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-rw-r--r--gcc/cppinit.c46
1 files changed, 10 insertions, 36 deletions
diff --git a/gcc/cppinit.c b/gcc/cppinit.c
index d6509fd..0fc9c68 100644
--- a/gcc/cppinit.c
+++ b/gcc/cppinit.c
@@ -453,9 +453,10 @@ cpp_post_options (cpp_reader *pfile)
}
/* Setup for processing input from the file named FNAME, or stdin if
- it is the empty string. Returns true if the file was found. */
-bool
-cpp_find_main_file (cpp_reader *pfile, const char *fname)
+ it is the empty string. Return the original filename
+ on success (e.g. foo.i->foo.c), or NULL on failure. */
+const char *
+cpp_read_main_file (cpp_reader *pfile, const char *fname)
{
if (CPP_OPTION (pfile, deps.style) != DEPS_NONE)
{
@@ -471,37 +472,16 @@ cpp_find_main_file (cpp_reader *pfile, const char *fname)
if (_cpp_find_failed (pfile->main_file))
return false;
- if (CPP_OPTION (pfile, working_directory))
- {
- const char *dir = getpwd ();
- char *dir_with_slashes = alloca (strlen (dir) + 3);
-
- memcpy (dir_with_slashes, dir, strlen (dir));
- memcpy (dir_with_slashes + strlen (dir), "//", 3);
-
- if (pfile->cb.dir_change)
- pfile->cb.dir_change (pfile, dir);
- }
- return true;
-}
-
-/* This function reads the file, but does not start preprocessing.
- This will generate at least one file change callback, and possibly
- a line change callback. */
-void
-cpp_push_main_file (cpp_reader *pfile)
-{
_cpp_stack_file (pfile, pfile->main_file, false);
/* For foo.i, read the original filename foo.c now, for the benefit
of the front ends. */
if (CPP_OPTION (pfile, preprocessed))
- read_original_filename (pfile);
-
- /* Set this here so the client can change the option if it wishes,
- and after stacking the main file so we don't trace the main
- file. */
- pfile->line_table->trace_includes = CPP_OPTION (pfile, print_include_names);
+ {
+ read_original_filename (pfile);
+ fname = pfile->map->to_file;
+ }
+ return fname;
}
/* For preprocessed files, if the first tokens are of the form # NUM.
@@ -579,13 +559,7 @@ read_original_directory (cpp_reader *pfile)
debugdir[token->val.str.len - 4] = '\0';
pfile->cb.dir_change (pfile, debugdir);
- }
-
- /* We want to process the fake line changes as regular changes, to
- get them output. */
- _cpp_backup_tokens (pfile, 3);
-
- CPP_OPTION (pfile, working_directory) = false;
+ }
}
/* This is called at the end of preprocessing. It pops the last