+++ /dev/null
-/*******************************************************************************
- * Copyright (c) 2000, 2004 IBM Corporation and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Common Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/cpl-v10.html
- *
- * Contributors:
- * IBM Corporation - initial API and implementation
- *******************************************************************************/
-package org.eclipse.jdt.internal.compiler;
-
-import org.eclipse.jdt.core.compiler.*;
-import org.eclipse.jdt.internal.compiler.env.*;
-import org.eclipse.jdt.internal.compiler.impl.*;
-import org.eclipse.jdt.internal.compiler.ast.*;
-import org.eclipse.jdt.internal.compiler.lookup.*;
-import org.eclipse.jdt.internal.compiler.parser.*;
-import org.eclipse.jdt.internal.compiler.problem.*;
-import org.eclipse.jdt.internal.compiler.util.*;
-
-import java.io.*;
-import java.util.*;
-
-public class Compiler implements ITypeRequestor, ProblemSeverities {
- public Parser parser;
- public ICompilerRequestor requestor;
- public CompilerOptions options;
- public ProblemReporter problemReporter;
-
- // 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;
- // 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 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,
- Map settings,
- final ICompilerRequestor requestor,
- IProblemFactory problemFactory) {
-
- // create a problem handler given a handling policy
- this.options = new CompilerOptions(settings);
-
- // 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, options, problemReporter, environment);
- initializeParser();
- }
-
- /**
- * 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 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".
- */
- public Compiler(
- INameEnvironment environment,
- IErrorHandlingPolicy policy,
- Map settings,
- final ICompilerRequestor requestor,
- IProblemFactory problemFactory,
- boolean parseLiteralExpressionsAsConstants) {
-
- // create a problem handler given a handling policy
- this.options = new CompilerOptions(settings);
-
- // 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, options, problemReporter, environment);
- initializeParser();
- }
-
- /**
- * Add an additional binary type
- */
- public void accept(IBinaryType binaryType, PackageBinding packageBinding) {
- if (options.verbose) {
- System.out.println(
- Util.bind(
- "compilation.loadBinary" , //$NON-NLS-1$
- new String[] {
- new String(binaryType.getName())}));
-// new Exception("TRACE BINARY").printStackTrace(System.out);
-// System.out.println();
- }
- lookupEnvironment.createBinaryTypeFrom(binaryType, packageBinding);
- }
-
- /**
- * Add an additional compilation unit into the loop
- * -> build compilation unit declarations, their bindings and record their results.
- */
- public void accept(ICompilationUnit sourceUnit) {
- // Switch the current policy and compilation result for this unit to the requested one.
- CompilationResult unitResult =
- new CompilationResult(sourceUnit, totalUnits, totalUnits, this.options.maxProblemsPerUnit);
- try {
- if (options.verbose) {
- String count = String.valueOf(totalUnits + 1);
- System.out.println(
- Util.bind(
- "compilation.request" , //$NON-NLS-1$
- new String[] {
- count,
- count,
- new String(sourceUnit.getFileName())}));
- }
- // diet parsing for large collection of unit
- CompilationUnitDeclaration parsedUnit;
- if (totalUnits < parseThreshold) {
- parsedUnit = parser.parse(sourceUnit, unitResult);
- } else {
- parsedUnit = parser.dietParse(sourceUnit, unitResult);
- }
- // initial type binding creation
- lookupEnvironment.buildTypeBindings(parsedUnit);
- this.addCompilationUnit(sourceUnit, parsedUnit);
-
- // binding resolution
- 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
- 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) {
- problemReporter.abortDueToInternalError(
- Util.bind(
- "abort.againstSourceModel" , //$NON-NLS-1$
- String.valueOf(sourceTypes[0].getName()),
- String.valueOf(sourceTypes[0].getFileName())));
- }
-
- protected void addCompilationUnit(
- ICompilationUnit sourceUnit,
- CompilationUnitDeclaration parsedUnit) {
-
- // append the unit to the list of ones to process later on
- int size = unitsToProcess.length;
- if (totalUnits == size)
- // when growing reposition units starting at position 0
- System.arraycopy(
- unitsToProcess,
- 0,
- (unitsToProcess = new CompilationUnitDeclaration[size * 2]),
- 0,
- totalUnits);
- unitsToProcess[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;
- totalUnits = 0;
- unitsToProcess = new CompilationUnitDeclaration[maxUnits];
-
- // Switch the current policy and compilation result for this unit to the requested one.
- for (int i = 0; i < maxUnits; i++) {
- CompilationUnitDeclaration parsedUnit;
- CompilationResult unitResult =
- new CompilationResult(sourceUnits[i], i, maxUnits, this.options.maxProblemsPerUnit);
- try {
- if (options.verbose) {
- System.out.println(
- Util.bind(
- "compilation.request" , //$NON-NLS-1$
- new String[] {
- String.valueOf(i + 1),
- String.valueOf(maxUnits),
- new String(sourceUnits[i].getFileName())}));
- }
- // diet parsing for large collection of units
- if (totalUnits < parseThreshold) {
- parsedUnit = parser.parse(sourceUnits[i], unitResult);
- } else {
- parsedUnit = parser.dietParse(sourceUnits[i], unitResult);
- }
- // initial type binding creation
- lookupEnvironment.buildTypeBindings(parsedUnit);
- this.addCompilationUnit(sourceUnits[i], parsedUnit);
- //} catch (AbortCompilationUnit e) {
- // requestor.acceptResult(unitResult.tagAsAccepted());
- } finally {
- sourceUnits[i] = null; // no longer hold onto the unit
- }
- }
- // binding resolution
- lookupEnvironment.completeTypeBindings();
- }
-
- /**
- * General API
- * -> compile each of supplied files
- * -> recompile any required types for which we have an incomplete principle structure
- */
- public void compile(ICompilationUnit[] sourceUnits) {
- CompilationUnitDeclaration unit = null;
- int i = 0;
- try {
- // build and record parsed units
-
- beginToCompile(sourceUnits);
-
- // process all units (some more could be injected in the loop by the lookup environment)
- for (; i < totalUnits; i++) {
- unit = unitsToProcess[i];
- try {
- if (options.verbose)
- System.out.println(
- Util.bind(
- "compilation.process" , //$NON-NLS-1$
- new String[] {
- String.valueOf(i + 1),
- String.valueOf(totalUnits),
- new String(unitsToProcess[i].getFileName())}));
- process(unit, i);
- } finally {
- // cleanup compilation unit result
- unit.cleanUp();
- }
- unitsToProcess[i] = null; // release reference to processed unit declaration
- requestor.acceptResult(unit.compilationResult.tagAsAccepted());
- if (options.verbose)
- System.out.println(Util.bind("compilation.done", //$NON-NLS-1$
- new String[] {
- String.valueOf(i + 1),
- String.valueOf(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 {
- this.reset();
- }
- if (options.verbose) {
- if (totalUnits > 1) {
- System.out.println(
- Util.bind("compilation.units" , String.valueOf(totalUnits))); //$NON-NLS-1$
- } else {
- System.out.println(
- Util.bind("compilation.unit" , String.valueOf(totalUnits))); //$NON-NLS-1$
- }
- }
- }
-
- /*
- * Compiler crash recovery in case of unexpected runtime exceptions
- */
- protected void handleInternalException(
- Throwable internalException,
- CompilationUnitDeclaration unit,
- CompilationResult result) {
-
- /* find a compilation result */
- if ((unit != null)) // basing result upon the current unit if available
- result = unit.compilationResult; // current unit being processed ?
- if ((result == null) && (unitsToProcess != null) && (totalUnits > 0))
- result = unitsToProcess[totalUnits - 1].compilationResult;
- // last unit in beginToCompile ?
-
- boolean needToPrint = true;
- if (result != null) {
- /* create and record a compilation problem */
- StringWriter stringWriter = new StringWriter();
- PrintWriter writer = new PrintWriter(stringWriter);
- internalException.printStackTrace(writer);
- StringBuffer buffer = stringWriter.getBuffer();
-
- String[] pbArguments = new String[] {
- Util.bind("compilation.internalError" ) //$NON-NLS-1$
- + "\n" //$NON-NLS-1$
- + buffer.toString()};
-
- result
- .record(
- problemReporter
- .createProblem(
- result.getFileName(),
- IProblem.Unclassified,
- pbArguments,
- pbArguments,
- Error, // severity
- 0, // source start
- 0, // source end
- 0), // line number
- unit);
-
- /* hand back the compilation result */
- if (!result.hasBeenAccepted) {
- 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) && lookupEnvironment.unitBeingCompleted != null) {
- result = lookupEnvironment.unitBeingCompleted.compilationResult;
- }
- if ((result == null) && (unitsToProcess != null) && (totalUnits > 0))
- result = unitsToProcess[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: {
- IProblem distantProblem = abortException.problem;
- IProblem[] 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) {
- requestor.acceptResult(result.tagAsAccepted());
- }
- } else {
- abortException.printStackTrace();
- }
- }
-
- public void initializeParser() {
-
- this.parser = new Parser(this.problemReporter, this.options.parseLiteralExpressionsAsConstants);
- }
-
- /**
- * Process a compilation unit already parsed and build.
- */
- public void process(CompilationUnitDeclaration unit, int i) {
-
- this.parser.getMethodBodies(unit);
-
- // fault in fields & methods
- if (unit.scope != null)
- unit.scope.faultInTypes();
-
- // verify inherited methods
- if (unit.scope != null)
- unit.scope.verifyMethods(lookupEnvironment.methodVerifier());
-
- // type checking
- unit.resolve();
-
- // flow analysis
- unit.analyseCode();
-
- // code generation
- unit.generateCode();
-
- // reference info
- if (options.produceReferenceInfo && unit.scope != null)
- unit.scope.storeDependencyInfo();
-
- // refresh the total number of units known at this stage
- unit.compilationResult.totalUnitsKnown = totalUnits;
- }
- public void reset() {
- lookupEnvironment.reset();
- parser.scanner.source = null;
- unitsToProcess = null;
- if (DebugRequestor != null) DebugRequestor.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
- 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 = unitsToProcess[0];
- } else {
- // initial type binding creation
- lookupEnvironment.buildTypeBindings(unit);
-
- // binding resolution
- lookupEnvironment.completeTypeBindings();
- }
- 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(lookupEnvironment.methodVerifier());
- }
- // type checking
- unit.resolve();
-
- // flow analysis
- if (analyzeCode) unit.analyseCode();
-
- // code generation
- if (generateCode) unit.generateCode();
- }
- if (unitsToProcess != null) unitsToProcess[0] = null; // release reference to processed unit declaration
- requestor.acceptResult(unit.compilationResult.tagAsAccepted());
- return unit;
- } catch (AbortCompilation e) {
- this.handleInternalException(e, unit);
- return unit == null ? 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 {
- // 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);
- }
-}
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