X-Git-Url: http://git.ozlabs.org/?p=petitboot;a=blobdiff_plain;f=discover%2Fgrub2%2Fparser.y;h=9d79d9b9b136aeeed1abf010ffe81db568f24586;hp=5a4d4f8e204a97181396ee8ea9800a56113b313f;hb=8c430d0509a2f1f5dc64de308d1c1d2668d2031b;hpb=9e5b77f258b8e993f480763d8e5269bd8c87b508

diff --git a/discover/grub2/parser.y b/discover/grub2/parser.y
index 5a4d4f8..9d79d9b 100644
--- a/discover/grub2/parser.y
+++ b/discover/grub2/parser.y
@@ -2,6 +2,7 @@
 %pure-parser
 %lex-param { yyscan_t scanner }
 %parse-param { struct grub2_parser *parser }
+%parse-param { void *scanner }
 %error-verbose
 
 %{
@@ -9,10 +10,6 @@
 #include <log/log.h>
 
 #include "grub2.h"
-#include "parser.h"
-#include "lexer.h"
-
-#define YYLEX_PARAM parser->scanner
 
 void yyerror(struct grub2_parser *parser, const char *fmt, ...);
 %}
@@ -63,6 +60,10 @@ void yyerror(struct grub2_parser *parser, const char *fmt, ...);
 %start	script
 %debug
 
+%{
+#include "lexer.h"
+%}
+
 %%
 
 script:	statements {
@@ -129,6 +130,12 @@ statement:
 		/* we just flatten everything */
 		$$ = create_statement_block(parser, $6);
 	}
+	| "for" TOKEN_DELIM word TOKEN_DELIM "in" TOKEN_DELIM words TOKEN_EOL
+		"do" sep
+		statements
+		"done" {
+		$$ = create_statement_for(parser, $3, $7, $11);
+	}
 
 words:	word {
 		$$ = create_argv(parser);
@@ -242,6 +249,19 @@ struct grub2_statement *create_statement_function(struct grub2_parser *parser,
 	return &stmt->st;
 }
 
+struct grub2_statement *create_statement_for(struct grub2_parser *parser,
+		struct grub2_word *var, struct grub2_argv *list,
+		struct grub2_statements *body)
+{
+	struct grub2_statement_for *stmt =
+		talloc(parser, struct grub2_statement_for);
+	stmt->st.exec = statement_for_execute;
+	stmt->var = var;
+	stmt->list = list;
+	stmt->body = body;
+	return &stmt->st;
+}
+
 void statement_append(struct grub2_statements *stmts,
 		struct grub2_statement *stmt)
 {
@@ -309,12 +329,15 @@ void grub2_parser_parse(struct grub2_parser *parser, const char *filename,
 	YY_BUFFER_STATE bufstate;
 	int rc;
 
+	if (!len)
+		return;
+
 	parser->script->filename = filename;
 
 	bufstate = yy_scan_bytes(buf, len - 1, parser->scanner);
 	yyset_lineno(1, parser->scanner);
 
-	rc = yyparse(parser);
+	rc = yyparse(parser, parser->scanner);
 
 	yy_delete_buffer(bufstate, parser->scanner);