#!/usr/bin/python # # esx_vi_generator.py: generates most of the SOAP type mapping code # # Copyright (C) 2010 Matthias Bolte # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # import sys import os import os.path OCCURRENCE__REQUIRED_ITEM = "r" OCCURRENCE__REQUIRED_LIST = "rl" OCCURRENCE__OPTIONAL_ITEM = "o" OCCURRENCE__OPTIONAL_LIST = "ol" OCCURRENCE__IGNORED = "i" valid_occurrences = [OCCURRENCE__REQUIRED_ITEM, OCCURRENCE__REQUIRED_LIST, OCCURRENCE__OPTIONAL_ITEM, OCCURRENCE__OPTIONAL_LIST, OCCURRENCE__IGNORED] class Parameter: autobind_map = { "FileManager" : "fileManager", "PerformanceManager" : "perfManager", "PropertyCollector" : "propertyCollector", "SearchIndex" : "searchIndex", "SessionManager" : "sessionManager", "VirtualDiskManager" : "virtualDiskManager" } def __init__(self, type, name, occurrence): self.type = type self.occurrence = occurrence if ':' in name and name.startswith("_this"): self.name, self.autobind_type = name.split(":") else: self.name = name self.autobind_type = None def is_enum(self): global predefined_enums global enums_by_name return self.type in predefined_enums or self.type in enums_by_name def generate_parameter(self, is_last = False, is_header = True, offset = 0): if self.occurrence == OCCURRENCE__IGNORED: raise ValueError("invalid function parameter occurrence value '%s'" % self.occurrence) elif self.autobind_type is not None: return "" else: string = " " string += " " * offset string += "%s%s" % (self.get_type_string(), self.name) if is_last: if is_header: string += "); " else: string += "), " else: string += ", " while len(string) < 59: string += " " return string + self.get_occurrence_comment() + "\n" def generate_return(self, offset = 0, end_of_line = ";"): if self.occurrence == OCCURRENCE__IGNORED: raise ValueError("invalid function parameter occurrence value '%s'" % self.occurrence) else: string = " " string += " " * offset string += "%s%s)%s" % (self.get_type_string(True), self.name, end_of_line) while len(string) < 59: string += " " return string + self.get_occurrence_comment() + "\n" def generate_require_code(self): if self.occurrence in [OCCURRENCE__REQUIRED_ITEM, OCCURRENCE__REQUIRED_LIST]: return " ESX_VI__METHOD__PARAMETER__REQUIRE(%s)\n" % self.name else: return "" def generate_serialize_code(self): if self.occurrence in [OCCURRENCE__REQUIRED_LIST, OCCURRENCE__OPTIONAL_LIST]: return " ESX_VI__METHOD__PARAMETER__SERIALIZE_LIST(%s, %s)\n" % (self.type, self.name) elif self.type == "String": return " ESX_VI__METHOD__PARAMETER__SERIALIZE_VALUE(String, %s)\n" % self.name else: return " ESX_VI__METHOD__PARAMETER__SERIALIZE(%s, %s)\n" % (self.type, self.name) def get_type_string(self, as_return_value = False): string = "" if self.type == "String" and \ self.occurrence not in [OCCURRENCE__REQUIRED_LIST, OCCURRENCE__OPTIONAL_LIST]: if as_return_value: string += "char *" else: string += "const char *" elif self.is_enum(): string += "esxVI_%s " % self.type else: string += "esxVI_%s *" % self.type if as_return_value: string += "*" return string def get_occurrence_comment(self): if self.occurrence == OCCURRENCE__REQUIRED_ITEM: return "/* required */" elif self.occurrence == OCCURRENCE__REQUIRED_LIST: return "/* required, list */" elif self.occurrence == OCCURRENCE__OPTIONAL_ITEM: return "/* optional */" elif self.occurrence == OCCURRENCE__OPTIONAL_LIST: return "/* optional, list */" raise ValueError("unknown occurrence value '%s'" % self.occurrence) def get_occurrence_short_enum(self): if self.occurrence == OCCURRENCE__REQUIRED_ITEM: return "RequiredItem" elif self.occurrence == OCCURRENCE__REQUIRED_LIST: return "RequiredList" elif self.occurrence == OCCURRENCE__OPTIONAL_ITEM: return "OptionalItem" elif self.occurrence == OCCURRENCE__OPTIONAL_LIST: return "OptionalList" raise ValueError("unknown occurrence value '%s'" % self.occurrence) class Method: def __init__(self, name, parameters, returns): self.name = name self.parameters = [] self.autobind_parameter = None self.returns = returns for parameter in parameters: if parameter.autobind_type is None: self.parameters.append(parameter) else: self.autobind_parameter = parameter def generate_header(self): header = "int esxVI_%s\n" % self.name header += " (esxVI_Context *ctx" if len(self.parameters) > 0 or self.returns is not None: header += ",\n" for parameter in self.parameters[:-1]: header += parameter.generate_parameter() if self.returns is None: header += self.parameters[-1].generate_parameter(is_last = True) else: header += self.parameters[-1].generate_parameter() header += self.returns.generate_return() else: header += ");\n" header += "\n" return header def generate_source(self): source = "/* esxVI_%s */\n" % self.name source += "ESX_VI__METHOD(%s," % self.name if self.autobind_parameter is not None: source += " %s,\n" % Parameter.autobind_map[self.autobind_parameter.autobind_type] else: source += " /* explicit _this */,\n" source += " (esxVI_Context *ctx" if len(self.parameters) > 0 or self.returns is not None: source += ",\n" for parameter in self.parameters[:-1]: source += parameter.generate_parameter(is_header = False, offset = 9) if self.returns is None: source += self.parameters[-1].generate_parameter(is_last = True, is_header = False, offset = 9) else: source += self.parameters[-1].generate_parameter(is_header = False, offset = 9) source += self.returns.generate_return(offset = 9, end_of_line = ",") else: source += "),\n" if self.returns is None: source += " void, /* nothing */, None,\n" elif self.returns.type == "String": source += " String, Value, %s,\n" % self.returns.get_occurrence_short_enum() else: source += " %s, /* nothing */, %s,\n" % (self.returns.type, self.returns.get_occurrence_short_enum()) source += "{\n" if self.autobind_parameter is not None: source += self.autobind_parameter.generate_require_code() for parameter in self.parameters: source += parameter.generate_require_code() source += "},\n" source += "{\n" if self.autobind_parameter is not None: source += self.autobind_parameter.generate_serialize_code() for parameter in self.parameters: source += parameter.generate_serialize_code() source += "})\n\n\n\n" return source class Property: def __init__(self, type, name, occurrence): self.type = type self.name = name self.occurrence = occurrence def is_enum(self): global predefined_enums global enums_by_name return self.type in predefined_enums or self.type in enums_by_name def generate_struct_member(self): if self.occurrence == OCCURRENCE__IGNORED: return " /* FIXME: %s is currently ignored */\n" % self.name else: string = " %s%s; " % (self.get_type_string(), self.name) while len(string) < 59: string += " " return string + self.get_occurrence_comment() + "\n" def generate_free_code(self): if self.type == "String" and \ self.occurrence not in [OCCURRENCE__REQUIRED_LIST, OCCURRENCE__OPTIONAL_LIST, OCCURRENCE__IGNORED]: return " VIR_FREE(item->%s);\n" % self.name elif self.is_enum(): return "" else: if self.occurrence == OCCURRENCE__IGNORED: return " /* FIXME: %s is currently ignored */\n" % self.name else: return " esxVI_%s_Free(&item->%s);\n" % (self.type, self.name) def generate_validate_code(self): if self.occurrence in [OCCURRENCE__REQUIRED_ITEM, OCCURRENCE__REQUIRED_LIST]: return " ESX_VI__TEMPLATE__PROPERTY__REQUIRE(%s)\n" % self.name elif self.occurrence == OCCURRENCE__IGNORED: return " /* FIXME: %s is currently ignored */\n" % self.name else: return "" def generate_deep_copy_code(self): if self.occurrence == OCCURRENCE__IGNORED: return " /* FIXME: %s is currently ignored */\n" % self.name elif self.occurrence in [OCCURRENCE__REQUIRED_LIST, OCCURRENCE__OPTIONAL_LIST]: return " ESX_VI__TEMPLATE__PROPERTY__DEEP_COPY_LIST(%s, %s)\n" % (self.type, self.name) elif self.type == "String": return " ESX_VI__TEMPLATE__PROPERTY__DEEP_COPY_VALUE(String, %s)\n" % self.name elif self.is_enum(): return " (*dest)->%s = src->%s;\n" % (self.name, self.name) else: return " ESX_VI__TEMPLATE__PROPERTY__DEEP_COPY(%s, %s)\n" % (self.type, self.name) def generate_serialize_code(self): if self.occurrence == OCCURRENCE__IGNORED: return " /* FIXME: %s is currently ignored */\n" % self.name elif self.occurrence in [OCCURRENCE__REQUIRED_LIST, OCCURRENCE__OPTIONAL_LIST]: return " ESX_VI__TEMPLATE__PROPERTY__SERIALIZE_LIST(%s, %s)\n" % (self.type, self.name) elif self.type == "String": return " ESX_VI__TEMPLATE__PROPERTY__SERIALIZE_VALUE(String, %s)\n" % self.name else: return " ESX_VI__TEMPLATE__PROPERTY__SERIALIZE(%s, %s)\n" % (self.type, self.name) def generate_deserialize_code(self): if self.occurrence == OCCURRENCE__IGNORED: return " ESX_VI__TEMPLATE__PROPERTY__DESERIALIZE_IGNORE(%s) /* FIXME */\n" % self.name elif self.occurrence in [OCCURRENCE__REQUIRED_LIST, OCCURRENCE__OPTIONAL_LIST]: return " ESX_VI__TEMPLATE__PROPERTY__DESERIALIZE_LIST(%s, %s)\n" % (self.type, self.name) elif self.type == "String": return " ESX_VI__TEMPLATE__PROPERTY__DESERIALIZE_VALUE(String, %s)\n" % self.name else: return " ESX_VI__TEMPLATE__PROPERTY__DESERIALIZE(%s, %s)\n" % (self.type, self.name) def get_type_string(self): if self.type == "String" and \ self.occurrence not in [OCCURRENCE__REQUIRED_LIST, OCCURRENCE__OPTIONAL_LIST]: return "char *" elif self.is_enum(): return "esxVI_%s " % self.type else: return "esxVI_%s *" % self.type def get_occurrence_comment(self): if self.occurrence == OCCURRENCE__REQUIRED_ITEM: return "/* required */" elif self.occurrence == OCCURRENCE__REQUIRED_LIST: return "/* required, list */" elif self.occurrence == OCCURRENCE__OPTIONAL_ITEM: return "/* optional */" elif self.occurrence == OCCURRENCE__OPTIONAL_LIST: return "/* optional, list */" raise ValueError("unknown occurrence value '%s'" % self.occurrence) class Object: FEATURE__DYNAMIC_CAST = (1 << 1) FEATURE__LIST = (1 << 2) FEATURE__DEEP_COPY = (1 << 3) FEATURE__ANY_TYPE = (1 << 4) FEATURE__SERIALIZE = (1 << 5) FEATURE__DESERIALIZE = (1 << 6) def __init__(self, name, extends, properties, features = 0, extended_by = None): self.name = name self.extends = extends self.features = features | Object.FEATURE__SERIALIZE | Object.FEATURE__DESERIALIZE self.properties = properties self.extended_by = extended_by if self.extended_by is not None: self.extended_by.sort(); def generate_struct_members(self, add_banner = False, struct_gap = False): global objects_by_name members = "" if self.extends is None: struct_gap = True string = " esxVI_Type _type; " while len(string) < 59: string += " " members += string + "/* required */\n" if struct_gap and self.extends is None: members += "\n" if self.extends is not None: members += objects_by_name[self.extends].generate_struct_members(add_banner = True, struct_gap = False) + "\n" if self.extends is not None or add_banner: members += " /* %s */\n" % self.name for property in self.properties: members += property.generate_struct_member() if len(self.properties) < 1: members += " /* no properties */\n" return members def generate_free_code(self, add_banner = False): global objects_by_name source = "" if self.extends is not None: source += objects_by_name[self.extends].generate_free_code(add_banner = True) + "\n" if self.extends is not None or add_banner: source += " /* %s */\n" % self.name if len(self.properties) < 1: source += " /* no properties */\n" else: string = "" for property in self.properties: string += property.generate_free_code() if len(string) < 1: source += " /* no properties to be freed */\n" else: source += string return source def generate_validate_code(self, add_banner = False): global objects_by_name source = "" if self.extends is not None: source += objects_by_name[self.extends].generate_validate_code(add_banner = True) + "\n" if self.extends is not None or add_banner: source += " /* %s */\n" % self.name if len(self.properties) < 1: source += " /* no properties */\n" else: string = "" for property in self.properties: string += property.generate_validate_code() if len(string) < 1: source += " /* no required properties */\n" else: source += string return source def generate_dynamic_cast_code(self, is_first = True): global objects_by_name source = "" if self.extended_by is not None: if not is_first: source += "\n" source += " /* %s */\n" % self.name for extended_by in self.extended_by: source += " ESX_VI__TEMPLATE__DYNAMIC_CAST__ACCEPT(%s)\n" % extended_by for extended_by in self.extended_by: source += objects_by_name[extended_by].generate_dynamic_cast_code(False) return source def generate_deep_copy_code(self, add_banner = False): global objects_by_name source = "" if self.extends is not None: source += objects_by_name[self.extends].generate_deep_copy_code(add_banner = True) + "\n" if self.extends is not None or add_banner: source += " /* %s */\n" % self.name if len(self.properties) < 1: source += " /* no properties */\n" else: string = "" for property in self.properties: string += property.generate_deep_copy_code() if len(string) < 1: source += " /* no properties to be deep copied */\n" else: source += string return source def generate_serialize_code(self, add_banner = False): global objects_by_name source = "" if self.extends is not None: source += objects_by_name[self.extends].generate_serialize_code(add_banner = True) + "\n" if self.extends is not None or add_banner: source += " /* %s */\n" % self.name if len(self.properties) < 1: source += " /* no properties */\n" else: for property in self.properties: source += property.generate_serialize_code() return source def generate_deserialize_code(self, add_banner = False): global objects_by_name source = "" if self.extends is not None: source += objects_by_name[self.extends].generate_deserialize_code(add_banner = True) + "\n" if self.extends is not None or add_banner: source += " /* %s */\n" % self.name if len(self.properties) < 1: source += " /* no properties */\n" else: for property in self.properties: source += property.generate_deserialize_code() return source def generate_typedef(self): return "typedef struct _esxVI_%s esxVI_%s;\n" % (self.name, self.name) def generate_typeenum(self): return " esxVI_Type_%s,\n" % self.name def generate_typetostring(self): string = " case esxVI_Type_%s:\n" % self.name string += " return \"%s\";\n\n" % self.name return string def generate_typefromstring(self): string = " else if (STREQ(type, \"%s\")) {\n" % self.name string += " return esxVI_Type_%s;\n" % self.name string += " }\n" return string def generate_header(self): header = "/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\n" header += " * VI Type: %s\n" % self.name if self.extends is not None: header += " * extends %s\n" % self.extends first = True if self.extended_by is not None: for extended_by in self.extended_by: if first: header += " * extended by %s\n" % extended_by first = False else: header += " * %s\n" % extended_by header += " */\n\n" # struct header += "struct _esxVI_%s {\n" % self.name if self.features & Object.FEATURE__LIST: string = " esxVI_%s *_next; " % self.name else: string = " esxVI_%s *_unused; " % self.name while len(string) < 59: string += " " header += string + "/* optional */\n" header += self.generate_struct_members(struct_gap = True) header += "};\n\n" # functions header += "int esxVI_%s_Alloc(esxVI_%s **item);\n" % (self.name, self.name) header += "void esxVI_%s_Free(esxVI_%s **item);\n" % (self.name, self.name) header += "int esxVI_%s_Validate(esxVI_%s *item);\n" % (self.name, self.name) if self.features & Object.FEATURE__DYNAMIC_CAST: if self.extended_by is not None or self.extends is not None: header += "esxVI_%s *esxVI_%s_DynamicCast(void *item);\n" % (self.name, self.name) else: report_error("cannot add dynamic cast support for an untyped object") if self.features & Object.FEATURE__LIST: header += "int esxVI_%s_AppendToList(esxVI_%s **list, esxVI_%s *item);\n" % (self.name, self.name, self.name) if self.features & Object.FEATURE__DEEP_COPY: header += "int esxVI_%s_DeepCopy(esxVI_%s **dst, esxVI_%s *src);\n" % (self.name, self.name, self.name) if self.features & Object.FEATURE__LIST: header += "int esxVI_%s_DeepCopyList(esxVI_%s **dstList, esxVI_%s *srcList);\n" % (self.name, self.name, self.name) if self.features & Object.FEATURE__ANY_TYPE: header += "int esxVI_%s_CastFromAnyType(esxVI_AnyType *anyType, esxVI_%s **item);\n" % (self.name, self.name) if self.features & Object.FEATURE__LIST: header += "int esxVI_%s_CastListFromAnyType(esxVI_AnyType *anyType, esxVI_%s **list);\n" % (self.name, self.name) if self.features & Object.FEATURE__SERIALIZE: header += "int esxVI_%s_Serialize(esxVI_%s *item, const char *element, virBufferPtr output);\n" % (self.name, self.name) if self.features & Object.FEATURE__LIST: header += "int esxVI_%s_SerializeList(esxVI_%s *list, const char *element, virBufferPtr output);\n" % (self.name, self.name) if self.features & Object.FEATURE__DESERIALIZE: header += "int esxVI_%s_Deserialize(xmlNodePtr node, esxVI_%s **item);\n" % (self.name, self.name) if self.features & Object.FEATURE__LIST: header += "int esxVI_%s_DeserializeList(xmlNodePtr node, esxVI_%s **list);\n" % (self.name, self.name) header += "\n\n\n" return header def generate_source(self): source = "/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\n" source += " * VI Type: %s\n" % self.name if self.extends is not None: source += " * extends %s\n" % self.extends first = True if self.extended_by is not None: for extended_by in self.extended_by: if first: source += " * extended by %s\n" % extended_by first = False else: source += " * %s\n" % extended_by source += " */\n\n" # functions source += "/* esxVI_%s_Alloc */\n" % self.name source += "ESX_VI__TEMPLATE__ALLOC(%s)\n\n" % self.name # free if self.extended_by is None: source += "/* esxVI_%s_Free */\n" % self.name source += "ESX_VI__TEMPLATE__FREE(%s,\n" % self.name source += "{\n" if self.features & Object.FEATURE__LIST: if self.extends is not None: # avoid "dereferencing type-punned pointer will break strict-aliasing rules" warnings source += " esxVI_%s *next = (esxVI_%s *)item->_next;\n\n" % (self.extends, self.extends) source += " esxVI_%s_Free(&next);\n" % self.extends source += " item->_next = (esxVI_%s *)next;\n\n" % self.name else: source += " esxVI_%s_Free(&item->_next);\n\n" % self.name source += self.generate_free_code() source += "})\n\n" else: source += "/* esxVI_%s_Free */\n" % self.name source += "ESX_VI__TEMPLATE__DYNAMIC_FREE(%s,\n" % self.name source += "{\n" for extended_by in self.extended_by: source += " ESX_VI__TEMPLATE__DISPATCH__FREE(%s)\n" % extended_by source += "},\n" source += "{\n" if self.features & Object.FEATURE__LIST: if self.extends is not None: # avoid "dereferencing type-punned pointer will break strict-aliasing rules" warnings source += " esxVI_%s *next = (esxVI_%s *)item->_next;\n\n" % (self.extends, self.extends) source += " esxVI_%s_Free(&next);\n" % self.extends source += " item->_next = (esxVI_%s *)next;\n\n" % self.name else: source += " esxVI_%s_Free(&item->_next);\n\n" % self.name source += self.generate_free_code() source += "})\n\n" # validate source += "/* esxVI_%s_Validate */\n" % self.name source += "ESX_VI__TEMPLATE__VALIDATE(%s,\n" % self.name source += "{\n" source += self.generate_validate_code() source += "})\n\n" # dynamic cast if self.features & Object.FEATURE__DYNAMIC_CAST: if self.extended_by is not None or self.extends is not None: source += "/* esxVI_%s_DynamicCast */\n" % self.name source += "ESX_VI__TEMPLATE__DYNAMIC_CAST(%s,\n" % self.name source += "{\n" source += self.generate_dynamic_cast_code() source += "})\n\n" else: report_error("cannot add dynamic cast support for an untyped object") # append to list if self.features & Object.FEATURE__LIST: source += "/* esxVI_%s_AppendToList */\n" % self.name source += "ESX_VI__TEMPLATE__LIST__APPEND(%s)\n\n" % self.name # deep copy if self.extended_by is None: if self.features & Object.FEATURE__DEEP_COPY: source += "/* esxVI_%s_DeepCopy */\n" % self.name source += "ESX_VI__TEMPLATE__DEEP_COPY(%s,\n" % self.name source += "{\n" source += self.generate_deep_copy_code() source += "})\n\n" if self.features & Object.FEATURE__LIST: source += "/* esxVI_%s_DeepCopyList */\n" % self.name source += "ESX_VI__TEMPLATE__LIST__DEEP_COPY(%s)\n\n" % self.name else: if self.features & Object.FEATURE__DEEP_COPY: source += "/* esxVI_%s_DeepCopy */\n" % self.name source += "ESX_VI__TEMPLATE__DYNAMIC_DEEP_COPY(%s)\n" % self.name source += "{\n" for extended_by in self.extended_by: source += " ESX_VI__TEMPLATE__DISPATCH__DEEP_COPY(%s)\n" % extended_by source += "},\n" source += "{\n" source += self.generate_deep_copy_code() source += "})\n\n" if self.features & Object.FEATURE__LIST: source += "/* esxVI_%s_DeepCopyList */\n" % self.name source += "ESX_VI__TEMPLATE__LIST__DEEP_COPY(%s)\n\n" % self.name # cast from any type if self.features & Object.FEATURE__ANY_TYPE: source += "/* esxVI_%s_CastFromAnyType */\n" % self.name source += "ESX_VI__TEMPLATE__CAST_FROM_ANY_TYPE(%s,\n" % self.name if self.extended_by is None: source += "{\n" source += "})\n\n" else: source += "{\n" for extended_by in self.extended_by: source += " ESX_VI__TEMPLATE__DISPATCH__CAST_FROM_ANY_TYPE(%s)\n" % extended_by source += "})\n\n" if self.features & Object.FEATURE__LIST: source += "/* esxVI_%s_CastListFromAnyType */\n" % self.name source += "ESX_VI__TEMPLATE__LIST__CAST_FROM_ANY_TYPE(%s)\n\n" % self.name # serialize if self.extended_by is None: if self.features & Object.FEATURE__SERIALIZE: source += "/* esxVI_%s_Serialize */\n" % self.name source += "ESX_VI__TEMPLATE__SERIALIZE(%s,\n" % self.name source += "{\n" source += self.generate_serialize_code() source += "})\n\n" if self.features & Object.FEATURE__LIST: source += "/* esxVI_%s_SerializeList */\n" % self.name source += "ESX_VI__TEMPLATE__LIST__SERIALIZE(%s)\n\n" % self.name else: if self.features & Object.FEATURE__SERIALIZE: source += "/* esxVI_%s_Serialize */\n" % self.name source += "ESX_VI__TEMPLATE__DYNAMIC_SERIALIZE(%s,\n" % self.name source += "{\n" for extended_by in self.extended_by: source += " ESX_VI__TEMPLATE__DISPATCH__SERIALIZE(%s)\n" % extended_by source += "},\n" source += "{\n" source += self.generate_serialize_code() source += "})\n\n" if self.features & Object.FEATURE__LIST: source += "/* esxVI_%s_SerializeList */\n" % self.name source += "ESX_VI__TEMPLATE__LIST__SERIALIZE(%s)\n\n" % self.name # deserilaize if self.extended_by is None: if self.features & Object.FEATURE__DESERIALIZE: source += "/* esxVI_%s_Deserialize */\n" % self.name source += "ESX_VI__TEMPLATE__DESERIALIZE(%s,\n" % self.name source += "{\n" source += self.generate_deserialize_code() source += "})\n\n" if self.features & Object.FEATURE__LIST: source += "/* esxVI_%s_DeserializeList */\n" % self.name source += "ESX_VI__TEMPLATE__LIST__DESERIALIZE(%s)\n\n" % self.name else: if self.features & Object.FEATURE__DESERIALIZE: source += "/* esxVI_%s_Deserialize */\n" % self.name source += "ESX_VI__TEMPLATE__DYNAMIC_DESERIALIZE(%s,\n" % self.name source += "{\n" for extended_by in self.extended_by: source += " ESX_VI__TEMPLATE__DISPATCH__DESERIALIZE(%s)\n" % extended_by source += "},\n" source += "{\n" source += self.generate_deserialize_code() source += "})\n\n" if self.features & Object.FEATURE__LIST: source += "/* esxVI_%s_DeserializeList */\n" % self.name source += "ESX_VI__TEMPLATE__LIST__DESERIALIZE(%s)\n\n" % self.name source += "\n\n" return source class Enum: FEATURE__ANY_TYPE = (1 << 1) FEATURE__SERIALIZE = (1 << 2) FEATURE__DESERIALIZE = (1 << 3) def __init__(self, name, values, features = 0): self.name = name self.values = values self.features = features | Enum.FEATURE__SERIALIZE | Enum.FEATURE__DESERIALIZE def generate_typedef(self): return "typedef enum _esxVI_%s esxVI_%s;\n" % (self.name, self.name) def generate_typeenum(self): return " esxVI_Type_%s,\n" % self.name def generate_typetostring(self): string = " case esxVI_Type_%s:\n" % self.name string += " return \"%s\";\n\n" % self.name return string def generate_typefromstring(self): string = " else if (STREQ(type, \"%s\")) {\n" % self.name string += " return esxVI_Type_%s;\n" % self.name string += " }\n" return string def generate_header(self): header = "/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\n" header += " * VI Enum: %s\n" % self.name header += " */\n\n" # enum header += "enum _esxVI_%s {\n" % self.name header += " esxVI_%s_Undefined = 0,\n" % self.name for value in self.values: header += " esxVI_%s_%s,\n" % (self.name, capitalize_first(value)) header += "};\n\n" # functions if self.features & Enum.FEATURE__ANY_TYPE: header += "int esxVI_%s_CastFromAnyType(esxVI_AnyType *anyType, esxVI_%s *item);\n" % (self.name, self.name) if self.features & Enum.FEATURE__SERIALIZE: header += "int esxVI_%s_Serialize(esxVI_%s item, const char *element, virBufferPtr output);\n" % (self.name, self.name) if self.features & Enum.FEATURE__DESERIALIZE: header += "int esxVI_%s_Deserialize(xmlNodePtr node, esxVI_%s *item);\n" % (self.name, self.name) header += "\n\n\n" return header def generate_source(self): source = "/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\n" source += " * VI Enum: %s\n" % self.name source += " */\n\n" source += "static const esxVI_Enumeration _esxVI_%s_Enumeration = {\n" % self.name source += " esxVI_Type_%s, {\n" % self.name for value in self.values: source += " { \"%s\", esxVI_%s_%s },\n" % (value, self.name, capitalize_first(value)) source += " { NULL, -1 },\n" source += " },\n" source += "};\n\n" # functions if self.features & Enum.FEATURE__ANY_TYPE: source += "/* esxVI_%s_CastFromAnyType */\n" % self.name source += "ESX_VI__TEMPLATE__ENUMERATION__CAST_FROM_ANY_TYPE(%s)\n\n" % self.name if self.features & Enum.FEATURE__SERIALIZE: source += "/* esxVI_%s_Serialize */\n" % self.name source += "ESX_VI__TEMPLATE__ENUMERATION__SERIALIZE(%s)\n\n" % self.name if self.features & Enum.FEATURE__DESERIALIZE: source += "/* esxVI_%s_Deserialize */\n" % self.name source += "ESX_VI__TEMPLATE__ENUMERATION__DESERIALIZE(%s)\n\n" % self.name source += "\n\n" return source def report_error(message): print "error: " + message sys.exit(1) def capitalize_first(string): return string[:1].upper() + string[1:] def parse_object(block): # expected format: object [extends ] header_items = block[0][1].split() if len(header_items) < 2: report_error("line %d: invalid block header" % (number)) assert header_items[0] == "object" name = header_items[1] extends = None if len(header_items) > 2: if header_items[2] != "extends": report_error("line %d: invalid block header" % (number)) else: extends = header_items[3] properties = [] for line in block[1:]: # expected format: items = line[1].split() if len(items) != 3: report_error("line %d: invalid property" % line[0]) if items[2] not in valid_occurrences: report_error("line %d: invalid occurrence" % line[0]) properties.append(Property(type = items[0], name = items[1], occurrence = items[2])) return Object(name = name, extends = extends, properties = properties) def parse_enum(block): # expected format: enum header_items = block[0][1].split() if len(header_items) < 2: report_error("line %d: invalid block header" % (number)) assert header_items[0] == "enum" name = header_items[1] values = [] for line in block[1:]: # expected format: values.append(line[1]) return Enum(name = name, values = values) def parse_method(block): # expected format: method [returns ] header_items = block[0][1].split() if len(header_items) < 2: report_error("line %d: invalid block header" % (number)) assert header_items[0] == "method" name = header_items[1] returns = None if len(header_items) > 2: if header_items[2] != "returns": report_error("line %d: invalid block header" % (number)) else: returns = Parameter(type = header_items[3], name = "output", occurrence = header_items[4]) parameters = [] for line in block[1:]: # expected format: items = line[1].split() if len(items) != 3: report_error("line %d: invalid property" % line[0]) if items[2] not in valid_occurrences: report_error("line %d: invalid occurrence" % line[0]) parameters.append(Parameter(type = items[0], name = items[1], occurrence = items[2])) return Method(name = name, parameters = parameters, returns = returns) def inherit_features(obj): if obj.extended_by is not None: for extended_by in obj.extended_by: objects_by_name[extended_by].features |= obj.features if obj.extends is not None: objects_by_name[obj.extends].features |= obj.features if obj.extended_by is not None: for extended_by in obj.extended_by: inherit_features(objects_by_name[extended_by]) def is_known_type(type): return type in predefined_objects or \ type in predefined_enums or \ type in objects_by_name or \ type in enums_by_name def open_and_print(filename): if filename.startswith("./"): print " GEN " + filename[2:] else: print " GEN " + filename return open(filename, "wb") predefined_enums = ["Boolean"] predefined_objects = ["AnyType", "Int", "Long", "String", "DateTime", "ManagedObjectReference"] additional_enum_features = { "ManagedEntityStatus" : Enum.FEATURE__ANY_TYPE, "TaskInfoState" : Enum.FEATURE__ANY_TYPE, "VirtualMachinePowerState" : Enum.FEATURE__ANY_TYPE } additional_object_features = { "DatastoreHostMount" : Object.FEATURE__DEEP_COPY | Object.FEATURE__LIST | Object.FEATURE__ANY_TYPE, "DatastoreInfo" : Object.FEATURE__ANY_TYPE | Object.FEATURE__DYNAMIC_CAST, "Event" : Object.FEATURE__LIST, "FileInfo" : Object.FEATURE__DYNAMIC_CAST, "FileQuery" : Object.FEATURE__DYNAMIC_CAST, "HostCpuIdInfo" : Object.FEATURE__ANY_TYPE | Object.FEATURE__LIST, "HostDatastoreBrowserSearchResults" : Object.FEATURE__LIST | Object.FEATURE__ANY_TYPE, "ManagedObjectReference" : Object.FEATURE__ANY_TYPE, "ObjectContent" : Object.FEATURE__DEEP_COPY | Object.FEATURE__LIST, "PerfCounterInfo" : Object.FEATURE__LIST, "PerfEntityMetric" : Object.FEATURE__LIST | Object.FEATURE__DYNAMIC_CAST, "PerfQuerySpec" : Object.FEATURE__LIST, "PerfMetricIntSeries" : Object.FEATURE__DYNAMIC_CAST, "PropertyFilterSpec" : Object.FEATURE__LIST, "ResourcePoolResourceUsage" : Object.FEATURE__ANY_TYPE, "SelectionSpec" : Object.FEATURE__DYNAMIC_CAST, "SharesInfo" : Object.FEATURE__ANY_TYPE, "TaskInfo" : Object.FEATURE__ANY_TYPE | Object.FEATURE__LIST, "UserSession" : Object.FEATURE__ANY_TYPE, "VirtualDiskSpec" : Object.FEATURE__DYNAMIC_CAST, "VirtualMachineQuestionInfo" : Object.FEATURE__ANY_TYPE, "VirtualMachineSnapshotTree" : Object.FEATURE__DEEP_COPY | Object.FEATURE__ANY_TYPE } removed_object_features = { "DynamicProperty" : Object.FEATURE__SERIALIZE, "ObjectContent" : Object.FEATURE__SERIALIZE, "ObjectUpdate" : Object.FEATURE__SERIALIZE, "PropertyChange" : Object.FEATURE__SERIALIZE, "PropertyFilterUpdate" : Object.FEATURE__SERIALIZE, "TaskInfo" : Object.FEATURE__SERIALIZE, "UpdateSet" : Object.FEATURE__SERIALIZE, "VirtualMachineConfigInfo" : Object.FEATURE__SERIALIZE, "VirtualMachineSnapshotTree" : Object.FEATURE__SERIALIZE } if "srcdir" in os.environ: input_filename = os.path.join(os.environ["srcdir"], "esx/esx_vi_generator.input") output_dirname = os.path.join(os.environ["srcdir"], "esx") else: input_filename = os.path.join(os.getcwd(), "esx_vi_generator.input") output_dirname = os.getcwd() types_typedef = open_and_print(os.path.join(output_dirname, "esx_vi_types.generated.typedef")) types_typeenum = open_and_print(os.path.join(output_dirname, "esx_vi_types.generated.typeenum")) types_typetostring = open_and_print(os.path.join(output_dirname, "esx_vi_types.generated.typetostring")) types_typefromstring = open_and_print(os.path.join(output_dirname, "esx_vi_types.generated.typefromstring")) types_header = open_and_print(os.path.join(output_dirname, "esx_vi_types.generated.h")) types_source = open_and_print(os.path.join(output_dirname, "esx_vi_types.generated.c")) methods_header = open_and_print(os.path.join(output_dirname, "esx_vi_methods.generated.h")) methods_source = open_and_print(os.path.join(output_dirname, "esx_vi_methods.generated.c")) number = 0 objects_by_name = {} enums_by_name = {} methods_by_name = {} block = None for line in file(input_filename, "rb").readlines(): number += 1 if "#" in line: line = line[:line.index("#")] line = line.lstrip().rstrip() if len(line) < 1: continue if line.startswith("object") or line.startswith("enum") or line.startswith("method"): if block is not None: report_error("line %d: nested block found" % (number)) else: block = [] if block is not None: if line == "end": if block[0][1].startswith("object"): obj = parse_object(block) objects_by_name[obj.name] = obj elif block[0][1].startswith("enum"): enum = parse_enum(block) enums_by_name[enum.name] = enum else: method = parse_method(block) methods_by_name[method.name] = method block = None else: block.append((number, line)) for enum in enums_by_name.values(): # apply additional features if enum.name in additional_enum_features: enum.features |= additional_enum_features[enum.name] for obj in objects_by_name.values(): for property in obj.properties: if property.occurrence != OCCURRENCE__IGNORED and \ not is_known_type(property.type): report_error("object '%s' contains unknown property type '%s'" % (obj.name, property.type)) if obj.extends is not None: if not is_known_type(obj.extends): report_error("object '%s' extends unknown object '%s'" % (obj.name, obj.extends)) # detect list usage for property in obj.properties: if (property.occurrence == OCCURRENCE__REQUIRED_LIST or \ property.occurrence == OCCURRENCE__OPTIONAL_LIST) and \ property.type not in predefined_objects: objects_by_name[property.type].features |= Object.FEATURE__LIST # apply/remove additional features if obj.name in additional_object_features: obj.features |= additional_object_features[obj.name] if obj.name in removed_object_features: obj.features &= ~removed_object_features[obj.name] # spread deep copy onto properties if obj.features & Object.FEATURE__DEEP_COPY: for property in obj.properties: if property.occurrence != OCCURRENCE__IGNORED and \ property.type not in predefined_objects and \ property.type in objects_by_name: objects_by_name[property.type].features |= Object.FEATURE__DEEP_COPY # detect extended_by relation if obj.extends is not None: extended_obj = objects_by_name[obj.extends] if extended_obj.extended_by is None: extended_obj.extended_by = [obj.name] else: extended_obj.extended_by.append(obj.name) extended_obj.extended_by.sort() for obj in objects_by_name.values(): inherit_features(obj) types_typedef.write("/* Generated by esx_vi_generator.py */\n\n\n\n") types_typeenum.write("/* Generated by esx_vi_generator.py */\n\n") types_typetostring.write("/* Generated by esx_vi_generator.py */\n\n") types_typefromstring.write("/* Generated by esx_vi_generator.py */\n\n") types_header.write("/* Generated by esx_vi_generator.py */\n\n\n\n") types_source.write("/* Generated by esx_vi_generator.py */\n\n\n\n") methods_header.write("/* Generated by esx_vi_generator.py */\n\n\n\n") methods_source.write("/* Generated by esx_vi_generator.py */\n\n\n\n") # output enums types_typedef.write("/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\n" + " * VI Enums\n" + " */\n\n") names = enums_by_name.keys() names.sort() for name in names: types_typedef.write(enums_by_name[name].generate_typedef()) types_typeenum.write(enums_by_name[name].generate_typeenum()) types_typetostring.write(enums_by_name[name].generate_typetostring()) types_typefromstring.write(enums_by_name[name].generate_typefromstring()) types_header.write(enums_by_name[name].generate_header()) types_source.write(enums_by_name[name].generate_source()) # output objects types_typedef.write("\n\n\n" + "/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\n" + " * VI Types\n" + " */\n\n") types_typeenum.write("\n") types_typetostring.write("\n") types_typefromstring.write("\n") names = objects_by_name.keys() names.sort() for name in names: types_typedef.write(objects_by_name[name].generate_typedef()) types_typeenum.write(objects_by_name[name].generate_typeenum()) types_typetostring.write(objects_by_name[name].generate_typetostring()) types_typefromstring.write(objects_by_name[name].generate_typefromstring()) types_header.write(objects_by_name[name].generate_header()) types_source.write(objects_by_name[name].generate_source()) # output methods names = methods_by_name.keys() names.sort() for name in names: methods_header.write(methods_by_name[name].generate_header()) methods_source.write(methods_by_name[name].generate_source())