public function generate()
    {
        $source = file_get_contents($this->getFilename());
        $tokens = Tokenizer::getTokens($source);
        $lineNumber = 1;
        $methodName = '???';
        $className = '???';
        $namespace = '';
        $inMethod = false;
        $inMethodBlock = false;
        $methodCurlyCount = 0;
        $tokenCount = count($tokens);
        foreach ($tokens as $index => $token) {
            if (is_array($token) && $token[0] == Tokenizer::T_NEWLINE) {
                $lineNumber = $token[2] + 1;
                continue;
            }

            if (is_array($token) && $token[0] == T_NAMESPACE) {
                for ($j=$index+1; $j<$tokenCount; $j++) {
                    if ($tokens[$j][0] == T_STRING) {
                        $namespace .= '\\' . $tokens[$j][1];
                    } elseif ($tokens[$j] == '{' || $tokens[$j] == ';') {
                        break;
                    }
                }
                continue;
            }

            if (is_array($token) && ($token[0] == T_CLASS || $token[0] == T_INTERFACE || $token[0] == T_TRAIT)
            && $tokens[$index-1][0] !== T_DOUBLE_COLON) {
                $className = $namespace . '\\' . $tokens[$index+2][1];
                continue;
            }

            //TODO: handle whitespace!
            if (is_array($token) && $token[0] == T_FUNCTION && '???' !== $className) {
                if (!isset($tokens[$index+2][1])) {
                    continue; // ignore closure
                }
                $methodName = $tokens[$index+2][1];
                $inMethod = true;
                continue;
            }

            /**
             * Limit mutation generation to the interior of methods (for now!)
             */
            if (true === $inMethod && false === $inMethodBlock && $methodCurlyCount == 0
            && !($token == '{' || (is_array($token) && $token[0] == T_CURLY_OPEN))) {
                continue; //skip over argument list
            }
            if ($inMethod) {
                if ($token == '{' || (is_array($token) && $token[0] == T_CURLY_OPEN)) {
                    $methodCurlyCount += 1;
                    $inMethodBlock = true;
                    continue;
                } elseif ($token == '}') {
                    $methodCurlyCount -= 1;
                    continue;
                }
                if ($methodCurlyCount == 0) {
                    $inMethodBlock = false;
                    $inMethod = false;
                    continue;
                }
            }

            if (true === $inMethodBlock) {
                foreach ($this->mutators as $mutator) {
                    if ($mutator::mutates($tokens, $index)) {
                        $this->mutations[] = new Mutation(
                            $this->getFilename(),
                            $lineNumber,
                            $className,
                            $methodName,
                            $index,
                            $mutator
                        );
                    }
                }
            }
        }
        return $this;
    }
public function generate()
    {
        $source = file_get_contents($this->getFilename());
        $tokens = Tokenizer::getTokens($source);
        $lineNumber = 1;
        $methodName = '???';
        $className = '???';
        $namespace = '';
        $inMethod = false;
        $inMethodBlock = false;
        $methodCurlyCount = 0;
        $tokenCount = count($tokens);
        foreach ($tokens as $index => $token) {
            if (is_array($token) && $token[0] == Tokenizer::T_NEWLINE) {
                $lineNumber = $token[2] + 1;
                continue;
            }

            if (is_array($token) && $token[0] == T_NAMESPACE) {
                for ($j=$index+1; $j<$tokenCount; $j++) {
                    if ($tokens[$j][0] == T_STRING) {
                        $namespace .= '\\' . $tokens[$j][1];
                    } elseif ($tokens[$j] == '{' || $tokens[$j] == ';') {
                        break;
                    }
                }
                continue;
            }

            if (is_array($token) && ($token[0] == T_CLASS || $token[0] == T_INTERFACE || $token[0] == T_TRAIT)
            && $tokens[$index-1][0] !== T_DOUBLE_COLON) {
                $className = $namespace . '\\' . $tokens[$index+2][1];
                continue;
            }

            
            if (is_array($token) && $token[0] == T_FUNCTION && '???' !== $className) {
                if (!isset($tokens[$index+2][1])) {
                    continue; 
                }
                $methodName = $tokens[$index+2][1];
                $inMethod = true;
                continue;
            }

            
            if (true === $inMethod && false === $inMethodBlock && $methodCurlyCount == 0
            && !($token == '{' || (is_array($token) && $token[0] == T_CURLY_OPEN))) {
                continue; 
            }
            if ($inMethod) {
                if ($token == '{' || (is_array($token) && $token[0] == T_CURLY_OPEN)) {
                    $methodCurlyCount += 1;
                    $inMethodBlock = true;
                    continue;
                } elseif ($token == '}') {
                    $methodCurlyCount -= 1;
                    continue;
                }
                if ($methodCurlyCount == 0) {
                    $inMethodBlock = false;
                    $inMethod = false;
                    continue;
                }
            }

            if (true === $inMethodBlock) {
                foreach ($this->mutators as $mutator) {
                    if ($mutator::mutates($tokens, $index)) {
                        $this->mutations[] = new Mutation(
                            $this->getFilename(),
                            $lineNumber,
                            $className,
                            $methodName,
                            $index,
                            $mutator
                        );
                    }
                }
            }
        }
        return $this;
    }
public function generate ( ) { $ source = file_get_contents ( $ this -> getFilename ( ) ) ; $ tokens = Tokenizer :: getTokens ( $ source ) ; $ lineNumber = 1 ; $ methodName = '???' ; $ className = '???' ; $ namespace = '' ; $ inMethod = false ; $ inMethodBlock = false ; $ methodCurlyCount = 0 ; $ tokenCount = count ( $ tokens ) ; foreach ( $ tokens as $ index => $ token ) { if ( is_array ( $ token ) && $ token [ 0 ] == Tokenizer :: T_NEWLINE ) { $ lineNumber = $ token [ 2 ] + 1 ; continue ; } if ( is_array ( $ token ) && $ token [ 0 ] == T_NAMESPACE ) { for ( $ j = $ index + 1 ; $ j < $ tokenCount ; $ j ++ ) { if ( $ tokens [ $ j ] [ 0 ] == T_STRING ) { $ namespace .= '\\' . $ tokens [ $ j ] [ 1 ] ; } elseif ( $ tokens [ $ j ] == '{' || $ tokens [ $ j ] == ';' ) { break ; } } continue ; } if ( is_array ( $ token ) && ( $ token [ 0 ] == T_CLASS || $ token [ 0 ] == T_INTERFACE || $ token [ 0 ] == T_TRAIT ) && $ tokens [ $ index - 1 ] [ 0 ] !== T_DOUBLE_COLON ) { $ className = $ namespace . '\\' . $ tokens [ $ index + 2 ] [ 1 ] ; continue ; } //TODO: handle whitespace! if ( is_array ( $ token ) && $ token [ 0 ] == T_FUNCTION && '???' !== $ className ) { if ( ! isset ( $ tokens [ $ index + 2 ] [ 1 ] ) ) { continue ; // ignore closure } $ methodName = $ tokens [ $ index + 2 ] [ 1 ] ; $ inMethod = true ; continue ; } /**
             * Limit mutation generation to the interior of methods (for now!)
             */ if ( true === $ inMethod && false === $ inMethodBlock && $ methodCurlyCount == 0 && ! ( $ token == '{' || ( is_array ( $ token ) && $ token [ 0 ] == T_CURLY_OPEN ) ) ) { continue ; //skip over argument list } if ( $ inMethod ) { if ( $ token == '{' || ( is_array ( $ token ) && $ token [ 0 ] == T_CURLY_OPEN ) ) { $ methodCurlyCount += 1 ; $ inMethodBlock = true ; continue ; } elseif ( $ token == '}' ) { $ methodCurlyCount -= 1 ; continue ; } if ( $ methodCurlyCount == 0 ) { $ inMethodBlock = false ; $ inMethod = false ; continue ; } } if ( true === $ inMethodBlock ) { foreach ( $ this -> mutators as $ mutator ) { if ( $ mutator :: mutates ( $ tokens , $ index ) ) { $ this -> mutations [ ] = new Mutation ( $ this -> getFilename ( ) , $ lineNumber , $ className , $ methodName , $ index , $ mutator ) ; } } } } return $ this ; }
Based on the current file, generate mutations

@return void
Based on the current file generate mutations