Commit graph

198 commits

Author SHA1 Message Date
Max Brunsfeld
a948cb3ea0 Allow normal reductions that pop to the initial error state 2016-03-10 11:56:10 -08:00
Max Brunsfeld
e7d3d40a59 Explicitly inform stack pop callback when the stack is exhausted
Also, pass non-extra tree count as a single value, rather than keeping
track of the extra count and the total separately.
2016-03-10 11:51:55 -08:00
Max Brunsfeld
288a164823 Retrieve current lookahead state before it can be removed in reduce 2016-03-10 11:44:23 -08:00
Max Brunsfeld
da4a3f6516 Don't abort on allocation failures while finishing parse 2016-03-10 11:42:10 -08:00
Max Brunsfeld
2e35587161 Use new stack_pop_until function for repairing errors 2016-03-07 20:06:46 -08:00
Max Brunsfeld
c0595c21c5 Halt stack pops at all error states, not just error trees 2016-03-03 11:05:37 -08:00
Max Brunsfeld
5f9be9d9b2 Make Failure enumerators have the value zero 2016-03-03 10:24:12 -08:00
Max Brunsfeld
c1fa1efaad Give ParseActionResult enumerators more consistent names 2016-03-03 10:21:57 -08:00
Max Brunsfeld
3d516aeeec Give StackPushResult enumerators shorter names 2016-03-03 10:20:05 -08:00
Max Brunsfeld
8a13b5d120 Rename StackPopResult -> StackSlice 2016-03-03 10:16:10 -08:00
Max Brunsfeld
b99db66ce7 Improve log message for handling errors 2016-03-03 09:37:37 -08:00
Max Brunsfeld
aef7582a2a Start using the forward move to recover from errors
Some unit tests passing. Corpus tests still failing
2016-03-02 21:08:42 -08:00
Max Brunsfeld
e0c24e3be6 Remove old error recovery code 2016-03-02 20:58:39 -08:00
Max Brunsfeld
5a34d74702 Clean up stack 2016-02-25 21:51:39 -08:00
Max Brunsfeld
da2ef7ad35 Store trees in the links between stack nodes, not in the nodes themselves 2016-02-23 17:35:50 -08:00
Max Brunsfeld
abbc282950 Add a public function for printing debugging graphs 2016-02-23 11:16:50 -08:00
Max Brunsfeld
b36143d7a7 Add flag for logging dot graphs of the stack while parsing 2016-02-23 09:45:27 -08:00
Max Brunsfeld
867e1094c3 Fix sharing of lookahead token between parse stacks 2016-02-23 00:09:42 -08:00
Max Brunsfeld
b113dc8b0f Return a TreeArray from ts_stack_pop
Since the capacity is now included in the return value, the buffer
can be reused in the ts_parser__accept function. Also, it's just
cleaner to use Array consistently, rather than a separate buffer
and size.
2016-02-21 22:31:13 -08:00
Max Brunsfeld
3d7df851b5 Rename Vector -> Array 2016-02-17 20:41:29 -08:00
Max Brunsfeld
6fa7eca966 Make vector struct type-safe 2016-02-17 15:30:47 -08:00
Max Brunsfeld
3f08bfb264 Fix build warnings 2016-02-12 14:11:11 -08:00
Max Brunsfeld
e90a425618 Only return one result for each revealed head from ts_stack_pop 2016-02-08 12:08:15 -08:00
Max Brunsfeld
2f2ca401be Fix last few leaks, add leak checking to all randomized specs 2016-02-05 11:18:22 -08:00
Max Brunsfeld
c96c4a08e6 Use an object pool for stack nodes, to reduce allocations
Also, fix some leaks in the case where memory allocation failed during parsing
2016-02-04 11:19:42 -08:00
Max Brunsfeld
29c77c34ef Avoid leaking copy of potentially-extra token 2016-02-02 13:13:32 -08:00
Max Brunsfeld
1c9dff6dad Guard memcpy calls in ts_parser__accept 2016-02-02 12:22:29 -08:00
Max Brunsfeld
4a7312e514 Fix memory leaks when editing 2016-02-02 12:22:29 -08:00
Max Brunsfeld
7c44b0e387 Fix leaked lookahead trees in normal parsing 2016-01-29 17:31:43 -08:00
Max Brunsfeld
1ec39abe6a clang-format 2016-01-22 22:10:18 -07:00
Max Brunsfeld
e17ce2903e Clean up ts_parser__breakdown_stack 2016-01-21 14:07:38 -07:00
Max Brunsfeld
3dde0a6f39 Handle allocation failures during parsing 2016-01-19 18:08:01 -08:00
Max Brunsfeld
1543a6c7b0 Handle allocation failures when instantiating documents 2016-01-18 11:32:10 -08:00
Max Brunsfeld
87316f22f3 Wrap all calls to malloc and friends 2016-01-15 15:27:50 -08:00
Max Brunsfeld
19b776e74d Fix some errors caught by clang static analyzer 2016-01-15 13:33:05 -08:00
Max Brunsfeld
1142e05873 Copy lookahead state to the stack before pushing it to the vector
Valgrind caught this. If the vector needs to grow, the original pointer will
become invalid when the buffer is realloc'd
2016-01-13 13:49:32 -08:00
Max Brunsfeld
4b04afac5e Control lexer's error-mode via explicit boolean argument
Previously, the lexer would operate in error-mode (ignoring any garbage input
until it found a valid token) if it was invoked in the 'error' state. Now that
the error state is deduped with other lexical states, the lexer might be invoked
in that state even when error-mode is not intended. This adds a third argument
to `ts_lex` that explicitly sets the error-mode.

This bug was unlikely to occur in any real grammars, but it caused the
node-tree-sitter-compiler test suite to fail for some grammars with only one
rule.
2015-12-30 09:43:12 -08:00
Max Brunsfeld
4ad1a666be clang-format 2015-12-29 21:17:31 -08:00
Max Brunsfeld
97a281502e Store parse table more compactly 2015-12-29 11:27:41 -08:00
Max Brunsfeld
ff3a4baf42 Ensure parse stack heads are at the same positions 2015-12-27 12:53:56 -08:00
Max Brunsfeld
a8f50986e0 clang-format 2015-12-24 22:05:54 -08:00
Max Brunsfeld
13d8de3eb3 Remove stack head after it is accepted 2015-12-24 22:04:20 -08:00
Max Brunsfeld
f483178f83 Clean up main parser loop 2015-12-24 10:21:42 -08:00
Max Brunsfeld
7f1c5f7568 Don't use preprocesser for special tree state values 2015-12-22 14:37:29 -08:00
Max Brunsfeld
da1bc038e5 Remove nested options structs in Tree 2015-12-22 14:20:58 -08:00
Max Brunsfeld
30961143fe Only perform breakdown if next terminal node has changes 2015-12-22 14:00:22 -08:00
Max Brunsfeld
6b11890d68 Reuse fragile parent nodes that were reduced in the current state 2015-12-22 13:59:04 -08:00
Max Brunsfeld
2bcd2e4d00 Reuse fragile tokens that came from the current lex state 2015-12-21 16:04:11 -08:00
Max Brunsfeld
c495076adb Record in parse table which actions can hide splits
Suppose a parse state S has multiple actions for a terminal lookahead symbol A.
Then during incremental parsing, while in state S, the parser should not
reuse a non-terminal lookahead B where FIRST(B) contains A, because reusing B
might prematurely discard one of the possible actions that a batch parser
would have attempted in state S, upon seeing A as a lookahead.
2015-12-17 13:11:56 -08:00
Max Brunsfeld
7fbb628c78 Remove TreeSelectionCallback struct
Just make a typedef for the function type
2015-12-17 12:09:06 -08:00