summaryrefslogtreecommitdiff
path: root/libjava/gcj/javaprims.h
diff options
context:
space:
mode:
Diffstat (limited to 'libjava/gcj/javaprims.h')
-rw-r--r--libjava/gcj/javaprims.h34
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*);
};