Add the tiniest shell of a flex/bison-based parser.
It doesn't really *do* anything yet---merlely parsing a stream of
whitespace-separated tokens, (and not interpreting them at all).
diff --git a/glcpp-parse.y b/glcpp-parse.y
new file mode 100644
index 0000000..739b293
--- /dev/null
+++ b/glcpp-parse.y
@@ -0,0 +1,57 @@
+%{
+/*
+ * Copyright © 2010 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#define YYSTYPE int
+
+void
+yyerror (const char *error);
+
+%}
+
+%token TOKEN
+
+%%
+
+input: /* empty */
+ | tokens
+;
+
+
+tokens: token
+ | tokens token
+;
+
+token: TOKEN
+;
+
+%%
+
+void
+yyerror (const char *error)
+{
+ fprintf (stderr, "Parse error: %s\n", error);
+}