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Unified Diff: src/unicode-inl.h

Issue 12783002: Some Utf8Length microoptimizations (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 9 months ago
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Index: src/unicode-inl.h
diff --git a/src/unicode-inl.h b/src/unicode-inl.h
index c80c67e1af68d9803bf87a918d3b572c00b27fd1..02be45768883804d8136f66bf6c5a67023b73bc8 100644
--- a/src/unicode-inl.h
+++ b/src/unicode-inl.h
@@ -95,6 +95,18 @@ uint16_t Latin1::ConvertNonLatin1ToLatin1(uint16_t c) {
}
+unsigned Utf8::EncodeOneByte(char* str, uint8_t c) {
+ static const int kMask = ~(1 << 6);
+ if (c <= kMaxOneByteChar) {
+ str[0] = c;
+ return 1;
+ }
+ str[0] = 0xC0 | (c >> 6);
+ str[1] = 0x80 | (c & kMask);
+ return 2;
+}
+
+
unsigned Utf8::Encode(char* str, uchar c, int previous) {
static const int kMask = ~(1 << 6);
if (c <= kMaxOneByteChar) {
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