-//===- Support/CommandLine.h - Flexible Command line parser ------*- C++ -*--=//
+//===- Support/CommandLine.h - Flexible Command line parser -----*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by the LLVM research group and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
//
// This class implements a command line argument processor that is useful when
// creating a tool. It provides a simple, minimalistic interface that is easily
#ifndef SUPPORT_COMMANDLINE_H
#define SUPPORT_COMMANDLINE_H
+#include "Support/type_traits.h"
#include <string>
#include <vector>
#include <utility>
#include <cstdarg>
-#include "boost/type_traits/object_traits.hpp"
+#include <cassert>
+
+namespace llvm {
/// cl Namespace - This namespace contains all of the command line option
/// processing machinery. It is intentionally a short name to make qualified
//===----------------------------------------------------------------------===//
// ParseCommandLineOptions - Command line option processing entry point.
//
-void cl::ParseCommandLineOptions(int &argc, char **argv,
- const char *Overview = 0);
+void ParseCommandLineOptions(int &argc, char **argv,
+ const char *Overview = 0);
+
+//===----------------------------------------------------------------------===//
+// ParseEnvironmentOptions - Environment variable option processing alternate
+// entry point.
+//
+void ParseEnvironmentOptions(const char *progName, const char *envvar,
+ const char *Overview = 0);
//===----------------------------------------------------------------------===//
// Flags permitted to be passed to command line arguments
};
enum MiscFlags { // Miscellaneous flags to adjust argument
- CommaSeparated = 0x200, // Should this cl::list split between commas?
- MiscMask = 0x200,
+ CommaSeparated = 0x200, // Should this cl::list split between commas?
+ PositionalEatsArgs = 0x400, // Should this positional cl::list eat -args?
+ MiscMask = 0x600,
};
//
class alias;
class Option {
- friend void cl::ParseCommandLineOptions(int &, char **, const char *, int);
+ friend void cl::ParseCommandLineOptions(int &, char **, const char *);
friend class alias;
// handleOccurrences - Overriden by subclasses to handle the value passed into
inline enum NumOccurrences getNumOccurrencesFlag() const {
int NO = Flags & OccurrencesMask;
- return NO ? (enum NumOccurrences)NO : getNumOccurrencesFlagDefault();
+ return NO ? static_cast<enum NumOccurrences>(NO)
+ : getNumOccurrencesFlagDefault();
}
inline enum ValueExpected getValueExpectedFlag() const {
int VE = Flags & ValueMask;
- return VE ? (enum ValueExpected)VE : getValueExpectedFlagDefault();
+ return VE ? static_cast<enum ValueExpected>(VE)
+ : getValueExpectedFlagDefault();
}
inline enum OptionHidden getOptionHiddenFlag() const {
int OH = Flags & HiddenMask;
- return OH ? (enum OptionHidden)OH : getOptionHiddenFlagDefault();
+ return OH ? static_cast<enum OptionHidden>(OH)
+ : getOptionHiddenFlagDefault();
}
inline enum FormattingFlags getFormattingFlag() const {
int OH = Flags & FormattingMask;
- return OH ? (enum FormattingFlags)OH : getFormattingFlagDefault();
+ return OH ? static_cast<enum FormattingFlags>(OH)
+ : getFormattingFlagDefault();
}
inline unsigned getMiscFlags() const {
return Flags & MiscMask;
// Process the varargs portion of the values...
while (const char *EnumName = va_arg(ValueArgs, const char *)) {
- DataType EnumVal = (DataType)va_arg(ValueArgs, int);
+ DataType EnumVal = static_cast<DataType>(va_arg(ValueArgs, int));
const char *EnumDesc = va_arg(ValueArgs, const char *);
Values.push_back(std::make_pair(EnumName, // Add value to value map
std::make_pair(EnumVal, EnumDesc)));
// In which case, the value is required. Otherwise if an arg str has not
// been specified, we are of the form:
//
- // -O2 or O2 or -la (where -l and -a are seperate options)
+ // -O2 or O2 or -la (where -l and -a are separate options)
//
// If this is the case, we cannot allow a value.
//
template <class DT>
void addLiteralOption(const char *Name, const DT &V, const char *HelpStr) {
assert(findOption(Name) == Values.size() && "Option already exists!");
- Values.push_back(std::make_pair(Name, std::make_pair((DataType)V,HelpStr)));
+ Values.push_back(std::make_pair(Name,
+ std::make_pair(static_cast<DataType>(V),HelpStr)));
}
// removeLiteralOption - Remove the specified option.
void check() {
assert(Location != 0 && "cl::location(...) not specified for a command "
- "line option with external storage!");
+ "line option with external storage, "
+ "or cl::init specified before cl::location()!!");
}
public:
opt_storage() : Location(0) {}
class ParserClass = parser<DataType> >
class opt : public Option,
public opt_storage<DataType, ExternalStorage,
- ::boost::is_class<DataType>::value> {
+ is_class<DataType>::value> {
ParserClass Parser;
virtual bool handleOccurrence(const char *ArgName, const std::string &Arg) {
}
public:
// setInitialValue - Used by the cl::init modifier...
- void setInitialValue(const DataType &V) { setValue(V); }
+ void setInitialValue(const DataType &V) { this->setValue(V); }
ParserClass &getParser() { return Parser; }
- operator DataType() const { return getValue(); }
+ operator DataType() const { return this->getValue(); }
template<class T>
- DataType &operator=(const T &Val) { setValue(Val); return getValue(); }
+ DataType &operator=(const T &Val) {
+ this->setValue(Val);
+ return this->getValue();
+ }
// One option...
template<class M0t>
} // End namespace cl
+} // End namespace llvm
+
#endif
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