X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/92b16366ddbf8aca3974852048f97e8045e77e1d..49701457c2728ad7c77528205aa0bd1cb3379128:/ChangeLog diff --git a/ChangeLog b/ChangeLog index c9a62be7..d47c6480 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,92 @@ +2001-12-10 Akim Demaille + + Now that states have a complete set of members, the linked list of + reductions is useless: just fill directly the state's reductions + member. + + * src/state.h (struct reductions): Remove member `number' and + `next'. + * src/LR0.c (first_reduction, last_reduction): Remove. + (save_reductions): Don't link the new reductions, store them in + this_state. + * src/lalr.c (set_state_table): No need to attach reductions to + states, it's already done. + * src/output.c (output_actions): No longer free the shifts, then + the reductions, then the states: free all the states and their + members. + + +2001-12-10 Akim Demaille + + * src/options.c (OPTN, DRTV, BOTH): New. + (option_table): Use them. + + + * src/muscle_tab.c: Don't include xalloc.h and string.h: that's + the job of system.h. + * src/options.c: Don't include stdio.h and xalloc.h for the same + reasons. + + +2001-12-10 Akim Demaille + + * src/output.c (output, prepare): Make sure the values of the + muscles `action' and `prologue' are 0-terminated. + +2001-12-10 Akim Demaille + + Clean up GCC warnings. + + * src/reader.c (copy_action): `buf' is not used. + (parse_skel_decl): Be static. + * src/muscle_tab.c (mhash1, mhash2, muscle_insert): Preserve `const'. + * src/options.h (create_long_option_table): Have a real prototype. + * lib/hash.c, lib/hash.h (hash_insert, hash_insert_at, hash_delete) + (hash_delete_at): Return const void *. + Adjust casts to preserve the const. + +2001-12-10 Akim Demaille + + * configure.in: Require 2.52g. + M4 is not needed, but AUTOM4TE is. + * m4/m4.m4: Remove. + * tests/Makefile.am: Adjust. + + +2001-12-10 Akim Demaille + + One structure for states is enough, even though theoretically + there are LR(0) states and LALR(1) states. + + * src/lalr.h (state_t): Remove. + (state_table): Be state_t **, not state_t *. + * src/state.h (core, CORE_ALLOC): Rename as... + (state_t, STATE_ALLOC): this. + Add the LALR(1) members: shifts, reductions, errs. + * src/LR0.c (state_table): Rename as... + (state_hash): this, to avoid name clashes with the global + `state_table'. + * src/print_graph.c, src/LR0.c, src/LR0.h, src/conflicts.c + * src/lalr.c, src/lalr.h, src/output.c, src/print.c: Adjust. + + +2001-12-10 Akim Demaille + + Bison dumps core on bash.y. + Reported by Pascal Bart. + + * src/warshall.c (bitmatrix_print): New. + (TC): Use it. + When performing a transitive closure R(i, j) && R(j, k) => R(i, k), + j must be the outer loop. + * tests/regression.at (Broken Closure): New. + +2001-12-05 Akim Demaille + + * tests/atlocal.in (CPPFLAGS): Do not leave a space between -I and + its argument. + Reported by Peter Hámorský. + 2001-12-05 Akim Demaille * src/conflicts.c (err_table): Remove. @@ -6,7 +95,6 @@ Rename as... (state_t.reductions, state_t.shifts): this. - 2001-12-05 Akim Demaille * src/reduce.c (reduce_grammar_tables): No longer disable the @@ -16,7 +104,6 @@ the `line' member of rule_t. * src/gram.c (dummy, rline): Remove, unused. - 2001-12-05 Akim Demaille * src/output.c (pack_vector): Use assert, not berror. @@ -38,36 +125,30 @@ * src/closure.c, src/closure.h (itemsetsize): Rename as... (nitemset): for consistency with the rest of the project. - 2001-12-05 Akim Demaille * src/closure.c (print_closure): Improve. (closure): Use it for printing input and output. - 2001-12-05 Akim Demaille * src/closure.c (FIRSTS, FDERIVES): Adjust to reality: they are indexed by nonterminals. - 2001-12-05 Akim Demaille * src/warshall.c (TC, RTC): De-obsfucate (source reduced to 22% of what it was!). * src/warshall.h: Remove accidental duplication of the content. - 2001-12-05 Akim Demaille * src/closure.c (set_fderives): De-obfuscate. - 2001-12-05 Akim Demaille * src/closure.c (print_firsts, print_fderives): De-obfuscate. - 2001-12-05 Akim Demaille * src/closure.c (set_firsts): De-obfuscate. @@ -78,7 +159,6 @@ using the good o' techniques: arrays not pointers, variable locality, BITISSET, RESETBIT etc. - 2001-12-05 Akim Demaille Pessimize the code to simplify it: from now on, all the states