564 lines
24 KiB
Python
564 lines
24 KiB
Python
# Copyright (c) 2011 The Chromium Embedded Framework Authors. All rights
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# reserved. Use of this source code is governed by a BSD-style license that
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# can be found in the LICENSE file.
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from cef_parser import *
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def make_cpptoc_impl_proto(name, func, parts):
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if isinstance(func, obj_function_virtual):
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proto = parts['retval']+' CEF_CALLBACK'
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else:
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proto = 'CEF_EXPORT '+parts['retval']
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proto += ' '+name+'('+string.join(parts['args'], ', ')+')'
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return proto
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def make_cpptoc_function_impl_existing(name, func, impl, defined_names):
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notify(name+' has manual edits')
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# retrieve the C API prototype parts
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parts = func.get_capi_parts(defined_names)
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changes = format_translation_changes(impl, parts)
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if len(changes) > 0:
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notify(name+' prototype changed')
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return wrap_code(make_cpptoc_impl_proto(name, func, parts))+'{'+ \
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changes+impl['body']+'\n}\n'
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return result
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def make_cpptoc_function_impl_new(name, func, defined_names):
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# retrieve the C API prototype parts
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parts = func.get_capi_parts(defined_names)
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result = make_cpptoc_impl_proto(name, func, parts)+' {'
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invalid = []
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# retrieve the function arguments
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args = func.get_arguments()
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# determine the argument types
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for arg in args:
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if arg.get_arg_type() == 'invalid':
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invalid.append(arg.get_name())
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# retrieve the function return value
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retval = func.get_retval()
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retval_type = retval.get_retval_type()
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if retval_type == 'invalid':
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invalid.append('(return value)')
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retval_default = ''
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else:
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retval_default = retval.get_retval_default(True)
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if len(retval_default) > 0:
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retval_default = ' '+retval_default;
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if len(invalid) > 0:
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notify(name+' could not be autogenerated')
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# code could not be auto-generated
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result += '\n // BEGIN DELETE BEFORE MODIFYING'
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result += '\n // AUTO-GENERATED CONTENT'
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result += '\n // COULD NOT IMPLEMENT DUE TO: '+string.join(invalid, ', ')
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result += '\n #pragma message("Warning: "__FILE__": '+name+' is not implemented")'
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result += '\n // END DELETE BEFORE MODIFYING'
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result += '\n}\n\n'
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return wrap_code(result)
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result += '\n // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING\n'
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result_len = len(result)
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optional = []
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# parameter verification
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if isinstance(func, obj_function_virtual):
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result += '\n DCHECK(self);'\
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'\n if (!self)'\
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'\n return'+retval_default+';'
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for arg in args:
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arg_type = arg.get_arg_type()
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arg_name = arg.get_type().get_name()
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# skip optional params
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optional_params = arg.parent.get_attrib_list('optional_param')
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if not optional_params is None and arg_name in optional_params:
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optional.append(arg_name)
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continue
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comment = '\n // Verify param: '+arg_name+'; type: '+arg_type
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if arg_type == 'simple_byref' or arg_type == 'simple_byref_const' or \
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arg_type == 'simple_byaddr' or arg_type == 'bool_byref' or arg_type == 'bool_byaddr' or \
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arg_type == 'struct_byref_const' or arg_type == 'struct_byref' or \
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arg_type == 'string_byref_const' or arg_type == 'string_byref' or \
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arg_type == 'refptr_same' or arg_type == 'refptr_same_byref' or \
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arg_type == 'refptr_diff' or arg_type == 'refptr_diff_byref' or \
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arg_type == 'string_vec_byref' or arg_type == 'string_vec_byref_const' or \
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arg_type == 'string_map_single_byref' or arg_type == 'string_map_single_byref_const' or \
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arg_type == 'string_map_multi_byref' or arg_type == 'string_map_multi_byref_const':
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result += comment+\
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'\n DCHECK('+arg_name+');'\
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'\n if (!'+arg_name+')'\
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'\n return'+retval_default+';'
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elif arg_type == 'simple_vec_byref' or arg_type == 'bool_vec_byref' or \
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arg_type == 'refptr_vec_same_byref' or arg_type == 'refptr_vec_diff_byref':
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result += comment+\
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'\n DCHECK('+arg_name+'Count && (*'+arg_name+'Count == 0 || '+arg_name+'));'\
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'\n if (!'+arg_name+'Count || (*'+arg_name+'Count > 0 && !'+arg_name+'))'\
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'\n return'+retval_default+';'
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elif arg_type == 'simple_vec_byref_const' or arg_type == 'bool_vec_byref_const' or \
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arg_type == 'refptr_vec_same_byref_const' or arg_type == 'refptr_vec_diff_byref_const':
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result += comment+\
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'\n DCHECK('+arg_name+'Count == 0 || '+arg_name+');'\
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'\n if ('+arg_name+'Count > 0 && !'+arg_name+')'\
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'\n return'+retval_default+';'
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# check index params
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index_params = arg.parent.get_attrib_list('index_param')
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if not index_params is None and arg_name in index_params:
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result += comment+\
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'\n DCHECK_GE('+arg_name+', 0);'\
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'\n if ('+arg_name+' < 0)'\
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'\n return'+retval_default+';'
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if len(optional) > 0:
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result += '\n // Unverified params: '+string.join(optional,', ')
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if len(result) != result_len:
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result += '\n'
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result_len = len(result)
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# parameter translation
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params = []
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for arg in args:
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arg_type = arg.get_arg_type()
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arg_name = arg.get_type().get_name()
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comment = '\n // Translate param: '+arg_name+'; type: '+arg_type
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if arg_type == 'simple_byval' or arg_type == 'simple_byaddr':
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params.append(arg_name)
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elif arg_type == 'simple_byref' or arg_type == 'simple_byref_const':
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data_type = arg.get_type().get_type()
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default = arg.get_type().get_result_simple_default()
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result += comment+\
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'\n '+data_type+' '+arg_name+'Val = '+arg_name+'?*'+arg_name+':'+default+';'
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params.append(arg_name+'Val')
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elif arg_type == 'bool_byval':
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params.append(arg_name+'?true:false')
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elif arg_type == 'bool_byref' or arg_type == 'bool_byaddr':
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result += comment+\
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'\n bool '+arg_name+'Bool = ('+arg_name+' && *'+arg_name+')?true:false;'
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if arg_type == 'bool_byref':
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params.append(arg_name+'Bool')
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else:
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params.append('&'+arg_name+'Bool')
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elif arg_type == 'struct_byref_const':
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struct_type = arg.get_type().get_type()
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result += comment+\
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'\n '+struct_type+' '+arg_name+'Obj;'\
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'\n if ('+arg_name+')'\
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'\n '+arg_name+'Obj.Set(*'+arg_name+', false);'
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params.append(arg_name+'Obj')
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elif arg_type == 'struct_byref':
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struct_type = arg.get_type().get_type()
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result += comment+\
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'\n '+struct_type+' '+arg_name+'Obj;'\
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'\n if ('+arg_name+')'\
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'\n '+arg_name+'Obj.AttachTo(*'+arg_name+');'
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params.append(arg_name+'Obj')
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elif arg_type == 'string_byref_const':
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params.append('CefString('+arg_name+')')
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elif arg_type == 'string_byref':
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result += comment+\
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'\n CefString '+arg_name+'Str('+arg_name+');'
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params.append(arg_name+'Str')
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elif arg_type == 'refptr_same' or arg_type == 'refptr_diff':
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refptr_class = arg.get_type().get_refptr_type()
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if arg_type == 'refptr_same':
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params.append(refptr_class+'CppToC::Unwrap('+arg_name+')')
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else:
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params.append(refptr_class+'CToCpp::Wrap('+arg_name+')')
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elif arg_type == 'refptr_same_byref' or arg_type == 'refptr_diff_byref':
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refptr_class = arg.get_type().get_refptr_type()
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if arg_type == 'refptr_same_byref':
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assign = refptr_class+'CppToC::Unwrap(*'+arg_name+')'
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else:
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assign = refptr_class+'CToCpp::Wrap(*'+arg_name+')'
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result += comment+\
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'\n CefRefPtr<'+refptr_class+'> '+arg_name+'Ptr;'\
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'\n if ('+arg_name+' && *'+arg_name+')'\
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'\n '+arg_name+'Ptr = '+assign+';'\
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'\n '+refptr_class+'* '+arg_name+'Orig = '+arg_name+'Ptr.get();'
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params.append(arg_name+'Ptr')
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elif arg_type == 'string_vec_byref' or arg_type == 'string_vec_byref_const':
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result += comment+\
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'\n std::vector<CefString> '+arg_name+'List;'\
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'\n transfer_string_list_contents('+arg_name+', '+arg_name+'List);'
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params.append(arg_name+'List')
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elif arg_type == 'string_map_single_byref' or arg_type == 'string_map_single_byref_const':
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result += comment+\
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'\n std::map<CefString, CefString> '+arg_name+'Map;'\
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'\n transfer_string_map_contents('+arg_name+', '+arg_name+'Map);'
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params.append(arg_name+'Map')
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elif arg_type == 'string_map_multi_byref' or arg_type == 'string_map_multi_byref_const':
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result += comment+\
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'\n std::multimap<CefString, CefString> '+arg_name+'Multimap;'\
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'\n transfer_string_multimap_contents('+arg_name+', '+arg_name+'Multimap);'
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params.append(arg_name+'Multimap')
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elif arg_type == 'simple_vec_byref' or arg_type == 'bool_vec_byref' or \
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arg_type == 'refptr_vec_same_byref' or arg_type == 'refptr_vec_diff_byref':
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vec_type = arg.get_type().get_vector_type()
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if arg_type == 'simple_vec_byref':
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assign = arg_name+'[i]'
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elif arg_type == 'bool_vec_byref':
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assign = arg_name+'[i]?true:false'
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elif arg_type == 'refptr_vec_same_byref':
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refptr_class = arg.get_type().get_refptr_type()
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assign = refptr_class+'CppToC::Unwrap('+arg_name+'[i])'
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elif arg_type == 'refptr_vec_diff_byref':
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refptr_class = arg.get_type().get_refptr_type()
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assign = refptr_class+'CToCpp::Wrap('+arg_name+'[i])'
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result += comment+\
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'\n std::vector<'+vec_type+' > '+arg_name+'List;'\
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'\n if ('+arg_name+'Count && *'+arg_name+'Count > 0 && '+arg_name+') {'\
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'\n for (size_t i = 0; i < *'+arg_name+'Count; ++i) {'\
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'\n '+arg_name+'List.push_back('+assign+');'\
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'\n }'\
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'\n }'
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params.append(arg_name+'List')
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elif arg_type == 'simple_vec_byref_const' or arg_type == 'bool_vec_byref_const' or \
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arg_type == 'refptr_vec_same_byref_const' or arg_type == 'refptr_vec_diff_byref_const':
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vec_type = arg.get_type().get_vector_type()
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if arg_type == 'simple_vec_byref_const':
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assign = arg_name+'[i]'
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elif arg_type == 'bool_vec_byref_const':
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assign = arg_name+'[i]?true:false'
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elif arg_type == 'refptr_vec_same_byref_const':
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refptr_class = arg.get_type().get_refptr_type()
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assign = refptr_class+'CppToC::Unwrap('+arg_name+'[i])'
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elif arg_type == 'refptr_vec_diff_byref_const':
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refptr_class = arg.get_type().get_refptr_type()
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assign = refptr_class+'CToCpp::Wrap('+arg_name+'[i])'
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result += comment+\
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'\n std::vector<'+vec_type+' > '+arg_name+'List;'\
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'\n if ('+arg_name+'Count > 0) {'\
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'\n for (size_t i = 0; i < '+arg_name+'Count; ++i) {'\
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'\n '+arg_name+'List.push_back('+assign+');'\
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'\n }'\
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'\n }'
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params.append(arg_name+'List')
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if len(result) != result_len:
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result += '\n'
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result_len = len(result)
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# execution
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result += '\n // Execute\n '
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if retval_type != 'none':
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# has a return value
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if retval_type == 'simple':
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result += retval.get_type().get_result_simple_type()
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else:
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result += retval.get_type().get_type()
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result += ' _retval = '
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if isinstance(func.parent, obj_class):
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# virtual and static class methods
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if isinstance(func, obj_function_virtual):
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result += func.parent.get_name()+'CppToC::Get(self)->'
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else:
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result += func.parent.get_name()+'::'
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result += func.get_name()+'('
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if len(params) > 0:
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result += '\n '+string.join(params,',\n ')
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result += ');\n'
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result_len = len(result)
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# parameter restoration
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for arg in args:
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arg_type = arg.get_arg_type()
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arg_name = arg.get_type().get_name()
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comment = '\n // Restore param: '+arg_name+'; type: '+arg_type
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if arg_type == 'simple_byref':
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result += comment+\
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'\n if ('+arg_name+')'\
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'\n *'+arg_name+' = '+arg_name+'Val;'
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elif arg_type == 'bool_byref' or arg_type == 'bool_byaddr':
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result += comment+\
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'\n if ('+arg_name+')'\
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'\n *'+arg_name+' = '+arg_name+'Bool?true:false;'
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elif arg_type == 'struct_byref':
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result += comment+\
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'\n if ('+arg_name+')'\
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'\n '+arg_name+'Obj.DetachTo(*'+arg_name+');'
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elif arg_type == 'refptr_same_byref' or arg_type == 'refptr_diff_byref':
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refptr_class = arg.get_type().get_refptr_type()
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if arg_type == 'refptr_same_byref':
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assign = refptr_class+'CppToC::Wrap('+arg_name+'Ptr)'
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else:
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assign = refptr_class+'CToCpp::Unwrap('+arg_name+'Ptr)'
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result += comment+\
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'\n if ('+arg_name+') {'\
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'\n if ('+arg_name+'Ptr.get()) {'\
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'\n if ('+arg_name+'Ptr.get() != '+arg_name+'Orig) {'\
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'\n *'+arg_name+' = '+assign+';'\
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'\n }'\
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'\n } else {'\
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'\n *'+arg_name+' = NULL;'\
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'\n }'\
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'\n }'
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elif arg_type == 'string_vec_byref':
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result += comment+\
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'\n cef_string_list_clear('+arg_name+');'\
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'\n transfer_string_list_contents('+arg_name+'List, '+arg_name+');'
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elif arg_type == 'string_map_single_byref':
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result += comment+\
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'\n cef_string_map_clear('+arg_name+');'\
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'\n transfer_string_map_contents('+arg_name+'Map, '+arg_name+');'
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elif arg_type == 'string_map_multi_byref':
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result += comment+\
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'\n cef_string_multimap_clear('+arg_name+');'\
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'\n transfer_string_multimap_contents('+arg_name+'Multimap, '+arg_name+');'
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elif arg_type == 'simple_vec_byref' or arg_type == 'bool_vec_byref' or \
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arg_type == 'refptr_vec_same_byref' or arg_type == 'refptr_vec_diff_byref':
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if arg_type == 'simple_vec_byref' or arg_type == 'bool_vec_byref':
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assign = arg_name+'List[i]'
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elif arg_type == 'refptr_vec_same_byref':
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refptr_class = arg.get_type().get_refptr_type()
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assign = refptr_class+'CppToC::Wrap('+arg_name+'List[i])'
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elif arg_type == 'refptr_vec_diff_byref':
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refptr_class = arg.get_type().get_refptr_type()
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assign = refptr_class+'CToCpp::Unwrap('+arg_name+'List[i])'
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result += comment+\
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'\n if ('+arg_name+'Count && '+arg_name+') {'\
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'\n *'+arg_name+'Count = std::min('+arg_name+'List.size(), *'+arg_name+'Count);'\
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'\n if (*'+arg_name+'Count > 0) {'\
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'\n for (size_t i = 0; i < *'+arg_name+'Count; ++i) {'\
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'\n '+arg_name+'[i] = '+assign+';'\
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'\n }'\
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'\n }'\
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'\n }'
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if len(result) != result_len:
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result += '\n'
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result_len = len(result)
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# special handling for the global cef_shutdown function
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if name == 'cef_shutdown' and isinstance(func.parent, obj_header):
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classes = func.parent.get_classes()
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names = []
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for cls in classes:
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if cls.has_attrib('no_debugct_check'):
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continue;
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if cls.is_library_side():
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names.append(cls.get_name()+'CppToC')
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else:
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names.append(cls.get_name()+'CToCpp')
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if len(names) > 0:
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names = sorted(names)
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result += '\n#ifndef NDEBUG'\
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'\n // Check that all wrapper objects have been destroyed'
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for name in names:
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result += '\n DCHECK_EQ('+name+'::DebugObjCt, 0);';
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result += '\n#endif // !NDEBUG'
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if len(result) != result_len:
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result += '\n'
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result_len = len(result)
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# return translation
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if retval_type != 'none':
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# has a return value
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result += '\n // Return type: '+retval_type
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if retval_type == 'simple' or retval_type == 'bool':
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result += '\n return _retval;'
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elif retval_type == 'string':
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result += '\n return _retval.DetachToUserFree();'
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elif retval_type == 'refptr_same':
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refptr_class = retval.get_type().get_refptr_type()
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result += '\n return '+refptr_class+'CppToC::Wrap(_retval);'
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elif retval_type == 'refptr_diff':
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refptr_class = retval.get_type().get_refptr_type()
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result += '\n return '+refptr_class+'CToCpp::Unwrap(_retval);'
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if len(result) != result_len:
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result += '\n'
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result += '}\n'
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return wrap_code(result)
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def make_cpptoc_function_impl(funcs, existing, prefixname, defined_names):
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impl = ''
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for func in funcs:
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if not prefixname is None:
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name = prefixname+'_'+func.get_capi_name()
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|
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(name, func, value, defined_names)
|
|
else:
|
|
impl += make_cpptoc_function_impl_new(name, func, defined_names)
|
|
|
|
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')
|
|
|
|
# generate virtual functions
|
|
virtualimpl = make_cpptoc_function_impl(cls.get_virtual_funcs(), existing, prefixname, defined_names)
|
|
if len(virtualimpl) > 0:
|
|
virtualimpl = '\n// MEMBER FUNCTIONS - Body may be edited by hand.\n\n'+virtualimpl
|
|
|
|
# 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.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
|
|
|
|
# determine what includes are required by identifying what translation
|
|
# classes are being used
|
|
includes = format_translation_includes(resultingimpl)
|
|
|
|
# build the final output
|
|
result = get_copyright()
|
|
|
|
result += includes+'\n'+resultingimpl+'\n'
|
|
|
|
const = '// CONSTRUCTOR - Do not edit by hand.\n\n'+ \
|
|
clsname+'CppToC::'+clsname+'CppToC('+clsname+'* cls)\n'+ \
|
|
' : CefCppToC<'+clsname+'CppToC, '+clsname+', '+capiname+'>(cls) '+ \
|
|
'{\n';
|
|
|
|
funcs = cls.get_virtual_funcs()
|
|
for func in funcs:
|
|
name = func.get_capi_name()
|
|
const += ' struct_.struct_.'+name+' = '+prefixname+'_'+name+';\n'
|
|
|
|
const += '}\n\n'+ \
|
|
'#ifndef NDEBUG\n'+ \
|
|
'template<> long CefCppToC<'+clsname+'CppToC, '+clsname+', '+capiname+'>::DebugObjCt = 0;\n'+ \
|
|
'#endif\n'
|
|
result += wrap_code(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(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(impl)
|
|
|
|
# build the final output
|
|
result = get_copyright()
|
|
|
|
result += includes+'\n'+impl
|
|
|
|
return result
|
|
|
|
def write_cpptoc_impl(header, clsname, dir, backup):
|
|
if clsname is None:
|
|
# global file
|
|
file = dir
|
|
else:
|
|
# class file
|
|
file = dir+os.sep+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)
|
|
if newcontents != oldcontents:
|
|
if backup and oldcontents != '':
|
|
backup_file(file)
|
|
write_file(file, newcontents)
|
|
return True
|
|
|
|
return False
|
|
|
|
|
|
# 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))
|