Introduce namespace `langutil` in liblangutil directory.

Also:
- Use {}-style list initialisation for SourceLocation construction
- Introduce new system includes
- Changes the API of the Scanner to take source as value (with move) as opposed to as a reference

1 files changed, 36 insertions, 0 deletions

diff --git a/libsolidity/parsing/Token.h b/libsolidity/parsing/Token.h
new file mode 100644
index 00000000..d61aefb6
--- /dev/null
+++ b/libsolidity/parsing/Token.h
@@ -0,0 +1,36 @@
+/*
+    This file is part of solidity.
+
+    solidity is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    solidity is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with solidity.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/**
+ * Solidity and Yul both share the same Token (and Scanner) API.
+ *
+ * This may (or may not) change in the future. But for the time being, we've put both
+ * at a shared place, and *just* import them.
+*/
+#pragma once
+
+#include <liblangutil/Token.h>
+
+namespace dev
+{
+namespace solidity
+{
+namespace TokenTraits = ::langutil::TokenTraits;
+
+using ::langutil::Token;
+using ::langutil::ElementaryTypeNameToken;
+}
+}