LineInfo codeIndexToLineInfo()

in core/src/main/java/com/jetbrains/sa/jdi/ConcreteMethodImpl.java [236:277]

• 24 lines of code
• 6 McCabe index (conditional complexity)

    LineInfo codeIndexToLineInfo(SDE.Stratum stratum,
                                 long codeIndex) {
        if (firstIndex == -1) {
            getBaseLocations();
        }

        /*
         * Check for invalid code index.
         */
        if (codeIndex < firstIndex || codeIndex > lastIndex) {
            throw new InternalError(
                    "Location with invalid code index");
        }

        List<LocationImpl> lineLocations = getLocations(stratum).lineLocations;

        /*
         * Check for absent line numbers.
         */
        if (lineLocations.size() == 0) {
            return super.codeIndexToLineInfo(stratum, codeIndex);
        }

        Iterator<LocationImpl> iter = lineLocations.iterator();
        /*
         * Treat code before the beginning of the first line table
         * entry as part of the first line.  javac will generate
         * code like this for some local classes. This "prolog"
         * code contains assignments from locals in the enclosing
         * scope to synthetic fields in the local class.  Same for
         * other language prolog code.
         */
        LocationImpl bestMatch = iter.next();
        while (iter.hasNext()) {
            LocationImpl current = iter.next();
            if (current.codeIndex() > codeIndex) {
                break;
            }
            bestMatch = current;
        }
        return bestMatch.getLineInfo(stratum);
    }