1 files changed, 85 insertions, 0 deletions

diff --git a/scripts/dtc/srcpos.h b/scripts/dtc/srcpos.h
new file mode 100644
index 000000000000..e17c7c04db8e
--- /dev/null
+++ b/scripts/dtc/srcpos.h
@@ -0,0 +1,85 @@
+/*
+ * Copyright 2007 Jon Loeliger, Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
+ *                                                                   USA
+ */
+
+/*
+ * Augment the standard YYLTYPE with a filenum index into an
+ * array of all opened filenames.
+ */
+
+#include <stdio.h>
+
+struct dtc_file {
+        char *dir;
+        const char *name;
+        FILE *file;
+};
+
+#if ! defined(YYLTYPE) && ! defined(YYLTYPE_IS_DECLARED)
+typedef struct YYLTYPE {
+    int first_line;
+    int first_column;
+    int last_line;
+    int last_column;
+    struct dtc_file *file;
+} YYLTYPE;
+
+#define YYLTYPE_IS_DECLARED     1
+#define YYLTYPE_IS_TRIVIAL      1
+#endif
+
+/* Cater to old parser templates. */
+#ifndef YYID
+#define YYID(n) (n)
+#endif
+
+#define YYLLOC_DEFAULT(Current, Rhs, N)                                 \
+    do                                                                  \
+      if (YYID (N))                                                     \
+        {                                                               \
+          (Current).first_line   = YYRHSLOC (Rhs, 1).first_line;        \
+          (Current).first_column = YYRHSLOC (Rhs, 1).first_column;      \
+          (Current).last_line    = YYRHSLOC (Rhs, N).last_line;         \
+          (Current).last_column  = YYRHSLOC (Rhs, N).last_column;       \
+          (Current).file         = YYRHSLOC (Rhs, N).file;              \
+        }                                                               \
+      else                                                              \
+        {                                                               \
+          (Current).first_line   = (Current).last_line   =              \
+            YYRHSLOC (Rhs, 0).last_line;                                \
+          (Current).first_column = (Current).last_column =              \
+            YYRHSLOC (Rhs, 0).last_column;                              \
+          (Current).file         = YYRHSLOC (Rhs, 0).file;              \
+        }                                                               \
+    while (YYID (0))
+
+
+
+extern void yyerror(char const *);
+extern void yyerrorf(char const *, ...) __attribute__((format(printf, 1, 2)));
+
+extern struct dtc_file *srcpos_file;
+
+struct search_path {
+        const char *dir; /* NULL for current directory */
+        struct search_path *prev, *next;
+};
+
+extern struct dtc_file *dtc_open_file(const char *fname,
+                                      const struct search_path *search);
+extern void dtc_close_file(struct dtc_file *file);