use of lucee.transformer.bytecode.expression.type.LiteralStringArray in project Lucee by lucee.
the class TagHelper method writeOut.
/**
* writes out the tag
* @param tag
* @param bc
* @param doReuse
* @throws TransformerException
* @throws BundleException
* @throws ClassException
*/
public static void writeOut(Tag tag, BytecodeContext bc, boolean doReuse, final FlowControlFinal fcf) throws TransformerException {
final GeneratorAdapter adapter = bc.getAdapter();
final TagLibTag tlt = tag.getTagLibTag();
final ClassDefinition cd = tlt.getTagClassDefinition();
final boolean fromBundle = cd.getName() != null;
final Type currType;
if (fromBundle) {
try {
if (Reflector.isInstaneOf(cd.getClazz(), BodyTag.class))
currType = BODY_TAG;
else
currType = TAG;
} catch (Exception e) {
if (e instanceof TransformerException)
throw (TransformerException) e;
throw new TransformerException(e, tag.getStart());
}
} else
currType = getTagType(tag);
final int currLocal = adapter.newLocal(currType);
Label tagBegin = new Label();
Label tagEnd = new Label();
ExpressionUtil.visitLine(bc, tag.getStart());
// TODO adapter.visitLocalVariable("tag", "L"+currType.getInternalName()+";", null, tagBegin, tagEnd, currLocal);
adapter.visitLabel(tagBegin);
// tag=pc.use(String tagClassName,String tagBundleName, String tagBundleVersion, String fullname,int attrType) throws PageException {
adapter.loadArg(0);
adapter.checkCast(Types.PAGE_CONTEXT_IMPL);
adapter.push(cd.getClassName());
// has bundle info/version
if (fromBundle) {
// name
adapter.push(cd.getName());
// version
if (cd.getVersion() != null)
adapter.push(cd.getVersionAsString());
else
ASMConstants.NULL(adapter);
}
adapter.push(tlt.getFullName());
adapter.push(tlt.getAttributeType());
adapter.invokeVirtual(Types.PAGE_CONTEXT_IMPL, fromBundle ? USE5 : USE3);
if (currType != TAG)
adapter.checkCast(currType);
adapter.storeLocal(currLocal);
TryFinallyVisitor outerTcfv = new TryFinallyVisitor(new OnFinally() {
@Override
public void _writeOut(BytecodeContext bc) {
adapter.loadArg(0);
adapter.checkCast(Types.PAGE_CONTEXT_IMPL);
adapter.loadLocal(currLocal);
if (cd.getName() != null) {
adapter.push(cd.getName());
if (cd.getVersion() != null)
adapter.push(cd.getVersionAsString());
else
ASMConstants.NULL(adapter);
}
adapter.invokeVirtual(Types.PAGE_CONTEXT_IMPL, fromBundle ? RE_USE3 : RE_USE1);
}
}, null);
if (doReuse)
outerTcfv.visitTryBegin(bc);
// appendix
if (tlt.hasAppendix()) {
adapter.loadLocal(currLocal);
adapter.push(tag.getAppendix());
if (// PageContextUtil.setAppendix(tag,appendix)
fromBundle)
ASMUtil.invoke(ASMUtil.STATIC, adapter, Types.TAG_UTIL, SET_APPENDIX2);
else
// tag.setAppendix(appendix)
ASMUtil.invoke(ASMUtil.VIRTUAL, adapter, currType, SET_APPENDIX1);
}
// hasBody
boolean hasBody = tag.getBody() != null;
if (tlt.isBodyFree() && tlt.hasBodyMethodExists()) {
adapter.loadLocal(currLocal);
adapter.push(hasBody);
if (// PageContextUtil.setAppendix(tag,appendix)
fromBundle)
ASMUtil.invoke(ASMUtil.STATIC, adapter, Types.TAG_UTIL, HAS_BODY2);
else
// tag.setAppendix(appendix)
ASMUtil.invoke(ASMUtil.VIRTUAL, adapter, currType, HAS_BODY1);
}
// default attributes (get overwritten by attributeCollection because of that set before)
setAttributes(bc, tag, currLocal, currType, true, fromBundle);
// attributeCollection
Attribute attrColl = tag.getAttribute("attributecollection");
if (attrColl != null) {
int attrType = tag.getTagLibTag().getAttributeType();
if (TagLibTag.ATTRIBUTE_TYPE_NONAME != attrType) {
tag.removeAttribute("attributecollection");
// TagUtil.setAttributeCollection(Tag, Struct)
adapter.loadArg(0);
adapter.loadLocal(currLocal);
if (currType != TAG)
adapter.cast(currType, TAG);
// /
TagLibTagAttr[] missings = tag.getMissingAttributes();
if (!ArrayUtil.isEmpty(missings)) {
ArrayVisitor av = new ArrayVisitor();
av.visitBegin(adapter, MISSING_ATTRIBUTE, missings.length);
int count = 0;
TagLibTagAttr miss;
for (int i = 0; i < missings.length; i++) {
miss = missings[i];
av.visitBeginItem(adapter, count++);
bc.getFactory().registerKey(bc, bc.getFactory().createLitString(miss.getName()), false);
adapter.push(miss.getType());
if (ArrayUtil.isEmpty(miss.getAlias()))
adapter.invokeStatic(MISSING_ATTRIBUTE, NEW_INSTANCE_MAX2);
else {
new LiteralStringArray(bc.getFactory(), miss.getAlias()).writeOut(bc, Expression.MODE_REF);
adapter.invokeStatic(MISSING_ATTRIBUTE, NEW_INSTANCE_MAX3);
}
av.visitEndItem(bc.getAdapter());
}
av.visitEnd();
} else {
ASMConstants.NULL(adapter);
}
// /
attrColl.getValue().writeOut(bc, Expression.MODE_REF);
adapter.push(attrType);
adapter.invokeStatic(TAG_UTIL, SET_ATTRIBUTE_COLLECTION);
}
}
// metadata
Attribute attr;
Map<String, Attribute> metadata = tag.getMetaData();
if (metadata != null) {
Iterator<Attribute> it = metadata.values().iterator();
while (it.hasNext()) {
attr = it.next();
adapter.loadLocal(currLocal);
adapter.push(attr.getName());
attr.getValue().writeOut(bc, Expression.MODE_REF);
if (fromBundle)
ASMUtil.invoke(ASMUtil.STATIC, adapter, Types.TAG_UTIL, SET_META_DATA3);
else
ASMUtil.invoke(ASMUtil.VIRTUAL, adapter, currType, SET_META_DATA2);
}
}
// set attributes
setAttributes(bc, tag, currLocal, currType, false, fromBundle);
// Body
if (hasBody) {
final int state = adapter.newLocal(Types.INT_VALUE);
// int state=tag.doStartTag();
adapter.loadLocal(currLocal);
ASMUtil.invoke(fromBundle ? ASMUtil.INTERFACE : ASMUtil.VIRTUAL, adapter, currType, DO_START_TAG);
// adapter.invokeVirtual(currType, DO_START_TAG);
adapter.storeLocal(state);
// if (state!=Tag.SKIP_BODY)
Label endBody = new Label();
adapter.loadLocal(state);
adapter.push(javax.servlet.jsp.tagext.Tag.SKIP_BODY);
adapter.visitJumpInsn(Opcodes.IF_ICMPEQ, endBody);
// pc.initBody(tag, state);
adapter.loadArg(0);
adapter.loadLocal(currLocal);
adapter.loadLocal(state);
adapter.invokeVirtual(Types.PAGE_CONTEXT, INIT_BODY);
OnFinally onFinally = new OnFinally() {
@Override
public void _writeOut(BytecodeContext bc) {
Label endIf = new Label();
/*if(tlt.handleException() && fcf!=null && fcf.getAfterFinalGOTOLabel()!=null){
ASMUtil.visitLabel(adapter, fcf.getFinalEntryLabel());
}*/
adapter.loadLocal(state);
adapter.push(javax.servlet.jsp.tagext.Tag.EVAL_BODY_INCLUDE);
adapter.visitJumpInsn(Opcodes.IF_ICMPEQ, endIf);
// ... pc.popBody();
adapter.loadArg(0);
adapter.invokeVirtual(Types.PAGE_CONTEXT, POP_BODY);
adapter.pop();
adapter.visitLabel(endIf);
// tag.doFinally();
if (tlt.handleException()) {
adapter.loadLocal(currLocal);
ASMUtil.invoke(fromBundle ? ASMUtil.INTERFACE : ASMUtil.VIRTUAL, adapter, currType, DO_FINALLY);
// adapter.invokeVirtual(currType, DO_FINALLY);
}
// GOTO after execution body, used when a continue/break was called before
/*if(fcf!=null) {
Label l = fcf.getAfterFinalGOTOLabel();
if(l!=null)adapter.visitJumpInsn(Opcodes.GOTO, l);
}*/
}
};
if (tlt.handleException()) {
TryCatchFinallyVisitor tcfv = new TryCatchFinallyVisitor(onFinally, fcf);
tcfv.visitTryBegin(bc);
doTry(bc, adapter, tag, currLocal, currType, fromBundle);
int t = tcfv.visitTryEndCatchBeging(bc);
// tag.doCatch(t);
adapter.loadLocal(currLocal);
adapter.loadLocal(t);
// adapter.visitVarInsn(Opcodes.ALOAD,t);
ASMUtil.invoke(fromBundle ? ASMUtil.INTERFACE : ASMUtil.VIRTUAL, adapter, currType, DO_CATCH);
// adapter.invokeVirtual(currType, DO_CATCH);
tcfv.visitCatchEnd(bc);
} else {
TryFinallyVisitor tfv = new TryFinallyVisitor(onFinally, fcf);
tfv.visitTryBegin(bc);
doTry(bc, adapter, tag, currLocal, currType, fromBundle);
tfv.visitTryEnd(bc);
}
adapter.visitLabel(endBody);
} else {
// tag.doStartTag();
adapter.loadLocal(currLocal);
ASMUtil.invoke(fromBundle ? ASMUtil.INTERFACE : ASMUtil.VIRTUAL, adapter, currType, DO_START_TAG);
// adapter.invokeVirtual(currType, DO_START_TAG);
adapter.pop();
}
// if (tag.doEndTag()==Tag.SKIP_PAGE) throw new Abort(0<!-- SCOPE_PAGE -->);
Label endDoEndTag = new Label();
adapter.loadLocal(currLocal);
ASMUtil.invoke(fromBundle ? ASMUtil.INTERFACE : ASMUtil.VIRTUAL, adapter, currType, DO_END_TAG);
// adapter.invokeVirtual(currType, DO_END_TAG);
adapter.push(javax.servlet.jsp.tagext.Tag.SKIP_PAGE);
adapter.visitJumpInsn(Opcodes.IF_ICMPNE, endDoEndTag);
adapter.push(Abort.SCOPE_PAGE);
adapter.invokeStatic(ABORT, NEW_INSTANCE);
adapter.throwException();
adapter.visitLabel(endDoEndTag);
if (doReuse) {
// } finally{pc.reuse(tag);}
outerTcfv.visitTryEnd(bc);
}
adapter.visitLabel(tagEnd);
ExpressionUtil.visitLine(bc, tag.getEnd());
}
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