From 57b10c06925d0bdf6ffb38488ee908f085109e95 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Thu, 4 Jul 2019 19:12:15 +0300
Subject: Move config, dist, test, and install modules into library

---
 libbuild2/test/script/lexer.test.cxx | 85 ++++++++++++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 libbuild2/test/script/lexer.test.cxx

(limited to 'libbuild2/test/script/lexer.test.cxx')

diff --git a/libbuild2/test/script/lexer.test.cxx b/libbuild2/test/script/lexer.test.cxx
new file mode 100644
index 0000000..5a421b8
--- /dev/null
+++ b/libbuild2/test/script/lexer.test.cxx
@@ -0,0 +1,85 @@
+// file      : libbuild2/test/script/lexer.test.cxx -*- C++ -*-
+// copyright : Copyright (c) 2014-2019 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#include <cassert>
+#include <iostream>
+
+#include <libbuild2/types.hxx>
+#include <libbuild2/utility.hxx>
+
+#include <libbuild2/test/script/token.hxx>
+#include <libbuild2/test/script/lexer.hxx>
+
+using namespace std;
+
+namespace build2
+{
+  namespace test
+  {
+    namespace script
+    {
+      // Usage: argv[0] <lexer-mode>
+      //
+      int
+      main (int argc, char* argv[])
+      {
+        lexer_mode m;
+        {
+          assert (argc == 2);
+          string s (argv[1]);
+
+          if      (s == "command-line")      m = lexer_mode::command_line;
+          else if (s == "first-token")       m = lexer_mode::first_token;
+          else if (s == "second-token")      m = lexer_mode::second_token;
+          else if (s == "variable-line")     m = lexer_mode::variable_line;
+          else if (s == "command-expansion") m = lexer_mode::command_expansion;
+          else if (s == "here-line-single")  m = lexer_mode::here_line_single;
+          else if (s == "here-line-double")  m = lexer_mode::here_line_double;
+          else if (s == "description-line")  m = lexer_mode::description_line;
+          else if (s == "variable")          m = lexer_mode::variable;
+          else                               assert (false);
+        }
+
+        try
+        {
+          cin.exceptions (istream::failbit | istream::badbit);
+
+          // Some modes auto-expire so we need something underneath.
+          //
+          bool u (m == lexer_mode::first_token      ||
+                  m == lexer_mode::second_token     ||
+                  m == lexer_mode::variable_line    ||
+                  m == lexer_mode::description_line ||
+                  m == lexer_mode::variable);
+
+          lexer l (cin, path ("stdin"), u ? lexer_mode::command_line : m);
+          if (u)
+            l.mode (m);
+
+          // No use printing eos since we will either get it or loop forever.
+          //
+          for (token t (l.next ()); t.type != token_type::eos; t = l.next ())
+          {
+            // Print each token on a separate line without quoting operators.
+            //
+            t.printer (cout, t, false);
+            cout << endl;
+          }
+        }
+        catch (const failed&)
+        {
+          return 1;
+        }
+
+        return 0;
+      }
+    }
+  }
+}
+
+int
+main (int argc, char* argv[])
+{
+  return build2::test::script::main (argc, argv);
+}
-- 
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