1 files changed, 13 insertions, 0 deletions
diff --git a/kernel/rtlil.h b/kernel/rtlil.h
index 8509670ff..4a0f8b4f8 100644
--- a/kernel/rtlil.h
+++ b/kernel/rtlil.h
@@ -276,6 +276,18 @@ namespace RTLIL
 				return std::string(c_str() + pos, len);
 		}
 
+		bool begins_with(const char* prefix) const {
+			size_t len = strlen(prefix);
+			if (size() < len) return false;
+			return substr(0, len) == prefix;
+		}
+
+		bool ends_with(const char* suffix) const {
+			size_t len = strlen(suffix);
+			if (size() < len) return false;
+			return substr(size()-len) == suffix;
+		}
+
 		size_t size() const {
 			return str().size();
 		}
@@ -1028,6 +1040,7 @@ public:
 	// Removing wires is expensive. If you have to remove wires, remove them all at once.
 	void remove(const pool<RTLIL::Wire*> &wires);
 	void remove(RTLIL::Cell *cell);
+	dict<RTLIL::IdString, RTLIL::Cell*>::iterator remove(dict<RTLIL::IdString, RTLIL::Cell*>::iterator it);
 
 	void rename(RTLIL::Wire *wire, RTLIL::IdString new_name);
 	void rename(RTLIL::Cell *cell, RTLIL::IdString new_name);