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implements Class.isPrimitive()

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This commit is contained in:
Volker Berlin 2021-05-30 15:35:37 +02:00
parent 8fccc94615
commit 3003daf65f
2 changed files with 44 additions and 15 deletions
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47
src/de/inetsoftware/jwebassembly/module/nativecode/ReplacementForClass.java
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@ -50,14 +50,19 @@ class ReplacementForClass<T> {
*/
final int vtable;
final int classIdx;
/**
* Create a instance
*
* @param vtable
* the pointer in the memory for the class/type description.
* @param classIdx
* the class index, the ID of the class
*/
private ReplacementForClass( int vtable ) {
private ReplacementForClass( int vtable, int classIdx ) {
this.vtable = vtable;
this.classIdx = classIdx;
}
/**
@ -112,7 +117,7 @@ class ReplacementForClass<T> {
└──────────────────────────────────┘
*/
int vtable = getIntFromMemory( classIdx * 4 + typeTableMemoryOffset() );
clazz = new ReplacementForClass( vtable );
clazz = new ReplacementForClass( vtable, classIdx );
// save the string for future use
setClassIntoTable( classIdx, clazz );
return clazz;
@ -172,7 +177,7 @@ class ReplacementForClass<T> {
private static native int getIntFromMemory( int pos );
/**
* Replacement of the Java methods forName(String)
* Replacement of the Java method forName(String)
*
* @param className
* the fully qualified name of the desired class.
@ -183,7 +188,7 @@ class ReplacementForClass<T> {
}
/**
* Replacement of the Java methods newInstance()
* Replacement of the Java method newInstance()
*
* @return a newly allocated instance of the class represented by this object.
*/
@ -192,7 +197,7 @@ class ReplacementForClass<T> {
}
/**
* Replacement of the Java methods isInstance()
* Replacement of the Java method isInstance()
*
* @param obj
* the object to check
@ -202,7 +207,7 @@ class ReplacementForClass<T> {
public native boolean isInstance( Object obj );
/**
* Replacement of the Java methods isArray()
* Replacement of the Java method isArray()
* @return {@code true} if this object represents an array class;
*/
public boolean isArray() {
@ -210,6 +215,16 @@ class ReplacementForClass<T> {
return classIdx >= 0;
}
/**
* Replacement of the Java method {@link Class#isPrimitive()}
*
* @return true if and only if this class represents a primitive type
*/
public boolean isPrimitive() {
// the first 9 classes are primitive classes
return classIdx <= VOID;
}
/**
* Replacement for {@link Class#getName()}
*
@ -220,14 +235,14 @@ class ReplacementForClass<T> {
}
/**
* Replacement of the Java methods
* Replacement of the Java method getClassLoader()
*/
public ClassLoader getClassLoader() {
return null;
}
/**
* Replacement of the Java methods getClassLoader0()
* Replacement of the Java method getClassLoader0()
*/
ClassLoader getClassLoader0() {
return null;
@ -240,7 +255,7 @@ class ReplacementForClass<T> {
public native Class<? super T> getSuperclass();
/**
* Replacement of the Java methods getInterfaces()
* Replacement of the Java method getInterfaces()
* @return an array of interfaces implemented by this class.
*/
public Class<?>[] getInterfaces() { //TODO
@ -248,7 +263,7 @@ class ReplacementForClass<T> {
}
/**
* Replacement of the Java methods getGenericInterfaces()
* Replacement of the Java method getGenericInterfaces()
* @return an array of interfaces implemented by this class
*/
public Type[] getGenericInterfaces() { // TODO
@ -256,7 +271,7 @@ class ReplacementForClass<T> {
}
/**
* Replacement of the native Java methods getComponentType()
* Replacement of the native Java method getComponentType()
*/
public ReplacementForClass<?> getComponentType() {
int classIdx = getIntFromMemory( vtable + TYPE_DESCRIPTION_ARRAY_TYPE );
@ -264,7 +279,7 @@ class ReplacementForClass<T> {
}
/**
* Replacement of the Java methods getSimpleName()
* Replacement of the Java method getSimpleName()
*
* @return the simple name of the underlying class
*/
@ -293,13 +308,13 @@ class ReplacementForClass<T> {
}
/**
* Replacement of the Java methods getDeclaredMethod()
* Replacement of the Java method getDeclaredMethod()
*/
@WasmTextCode( "unreachable" ) // TODO
public native Method getDeclaredMethod(String name, Class<?>... parameterTypes);
/**
* Replacement of the native Java methods
* Replacement of the native Java method {@link Class#getPrimitiveClass}
*
* @param name
* the class name
@ -331,7 +346,9 @@ class ReplacementForClass<T> {
}
/**
* Replacement of the native Java methods.
* Replacement of the native Java method {@link Class#desiredAssertionStatus()}
*
* @return the desired assertion status of the specified class.
*/
public boolean desiredAssertionStatus() {
return false;

12
test/de/inetsoftware/jwebassembly/runtime/StructsNonGC.java
View File

@ -78,6 +78,8 @@ public class StructsNonGC extends AbstractBaseTest {
addParam( list, script, "simpleName_Array" );
addParam( list, script, "simpleName_InnerClass" );
addParam( list, script, "simpleName_LocalClass" );
addParam( list, script, "isPrimitive_int" );
addParam( list, script, "isPrimitive_Object" );
}
rule.setTestParameters( list );
return list;
@ -317,6 +319,16 @@ public class StructsNonGC extends AbstractBaseTest {
IntUnaryOperator val = (x) -> x + v2 + v1;
return val.applyAsInt( 13 );
}
@Export
static boolean isPrimitive_int() {
return int.class.isPrimitive();
}
@Export
static boolean isPrimitive_Object() {
return Object.class.isPrimitive();
}
}
interface TestDefault {