Move some declarations to source.h

I noticed a few declarations in defs.h that really could be put into
source.h.  I think it's generally preferable to something out of
defs.h unless it is needed by most of the files in gdb.

gdb/ChangeLog
2018-02-14  Tom Tromey  <tom@tromey.com>

	* solib.c: Include source.h.
	* nto-tdep.c: Include source.h.
	* mi/mi-cmd-env.c: Include source.h.
	* infcmd.c: Include source.h.
	* exec.c: Include source.h.
	* defs.h (enum openp_flag, openp, source_full_path_of, mod_path)
	(add_path, directory_switch, source_path, init_source_path): Move
	declarations...
	* source.h (enum openp_flag, openp, source_full_path_of, mod_path)
	(add_path, directory_switch, source_path, init_source_path):
	...here.

1 files changed, 25 insertions, 0 deletions

diff --git a/gdb/source.h b/gdb/source.h
index 77fd4cd..a21e919 100644
--- a/gdb/source.h
+++ b/gdb/source.h
@@ -21,6 +21,31 @@
 
 struct symtab;
 
+/* See openp function definition for their description.  */
+
+enum openp_flag
+{
+  OPF_TRY_CWD_FIRST = 0x01,
+  OPF_SEARCH_IN_PATH = 0x02,
+  OPF_RETURN_REALPATH = 0x04,
+};
+
+DEF_ENUM_FLAGS_TYPE(openp_flag, openp_flags);
+
+extern int openp (const char *, openp_flags, const char *, int, char **);
+
+extern int source_full_path_of (const char *, char **);
+
+extern void mod_path (const char *, char **);
+
+extern void add_path (const char *, char **, int);
+
+extern void directory_switch (const char *, int);
+
+extern char *source_path;
+
+extern void init_source_path (void);
+
 /* This function is capable of finding the absolute path to a
    source file, and opening it, provided you give it a FILENAME.  Both the
    DIRNAME and FULLNAME are only added suggestions on where to find the file.