Fix CTF parser hang with bison 3.0

Replace deprecated YYLEX_PARAM with %lex-param

See http://article.gmane.org/gmane.org.fsf.announce/2006 for details.

Tested with bison 2.5 and bison 3.0.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

diff --git a/formats/ctf/metadata/ctf-ast.h b/formats/ctf/metadata/ctf-ast.h
index a8e58cef121eb82dbbe37427f8014ca798f7114c..93bce7d82860be6ef492fc650d1866a605cee79a 100644 (file)
--- a/formats/ctf/metadata/ctf-ast.h
+++ b/formats/ctf/metadata/ctf-ast.h
@@ -26,9 +26,6 @@
 // data is a pointer to a 'SParserParam' structure
 //#define YYPARSE_PARAM        scanner
 
-// the argument for the 'yylex' function
-#define YYLEX_PARAM    ((struct ctf_scanner *) scanner)->scanner
-
 struct ctf_node;
 struct ctf_parser;
 

diff --git a/formats/ctf/metadata/ctf-parser.y b/formats/ctf/metadata/ctf-parser.y
index f4c61f33d2fd733b29118f6a17ee436d29889e37..61292c91f29c380ff77e52dc91352bf811d6e5d1 100644 (file)
--- a/formats/ctf/metadata/ctf-parser.y
+++ b/formats/ctf/metadata/ctf-parser.y
@@ -58,15 +58,15 @@ _bt_list_splice_tail (struct bt_list_head *add, struct bt_list_head *head)
 }
 
 BT_HIDDEN
-int yyparse(struct ctf_scanner *scanner);
+int yyparse(struct ctf_scanner *scanner, yyscan_t yyscanner);
 BT_HIDDEN
-int yylex(union YYSTYPE *yyval, struct ctf_scanner *scanner);
+int yylex(union YYSTYPE *yyval, yyscan_t yyscanner);
 BT_HIDDEN
 int yylex_init_extra(struct ctf_scanner *scanner, yyscan_t * ptr_yy_globals);
 BT_HIDDEN
 int yylex_destroy(yyscan_t yyscanner);
 BT_HIDDEN
-void yyrestart(FILE * in_str, yyscan_t scanner);
+void yyrestart(FILE * in_str, yyscan_t yyscanner);
 BT_HIDDEN
 int yyget_lineno(yyscan_t yyscanner);
 BT_HIDDEN
@@ -934,7 +934,7 @@ static int set_parent_node(struct ctf_node *node,
 }
 
 BT_HIDDEN
-void yyerror(struct ctf_scanner *scanner, const char *str)
+void yyerror(struct ctf_scanner *scanner, yyscan_t yyscanner, const char *str)
 {
        printfl_error(yyget_lineno(scanner->scanner),
                "token \"%s\": %s\n",
@@ -949,7 +949,7 @@ int yywrap(void)
 
 #define reparent_error(scanner, str)                           \
 do {                                                           \
-       yyerror(scanner, YY_("reparent_error: " str));  \
+       yyerror(scanner, scanner->scanner, YY_("reparent_error: " str)); \
        YYERROR;                                                \
 } while (0)
 
@@ -974,7 +974,7 @@ static struct ctf_ast *ctf_ast_alloc(struct ctf_scanner *scanner)
 
 int ctf_scanner_append_ast(struct ctf_scanner *scanner)
 {
-       return yyparse(scanner);
+       return yyparse(scanner, scanner->scanner);
 }
 
 struct ctf_scanner *ctf_scanner_alloc(FILE *input)
@@ -1042,7 +1042,8 @@ void ctf_scanner_free(struct ctf_scanner *scanner)
        /* %locations */
 %error-verbose
 %parse-param {struct ctf_scanner *scanner}
-%lex-param {struct ctf_scanner *scanner}
+%parse-param {yyscan_t yyscanner}
+%lex-param {yyscan_t yyscanner}
 /*
  * Expect two shift-reduce conflicts. Caused by enum name-opt : type {}
  * vs struct { int :value; } (unnamed bit-field). The default is to