private static void catchBody(
BytecodeContext bc,
GeneratorAdapter adapter,
Catch ct,
int pe,
int lRef,
boolean caugth,
boolean store)
throws BytecodeException {
// pc.setCatch(pe,true);
adapter.loadArg(0);
adapter.loadLocal(pe);
adapter.push(caugth);
adapter.push(store);
adapter.invokeVirtual(Types.PAGE_CONTEXT, TagTry.SET_CATCH3);
// ref=
ct.name.writeOut(bc, Expression.MODE_REF);
adapter.storeLocal(lRef);
adapter.loadLocal(lRef);
adapter.loadArg(0);
adapter.loadLocal(pe); // (...,pe.getCatchBlock(pc))
adapter.loadArg(0);
adapter.invokeVirtual(Types.PAGE_EXCEPTION, GET_CATCH_BLOCK);
adapter.invokeInterface(Types.REFERENCE, SET);
adapter.pop();
ct.body.writeOut(bc);
}
private void _writeOutFinally(BytecodeContext bc, int lRef) throws BytecodeException {
// ref.remove(pc);
// Reference r=null;
GeneratorAdapter adapter = bc.getAdapter();
// if(fcf!=null &&
// fcf.getAfterFinalGOTOLabel()!=null)ASMUtil.visitLabel(adapter,fcf.getFinalEntryLabel());
ExpressionUtil.visitLine(bc, finallyLine);
// if (reference != null)
// reference.removeEL(pagecontext);
Label removeEnd = new Label();
adapter.loadLocal(lRef);
adapter.ifNull(removeEnd);
adapter.loadLocal(lRef);
adapter.loadArg(0);
adapter.invokeInterface(Types.REFERENCE, REMOVE_EL);
adapter.pop();
adapter.visitLabel(removeEnd);
if (finallyBody != null) finallyBody.writeOut(bc); // finally
/*if(fcf!=null){
Label l = fcf.getAfterFinalGOTOLabel();
if(l!=null)adapter.visitJumpInsn(Opcodes.GOTO, l);
}*/
}
private void forUpdate(GeneratorAdapter adapter, int step, boolean isLocal) {
if (isLocal) {
adapter.visitVarInsn(ILOAD, i);
adapter.loadLocal(step);
adapter.visitInsn(IADD);
adapter.visitVarInsn(ISTORE, i);
} else adapter.visitIincInsn(i, step);
}
private void forInit(GeneratorAdapter adapter, int start, boolean isLocal) {
i = adapter.newLocal(Types.INT_VALUE);
if (isLocal) adapter.loadLocal(start, Types.INT_VALUE);
else adapter.push(start);
adapter.visitVarInsn(ISTORE, i);
}
private void _writeOutCatch(BytecodeContext bc, int lRef, int lThrow) throws BytecodeException {
GeneratorAdapter adapter = bc.getAdapter();
int pe = adapter.newLocal(Types.PAGE_EXCEPTION);
// instance of Abort
Label abortEnd = new Label();
adapter.loadLocal(lThrow);
adapter.invokeStatic(Types.ABORT, TryCatchFinally.IS_ABORT);
// adapter.instanceOf(Types.ABORT);
adapter.ifZCmp(Opcodes.IFEQ, abortEnd);
adapter.loadLocal(lThrow);
adapter.throwException();
adapter.visitLabel(abortEnd);
// PageExceptionImpl old=pc.getCatch();
int old = adapter.newLocal(Types.PAGE_EXCEPTION);
adapter.loadArg(0);
adapter.invokeVirtual(Types.PAGE_CONTEXT, TagTry.GET_CATCH);
adapter.storeLocal(old);
// cast to PageException Caster.toPagException(t);
adapter.loadLocal(lThrow);
adapter.invokeStatic(Types.CASTER, TO_PAGE_EXCEPTION);
// PageException pe=...
adapter.storeLocal(pe);
// catch loop
Label endAllIf = new Label();
Iterator<Catch> it = catches.iterator();
Catch ctElse = null;
while (it.hasNext()) {
Catch ct = it.next();
// store any for else
if (ct.type != null
&& ct.type instanceof LitString
&& ((LitString) ct.type).getString().equalsIgnoreCase("any")) {
ctElse = ct;
continue;
}
ExpressionUtil.visitLine(bc, ct.line);
// pe.typeEqual(type)
if (ct.type == null) {
LitBoolean.TRUE.writeOut(bc, Expression.MODE_VALUE);
} else {
adapter.loadLocal(pe);
ct.type.writeOut(bc, Expression.MODE_REF);
adapter.invokeVirtual(Types.PAGE_EXCEPTION, TYPE_EQUAL);
}
Label endIf = new Label();
adapter.ifZCmp(Opcodes.IFEQ, endIf);
catchBody(bc, adapter, ct, pe, lRef, true, true);
adapter.visitJumpInsn(Opcodes.GOTO, endAllIf);
adapter.visitLabel(endIf);
}
if (ctElse != null) {
catchBody(bc, adapter, ctElse, pe, lRef, true, true);
} else {
// pc.setCatch(pe,true);
adapter.loadArg(0);
adapter.loadLocal(pe);
adapter.push(false);
adapter.push(false);
adapter.invokeVirtual(Types.PAGE_CONTEXT, TagTry.SET_CATCH3);
adapter.loadLocal(pe);
adapter.throwException();
}
adapter.visitLabel(endAllIf);
// PageExceptionImpl old=pc.setCatch(old);
adapter.loadArg(0);
adapter.loadLocal(old);
adapter.invokeVirtual(Types.PAGE_CONTEXT, TagTry.SET_CATCH_PE);
}