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2023-12-08 01573e231f18eb2d99162747186f59511f56b64d

 kernel/scripts/dtc/srcpos.h
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@@ -1,20 +1,6 @@
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+/* SPDX-License-Identifier: GPL-2.0-or-later */
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 /*
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  * Copyright 2007 Jon Loeliger, Freescale Semiconductor, Inc.
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public License as
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- * published by the Free Software Foundation; either version 2 of the
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- * License, or (at your option) any later version.
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- *
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- *  This program is distributed in the hope that it will be useful,
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- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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- *  General Public License for more details.
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- *
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- *  You should have received a copy of the GNU General Public License
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- *  along with this program; if not, write to the Free Software
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- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
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- *                                                                   USA
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  */
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 #ifndef SRCPOS_H
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@@ -74,6 +60,7 @@
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     int last_line;
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     int last_column;
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     struct srcfile_state *file;
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+    struct srcpos *next;
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 };
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 #define YYLTYPE struct srcpos
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@@ -93,19 +80,18 @@
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 				YYRHSLOC(Rhs, 0).last_column;			\
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 			(Current).file = YYRHSLOC (Rhs, 0).file;		\
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 		}								\
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+		(Current).next = NULL;						\
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 	} while (0)
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-/*
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- * Fictional source position used for IR nodes that are
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- * created without otherwise knowing a true source position.
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- * For example,constant definitions from the command line.
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- */
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-extern struct srcpos srcpos_empty;
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-
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 extern void srcpos_update(struct srcpos *pos, const char *text, int len);
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 extern struct srcpos *srcpos_copy(struct srcpos *pos);
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+extern struct srcpos *srcpos_extend(struct srcpos *new_srcpos,
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+				    struct srcpos *old_srcpos);
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 extern char *srcpos_string(struct srcpos *pos);
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+extern char *srcpos_string_first(struct srcpos *pos, int level);
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+extern char *srcpos_string_last(struct srcpos *pos, int level);
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+
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 extern void PRINTF(3, 0) srcpos_verror(struct srcpos *pos, const char *prefix,
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 					const char *fmt, va_list va);