* [pushed] c++: add fixup to missing .template warning
@ 2022-07-01 14:53 Jason Merrill
0 siblings, 0 replies; only message in thread
From: Jason Merrill @ 2022-07-01 14:53 UTC (permalink / raw)
To: gcc-patches
I experimented with giving this diagnostic in another place, which didn't
work out, but we can still benefit from adding the fixup.
Tested x86_64-pc-linux-gnu, applying to trunk.
gcc/cp/ChangeLog:
* parser.cc (missing_template_diag): Split out...
(cp_parser_id_expression): ...from here.
---
gcc/cp/parser.cc | 21 ++++++++++++++++++---
1 file changed, 18 insertions(+), 3 deletions(-)
diff --git a/gcc/cp/parser.cc b/gcc/cp/parser.cc
index 357fde557c7..f6bc8db8581 100644
--- a/gcc/cp/parser.cc
+++ b/gcc/cp/parser.cc
@@ -6093,6 +6093,23 @@ cp_parser_primary_expression (cp_parser *parser,
/*decltype*/false, idk);
}
+/* Complain about missing template keyword when naming a dependent
+ member template. */
+
+static void
+missing_template_diag (location_t loc, diagnostic_t diag_kind = DK_WARNING)
+{
+ if (warning_suppressed_at (loc, OPT_Wmissing_template_keyword))
+ return;
+
+ gcc_rich_location richloc (loc);
+ richloc.add_fixit_insert_before ("template");
+ emit_diagnostic (diag_kind, &richloc, OPT_Wmissing_template_keyword,
+ "expected %qs keyword before dependent "
+ "template name", "template");
+ suppress_warning_at (loc, OPT_Wmissing_template_keyword);
+}
+
/* Parse an id-expression.
id-expression:
@@ -6268,9 +6285,7 @@ cp_parser_id_expression (cp_parser *parser,
operator. */
&& (cp_lexer_peek_token (parser->lexer)->type
<= CPP_LAST_PUNCTUATOR))
- warning_at (token->location, OPT_Wmissing_template_keyword,
- "expected %qs keyword before dependent "
- "template name", "template");
+ missing_template_diag (token->location);
}
return id;
base-commit: 07ac550393d00fcadcee21b44abee6bb30c93949
--
2.27.0
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2022-07-01 14:53 [pushed] c++: add fixup to missing .template warning Jason Merrill
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