komodo inline eval macro

inline-eval.js

var view = ko.views.manager.currentView,
    scimoz = view.scimoz,
    selection = scimoz.selText,
    result = null,
    log = function() {
        var message = '';
        for (var i = 0; i < arguments.length; i++) {
            message += arguments[i] + ' ';
        }

        ko.run.runEncodedCommand(window, 'echo ' + message);
    };

if (!selection) {

    var lineStart = scimoz.currentPos < 40 ? 0 : scimoz.currentPos - 40,
        lineEnd = scimoz.currentPos,
        line = scimoz.getTextRange(lineStart, lineEnd);

    if (!line) {
        log('Nothing to evaluate');
        return;
    }

    var helper = {
        definePos: function(output, start, end, replaceLength, pos) {
            output.targetStart = lineStart + start;
            output.targetEnd = lineStart + end;
            output.position = lineStart + start + replaceLength + pos;
        },
        format: function() {
            var args = Array.prototype.slice.call(arguments),
                line = args.shift();
            for (var i = 0; i < args.length; i++) {
                line = line.split('%' + (i + 1)).join(args[i]);
            }
            return line;
        }
    }
    
    
    


    var snippets = [{ /** (arg?,arg?) -> function(arg,arg){} */
        regexp: /(\([\w,\$_ ]*)$/g,
        eval: function(line, output) {
            var start = line.lastIndexOf('('),
                end = line.length,
                args = line.substring(start + 1, end).replace(' ', '').split(',').join(', ');

            output.result = helper.format('function(%1){}', args);
            helper.definePos(output, start, end + 1, output.result.length, -1);
        }
        
    }, { /** obj!.value -> (obj.value || (obj.value = ?)) */
        regexp: /([\w]+!\.[\w]+)$/g,
        eval: function(line, output) {
            var match = /([\w]+)!\.(\w+)$/.exec(line),
                obj = match[1],
                key = match[2];

            output.result = helper.format(';(%1.%2 || (%1.%2 = ))', obj, key);
            helper.definePos(output, match.index, line.length, output.result.length, -2);
        }
    }, {
        regexp: /([\w$_]+\??\.)*([\w$_]+\??)(=)*$/,
        eval: function(line, output) {
            var match = this.regexp.exec(line),
                regexp = /[\w]+\??\.?/g,
                type = match[3],
                // setter('=') || getter('')
                r = '',
                chain = '',
                parts = (type ? match[0].substring(0, match[0].length - type.length) : match[0]).split('.');

            for (var i = 0, x, length = parts.length; x = parts[i], i < length; i++) {
                var safe = x[x.length - 1] == '?';
                if (safe) x = x.replace('?', '');



                chain += (chain.length ? '.' : '') + x;

                var seperator = r.length ? '.' : '';
                r += seperator + x + (safe ? ' && ' + chain : '');

                if (i == length - 1) {
                    if (type == '=') {
                        var index = r.lastIndexOf(' ');
                        if (~index) {
                            r = r.substring(0, ++index) + '(' + r.substring(index);
                        }
                        r += ' = )';
                    }
                    r += ';';
                }

            }

            output.result = r;

            helper.definePos(output, match.index, line.length, r.length, type == '=' ? -2 : -1);
        }
    }];

    for (var i = 0; i < snippets.length; i++) {
        var snippet = snippets[i];
        if (snippet.regexp.test(line) == false) continue;
        var output = {};
        snippet.eval(line, output);

        scimoz.targetStart = output.targetStart;
        scimoz.targetEnd = output.targetEnd;
        scimoz.replaceTarget(output.result.length, output.result);
        scimoz.gotoPos(output.position);

        return;
    }

    log("Nothing selected");
    return;
}

try {
    result = eval(selection);
} catch (e) {
    log('Error:: ' + e);
    return;
}
scimoz.beginUndoAction();
scimoz.replaceSel(result);
scimoz.endUndoAction();