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https://github.com/yuzu-emu/unicorn.git
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7e83274012
The generated code can call visit_end_union() without having called
visit_start_union(). Example:
if (!*obj) {
goto out_obj;
}
visit_type_CpuInfoBase_fields(v, (CpuInfoBase **)obj, &err);
if (err) {
goto out_obj; // if we go from here...
}
if (!visit_start_union(v, !!(*obj)->u.data, &err) || err) {
goto out_obj;
}
switch ((*obj)->arch) {
[...]
}
out_obj:
// ... then *obj is true, and ...
error_propagate(errp, err);
err = NULL;
if (*obj) {
// we end up here
visit_end_union(v, !!(*obj)->u.data, &err);
}
error_propagate(errp, err);
Harmless only because no visitor implements end_union(). Clean it up
anyway, by deleting the function as useless.
Messed up since we have visit_end_union (commit cee2ded).
Backports commit 7c91aabd8964cfdf637f302c579c95401f21ce92 from qemu
73 lines
3 KiB
C
73 lines
3 KiB
C
/*
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* Core Definitions for QAPI Visitor implementations
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*
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* Copyright (C) 2012-2016 Red Hat, Inc.
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*
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* Author: Paolo Bonizni <pbonzini@redhat.com>
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*
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* This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
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* See the COPYING.LIB file in the top-level directory.
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*
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*/
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#ifndef QAPI_VISITOR_IMPL_H
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#define QAPI_VISITOR_IMPL_H
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#include "qapi/error.h"
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#include "qapi/visitor.h"
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struct Visitor
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{
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/* Must be set */
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void (*start_struct)(Visitor *v, void **obj, const char *kind,
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const char *name, size_t size, Error **errp);
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void (*end_struct)(Visitor *v, Error **errp);
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void (*start_implicit_struct)(Visitor *v, void **obj, size_t size,
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Error **errp);
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void (*end_implicit_struct)(Visitor *v);
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void (*start_list)(Visitor *v, const char *name, Error **errp);
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GenericList *(*next_list)(Visitor *v, GenericList **list);
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void (*end_list)(Visitor *v);
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void (*type_enum)(Visitor *v, int *obj, const char * const strings[],
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const char *kind, const char *name, Error **errp);
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/* May be NULL; only needed for input visitors. */
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void (*get_next_type)(Visitor *v, QType *type, bool promote_int,
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const char *name, Error **errp);
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/* Must be set. */
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void (*type_int64)(Visitor *v, int64_t *obj, const char *name,
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Error **errp);
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/* Must be set. */
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void (*type_uint64)(Visitor *v, uint64_t *obj, const char *name,
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Error **errp);
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/* Optional; fallback is type_uint64(). */
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void (*type_size)(Visitor *v, uint64_t *obj, const char *name,
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Error **errp);
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/* Must be set. */
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void (*type_bool)(Visitor *v, bool *obj, const char *name, Error **errp);
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void (*type_str)(Visitor *v, char **obj, const char *name, Error **errp);
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void (*type_number)(Visitor *v, double *obj, const char *name,
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Error **errp);
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void (*type_any)(Visitor *v, QObject **obj, const char *name,
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Error **errp);
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/* May be NULL; most useful for input visitors. */
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void (*optional)(Visitor *v, bool *present, const char *name);
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void (*type_uint8)(Visitor *v, uint8_t *obj, const char *name, Error **errp);
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void (*type_uint16)(Visitor *v, uint16_t *obj, const char *name, Error **errp);
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void (*type_uint32)(Visitor *v, uint32_t *obj, const char *name, Error **errp);
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void (*type_int8)(Visitor *v, int8_t *obj, const char *name, Error **errp);
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void (*type_int16)(Visitor *v, int16_t *obj, const char *name, Error **errp);
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void (*type_int32)(Visitor *v, int32_t *obj, const char *name, Error **errp);
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bool (*start_union)(Visitor *v, bool data_present, Error **errp);
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};
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void input_type_enum(Visitor *v, int *obj, const char * const strings[],
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const char *kind, const char *name, Error **errp);
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void output_type_enum(Visitor *v, int *obj, const char * const strings[],
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const char *kind, const char *name, Error **errp);
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#endif
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