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| author | Chris Lattner <sabre@nondot.org> | 2001-07-23 17:46:59 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2001-07-23 17:46:59 +0000 |
| commit | 57dbb3ad63b6a0e77798edb156ef43daa3bfc67e (patch) | |
| tree | b10d00a2fd1de0f409b4f341f0a3b1ace177ec15 /include/llvm/Support/StringExtras.h | |
| parent | dbab15a2c9accc0242109881e1632137cb97dbc9 (diff) | |
| download | external_llvm-57dbb3ad63b6a0e77798edb156ef43daa3bfc67e.zip external_llvm-57dbb3ad63b6a0e77798edb156ef43daa3bfc67e.tar.gz external_llvm-57dbb3ad63b6a0e77798edb156ef43daa3bfc67e.tar.bz2 | |
Moved inline/llvm/Tools/* to include/llvm/Support/*
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@279 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/Support/StringExtras.h')
| -rw-r--r-- | include/llvm/Support/StringExtras.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/include/llvm/Support/StringExtras.h b/include/llvm/Support/StringExtras.h new file mode 100644 index 0000000..585a42c --- /dev/null +++ b/include/llvm/Support/StringExtras.h @@ -0,0 +1,70 @@ +//===-- StringExtras.h - Useful string functions -----------------*- C++ -*--=// +// +// This file contains some functions that are useful when dealing with strings. +// No library is required when using these functinons. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_TOOLS_STRING_EXTRAS_H +#define LLVM_TOOLS_STRING_EXTRAS_H + +#include <string> +#include <stdio.h> +#include "llvm/Support/DataTypes.h" + +static inline string utostr(uint64_t X, bool isNeg = false) { + char Buffer[40]; + char *BufPtr = Buffer+39; + + *BufPtr = 0; // Null terminate buffer... + if (X == 0) *--BufPtr = '0'; // Handle special case... + + while (X) { + *--BufPtr = '0' + (X % 10); + X /= 10; + } + + if (isNeg) *--BufPtr = '-'; // Add negative sign... + + return string(BufPtr); +} + +static inline string itostr(int64_t X) { + if (X < 0) + return utostr((uint64_t)-X, true); + else + return utostr((uint64_t)X); +} + + +static inline string utostr(unsigned X, bool isNeg = false) { + char Buffer[20]; + char *BufPtr = Buffer+19; + + *BufPtr = 0; // Null terminate buffer... + if (X == 0) *--BufPtr = '0'; // Handle special case... + + while (X) { + *--BufPtr = '0' + (X % 10); + X /= 10; + } + + if (isNeg) *--BufPtr = '-'; // Add negative sign... + + return string(BufPtr); +} + +static inline string itostr(int X) { + if (X < 0) + return utostr((unsigned)-X, true); + else + return utostr((unsigned)X); +} + +static inline string ftostr(double V) { + char Buffer[200]; + snprintf(Buffer, 200, "%f", V); + return Buffer; +} + +#endif |
