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qapi: add QAPI visitor core 

Base definitions/includes for Visiter interface used by generated
visiter/marshalling code.

Includes a GenericList type. Our lists require an embedded element.
Since these types are generated, if you want to use them in a different
type of data structure, there's no easy way to add another embedded
element. The solution is to have non-embedded lists and that what this is.

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@gmail.com>
This commit is contained in:
Michael Roth 2011-07-19 14:50:32 -05:00 committed by Luiz Capitulino
parent c7aa841e9f
commit 2345c77c6d
5 changed files with 221 additions and 0 deletions
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6
Makefile.objs
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@ -372,6 +372,12 @@ endif
libcacard-y = cac.o event.o vcard.o vreader.o vcard_emul_nss.o vcard_emul_type.o card_7816.o
######################################################################
# qapi
qapi-nested-y = qapi-visit-core.o
qapi-obj-y = $(addprefix qapi/, $(qapi-nested-y))
vl.o: QEMU_CFLAGS+=$(GPROF_CFLAGS)
vl.o: QEMU_CFLAGS+=$(SDL_CFLAGS)

1
configure vendored
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@ -3486,6 +3486,7 @@ DIRS="tests tests/cris slirp audio block net pc-bios/optionrom"
DIRS="$DIRS pc-bios/spapr-rtas"
DIRS="$DIRS roms/seabios roms/vgabios"
DIRS="$DIRS fsdev ui"
DIRS="$DIRS qapi"
FILES="Makefile tests/Makefile"
FILES="$FILES tests/cris/Makefile tests/cris/.gdbinit"
FILES="$FILES pc-bios/optionrom/Makefile pc-bios/keymaps"

20
qapi/qapi-types-core.h Normal file
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@ -0,0 +1,20 @@
/*
* Core Definitions for QAPI-generated Types
*
* Copyright IBM, Corp. 2011
*
* Authors:
* Anthony Liguori <aliguori@us.ibm.com>
*
* This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
* See the COPYING.LIB file in the top-level directory.
*
*/
#ifndef QAPI_TYPES_CORE_H
#define QAPI_TYPES_CORE_H
#include "qemu-common.h"
#include "error.h"
#endif

118
qapi/qapi-visit-core.c Normal file
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@ -0,0 +1,118 @@
/*
* Core Definitions for QAPI Visitor Classes
*
* Copyright IBM, Corp. 2011
*
* Authors:
* Anthony Liguori <aliguori@us.ibm.com>
*
* This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
* See the COPYING.LIB file in the top-level directory.
*
*/
#include "qapi/qapi-visit-core.h"
void visit_start_handle(Visitor *v, void **obj, const char *kind,
const char *name, Error **errp)
{
if (!error_is_set(errp) && v->start_handle) {
v->start_handle(v, obj, kind, name, errp);
}
}
void visit_end_handle(Visitor *v, Error **errp)
{
if (!error_is_set(errp) && v->end_handle) {
v->end_handle(v, errp);
}
}
void visit_start_struct(Visitor *v, void **obj, const char *kind,
const char *name, size_t size, Error **errp)
{
if (!error_is_set(errp)) {
v->start_struct(v, obj, kind, name, size, errp);
}
}
void visit_end_struct(Visitor *v, Error **errp)
{
if (!error_is_set(errp)) {
v->end_struct(v, errp);
}
}
void visit_start_list(Visitor *v, const char *name, Error **errp)
{
if (!error_is_set(errp)) {
v->start_list(v, name, errp);
}
}
GenericList *visit_next_list(Visitor *v, GenericList **list, Error **errp)
{
if (!error_is_set(errp)) {
return v->next_list(v, list, errp);
}
return 0;
}
void visit_end_list(Visitor *v, Error **errp)
{
if (!error_is_set(errp)) {
v->end_list(v, errp);
}
}
void visit_start_optional(Visitor *v, bool *present, const char *name,
Error **errp)
{
if (!error_is_set(errp) && v->start_optional) {
v->start_optional(v, present, name, errp);
}
}
void visit_end_optional(Visitor *v, Error **errp)
{
if (!error_is_set(errp) && v->end_optional) {
v->end_optional(v, errp);
}
}
void visit_type_enum(Visitor *v, int *obj, const char *strings[],
const char *kind, const char *name, Error **errp)
{
if (!error_is_set(errp)) {
v->type_enum(v, obj, strings, kind, name, errp);
}
}
void visit_type_int(Visitor *v, int64_t *obj, const char *name, Error **errp)
{
if (!error_is_set(errp)) {
v->type_int(v, obj, name, errp);
}
}
void visit_type_bool(Visitor *v, bool *obj, const char *name, Error **errp)
{
if (!error_is_set(errp)) {
v->type_bool(v, obj, name, errp);
}
}
void visit_type_str(Visitor *v, char **obj, const char *name, Error **errp)
{
if (!error_is_set(errp)) {
v->type_str(v, obj, name, errp);
}
}
void visit_type_number(Visitor *v, double *obj, const char *name, Error **errp)
{
if (!error_is_set(errp)) {
v->type_number(v, obj, name, errp);
}
}

76
qapi/qapi-visit-core.h Normal file
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@ -0,0 +1,76 @@
/*
* Core Definitions for QAPI Visitor Classes
*
* Copyright IBM, Corp. 2011
*
* Authors:
* Anthony Liguori <aliguori@us.ibm.com>
*
* This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
* See the COPYING.LIB file in the top-level directory.
*
*/
#ifndef QAPI_VISITOR_CORE_H
#define QAPI_VISITOR_CORE_H
#include "qapi/qapi-types-core.h"
#include <stdlib.h>
typedef struct GenericList
{
void *value;
struct GenericList *next;
} GenericList;
typedef struct Visitor Visitor;
struct Visitor
{
/* Must be set */
void (*start_struct)(Visitor *v, void **obj, const char *kind,
const char *name, size_t size, Error **errp);
void (*end_struct)(Visitor *v, Error **errp);
void (*start_list)(Visitor *v, const char *name, Error **errp);
GenericList *(*next_list)(Visitor *v, GenericList **list, Error **errp);
void (*end_list)(Visitor *v, Error **errp);
void (*type_enum)(Visitor *v, int *obj, const char *strings[],
const char *kind, const char *name, Error **errp);
void (*type_int)(Visitor *v, int64_t *obj, const char *name, Error **errp);
void (*type_bool)(Visitor *v, bool *obj, const char *name, Error **errp);
void (*type_str)(Visitor *v, char **obj, const char *name, Error **errp);
void (*type_number)(Visitor *v, double *obj, const char *name,
Error **errp);
/* May be NULL */
void (*start_optional)(Visitor *v, bool *present, const char *name,
Error **errp);
void (*end_optional)(Visitor *v, Error **errp);
void (*start_handle)(Visitor *v, void **obj, const char *kind,
const char *name, Error **errp);
void (*end_handle)(Visitor *v, Error **errp);
};
void visit_start_handle(Visitor *v, void **obj, const char *kind,
const char *name, Error **errp);
void visit_end_handle(Visitor *v, Error **errp);
void visit_start_struct(Visitor *v, void **obj, const char *kind,
const char *name, size_t size, Error **errp);
void visit_end_struct(Visitor *v, Error **errp);
void visit_start_list(Visitor *v, const char *name, Error **errp);
GenericList *visit_next_list(Visitor *v, GenericList **list, Error **errp);
void visit_end_list(Visitor *v, Error **errp);
void visit_start_optional(Visitor *v, bool *present, const char *name,
Error **errp);
void visit_end_optional(Visitor *v, Error **errp);
void visit_type_enum(Visitor *v, int *obj, const char *strings[],
const char *kind, const char *name, Error **errp);
void visit_type_int(Visitor *v, int64_t *obj, const char *name, Error **errp);
void visit_type_bool(Visitor *v, bool *obj, const char *name, Error **errp);
void visit_type_str(Visitor *v, char **obj, const char *name, Error **errp);
void visit_type_number(Visitor *v, double *obj, const char *name, Error **errp);
#endif