MethodGeneratorpublic class MethodGenerator extends MethodGen implements Constants
| Fields Summary |
|---|
| protected static final int | INVALID_INDEX | | private static final String | START_ELEMENT_SIG | | private static final String | END_ELEMENT_SIG | | private InstructionList | _mapTypeSub | | private static final int | DOM_INDEX | | private static final int | ITERATOR_INDEX | | private static final int | HANDLER_INDEX | | private Instruction | _iloadCurrent | | private Instruction | _istoreCurrent | | private final Instruction | _astoreHandler | | private final Instruction | _aloadHandler | | private final Instruction | _astoreIterator | | private final Instruction | _aloadIterator | | private final Instruction | _aloadDom | | private final Instruction | _astoreDom | | private final Instruction | _startElement | | private final Instruction | _endElement | | private final Instruction | _startDocument | | private final Instruction | _endDocument | | private final Instruction | _attribute | | private final Instruction | _uniqueAttribute | | private final Instruction | _namespace | | private final Instruction | _setStartNode | | private final Instruction | _reset | | private final Instruction | _nextNode | | private SlotAllocator | _slotAllocator | | private boolean | _allocatorInit | | private Hashtable | _preCompiledA mapping between patterns and instruction lists used by
test sequences to avoid compiling the same pattern multiple
times. Note that patterns whose kernels are "*", "node()"
and "@*" can between shared by test sequences. |
| Constructors Summary |
|---|
public MethodGenerator(int access_flags, Type return_type, Type[] arg_types, String[] arg_names, String method_name, String class_name, InstructionList il, ConstantPoolGen cpg)
super(access_flags, return_type, arg_types, arg_names, method_name,
class_name, il, cpg);
_astoreHandler = new ASTORE(HANDLER_INDEX);
_aloadHandler = new ALOAD(HANDLER_INDEX);
_astoreIterator = new ASTORE(ITERATOR_INDEX);
_aloadIterator = new ALOAD(ITERATOR_INDEX);
_aloadDom = new ALOAD(DOM_INDEX);
_astoreDom = new ASTORE(DOM_INDEX);
final int startElement =
cpg.addInterfaceMethodref(TRANSLET_OUTPUT_INTERFACE,
"startElement",
START_ELEMENT_SIG);
_startElement = new INVOKEINTERFACE(startElement, 2);
final int endElement =
cpg.addInterfaceMethodref(TRANSLET_OUTPUT_INTERFACE,
"endElement",
END_ELEMENT_SIG);
_endElement = new INVOKEINTERFACE(endElement, 2);
final int attribute =
cpg.addInterfaceMethodref(TRANSLET_OUTPUT_INTERFACE,
"addAttribute",
"("
+ STRING_SIG
+ STRING_SIG
+ ")V");
_attribute = new INVOKEINTERFACE(attribute, 3);
final int uniqueAttribute =
cpg.addInterfaceMethodref(TRANSLET_OUTPUT_INTERFACE,
"addUniqueAttribute",
"("
+ STRING_SIG
+ STRING_SIG
+ "I)V");
_uniqueAttribute = new INVOKEINTERFACE(uniqueAttribute, 4);
final int namespace =
cpg.addInterfaceMethodref(TRANSLET_OUTPUT_INTERFACE,
"namespaceAfterStartElement",
"("
+ STRING_SIG
+ STRING_SIG
+ ")V");
_namespace = new INVOKEINTERFACE(namespace, 3);
int index = cpg.addInterfaceMethodref(TRANSLET_OUTPUT_INTERFACE,
"startDocument",
"()V");
_startDocument = new INVOKEINTERFACE(index, 1);
index = cpg.addInterfaceMethodref(TRANSLET_OUTPUT_INTERFACE,
"endDocument",
"()V");
_endDocument = new INVOKEINTERFACE(index, 1);
index = cpg.addInterfaceMethodref(NODE_ITERATOR,
SET_START_NODE,
SET_START_NODE_SIG);
_setStartNode = new INVOKEINTERFACE(index, 2);
index = cpg.addInterfaceMethodref(NODE_ITERATOR,
"reset", "()"+NODE_ITERATOR_SIG);
_reset = new INVOKEINTERFACE(index, 1);
index = cpg.addInterfaceMethodref(NODE_ITERATOR, NEXT, NEXT_SIG);
_nextNode = new INVOKEINTERFACE(index, 1);
_slotAllocator = new SlotAllocator();
_slotAllocator.initialize(getLocalVariables());
_allocatorInit = true;
|
| Methods Summary |
|---|
| public void | addInstructionList(com.sun.org.apache.xalan.internal.xsltc.compiler.Pattern pattern, com.sun.org.apache.bcel.internal.generic.InstructionList ilist)Add a pre-compiled pattern to this mode.
_preCompiled.put(pattern, ilist);
| | public com.sun.org.apache.bcel.internal.generic.LocalVariableGen | addLocalVariable(java.lang.String name, com.sun.org.apache.bcel.internal.generic.Type type, com.sun.org.apache.bcel.internal.generic.InstructionHandle start, com.sun.org.apache.bcel.internal.generic.InstructionHandle end)Allocates a local variable. If the slot allocator has already been
initialized, then call addLocalVariable2() so that the new variable
is known to the allocator. Failing to do this may cause the allocator
to return a slot that is already in use.
return (_allocatorInit) ? addLocalVariable2(name, type, start)
: super.addLocalVariable(name, type, start, end);
| | public com.sun.org.apache.bcel.internal.generic.LocalVariableGen | addLocalVariable2(java.lang.String name, com.sun.org.apache.bcel.internal.generic.Type type, com.sun.org.apache.bcel.internal.generic.InstructionHandle start)
return super.addLocalVariable(name, type,
_slotAllocator.allocateSlot(type),
start, null);
| | public final com.sun.org.apache.bcel.internal.generic.Instruction | attribute()
return _attribute;
| | public final com.sun.org.apache.bcel.internal.generic.Instruction | endDocument()
return _endDocument;
| | public final com.sun.org.apache.bcel.internal.generic.Instruction | endElement()
return _endElement;
| | public com.sun.org.apache.bcel.internal.generic.InstructionList | getInstructionList(com.sun.org.apache.xalan.internal.xsltc.compiler.Pattern pattern)Get the instruction list for a pre-compiled pattern. Used by
test sequences to avoid compiling patterns more than once.
return (InstructionList) _preCompiled.get(pattern);
| | public int | getLocalIndex(java.lang.String name)
return getLocalVariable(name).getIndex();
| | public com.sun.org.apache.bcel.internal.generic.LocalVariableGen | getLocalVariable(java.lang.String name)
final LocalVariableGen[] vars = getLocalVariables();
for (int i = 0; i < vars.length; i++)
if (vars[i].getName().equals(name))
return vars[i];
return null;
| | public com.sun.org.apache.bcel.internal.generic.Instruction | loadContextNode()by default context node is the same as current node. MK437
return loadCurrentNode();
| | public com.sun.org.apache.bcel.internal.generic.Instruction | loadCurrentNode()
if (_iloadCurrent == null) {
int idx = getLocalIndex("current");
if (idx > 0)
_iloadCurrent = new ILOAD(idx);
else
_iloadCurrent = new ICONST(0);
}
return _iloadCurrent;
| | public com.sun.org.apache.bcel.internal.generic.Instruction | loadDOM()
return _aloadDom;
| | public com.sun.org.apache.bcel.internal.generic.Instruction | loadHandler()
return _aloadHandler;
| | public com.sun.org.apache.bcel.internal.generic.Instruction | loadIterator()
return _aloadIterator;
| | public final com.sun.org.apache.bcel.internal.generic.Instruction | namespace()
return _namespace;
| | public final com.sun.org.apache.bcel.internal.generic.Instruction | nextNode()
return _nextNode;
| | public void | removeLocalVariable(com.sun.org.apache.bcel.internal.generic.LocalVariableGen lvg)
_slotAllocator.releaseSlot(lvg);
super.removeLocalVariable(lvg);
| | public final com.sun.org.apache.bcel.internal.generic.Instruction | reset()
return _reset;
| | public void | setMaxLocals()
// Get the current number of local variable slots
int maxLocals = super.getMaxLocals();
int prevLocals = maxLocals;
// Get numer of actual variables
final LocalVariableGen[] localVars = super.getLocalVariables();
if (localVars != null) {
if (localVars.length > maxLocals)
maxLocals = localVars.length;
}
// We want at least 5 local variable slots (for parameters)
if (maxLocals < 5) maxLocals = 5;
super.setMaxLocals(maxLocals);
| | public final com.sun.org.apache.bcel.internal.generic.Instruction | setStartNode()
return _setStartNode;
| | public final com.sun.org.apache.bcel.internal.generic.Instruction | startDocument()
return _startDocument;
| | public final com.sun.org.apache.bcel.internal.generic.Instruction | startElement()
return _startElement;
| | public com.sun.org.apache.bcel.internal.generic.Instruction | storeContextNode()
return storeCurrentNode();
| | public com.sun.org.apache.bcel.internal.generic.Instruction | storeCurrentNode()
return _istoreCurrent != null
? _istoreCurrent
: (_istoreCurrent = new ISTORE(getLocalIndex("current")));
| | public com.sun.org.apache.bcel.internal.generic.Instruction | storeDOM()
return _astoreDom;
| | public com.sun.org.apache.bcel.internal.generic.Instruction | storeHandler()
return _astoreHandler;
| | public com.sun.org.apache.bcel.internal.generic.Instruction | storeIterator()
return _astoreIterator;
| | public final com.sun.org.apache.bcel.internal.generic.Instruction | uniqueAttribute()
return _uniqueAttribute;
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