private static boolean canSeeFocus(
IJavaElement focus, JavaProject javaProject, char[][][] focusQualifiedNames) {
try {
if (focus == null) return false;
if (focus.equals(javaProject)) return true;
if (focus instanceof JarPackageFragmentRoot) {
// focus is part of a jar
IPath focusPath = focus.getPath();
IClasspathEntry[] entries = javaProject.getExpandedClasspath();
for (int i = 0, length = entries.length; i < length; i++) {
IClasspathEntry entry = entries[i];
if (entry.getEntryKind() == IClasspathEntry.CPE_LIBRARY
&& entry.getPath().equals(focusPath)) return true;
}
return false;
}
// look for dependent projects
IPath focusPath = ((JavaProject) focus).getProject().getFullPath();
IClasspathEntry[] entries = javaProject.getExpandedClasspath();
for (int i = 0, length = entries.length; i < length; i++) {
IClasspathEntry entry = entries[i];
if (entry.getEntryKind() == IClasspathEntry.CPE_PROJECT
&& entry.getPath().equals(focusPath)) {
if (focusQualifiedNames
!= null) { // builder state is usable, hence use it to try to reduce project which can
// see the focus...
State projectState =
(State)
JavaModelManager.getJavaModelManager()
.getLastBuiltState(javaProject.getProject(), null);
if (projectState != null) {
Object[] values = projectState.getReferences().valueTable;
int vLength = values.length;
for (int j = 0; j < vLength; j++) {
if (values[j] == null) continue;
ReferenceCollection references = (ReferenceCollection) values[j];
if (references.includes(focusQualifiedNames, null, null)) {
return true;
}
}
return false;
}
}
return true;
}
}
return false;
} catch (JavaModelException e) {
return false;
}
}
private boolean isClasspathBroken(JavaProject jProj, boolean tryRepair) throws CoreException {
IMarker[] markers =
jProj
.getProject()
.findMarkers(IJavaModelMarker.BUILDPATH_PROBLEM_MARKER, false, IResource.DEPTH_ZERO);
for (int i = 0, l = markers.length; i < l; i++) {
if (markers[i].getAttribute(IMarker.SEVERITY, -1) == IMarker.SEVERITY_ERROR) {
if (tryRepair) {
Object code = markers[i].getAttribute(IJavaModelMarker.ID);
if (code instanceof Integer
&& ((Integer) code)
== IJavaModelStatusConstants.CP_INVALID_EXTERNAL_ANNOTATION_PATH) {
new ClasspathValidation(jProj).validate();
return isClasspathBroken(jProj, false);
}
}
return true;
}
}
return false;
}
/**
* Add a path to current java search scope or all project fragment roots if null. Use project
* resolved classpath to retrieve and store access restriction on each classpath entry. Recurse if
* dependent projects are found.
*
* @param javaProject Project used to get resolved classpath entries
* @param pathToAdd Path to add in case of single element or null if user want to add all project
* package fragment roots
* @param includeMask Mask to apply on classpath entries
* @param projectsToBeAdded Set to avoid infinite recursion
* @param visitedProjects Set to avoid adding twice the same project
* @param referringEntry Project raw entry in referring project classpath
* @throws JavaModelException May happen while getting java model info
*/
void add(
JavaProject javaProject,
IPath pathToAdd,
int includeMask,
HashSet projectsToBeAdded,
HashSet visitedProjects,
IClasspathEntry referringEntry)
throws JavaModelException {
IProject project = javaProject.getProject();
if (!project.isAccessible() || !visitedProjects.add(project)) return;
IPath projectPath = project.getFullPath();
String projectPathString = projectPath.toString();
addEnclosingProjectOrJar(projectPath);
IClasspathEntry[] entries = javaProject.getResolvedClasspath();
IJavaModel model = javaProject.getJavaModel();
JavaModelManager.PerProjectInfo perProjectInfo = javaProject.getPerProjectInfo();
for (int i = 0, length = entries.length; i < length; i++) {
IClasspathEntry entry = entries[i];
AccessRuleSet access = null;
ClasspathEntry cpEntry = (ClasspathEntry) entry;
if (referringEntry != null) {
// Add only exported entries.
// Source folder are implicitly exported.
if (!entry.isExported() && entry.getEntryKind() != IClasspathEntry.CPE_SOURCE) {
continue;
}
cpEntry = cpEntry.combineWith((ClasspathEntry) referringEntry);
// cpEntry = ((ClasspathEntry)referringEntry).combineWith(cpEntry);
}
access = cpEntry.getAccessRuleSet();
switch (entry.getEntryKind()) {
case IClasspathEntry.CPE_LIBRARY:
IClasspathEntry rawEntry = null;
Map rootPathToRawEntries = perProjectInfo.rootPathToRawEntries;
if (rootPathToRawEntries != null) {
rawEntry = (IClasspathEntry) rootPathToRawEntries.get(entry.getPath());
}
if (rawEntry == null) break;
rawKind:
switch (rawEntry.getEntryKind()) {
case IClasspathEntry.CPE_LIBRARY:
case IClasspathEntry.CPE_VARIABLE:
if ((includeMask & APPLICATION_LIBRARIES) != 0) {
IPath path = entry.getPath();
if (pathToAdd == null || pathToAdd.equals(path)) {
Object target = JavaModel.getTarget(path, false /*don't check existence*/);
if (target instanceof IFolder) // case of an external folder
path = ((IFolder) target).getFullPath();
String pathToString =
path.getDevice() == null ? path.toString() : path.toOSString();
add(
projectPath.toString(),
"",
pathToString,
false /*not a package*/,
access); //$NON-NLS-1$
addEnclosingProjectOrJar(entry.getPath());
}
}
break;
case IClasspathEntry.CPE_CONTAINER:
IClasspathContainer container =
JavaCore.getClasspathContainer(rawEntry.getPath(), javaProject);
if (container == null) break;
switch (container.getKind()) {
case IClasspathContainer.K_APPLICATION:
if ((includeMask & APPLICATION_LIBRARIES) == 0) break rawKind;
break;
case IClasspathContainer.K_SYSTEM:
case IClasspathContainer.K_DEFAULT_SYSTEM:
if ((includeMask & SYSTEM_LIBRARIES) == 0) break rawKind;
break;
default:
break rawKind;
}
IPath path = entry.getPath();
if (pathToAdd == null || pathToAdd.equals(path)) {
Object target = JavaModel.getTarget(path, false /*don't check existence*/);
if (target instanceof IFolder) // case of an external folder
path = ((IFolder) target).getFullPath();
String pathToString =
path.getDevice() == null ? path.toString() : path.toOSString();
add(
projectPath.toString(),
"",
pathToString,
false /*not a package*/,
access); //$NON-NLS-1$
addEnclosingProjectOrJar(entry.getPath());
}
break;
}
break;
case IClasspathEntry.CPE_PROJECT:
if ((includeMask & REFERENCED_PROJECTS) != 0) {
IPath path = entry.getPath();
if (pathToAdd == null || pathToAdd.equals(path)) {
JavaProject referencedProject = (JavaProject) model.getJavaProject(path.toOSString());
if (!projectsToBeAdded.contains(
referencedProject)) { // do not recurse if depending project was used to create
// the scope
add(
referencedProject,
null,
includeMask,
projectsToBeAdded,
visitedProjects,
cpEntry);
}
}
}
break;
case IClasspathEntry.CPE_SOURCE:
if ((includeMask & SOURCES) != 0) {
IPath path = entry.getPath();
if (pathToAdd == null || pathToAdd.equals(path)) {
add(
projectPath.toString(),
Util.relativePath(path, projectPath.segmentCount() /*remove project segment*/),
projectPathString,
false /*not a package*/,
access);
}
}
break;
}
}
}
@SuppressWarnings({"unchecked", "rawtypes", "nls", "restriction"})
@Override
protected boolean buildStructure(
OpenableElementInfo info, IProgressMonitor pm, Map newElements, IResource underlyingResource)
throws JavaModelException {
try {
depth.set(depth.get() + 1);
// if (!isOnBuildPath()) {
// return false;
// }
if (GroovyLogManager.manager.hasLoggers()) {
GroovyLogManager.manager.log(
TraceCategory.COMPILER, "Build Structure starting for " + this.name);
GroovyLogManager.manager.logStart(
"Build structure: " + name + " : " + Thread.currentThread().getName());
}
CompilationUnitElementInfo unitInfo = (CompilationUnitElementInfo) info;
// ensure buffer is opened
IBuffer buffer = getBufferManager().getBuffer(this);
if (buffer == null) {
openBuffer(pm, unitInfo); // open buffer independently from the
// info, since we are building the info
}
// generate structure and compute syntax problems if needed
GroovyCompilationUnitStructureRequestor requestor =
new GroovyCompilationUnitStructureRequestor(this, unitInfo, newElements);
JavaModelManager.PerWorkingCopyInfo perWorkingCopyInfo = getPerWorkingCopyInfo();
JavaProject project = (JavaProject) getJavaProject();
// determine what kind of buildStructure we are doing
boolean createAST;
int reconcileFlags;
boolean resolveBindings;
HashMap problems;
if (info instanceof ASTHolderCUInfo) {
ASTHolderCUInfo astHolder = (ASTHolderCUInfo) info;
createAST =
((Integer)
ReflectionUtils.getPrivateField(
ASTHolderCUInfo.class, "astLevel", astHolder))
.intValue()
!= NO_AST; //$NON-NLS-1$
resolveBindings =
((Boolean)
ReflectionUtils.getPrivateField(
ASTHolderCUInfo.class, "resolveBindings", astHolder))
.booleanValue();
reconcileFlags =
((Integer)
ReflectionUtils.getPrivateField(
ASTHolderCUInfo.class, "reconcileFlags", astHolder)) // $NON-NLS-1$
.intValue();
problems =
(HashMap) ReflectionUtils.getPrivateField(ASTHolderCUInfo.class, "problems", astHolder);
} else {
createAST = false;
resolveBindings = false;
reconcileFlags = 0;
problems = null;
}
boolean computeProblems =
perWorkingCopyInfo != null
&& perWorkingCopyInfo.isActive()
&& project != null
&& JavaProject.hasJavaNature(project.getProject());
IProblemFactory problemFactory = new DefaultProblemFactory();
// compiler options
Map<String, String> options =
(project == null ? JavaCore.getOptions() : project.getOptions(true));
if (!computeProblems) {
// disable task tags checking to speed up parsing
options.put(JavaCore.COMPILER_TASK_TAGS, ""); // $NON-NLS-1$
}
// FIXASC deal with the case of project==null to reduce duplication in this next line and call
// to setGroovyClasspath
// Required for Groovy, but not for Java
options.put(CompilerOptions.OPTIONG_BuildGroovyFiles, CompilerOptions.ENABLED);
CompilerOptions compilerOptions = new CompilerOptions(options);
if (project != null) {
CompilerUtils.setGroovyClasspath(compilerOptions, project);
}
// Required for Groovy, but not for Java
ProblemReporter reporter =
new ProblemReporter(
new GroovyErrorHandlingPolicy(!computeProblems),
compilerOptions,
new DefaultProblemFactory());
SourceElementParser parser =
new MultiplexingSourceElementRequestorParser(
reporter,
requestor, /*
* not needed if
* computing groovy only
*/
problemFactory,
compilerOptions,
true /* report local declarations */,
!createAST /*
* optimize string literals only if not
* creating a DOM AST
*/);
parser.reportOnlyOneSyntaxError = !computeProblems;
// maybe not needed for groovy, but I don't want to find out.
parser.setMethodsFullRecovery(true);
parser.setStatementsRecovery(
(reconcileFlags & ICompilationUnit.ENABLE_STATEMENTS_RECOVERY) != 0);
if (!computeProblems
&& !resolveBindings
&& !createAST) // disable javadoc parsing if not computing problems, not
// resolving
// and not creating ast
parser.javadocParser.checkDocComment = false;
requestor.setParser(parser);
// update timestamp (might be IResource.NULL_STAMP if original does not
// exist)
if (underlyingResource == null) {
underlyingResource = getResource();
}
// underlying resource is null in the case of a working copy on a class
// file in a jar
if (underlyingResource != null) {
ReflectionUtils.setPrivateField(
CompilationUnitElementInfo.class,
"timestamp",
unitInfo,
underlyingResource //$NON-NLS-1$
.getModificationStamp());
}
GroovyCompilationUnitDeclaration compilationUnitDeclaration = null;
CompilationUnit source = cloneCachingContents();
try {
// GROOVY
// note that this is a slightly different approach than taken by super.buildStructure
// in super.buildStructure, there is a test here to see if computeProblems is true.
// if false, then parser.parserCompilationUnit is called.
// this will not work for Groovy because we need to ensure bindings are resolved
// for many operations (content assist and code select) to work.
// So, for groovy, always use CompilationUnitProblemFinder.process and then process problems
// separately only if necessary
// addendum (GRECLIPSE-942). The testcase for that bug includes a package with 200
// types in that refer to each other in a chain, through field references. If a reconcile
// references the top of the chain we can go through a massive number of recursive calls
// into
// this buildStructure for each one. The 'full' parse (with bindings) is only required for
// the top most (regardless of the computeProblems setting) and so we track how many
// recursive
// calls we have made - if we are at depth 2 we do what JDT was going to do (the quick
// thing).
if (computeProblems || depth.get() < 2) {
if (problems == null) {
// report problems to the problem requestor
problems = new HashMap();
compilationUnitDeclaration =
(GroovyCompilationUnitDeclaration)
CompilationUnitProblemFinder.process(
source, parser, this.owner, problems, createAST, reconcileFlags, pm);
if (computeProblems) {
try {
perWorkingCopyInfo.beginReporting();
for (Iterator iteraror = problems.values().iterator(); iteraror.hasNext(); ) {
CategorizedProblem[] categorizedProblems = (CategorizedProblem[]) iteraror.next();
if (categorizedProblems == null) continue;
for (int i = 0, length = categorizedProblems.length; i < length; i++) {
perWorkingCopyInfo.acceptProblem(categorizedProblems[i]);
}
}
} finally {
perWorkingCopyInfo.endReporting();
}
}
} else {
// collect problems
compilationUnitDeclaration =
(GroovyCompilationUnitDeclaration)
CompilationUnitProblemFinder.process(
source, parser, this.owner, problems, createAST, reconcileFlags, pm);
}
} else {
compilationUnitDeclaration =
(GroovyCompilationUnitDeclaration)
parser.parseCompilationUnit(
source, true /* full parse to find local elements */, pm);
}
// GROOVY
// if this is a working copy, then we have more work to do
maybeCacheModuleNode(perWorkingCopyInfo, compilationUnitDeclaration);
// create the DOM AST from the compiler AST
if (createAST) {
org.eclipse.jdt.core.dom.CompilationUnit ast;
try {
ast =
AST.convertCompilationUnit(
AST.JLS3,
compilationUnitDeclaration,
options,
computeProblems,
source,
reconcileFlags,
pm);
ReflectionUtils.setPrivateField(ASTHolderCUInfo.class, "ast", info, ast); // $NON-NLS-1$
} catch (OperationCanceledException e) {
// catch this exception so as to not enter the catch(RuntimeException e) below
// might need to do the same for AbortCompilation
throw e;
} catch (IllegalArgumentException e) {
// if necessary, we can do some better reporting here.
Util.log(
e,
"Problem with build structure: Offset for AST node is incorrect in " //$NON-NLS-1$
+ this.getParent().getElementName()
+ "."
+ getElementName()); //$NON-NLS-1$
} catch (Exception e) {
Util.log(e, "Problem with build structure for " + this.getElementName()); // $NON-NLS-1$
}
}
} catch (OperationCanceledException e) {
// catch this exception so as to not enter the catch(RuntimeException e) below
// might need to do the same for AbortCompilation
throw e;
} catch (JavaModelException e) {
// GRECLIPSE-1480 don't log element does not exist exceptions. since this could occur when
// element is in a non-java
// project
if (e.getStatus().getCode() != IJavaModelStatusConstants.ELEMENT_DOES_NOT_EXIST
|| this.getJavaProject().exists()) {
Util.log(e, "Problem with build structure for " + this.getElementName()); // $NON-NLS-1$
}
} catch (Exception e) {
// GROOVY: The groovy compiler does not handle broken code well in many situations
// use this general catch clause so that exceptions thrown by broken code
// do not bubble up the stack.
Util.log(e, "Problem with build structure for " + this.getElementName()); // $NON-NLS-1$
} finally {
if (compilationUnitDeclaration != null) {
compilationUnitDeclaration.cleanUp();
}
}
return unitInfo.isStructureKnown();
} finally {
depth.set(depth.get() - 1);
if (GroovyLogManager.manager.hasLoggers()) {
GroovyLogManager.manager.logEnd(
"Build structure: " + name + " : " + Thread.currentThread().getName(),
TraceCategory.COMPILER);
}
}
}