kr.angelov
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56c8f91d19
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remove the pgf2yaml tool which was both broken and redundant. The declarations for generic programming from data.c are removed as well
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2013-02-11 13:51:12 +00:00 |
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kr.angelov
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ff25ba8f90
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the grammar reader in the C runtime is completely rewritten and it doesn't use the generic programming API
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2013-02-11 10:16:58 +00:00 |
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kr.angelov
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e9b5557c6c
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This patch removes Gregoire's parse_tokens function in the python binding and adds another implementation which builds on the existing API for lexers in the C runtime. Now it is possible to write incremental Lexers in Python
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2013-02-01 09:29:43 +00:00 |
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gregoire.detrez
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459a9a855b
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Python binding: add a parsing function that accepts directly a list of tokens.
Is allows to define a tokenizer in python (or use an existing one, from nltk for instance.)
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2013-01-24 13:31:34 +00:00 |
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kr.angelov
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3be31c62e9
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a new reasoner in the C runtime. It supports tabling which makes it decideable for propositional logic. dependent types and high-order types are not supported yet. The generation is still in decreasing probability order
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2013-01-07 12:50:32 +00:00 |
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kr.angelov
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bb077b8330
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bugfix: the linearizer should not generate extra space at the end of the sentence
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2012-12-19 11:18:34 +00:00 |
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kr.angelov
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f7eaa8a89a
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bugfix for linearization of metavariables at the root of a tree
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2012-12-19 10:03:05 +00:00 |
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kr.angelov
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6201640d7b
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rename linearize.{h/c} to linearizer.{h/c} which follows the convention used in parser.c and reasoner.c
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2012-12-19 09:17:24 +00:00 |
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kr.angelov
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5c9ee467a9
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a major reimplementation of the linearizer in the C runtime
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2012-12-19 09:07:05 +00:00 |
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kr.angelov
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dc809da91f
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the C runtime now can read abstract expressions with literals and meta variables
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2012-12-18 12:29:30 +00:00 |
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kr.angelov
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32905c8363
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debugging infrastructure in the reasoner
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2012-12-14 21:25:00 +00:00 |
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kr.angelov
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5cec2d5a50
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bugfix for the reasoner in the C runtime
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2012-12-14 21:24:17 +00:00 |
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kr.angelov
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8aefd1e072
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The first prototype for exhaustive generation in the C runtime. The trees are always listed in decreasing probability order. There is also an API for generation from Python
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2012-12-14 15:32:49 +00:00 |
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kr.angelov
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e1bab39458
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bugfix in the lexer from the C runtime. the input sentence doesn't have to terminate with whitespace
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2012-12-13 16:45:44 +00:00 |
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kr.angelov
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2ba632dc9f
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a top-level API for parsing in the C runtime
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2012-12-13 14:44:33 +00:00 |
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kr.angelov
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60942c440a
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bugfix: the outside probability of a PgfItemConts must always be initialized to zero
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2012-12-13 11:11:45 +00:00 |
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kr.angelov
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fe51a7fb98
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bugfix: pgf_read_expr no longer requires a semicolon at the end of an abstract expression
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2012-12-13 11:09:26 +00:00 |
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kr.angelov
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1376df457d
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started an official API to the C runtime
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2012-12-12 11:25:58 +00:00 |
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kr.angelov
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3182e382dc
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bugfix for robust parsing with multi-word units
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2012-12-11 12:57:22 +00:00 |
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kr.angelov
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1863e4c3d6
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added experimental script for chunking in the C runtime
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2012-12-03 10:07:54 +00:00 |
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kr.angelov
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f8c302f9ef
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remove the duplicated definition of PgfProductionIdx in parser.c
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2012-11-19 14:16:31 +00:00 |
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kr.angelov
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71b7c09ffe
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bugfix for the building of bottom-up filter in the C runtime
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2012-11-16 13:27:15 +00:00 |
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kr.angelov
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a3ba1991f4
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revised heuristic in the statistical parser
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2012-11-14 12:34:22 +00:00 |
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kr.angelov
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70c68f0527
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bugfix in the statistical parser
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2012-11-13 09:48:23 +00:00 |
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kr.angelov
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08ee662944
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two simple heuristics which speed up the statistical parser more than seven times.
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2012-11-12 22:17:40 +00:00 |
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kr.angelov
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68170d5b08
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a simple refactoring in the statistical parser
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2012-11-12 21:48:22 +00:00 |
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kr.angelov
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a2771552d6
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more counters in the profiler for the statistical parser
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2012-11-12 15:36:21 +00:00 |
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kr.angelov
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46de62c452
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now we store the state instead of the offset for every continuation in the chart for the statistical parser
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2012-11-12 14:04:52 +00:00 |
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kr.angelov
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9967c3ad04
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in the statistical parser: move the outside probability from the parse items to their continuation. this makes the value slot shared between many items
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2012-11-12 13:43:43 +00:00 |
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kr.angelov
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9d23093492
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small refactoring in the C runtime
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2012-11-12 13:05:35 +00:00 |
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kr.angelov
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a50c7c24b8
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use size_t consistently as the type for constituent indices in the C runtime
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2012-11-12 12:51:27 +00:00 |
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kr.angelov
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52255664be
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use prob_t instead of float in a few places
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2012-10-29 08:52:56 +00:00 |
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kr.angelov
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0ad2405d69
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forgot to add one #ifdef
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2012-10-25 18:37:22 +00:00 |
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kr.angelov
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9721833680
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a major refactoring in the robust parser: bottom-up filtering and garbage collection for the chart
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2012-10-25 14:42:53 +00:00 |
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kr.angelov
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18fe8af964
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now the meta probability for a category is explicitly specified in the statistical model instead of computed internally. this avoids rounding errors while computing the sum of a large number of small values.
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2012-09-24 09:37:21 +00:00 |
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kr.angelov
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bb15542a85
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in the robust parser we don't have to care about trees which yeld empty strings. this makes the parser a lot faster
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2012-09-24 09:30:20 +00:00 |
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kr.angelov
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44df7a33cf
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the C runtime now has a type prob_t which is used only for probability values
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2012-09-18 09:18:48 +00:00 |
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kr.angelov
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cd3cca4aa2
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bugfix in the C parser
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2012-09-06 14:52:19 +00:00 |
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kr.angelov
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3a352a953f
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Use a separated tag for meta productions in the robust parser. This cleans up the code a lot
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2012-06-13 05:49:30 +00:00 |
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kr.angelov
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7549a4876d
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now there is a limit of 2000000 items in the chart of the robust parser. This prevents from explosion in the memory size but it will also prevent us from parsing some sentences.
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2012-06-12 11:30:01 +00:00 |
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kr.angelov
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b765b0c054
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now the robust parser is purely top-down and the meta rules compete on a fair basis with the grammar rules
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2012-06-12 09:29:51 +00:00 |
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kr.angelov
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cab4602b62
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the viterbi probability for the epsilon categories is now updated properly
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2012-05-25 07:30:35 +00:00 |
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kr.angelov
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bd8046f23d
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another attempt to port the robust parser to MacOS
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2012-05-16 15:18:44 +00:00 |
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kr.angelov
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4aca965109
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a new unbiased statistical parser. it is still far from perfect use it on your own risk.
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2012-05-08 12:13:28 +00:00 |
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kr.angelov
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ed6a53609b
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yet another fix for parsing literals
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2012-04-18 15:50:55 +00:00 |
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kr.angelov
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c6c54f8815
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some fixes in the robust parser and a new API for literals
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2012-04-12 06:55:25 +00:00 |
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kr.angelov
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99cc07ad67
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simple cleanup in the robust parser
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2012-04-02 19:01:18 +00:00 |
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kr.angelov
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2bf3f22fac
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libpgf: a new implementation for literals which also allows custom literals. the same mechanism is now used for the metavariables
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2012-03-12 14:25:51 +00:00 |
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kr.angelov
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c1b2246fa9
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libpgf: added simple lexer
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2012-03-09 09:14:44 +00:00 |
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kr.angelov
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1da464a4cc
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libpgf: implementation for built in literal categories
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2012-03-07 16:39:29 +00:00 |
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