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// $Id$
//***************************************************************************
//
// File:
// ProgramOption.C
//
// Purpose:
// General representations for a program option.
//
// History:
// 08/08/95 - adve - created in the dHPF compiler
// 11/26/96 - adve - EvalOpt now returns #args consumed, or -1 for error
// 07/15/01 - vadve - Copied to LLVM system and modified
//
//**************************************************************************/
//************************** System Include Files **************************/
#include <assert.h>
#include <stdlib.h>
#include <stdio.h>
#include <string>
//*************************** User Include Files ***************************/
#include "llvm/Support/ProgramOption.h"
//********************** Local Variable Definitions ************************/
//************************ Class Implementations ***************************/
//**************************************************************************/
StringOption::StringOption(const char* _argString,
const char* _helpMesg,
const char* _initValue,
bool _append)
: ProgramOption(_argString, _helpMesg),
value(_initValue),
append(_append)
{}
int
StringOption::EvalOpt(const char* optarg)
{
if (optarg == (char*) NULL)
return -1; // flag the error
if (this->append)
value += optarg;
else
value = optarg;
optionSpecified = true;
return 1; // one additional argument consumed
}
//**************************************************************************/
FlagOption::FlagOption(const char* _argString,
const char* _helpMesg,
bool _initValue)
: ProgramOption(_argString, _helpMesg, 0),
value(_initValue)
{}
int
FlagOption::EvalOpt(const char* optarg)
{
if (strcmp(optarg, "0") == 0) {
value = false;
return 1; // one additional argument consumed
}
else {
value = true;
return 0; // zero ... consumed
}
}
//**************************************************************************/
RealValuedOption::RealValuedOption(const char* _argString,
const char* _helpMesg,
double _initValue)
: ProgramOption(_argString, _helpMesg),
value(_initValue)
{}
int
RealValuedOption::EvalOpt(const char* optarg)
{
if (optarg == (char*) NULL)
return -1;
char* lastCharScanned = NULL;
value = strtod(optarg, &lastCharScanned);
if (! (*lastCharScanned == '\0')) // look for incorrect or partially
return -1; // correct numerical argument
optionSpecified = true;
return 1;
}
char*
RealValuedOption::GetTextValue() const
{
char buffer[40];
sprintf(buffer, "%f", value);
return strdup(buffer);
}
//**************************************************************************/
IntegerValuedOption::IntegerValuedOption(const char* _argString,
const char* _helpMesg,
int _initValue)
: RealValuedOption(_argString, _helpMesg, (double) _initValue)
{}
int
IntegerValuedOption::Value() const
{
double realValue = RealValuedOption::Value();
assert(realValue == (int) realValue);
return (int) realValue;
}
char*
IntegerValuedOption::GetTextValue() const
{
char buffer[40];
sprintf(buffer, "%d", Value());
return strdup(buffer);
}
//**************************************************************************/
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