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
3e0debf814
Fix compile error on gcc
2014-05-09 15:37:30 -07:00
Max Brunsfeld
292b753914
Move lr_parser into its own header file
2014-05-09 14:43:43 -07:00
Max Brunsfeld
ccc1b41f2a
Make separate header files for stack and lexer
2014-05-09 13:32:12 -07:00
Max Brunsfeld
e4be585c43
Handle ubiquitous tokens at the beginning of programs
...
As a final step before returning the finished parse tree, check if
there are still multiple nodes on the stack. If so, make the inner
nodes children of the top node.
2014-05-09 12:46:36 -07:00
Max Brunsfeld
3f374c6547
Tidy up
2014-05-08 13:27:48 -07:00
Max Brunsfeld
34137be12d
Represent state ids as unsigned shorts
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This fixes some signedness conversion warnings
2014-05-08 13:23:46 -07:00
Max Brunsfeld
0a21eee3f0
Remove magic number from generated symbols enums
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The symbol numbers 0 and 1 are reserved for 'error' and 'eof',
so the grammar's start symbol is always 2.
2014-05-08 13:14:45 -07:00
Max Brunsfeld
013572671f
Use smaller integer types for parse table
2014-05-08 08:45:41 -07:00
Max Brunsfeld
4700e33746
Introduce 'ubiquitous_tokens' concept, for parsing comments and such
2014-05-06 12:54:04 -07:00
Max Brunsfeld
5708a181c2
Removed unused field on reduce parse actions
2014-05-01 23:29:01 -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
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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
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
e23604ac52
Fix debugging macros in parser.h
2014-04-14 22:31:11 -07:00
Max Brunsfeld
5145bba53d
Silence missing-initializer warnings for gcc
2014-04-12 20:16:16 -07:00
Max Brunsfeld
e1e0cc6278
Make sure conflicts returned by compile are unique
2014-04-10 08:38:14 -07:00
Max Brunsfeld
bd5ec68c96
Get generated parsers building under gcc
2014-04-08 22:11:20 -07:00
Max Brunsfeld
3982b73ed6
Start work on recording parse action conflicts
2014-04-08 08:19:55 -07:00
Max Brunsfeld
5320cad065
Trim trailing whitespace
2014-04-04 13:10:55 -07:00
Max Brunsfeld
1cc7e32e2d
Fix handling of tokens consisting of separator characters
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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
13c4e6e648
Tweak format for example grammars
2014-03-28 13:51:32 -07:00
Max Brunsfeld
4454925b5a
Clean up parser macros more
2014-03-26 13:03:12 -07:00
Max Brunsfeld
316adc7788
Represent tree symbols as unsigned integers
2014-03-25 23:47:25 -07:00
Max Brunsfeld
f601322956
Clean up macros in parser.h
2014-03-25 19:51:34 -07:00
Max Brunsfeld
80b19cbb83
Construct entire parse table statically
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This removes the need for the 'init_parse_table' function,
which was not really thread safe
2014-03-25 19:34:17 -07:00
Max Brunsfeld
25861b7f03
Remove reduction-specific collapse flags in favor of globally hidden symbols
2014-03-25 09:05:55 -07:00
Max Brunsfeld
2df56f01c8
Remove public hidden symbol function
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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
48baf056b4
Store grammars' rules in vectors, not maps
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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
3a7c4bb5b1
Store AST nodes' non-hidden children
2014-03-24 01:03:32 -07:00
Max Brunsfeld
95188d84b6
Make tree struct private
2014-03-24 00:34:13 -07:00
Max Brunsfeld
c40411b4d1
Handle unexpected tokens properly
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Also, add null and boolean values to json grammar
2014-03-22 15:46:58 -07:00
Karen Wang and Max Brunsfeld
f248ece3aa
Use table-driven tests for specific parsers
2014-03-22 15:19:13 -07:00
Max Brunsfeld
5869c1ea18
Clean up stack breakdown function
2014-03-21 13:02:25 -07:00
Max Brunsfeld
bdbe69258a
Fix bug in stack breakdown procedure
2014-03-21 12:46:23 -07:00
Max Brunsfeld
cbc66b359e
Cleanup
2014-03-19 23:10:28 -07:00
Max Brunsfeld
fbe8b0a905
Fix incremental parsing
...
Stop collapsing hidden symbols upon reducing them.
Sadly, this messes up the ability to re-use parse
trees. Instead, for now, hide these nodes when
stringifying parse trees
2014-03-19 19:27:31 -07:00
Max Brunsfeld
7e94a4f1b2
Start work on reading input incrementally
2014-03-18 13:23:21 -07:00
Max Brunsfeld
fbb9b24d7b
Refactor ts_tree_children
2014-03-18 12:47:26 -07:00
Max Brunsfeld
8e7f59db1c
Allow room in parse table for error and EOF entries
2014-03-18 08:04:17 -07:00
Max Brunsfeld
67b33a615b
Refactor generated parsers to used explicit table
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This is slightly slower than encoding the parse table in
flow control, but allows the parser to inspect the parse
table more flexibly. This is needed for incremental parsing.
2014-03-17 18:43:17 -07:00
Max Brunsfeld
0d6435e24a
Pass edit information into parser function
2014-03-15 16:55:35 -07:00
Max Brunsfeld
464a0e8dad
Clean up parser header further
2014-03-15 15:15:59 -07:00
Max Brunsfeld
0dc3a95d0c
Refactor parser header
...
Make separate lexer, stack and parser structs.
2014-03-15 14:43:50 -07:00
Max Brunsfeld
05a5f9c124
Add function for notifying documents of edits
2014-03-12 13:39:12 -07:00
Max Brunsfeld
ff0c8a98b8
Consolidate reading of input chunks in parser
2014-03-11 12:43:13 -07:00
Max Brunsfeld
42e9a264f3
In parser, read chunked input correctly
2014-03-10 13:25:31 -07:00
Max Brunsfeld
31a58bc7e4
Make include guards pass cpplint
2014-03-09 22:05:24 -07:00
Max Brunsfeld
39aa0ccc91
Add script to trim whitespace
2014-03-09 19:49:35 -07:00