Example usage for org.eclipse.jdt.internal.compiler.lookup TypeBinding shortReadableName

List of usage examples for org.eclipse.jdt.internal.compiler.lookup TypeBinding shortReadableName

Introduction

In this page you can find the example usage for org.eclipse.jdt.internal.compiler.lookup TypeBinding shortReadableName.

Prototype

public char[] shortReadableName() 

Source Link

Usage

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 w w w. j av a2s  .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: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;/*from www . j  a  v  a 2s  .c  o 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.eclipse.recommenders.internal.chain.rcp.CompletionTemplateBuilder.java

License:Open Source License

private static void appendParameters(final StringBuilder sb, final MethodBinding method,
        final Multiset<String> varNames) {
    sb.append("("); //$NON-NLS-1$
    for (final TypeBinding parameter : method.parameters) {
        String parameterName = StringUtils.uncapitalize(String.valueOf(parameter.shortReadableName()));
        parameterName = StringUtils.substringBefore(parameterName, "<"); //$NON-NLS-1$
        appendTemplateVariable(sb, parameterName, varNames);
        sb.append(", "); //$NON-NLS-1$
    }/*from ww w  .java2  s .  c  o  m*/
    if (method.parameters.length > 0) {
        deleteLastChar(sb);
        deleteLastChar(sb);
    }
    sb.append(")"); //$NON-NLS-1$
}