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19 Commits (4e99a2bda7e4cda94c2366ab8111e61255755391)

Author SHA1 Message Date
David Majda 4e99a2bda7 AST refactoring 1/6: Make properties of AST nodes public 
Removed undescore prefix of the properties and deleted getters.
 14 years ago
David Majda 7d1261c0fc Regenerate lib/metagrammar.js (forgot to do it in previous commit) 14 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
 14 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
 14 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
 14 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
 14 years ago
David Majda a86e06a216 Add "Generated by ..." message to the generated parsers. 14 years ago
David Majda 09291d6f0f Use "charAt(...)" instead of "[...]" for accessing string characters (compatibility with IE < 8). 14 years ago
David Majda 7fc491412d Work around the fact that IE does not recognize "\v" in strings. 14 years ago
David Majda e79e869993 Compensate for IE's lack of Array.prototype.indexOf function. 14 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
 14 years ago
David Majda 3f85a9ca84 Regenerated the metaparser with one-level rule cache. 14 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.
 14 years ago
David Majda 20e230ca0e Killed *MatchFailure classes => simpler code. 14 years ago
David Majda 4f4bb34ded Implemented negative character classes (e.g. [^a-z]). 14 years ago
David Majda 22d2ac8ac2 Rewrote implementation of classes to be regexp-based. 14 years ago
David Majda 6bbd88088b Implemented and used PEG.ArrayUtils.each. 14 years ago
David Majda eae48caf91 Regenerated the grammar parser. 14 years ago
David Majda a43d1b33e3 Bootstrapped the grammar parser, yay! I should have done this long ago. 14 years ago