public static void leadFlow(BytecodeContext bc, Statement stat, int flowType, String label)
throws BytecodeException {
List<FlowControlFinal> finallyLabels = new ArrayList<FlowControlFinal>();
FlowControl fc;
String name;
if (FlowControl.BREAK == flowType) {
fc = ASMUtil.getAncestorBreakFCStatement(stat, finallyLabels, label);
name = "break";
} else if (FlowControl.CONTINUE == flowType) {
fc = ASMUtil.getAncestorContinueFCStatement(stat, finallyLabels, label);
name = "continue";
} else {
fc = ASMUtil.getAncestorRetryFCStatement(stat, finallyLabels, label);
name = "retry";
}
if (fc == null)
throw new BytecodeException(
name + " must be inside a loop (for,while,do-while,<cfloop>,<cfwhile> ...)",
stat.getStart());
GeneratorAdapter adapter = bc.getAdapter();
Label end;
if (FlowControl.BREAK == flowType) end = ((FlowControlBreak) fc).getBreakLabel();
else if (FlowControl.CONTINUE == flowType) end = ((FlowControlContinue) fc).getContinueLabel();
else end = ((FlowControlRetry) fc).getRetryLabel();
// first jump to all final labels
FlowControlFinal[] arr = finallyLabels.toArray(new FlowControlFinal[finallyLabels.size()]);
if (arr.length > 0) {
FlowControlFinal fcf;
for (int i = 0; i < arr.length; i++) {
fcf = arr[i];
// first
if (i == 0) {
adapter.visitJumpInsn(Opcodes.GOTO, fcf.getFinalEntryLabel());
}
// last
if (arr.length == i + 1) fcf.setAfterFinalGOTOLabel(end);
else fcf.setAfterFinalGOTOLabel(arr[i + 1].getFinalEntryLabel());
}
} else bc.getAdapter().visitJumpInsn(Opcodes.GOTO, end);
}
@Override
public void evaluate(Tag tag, TagLibTag libTag) throws EvaluatorException {
// check parent
Body body = null;
String compName = Property.getComponentName(tag);
boolean isCompChild = false;
Tag p = ASMUtil.getParentTag(tag);
if (p != null && (p instanceof TagComponent || getFullname(p, "").equalsIgnoreCase(compName))) {
isCompChild = true;
body = p.getBody();
}
Tag pp = p != null ? ASMUtil.getParentTag(p) : null;
if (!isCompChild
&& pp != null
&& (p instanceof TagComponent || getFullname(pp, "").equalsIgnoreCase(compName))) {
isCompChild = true;
body = pp.getBody();
}
if (!isCompChild) {
throw new EvaluatorException(
"Wrong Context for the the static constructor, "
+ "a static constructor must inside a component body.");
}
// Body body=(Body) tag.getParent();
List<Statement> children = tag.getBody().getStatements();
// remove that tag from parent
ASMUtil.remove(tag);
StaticBody sb = getStaticBody(body);
ASMUtil.addStatements(sb, children);
}
public static byte[] createPojo(
String className, ASMProperty[] properties, Class parent, Class[] interfaces, String srcName)
throws PageException {
className = className.replace('.', '/');
className = className.replace('\\', '/');
className = ListUtil.trim(className, "/");
String[] inter = null;
if (interfaces != null) {
inter = new String[interfaces.length];
for (int i = 0; i < inter.length; i++) {
inter[i] = interfaces[i].getName().replace('.', '/');
}
}
// CREATE CLASS
ClassWriter cw = ASMUtil.getClassWriter();
cw.visit(
Opcodes.V1_6,
Opcodes.ACC_PUBLIC,
className,
null,
parent.getName().replace('.', '/'),
inter);
String md5;
try {
md5 = createMD5(properties);
} catch (Throwable t) {
md5 = "";
t.printStackTrace();
}
FieldVisitor fv =
cw.visitField(
Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL + Opcodes.ACC_STATIC,
"_md5_",
"Ljava/lang/String;",
null,
md5);
fv.visitEnd();
// Constructor
GeneratorAdapter adapter =
new GeneratorAdapter(Opcodes.ACC_PUBLIC, CONSTRUCTOR_OBJECT, null, null, cw);
adapter.loadThis();
adapter.invokeConstructor(toType(parent, true), CONSTRUCTOR_OBJECT);
adapter.returnValue();
adapter.endMethod();
// properties
for (int i = 0; i < properties.length; i++) {
createProperty(cw, className, properties[i]);
}
// complexType src
if (!StringUtil.isEmpty(srcName)) {
GeneratorAdapter _adapter =
new GeneratorAdapter(
Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL + Opcodes.ACC_STATIC,
_SRC_NAME,
null,
null,
cw);
_adapter.push(srcName);
_adapter.returnValue();
_adapter.endMethod();
}
cw.visitEnd();
return cw.toByteArray();
}
