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authorjakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>2017-10-17 20:11:00 +0000
committerjakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>2017-10-17 20:11:00 +0000
commit1bc58db402e181baa040122ae1ca60d85050ad88 (patch)
tree288005a9e12bb983c162c9ab78066db8227ce818 /gcc/ada
parentbd014deccb52438e7599d7f21dfb004d301d62a6 (diff)
downloadgcc-1bc58db402e181baa040122ae1ca60d85050ad88.tar.gz
* langhooks.h (struct lang_hooks): Document that tree_size langhook
may be also called on tcc_type nodes. * langhooks.c (lhd_tree_size): Likewise. * gcc-interface/misc.c (gnat_tree_size): New function. (LANG_HOOKS_TREE_SIZE): Redefine. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@253829 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/ada')
-rw-r--r--gcc/ada/ChangeLog5
-rw-r--r--gcc/ada/gcc-interface/misc.c19
2 files changed, 24 insertions, 0 deletions
diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog
index 7708c5865e7..7d50dbba1ec 100644
--- a/gcc/ada/ChangeLog
+++ b/gcc/ada/ChangeLog
@@ -1,3 +1,8 @@
+2017-10-17 Jakub Jelinek <jakub@redhat.com>
+
+ * gcc-interface/misc.c (gnat_tree_size): New function.
+ (LANG_HOOKS_TREE_SIZE): Redefine.
+
2017-10-14 Hristian Kirtchev <kirtchev@adacore.com>
* sem_elab.adb (In_Preelaborated_Context): A generic package subject to
diff --git a/gcc/ada/gcc-interface/misc.c b/gcc/ada/gcc-interface/misc.c
index 081a63ab0d0..5083c71db77 100644
--- a/gcc/ada/gcc-interface/misc.c
+++ b/gcc/ada/gcc-interface/misc.c
@@ -343,6 +343,23 @@ internal_error_function (diagnostic_context *context, const char *msgid,
Compiler_Abort (sp, sp_loc, true);
}
+/* lang_hooks.tree_size: Determine the size of a tree with code C,
+ which is a language-specific tree code in category tcc_constant,
+ tcc_exceptional or tcc_type. The default expects never to be called. */
+
+static size_t
+gnat_tree_size (enum tree_code code)
+{
+ gcc_checking_assert (code >= NUM_TREE_CODES);
+ switch (code)
+ {
+ case UNCONSTRAINED_ARRAY_TYPE:
+ return sizeof (tree_type_non_common);
+ default:
+ gcc_unreachable ();
+ }
+}
+
/* Perform all the initialization steps that are language-specific. */
static bool
@@ -1387,6 +1404,8 @@ get_lang_specific (tree node)
#define LANG_HOOKS_NAME "GNU Ada"
#undef LANG_HOOKS_IDENTIFIER_SIZE
#define LANG_HOOKS_IDENTIFIER_SIZE sizeof (struct tree_identifier)
+#undef LANG_HOOKS_TREE_SIZE
+#define LANG_HOOKS_TREE_SIZE gnat_tree_size
#undef LANG_HOOKS_INIT
#define LANG_HOOKS_INIT gnat_init
#undef LANG_HOOKS_OPTION_LANG_MASK