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43 commits

Author SHA1 Message Date
Max Brunsfeld
545e575508 Revert "Remove the separator characters construct" 
This reverts commit 5cd07648fd.

The separators construct is useful as an optimization. It turns out that
constructing a node for every chunk of whitespace in a document causes a
significant performance regression.

Conflicts:
	src/compiler/build_tables/build_lex_table.cc
	src/compiler/grammar.cc
	src/runtime/parser.c
 2014-09-02 08:03:51 -07:00
Max Brunsfeld
5cd07648fd Remove the separator characters construct 
Now, grammars can handle whitespace by making it another ubiquitous
token, like comments.

For now, this has the side effect of whitespace being included in the
tree that precedes it. This was already an issue for other ubiquitous
tokens though, so it needs to be fixed anyway.
 2014-09-01 20:19:43 -07:00
Max Brunsfeld
98cc2f2264 Auto-format all source code with clang-format 2014-07-21 13:20:00 -07:00
Max Brunsfeld
1c7d2d2d03 Add for-in loops and math assignment operators to js grammar 2014-07-07 13:35:55 -07:00
Max Brunsfeld
c85841364e Add throw statements to js grammar 2014-07-03 08:20:43 -07:00
Max Brunsfeld
9686c57e90 Allow ubiquitous tokens to also be used in grammar rules 2014-06-26 08:52:42 -07:00
Max Brunsfeld
7df35f9b8d Make separate types for syntax and lexical grammars 
This way, the separator characters can be added as a field to
lexical grammars only
 2014-06-25 13:27:16 -07:00
Max Brunsfeld
bb4d83ce47 Add regex postfix flags to javascript grammar 
- Refactor statement terminators in javascript grammar
- Reorganize javascript language tests
 2014-06-11 16:43:27 -07:00
Max Brunsfeld
082560dd6e Fix operator precedence of '.' operator in js grammar 2014-06-11 14:01:38 -07:00
Max Brunsfeld
4ad6278334 Add finally, instance of, typeof, in to js grammar 2014-06-11 11:49:06 -07:00
Max Brunsfeld
54a555168d Add accessor methods on Grammar 2014-06-09 21:05:25 -07:00
Max Brunsfeld
844f73c193 Remove unnecessary comment rule from JS grammar 2014-05-26 21:48:35 -07:00
Max Brunsfeld
2d0f90c7d5 Add try and while statements to js grammar 2014-05-09 21:36:18 -07:00
Max Brunsfeld
4700e33746 Introduce 'ubiquitous_tokens' concept, for parsing comments and such 2014-05-06 12:54:04 -07:00
Max Brunsfeld
bae32adc7b Add constructor calls, pre/postfix operators to js grammar 2014-05-04 13:36:19 -07:00
Max Brunsfeld
1bdd87535a Add prefix math operators +, - to javascript grammar 2014-05-02 07:42:13 -07:00
Max Brunsfeld
b9393b5c1a Refactor grammar helper functions 2014-05-01 20:02:06 -07:00
Max Brunsfeld
2906125824 Refactor javascript grammar to use new keyword helper 2014-05-01 13:25:50 -07:00
Max Brunsfeld
60e2728acc Refactor string and regex specification in javascript grammar 2014-05-01 12:48:01 -07:00
Max Brunsfeld
a2c125998e Add single quoted strings and regexes to javascript grammar 2014-05-01 12:43:53 -07:00
Max Brunsfeld
b86203d205 Extract shared helper functions from example grammars 2014-04-27 21:45:05 -07:00
Max Brunsfeld
801f4bd0a8 Add returns, deletes and bool operators to js grammar 2014-04-25 22:08:11 -07:00
Max Brunsfeld
61692c8bb1 Add error recovery in function calls to javascript gramamr 2014-04-24 13:22:54 -07:00
Max Brunsfeld
68c26a06b1 Add comments to javascript grammar 2014-04-24 13:22:23 -07:00
Max Brunsfeld
c2abfd2d03 Parse '.' in regexes 2014-04-24 13:21:46 -07:00
Max Brunsfeld
52c338ed60 Add some infix math operators to javascript grammar 2014-04-23 22:25:48 -07:00
Max Brunsfeld
7be8d469b8 Add ternary expressions to javascript grammar 2014-04-23 22:15:07 -07:00
Max Brunsfeld
be1c8e0f17 Add dynamic property access to javascript grammar 2014-04-05 15:55:20 -07:00
Max Brunsfeld
2191a7d988 Add switch statements to javascript grammar 2014-04-04 13:10:33 -07:00
Max Brunsfeld
1cc7e32e2d Fix handling of tokens consisting of separator characters 
The parser is no longer hard-coded to skip whitespace. Tokens
such as newlines, whose characters overlap with the separator
characters, can now be correctly recognized.
 2014-04-03 19:10:09 -07:00
Max Brunsfeld
2cd595d81a Clean up helper functions in example grammars 2014-03-29 19:02:00 -07:00
Max Brunsfeld
7adb0bf34f Add golang example grammar 
Also, support '\a' character class shorthand in regexes,
for alphabetical characters
 2014-03-29 16:29:34 -07:00
Max Brunsfeld
13c4e6e648 Tweak format for example grammars 2014-03-28 13:51:32 -07:00
Max Brunsfeld
324f55f1ce Add error recovery to for loops in javascript grammar 2014-03-28 13:11:12 -07:00
Max Brunsfeld
2e11f60710 Add for loops to javascript grammar 2014-03-28 12:59:47 -07:00
Max Brunsfeld
2226234924 Add error recovery to javascript if statements 2014-03-26 23:02:57 -07:00
Max Brunsfeld
820b6f4020 Fix infinite loops during table generation for left-recursive rules 
Add function calls for arbitrary expressions and dot property access to javascript grammar
 2014-03-26 22:43:08 -07:00
Max Brunsfeld
6a0e2c08e6 Add more features to javascript grammar 2014-03-26 08:23:13 -07:00
Max Brunsfeld
059f7ff9d5 Add else blocks to javascript grammar 2014-03-25 23:40:53 -07:00
Max Brunsfeld
2df56f01c8 Remove public hidden symbol function 
Now, you can't a particular occurrence of a symbol
in a grammar. You can only hide a symbol globally
(right now, by beginning its name with an underscore).
 2014-03-25 08:16:26 -07:00
Max Brunsfeld
42214ba0eb Add if statements to javascript grammar 2014-03-24 19:18:20 -07:00
Max Brunsfeld
48baf056b4 Store grammars' rules in vectors, not maps 
This way, we can keep of the order in which the rules
were given, for resolving reduce/reduce conflicts.
 2014-03-24 13:17:38 -07:00
Max Brunsfeld
671f1a1ddc Start work on javascript grammar 2014-03-24 09:14:29 -07:00