From 22d17b1c681199b6bd0380010c56cddbb6b8d96b Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Tue, 29 Mar 2011 22:25:27 +0200 Subject: [PATCH] re PR preprocessor/48248 (Wrong error message location when compiling preprocessed code) PR preprocessor/48248 * c-ppoutput.c (print): Add src_file field. (init_pp_output): Initialize it. (maybe_print_line): Don't optimize by adding up to 8 newlines if map->to_file and print.src_file are different file. (print_line): Update print.src_file. From-SVN: r171693 --- gcc/ChangeLog | 9 +++++++++ gcc/c-family/c-ppoutput.c | 7 ++++++- 2 files changed, 15 insertions(+), 1 deletion(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d43f586f0b0..612af358589 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,12 @@ +2011-03-29 Jakub Jelinek + + PR preprocessor/48248 + * c-ppoutput.c (print): Add src_file field. + (init_pp_output): Initialize it. + (maybe_print_line): Don't optimize by adding up to 8 newlines + if map->to_file and print.src_file are different file. + (print_line): Update print.src_file. + 2011-03-29 Vladimir Makarov * ira-conflicts.c (build_object_conflicts): Add unused attribute diff --git a/gcc/c-family/c-ppoutput.c b/gcc/c-family/c-ppoutput.c index 57ed676baac..9ebac423164 100644 --- a/gcc/c-family/c-ppoutput.c +++ b/gcc/c-family/c-ppoutput.c @@ -36,6 +36,7 @@ static struct int src_line; /* Line number currently being written. */ unsigned char printed; /* Nonzero if something output at line. */ bool first_time; /* pp_file_change hasn't been called yet. */ + const char *src_file; /* Current source file. */ } print; /* Defined and undefined macros being queued for output with -dU at @@ -153,6 +154,7 @@ init_pp_output (FILE *out_stream) print.prev = 0; print.outf = out_stream; print.first_time = 1; + print.src_file = ""; } /* Writes out the preprocessed file, handling spacing and paste @@ -312,7 +314,9 @@ maybe_print_line (source_location src_loc) print.printed = 0; } - if (src_line >= print.src_line && src_line < print.src_line + 8) + if (src_line >= print.src_line + && src_line < print.src_line + 8 + && strcmp (map->to_file, print.src_file) == 0) { while (src_line > print.src_line) { @@ -344,6 +348,7 @@ print_line (source_location src_loc, const char *special_flags) unsigned char *p; print.src_line = SOURCE_LINE (map, src_loc); + print.src_file = map->to_file; /* cpp_quote_string does not nul-terminate, so we have to do it ourselves. */ -- 2.30.2