Add qemu 2.4.0

[kvmfornfv.git] / qemu / dtc / srcpos.h

diff --git a/qemu/dtc/srcpos.h b/qemu/dtc/srcpos.h
new file mode 100644 (file)
index 0000000..93a2712
--- /dev/null
+++ b/qemu/dtc/srcpos.h
@@ -0,0 +1,118 @@
+/*
+ * 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
+ */
+
+#ifndef _SRCPOS_H_
+#define _SRCPOS_H_
+
+#include <stdio.h>
+
+struct srcfile_state {
+       FILE *f;
+       char *name;
+       char *dir;
+       int lineno, colno;
+       struct srcfile_state *prev;
+};
+
+extern FILE *depfile; /* = NULL */
+extern struct srcfile_state *current_srcfile; /* = NULL */
+
+/**
+ * Open a source file.
+ *
+ * If the source file is a relative pathname, then it is searched for in the
+ * current directory (the directory of the last source file read) and after
+ * that in the search path.
+ *
+ * We work through the search path in order from the first path specified to
+ * the last.
+ *
+ * If the file is not found, then this function does not return, but calls
+ * die().
+ *
+ * @param fname                Filename to search
+ * @param fullnamep    If non-NULL, it is set to the allocated filename of the
+ *                     file that was opened. The caller is then responsible
+ *                     for freeing the pointer.
+ * @return pointer to opened FILE
+ */
+FILE *srcfile_relative_open(const char *fname, char **fullnamep);
+
+void srcfile_push(const char *fname);
+int srcfile_pop(void);
+
+/**
+ * Add a new directory to the search path for input files
+ *
+ * The new path is added at the end of the list.
+ *
+ * @param dirname      Directory to add
+ */
+void srcfile_add_search_path(const char *dirname);
+
+struct srcpos {
+    int first_line;
+    int first_column;
+    int last_line;
+    int last_column;
+    struct srcfile_state *file;
+};
+
+#define YYLTYPE struct srcpos
+
+#define YYLLOC_DEFAULT(Current, Rhs, N)                                                \
+       do {                                                                    \
+               if (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 (0)
+
+
+/*
+ * Fictional source position used for IR nodes that are
+ * created without otherwise knowing a true source position.
+ * For example,constant definitions from the command line.
+ */
+extern struct srcpos srcpos_empty;
+
+extern void srcpos_update(struct srcpos *pos, const char *text, int len);
+extern struct srcpos *srcpos_copy(struct srcpos *pos);
+extern char *srcpos_string(struct srcpos *pos);
+extern void srcpos_dump(struct srcpos *pos);
+
+extern void srcpos_verror(struct srcpos *pos, char const *, va_list va)
+     __attribute__((format(printf, 2, 0)));
+extern void srcpos_error(struct srcpos *pos, char const *, ...)
+     __attribute__((format(printf, 2, 3)));
+extern void srcpos_warn(struct srcpos *pos, char const *, ...)
+     __attribute__((format(printf, 2, 3)));
+
+extern void srcpos_set_line(char *f, int l);
+
+#endif /* _SRCPOS_H_ */