Added ES6 support to Acorn

Posted on: 29 Jul 2014

Worked on and added following ES6 features support to Acorn - small, fast JavaScript parser:

• Unicode Code Point Escape Sequences (\u{ABCDEF}).
• Numeric Literals (octal, binary).
• Arrow Functions.
• Spread Element.
• Classes.
• Destructuring assignments.
• Computed object properties.
• Object methods.
• Shorthand object properties.
• for (... of ...) loops.
• Array Comprehensions.
• Modules. (newest specs)
• Template Strings.
• Generators.
• Generator Comprehensions.

There are still some pending discussions with guys from Mozilla & Esprima on new AST types & properties used for new syntax features:

• Support default and named bindings in one ImportDeclaration
• Support newest export syntax
• Support new import * as X from "Y" alternative of module X from Y
• ES6: Generator Comprehension support

Stay tuned - more to come!

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