X-Git-Url: http://git.annexia.org/?a=blobdiff_plain;ds=sidebyside;f=rpcgen_parse.y;fp=rpcgen_parse.y;h=04b073aea38b8013106a874d513316f4e1fbd0ce;hb=e9558f1dd242f2eb6a528c5509f1f8911fffe5d7;hp=0000000000000000000000000000000000000000;hpb=0fb3d920a44476495cd4537d22dc2debd0c4512f;p=portablexdr.git

diff --git a/rpcgen_parse.y b/rpcgen_parse.y
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+/* rpcgen - Generate XDR bindings automatically.    -*- text -*-
+ * Copyright (C) 2008 Red Hat Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+%{
+#include <config.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "rpcgen_int.h"
+
+extern void yyerror (const char *str);
+%}
+
+%union {
+  char *str;
+}
+
+%type <str> const
+
+%token STRUCT
+%token ENUM
+%token CONST
+%token TYPEDEF
+%token UNION
+%token SWITCH
+%token CASE
+%token DEFAULT
+%token PROGRAM
+
+%token UNSIGNED
+%token SIGNED
+%token CHAR
+%token SHORT
+%token INT
+%token HYPER
+%token DOUBLE
+%token STRING
+%token OPAQUE
+
+/* This is sometimes lumped together with the other types, but
+ * the special keyword void can only occur after "default:" in
+ * union statements.
+ */
+%token VOID
+
+%token <str> IDENT
+%token <str> INTLIT
+%token <str> STRLIT
+
+%%
+
+file	: /* empty */
+	| stmts
+	;
+
+/* Statements. */
+stmts	: stmt ';'
+	| stmts stmt ';'
+	;
+
+stmt	: ENUM IDENT '{' enum_values '}'
+	| STRUCT IDENT '{' decls '}'
+	| UNION IDENT SWITCH '(' decl ')' '{' union_cases '}'
+	| TYPEDEF decl
+	| CONST IDENT '=' const
+	| PROGRAM
+	;
+
+/* Declarations used inside structs and unions.  eg. "int foo;" */
+decls	: decl ';'
+	| decls decl ';'
+	;
+
+decl	: simple_decl
+	| fixed_array_decl
+	| variable_array_decl
+	| pointer_decl
+	;
+
+simple_decl
+	: type_ident IDENT
+	;
+
+fixed_array_decl
+	: type_ident IDENT '[' const ']'
+	;
+
+variable_array_decl
+	: type_ident IDENT '<' const '>'
+	| type_ident IDENT '<' '>'
+	;
+
+pointer_decl
+	: type_ident '*' IDENT
+	;
+
+/* Enumerations. */
+enum_values
+	: enum_value
+	| enum_values ',' enum_value
+	;
+
+enum_value
+	: IDENT
+	| IDENT '=' const
+	;
+
+/* Case list inside a union. */
+union_cases
+	: union_case ';'
+	| union_cases union_case ';'
+	;
+
+union_case
+	: CASE const ':' decl
+	| DEFAULT ':' VOID
+	| DEFAULT ':' decl
+	;
+
+/* Constants, which may be integer literals or refer to previously
+ * defined constants (using "const" keyword).
+ * XXX In future we should probably allow computed constants.
+ */
+const	: INTLIT
+	| IDENT
+	;
+
+/* Types. */
+type_ident
+	: CHAR
+	| SIGNED CHAR
+	| UNSIGNED CHAR
+	| SHORT
+	| SIGNED SHORT
+	| UNSIGNED SHORT
+	| INT
+	| SIGNED INT
+	| UNSIGNED INT
+	| HYPER
+	| SIGNED HYPER
+	| UNSIGNED HYPER
+	| SIGNED
+	| UNSIGNED
+	| DOUBLE
+	| STRING
+	| OPAQUE
+	| IDENT
+	;
+
+%%
+
+void
+yyerror (const char *str)
+{
+  error ("%s", str);
+}