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128 commits

Author SHA1 Message Date
Max Brunsfeld
bd77ab1ac9 Move public rule functions out of rule namespace 
This way, there's only one public namespace: tree_sitter
 2015-09-03 17:49:20 -07:00
Max Brunsfeld
76e2067ee0 Remove unused metadata key 2015-09-02 13:05:54 -07:00
Max Brunsfeld
21258e6a9e Remove 'document' wrapper node 2015-08-22 10:48:34 -07:00
Max Brunsfeld
c18351772a Auto-format: no single-line functions 2015-07-31 16:32:24 -07:00
Max Brunsfeld
f9b057f3a9 clang-format everything 2015-07-27 18:29:48 -07:00
Max Brunsfeld
0b1d70db34 Always resolve ambiguities immediately 
No more ambiguity nodes.
Also, when merging parse stacks, merge their successors if needed.
 2015-07-15 13:15:11 -07:00
Max Brunsfeld
381f89f8ba Create ambiguity nodes when joining stack heads 2015-06-18 17:03:16 -07:00
Max Brunsfeld
b1f8ba6202 Replace {left,right}_assoc w/ prec, with an associativity argument 2015-03-23 21:06:31 -07:00
Max Brunsfeld
a19b0e75ac 🔥 keyword and keypattern functions 
Just make strings have higher precedence than regexps.
 2015-03-22 16:00:26 -07:00
Max Brunsfeld
80ec303b10 Replace prec rule w/ left_assoc and right_assoc 
Consider shift/reduce conflicts to be compilation errors unless
they are resolved by a specified associativity.
 2015-03-16 23:12:34 -07:00
Max Brunsfeld
9a198562e0 Treat parse conflicts as errors in grammar compilation 
For now, only reduce/reduce conflicts w/ no tie-breaking precedence
are treated as errors. The rest are dropped, because shift/reduce
conflicts are currently very common because we don't have a way
of specifying associativity along w/ precedence.
 2015-03-15 20:31:41 -07:00
Max Brunsfeld
160fca6579 Refactor avoidance of redundant repeat rules 2015-01-14 21:11:19 -08:00
Max Brunsfeld
a0d9da9d5c Rename static 'Build' methods to 'build' 2015-01-14 21:11:05 -08:00
Max Brunsfeld
aae6f6de14 Remove whitespace between template closing tags 2014-10-12 11:51:12 -07:00
Max Brunsfeld
070dc76050 Generate correct C literals for non-ascii characters 2014-09-28 18:40:15 -07:00
Max Brunsfeld
e0185f84fc Print non-ascii characters as numbers in CharacterRange::to_string 2014-09-28 18:19:42 -07:00
Max Brunsfeld
68d6e242ee Fix parsing of wildcard patterns at the ends of documents 
- Remove special EOF handling from lexer
- Explicitly exclude the EOF character from all-inclusive character sets.
 2014-09-11 13:10:23 -07:00
Max Brunsfeld
2e7ffb4d14 Tweak auto-format settings 
Prefer lines that exceed 80 characters by a small margin to
line breaks in argument lists
 2014-09-09 13:15:40 -07:00
Max Brunsfeld
1ff7cedf40 Unify ubiquitous tokens and lexical separators in API 2014-09-07 22:16:45 -07:00
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
8f4939a3d3 unsigned char -> uint32_t in CharacterRange 2014-08-24 01:05:59 -07:00
Max Brunsfeld
9338249075 Remove implicit CharacterRange constructors 
Also fix misc smaller lint errors
 2014-08-23 14:52:44 -07:00
Max Brunsfeld
0bb5663f0f Refactor - represent char sets in terms of inclusions and exclusions 2014-08-23 14:25:45 -07:00
Max Brunsfeld
6f374fddff Tweak format for pretty printing some classes 2014-08-23 13:52:00 -07:00
Max Brunsfeld
2963b08f79 Eliminate duplicates when constructing choice rules 2014-08-21 20:04:42 -07:00
Max Brunsfeld
1e79ed794b Allow multiple top-level nodes 
Now, the root node of a document is always a document node.
It will often have only one child node which corresponds to the grammar's
start symbol, but not always. Currently, it may have more than one child
if there are ubiquitous tokens such as comments at the beginning of the
document. In the future, it will also be possible be possible to have multiple
for the document to have multiple children if the document is partially parsed.
 2014-08-09 00:00:20 -07:00
Max Brunsfeld
41c4e7cd8f Fix more namespace formatting 2014-08-08 08:35:26 -07:00
Max Brunsfeld
98cc2f2264 Auto-format all source code with clang-format 2014-07-21 13:20:00 -07:00
Max Brunsfeld
2c382b7363 Trim trailing whitespace 2014-06-16 21:33:35 -07:00
Max Brunsfeld
7a2c2c1c90 Store ParseItemSets as maps, w/ core items as keys 
ParseItem no longer has a lookahead_sym field; it now represents
the 'core' of a parse item. The lookahead context is stored separately,
as a set per core item. This makes iterating, copying and merging item
sets more efficient, because before, the core items were repeated for each
different lookahead symbol.

Also, the memoization in sym_transitions(ParseItemSet) has been removed.
Maybe I'll add it back later.
 2014-06-16 08:35:20 -07:00
Max Brunsfeld
3cd031af38 Add keypattern rule helper 
This way, pattern rules (e.g. golang's comment) can be easily given the
same precedence as keyword rules.
 2014-06-11 12:40:49 -07:00
Max Brunsfeld
649f200831 Expand regex/string rules as part of grammar preparation 
This makes it possible to report errors in regex parsing
 2014-05-19 20:54:59 -07:00
Max Brunsfeld
3a50171249 Expose all grammar compilation errors 2014-05-01 23:28:40 -07:00
Max Brunsfeld
93620b3ed1 Add keyword helper for making higher-priority string tokens 2014-05-01 13:25:20 -07:00
Max Brunsfeld
6d40dcf881 Add token helper for building token rules 
Now you can specify the structure of tokens using
all of the rule functions, not just `str` and `pattern`
 2014-05-01 12:43:29 -07:00
Max Brunsfeld
0d763d229d cpplint 2014-04-28 21:46:43 -07:00
Max Brunsfeld
25eda9d889 ISymbol -> Symbol 
Interned symbols are now the main type of symbol in use
 2014-04-28 20:43:27 -07:00
Max Brunsfeld
faf80aadac Symbol -> NamedSymbol 2014-04-28 20:15:49 -07:00
Max Brunsfeld
6ea4e6b2b0 Give rules::Visitor a virtual destructor 2014-04-27 23:19:11 -07:00
Max Brunsfeld
b2cb78166e Give Rule a virtual destructor 
Not needed at the moment because rule pointers are are always wrapped
in shared_ptrs. Still, don't want to forget this if I stopped using shared_ptrs
at some point.
 2014-04-27 21:49:56 -07:00
Max Brunsfeld
29bbff655c Store choice rules using vectors, not pairs 2014-04-26 23:21:09 -07:00
Max Brunsfeld
93df5579b4 Trim whitespace 2014-04-25 22:17:23 -07:00
Max Brunsfeld
c2abfd2d03 Parse '.' in regexes 2014-04-24 13:21:46 -07:00
Max Brunsfeld
020614824a Avoid unnecessary dynamic cast in symbol equality function 2014-04-23 13:12:39 -07:00
Max Brunsfeld
3b388d66cd Profile and optimize 
- Eliminate unnecessary copies of grammar objects
- Do cheaper comparisons first in equality methods
 2014-04-23 08:32:11 -07:00
Max Brunsfeld
68d44fd565 Intern symbols during grammar preparation 2014-04-22 23:38:26 -07:00
Max Brunsfeld
a437d39773 Add rule precedence construct 
Still need to add some way of expressing left and right
associativity
 2014-04-15 08:40:46 -07:00
Max Brunsfeld
67243c7e2f cpplint 2014-04-14 08:38:44 -07:00
Max Brunsfeld
a5816a9624 Refactor rule visitors 2014-04-09 13:28:02 -07:00