From c5db2b9db6c8c707c745c5920a4179e6e6b2772c Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 12 Feb 2016 13:40:27 +0200
Subject: Add support for generating vector<string> scanner
 (--generate-vector-scanner)

---
 cli/runtime-source.cxx | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

(limited to 'cli/runtime-source.cxx')

diff --git a/cli/runtime-source.cxx b/cli/runtime-source.cxx
index 144eace..30f08b0 100644
--- a/cli/runtime-source.cxx
+++ b/cli/runtime-source.cxx
@@ -242,6 +242,47 @@ generate_runtime_source (context& ctx, bool complete)
        << "throw eos_reached ();"
        << "}";
 
+    // vector_scanner
+    //
+    if (ctx.options.generate_vector_scanner ())
+    {
+      os << "// vector_scanner" << endl
+         << "//" << endl
+
+         << "bool vector_scanner::" << endl
+         << "more ()"
+         << "{"
+         << "return i_ < v_.size ();"
+         << "}"
+
+         << "const char* vector_scanner::" << endl
+         << "peek ()"
+         << "{"
+         << "if (i_ < v_.size ())" << endl
+         << "return v_[i_].c_str ();"
+         << "else" << endl
+         << "throw eos_reached ();"
+         << "}"
+
+         << "const char* vector_scanner::" << endl
+         << "next ()"
+         << "{"
+         << "if (i_ < v_.size ())" << endl
+         << "return v_[i_++].c_str ();"
+         << "else" << endl
+         << "throw eos_reached ();"
+         << "}"
+
+         << "void vector_scanner::" << endl
+         << "skip ()"
+         << "{"
+         << "if (i_ < v_.size ())" << endl
+         << "++i_;"
+         << "else" << endl
+         << "throw eos_reached ();"
+         << "}";
+    }
+
     // argv_file_scanner
     //
     if (ctx.options.generate_file_scanner ())
-- 
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