/*******************************************************************************
* Copyright (c) 2000, 2009 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jdt.internal.compiler;
import java.io.PrintWriter;
import java.util.Map;
import org.eclipse.jdt.core.compiler.CategorizedProblem;
import org.eclipse.jdt.core.compiler.CompilationProgress;
import org.eclipse.jdt.core.compiler.IProblem;
import org.eclipse.jdt.internal.compiler.ast.ASTNode;
import org.eclipse.jdt.internal.compiler.ast.CompilationUnitDeclaration;
import org.eclipse.jdt.internal.compiler.ast.ImportReference;
import org.eclipse.jdt.internal.compiler.env.AccessRestriction;
import org.eclipse.jdt.internal.compiler.env.IBinaryType;
import org.eclipse.jdt.internal.compiler.env.ICompilationUnit;
import org.eclipse.jdt.internal.compiler.env.INameEnvironment;
import org.eclipse.jdt.internal.compiler.env.ISourceType;
import org.eclipse.jdt.internal.compiler.impl.CompilerOptions;
import org.eclipse.jdt.internal.compiler.impl.CompilerStats;
import org.eclipse.jdt.internal.compiler.impl.ITypeRequestor;
import org.eclipse.jdt.internal.compiler.lookup.LookupEnvironment;
import org.eclipse.jdt.internal.compiler.lookup.PackageBinding;
import org.eclipse.jdt.internal.compiler.lookup.ReferenceBinding;
import org.eclipse.jdt.internal.compiler.lookup.SourceTypeCollisionException;
import org.eclipse.jdt.internal.compiler.parser.Parser;
import org.eclipse.jdt.internal.compiler.problem.AbortCompilation;
import org.eclipse.jdt.internal.compiler.problem.AbortCompilationUnit;
import org.eclipse.jdt.internal.compiler.problem.DefaultProblem;
import org.eclipse.jdt.internal.compiler.problem.ProblemReporter;
import org.eclipse.jdt.internal.compiler.problem.ProblemSeverities;
import org.eclipse.jdt.internal.compiler.util.Messages;
import org.eclipse.jdt.internal.compiler.util.Util;
public class Compiler implements ITypeRequestor, ProblemSeverities {
public Parser parser;
public ICompilerRequestor requestor;
public CompilerOptions options;
public ProblemReporter problemReporter;
protected PrintWriter out; // output for messages that are not sent to problemReporter
public CompilerStats stats;
public CompilationProgress progress;
public int remainingIterations= 1;
// management of unit to be processed
//public CompilationUnitResult currentCompilationUnitResult;
public CompilationUnitDeclaration[] unitsToProcess;
public int totalUnits; // (totalUnits-1) gives the last unit in unitToProcess
// name lookup
public LookupEnvironment lookupEnvironment;
// ONCE STABILIZED, THESE SHOULD RETURN TO A FINAL FIELD
public static boolean DEBUG= false;
public int parseThreshold= -1;
public AbstractAnnotationProcessorManager annotationProcessorManager;
public int annotationProcessorStartIndex= 0;
public ReferenceBinding[] referenceBindings;
public boolean useSingleThread= true; // by default the compiler will not use worker threads to read/process/write
// number of initial units parsed at once (-1: none)
/*
* Static requestor reserved to listening compilation results in debug mode,
* so as for example to monitor compiler activity independantly from a particular
* builder implementation. It is reset at the end of compilation, and should not
* persist any information after having been reset.
*/
public static IDebugRequestor DebugRequestor= null;
/**
* Answer a new compiler using the given name environment and compiler options. The environment
* and options will be in effect for the lifetime of the compiler. When the compiler is run,
* compilation results are sent to the given requestor.
*
* @param environment org.eclipse.jdt.internal.compiler.api.env.INameEnvironment Environment
* used by the compiler in order to resolve type and package names. The name
* environment implements the actual connection of the compiler to the outside world
* (e.g. in batch mode the name environment is performing pure file accesses, reuse
* previous build state or connection to repositories). Note: the name environment is
* responsible for implementing the actual classpath rules.
*
* @param policy org.eclipse.jdt.internal.compiler.api.problem.IErrorHandlingPolicy Configurable
* part for problem handling, allowing the compiler client to specify the rules for
* handling problems (stop on first error or accumulate them all) and at the same
* time perform some actions such as opening a dialog in UI when compiling
* interactively.
* @see org.eclipse.jdt.internal.compiler.DefaultErrorHandlingPolicies
*
* @param settings java.util.Map The settings that control the compiler behavior.
*
* @param requestor org.eclipse.jdt.internal.compiler.api.ICompilerRequestor Component which
* will receive and persist all compilation results and is intended to consume them
* as they are produced. Typically, in a batch compiler, it is responsible for
* writing out the actual .class files to the file system.
* @see org.eclipse.jdt.internal.compiler.CompilationResult
*
* @param problemFactory org.eclipse.jdt.internal.compiler.api.problem.IProblemFactory Factory
* used inside the compiler to create problem descriptors. It allows the compiler
* client to supply its own representation of compilation problems in order to avoid
* object conversions. Note that the factory is not supposed to accumulate the
* created problems, the compiler will gather them all and hand them back as part of
* the compilation unit result.
*
* @deprecated this constructor is kept to preserve 3.1 and 3.2M4 compatibility
*/
public Compiler(
INameEnvironment environment,
IErrorHandlingPolicy policy,
Map settings,
final ICompilerRequestor requestor,
IProblemFactory problemFactory) {
this(environment, policy, new CompilerOptions(settings), requestor, problemFactory, null /* printwriter */, null /* progress */);
}
/**
* Answer a new compiler using the given name environment and compiler options. The environment
* and options will be in effect for the lifetime of the compiler. When the compiler is run,
* compilation results are sent to the given requestor.
*
* @param environment org.eclipse.jdt.internal.compiler.api.env.INameEnvironment Environment
* used by the compiler in order to resolve type and package names. The name
* environment implements the actual connection of the compiler to the outside world
* (e.g. in batch mode the name environment is performing pure file accesses, reuse
* previous build state or connection to repositories). Note: the name environment is
* responsible for implementing the actual classpath rules.
*
* @param policy org.eclipse.jdt.internal.compiler.api.problem.IErrorHandlingPolicy Configurable
* part for problem handling, allowing the compiler client to specify the rules for
* handling problems (stop on first error or accumulate them all) and at the same
* time perform some actions such as opening a dialog in UI when compiling
* interactively.
* @see org.eclipse.jdt.internal.compiler.DefaultErrorHandlingPolicies
*
* @param settings java.util.Map The settings that control the compiler behavior.
*
* @param requestor org.eclipse.jdt.internal.compiler.api.ICompilerRequestor Component which
* will receive and persist all compilation results and is intended to consume them
* as they are produced. Typically, in a batch compiler, it is responsible for
* writing out the actual .class files to the file system.
* @see org.eclipse.jdt.internal.compiler.CompilationResult
*
* @param problemFactory org.eclipse.jdt.internal.compiler.api.problem.IProblemFactory Factory
* used inside the compiler to create problem descriptors. It allows the compiler
* client to supply its own representation of compilation problems in order to avoid
* object conversions. Note that the factory is not supposed to accumulate the
* created problems, the compiler will gather them all and hand them back as part of
* the compilation unit result.
*
* @param parseLiteralExpressionsAsConstants <code>boolean</code> This parameter is used to
* optimize the literals or leave them as they are in the source. If you put true,
* "Hello" + " world" will be converted to "Hello world".
*
* @deprecated this constructor is kept to preserve 3.1 and 3.2M4 compatibility
*/
public Compiler(
INameEnvironment environment,
IErrorHandlingPolicy policy,
Map settings,
final ICompilerRequestor requestor,
IProblemFactory problemFactory,
boolean parseLiteralExpressionsAsConstants) {
this(environment, policy, new CompilerOptions(settings, parseLiteralExpressionsAsConstants), requestor, problemFactory, null /* printwriter */, null /* progress */);
}
/**
* Answer a new compiler using the given name environment and compiler options. The environment
* and options will be in effect for the lifetime of the compiler. When the compiler is run,
* compilation results are sent to the given requestor.
*
* @param environment org.eclipse.jdt.internal.compiler.api.env.INameEnvironment Environment
* used by the compiler in order to resolve type and package names. The name
* environment implements the actual connection of the compiler to the outside world
* (e.g. in batch mode the name environment is performing pure file accesses, reuse
* previous build state or connection to repositories). Note: the name environment is
* responsible for implementing the actual classpath rules.
*
* @param policy org.eclipse.jdt.internal.compiler.api.problem.IErrorHandlingPolicy Configurable
* part for problem handling, allowing the compiler client to specify the rules for
* handling problems (stop on first error or accumulate them all) and at the same
* time perform some actions such as opening a dialog in UI when compiling
* interactively.
* @see org.eclipse.jdt.internal.compiler.DefaultErrorHandlingPolicies
*
* @param options org.eclipse.jdt.internal.compiler.impl.CompilerOptions The options that
* control the compiler behavior.
*
* @param requestor org.eclipse.jdt.internal.compiler.api.ICompilerRequestor Component which
* will receive and persist all compilation results and is intended to consume them
* as they are produced. Typically, in a batch compiler, it is responsible for
* writing out the actual .class files to the file system.
* @see org.eclipse.jdt.internal.compiler.CompilationResult
*
* @param problemFactory org.eclipse.jdt.internal.compiler.api.problem.IProblemFactory Factory
* used inside the compiler to create problem descriptors. It allows the compiler
* client to supply its own representation of compilation problems in order to avoid
* object conversions. Note that the factory is not supposed to accumulate the
* created problems, the compiler will gather them all and hand them back as part of
* the compilation unit result.
*/
public Compiler(
INameEnvironment environment,
IErrorHandlingPolicy policy,
CompilerOptions options,
final ICompilerRequestor requestor,
IProblemFactory problemFactory) {
this(environment, policy, options, requestor, problemFactory, null /* printwriter */, null /* progress */);
}
/**
* Answer a new compiler using the given name environment and compiler options. The environment
* and options will be in effect for the lifetime of the compiler. When the compiler is run,
* compilation results are sent to the given requestor.
*
* @param environment org.eclipse.jdt.internal.compiler.api.env.INameEnvironment Environment
* used by the compiler in order to resolve type and package names. The name
* environment implements the actual connection of the compiler to the outside world
* (e.g. in batch mode the name environment is performing pure file accesses, reuse
* previous build state or connection to repositories). Note: the name environment is
* responsible for implementing the actual classpath rules.
*
* @param policy org.eclipse.jdt.internal.compiler.api.problem.IErrorHandlingPolicy Configurable
* part for problem handling, allowing the compiler client to specify the rules for
* handling problems (stop on first error or accumulate them all) and at the same
* time perform some actions such as opening a dialog in UI when compiling
* interactively.
* @see org.eclipse.jdt.internal.compiler.DefaultErrorHandlingPolicies
*
* @param options org.eclipse.jdt.internal.compiler.impl.CompilerOptions The options that
* control the compiler behavior.
*
* @param requestor org.eclipse.jdt.internal.compiler.api.ICompilerRequestor Component which
* will receive and persist all compilation results and is intended to consume them
* as they are produced. Typically, in a batch compiler, it is responsible for
* writing out the actual .class files to the file system.
* @see org.eclipse.jdt.internal.compiler.CompilationResult
*
* @param problemFactory org.eclipse.jdt.internal.compiler.api.problem.IProblemFactory Factory
* used inside the compiler to create problem descriptors. It allows the compiler
* client to supply its own representation of compilation problems in order to avoid
* object conversions. Note that the factory is not supposed to accumulate the
* created problems, the compiler will gather them all and hand them back as part of
* the compilation unit result.
* @deprecated
*/
public Compiler(
INameEnvironment environment,
IErrorHandlingPolicy policy,
CompilerOptions options,
final ICompilerRequestor requestor,
IProblemFactory problemFactory,
PrintWriter out) {
this(environment, policy, options, requestor, problemFactory, out, null /* progress */);
}
public Compiler(
INameEnvironment environment,
IErrorHandlingPolicy policy,
CompilerOptions options,
final ICompilerRequestor requestor,
IProblemFactory problemFactory,
PrintWriter out,
CompilationProgress progress) {
this.options= options;
this.progress= progress;
// wrap requestor in DebugRequestor if one is specified
if (DebugRequestor == null) {
this.requestor= requestor;
} else {
this.requestor= new ICompilerRequestor() {
public void acceptResult(CompilationResult result) {
if (DebugRequestor.isActive()) {
DebugRequestor.acceptDebugResult(result);
}
requestor.acceptResult(result);
}
};
}
this.problemReporter= new ProblemReporter(policy, this.options, problemFactory);
this.lookupEnvironment= new LookupEnvironment(this, this.options, this.problemReporter, environment);
this.out= out == null ? new PrintWriter(System.out, true) : out;
this.stats= new CompilerStats();
initializeParser();
}
/**
* Add an additional binary type
*/
public void accept(IBinaryType binaryType, PackageBinding packageBinding, AccessRestriction accessRestriction) {
if (this.options.verbose) {
this.out.println(
Messages.bind(Messages.compilation_loadBinary, new String(binaryType.getName())));
// new Exception("TRACE BINARY").printStackTrace(System.out);
// System.out.println();
}
this.lookupEnvironment.createBinaryTypeFrom(binaryType, packageBinding, accessRestriction);
}
/**
* 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
}
}
}
/**
* Add additional source types
*/
public void accept(ISourceType[] sourceTypes, PackageBinding packageBinding, AccessRestriction accessRestriction) {
this.problemReporter.abortDueToInternalError(
Messages.bind(Messages.abort_againstSourceModel, new String[] { String.valueOf(sourceTypes[0].getName()), String.valueOf(sourceTypes[0].getFileName()) }));
}
protected synchronized void addCompilationUnit(
ICompilationUnit sourceUnit,
CompilationUnitDeclaration parsedUnit) {
// append the unit to the list of ones to process later on
int size= this.unitsToProcess.length;
if (this.totalUnits == size)
// when growing reposition units starting at position 0
System.arraycopy(
this.unitsToProcess,
0,
(this.unitsToProcess= new CompilationUnitDeclaration[size * 2]),
0,
this.totalUnits);
this.unitsToProcess[this.totalUnits++]= parsedUnit;
}
/**
* Add the initial set of compilation units into the loop -> build compilation unit
* declarations, their bindings and record their results.
*/
protected void beginToCompile(ICompilationUnit[] sourceUnits) {
int maxUnits= sourceUnits.length;
this.totalUnits= 0;
this.unitsToProcess= new CompilationUnitDeclaration[maxUnits];
internalBeginToCompile(sourceUnits, maxUnits);
}
/**
* Checks whether the compilation has been canceled and reports the given progress to the
* compiler progress.
*/
protected void reportProgress(String taskDecription) {
if (this.progress != null) {
if (this.progress.isCanceled()) {
// Only AbortCompilation can stop the compiler cleanly.
// We check cancellation again following the call to compile.
throw new AbortCompilation(true, null);
}
this.progress.setTaskName(taskDecription);
}
}
/**
* Checks whether the compilation has been canceled and reports the given work increment to the
* compiler progress.
*/
protected void reportWorked(int workIncrement, int currentUnitIndex) {
if (this.progress != null) {
if (this.progress.isCanceled()) {
// Only AbortCompilation can stop the compiler cleanly.
// We check cancellation again following the call to compile.
throw new AbortCompilation(true, null);
}
this.progress.worked(workIncrement, (this.totalUnits * this.remainingIterations) - currentUnitIndex - 1);
}
}
/**
* General API -> compile each of supplied files -> recompile any required types for which we
* have an incomplete principle structure
*/
public void compile(ICompilationUnit[] sourceUnits) {
this.stats.startTime= System.currentTimeMillis();
CompilationUnitDeclaration unit= null;
ProcessTaskManager processingTask= null;
try {
// build and record parsed units
reportProgress(Messages.compilation_beginningToCompile);
if (this.annotationProcessorManager == null) {
beginToCompile(sourceUnits);
} else {
ICompilationUnit[] originalUnits= (ICompilationUnit[])sourceUnits.clone(); // remember source units in case a source type collision occurs
try {
beginToCompile(sourceUnits);
processAnnotations();
if (!this.options.generateClassFiles) {
// -proc:only was set on the command line
return;
}
} catch (SourceTypeCollisionException e) {
reset();
// a generated type was referenced before it was created
// the compiler either created a MissingType or found a BinaryType for it
// so add the processor's generated files & start over,
// but remember to only pass the generated files to the annotation processor
int originalLength= originalUnits.length;
int newProcessedLength= e.newAnnotationProcessorUnits.length;
ICompilationUnit[] combinedUnits= new ICompilationUnit[originalLength + newProcessedLength];
System.arraycopy(originalUnits, 0, combinedUnits, 0, originalLength);
System.arraycopy(e.newAnnotationProcessorUnits, 0, combinedUnits, originalLength, newProcessedLength);
this.annotationProcessorStartIndex= originalLength;
compile(combinedUnits);
return;
}
}
if (this.useSingleThread) {
// process all units (some more could be injected in the loop by the lookup environment)
for (int i= 0; i < this.totalUnits; i++) {
unit= this.unitsToProcess[i];
reportProgress(Messages.bind(Messages.compilation_processing, new String(unit.getFileName())));
try {
if (this.options.verbose)
this.out.println(
Messages.bind(Messages.compilation_process,
new String[] {
String.valueOf(i + 1),
String.valueOf(this.totalUnits),
new String(this.unitsToProcess[i].getFileName())
}));
process(unit, i);
} finally {
// cleanup compilation unit result
unit.cleanUp();
}
this.unitsToProcess[i]= null; // release reference to processed unit declaration
reportWorked(1, i);
this.stats.lineCount+= unit.compilationResult.lineSeparatorPositions.length;
long acceptStart= System.currentTimeMillis();
this.requestor.acceptResult(unit.compilationResult.tagAsAccepted());
this.stats.generateTime+= System.currentTimeMillis() - acceptStart; // record accept time as part of generation
if (this.options.verbose)
this.out.println(
Messages.bind(Messages.compilation_done,
new String[] {
String.valueOf(i + 1),
String.valueOf(this.totalUnits),
new String(unit.getFileName())
}));
}
} else {
processingTask= new ProcessTaskManager(this);
int acceptedCount= 0;
// process all units (some more could be injected in the loop by the lookup environment)
// the processTask can continue to process units until its fixed sized cache is full then it must wait
// for this this thread to accept the units as they appear (it only waits if no units are available)
while (true) {
try {
unit= processingTask.removeNextUnit(); // waits if no units are in the processed queue
} catch (Error e) {
unit= processingTask.unitToProcess;
throw e;
} catch (RuntimeException e) {
unit= processingTask.unitToProcess;
throw e;
}
if (unit == null)
break;
reportWorked(1, acceptedCount++);
this.stats.lineCount+= unit.compilationResult.lineSeparatorPositions.length;
this.requestor.acceptResult(unit.compilationResult.tagAsAccepted());
if (this.options.verbose)
this.out.println(
Messages.bind(Messages.compilation_done,
new String[] {
String.valueOf(acceptedCount),
String.valueOf(this.totalUnits),
new String(unit.getFileName())
}));
}
}
} catch (AbortCompilation e) {
this.handleInternalException(e, unit);
} catch (Error e) {
this.handleInternalException(e, unit, null);
throw e; // rethrow
} catch (RuntimeException e) {
this.handleInternalException(e, unit, null);
throw e; // rethrow
} finally {
if (processingTask != null) {
processingTask.shutdown();
processingTask= null;
}
reset();
this.annotationProcessorStartIndex= 0;
this.stats.endTime= System.currentTimeMillis();
}
if (this.options.verbose) {
if (this.totalUnits > 1) {
this.out.println(
Messages.bind(Messages.compilation_units, String.valueOf(this.totalUnits)));
} else {
this.out.println(
Messages.bind(Messages.compilation_unit, String.valueOf(this.totalUnits)));
}
}
}
public synchronized CompilationUnitDeclaration getUnitToProcess(int next) {
if (next < this.totalUnits) {
CompilationUnitDeclaration unit= this.unitsToProcess[next];
this.unitsToProcess[next]= null; // release reference to processed unit declaration
return unit;
}
return null;
}
public void setBinaryTypes(ReferenceBinding[] binaryTypes) {
this.referenceBindings= binaryTypes;
}
/*
* 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();
}
}
/*
* 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 void initializeParser() {
this.parser= new Parser(this.problemReporter, this.options.parseLiteralExpressionsAsConstants);
}
/**
* 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++) {
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;
CompilationResult 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());
} 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();
}
/**
* Process a compilation unit already parsed and build.
*/
public void process(CompilationUnitDeclaration unit, int i) {
this.lookupEnvironment.unitBeingCompleted= unit;
long parseStart= System.currentTimeMillis();
this.parser.getMethodBodies(unit);
long resolveStart= System.currentTimeMillis();
this.stats.parseTime+= resolveStart - parseStart;
// fault in fields & methods
if (unit.scope != null)
unit.scope.faultInTypes();
// verify inherited methods
if (unit.scope != null)
unit.scope.verifyMethods(this.lookupEnvironment.methodVerifier());
// type checking
unit.resolve();
long analyzeStart= System.currentTimeMillis();
this.stats.resolveTime+= analyzeStart - resolveStart;
//No need of analysis or generation of code if statements are not required
if (!this.options.ignoreMethodBodies)
unit.analyseCode(); // flow analysis
long generateStart= System.currentTimeMillis();
this.stats.analyzeTime+= generateStart - analyzeStart;
if (!this.options.ignoreMethodBodies)
unit.generateCode(); // code generation
// reference info
if (this.options.produceReferenceInfo && unit.scope != null)
unit.scope.storeDependencyInfo();
// finalize problems (suppressWarnings)
unit.finalizeProblems();
this.stats.generateTime+= System.currentTimeMillis() - generateStart;
// refresh the total number of units known at this stage
unit.compilationResult.totalUnitsKnown= this.totalUnits;
this.lookupEnvironment.unitBeingCompleted= null;
}
protected void processAnnotations() {
int newUnitSize= 0;
int newClassFilesSize= 0;
int bottom= this.annotationProcessorStartIndex;
int top= this.totalUnits;
ReferenceBinding[] binaryTypeBindingsTemp= this.referenceBindings;
if (top == 0 && binaryTypeBindingsTemp == null)
return;
this.referenceBindings= null;
do {
// extract units to process
int length= top - bottom;
CompilationUnitDeclaration[] currentUnits= new CompilationUnitDeclaration[length];
int index= 0;
for (int i= bottom; i < top; i++) {
CompilationUnitDeclaration currentUnit= this.unitsToProcess[i];
if ((currentUnit.bits & ASTNode.IsImplicitUnit) == 0) {
currentUnits[index++]= currentUnit;
}
}
if (index != length) {
System.arraycopy(currentUnits, 0, (currentUnits= new CompilationUnitDeclaration[index]), 0, index);
}
this.annotationProcessorManager.processAnnotations(currentUnits, binaryTypeBindingsTemp, false);
ICompilationUnit[] newUnits= this.annotationProcessorManager.getNewUnits();
newUnitSize= newUnits.length;
ReferenceBinding[] newClassFiles= this.annotationProcessorManager.getNewClassFiles();
binaryTypeBindingsTemp= newClassFiles;
newClassFilesSize= newClassFiles.length;
if (newUnitSize != 0) {
ICompilationUnit[] newProcessedUnits= (ICompilationUnit[])newUnits.clone(); // remember new units in case a source type collision occurs
try {
this.lookupEnvironment.isProcessingAnnotations= true;
internalBeginToCompile(newUnits, newUnitSize);
} catch (SourceTypeCollisionException e) {
e.newAnnotationProcessorUnits= newProcessedUnits;
throw e;
} finally {
this.lookupEnvironment.isProcessingAnnotations= false;
this.annotationProcessorManager.reset();
}
bottom= top;
top= this.totalUnits; // last unit added
} else {
bottom= top;
this.annotationProcessorManager.reset();
}
} while (newUnitSize != 0 || newClassFilesSize != 0);
// one more loop to create possible resources
// this loop cannot create any java source files
this.annotationProcessorManager.processAnnotations(null, null, true);
// TODO we might want to check if this loop created new units
}
public void reset() {
this.lookupEnvironment.reset();
this.parser.scanner.source= null;
this.unitsToProcess= null;
if (DebugRequestor != null)
DebugRequestor.reset();
this.problemReporter.reset();
}
/**
* Internal API used to resolve a given compilation unit. Can run a subset of the compilation
* process
*/
public CompilationUnitDeclaration resolve(
CompilationUnitDeclaration unit,
ICompilationUnit sourceUnit,
boolean verifyMethods,
boolean analyzeCode,
boolean generateCode) {
try {
if (unit == null) {
// build and record parsed units
this.parseThreshold= 0; // will request a full parse
beginToCompile(new ICompilationUnit[] { sourceUnit });
// process all units (some more could be injected in the loop by the lookup environment)
unit= this.unitsToProcess[0];
} else {
// initial type binding creation
this.lookupEnvironment.buildTypeBindings(unit, null /*no access restriction*/);
// binding resolution
this.lookupEnvironment.completeTypeBindings();
}
this.lookupEnvironment.unitBeingCompleted= unit;
this.parser.getMethodBodies(unit);
if (unit.scope != null) {
// fault in fields & methods
unit.scope.faultInTypes();
if (unit.scope != null && verifyMethods) {
// http://dev.eclipse.org/bugs/show_bug.cgi?id=23117
// verify inherited methods
unit.scope.verifyMethods(this.lookupEnvironment.methodVerifier());
}
// type checking
unit.resolve();
// flow analysis
if (analyzeCode)
unit.analyseCode();
// code generation
if (generateCode)
unit.generateCode();
// finalize problems (suppressWarnings)
unit.finalizeProblems();
}
if (this.unitsToProcess != null)
this.unitsToProcess[0]= null; // release reference to processed unit declaration
this.requestor.acceptResult(unit.compilationResult.tagAsAccepted());
return unit;
} catch (AbortCompilation e) {
this.handleInternalException(e, unit);
return unit == null ? this.unitsToProcess[0] : unit;
} catch (Error e) {
this.handleInternalException(e, unit, null);
throw e; // rethrow
} catch (RuntimeException e) {
this.handleInternalException(e, unit, null);
throw e; // rethrow
} finally {
// leave this.lookupEnvironment.unitBeingCompleted set to the unit, until another unit is resolved
// other calls to dom can cause classpath errors to be detected, resulting in AbortCompilation exceptions
// No reset is performed there anymore since,
// within the CodeAssist (or related tools),
// the compiler may be called *after* a call
// to this resolve(...) method. And such a call
// needs to have a compiler with a non-empty
// environment.
// this.reset();
}
}
/**
* Internal API used to resolve a given compilation unit. Can run a subset of the compilation
* process
*/
public CompilationUnitDeclaration resolve(
ICompilationUnit sourceUnit,
boolean verifyMethods,
boolean analyzeCode,
boolean generateCode) {
return resolve(
null,
sourceUnit,
verifyMethods,
analyzeCode,
generateCode);
}
}