add antlr

lib/antlr4/include/support/Arrays.h

@@ -0,0 +1,110 @@
+/* Copyright (c) 2012-2017 The ANTLR Project. All rights reserved.
+ * Use of this file is governed by the BSD 3-clause license that
+ * can be found in the LICENSE.txt file in the project root.
+ */
+
+#pragma once
+
+#include "antlr4-common.h"
+
+namespace antlrcpp {
+
+  class ANTLR4CPP_PUBLIC Arrays {
+  public:
+
+    static std::string listToString(const std::vector<std::string> &list, const std::string &separator);
+
+    template <typename T>
+    static bool equals(const std::vector<T> &a, const std::vector<T> &b) {
+      if (a.size() != b.size())
+        return false;
+
+      for (size_t i = 0; i < a.size(); ++i)
+        if (!(a[i] == b[i]))
+          return false;
+
+      return true;
+    }
+
+    template <typename T>
+    static bool equals(const std::vector<T *> &a, const std::vector<T *> &b) {
+      if (a.size() != b.size())
+        return false;
+
+      for (size_t i = 0; i < a.size(); ++i) {
+        if (a[i] == b[i])
+          continue;
+        if (!(*a[i] == *b[i]))
+          return false;
+      }
+
+      return true;
+    }
+
+    template <typename T>
+    static bool equals(const std::vector<Ref<T>> &a, const std::vector<Ref<T>> &b) {
+      if (a.size() != b.size())
+        return false;
+
+      for (size_t i = 0; i < a.size(); ++i) {
+        if (!a[i] && !b[i])
+          continue;
+        if (!a[i] || !b[i])
+          return false;
+        if (a[i] == b[i])
+          continue;
+
+        if (!(*a[i] == *b[i]))
+          return false;
+      }
+
+      return true;
+    }
+
+    template <typename T>
+    static std::string toString(const std::vector<T> &source) {
+      std::string result = "[";
+      bool firstEntry = true;
+      for (auto &value : source) {
+        result += value.toString();
+        if (firstEntry) {
+          result += ", ";
+          firstEntry = false;
+        }
+      }
+      return result + "]";
+    }
+
+    template <typename T>
+    static std::string toString(const std::vector<Ref<T>> &source) {
+      std::string result = "[";
+      bool firstEntry = true;
+      for (auto &value : source) {
+        result += value->toString();
+        if (firstEntry) {
+          result += ", ";
+          firstEntry = false;
+        }
+      }
+      return result + "]";
+    }
+
+    template <typename T>
+    static std::string toString(const std::vector<T *> &source) {
+      std::string result = "[";
+      bool firstEntry = true;
+      for (auto value : source) {
+        result += value->toString();
+        if (firstEntry) {
+          result += ", ";
+          firstEntry = false;
+        }
+      }
+      return result + "]";
+    }
+
+  };
+
+  template <>
+  std::string Arrays::toString(const std::vector<antlr4::tree::ParseTree *> &source);
+}