Example usage for org.eclipse.jdt.internal.compiler.classfmt ClassFileConstants AccBridge

Introduction

In this page you can find the example usage for org.eclipse.jdt.internal.compiler.classfmt ClassFileConstants AccBridge.

Prototype

int AccBridge

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Usage

From source file:org.eclipse.objectteams.otdt.internal.core.compiler.bytecode.ConstantPoolObjectMapper.java

License:Open Source License

/**
 * Test whether candidate is a suitable adjustment for toLookFor.
 * Traversal uses copyInheritanceSrc and overriddenTSuper.
 * Rank is determined by depth of traversal needed to find a connection.
 *
 * PRE: length of parameterlists has been checked.
 *
 * @return a small positiv integer value if suitable. Integer.MAX_VALUE if candidate is not suitable.
 *//*from  w  ww . j av a2s.  c  o  m*/
private static int rankMethod(MethodBinding toLookFor, MethodBinding candidate, int currentRank) {
    currentRank++;
    if (candidate == null || toLookFor == null)
        return Integer.MAX_VALUE;
    toLookFor = toLookFor.original();
    candidate = candidate.original();
    if (candidate == toLookFor)
        return currentRank;
    if (currentRank > 0 // at top level we search all methods by this name any way.
            && (candidate.modifiers & ClassFileConstants.AccBridge) != 0) {
        // bridge method: there must be a matching regular method: find it:
        MethodBinding[] otherMethods = candidate.declaringClass.getMethods(candidate.selector);
        methods: for (MethodBinding other : otherMethods) {
            if (other != candidate && other.parameters.length == candidate.parameters.length) {
                for (int i = 0; i < other.parameters.length; i++)
                    if (TypeBinding.notEquals(other.parameters[i], candidate.parameters[i]))
                        continue methods;
                if (other == toLookFor)
                    return currentRank;
                break;
            }
        }
    }
    int rank = rankMethod(toLookFor, candidate.copyInheritanceSrc, currentRank);
    if (rank < Integer.MAX_VALUE)
        return rank;
    rank = rankMethod(toLookFor.copyInheritanceSrc, candidate, currentRank);
    if (rank < Integer.MAX_VALUE)
        return rank;
    if (candidate.overriddenTSupers != null)
        for (int i = 0; i < candidate.overriddenTSupers.length; i++) {
            rank = rankMethod(toLookFor, candidate.overriddenTSupers[i], currentRank);
            if (rank < Integer.MAX_VALUE)
                return rank;
        }
    if (toLookFor.overriddenTSupers != null)
        for (int i = 0; i < toLookFor.overriddenTSupers.length; i++) {
            rank = rankMethod(toLookFor.overriddenTSupers[i], candidate, currentRank);
            if (rank < Integer.MAX_VALUE)
                return rank;
        }
    return Integer.MAX_VALUE;
}

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