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/*******************************************************************************
* Copyright (c) 2000, 2023 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
* Christoph Läubrich - Enhance the BuildContext with the discovered annotations #674
*******************************************************************************/
package org.eclipse.jdt.internal.compiler;
import java.util.ArrayList;
/**
* A compilation result consists of all information returned by the compiler for
* a single compiled compilation source unit. This includes:
*
*
the compilation unit that was compiled
*
for each type produced by compiling the compilation unit, its binary and optionally its principal structure
*
any problems (errors or warnings) produced
*
dependency info
*
*
* The principle structure and binary may be null if the compiler could not produce them.
* If neither could be produced, there is no corresponding entry for the type.
*
* The dependency info includes type references such as supertypes, field types, method
* parameter and return types, local variable types, types of intermediate expressions, etc.
* It also includes the namespaces (packages) in which names were looked up.
* It does not include finer grained dependencies such as information about
* specific fields and methods which were referenced, but does contain their
* declaring types and any other types used to locate such fields or methods.
*/
import java.util.Arrays;
import java.util.Comparator;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.eclipse.jdt.core.compiler.CategorizedProblem;
import org.eclipse.jdt.core.compiler.CharOperation;
import org.eclipse.jdt.core.compiler.IProblem;
import org.eclipse.jdt.internal.compiler.ast.AbstractMethodDeclaration;
import org.eclipse.jdt.internal.compiler.env.ICompilationUnit;
import org.eclipse.jdt.internal.compiler.impl.ReferenceContext;
import org.eclipse.jdt.internal.compiler.lookup.AnnotationBinding;
import org.eclipse.jdt.internal.compiler.lookup.SourceTypeBinding;
import org.eclipse.jdt.internal.compiler.lookup.TypeConstants;
import org.eclipse.jdt.internal.compiler.parser.RecoveryScannerData;
import org.eclipse.jdt.internal.compiler.util.Util;
@SuppressWarnings({ "rawtypes", "unchecked" })
public class CompilationResult {
public CategorizedProblem problems[];
public CategorizedProblem tasks[];
public int problemCount;
public int taskCount;
public ICompilationUnit compilationUnit;
private Map problemsMap;
private Set firstErrors;
private final int maxProblemPerUnit;
public char[][][] qualifiedReferences;
public char[][] simpleNameReferences;
public char[][] rootReferences;
public boolean hasAnnotations = false;
public boolean hasFunctionalTypes = false;
public int lineSeparatorPositions[];
public RecoveryScannerData recoveryScannerData;
public Map compiledTypes = new Hashtable(11);
public int unitIndex, totalUnitsKnown;
public boolean hasBeenAccepted = false;
public char[] fileName;
public boolean hasInconsistentToplevelHierarchies = false; // record the fact some toplevel types have inconsistent hierarchies
public boolean hasSyntaxError = false;
public char[][] packageName;
public boolean checkSecondaryTypes = false; // check for secondary types which were created after the initial buildTypeBindings call
private int numberOfErrors;
private boolean hasMandatoryErrors;
public List annotations = new ArrayList<>(1);
private List scheduledProblems;
private static final int[] EMPTY_LINE_ENDS = Util.EMPTY_INT_ARRAY;
private static final Comparator PROBLEM_COMPARATOR = new Comparator() {
@Override
public int compare(Object o1, Object o2) {
return ((CategorizedProblem) o1).getSourceStart() - ((CategorizedProblem) o2).getSourceStart();
}
};
public CompilationResult(char[] fileName, int unitIndex, int totalUnitsKnown, int maxProblemPerUnit){
this.fileName = fileName;
this.unitIndex = unitIndex;
this.totalUnitsKnown = totalUnitsKnown;
this.maxProblemPerUnit = maxProblemPerUnit;
}
public CompilationResult(ICompilationUnit compilationUnit, int unitIndex, int totalUnitsKnown, int maxProblemPerUnit){
this.fileName = compilationUnit.getFileName();
this.compilationUnit = compilationUnit;
this.unitIndex = unitIndex;
this.totalUnitsKnown = totalUnitsKnown;
this.maxProblemPerUnit = maxProblemPerUnit;
}
private int computePriority(CategorizedProblem problem){
final int P_STATIC = 10000;
final int P_OUTSIDE_METHOD = 40000;
final int P_FIRST_ERROR = 20000;
final int P_ERROR = 100000;
int priority = 10000 - problem.getSourceLineNumber(); // early problems first
if (priority < 0) priority = 0;
if (problem.isError()){
priority += P_ERROR;
}
ReferenceContext context = this.problemsMap == null ? null : this.problemsMap.get(problem);
if (context != null){
if (context instanceof AbstractMethodDeclaration){
AbstractMethodDeclaration method = (AbstractMethodDeclaration) context;
if (method.isStatic()) {
priority += P_STATIC;
}
} else {
priority += P_OUTSIDE_METHOD;
}
if (this.firstErrors.contains(problem)){ // if context is null, firstErrors is null too
priority += P_FIRST_ERROR;
}
} else {
priority += P_OUTSIDE_METHOD;
}
return priority;
}
public CategorizedProblem[] getAllProblems() {
CategorizedProblem[] onlyProblems = getProblems();
int onlyProblemCount = onlyProblems != null ? onlyProblems.length : 0;
CategorizedProblem[] onlyTasks = getTasks();
int onlyTaskCount = onlyTasks != null ? onlyTasks.length : 0;
if (onlyTaskCount == 0) {
return onlyProblems;
}
if (onlyProblemCount == 0) {
return onlyTasks;
}
int totalNumberOfProblem = onlyProblemCount + onlyTaskCount;
CategorizedProblem[] allProblems = new CategorizedProblem[totalNumberOfProblem];
int allProblemIndex = 0;
int taskIndex = 0;
int problemIndex = 0;
while (taskIndex + problemIndex < totalNumberOfProblem) {
CategorizedProblem nextTask = null;
CategorizedProblem nextProblem = null;
if (taskIndex < onlyTaskCount) {
nextTask = onlyTasks[taskIndex];
}
if (problemIndex < onlyProblemCount) {
nextProblem = onlyProblems[problemIndex];
}
// select the next problem
CategorizedProblem currentProblem = null;
if (nextProblem != null) {
if (nextTask != null) {
if (nextProblem.getSourceStart() < nextTask.getSourceStart()) {
currentProblem = nextProblem;
problemIndex++;
} else {
currentProblem = nextTask;
taskIndex++;
}
} else {
currentProblem = nextProblem;
problemIndex++;
}
} else {
if (nextTask != null) {
currentProblem = nextTask;
taskIndex++;
}
}
allProblems[allProblemIndex++] = currentProblem;
}
return allProblems;
}
public ClassFile[] getClassFiles() {
ClassFile[] classFiles = new ClassFile[this.compiledTypes.size()];
this.compiledTypes.values().toArray(classFiles);
return classFiles;
}
/**
* Answer the initial compilation unit corresponding to the present compilation result
*/
public ICompilationUnit getCompilationUnit(){
return this.compilationUnit;
}
/**
* Answer the errors encountered during compilation.
*/
public CategorizedProblem[] getErrors() {
CategorizedProblem[] reportedProblems = getProblems();
int errorCount = 0;
for (int i = 0; i < this.problemCount; i++) {
if (reportedProblems[i].isError()) errorCount++;
}
if (errorCount == this.problemCount) return reportedProblems;
CategorizedProblem[] errors = new CategorizedProblem[errorCount];
int index = 0;
for (int i = 0; i < this.problemCount; i++) {
if (reportedProblems[i].isError()) errors[index++] = reportedProblems[i];
}
return errors;
}
/**
* Answer the initial file name
*/
public char[] getFileName(){
return this.fileName;
}
public int[] getLineSeparatorPositions() {
return this.lineSeparatorPositions == null ? CompilationResult.EMPTY_LINE_ENDS : this.lineSeparatorPositions;
}
/**
* Answer the problems (errors and warnings) encountered during compilation.
*
* This is not a compiler internal API - it has side-effects !
* It is intended to be used only once all problems have been detected,
* and makes sure the problems slot as the exact size of the number of
* problems.
*/
public CategorizedProblem[] getProblems() {
// Re-adjust the size of the problems if necessary.
if (this.problems != null) {
if (this.problemCount != this.problems.length) {
System.arraycopy(this.problems, 0, (this.problems = new CategorizedProblem[this.problemCount]), 0, this.problemCount);
}
if (this.maxProblemPerUnit > 0 && this.problemCount > this.maxProblemPerUnit){
quickPrioritize(this.problems, 0, this.problemCount - 1);
this.problemCount = this.maxProblemPerUnit;
System.arraycopy(this.problems, 0, (this.problems = new CategorizedProblem[this.problemCount]), 0, this.problemCount);
}
// Stable sort problems per source positions.
Arrays.sort(this.problems, 0, this.problems.length, CompilationResult.PROBLEM_COMPARATOR);
//quickSort(problems, 0, problems.length-1);
}
return this.problems;
}
/**
* Same as getProblems() but don't answer problems that actually concern the enclosing package.
*/
public CategorizedProblem[] getCUProblems() {
// Re-adjust the size of the problems if necessary and filter package problems
if (this.problems != null) {
CategorizedProblem[] filteredProblems = new CategorizedProblem[this.problemCount];
int keep = 0;
for (int i=0; i< this.problemCount; i++) {
CategorizedProblem problem = this.problems[i];
if (problem.getID() != IProblem.MissingNonNullByDefaultAnnotationOnPackage) {
filteredProblems[keep++] = problem;
} else if (this.compilationUnit != null) {
if (CharOperation.equals(this.compilationUnit.getMainTypeName(), TypeConstants.PACKAGE_INFO_NAME)) {
filteredProblems[keep++] = problem;
}
}
}
if (keep < this.problemCount) {
System.arraycopy(filteredProblems, 0, filteredProblems = new CategorizedProblem[keep], 0, keep);
this.problemCount = keep;
}
this.problems = filteredProblems;
if (this.maxProblemPerUnit > 0 && this.problemCount > this.maxProblemPerUnit){
quickPrioritize(this.problems, 0, this.problemCount - 1);
this.problemCount = this.maxProblemPerUnit;
System.arraycopy(this.problems, 0, (this.problems = new CategorizedProblem[this.problemCount]), 0, this.problemCount);
}
// Stable sort problems per source positions.
Arrays.sort(this.problems, 0, this.problems.length, CompilationResult.PROBLEM_COMPARATOR);
//quickSort(problems, 0, problems.length-1);
}
return this.problems;
}
/**
* Answer the tasks (TO-DO, ...) encountered during compilation.
*
* This is not a compiler internal API - it has side-effects !
* It is intended to be used only once all problems have been detected,
* and makes sure the problems slot as the exact size of the number of
* problems.
*/
public CategorizedProblem[] getTasks() {
// Re-adjust the size of the tasks if necessary.
if (this.tasks != null) {
if (this.taskCount != this.tasks.length) {
System.arraycopy(this.tasks, 0, (this.tasks = new CategorizedProblem[this.taskCount]), 0, this.taskCount);
}
// Stable sort problems per source positions.
Arrays.sort(this.tasks, 0, this.tasks.length, CompilationResult.PROBLEM_COMPARATOR);
//quickSort(tasks, 0, tasks.length-1);
}
return this.tasks;
}
public boolean hasErrors() {
return this.numberOfErrors != 0;
}
public boolean hasMandatoryErrors() {
return this.hasMandatoryErrors;
}
public boolean hasProblems() {
return this.problemCount != 0;
}
public boolean hasTasks() {
return this.taskCount != 0;
}
public boolean hasWarnings() {
if (this.problems != null)
for (int i = 0; i < this.problemCount; i++) {
if (this.problems[i].isWarning())
return true;
}
return false;
}
private void quickPrioritize(CategorizedProblem[] problemList, int left, int right) {
if (left >= right) return;
// sort the problems by their priority... starting with the highest priority
int original_left = left;
int original_right = right;
int mid = computePriority(problemList[left + (right - left) / 2]);
do {
while (computePriority(problemList[right]) < mid)
right--;
while (mid < computePriority(problemList[left]))
left++;
if (left <= right) {
CategorizedProblem tmp = problemList[left];
problemList[left] = problemList[right];
problemList[right] = tmp;
left++;
right--;
}
} while (left <= right);
if (original_left < right)
quickPrioritize(problemList, original_left, right);
if (left < original_right)
quickPrioritize(problemList, left, original_right);
}
/*
* Record the compilation unit result's package name
*/
public void recordPackageName(char[][] packName) {
this.packageName = packName;
}
public void record(CategorizedProblem newProblem, ReferenceContext referenceContext) {
record(newProblem, referenceContext, true);
return;
}
public void record(CategorizedProblem newProblem, ReferenceContext referenceContext, boolean mandatoryError) {
//new Exception("VERBOSE PROBLEM REPORTING").printStackTrace();
if(newProblem.getID() == IProblem.Task) {
recordTask(newProblem);
return;
}
if (this.problemCount == 0) {
this.problems = new CategorizedProblem[5];
} else if (this.problemCount == this.problems.length) {
System.arraycopy(this.problems, 0, (this.problems = new CategorizedProblem[this.problemCount * 2]), 0, this.problemCount);
}
this.problems[this.problemCount++] = newProblem;
if (referenceContext != null){
if (this.problemsMap == null) this.problemsMap = new HashMap(5);
if (this.firstErrors == null) this.firstErrors = new HashSet(5);
if (newProblem.isError() && !referenceContext.hasErrors()) this.firstErrors.add(newProblem);
this.problemsMap.put(newProblem, referenceContext);
}
if (newProblem.isError()) {
this.numberOfErrors++;
if (mandatoryError) this.hasMandatoryErrors = true;
if ((newProblem.getID() & IProblem.Syntax) != 0) {
this.hasSyntaxError = true;
}
}
}
ReferenceContext getContext(CategorizedProblem problem) {
if (problem != null) {
return this.problemsMap.get(problem);
}
return null;
}
/**
* For now, remember the compiled type using its compound name.
*/
public void record(char[] typeName, ClassFile classFile) {
SourceTypeBinding sourceType = classFile.referenceBinding;
if (sourceType != null && !sourceType.isLocalType() && sourceType.isHierarchyInconsistent()) {
this.hasInconsistentToplevelHierarchies = true;
}
this.compiledTypes.put(typeName, classFile);
}
private void recordTask(CategorizedProblem newProblem) {
if (this.taskCount == 0) {
this.tasks = new CategorizedProblem[5];
} else if (this.taskCount == this.tasks.length) {
System.arraycopy(this.tasks, 0, (this.tasks = new CategorizedProblem[this.taskCount * 2]), 0, this.taskCount);
}
this.tasks[this.taskCount++] = newProblem;
}
public void removeProblem(CategorizedProblem problem) {
if (this.problemsMap != null) this.problemsMap.remove(problem);
if (this.firstErrors != null) this.firstErrors.remove(problem);
if (problem.isError()) {
this.numberOfErrors--;
}
this.problemCount--;
}
public CompilationResult tagAsAccepted(){
this.hasBeenAccepted = true;
this.problemsMap = null; // flush
this.firstErrors = null; // flush
return this;
}
@Override
public String toString(){
StringBuilder buffer = new StringBuilder();
if (this.fileName != null){
buffer.append("Filename : ").append(this.fileName).append('\n'); //$NON-NLS-1$
}
if (this.compiledTypes != null){
buffer.append("COMPILED type(s) \n"); //$NON-NLS-1$
Iterator keys = this.compiledTypes.keySet().iterator();
while (keys.hasNext()) {
char[] typeName = (char[]) keys.next();
buffer.append("\t - ").append(typeName).append('\n'); //$NON-NLS-1$
}
} else {
buffer.append("No COMPILED type\n"); //$NON-NLS-1$
}
if (this.problems != null){
buffer.append(this.problemCount).append(" PROBLEM(s) detected \n"); //$NON-NLS-1$
for (int i = 0; i < this.problemCount; i++){
buffer.append("\t - ").append(this.problems[i]).append('\n'); //$NON-NLS-1$
}
} else {
buffer.append("No PROBLEM\n"); //$NON-NLS-1$
}
return buffer.toString();
}
public void scheduleProblem(Runnable task) {
if (this.scheduledProblems == null)
this.scheduledProblems = new ArrayList<>();
this.scheduledProblems.add(task);
}
public void materializeProblems() {
if (this.scheduledProblems != null) {
for (Runnable task : this.scheduledProblems) {
task.run();
}
}
}
}
