X-Git-Url: http://git.ozlabs.org/?p=petitboot;a=blobdiff_plain;f=discover%2Fgrub2%2Fparser.y;h=0d02bc155aa6793134e25ee05bc607e68d68eaac;hp=eb61f556491c23c503caea2958fa29a408cd866a;hb=5c6263a12dd7f859daa0feba8b58a0558f0ff21c;hpb=e492b596187d283cfbd65a098fe1b2d0dafa311e;ds=sidebyside

diff --git a/discover/grub2/parser.y b/discover/grub2/parser.y
index eb61f55..0d02bc1 100644
--- a/discover/grub2/parser.y
+++ b/discover/grub2/parser.y
@@ -4,6 +4,8 @@
 %parse-param { struct grub2_parser *parser }
 
 %{
+#include <talloc/talloc.h>
+
 #include "grub2.h"
 #include "parser.h"
 #include "lexer.h"
@@ -111,3 +113,110 @@ void yyerror(struct grub2_parser *parser, char const *s)
 			yyget_lineno(parser->scanner),
 			s, yyget_text(parser->scanner));
 }
+
+struct grub2_statements *create_statements(struct grub2_parser *parser)
+{
+	struct grub2_statements *stmts = talloc(parser,
+			struct grub2_statements);
+	list_init(&stmts->list);
+	return stmts;
+}
+
+struct grub2_statement *create_statement_simple(struct grub2_parser *parser,
+		struct grub2_argv *argv)
+{
+	struct grub2_statement_simple *stmt =
+		talloc(parser, struct grub2_statement_simple);
+	stmt->st.type = STMT_TYPE_SIMPLE;
+	stmt->st.exec = statement_simple_execute;
+	stmt->argv = argv;
+	return &stmt->st;
+}
+
+struct grub2_statement *create_statement_menuentry(struct grub2_parser *parser,
+		struct grub2_argv *argv, struct grub2_statements *stmts)
+{
+	struct grub2_statement_menuentry *stmt =
+		talloc(parser, struct grub2_statement_menuentry);
+	stmt->st.type = STMT_TYPE_MENUENTRY;
+	stmt->st.exec = statement_menuentry_execute;
+	stmt->argv = argv;
+	stmt->statements = stmts;
+	return &stmt->st;
+}
+
+struct grub2_statement *create_statement_if(struct grub2_parser *parser,
+		struct grub2_statement *condition,
+		struct grub2_statements *true_case,
+		struct grub2_statements *false_case)
+{
+	struct grub2_statement_if *stmt =
+		talloc(parser, struct grub2_statement_if);
+	stmt->st.type = STMT_TYPE_IF;
+	stmt->st.exec = statement_if_execute;
+	stmt->condition = condition;
+	stmt->true_case = true_case;
+	stmt->false_case = false_case;
+	return &stmt->st;
+}
+
+struct grub2_statement *create_statement_block(struct grub2_parser *parser,
+		struct grub2_statements *stmts)
+{
+	struct grub2_statement_block *stmt =
+		talloc(parser, struct grub2_statement_block);
+	stmt->st.type = STMT_TYPE_BLOCK;
+	stmt->st.exec = NULL;
+	stmt->statements = stmts;
+	return &stmt->st;
+}
+
+void statement_append(struct grub2_statements *stmts,
+		struct grub2_statement *stmt)
+{
+	if (!stmt)
+		return;
+	list_add_tail(&stmts->list, &stmt->list);
+}
+
+struct grub2_word *create_word_text(struct grub2_parser *parser,
+		const char *text)
+{
+	struct grub2_word *word = talloc(parser, struct grub2_word);
+	word->type = GRUB2_WORD_TEXT;
+	word->split = false;
+	word->text = talloc_strdup(word, text);
+	word->next = NULL;
+	word->last = word;
+	return word;
+}
+
+struct grub2_word *create_word_var(struct grub2_parser *parser,
+		const char *name, bool split)
+{
+	struct grub2_word *word = talloc(parser, struct grub2_word);
+	word->type = GRUB2_WORD_VAR;
+	word->name = talloc_strdup(word, name);
+	word->split = split;
+	word->next = NULL;
+	word->last = word;
+	return word;
+}
+
+struct grub2_argv *create_argv(struct grub2_parser *parser)
+{
+	struct grub2_argv *argv = talloc(parser, struct grub2_argv);
+	list_init(&argv->words);
+	return argv;
+}
+
+void argv_append(struct grub2_argv *argv, struct grub2_word *word)
+{
+	list_add_tail(&argv->words, &word->argv_list);
+}
+
+void word_append(struct grub2_word *w1, struct grub2_word *w2)
+{
+	w1->last->next = w2;
+	w1->last = w2;
+}