re PR fortran/81651 (Enhancement request: have f951 print out fully qualified module...

2019-11-12  Harald Anlauf  <anlauf@gmx.de>

	PR fortran/81651
	* module.c (gzopen_included_file, gzopen_included_file_1)
	(gzopen_intrinsic_module, bad_module, gfc_use_module): Use fully
	qualified module path for error reporting.

From-SVN: r278105

diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 92a71a3..876a9bb 100644 (file)
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,10 @@
+2019-11-12  Harald Anlauf  <anlauf@gmx.de>
+
+       PR fortran/81651
+       * module.c (gzopen_included_file, gzopen_included_file_1)
+       (gzopen_intrinsic_module, bad_module, gfc_use_module): Use fully
+       qualified module path for error reporting.
+
 2019-11-12  Martin Liska  <mliska@suse.cz>
 
        * options.c (gfc_init_options):

diff --git a/gcc/fortran/module.c b/gcc/fortran/module.c
index 1ca1535..755f237 100644 (file)
--- a/gcc/fortran/module.c
+++ b/gcc/fortran/module.c
@@ -187,6 +187,8 @@ pointer_info;
 /* The gzFile for the module we're reading or writing.  */
 static gzFile module_fp;
 
+/* Fully qualified module path */
+static char *module_fullpath = NULL;
 
 /* The name of the module we're reading (USE'ing) or writing.  */
 static const char *module_name;
@@ -1101,6 +1103,8 @@ gzopen_included_file_1 (const char *name, gfc_directorylist *list,
          if (gfc_cpp_makedep ())
            gfc_cpp_add_dep (fullname, system);
 
+        free (module_fullpath);
+        module_fullpath = xstrdup (fullname);
          return f;
        }
     }
@@ -1116,8 +1120,14 @@ gzopen_included_file (const char *name, bool include_cwd, bool module)
   if (IS_ABSOLUTE_PATH (name) || include_cwd)
     {
       f = gzopen (name, "r");
-      if (f && gfc_cpp_makedep ())
-       gfc_cpp_add_dep (name, false);
+      if (f)
+       {
+         if (gfc_cpp_makedep ())
+           gfc_cpp_add_dep (name, false);
+
+         free (module_fullpath);
+         module_fullpath = xstrdup (name);
+       }
     }
 
   if (!f)
@@ -1134,8 +1144,14 @@ gzopen_intrinsic_module (const char* name)
   if (IS_ABSOLUTE_PATH (name))
     {
       f = gzopen (name, "r");
-      if (f && gfc_cpp_makedep ())
-        gfc_cpp_add_dep (name, true);
+      if (f)
+       {
+         if (gfc_cpp_makedep ())
+           gfc_cpp_add_dep (name, true);
+
+         free (module_fullpath);
+         module_fullpath = xstrdup (name);
+       }
     }
 
   if (!f)
@@ -1181,7 +1197,7 @@ bad_module (const char *msgid)
     {
     case IO_INPUT:
       gfc_fatal_error ("Reading module %qs at line %d column %d: %s",
-                      module_name, module_line, module_column, msgid);
+                      module_fullpath, module_line, module_column, msgid);
       break;
     case IO_OUTPUT:
       gfc_fatal_error ("Writing module %qs at line %d column %d: %s",
@@ -7141,7 +7157,7 @@ gfc_use_module (gfc_use_list *module)
       if ((start == 1 && strcmp (atom_name, "GFORTRAN") != 0)
          || (start == 2 && strcmp (atom_name, " module") != 0))
        gfc_fatal_error ("File %qs opened at %C is not a GNU Fortran"
-                        " module file", filename);
+                        " module file", module_fullpath);
       if (start == 3)
        {
          if (strcmp (atom_name, " version") != 0
@@ -7150,7 +7166,7 @@ gfc_use_module (gfc_use_list *module)
              || strcmp (atom_string, MOD_VERSION))
            gfc_fatal_error ("Cannot read module file %qs opened at %C,"
                             " because it was created by a different"
-                            " version of GNU Fortran", filename);
+                            " version of GNU Fortran", module_fullpath);
 
          free (atom_string);
        }