Implement support for tokenization of preprocessed C/C++ source

1 files changed, 66 insertions, 0 deletions

diff --git a/unit-tests/cc/lexer/driver.cxx b/unit-tests/cc/lexer/driver.cxx
new file mode 100644
index 0000000..db3f516
--- /dev/null
+++ b/unit-tests/cc/lexer/driver.cxx
@@ -0,0 +1,66 @@
+// file      : unit-tests/cc/lexer/driver.cxx -*- C++ -*-
+// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#include <cassert>
+#include <iostream>
+
+#include <build2/types.hxx>
+#include <build2/utility.hxx>
+
+#include <build2/cc/lexer.hxx>
+
+using namespace std;
+
+namespace build2
+{
+  namespace cc
+  {
+    // Usage: argv[0] [<file>]
+    //
+    int
+    main (int argc, char* argv[])
+    {
+      try
+      {
+        istream* is;
+        const char* in;
+
+        // Reading from file is several times faster.
+        //
+        ifdstream ifs;
+        if (argc > 1)
+        {
+          in = argv[1];
+          ifs.open (in);
+          is = &ifs;
+        }
+        else
+        {
+          in = "stdin";
+          cin.exceptions (istream::failbit | istream::badbit);
+          is = &cin;
+        }
+
+        lexer l (*is, path (in));
+
+        // No use printing eos since we will either get it or loop forever.
+        //
+        for (token t; l.next (t) != token_type::eos; )
+          cout << t << endl;
+      }
+      catch (const failed&)
+      {
+        return 1;
+      }
+
+      return 0;
+    }
+  }
+}
+
+int
+main (int argc, char* argv[])
+{
+  return build2::cc::main (argc, argv);
+}