From b17a1fc541456df871fa672c99d8d92cc7c084dd Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Sat, 7 Dec 2002 05:57:32 +0000 Subject: [PATCH] * src/location.c: Include . (empty_location): Now const. (location_print): New function. Follow the recommendation of the GNU Coding Standards for locations that span file boundaries. --- src/location.c | 24 ++++++++++++++++++++++-- 1 file changed, 22 insertions(+), 2 deletions(-) diff --git a/src/location.c b/src/location.c index b4361cd..1d95d21 100644 --- a/src/location.c +++ b/src/location.c @@ -1,5 +1,5 @@ /* Locations for Bison - Copyright (C) 2002 Free Software Foundation, Inc. + Copyright (C) 2002 Free Software Foundation, Inc. This file is part of Bison, the GNU Compiler Compiler. @@ -20,5 +20,25 @@ #include "system.h" #include "location.h" +#include -location_t empty_location = { NULL, 0, 0, 0, 0 }; +location_t const empty_location; + +/* Output to OUT the location LOC. + Warning: it uses quotearg's slot 3. */ +void +location_print (FILE *out, location_t loc) +{ + fprintf (out, "%s:%d.%d", + quotearg_n_style (3, escape_quoting_style, loc.start.file), + loc.start.line, loc.start.column); + + if (loc.start.file != loc.end.file) + fprintf (out, "-%s:%d.%d", + quotearg_n_style (3, escape_quoting_style, loc.end.file), + loc.end.line, loc.end.column - 1); + else if (loc.start.line < loc.end.line) + fprintf (out, "-%d.%d", loc.end.line, loc.end.column - 1); + else if (loc.start.column < loc.end.column - 1) + fprintf (out, "-%d", loc.end.column - 1); +} -- 2.7.4