#ifndef NumericStrings_h
#define NumericStrings_h
-#include "UString.h"
-#include <wtf/FixedArray.h>
+#include <array>
#include <wtf/HashFunctions.h>
+#include <wtf/text/WTFString.h>
namespace JSC {
- class NumericStrings {
- public:
- ALWAYS_INLINE UString add(double d)
- {
- CacheEntry<double>& entry = lookup(d);
- if (d == entry.key && !entry.value.isNull())
- return entry.value;
- entry.key = d;
- entry.value = UString::number(d);
+class NumericStrings {
+public:
+ ALWAYS_INLINE String add(double d)
+ {
+ CacheEntry<double>& entry = lookup(d);
+ if (d == entry.key && !entry.value.isNull())
return entry.value;
- }
+ entry.key = d;
+ entry.value = String::numberToStringECMAScript(d);
+ return entry.value;
+ }
- ALWAYS_INLINE UString add(int i)
- {
- if (static_cast<unsigned>(i) < cacheSize)
- return lookupSmallString(static_cast<unsigned>(i));
- CacheEntry<int>& entry = lookup(i);
- if (i == entry.key && !entry.value.isNull())
- return entry.value;
- entry.key = i;
- entry.value = UString::number(i);
+ ALWAYS_INLINE String add(int i)
+ {
+ if (static_cast<unsigned>(i) < cacheSize)
+ return lookupSmallString(static_cast<unsigned>(i));
+ CacheEntry<int>& entry = lookup(i);
+ if (i == entry.key && !entry.value.isNull())
return entry.value;
- }
+ entry.key = i;
+ entry.value = String::number(i);
+ return entry.value;
+ }
- ALWAYS_INLINE UString add(unsigned i)
- {
- if (i < cacheSize)
- return lookupSmallString(static_cast<unsigned>(i));
- CacheEntry<unsigned>& entry = lookup(i);
- if (i == entry.key && !entry.value.isNull())
- return entry.value;
- entry.key = i;
- entry.value = UString::number(i);
+ ALWAYS_INLINE String add(unsigned i)
+ {
+ if (i < cacheSize)
+ return lookupSmallString(static_cast<unsigned>(i));
+ CacheEntry<unsigned>& entry = lookup(i);
+ if (i == entry.key && !entry.value.isNull())
return entry.value;
- }
- private:
- static const size_t cacheSize = 64;
+ entry.key = i;
+ entry.value = String::number(i);
+ return entry.value;
+ }
+private:
+ static const size_t cacheSize = 64;
- template<typename T>
- struct CacheEntry {
- T key;
- UString value;
- };
+ template<typename T>
+ struct CacheEntry {
+ T key;
+ String value;
+ };
- CacheEntry<double>& lookup(double d) { return doubleCache[WTF::FloatHash<double>::hash(d) & (cacheSize - 1)]; }
- CacheEntry<int>& lookup(int i) { return intCache[WTF::IntHash<int>::hash(i) & (cacheSize - 1)]; }
- CacheEntry<unsigned>& lookup(unsigned i) { return unsignedCache[WTF::IntHash<unsigned>::hash(i) & (cacheSize - 1)]; }
- ALWAYS_INLINE const UString& lookupSmallString(unsigned i)
- {
- ASSERT(i < cacheSize);
- if (smallIntCache[i].isNull())
- smallIntCache[i] = UString::number(i);
- return smallIntCache[i];
- }
+ CacheEntry<double>& lookup(double d) { return doubleCache[WTF::FloatHash<double>::hash(d) & (cacheSize - 1)]; }
+ CacheEntry<int>& lookup(int i) { return intCache[WTF::IntHash<int>::hash(i) & (cacheSize - 1)]; }
+ CacheEntry<unsigned>& lookup(unsigned i) { return unsignedCache[WTF::IntHash<unsigned>::hash(i) & (cacheSize - 1)]; }
+ ALWAYS_INLINE const String& lookupSmallString(unsigned i)
+ {
+ ASSERT(i < cacheSize);
+ if (smallIntCache[i].isNull())
+ smallIntCache[i] = String::number(i);
+ return smallIntCache[i];
+ }
- FixedArray<CacheEntry<double>, cacheSize> doubleCache;
- FixedArray<CacheEntry<int>, cacheSize> intCache;
- FixedArray<CacheEntry<unsigned>, cacheSize> unsignedCache;
- FixedArray<UString, cacheSize> smallIntCache;
- };
+ std::array<CacheEntry<double>, cacheSize> doubleCache;
+ std::array<CacheEntry<int>, cacheSize> intCache;
+ std::array<CacheEntry<unsigned>, cacheSize> unsignedCache;
+ std::array<String, cacheSize> smallIntCache;
+};
} // namespace JSC