From 59747ee01e0158f97bdf8c182305e757d90a8d7a Mon Sep 17 00:00:00 2001
From: Jeremy Kerr <jk@ozlabs.org>
Date: Thu, 12 Sep 2013 16:08:18 +0800
Subject: [PATCH] discover/grub2: Add initial script infrastructure

Now that we can parse scripts, we want some infrastructure for
execution.

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
---
 discover/grub2/grub2.h  | 10 +++++++++-
 discover/grub2/parser.y |  2 +-
 discover/grub2/script.c | 12 ++++++++++++
 3 files changed, 22 insertions(+), 2 deletions(-)
 create mode 100644 discover/grub2/script.c

diff --git a/discover/grub2/grub2.h b/discover/grub2/grub2.h
index 0643a72..f3ad2e5 100644
--- a/discover/grub2/grub2.h
+++ b/discover/grub2/grub2.h
@@ -55,9 +55,13 @@ struct grub2_statement_block {
 	struct grub2_statements	*statements;
 };
 
+struct grub2_script {
+	struct grub2_statements	*statements;
+};
+
 struct grub2_parser {
 	void			*scanner;
-	struct grub2_statements	*statements;
+	struct grub2_script	*script;
 };
 
 struct grub2_statements *create_statements(struct grub2_parser *parser);
@@ -88,5 +92,9 @@ void argv_append(struct grub2_argv *argv, struct grub2_word *word);
 
 void word_append(struct grub2_word *w1, struct grub2_word *w2);
 
+/* script interface */
+
+struct grub2_script *create_script(void *ctx);
+
 #endif /* GRUB2_H */
 
diff --git a/discover/grub2/parser.y b/discover/grub2/parser.y
index d57c732..6461801 100644
--- a/discover/grub2/parser.y
+++ b/discover/grub2/parser.y
@@ -56,7 +56,7 @@ static void yyerror(struct grub2_parser *, char const *s);
 %%
 
 script: statements {
-		parser->statements = $1;
+		parser->script->statements = $1;
 	}
 
 statements: statement {
diff --git a/discover/grub2/script.c b/discover/grub2/script.c
new file mode 100644
index 0000000..71d6cba
--- /dev/null
+++ b/discover/grub2/script.c
@@ -0,0 +1,12 @@
+
+#include <talloc/talloc.h>
+
+#include "grub2.h"
+
+struct grub2_script *create_script(void *ctx)
+{
+	struct grub2_script *script;
+	script = talloc(ctx, struct grub2_script);
+	return script;
+}
+
-- 
2.39.2