public static void createJavaReflectionFieldInitializerUtilMethod(final ClassStructureBuilder<?> classBuilder) { if (classBuilder.getClassDefinition().getMethod(JAVA_REFL_FLD_UTIL_METH, Class.class, Field.class) != null) { return; } classBuilder.privateMethod(Field.class, JAVA_REFL_FLD_UTIL_METH).modifiers(Modifier.Static) .parameters(DefParameters.of(Parameter.of(Class.class, "cls"), Parameter.of(String.class, "name"))) .body() ._(Stmt.try_() ._(Stmt.declareVariable("fld", Stmt.loadVariable("cls").invoke("getDeclaredField", Stmt.loadVariable("name")))) ._(Stmt.loadVariable("fld").invoke("setAccessible", true)) ._(Stmt.loadVariable("fld").returnValue()) .finish() .catch_(Throwable.class, "e") ._(Stmt.loadVariable("e").invoke("printStackTrace")) ._(Stmt.throw_(RuntimeException.class, Refs.get("e"))) .finish()) .finish(); }
public static void createJavaReflectionFieldInitializerUtilMethod(final ClassStructureBuilder<?> classBuilder) { if (classBuilder.getClassDefinition().getMethod(JAVA_REFL_FLD_UTIL_METH, Class.class, Field.class) != null) { return; } classBuilder.privateMethod(Field.class, JAVA_REFL_FLD_UTIL_METH).modifiers(Modifier.Static) .parameters(DefParameters.of(Parameter.of(Class.class, "cls"), Parameter.of(String.class, "name"))) .body() ._(Stmt.try_() ._(Stmt.declareVariable("fld", Stmt.loadVariable("cls").invoke("getDeclaredField", Stmt.loadVariable("name")))) ._(Stmt.loadVariable("fld").invoke("setAccessible", true)) ._(Stmt.loadVariable("fld").returnValue()) .finish() .catch_(Throwable.class, "e") ._(Stmt.loadVariable("e").invoke("printStackTrace")) ._(Stmt.throw_(RuntimeException.class, Refs.get("e"))) .finish()) .finish(); }
public static void createJavaReflectionConstructorInitializerUtilMethod( final ClassStructureBuilder<?> classBuilder) { if (classBuilder.getClassDefinition().getMethod(JAVA_REFL_CONSTRUCTOR_UTIL_METH, Class.class, Class[].class) != null) { return; } classBuilder.privateMethod(Constructor.class, JAVA_REFL_CONSTRUCTOR_UTIL_METH).modifiers(Modifier.Static) .parameters(DefParameters.of(Parameter.of(Class.class, "cls"), Parameter.of(Class[].class, "parms"))) .body() ._(Stmt.try_() ._(Stmt.declareVariable("cons", Stmt.loadVariable("cls").invoke("getDeclaredConstructor", Stmt.loadVariable("parms")))) ._(Stmt.loadVariable("cons").invoke("setAccessible", true)) ._(Stmt.loadVariable("cons").returnValue()) .finish() .catch_(Throwable.class, "e") ._(Stmt.loadVariable("e").invoke("printStackTrace")) ._(Stmt.throw_(RuntimeException.class, Refs.get("e"))) .finish()) .finish(); }
public static void createJavaReflectionConstructorInitializerUtilMethod( final ClassStructureBuilder<?> classBuilder) { if (classBuilder.getClassDefinition().getMethod(JAVA_REFL_CONSTRUCTOR_UTIL_METH, Class.class, Class[].class) != null) { return; } classBuilder.privateMethod(Constructor.class, JAVA_REFL_CONSTRUCTOR_UTIL_METH).modifiers(Modifier.Static) .parameters(DefParameters.of(Parameter.of(Class.class, "cls"), Parameter.of(Class[].class, "parms"))) .body() ._(Stmt.try_() ._(Stmt.declareVariable("cons", Stmt.loadVariable("cls").invoke("getDeclaredConstructor", Stmt.loadVariable("parms")))) ._(Stmt.loadVariable("cons").invoke("setAccessible", true)) ._(Stmt.loadVariable("cons").returnValue()) .finish() .catch_(Throwable.class, "e") ._(Stmt.loadVariable("e").invoke("printStackTrace")) ._(Stmt.throw_(RuntimeException.class, Refs.get("e"))) .finish()) .finish(); }
public static void createJavaReflectionMethodInitializerUtilMethod( final ClassStructureBuilder<?> classBuilder) { if (classBuilder.getClassDefinition().getMethod(JAVA_REFL_METH_UTIL_METH, Class.class, String.class, Class[].class) != null) { return; } classBuilder.privateMethod(Method.class, JAVA_REFL_METH_UTIL_METH).modifiers(Modifier.Static) .parameters(DefParameters.of(Parameter.of(Class.class, "cls"), Parameter.of(String.class, "name"), Parameter.of(Class[].class, "parms"))) .body() ._(Stmt.try_() ._(Stmt.declareVariable("meth", Stmt.loadVariable("cls").invoke("getDeclaredMethod", Stmt.loadVariable("name"), Stmt.loadVariable("parms")))) ._(Stmt.loadVariable("meth").invoke("setAccessible", true)) ._(Stmt.loadVariable("meth").returnValue()) .finish() .catch_(Throwable.class, "e") ._(Stmt.loadVariable("e").invoke("printStackTrace")) ._(Stmt.throw_(RuntimeException.class, Refs.get("e"))) .finish()) .finish(); }
public static void createJavaReflectionMethodInitializerUtilMethod( final ClassStructureBuilder<?> classBuilder) { if (classBuilder.getClassDefinition().getMethod(JAVA_REFL_METH_UTIL_METH, Class.class, String.class, Class[].class) != null) { return; } classBuilder.privateMethod(Method.class, JAVA_REFL_METH_UTIL_METH).modifiers(Modifier.Static) .parameters(DefParameters.of(Parameter.of(Class.class, "cls"), Parameter.of(String.class, "name"), Parameter.of(Class[].class, "parms"))) .body() ._(Stmt.try_() ._(Stmt.declareVariable("meth", Stmt.loadVariable("cls").invoke("getDeclaredMethod", Stmt.loadVariable("name"), Stmt.loadVariable("parms")))) ._(Stmt.loadVariable("meth").invoke("setAccessible", true)) ._(Stmt.loadVariable("meth").returnValue()) .finish() .catch_(Throwable.class, "e") ._(Stmt.loadVariable("e").invoke("printStackTrace")) ._(Stmt.throw_(RuntimeException.class, Refs.get("e"))) .finish()) .finish(); }
@Override public void createReadableField(final MetaClass type, final ClassStructureBuilder<?> classBuilder, final MetaField field, final Modifier[] modifiers) { final String cachedField = initCachedField(classBuilder, field); final String getterName = getReflectionFieldGetterName(field); final MethodCommentBuilder<? extends ClassStructureBuilder<?>> methodBuilder = classBuilder.privateMethod(field.getType().getErased(), PrivateAccessUtil.getPrivateFieldAccessorName(field)); if (!field.isStatic()) { methodBuilder.parameters( DefParameters.fromParameters( Parameter.of(field.getDeclaringClass().getErased(), "instance") ) ); } methodBuilder.modifiers(modifiers) .body() ._(Stmt.try_() ._(Stmt.nestedCall(Cast.to(field.getType().getErased(), Stmt.loadVariable(cachedField) .invoke(getterName, field.isStatic() ? null : Refs.get("instance")))).returnValue()) .finish() .catch_(Throwable.class, "e") ._(Stmt.loadVariable("e").invoke("printStackTrace")) ._(Stmt.throw_(RuntimeException.class, Refs.get("e"))) .finish()) .finish(); }
@Override public void makeConstructorAccessible(final ClassStructureBuilder<?> classBuilder, final MetaConstructor constructor) { final DefParameters methodDefParms = DefParameters.from(constructor); Annotation[] annotations = NO_ANNOTATIONS; for (MetaParameter p : constructor.getParameters()) { if (p.getType().getCanonicalName().equals("long")) { annotations = new Annotation[] { UNSAFE_NATIVE_LONG_ANNOTATION }; } } classBuilder.publicMethod(constructor.getReturnType(), PrivateAccessUtil.getPrivateMethodName(constructor)) .annotatedWith(annotations) .parameters(methodDefParms) .modifiers(Modifier.Static, Modifier.JSNI) .body() ._(StringStatement.of(JSNIUtil.methodAccess(constructor))) .finish(); }
@Override public void createReadableField(final MetaClass type, final ClassStructureBuilder<?> classBuilder, final MetaField field, final Modifier[] modifiers) { final String cachedField = initCachedField(classBuilder, field); final String getterName = getReflectionFieldGetterName(field); final MethodCommentBuilder<? extends ClassStructureBuilder<?>> methodBuilder = classBuilder.privateMethod(field.getType().getErased(), PrivateAccessUtil.getPrivateFieldAccessorName(field)); if (!field.isStatic()) { methodBuilder.parameters( DefParameters.fromParameters( Parameter.of(field.getDeclaringClass().getErased(), "instance") ) ); } methodBuilder.modifiers(modifiers) .body() ._(Stmt.try_() ._(Stmt.nestedCall(Cast.to(field.getType().getErased(), Stmt.loadVariable(cachedField) .invoke(getterName, field.isStatic() ? null : Refs.get("instance")))).returnValue()) .finish() .catch_(Throwable.class, "e") ._(Stmt.loadVariable("e").invoke("printStackTrace")) ._(Stmt.throw_(RuntimeException.class, Refs.get("e"))) .finish()) .finish(); }
@Override public void makeConstructorAccessible(final ClassStructureBuilder<?> classBuilder, final MetaConstructor constructor) { final DefParameters methodDefParms = DefParameters.from(constructor); Annotation[] annotations = NO_ANNOTATIONS; for (MetaParameter p : constructor.getParameters()) { if (p.getType().getCanonicalName().equals("long")) { annotations = new Annotation[] { UNSAFE_NATIVE_LONG_ANNOTATION }; } } classBuilder.publicMethod(constructor.getReturnType(), PrivateAccessUtil.getPrivateMethodName(constructor)) .annotatedWith(annotations) .parameters(methodDefParms) .modifiers(Modifier.Static, Modifier.JSNI) .body() ._(StringStatement.of(JSNIUtil.methodAccess(constructor))) .finish(); }
@Override public void makeMethodAccessible(final ClassStructureBuilder<?> classBuilder, final MetaMethod method, final Modifier[] modifiers) { final MetaMethod erasedMethod = method.getDeclaringClass().getErased().getDeclaredMethod(method.getName(), getErasedParamterTypes(method)); final List<Parameter> wrapperDefParms = new ArrayList<Parameter>(); if (!erasedMethod.isStatic()) { wrapperDefParms.add(Parameter.of(erasedMethod.getDeclaringClass().getErased(), "instance")); } final List<Parameter> methodDefParms = DefParameters.from(erasedMethod).getParameters(); wrapperDefParms.addAll(methodDefParms); Annotation[] annotations = NO_ANNOTATIONS; for (MetaParameter p : erasedMethod.getParameters()) { if (p.getType().getCanonicalName().equals("long")) { annotations = new Annotation[] { UNSAFE_NATIVE_LONG_ANNOTATION }; } } if (erasedMethod.getReturnType().getCanonicalName().equals("long")) { annotations = new Annotation[] { UNSAFE_NATIVE_LONG_ANNOTATION }; } classBuilder.publicMethod(erasedMethod.getReturnType(), PrivateAccessUtil.getPrivateMethodName(method)) .annotatedWith(annotations) .parameters(DefParameters.fromParameters(wrapperDefParms)) .modifiers(appendJsni(modifiers)) .body() ._(StringStatement.of(JSNIUtil.methodAccess(erasedMethod))) .finish(); }
@Override public void makeMethodAccessible(final ClassStructureBuilder<?> classBuilder, final MetaMethod method, final Modifier[] modifiers) { final MetaMethod erasedMethod = method.getDeclaringClass().getErased().getDeclaredMethod(method.getName(), getErasedParamterTypes(method)); final List<Parameter> wrapperDefParms = new ArrayList<Parameter>(); if (!erasedMethod.isStatic()) { wrapperDefParms.add(Parameter.of(erasedMethod.getDeclaringClass().getErased(), "instance")); } final List<Parameter> methodDefParms = DefParameters.from(erasedMethod).getParameters(); wrapperDefParms.addAll(methodDefParms); Annotation[] annotations = NO_ANNOTATIONS; for (MetaParameter p : erasedMethod.getParameters()) { if (p.getType().getCanonicalName().equals("long")) { annotations = new Annotation[] { UNSAFE_NATIVE_LONG_ANNOTATION }; } } if (erasedMethod.getReturnType().getCanonicalName().equals("long")) { annotations = new Annotation[] { UNSAFE_NATIVE_LONG_ANNOTATION }; } classBuilder.publicMethod(erasedMethod.getReturnType(), PrivateAccessUtil.getPrivateMethodName(method)) .annotatedWith(annotations) .parameters(DefParameters.fromParameters(wrapperDefParms)) .modifiers(appendJsni(modifiers)) .body() ._(StringStatement.of(JSNIUtil.methodAccess(erasedMethod))) .finish(); }
private BlockBuilder<AnonymousClassStructureBuilder> getJsTypeSubscriptionCallback(final Decorable decorable, final FactoryController controller) { final MetaParameter parm = decorable.getAsParameter(); final MetaClass eventType = parm.getType().asBoxed(); final String parmClassName = eventType.getFullyQualifiedName(); final MetaClass callBackType = parameterizedAs(JsTypeEventObserver.class, typeParametersOf(eventType)); final AnonymousClassStructureBuilder callBack = Stmt.newObject(callBackType).extend(); BlockBuilder<AnonymousClassStructureBuilder> callBackBlock; final List<Statement> fireEventStmts = new ArrayList<>(); if (!decorable.isEnclosingTypeDependent()) { fireEventStmts.add(Stmt.declareFinalVariable("instance", decorable.getEnclosingInjectable().getInjectedType(), Stmt.invokeStatic(Factory.class, "maybeUnwrapProxy", controller.contextGetInstanceStmt()))); } fireEventStmts.add(decorable.call(Refs.get("event"))); callBackBlock = callBack.publicOverridesMethod("onEvent", Parameter.finalOf(eventType, "event")) .appendAll(fireEventStmts) .finish() .publicOverridesMethod("toString") ._(Stmt.load("JsTypeObserver: " + parmClassName).returnValue()); return callBackBlock; } }
@Override public void createReadableField(final MetaClass type, final ClassStructureBuilder<?> classBuilder, final MetaField field, final Modifier[] modifiers) { final MethodBlockBuilder<? extends ClassStructureBuilder<?>> instance = classBuilder.packageMethod(type, PrivateAccessUtil.getPrivateFieldAccessorName(field)); if (!field.isStatic()) { instance.parameters(DefParameters.fromParameters(Parameter.of(field.getDeclaringClass().getErased(), "instance"))); } if (type.getCanonicalName().equals("long")) { instance.annotatedWith(UNSAFE_NATIVE_LONG_ANNOTATION); } instance.modifiers(appendJsni(modifiers)) .body() ._(StringStatement.of("return " + JSNIUtil.fieldAccess(field))) .finish(); }
@Override public void createReadableField(final MetaClass type, final ClassStructureBuilder<?> classBuilder, final MetaField field, final Modifier[] modifiers) { final MethodBlockBuilder<? extends ClassStructureBuilder<?>> instance = classBuilder.packageMethod(type, PrivateAccessUtil.getPrivateFieldAccessorName(field)); if (!field.isStatic()) { instance.parameters(DefParameters.fromParameters(Parameter.of(field.getDeclaringClass().getErased(), "instance"))); } if (type.getCanonicalName().equals("long")) { instance.annotatedWith(UNSAFE_NATIVE_LONG_ANNOTATION); } instance.modifiers(appendJsni(modifiers)) .body() ._(StringStatement.of("return " + JSNIUtil.fieldAccess(field))) .finish(); }
@Override public void createWritableField(final MetaClass type, final ClassStructureBuilder<?> classBuilder, final MetaField field, final Modifier[] modifiers) { final MethodCommentBuilder<? extends ClassStructureBuilder<?>> methodBuilder = classBuilder.packageMethod(void.class, PrivateAccessUtil.getPrivateFieldAccessorName(field)); if (type.getCanonicalName().equals("long")) { methodBuilder.annotatedWith(UNSAFE_NATIVE_LONG_ANNOTATION); } if (!field.isStatic()) { methodBuilder .parameters(DefParameters.fromParameters(Parameter.of(field.getDeclaringClass().getErased(), "instance"), Parameter.of(type, "value"))); } else { methodBuilder .parameters(DefParameters.fromParameters(Parameter.of(type, "value"))); } methodBuilder.modifiers(appendJsni(modifiers)) .body() ._(StringStatement.of(JSNIUtil.fieldAccess(field) + " = value")) .finish(); }
@Override public void createWritableField(final MetaClass type, final ClassStructureBuilder<?> classBuilder, final MetaField field, final Modifier[] modifiers) { final MethodCommentBuilder<? extends ClassStructureBuilder<?>> methodBuilder = classBuilder.packageMethod(void.class, PrivateAccessUtil.getPrivateFieldAccessorName(field)); if (type.getCanonicalName().equals("long")) { methodBuilder.annotatedWith(UNSAFE_NATIVE_LONG_ANNOTATION); } if (!field.isStatic()) { methodBuilder .parameters(DefParameters.fromParameters(Parameter.of(field.getDeclaringClass().getErased(), "instance"), Parameter.of(type, "value"))); } else { methodBuilder .parameters(DefParameters.fromParameters(Parameter.of(type, "value"))); } methodBuilder.modifiers(appendJsni(modifiers)) .body() ._(StringStatement.of(JSNIUtil.fieldAccess(field) + " = value")) .finish(); }
@Test public void testIfElseBlockUsingNoRhs() { String s = StatementBuilder.create() .declareVariable("str", String.class) .loadVariable("str") .invoke("endsWith", "abc") .if_() ._(Stmt.declareVariable(Integer.class).named("n").initializeWith(0)) .finish() .else_() ._(Stmt.declareVariable(Integer.class).named("n").initializeWith(1)) .finish().toJavaString(); assertEquals("Failed to generate empty if block using no rhs", IF_ELSE_BLOCK_NO_RHS, s); }
@Test public void testIfElseBlockUsingRhs() { String s = StatementBuilder.create() .declareVariable("n", Integer.class) .declareVariable("m", Integer.class) .loadVariable("n") .if_(BooleanOperator.GreaterThan, Variable.get("m")) ._(Stmt.declareVariable(Integer.class).named("n").initializeWith(0)) .finish() .else_() ._(Stmt.declareVariable(Integer.class).named("n").initializeWith(1)) .finish().toJavaString(); assertEquals("Failed to generate empty if block using a rhs", IF_ELSE_BLOCK_RHS, s); }
@Test public void testNestedIfElseIfBlockUsingNoRhs() { Context c = ContextBuilder.create().addVariable("s", String.class).addVariable("n", Integer.class).getContext(); String s = StatementBuilder.create(c) .loadVariable("s") .invoke("endsWith", "abc") .if_() ._(StatementBuilder.create(c).loadVariable("n").assignValue(0)) .finish() .else_() ._(StatementBuilder.create(c).loadVariable("s") .invoke("startsWith", "def") .if_() ._(StatementBuilder.create(c).loadVariable("n").assignValue(1)) .finish() ) .finish().toJavaString(); assertEquals("Failed to generate if-else-if-block using no rhs", IF_ELSEIF_BLOCK_NO_RHS_NESTED, s); }