int numberOfEntries = 0;
int localVariableNameIndex =
this.constantPool.literalIndex(AttributeNamesConstants.LocalVariableTableName);
int maxOfEntries = 8 + 10 * (methodDeclarationIsStatic ? 0 : 1);
for (int i = 0; i < this.codeStream.allLocalsCounter; i++) {
LocalVariableBinding localVariableBinding = this.codeStream.locals[i];
maxOfEntries += 10 * localVariableBinding.initializationCount;
}
// reserve enough space
if (localContentsOffset + maxOfEntries >= this.contents.length) {
resizeContents(maxOfEntries);
}
this.contents[localContentsOffset++] = (byte) (localVariableNameIndex >> 8);
this.contents[localContentsOffset++] = (byte) localVariableNameIndex;
int localVariableTableOffset = localContentsOffset;
// leave space for attribute_length and local_variable_table_length
localContentsOffset += 6;
int nameIndex;
int descriptorIndex;
SourceTypeBinding declaringClassBinding = null;
if (!methodDeclarationIsStatic && !isSynthetic) {
numberOfEntries++;
this.contents[localContentsOffset++] = 0; // the startPC for this is always 0
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = (byte) (code_length >> 8);
this.contents[localContentsOffset++] = (byte) code_length;
nameIndex = this.constantPool.literalIndex(ConstantPool.This);
this.contents[localContentsOffset++] = (byte) (nameIndex >> 8);
this.contents[localContentsOffset++] = (byte) nameIndex;
declaringClassBinding = (SourceTypeBinding) this.codeStream.methodDeclaration.binding.declaringClass;
descriptorIndex =
this.constantPool.literalIndex(
declaringClassBinding.signature());
this.contents[localContentsOffset++] = (byte) (descriptorIndex >> 8);
this.contents[localContentsOffset++] = (byte) descriptorIndex;
this.contents[localContentsOffset++] = 0;// the resolved position for this is always 0
this.contents[localContentsOffset++] = 0;
}
// used to remember the local variable with a generic type
int genericLocalVariablesCounter = 0;
LocalVariableBinding[] genericLocalVariables = null;
int numberOfGenericEntries = 0;
for (int i = 0, max = this.codeStream.allLocalsCounter; i < max; i++) {
LocalVariableBinding localVariable = this.codeStream.locals[i];
int initializationCount = localVariable.initializationCount;
if (initializationCount == 0) continue;
if (localVariable.declaration == null) continue;
final TypeBinding localVariableTypeBinding = localVariable.type;
boolean isParameterizedType = localVariableTypeBinding.isParameterizedType() || localVariableTypeBinding.isTypeVariable();
if (isParameterizedType) {
if (genericLocalVariables == null) {
// we cannot have more than max locals
genericLocalVariables = new LocalVariableBinding[max];
}
genericLocalVariables[genericLocalVariablesCounter++] = localVariable;
}
for (int j = 0; j < initializationCount; j++) {
int startPC = localVariable.initializationPCs[j << 1];
int endPC = localVariable.initializationPCs[(j << 1) + 1];
if (startPC != endPC) { // only entries for non zero length
if (endPC == -1) {
localVariable.declaringScope.problemReporter().abortDueToInternalError(
Messages.bind(Messages.abort_invalidAttribute, new String(localVariable.name)),
(ASTNode) localVariable.declaringScope.methodScope().referenceContext);
}
if (isParameterizedType) {
numberOfGenericEntries++;
}
// now we can safely add the local entry
numberOfEntries++;
this.contents[localContentsOffset++] = (byte) (startPC >> 8);
this.contents[localContentsOffset++] = (byte) startPC;
int length = endPC - startPC;
this.contents[localContentsOffset++] = (byte) (length >> 8);
this.contents[localContentsOffset++] = (byte) length;
nameIndex = this.constantPool.literalIndex(localVariable.name);
this.contents[localContentsOffset++] = (byte) (nameIndex >> 8);
this.contents[localContentsOffset++] = (byte) nameIndex;
descriptorIndex = this.constantPool.literalIndex(localVariableTypeBinding.signature());
this.contents[localContentsOffset++] = (byte) (descriptorIndex >> 8);
this.contents[localContentsOffset++] = (byte) descriptorIndex;
int resolvedPosition = localVariable.resolvedPosition;
this.contents[localContentsOffset++] = (byte) (resolvedPosition >> 8);
this.contents[localContentsOffset++] = (byte) resolvedPosition;
}
}
}
int value = numberOfEntries * 10 + 2;
this.contents[localVariableTableOffset++] = (byte) (value >> 24);
this.contents[localVariableTableOffset++] = (byte) (value >> 16);
this.contents[localVariableTableOffset++] = (byte) (value >> 8);
this.contents[localVariableTableOffset++] = (byte) value;
this.contents[localVariableTableOffset++] = (byte) (numberOfEntries >> 8);
this.contents[localVariableTableOffset] = (byte) numberOfEntries;
attributesNumber++;
final boolean currentInstanceIsGeneric =
!methodDeclarationIsStatic
&& declaringClassBinding != null
&& declaringClassBinding.typeVariables != Binding.NO_TYPE_VARIABLES;
if (genericLocalVariablesCounter != 0 || currentInstanceIsGeneric) {
// add the local variable type table attribute
numberOfGenericEntries += (currentInstanceIsGeneric ? 1 : 0);
maxOfEntries = 8 + numberOfGenericEntries * 10;
// reserve enough space
if (localContentsOffset + maxOfEntries >= this.contents.length) {
resizeContents(maxOfEntries);
}
int localVariableTypeNameIndex =
this.constantPool.literalIndex(AttributeNamesConstants.LocalVariableTypeTableName);
this.contents[localContentsOffset++] = (byte) (localVariableTypeNameIndex >> 8);
this.contents[localContentsOffset++] = (byte) localVariableTypeNameIndex;
value = numberOfGenericEntries * 10 + 2;
this.contents[localContentsOffset++] = (byte) (value >> 24);
this.contents[localContentsOffset++] = (byte) (value >> 16);
this.contents[localContentsOffset++] = (byte) (value >> 8);
this.contents[localContentsOffset++] = (byte) value;
this.contents[localContentsOffset++] = (byte) (numberOfGenericEntries >> 8);
this.contents[localContentsOffset++] = (byte) numberOfGenericEntries;
if (currentInstanceIsGeneric) {
this.contents[localContentsOffset++] = 0; // the startPC for this is always 0
this.contents[localContentsOffset++] = 0;
this.contents[localContentsOffset++] = (byte) (code_length >> 8);
this.contents[localContentsOffset++] = (byte) code_length;
nameIndex = this.constantPool.literalIndex(ConstantPool.This);
this.contents[localContentsOffset++] = (byte) (nameIndex >> 8);
this.contents[localContentsOffset++] = (byte) nameIndex;
descriptorIndex = this.constantPool.literalIndex(declaringClassBinding.genericTypeSignature());
this.contents[localContentsOffset++] = (byte) (descriptorIndex >> 8);
this.contents[localContentsOffset++] = (byte) descriptorIndex;
this.contents[localContentsOffset++] = 0;// the resolved position for this is always 0
this.contents[localContentsOffset++] = 0;
}
for (int i = 0; i < genericLocalVariablesCounter; i++) {
LocalVariableBinding localVariable = genericLocalVariables[i];
for (int j = 0; j < localVariable.initializationCount; j++) {
int startPC = localVariable.initializationPCs[j << 1];
int endPC = localVariable.initializationPCs[(j << 1) + 1];
if (startPC != endPC) {
// only entries for non zero length