unsigned &Value) {
char *End;
long long int V = strtoll(Arg.c_str(), &End, 0);
Value = (unsigned)V;
if (*End != 0 || V < 0 || Value != V)
return O.error(": '" + Arg + "' value invalid for uint argument!");
return false;
}
// parser<double>/parser<float> implementation
//
static bool parseDouble(Option &O, const std::string &Arg, double &Value) {

15
support/lib/Support/CommandLine.cpp
View File

@ -575,14 +575,25 @@ bool parser<bool>::parse(Option &O, const char *ArgName,
//
bool parser<int>::parse(Option &O, const char *ArgName,
const std::string &Arg, int &Value) {
const char *ArgStart = Arg.c_str();
char *End;
Value = (int)strtol(ArgStart, &End, 0);
Value = (int)strtol(Arg.c_str(), &End, 0);
if (*End != 0)
return O.error(": '" + Arg + "' value invalid for integer argument!");
return false;
}
// parser<unsigned> implementation
//
bool parser<unsigned>::parse(Option &O, const char *ArgName,
const std::string &Arg, unsigned &Value) {
char *End;
long long int V = strtoll(Arg.c_str(), &End, 0);
Value = (unsigned)V;
if (*End != 0 || V < 0 || Value != V)
return O.error(": '" + Arg + "' value invalid for uint argument!");
return false;
}
// parser<double>/parser<float> implementation
//
static bool parseDouble(Option &O, const std::string &Arg, double &Value) {