Add first round JNI bindings.

Not compiling yet, and not enabled in the build script. Get it checked it, and
will merge the branch back to master and work there.

1 files changed, 169 insertions, 0 deletions

diff --git a/V8Binding/jni/jni_runtime.cpp b/V8Binding/jni/jni_runtime.cpp
new file mode 100644
index 0000000..1ff640a
--- /dev/null
+++ b/V8Binding/jni/jni_runtime.cpp
@@ -0,0 +1,169 @@
+/*
+ * Copyright (C) 2003 Apple Computer, Inc.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#include "config.h"
+
+#include "jni_runtime.h"
+#include "jni_utility.h"
+
+#ifdef NDEBUG
+#define JS_LOG(formatAndArgs...) ((void)0)
+#else
+#define JS_LOG(formatAndArgs...) { \
+    fprintf (stderr, "%s:%d -- %s:  ", __FILE__, __LINE__, __FUNCTION__); \
+    fprintf(stderr, formatAndArgs); \
+}
+#endif
+
+using namespace JSC::Bindings;
+
+JavaParameter::JavaParameter (JNIEnv *env, jstring type)
+{
+    _type = JavaString (env, type);
+    _JNIType = JNITypeFromClassName (_type.UTF8String());
+}
+
+
+JavaMethod::JavaMethod (JNIEnv *env, jobject aMethod)
+{
+    // Get return type
+    jobject returnType = callJNIMethod<jobject>(aMethod, "getReturnType", "()Ljava/lang/Class;");
+    jstring returnTypeName = (jstring)callJNIMethod<jobject>(returnType, "getName", "()Ljava/lang/String;");
+    _returnType =JavaString (env, returnTypeName);
+    _JNIReturnType = JNITypeFromClassName (_returnType.UTF8String());
+    env->DeleteLocalRef (returnType);
+    env->DeleteLocalRef (returnTypeName);
+
+    // Get method name
+    jstring methodName = (jstring)callJNIMethod<jobject>(aMethod, "getName", "()Ljava/lang/String;");
+    _name = JavaString (env, methodName);
+    env->DeleteLocalRef (methodName);
+
+    // Get parameters
+    jarray jparameters = (jarray)callJNIMethod<jobject>(aMethod, "getParameterTypes", "()[Ljava/lang/Class;");
+    _numParameters = env->GetArrayLength (jparameters);
+    _parameters = new JavaParameter[_numParameters];
+    
+    int i;
+    for (i = 0; i < _numParameters; i++) {
+        jobject aParameter = env->GetObjectArrayElement ((jobjectArray)jparameters, i);
+        jstring parameterName = (jstring)callJNIMethod<jobject>(aParameter, "getName", "()Ljava/lang/String;");
+        _parameters[i] = JavaParameter(env, parameterName);
+        env->DeleteLocalRef (aParameter);
+        env->DeleteLocalRef (parameterName);
+    }
+    env->DeleteLocalRef (jparameters);
+
+    // Created lazily.
+    _signature = 0;
+    _methodID = 0;
+    
+    jclass modifierClass = env->FindClass("java/lang/reflect/Modifier");
+    int modifiers = callJNIMethod<jint>(aMethod, "getModifiers", "()I");
+    _isStatic = (bool)callJNIStaticMethod<jboolean>(modifierClass, "isStatic", "(I)Z", modifiers);
+#ifdef ANDROID_FIX
+    env->DeleteLocalRef(modifierClass);
+#endif
+}
+
+JavaMethod::~JavaMethod() 
+{
+    if (_signature)
+        free(_signature);
+    delete [] _parameters;
+};
+
+// JNI method signatures use '/' between components of a class name, but
+// we get '.' between components from the reflection API.
+static void appendClassName(UString& aString, const char* className)
+{
+    ASSERT(JSLock::lockCount() > 0);
+    
+    char *result, *cp = strdup(className);
+    
+    result = cp;
+    while (*cp) {
+        if (*cp == '.')
+            *cp = '/';
+        cp++;
+    }
+        
+    aString.append(result);
+
+    free (result);
+}
+
+const char *JavaMethod::signature() const 
+{
+    if (!_signature) {
+        JSLock lock(false);
+
+        UString signatureBuilder("(");
+        for (int i = 0; i < _numParameters; i++) {
+            JavaParameter* aParameter = parameterAt(i);
+            JNIType _JNIType = aParameter->getJNIType();
+            if (_JNIType == array_type)
+                appendClassName(signatureBuilder, aParameter->type());
+            else {
+                signatureBuilder.append(signatureFromPrimitiveType(_JNIType));
+                if (_JNIType == object_type) {
+                    appendClassName(signatureBuilder, aParameter->type());
+                    signatureBuilder.append(";");
+                }
+            }
+        }
+        signatureBuilder.append(")");
+        
+        const char *returnType = _returnType.UTF8String();
+        if (_JNIReturnType == array_type) {
+            appendClassName(signatureBuilder, returnType);
+        } else {
+            signatureBuilder.append(signatureFromPrimitiveType(_JNIReturnType));
+            if (_JNIReturnType == object_type) {
+                appendClassName(signatureBuilder, returnType);
+                signatureBuilder.append(";");
+            }
+        }
+        
+        _signature = strdup(signatureBuilder.ascii());
+    }
+    
+    return _signature;
+}
+
+JNIType JavaMethod::JNIReturnType() const
+{
+    return _JNIReturnType;
+}
+
+jmethodID JavaMethod::methodID (jobject obj) const
+{
+    if (_methodID == 0) {
+        _methodID = getMethodID (obj, _name.UTF8String(), signature());
+    }
+    return _methodID;
+}
+
+