# Copyright (c) 2011 The Chromium Embedded Framework Authors. All rights
# reserved. Use of this source code is governed by a BSD-style license that
# can be found in the LICENSE file.
from cef_parser import *
def make_cpptoc_impl_proto(name, func, parts):
if isinstance(func, obj_function_virtual):
proto = parts['retval']+' CEF_CALLBACK'
else:
proto = 'CEF_EXPORT '+parts['retval']
proto += ' '+name+'('+string.join(parts['args'], ', ')+')'
return proto
def make_cpptoc_function_impl_existing(cls, name, func, impl, defined_names):
notify(name+' has manual edits')
# retrieve the C API prototype parts
parts = func.get_capi_parts(defined_names)
changes = format_translation_changes(impl, parts)
if len(changes) > 0:
notify(name+' prototype changed')
return make_cpptoc_impl_proto(name, func, parts)+'{'+changes+impl['body']+'\n}\n\n'
def make_cpptoc_function_impl_new(cls, name, func, defined_names):
# retrieve the C API prototype parts
parts = func.get_capi_parts(defined_names)
result = make_cpptoc_impl_proto(name, func, parts)+' {'
invalid = []
# retrieve the function arguments
args = func.get_arguments()
# determine the argument types
for arg in args:
if arg.get_arg_type() == 'invalid':
invalid.append(arg.get_name())
# retrieve the function return value
retval = func.get_retval()
retval_type = retval.get_retval_type()
if retval_type == 'invalid':
invalid.append('(return value)')
retval_default = ''
else:
retval_default = retval.get_retval_default(True)
if len(retval_default) > 0:
retval_default = ' '+retval_default;
if len(invalid) > 0:
notify(name+' could not be autogenerated')
# code could not be auto-generated
result += '\n // BEGIN DELETE BEFORE MODIFYING'
result += '\n // AUTO-GENERATED CONTENT'
result += '\n // COULD NOT IMPLEMENT DUE TO: '+string.join(invalid, ', ')
result += '\n #pragma message("Warning: "__FILE__": '+name+' is not implemented")'
result += '\n // END DELETE BEFORE MODIFYING'
result += '\n}\n\n'
return result
result += '\n // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING\n'
result_len = len(result)
optional = []
# parameter verification
if isinstance(func, obj_function_virtual):
result += '\n DCHECK(self);'\
'\n if (!self)'\
'\n return'+retval_default+';'
for arg in args:
arg_type = arg.get_arg_type()
arg_name = arg.get_type().get_name()
# skip optional params
optional_params = arg.parent.get_attrib_list('optional_param')
if not optional_params is None and arg_name in optional_params:
optional.append(arg_name)
continue
comment = '\n // Verify param: '+arg_name+'; type: '+arg_type
if arg_type == 'simple_byref' or arg_type == 'simple_byref_const' or \
arg_type == 'simple_byaddr' or arg_type == 'bool_byref' or arg_type == 'bool_byaddr' or \
arg_type == 'struct_byref_const' or arg_type == 'struct_byref' or \
arg_type == 'string_byref_const' or arg_type == 'string_byref' or \
arg_type == 'refptr_same' or arg_type == 'refptr_same_byref' or \
arg_type == 'refptr_diff' or arg_type == 'refptr_diff_byref' or \
arg_type == 'ownptr_same' or arg_type == 'ownptr_same_byref' or \
arg_type == 'ownptr_diff' or arg_type == 'ownptr_diff_byref' or \
arg_type == 'rawptr_same' or arg_type == 'rawptr_same_byref' or \
arg_type == 'rawptr_diff' or arg_type == 'rawptr_diff_byref' or \
arg_type == 'string_vec_byref' or arg_type == 'string_vec_byref_const' or \
arg_type == 'string_map_single_byref' or arg_type == 'string_map_single_byref_const' or \
arg_type == 'string_map_multi_byref' or arg_type == 'string_map_multi_byref_const':
result += comment+\
'\n DCHECK('+arg_name+');'\
'\n if (!'+arg_name+')'\
'\n return'+retval_default+';'
elif arg_type == 'simple_vec_byref' or arg_type == 'bool_vec_byref' or \
arg_type == 'refptr_vec_same_byref' or arg_type == 'refptr_vec_diff_byref' or \
arg_type == 'ownptr_vec_same_byref' or arg_type == 'ownptr_vec_diff_byref' or \
arg_type == 'rawptr_vec_same_byref' or arg_type == 'rawptr_vec_diff_byref':
result += comment+\
'\n DCHECK('+arg_name+'Count && (*'+arg_name+'Count == 0 || '+arg_name+'));'\
'\n if (!'+arg_name+'Count || (*'+arg_name+'Count > 0 && !'+arg_name+'))'\
'\n return'+retval_default+';'
elif arg_type == 'simple_vec_byref_const' or arg_type == 'bool_vec_byref_const' or \
arg_type == 'refptr_vec_same_byref_const' or arg_type == 'refptr_vec_diff_byref_const' or \
arg_type == 'ownptr_vec_same_byref_const' or arg_type == 'ownptr_vec_diff_byref_const' or \
arg_type == 'rawptr_vec_same_byref_const' or arg_type == 'rawptr_vec_diff_byref_const':
result += comment+\
'\n DCHECK('+arg_name+'Count == 0 || '+arg_name+');'\
'\n if ('+arg_name+'Count > 0 && !'+arg_name+')'\
'\n return'+retval_default+';'
# check index params
index_params = arg.parent.get_attrib_list('index_param')
if not index_params is None and arg_name in index_params:
result += comment+\
'\n DCHECK_GE('+arg_name+', 0);'\
'\n if ('+arg_name+' < 0)'\
'\n return'+retval_default+';'
if len(optional) > 0:
# Wrap the comment at 80 characters.
str = '\n // Unverified params: ' + optional[0]
for name in optional[1:]:
str += ','
if len(str) + len(name) + 1 > 80:
result += str
str = '\n //'
str += ' ' + name
result += str
if len(result) != result_len:
result += '\n'
result_len = len(result)
# parameter translation
params = []
for arg in args:
arg_type = arg.get_arg_type()
arg_name = arg.get_type().get_name()
comment = '\n // Translate param: '+arg_name+'; type: '+arg_type
if arg_type == 'simple_byval' or arg_type == 'simple_byaddr':
params.append(arg_name)
elif arg_type == 'simple_byref' or arg_type == 'simple_byref_const':
data_type = arg.get_type().get_type()
default = arg.get_type().get_result_simple_default()
result += comment+\
'\n '+data_type+' '+arg_name+'Val = '+arg_name+'?*'+arg_name+':'+default+';'
params.append(arg_name+'Val')
elif arg_type == 'bool_byval':
params.append(arg_name+'?true:false')
elif arg_type == 'bool_byref' or arg_type == 'bool_byaddr':
result += comment+\
'\n bool '+arg_name+'Bool = ('+arg_name+' && *'+arg_name+')?true:false;'
if arg_type == 'bool_byref':
params.append(arg_name+'Bool')
else:
params.append('&'+arg_name+'Bool')
elif arg_type == 'struct_byref_const':
struct_type = arg.get_type().get_type()
result += comment+\
'\n '+struct_type+' '+arg_name+'Obj;'\
'\n if ('+arg_name+')'\
'\n '+arg_name+'Obj.Set(*'+arg_name+', false);'
params.append(arg_name+'Obj')
elif arg_type == 'struct_byref':
struct_type = arg.get_type().get_type()
result += comment+\
'\n '+struct_type+' '+arg_name+'Obj;'\
'\n if ('+arg_name+')'\
'\n '+arg_name+'Obj.AttachTo(*'+arg_name+');'
params.append(arg_name+'Obj')
elif arg_type == 'string_byref_const':
params.append('CefString('+arg_name+')')
elif arg_type == 'string_byref':
result += comment+\
'\n CefString '+arg_name+'Str('+arg_name+');'
params.append(arg_name+'Str')
elif arg_type == 'refptr_same' or arg_type == 'refptr_diff':
ptr_class = arg.get_type().get_ptr_type()
if arg_type == 'refptr_same':
params.append(ptr_class+'CppToC::Unwrap('+arg_name+')')
else:
params.append(ptr_class+'CToCpp::Wrap('+arg_name+')')
elif arg_type == 'ownptr_same' or arg_type == 'rawptr_same':
ptr_class = arg.get_type().get_ptr_type()
if arg_type == 'ownptr_same':
params.append(ptr_class+'CppToC::UnwrapOwn('+arg_name+')')
else:
params.append(ptr_class+'CppToC::UnwrapRaw('+arg_name+')')
elif arg_type == 'ownptr_diff' or arg_type == 'rawptr_diff':
ptr_class = arg.get_type().get_ptr_type()
result += comment+\
'\n CefOwnPtr<'+ptr_class+'> '+arg_name+'Ptr('+ptr_class+'CToCpp::Wrap('+arg_name+'));'
if arg_type == 'ownptr_diff':
params.append('OWN_PASS('+arg_name+'Ptr)')
else:
params.append(arg_name+'Ptr.get()')
elif arg_type == 'refptr_same_byref' or arg_type == 'refptr_diff_byref':
ptr_class = arg.get_type().get_ptr_type()
if arg_type == 'refptr_same_byref':
assign = ptr_class+'CppToC::Unwrap(*'+arg_name+')'
else:
assign = ptr_class+'CToCpp::Wrap(*'+arg_name+')'
result += comment+\
'\n CefRefPtr<'+ptr_class+'> '+arg_name+'Ptr;'\
'\n if ('+arg_name+' && *'+arg_name+')'\
'\n '+arg_name+'Ptr = '+assign+';'\
'\n '+ptr_class+'* '+arg_name+'Orig = '+arg_name+'Ptr.get();'
params.append(arg_name+'Ptr')
elif arg_type == 'string_vec_byref' or arg_type == 'string_vec_byref_const':
result += comment+\
'\n std::vector<CefString> '+arg_name+'List;'\
'\n transfer_string_list_contents('+arg_name+', '+arg_name+'List);'
params.append(arg_name+'List')
elif arg_type == 'string_map_single_byref' or arg_type == 'string_map_single_byref_const':
result += comment+\
'\n std::map<CefString, CefString> '+arg_name+'Map;'\
'\n transfer_string_map_contents('+arg_name+', '+arg_name+'Map);'
params.append(arg_name+'Map')
elif arg_type == 'string_map_multi_byref' or arg_type == 'string_map_multi_byref_const':
result += comment+\
'\n std::multimap<CefString, CefString> '+arg_name+'Multimap;'\
'\n transfer_string_multimap_contents('+arg_name+', '+arg_name+'Multimap);'
params.append(arg_name+'Multimap')
elif arg_type == 'simple_vec_byref' or arg_type == 'bool_vec_byref' or \
arg_type == 'refptr_vec_same_byref' or arg_type == 'refptr_vec_diff_byref':
vec_type = arg.get_type().get_vector_type()
if arg_type == 'simple_vec_byref':
assign = arg_name+'[i]'
elif arg_type == 'bool_vec_byref':
assign = arg_name+'[i]?true:false'
elif arg_type == 'refptr_vec_same_byref':
ptr_class = arg.get_type().get_ptr_type()
assign = ptr_class+'CppToC::Unwrap('+arg_name+'[i])'
elif arg_type == 'refptr_vec_diff_byref':
ptr_class = arg.get_type().get_ptr_type()
assign = ptr_class+'CToCpp::Wrap('+arg_name+'[i])'
result += comment+\
'\n std::vector<'+vec_type+' > '+arg_name+'List;'\
'\n if ('+arg_name+'Count && *'+arg_name+'Count > 0 && '+arg_name+') {'\
'\n for (size_t i = 0; i < *'+arg_name+'Count; ++i) {'\
'\n '+arg_name+'List.push_back('+assign+');'\
'\n }'\
'\n }'
params.append(arg_name+'List')
elif arg_type == 'simple_vec_byref_const' or arg_type == 'bool_vec_byref_const' or \
arg_type == 'refptr_vec_same_byref_const' or arg_type == 'refptr_vec_diff_byref_const' or \
arg_type == 'rawptr_vec_same_byref_const' or arg_type == 'rawptr_vec_diff_byref_const':
vec_type = arg.get_type().get_vector_type()
if arg_type == 'simple_vec_byref_const':
assign = arg_name+'[i]'
elif arg_type == 'bool_vec_byref_const':
assign = arg_name+'[i]?true:false'
else:
ptr_class = arg.get_type().get_ptr_type()
if arg_type == 'refptr_vec_same_byref_const':
assign = ptr_class+'CppToC::Unwrap('+arg_name+'[i])'
elif arg_type == 'refptr_vec_diff_byref_const':
assign = ptr_class+'CToCpp::Wrap('+arg_name+'[i])'
elif arg_type == 'rawptr_vec_same_byref_const':
assign = ptr_class+'CppToC::UnwrapRaw('+arg_name+'[i])'
elif arg_type == 'rawptr_vec_diff_byref_const':
assign = ptr_class+'CToCpp::Wrap('+arg_name+'[i]).release()'
result += comment+\
'\n std::vector<'+vec_type+' > '+arg_name+'List;'\
'\n if ('+arg_name+'Count > 0) {'\
'\n for (size_t i = 0; i < '+arg_name+'Count; ++i) {'\
'\n '+vec_type+' '+arg_name+'Val = '+assign+';'\
'\n '+arg_name+'List.push_back('+arg_name+'Val);'\
'\n }'\
'\n }'
params.append(arg_name+'List')
else:
raise Exception('Unsupported argument type %s for parameter %s in %s' % (arg_type, arg_name, name))
if len(result) != result_len:
result += '\n'
result_len = len(result)
# execution
result += '\n // Execute\n '
if retval_type != 'none':
# has a return value
if retval_type == 'simple':
result += retval.get_type().get_result_simple_type()
else:
result += retval.get_type().get_type()
result += ' _retval = '
if isinstance(func.parent, obj_class):
# virtual and static class methods
if isinstance(func, obj_function_virtual):
if cls.get_name() == func.parent.get_name():
# virtual method for the current class
result += func.parent.get_name()+'CppToC::Get(self)->'
else:
# virtual method for a parent class
result += cls.get_name()+'CppToC::Get(reinterpret_cast<'+cls.get_capi_name()+'*>(self))->'
else:
result += func.parent.get_name()+'::'
result += func.get_name()+'('
if len(params) > 0:
result += '\n '+string.join(params,',\n ')
result += ');\n'
result_len = len(result)
# parameter restoration
for arg in args:
arg_type = arg.get_arg_type()
arg_name = arg.get_type().get_name()
comment = '\n // Restore param: '+arg_name+'; type: '+arg_type
if arg_type == 'simple_byref':
result += comment+\
'\n if ('+arg_name+')'\
'\n *'+arg_name+' = '+arg_name+'Val;'
elif arg_type == 'bool_byref' or arg_type == 'bool_byaddr':
result += comment+\
'\n if ('+arg_name+')'\
'\n *'+arg_name+' = '+arg_name+'Bool?true:false;'
elif arg_type == 'struct_byref':
result += comment+\
'\n if ('+arg_name+')'\
'\n '+arg_name+'Obj.DetachTo(*'+arg_name+');'
elif arg_type == 'refptr_same_byref' or arg_type == 'refptr_diff_byref':
ptr_class = arg.get_type().get_ptr_type()
if arg_type == 'refptr_same_byref':
assign = ptr_class+'CppToC::Wrap('+arg_name+'Ptr)'
else:
assign = ptr_class+'CToCpp::Unwrap('+arg_name+'Ptr)'
result += comment+\
'\n if ('+arg_name+') {'\
'\n if ('+arg_name+'Ptr.get()) {'\
'\n if ('+arg_name+'Ptr.get() != '+arg_name+'Orig) {'\
'\n *'+arg_name+' = '+assign+';'\
'\n }'\
'\n } else {'\
'\n *'+arg_name+' = NULL;'\
'\n }'\
'\n }'
elif arg_type == 'string_vec_byref':
result += comment+\
'\n cef_string_list_clear('+arg_name+');'\
'\n transfer_string_list_contents('+arg_name+'List, '+arg_name+');'
elif arg_type == 'string_map_single_byref':
result += comment+\
'\n cef_string_map_clear('+arg_name+');'\
'\n transfer_string_map_contents('+arg_name+'Map, '+arg_name+');'
elif arg_type == 'string_map_multi_byref':
result += comment+\
'\n cef_string_multimap_clear('+arg_name+');'\
'\n transfer_string_multimap_contents('+arg_name+'Multimap, '+arg_name+');'
elif arg_type == 'simple_vec_byref' or arg_type == 'bool_vec_byref' or \
arg_type == 'refptr_vec_same_byref' or arg_type == 'refptr_vec_diff_byref':
if arg_type == 'simple_vec_byref' or arg_type == 'bool_vec_byref':
assign = arg_name+'List[i]'
elif arg_type == 'refptr_vec_same_byref':
ptr_class = arg.get_type().get_ptr_type()
assign = ptr_class+'CppToC::Wrap('+arg_name+'List[i])'
elif arg_type == 'refptr_vec_diff_byref':
ptr_class = arg.get_type().get_ptr_type()
assign = ptr_class+'CToCpp::Unwrap('+arg_name+'List[i])'
result += comment+\
'\n if ('+arg_name+'Count && '+arg_name+') {'\
'\n *'+arg_name+'Count = std::min('+arg_name+'List.size(), *'+arg_name+'Count);'\
'\n if (*'+arg_name+'Count > 0) {'\
'\n for (size_t i = 0; i < *'+arg_name+'Count; ++i) {'\
'\n '+arg_name+'[i] = '+assign+';'\
'\n }'\
'\n }'\
'\n }'
elif arg_type == 'rawptr_vec_diff_byref_const':
result += comment+\
'\n if ('+arg_name+'Count > 0) {'\
'\n for (size_t i = 0; i < '+arg_name+'Count; ++i) {'\
'\n delete '+arg_name+'List[i];'\
'\n }'\
'\n }'
if len(result) != result_len:
result += '\n'
result_len = len(result)
# special handling for the global cef_shutdown function
if name == 'cef_shutdown' and isinstance(func.parent, obj_header):
classes = func.parent.get_classes()
names = []
for tmpcls in classes:
if tmpcls.has_attrib('no_debugct_check'):
continue;
if tmpcls.is_library_side():
names.append(tmpcls.get_name()+'CppToC')
else:
names.append(tmpcls.get_name()+'CToCpp')
if len(names) > 0:
names = sorted(names)
result += '\n#if DCHECK_IS_ON()'\
'\n // Check that all wrapper objects have been destroyed'
for name in names:
result += '\n DCHECK(base::AtomicRefCountIsZero(&'+name+'::DebugObjCt));';
result += '\n#endif // DCHECK_IS_ON()'
if len(result) != result_len:
result += '\n'
result_len = len(result)
# return translation
if retval_type != 'none':
# has a return value
result += '\n // Return type: '+retval_type
if retval_type == 'simple' or retval_type == 'bool':
result += '\n return _retval;'
elif retval_type == 'string':
result += '\n return _retval.DetachToUserFree();'
elif retval_type == 'refptr_same':
ptr_class = retval.get_type().get_ptr_type()
result += '\n return '+ptr_class+'CppToC::Wrap(_retval);'
elif retval_type == 'refptr_diff':
ptr_class = retval.get_type().get_ptr_type()
result += '\n return '+ptr_class+'CToCpp::Unwrap(_retval);'
elif retval_type == 'ownptr_same':
ptr_class = retval.get_type().get_ptr_type()
result += '\n return '+ptr_class+'CppToC::WrapOwn(OWN_PASS(_retval));'
elif retval_type == 'ownptr_diff':
ptr_class = retval.get_type().get_ptr_type()
result += '\n return '+ptr_class+'CToCpp::UnwrapOwn(OWN_PASS(_retval));'
else:
raise Exception('Unsupported return type %s in %s' % (retval_type, name))
if len(result) != result_len:
result += '\n'
result += '}\n\n'
return result
def make_cpptoc_function_impl(cls, funcs, existing, prefixname, defined_names):
impl = ''
for func in funcs:
if not prefixname is None:
name = prefixname+'_'+func.get_capi_name()
else:
name = func.get_capi_name()
value = get_next_function_impl(existing, name)
if not value is None \
and value['body'].find('// AUTO-GENERATED CONTENT') < 0:
# an implementation exists that was not auto-generated
impl += make_cpptoc_function_impl_existing(cls, name, func, value, defined_names)
else:
impl += make_cpptoc_function_impl_new(cls, name, func, defined_names)
return impl
def make_cpptoc_virtual_function_impl(header, cls, existing, prefixname, defined_names):
funcs = []
funcs.extend(cls.get_virtual_funcs())
cur_cls = cls
while True:
parent_name = cur_cls.get_parent_name()
if is_base_class(parent_name):
break
else:
parent_cls = header.get_class(parent_name, defined_names)
if parent_cls is None:
raise Exception('Class does not exist: '+parent_name)
funcs.extend(parent_cls.get_virtual_funcs())
cur_cls = header.get_class(parent_name, defined_names)
return make_cpptoc_function_impl(cls, funcs, existing, prefixname, defined_names)
def make_cpptoc_virtual_function_assignment_block(funcs, offset, prefixname):
impl = ''
for func in funcs:
name = func.get_capi_name()
impl += ' GetStruct()->'+offset+name+' = '+prefixname+'_'+name+';\n'
return impl
def make_cpptoc_virtual_function_assignment(header, cls, prefixname, defined_names):
impl = make_cpptoc_virtual_function_assignment_block(cls.get_virtual_funcs(), '', prefixname)
cur_cls = cls
offset = ''
while True:
parent_name = cur_cls.get_parent_name()
offset += 'base.'
if is_base_class(parent_name):
break
else:
parent_cls = header.get_class(parent_name, defined_names)
if parent_cls is None:
raise Exception('Class does not exist: '+parent_name)
impl += make_cpptoc_virtual_function_assignment_block(parent_cls.get_virtual_funcs(), offset, prefixname)
cur_cls = header.get_class(parent_name, defined_names)
return impl
def make_cpptoc_unwrap_derived(header, cls, base_scoped):
# identify all classes that derive from cls
derived_classes = []
cur_clsname = cls.get_name()
allclasses = header.get_classes()
for cur_cls in allclasses:
if cur_cls.get_name() == cur_clsname:
continue
if cur_cls.has_parent(cur_clsname):
derived_classes.append(cur_cls.get_name())
derived_classes = sorted(derived_classes)
if base_scoped:
impl = ['', '']
for clsname in derived_classes:
impl[0] += ' if (type == '+get_wrapper_type_enum(clsname)+') {\n'+\
' return OWN_RETURN_AS('+clsname+'CppToC::UnwrapOwn(reinterpret_cast<'+\
get_capi_name(clsname, True)+'*>(s)), '+cur_clsname+');\n'+\
' }\n'
impl[1] += ' if (type == '+get_wrapper_type_enum(clsname)+') {\n'+\
' return '+clsname+'CppToC::UnwrapRaw(reinterpret_cast<'+\
get_capi_name(clsname, True)+'*>(s));\n'+\
' }\n'
else:
impl = ''
for clsname in derived_classes:
impl += ' if (type == '+get_wrapper_type_enum(clsname)+') {\n'+\
' return '+clsname+'CppToC::Unwrap(reinterpret_cast<'+\
get_capi_name(clsname, True)+'*>(s));\n'+\
' }\n'
return impl
def make_cpptoc_class_impl(header, clsname, impl):
# structure names that have already been defined
defined_names = header.get_defined_structs()
# retrieve the class and populate the defined names
cls = header.get_class(clsname, defined_names)
if cls is None:
raise Exception('Class does not exist: '+clsname)
capiname = cls.get_capi_name()
prefixname = get_capi_name(clsname[3:], False)
# retrieve the existing virtual function implementations
existing = get_function_impls(impl, 'CEF_CALLBACK')
base_class_name = header.get_base_class_name(clsname)
base_scoped = True if base_class_name == 'CefBaseScoped' else False
if base_scoped:
template_class = 'CefCppToCScoped'
else:
template_class = 'CefCppToCRefCounted'
# generate virtual functions
virtualimpl = make_cpptoc_virtual_function_impl(header, cls, existing, prefixname, defined_names)
if len(virtualimpl) > 0:
virtualimpl = '\nnamespace {\n\n// MEMBER FUNCTIONS - Body may be edited by hand.\n\n'+virtualimpl+'} // namespace'
# the current class is already defined for static functions
defined_names.append(cls.get_capi_name())
# retrieve the existing static function implementations
existing = get_function_impls(impl, 'CEF_EXPORT')
# generate static functions
staticimpl = make_cpptoc_function_impl(cls, cls.get_static_funcs(), existing, None, defined_names)
if len(staticimpl) > 0:
staticimpl = '\n// GLOBAL FUNCTIONS - Body may be edited by hand.\n\n'+staticimpl
resultingimpl = staticimpl + virtualimpl
# any derived classes can be unwrapped
unwrapderived = make_cpptoc_unwrap_derived(header, cls, base_scoped)
# determine what includes are required by identifying what translation
# classes are being used
includes = format_translation_includes(header, resultingimpl + (unwrapderived[0] if base_scoped else unwrapderived))
# build the final output
result = get_copyright()
result += includes+'\n'+resultingimpl+'\n'
parent_sig = template_class+'<'+clsname+'CppToC, '+clsname+', '+capiname+'>'
const = '// CONSTRUCTOR - Do not edit by hand.\n\n'+ \
clsname+'CppToC::'+clsname+'CppToC() {\n'
const += make_cpptoc_virtual_function_assignment(header, cls, prefixname, defined_names)
const += '}\n\n'
if base_scoped:
const += 'template<> CefOwnPtr<'+clsname+'> '+parent_sig+'::UnwrapDerivedOwn(CefWrapperType type, '+capiname+'* s) {\n' + \
unwrapderived[0] + \
' NOTREACHED() << "Unexpected class type: " << type;\n'+ \
' return CefOwnPtr<'+clsname+'>();\n'+ \
'}\n\n' + \
'template<> CefRawPtr<'+clsname+'> '+parent_sig+'::UnwrapDerivedRaw(CefWrapperType type, '+capiname+'* s) {\n' + \
unwrapderived[1] + \
' NOTREACHED() << "Unexpected class type: " << type;\n'+ \
' return NULL;\n'+ \
'}\n\n'
else:
const += 'template<> CefRefPtr<'+clsname+'> '+parent_sig+'::UnwrapDerived(CefWrapperType type, '+capiname+'* s) {\n' + \
unwrapderived + \
' NOTREACHED() << "Unexpected class type: " << type;\n'+ \
' return NULL;\n'+ \
'}\n\n'
const += '#if DCHECK_IS_ON()\n'+ \
'template<> base::AtomicRefCount '+parent_sig+'::DebugObjCt = 0;\n'+ \
'#endif\n\n'+ \
'template<> CefWrapperType '+parent_sig+'::kWrapperType = '+get_wrapper_type_enum(clsname)+';'
result += '\n\n'+const
return result
def make_cpptoc_global_impl(header, impl):
# structure names that have already been defined
defined_names = header.get_defined_structs()
# retrieve the existing global function implementations
existing = get_function_impls(impl, 'CEF_EXPORT')
# generate global functions
impl = make_cpptoc_function_impl(None, header.get_funcs(), existing, None, defined_names)
if len(impl) > 0:
impl = '\n// GLOBAL FUNCTIONS - Body may be edited by hand.\n\n'+impl
includes = ''
# include required headers for global functions
filenames = []
for func in header.get_funcs():
filename = func.get_file_name()
if not filename in filenames:
includes += '#include "include/'+func.get_file_name()+'"\n' \
'#include "include/capi/'+func.get_capi_file_name()+'"\n'
filenames.append(filename)
# determine what includes are required by identifying what translation
# classes are being used
includes += format_translation_includes(header, impl)
# build the final output
result = get_copyright()
result += includes+'\n'+impl
return result
def write_cpptoc_impl(header, clsname, dir):
if clsname is None:
# global file
file = dir
else:
# class file
# give the output file the same directory offset as the input file
cls = header.get_class(clsname)
dir = os.path.dirname(os.path.join(dir, cls.get_file_name()))
file = os.path.join(dir, get_capi_name(clsname[3:], False)+'_cpptoc.cc')
if path_exists(file):
oldcontents = read_file(file)
else:
oldcontents = ''
if clsname is None:
newcontents = make_cpptoc_global_impl(header, oldcontents)
else:
newcontents = make_cpptoc_class_impl(header, clsname, oldcontents)
return (file, newcontents)
# test the module
if __name__ == "__main__":
import sys
# verify that the correct number of command-line arguments are provided
if len(sys.argv) < 4:
sys.stderr.write('Usage: '+sys.argv[0]+' <infile> <classname> <existing_impl>')
sys.exit()
# create the header object
header = obj_header()
header.add_file(sys.argv[1])
# read the existing implementation file into memory
try:
f = open(sys.argv[3], 'r')
data = f.read()
except IOError, (errno, strerror):
raise Exception('Failed to read file '+sys.argv[3]+': '+strerror)
else:
f.close()
# dump the result to stdout
sys.stdout.write(make_cpptoc_class_impl(header, sys.argv[2], data))