Java Code Examples for org.eclipse.jdt.core.dom.ASTParser#setStatementsRecovery()

private CompilationUnit getRecoveredAST(IDocument document, int offset, Document recoveredDocument) {
	CompilationUnit ast = CoreASTProvider.getInstance().getAST(fCompilationUnit, CoreASTProvider.WAIT_YES, null);
	if (ast != null) {
		recoveredDocument.set(document.get());
		return ast;
	}

	char[] content= document.get().toCharArray();

	// clear prefix to avoid compile errors
	int index= offset - 1;
	while (index >= 0 && Character.isJavaIdentifierPart(content[index])) {
		content[index]= ' ';
		index--;
	}

	recoveredDocument.set(new String(content));

	final ASTParser parser= ASTParser.newParser(IASTSharedValues.SHARED_AST_LEVEL);
	parser.setResolveBindings(true);
	parser.setStatementsRecovery(true);
	parser.setSource(content);
	parser.setUnitName(fCompilationUnit.getElementName());
	parser.setProject(fCompilationUnit.getJavaProject());
	return (CompilationUnit) parser.createAST(new NullProgressMonitor());
}
 

protected final ASTParser createDefaultJavaParser(final String javaVersion) {
  ASTParser parser = null;
  final Hashtable<String, String> options = JavaCore.getOptions();
  try {
    parser = ASTParser.newParser(ASTParserFactory.asJLS(javaVersion));
    JavaCore.setComplianceOptions(javaVersion, options);
  } catch (final Throwable _t) {
    if (_t instanceof IllegalArgumentException) {
      parser = ASTParser.newParser(ASTParserFactory.asJLS(this.minParserApiLevel));
      JavaCore.setComplianceOptions(this.minParserApiLevel, options);
    } else {
      throw Exceptions.sneakyThrow(_t);
    }
  }
  options.put(JavaCore.COMPILER_DOC_COMMENT_SUPPORT, JavaCore.ENABLED);
  parser.setCompilerOptions(options);
  parser.setStatementsRecovery(true);
  parser.setResolveBindings(true);
  parser.setBindingsRecovery(true);
  return parser;
}
 

private CompilationUnit getRecoveredAST(IDocument document, int offset, Document recoveredDocument) {
	CompilationUnit ast= SharedASTProvider.getAST(fCompilationUnit, SharedASTProvider.WAIT_ACTIVE_ONLY, null);
	if (ast != null) {
		recoveredDocument.set(document.get());
		return ast;
	}

	char[] content= document.get().toCharArray();

	// clear prefix to avoid compile errors
	int index= offset - 1;
	while (index >= 0 && Character.isJavaIdentifierPart(content[index])) {
		content[index]= ' ';
		index--;
	}

	recoveredDocument.set(new String(content));

	final ASTParser parser= ASTParser.newParser(ASTProvider.SHARED_AST_LEVEL);
	parser.setResolveBindings(true);
	parser.setStatementsRecovery(true);
	parser.setSource(content);
	parser.setUnitName(fCompilationUnit.getElementName());
	parser.setProject(fCompilationUnit.getJavaProject());
	return (CompilationUnit) parser.createAST(new NullProgressMonitor());
}
 

public static ASTParser createParser(String sourceVersion) {
		ASTParser parser = ASTParser.newParser(AST.JLS10);

		parser.setKind(ASTParser.K_COMPILATION_UNIT);
		parser.setResolveBindings(true);
		//TODO
//		parser.setUnitName(unitName);
		parser.setBindingsRecovery(true);
		parser.setStatementsRecovery(true);

		Map options = JavaCore.getOptions();
		
		options.put(JavaCore.COMPILER_COMPLIANCE, sourceVersion);
		options.put(JavaCore.COMPILER_CODEGEN_TARGET_PLATFORM, sourceVersion);
		options.put(JavaCore.COMPILER_SOURCE, sourceVersion);

		parser.setCompilerOptions(options);

		return parser;
	}
 

public static List<ParsedCu> parseCus(IJavaProject javaProject, String compilerCompliance, String text) {
	ASTParser parser= ASTParser.newParser(ASTProvider.SHARED_AST_LEVEL);
	if (javaProject != null) {
		parser.setProject(javaProject);
	} else if (compilerCompliance != null) {
		Map<String, String> options= JavaCore.getOptions();
		JavaModelUtil.setComplianceOptions(options, compilerCompliance);
		parser.setCompilerOptions(options);
	}
	parser.setSource(text.toCharArray());
	parser.setStatementsRecovery(true);
	CompilationUnit unit= (CompilationUnit) parser.createAST(null);

	if (unit.types().size() > 0)
		return parseAsTypes(text, unit);

	parser.setProject(javaProject);
	parser.setSource(text.toCharArray());
	parser.setStatementsRecovery(true);
	parser.setKind(ASTParser.K_CLASS_BODY_DECLARATIONS);
	ASTNode root= parser.createAST(null);
	if (root instanceof TypeDeclaration) {
		List<BodyDeclaration> bodyDeclarations= ((TypeDeclaration) root).bodyDeclarations();
		if (bodyDeclarations.size() > 0)
			return Collections.singletonList(new ParsedCu(text, ASTParser.K_CLASS_BODY_DECLARATIONS, null, null));
	}

	parser.setProject(javaProject);
	parser.setSource(text.toCharArray());
	parser.setStatementsRecovery(true);
	parser.setKind(ASTParser.K_STATEMENTS);
	root= parser.createAST(null);
	if (root instanceof Block) {
		List<Statement> statements= ((Block) root).statements();
		if (statements.size() > 0)
			return Collections.singletonList(new ParsedCu(text, ASTParser.K_STATEMENTS, null, null));
	}

	return Collections.emptyList();
}
 

public static CompilationUnit createQuickFixAST(ICompilationUnit compilationUnit, IProgressMonitor monitor) {
	ASTParser astParser= ASTParser.newParser(ASTProvider.SHARED_AST_LEVEL);
	astParser.setSource(compilationUnit);
	astParser.setResolveBindings(true);
	astParser.setStatementsRecovery(ASTProvider.SHARED_AST_STATEMENT_RECOVERY);
	astParser.setBindingsRecovery(ASTProvider.SHARED_BINDING_RECOVERY);
	return (CompilationUnit) astParser.createAST(monitor);
}
 

/**
 * Returns the type binding of the expected type as it is contained in the
 * code completion context.
 *
 * @return the binding of the expected type
 */
private ITypeBinding getExpectedType() {
	char[][] chKeys= fInvocationContext.getCoreContext().getExpectedTypesKeys();
	if (chKeys == null || chKeys.length == 0)
		return null;

	String[] keys= new String[chKeys.length];
	for (int i= 0; i < keys.length; i++) {
		keys[i]= String.valueOf(chKeys[0]);
	}

	final ASTParser parser= ASTParser.newParser(ASTProvider.SHARED_AST_LEVEL);
	parser.setProject(fCompilationUnit.getJavaProject());
	parser.setResolveBindings(true);
	parser.setStatementsRecovery(true);

	final Map<String, IBinding> bindings= new HashMap<String, IBinding>();
	ASTRequestor requestor= new ASTRequestor() {
		@Override
		public void acceptBinding(String bindingKey, IBinding binding) {
			bindings.put(bindingKey, binding);
		}
	};
	parser.createASTs(new ICompilationUnit[0], keys, requestor, null);

	if (bindings.size() > 0)
		return (ITypeBinding) bindings.get(keys[0]);

	return null;
}
 

public static ASTParser createCleanUpASTParser() {
	ASTParser result= ASTParser.newParser(ASTProvider.SHARED_AST_LEVEL);

	result.setResolveBindings(true);
	result.setStatementsRecovery(ASTProvider.SHARED_AST_STATEMENT_RECOVERY);
	result.setBindingsRecovery(ASTProvider.SHARED_BINDING_RECOVERY);

	return result;
}
 

private ITypeBinding getExpectedTypeForGenericParameters() {
	char[][] chKeys= context.getExpectedTypesKeys();
	if (chKeys == null || chKeys.length == 0) {
		return null;
	}

	String[] keys= new String[chKeys.length];
	for (int i= 0; i < keys.length; i++) {
		keys[i]= String.valueOf(chKeys[0]);
	}

	final ASTParser parser = ASTParser.newParser(IASTSharedValues.SHARED_AST_LEVEL);
	parser.setProject(compilationUnit.getJavaProject());
	parser.setResolveBindings(true);
	parser.setStatementsRecovery(true);

	final Map<String, IBinding> bindings= new HashMap<>();
	ASTRequestor requestor= new ASTRequestor() {
		@Override
		public void acceptBinding(String bindingKey, IBinding binding) {
			bindings.put(bindingKey, binding);
		}
	};
	parser.createASTs(new ICompilationUnit[0], keys, requestor, null);

	if (bindings.size() > 0) {
		return (ITypeBinding) bindings.get(keys[0]);
	}

	return null;
}
 

/**
 * Get the AST of a file, including additional source paths to resolve
 * cross-file bindings. It is assumed that a CompilationUnit will be
 * returned. A heuristic is used to set the file's path variable.
 * <p>
 * Note: this may only yield a big improvement if the above heuristic fails
 * and srcPaths contains the correct source path.
 *
 * @param file
 * @param srcPaths
 *            for binding resolution
 * @return the compilation unit of the file
 * @throws IOException
 */
public final CompilationUnit getAST(final File file,
		final Set<String> srcPaths) throws IOException {
	final String sourceFile = FileUtils.readFileToString(file);
	final ASTParser parser = ASTParser.newParser(AST.JLS8);
	parser.setKind(ASTParser.K_COMPILATION_UNIT);

	final Map<String, String> options = new Hashtable<String, String>();
	options.put(JavaCore.COMPILER_CODEGEN_TARGET_PLATFORM,
			JavaCore.VERSION_1_8);
	options.put(JavaCore.COMPILER_SOURCE, JavaCore.VERSION_1_8);
	if (useJavadocs) {
		options.put(JavaCore.COMPILER_DOC_COMMENT_SUPPORT, JavaCore.ENABLED);
	}
	parser.setCompilerOptions(options);
	parser.setSource(sourceFile.toCharArray()); // set source
	parser.setResolveBindings(useBindings);
	parser.setBindingsRecovery(useBindings);

	parser.setStatementsRecovery(true);

	parser.setUnitName(file.getAbsolutePath());

	// Heuristic to retrieve source file path
	final String srcFilePath;
	if (file.getAbsolutePath().contains("/src")) {
		srcFilePath = file.getAbsolutePath().substring(0,
				file.getAbsolutePath().indexOf("src", 0) + 3);
	} else {
		srcFilePath = "";
	}

	// Add file to source paths if not already present
	srcPaths.add(srcFilePath);

	final String[] sourcePathEntries = srcPaths.toArray(new String[srcPaths
			.size()]);
	final String[] classPathEntries = new String[0];
	parser.setEnvironment(classPathEntries, sourcePathEntries, null, true);

	final CompilationUnit compilationUnit = (CompilationUnit) parser
			.createAST(null);
	return compilationUnit;
}
 

/**
 * Return an ASTNode given the content
 *
 * @param content
 * @return
 */
public final ASTNode getASTNode(final char[] content,
		final ParseType parseType) {
	final ASTParser parser = ASTParser.newParser(AST.JLS8);
	final int astKind;
	switch (parseType) {
	case CLASS_BODY:
	case METHOD:
		astKind = ASTParser.K_CLASS_BODY_DECLARATIONS;
		break;
	case COMPILATION_UNIT:
		astKind = ASTParser.K_COMPILATION_UNIT;
		break;
	case EXPRESSION:
		astKind = ASTParser.K_EXPRESSION;
		break;
	case STATEMENTS:
		astKind = ASTParser.K_STATEMENTS;
		break;
	default:
		astKind = ASTParser.K_COMPILATION_UNIT;
	}
	parser.setKind(astKind);

	final Map<String, String> options = new Hashtable<String, String>();
	options.put(JavaCore.COMPILER_CODEGEN_TARGET_PLATFORM,
			JavaCore.VERSION_1_8);
	options.put(JavaCore.COMPILER_SOURCE, JavaCore.VERSION_1_8);
	if (useJavadocs) {
		options.put(JavaCore.COMPILER_DOC_COMMENT_SUPPORT, JavaCore.ENABLED);
	}
	parser.setCompilerOptions(options);
	parser.setSource(content); // set source
	parser.setResolveBindings(useBindings);
	parser.setBindingsRecovery(useBindings);

	parser.setStatementsRecovery(true);

	if (parseType != ParseType.METHOD) {
		return parser.createAST(null);
	} else {
		final ASTNode cu = parser.createAST(null);
		return getFirstMethodDeclaration(cu);
	}
}
 

/**
 * Return an ASTNode given the content
 *
 * @param content
 * @return
 */
public final ASTNode getASTNode(final char[] content,
		final ParseType parseType) {
	final ASTParser parser = ASTParser.newParser(AST.JLS8);
	final int astKind;
	switch (parseType) {
	case CLASS_BODY:
	case METHOD:
		astKind = ASTParser.K_CLASS_BODY_DECLARATIONS;
		break;
	case COMPILATION_UNIT:
		astKind = ASTParser.K_COMPILATION_UNIT;
		break;
	case EXPRESSION:
		astKind = ASTParser.K_EXPRESSION;
		break;
	case STATEMENTS:
		astKind = ASTParser.K_STATEMENTS;
		break;
	default:
		astKind = ASTParser.K_COMPILATION_UNIT;
	}
	parser.setKind(astKind);

	final Map<String, String> options = new Hashtable<String, String>();
	options.put(JavaCore.COMPILER_CODEGEN_TARGET_PLATFORM,
			JavaCore.VERSION_1_8);
	options.put(JavaCore.COMPILER_SOURCE, JavaCore.VERSION_1_8);
	if (useJavadocs) {
		options.put(JavaCore.COMPILER_DOC_COMMENT_SUPPORT, JavaCore.ENABLED);
	}
	parser.setCompilerOptions(options);
	parser.setSource(content); // set source
	parser.setResolveBindings(useBindings);
	parser.setBindingsRecovery(useBindings);

	parser.setStatementsRecovery(true);

	if (parseType != ParseType.METHOD) {
		return parser.createAST(null);
	} else {
		final ASTNode cu = parser.createAST(null);
		return getFirstMethodDeclaration(cu);
	}
}
 

/**
 * Get the AST of a file, including additional source paths to resolve
 * cross-file bindings. It is assumed that a CompilationUnit will be
 * returned. A heuristic is used to set the file's path variable.
 * <p>
 * Note: this may only yield a big improvement if the above heuristic fails
 * and srcPaths contains the correct source path.
 *
 * @param file
 * @param srcPaths
 *            for binding resolution
 * @return the compilation unit of the file
 * @throws IOException
 */
public final CompilationUnit getAST(final File file,
		final Set<String> srcPaths) throws IOException {
	final String sourceFile = FileUtils.readFileToString(file);
	final ASTParser parser = ASTParser.newParser(AST.JLS8);
	parser.setKind(ASTParser.K_COMPILATION_UNIT);

	final Map<String, String> options = new Hashtable<String, String>();
	options.put(JavaCore.COMPILER_CODEGEN_TARGET_PLATFORM,
			JavaCore.VERSION_1_8);
	options.put(JavaCore.COMPILER_SOURCE, JavaCore.VERSION_1_8);
	if (useJavadocs) {
		options.put(JavaCore.COMPILER_DOC_COMMENT_SUPPORT, JavaCore.ENABLED);
	}
	parser.setCompilerOptions(options);
	parser.setSource(sourceFile.toCharArray()); // set source
	parser.setResolveBindings(useBindings);
	parser.setBindingsRecovery(useBindings);

	parser.setStatementsRecovery(true);

	parser.setUnitName(file.getAbsolutePath());

	// Heuristic to retrieve source file path
	final String srcFilePath;
	if (file.getAbsolutePath().contains("/src")) {
		srcFilePath = file.getAbsolutePath().substring(0,
				file.getAbsolutePath().indexOf("src", 0) + 3);
	} else {
		srcFilePath = "";
	}

	// Add file to source paths if not already present
	srcPaths.add(srcFilePath);

	final String[] sourcePathEntries = srcPaths.toArray(new String[srcPaths
			.size()]);
	final String[] classPathEntries = new String[0];
	parser.setEnvironment(classPathEntries, sourcePathEntries, null, true);

	final CompilationUnit compilationUnit = (CompilationUnit) parser
			.createAST(null);
	return compilationUnit;
}
 

/**
 * Return an ASTNode given the content
 *
 * @param content
 * @return
 */
public final ASTNode getASTNode(final char[] content,
                                final ParseType parseType) {
    final ASTParser parser = ASTParser.newParser(AST.JLS8);
    final int astKind;
    switch (parseType) {
        case CLASS_BODY:
        case METHOD:
            astKind = ASTParser.K_CLASS_BODY_DECLARATIONS;
            break;
        case COMPILATION_UNIT:
            astKind = ASTParser.K_COMPILATION_UNIT;
            break;
        case EXPRESSION:
            astKind = ASTParser.K_EXPRESSION;
            break;
        case STATEMENTS:
            astKind = ASTParser.K_STATEMENTS;
            break;
        default:
            astKind = ASTParser.K_COMPILATION_UNIT;
    }
    parser.setKind(astKind);

    final Map<String, String> options = new HashMap<>();
    options.put(JavaCore.COMPILER_CODEGEN_TARGET_PLATFORM,
            JavaCore.VERSION_1_8);
    options.put(JavaCore.COMPILER_SOURCE, JavaCore.VERSION_1_8);
    if (useJavadocs) {
        options.put(JavaCore.COMPILER_DOC_COMMENT_SUPPORT, JavaCore.ENABLED);
    }
    parser.setCompilerOptions(options);
    parser.setSource(content);
    parser.setResolveBindings(useBindings);
    parser.setBindingsRecovery(useBindings);
    parser.setStatementsRecovery(true);

    if (parseType != ParseType.METHOD) {
        return parser.createAST(null);
    } else {
        final ASTNode cu = parser.createAST(null);
        return getFirstMethodDeclaration(cu);
    }
}
 

public JavaCodeAnalyzer.JavaParseResult<? extends ASTNode> determinateJavaType(final String javaCode) {
  ASTParser parser = this.parserFactory.createDefaultJavaParser(this.parserFactory.minParserApiLevel);
  parser.setSource(javaCode.toCharArray());
  parser.setStatementsRecovery(true);
  ASTNode _createAST = parser.createAST(null);
  CompilationUnit unit = ((CompilationUnit) _createAST);
  int _size = unit.types().size();
  boolean _greaterThan = (_size > 0);
  if (_greaterThan) {
    List<CompilationUnit> _singletonList = Collections.<CompilationUnit>singletonList(unit);
    return new JavaCodeAnalyzer.JavaParseResult<CompilationUnit>(javaCode, ASTParser.K_COMPILATION_UNIT, _singletonList);
  }
  parser.setSource(javaCode.toCharArray());
  parser.setStatementsRecovery(false);
  parser.setKind(ASTParser.K_CLASS_BODY_DECLARATIONS);
  ASTNode root = parser.createAST(null);
  if ((root instanceof TypeDeclaration)) {
    List<BodyDeclaration> bodyDeclarations = ((TypeDeclaration)root).bodyDeclarations();
    int _size_1 = bodyDeclarations.size();
    boolean _greaterThan_1 = (_size_1 > 0);
    if (_greaterThan_1) {
      return new JavaCodeAnalyzer.JavaParseResult<BodyDeclaration>(javaCode, ASTParser.K_CLASS_BODY_DECLARATIONS, bodyDeclarations);
    }
  }
  parser.setSource(javaCode.toCharArray());
  parser.setStatementsRecovery(false);
  parser.setKind(ASTParser.K_STATEMENTS);
  root = parser.createAST(null);
  if ((root instanceof Block)) {
    List<Statement> statements = ((Block)root).statements();
    int _size_2 = statements.size();
    boolean _greaterThan_2 = (_size_2 > 0);
    if (_greaterThan_2) {
      return new JavaCodeAnalyzer.JavaParseResult<Statement>(javaCode, ASTParser.K_STATEMENTS, statements);
    }
  }
  parser.setSource(javaCode.toCharArray());
  parser.setStatementsRecovery(false);
  parser.setKind(ASTParser.K_EXPRESSION);
  root = parser.createAST(null);
  if ((root instanceof Expression)) {
    List<Expression> _singletonList_1 = Collections.<Expression>singletonList(((Expression)root));
    return new JavaCodeAnalyzer.JavaParseResult<Expression>(javaCode, ASTParser.K_EXPRESSION, _singletonList_1);
  }
  return null;
}
 

/**
 * Returns a resolved AST with {@link AST#JLS3 JLS3} level.
 * It is created from the current state of the working copy.
 * Creates one if none exists yet.
 * Returns <code>null</code> if the current state of the working copy
 * doesn't allow the AST to be created (e.g. if the working copy's content
 * cannot be parsed).
 * <p>
 * If the AST level requested during reconciling is not {@link AST#JLS3}
 * or if binding resolutions was not requested, then a different AST is created.
 * Note that this AST does not become the current AST and it is only valid for
 * the requestor.
 * </p>
 *
 * @return the AST created from the current state of the working copy,
 *   or <code>null</code> if none could be created
 * @exception JavaModelException  if the contents of the working copy
 *		cannot be accessed. Reasons include:
 * <ul>
 * <li> The working copy does not exist (ELEMENT_DOES_NOT_EXIST)</li>
 * </ul>
 * @deprecated JLS3 has been deprecated. This method has been replaced by {@link #getAST4()} which returns an AST
 * with JLS4 level.
 */
public org.eclipse.jdt.core.dom.CompilationUnit getAST3() throws JavaModelException {
	if (this.operation.astLevel != AST.JLS3 || !this.operation.resolveBindings) {
		// create AST (optionally resolving bindings)
		ASTParser parser = ASTParser.newParser(AST.JLS3);
		parser.setCompilerOptions(this.workingCopy.getJavaProject().getOptions(true));
		if (JavaProject.hasJavaNature(this.workingCopy.getJavaProject().getProject()))
			parser.setResolveBindings(true);
		parser.setStatementsRecovery((this.operation.reconcileFlags & ICompilationUnit.ENABLE_STATEMENTS_RECOVERY) != 0);
		parser.setBindingsRecovery((this.operation.reconcileFlags & ICompilationUnit.ENABLE_BINDINGS_RECOVERY) != 0);
		parser.setSource(this.workingCopy);
		parser.setIgnoreMethodBodies((this.operation.reconcileFlags & ICompilationUnit.IGNORE_METHOD_BODIES) != 0);
		return (org.eclipse.jdt.core.dom.CompilationUnit) parser.createAST(this.operation.progressMonitor);
	}
	return this.operation.makeConsistent(this.workingCopy);
}
 

/**
 * Returns a resolved AST with {@link AST#JLS4 JLS4} level.
 * It is created from the current state of the working copy.
 * Creates one if none exists yet.
 * Returns <code>null</code> if the current state of the working copy
 * doesn't allow the AST to be created (e.g. if the working copy's content
 * cannot be parsed).
 * <p>
 * If the AST level requested during reconciling is not {@link AST#JLS4}
 * or if binding resolutions was not requested, then a different AST is created.
 * Note that this AST does not become the current AST and it is only valid for
 * the requestor.
 * </p>
 *
 * @return the AST created from the current state of the working copy,
 *   or <code>null</code> if none could be created
 * @exception JavaModelException  if the contents of the working copy
 *		cannot be accessed. Reasons include:
 * <ul>
 * <li> The working copy does not exist (ELEMENT_DOES_NOT_EXIST)</li>
 * </ul>
 * @deprecated JLS4 has been deprecated. This method has been replaced by {@link #getAST8()} which returns an AST
 * with JLS8 level.
 * @since 3.7.1
 */
public org.eclipse.jdt.core.dom.CompilationUnit getAST4() throws JavaModelException {
	if (this.operation.astLevel != AST.JLS4 || !this.operation.resolveBindings) {
		// create AST (optionally resolving bindings)
		ASTParser parser = ASTParser.newParser(AST.JLS4);
		parser.setCompilerOptions(this.workingCopy.getJavaProject().getOptions(true));
		if (JavaProject.hasJavaNature(this.workingCopy.getJavaProject().getProject()))
			parser.setResolveBindings(true);
		parser.setStatementsRecovery((this.operation.reconcileFlags & ICompilationUnit.ENABLE_STATEMENTS_RECOVERY) != 0);
		parser.setBindingsRecovery((this.operation.reconcileFlags & ICompilationUnit.ENABLE_BINDINGS_RECOVERY) != 0);
		parser.setSource(this.workingCopy);
		parser.setIgnoreMethodBodies((this.operation.reconcileFlags & ICompilationUnit.IGNORE_METHOD_BODIES) != 0);
		return (org.eclipse.jdt.core.dom.CompilationUnit) parser.createAST(this.operation.progressMonitor);
	}
	return this.operation.makeConsistent(this.workingCopy);
}
 

/**
 * Returns a resolved AST with {@link AST#JLS8 JLS8} level.
 * It is created from the current state of the working copy.
 * Creates one if none exists yet.
 * Returns <code>null</code> if the current state of the working copy
 * doesn't allow the AST to be created (e.g. if the working copy's content
 * cannot be parsed).
 * <p>
 * If the AST level requested during reconciling is not {@link AST#JLS8}
 * or if binding resolutions was not requested, then a different AST is created.
 * Note that this AST does not become the current AST and it is only valid for
 * the requestor.
 * </p>
 *
 * @return the AST created from the current state of the working copy,
 *   or <code>null</code> if none could be created
 * @exception JavaModelException  if the contents of the working copy
 *		cannot be accessed. Reasons include:
 * <ul>
 * <li> The working copy does not exist (ELEMENT_DOES_NOT_EXIST)</li>
 * </ul>
 * @since 3.10
 */
public org.eclipse.jdt.core.dom.CompilationUnit getAST8() throws JavaModelException {
	if (this.operation.astLevel != AST.JLS8 || !this.operation.resolveBindings) {
		// create AST (optionally resolving bindings)
		ASTParser parser = ASTParser.newParser(AST.JLS8);
		parser.setCompilerOptions(this.workingCopy.getJavaProject().getOptions(true));
		if (JavaProject.hasJavaNature(this.workingCopy.getJavaProject().getProject()))
			parser.setResolveBindings(true);
		parser.setStatementsRecovery((this.operation.reconcileFlags & ICompilationUnit.ENABLE_STATEMENTS_RECOVERY) != 0);
		parser.setBindingsRecovery((this.operation.reconcileFlags & ICompilationUnit.ENABLE_BINDINGS_RECOVERY) != 0);
		parser.setSource(this.workingCopy);
		parser.setIgnoreMethodBodies((this.operation.reconcileFlags & ICompilationUnit.IGNORE_METHOD_BODIES) != 0);
		return (org.eclipse.jdt.core.dom.CompilationUnit) parser.createAST(this.operation.progressMonitor);
	}
	return this.operation.makeConsistent(this.workingCopy);
}
 

/**
 * Get the AST of a file, including additional source paths to resolve
 * cross-file bindings. It is assumed that a CompilationUnit will be
 * returned. A heuristic is used to set the file's path variable.
 * <p>
 * Note: this may only yield a big improvement if the above heuristic fails
 * and srcPaths contains the correct source path.
 *
 * @param file
 * @param srcPaths
 *            for binding resolution
 * @return the compilation unit of the file
 * @throws IOException
 */
public final CompilationUnit getAST(final File file,
		final Set<String> srcPaths) throws IOException {
	final String sourceFile = FileUtils.readFileToString(file);
	final ASTParser parser = ASTParser.newParser(AST.JLS8);
	parser.setKind(ASTParser.K_COMPILATION_UNIT);

	final Map<String, String> options = new Hashtable<String, String>();
	options.put(JavaCore.COMPILER_CODEGEN_TARGET_PLATFORM,
			JavaCore.VERSION_1_8);
	options.put(JavaCore.COMPILER_SOURCE, JavaCore.VERSION_1_8);
	if (useJavadocs) {
		options.put(JavaCore.COMPILER_DOC_COMMENT_SUPPORT, JavaCore.ENABLED);
	}
	parser.setCompilerOptions(options);
	parser.setSource(sourceFile.toCharArray()); // set source
	parser.setResolveBindings(useBindings);
	parser.setBindingsRecovery(useBindings);

	parser.setStatementsRecovery(true);

	parser.setUnitName(file.getAbsolutePath());

	// Heuristic to retrieve source file path
	final String srcFilePath;
	if (file.getAbsolutePath().contains("/src")) {
		srcFilePath = file.getAbsolutePath().substring(0,
				file.getAbsolutePath().indexOf("src", 0) + 3);
	} else {
		srcFilePath = "";
	}

	// Add file to source paths if not already present
	srcPaths.add(srcFilePath);

	final String[] sourcePathEntries = srcPaths.toArray(new String[srcPaths
			.size()]);
	final String[] classPathEntries = new String[0];
	parser.setEnvironment(classPathEntries, sourcePathEntries, null, true);

	final CompilationUnit compilationUnit = (CompilationUnit) parser
			.createAST(null);
	return compilationUnit;
}
 

/**
 * Return an ASTNode given the content
 *
 * @param content
 * @return
 */
public final ASTNode getASTNode(final char[] content,
		final ParseType parseType) {
	final ASTParser parser = ASTParser.newParser(AST.JLS8);
	final int astKind;
	switch (parseType) {
	case CLASS_BODY:
	case METHOD:
		astKind = ASTParser.K_CLASS_BODY_DECLARATIONS;
		break;
	case COMPILATION_UNIT:
		astKind = ASTParser.K_COMPILATION_UNIT;
		break;
	case EXPRESSION:
		astKind = ASTParser.K_EXPRESSION;
		break;
	case STATEMENTS:
		astKind = ASTParser.K_STATEMENTS;
		break;
	default:
		astKind = ASTParser.K_COMPILATION_UNIT;
	}
	parser.setKind(astKind);

	final Map<String, String> options = new Hashtable<String, String>();
	options.put(JavaCore.COMPILER_CODEGEN_TARGET_PLATFORM,
			JavaCore.VERSION_1_8);
	options.put(JavaCore.COMPILER_SOURCE, JavaCore.VERSION_1_8);
	if (useJavadocs) {
		options.put(JavaCore.COMPILER_DOC_COMMENT_SUPPORT, JavaCore.ENABLED);
	}
	parser.setCompilerOptions(options);
	parser.setSource(content); // set source
	parser.setResolveBindings(useBindings);
	parser.setBindingsRecovery(useBindings);

	parser.setStatementsRecovery(true);

	if (parseType != ParseType.METHOD) {
		return parser.createAST(null);
	} else {
		final ASTNode cu = parser.createAST(null);
		return getFirstMethodDeclaration(cu);
	}
}