Eliminate source_location in favor of location_t

Historically GCC used location_t, while libcpp used source_location.

This inconsistency has been annoying me for a while, so this patch
removes source_location in favor of location_t throughout
(as the latter is shorter).

gcc/ChangeLog:
	* builtins.c: Replace "source_location" with "location_t".
	* diagnostic-show-locus.c: Likewise.
	* diagnostic.c: Likewise.
	* dumpfile.c: Likewise.
	* gcc-rich-location.h: Likewise.
	* genmatch.c: Likewise.
	* gimple.h: Likewise.
	* gimplify.c: Likewise.
	* input.c: Likewise.
	* input.h: Likewise.  Eliminate the typedef.
	* omp-expand.c: Likewise.
	* selftest.h: Likewise.
	* substring-locations.h (get_source_location_for_substring):
	Rename to..
	(get_location_within_string): ...this.
	* tree-cfg.c: Replace "source_location" with "location_t".
	* tree-cfgcleanup.c: Likewise.
	* tree-diagnostic.c: Likewise.
	* tree-into-ssa.c: Likewise.
	* tree-outof-ssa.c: Likewise.
	* tree-parloops.c: Likewise.
	* tree-phinodes.c: Likewise.
	* tree-phinodes.h: Likewise.
	* tree-ssa-loop-ivopts.c: Likewise.
	* tree-ssa-loop-manip.c: Likewise.
	* tree-ssa-phiopt.c: Likewise.
	* tree-ssa-phiprop.c: Likewise.
	* tree-ssa-threadupdate.c: Likewise.
	* tree-ssa.c: Likewise.
	* tree-ssa.h: Likewise.
	* tree-vect-loop-manip.c: Likewise.

gcc/c-family/ChangeLog:
	* c-common.c (c_get_substring_location): Update for renaming of
	get_source_location_for_substring to get_location_within_string.
	* c-lex.c: Replace "source_location" with "location_t".
	* c-opts.c: Likewise.
	* c-ppoutput.c: Likewise.

gcc/c/ChangeLog:
	* c-decl.c: Replace "source_location" with "location_t".
	* c-tree.h: Likewise.
	* c-typeck.c: Likewise.
	* gimple-parser.c: Likewise.

gcc/cp/ChangeLog:
	* call.c: Replace "source_location" with "location_t".
	* cp-tree.h: Likewise.
	* cvt.c: Likewise.
	* name-lookup.c: Likewise.
	* parser.c: Likewise.
	* typeck.c: Likewise.

gcc/fortran/ChangeLog:
	* cpp.c: Replace "source_location" with "location_t".
	* gfortran.h: Likewise.

gcc/go/ChangeLog:
	* go-gcc-diagnostics.cc: Replace "source_location" with "location_t".
	* go-gcc.cc: Likewise.
	* go-linemap.cc: Likewise.
	* go-location.h: Likewise.
	* gofrontend/README: Likewise.

gcc/jit/ChangeLog:
	* jit-playback.c: Replace "source_location" with "location_t".

gcc/testsuite/ChangeLog:
	* g++.dg/plugin/comment_plugin.c: Replace "source_location" with
	"location_t".
	* gcc.dg/plugin/diagnostic_plugin_test_show_locus.c: Likewise.

libcc1/ChangeLog:
	* libcc1plugin.cc: Replace "source_location" with "location_t".
	(plugin_context::get_source_location): Rename to...
	(plugin_context::get_location_t): ...this.
	* libcp1plugin.cc: Likewise.

libcpp/ChangeLog:
	* charset.c: Replace "source_location" with "location_t".
	* directives-only.c: Likewise.
	* directives.c: Likewise.
	* errors.c: Likewise.
	* expr.c: Likewise.
	* files.c: Likewise.
	* include/cpplib.h: Likewise.  Rename MAX_SOURCE_LOCATION to
	MAX_LOCATION_T.
	* include/line-map.h: Likewise.
	* init.c: Likewise.
	* internal.h: Likewise.
	* lex.c: Likewise.
	* line-map.c: Likewise.
	* location-example.txt: Likewise.
	* macro.c: Likewise.
	* pch.c: Likewise.
	* traditional.c: Likewise.

From-SVN: r266085

3 files changed, 7 insertions, 3 deletions

diff --git a/gcc/jit/ChangeLog b/gcc/jit/ChangeLog
index 4e0c6e4..8451fd5 100644
--- a/gcc/jit/ChangeLog
+++ b/gcc/jit/ChangeLog
@@ -1,3 +1,7 @@
+2018-11-13  David Malcolm  <dmalcolm@redhat.com>
+
+	* jit-playback.c: Replace "source_location" with "location_t".
+
 2018-10-17  David Malcolm  <dmalcolm@redhat.com>
 
 	* Make-lang.in (selftest-jit): New.
diff --git a/gcc/jit/jit-playback.c b/gcc/jit/jit-playback.c
index f11642b..1bb0fde 100644
--- a/gcc/jit/jit-playback.c
+++ b/gcc/jit/jit-playback.c
@@ -2827,7 +2827,7 @@ handle_locations ()
   FOR_EACH_VEC_ELT (m_cached_locations, i, cached_location)
     {
       tree t = cached_location->first;
-      source_location srcloc = cached_location->second->m_srcloc;
+      location_t srcloc = cached_location->second->m_srcloc;
 
       /* This covers expressions: */
       if (CAN_HAVE_LOCATION_P (t))
@@ -2927,7 +2927,7 @@ new_location (recording::location *rloc,
 /* Deferred setting of the location for a given tree, by adding the
    (tree, playback::location) pair to a list of deferred associations.
    We will actually set the location on the tree later on once
-   the source_location for the playback::location exists.  */
+   the location_t for the playback::location exists.  */
 
 void
 playback::context::
diff --git a/gcc/jit/jit-playback.h b/gcc/jit/jit-playback.h
index a5d34df..2dfb96e 100644
--- a/gcc/jit/jit-playback.h
+++ b/gcc/jit/jit-playback.h
@@ -686,7 +686,7 @@ public:
 
   recording::location *get_recording_loc () const { return m_recording_loc; }
 
-  source_location m_srcloc;
+  location_t m_srcloc;
 
 private:
   recording::location *m_recording_loc;