From 7b04b179fb7831087474d9cba104fa6076e31c47 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 27 Mar 2020 16:46:35 +0200
Subject: Regenerate options parsing code

---
 cli/options.hxx | 25 ++++++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)

(limited to 'cli/options.hxx')

diff --git a/cli/options.hxx b/cli/options.hxx
index a865148..6533432 100644
--- a/cli/options.hxx
+++ b/cli/options.hxx
@@ -12,6 +12,7 @@
 //
 // End prologue.
 
+#include <list>
 #include <deque>
 #include <iosfwd>
 #include <string>
@@ -339,6 +340,19 @@ namespace cli
     virtual void
     skip ();
 
+    // Return the file path if the peeked at argument came from a file and
+    // the empty string otherwise. The reference is guaranteed to be valid
+    // till the end of the scanner lifetime.
+    //
+    const std::string&
+    peek_file ();
+
+    // Return the 1-based line number if the peeked at argument came from
+    // a file and zero otherwise.
+    //
+    std::size_t
+    peek_line ();
+
     private:
     const option_info*
     find (const char*) const;
@@ -353,7 +367,15 @@ namespace cli
     const option_info* options_;
     std::size_t options_count_;
 
-    std::deque<std::string> args_;
+    struct arg
+    {
+      std::string value;
+      const std::string* file;
+      std::size_t line;
+    };
+
+    std::deque<arg> args_;
+    std::list<std::string> files_;
 
     // Circular buffer of two arguments.
     //
@@ -363,6 +385,7 @@ namespace cli
     bool skip_;
 
     static int zero_argc_;
+    static std::string empty_string_;
   };
 
   template <typename X>
-- 
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