Add permissions(), map_file_pages(), and unmap_file_pages() to llvm::sys::fs and...

[oota-llvm.git] / include / llvm / Support / CommandLine.h

diff --git a/include/llvm/Support/CommandLine.h b/include/llvm/Support/CommandLine.h
index dfa5844fcabbe55f592cd834622a02d12fff1135..40c4300016742beaf2d54a4808eb827981459d39 100644 (file)
--- a/include/llvm/Support/CommandLine.h
+++ b/include/llvm/Support/CommandLine.h
@@ -40,7 +40,7 @@ namespace cl {
 //===----------------------------------------------------------------------===//
 // ParseCommandLineOptions - Command line option processing entry point.
 //
-void ParseCommandLineOptions(int argc, char **argv,
+void ParseCommandLineOptions(int argc, const char * const *argv,
                              const char *Overview = 0,
                              bool ReadResponseFiles = false);
 
@@ -163,12 +163,14 @@ class Option {
   virtual void anchor();
 
   int NumOccurrences;     // The number of times specified
-  enum NumOccurrencesFlag Occurrences : 3;
+  // Occurrences, HiddenFlag, and Formatting are all enum types but to avoid
+  // problems with signed enums in bitfields.
+  unsigned Occurrences : 3; // enum NumOccurrencesFlag
   // not using the enum type for 'Value' because zero is an implementation
   // detail representing the non-value
   unsigned Value : 2;
-  enum OptionHidden HiddenFlag : 2;
-  enum FormattingFlags Formatting : 2;
+  unsigned HiddenFlag : 2; // enum OptionHidden
+  unsigned Formatting : 2; // enum FormattingFlags
   unsigned Misc : 3;
   unsigned Position;      // Position of last occurrence of the option
   unsigned AdditionalVals;// Greater than 0 for multi-valued option.
@@ -179,17 +181,17 @@ public:
   const char *ValueStr;   // String describing what the value of this option is
 
   inline enum NumOccurrencesFlag getNumOccurrencesFlag() const {
-    return Occurrences;
+    return (enum NumOccurrencesFlag)Occurrences;
   }
   inline enum ValueExpected getValueExpectedFlag() const {
-    return Value ? static_cast<enum ValueExpected>(Value)
+    return Value ? ((enum ValueExpected)Value)
               : getValueExpectedFlagDefault();
   }
   inline enum OptionHidden getOptionHiddenFlag() const {
-    return HiddenFlag;
+    return (enum OptionHidden)HiddenFlag;
   }
   inline enum FormattingFlags getFormattingFlag() const {
-    return Formatting;
+    return (enum FormattingFlags)Formatting;
   }
   inline unsigned getMiscFlags() const {
     return Misc;
@@ -215,9 +217,9 @@ public:
   void setMiscFlag(enum MiscFlags M) { Misc |= M; }
   void setPosition(unsigned pos) { Position = pos; }
 protected:
-  explicit Option(enum NumOccurrencesFlag Occurrences, 
+  explicit Option(enum NumOccurrencesFlag OccurrencesFlag, 
                   enum OptionHidden Hidden)
-    : NumOccurrences(0), Occurrences(Occurrences), HiddenFlag(Hidden), 
+    : NumOccurrences(0), Occurrences(OccurrencesFlag), HiddenFlag(Hidden), 
       Formatting(NormalFormatting), Position(0),
       AdditionalVals(0), NextRegistered(0),
       ArgStr(""), HelpStr(""), ValueStr("") {
@@ -335,7 +337,7 @@ struct OptionValueBase : public GenericOptionValue {
 
   bool hasValue() const { return false; }
 
-  const DataType &getValue() const { assert(false && "no default value"); }
+  const DataType &getValue() const { llvm_unreachable("no default value"); }
 
   // Some options may take their value from a different data type.
   template<class DT>