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Accessors History Page

This page preserves prior versions of key pages to create an archive for the history of accessor development.

Specifications for Accessors

• To Do List
• Current version A (under development, Berkeley lead): Version 0.1a Accessors Specification
• Current version B (under development, UMich lead): Version 0.1b Accessors Specification
• Comparison between A and B
• Older version (Spring 2014): Version 0 Accessors Specification
• Ptolemy Coding Style

Older Accessor Host Pages

• Browser Accessor Hosts
• Ptolemy II Accessor Host (see also auto-generated code documentation)
• AccessorJS, a host for Node.js and other ECMAScript platforms.

Host-Provided Libraries

Accessor authors need a set of libraries that they can use when writing accessors to interact devices and services.

• Top-Level JavaScript Functions: These function enable the accessor to get inputs and produce outputs. They also provide a small set of basic mechanisms that are commonly found in a JavaScript environment.
• Built-In JavaScript Modules: All accessor hosts are required to support all built-in modules. Modules conform with the CommonJS specification.
• Optional JavaScript Modules: More sophisticated capabilities that may or may not be supported by a particular accessor host. These modules must also conform with the CommonJS specification.
• Error Handling: Policies for handling errors.

See Also

• Notes
• Obsolete

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