Add support for lexing and parsing name pairs

We will need it for the buildspec and also if/when we support map
variable types.

1 files changed, 4 insertions, 0 deletions

diff --git a/build/name b/build/name
index 00f0c00..fc89f44 100644
--- a/build/name
+++ b/build/name
@@ -19,6 +19,9 @@ namespace build
   // without a type and directory can be used to represent any text.
   // A name with directory and empty value represents a directory.
   //
+  // If pair is true, then this name and the next in the list form
+  // a pair.
+  //
   struct name
   {
     explicit
@@ -33,6 +36,7 @@ namespace build
     std::string type;
     path dir;
     std::string value;
+    bool pair {false};
   };
 
   typedef std::vector<name> names;