Create a new #include "Support/..." directory structure to move things
from "llvm/Support/..." that are not llvm dependant.
Move files and fix #includes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1400 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/Support/StringExtras.h b/include/Support/StringExtras.h
new file mode 100644
index 0000000..e67e25c
--- /dev/null
+++ b/include/Support/StringExtras.h
@@ -0,0 +1,69 @@
+//===-- Support/StringExtras.h - Useful string functions ---------*- C++ -*--=//
+//
+// This file contains some functions that are useful when dealing with strings.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef SUPPORT_STRING_EXTRAS_H
+#define SUPPORT_STRING_EXTRAS_H
+
+#include "Support/DataTypes.h"
+#include <string>
+#include <stdio.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, "%e", V);
+ return Buffer;
+}
+
+#endif