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95 commits

Author SHA1 Message Date
Max Brunsfeld
500533476b Fix bugs in handling multiple simultaneous ambiguities 2015-10-22 11:42:38 -07:00
Max Brunsfeld
1983bcfb60 Fix conflation of finished items w/ different precedence 2015-10-18 12:51:32 -07:00
Max Brunsfeld
8725e96a65 Fix item-set-closure bug w/ empty productions 2015-10-15 23:59:47 -07:00
Max Brunsfeld
3d0253f9b8 Start work on c++ fixture grammar 2015-10-13 11:28:53 -07:00
Max Brunsfeld
9959fe35b0 Allow associativity to be specified in rules w/o precedence 2015-10-13 11:25:28 -07:00
Max Brunsfeld
82726ad53b Define repeat rule in terms of repeat1 rule 2015-10-12 19:22:05 -07:00
Max Brunsfeld
8ef25ffef3 Try lexing using each parse stack head's state 
This fixes the case where the parse stack is split and the top states
have different valid lookahead symbols
 2015-10-06 16:22:58 -07:00
Max Brunsfeld
624e4651d2 Use GLR for for-in loop conlfict in javascript grammar 2015-10-06 10:50:56 -07:00
Max Brunsfeld
ebc52f109d Merge branch 'flatten-rules-into-productions' 
This branch had diverged considerably, so merging it required changing a lot
of code.

Conflicts:
	project.gyp
	spec/compiler/build_tables/action_takes_precedence_spec.cc
	spec/compiler/build_tables/build_conflict_spec.cc
	spec/compiler/build_tables/build_parse_table_spec.cc
	spec/compiler/build_tables/first_symbols_spec.cc
	spec/compiler/build_tables/item_set_closure_spec.cc
	spec/compiler/build_tables/item_set_transitions_spec.cc
	spec/compiler/build_tables/rule_can_be_blank_spec.cc
	spec/compiler/helpers/containers.h
	spec/compiler/prepare_grammar/expand_repeats_spec.cc
	spec/compiler/prepare_grammar/extract_tokens_spec.cc
	src/compiler/build_tables/action_takes_precedence.h
	src/compiler/build_tables/build_parse_table.cc
	src/compiler/build_tables/first_symbols.cc
	src/compiler/build_tables/first_symbols.h
	src/compiler/build_tables/item_set_closure.cc
	src/compiler/build_tables/item_set_transitions.cc
	src/compiler/build_tables/parse_item.cc
	src/compiler/build_tables/parse_item.h
	src/compiler/build_tables/rule_can_be_blank.cc
	src/compiler/build_tables/rule_can_be_blank.h
	src/compiler/prepare_grammar/expand_repeats.cc
	src/compiler/prepare_grammar/extract_tokens.cc
	src/compiler/prepare_grammar/extract_tokens.h
	src/compiler/prepare_grammar/prepare_grammar.cc
	src/compiler/rules/built_in_symbols.cc
	src/compiler/rules/built_in_symbols.h
	src/compiler/syntax_grammar.cc
	src/compiler/syntax_grammar.h
 2015-10-02 23:46:39 -07:00
Max Brunsfeld
dda3939adf Fix typo in javascript corpus 2015-09-22 22:39:41 -07:00
Max Brunsfeld
d032114d7a js grammar - recover from errors on semicolons but not line-breaks 2015-09-22 21:12:28 -07:00
Max Brunsfeld
7ee5eaa16a Rename node accessor methods 
Instead of child() vs concrete_child(), next_sibling() vs next_concrete_sibling(), etc,
the default is switched: child() refers to the concrete syntax tree, and named_child()
refers to the AST. Because the AST is abstract through exclusion of some nodes, the
names are clearer if the qualifier goes on the AST operations
 2015-09-08 23:16:24 -07:00
Max Brunsfeld
f9316933ad Refactor logic for marking '_'-prefixed rules as hidden 2015-09-06 16:53:13 -07:00
Max Brunsfeld
9591c88f39 In runtime, distinguish between anonymous and hidden nodes 2015-09-06 00:12:37 -07:00
Max Brunsfeld
5982b77c97 In compiler, distinguish between anonymous tokens and hidden rules 2015-09-05 22:28:55 -07:00
Max Brunsfeld
4b270c8604 Use 2-space indent in example grammars 2015-09-03 18:01:30 -07:00
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
eb8ef59869 Move corpus files to fixtures/corpus directory 2015-09-02 17:04:04 -07:00
Max Brunsfeld
53926c467e Don't automatically hide singleton nodes 2015-09-02 16:36:29 -07:00
Max Brunsfeld
acf9280eda Make expression and statement rules hidden in javascript grammar 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
feb46302f3 Rename 'star' -> 'pointer' in C grammar 
Now that bug is fixed that prevented tokens from working properly when
used anonymously and as named rules
 2015-07-30 17:27:49 -07:00
Max Brunsfeld
766e3bab2c Use 2-space continuation indent consistently in specs 2015-07-27 18:18:58 -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
d6a6b0a19b Represent ParseItemSets as ordered maps 
This way, reductions will be added in a deterministic order
when constructing the parse table.
 2015-07-10 09:17:42 -07:00
Max Brunsfeld
aff8bc3266 Split parse stack when there are multiple parse actions 2015-07-09 23:09:33 -07:00
Max Brunsfeld
f26ddf5187 Fix symbol name for ambiguity nodes 2015-07-08 17:31:21 -07:00
Max Brunsfeld
aabcb10cfb Respect expected_conflicts field when building parse table 2015-06-28 16:22:31 -05:00
Max Brunsfeld
381f89f8ba Create ambiguity nodes when joining stack heads 2015-06-18 17:03:16 -07:00
Max Brunsfeld
755894b44d Allow multiple parse actions in parse table 2015-06-18 17:03:16 -07:00
Max Brunsfeld
44774119bf Use all caps for built-in symbol names 2015-06-15 15:26:05 -07:00
Max Brunsfeld
fd97b8a237 Dedup auxiliary repeat rules from different source rules 2015-05-02 20:42:47 -07:00
Max Brunsfeld
e8db35af6b Avoid creating redundant auxiliary repeat rules 2015-04-16 17:42:22 -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
2d436cf141 Identify fragile reductions at compile time 2015-02-21 15:11:03 -08:00
Max Brunsfeld
bee756b414 Regenerate fixture parsers with better token names 2014-11-01 17:00:49 -07:00
Max Brunsfeld
d8099826f9 Workaround duplicate symbol problem in golang grammar 
Currently, a grammar can't have a string rule and a keyword rule with
the same string.
 2014-10-21 13:03:50 -07:00
Max Brunsfeld
8a03bd8978 Comment out some parts of JS grammar to speed up tests 2014-10-21 09:01:56 -07:00
Max Brunsfeld
91cf35b72c Rework javascript fixture grammar 2014-10-21 08:49:16 -07:00
Max Brunsfeld
22ee68e1a9 Make node for each var assignment in JS grammar 2014-10-15 15:04:57 -07:00
Max Brunsfeld
8c3ea6ef30 In JS grammar, don't include enclosing parens in formal_parameters node 2014-10-10 17:11:14 -07:00
Max Brunsfeld
3bcb221379 Include non-terminal lookahead symbols for reduction actions 
This is necessary for re-using the right subtree after an edit
 2014-10-10 12:06:16 -07:00
Max Brunsfeld
aab449635f Allow greek letters as variables in arithmetic fixture grammar 2014-10-02 11:50:16 -07:00
Max Brunsfeld
13ba35e26f Fix indentation in fixture grammars 2014-09-27 16:10:30 -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
9682ef6c79 Rename examples directory to spec/fixtures 
- I want to move away from having complete grammars for real languages
  (e.g. javascript, golang) in this repo. These languages take a long
  time to compile, and they now exist in their own repos
  (node-tree-sitter-javascript etc).
- I want to start testing more compiler edge cases through integration
  tests, so I want to put more small, weird grammars in here. That makes
  me not want to call the directory `examples`.
 2014-09-10 13:31:06 -07:00
Max Brunsfeld
fd757c20d0 Move example grammars from fixtures -> examples dir 2014-02-17 13:18:09 -08:00