diff options
Diffstat (limited to 'libcpp/macro.c')
| -rw-r--r-- | libcpp/macro.c | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/libcpp/macro.c b/libcpp/macro.c index d760383..2d0eeaa 100644 --- a/libcpp/macro.c +++ b/libcpp/macro.c @@ -165,6 +165,13 @@ static void consume_next_token_from_context (cpp_reader *pfile, source_location *); static const cpp_token* cpp_get_token_1 (cpp_reader *, source_location *); +/* Statistical counter tracking the number of macros that got + expanded. */ +unsigned num_expanded_macros_counter = 0; +/* Statistical counter tracking the total number tokens resulting + from macro expansion. */ +unsigned num_macro_tokens_counter = 0; + /* Emits a warning if NODE is a macro defined in the main file that has not been used. */ int @@ -1082,10 +1089,15 @@ enter_macro_context (cpp_reader *pfile, cpp_hashnode *node, (const cpp_token **) macro_tokens->base, count); + num_macro_tokens_counter += count; } else - _cpp_push_token_context (pfile, node, macro->exp.tokens, - macro_real_token_count (macro)); + { + unsigned tokens_count = macro_real_token_count (macro); + _cpp_push_token_context (pfile, node, macro->exp.tokens, + tokens_count); + num_macro_tokens_counter += tokens_count; + } } if (pragma_buff) @@ -1095,13 +1107,18 @@ enter_macro_context (cpp_reader *pfile, cpp_hashnode *node, padding_token (pfile, result), 1); do { + unsigned tokens_count; _cpp_buff *tail = pragma_buff->next; pragma_buff->next = NULL; + tokens_count = ((const cpp_token **) BUFF_FRONT (pragma_buff) + - (const cpp_token **) pragma_buff->base); push_ptoken_context (pfile, NULL, pragma_buff, (const cpp_token **) pragma_buff->base, - ((const cpp_token **) BUFF_FRONT (pragma_buff) - - (const cpp_token **) pragma_buff->base)); + tokens_count); pragma_buff = tail; + if (!CPP_OPTION (pfile, track_macro_expansion)) + num_macro_tokens_counter += tokens_count; + } while (pragma_buff != NULL); return 2; @@ -1711,6 +1728,8 @@ replace_args (cpp_reader *pfile, cpp_hashnode *node, cpp_macro *macro, else push_ptoken_context (pfile, node, buff, first, tokens_buff_count (buff)); + + num_macro_tokens_counter += tokens_buff_count (buff); } /* Return a special padding token, with padding inherited from SOURCE. */ @@ -2240,6 +2259,8 @@ cpp_get_token_1 (cpp_reader *pfile, source_location *location) } else { + if (pfile->context->c.macro) + ++num_expanded_macros_counter; _cpp_pop_context (pfile); if (pfile->state.in_directive) continue; |