[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/os/linux/linux-3.4.x/scripts/dtc/srcpos.c b/ap/os/linux/linux-3.4.x/scripts/dtc/srcpos.c
new file mode 100644
index 0000000..36a38e9
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/scripts/dtc/srcpos.c
@@ -0,0 +1,252 @@
+/*
+ * 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
+ */
+
+#define _GNU_SOURCE
+
+#include <stdio.h>
+
+#include "dtc.h"
+#include "srcpos.h"
+
+
+static char *dirname(const char *path)
+{
+ const char *slash = strrchr(path, '/');
+
+ if (slash) {
+ int len = slash - path;
+ char *dir = xmalloc(len + 1);
+
+ memcpy(dir, path, len);
+ dir[len] = '\0';
+ return dir;
+ }
+ return NULL;
+}
+
+FILE *depfile; /* = NULL */
+struct srcfile_state *current_srcfile; /* = NULL */
+
+/* Detect infinite include recursion. */
+#define MAX_SRCFILE_DEPTH (100)
+static int srcfile_depth; /* = 0 */
+
+FILE *srcfile_relative_open(const char *fname, char **fullnamep)
+{
+ FILE *f;
+ char *fullname;
+
+ if (streq(fname, "-")) {
+ f = stdin;
+ fullname = xstrdup("<stdin>");
+ } else {
+ if (!current_srcfile || !current_srcfile->dir
+ || (fname[0] == '/'))
+ fullname = xstrdup(fname);
+ else
+ fullname = join_path(current_srcfile->dir, fname);
+
+ f = fopen(fullname, "r");
+ if (!f)
+ die("Couldn't open \"%s\": %s\n", fname,
+ strerror(errno));
+ }
+
+ if (depfile)
+ fprintf(depfile, " %s", fullname);
+
+ if (fullnamep)
+ *fullnamep = fullname;
+ else
+ free(fullname);
+
+ return f;
+}
+
+void srcfile_push(const char *fname)
+{
+ struct srcfile_state *srcfile;
+
+ if (srcfile_depth++ >= MAX_SRCFILE_DEPTH)
+ die("Includes nested too deeply");
+
+ srcfile = xmalloc(sizeof(*srcfile));
+
+ srcfile->f = srcfile_relative_open(fname, &srcfile->name);
+ srcfile->dir = dirname(srcfile->name);
+ srcfile->prev = current_srcfile;
+
+ srcfile->lineno = 1;
+ srcfile->colno = 1;
+
+ current_srcfile = srcfile;
+}
+
+int srcfile_pop(void)
+{
+ struct srcfile_state *srcfile = current_srcfile;
+
+ assert(srcfile);
+
+ current_srcfile = srcfile->prev;
+
+ if (fclose(srcfile->f))
+ die("Error closing \"%s\": %s\n", srcfile->name,
+ strerror(errno));
+
+ /* FIXME: We allow the srcfile_state structure to leak,
+ * because it could still be referenced from a location
+ * variable being carried through the parser somewhere. To
+ * fix this we could either allocate all the files from a
+ * table, or use a pool allocator. */
+
+ return current_srcfile ? 1 : 0;
+}
+
+/*
+ * The empty source position.
+ */
+
+struct srcpos srcpos_empty = {
+ .first_line = 0,
+ .first_column = 0,
+ .last_line = 0,
+ .last_column = 0,
+ .file = NULL,
+};
+
+#define TAB_SIZE 8
+
+void srcpos_update(struct srcpos *pos, const char *text, int len)
+{
+ int i;
+
+ pos->file = current_srcfile;
+
+ pos->first_line = current_srcfile->lineno;
+ pos->first_column = current_srcfile->colno;
+
+ for (i = 0; i < len; i++)
+ if (text[i] == '\n') {
+ current_srcfile->lineno++;
+ current_srcfile->colno = 1;
+ } else if (text[i] == '\t') {
+ current_srcfile->colno =
+ ALIGN(current_srcfile->colno, TAB_SIZE);
+ } else {
+ current_srcfile->colno++;
+ }
+
+ pos->last_line = current_srcfile->lineno;
+ pos->last_column = current_srcfile->colno;
+}
+
+struct srcpos *
+srcpos_copy(struct srcpos *pos)
+{
+ struct srcpos *pos_new;
+
+ pos_new = xmalloc(sizeof(struct srcpos));
+ memcpy(pos_new, pos, sizeof(struct srcpos));
+
+ return pos_new;
+}
+
+
+
+void
+srcpos_dump(struct srcpos *pos)
+{
+ printf("file : \"%s\"\n",
+ pos->file ? (char *) pos->file : "<no file>");
+ printf("first_line : %d\n", pos->first_line);
+ printf("first_column: %d\n", pos->first_column);
+ printf("last_line : %d\n", pos->last_line);
+ printf("last_column : %d\n", pos->last_column);
+ printf("file : %s\n", pos->file->name);
+}
+
+
+char *
+srcpos_string(struct srcpos *pos)
+{
+ const char *fname = "<no-file>";
+ char *pos_str;
+ int rc;
+
+ if (pos)
+ fname = pos->file->name;
+
+
+ if (pos->first_line != pos->last_line)
+ rc = asprintf(&pos_str, "%s:%d.%d-%d.%d", fname,
+ pos->first_line, pos->first_column,
+ pos->last_line, pos->last_column);
+ else if (pos->first_column != pos->last_column)
+ rc = asprintf(&pos_str, "%s:%d.%d-%d", fname,
+ pos->first_line, pos->first_column,
+ pos->last_column);
+ else
+ rc = asprintf(&pos_str, "%s:%d.%d", fname,
+ pos->first_line, pos->first_column);
+
+ if (rc == -1)
+ die("Couldn't allocate in srcpos string");
+
+ return pos_str;
+}
+
+void
+srcpos_verror(struct srcpos *pos, char const *fmt, va_list va)
+{
+ const char *srcstr;
+
+ srcstr = srcpos_string(pos);
+
+ fprintf(stdout, "Error: %s ", srcstr);
+ vfprintf(stdout, fmt, va);
+ fprintf(stdout, "\n");
+}
+
+void
+srcpos_error(struct srcpos *pos, char const *fmt, ...)
+{
+ va_list va;
+
+ va_start(va, fmt);
+ srcpos_verror(pos, fmt, va);
+ va_end(va);
+}
+
+
+void
+srcpos_warn(struct srcpos *pos, char const *fmt, ...)
+{
+ const char *srcstr;
+ va_list va;
+ va_start(va, fmt);
+
+ srcstr = srcpos_string(pos);
+
+ fprintf(stderr, "Warning: %s ", srcstr);
+ vfprintf(stderr, fmt, va);
+ fprintf(stderr, "\n");
+
+ va_end(va);
+}