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Update gen_dispatch after a pass of pylint

Browse Source 
PyLint raises a bunch of issues on the dispatch generation script with
regards to best practices; most of those issues are real, so let's fix
the code to be more Pythonic.
macos/v1.5.9
Emmanuele Bassi 8 years ago
parent 5c4a907687
commit 0727ae5d27
1 changed files with 44 additions and 46 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 90
      src/gen_dispatch.py

90
src/gen_dispatch.py
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@ -103,13 +103,13 @@ class GLFunction(object):
# for all of them.
self.alias_exts = []
def add_arg(self, type, name):
def add_arg(self, arg_type, arg_name):
# Reword glDepthRange() arguments to avoid clashing with the
# "near" and "far" keywords on win32.
if name == "near":
name = "hither"
elif name == "far":
name = "yon"
if arg_name == "near":
arg_name = "hither"
elif arg_name == "far":
arg_name = "yon"
# Mac screwed up GLhandleARB and made it a void * instead of
# uint32_t, despite it being specced as only necessarily 32
@ -124,19 +124,19 @@ class GLFunction(object):
# args are stored in 64-bit registers, so the calls end up
# being the same despite the different types. We just need to
# add a cast to uintptr_t to shut up the compiler.
if type == 'GLhandleARB':
assert(len(self.args) < 6)
arg_list_name = '(uintptr_t)' + name
if arg_type == 'GLhandleARB':
assert len(self.args) < 6
arg_list_name = '(uintptr_t)' + arg_name
else:
arg_list_name = name
arg_list_name = arg_name
self.args.append((type, name))
self.args.append((arg_type, arg_name))
if self.args_decl == 'void':
self.args_list = arg_list_name
self.args_decl = type + ' ' + name
self.args_decl = arg_type + ' ' + arg_name
else:
self.args_list += ', ' + arg_list_name
self.args_decl += ', ' + type + ' ' + name
self.args_decl += ', ' + arg_type + ' ' + arg_name
def add_provider(self, condition, loader, condition_name):
self.providers[condition_name] = GLProvider(condition, condition_name,
@ -153,8 +153,10 @@ class Generator(object):
self.target = target
self.enums = {}
self.functions = {}
self.sorted_function = None
self.sorted_functions = []
self.enum_string_offset = {}
self.max_enum_name_len = 1
self.entrypoint_string_offset = {}
self.copyright_comment = None
self.typedefs = ''
self.out_file = None
@ -232,9 +234,7 @@ class Generator(object):
# wgl.xml's 0xwhatever definitions end up colliding with
# wingdi.h's decimal definitions of these.
if ('WGL_SWAP_OVERLAY' in name or
'WGL_SWAP_UNDERLAY' in name or
'WGL_SWAP_MAIN_PLANE' in name):
if name in ['WGL_SWAP_OVERLAY', 'WGL_SWAP_UNDERLAY', 'WGL_SWAP_MAIN_PLANE']:
continue
self.max_enum_name_len = max(self.max_enum_name_len, len(name))
@ -298,16 +298,16 @@ class Generator(object):
for func in self.functions.values():
for provider in func.providers.values():
if provider.condition_name in self.provider_enum:
assert(self.provider_condition[provider.condition_name] == provider.condition)
assert(self.provider_loader[provider.condition_name] == provider.loader)
assert self.provider_condition[provider.condition_name] == provider.condition
assert self.provider_loader[provider.condition_name] == provider.loader
continue
self.provider_enum[provider.condition_name] = provider.enum;
self.provider_condition[provider.condition_name] = provider.condition;
self.provider_loader[provider.condition_name] = provider.loader;
self.provider_enum[provider.condition_name] = provider.enum
self.provider_condition[provider.condition_name] = provider.condition
self.provider_loader[provider.condition_name] = provider.loader
def sort_functions(self):
self.sorted_functions = sorted(self.functions.values(), key=lambda func:func.name)
self.sorted_functions = sorted(self.functions.values(), key=lambda func: func.name)
def process_require_statements(self, feature, condition, loader, human_name):
for command in feature.findall('require/command'):
@ -319,7 +319,7 @@ class Generator(object):
# don't wrap those functions.
if self.target == 'wgl' and 'wgl' not in name:
del self.functions[name]
continue;
continue
func = self.functions[name]
func.add_provider(condition, loader, human_name)
@ -327,7 +327,7 @@ class Generator(object):
def parse_function_providers(self, reg):
for feature in reg.findall('feature'):
api = feature.get('api') # string gl, gles1, gles2, glx
m = re.match('([0-9])\.([0-9])', feature.get('number'))
m = re.match(r'([0-9])\.([0-9])', feature.get('number'))
version = int(m.group(1)) * 10 + int(m.group(2))
self.supported_versions.add(feature.get('name'))
@ -424,10 +424,11 @@ class Generator(object):
func.providers = {}
func.add_provider('true', loader, 'always present')
def parse(self, file):
reg = ET.parse(file)
if reg.find('comment') != None:
self.copyright_comment = reg.find('comment').text
def parse(self, xml_file):
reg = ET.parse(xml_file)
comment = reg.find('comment')
if comment is not None:
self.copyright_comment = comment.text
else:
self.copyright_comment = ''
self.parse_typedefs(reg)
@ -467,8 +468,8 @@ class Generator(object):
func.ptr_type,
func.args_decl))
def write_header_header(self, file):
self.out_file = open(file, 'w')
def write_header_header(self, out_file):
self.out_file = open(out_file, 'w')
self.outln('/* GL dispatch header.')
self.outln(' * This is code-generated from the GL API XML files from Khronos.')
@ -482,8 +483,8 @@ class Generator(object):
self.outln('#include <stddef.h>')
self.outln('')
def write_header(self, file):
self.write_header_header(file)
def write_header(self, out_file):
self.write_header_header(out_file)
self.outln('#include "epoxy/common.h"')
@ -546,7 +547,7 @@ class Generator(object):
providers = []
# Make a local list of all the providers for this alias group
alias_root = func;
alias_root = func
if func.alias_func:
alias_root = func.alias_func
for provider in alias_root.providers.values():
@ -575,7 +576,7 @@ class Generator(object):
def provider_sort(provider):
return (provider.name != func.name, provider.name, provider.enum)
providers.sort(key=provider_sort);
providers.sort(key=provider_sort)
if len(providers) != 1:
self.outln(' static const enum {0}_provider providers[] = {{'.format(self.target))
@ -589,7 +590,7 @@ class Generator(object):
for provider in providers:
self.outln(' {0} /* "{1}" */,'.format(self.entrypoint_string_offset[provider.name], provider.name))
else:
self.outln(' 0 /* None */,')
self.outln(' 0 /* None */,')
self.outln(' };')
self.outln(' return {0}_provider_resolver(entrypoint_strings + {1} /* "{2}" */,'.format(self.target,
@ -597,7 +598,7 @@ class Generator(object):
func.name))
self.outln(' providers, entrypoints);')
else:
assert(providers[0].name == func.name)
assert providers[0].name == func.name
self.outln(' return {0}_single_resolver({1}, {2} /* {3} */);'.format(self.target,
providers[0].enum,
self.entrypoint_string_offset[func.name],
@ -652,17 +653,16 @@ class Generator(object):
sorted_providers = sorted(self.provider_enum.keys())
self.enum_string_offset = {}
offset = 0
self.outln('static const char *enum_string =')
for human_name in sorted_providers:
self.outln(' "{0}\\0"'.format(human_name));
self.outln(' "{0}\\0"'.format(human_name))
self.enum_string_offset[human_name] = offset
offset += len(human_name.replace('\\', '')) + 1
self.outln(' ;')
self.outln('')
# We're using uint16_t for the offsets.
assert(offset < 65536)
assert offset < 65536
self.outln('static const uint16_t enum_string_offsets[] = {')
self.outln(' -1, /* {0}_provider_terminator, unused */'.format(self.target))
@ -673,8 +673,6 @@ class Generator(object):
self.outln('')
def write_entrypoint_strings(self):
self.entrypoint_string_offset = {}
self.outln('static const char entrypoint_strings[] = {')
offset = 0
for func in self.sorted_functions:
@ -745,8 +743,8 @@ class Generator(object):
self.outln('}')
self.outln('')
def write_source(self, file):
self.out_file = open(file, 'w')
def write_source(self, f):
self.out_file = open(f, 'w')
self.outln('/* GL dispatch code.')
self.outln(' * This is code-generated from the GL API XML files from Khronos.')
@ -871,10 +869,10 @@ if not build_source and not build_header:
build_source = True
build_header = True
for file in args.files:
name = os.path.basename(file).split('.xml')[0]
for f in args.files:
name = os.path.basename(f).split('.xml')[0]
generator = Generator(name)
generator.parse(file)
generator.parse(f)
generator.drop_weird_glx_functions()

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