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