ariya/esprima — pull request #87 by Constellation (2012-07-04 08:36:28+00:00)
Title: ES6: Support Generator

Supporting generator functions.
Added generator syntax.
Added generator property to FunctionExpression / FunctionDeclaration. (this is compatible to Mozilla Parser API)
Restrict YieldExpression (which can be there if function is generator)

See http://code.google.com/p/esprima/issues/detail?id=287