libcpp/ChangeLog.pph

   1 2011-04-06  Lawrence Crowl <crowl@google.com>
   2
   3         * include/cpplib.h (struct cpp_hashnode): Add used_by_directive and
   4         expanded_to_text attributes for macros.  Take their bits from
   5         directive_index, which does not need them.
   6         * include/symtab.h (struct cpp_idents_used): Split max_length into
   7         max_ident_len and max_value_len.  Reorder fields to avoid gaps.
   8         (struct cpp_ident_use): Add used_by_directive and expanded_to_text
   9         attributes for macros.
  10         * internal.h (struct cpp_lookaside): Split max_length into
  11         max_ident_len and max_value_len.
  12         * macro.c (enter_macro_context): Mark expanded_to_text macro attribute.
  13         * directives.c (DIRECTIVE_TABLE): Add sizing comment.
  14         (do_define): Mark used_by_directive macro attribute.
  15         (do_undef): Likewise.
  16         (do_ifdef): Likewise.
  17         * expr.c (parse_defined): Mark used_by_directive macro attribute.
  18         * symtab.c (cpp_lt_create): Split cpp_lookaside::max_length into
  19         max_ident_len and max_value_len.
  20         * (lt_macro_value): Likewise.
  21         * (lt_lookup): Likewise.
  22         * (cpp_lt_capture): Likewise.  Also save used_by_directive and
  23         expanded_to_text attributes of macros.
  24         * (cpp_lt_replay): Split cpp_idents_used::max_lenth into
  25         max_ident_len and max_value_len.  Allocate a buffer with the sum.
  26
  27
  28 2011-03-04  Lawrence Crowl <crowl@google.com>
  29
  30         * symtab.h (cpp_lt_verify_1): Temporary new function.
  31         * symtab.c (cpp_lt_verify_1): Temporary new function.
  32         * (cpp_lt_verify): Permit macro values to match after as well
  33         * (lt_query_macro): Remove name of macro from macro value.
  34         * (cpp_lt_define_syntax): Likewise, but needs another parameter.
  35         * (cpp_lt_replay): Likewise.
  36         as before on load of a PPH file.
  37         * (cpp_lt_idents_destroy): Delete the right thing.
  38
  39 2011-02-24  Lawrence Crowl  <crowl@google.com>
  40
  41         * include/cpplib.h (cpp_main_missing_guard): Add declaration.
  42         * files.c (cpp_main_missing_guard): Add definition.
  43         (main_missing_guard): Add to support cpp_main_missing_guard.
  44
  45 2011-01-27  Diego Novillo  <dnovillo@google.com>
  46
  47         * include/cpplib.h (cpp_reset_lexer_state,
  48         cpp_restore_lexer_state): Remove.
  49         * lex.c: Likewise.
  50         Update all users.
  51
  52 2010-12-17  Diego Novillo  <dnovillo@google.com>
  53
  54         * internal.h (struct cpp_lookaside): Rename field
  55         flag_pth_debug to pth_debug_level.
  56
  57 2010-12-09  Lawrence Crowl  <crowl@google.com>
  58
  59         * include/symtab.h (cpp_lt_exchange): Change parameter name.
  60         (cpp_lt_create): Clarify lead comment.
  61         (cpp_lt_destroy): Clarify lead comment.
  62         (cpp_lt_capture): Change parameter name.
  63         (cpp_lt_verify): Clarify lead comment.
  64         (cpp_lt_replay): Clarify lead comment.
  65         (cpp_lt_num_entries): Unused.  Removed.
  66         (cpp_lt_max_length): Unused.  Removed.
  67         (cpp_lt_take_strings): Unused.  Removed.
  68         (typedef cpp_lookback): Unused.  Removed.
  69         (cpp_lt_forall): Unused.  Removed.
  70         (cpp_lt_idents_destroy): New.
  71         (cpp_lt_statistics): Functionality move to internal.
  72
  73         * symtab.c: Add comment on the lookaside table.
  74         (cpp_lt_exchange): Add lead comment.  Change parameter name.
  75         (lt_clear_stats): New.
  76         (cpp_lt_create): Add lead comment.  Save original table size order.
  77         Refactor clear stats.
  78         (lt_statistics): Rename from cpp_lt_statistics for use only internally.
  79         Add lead comment.  Change parameter type.  Refactor clear stats.
  80         (cpp_lt_destroy): Add lead comment.  Add statistics printing.
  81         (cpp_lt_num_entries): Unused.  Remove.
  82         (cpp_lt_max_length): Unused.  Remove.
  83         (cpp_lt_take_strings): Unused.  Remove.
  84         (cpp_lt_forall): Add lead comment.  Unused.  Disable.
  85         (lt_query_macro): Change parameter name.
  86         (lt_macro_value): Change parameter name.
  87         (cpp_lt_capture): Change parameter name.
  88         Reuse existing table if it is close enough to the existing size.
  89         Otherwise, allocate a new table.  Add internal comments.
  90         (cpp_lt_idents_destroy): New.
  91         (lt_resize): Add lead comment.
  92         (lt_lookup): Change parameter name.
  93
  94         * internal.h (struct cpp_lookaside): Added sticky_order field.
  95
  96         * initi.c (cpp_destroy): Add call to cpp_lt_destroy.
  97
  98 2010-11-02  Lawrence Crowl  <crowl@google.com>
  99             Diego Novillo  <dnovillo@google.com>
 100
 101         * symtab.c: Include internal.h
 102         (ht_calc_hash): Rename from calc_hash.  Declare extern.
 103         Adjust all users.
 104         (cpp_lt_exchange): New.
 105         (cpp_lt_create): New.
 106         (cpp_lt_statistics): New.
 107         (cpp_lt_destroy): New.
 108         (cpp_lt_num_entries): New.
 109         (cpp_lt_max_length): New.
 110         (cpp_lt_take_strings): New.
 111         (cpp_lt_forall): New.
 112         (lt_query_macro): New.
 113         (lt_macro_value): New.
 114         (cpp_lt_capture): New.
 115         (cpp_lt_verify): New.
 116         (cpp_lt_define_syntax): New.
 117         (cpp_lt_replay): New.
 118         (LT_MASK): Define.
 119         (LT_FIRST): Define.
 120         (LT_NEXT): Define.
 121         (lt_resize): New.
 122         (lt_lookup): New.
 123         * macro.c (_cpp_save_parameter): Re-write to use new
 124         param_buffer field to avoid clobbering macro_buffer.
 125         * include/cpplib.h (lexer_state): Define.
 126         (enum include_type): Define.
 127         (cpp_reset_lexer_state): Define.
 128         (cpp_restore_lexer_state): Define.
 129         (struct cpp_offset): Define.
 130         (cpp_buffer_start): Declare.
 131         (cpp_buffer_end): Declare.
 132         (cpp_lookup_with_hash): Declare.
 133         (cpp_peek_sym): Declare.
 134         (cpp_dump_identifier): Declare.
 135         (cpp_debug_identifier): Declare.
 136         (cpp_dump_identifiers): Declare.
 137         (cpp_debug_identifiers): Declare.
 138         (cpp_push_include_type): Declare.
 139         (cpp_get_pos): Declare.
 140         (cpp_set_pos): Declare.
 141         (cpp_return_at_eof): Declare.
 142         * include/symtab.h (cpp_lookaside): Define.
 143         (struct cpp_ident_use): Declare.
 144         (struct cpp_idents_used): Declare.
 145         (cpp_lt_exchange): Declare.
 146         (cpp_lt_create): Declare.
 147         (cpp_lt_destroy): Declare.
 148         (cpp_lt_capture): Declare.
 149         (cpp_lt_verify): Declare.
 150         (cpp_lt_replay): Declare.
 151         (cpp_lt_num_entries): Declare.
 152         (cpp_lt_max_length): Declare.
 153         (cpp_lt_take_strings): Declare.
 154         (*cpp_lookback): Declare.
 155         (cpp_lt_forall): Declare.
 156         (cpp_lt_statistics): Declare.
 157         * files.c (cpp_buffer_start): Define.
 158         (cpp_buffer_end): Define.
 159         (_cpp_stack_include): Add argument dname.  Adjust
 160         all users.
 161         (cpp_push_include_type): New.
 162         (cpp_get_pos): New.
 163         (cpp_set_pos): New.
 164         (cpp_return_at_eof): New.
 165         * init.c (cpp_create_reader): Initialize field
 166         lookaside_table.
 167         (cpp_destroy): Free field param_buffer, if needed.
 168         * identifiers.c (cpp_lookup_with_hash): New.
 169         (cpp_lookup): Call it.
 170         (cpp_peek_sym): New.
 171         (cpp_dump_identifier): New.
 172         (cpp_debug_identifier): New.
 173         (cpp_dump_identifiers_r): New.
 174         (cpp_dump_identifiers): New.
 175         (cpp_debug_identifiers): New.
 176         * internal.h    (revision 166136):
 177         (struct lae): Declare.
 178         (struct cpp_lookaside): Declare.
 179         (lt_lookup): Declare.
 180         (ht_calc_hash): Declare.
 181         (struct cpp_reader): Add fields param_buffer,
 182         param_buffer_len and lookaside_table.
 183         (_cpp_stack_include): Add new const char * argument.
 184         * lex.c (lex_identifier_intern): Call cpp_lookup_with_hash.
 185         (lex_identifier): Likewise.
 186         (_cpp_lex_token): Initialize result to NULL.
 187         (cpp_reset_lexer_state): New.
 188         (cpp_restore_lexer_state): New.
 189         * charset.c (_cpp_interpret_identifier): Call cpp_lookup.