blob: ffdb553636798832c590ae66ea4b0ac42e581dbe [file] [log] [blame]
#!/usr/bin/python3 -i
#
# Copyright (c) 2013-2018 The Khronos Group Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os,re,sys,functools
from generator import *
from functools import total_ordering
# ExtensionMetaDocGeneratorOptions - subclass of GeneratorOptions.
class ExtensionMetaDocGeneratorOptions(GeneratorOptions):
"""Represents options during extension metainformation generation for Asciidoc"""
def __init__(self,
filename = None,
directory = '.',
apiname = None,
profile = None,
versions = '.*',
emitversions = '.*',
defaultExtensions = None,
addExtensions = None,
removeExtensions = None,
emitExtensions = None,
sortProcedure = regSortFeatures):
GeneratorOptions.__init__(self, filename, directory, apiname, profile,
versions, emitversions, defaultExtensions,
addExtensions, removeExtensions,
emitExtensions, sortProcedure)
@total_ordering
class Extension:
def __init__(self,
generator, # needed for logging
filename,
name,
number,
type,
requires,
requiresCore,
contact,
promotedTo,
deprecatedBy,
obsoletedBy,
revision ):
self.generator = generator
self.filename = filename
self.name = name
self.number = number
self.type = type
self.requires = requires
self.requiresCore = requiresCore
self.contact = contact
self.promotedTo = promotedTo
self.deprecatedBy = deprecatedBy
self.obsoletedBy = obsoletedBy
self.revision = revision
self.deprecationType = None
self.supercedingVkVersion = None
self.supercedingExtension = None
if self.promotedTo is not None and self.deprecatedBy is not None and self.obsoletedBy is not None:
self.generator.logMsg('warn', 'All \'promotedto\', \'deprecatedby\' and \'obsoletedby\' attributes used on extension ' + self.name + '! Ignoring \'promotedto\' and \'deprecatedby\'.')
elif self.promotedTo is not None and self.deprecatedBy is not None:
self.generator.logMsg('warn', 'Both \'promotedto\' and \'deprecatedby\' attributes used on extension ' + self.name + '! Ignoring \'deprecatedby\'.')
elif self.promotedTo is not None and self.obsoletedBy is not None:
self.generator.logMsg('warn', 'Both \'promotedto\' and \'obsoletedby\' attributes used on extension ' + self.name + '! Ignoring \'promotedto\'.')
elif self.deprecatedBy is not None and self.obsoletedBy is not None:
self.generator.logMsg('warn', 'Both \'deprecatedby\' and \'obsoletedby\' attributes used on extension ' + self.name + '! Ignoring \'deprecatedby\'.')
superceededBy = None
if self.promotedTo is not None:
self.deprecationType = 'promotion'
superceededBy = promotedTo
elif self.deprecatedBy is not None:
self.deprecationType = 'deprecation'
superceededBy = deprecatedBy
elif self.obsoletedBy is not None:
self.deprecationType = 'obsoletion'
superceededBy = obsoletedBy
if superceededBy is not None:
if superceededBy == '' and not self.deprecationType == 'promotion':
pass # supercedingVkVersion, supercedingExtension == None
elif superceededBy.startswith('VK_VERSION_'):
self.supercedingVkVersion = superceededBy
elif superceededBy.startswith('VK_'):
self.supercedingExtension = superceededBy
else:
self.generator.logMsg('error', 'Unrecognized ' + self.deprecationType + ' attribute value \'' + superceededBy + '\'!')
def __str__(self): return self.name
def __eq__(self, other): return self.name == other.name
def __ne__(self, other): return self.name != other.name
def __lt__(self, other):
me_is_KHR = self.name.startswith( 'VK_KHR' )
me_is_EXT = self.name.startswith( 'VK_EXT' )
he_is_KHR = other.name.startswith( 'VK_KHR' )
he_is_EXT = other.name.startswith( 'VK_EXT' )
swap = False
if me_is_KHR and not he_is_KHR:
return not swap
elif he_is_KHR and not me_is_KHR:
return swap
elif me_is_EXT and not he_is_EXT:
return not swap
elif he_is_EXT and not me_is_EXT:
return swap
else:
return self.name < other.name
def typeToStr(self):
if self.type == 'instance':
return 'Instance extension'
elif self.type == 'device':
return 'Device extension'
elif self.type != None:
self.generator.logMsg('warn', 'The type attribute of ' + self.name + ' extension is neither \'instance\' nor \'device\'. That is invalid (at the time this script was written).')
write(' ' + type.capitalize(), file=fp)
else: # should be unreachable
self.generator.logMsg('error', 'Logic error in typeToStr(): Missing type attribute!')
def conditionalLinkCoreVk(self, vulkanVersion, linkSuffix):
versionMatch = re.match(r'VK_VERSION_(\d+)_(\d+)', vulkanVersion)
major = versionMatch.group(1)
minor = versionMatch.group(2)
dottedVersion = major + '.' + minor
doc = 'ifdef::' + vulkanVersion + '[]\n'
doc += ' <<versions-' + dottedVersion + linkSuffix + ', Vulkan ' + dottedVersion + '>>\n'
doc += 'endif::' + vulkanVersion + '[]\n'
doc += 'ifndef::' + vulkanVersion + '[]\n'
doc += ' Vulkan ' + dottedVersion + '\n'
doc += 'endif::' + vulkanVersion + '[]\n'
return doc
def conditionalLinkExt(self, extName, indent = ' '):
doc = 'ifdef::' + extName + '[]\n'
doc += indent + '<<' + extName + '>>\n'
doc += 'endif::' + extName + '[]\n'
doc += 'ifndef::' + extName + '[]\n'
doc += indent + '`' + extName + '`\n'
doc += 'endif::' + extName + '[]\n'
return doc
def resolveDeprecationChain(self, extensionsList, succeededBy, file):
ext = next(x for x in extensionsList if x.name == succeededBy)
if ext.deprecationType:
if ext.deprecationType == 'promotion':
if ext.supercedingVkVersion:
write(' ** Which in turn was _promoted_ to\n' + ext.conditionalLinkCoreVk(ext.supercedingVkVersion, '-promotions'), file=file)
else: # ext.supercedingExtension
write(' ** Which in turn was _promoted_ to extension\n' + ext.conditionalLinkExt(ext.supercedingExtension), file=file)
ext.resolveDeprecationChain(extensionsList, ext.supercedingExtension, file)
elif ext.deprecationType == 'deprecation':
if ext.supercedingVkVersion:
write(' ** Which in turn was _deprecated_ by\n' + ext.conditionalLinkCoreVk(ext.supercedingVkVersion, '-new-feature'), file=file)
elif ext.supercedingExtension:
write(' ** Which in turn was _deprecated_ by\n' + ext.conditionalLinkExt(ext.supercedingExtension) + ' extension', file=file)
ext.resolveDeprecationChain(extensionsList, ext.supercedingExtension, file)
else:
write(' ** Which in turn was _deprecated_ without replacement', file=file)
elif ext.deprecationType == 'obsoletion':
if ext.supercedingVkVersion:
write(' ** Which in turn was _obsoleted_ by\n' + ext.conditionalLinkCoreVk(ext.supercedingVkVersion, '-new-feature'), file=file)
elif ext.supercedingExtension:
write(' ** Which in turn was _obsoleted_ by\n' + ext.conditionalLinkExt(ext.supercedingExtension) + ' extension', file=file)
ext.resolveDeprecationChain(extensionsList, ext.supercedingExtension, file)
else:
write(' ** Which in turn was _obsoleted_ without replacement', file=file)
else: # should be unreachable
self.generator.logMsg('error', 'Logic error in resolveDeprecationChain(): deprecationType is neither \'promotion\', \'deprecation\' nor \'obsoletion\'!')
def makeMetafile(self, extensionsList):
fp = self.generator.newFile(self.filename)
write('[[' + self.name + ']]', file=fp)
write('=== ' + self.name, file=fp)
write('', file=fp)
write('*Name String*::', file=fp)
write(' `' + self.name + '`', file=fp)
write('*Extension Type*::', file=fp)
write(' ' + self.typeToStr(), file=fp)
write('*Registered Extension Number*::', file=fp)
write(' ' + self.number, file=fp)
write('*Revision*::', file=fp)
write(' ' + self.revision, file=fp)
# Only Vulkan extension dependencies are coded in XML, others are explicit
write('*Extension and Version Dependencies*::', file=fp)
write(' * Requires Vulkan ' + self.requiresCore, file=fp)
if self.requires:
for dep in self.requires.split(','):
write(' * Requires `<<' + dep + '>>`', file=fp)
if self.deprecationType:
write('*Deprecation state*::', file=fp)
if self.deprecationType == 'promotion':
if self.supercedingVkVersion:
write(' * _Promoted_ to\n' + self.conditionalLinkCoreVk(self.supercedingVkVersion, '-promotions'), file=fp)
else: # ext.supercedingExtension
write(' * _Promoted_ to\n' + self.conditionalLinkExt(self.supercedingExtension) + ' extension', file=fp)
self.resolveDeprecationChain(extensionsList, self.supercedingExtension, fp)
elif self.deprecationType == 'deprecation':
if self.supercedingVkVersion:
write(' * _Deprecated_ by\n' + self.conditionalLinkCoreVk(self.supercedingVkVersion, '-new-features'), file=fp)
elif self.supercedingExtension:
write(' * _Deprecated_ by\n' + self.conditionalLinkExt(self.supercedingExtension) + ' extension' , file=fp)
self.resolveDeprecationChain(extensionsList, self.supercedingExtension, fp)
else:
write(' * _Deprecated_ without replacement' , file=fp)
elif self.deprecationType == 'obsoletion':
if self.supercedingVkVersion:
write(' * _Obsoleted_ by\n' + self.conditionalLinkCoreVk(self.supercedingVkVersion, '-new-features'), file=fp)
elif self.supercedingExtension:
write(' * _Obsoleted_ by\n' + self.conditionalLinkExt(self.supercedingExtension) + ' extension' , file=fp)
self.resolveDeprecationChain(extensionsList, self.supercedingExtension, fp)
else:
# TODO: Does not make sense to retroactively ban use of extensions from 1.0.
# Needs some tweaks to the semantics and this message, when such extension(s) occur.
write(' * _Obsoleted_ without replacement' , file=fp)
else: # should be unreachable
self.generator.logMsg('error', 'Logic error in makeMetafile(): deprecationType is neither \'promotion\', \'deprecation\' nor \'obsoletion\'!')
write('*Contact*::', file=fp)
contacts = self.contact.split(',')
for c in contacts:
write(' * ' + c, file=fp)
fp.close()
# ExtensionMetaDocOutputGenerator - subclass of OutputGenerator.
# Generates AsciiDoc includes with metainformation for the Vulkan extension
# appendices. The fields used from <extension> tags in vk.xml are:
#
# name extension name string
# number extension number (optional)
# contact name and github login or email address (optional)
# type 'instance' | 'device' (optional)
# requires list of comma-separate requires Vulkan extensions (optional)
# requiresCore required core version of Vulkan (optional)
# promotedTo extension or Vulkan version it was promoted to
# deprecatedBy extension or Vulkan version which deprecated this extension,
# or empty string if deprecated without replacement
# obsoletedBy extension or Vulkan version which obsoleted this extension,
# or empty string if obsoleted without replacement
#
# ---- methods ----
# ExtensionMetaDocOutputGenerator(errFile, warnFile, diagFile) - args as for
# OutputGenerator. Defines additional internal state.
# ---- methods overriding base class ----
# beginFile(genOpts)
# endFile()
# beginFeature(interface, emit)
# endFeature()
class ExtensionMetaDocOutputGenerator(OutputGenerator):
"""Generate specified API interfaces in a specific style, such as a C header"""
def __init__(self,
errFile = sys.stderr,
warnFile = sys.stderr,
diagFile = sys.stdout):
OutputGenerator.__init__(self, errFile, warnFile, diagFile)
self.extensions = []
def newFile(self, filename):
self.logMsg('diag', '# Generating include file:', filename)
fp = open(filename, 'w', encoding='utf-8')
write('// WARNING: DO NOT MODIFY! This file is automatically generated from the vk.xml registry', file=fp)
return fp
def beginFile(self, genOpts):
OutputGenerator.beginFile(self, genOpts)
self.directory = self.genOpts.directory
# Create subdirectory, if needed
self.makeDir(self.directory)
def conditionalExt(self, extName, content, ifdef = None, condition = None):
doc = ''
innerdoc = 'ifdef::' + extName + '[]\n'
innerdoc += content + '\n'
innerdoc += 'endif::' + extName + '[]\n'
if ifdef:
if ifdef == 'ifndef':
if condition:
doc += 'ifndef::' + condition + '[]\n'
doc += innerdoc
doc += 'endif::' + condition + '[]\n'
else: # no condition is as if condition is defined; "nothing" is always defined :p
pass # so no output
elif ifdef == 'ifdef':
if condition:
doc += 'ifdef::' + condition + '+' + extName + '[]\n'
doc += content + '\n' # does not include innerdoc; the ifdef was merged with the one above
doc += 'endif::' + condition + '+' + extName + '[]\n'
else: # no condition is as if condition is defined; "nothing" is always defined :p
doc += innerdoc
else: # should be unreachable
self.generator.logMsg('error', 'Logic error in conditionalExt(): ifdef is neither \'ifdef \' nor \'ifndef\'!')
else:
doc += innerdoc
return doc
def endFile(self):
self.extensions.sort()
for ext in self.extensions:
ext.makeMetafile(self.extensions)
promotedExtensions = {}
for ext in self.extensions:
if ext.deprecationType == 'promotion' and ext.supercedingVkVersion:
promotedExtensions.setdefault(ext.supercedingVkVersion, []).append(ext)
for coreVersion, extensions in promotedExtensions.items():
promoted_extensions_fp = self.newFile(self.directory + '/promoted_extensions_' + coreVersion + '.txt')
for ext in extensions:
indent = ''
write(' * {blank}\n+\n' + ext.conditionalLinkExt(ext.name, indent), file=promoted_extensions_fp)
promoted_extensions_fp.close()
current_extensions_appendix_fp = self.newFile(self.directory + '/current_extensions_appendix.txt')
deprecated_extensions_appendix_fp = self.newFile(self.directory + '/deprecated_extensions_appendix.txt')
current_extension_appendices_fp = self.newFile(self.directory + '/current_extension_appendices.txt')
current_extension_appendices_toc_fp = self.newFile(self.directory + '/current_extension_appendices_toc.txt')
deprecated_extension_appendices_fp = self.newFile(self.directory + '/deprecated_extension_appendices.txt')
deprecated_extension_appendices_toc_fp = self.newFile(self.directory + '/deprecated_extension_appendices_toc.txt')
deprecated_extensions_guard_macro_fp = self.newFile(self.directory + '/deprecated_extensions_guard_macro.txt')
write('include::deprecated_extensions_guard_macro.txt[]', file=current_extensions_appendix_fp)
write('', file=current_extensions_appendix_fp)
write('ifndef::HAS_DEPRECATED_EXTENSIONS[]', file=current_extensions_appendix_fp)
write('[[extension-appendices-list]]', file=current_extensions_appendix_fp)
write('== List of Extensions', file=current_extensions_appendix_fp)
write('endif::HAS_DEPRECATED_EXTENSIONS[]', file=current_extensions_appendix_fp)
write('ifdef::HAS_DEPRECATED_EXTENSIONS[]', file=current_extensions_appendix_fp)
write('[[extension-appendices-list]]', file=current_extensions_appendix_fp)
write('== List of Current Extensions', file=current_extensions_appendix_fp)
write('endif::HAS_DEPRECATED_EXTENSIONS[]', file=current_extensions_appendix_fp)
write('', file=current_extensions_appendix_fp)
write('include::current_extension_appendices_toc.txt[]', file=current_extensions_appendix_fp)
write('<<<', file=current_extensions_appendix_fp)
write('include::current_extension_appendices.txt[]', file=current_extensions_appendix_fp)
write('include::deprecated_extensions_guard_macro.txt[]', file=deprecated_extensions_appendix_fp)
write('', file=deprecated_extensions_appendix_fp)
write('ifdef::HAS_DEPRECATED_EXTENSIONS[]', file=deprecated_extensions_appendix_fp)
write('[[deprecated-extension-appendices-list]]', file=deprecated_extensions_appendix_fp)
write('== List of Deprecated Extensions', file=deprecated_extensions_appendix_fp)
write('include::deprecated_extension_appendices_toc.txt[]', file=deprecated_extensions_appendix_fp)
write('<<<', file=deprecated_extensions_appendix_fp)
write('include::deprecated_extension_appendices.txt[]', file=deprecated_extensions_appendix_fp)
write('endif::HAS_DEPRECATED_EXTENSIONS[]', file=deprecated_extensions_appendix_fp)
# add include guard to allow multiple includes
write('ifndef::DEPRECATED_EXTENSIONS_GUARD_MACRO_INCLUDE_GUARD[]', file=deprecated_extensions_guard_macro_fp)
write(':DEPRECATED_EXTENSIONS_GUARD_MACRO_INCLUDE_GUARD:\n', file=deprecated_extensions_guard_macro_fp)
for ext in self.extensions:
include = 'include::../' + ext.name + '.txt[]'
link = ' * <<' + ext.name + '>>'
if ext.deprecationType is None:
write(self.conditionalExt(ext.name, include), file=current_extension_appendices_fp)
write(self.conditionalExt(ext.name, link), file=current_extension_appendices_toc_fp)
else:
condition = ext.supercedingVkVersion if ext.supercedingVkVersion else ext.supercedingExtension # potentially None too
write(self.conditionalExt(ext.name, include, 'ifndef', condition), file=current_extension_appendices_fp)
write(self.conditionalExt(ext.name, link, 'ifndef', condition), file=current_extension_appendices_toc_fp)
write(self.conditionalExt(ext.name, include, 'ifdef', condition), file=deprecated_extension_appendices_fp)
write(self.conditionalExt(ext.name, link, 'ifdef', condition), file=deprecated_extension_appendices_toc_fp)
write(self.conditionalExt(ext.name, ':HAS_DEPRECATED_EXTENSIONS:', 'ifdef', condition), file=deprecated_extensions_guard_macro_fp)
current_extensions_appendix_fp.close()
deprecated_extensions_appendix_fp.close()
current_extension_appendices_fp.close()
current_extension_appendices_toc_fp.close()
deprecated_extension_appendices_fp.close()
deprecated_extension_appendices_toc_fp.close()
write('endif::DEPRECATED_EXTENSIONS_GUARD_MACRO_INCLUDE_GUARD[]', file=deprecated_extensions_guard_macro_fp)
deprecated_extensions_guard_macro_fp.close()
OutputGenerator.endFile(self)
def beginFeature(self, interface, emit):
# Start processing in superclass
OutputGenerator.beginFeature(self, interface, emit)
if interface.tag != 'extension':
self.logMsg('diag', 'beginFeature: ignoring non-extension feature', self.featureName)
return
# These attributes must exist
name = self.featureName
number = self.getAttrib(interface, 'number')
type = self.getAttrib(interface, 'type')
revision = self.getSpecVersion(interface, name)
# These attributes are optional
OPTIONAL = False
requires = self.getAttrib(interface, 'requires', OPTIONAL)
requiresCore = self.getAttrib(interface, 'requiresCore', OPTIONAL, '1.0')
contact = self.getAttrib(interface, 'contact', OPTIONAL)
promotedTo = self.getAttrib(interface, 'promotedto', OPTIONAL)
deprecatedBy = self.getAttrib(interface, 'deprecatedby', OPTIONAL)
obsoletedBy = self.getAttrib(interface, 'obsoletedby', OPTIONAL)
filename = self.directory + '/' + name + '.txt'
self.extensions.append( Extension(self, filename, name, number, type, requires, requiresCore, contact, promotedTo, deprecatedBy, obsoletedBy, revision) )
def endFeature(self):
# Finish processing in superclass
OutputGenerator.endFeature(self)
# Query an attribute from an element, or return a default value
# elem - element to query
# attribute - attribute name
# required - whether attribute must exist
# default - default value if attribute not present
def getAttrib(self, elem, attribute, required=True, default=None):
attrib = elem.get(attribute, default)
if required and (attrib is None):
name = elem.get('name', 'UNKNOWN')
self.logMsg('error', 'While processing \'' + self.featureName + ', <' + elem.tag + '> \'' + name + '\' does not contain required attribute \'' + attribute + '\'')
return attrib
def content(tag, ET):
return tag.text + ''.join(ET.tostring(e) for e in tag)
def numbersToWords(self, name):
whitelist = ['WIN32', 'INT16']
# temporarily replace whitelist items
for i, w in enumerate(whitelist):
name = re.sub(w, '{' + str(i) + '}', name)
name = re.sub(r'(?<=[A-Z])(\d+)(?![A-Z])', '_\g<1>', name)
# undo whitelist substitution
for i, w in enumerate(whitelist):
name = re.sub('\\{' + str(i) + '}', w, name)
return name
#
# Determine the extension revision from the EXTENSION_NAME_SPEC_VERSION
# enumerant.
#
# elem - <extension> element to query
# extname - extension name from the <extension> 'name' attribute
# default - default value if SPEC_VERSION token not present
def getSpecVersion(self, elem, extname, default=None):
# The literal enumerant name to match
versioningEnumName = self.numbersToWords(extname.upper()) + '_SPEC_VERSION'
for enum in elem.findall('./require/enum'):
enumName = self.getAttrib(enum, 'name')
if enumName == versioningEnumName:
return self.getAttrib(enum, 'value')
#if not found:
for enum in elem.findall('./require/enum'):
enumName = self.getAttrib(enum, 'name')
if enumName.find('SPEC_VERSION') != -1:
self.logMsg('diag', 'Missing ' + versioningEnumName + '! Potential misnamed candidate ' + enumName + '.')
return self.getAttrib(enum, 'value')
self.logMsg('error', 'Missing ' + versioningEnumName + '!')