Organize source into compiler and runtime dirs

src/compiler/rules/string.cpp

@@ -0,0 +1,31 @@
+#include "string.h"
+#include "transition_map.h"
+#include "char.h"
+#include "seq.h"
+
+namespace tree_sitter  {
+    namespace rules {
+        String::String(std::string value) : value(value) {};
+        
+        string_ptr str(const std::string &value) {
+            return std::make_shared<String>(value);
+        }
+
+        TransitionMap<Rule> String::transitions() const {
+            rule_ptr result = character(value[0]);
+            for (int i = 1; i < value.length(); i++)
+                result = seq({ result, character(value[i]) });
+            return result->transitions();
+        }
+        
+        bool String::operator==(const Rule &rule) const {
+            const String *other = dynamic_cast<const String *>(&rule);
+            return (other != NULL) && (other->value == value);
+        }
+                
+        std::string String::to_string() const {
+            return std::string("(string '") + value + "')";
+        }        
+
+    }
+}