* src/gram.h (item_number_t): New, the type of item numbers in

[bison.git] / ChangeLog

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+2002-04-08  Akim Demaille  <akim@epita.fr>
+
+       * src/gram.h (item_number_t): New, the type of item numbers in
+       RITEM.  Note that it must be able to code symbol numbers as
+       positive number, and the negation of rule numbers as negative
+       numbers.
+       Adjust all dependencies (pretty many).
+       * src/reduce.c (rule): Remove this `short *' pointer: use
+       item_number_t.
+       * src/system.h (MINSHORT, MAXSHORT): Remove.
+       Include `limits.h'.
+       Adjust dependencies to using SHRT_MAX and SHRT_MIN.
+       (shortcpy): Remove.
+       (MAXTABLE): Move to...
+       * src/output.c (MAXTABLE): here.
+       (prepare_rules): Use output_int_table to output rhs.
+       * data/bison.simple, data/bison.c++: Adjust.
+       * tests/torture.at (Big triangle): Move the limit from 254 to
+       500.
+       * tests/regression.at (Web2c Actions): Ajust.
+
+       Trying with bigger grammars shows various phenomena: at 3000 (28Mb
+       of grammar file) bison is killed by my system, at 2000 (12Mb) bison
+       passes, but produces negative #line number, once fixed, GCC is
+       killed while compiling 14Mb, at 1500 (6.7 Mb of grammar, 8.2Mb of
+       C), it passes.
+       * src/state.h (state_h): Code input lines on ints, not shorts.
+
 2002-04-08  Akim Demaille  <akim@epita.fr>
 
        * src/reduce.c (reduce_grammar): First reduce the nonterminals,