a Lg>1@s0dZddlmZmZddlmZmZmZmZddl m Z m Z m Z ddl mZmZmZmZmZmZmZmZmZmZddlmZd"eeed d d Zeed d dZeeeeeeeedddZeeedddZeed ddZ eeedddZ!eed ddZ"Gddde Z#eeeeddd d!Z$dS)#aQ QAPI visitor generator Copyright IBM, Corp. 2011 Copyright (C) 2014-2018 Red Hat, Inc. Authors: Anthony Liguori Michael Roth Markus Armbruster This work is licensed under the terms of the GNU GPL, version 2. See the COPYING file in the top-level directory. )ListOptional) c_enum_constc_nameindentmcgen)QAPISchemaModularCVisitorgen_special_features ifcontext) QAPISchemaQAPISchemaAlternativesQAPISchemaBranchesQAPISchemaEnumMemberQAPISchemaEnumTypeQAPISchemaFeatureQAPISchemaIfCondQAPISchemaObjectTypeQAPISchemaObjectTypeMemberQAPISchemaType)QAPISourceInfoF)namescalarreturncCs*t|d}|s|d7}tdt||dS)Nz **zj bool visit_type_%(c_name)s(Visitor *v, const char *name, %(c_type)sobj, Error **errp); )rc_type)rr)rrrr=/home2/Puru_Virtio_Blk/virtio-demo/qemu/scripts/qapi/visit.pygen_visit_decl,s  rrrcCstdt|dS)NzQ bool visit_type_%(c_name)s_members(Visitor *v, %(c_name)s *obj, Error **errp); rrrrrrrgen_visit_members_decl8sr#)rbasemembersbranchesrc CsDtdt|d}d}|D]H}|jr|s||j7}|tdt|jd7}d}||j7}q||7}|r|td|d7}|D]}||j7}|jrdt|j}|rd |}|td |j|d 7}t t |j }|d kr|td |j|d7}t |td|j |jt|jd7}|d krHt |td7}|jrdt |td7}||j7}q|r4|j} t| j tsJ|tdt| jd7}|jD]x} t| j j| j| j j} || j7}| j jdkr|td| d7}n |td| | j t| jd7}|| j7}q|td7}|td7}|S)NzR bool visit_type_%(c_name)s_members(Visitor *v, %(c_name)s *obj, Error **errp) { r z. bool has_%(c_name)s = !!obj->%(c_name)s;  zc if (!visit_type_%(c_type)s_members(v, (%(c_type)s *)obj, errp)) { return false; } )rhas_zobj->z4 if (visit_optional(v, "%(name)s", &%(has)s)) { )rhas0z if (visit_policy_reject(v, "%(name)s", %(special_features)s, errp)) { return false; } if (!visit_policy_skip(v, "%(name)s", %(special_features)s)) { )rspecial_featureszf if (!visit_type_%(c_type)s(v, "%(name)s", &obj->%(c_name)s, errp)) { return false; } )rrrz } z switch (obj->%(c_name)s) { q_emptyz# case %(case)s: break; casez_ case %(case)s: return visit_type_%(c_type)s_members(v, &obj->u.%(c_name)s, errp); )r/rrz% default: abort(); } z return true; } )rroptionalneed_hasifcondgen_ifr gen_endifrincreaser featurestypedecrease tag_member isinstancervariantsrprefix) rr$r%r&retsepmembr*r,r9varZcase_strrrrgen_visit_object_members@s           rA)r element_typercCstdt||dS)Na bool visit_type_%(c_name)s(Visitor *v, const char *name, %(c_name)s **obj, Error **errp) { bool ok = false; %(c_name)s *tail; size_t size = sizeof(**obj); if (!visit_start_list(v, name, (GenericList **)obj, size, errp)) { return false; } for (tail = *obj; tail; tail = (%(c_name)s *)visit_next_list(v, (GenericList *)tail, size)) { if (!visit_type_%(c_elt_type)s(v, NULL, &tail->value, errp)) { goto out_obj; } } ok = visit_check_list(v, errp); out_obj: visit_end_list(v, (void **)obj); if (!ok && visit_is_input(v)) { qapi_free_%(c_name)s(*obj); *obj = NULL; } return ok; } )rZ c_elt_typer!)rrBrrrgen_visit_lists rCcCstdt|dS)Nz bool visit_type_%(c_name)s(Visitor *v, const char *name, %(c_name)s *obj, Error **errp) { int value = *obj; bool ok = visit_type_enum(v, name, &value, &%(c_name)s_lookup, errp); *obj = value; return ok; } r r!r"rrrgen_visit_enums rD)r alternativesrcCstdt|d}|jD]}||j7}|td|jd7}t|jtrj|td|jt|j d7}n|td|jt|j d7}|td7}||j 7}q|td |t|d 7}|S) Na bool visit_type_%(c_name)s(Visitor *v, const char *name, %(c_name)s **obj, Error **errp) { bool ok = false; if (!visit_start_alternate(v, name, (GenericAlternate **)obj, sizeof(**obj), errp)) { return false; } if (!*obj) { /* incomplete */ assert(visit_is_dealloc(v)); ok = true; goto out_obj; } switch ((*obj)->type) { r z case %(case)s: r.a if (!visit_start_struct(v, name, NULL, 0, errp)) { break; } if (visit_type_%(c_type)s_members(v, &(*obj)->u.%(c_name)s, errp)) { ok = visit_check_struct(v, errp); } visit_end_struct(v, NULL); )rrzK ok = visit_type_%(c_type)s(v, name, &(*obj)->u.%(c_name)s, errp); z break; a case QTYPE_NONE: abort(); default: assert(visit_is_input(v)); error_setg(errp, "Invalid parameter type for '%%s', expected: %(name)s", name ? name : "null"); /* Avoid passing invalid *obj to qapi_free_%(c_name)s() */ g_free(*obj); *obj = NULL; } out_obj: visit_end_alternate(v, (void **)obj); if (!ok && visit_is_input(v)) { qapi_free_%(c_name)s(*obj); *obj = NULL; } return ok; } )rr) rrr;r2r3r7alternate_qtyper:rrr4)rrEr=r@rrrgen_visit_alternates.     rGcCstdt|dS)Na bool visit_type_%(c_name)s(Visitor *v, const char *name, %(c_name)s **obj, Error **errp) { bool ok = false; if (!visit_start_struct(v, name, (void **)obj, sizeof(%(c_name)s), errp)) { return false; } if (!*obj) { /* incomplete */ assert(visit_is_dealloc(v)); ok = true; goto out_obj; } if (!visit_type_%(c_name)s_members(v, *obj, errp)) { goto out_obj; } ok = visit_check_struct(v, errp); out_obj: visit_end_struct(v, (void **)obj); if (!ok && visit_is_input(v)) { qapi_free_%(c_name)s(*obj); *obj = NULL; } return ok; } r r!r"rrrgen_visit_object0srHc seZdZedfdd ZddddZeddd d Zeeee e e e e eedd d d Z eeee eddddZeeee e e eee eeeddddZeeee e e eddddZZS)QAPISchemaGenVisitVisitor)r<cst|dddtdS)N qapi-visitz * Schema-defined QAPI visitorsz * Built-in QAPI visitors)super__init____doc__)selfr< __class__rrrLSsz"QAPISchemaGenVisitVisitor.__init__N)rcCs$|jtd|jtddS)NzV #include "qemu/osdep.h" #include "qapi/error.h" #include "qapi/qapi-builtin-visit.h" zA #include "qapi/visitor.h" #include "qapi/qapi-builtin-types.h" )_genc preamble_addr_genh)rNrrr_begin_builtin_moduleXsz/QAPISchemaGenVisitVisitor._begin_builtin_modulercCsD|d|}|d|}|jtd|d|jtd|ddS)Nz qapi-typesrJzH #include "qemu/osdep.h" #include "qapi/error.h" #include "%(visit)s.h" )visitz> #include "qapi/qapi-builtin-visit.h" #include "%(types)s.h" )types)_module_basenamerQrRrrS)rNrrVrUrrr_begin_user_moduleds    z,QAPISchemaGenVisitVisitor._begin_user_module)rinfor2r6r%r<rcCsXt||j|j4|jt|dd|jt|Wdn1sJ0YdS)NT)r)r rSrQaddrrD)rNrrYr2r6r%r<rrrvisit_enum_typetsz)QAPISchemaGenVisitVisitor.visit_enum_type)rrYr2rBrcCsVt||j|j2|jt||jt||Wdn1sH0YdSN)r rSrQrZrrC)rNrrYr2rBrrrvisit_array_typesz*QAPISchemaGenVisitVisitor.visit_array_type)rrYr2r6r$r%r&rcCs|dkr dSt||j|j`|jt||jt|||||dsn|jt||jt|Wdn1s0YdS)Nr-q_) r rSrQrZr#rA startswithrrH)rNrrYr2r6r$r%r&rrrvisit_object_types   z+QAPISchemaGenVisitVisitor.visit_object_type)rrYr2r6rErcCsVt||j|j2|jt||jt||Wdn1sH0YdSr\)r rSrQrZrrG)rNrrYr2r6rErrrvisit_alternate_typesz.QAPISchemaGenVisitVisitor.visit_alternate_type)__name__ __module__ __qualname__strrLrTrXrrrrrrr[rr]rrrr`r ra __classcell__rrrOrrIQs:    rIN)schema output_dirr< opt_builtinsrcCs"t|}|||||dSr\)rIrUwrite)rgrhr<rivisrrr gen_visits rl)F)%rMtypingrrcommonrrrrgenr r r rgr r rrrrrrrrsourcerreboolrr#rArCrDrGrHrIrlrrrrs00   q" N!X