Rename source files: .cpp -> .cc

src/compiler/rules/string.cc

@@ -0,0 +1,32 @@
+#include "compiler/rules/string.h"
+#include "compiler/rules/visitor.h"
+
+namespace tree_sitter  {
+    using std::string;
+    using std::hash;
+    
+    namespace rules {
+        String::String(string value) : value(value) {};
+
+        bool String::operator==(const Rule &rule) const {
+            const String *other = dynamic_cast<const String *>(&rule);
+            return other && (other->value == value);
+        }
+
+        size_t String::hash_code() const {
+            return hash<string>()(value);
+        }
+
+        rule_ptr String::copy() const {
+            return std::make_shared<String>(*this);
+        }
+
+        string String::to_string() const {
+            return string("#<string '") + value + "'>";
+        }
+
+        void String::accept(Visitor &visitor) const {
+            visitor.visit(this);
+        }
+    }
+}