esx_vi_generator.py 47.4 KB
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#!/usr/bin/env python
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#
# esx_vi_generator.py: generates most of the SOAP type mapping code
#
# Copyright (C) 2010 Matthias Bolte <matthias.bolte@googlemail.com>
#
# 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




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OCCURRENCE__REQUIRED_ITEM = "r"
OCCURRENCE__REQUIRED_LIST = "rl"
OCCURRENCE__OPTIONAL_ITEM = "o"
OCCURRENCE__OPTIONAL_LIST = "ol"
OCCURRENCE__IGNORED = "i"
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valid_occurrences = [OCCURRENCE__REQUIRED_ITEM,
                     OCCURRENCE__REQUIRED_LIST,
                     OCCURRENCE__OPTIONAL_ITEM,
                     OCCURRENCE__OPTIONAL_LIST,
                     OCCURRENCE__IGNORED]
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class Parameter:
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    autobind_map = { "FileManager"        : "fileManager",
                     "PerformanceManager" : "perfManager",
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                     "PropertyCollector"  : "propertyCollector",
                     "SearchIndex"        : "searchIndex",
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                     "SessionManager"     : "sessionManager",
                     "VirtualDiskManager" : "virtualDiskManager" }
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    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:
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            raise ValueError("invalid function parameter occurrence value '%s'" % self.occurrence)
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        else:
            string = "       "
            string += " " * offset
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            string += "%s%s)%s" % (self.get_type_string(True), self.name, end_of_line)
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            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)


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    def get_type_string(self, as_return_value = False):
        string = ""

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        if self.type == "String" and \
           self.occurrence not in [OCCURRENCE__REQUIRED_LIST,
                                   OCCURRENCE__OPTIONAL_LIST]:
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            if as_return_value:
                string += "char *"
            else:
                string += "const char *"
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        elif self.is_enum():
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            string += "esxVI_%s " % self.type
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        else:
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            string += "esxVI_%s *" % self.type

        if as_return_value:
            string += "*"

        return string
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    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:
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            source += "               void, /* nothing */, None,\n"
        elif self.returns.type == "String":
            source += "               String, Value, %s,\n" % self.returns.get_occurrence_short_enum()
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        else:
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            source += "               %s, /* nothing */, %s,\n" % (self.returns.type, self.returns.get_occurrence_short_enum())
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        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:
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    def __init__(self, type, name, occurrence):
        self.type = type
        self.name = name
        self.occurrence = occurrence

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    def is_enum(self):
        global predefined_enums
        global enums_by_name

        return self.type in predefined_enums or self.type in enums_by_name

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    def generate_struct_member(self):
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        if self.occurrence == OCCURRENCE__IGNORED:
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            return "    /* FIXME: %s is currently ignored */\n" % self.name
        else:
            string = "    %s%s; " % (self.get_type_string(), self.name)

            while len(string) < 59:
                string += " "

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            return string + self.get_occurrence_comment() + "\n"

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    def generate_free_code(self):
        if self.type == "String" and \
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           self.occurrence not in [OCCURRENCE__REQUIRED_LIST,
                                   OCCURRENCE__OPTIONAL_LIST,
                                   OCCURRENCE__IGNORED]:
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            return "    VIR_FREE(item->%s);\n" % self.name
        elif self.is_enum():
            return ""
        else:
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            if self.occurrence == OCCURRENCE__IGNORED:
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                return "    /* FIXME: %s is currently ignored */\n" % self.name
            else:
                return "    esxVI_%s_Free(&item->%s);\n" % (self.type, self.name)

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    def generate_validate_code(self):
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        if self.occurrence in [OCCURRENCE__REQUIRED_ITEM,
                               OCCURRENCE__REQUIRED_LIST]:
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            return "    ESX_VI__TEMPLATE__PROPERTY__REQUIRE(%s)\n" % self.name
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        elif self.occurrence == OCCURRENCE__IGNORED:
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            return "    /* FIXME: %s is currently ignored */\n" % self.name
        else:
            return ""

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    def generate_deep_copy_code(self):
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        if self.occurrence == OCCURRENCE__IGNORED:
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            return "    /* FIXME: %s is currently ignored */\n" % self.name
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        elif self.occurrence in [OCCURRENCE__REQUIRED_LIST,
                                 OCCURRENCE__OPTIONAL_LIST]:
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            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
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        elif self.is_enum():
            return "    (*dest)->%s = src->%s;\n" % (self.name, self.name)
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        else:
            return "    ESX_VI__TEMPLATE__PROPERTY__DEEP_COPY(%s, %s)\n" % (self.type, self.name)

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    def generate_serialize_code(self):
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        if self.occurrence == OCCURRENCE__IGNORED:
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            return "    /* FIXME: %s is currently ignored */\n" % self.name
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        elif self.occurrence in [OCCURRENCE__REQUIRED_LIST,
                                 OCCURRENCE__OPTIONAL_LIST]:
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            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)

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    def generate_deserialize_code(self):
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        if self.occurrence == OCCURRENCE__IGNORED:
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            return "    ESX_VI__TEMPLATE__PROPERTY__DESERIALIZE_IGNORE(%s) /* FIXME */\n" % self.name
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        elif self.occurrence in [OCCURRENCE__REQUIRED_LIST,
                                 OCCURRENCE__OPTIONAL_LIST]:
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            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)

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    def get_type_string(self):
        if self.type == "String" and \
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           self.occurrence not in [OCCURRENCE__REQUIRED_LIST,
                                   OCCURRENCE__OPTIONAL_LIST]:
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            return "char *"
        elif self.is_enum():
            return "esxVI_%s " % self.type
        else:
            return "esxVI_%s *" % self.type


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    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 */"
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        raise ValueError("unknown occurrence value '%s'" % self.occurrence)
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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)

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    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

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        if self.extended_by is not None:
            self.extended_by.sort();

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    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

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    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

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    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

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    def generate_dynamic_cast_code(self, is_first = True):
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        global objects_by_name
        source = ""

        if self.extended_by is not None:
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            if not is_first:
                source += "\n"

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            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:
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                source += objects_by_name[extended_by].generate_dynamic_cast_code(False)
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        return source

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    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

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    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

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    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

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    def generate_typedef(self):
        return "typedef struct _esxVI_%s esxVI_%s;\n" % (self.name, self.name)

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    def generate_typeenum(self):
        return "    esxVI_Type_%s,\n" % self.name

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    def generate_typetostring(self):
        string = "          case esxVI_Type_%s:\n" % self.name
        string += "            return \"%s\";\n\n" % self.name

        return string

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    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

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    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

670

671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700
    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:
701
                if self.extends is not None:
702 703 704 705
                    # 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
706 707
                else:
                    source += "    esxVI_%s_Free(&item->_next);\n\n" % self.name
708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723

            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:
724
                if self.extends is not None:
725 726 727 728
                    # 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
729 730
                else:
                    source += "    esxVI_%s_Free(&item->_next);\n\n" % self.name
731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799

            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
800 801 802 803 804 805 806 807 808 809 810 811
            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"
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            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
852 853 854 855 856
        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"
857

858
                source += self.generate_deserialize_code()
859

860
                source += "})\n\n"
861

862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883
                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
884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901

        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

902

903 904 905
    def generate_typedef(self):
        return "typedef enum _esxVI_%s esxVI_%s;\n" % (self.name, self.name)

906

907 908 909
    def generate_typeenum(self):
        return "    esxVI_Type_%s,\n" % self.name

910

911 912 913 914 915 916
    def generate_typetostring(self):
        string = "          case esxVI_Type_%s:\n" % self.name
        string += "            return \"%s\";\n\n" % self.name

        return string

917

918 919 920 921 922 923 924
    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

925

926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953
    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

954

955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026
    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 <name> [extends <name>]
    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: <type> <name> <occurrence>
        items = line[1].split()

        if len(items) != 3:
            report_error("line %d: invalid property" % line[0])

1027
        if items[2] not in valid_occurrences:
1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057
            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 <name>
    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: <value>
        values.append(line[1])

    return Enum(name = name, values = values)



1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095
def parse_method(block):
    # expected format: method <name> [returns <type> <occurrence>]
    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: <type> <name> <occurrence>
        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)



1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141
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",
1142
                      "MethodFault",
1143 1144 1145 1146 1147 1148 1149 1150
                      "ManagedObjectReference"]


additional_enum_features = { "ManagedEntityStatus"      : Enum.FEATURE__ANY_TYPE,
                             "TaskInfoState"            : Enum.FEATURE__ANY_TYPE,
                             "VirtualMachinePowerState" : Enum.FEATURE__ANY_TYPE }


1151
additional_object_features = { "DatastoreHostMount"         : Object.FEATURE__DEEP_COPY | Object.FEATURE__LIST | Object.FEATURE__ANY_TYPE,
1152
                               "DatastoreInfo"              : Object.FEATURE__ANY_TYPE | Object.FEATURE__DYNAMIC_CAST,
1153
                               "Event"                      : Object.FEATURE__LIST,
1154 1155
                               "FileInfo"                   : Object.FEATURE__DYNAMIC_CAST,
                               "FileQuery"                  : Object.FEATURE__DYNAMIC_CAST,
1156
                               "HostCpuIdInfo"              : Object.FEATURE__ANY_TYPE | Object.FEATURE__LIST,
1157
                               "HostDatastoreBrowserSearchResults" : Object.FEATURE__LIST | Object.FEATURE__ANY_TYPE,
1158 1159 1160
                               "ManagedObjectReference"     : Object.FEATURE__ANY_TYPE,
                               "ObjectContent"              : Object.FEATURE__DEEP_COPY | Object.FEATURE__LIST,
                               "PerfCounterInfo"            : Object.FEATURE__LIST,
1161
                               "PerfEntityMetric"           : Object.FEATURE__LIST | Object.FEATURE__DYNAMIC_CAST,
1162 1163 1164 1165 1166 1167 1168 1169
                               "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,
1170
                               "VirtualDiskSpec"            : Object.FEATURE__DYNAMIC_CAST,
1171 1172
                               "VirtualMachineQuestionInfo" : Object.FEATURE__ANY_TYPE,
                               "VirtualMachineSnapshotTree" : Object.FEATURE__DEEP_COPY | Object.FEATURE__ANY_TYPE }
1173 1174


1175
removed_object_features = { "DynamicProperty"            : Object.FEATURE__SERIALIZE,
1176
                            "LocalizedMethodFault"       : Object.FEATURE__SERIALIZE,
1177 1178 1179 1180 1181 1182 1183 1184
                            "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 }
1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196



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()



1197 1198 1199 1200 1201 1202 1203 1204
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"))
1205 1206 1207 1208 1209 1210



number = 0
objects_by_name = {}
enums_by_name = {}
1211
methods_by_name = {}
1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226
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

1227
    if line.startswith("object") or line.startswith("enum") or line.startswith("method"):
1228 1229 1230 1231 1232 1233 1234 1235 1236 1237
        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
1238
            elif block[0][1].startswith("enum"):
1239 1240
                enum = parse_enum(block)
                enums_by_name[enum.name] = enum
1241 1242 1243
            else:
                method = parse_method(block)
                methods_by_name[method.name] = method
1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259

            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:
1260
        if property.occurrence != OCCURRENCE__IGNORED and \
1261 1262 1263 1264 1265 1266 1267 1268 1269
           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:
1270 1271
        if (property.occurrence == OCCURRENCE__REQUIRED_LIST or \
            property.occurrence == OCCURRENCE__OPTIONAL_LIST) and \
1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284
           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:
1285
            if property.occurrence != OCCURRENCE__IGNORED and \
1286 1287
               property.type not in predefined_objects and \
               property.type in objects_by_name:
1288 1289 1290 1291 1292 1293 1294 1295 1296 1297
                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)
1298
            extended_obj.extended_by.sort()
1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310





for obj in objects_by_name.values():
    inherit_features(obj)





1311 1312 1313 1314 1315 1316 1317 1318
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")
1319 1320


1321 1322 1323 1324
# output enums
types_typedef.write("/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\n" +
                    " * VI Enums\n" +
                    " */\n\n")
1325 1326 1327 1328 1329

names = enums_by_name.keys()
names.sort()

for name in names:
1330 1331 1332 1333 1334 1335
    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())
1336 1337 1338



1339 1340 1341 1342 1343 1344 1345 1346
# 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")
1347 1348 1349



1350 1351
names = objects_by_name.keys()
names.sort()
1352

1353 1354 1355 1356 1357 1358 1359
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())
1360 1361 1362



1363 1364 1365
# output methods
names = methods_by_name.keys()
names.sort()
1366 1367

for name in names:
1368 1369
    methods_header.write(methods_by_name[name].generate_header())
    methods_source.write(methods_by_name[name].generate_source())