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David Majda ae89f5e469 PEG.js grammar: Change whitespace handling
Before this commit, whitespace was handled at the lexical level by
making tokens consume any whitespace coming after them. This was
accomplished by appending |__| to every token rule.

This commit changes whitespace handling to be more explicit. Tokens no
longer consume whitespace coming after them and syntactic rules have to
cope with it. While this slightly complicates the syntactic grammar, I
think it's a cleaner way. Moreover, it is what JavaScript example
grammar does.

One small side-effect of thich change is that the grammar is now
stand-alone (it doesn't require utils.js anymore).
10 years ago
..
compiler/passes PEG.js grammar: Disallow empty sequences 10 years ago
vendor/jasmine Upgrade jasmine and jasmine-node 11 years ago
README Git repo npmization: Make the repo a npm package 12 years ago
generated-parser.spec.js PEG.js grammar: Disallow empty sequences 10 years ago
helpers.js .jshintrc: Add the "forin" option & fix fallout 11 years ago
index.html Update version to 0.8.0 11 years ago
parser.spec.js PEG.js grammar: Change whitespace handling 10 years ago

README

PEG.js Spec Suite
=================

This is the PEG.js spec suite. It ensures PEG.js works correctly. All specs
should always pass on all supported platforms.

Running in a browser
--------------------

  1. Make sure you have Node.js and all the development dependencies specified
     in package.json installed.

  2. Run the following command in the PEG.js root directory (one level up from
     this one):

       make browser

  3. Start a web server and make it serve the PEG.js root directory.

  4. Point your browser to an URL corresponding to the index.html file.

  5. Watch the specs pass (or fail).

If you have Python installed, you can fulfill steps 3 and 4 by running the
following command in the PEG.js root directory

  python -m SimpleHTTPServer

and loading http://localhost:8000/spec/index.html in your browser.

Running from a command-line
---------------------------

  1. Make sure you have Node.js and all the development dependencies specified
     in package.json installed.

  2. Run the following command in the PEG.js root directory (one level up from
     this one):

       make spec

  3. Watch the specs pass (or fail).