diff options
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/ordereddict.py | 127 | ||||
| -rw-r--r-- | scripts/qapi-commands.py | 385 | ||||
| -rw-r--r-- | scripts/qapi-types.py | 270 | ||||
| -rw-r--r-- | scripts/qapi-visit.py | 246 | ||||
| -rw-r--r-- | scripts/qapi.py | 203 |
5 files changed, 1231 insertions, 0 deletions
diff --git a/scripts/ordereddict.py b/scripts/ordereddict.py new file mode 100644 index 0000000000..7242b5060d --- /dev/null +++ b/scripts/ordereddict.py @@ -0,0 +1,127 @@ +# Copyright (c) 2009 Raymond Hettinger +# +# Permission is hereby granted, free of charge, to any person +# obtaining a copy of this software and associated documentation files +# (the "Software"), to deal in the Software without restriction, +# including without limitation the rights to use, copy, modify, merge, +# publish, distribute, sublicense, and/or sell copies of the Software, +# and to permit persons to whom the Software is furnished to do so, +# subject to the following conditions: +# +# The above copyright notice and this permission notice shall be +# included in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES +# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT +# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, +# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING +# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +# OTHER DEALINGS IN THE SOFTWARE. + +from UserDict import DictMixin + +class OrderedDict(dict, DictMixin): + + def __init__(self, *args, **kwds): + if len(args) > 1: + raise TypeError('expected at most 1 arguments, got %d' % len(args)) + try: + self.__end + except AttributeError: + self.clear() + self.update(*args, **kwds) + + def clear(self): + self.__end = end = [] + end += [None, end, end] # sentinel node for doubly linked list + self.__map = {} # key --> [key, prev, next] + dict.clear(self) + + def __setitem__(self, key, value): + if key not in self: + end = self.__end + curr = end[1] + curr[2] = end[1] = self.__map[key] = [key, curr, end] + dict.__setitem__(self, key, value) + + def __delitem__(self, key): + dict.__delitem__(self, key) + key, prev, next = self.__map.pop(key) + prev[2] = next + next[1] = prev + + def __iter__(self): + end = self.__end + curr = end[2] + while curr is not end: + yield curr[0] + curr = curr[2] + + def __reversed__(self): + end = self.__end + curr = end[1] + while curr is not end: + yield curr[0] + curr = curr[1] + + def popitem(self, last=True): + if not self: + raise KeyError('dictionary is empty') + if last: + key = reversed(self).next() + else: + key = iter(self).next() + value = self.pop(key) + return key, value + + def __reduce__(self): + items = [[k, self[k]] for k in self] + tmp = self.__map, self.__end + del self.__map, self.__end + inst_dict = vars(self).copy() + self.__map, self.__end = tmp + if inst_dict: + return (self.__class__, (items,), inst_dict) + return self.__class__, (items,) + + def keys(self): + return list(self) + + setdefault = DictMixin.setdefault + update = DictMixin.update + pop = DictMixin.pop + values = DictMixin.values + items = DictMixin.items + iterkeys = DictMixin.iterkeys + itervalues = DictMixin.itervalues + iteritems = DictMixin.iteritems + + def __repr__(self): + if not self: + return '%s()' % (self.__class__.__name__,) + return '%s(%r)' % (self.__class__.__name__, self.items()) + + def copy(self): + return self.__class__(self) + + @classmethod + def fromkeys(cls, iterable, value=None): + d = cls() + for key in iterable: + d[key] = value + return d + + def __eq__(self, other): + if isinstance(other, OrderedDict): + if len(self) != len(other): + return False + for p, q in zip(self.items(), other.items()): + if p != q: + return False + return True + return dict.__eq__(self, other) + + def __ne__(self, other): + return not self == other diff --git a/scripts/qapi-commands.py b/scripts/qapi-commands.py new file mode 100644 index 0000000000..9ad4c54991 --- /dev/null +++ b/scripts/qapi-commands.py @@ -0,0 +1,385 @@ +# +# QAPI command marshaller generator +# +# Copyright IBM, Corp. 2011 +# +# Authors: +# Anthony Liguori <aliguori@us.ibm.com> +# Michael Roth <mdroth@linux.vnet.ibm.com> +# +# This work is licensed under the terms of the GNU GPLv2. +# See the COPYING.LIB file in the top-level directory. + +from ordereddict import OrderedDict +from qapi import * +import sys +import os +import getopt +import errno + +def generate_decl_enum(name, members, genlist=True): + return mcgen(''' + +void visit_type_%(name)s(Visitor *m, %(name)s * obj, const char *name, Error **errp); +''', + name=name) + +def generate_command_decl(name, args, ret_type): + arglist="" + for argname, argtype, optional, structured in parse_args(args): + argtype = c_type(argtype) + if argtype == "char *": + argtype = "const char *" + if optional: + arglist += "bool has_%s, " % c_var(argname) + arglist += "%s %s, " % (argtype, c_var(argname)) + return mcgen(''' +%(ret_type)s qmp_%(name)s(%(args)sError **errp); +''', + ret_type=c_type(ret_type), name=c_var(name), args=arglist).strip() + +def gen_sync_call(name, args, ret_type, indent=0): + ret = "" + arglist="" + retval="" + if ret_type: + retval = "retval = " + for argname, argtype, optional, structured in parse_args(args): + if optional: + arglist += "has_%s, " % c_var(argname) + arglist += "%s, " % (c_var(argname)) + push_indent(indent) + ret = mcgen(''' +%(retval)sqmp_%(name)s(%(args)serrp); + +''', + name=c_var(name), args=arglist, retval=retval).rstrip() + if ret_type: + ret += "\n" + mcgen('''' +%(marshal_output_call)s +''', + marshal_output_call=gen_marshal_output_call(name, ret_type)).rstrip() + pop_indent(indent) + return ret.rstrip() + + +def gen_marshal_output_call(name, ret_type): + if not ret_type: + return "" + return "qmp_marshal_output_%s(retval, ret, errp);" % c_var(name) + +def gen_visitor_output_containers_decl(ret_type): + ret = "" + push_indent() + if ret_type: + ret += mcgen(''' +QmpOutputVisitor *mo; +QapiDeallocVisitor *md; +Visitor *v; +''') + pop_indent() + + return ret + +def gen_visitor_input_containers_decl(args): + ret = "" + + push_indent() + if len(args) > 0: + ret += mcgen(''' +QmpInputVisitor *mi; +QapiDeallocVisitor *md; +Visitor *v; +''') + pop_indent() + + return ret.rstrip() + +def gen_visitor_input_vars_decl(args): + ret = "" + push_indent() + for argname, argtype, optional, structured in parse_args(args): + if optional: + ret += mcgen(''' +bool has_%(argname)s = false; +''', + argname=c_var(argname)) + if c_type(argtype).endswith("*"): + ret += mcgen(''' +%(argtype)s %(argname)s = NULL; +''', + argname=c_var(argname), argtype=c_type(argtype)) + else: + ret += mcgen(''' +%(argtype)s %(argname)s; +''', + argname=c_var(argname), argtype=c_type(argtype)) + + pop_indent() + return ret.rstrip() + +def gen_visitor_input_block(args, obj, dealloc=False): + ret = "" + if len(args) == 0: + return ret + + push_indent() + + if dealloc: + ret += mcgen(''' +md = qapi_dealloc_visitor_new(); +v = qapi_dealloc_get_visitor(md); +''') + else: + ret += mcgen(''' +mi = qmp_input_visitor_new(%(obj)s); +v = qmp_input_get_visitor(mi); +''', + obj=obj) + + for argname, argtype, optional, structured in parse_args(args): + if optional: + ret += mcgen(''' +visit_start_optional(v, &has_%(c_name)s, "%(name)s", errp); +if (has_%(c_name)s) { +''', + c_name=c_var(argname), name=argname) + push_indent() + ret += mcgen(''' +visit_type_%(argtype)s(v, &%(c_name)s, "%(name)s", errp); +''', + c_name=c_var(argname), name=argname, argtype=argtype) + if optional: + pop_indent() + ret += mcgen(''' +} +visit_end_optional(v, errp); +''') + + if dealloc: + ret += mcgen(''' +qapi_dealloc_visitor_cleanup(md); +''') + else: + ret += mcgen(''' +qmp_input_visitor_cleanup(mi); +''') + pop_indent() + return ret.rstrip() + +def gen_marshal_output(name, args, ret_type): + if not ret_type: + return "" + ret = mcgen(''' +static void qmp_marshal_output_%(c_name)s(%(c_ret_type)s ret_in, QObject **ret_out, Error **errp) +{ + QapiDeallocVisitor *md = qapi_dealloc_visitor_new(); + QmpOutputVisitor *mo = qmp_output_visitor_new(); + Visitor *v; + + v = qmp_output_get_visitor(mo); + visit_type_%(ret_type)s(v, &ret_in, "unused", errp); + if (!error_is_set(errp)) { + *ret_out = qmp_output_get_qobject(mo); + } + qmp_output_visitor_cleanup(mo); + v = qapi_dealloc_get_visitor(md); + visit_type_%(ret_type)s(v, &ret_in, "unused", errp); + qapi_dealloc_visitor_cleanup(md); +} +''', + c_ret_type=c_type(ret_type), c_name=c_var(name), ret_type=ret_type) + + return ret + +def gen_marshal_input(name, args, ret_type): + ret = mcgen(''' +static void qmp_marshal_input_%(c_name)s(QDict *args, QObject **ret, Error **errp) +{ +''', + c_name=c_var(name)) + + if ret_type: + if c_type(ret_type).endswith("*"): + retval = " %s retval = NULL;" % c_type(ret_type) + else: + retval = " %s retval;" % c_type(ret_type) + ret += mcgen(''' +%(retval)s +''', + retval=retval) + + if len(args) > 0: + ret += mcgen(''' +%(visitor_input_containers_decl)s +%(visitor_input_vars_decl)s + +%(visitor_input_block)s + +''', + visitor_input_containers_decl=gen_visitor_input_containers_decl(args), + visitor_input_vars_decl=gen_visitor_input_vars_decl(args), + visitor_input_block=gen_visitor_input_block(args, "QOBJECT(args)")) + + ret += mcgen(''' + if (error_is_set(errp)) { + goto out; + } +%(sync_call)s +''', + sync_call=gen_sync_call(name, args, ret_type, indent=4)) + ret += mcgen(''' + +out: +''') + ret += mcgen(''' +%(visitor_input_block_cleanup)s + return; +} +''', + visitor_input_block_cleanup=gen_visitor_input_block(args, None, dealloc=True)) + return ret + +def gen_registry(commands): + registry="" + push_indent() + for cmd in commands: + registry += mcgen(''' +qmp_register_command("%(name)s", qmp_marshal_input_%(c_name)s); +''', + name=cmd['command'], c_name=c_var(cmd['command'])) + pop_indent() + ret = mcgen(''' +static void qmp_init_marshal(void) +{ +%(registry)s +} + +qapi_init(qmp_init_marshal); +''', + registry=registry.rstrip()) + return ret + +def gen_command_decl_prologue(header, guard, prefix=""): + ret = mcgen(''' +/* THIS FILE IS AUTOMATICALLY GENERATED, DO NOT MODIFY */ + +/* + * schema-defined QAPI function prototypes + * + * 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 %(guard)s +#define %(guard)s + +#include "%(prefix)sqapi-types.h" +#include "error.h" + +''', + header=basename(h_file), guard=guardname(h_file), prefix=prefix) + return ret + +def gen_command_def_prologue(prefix="", proxy=False): + ret = mcgen(''' +/* THIS FILE IS AUTOMATICALLY GENERATED, DO NOT MODIFY */ + +/* + * schema-defined QMP->QAPI command dispatch + * + * 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 "qemu-objects.h" +#include "qapi/qmp-core.h" +#include "qapi/qapi-visit-core.h" +#include "qapi/qmp-output-visitor.h" +#include "qapi/qmp-input-visitor.h" +#include "qapi/qapi-dealloc-visitor.h" +#include "%(prefix)sqapi-types.h" +#include "%(prefix)sqapi-visit.h" + +''', + prefix=prefix) + if not proxy: + ret += '#include "%sqmp-commands.h"' % prefix + return ret + "\n" + + +try: + opts, args = getopt.gnu_getopt(sys.argv[1:], "p:o:", ["prefix=", "output-dir=", "type="]) +except getopt.GetoptError, err: + print str(err) + sys.exit(1) + +output_dir = "" +prefix = "" +dispatch_type = "sync" +c_file = 'qmp-marshal.c' +h_file = 'qmp-commands.h' + +for o, a in opts: + if o in ("-p", "--prefix"): + prefix = a + elif o in ("-o", "--output-dir"): + output_dir = a + "/" + elif o in ("-t", "--type"): + dispatch_type = a + +c_file = output_dir + prefix + c_file +h_file = output_dir + prefix + h_file + +try: + os.makedirs(output_dir) +except os.error, e: + if e.errno != errno.EEXIST: + raise + +exprs = parse_schema(sys.stdin) +commands = filter(lambda expr: expr.has_key('command'), exprs) + +if dispatch_type == "sync": + fdecl = open(h_file, 'w') + fdef = open(c_file, 'w') + ret = gen_command_decl_prologue(header=basename(h_file), guard=guardname(h_file), prefix=prefix) + fdecl.write(ret) + ret = gen_command_def_prologue(prefix=prefix) + fdef.write(ret) + + for cmd in commands: + arglist = [] + ret_type = None + if cmd.has_key('data'): + arglist = cmd['data'] + if cmd.has_key('returns'): + ret_type = cmd['returns'] + ret = generate_command_decl(cmd['command'], arglist, ret_type) + "\n" + fdecl.write(ret) + if ret_type: + ret = gen_marshal_output(cmd['command'], arglist, ret_type) + "\n" + fdef.write(ret) + ret = gen_marshal_input(cmd['command'], arglist, ret_type) + "\n" + fdef.write(ret) + + fdecl.write("\n#endif"); + ret = gen_registry(commands) + fdef.write(ret) + + fdef.flush() + fdef.close() + fdecl.flush() + fdecl.close() diff --git a/scripts/qapi-types.py b/scripts/qapi-types.py new file mode 100644 index 0000000000..cece32546a --- /dev/null +++ b/scripts/qapi-types.py @@ -0,0 +1,270 @@ +# +# QAPI types generator +# +# Copyright IBM, Corp. 2011 +# +# Authors: +# Anthony Liguori <aliguori@us.ibm.com> +# +# This work is licensed under the terms of the GNU GPLv2. +# See the COPYING.LIB file in the top-level directory. + +from ordereddict import OrderedDict +from qapi import * +import sys +import os +import getopt +import errno + +def generate_fwd_struct(name, members): + return mcgen(''' +typedef struct %(name)s %(name)s; + +typedef struct %(name)sList +{ + %(name)s *value; + struct %(name)sList *next; +} %(name)sList; +''', + name=name) + +def generate_struct(structname, fieldname, members): + ret = mcgen(''' +struct %(name)s +{ +''', + name=structname) + + for argname, argentry, optional, structured in parse_args(members): + if optional: + ret += mcgen(''' + bool has_%(c_name)s; +''', + c_name=c_var(argname)) + if structured: + push_indent() + ret += generate_struct("", argname, argentry) + pop_indent() + else: + ret += mcgen(''' + %(c_type)s %(c_name)s; +''', + c_type=c_type(argentry), c_name=c_var(argname)) + + if len(fieldname): + fieldname = " " + fieldname + ret += mcgen(''' +}%(field)s; +''', + field=fieldname) + + return ret + +def generate_enum_lookup(name, values): + ret = mcgen(''' +const char *%(name)s_lookup[] = { +''', + name=name) + i = 0 + for value in values: + ret += mcgen(''' + "%(value)s", +''', + value=c_var(value).lower()) + + ret += mcgen(''' + NULL, +}; + +''') + return ret + +def generate_enum(name, values): + lookup_decl = mcgen(''' +extern const char *%(name)s_lookup[]; +''', + name=name) + + enum_decl = mcgen(''' +typedef enum %(name)s +{ +''', + name=name) + + i = 0 + for value in values: + enum_decl += mcgen(''' + %(abbrev)s_%(value)s = %(i)d, +''', + abbrev=de_camel_case(name).upper(), + value=c_var(value).upper(), + i=i) + i += 1 + + enum_decl += mcgen(''' +} %(name)s; +''', + name=name) + + return lookup_decl + enum_decl + +def generate_union(name, typeinfo): + ret = mcgen(''' +struct %(name)s +{ + %(name)sKind kind; + union { +''', + name=name) + + for key in typeinfo: + ret += mcgen(''' + %(c_type)s %(c_name)s; +''', + c_type=c_type(typeinfo[key]), + c_name=c_var(key)) + + ret += mcgen(''' + }; +}; +''') + + return ret + +def generate_type_cleanup_decl(name): + ret = mcgen(''' +void qapi_free_%(type)s(%(c_type)s obj); +''', + c_type=c_type(name),type=name) + return ret + +def generate_type_cleanup(name): + ret = mcgen(''' +void qapi_free_%(type)s(%(c_type)s obj) +{ + QapiDeallocVisitor *md; + Visitor *v; + + if (!obj) { + return; + } + + md = qapi_dealloc_visitor_new(); + v = qapi_dealloc_get_visitor(md); + visit_type_%(type)s(v, &obj, NULL, NULL); + qapi_dealloc_visitor_cleanup(md); +} +''', + c_type=c_type(name),type=name) + return ret + + +try: + opts, args = getopt.gnu_getopt(sys.argv[1:], "p:o:", ["prefix=", "output-dir="]) +except getopt.GetoptError, err: + print str(err) + sys.exit(1) + +output_dir = "" +prefix = "" +c_file = 'qapi-types.c' +h_file = 'qapi-types.h' + +for o, a in opts: + if o in ("-p", "--prefix"): + prefix = a + elif o in ("-o", "--output-dir"): + output_dir = a + "/" + +c_file = output_dir + prefix + c_file +h_file = output_dir + prefix + h_file + +try: + os.makedirs(output_dir) +except os.error, e: + if e.errno != errno.EEXIST: + raise + +fdef = open(c_file, 'w') +fdecl = open(h_file, 'w') + +fdef.write(mcgen(''' +/* AUTOMATICALLY GENERATED, DO NOT MODIFY */ + +/* + * deallocation functions for schema-defined QAPI types + * + * Copyright IBM, Corp. 2011 + * + * Authors: + * Anthony Liguori <aliguori@us.ibm.com> + * Michael Roth <mdroth@linux.vnet.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-dealloc-visitor.h" +#include "%(prefix)sqapi-types.h" +#include "%(prefix)sqapi-visit.h" + +''', prefix=prefix)) + +fdecl.write(mcgen(''' +/* AUTOMATICALLY GENERATED, DO NOT MODIFY */ + +/* + * schema-defined QAPI 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 %(guard)s +#define %(guard)s + +#include "qapi/qapi-types-core.h" +''', + guard=guardname(h_file))) + +exprs = parse_schema(sys.stdin) + +for expr in exprs: + ret = "\n" + if expr.has_key('type'): + ret += generate_fwd_struct(expr['type'], expr['data']) + elif expr.has_key('enum'): + ret += generate_enum(expr['enum'], expr['data']) + fdef.write(generate_enum_lookup(expr['enum'], expr['data'])) + elif expr.has_key('union'): + ret += generate_fwd_struct(expr['union'], expr['data']) + "\n" + ret += generate_enum('%sKind' % expr['union'], expr['data'].keys()) + else: + continue + fdecl.write(ret) + +for expr in exprs: + ret = "\n" + if expr.has_key('type'): + ret += generate_struct(expr['type'], "", expr['data']) + "\n" + ret += generate_type_cleanup_decl(expr['type']) + fdef.write(generate_type_cleanup(expr['type']) + "\n") + elif expr.has_key('union'): + ret += generate_union(expr['union'], expr['data']) + else: + continue + fdecl.write(ret) + +fdecl.write(''' +#endif +''') + +fdecl.flush() +fdecl.close() diff --git a/scripts/qapi-visit.py b/scripts/qapi-visit.py new file mode 100644 index 0000000000..252230ef25 --- /dev/null +++ b/scripts/qapi-visit.py @@ -0,0 +1,246 @@ +# +# QAPI visitor generator +# +# Copyright IBM, Corp. 2011 +# +# Authors: +# Anthony Liguori <aliguori@us.ibm.com> +# Michael Roth <mdroth@linux.vnet.ibm.com> +# +# This work is licensed under the terms of the GNU GPLv2. +# See the COPYING.LIB file in the top-level directory. + +from ordereddict import OrderedDict +from qapi import * +import sys +import os +import getopt +import errno + +def generate_visit_struct_body(field_prefix, members): + ret = "" + if len(field_prefix): + field_prefix = field_prefix + "." + for argname, argentry, optional, structured in parse_args(members): + if optional: + ret += mcgen(''' +visit_start_optional(m, (obj && *obj) ? &(*obj)->%(c_prefix)shas_%(c_name)s : NULL, "%(name)s", errp); +if ((*obj)->%(prefix)shas_%(c_name)s) { +''', + c_prefix=c_var(field_prefix), prefix=field_prefix, + c_name=c_var(argname), name=argname) + push_indent() + + if structured: + ret += mcgen(''' +visit_start_struct(m, NULL, "", "%(name)s", 0, errp); +''', + name=argname) + ret += generate_visit_struct_body(field_prefix + argname, argentry) + ret += mcgen(''' +visit_end_struct(m, errp); +''') + else: + ret += mcgen(''' +visit_type_%(type)s(m, (obj && *obj) ? &(*obj)->%(c_prefix)s%(c_name)s : NULL, "%(name)s", errp); +''', + c_prefix=c_var(field_prefix), prefix=field_prefix, + type=type_name(argentry), c_name=c_var(argname), + name=argname) + + if optional: + pop_indent() + ret += mcgen(''' +} +visit_end_optional(m, errp); +''') + return ret + +def generate_visit_struct(name, members): + ret = mcgen(''' + +void visit_type_%(name)s(Visitor *m, %(name)s ** obj, const char *name, Error **errp) +{ + visit_start_struct(m, (void **)obj, "%(name)s", name, sizeof(%(name)s), errp); +''', + name=name) + push_indent() + ret += generate_visit_struct_body("", members) + pop_indent() + + ret += mcgen(''' + visit_end_struct(m, errp); +} +''') + return ret + +def generate_visit_list(name, members): + return mcgen(''' + +void visit_type_%(name)sList(Visitor *m, %(name)sList ** obj, const char *name, Error **errp) +{ + GenericList *i; + + visit_start_list(m, name, errp); + + for (i = visit_next_list(m, (GenericList **)obj, errp); i; i = visit_next_list(m, &i, errp)) { + %(name)sList *native_i = (%(name)sList *)i; + visit_type_%(name)s(m, &native_i->value, NULL, errp); + } + + visit_end_list(m, errp); +} +''', + name=name) + +def generate_visit_enum(name, members): + return mcgen(''' + +void visit_type_%(name)s(Visitor *m, %(name)s * obj, const char *name, Error **errp) +{ + visit_type_enum(m, (int *)obj, %(name)s_lookup, "%(name)s", name, errp); +} +''', + name=name) + +def generate_visit_union(name, members): + ret = generate_visit_enum('%sKind' % name, members.keys()) + + ret += mcgen(''' + +void visit_type_%(name)s(Visitor *m, %(name)s ** obj, const char *name, Error **errp) +{ +} +''', + name=name) + + return ret + +def generate_declaration(name, members, genlist=True): + ret = mcgen(''' + +void visit_type_%(name)s(Visitor *m, %(name)s ** obj, const char *name, Error **errp); +''', + name=name) + + if genlist: + ret += mcgen(''' +void visit_type_%(name)sList(Visitor *m, %(name)sList ** obj, const char *name, Error **errp); +''', + name=name) + + return ret + +def generate_decl_enum(name, members, genlist=True): + return mcgen(''' + +void visit_type_%(name)s(Visitor *m, %(name)s * obj, const char *name, Error **errp); +''', + name=name) + +try: + opts, args = getopt.gnu_getopt(sys.argv[1:], "p:o:", ["prefix=", "output-dir="]) +except getopt.GetoptError, err: + print str(err) + sys.exit(1) + +output_dir = "" +prefix = "" +c_file = 'qapi-visit.c' +h_file = 'qapi-visit.h' + +for o, a in opts: + if o in ("-p", "--prefix"): + prefix = a + elif o in ("-o", "--output-dir"): + output_dir = a + "/" + +c_file = output_dir + prefix + c_file +h_file = output_dir + prefix + h_file + +try: + os.makedirs(output_dir) +except os.error, e: + if e.errno != errno.EEXIST: + raise + +fdef = open(c_file, 'w') +fdecl = open(h_file, 'w') + +fdef.write(mcgen(''' +/* THIS FILE IS AUTOMATICALLY GENERATED, DO NOT MODIFY */ + +/* + * schema-defined QAPI visitor functions + * + * 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 "%(header)s" +''', + header=basename(h_file))) + +fdecl.write(mcgen(''' +/* THIS FILE IS AUTOMATICALLY GENERATED, DO NOT MODIFY */ + +/* + * schema-defined QAPI visitor function + * + * 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 %(guard)s +#define %(guard)s + +#include "qapi/qapi-visit-core.h" +#include "%(prefix)sqapi-types.h" +''', + prefix=prefix, guard=guardname(h_file))) + +exprs = parse_schema(sys.stdin) + +for expr in exprs: + if expr.has_key('type'): + ret = generate_visit_struct(expr['type'], expr['data']) + ret += generate_visit_list(expr['type'], expr['data']) + fdef.write(ret) + + ret = generate_declaration(expr['type'], expr['data']) + fdecl.write(ret) + elif expr.has_key('union'): + ret = generate_visit_union(expr['union'], expr['data']) + fdef.write(ret) + + ret = generate_decl_enum('%sKind' % expr['union'], expr['data'].keys()) + ret += generate_declaration(expr['union'], expr['data']) + fdecl.write(ret) + elif expr.has_key('enum'): + ret = generate_visit_enum(expr['enum'], expr['data']) + fdef.write(ret) + + ret = generate_decl_enum(expr['enum'], expr['data']) + fdecl.write(ret) + +fdecl.write(''' +#endif +''') + +fdecl.flush() +fdecl.close() + +fdef.flush() +fdef.close() diff --git a/scripts/qapi.py b/scripts/qapi.py new file mode 100644 index 0000000000..56af2329bb --- /dev/null +++ b/scripts/qapi.py @@ -0,0 +1,203 @@ +# +# QAPI helper library +# +# Copyright IBM, Corp. 2011 +# +# Authors: +# Anthony Liguori <aliguori@us.ibm.com> +# +# This work is licensed under the terms of the GNU GPLv2. +# See the COPYING.LIB file in the top-level directory. + +from ordereddict import OrderedDict + +def tokenize(data): + while len(data): + if data[0] in ['{', '}', ':', ',', '[', ']']: + yield data[0] + data = data[1:] + elif data[0] in ' \n': + data = data[1:] + elif data[0] == "'": + data = data[1:] + string = '' + while data[0] != "'": + string += data[0] + data = data[1:] + data = data[1:] + yield string + +def parse(tokens): + if tokens[0] == '{': + ret = OrderedDict() + tokens = tokens[1:] + while tokens[0] != '}': + key = tokens[0] + tokens = tokens[1:] + + tokens = tokens[1:] # : + + value, tokens = parse(tokens) + + if tokens[0] == ',': + tokens = tokens[1:] + + ret[key] = value + tokens = tokens[1:] + return ret, tokens + elif tokens[0] == '[': + ret = [] + tokens = tokens[1:] + while tokens[0] != ']': + value, tokens = parse(tokens) + if tokens[0] == ',': + tokens = tokens[1:] + ret.append(value) + tokens = tokens[1:] + return ret, tokens + else: + return tokens[0], tokens[1:] + +def evaluate(string): + return parse(map(lambda x: x, tokenize(string)))[0] + +def parse_schema(fp): + exprs = [] + expr = '' + expr_eval = None + + for line in fp: + if line.startswith('#') or line == '\n': + continue + + if line.startswith(' '): + expr += line + elif expr: + expr_eval = evaluate(expr) + if expr_eval.has_key('enum'): + add_enum(expr_eval['enum']) + elif expr_eval.has_key('union'): + add_enum('%sKind' % expr_eval['union']) + exprs.append(expr_eval) + expr = line + else: + expr += line + + if expr: + expr_eval = evaluate(expr) + if expr_eval.has_key('enum'): + add_enum(expr_eval['enum']) + elif expr_eval.has_key('union'): + add_enum('%sKind' % expr_eval['union']) + exprs.append(expr_eval) + + return exprs + +def parse_args(typeinfo): + for member in typeinfo: + argname = member + argentry = typeinfo[member] + optional = False + structured = False + if member.startswith('*'): + argname = member[1:] + optional = True + if isinstance(argentry, OrderedDict): + structured = True + yield (argname, argentry, optional, structured) + +def de_camel_case(name): + new_name = '' + for ch in name: + if ch.isupper() and new_name: + new_name += '_' + if ch == '-': + new_name += '_' + else: + new_name += ch.lower() + return new_name + +def camel_case(name): + new_name = '' + first = True + for ch in name: + if ch in ['_', '-']: + first = True + elif first: + new_name += ch.upper() + first = False + else: + new_name += ch.lower() + return new_name + +def c_var(name): + return '_'.join(name.split('-')).lstrip("*") + +def c_list_type(name): + return '%sList' % name + +def type_name(name): + if type(name) == list: + return c_list_type(name[0]) + return name + +enum_types = [] + +def add_enum(name): + global enum_types + enum_types.append(name) + +def is_enum(name): + global enum_types + return (name in enum_types) + +def c_type(name): + if name == 'str': + return 'char *' + elif name == 'int': + return 'int64_t' + elif name == 'bool': + return 'bool' + elif name == 'number': + return 'double' + elif type(name) == list: + return '%s *' % c_list_type(name[0]) + elif is_enum(name): + return name + elif name == None or len(name) == 0: + return 'void' + elif name == name.upper(): + return '%sEvent *' % camel_case(name) + else: + return '%s *' % name + +def genindent(count): + ret = "" + for i in range(count): + ret += " " + return ret + +indent_level = 0 + +def push_indent(indent_amount=4): + global indent_level + indent_level += indent_amount + +def pop_indent(indent_amount=4): + global indent_level + indent_level -= indent_amount + +def cgen(code, **kwds): + indent = genindent(indent_level) + lines = code.split('\n') + lines = map(lambda x: indent + x, lines) + return '\n'.join(lines) % kwds + '\n' + +def mcgen(code, **kwds): + return cgen('\n'.join(code.split('\n')[1:-1]), **kwds) + +def basename(filename): + return filename.split("/")[-1] + +def guardname(filename): + return filename.replace("/", "_").replace("-", "_").split(".")[0].upper() |