Method compare

src/function_context.py:297–333

Compare our island to a potential source match. Args: src_ctx (SourceCodeContext): src context representing a source function (potential match) logger (logger): logger instance Return Value: floating point score for the entire match

(self, src_ctx, logger)

        self.match = match

    def compare(self, src_ctx, logger):
        """Compare our island to a potential source match.

        Args:
            src_ctx (SourceCodeContext): src context representing a source function (potential match)
            logger (logger): logger instance

        Return Value:
            floating point score for the entire match
        """
        score = 0
        logger.addIndent()
        boost_score = len(src_ctx.blocks) <= MINIMAL_BLOCKS_BOOST
        # 1. Match constants
        const_score = ComparableContext.compareConsts(src_ctx, self)
        logger.debug("Const score: %f", const_score)
        score += const_score
        # 2. Match strings
        string_score = ComparableContext.compareString(src_ctx, self)
        logger.debug("String score: %f", string_score)
        score += string_score
        # 3. Match calls
        calls_score = ComparableContext.compareCalls(src_ctx, self)
        logger.debug("Calls score: %f", calls_score)
        score += calls_score
        # 4. Match external calls
        externals_score = ComparableContext.compareExternals(src_ctx, self)
        logger.debug("Externals score: %f", externals_score)
        score += externals_score
        # 5. Boost the score
        if boost_score:
            score *= 2
            logger.debug("Score boost")
        # Overall result
        logger.debug("Overall score is: %f", score)
        logger.removeIndent()
        return score

class FunctionContext(ComparableContext):
    """Base class representing the full canonical representation of a function.