No restrictions on historical start dates, Intraday data back to and Daily data back to.
2-Week Free Trial - No Credit Card Required! With Barchart for Excel:
Blend Barchart data with your own proprietary data, perform calculations, visualize data, and perform sophisticated data analysis directly in Excel. “jep” is generously supported by E.S.R.Barchart for Excel is a powerful tool designed to enrich the data you can find on, but with the added power and flexibility of Microsoft Excel.
It’s in use in a number of tools in automotive software development. RText is a generic framework for languages derived from ECore metamodels. “jep” was initiated by Martin Thiede as an abstraction of the RText approach. See the languages page for languages already using “jep”. As such, we plan to make RText use “jep” at some point. “jep” is an abstraction of the cross editor approach of RText towards arbitrary syntax. Check out the plugins page to learn more about plugins. PluginsĬurrently we are working on plugins for VIM, Emacs, Eclipse and Visual Studio. Our approach is to start with a simple and consistent set of features and later evolve the protocol to support more things like custom command invocation. This is work in progress and currently in a draft status. The “jep” protocol defines the interface between editor frontends and language backends. Again, the developer has maximum freedom to design the backend process, its command line interface and the way to tell the process which files belong together in one “workspace”. Or they may choose to work on an AST or some other kind model.Ī very simple workspace concept associates a file being edited with a backend process started by an editor plugin. They may choose to implement auto completion by simple heuristics and regular expressions. They may reuse existing parsers to find errors. This very generic approach leaves maximum freedom for developers to implement the language support. There are hooks for auto completion and jumping to definition as well as a way to display error annotations and to define syntax highlighting.
“jep“‘s level of abstraction is pretty much the same as the one of most editor plugin interfaces. Since it’s based on very common technology like sockets and JSON, implementation should be easy across programming languages and platforms. The protocol is open in the sense that it’s publicly available and any editor plugin or language developer may choose to implement it. Ideally, there should be one single “jep” plugin for each editor and one single support logic for each language. The “joined editors protocol” is the link between editors and languages. The basic idea behind “jep” is to separate editor support for a particular language from the actual editors. In particular, internal DSLs evolve over the lifetime of a project and when working on an old branch of the software, language support should reflect this properly.
This is especially likely if different versions of a tool and its associated language are used in one project. The version of the language supported by the plugin may be different from the version of the language actually used. When editor support is actually available by means of some editor plugin, there is still a potential versioning problem. While the core users of a language might spend the effort to build support into their favourite editor, other editors will probably be neglected. One reason for this is that it’s simply too much work to broadly build editor support. This includes configuration languages, domain specific languages (DSLs), internal DSLs but also some programming languages. The are lots of very specific textual languages out there for which no general editor support exists.
We appreciate to hear about your use cases, ideas and feedback in general.