Example usage for org.eclipse.jdt.internal.compiler.ast Wildcard EXTENDS

List of usage examples for org.eclipse.jdt.internal.compiler.ast Wildcard EXTENDS

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In this page you can find the example usage for org.eclipse.jdt.internal.compiler.ast Wildcard EXTENDS.

Prototype

int EXTENDS

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Usage

From source file:ch.uzh.ifi.seal.changedistiller.ast.java.JavaDeclarationConverter.java

License:Apache License

@Override
public boolean visit(Wildcard type, BlockScope scope) {
    String bound = "";
    switch (type.kind) {
    case Wildcard.EXTENDS:
        bound = "extends";
        break;//from  www .  j a  v a  2  s  .  co m
    case Wildcard.SUPER:
        bound = "super";
        break;
    default:
    }
    pushValuedNode(type, bound);
    return true;
}

From source file:com.codenvy.ide.ext.java.server.internal.core.search.matching.PatternLocator.java

License:Open Source License

protected void updateMatch(TypeBinding[] argumentsBinding, MatchLocator locator, char[][] patternArguments,
        boolean hasTypeParameters) {
    // Only possible if locator has an unit scope.
    if (locator.unitScope == null)
        return;//  w  w w.  ja  v a 2  s .co m

    // First compare lengthes
    int patternTypeArgsLength = patternArguments == null ? 0 : patternArguments.length;
    int typeArgumentsLength = argumentsBinding == null ? 0 : argumentsBinding.length;

    // Initialize match rule
    int matchRule = this.match.getRule();
    if (this.match.isRaw()) {
        if (patternTypeArgsLength != 0) {
            matchRule &= ~SearchPattern.R_FULL_MATCH;
        }
    }
    if (hasTypeParameters) {
        matchRule = SearchPattern.R_ERASURE_MATCH;
    }

    // Compare arguments lengthes
    if (patternTypeArgsLength == typeArgumentsLength) {
        if (!this.match.isRaw() && hasTypeParameters) {
            // generic patterns are always not compatible match
            this.match.setRule(SearchPattern.R_ERASURE_MATCH);
            return;
        }
    } else {
        if (patternTypeArgsLength == 0) {
            if (!this.match.isRaw() || hasTypeParameters) {
                this.match.setRule(matchRule & ~SearchPattern.R_FULL_MATCH);
            }
        } else if (typeArgumentsLength == 0) {
            // raw binding is always compatible
            this.match.setRule(matchRule & ~SearchPattern.R_FULL_MATCH);
        } else {
            this.match.setRule(0); // impossible match
        }
        return;
    }
    if (argumentsBinding == null || patternArguments == null) {
        this.match.setRule(matchRule);
        return;
    }

    // Compare binding for each type argument only if pattern is not erasure only and at first level
    if (!hasTypeParameters && !this.match.isRaw() && (this.match.isEquivalent() || this.match.isExact())) {
        for (int i = 0; i < typeArgumentsLength; i++) {
            // Get parameterized type argument binding
            TypeBinding argumentBinding = argumentsBinding[i];
            if (argumentBinding instanceof CaptureBinding) {
                WildcardBinding capturedWildcard = ((CaptureBinding) argumentBinding).wildcard;
                if (capturedWildcard != null)
                    argumentBinding = capturedWildcard;
            }
            // Get binding for pattern argument
            char[] patternTypeArgument = patternArguments[i];
            char patternWildcard = patternTypeArgument[0];
            char[] patternTypeName = patternTypeArgument;
            int patternWildcardKind = -1;
            switch (patternWildcard) {
            case Signature.C_STAR:
                if (argumentBinding.isWildcard()) {
                    WildcardBinding wildcardBinding = (WildcardBinding) argumentBinding;
                    if (wildcardBinding.boundKind == Wildcard.UNBOUND)
                        continue;
                }
                matchRule &= ~SearchPattern.R_FULL_MATCH;
                continue; // unbound parameter always match
            case Signature.C_EXTENDS:
                patternWildcardKind = Wildcard.EXTENDS;
                patternTypeName = CharOperation.subarray(patternTypeArgument, 1, patternTypeArgument.length);
                break;
            case Signature.C_SUPER:
                patternWildcardKind = Wildcard.SUPER;
                patternTypeName = CharOperation.subarray(patternTypeArgument, 1, patternTypeArgument.length);
                break;
            default:
                break;
            }
            patternTypeName = Signature.toCharArray(patternTypeName);
            TypeBinding patternBinding = locator.getType(patternTypeArgument, patternTypeName);

            // If have no binding for pattern arg, then we won't be able to refine accuracy
            if (patternBinding == null) {
                if (argumentBinding.isWildcard()) {
                    WildcardBinding wildcardBinding = (WildcardBinding) argumentBinding;
                    if (wildcardBinding.boundKind == Wildcard.UNBOUND) {
                        matchRule &= ~SearchPattern.R_FULL_MATCH;
                    } else {
                        this.match.setRule(SearchPattern.R_ERASURE_MATCH);
                        return;
                    }
                }
                continue;
            }

            // Verify tha pattern binding is compatible with match type argument binding
            switch (patternWildcard) {
            case Signature.C_STAR: // UNBOUND pattern
                // unbound always match => skip to next argument
                matchRule &= ~SearchPattern.R_FULL_MATCH;
                continue;
            case Signature.C_EXTENDS: // EXTENDS pattern
                if (argumentBinding.isWildcard()) { // argument is a wildcard
                    WildcardBinding wildcardBinding = (WildcardBinding) argumentBinding;
                    // It's ok if wildcards are identical
                    if (wildcardBinding.boundKind == patternWildcardKind
                            && wildcardBinding.bound == patternBinding) {
                        continue;
                    }
                    // Look for wildcard compatibility
                    switch (wildcardBinding.boundKind) {
                    case Wildcard.EXTENDS:
                        if (wildcardBinding.bound == null
                                || wildcardBinding.bound.isCompatibleWith(patternBinding)) {
                            // valid when arg extends a subclass of pattern
                            matchRule &= ~SearchPattern.R_FULL_MATCH;
                            continue;
                        }
                        break;
                    case Wildcard.SUPER:
                        break;
                    case Wildcard.UNBOUND:
                        matchRule &= ~SearchPattern.R_FULL_MATCH;
                        continue;
                    }
                } else if (argumentBinding.isCompatibleWith(patternBinding)) {
                    // valid when arg is a subclass of pattern
                    matchRule &= ~SearchPattern.R_FULL_MATCH;
                    continue;
                }
                break;
            case Signature.C_SUPER: // SUPER pattern
                if (argumentBinding.isWildcard()) { // argument is a wildcard
                    WildcardBinding wildcardBinding = (WildcardBinding) argumentBinding;
                    // It's ok if wildcards are identical
                    if (wildcardBinding.boundKind == patternWildcardKind
                            && wildcardBinding.bound == patternBinding) {
                        continue;
                    }
                    // Look for wildcard compatibility
                    switch (wildcardBinding.boundKind) {
                    case Wildcard.EXTENDS:
                        break;
                    case Wildcard.SUPER:
                        if (wildcardBinding.bound == null
                                || patternBinding.isCompatibleWith(wildcardBinding.bound)) {
                            // valid only when arg super a superclass of pattern
                            matchRule &= ~SearchPattern.R_FULL_MATCH;
                            continue;
                        }
                        break;
                    case Wildcard.UNBOUND:
                        matchRule &= ~SearchPattern.R_FULL_MATCH;
                        continue;
                    }
                } else if (patternBinding.isCompatibleWith(argumentBinding)) {
                    // valid only when arg is a superclass of pattern
                    matchRule &= ~SearchPattern.R_FULL_MATCH;
                    continue;
                }
                break;
            default:
                if (argumentBinding.isWildcard()) {
                    WildcardBinding wildcardBinding = (WildcardBinding) argumentBinding;
                    switch (wildcardBinding.boundKind) {
                    case Wildcard.EXTENDS:
                        if (wildcardBinding.bound == null
                                || patternBinding.isCompatibleWith(wildcardBinding.bound)) {
                            // valid only when arg extends a superclass of pattern
                            matchRule &= ~SearchPattern.R_FULL_MATCH;
                            continue;
                        }
                        break;
                    case Wildcard.SUPER:
                        if (wildcardBinding.bound == null
                                || wildcardBinding.bound.isCompatibleWith(patternBinding)) {
                            // valid only when arg super a subclass of pattern
                            matchRule &= ~SearchPattern.R_FULL_MATCH;
                            continue;
                        }
                        break;
                    case Wildcard.UNBOUND:
                        matchRule &= ~SearchPattern.R_FULL_MATCH;
                        continue;
                    }
                } else if (argumentBinding == patternBinding)
                    // valid only when arg is equals to pattern
                    continue;
                break;
            }

            // Argument does not match => erasure match will be the only possible one
            this.match.setRule(SearchPattern.R_ERASURE_MATCH);
            return;
        }
    }

    // Set match rule
    this.match.setRule(matchRule);
}

From source file:com.codenvy.ide.ext.java.server.internal.core.search.matching.PatternLocator.java

License:Open Source License

protected int resolveLevelForType(char[] simpleNamePattern, char[] qualificationPattern,
        char[][][] patternTypeArguments, int depth, TypeBinding type) {
    // standard search with no generic additional information must succeed
    int level = resolveLevelForType(simpleNamePattern, qualificationPattern, type);
    if (level == IMPOSSIBLE_MATCH)
        return IMPOSSIBLE_MATCH;
    if (type == null || patternTypeArguments == null || patternTypeArguments.length == 0
            || depth >= patternTypeArguments.length) {
        return level;
    }//from ww  w.  j  a  va 2s  .  c  o m

    // if pattern is erasure match (see bug 79790), commute impossible to erasure
    int impossible = this.isErasureMatch ? ERASURE_MATCH : IMPOSSIBLE_MATCH;

    // pattern has type parameter(s) or type argument(s)
    if (type.isGenericType()) {
        // Binding is generic, get its type variable(s)
        TypeVariableBinding[] typeVariables = null;
        if (type instanceof SourceTypeBinding) {
            SourceTypeBinding sourceTypeBinding = (SourceTypeBinding) type;
            typeVariables = sourceTypeBinding.typeVariables;
        } else if (type instanceof BinaryTypeBinding) {
            BinaryTypeBinding binaryTypeBinding = (BinaryTypeBinding) type;
            if (this.mustResolve)
                typeVariables = binaryTypeBinding.typeVariables(); // TODO (frederic) verify performance
        }
        if (patternTypeArguments[depth] != null && patternTypeArguments[depth].length > 0
                && typeVariables != null && typeVariables.length > 0) {
            if (typeVariables.length != patternTypeArguments[depth].length)
                return IMPOSSIBLE_MATCH;
        }
        // TODO (frederic) do we need to verify each parameter?
        return level; // we can't do better
    }

    // raw type always match
    if (type.isRawType()) {
        return level;
    }

    // Standard types (i.e. neither generic nor parameterized nor raw types)
    // cannot match pattern with type parameters or arguments
    TypeBinding leafType = type.leafComponentType();
    if (!leafType.isParameterizedType()) {
        return (patternTypeArguments[depth] == null || patternTypeArguments[depth].length == 0) ? level
                : IMPOSSIBLE_MATCH;
    }

    // Parameterized type
    ParameterizedTypeBinding paramTypeBinding = (ParameterizedTypeBinding) leafType;

    // Compare arguments only if there ones on both sides
    if (patternTypeArguments[depth] != null && patternTypeArguments[depth].length > 0
            && paramTypeBinding.arguments != null && paramTypeBinding.arguments.length > 0) {

        // type parameters length must match at least specified type names length
        int length = patternTypeArguments[depth].length;
        if (paramTypeBinding.arguments.length != length)
            return IMPOSSIBLE_MATCH;

        // verify each pattern type parameter
        nextTypeArgument: for (int i = 0; i < length; i++) {
            char[] patternTypeArgument = patternTypeArguments[depth][i];
            TypeBinding argTypeBinding = paramTypeBinding.arguments[i];
            // get corresponding pattern wildcard
            switch (patternTypeArgument[0]) {
            case Signature.C_STAR: // unbound parameter always match
            case Signature.C_SUPER: // needs pattern type parameter binding
                // skip to next type argument as it will be resolved later
                continue nextTypeArgument;
            case Signature.C_EXTENDS:
                // remove wildcard from patter type argument
                patternTypeArgument = CharOperation.subarray(patternTypeArgument, 1,
                        patternTypeArgument.length);
                break;
            default:
                // no wildcard
                break;
            }
            // get pattern type argument from its signature
            patternTypeArgument = Signature.toCharArray(patternTypeArgument);
            if (!this.isCaseSensitive)
                patternTypeArgument = CharOperation.toLowerCase(patternTypeArgument);
            boolean patternTypeArgHasAnyChars = CharOperation.contains(new char[] { '*', '?' },
                    patternTypeArgument);

            // Verify that names match...
            // ...special case for wildcard
            if (argTypeBinding instanceof CaptureBinding) {
                WildcardBinding capturedWildcard = ((CaptureBinding) argTypeBinding).wildcard;
                if (capturedWildcard != null)
                    argTypeBinding = capturedWildcard;
            }
            if (argTypeBinding.isWildcard()) {
                WildcardBinding wildcardBinding = (WildcardBinding) argTypeBinding;
                switch (wildcardBinding.boundKind) {
                case Wildcard.EXTENDS:
                    // Invalid if type argument is not exact
                    if (patternTypeArgHasAnyChars)
                        return impossible;
                    continue nextTypeArgument;
                case Wildcard.UNBOUND:
                    // there's no bound name to match => valid
                    continue nextTypeArgument;
                }
                // Look if bound name match pattern type argument
                ReferenceBinding boundBinding = (ReferenceBinding) wildcardBinding.bound;
                if (CharOperation.match(patternTypeArgument, boundBinding.shortReadableName(),
                        this.isCaseSensitive)
                        || CharOperation.match(patternTypeArgument, boundBinding.readableName(),
                                this.isCaseSensitive)) {
                    // found name in hierarchy => match
                    continue nextTypeArgument;
                }

                // If pattern is not exact then match fails
                if (patternTypeArgHasAnyChars)
                    return impossible;

                // Look for bound name in type argument superclasses
                boundBinding = boundBinding.superclass();
                while (boundBinding != null) {
                    if (CharOperation.equals(patternTypeArgument, boundBinding.shortReadableName(),
                            this.isCaseSensitive)
                            || CharOperation.equals(patternTypeArgument, boundBinding.readableName(),
                                    this.isCaseSensitive)) {
                        // found name in hierarchy => match
                        continue nextTypeArgument;
                    } else if (boundBinding.isLocalType() || boundBinding.isMemberType()) {
                        // for local or member type, verify also source name (bug 81084)
                        if (CharOperation.match(patternTypeArgument, boundBinding.sourceName(),
                                this.isCaseSensitive))
                            continue nextTypeArgument;
                    }
                    boundBinding = boundBinding.superclass();
                }
                return impossible;
            }

            // See if names match
            if (CharOperation.match(patternTypeArgument, argTypeBinding.shortReadableName(),
                    this.isCaseSensitive)
                    || CharOperation.match(patternTypeArgument, argTypeBinding.readableName(),
                            this.isCaseSensitive)) {
                continue nextTypeArgument;
            } else if (argTypeBinding.isLocalType() || argTypeBinding.isMemberType()) {
                // for local or member type, verify also source name (bug 81084)
                if (CharOperation.match(patternTypeArgument, argTypeBinding.sourceName(), this.isCaseSensitive))
                    continue nextTypeArgument;
            }

            // If pattern is not exact then match fails
            if (patternTypeArgHasAnyChars)
                return impossible;

            // Scan hierarchy
            TypeBinding leafTypeBinding = argTypeBinding.leafComponentType();
            if (leafTypeBinding.isBaseType())
                return impossible;
            ReferenceBinding refBinding = ((ReferenceBinding) leafTypeBinding).superclass();
            while (refBinding != null) {
                if (CharOperation.equals(patternTypeArgument, refBinding.shortReadableName(),
                        this.isCaseSensitive)
                        || CharOperation.equals(patternTypeArgument, refBinding.readableName(),
                                this.isCaseSensitive)) {
                    // found name in hierarchy => match
                    continue nextTypeArgument;
                } else if (refBinding.isLocalType() || refBinding.isMemberType()) {
                    // for local or member type, verify also source name (bug 81084)
                    if (CharOperation.match(patternTypeArgument, refBinding.sourceName(), this.isCaseSensitive))
                        continue nextTypeArgument;
                }
                refBinding = refBinding.superclass();
            }
            return impossible;
        }
    }

    // Recurse on enclosing type
    TypeBinding enclosingType = paramTypeBinding.enclosingType();
    if (enclosingType != null && enclosingType.isParameterizedType() && depth < patternTypeArguments.length
            && qualificationPattern != null) {
        int lastDot = CharOperation.lastIndexOf('.', qualificationPattern);
        char[] enclosingQualificationPattern = lastDot == -1 ? null
                : CharOperation.subarray(qualificationPattern, 0, lastDot);
        char[] enclosingSimpleNamePattern = lastDot == -1 ? qualificationPattern
                : CharOperation.subarray(qualificationPattern, lastDot + 1, qualificationPattern.length);
        int enclosingLevel = resolveLevelForType(enclosingSimpleNamePattern, enclosingQualificationPattern,
                patternTypeArguments, depth + 1, enclosingType);
        if (enclosingLevel == impossible)
            return impossible;
        if (enclosingLevel == IMPOSSIBLE_MATCH)
            return IMPOSSIBLE_MATCH;
    }
    return level;
}

From source file:com.google.gwt.dev.javac.GWTProblemTest.java

License:Apache License

public void testRecordError() {
    String fileName = "TestCompilationUnit.java";
    String errorMessage = "Unit has errors";
    CompilationResult compilationResult = new CompilationResult(fileName.toCharArray(), 0, 0, 0);
    CompilationUnitDeclaration cud = new CompilationUnitDeclaration(null, compilationResult, 0);

    HelpInfo info = new HelpInfo() {
    };/* ww  w  .j av a  2s  .c om*/

    // Pick an Expression subtype to pass in
    GWTProblem.recordError(new Wildcard(Wildcard.EXTENDS), cud, errorMessage, info);

    CategorizedProblem[] errors = compilationResult.getErrors();
    assertEquals(1, errors.length);
    GWTProblem problem = (GWTProblem) errors[0];
    assertTrue(problem.isError());
    assertEquals(1, problem.getSourceLineNumber());
    assertEquals(errorMessage, problem.getMessage());
    assertSame(info, problem.getHelpInfo());
}

From source file:com.redhat.ceylon.eclipse.core.model.loader.JDTType.java

License:Open Source License

@Override
public TypeMirror getUpperBound() {
    if (!upperBoundSet) {
        if (type.isWildcard()) {
            WildcardBinding wildcardBinding = (WildcardBinding) type;
            if (wildcardBinding.boundKind == Wildcard.EXTENDS) {
                TypeBinding upperBoundBinding = wildcardBinding.bound;
                if (upperBoundBinding != null) {
                    upperBound = new JDTType(upperBoundBinding, lookupEnvironment);
                }/*from w w  w .ja  v a 2  s.  c o m*/
            }
        }
        upperBoundSet = true;
    }
    return upperBound;
}

From source file:com.redhat.ceylon.eclipse.core.model.mirror.UnknownTypeMirror.java

License:Open Source License

public JDTType(TypeBinding type, IdentityHashMap<TypeBinding, JDTType> originatingTypes) {
    originatingTypes.put(type, this);

    // type params are not qualified
    if (type instanceof TypeVariableBinding)
        qualifiedName = new String(type.qualifiedSourceName());
    else//from w w w .  ja v a 2s .c  o m
        qualifiedName = JDTUtils.getFullyQualifiedName(type);

    typeKind = findKind(type);

    isPrimitive = type.isBaseType() && type.id != TypeIds.T_void && type.id != TypeIds.T_null;

    isRaw = type.isRawType();

    if (type instanceof ParameterizedTypeBinding && !(type instanceof RawTypeBinding)) {
        TypeBinding[] javaTypeArguments = ((ParameterizedTypeBinding) type).arguments;
        if (javaTypeArguments == null) {
            javaTypeArguments = new TypeBinding[0];
        }
        typeArguments = new ArrayList<TypeMirror>(javaTypeArguments.length);
        for (TypeBinding typeArgument : javaTypeArguments)
            typeArguments.add(toTypeMirror(typeArgument, type, this, originatingTypes));
    } else {
        typeArguments = Collections.emptyList();
    }

    if (type instanceof ArrayBinding) {
        TypeBinding jdtComponentType = ((ArrayBinding) type).elementsType();
        componentType = toTypeMirror(jdtComponentType, type, this, originatingTypes);
    } else {
        componentType = null;
    }

    if (type.isWildcard()) {
        WildcardBinding wildcardBinding = (WildcardBinding) type;
        if (wildcardBinding.boundKind == Wildcard.EXTENDS) {
            TypeBinding upperBoundBinding = wildcardBinding.bound;
            if (upperBoundBinding != null) {
                upperBound = toTypeMirror(upperBoundBinding, type, this, originatingTypes);
            }
        }
    } else if (type.isTypeVariable()) {
        TypeVariableBinding typeVariableBinding = (TypeVariableBinding) type;
        TypeBinding boundBinding = typeVariableBinding.firstBound; // TODO : we should confirm this
        if (boundBinding != null) {
            upperBound = toTypeMirror(boundBinding, type, this, originatingTypes);
        }
    } else {
        upperBound = null;
    }

    if (type.isWildcard()) {
        WildcardBinding wildcardBinding = (WildcardBinding) type;
        if (wildcardBinding.boundKind == Wildcard.SUPER) {
            TypeBinding lowerBoundBinding = wildcardBinding.bound;
            if (lowerBoundBinding != null) {
                lowerBound = toTypeMirror(lowerBoundBinding, type, this, originatingTypes);
            }
        }
    }

    if (type instanceof ParameterizedTypeBinding || type instanceof SourceTypeBinding
            || type instanceof BinaryTypeBinding) {
        ReferenceBinding refBinding = (ReferenceBinding) type;
        declaredClass = new JDTClass(refBinding, JDTModelLoader.toType(refBinding));
    }

    if (type instanceof TypeVariableBinding) {
        typeParameter = new JDTTypeParameter((TypeVariableBinding) type, this, originatingTypes);
    }
}

From source file:lombok.eclipse.handlers.ast.EclipseASTMaker.java

License:Open Source License

@Override
public ASTNode visitWildcard(final lombok.ast.Wildcard node, final Void p) {
    int kind = Wildcard.UNBOUND;
    if (node.getBound() != null) {
        switch (node.getBound()) {
        case SUPER:
            kind = Wildcard.SUPER;//from  ww  w. ja v  a  2  s.  c om
            break;
        default:
        case EXTENDS:
            kind = Wildcard.EXTENDS;
        }
    }
    final Wildcard wildcard = new Wildcard(kind);
    setGeneratedByAndCopyPos(wildcard, source, posHintOf(node));
    wildcard.bound = build(node.getType());
    return wildcard;
}

From source file:lombok.eclipse.handlers.EclipseHandlerUtil.java

License:Open Source License

public static TypeReference makeType(TypeBinding binding, ASTNode pos, boolean allowCompound) {
    int dims = binding.dimensions();
    binding = binding.leafComponentType();

    // Primitives

    char[] base = null;

    switch (binding.id) {
    case TypeIds.T_int:
        base = TypeConstants.INT;/*  ww  w  . j  a  v  a  2 s.co  m*/
        break;
    case TypeIds.T_long:
        base = TypeConstants.LONG;
        break;
    case TypeIds.T_short:
        base = TypeConstants.SHORT;
        break;
    case TypeIds.T_byte:
        base = TypeConstants.BYTE;
        break;
    case TypeIds.T_double:
        base = TypeConstants.DOUBLE;
        break;
    case TypeIds.T_float:
        base = TypeConstants.FLOAT;
        break;
    case TypeIds.T_boolean:
        base = TypeConstants.BOOLEAN;
        break;
    case TypeIds.T_char:
        base = TypeConstants.CHAR;
        break;
    case TypeIds.T_void:
        base = TypeConstants.VOID;
        break;
    case TypeIds.T_null:
        return null;
    }

    if (base != null) {
        if (dims > 0) {
            TypeReference result = new ArrayTypeReference(base, dims, pos(pos));
            setGeneratedBy(result, pos);
            return result;
        }
        TypeReference result = new SingleTypeReference(base, pos(pos));
        setGeneratedBy(result, pos);
        return result;
    }

    if (binding.isAnonymousType()) {
        ReferenceBinding ref = (ReferenceBinding) binding;
        ReferenceBinding[] supers = ref.superInterfaces();
        if (supers == null || supers.length == 0)
            supers = new ReferenceBinding[] { ref.superclass() };
        if (supers[0] == null) {
            TypeReference result = new QualifiedTypeReference(TypeConstants.JAVA_LANG_OBJECT, poss(pos, 3));
            setGeneratedBy(result, pos);
            return result;
        }
        return makeType(supers[0], pos, false);
    }

    if (binding instanceof CaptureBinding) {
        return makeType(((CaptureBinding) binding).wildcard, pos, allowCompound);
    }

    if (binding.isUnboundWildcard()) {
        if (!allowCompound) {
            TypeReference result = new QualifiedTypeReference(TypeConstants.JAVA_LANG_OBJECT, poss(pos, 3));
            setGeneratedBy(result, pos);
            return result;
        } else {
            Wildcard out = new Wildcard(Wildcard.UNBOUND);
            setGeneratedBy(out, pos);
            out.sourceStart = pos.sourceStart;
            out.sourceEnd = pos.sourceEnd;
            return out;
        }
    }

    if (binding.isWildcard()) {
        WildcardBinding wildcard = (WildcardBinding) binding;
        if (wildcard.boundKind == Wildcard.EXTENDS) {
            if (!allowCompound) {
                return makeType(wildcard.bound, pos, false);
            } else {
                Wildcard out = new Wildcard(Wildcard.EXTENDS);
                setGeneratedBy(out, pos);
                out.bound = makeType(wildcard.bound, pos, false);
                out.sourceStart = pos.sourceStart;
                out.sourceEnd = pos.sourceEnd;
                return out;
            }
        } else if (allowCompound && wildcard.boundKind == Wildcard.SUPER) {
            Wildcard out = new Wildcard(Wildcard.SUPER);
            setGeneratedBy(out, pos);
            out.bound = makeType(wildcard.bound, pos, false);
            out.sourceStart = pos.sourceStart;
            out.sourceEnd = pos.sourceEnd;
            return out;
        } else {
            TypeReference result = new QualifiedTypeReference(TypeConstants.JAVA_LANG_OBJECT, poss(pos, 3));
            setGeneratedBy(result, pos);
            return result;
        }
    }

    // Keep moving up via 'binding.enclosingType()' and gather generics from each binding. We stop after a local type, or a static type, or a top-level type.
    // Finally, add however many nullTypeArgument[] arrays as that are missing, inverse the list, toArray it, and use that as PTR's typeArgument argument.

    List<TypeReference[]> params = new ArrayList<TypeReference[]>();
    /* Calculate generics */ {
        TypeBinding b = binding;
        while (true) {
            boolean isFinalStop = b.isLocalType() || !b.isMemberType() || b.enclosingType() == null;

            TypeReference[] tyParams = null;
            if (b instanceof ParameterizedTypeBinding) {
                ParameterizedTypeBinding paramized = (ParameterizedTypeBinding) b;
                if (paramized.arguments != null) {
                    tyParams = new TypeReference[paramized.arguments.length];
                    for (int i = 0; i < tyParams.length; i++) {
                        tyParams[i] = makeType(paramized.arguments[i], pos, true);
                    }
                }
            }

            params.add(tyParams);
            if (isFinalStop)
                break;
            b = b.enclosingType();
        }
    }

    char[][] parts;

    if (binding.isTypeVariable()) {
        parts = new char[][] { binding.shortReadableName() };
    } else if (binding.isLocalType()) {
        parts = new char[][] { binding.sourceName() };
    } else {
        String[] pkg = new String(binding.qualifiedPackageName()).split("\\.");
        String[] name = new String(binding.qualifiedSourceName()).split("\\.");
        if (pkg.length == 1 && pkg[0].isEmpty())
            pkg = new String[0];
        parts = new char[pkg.length + name.length][];
        int ptr;
        for (ptr = 0; ptr < pkg.length; ptr++)
            parts[ptr] = pkg[ptr].toCharArray();
        for (; ptr < pkg.length + name.length; ptr++)
            parts[ptr] = name[ptr - pkg.length].toCharArray();
    }

    while (params.size() < parts.length)
        params.add(null);
    Collections.reverse(params);

    boolean isParamized = false;

    for (TypeReference[] tyParams : params) {
        if (tyParams != null) {
            isParamized = true;
            break;
        }
    }
    if (isParamized) {
        if (parts.length > 1) {
            TypeReference[][] typeArguments = params.toArray(new TypeReference[0][]);
            TypeReference result = new ParameterizedQualifiedTypeReference(parts, typeArguments, dims,
                    poss(pos, parts.length));
            setGeneratedBy(result, pos);
            return result;
        }
        TypeReference result = new ParameterizedSingleTypeReference(parts[0], params.get(0), dims, pos(pos));
        setGeneratedBy(result, pos);
        return result;
    }

    if (dims > 0) {
        if (parts.length > 1) {
            TypeReference result = new ArrayQualifiedTypeReference(parts, dims, poss(pos, parts.length));
            setGeneratedBy(result, pos);
            return result;
        }
        TypeReference result = new ArrayTypeReference(parts[0], dims, pos(pos));
        setGeneratedBy(result, pos);
        return result;
    }

    if (parts.length > 1) {
        TypeReference result = new QualifiedTypeReference(parts, poss(pos, parts.length));
        setGeneratedBy(result, pos);
        return result;
    }
    TypeReference result = new SingleTypeReference(parts[0], pos(pos));
    setGeneratedBy(result, pos);
    return result;
}

From source file:org.codehaus.jdt.groovy.internal.compiler.ast.GroovyCompilationUnitDeclaration.java

License:Open Source License

private TypeReference createTypeReferenceForClassNode(GenericsType genericsType) {
    if (genericsType.isWildcard()) {
        ClassNode[] bounds = genericsType.getUpperBounds();
        if (bounds != null) {
            // FIXASC other bounds?
            // positions example: (29>31)Set<(33>54)? extends (43>54)Serializable>
            TypeReference boundReference = createTypeReferenceForClassNode(bounds[0]);
            Wildcard wildcard = new Wildcard(Wildcard.EXTENDS);
            wildcard.sourceStart = genericsType.getStart();
            wildcard.sourceEnd = boundReference.sourceEnd();
            wildcard.bound = boundReference;
            return wildcard;
        } else if (genericsType.getLowerBound() != null) {
            // positions example: (67>69)Set<(71>84)? super (79>84)Number>
            TypeReference boundReference = createTypeReferenceForClassNode(genericsType.getLowerBound());
            Wildcard wildcard = new Wildcard(Wildcard.SUPER);
            wildcard.sourceStart = genericsType.getStart();
            wildcard.sourceEnd = boundReference.sourceEnd();
            wildcard.bound = boundReference;
            return wildcard;
        } else {//from w  w w.j a  v a 2 s.co  m
            Wildcard w = new Wildcard(Wildcard.UNBOUND);
            w.sourceStart = genericsType.getStart();
            w.sourceEnd = genericsType.getStart();
            return w;
        }
        // FIXASC what does the check on this next really line mean?
    } else if (!genericsType.getType().isGenericsPlaceHolder()) {
        TypeReference typeReference = createTypeReferenceForClassNode(genericsType.getType());
        return typeReference;
    } else {
        // this means it is a placeholder. As an example, if the reference is to 'List'
        // then the genericsType info may include a placeholder for the type variable (as the user
        // didn't fill it in as anything) and so for this example the genericsType is 'E extends java.lang.Object'
        // I don't think we need a type reference for this as the type references we are constructed
        // here are representative of what the user did in the source, not the resolved result of that.
        // throw new GroovyEclipseBug();
        return null;
    }
}

From source file:org.codehaus.jdt.groovy.internal.compiler.ast.JDTClassNodeBuilder.java

License:Open Source License

private TypeBinding[] getUpperbounds(WildcardBinding wildcardType) {
    if (wildcardType.boundKind == Wildcard.EXTENDS) {
        List<TypeBinding> bounds = new ArrayList<TypeBinding>();
        bounds.add(wildcardType.bound);//from  w  w  w  .j av  a 2 s.co  m
        if (wildcardType.otherBounds != null) {
            for (int b = 0; b < wildcardType.otherBounds.length; b++) {
                bounds.add(wildcardType.otherBounds[b]);
            }
        }
        return bounds.toArray(new TypeBinding[bounds.size()]);
    }
    return new TypeBinding[] { wildcardType.erasure() };
    // return new TypeBinding[] { resolver.getScope().getJavaLangObject() };
}