diff options
Diffstat (limited to 'libxcb/xcb-proto/xcbgen')
-rw-r--r-- | libxcb/xcb-proto/xcbgen/matcher.py | 225 | ||||
-rw-r--r-- | libxcb/xcb-proto/xcbgen/state.py | 332 | ||||
-rw-r--r-- | libxcb/xcb-proto/xcbgen/xtypes.py | 2 |
3 files changed, 280 insertions, 279 deletions
diff --git a/libxcb/xcb-proto/xcbgen/matcher.py b/libxcb/xcb-proto/xcbgen/matcher.py index e7958fa44..c4d99fc57 100644 --- a/libxcb/xcb-proto/xcbgen/matcher.py +++ b/libxcb/xcb-proto/xcbgen/matcher.py @@ -1,112 +1,113 @@ -''' -XML parser. One function for each top-level element in the schema. - -Most functions just declare a new object and add it to the module. -For typedefs, eventcopies, xidtypes, and other aliases though, -we do not create a new type object, we just record the existing one under a new name. -''' - -from os.path import join -from xml.etree.cElementTree import parse - -import state -from xtypes import * - -def import_(node, module, namespace): - ''' - For imports, we load the file, create a new namespace object, - execute recursively, then record the import (for header files, etc.) - ''' - new_file = join(namespace.dir, '%s.xml' % node.text) - new_root = parse(new_file).getroot() - new_namespace = state.Namespace(new_file) - execute(module, new_namespace) - if not module.has_import(node.text): - module.add_import(node.text, new_namespace) - -def typedef(node, module, namespace): - id = node.get('newname') - name = namespace.prefix + (id,) - type = module.get_type(node.get('oldname')) - module.add_type(id, namespace.ns, name, type) - -def xidtype(node, module, namespace): - id = node.get('name') - name = namespace.prefix + (id,) - type = module.get_type('CARD32') - module.add_type(id, namespace.ns, name, type) - -def xidunion(node, module, namespace): - id = node.get('name') - name = namespace.prefix + (id,) - type = module.get_type('CARD32') - module.add_type(id, namespace.ns, name, type) - -def enum(node, module, namespace): - id = node.get('name') - name = namespace.prefix + (id,) - type = Enum(name, node) - module.add_type(id, namespace.ns, name, type) - -def struct(node, module, namespace): - id = node.get('name') - name = namespace.prefix + (id,) - type = Struct(name, node) - module.add_type(id, namespace.ns, name, type) - -def union(node, module, namespace): - id = node.get('name') - name = namespace.prefix + (id,) - type = Union(name, node) - module.add_type(id, namespace.ns, name, type) - -def request(node, module, namespace): - id = node.get('name') - name = namespace.prefix + (id,) - type = Request(name, node) - module.add_request(id, name, type) - -def event(node, module, namespace): - id = node.get('name') - name = namespace.prefix + (id,) - event = Event(name, node) - event.add_opcode(node.get('number'), name, True) - module.add_event(id, name, event) - -def eventcopy(node, module, namespace): - id = node.get('name') - name = namespace.prefix + (id,) - event = module.get_event(node.get('ref')) - event.add_opcode(node.get('number'), name, False) - module.add_event(id, name, event) - -def error(node, module, namespace): - id = node.get('name') - name = namespace.prefix + (id,) - error = Error(name, node) - error.add_opcode(node.get('number'), name, True) - module.add_error(id, name, error) - -def errorcopy(node, module, namespace): - id = node.get('name') - name = namespace.prefix + (id,) - error = module.get_error(node.get('ref')) - error.add_opcode(node.get('number'), name, False) - module.add_error(id, name, error) - -funcs = {'import' : import_, - 'typedef' : typedef, - 'xidtype' : xidtype, - 'xidunion' : xidunion, - 'enum' : enum, - 'struct' : struct, - 'union' : union, - 'request' : request, - 'event' : event, - 'eventcopy' : eventcopy, - 'error' : error, - 'errorcopy' : errorcopy} - -def execute(module, namespace): - for elt in list(namespace.root): - funcs[elt.tag](elt, module, namespace) +'''
+XML parser. One function for each top-level element in the schema.
+
+Most functions just declare a new object and add it to the module.
+For typedefs, eventcopies, xidtypes, and other aliases though,
+we do not create a new type object, we just record the existing one under a new name.
+'''
+
+from os.path import join
+from xml.etree.cElementTree import parse
+
+from xcbgen.xtypes import *
+
+def import_(node, module, namespace):
+ '''
+ For imports, we load the file, create a new namespace object,
+ execute recursively, then record the import (for header files, etc.)
+ '''
+ # To avoid circular import error
+ from xcbgen import state
+ new_file = join(namespace.dir, '%s.xml' % node.text)
+ new_root = parse(new_file).getroot()
+ new_namespace = state.Namespace(new_file)
+ execute(module, new_namespace)
+ if not module.has_import(node.text):
+ module.add_import(node.text, new_namespace)
+
+def typedef(node, module, namespace):
+ id = node.get('newname')
+ name = namespace.prefix + (id,)
+ type = module.get_type(node.get('oldname'))
+ module.add_type(id, namespace.ns, name, type)
+
+def xidtype(node, module, namespace):
+ id = node.get('name')
+ name = namespace.prefix + (id,)
+ type = module.get_type('CARD32')
+ module.add_type(id, namespace.ns, name, type)
+
+def xidunion(node, module, namespace):
+ id = node.get('name')
+ name = namespace.prefix + (id,)
+ type = module.get_type('CARD32')
+ module.add_type(id, namespace.ns, name, type)
+
+def enum(node, module, namespace):
+ id = node.get('name')
+ name = namespace.prefix + (id,)
+ type = Enum(name, node)
+ module.add_type(id, namespace.ns, name, type)
+
+def struct(node, module, namespace):
+ id = node.get('name')
+ name = namespace.prefix + (id,)
+ type = Struct(name, node)
+ module.add_type(id, namespace.ns, name, type)
+
+def union(node, module, namespace):
+ id = node.get('name')
+ name = namespace.prefix + (id,)
+ type = Union(name, node)
+ module.add_type(id, namespace.ns, name, type)
+
+def request(node, module, namespace):
+ id = node.get('name')
+ name = namespace.prefix + (id,)
+ type = Request(name, node)
+ module.add_request(id, name, type)
+
+def event(node, module, namespace):
+ id = node.get('name')
+ name = namespace.prefix + (id,)
+ event = Event(name, node)
+ event.add_opcode(node.get('number'), name, True)
+ module.add_event(id, name, event)
+
+def eventcopy(node, module, namespace):
+ id = node.get('name')
+ name = namespace.prefix + (id,)
+ event = module.get_event(node.get('ref'))
+ event.add_opcode(node.get('number'), name, False)
+ module.add_event(id, name, event)
+
+def error(node, module, namespace):
+ id = node.get('name')
+ name = namespace.prefix + (id,)
+ error = Error(name, node)
+ error.add_opcode(node.get('number'), name, True)
+ module.add_error(id, name, error)
+
+def errorcopy(node, module, namespace):
+ id = node.get('name')
+ name = namespace.prefix + (id,)
+ error = module.get_error(node.get('ref'))
+ error.add_opcode(node.get('number'), name, False)
+ module.add_error(id, name, error)
+
+funcs = {'import' : import_,
+ 'typedef' : typedef,
+ 'xidtype' : xidtype,
+ 'xidunion' : xidunion,
+ 'enum' : enum,
+ 'struct' : struct,
+ 'union' : union,
+ 'request' : request,
+ 'event' : event,
+ 'eventcopy' : eventcopy,
+ 'error' : error,
+ 'errorcopy' : errorcopy}
+
+def execute(module, namespace):
+ for elt in list(namespace.root):
+ funcs[elt.tag](elt, module, namespace)
diff --git a/libxcb/xcb-proto/xcbgen/state.py b/libxcb/xcb-proto/xcbgen/state.py index 51efc9480..902a86341 100644 --- a/libxcb/xcb-proto/xcbgen/state.py +++ b/libxcb/xcb-proto/xcbgen/state.py @@ -1,166 +1,166 @@ -''' -This module contains the namespace class and the singleton module class. -''' -from os.path import dirname, basename -from xml.etree.cElementTree import parse - -import matcher -from error import * -from xtypes import * - -import __main__ - -class Namespace(object): - ''' - Contains the naming information for an extension. - - Public fields: - - header is the header attribute ("header file" name). - is_ext is true for extensions, false for xproto. - major_version and minor_version are extension version info. - ext_xname is the X extension name string. - ext_name is the XCB extension name prefix. - ''' - def __init__(self, filename): - # Path info - self.path = filename - self.dir = dirname(filename) - self.file = basename(filename) - - # Parse XML - self.root = parse(filename).getroot() - self.header = self.root.get('header') - self.ns = self.header + ':' - - # Get root element attributes - if self.root.get('extension-xname', False): - self.is_ext = True - self.major_version = self.root.get('major-version') - self.minor_version = self.root.get('minor-version') - self.ext_xname = self.root.get('extension-xname') - self.ext_name = self.root.get('extension-name') - self.prefix = ('xcb', self.ext_name) - else: - self.is_ext = False - self.ext_name = '' - self.prefix = ('xcb',) - - -class Module(object): - ''' - This is the grand, encompassing class that represents an entire XCB specification. - Only gets instantiated once, in the main() routine. - - Don't need to worry about this much except to declare it and to get the namespace. - - Public fields: - namespace contains the namespace info for the spec. - ''' - open = __main__.output['open'] - close = __main__.output['close'] - - def __init__(self, filename, output): - self.namespace = Namespace(filename) - self.output = output - - self.imports = [] - self.types = {} - self.events = {} - self.errors = {} - self.all = [] - - # Register some common types - self.add_type('CARD8', '', ('uint8_t',), tcard8) - self.add_type('CARD16', '', ('uint16_t',), tcard16) - self.add_type('CARD32', '', ('uint32_t',), tcard32) - self.add_type('INT8', '', ('int8_t',), tint8) - self.add_type('INT16', '', ('int16_t',), tint16) - self.add_type('INT32', '', ('int32_t',), tint32) - self.add_type('BYTE', '', ('uint8_t',), tcard8) - self.add_type('BOOL', '', ('uint8_t',), tcard8) - self.add_type('char', '', ('char',), tchar) - self.add_type('float', '', ('float',), tfloat) - self.add_type('double', '', ('double',), tdouble) - self.add_type('void', '', ('void',), tcard8) - - # This goes out and parses the rest of the XML - def register(self): - matcher.execute(self, self.namespace) - - # Recursively resolve all types - def resolve(self): - for (name, item) in self.all: - item.resolve(self) - - # Call all the output methods - def generate(self): - self.open() - - for (name, item) in self.all: - item.out(name) - - self.close() - - # Keeps track of what's been imported so far. - def add_import(self, name, namespace): - self.imports.append((name, namespace.header)) - - def has_import(self, name): - for (name_, header) in self.imports: - if name_ == name: - return True - return False - - # Keeps track of non-request/event/error datatypes - def add_type(self, id, ns, name, item): - key = ns + id - if key in self.types: - return - self.types[key] = (name, item) - if name[:-1] == self.namespace.prefix: - self.all.append((name, item)) - - def get_type_impl(self, id, idx): - key = id - if key in self.types: - return self.types[key][idx] - - key = self.namespace.ns + id - if key in self.types: - return self.types[key][idx] - - for key in self.types.keys(): - if key.rpartition(':')[2] == id: - return self.types[key][idx] - - raise ResolveException('Type %s not found' % id) - - def get_type(self, id): - return self.get_type_impl(id, 1) - - def get_type_name(self, id): - return self.get_type_impl(id, 0) - - # Keeps track of request datatypes - def add_request(self, id, name, item): - if name[:-1] == self.namespace.prefix: - self.all.append((name, item)) - - # Keeps track of event datatypes - def add_event(self, id, name, item): - self.events[id] = (name, item) - if name[:-1] == self.namespace.prefix: - self.all.append((name, item)) - - def get_event(self, id): - return self.events[id][1] - - # Keeps track of error datatypes - def add_error(self, id, name, item): - self.errors[id] = (name, item) - if name[:-1] == self.namespace.prefix: - self.all.append((name, item)) - - def get_error(self, id): - return self.errors[id][1] +'''
+This module contains the namespace class and the singleton module class.
+'''
+from os.path import dirname, basename
+from xml.etree.cElementTree import parse
+
+from xcbgen import matcher
+from xcbgen.error import *
+from xcbgen.xtypes import *
+
+import __main__
+
+class Namespace(object):
+ '''
+ Contains the naming information for an extension.
+
+ Public fields:
+
+ header is the header attribute ("header file" name).
+ is_ext is true for extensions, false for xproto.
+ major_version and minor_version are extension version info.
+ ext_xname is the X extension name string.
+ ext_name is the XCB extension name prefix.
+ '''
+ def __init__(self, filename):
+ # Path info
+ self.path = filename
+ self.dir = dirname(filename)
+ self.file = basename(filename)
+
+ # Parse XML
+ self.root = parse(filename).getroot()
+ self.header = self.root.get('header')
+ self.ns = self.header + ':'
+
+ # Get root element attributes
+ if self.root.get('extension-xname', False):
+ self.is_ext = True
+ self.major_version = self.root.get('major-version')
+ self.minor_version = self.root.get('minor-version')
+ self.ext_xname = self.root.get('extension-xname')
+ self.ext_name = self.root.get('extension-name')
+ self.prefix = ('xcb', self.ext_name)
+ else:
+ self.is_ext = False
+ self.ext_name = ''
+ self.prefix = ('xcb',)
+
+
+class Module(object):
+ '''
+ This is the grand, encompassing class that represents an entire XCB specification.
+ Only gets instantiated once, in the main() routine.
+
+ Don't need to worry about this much except to declare it and to get the namespace.
+
+ Public fields:
+ namespace contains the namespace info for the spec.
+ '''
+ open = __main__.output['open']
+ close = __main__.output['close']
+
+ def __init__(self, filename, output):
+ self.namespace = Namespace(filename)
+ self.output = output
+
+ self.imports = []
+ self.types = {}
+ self.events = {}
+ self.errors = {}
+ self.all = []
+
+ # Register some common types
+ self.add_type('CARD8', '', ('uint8_t',), tcard8)
+ self.add_type('CARD16', '', ('uint16_t',), tcard16)
+ self.add_type('CARD32', '', ('uint32_t',), tcard32)
+ self.add_type('INT8', '', ('int8_t',), tint8)
+ self.add_type('INT16', '', ('int16_t',), tint16)
+ self.add_type('INT32', '', ('int32_t',), tint32)
+ self.add_type('BYTE', '', ('uint8_t',), tcard8)
+ self.add_type('BOOL', '', ('uint8_t',), tcard8)
+ self.add_type('char', '', ('char',), tchar)
+ self.add_type('float', '', ('float',), tfloat)
+ self.add_type('double', '', ('double',), tdouble)
+ self.add_type('void', '', ('void',), tcard8)
+
+ # This goes out and parses the rest of the XML
+ def register(self):
+ matcher.execute(self, self.namespace)
+
+ # Recursively resolve all types
+ def resolve(self):
+ for (name, item) in self.all:
+ item.resolve(self)
+
+ # Call all the output methods
+ def generate(self):
+ self.open()
+
+ for (name, item) in self.all:
+ item.out(name)
+
+ self.close()
+
+ # Keeps track of what's been imported so far.
+ def add_import(self, name, namespace):
+ self.imports.append((name, namespace.header))
+
+ def has_import(self, name):
+ for (name_, header) in self.imports:
+ if name_ == name:
+ return True
+ return False
+
+ # Keeps track of non-request/event/error datatypes
+ def add_type(self, id, ns, name, item):
+ key = ns + id
+ if key in self.types:
+ return
+ self.types[key] = (name, item)
+ if name[:-1] == self.namespace.prefix:
+ self.all.append((name, item))
+
+ def get_type_impl(self, id, idx):
+ key = id
+ if key in self.types:
+ return self.types[key][idx]
+
+ key = self.namespace.ns + id
+ if key in self.types:
+ return self.types[key][idx]
+
+ for key in self.types.keys():
+ if key.rpartition(':')[2] == id:
+ return self.types[key][idx]
+
+ raise ResolveException('Type %s not found' % id)
+
+ def get_type(self, id):
+ return self.get_type_impl(id, 1)
+
+ def get_type_name(self, id):
+ return self.get_type_impl(id, 0)
+
+ # Keeps track of request datatypes
+ def add_request(self, id, name, item):
+ if name[:-1] == self.namespace.prefix:
+ self.all.append((name, item))
+
+ # Keeps track of event datatypes
+ def add_event(self, id, name, item):
+ self.events[id] = (name, item)
+ if name[:-1] == self.namespace.prefix:
+ self.all.append((name, item))
+
+ def get_event(self, id):
+ return self.events[id][1]
+
+ # Keeps track of error datatypes
+ def add_error(self, id, name, item):
+ self.errors[id] = (name, item)
+ if name[:-1] == self.namespace.prefix:
+ self.all.append((name, item))
+
+ def get_error(self, id):
+ return self.errors[id][1]
diff --git a/libxcb/xcb-proto/xcbgen/xtypes.py b/libxcb/xcb-proto/xcbgen/xtypes.py index fd52d6eeb..882acc9b8 100644 --- a/libxcb/xcb-proto/xcbgen/xtypes.py +++ b/libxcb/xcb-proto/xcbgen/xtypes.py @@ -1,7 +1,7 @@ '''
This module contains the classes which represent XCB data types.
'''
-from expr import Field, Expression
+from xcbgen.expr import Field, Expression
import __main__
class Type(object):
|