/*
* Compiler crash recovery in case of unexpected runtime exceptions
*/
protected void handleInternalException(
Throwable internalException, CompilationUnitDeclaration unit, CompilationResult result) {
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 ?
boolean needToPrint = true;
if (result != null) {
/* create and record a compilation problem */
// only keep leading portion of the trace
String[] pbArguments =
new String[] {
Messages.bind(
Messages.compilation_internalError, Util.getExceptionSummary(internalException)),
};
result.record(
this.problemReporter.createProblem(
result.getFileName(),
IProblem.Unclassified,
pbArguments,
pbArguments,
Error, // severity
0, // source start
0, // source end
0, // line number
0), // column number
unit);
/* hand back the compilation result */
if (!result.hasBeenAccepted) {
this.requestor.acceptResult(result.tagAsAccepted());
needToPrint = false;
}
}
if (needToPrint) {
/* dump a stack trace to the console */
internalException.printStackTrace();
}
}
/**
* Add an additional compilation unit into the loop -> build compilation unit declarations, their
* bindings and record their results.
*/
public void accept(ICompilationUnit sourceUnit, AccessRestriction accessRestriction) {
// Switch the current policy and compilation result for this unit to the requested one.
CompilationResult unitResult =
new CompilationResult(
sourceUnit, this.totalUnits, this.totalUnits, this.options.maxProblemsPerUnit);
unitResult.checkSecondaryTypes = true;
try {
if (this.options.verbose) {
String count = String.valueOf(this.totalUnits + 1);
this.out.println(
Messages.bind(
Messages.compilation_request,
new String[] {count, count, new String(sourceUnit.getFileName())}));
}
// diet parsing for large collection of unit
CompilationUnitDeclaration parsedUnit;
if (this.totalUnits < this.parseThreshold) {
parsedUnit = this.parser.parse(sourceUnit, unitResult);
} else {
parsedUnit = this.parser.dietParse(sourceUnit, unitResult);
}
parsedUnit.bits |= ASTNode.IsImplicitUnit;
// initial type binding creation
this.lookupEnvironment.buildTypeBindings(parsedUnit, accessRestriction);
addCompilationUnit(sourceUnit, parsedUnit);
// binding resolution
this.lookupEnvironment.completeTypeBindings(parsedUnit);
} catch (AbortCompilationUnit e) {
// at this point, currentCompilationUnitResult may not be sourceUnit, but some other
// one requested further along to resolve sourceUnit.
if (unitResult.compilationUnit == sourceUnit) { // only report once
this.requestor.acceptResult(unitResult.tagAsAccepted());
} else {
throw e; // want to abort enclosing request to compile
}
}
}
/*
* 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();
}
}