Add support for decimal, octal and binary based cell values.

New syntax d#, b#, o# and h# allow for an explicit prefix
on cell values to specify their base.  Eg: <d# 123>

Signed-off-by: Jon Loeliger <jdl@freescale.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/data.c b/data.c
index 1907a1a..c6c2350 100644
--- a/data.c
+++ b/data.c
@@ -19,6 +19,7 @@
  */
 
 #include "dtc.h"
+#include "dtc-parser.tab.h"
 
 void fixup_free(struct fixup *f)
 {
@@ -224,6 +225,26 @@ struct data data_merge(struct data d1, struct data d2)
 	return d;
 }
 
+/*
+ * Convert a string representation of a numberic cell
+ * in the given base into a cell.
+ */
+cell_t data_convert_cell(char *s, unsigned int base)
+{
+	cell_t c;
+	extern YYLTYPE yylloc;
+
+	c = strtoul(s, NULL, base);
+	if (errno == EINVAL || errno == ERANGE) {
+		fprintf(stderr,
+			"Line %d: Invalid cell value '%s'; %d assumed\n",
+			yylloc.first_line, s, c);
+	}
+
+	return c;
+}
+
+
 struct data data_append_cell(struct data d, cell_t word)
 {
 	cell_t beword = cpu_to_be32(word);