Vulkan-Docs/scripts/extensionmetadocgenerator.py
Jon Leech 5abf83f95d Change log for April 16, 2019 Vulkan 1.1.107 spec update:
* Update release number to 107.

Public Issues:

  * Fix revision date for the `<<VK_AMD_gpu_shader_half_float>>` appendix
    (public issue 617).
  * Make <<synchronization-pipeline-barriers-subpass-self-dependencies,
    subpass self-dependencies>> less restrictive (public issue 777).
  * Fix the `<<VK_EXT_full_screen_exclusive>>` dependency on
    `<<VK_KHR_win32_surface>>` in `vk.xml` (public pull request 849).
  * Remove single-page (`apispec.html`) refpage sub-targets from the
    Makefile `allman` target and the build instructions. The target is still
    present in the Makefile, but we have not been actively maintaining the
    single-page document and do not promise it will work. The full
    Specification and the individual API reference pages are what we support
    and publish at present (public issue 949).

Internal Issues:

  * De-duplicate common valid usage statements shared by multiple commands
    or structures by using asciidoctor includes and dynamically assigning
    part of the valid usage ID based on which command or structure they're
    being applied to (internal issue 779).
  * Add reference pages for constructs not part of the formal API, such as
    platform calling convention macros, and script changes supporting them
    This required suppressing some check_spec_links warning classes in order
    to pass CI, until a more sophisticated fix can be done (internal issue
    888).
  * Change math notation for the elink:VkPrimitiveTopology descriptions to
    use short forms `v` and `p` instead of `vertex` and `primitive`,
    increasing legibility (internal issue 1611).
  * Rewrite generated file includes relative to a globally specified path,
    fixing some issues with refpage generation (internal issue 1630).
  * Update contributor list for `<<VK_EXT_calibrated_timestamps>>`.
  * Fix use of pathlin in `scripts/generator.py` so the script will work on
    Windows under Python 3.5 (internal merge request 3107).
  * Add missing conditionals around the
    <<descriptorsets-accelerationstructure, Acceleration Structure>>
    section (internal merge request 3108).
  * More script synchronization with OpenXR spec repository (internal merge
    request 3109).
  * Mark the `<<VK_AMD_gpu_shader_half_float>>` and
    `<<VK_AMD_gpu_shader_int16>>` extensions as deprecated in `vk.xml` and
    the corresponding extension appendices (internal merge request 3112).

New Extensions:

  * `<<VK_EXT_headless_surface>>`
2019-04-16 05:19:43 -07:00

624 lines
32 KiB
Python

#!/usr/bin/python3 -i
#
# Copyright (c) 2013-2019 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 re
import sys
from functools import total_ordering
from generator import GeneratorOptions, OutputGenerator, regSortFeatures, write
# ExtensionMetaDocGeneratorOptions - subclass of GeneratorOptions.
class ExtensionMetaDocGeneratorOptions(GeneratorOptions):
"""Represents options during extension metainformation generation for Asciidoc"""
def __init__(self,
conventions = None,
filename = None,
directory = '.',
apiname = None,
profile = None,
versions = '.*',
emitversions = '.*',
defaultExtensions = None,
addExtensions = None,
removeExtensions = None,
emitExtensions = None,
sortProcedure = regSortFeatures):
GeneratorOptions.__init__(self, conventions, filename, directory, apiname, profile,
versions, emitversions, defaultExtensions,
addExtensions, removeExtensions,
emitExtensions, sortProcedure)
@total_ordering
class Extension:
def __init__(self,
generator, # needed for logging and API conventions
filename,
name,
number,
ext_type,
requires,
requiresCore,
contact,
promotedTo,
deprecatedBy,
obsoletedBy,
provisional,
revision ):
self.generator = generator
self.conventions = generator.genOpts.conventions
self.filename = filename
self.name = name
self.number = number
self.ext_type = ext_type
self.requires = requires
self.requiresCore = requiresCore
self.contact = contact
self.promotedTo = promotedTo
self.deprecatedBy = deprecatedBy
self.obsoletedBy = obsoletedBy
self.provisional = provisional
self.revision = revision
self.deprecationType = None
self.supercedingAPIVersion = 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\'.')
supercededBy = None
if self.promotedTo is not None:
self.deprecationType = 'promotion'
supercededBy = promotedTo
elif self.deprecatedBy is not None:
self.deprecationType = 'deprecation'
supercededBy = deprecatedBy
elif self.obsoletedBy is not None:
self.deprecationType = 'obsoletion'
supercededBy = obsoletedBy
if supercededBy is not None:
if supercededBy == '' and not self.deprecationType == 'promotion':
pass # supercedingAPIVersion, supercedingExtension is None
elif supercededBy.startswith(self.conventions.api_version_prefix):
self.supercedingAPIVersion = supercededBy
elif supercededBy.startswith(self.conventions.api_prefix):
self.supercedingExtension = supercededBy
else:
self.generator.logMsg('error', 'Unrecognized ' + self.deprecationType + ' attribute value \'' + supercededBy + '\'!')
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):
self_is_KHR = self.name.startswith(self.conventions.KHR_prefix)
self_is_EXT = self.name.startswith(self.conventions.EXT_prefix)
other_is_KHR = other.name.startswith(self.conventions.KHR_prefix)
other_is_EXT = other.name.startswith(self.conventions.EXT_prefix)
swap = False
if self_is_KHR and not other_is_KHR:
return not swap
if other_is_KHR and not self_is_KHR:
return swap
if self_is_EXT and not other_is_EXT:
return not swap
if other_is_EXT and not self_is_EXT:
return swap
return self.name < other.name
def typeToStr(self):
if self.ext_type == 'instance':
return 'Instance extension'
if self.ext_type == 'device':
return 'Device extension'
if self.ext_type is not 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).')
else: # should be unreachable
self.generator.logMsg('error', 'Logic error in typeToStr(): Missing type attribute!')
return None
def conditionalLinkCoreAPI(self, apiVersion, linkSuffix):
versionMatch = re.match(self.conventions.api_version_prefix + r'(\d+)_(\d+)', apiVersion)
major = versionMatch.group(1)
minor = versionMatch.group(2)
dottedVersion = major + '.' + minor
doc = 'ifdef::' + apiVersion + '[]\n'
doc += ' <<versions-' + dottedVersion + linkSuffix + ', ' + self.conventions.api_name() + ' ' + dottedVersion + '>>\n'
doc += 'endif::' + apiVersion + '[]\n'
doc += 'ifndef::' + apiVersion + '[]\n'
doc += ' ' + self.conventions.api_name() + ' ' + dottedVersion + '\n'
doc += 'endif::' + apiVersion + '[]\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.supercedingAPIVersion:
write(' ** Which in turn was _promoted_ to\n' + ext.conditionalLinkCoreAPI(ext.supercedingAPIVersion, '-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.supercedingAPIVersion:
write(' ** Which in turn was _deprecated_ by\n' + ext.conditionalLinkCoreAPI(ext.supercedingAPIVersion, '-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.supercedingAPIVersion:
write(' ** Which in turn was _obsoleted_ by\n' + ext.conditionalLinkCoreAPI(ext.supercedingAPIVersion, '-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 API extension dependencies are coded in XML, others are explicit
write('*Extension and Version Dependencies*::', file=fp)
write(' * Requires ' + self.conventions.api_name() + ' ' + 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.supercedingAPIVersion:
write(' * _Promoted_ to\n' + self.conditionalLinkCoreAPI(self.supercedingAPIVersion, '-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.supercedingAPIVersion:
write(' * _Deprecated_ by\n' + self.conditionalLinkCoreAPI(self.supercedingAPIVersion, '-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.supercedingAPIVersion:
write(' * _Obsoleted_ by\n' + self.conditionalLinkCoreAPI(self.supercedingAPIVersion, '-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\'!')
if self.conventions.write_contacts:
write('*Contact*::', file=fp)
contacts = self.contact.split(',')
for contact in contacts:
contactWords = contact.strip().split()
name = ' '.join(contactWords[:-1])
handle = contactWords[-1]
if handle.startswith('gitlab:'):
prettyHandle = 'icon:gitlab[alt=GitLab, role="red"]' + handle.replace('gitlab:@', '')
elif handle.startswith('@'):
trackerLink = 'link:++https://github.com/KhronosGroup/Vulkan-Docs/issues/new?title=' + self.name + ':%20&body=' + handle + '%20++'
prettyHandle = trackerLink + '[icon:github[alt=GitHub, role="black"]' + handle[1:] + ']'
else:
prettyHandle = handle
write(' * ' + name + ' ' + prettyHandle, file=fp)
fp.close()
if self.conventions.write_refpage_include:
# Now make the refpage include
fp = self.generator.newFile(self.filename.replace('meta/', 'meta/refpage.'))
write('== Registered Extension Number', file=fp)
write(self.number, file=fp)
write('', file=fp)
write('== Revision', file=fp)
write(self.revision, file=fp)
write('', file=fp)
# Only API extension dependencies are coded in XML, others are explicit
write('== Extension and Version Dependencies', file=fp)
write(' * Requires ' + self.conventions.api_name() + ' ' + self.requiresCore, file=fp)
if self.requires:
for dep in self.requires.split(','):
write(' * Requires `<<' + dep + '>>`', file=fp)
write('', file=fp)
if self.deprecationType:
write('== Deprecation state', file=fp)
if self.deprecationType == 'promotion':
if self.supercedingAPIVersion:
write(' * _Promoted_ to\n' + self.conditionalLinkCoreAPI(self.supercedingAPIVersion, '-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.supercedingAPIVersion:
write(' * _Deprecated_ by\n' + self.conditionalLinkCoreAPI(self.supercedingAPIVersion, '-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.supercedingAPIVersion:
write(' * _Obsoleted_ by\n' + self.conditionalLinkCoreAPI(self.supercedingAPIVersion, '-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('', file=fp)
fp.close()
# ExtensionMetaDocOutputGenerator - subclass of OutputGenerator.
# Generates AsciiDoc includes with metainformation for the API extension
# appendices. The fields used from <extension> tags in the API 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-separated required API extensions (optional)
# requiresCore required core version of API (optional)
# promotedTo extension or API version it was promoted to
# deprecatedBy extension or API version which deprecated this extension,
# or empty string if deprecated without replacement
# obsoletedBy extension or API version which obsoleted this extension,
# or empty string if obsoleted without replacement
# provisional 'true' if this extension is released provisionally
#
# ---- 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 = []
# List of strings containing all vendor tags
self.vendor_tags = []
self.file_suffix = ''
def newFile(self, filename):
self.logMsg('diag', '# Generating include file:', filename)
fp = open(filename, 'w', encoding='utf-8')
write(self.genOpts.conventions.warning_comment, file=fp)
return fp
def beginFile(self, genOpts):
OutputGenerator.beginFile(self, genOpts)
self.directory = self.genOpts.directory
self.file_suffix = self.genOpts.conventions.file_suffix
# Iterate over all 'tag' Elements and add the names of all the valid vendor
# tags to the list
root = self.registry.tree.getroot()
for tag in root.findall('tags/tag'):
self.vendor_tags.append(tag.get('name'))
# 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
raise RuntimeError('Should be unreachable: ifdef is neither \'ifdef \' nor \'ifndef\'!')
else:
doc += innerdoc
return doc
def outputExtensionInclude(self, name, vendor, deprecation_type, conditions, current_fp, current_toc_fp, deprecated_fp, deprecated_toc_fp, guard_fp):
include = 'include::../' + vendor.lower() + '/' + name[3:].lower() + '' + self.file_suffix + '[]'
link = ' * <<' + name + '>>'
if deprecation_type is None:
write(self.conditionalExt(name, include), file=current_fp)
write(self.conditionalExt(name, link), file=current_toc_fp)
else:
write(self.conditionalExt(name, include, 'ifndef', conditions), file=current_fp)
write(self.conditionalExt(name, link, 'ifndef', conditions), file=current_toc_fp)
write(self.conditionalExt(name, include, 'ifdef', conditions), file=deprecated_fp)
write(self.conditionalExt(name, link, 'ifdef', conditions), file=deprecated_toc_fp)
write(self.conditionalExt(name, ':HAS_DEPRECATED_EXTENSIONS:', 'ifdef', conditions), file=guard_fp)
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.supercedingAPIVersion:
promotedExtensions.setdefault(ext.supercedingAPIVersion, []).append(ext)
for coreVersion, extensions in promotedExtensions.items():
promoted_extensions_fp = self.newFile(self.directory + '/promoted_extensions_' + coreVersion + self.file_suffix)
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' + self.file_suffix)
deprecated_extensions_appendix_fp = self.newFile(self.directory + '/deprecated_extensions_appendix' + self.file_suffix)
current_extension_appendices_fp = self.newFile(self.directory + '/current_extension_appendices' + self.file_suffix)
current_extension_appendices_toc_fp = self.newFile(self.directory + '/current_extension_appendices_toc' + self.file_suffix)
deprecated_extension_appendices_fp = self.newFile(self.directory + '/deprecated_extension_appendices' + self.file_suffix)
deprecated_extension_appendices_toc_fp = self.newFile(self.directory + '/deprecated_extension_appendices_toc' + self.file_suffix)
deprecated_extensions_guard_macro_fp = self.newFile(self.directory + '/deprecated_extensions_guard_macro' + self.file_suffix)
provisional_extensions_appendix_fp = self.newFile(self.directory + '/provisional_extensions_appendix' + self.file_suffix)
provisional_extension_appendices_fp = self.newFile(self.directory + '/provisional_extension_appendices' + self.file_suffix)
provisional_extension_appendices_toc_fp = self.newFile(self.directory + '/provisional_extension_appendices_toc' + self.file_suffix)
provisional_extensions_guard_macro_fp = self.newFile(self.directory + '/provisional_extensions_guard_macro' + self.file_suffix)
write('include::deprecated_extensions_guard_macro' + self.file_suffix + '[]', 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' + self.file_suffix + '[]', file=current_extensions_appendix_fp)
write('<<<', file=current_extensions_appendix_fp)
write('include::current_extension_appendices' + self.file_suffix + '[]', file=current_extensions_appendix_fp)
write('include::deprecated_extensions_guard_macro' + self.file_suffix + '[]', 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' + self.file_suffix + '[]', file=deprecated_extensions_appendix_fp)
write('<<<', file=deprecated_extensions_appendix_fp)
write('include::deprecated_extension_appendices' + self.file_suffix + '[]', 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)
write('ifndef::PROVISIONAL_EXTENSIONS_GUARD_MACRO_INCLUDE_GUARD[]', file=provisional_extensions_guard_macro_fp)
write(':PROVISIONAL_EXTENSIONS_GUARD_MACRO_INCLUDE_GUARD:\n', file=provisional_extensions_guard_macro_fp)
write('include::provisional_extensions_guard_macro' + self.file_suffix + '[]', file=provisional_extensions_appendix_fp)
write('', file=provisional_extensions_appendix_fp)
write('ifdef::HAS_PROVISIONAL_EXTENSIONS[]', file=provisional_extensions_appendix_fp)
write('[[provisional-extension-appendices-list]]', file=provisional_extensions_appendix_fp)
write('== List of Provisional Extensions', file=provisional_extensions_appendix_fp)
write('include::provisional_extension_appendices_toc' + self.file_suffix + '[]', file=provisional_extensions_appendix_fp)
write('<<<', file=provisional_extensions_appendix_fp)
write('include::provisional_extension_appendices' + self.file_suffix + '[]', file=provisional_extensions_appendix_fp)
write('endif::HAS_PROVISIONAL_EXTENSIONS[]', file=provisional_extensions_appendix_fp)
for ext in self.extensions:
include = 'include::../' + ext.name + self.file_suffix + '[]'
link = ' * <<' + ext.name + '>>'
if ext.provisional == 'true':
write(self.conditionalExt(ext.name, include), file=provisional_extension_appendices_fp)
write(self.conditionalExt(ext.name, link), file=provisional_extension_appendices_toc_fp)
write(self.conditionalExt(ext.name, ':HAS_PROVISIONAL_EXTENSIONS:'), file=provisional_extensions_guard_macro_fp)
elif 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.supercedingAPIVersion if ext.supercedingAPIVersion 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')
ext_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)
provisional = self.getAttrib(interface, 'provisional', OPTIONAL, 'false')
filename = self.directory + '/' + name + self.file_suffix
self.extensions.append( Extension(self, filename, name, number, ext_type, requires, requiresCore, contact, promotedTo, deprecatedBy, obsoletedBy, provisional, 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 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])', r'_\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 + '!')
return default