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Updated GCC patch v2 to ensure visibility to plugins

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York Jasper Niebuhr 2025-10-30 13:15:13 +01:00
parent 156da90260
commit 060d7685c6
1 changed files with 15 additions and 13 deletions
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28
gcc_component_ref_v2.patch
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@ -1,13 +1,13 @@
From 474c2208836a447bb2452a45a0e76453b1d9c56c Mon Sep 17 00:00:00 2001
From 0d2945f8e3c1b89b122fef0ded3973dfae2eb904 Mon Sep 17 00:00:00 2001
From: York Jasper Niebuhr <yjnworkstation@gmail.com>
Date: Thu, 30 Oct 2025 13:04:18 +0100
Date: Thu, 30 Oct 2025 13:12:24 +0100
Subject: [PATCH] c_parse_component_ref callback
---
gcc/c-family/c-common.cc | 48 ++++++++++++++++++++-------
gcc/c-family/c-common.cc | 48 +++++++++++++++++++++------
gcc/c-family/c-common.h | 3 +-
gcc/c/c-parser.cc | 70 +++++++++++++++++++++++++++++++++++++++-
3 files changed, 108 insertions(+), 13 deletions(-)
gcc/c/c-parser.cc | 72 +++++++++++++++++++++++++++++++++++++++-
3 files changed, 110 insertions(+), 13 deletions(-)
diff --git a/gcc/c-family/c-common.cc b/gcc/c-family/c-common.cc
index 587d76461e9..d34edfaa688 100644
@ -135,10 +135,10 @@ index ea6c2975056..70fcfeb6661 100644
extern int complete_array_type (tree *, tree, bool);
extern void complete_flexible_array_elts (tree);
diff --git a/gcc/c/c-parser.cc b/gcc/c/c-parser.cc
index 22ec0f849b7..5410b9dc003 100644
index 22ec0f849b7..08cf0d9839b 100644
--- a/gcc/c/c-parser.cc
+++ b/gcc/c/c-parser.cc
@@ -11354,6 +11354,62 @@ get_counted_by_ref (tree array_ref)
@@ -11354,6 +11354,64 @@ get_counted_by_ref (tree array_ref)
return NULL_TREE;
}
@ -151,7 +151,8 @@ index 22ec0f849b7..5410b9dc003 100644
+ the expression unchanged.
+
+ This callback is intended for plugins that wish to observe or transform
+ member-access expressions (such as 'a.b' or 'a->b') or at parse time. */
+ member-access expressions (such as 'a.b' or 'a->b') or offsetof expressions
+ at parse time. */
+using c_parse_component_ref_cb_t = tree (*)(tree ref);
+
+/* Plugin-registered callback for COMPONENT_REF parse notifications.
@ -162,6 +163,7 @@ index 22ec0f849b7..5410b9dc003 100644
+
+ Only a single callback is supported; registering a new one replaces
+ any previously registered callback. */
+__attribute__ ((visibility ("default")))
+void
+register_c_parse_component_ref_cb (c_parse_component_ref_cb_t cb)
+{
@ -201,7 +203,7 @@ index 22ec0f849b7..5410b9dc003 100644
/* Parse a postfix expression (C90 6.3.1-6.3.2, C99 6.5.1-6.5.2,
C11 6.5.1-6.5.2). Compound literals aren't handled here; callers have to
call c_parser_postfix_expression_after_paren_type on encountering them.
@@ -11766,6 +11822,9 @@ c_parser_postfix_expression (c_parser *parser)
@@ -11766,6 +11824,9 @@ c_parser_postfix_expression (c_parser *parser)
= build_component_ref (loc, offsetof_ref, comp_tok->value,
comp_tok->location, UNKNOWN_LOCATION,
false);
@ -211,7 +213,7 @@ index 22ec0f849b7..5410b9dc003 100644
c_parser_consume_token (parser);
while (c_parser_next_token_is (parser, CPP_DOT)
|| c_parser_next_token_is (parser,
@@ -11800,6 +11859,9 @@ c_parser_postfix_expression (c_parser *parser)
@@ -11800,6 +11861,9 @@ c_parser_postfix_expression (c_parser *parser)
comp_tok->location,
UNKNOWN_LOCATION,
false);
@ -221,7 +223,7 @@ index 22ec0f849b7..5410b9dc003 100644
c_parser_consume_token (parser);
}
else
@@ -11823,7 +11885,7 @@ c_parser_postfix_expression (c_parser *parser)
@@ -11823,7 +11887,7 @@ c_parser_postfix_expression (c_parser *parser)
location_t end_loc = c_parser_peek_token (parser)->get_finish ();
c_parser_skip_until_found (parser, CPP_CLOSE_PAREN,
"expected %<)%>");
@ -230,7 +232,7 @@ index 22ec0f849b7..5410b9dc003 100644
set_c_expr_source_range (&expr, loc, end_loc);
}
break;
@@ -13771,6 +13833,9 @@ c_parser_postfix_expression_after_primary (c_parser *parser,
@@ -13771,6 +13835,9 @@ c_parser_postfix_expression_after_primary (c_parser *parser,
c_parser_consume_token (parser);
expr.value = build_component_ref (op_loc, expr.value, ident,
comp_loc, UNKNOWN_LOCATION);
@ -240,7 +242,7 @@ index 22ec0f849b7..5410b9dc003 100644
set_c_expr_source_range (&expr, start, finish);
expr.original_code = ERROR_MARK;
if (TREE_CODE (expr.value) != COMPONENT_REF)
@@ -13813,6 +13878,9 @@ c_parser_postfix_expression_after_primary (c_parser *parser,
@@ -13813,6 +13880,9 @@ c_parser_postfix_expression_after_primary (c_parser *parser,
RO_ARROW),
ident, comp_loc,
expr.get_location ());