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Merge branch 'master' of oss:/var/local/git/avian into dynamic

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This commit is contained in:
Joel Dice 2008-04-01 17:25:18 -06:00
commit 0aebe334b3
3 changed files with 55 additions and 0 deletions
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34
src/jnienv.cpp
View File

@ -87,6 +87,35 @@ GetEnv(Machine* m, Thread** t, jint version)
}
}
jsize JNICALL
GetStringLength(Thread* t, jstring s)
{
ENTER(t, Thread::ActiveState);
return stringLength(t, *s);
}
const jchar* JNICALL
GetStringChars(Thread* t, jstring s, jboolean* isCopy)
{
ENTER(t, Thread::ActiveState);
jchar* chars = static_cast<jchar*>
(t->m->heap->allocate((stringLength(t, *s) + 1) * sizeof(jchar), false));
stringChars(t, *s, reinterpret_cast<wchar_t*>(chars));
if (isCopy) *isCopy = true;
return chars;
}
void JNICALL
ReleaseStringChars(Thread* t, jstring s, const jchar* chars)
{
ENTER(t, Thread::ActiveState);
t->m->heap->free(chars, (stringLength(t, *s) + 1) * sizeof(jchar), false);
}
jsize JNICALL
GetStringUTFLength(Thread* t, jstring s)
{
@ -111,6 +140,8 @@ GetStringUTFChars(Thread* t, jstring s, jboolean* isCopy)
void JNICALL
ReleaseStringUTFChars(Thread* t, jstring s, const char* chars)
{
ENTER(t, Thread::ActiveState);
t->m->heap->free(chars, stringLength(t, *s) + 1, false);
}
@ -1854,6 +1885,9 @@ populateJNITables(JavaVMVTable* vmTable, JNIEnvVTable* envTable)
memset(envTable, 0, sizeof(JNIEnvVTable));
envTable->GetStringLength = ::GetStringLength;
envTable->GetStringChars = ::GetStringChars;
envTable->ReleaseStringChars = ::ReleaseStringChars;
envTable->GetStringUTFLength = ::GetStringUTFLength;
envTable->GetStringUTFChars = ::GetStringUTFChars;
envTable->ReleaseStringUTFChars = ::ReleaseStringUTFChars;

18
src/machine.cpp
View File

@ -2153,6 +2153,24 @@ stringChars(Thread* t, object string, char* chars)
chars[stringLength(t, string)] = 0;
}
void
stringChars(Thread* t, object string, wchar_t* chars)
{
object data = stringData(t, string);
if (objectClass(t, data)
== arrayBody(t, t->m->types, Machine::ByteArrayType))
{
for (unsigned i = 0; i < stringLength(t, string); ++i) {
chars[i] = byteArrayBody(t, data, stringOffset(t, string) + i);
}
} else {
memcpy(chars,
&charArrayBody(t, data, stringOffset(t, string)),
stringLength(t, string) * sizeof(wchar_t));
}
chars[stringLength(t, string)] = 0;
}
bool
isAssignableFrom(Thread* t, object a, object b)
{

3
src/machine.h
View File

@ -1703,6 +1703,9 @@ makeString(Thread* t, const char* format, ...);
void
stringChars(Thread* t, object string, char* chars);
void
stringChars(Thread* t, object string, wchar_t* chars);
bool
isAssignableFrom(Thread* t, object a, object b);