From d4b977d0904a1dea37922dac60d3bb37f9769230 Mon Sep 17 00:00:00 2001
From: David Walter Seikel
Date: Thu, 5 Jan 2012 04:47:56 +1000
Subject: Add a simple flex + btyacc stub.

Will be fleshed out soon with LSL grammer.
---
 LuaSL/src/LuaSL_parser_param.h | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 LuaSL/src/LuaSL_parser_param.h

(limited to 'LuaSL/src/LuaSL_parser_param.h')

diff --git a/LuaSL/src/LuaSL_parser_param.h b/LuaSL/src/LuaSL_parser_param.h
new file mode 100644
index 0000000..944a671
--- /dev/null
+++ b/LuaSL/src/LuaSL_parser_param.h
@@ -0,0 +1,38 @@
+/*
+ * ParserParam.h
+ * Definitions of the parameters for the reentrant functions
+ * of flex (yylex) and bison (yyparse)
+ */
+
+// Since in this sample we use the reentrant version of both flex and yacc we are forced to provide parameters for the yylex function, when called from yyparse.
+ 
+#ifndef __PARSERPARAM_H__
+#define __PARSERPARAM_H__
+ 
+#ifndef YY_NO_UNISTD_H
+#define YY_NO_UNISTD_H 1
+#endif // YY_NO_UNISTD_H
+ 
+#include "LuaSL_type_parser.h"
+#include "LuaSL_lexer.h"
+#include "LuaSL_LSL_tree.h"
+ 
+/**
+ * @brief structure given as argument to the reentrant 'yyparse' function.
+ */
+typedef struct tagSParserParam
+{
+        yyscan_t scanner;
+        SExpression *expression;
+}SParserParam;
+ 
+// the parameter name (of the reentrant 'yyparse' function)
+// data is a pointer to a 'SParserParam' structure
+#define YYPARSE_PARAM data
+ 
+// the argument for the 'yylex' function
+#define YYLEX_PARAM   ((SParserParam*)data)->scanner
+ 
+#endif // __PARSERPARAM_H__
+
+
-- 
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