1 files changed, 80 insertions, 0 deletions
diff --git a/common/kernel/property.cc b/common/kernel/property.cc
new file mode 100644
index 00000000..6c30436d
--- /dev/null
+++ b/common/kernel/property.cc
@@ -0,0 +1,80 @@
+/*
+ *  nextpnr -- Next Generation Place and Route
+ *
+ *  Copyright (C) 2018  Claire Xenia Wolf <claire@yosyshq.com>
+ *
+ *  Permission to use, copy, modify, and/or distribute this software for any
+ *  purpose with or without fee is hereby granted, provided that the above
+ *  copyright notice and this permission notice appear in all copies.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ *  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ *  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ *  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ *  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ *  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+
+#include "property.h"
+
+#include "nextpnr_namespaces.h"
+
+NEXTPNR_NAMESPACE_BEGIN
+
+Property::Property() : is_string(false), str(""), intval(0) {}
+
+Property::Property(int64_t intval, int width) : is_string(false), intval(intval)
+{
+    str.reserve(width);
+    for (int i = 0; i < width; i++)
+        str.push_back((intval & (1ULL << i)) ? S1 : S0);
+}
+
+Property::Property(const std::string &strval) : is_string(true), str(strval), intval(0xDEADBEEF) {}
+
+Property::Property(State bit) : is_string(false), str(std::string("") + char(bit)), intval(bit == S1) {}
+
+std::string Property::to_string() const
+{
+    if (is_string) {
+        std::string result = str;
+        int state = 0;
+        for (char c : str) {
+            if (state == 0) {
+                if (c == '0' || c == '1' || c == 'x' || c == 'z')
+                    state = 0;
+                else if (c == ' ')
+                    state = 1;
+                else
+                    state = 2;
+            } else if (state == 1 && c != ' ')
+                state = 2;
+        }
+        if (state < 2)
+            result += " ";
+        return result;
+    } else {
+        return std::string(str.rbegin(), str.rend());
+    }
+}
+
+Property Property::from_string(const std::string &s)
+{
+    Property p;
+
+    size_t cursor = s.find_first_not_of("01xz");
+    if (cursor == std::string::npos) {
+        p.str = std::string(s.rbegin(), s.rend());
+        p.is_string = false;
+        p.update_intval();
+    } else if (s.find_first_not_of(' ', cursor) == std::string::npos) {
+        p = Property(s.substr(0, s.size() - 1));
+    } else {
+        p = Property(s);
+    }
+    return p;
+}
+
+NEXTPNR_NAMESPACE_END