diff options
Diffstat (limited to 'libjava/gcj/javaprims.h')
-rw-r--r-- | libjava/gcj/javaprims.h | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/libjava/gcj/javaprims.h b/libjava/gcj/javaprims.h index 9cf2741cd18..09e0c5534c7 100644 --- a/libjava/gcj/javaprims.h +++ b/libjava/gcj/javaprims.h @@ -472,10 +472,13 @@ extern jint _Jv_FormatInt (jchar* bufend, jint num); extern "C" jchar* _Jv_GetStringChars (jstring str); extern "C" void _Jv_MonitorEnter (jobject); extern "C" void _Jv_MonitorExit (jobject); +extern "C" jstring _Jv_NewStringUTF (const char *bytes) + __attribute__((__malloc__)); extern "C" jstring _Jv_NewStringLatin1(const char*, jsize) __attribute__((__malloc__)); extern "C" jsize _Jv_GetStringUTFLength (jstring); extern "C" jsize _Jv_GetStringUTFRegion (jstring, jsize, jsize, char *); +extern "C" jint _Jv_hashUtf8String (char*, int); extern jint _Jv_CreateJavaVM (void* /*vm_args*/); @@ -500,11 +503,40 @@ typedef unsigned short _Jv_ushort __attribute__((__mode__(__HI__))); typedef unsigned int _Jv_uint __attribute__((__mode__(__SI__))); typedef unsigned int _Jv_ulong __attribute__((__mode__(__DI__))); -struct _Jv_Utf8Const +class _Jv_Utf8Const { _Jv_ushort hash; _Jv_ushort length; /* In bytes, of data portion, without final '\0'. */ char data[1]; /* In Utf8 format, with final '\0'. */ + public: + /** Return same value of java.lang.String's hashCode. */ + jint hash32() { return _Jv_hashUtf8String(data, length); } + /** Return a hash code that has at least 16 bits of information. */ + _Jv_ushort hash16 () { return hash; } + /** Return a hash code that has at least 8 bits of information. */ + _Jv_ushort hash8 () { return hash; } + /** Length in bytes of the UTF8-encoding. */ + _Jv_ushort len () const { return length; } + /** Pointer to the first byte in the NUL-terminated UTF8-encoding. */ + char* chars() { return data; } + /** Pointer to the NUL byte that terminated the UTF8-encoding. */ + char* limit() { return data+length; } + /** Return the first byte in the UTF8-encoding. */ + char first() const { return data[0]; } + /** Create a (non-interned) java.lang.String from this UTF8Const. */ + jstring toString() { return _Jv_NewStringUTF(data); } + /** Given an UTF8 string, how many bytes needed for a UTF8Const, + including struct header, and final NUL. I.e. what to pas to malloc. */ + static int space_needed (char *, int len) + { return sizeof (_Jv_Utf8Const) + len + 1; } + /** Given an allocated _Jv_Utf8Const, copy / fill it in. */ + void init (char *s, int len); + friend jboolean _Jv_equalUtf8Consts (const _Jv_Utf8Const*, const _Jv_Utf8Const *); + friend jboolean _Jv_equal (_Jv_Utf8Const*, jstring, jint); + friend jboolean _Jv_equaln (_Jv_Utf8Const*, jstring, jint); + friend _Jv_Utf8Const *_Jv_makeUtf8Const (char*, int); + friend _Jv_Utf8Const *_Jv_makeUtf8Const (jstring); + friend jstring _Jv_NewStringUtf8Const (_Jv_Utf8Const*); }; |