%TOC% ---++ Features The [[EcmaScriptModel][ECMAScript-model]] package is an _executable model_ of the [[EcmaScript][ECMAScript]] Edition 4 programming language. The source code represents a small-step operational semantics for the language, which is used to generate the =es4-step= executable, a command-line _stepper_ for [[EcmaScript][ECMAScript]] programs. ---++ Download ---+++ Stable Releases Currently, no stable releases are available. ---+++ Latest Developments Distributions (tarball, rpm, srpm) of the head revision are created continuously: * %DIST%/ecmascript-model-unstable-latest/ The distributions contain the latest of the latest developments, but if you really want to, the latest sources can be checked out using:
svn checkout %SVNROOT%/ecmascript/ecmascript-model/trunkBefore you can configure the package as described above you have to run the =./bootstrap= script. ---+++ Installation ECMAScript-model requires: * [[%DIST%/sdf2-bundle-unstable-latest/][Latest unstable release of sdf2-bundle]] * [[%DIST%/strategoxt-unstable-latest/][Latest unstable release of strategoxt]] Install ECMAScript-model package with the usual sequence of commands: