def make_proxy_impl_tmpl_body(cls):
csname = schema.cpp2csname(cls.get_name())
iname = schema.get_iname(cls)
funcs = get_funcs(cls, False)
static_funcs = []
for func in cls.get_static_funcs():
static_funcs.append( get_func_parts(func, 0) )
result = []
for func in static_funcs:
append_xmldoc(result, func['obj'].get_comment())
result.append('public static %(csn_retval)s %(name)s(%(csn_args_proto)s)' % func)
result.append('{')
result.append(' throw new NotImplementedException(); // TODO: %(csname)s.%(name)s' % { 'csname': csname, 'name' : func['name'] })
result.append('}')
result.append('')
for func in funcs:
name = func['name']
retval = func['csn_retval']
args = func['csn_args_proto']
if func['csn_args'][0]['name'] == 'self':
args = ', '.join(map(lambda x: '%s %s' % (x['type'], x['name']), func['csn_args'][1:]))
append_xmldoc(result, func['obj'].get_comment())
result.append('public %s %s(%s)' % (retval, name, args))
result.append('{')
result.append(' throw new NotImplementedException(); // TODO: %(csname)s.%(name)s' % { 'csname': csname, 'name' : func['name'] })
result.append('}')
result.append('')
return result
def get_base_func(cls, slot, name, cname):
cretval = ''
if name == 'AddRef':
cretval = 'void'
elif name == 'Release':
cretval = 'int'
elif name == 'HasOneRef':
cretval = 'int'
return {
'basefunc': True,
'virtual': True,
'obj': None,
'slot': '%x' % slot,
'name': name,
'field_name': '_base._%s' % cname,
'delegate_type': '%s_delegate' % cname,
'delegate_slot': '_ds%x' % slot,
'capi_name': cname,
'capi_retval': cretval,
'capi_args': ['%s* self' % cls.get_capi_name()],
'csn_name': cname,
'csn_retval': cretval,
'csn_args': [ { 'type': '%s*' % cls.get_capi_name(), 'name': 'self' } ],
'csn_args_proto': '%s* self' % cls.get_capi_name(),
'iname': schema.get_iname(cls),
}
def get_func_parts(func, slot, is_global = False):
virtual = isinstance(func, obj_function_virtual)
capi_parts = func.get_capi_parts()
csn_name = capi_parts['name']
if not virtual:
if is_global:
if csn_name[0:4] == 'cef_':
csn_name = csn_name[4:]
else:
csn_name = get_capi_name(func.get_name(), False, None)
prefix = func.parent.get_capi_name()
if prefix[-2:] == '_t':
prefix = prefix[:-2]
if prefix[0:3] == 'cef':
subprefix = prefix[3:]
pos = csn_name.find(subprefix)
if pos >= 0:
csn_name = csn_name[0:pos]
csn_args = []
for carg in capi_parts['args']:
type = schema.c2cs_type( carg[:carg.rindex(' ')] )
name = schema.quote_name( carg[carg.rindex(' ')+1:] )
csn_args.append({'name' : name, 'type' : type})
iname = ''
if virtual:
iname = schema.get_iname(func.parent)
result = {
'basefunc': False,
'virtual': virtual,
'obj': func,
'slot': '%x' % slot,
'name': func.get_name(),
'field_name': '_' + func.get_capi_name(),
'delegate_type': func.get_capi_name() + '_delegate',
'delegate_slot': '_ds%x' % slot,
'capi_name': capi_parts['name'],
'capi_retval': capi_parts['retval'],
'capi_args': capi_parts['args'],
'csn_name': csn_name,
'csn_retval': schema.c2cs_type( capi_parts['retval'] ),
'csn_args': csn_args,
'csn_entrypoint': capi_parts['name'],
'csn_args_proto': ', '.join(map(lambda x: '%s %s' % (x['type'], x['name']), csn_args)),
'iname': iname,
}
return result
def get_base_func(cls, slot, name, cname):
return {
'basefunc': True,
'virtual': True,
'obj': None,
'slot': '%x' % slot,
'name': name,
'field_name': '_base._%s' % cname,
'delegate_type': '%s_delegate' % cname,
'delegate_slot': '_ds%x' % slot,
'capi_name': cname,
'capi_retval': 'int',
'capi_args': ['%s* self' % cls.get_capi_name()],
'csn_name': cname,
'csn_retval': 'int',
'csn_args': [ { 'type': '%s*' % cls.get_capi_name(), 'name': 'self' } ],
'csn_args_proto': '%s* self' % cls.get_capi_name(),
'iname': schema.get_iname(cls),
}
def make_struct_file(cls):
body = []
body.append('using System;')
body.append('using System.Diagnostics.CodeAnalysis;')
body.append('using System.Runtime.InteropServices;')
body.append('using System.Security;')
body.append('');
body.append('[StructLayout(LayoutKind.Sequential, Pack = %s)]' % schema.CEF_ALIGN)
body.append('[SuppressMessage("Microsoft.Design", "CA1049:TypesThatOwnNativeResourcesShouldBeDisposable")]')
body.append('internal unsafe struct %s' % schema.get_iname(cls))
body.append('{')
body.append( indent + ('\n' + indent + indent).join( make_struct_members(cls) ) )
body.append('}')
return make_file_header() + \
"""namespace %(namespace)s
{
%(body)s
}
""" % {
'namespace': schema.interop_namespace,
'body': indent + ('\n'+indent).join(body)
}
def make_handler_g_body(cls):
csname = schema.cpp2csname(cls.get_name())
iname = schema.get_iname(cls)
funcs = get_funcs(cls)
result = []
# this dictionary used to keep object alive even when we doesn't reference object directly, but it can be referenced only from native side
result.append('private static Dictionary<IntPtr, %(csname)s> _roots = new Dictionary<IntPtr, %(csname)s>();' % { 'csname' : csname })
result.append('')
result.append('private int _refct;')
result.append('private %s* _self;' % iname)
# result.append('private bool _disposed;')
result.append('')
result.append('protected object SyncRoot { get { return this; } }')
result.append('')
if schema.is_reversible(cls):
result.append('internal static %s FromNativeOrNull(%s* ptr)' % (csname, iname))
result.append('{')
result.append(indent + '%s value = null;' % csname)
result.append(indent + 'bool found;')
result.append(indent + 'lock (_roots)')
result.append(indent + '{')
result.append(indent + indent + 'found = _roots.TryGetValue((IntPtr)ptr, out value);')
result.append(indent + '}')
result.append(indent + 'return found ? value : null;')
result.append('}')
result.append('')
result.append('internal static %s FromNative(%s* ptr)' % (csname, iname))
result.append('{')
result.append(indent + 'var value = FromNativeOrNull(ptr);')
result.append(indent + 'if (value == null) throw ExceptionBuilder.ObjectNotFound();')
result.append(indent + 'return value;')
result.append('}')
result.append('')
for func in funcs:
result.append('private %(iname)s.%(delegate_type)s %(delegate_slot)s;' % func)
result.append('')
# ctor
result.append('protected %s()' % csname)
result.append('{')
result.append(indent + '_self = %s.Alloc();' % iname)
result.append('');
for func in funcs:
result.append(indent + '%(delegate_slot)s = new %(iname)s.%(delegate_type)s(%(csn_name)s);' % func)
result.append(indent + '_self->%(field_name)s = Marshal.GetFunctionPointerForDelegate(%(delegate_slot)s);' % func)
result.append('}')
result.append('')
# finalizer & dispose
result.append('~%s()' % csname)
result.append('{')
result.append(indent + 'Dispose(false);')
result.append('}')
result.append('')
result.append('protected virtual void Dispose(bool disposing)')
result.append('{')
# result.append(indent + '_disposed = true;')
result.append(indent + 'if (_self != null)')
result.append(indent + '{')
result.append(indent + indent + '%s.Free(_self);' % iname)
result.append(indent + indent + '_self = null;')
result.append(indent + '}')
result.append('}')
result.append('')
# todo: this methods must throw exception if object already disposed
# todo: verify self pointer in debug
result.append('private int add_ref(%s* self)' % iname)
result.append('{')
result.append(indent + 'lock (SyncRoot)')
result.append(indent + '{')
result.append(indent + indent + 'var result = ++_refct;')
result.append(indent + indent + 'if (result == 1)')
result.append(indent + indent + '{')
result.append(indent + indent + indent + 'lock (_roots) { _roots.Add((IntPtr)_self, this); }')
result.append(indent + indent + '}')
result.append(indent + indent + 'return result;')
result.append(indent + '}')
result.append('}')
result.append('')
result.append('private int release(%s* self)' % iname)
result.append('{')
result.append(indent + 'lock (SyncRoot)')
result.append(indent + '{')
result.append(indent + indent + 'var result = --_refct;')
result.append(indent + indent + 'if (result == 0)')
result.append(indent + indent + '{')
result.append(indent + indent + indent + 'lock (_roots) { _roots.Remove((IntPtr)_self); }')
result.append(indent + indent + '}')
result.append(indent + indent + 'return result;')
result.append(indent + '}')
result.append('}')
result.append('')
result.append('private int get_refct(%s* self)' % iname)
result.append('{')
result.append(indent + 'return _refct;')
result.append('}')
result.append('')
result.append('internal %s* ToNative()' % iname)
result.append('{')
result.append(indent + 'add_ref(_self);')
result.append(indent + 'return _self;')
result.append('}')
result.append('')
result.append('[Conditional("DEBUG")]')
result.append('private void CheckSelf(%s* self)' % iname)
result.append('{')
result.append(indent + 'if (_self != self) throw ExceptionBuilder.InvalidSelfReference();')
result.append('}')
result.append('')
return result
def make_proxy_g_body(cls):
csname = schema.cpp2csname(cls.get_name())
iname = schema.get_iname(cls)
result = []
# result.append('#if DEBUG')
# result.append('private static int _objCt;')
# result.append('internal static int ObjCt { get { return _objCt; } }')
# result.append('#endif')
# result.append('')
# static methods
result.append('internal static %(csname)s FromNative(%(iname)s* ptr)' % { 'csname' : csname, 'iname' : iname })
result.append('{')
result.append(indent + 'return new %s(ptr);' % csname)
result.append('}')
result.append('')
result.append('internal static %(csname)s FromNativeOrNull(%(iname)s* ptr)' % { 'csname' : csname, 'iname' : iname })
result.append('{')
result.append(indent + 'if (ptr == null) return null;')
result.append(indent + 'return new %s(ptr);' % csname)
result.append('}')
result.append('')
# private fields
result.append('private %s* _self;' % iname)
result.append('')
# ctor
result.append('private %(csname)s(%(iname)s* ptr)' % { 'csname' : csname, 'iname' : iname })
result.append('{')
result.append(indent + 'if (ptr == null) throw new ArgumentNullException("ptr");')
result.append(indent + '_self = ptr;')
#
# todo: diagnostics code: Interlocked.Increment(ref _objCt);
#
result.append('}')
result.append('')
# disposable
result.append('~%s()' % csname)
result.append('{')
result.append(indent + 'if (_self != null)')
result.append(indent + '{')
result.append(indent + indent + 'Release();')
result.append(indent + indent + '_self = null;')
result.append(indent + '}')
result.append('}')
result.append('')
result.append('public void Dispose()')
result.append('{')
result.append(indent + 'if (_self != null)')
result.append(indent + '{')
result.append(indent + indent + 'Release();')
result.append(indent + indent + '_self = null;')
result.append(indent + '}')
result.append(indent + 'GC.SuppressFinalize(this);')
result.append('}')
result.append('')
result.append('internal int AddRef()')
result.append('{')
result.append(indent + 'return %(iname)s.add_ref(_self);' % { 'iname': iname })
result.append('}')
result.append('')
result.append('internal int Release()')
result.append('{')
result.append(indent + 'return %(iname)s.release(_self);' % { 'iname': iname })
result.append('}')
result.append('')
result.append('internal int RefCt')
result.append('{')
result.append(indent + 'get { return %(iname)s.get_refct(_self); }' % { 'iname': iname })
result.append('}')
result.append('')
# TODO: use it only if it is really necessary!
# result.append('internal %(iname)s* Pointer' % { 'iname' : iname })
# result.append('{')
# result.append(indent + 'get { return _self; }')
# result.append('}')
# result.append('')
result.append('internal %(iname)s* ToNative()' % { 'iname' : iname })
result.append('{')
result.append(indent + 'AddRef();')
result.append(indent + 'return _self;')
result.append('}')
return result
def make_struct_members(cls):
result = []
static_funcs = []
funcs = get_funcs(cls)
delegate_visibility = "internal"
if schema.is_proxy(cls):
delegate_visibility = "private"
for func in cls.get_static_funcs():
static_funcs.append( get_func_parts(func, 0) )
result.append('internal cef_base_t _base;')
for func in funcs:
if not func['basefunc']:
result.append('internal IntPtr %(field_name)s;' % func)
result.append('')
for func in static_funcs:
append_dllimport(result, func)
for func in funcs:
postfixs = schema.get_platform_retval_postfixs(func['csn_retval'])
for px in postfixs:
func['px'] = px
result.append('[UnmanagedFunctionPointer(%s)]' % schema.CEF_CALLBACK)
result.append('#if !DEBUG')
result.append('[SuppressUnmanagedCodeSecurity]')
result.append('#endif')
result.append(delegate_visibility + ' delegate %(csn_retval)s%(px)s %(delegate_type)s%(px)s(%(csn_args_proto)s);' % func)
result.append('')
for func in funcs:
if schema.is_proxy(cls):
postfixs = schema.get_platform_retval_postfixs(func['csn_retval'])
for px in postfixs:
func['px'] = px
result.append('// %(name)s' % func)
result.append('private static IntPtr _p%(slot)s%(px)s;' % func)
result.append('private static %(delegate_type)s%(px)s _d%(slot)s%(px)s;' % func)
result.append('')
result.append('public static %(csn_retval)s%(px)s %(csn_name)s%(px)s(%(csn_args_proto)s)' % func)
result.append('{')
result.append(' %(delegate_type)s%(px)s d;' % func)
result.append(' var p = self->%(field_name)s;' % func)
result.append(' if (p == _p%(slot)s%(px)s) { d = _d%(slot)s%(px)s; }' % func)
result.append(' else')
result.append(' {')
result.append(' d = (%(delegate_type)s%(px)s)Marshal.GetDelegateForFunctionPointer(p, typeof(%(delegate_type)s%(px)s));' % func)
result.append(' if (_p%(slot)s%(px)s == IntPtr.Zero) { _d%(slot)s%(px)s = d; _p%(slot)s%(px)s = p; }' % func)
result.append(' }')
args = ', '.join(map(lambda x: x['name'], func['csn_args']))
if func['csn_retval'] == 'void':
result.append(' d(%s);' % args)
else:
result.append(' return d(%s);' % args)
result.append('}')
result.append('')
if schema.is_handler(cls):
iname = schema.get_iname(cls)
result.append('private static int _sizeof;')
result.append('')
result.append('static %s()' % iname)
result.append('{')
result.append(indent + '_sizeof = Marshal.SizeOf(typeof(%s));' % iname)
result.append('}')
result.append('')
result.append('internal static %s* Alloc()' % iname)
result.append('{')
result.append(indent + 'var ptr = (%s*)Marshal.AllocHGlobal(_sizeof);' % iname)
result.append(indent + '*ptr = new %s();' % iname)
result.append(indent + 'ptr->_base._size = (UIntPtr)_sizeof;')
result.append(indent + 'return ptr;')
result.append('}')
result.append('')
result.append('internal static void Free(%s* ptr)' % iname)
result.append('{')
result.append(indent + 'Marshal.FreeHGlobal((IntPtr)ptr);')
result.append('}')
result.append('')
return result
def make_proxy_g_body(cls):
csname = schema.cpp2csname(cls.get_name())
iname = schema.get_iname(cls)
result = []
# result.append('#if DEBUG')
# result.append('private static int _objCt;')
# result.append('internal static int ObjCt { get { return _objCt; } }')
# result.append('#endif')
# result.append('')
# static methods
result.append('internal static %(csname)s FromNative(%(iname)s* ptr)' % {
'csname': csname,
'iname': iname
})
result.append('{')
result.append(indent + 'return new %s(ptr);' % csname)
result.append('}')
result.append('')
result.append(
'internal static %(csname)s FromNativeOrNull(%(iname)s* ptr)' % {
'csname': csname,
'iname': iname
})
result.append('{')
result.append(indent + 'if (ptr == null) return null;')
result.append(indent + 'return new %s(ptr);' % csname)
result.append('}')
result.append('')
# private fields
result.append('private %s* _self;' % iname)
result.append('')
# ctor
result.append('private %(csname)s(%(iname)s* ptr)' % {
'csname': csname,
'iname': iname
})
result.append('{')
result.append(indent +
'if (ptr == null) throw new ArgumentNullException("ptr");')
result.append(indent + '_self = ptr;')
#
# todo: diagnostics code: Interlocked.Increment(ref _objCt);
#
result.append('}')
result.append('')
# disposable
result.append('~%s()' % csname)
result.append('{')
result.append(indent + 'if (_self != null)')
result.append(indent + '{')
result.append(indent + indent + 'Release();')
result.append(indent + indent + '_self = null;')
result.append(indent + '}')
result.append('}')
result.append('')
result.append('public void Dispose()')
result.append('{')
result.append(indent + 'if (_self != null)')
result.append(indent + '{')
result.append(indent + indent + 'Release();')
result.append(indent + indent + '_self = null;')
result.append(indent + '}')
result.append(indent + 'GC.SuppressFinalize(this);')
result.append('}')
result.append('')
result.append('internal int AddRef()')
result.append('{')
result.append(indent +
'return %(iname)s.add_ref(_self);' % {'iname': iname})
result.append('}')
result.append('')
result.append('internal int Release()')
result.append('{')
result.append(indent +
'return %(iname)s.release(_self);' % {'iname': iname})
result.append('}')
result.append('')
result.append('internal int RefCt')
result.append('{')
result.append(indent + 'get { return %(iname)s.get_refct(_self); }' %
{'iname': iname})
result.append('}')
result.append('')
# TODO: use it only if it is really necessary!
# result.append('internal %(iname)s* Pointer' % { 'iname' : iname })
# result.append('{')
# result.append(indent + 'get { return _self; }')
# result.append('}')
# result.append('')
result.append('internal %(iname)s* ToNative()' % {'iname': iname})
result.append('{')
result.append(indent + 'AddRef();')
result.append(indent + 'return _self;')
result.append('}')
return result
def make_struct_members(cls):
result = []
static_funcs = []
funcs = get_funcs(cls)
delegate_visibility = "internal"
if schema.is_proxy(cls):
delegate_visibility = "private"
for func in cls.get_static_funcs():
static_funcs.append(get_func_parts(func, 0))
result.append('internal cef_base_t _base;')
for func in funcs:
if not func['basefunc']:
result.append('internal IntPtr %(field_name)s;' % func)
result.append('')
for func in static_funcs:
append_dllimport(result, func)
for func in funcs:
postfixs = schema.get_platform_retval_postfixs(func['csn_retval'])
for px in postfixs:
func['px'] = px
result.append('[UnmanagedFunctionPointer(%s)]' %
schema.CEF_CALLBACK)
result.append('#if !DEBUG')
result.append('[SuppressUnmanagedCodeSecurity]')
result.append('#endif')
result.append(
delegate_visibility +
' delegate %(csn_retval)s%(px)s %(delegate_type)s%(px)s(%(csn_args_proto)s);'
% func)
result.append('')
for func in funcs:
if schema.is_proxy(cls):
postfixs = schema.get_platform_retval_postfixs(func['csn_retval'])
for px in postfixs:
func['px'] = px
result.append('// %(name)s' % func)
result.append('private static IntPtr _p%(slot)s%(px)s;' % func)
result.append(
'private static %(delegate_type)s%(px)s _d%(slot)s%(px)s;'
% func)
result.append('')
result.append(
'public static %(csn_retval)s%(px)s %(csn_name)s%(px)s(%(csn_args_proto)s)'
% func)
result.append('{')
result.append(' %(delegate_type)s%(px)s d;' % func)
result.append(' var p = self->%(field_name)s;' % func)
result.append(
' if (p == _p%(slot)s%(px)s) { d = _d%(slot)s%(px)s; }'
% func)
result.append(' else')
result.append(' {')
result.append(
' d = (%(delegate_type)s%(px)s)Marshal.GetDelegateForFunctionPointer(p, typeof(%(delegate_type)s%(px)s));'
% func)
result.append(
' if (_p%(slot)s%(px)s == IntPtr.Zero) { _d%(slot)s%(px)s = d; _p%(slot)s%(px)s = p; }'
% func)
result.append(' }')
args = ', '.join(map(lambda x: x['name'], func['csn_args']))
if func['csn_retval'] == 'void':
result.append(' d(%s);' % args)
else:
result.append(' return d(%s);' % args)
result.append('}')
result.append('')
if schema.is_handler(cls):
iname = schema.get_iname(cls)
result.append('private static int _sizeof;')
result.append('')
result.append('static %s()' % iname)
result.append('{')
result.append(indent + '_sizeof = Marshal.SizeOf(typeof(%s));' % iname)
result.append('}')
result.append('')
result.append('internal static %s* Alloc()' % iname)
result.append('{')
result.append(indent +
'var ptr = (%s*)Marshal.AllocHGlobal(_sizeof);' % iname)
result.append(indent + '*ptr = new %s();' % iname)
result.append(indent + 'ptr->_base._size = (UIntPtr)_sizeof;')
result.append(indent + 'return ptr;')
result.append('}')
result.append('')
result.append('internal static void Free(%s* ptr)' % iname)
result.append('{')
result.append(indent + 'Marshal.FreeHGlobal((IntPtr)ptr);')
result.append('}')
result.append('')
return result
def get_func_parts(func, slot, is_global=False):
virtual = isinstance(func, obj_function_virtual)
capi_parts = func.get_capi_parts()
csn_name = capi_parts['name']
if not virtual:
if is_global:
if csn_name[0:4] == 'cef_':
csn_name = csn_name[4:]
else:
csn_name = get_capi_name(func.get_name(), False, None)
prefix = func.parent.get_capi_name()
if prefix[-2:] == '_t':
prefix = prefix[:-2]
if prefix[0:3] == 'cef':
subprefix = prefix[3:]
pos = csn_name.find(subprefix)
if pos >= 0:
csn_name = csn_name[0:pos]
csn_args = []
for carg in capi_parts['args']:
type = schema.c2cs_type(carg[:carg.rindex(' ')])
name = schema.quote_name(carg[carg.rindex(' ') + 1:])
csn_args.append({'name': name, 'type': type})
iname = ''
if virtual:
iname = schema.get_iname(func.parent)
result = {
'basefunc':
False,
'virtual':
virtual,
'obj':
func,
'slot':
'%x' % slot,
'name':
func.get_name(),
'field_name':
'_' + func.get_capi_name(),
'delegate_type':
func.get_capi_name() + '_delegate',
'delegate_slot':
'_ds%x' % slot,
'capi_name':
capi_parts['name'],
'capi_retval':
capi_parts['retval'],
'capi_args':
capi_parts['args'],
'csn_name':
csn_name,
'csn_retval':
schema.c2cs_type(capi_parts['retval']),
'csn_args':
csn_args,
'csn_entrypoint':
capi_parts['name'],
'csn_args_proto':
', '.join(map(lambda x: '%s %s' % (x['type'], x['name']), csn_args)),
'iname':
iname,
}
return result
def make_handler_g_body(cls):
csname = schema.cpp2csname(cls.get_name())
iname = schema.get_iname(cls)
funcs = get_funcs(cls)
result = []
# this dictionary used to keep object alive even when we doesn't reference object directly, but it can be referenced only from native side
result.append(
'private static Dictionary<IntPtr, %(csname)s> _roots = new Dictionary<IntPtr, %(csname)s>();'
% {'csname': csname})
result.append('')
result.append('private int _refct;')
result.append('private %s* _self;' % iname)
# result.append('private bool _disposed;')
result.append('')
result.append('protected object SyncRoot { get { return this; } }')
result.append('')
if schema.is_reversible(cls):
result.append('internal static %s FromNativeOrNull(%s* ptr)' %
(csname, iname))
result.append('{')
result.append(indent + '%s value = null;' % csname)
result.append(indent + 'bool found;')
result.append(indent + 'lock (_roots)')
result.append(indent + '{')
result.append(indent + indent +
'found = _roots.TryGetValue((IntPtr)ptr, out value);')
result.append(indent + '}')
result.append(indent + 'return found ? value : null;')
result.append('}')
result.append('')
result.append('internal static %s FromNative(%s* ptr)' %
(csname, iname))
result.append('{')
result.append(indent + 'var value = FromNativeOrNull(ptr);')
result.append(
indent +
'if (value == null) throw ExceptionBuilder.ObjectNotFound();')
result.append(indent + 'return value;')
result.append('}')
result.append('')
for func in funcs:
result.append(
'private %(iname)s.%(delegate_type)s %(delegate_slot)s;' % func)
result.append('')
# ctor
result.append('protected %s()' % csname)
result.append('{')
result.append(indent + '_self = %s.Alloc();' % iname)
result.append('')
for func in funcs:
result.append(
indent +
'%(delegate_slot)s = new %(iname)s.%(delegate_type)s(%(csn_name)s);'
% func)
result.append(
indent +
'_self->%(field_name)s = Marshal.GetFunctionPointerForDelegate(%(delegate_slot)s);'
% func)
result.append('}')
result.append('')
# finalizer & dispose
result.append('~%s()' % csname)
result.append('{')
result.append(indent + 'Dispose(false);')
result.append('}')
result.append('')
if schema.is_autodispose(cls):
result.append('private void Dispose()')
result.append('{')
result.append(indent + 'Dispose(true);')
result.append(indent + 'GC.SuppressFinalize(this);')
result.append('}')
result.append('')
result.append('protected virtual void Dispose(bool disposing)')
result.append('{')
# result.append(indent + '_disposed = true;')
result.append(indent + 'if (_self != null)')
result.append(indent + '{')
result.append(indent + indent + '%s.Free(_self);' % iname)
result.append(indent + indent + '_self = null;')
result.append(indent + '}')
result.append('}')
result.append('')
# todo: this methods must throw exception if object already disposed
# todo: verify self pointer in debug
result.append('private void add_ref(%s* self)' % iname)
result.append('{')
result.append(indent + 'lock (SyncRoot)')
result.append(indent + '{')
result.append(indent + indent + 'var result = ++_refct;')
result.append(indent + indent + 'if (result == 1)')
result.append(indent + indent + '{')
result.append(indent + indent + indent +
'lock (_roots) { _roots.Add((IntPtr)_self, this); }')
result.append(indent + indent + '}')
result.append(indent + '}')
result.append('}')
result.append('')
result.append('private int release(%s* self)' % iname)
result.append('{')
result.append(indent + 'lock (SyncRoot)')
result.append(indent + '{')
result.append(indent + indent + 'var result = --_refct;')
result.append(indent + indent + 'if (result == 0)')
result.append(indent + indent + '{')
result.append(indent + indent + indent +
'lock (_roots) { _roots.Remove((IntPtr)_self); }')
if schema.is_autodispose(cls):
result.append(indent + indent + indent + 'Dispose();')
result.append(indent + indent + indent + 'return 1;')
result.append(indent + indent + '}')
result.append(indent + indent + 'return 0;')
result.append(indent + '}')
result.append('}')
result.append('')
result.append('private int has_one_ref(%s* self)' % iname)
result.append('{')
result.append(indent + 'lock (SyncRoot) { return _refct == 1 ? 1 : 0; }')
result.append('}')
result.append('')
result.append('internal %s* ToNative()' % iname)
result.append('{')
result.append(indent + 'add_ref(_self);')
result.append(indent + 'return _self;')
result.append('}')
result.append('')
result.append('[Conditional("DEBUG")]')
result.append('private void CheckSelf(%s* self)' % iname)
result.append('{')
result.append(
indent +
'if (_self != self) throw ExceptionBuilder.InvalidSelfReference();')
result.append('}')
result.append('')
return result
def make_proxy_g_body(cls):
csname = schema.cpp2csname(cls.get_name())
iname = schema.get_iname(cls)
result = []
# result.append('#if DEBUG')
# result.append('private static int _objCt;')
# result.append('internal static int ObjCt { get { return _objCt; } }')
# result.append('#endif')
# result.append('')
# static methods
result.append('internal static %(csname)s FromNative(%(iname)s* ptr)' % {
'csname': csname,
'iname': iname
})
result.append('{')
result.append(indent + 'return new %s(ptr);' % csname)
result.append('}')
result.append('')
result.append(
'internal static %(csname)s FromNativeOrNull(%(iname)s* ptr)' % {
'csname': csname,
'iname': iname
})
result.append('{')
result.append(indent + 'if (ptr == null) return null;')
result.append(indent + 'return new %s(ptr);' % csname)
result.append('}')
result.append('')
# private fields
result.append('private %s* _self;' % iname)
result.append('')
# ctor
result.append('private %(csname)s(%(iname)s* ptr)' % {
'csname': csname,
'iname': iname
})
result.append('{')
result.append(indent +
'if (ptr == null) throw new ArgumentNullException("ptr");')
result.append(indent + '_self = ptr;')
#
# todo: diagnostics code: Interlocked.Increment(ref _objCt);
#
result.append('}')
result.append('')
isRefCounted = cls.get_parent_capi_name() == "cef_base_ref_counted_t"
isScoped = cls.get_parent_capi_name() == "cef_base_scoped_t"
if isRefCounted:
# disposable
result.append('~%s()' % csname)
result.append('{')
result.append(indent + 'if (_self != null)')
result.append(indent + '{')
result.append(indent + indent + 'Release();')
result.append(indent + indent + '_self = null;')
result.append(indent + '}')
result.append('}')
result.append('')
result.append('public void Dispose()')
result.append('{')
result.append(indent + 'if (_self != null)')
result.append(indent + '{')
result.append(indent + indent + 'Release();')
result.append(indent + indent + '_self = null;')
result.append(indent + '}')
result.append(indent + 'GC.SuppressFinalize(this);')
result.append('}')
result.append('')
result.append('internal void AddRef()')
result.append('{')
result.append(indent + '%(iname)s.add_ref(_self);' % {'iname': iname})
result.append('}')
result.append('')
result.append('internal bool Release()')
result.append('{')
result.append(indent + 'return %(iname)s.release(_self) != 0;' %
{'iname': iname})
result.append('}')
result.append('')
result.append('internal bool HasOneRef')
result.append('{')
result.append(indent +
'get { return %(iname)s.has_one_ref(_self) != 0; }' %
{'iname': iname})
result.append('}')
result.append('')
elif isScoped:
result.append("// FIXME: code for CefBaseScoped is not generated")
result.append("")
else:
raise Exception("Unsupported base class name.")
# TODO: use it only if it is really necessary!
# result.append('internal %(iname)s* Pointer' % { 'iname' : iname })
# result.append('{')
# result.append(indent + 'get { return _self; }')
# result.append('}')
# result.append('')
result.append('internal %(iname)s* ToNative()' % {'iname': iname})
result.append('{')
if isRefCounted:
result.append(indent + 'AddRef();')
result.append(indent + 'return _self;')
result.append('}')
return result
