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40 Commits (9bf86b89a64289bc27bf554dc61ee5f70411c25c)

Author SHA1 Message Date
David Majda 9bf86b89a6 Fix stupid mistakes in metagrammar-test.js 
The mistakes weren't caught because the first one introduces a syntax
error, causing the whole test suite not to load. Unfortunately, QUnit
didn't complain so I missed this.

The real commit these changes belong to is
33a1a7c1e9.
 15 years ago
David Majda 33a1a7c1e9 Clean up class handling in the metagrammar and compiler 
The class AST node now contains structured data and a raw text which is
used for error messages.
 15 years ago
David Majda 137a4b4f53 Renamed |characters| -> |chars| (shorter, no loss of expressivity) 15 years ago
David Majda 76ed63c86e AST refactoring 6/6: Get rid of the |Grammar| namespace 15 years ago
David Majda b4bf49443a AST refactoring 5/6: Make AST classless 15 years ago
David Majda 1c7c5bb5da Correct variable name: "choice" -> "optional". 15 years ago
David Majda 85930cbcfe Reorder AST stuff more consistently and sensibly 
There is no functional change in this commit.
 15 years ago
David Majda e3aa4df090 Changed action parameter processing to avoid the arguments object. 
The action now computes the number of passed parameters during the code
generation and the parameters are declared directly as $1, $2, etc. in the
generated function.

This does not speed up the benchmark suite execution statistically significantly
on V8.

Detailed results (benchmark suite totals):

---------------------------------
 Test #     Before       After
---------------------------------
      1   28.68 kB/s   29.08 kB/s
      2   28.77 kB/s   28.72 kB/s
      3   28.89 kB/s   28.78 kB/s
      4   28.84 kB/s   28.57 kB/s
      5   28.86 kB/s   28.84 kB/s
---------------------------------
Average   28.81 kB/s   28.80 kB/s
---------------------------------

Mozilla/5.0 (X11; U; Linux i686; en-US) AppleWebKit/533.2 (KHTML, like Gecko) Chrome/5.0.342.9 Safari/533.2
 15 years ago
David Majda b2f230fad2 Added Optional AST node. 
This does not speed up the benchmark suite execution statistically significantly
on V8.

Detailed results (benchmark suite totals):

---------------------------------
 Test #     Before       After
---------------------------------
      1   28.84 kB/s   28.75 kB/s
      2   28.76 kB/s   28.69 kB/s
      3   28.72 kB/s   28.69 kB/s
      4   28.84 kB/s   28.93 kB/s
      5   28.82 kB/s   28.70 kB/s
---------------------------------
Average   28.80 kB/s   28.75 kB/s
---------------------------------

Mozilla/5.0 (X11; U; Linux i686; en-US) AppleWebKit/533.2 (KHTML, like Gecko)
Chrome/5.0.342.9 Safari/533.2
 15 years ago
David Majda e5df8284b5 Added AndPredicate AST node. 
This does not speed up the benchmark suite execution statistically significantly
on V8.

Detailed results (benchmark suite totals):

---------------------------------
 Test #     Before       After
---------------------------------
      1   28.72 kB/s   28.84 kB/s
      2   28.84 kB/s   28.76 kB/s
      3   28.83 kB/s   28.72 kB/s
      4   28.81 kB/s   28.84 kB/s
      5   28.76 kB/s   28.82 kB/s
---------------------------------
Average   28.79 kB/s   28.80 kB/s
---------------------------------

Mozilla/5.0 (X11; U; Linux i686; en-US) AppleWebKit/533.2 (KHTML, like Gecko) Chrome/5.0.342.9 Safari/533.2
 15 years ago
David Majda c3c1c79665 Added OneOrMore AST node. 
This speeds up the benchmark suite execution by 1.08% on V8.

Detailed results (benchmark suite totals):

---------------------------------
 Test #     Before       After
---------------------------------
      1   28.38 kB/s   28.72 kB/s
      2   28.52 kB/s   28.84 kB/s
      3   28.41 kB/s   28.83 kB/s
      4   28.47 kB/s   28.81 kB/s
      5   28.64 kB/s   28.76 kB/s
---------------------------------
Average   28.48 kB/s   28.79 kB/s
---------------------------------

Mozilla/5.0 (X11; U; Linux i686; en-US) AppleWebKit/533.2 (KHTML, like Gecko) Chrome/5.0.342.9 Safari/533.2
 15 years ago
David Majda 3f5cb8850c Fixed PEG.buildParser's documentation and added a test. 15 years ago
David Majda 48da65d08e PEG.buildParser now accepts grammars only in string format. 15 years ago
David Majda 927f2d65c9 Exception tests also test exception messages. 15 years ago
David Majda b5ac4f0c4a Refactored helpers for testing of thrown exceptions. 15 years ago
David Majda 4b51e6a6d3 Quote null characters in regexps, IE does not like them. 15 years ago
David Majda 7fc491412d Work around the fact that IE does not recognize "\v" in strings. 15 years ago
David Majda e79e869993 Compensate for IE's lack of Array.prototype.indexOf function. 15 years ago
David Majda 05381fedfa Fixed the inverted empty character class handling test. 15 years ago
David Majda e63f64a3d5 Make the generated parsers standalone (no runtime is required). 
This and also speeds up the benchmark suite execution by 7.83 % on V8.

Detailed results (benchmark suite totals):

---------------------------------
 Test #     Before       After
---------------------------------
      1   26.17 kB/s   28.16 kB/s
      2   26.05 kB/s   28.16 kB/s
      3   25.99 kB/s   28.10 kB/s
      4   26.13 kB/s   28.11 kB/s
      5   26.14 kB/s   28.07 kB/s
---------------------------------
Average   26.10 kB/s   28.14 kB/s
---------------------------------

Mozilla/5.0 (X11; U; Linux i686; en-US) AppleWebKit/533.2 (KHTML, like Gecko) Chrome/5.0.342.7 Safari/533.2
 15 years ago
David Majda 74830d4f8f Sort expected strings in the error messages. 15 years ago
David Majda 37521cffa5 Error messages now do not contain duplicities. 15 years ago
David Majda 3291c70d97 Added \uFEFF (BOM) to the definition of whitespace in the metagrammar. 
The Rhino bug that prevented inclusion of \uFEFF among the whitespace characters
is no longer relevant here because we compile character classes into regexps
now, which avoids the infinite recursion.
 15 years ago
David Majda 383c5acaa6 Replaced \xA0 by \u00A0 in the whitespace definition in the metagrammar. 
This is purely stylistic change.
 15 years ago
David Majda f87bcd6332 Added tests for error messages displayed when a character class match fails. 15 years ago
David Majda 4f4bb34ded Implemented negative character classes (e.g. [^a-z]). 15 years ago
David Majda b3381b9352 Fixed test name. 15 years ago
David Majda 22d2ac8ac2 Rewrote implementation of classes to be regexp-based. 15 years ago
David Majda 56ffa94cc7 PEG.buildParser reports left recursion (both direct and indirect). 15 years ago
David Majda a3ecf768ca Fixed missing referenced rules test. 15 years ago
David Majda 3a65316416 PEG.buildParser reports missing referenced rules. 15 years ago
David Majda 6bbd88088b Implemented and used PEG.ArrayUtils.each. 15 years ago
David Majda 2e94dce944 Improved tests of the "arithmetics" grammar. 15 years ago
David Majda a43d1b33e3 Bootstrapped the grammar parser, yay! I should have done this long ago. 15 years ago
David Majda 636ceb2719 Metagrammar recognizes JavaScript-like comments. 15 years ago
David Majda 452243d450 Improved error reporting for predicates a bit. 15 years ago
David Majda 69906e9730 Do not recognize \uFEFF as whitespace in the metagrammar since it does not work with Rhino. 15 years ago
David Majda bddb65ab9b Improved & simplified error handling code. 15 years ago
David Majda b86a219c86 Ensure that the same grammar and start rule always generate exactly the same parser. 15 years ago
David Majda c3dd696a3e Initial commit. 15 years ago