use of org.objectweb.asm.Type 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());
}
use of org.objectweb.asm.Type in project Lucee by lucee.
the class ComponentUtil method createMethod.
private static int createMethod(ConstrBytecodeContext constr, java.util.List<LitString> keys, ClassWriter cw, String className, Object member, int max, boolean writeLog, boolean suppressWSbeforeArg, boolean output, boolean returnValue) throws PageException {
boolean hasOptionalArgs = false;
if (member instanceof UDF) {
UDF udf = (UDF) member;
FunctionArgument[] args = udf.getFunctionArguments();
Type[] types = new Type[max < 0 ? args.length : max];
for (int y = 0; y < types.length; y++) {
types[y] = toType(args[y].getTypeAsString(), true);
if (!args[y].isRequired())
hasOptionalArgs = true;
}
Type rtnType = toType(udf.getReturnTypeAsString(), true);
Method method = new Method(udf.getFunctionName(), rtnType, types);
GeneratorAdapter adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL, method, null, null, cw);
BytecodeContext bc = new BytecodeContext(null, constr, getPage(constr), keys, cw, className, adapter, method, writeLog, suppressWSbeforeArg, output, returnValue);
Label start = adapter.newLabel();
adapter.visitLabel(start);
// ComponentController.invoke(name, args);
// name
adapter.push(udf.getFunctionName());
// args
ArrayVisitor av = new ArrayVisitor();
av.visitBegin(adapter, Types.OBJECT, types.length);
for (int y = 0; y < types.length; y++) {
av.visitBeginItem(adapter, y);
adapter.loadArg(y);
av.visitEndItem(bc.getAdapter());
}
av.visitEnd();
adapter.invokeStatic(Types.COMPONENT_CONTROLLER, INVOKE);
adapter.checkCast(rtnType);
// ASMConstants.NULL(adapter);
adapter.returnValue();
Label end = adapter.newLabel();
adapter.visitLabel(end);
for (int y = 0; y < types.length; y++) {
adapter.visitLocalVariable(args[y].getName().getString(), types[y].getDescriptor(), null, start, end, y + 1);
}
adapter.endMethod();
if (hasOptionalArgs) {
if (max == -1)
max = args.length - 1;
else
max--;
return max;
}
}
return -1;
}
use of org.objectweb.asm.Type in project Lucee by lucee.
the class BodyBase method writeOut.
public static void writeOut(final BytecodeContext bc, List<Statement> statements) throws TransformerException {
GeneratorAdapter adapter = bc.getAdapter();
boolean isOutsideMethod;
GeneratorAdapter a = null;
Method m;
BytecodeContext _bc = bc;
Iterator<Statement> it = statements.iterator();
boolean split = bc.getPage().getSplitIfNecessary();
// int lastLine=-1;
while (it.hasNext()) {
isOutsideMethod = bc.getMethod().getReturnType().equals(Types.VOID);
Statement s = it.next();
if (split && _bc.incCount() > MAX_STATEMENTS && bc.doSubFunctions() && (isOutsideMethod || !s.hasFlowController()) && s.getStart() != null) {
if (a != null) {
a.returnValue();
a.endMethod();
}
// ExpressionUtil.visitLine(bc, s.getLine());
String method = ASMUtil.createOverfowMethod(bc.getMethod().getName(), bc.getPage().getMethodCount());
ExpressionUtil.visitLine(bc, s.getStart());
// ExpressionUtil.lastLine(bc);
m = new Method(method, Types.VOID, new Type[] { Types.PAGE_CONTEXT });
a = new GeneratorAdapter(Opcodes.ACC_PRIVATE + Opcodes.ACC_FINAL, m, null, new Type[] { Types.THROWABLE }, bc.getClassWriter());
_bc = new BytecodeContext(bc.getConstructor(), bc.getKeys(), bc, a, m);
if (bc.getRoot() != null)
_bc.setRoot(bc.getRoot());
else
_bc.setRoot(bc);
adapter.visitVarInsn(Opcodes.ALOAD, 0);
adapter.visitVarInsn(Opcodes.ALOAD, 1);
adapter.visitMethodInsn(Opcodes.INVOKEVIRTUAL, bc.getClassName(), method, "(Llucee/runtime/PageContext;)V");
}
if (_bc != bc && s.hasFlowController()) {
if (a != null) {
a.returnValue();
a.endMethod();
}
_bc = bc;
a = null;
}
ExpressionUtil.writeOut(s, _bc);
}
if (a != null) {
a.returnValue();
a.endMethod();
}
}
use of org.objectweb.asm.Type in project Lucee by lucee.
the class CastBoolean method _writeOut.
/**
* @see lucee.transformer.expression.Expression#writeOut(org.objectweb.asm.commons.GeneratorAdapter, int)
*/
@Override
public Type _writeOut(BytecodeContext bc, int mode) throws TransformerException {
GeneratorAdapter adapter = bc.getAdapter();
if (expr instanceof ExprDouble) {
expr.writeOut(bc, MODE_VALUE);
if (mode == MODE_VALUE)
adapter.invokeStatic(Types.CASTER, Methods.METHOD_TO_BOOLEAN_VALUE_FROM_DOUBLE);
else
adapter.invokeStatic(Types.CASTER, Methods.METHOD_TO_BOOLEAN_FROM_DOUBLE);
} else if (expr instanceof ExprString) {
expr.writeOut(bc, MODE_REF);
if (mode == MODE_VALUE)
adapter.invokeStatic(Types.CASTER, Methods.METHOD_TO_BOOLEAN_VALUE_FROM_STRING);
else
adapter.invokeStatic(Types.CASTER, Methods.METHOD_TO_BOOLEAN_FROM_STRING);
} else {
Type rtn = expr.writeOut(bc, mode);
if (mode == MODE_VALUE) {
if (!Types.isPrimitiveType(rtn)) {
adapter.invokeStatic(Types.CASTER, Methods.METHOD_TO_BOOLEAN_VALUE);
} else if (Types.BOOLEAN_VALUE.equals(rtn)) {
} else if (Types.DOUBLE_VALUE.equals(rtn)) {
adapter.invokeStatic(Types.CASTER, Methods.METHOD_TO_BOOLEAN_VALUE_FROM_DOUBLE);
} else {
adapter.invokeStatic(Types.CASTER, new Method("toRef", Types.toRefType(rtn), new Type[] { rtn }));
adapter.invokeStatic(Types.CASTER, Methods.METHOD_TO_BOOLEAN_VALUE);
}
// return Types.BOOLEAN_VALUE;
} else {
if (Types.BOOLEAN.equals(rtn)) {
} else
adapter.invokeStatic(Types.CASTER, Methods.METHOD_TO_BOOLEAN);
}
}
if (mode == MODE_VALUE)
return Types.BOOLEAN_VALUE;
return Types.BOOLEAN;
}
use of org.objectweb.asm.Type in project Lucee by lucee.
the class CastDouble method _writeOut.
/**
* @see lucee.transformer.expression.Expression#_writeOut(org.objectweb.asm.commons.GeneratorAdapter, int)
*/
@Override
public Type _writeOut(BytecodeContext bc, int mode) throws TransformerException {
GeneratorAdapter adapter = bc.getAdapter();
if (expr instanceof ExprBoolean) {
expr.writeOut(bc, MODE_VALUE);
if (mode == MODE_VALUE)
adapter.invokeStatic(Types.CASTER, Methods.METHOD_TO_DOUBLE_VALUE_FROM_BOOLEAN);
else
adapter.invokeStatic(Types.CASTER, Methods.METHOD_TO_DOUBLE_FROM_BOOLEAN);
} else if (expr instanceof ExprDouble) {
expr.writeOut(bc, mode);
// if(mode==MODE_VALUE)adapter.invokeStatic(Types.CASTER,Methods.METHOD_TO_DOUBLE_VALUE_FROM_DOUBLE);
// if(mode==MODE_REF) adapter.invokeStatic(Types.CASTER,Methods.METHOD_TO_DOUBLE_FROM_DOUBLE);
} else if (expr instanceof ExprString) {
expr.writeOut(bc, MODE_REF);
if (mode == MODE_VALUE)
adapter.invokeStatic(Types.CASTER, Methods.METHOD_TO_DOUBLE_VALUE_FROM_STRING);
else
adapter.invokeStatic(Types.CASTER, Methods.METHOD_TO_DOUBLE_FROM_STRING);
} else {
Type rtn = expr.writeOut(bc, mode);
if (mode == MODE_VALUE) {
if (!Types.isPrimitiveType(rtn)) {
adapter.invokeStatic(Types.CASTER, Methods.METHOD_TO_DOUBLE_VALUE);
} else if (Types.DOUBLE_VALUE.equals(rtn)) {
} else if (Types.BOOLEAN_VALUE.equals(rtn)) {
adapter.invokeStatic(Types.CASTER, Methods.METHOD_TO_DOUBLE_VALUE_FROM_BOOLEAN);
} else {
adapter.invokeStatic(Types.CASTER, new Method("toRef", Types.toRefType(rtn), new Type[] { rtn }));
adapter.invokeStatic(Types.CASTER, Methods.METHOD_TO_DOUBLE_VALUE);
}
return Types.DOUBLE_VALUE;
} else if (Types.isPrimitiveType(rtn)) {
if (Types.DOUBLE_VALUE.equals(rtn)) {
adapter.invokeStatic(Types.CASTER, Methods.METHOD_TO_DOUBLE_FROM_DOUBLE);
} else if (Types.BOOLEAN_VALUE.equals(rtn)) {
adapter.invokeStatic(Types.CASTER, Methods.METHOD_TO_DOUBLE_FROM_BOOLEAN);
} else {
adapter.invokeStatic(Types.CASTER, new Method("toRef", Types.toRefType(rtn), new Type[] { rtn }));
adapter.invokeStatic(Types.CASTER, Methods.METHOD_TO_DOUBLE);
}
return Types.DOUBLE;
}
// else {
if (!Types.DOUBLE.equals(rtn))
adapter.invokeStatic(Types.CASTER, Methods.METHOD_TO_DOUBLE);
return Types.DOUBLE;
// }
}
if (mode == MODE_VALUE)
return Types.DOUBLE_VALUE;
return Types.DOUBLE;
}
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