Example usage for org.eclipse.jdt.internal.compiler.parser Parser getMethodBodies

List of usage examples for org.eclipse.jdt.internal.compiler.parser Parser getMethodBodies

Introduction

In this page you can find the example usage for org.eclipse.jdt.internal.compiler.parser Parser getMethodBodies.

Prototype

public void getMethodBodies(CompilationUnitDeclaration unit) 

Source Link

Usage

From source file:org.eclipse.jdt.internal.core.hierarchy.HierarchyResolver.java

License:Open Source License

/**
 * Resolve the supertypes for the types contained in the given openables (ICompilationUnits and/or IClassFiles).
 * Inform the requestor of the resolved supertypes for each
 * supplied source type using://from  w  w  w  . j  a v a  2 s. c  o m
 *    connect(ISourceType suppliedType, IGenericType superclass, IGenericType[] superinterfaces)
 *
 * Also inform the requestor of the supertypes of each
 * additional requested super type which is also a source type
 * instead of a binary type.
 * @param openables
 * @param localTypes
 * @param monitor
 */
public void resolve(Openable[] openables, HashSet localTypes, IProgressMonitor monitor) {
    try {
        int openablesLength = openables.length;
        CompilationUnitDeclaration[] parsedUnits = new CompilationUnitDeclaration[openablesLength];
        boolean[] hasLocalType = new boolean[openablesLength];
        org.eclipse.jdt.core.ICompilationUnit[] cus = new org.eclipse.jdt.core.ICompilationUnit[openablesLength];
        int unitsIndex = 0;

        CompilationUnitDeclaration focusUnit = null;
        ReferenceBinding focusBinaryBinding = null;
        IType focus = this.builder.getType();
        Openable focusOpenable = null;
        if (focus != null) {
            if (focus.isBinary()) {
                focusOpenable = (Openable) focus.getClassFile();
            } else {
                focusOpenable = (Openable) focus.getCompilationUnit();
            }
        }

        // build type bindings

        // GROOVY start: ensure downstream groovy parses share the same compilationunit
        /* old {
        Parser parser = new Parser(this.lookupEnvironment.problemReporter, true);
        } new */
        Parser parser = LanguageSupportFactory.getParser(this, this.lookupEnvironment.globalOptions,
                this.lookupEnvironment.problemReporter, true, 1);
        // GROOVY end
        for (int i = 0; i < openablesLength; i++) {
            Openable openable = openables[i];
            if (openable instanceof org.eclipse.jdt.core.ICompilationUnit) {
                org.eclipse.jdt.core.ICompilationUnit cu = (org.eclipse.jdt.core.ICompilationUnit) openable;

                // contains a potential subtype as a local or anonymous type?
                boolean containsLocalType = false;
                if (localTypes == null) { // case of hierarchy on region
                    containsLocalType = true;
                } else {
                    IPath path = cu.getPath();
                    containsLocalType = localTypes.contains(path.toString());
                }

                // build parsed unit
                CompilationUnitDeclaration parsedUnit = null;
                if (cu.isOpen()) {
                    // create parsed unit from source element infos
                    CompilationResult result = new CompilationResult((ICompilationUnit) cu, i, openablesLength,
                            this.options.maxProblemsPerUnit);
                    SourceTypeElementInfo[] typeInfos = null;
                    try {
                        IType[] topLevelTypes = cu.getTypes();
                        int topLevelLength = topLevelTypes.length;
                        if (topLevelLength == 0)
                            continue; // empty cu: no need to parse (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=65677)
                        typeInfos = new SourceTypeElementInfo[topLevelLength];
                        for (int j = 0; j < topLevelLength; j++) {
                            IType topLevelType = topLevelTypes[j];
                            typeInfos[j] = (SourceTypeElementInfo) ((JavaElement) topLevelType)
                                    .getElementInfo();
                        }
                    } catch (JavaModelException e) {
                        // types/cu exist since cu is opened
                    }
                    int flags = !containsLocalType ? SourceTypeConverter.MEMBER_TYPE
                            : SourceTypeConverter.FIELD_AND_METHOD | SourceTypeConverter.MEMBER_TYPE
                                    | SourceTypeConverter.LOCAL_TYPE;
                    parsedUnit = SourceTypeConverter.buildCompilationUnit(typeInfos, flags,
                            this.lookupEnvironment.problemReporter, result);

                    // We would have got all the necessary local types by now and hence there is no further need 
                    // to parse the method bodies. Parser.getMethodBodies, which is called latter in this function, 
                    // will not parse the method statements if ASTNode.HasAllMethodBodies is set. 
                    if (containsLocalType)
                        parsedUnit.bits |= ASTNode.HasAllMethodBodies;
                } else {
                    // create parsed unit from file
                    IFile file = (IFile) cu.getResource();
                    ICompilationUnit sourceUnit = this.builder.createCompilationUnitFromPath(openable, file);

                    CompilationResult unitResult = new CompilationResult(sourceUnit, i, openablesLength,
                            this.options.maxProblemsPerUnit);
                    parsedUnit = parser.dietParse(sourceUnit, unitResult);
                }

                if (parsedUnit != null) {
                    hasLocalType[unitsIndex] = containsLocalType;
                    cus[unitsIndex] = cu;
                    parsedUnits[unitsIndex++] = parsedUnit;
                    try {
                        this.lookupEnvironment.buildTypeBindings(parsedUnit, null /*no access restriction*/);
                        if (openable.equals(focusOpenable)) {
                            focusUnit = parsedUnit;
                        }
                    } catch (AbortCompilation e) {
                        // classpath problem for this type: ignore
                    }
                }
            } else {
                // cache binary type binding
                ClassFile classFile = (ClassFile) openable;
                IBinaryType binaryType = (IBinaryType) JavaModelManager.getJavaModelManager()
                        .getInfo(classFile.getType());
                if (binaryType == null) {
                    // create binary type from file
                    if (classFile.getPackageFragmentRoot().isArchive()) {
                        binaryType = this.builder.createInfoFromClassFileInJar(classFile);
                    } else {
                        IResource file = classFile.resource();
                        binaryType = this.builder.createInfoFromClassFile(classFile, file);
                    }
                }
                if (binaryType != null) {
                    try {
                        BinaryTypeBinding binaryTypeBinding = this.lookupEnvironment.cacheBinaryType(binaryType,
                                false/*don't need field and method (bug 125067)*/,
                                null /*no access restriction*/);
                        remember(binaryType, binaryTypeBinding);
                        if (openable.equals(focusOpenable)) {
                            focusBinaryBinding = binaryTypeBinding;
                        }
                    } catch (AbortCompilation e) {
                        // classpath problem for this type: ignore
                    }
                }
            }
        }

        // remember type declaration of focus if local/anonymous early (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=210498)
        TypeDeclaration focusLocalType = null;
        if (focus != null && focusBinaryBinding == null && focusUnit != null
                && ((Member) focus).getOuterMostLocalContext() != null) {
            focusLocalType = new ASTNodeFinder(focusUnit).findType(focus);
        }

        for (int i = 0; i <= this.typeIndex; i++) {
            IGenericType suppliedType = this.typeModels[i];
            if (suppliedType != null && suppliedType.isBinaryType()) {
                CompilationUnitDeclaration previousUnitBeingCompleted = this.lookupEnvironment.unitBeingCompleted;
                // fault in its hierarchy...
                try {
                    // ensure that unitBeingCompleted is set so that we don't get an AbortCompilation for a missing type
                    // (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=213249 )
                    if (previousUnitBeingCompleted == null) {
                        this.lookupEnvironment.unitBeingCompleted = FakeUnit;
                    }
                    ReferenceBinding typeBinding = this.typeBindings[i];
                    typeBinding.superclass();
                    typeBinding.superInterfaces();
                } catch (AbortCompilation e) {
                    // classpath problem for this type: ignore
                } finally {
                    this.lookupEnvironment.unitBeingCompleted = previousUnitBeingCompleted;
                }
            }
        }

        // complete type bindings (i.e. connect super types)
        for (int i = 0; i < unitsIndex; i++) {
            CompilationUnitDeclaration parsedUnit = parsedUnits[i];
            if (parsedUnit != null) {
                try {
                    if (hasLocalType[i]) { // NB: no-op if method bodies have been already parsed
                        if (monitor != null && monitor.isCanceled())
                            throw new OperationCanceledException();
                        parser.getMethodBodies(parsedUnit);
                    }
                } catch (AbortCompilation e) {
                    // classpath problem for this type: don't try to resolve (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=49809)
                    hasLocalType[i] = false;
                }
            }
        }
        // complete type bindings and build fields and methods only for local types
        // (in this case the constructor is needed when resolving local types)
        // (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=145333)
        try {
            this.lookupEnvironment.completeTypeBindings(parsedUnits, hasLocalType, unitsIndex);
            // remember type bindings
            for (int i = 0; i < unitsIndex; i++) {
                CompilationUnitDeclaration parsedUnit = parsedUnits[i];
                if (parsedUnit != null && !parsedUnit.hasErrors()) {
                    boolean containsLocalType = hasLocalType[i];
                    if (containsLocalType) {
                        if (monitor != null && monitor.isCanceled())
                            throw new OperationCanceledException();
                        parsedUnit.scope.faultInTypes();
                        parsedUnit.resolve();
                    }

                    rememberAllTypes(parsedUnit, cus[i], containsLocalType);
                }
            }
        } catch (AbortCompilation e) {
            // skip it silently
        }
        worked(monitor, 1);

        // if no potential subtype was a real subtype of the binary focus type, no need to go further
        // (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=54043)
        if (focusBinaryBinding == null && focus != null && focus.isBinary()) {
            char[] fullyQualifiedName = focus.getFullyQualifiedName().toCharArray();
            focusBinaryBinding = this.lookupEnvironment
                    .getCachedType(CharOperation.splitOn('.', fullyQualifiedName));
            if (focusBinaryBinding == null)
                return;
        }

        reportHierarchy(focus, focusLocalType, focusBinaryBinding);

    } catch (ClassCastException e) { // work-around for 1GF5W1S - can happen in case duplicates are fed to the hierarchy with binaries hiding sources
    } catch (AbortCompilation e) { // ignore this exception for now since it typically means we cannot find java.lang.Object
        if (TypeHierarchy.DEBUG)
            e.printStackTrace();
    } finally {
        reset();
    }
}

From source file:org.eclipse.objectteams.otdt.internal.core.compiler.control.Config.java

License:Open Source License

/**
 * Find the proper object to fetch method bodies and delegate to that object.
 * (if MatchLocator is our client don't use it or its MatchLocatorParser,
 * but a plain Parser!)//from  ww w .  j a  v  a 2 s .c om
 * @param unit
 */
public static void delegateGetMethodBodies(CompilationUnitDeclaration unit) {
    Config config = getConfig();
    Parser parser = config.parser();
    if (config.client instanceof ITypeRequestor) {
        // MatchLocator.getMethodBodies and MatchLocatorParser.getMethodBodies
        // both contribute to locating matches. Unit parser on behalf of
        // Dependencies should however be parsed using a plain Parser:
        if (config.plainParser == null)
            config.plainParser = ((ITypeRequestor) config.client).getPlainParser();
        if (config.plainParser != null)
            parser = config.plainParser;
    }
    parser.getMethodBodies(unit);
}

From source file:org.nabucco.framework.mda.model.java.JavaModelLoader.java

License:Open Source License

/**
 * Process a compilation unit already parsed and build.
 * /*from   w w w.ja v  a2 s  .com*/
 * @param environment
 *            the lookup environment
 * @param parser
 *            the parser
 * @param unit
 *            the compilation unit
 */
private void process(LookupEnvironment environment, Parser parser, CompilationUnitDeclaration unit) {

    environment.unitBeingCompleted = unit;

    parser.getMethodBodies(unit);

    // fault in fields & methods
    if (unit.scope != null) {
        unit.scope.faultInTypes();
    }

    // verify inherited methods
    if (unit.scope != null) {
        unit.scope.verifyMethods(environment.methodVerifier());
    }

    // type checking
    unit.resolve();

    // flow analysis
    unit.analyseCode();

    // code generation
    unit.generateCode();

    if (JavaModelSupport.createCompilerOptions().produceReferenceInfo && unit.scope != null) {
        unit.scope.storeDependencyInfo();
    }

    unit.finalizeProblems();

    environment.unitBeingCompleted = null;

    unit.ignoreFurtherInvestigation = false;
    unit.cleanUp();
}