#ifndef LLVM_SUPPORT_FORMAT_H
#define LLVM_SUPPORT_FORMAT_H
#include <cassert>
#include <cstdio>
#ifdef _MSC_VER
#define snprintf _snprintf
#endif
namespace llvm {
class format_object_base {
protected:
const char *Fmt;
virtual void home();
virtual int snprint(char *Buffer, unsigned BufferSize) const = 0;
public:
format_object_base(const char *fmt) : Fmt(fmt) {}
virtual ~format_object_base() {}
unsigned print(char *Buffer, unsigned BufferSize) const {
assert(BufferSize && "Invalid buffer size!");
int N = snprint(Buffer, BufferSize);
if (N < 0)
return BufferSize * 2;
if (unsigned(N) >= BufferSize)
return N + 1;
return N;
}
};
template <typename T>
class format_object1 : public format_object_base {
T Val;
public:
format_object1(const char *fmt, const T &val)
: format_object_base(fmt), Val(val) {
}
int snprint(char *Buffer, unsigned BufferSize) const override {
return snprintf(Buffer, BufferSize, Fmt, Val);
}
};
template <typename T1, typename T2>
class format_object2 : public format_object_base {
T1 Val1;
T2 Val2;
public:
format_object2(const char *fmt, const T1 &val1, const T2 &val2)
: format_object_base(fmt), Val1(val1), Val2(val2) {
}
int snprint(char *Buffer, unsigned BufferSize) const override {
return snprintf(Buffer, BufferSize, Fmt, Val1, Val2);
}
};
template <typename T1, typename T2, typename T3>
class format_object3 : public format_object_base {
T1 Val1;
T2 Val2;
T3 Val3;
public:
format_object3(const char *fmt, const T1 &val1, const T2 &val2,const T3 &val3)
: format_object_base(fmt), Val1(val1), Val2(val2), Val3(val3) {
}
int snprint(char *Buffer, unsigned BufferSize) const override {
return snprintf(Buffer, BufferSize, Fmt, Val1, Val2, Val3);
}
};
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) {
}
int snprint(char *Buffer, unsigned BufferSize) const override {
return snprintf(Buffer, BufferSize, Fmt, Val1, Val2, Val3, Val4);
}
};
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) {
}
int snprint(char *Buffer, unsigned BufferSize) const override {
return snprintf(Buffer, BufferSize, Fmt, Val1, Val2, Val3, Val4, Val5);
}
};
template <typename T1, typename T2, typename T3, typename T4, typename T5,
typename T6>
class format_object6 : public format_object_base {
T1 Val1;
T2 Val2;
T3 Val3;
T4 Val4;
T5 Val5;
T6 Val6;
public:
format_object6(const char *Fmt, const T1 &Val1, const T2 &Val2,
const T3 &Val3, const T4 &Val4, const T5 &Val5, const T6 &Val6)
: format_object_base(Fmt), Val1(Val1), Val2(Val2), Val3(Val3), Val4(Val4),
Val5(Val5), Val6(Val6) { }
int snprint(char *Buffer, unsigned BufferSize) const override {
return snprintf(Buffer, BufferSize, Fmt, Val1, Val2, Val3, Val4, Val5, Val6);
}
};
template <typename T>
inline format_object1<T> format(const char *Fmt, const T &Val) {
return format_object1<T>(Fmt, Val);
}
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);
}
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);
}
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);
}
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);
}
template <typename T1, typename T2, typename T3, typename T4, typename T5,
typename T6>
inline format_object6<T1, T2, T3, T4, T5, T6>
format(const char *Fmt, const T1 &Val1, const T2 &Val2, const T3 &Val3,
const T4 &Val4, const T5 &Val5, const T6 &Val6) {
return format_object6<T1, T2, T3, T4, T5, T6>(Fmt, Val1, Val2, Val3, Val4,
Val5, Val6);
}
}
#endif