1 /* 2 * Core Definitions for QAPI Visitor Classes 3 * 4 * Copyright (C) 2012-2016 Red Hat, Inc. 5 * Copyright IBM, Corp. 2011 6 * 7 * Authors: 8 * Anthony Liguori <aliguori@us.ibm.com> 9 * 10 * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. 11 * See the COPYING.LIB file in the top-level directory. 12 * 13 */ 14 #ifndef QAPI_VISITOR_CORE_H 15 #define QAPI_VISITOR_CORE_H 16 17 #include "qemu/typedefs.h" 18 #include "qapi/qmp/qobject.h" 19 #include "qapi/error.h" 20 #include <stdlib.h> 21 22 typedef struct GenericList 23 { 24 union { 25 void *value; 26 uint64_t padding; 27 }; 28 struct GenericList *next; 29 } GenericList; 30 31 void visit_start_struct(Visitor *v, const char *name, void **obj, 32 size_t size, Error **errp); 33 void visit_end_struct(Visitor *v, Error **errp); 34 void visit_start_implicit_struct(Visitor *v, void **obj, size_t size, 35 Error **errp); 36 void visit_end_implicit_struct(Visitor *v); 37 38 void visit_start_list(Visitor *v, const char *name, Error **errp); 39 GenericList *visit_next_list(Visitor *v, GenericList **list); 40 void visit_end_list(Visitor *v); 41 42 /** 43 * Check if an optional member @name of an object needs visiting. 44 * For input visitors, set *@present according to whether the 45 * corresponding visit_type_*() needs calling; for other visitors, 46 * leave *@present unchanged. Return *@present for convenience. 47 */ 48 bool visit_optional(Visitor *v, const char *name, bool *present); 49 50 /** 51 * Determine the qtype of the item @name in the current object visit. 52 * For input visitors, set *@type to the correct qtype of a qapi 53 * alternate type; for other visitors, leave *@type unchanged. 54 * If @promote_int, treat integers as QTYPE_FLOAT. 55 */ 56 void visit_get_next_type(Visitor *v, const char *name, QType *type, 57 bool promote_int, Error **errp); 58 void visit_type_enum(Visitor *v, const char *name, int *obj, 59 const char *const strings[], Error **errp); 60 void visit_type_int(Visitor *v, const char *name, int64_t *obj, Error **errp); 61 void visit_type_uint8(Visitor *v, const char *name, uint8_t *obj, 62 Error **errp); 63 void visit_type_uint16(Visitor *v, const char *name, uint16_t *obj, 64 Error **errp); 65 void visit_type_uint32(Visitor *v, const char *name, uint32_t *obj, 66 Error **errp); 67 void visit_type_uint64(Visitor *v, const char *name, uint64_t *obj, 68 Error **errp); 69 void visit_type_int8(Visitor *v, const char *name, int8_t *obj, Error **errp); 70 void visit_type_int16(Visitor *v, const char *name, int16_t *obj, 71 Error **errp); 72 void visit_type_int32(Visitor *v, const char *name, int32_t *obj, 73 Error **errp); 74 void visit_type_int64(Visitor *v, const char *name, int64_t *obj, 75 Error **errp); 76 void visit_type_size(Visitor *v, const char *name, uint64_t *obj, 77 Error **errp); 78 void visit_type_bool(Visitor *v, const char *name, bool *obj, Error **errp); 79 void visit_type_str(Visitor *v, const char *name, char **obj, Error **errp); 80 void visit_type_number(Visitor *v, const char *name, double *obj, 81 Error **errp); 82 void visit_type_any(Visitor *v, const char *name, QObject **obj, Error **errp); 83 bool visit_start_union(Visitor *v, bool data_present, Error **errp); 84 85 #endif 86