/**
* Add the initial set of compilation units into the loop -> build compilation unit declarations,
* their bindings and record their results.
*/
protected void internalBeginToCompile(ICompilationUnit[] sourceUnits, int maxUnits) {
if (!this.useSingleThread && maxUnits >= ReadManager.THRESHOLD)
this.parser.readManager = new ReadManager(sourceUnits, maxUnits);
// Switch the current policy and compilation result for this unit to the requested one.
for (int i = 0; i < maxUnits; i++) {
CompilationResult unitResult = null;
try {
if (this.options.verbose) {
this.out.println(
Messages.bind(
Messages.compilation_request,
new String[] {
String.valueOf(i + 1),
String.valueOf(maxUnits),
new String(sourceUnits[i].getFileName())
}));
}
// diet parsing for large collection of units
CompilationUnitDeclaration parsedUnit;
unitResult =
new CompilationResult(sourceUnits[i], i, maxUnits, this.options.maxProblemsPerUnit);
long parseStart = System.currentTimeMillis();
if (this.totalUnits < this.parseThreshold) {
parsedUnit = this.parser.parse(sourceUnits[i], unitResult);
} else {
parsedUnit = this.parser.dietParse(sourceUnits[i], unitResult);
}
long resolveStart = System.currentTimeMillis();
this.stats.parseTime += resolveStart - parseStart;
// initial type binding creation
this.lookupEnvironment.buildTypeBindings(parsedUnit, null /*no access restriction*/);
this.stats.resolveTime += System.currentTimeMillis() - resolveStart;
addCompilationUnit(sourceUnits[i], parsedUnit);
ImportReference currentPackage = parsedUnit.currentPackage;
if (currentPackage != null) {
unitResult.recordPackageName(currentPackage.tokens);
}
// } catch (AbortCompilationUnit e) {
// requestor.acceptResult(unitResult.tagAsAccepted());
} catch (AbortCompilation a) {
// best effort to find a way for reporting this problem:
if (a.compilationResult == null) a.compilationResult = unitResult;
throw a;
} finally {
sourceUnits[i] = null; // no longer hold onto the unit
}
}
if (this.parser.readManager != null) {
this.parser.readManager.shutdown();
this.parser.readManager = null;
}
// binding resolution
this.lookupEnvironment.completeTypeBindings();
}
/*
* Compiler recovery in case of internal AbortCompilation event
*/
protected void handleInternalException(
AbortCompilation abortException, CompilationUnitDeclaration unit) {
/* special treatment for SilentAbort: silently cancelling the compilation process */
if (abortException.isSilent) {
if (abortException.silentException == null) {
return;
}
throw abortException.silentException;
}
/* uncomment following line to see where the abort came from */
// abortException.printStackTrace();
// Exception may tell which compilation result it is related, and which problem caused it
CompilationResult result = abortException.compilationResult;
if (result == null && unit != null) {
result = unit.compilationResult; // current unit being processed ?
}
// Lookup environment may be in middle of connecting types
if (result == null && this.lookupEnvironment.unitBeingCompleted != null) {
result = this.lookupEnvironment.unitBeingCompleted.compilationResult;
}
if (result == null) {
synchronized (this) {
if (this.unitsToProcess != null && this.totalUnits > 0)
result = this.unitsToProcess[this.totalUnits - 1].compilationResult;
}
}
// last unit in beginToCompile ?
if (result != null && !result.hasBeenAccepted) {
/* distant problem which could not be reported back there? */
if (abortException.problem != null) {
recordDistantProblem:
{
CategorizedProblem distantProblem = abortException.problem;
CategorizedProblem[] knownProblems = result.problems;
for (int i = 0; i < result.problemCount; i++) {
if (knownProblems[i] == distantProblem) { // already recorded
break recordDistantProblem;
}
}
if (distantProblem
instanceof
DefaultProblem) { // fixup filename TODO (philippe) should improve API to make this
// official
((DefaultProblem) distantProblem).setOriginatingFileName(result.getFileName());
}
result.record(distantProblem, unit);
}
} else {
/* distant internal exception which could not be reported back there */
if (abortException.exception != null) {
this.handleInternalException(abortException.exception, null, result);
return;
}
}
/* hand back the compilation result */
if (!result.hasBeenAccepted) {
this.requestor.acceptResult(result.tagAsAccepted());
}
} else {
abortException.printStackTrace();
}
}
public IJavaElement[] getVisibleElements(String typeSignature) {
if (this.assistScope == null) return new IJavaElement[0];
if (!this.hasComputedVisibleElementBindings) {
computeVisibleElementBindings();
}
TypeBinding assignableTypeBinding = null;
if (typeSignature != null) {
assignableTypeBinding = getTypeFromSignature(typeSignature, this.assistScope);
if (assignableTypeBinding == null) return new IJavaElement[0];
}
int length =
this.visibleLocalVariables.size() + this.visibleFields.size() + this.visibleMethods.size();
if (length == 0) return new IJavaElement[0];
IJavaElement[] result = new IJavaElement[length];
int elementCount = 0;
int size = this.visibleLocalVariables.size();
if (size > 0) {
next:
for (int i = 0; i < size; i++) {
try {
LocalVariableBinding binding =
(LocalVariableBinding) this.visibleLocalVariables.elementAt(i);
if (binding.type == null
|| (assignableTypeBinding != null
&& !binding.type.isCompatibleWith(assignableTypeBinding))) continue next;
JavaElement localVariable = getJavaElement(binding);
if (localVariable != null) result[elementCount++] = localVariable;
} catch (AbortCompilation e) {
// log the exception and proceed
Util.logRepeatedMessage(e.getKey(), e);
}
}
}
size = this.visibleFields.size();
if (size > 0) {
next:
for (int i = 0; i < size; i++) {
try {
FieldBinding binding = (FieldBinding) this.visibleFields.elementAt(i);
if (assignableTypeBinding != null
&& !binding.type.isCompatibleWith(assignableTypeBinding)) continue next;
if (this.assistScope.isDefinedInSameUnit(binding.declaringClass)) {
JavaElement field = getJavaElementOfCompilationUnit(binding);
if (field != null) result[elementCount++] = field;
} else {
JavaElement field = Util.getUnresolvedJavaElement(binding, this.owner, EmptyNodeMap);
if (field != null) result[elementCount++] = field.resolved(binding);
}
} catch (AbortCompilation e) {
// log the exception and proceed
Util.logRepeatedMessage(e.getKey(), e);
}
}
}
size = this.visibleMethods.size();
if (size > 0) {
next:
for (int i = 0; i < size; i++) {
try {
MethodBinding binding = (MethodBinding) this.visibleMethods.elementAt(i);
if (assignableTypeBinding != null
&& !binding.returnType.isCompatibleWith(assignableTypeBinding)) continue next;
if (this.assistScope.isDefinedInSameUnit(binding.declaringClass)) {
JavaElement method = getJavaElementOfCompilationUnit(binding);
if (method != null) result[elementCount++] = method;
} else {
JavaElement method = Util.getUnresolvedJavaElement(binding, this.owner, EmptyNodeMap);
if (method != null) result[elementCount++] = method.resolved(binding);
}
} catch (AbortCompilation e) {
// log the exception and proceed
Util.logRepeatedMessage(e.getKey(), e);
}
}
}
if (elementCount != result.length) {
System.arraycopy(result, 0, result = new IJavaElement[elementCount], 0, elementCount);
}
return result;
}