#ifndef LLVM_SUPPORT_FORMAT_H
#define LLVM_SUPPORT_FORMAT_H
+#include <cassert>
#include <cstdio>
-#ifdef WIN32
+#ifdef _MSC_VER
+// FIXME: This define is wrong:
+// - _snprintf does not guarantee that trailing null is always added - if
+// there is no space for null, it does not report any error.
+// - According to C++ standard, snprintf should be visible in the 'std'
+// namespace - this define makes this impossible.
#define snprintf _snprintf
#endif
}
};
-/// format - This is a helper function that is used to produce formatted output.
-/// This is typically used like: OS << format("%0.4f", myfloat) << '\n';
+/// format_object4 - This is a templated helper class used by the format
+/// function that captures the object to be formated and the format string. When
+/// actually printed, this synthesizes the string into a temporary buffer
+/// provided and returns whether or not it is big enough.
+template <typename T1, typename T2, typename T3, typename T4>
+class format_object4 : public format_object_base {
+ T1 Val1;
+ T2 Val2;
+ T3 Val3;
+ T4 Val4;
+public:
+ format_object4(const char *fmt, const T1 &val1, const T2 &val2,
+ const T3 &val3, const T4 &val4)
+ : format_object_base(fmt), Val1(val1), Val2(val2), Val3(val3), Val4(val4) {
+ }
+
+ virtual int snprint(char *Buffer, unsigned BufferSize) const {
+ return snprintf(Buffer, BufferSize, Fmt, Val1, Val2, Val3, Val4);
+ }
+};
+
+/// format_object5 - This is a templated helper class used by the format
+/// function that captures the object to be formated and the format string. When
+/// actually printed, this synthesizes the string into a temporary buffer
+/// provided and returns whether or not it is big enough.
+template <typename T1, typename T2, typename T3, typename T4, typename T5>
+class format_object5 : public format_object_base {
+ T1 Val1;
+ T2 Val2;
+ T3 Val3;
+ T4 Val4;
+ T5 Val5;
+public:
+ format_object5(const char *fmt, const T1 &val1, const T2 &val2,
+ const T3 &val3, const T4 &val4, const T5 &val5)
+ : format_object_base(fmt), Val1(val1), Val2(val2), Val3(val3), Val4(val4),
+ Val5(val5) {
+ }
+
+ virtual int snprint(char *Buffer, unsigned BufferSize) const {
+ return snprintf(Buffer, BufferSize, Fmt, Val1, Val2, Val3, Val4, Val5);
+ }
+};
+
+/// This is a helper function that is used to produce formatted output.
+///
+/// This is typically used like:
+/// \code
+/// OS << format("%0.4f", myfloat) << '\n';
+/// \endcode
template <typename T>
inline format_object1<T> format(const char *Fmt, const T &Val) {
return format_object1<T>(Fmt, Val);
}
-/// format - This is a helper function that is used to produce formatted output.
-/// This is typically used like: OS << format("%0.4f", myfloat) << '\n';
+/// This is a helper function that is used to produce formatted output.
+///
+/// This is typically used like:
+/// \code
+/// OS << format("%0.4f", myfloat) << '\n';
+/// \endcode
template <typename T1, typename T2>
inline format_object2<T1, T2> format(const char *Fmt, const T1 &Val1,
const T2 &Val2) {
return format_object2<T1, T2>(Fmt, Val1, Val2);
}
-/// format - This is a helper function that is used to produce formatted output.
-/// This is typically used like: OS << format("%0.4f", myfloat) << '\n';
+/// This is a helper function that is used to produce formatted output.
+///
+/// This is typically used like:
+/// \code
+/// OS << format("%0.4f", myfloat) << '\n';
+/// \endcode
template <typename T1, typename T2, typename T3>
inline format_object3<T1, T2, T3> format(const char *Fmt, const T1 &Val1,
const T2 &Val2, const T3 &Val3) {
return format_object3<T1, T2, T3>(Fmt, Val1, Val2, Val3);
}
+/// This is a helper function that is used to produce formatted output.
+///
+/// This is typically used like:
+/// \code
+/// OS << format("%0.4f", myfloat) << '\n';
+/// \endcode
+template <typename T1, typename T2, typename T3, typename T4>
+inline format_object4<T1, T2, T3, T4> format(const char *Fmt, const T1 &Val1,
+ const T2 &Val2, const T3 &Val3,
+ const T4 &Val4) {
+ return format_object4<T1, T2, T3, T4>(Fmt, Val1, Val2, Val3, Val4);
+}
+
+/// This is a helper function that is used to produce formatted output.
+///
+/// This is typically used like:
+/// \code
+/// OS << format("%0.4f", myfloat) << '\n';
+/// \endcode
+template <typename T1, typename T2, typename T3, typename T4, typename T5>
+inline format_object5<T1, T2, T3, T4, T5> format(const char *Fmt,const T1 &Val1,
+ const T2 &Val2, const T3 &Val3,
+ const T4 &Val4, const T5 &Val5) {
+ return format_object5<T1, T2, T3, T4, T5>(Fmt, Val1, Val2, Val3, Val4, Val5);
+}
+
} // end namespace llvm
#endif