X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/78af9bbcd3cc7904cf304a3da91b45fe9528dd3c..e83d80b8ed8587fd05437d33f2011403f55f1f9d:/ChangeLog?ds=sidebyside diff --git a/ChangeLog b/ChangeLog index dbf340ac..2e2cbb0d 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,92 @@ +2001-12-10 Marc Autret + + * src/reader.c (copy_definition): Re-use CPP-outed code which + replace precedent remove. + * src/bison.simple: Remove #line before %%prologue because + %%input-line is wrong at this time. + +2001-12-10 Marc Autret + + * src/reader.c (symbols_output): Clean up. + * src/output.c (output_gram, output): Clean up. + +2001-12-10 Akim Demaille + + * src/lalr.c (initialize_lookaheads): New. Extracted from... + * src/LR0.c (set_state_table): here. + * src/lalr.c (lalr): Call it. + +2001-12-10 Akim Demaille + + * src/state.h (shifts): Remove the `number' member: shifts are + attached to state, hence no longer need to be labelled with a + state number. + +2001-12-10 Akim Demaille + + Now that states have a complete set of members, the linked list of + shifts is useless: just fill directly the state's shifts member. + + * src/state.h (shifts): Remove the `next' member. + * src/LR0.c (first_state, last_state): Remove. + Adjust the callers. + (augment_automaton): Don't look for the shifts that must be added + a shift on EOF: it is those of the state we looked for! But now, + since shifts are attached, it is no longer needed to looking + merely by its id: its number. + +2001-12-10 Akim Demaille + + * src/LR0.c (augment_automaton): Better variable locality. + Remove an impossible branch: if there is a state corresponding to + the start symbol being shifted, then there is shift for the start + symbol from the initial state. + +2001-12-10 Akim Demaille + + * src/LR0.c (augment_automaton): Call `insert_eof_shifting_state' + only when appropriate: when insert_start_shifting_state' is not + invoked. + * tests/regression.at (Rule Line Numbers): Adjust. + +2001-12-10 Akim Demaille + + * src/LR0.c (augment_automaton): Now that all states have shifts, + merge the two cases addition shifts to the initial state. + +2001-12-10 Akim Demaille + + * src/lalr.c (set_state_table): Move to... + * src/LR0.c: here. + * src/lalr.c (lalr): Don't call it... + * src/LR0.c (generate_states): do it. + * src/LR0.h (first_state): Remove, only the table is used. + +2001-12-10 Akim Demaille + + * src/LR0.h (first_shift, first_reduction): Remove. + * src/lalr.c: Don't use first_shift: find shifts through the + states. + +2001-12-10 Akim Demaille + + * src/LR0.c: Attach shifts to states as soon as they are + computed. + * src/lalr.c (set_state_table): Instead of assigning shifts to + state, just assert that the mapping was properly done. + +2001-12-10 Akim Demaille + + * src/LR0.c (insert_start_shift): Rename as... + (insert_start_shifting_state): this. + (insert_eof_shifting_state, insert_accepting_state): New. + (augment_automaton): Adjust. + Better locality of the variables. + When looking if the start_symbol is shifted from the initial + state, using `while (... symbol != start_symbol ...)' sounds + better than `while (... symbol < start_symbol ...)': If fail + to see how the order between symbols could be relevant! + 2001-12-10 Akim Demaille * src/getargs.h: Don't declare `spec_name_prefix' and @@ -8,18 +97,15 @@ * src/reader.c (symbols_output): Likewise. * src/vmsgetargs.c: Vaguely adjust, but who cares? - 2001-12-10 Akim Demaille * src/muscle_tab.c (muscle_init): NULL is a better default than `"0"'. - 2001-12-10 Akim Demaille * src/reader.c (reader): Calling symbols_output once is enough. - 2001-12-10 Akim Demaille Now that states have a complete set of members, the linked list of @@ -37,19 +123,16 @@ 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 @@ -74,7 +157,6 @@ * m4/m4.m4: Remove. * tests/Makefile.am: Adjust. - 2001-12-10 Akim Demaille One structure for states is enough, even though theoretically @@ -91,7 +173,6 @@ * 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.