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bro-gen.rb
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#!/usr/bin/env ruby
# Copyright (C) 2014 RoboVM AB
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/gpl-2.0.html>.
#
require 'ffi/clang'
require 'yaml'
require 'fileutils'
require 'pathname'
require 'strscan'
require 'tmpdir'
class String
def camelize
dup.camelize!
end
def camelize!
replace(split('_').each(&:capitalize!).join(''))
end
def downcase_first_camelize
dup.downcase_first_camelize!
end
def downcase_first_camelize!
camelize!
downcase_first
self
end
def upcase_first_camelize
dup.upcase_first_camelize!
end
def upcase_first_camelize!
camelize!
upcase_first
self
end
def underscore
dup.underscore!
end
def underscore!
replace(scan(/[A-Z][a-z]*/).join('_').downcase)
end
def upcase_first
self[0] = self[0].upcase
self
end
def downcase_first
self[0] = self[0].downcase
self
end
end
# FIXME: visit_children is missing starting ffi-clang v0.10.0, simulate it with extension
class FFI::Clang::Cursor
def visit_children(&block)
each(recurse = false, &block)
end
end
module Bro
def self.location_to_id(location)
"#{location.file}:#{location.offset}"
end
def self.location_to_s(location)
"#{location.file}:#{location.line}:#{location.column}"
end
def self.read_source_range(sr)
file = sr.start.file
if file
start = sr.start.offset
n = sr.end.offset - start
bytes = nil
open file, 'r' do |f|
f.seek start
bytes = f.read n
end
bytes.to_s
else
'?'
end
end
def self.read_attribute(cursor)
Bro.read_source_range(cursor.extent)
end
class Entity
attr_accessor :id, :location, :name, :framework, :attributes, :cursor
def initialize(model, cursor)
@cursor = cursor
@location = cursor ? cursor.location : nil
@id = cursor ? Bro.location_to_id(@location) : nil
@name = cursor ? cursor.spelling : nil
@model = model
@framework = @location ?
@location.file.to_s.split(File::SEPARATOR).reverse.find_all { |e| e.match(/^.*\.(framework|lib)$/) }.map { |e| e.sub(/(.*)\.(framework|lib)/, '\1') }.first :
nil
@attributes = []
end
def types
[]
end
def java_name
name ? ((@model.get_class_conf(name) || {})['name'] || name) : ''
end
def pointer
Pointer.new self
end
def is_available?
# check if directly unavailable
attrib = @attributes.find { |e| e.is_a?(UnavailableAttribute) }
return false if attrib
# check if available
attrib = @attributes.find { |e| e.is_a?(AvailableAttribute) && e.platform == $target_platform }
if attrib
# availability for $target_platform specified
# -1 means that is not available for this platform
return attrib.version == nil || (attrib.version != -1 && attrib.version <= $ios_version.to_f)
end
attrib = @attributes.find { |e| e.is_a?(AvailableAttribute) && e.platform == nil && e.version != nil }
if attrib
# availability without platform but with version
return attrib.version != -1 && attrib.version <= $ios_version.to_f
end
# nothing specified so available
true
end
def is_outdated?
if deprecated
d_version = deprecated
(d_version > 0 && d_version <= @model.min_usable_version) || (d_version < 0 && @model.exclude_deprecated?)
else
false
end
end
def since
attrib = @attributes.find { |e| e.is_a?(AvailableAttribute) && e.version != nil && (e.platform == nil || e.platform == $target_platform) }
attrib.version if attrib
end
def deprecated
attrib = @attributes.find { |e| e.is_a?(AvailableAttribute) && e.dep_version != nil && (e.platform == nil || e.platform == $target_platform) }
attrib.dep_version if attrib
end
def reason
attrib = @attributes.find { |e| e.is_a?(AvailableAttribute) && e.dep_message != nil && (e.platform == nil || e.platform == $target_platform) }
attrib.dep_message if attrib
end
def valueAttributeForKey(key)
attrib = @attributes.find { |e| e.is_a?(KeyValueAttribute) && e.key == key }
attrib.value if attrib
end
def full_name
@name
end
end
class Pointer < Entity
attr_accessor :pointee
def initialize(pointee)
super(nil, nil)
@pointee = pointee
end
def types
@pointee.types
end
def java_name
if @pointee.is_a?(Builtin)
if %w(byte short char int long float double boolean void).include?(@pointee.name)
"#{@pointee.name.capitalize}Ptr"
elsif @pointee.name == 'MachineUInt'
'MachineSizedUIntPtr'
elsif @pointee.name == 'MachineSInt'
'MachineSizedSIntPtr'
elsif @pointee.name == 'MachineFloat'
'MachineSizedFloatPtr'
elsif @pointee.name == 'Pointer'
'VoidPtr.VoidPtrPtr'
else
"#{@pointee.java_name}.#{@pointee.java_name}Ptr"
end
elsif @pointee.is_a?(Struct) || @pointee.is_a?(Typedef) && @pointee.is_struct? || @pointee.is_a?(ObjCClass) || @pointee.is_a?(ObjCProtocol)
@pointee.java_name
else
"#{@pointee.java_name}.#{@pointee.java_name}Ptr"
end
end
end
class Array < Entity
attr_accessor :base_type, :dimensions
def initialize(base_type, dimensions)
super(nil, nil)
@base_type = base_type
@dimensions = dimensions
end
def types
@base_type.types
end
def java_name
if @base_type.is_a?(Builtin)
if %w(byte short char int long float double).include?(@base_type.name)
"#{@base_type.name.capitalize}Buffer"
elsif @base_type.name == 'MachineUInt'
'MachineSizedUIntPtr'
elsif @base_type.name == 'MachineSInt'
'MachineSizedSIntPtr'
elsif @base_type.name == 'MachineFloat'
'MachineSizedFloatPtr'
elsif @base_type.name == 'Pointer'
'VoidPtr.VoidPtrPtr'
else
"#{@base_type.java_name}.#{@base_type.java_name}Ptr"
end
elsif @base_type.is_a?(Struct) || @base_type.is_a?(Typedef) && @base_type.is_struct?
@base_type.java_name
else
"#{@base_type.java_name}.#{@base_type.java_name}Ptr"
end
end
end
class Block < Entity
attr_accessor :return_type, :param_types
def initialize(model, return_type, param_types)
super(model, nil)
@return_type = return_type
@param_types = param_types || []
end
def types
[@return_type.types] + @param_types.map(&:types)
end
@@simple_block_types = {'boolean' => 'Boolean', 'byte' => 'Byte',
'short' => 'Short', 'char' => 'Character', 'int' => 'Integer',
'long' => 'Long', 'float' => 'Float', 'double' => 'Double',
# and also annotated types
'@MachineSizedUInt long' => 'Long','@MachineSizedSInt long' => 'Long',
'@MachineSizedFloat double' => 'Double'}
@@simple_block_types_anotat = {'@MachineSizedUInt long' => '@MachineSizedUInt',
'@MachineSizedSInt long' => '@MachineSizedSInt', '@MachineSizedFloat double' => '@MachineSizedFloat'}
def java_name
res = java_name_ex()
return res[0] + ' ' + res[1]
end
# modified to return array tuple to be able create block type param inside block
def java_name_ex
if @return_type.is_a?(Builtin) && @return_type.name == 'void'
if @param_types.empty?
['@Block', 'Runnable']
elsif @param_types.size == 1 && @param_types[0].is_a?(Builtin) && @@simple_block_types[@param_types[0].name]
["@Block", "Void#{@param_types[0].name.capitalize}Block"]
elsif @param_types.size <= 6
by_val_params = to_by_val_params(@param_types).join(",")
by_val_mark = ''
by_val_mark = "(\"(#{by_val_params})\")" if !by_val_params.gsub(',', '').empty?
["@Block#{by_val_mark}", "VoidBlock#{@param_types.size}<" + @param_types.map { |e| to_java_name(e) }.join(", ") + ">"]
else
['', 'ObjCBlock']
end
else
if @param_types.size == 0 && @return_type.is_a?(Builtin) && @@simple_block_types[@return_type.name]
["@Block", "#{@return_type.name.capitalize}Block"]
elsif @param_types.size <= 6
# besides @ByVal it would be required to replace @MachineSized anotated
# types with proper types and add these annotations to by_val_params
by_val_params = to_by_val_params(@param_types).join(",")
by_val_mark = ''
by_val_mark = "(\"(#{by_val_params})\")" if !by_val_params.gsub(',', '').empty?
["@Block#{by_val_mark}", "Block#{@param_types.size}<" + @param_types.map { |e| to_java_name(e) }.push(to_java_name(return_type)).join(", ") + ">"]
else
['', 'ObjCBlock']
end
end
end
def to_by_val_params(p_types)
p_types.map {|e|
if @model.is_byval_type?(e)
'@ByVal'
elsif e.is_a?(Block)
'@Block'
elsif e.is_a?(Builtin)
@@simple_block_types_anotat[e.java_name] || ''
else
''
end
}
end
def to_java_name(type)
if type.respond_to?('each') # Generic type
@model.to_java_generic_type(type)
elsif type.is_a?(Block)
type.java_name_ex()[1]
else
@@simple_block_types[type.java_name] || type.java_name
end
end
end
class ObjCId < Entity
attr_accessor :protocols
def initialize(model, protocols)
super(model, nil)
@protocols = protocols
end
def types
@protocols.map(&:types)
end
def java_name
# filter protocols that are only available
pp = @protocols.find_all do |prot|
c = @model.get_protocol_conf(prot.name)
next unless c && !c['skip_implements']
prot
end
pp.map(&:java_name).join(' & ')
end
end
class Builtin < Entity
attr_accessor :name, :type_kinds, :java_name, :storage_type
def initialize(name, type_kinds = [], java_name = nil, storage_type = nil)
super(nil, nil)
@name = name
@type_kinds = type_kinds
@java_name = java_name || name
@storage_type = storage_type || name
end
end
@@builtins = [
Builtin.new('boolean', [:type_bool]),
Builtin.new('byte', [:type_uchar], nil, 'unsigned char'),
Builtin.new('byte', [:type_schar, :type_char_s], nil, 'signed char'),
Builtin.new('short', [:type_short], nil, 'signed short'),
Builtin.new('short', [:type_ushort], nil, 'unsigned short'),
Builtin.new('char', [:type_wchar, :type_char16], nil, 'unsigned short'),
Builtin.new('int', [:type_int], nil, 'signed int'),
Builtin.new('int', [:type_uint, :type_char32], nil, 'unsigned int'),
Builtin.new('long', [:type_longlong], nil, 'signed long'),
Builtin.new('long', [:type_ulonglong], nil, 'unsigned long'),
Builtin.new('float', [:type_float]),
Builtin.new('double', [:type_double]),
Builtin.new('MachineUInt', [:type_ulong], '@MachineSizedUInt long'),
Builtin.new('MachineSInt', [:type_long], '@MachineSizedSInt long'),
Builtin.new('MachineFloat', [], '@MachineSizedFloat double'),
Builtin.new('void', [:type_void]),
Builtin.new('Pointer', [], '@Pointer long'),
Builtin.new('String', [], 'String'),
Builtin.new('__builtin_va_list', [], 'VaList'),
Builtin.new('ObjCBlock', [:type_block_pointer]),
Builtin.new('FunctionPtr', [], 'FunctionPtr'),
Builtin.new('Selector', [:type_obj_c_sel], 'Selector'),
Builtin.new('ObjCObject', [], 'ObjCObject'),
Builtin.new('ObjCClass', [], 'ObjCClass'),
Builtin.new('ObjCProtocol', [], 'ObjCProtocol'),
Builtin.new('BytePtr', [], 'BytePtr')
]
@@builtins_by_name = @@builtins.each_with_object({}) { |b, h| h[b.name] = b; h }
@@builtins_by_type_kind = @@builtins.each_with_object({}) { |b, h| b.type_kinds.each { |e| h[e] = b }; h }
def self.builtins_by_name(name)
@@builtins_by_name[name]
end
def self.builtins_by_type_kind(kind)
@@builtins_by_type_kind[kind]
end
class Attribute
attr_accessor :source
def initialize(source)
@source = source
end
end
class IgnoredAttribute < Attribute
def initialize(source)
super(source)
end
end
# attribute to attach important data
class KeyValueAttribute < Attribute
attr_accessor :key, :value
def initialize(source)
super(source)
source =~ /^(.*?)\("?(.*?)"?\)$/
@key = $1
@value = $2
end
end
class AvailableAttribute < Attribute
attr_accessor :platform, :version, :dep_version, :dep_message
def initialize(source)
super(source)
@dep_message = []
if source.start_with?('availability(')
source = source.split("\n").collect{|x| x.strip || x}.join("").gsub("\"\"", "")
source =~ /^availability\((.*)\)/
args = $1.split(/,(?=(?:[^\"]*\"[^\"]*\")*[^\"]*$)/).collect{|x| x.strip || x}
@platform = args[0]
args[1..-1].each do |v|
if v == 'unavailable'
@version = -1
elsif v.start_with?('introduced=')
@version = str_to_float(v.sub('introduced=', '').sub('_', '.'))
elsif v.start_with?('deprecated=')
@dep_version = str_to_float(v.sub('deprecated=', '').sub('_', '.'))
elsif v.start_with?('message=') && v.end_with?('"')
m = v.sub('message=', '').strip
if (m.start_with?('"') && m.end_with?('"'))
m = eval(m).strip
@dep_message.push m unless m.empty?
end
elsif v.start_with?('replacement="') && v.end_with?('"')
m = v.sub('replacement=', '')[0..-1]
m = eval(m).strip
@dep_message.push decorate_dep_replacement(m) unless m.empty? || m.downcase.start_with?("Use ")
end
end
else
# deprecated case
@dep_version = -1
source = source.sub('__deprecated__', 'deprecated') if source.start_with?('__deprecated__')
if source.start_with?('deprecated(')
# has message
source =~ /^deprecated\((.*)\)/m
msg = $1.gsub("\n", '')
args = msg.split(/,(?=(?:[^\"]*\"[^\"]*\")*[^\"]*$)/m).collect{|x| eval(x).strip || x}
if args.length == 2
# special case: message + replacement
@dep_message.push args[0] unless args[0].empty?
@dep_message.push decorate_dep_replacement(args[1]) unless args[1].empty?
else
# common case
args.each { |m| @dep_message.push m unless m.empty? }
end
end
end
if @dep_message && !@dep_message.empty?
@dep_message = @dep_message.join(". ")
else
@dep_message = nil
end
end
def decorate_dep_replacement(s)
m = s.downcase
if m.start_with?("use ") || m.start_with?(" instead")
s
else
# using just single "Use" (without instead) to minimize amount of diffs
"Use #{s}"
end
end
def str_to_float(s)
begin
return -1 if s == "NA"
return Float(s).to_f
rescue
return nil
end
end
end
class UnavailableAttribute < Attribute
end
class UnsupportedAttribute < Attribute
def initialize(source)
super(source)
end
end
def self.parse_attribute(cursor)
source = Bro.read_source_range(cursor.extent)
if source.start_with?('availability(') || source.start_with?('deprecated(') || source == 'deprecated' || source.start_with?('__deprecated__(') || source == '__deprecated__'
return AvailableAttribute.new source
elsif source.start_with?('unavailable')
return UnavailableAttribute.new source
# elsif source.start_with?('__DARWIN_ALIAS_C') || source.start_with?('__DARWIN_ALIAS') ||
# source == 'CF_IMPLICIT_BRIDGING_ENABLED' || source.start_with?('DISPATCH_') || source.match(/^(CF|NS)_RETURNS_RETAINED/) ||
# source.match(/^(CF|NS)_INLINE$/) || source.match(/^(CF|NS)_FORMAT_FUNCTION.*/) || source.match(/^(CF|NS)_FORMAT_ARGUMENT.*/) ||
# source == 'NS_RETURNS_INNER_POINTER' || source == 'NS_AUTOMATED_REFCOUNT_WEAK_UNAVAILABLE' || source == 'NS_REQUIRES_NIL_TERMINATION' ||
# source == 'NS_ROOT_CLASS' || source == '__header_always_inline' || source.end_with?('_EXTERN') || source.end_with?('_EXTERN_CLASS') || source == 'NSObject' ||
# source.end_with?('_CLASS_EXPORT') || source.end_with?('_EXPORT') || source == 'NS_REPLACES_RECEIVER' || source == '__objc_exception__' || source == 'OBJC_EXPORT' ||
# source == 'OBJC_ROOT_CLASS' || source == '__ai' || source.end_with?('_EXTERN_WEAK') || source == 'NS_DESIGNATED_INITIALIZER' || source.start_with?('NS_EXTENSION_UNAVAILABLE_IOS') ||
# source == 'NS_REQUIRES_PROPERTY_DEFINITIONS' || source.start_with?('DEPRECATED_MSG_ATTRIBUTE') || source == 'NS_REFINED_FOR_SWIFT' || source.start_with?('NS_SWIFT_NAME') ||
# source.start_with?('NS_SWIFT_UNAVAILABLE') || source == 'UI_APPEARANCE_SELECTOR' || source == 'CF_RETURNS_NOT_RETAINED' || source == 'NS_REQUIRES_SUPER' || source == 'objc_designated_initializer' ||
# source == 'availability' || # clang extends property to methods and attaches this attr without proper specification, ignore it
# source.start_with?('enum_extensibility') || # appeared in ios11
# source.start_with?('ns_error_domain') || source == 'objc_returns_inner_pointer' || # appeared in ios11
# source.start_with?('swift_') || # appeared in ios11, ignore all swift4 attr
# source.start_with?('NS_OPTIONS') # TODO: there is a lot of such outputs once moved to ios11 due pre-processor workaround. currently just ignoring
# return IgnoredAttribute.new source # TODO: lot of these macro are not present anymore as were expanded by pre-clang preprocessor call
elsif source.start_with?('objc_runtime_name(')
return KeyValueAttribute.new source
else
# return UnsupportedAttribute.new source
# TODO: there is nothing special about all tese bunch of attributes listed in IgnoredAttribute
# and UnsupportedAttribute is just making lot of noise in log, just ignore them all
return IgnoredAttribute.new source
end
end
class Macro
attr_accessor :name, :source, :args, :body
def initialize(source)
source = source.split(/\s*\\*\s*\n/).join(" ")
@source = source
# name
@name = source[/^[A-Za-z_][A-Za-z_0-9]*/]
# remove name
s = source.gsub(/^[A-Za-z_][A-Za-z_0-9]*/, '').strip
# check if has params
if s.start_with?("(")
params = s[/^\(.*?\)/][1..-2]
args = params.scan(/(?:"(?:""|.)*?"(?!")|[^,]*?\(.*?\)|[^,]+)/)
@args = args.collect{|x| x.strip || x}
@body = s.sub(/^\(.*?\)\s*/, '')
else
@args = []
@body = s
end
# puts "@Macro: #{@name}: #{@source} #{@args} #{@body}"
# puts "@Macro: #{@name} && #{@body} ::: #{@source}"
end
def subst(params)
return body unless @args.length
params = [] unless params
if params.length != @args.length
return nil
end
res = @body
for idx in [email protected] - 1
res = res.sub(@args[idx], params[idx])
end
return res
end
end
class CallbackParameter
attr_accessor :name, :type
def initialize(cursor)
@name = cursor.spelling
@type = cursor.type
end
end
class Typedef < Entity
attr_accessor :typedef_type, :parameters, :struct, :enum
def initialize(model, cursor, struct_def_name = nil)
super(model, cursor)
@parameters = []
@struct = nil
@enum = nil
if struct_def_name
@name = struct_def_name
@typedef_type = :type_record
@is_structDef = true
return
end
@is_structDef = false
@typedef_type = cursor.underlying_type
enum_without_name = false
cursor.visit_children do |cursor, _parent|
case cursor.kind
when :cursor_integer_literal
when :cursor_obj_c_class_ref
when :cursor_obj_c_protocol_ref
when :cursor_binary_operator
when :cursor_paren_expr
when :cursor_obj_c_independent_class
#CXCursor_ObjCIndependentClass = 427
# ignored
when :cursor_aligned_attr # CXCursor_AlignedAttr = 441
# ignored as not able to support right now
# example typedef __attribute__((__ext_vector_type__(2),__aligned__(4))) float simd_packed_float2;
when :cursor_parm_decl
@parameters.push CallbackParameter.new cursor
when :cursor_struct, :cursor_union
@struct = Struct.new model, cursor, nil, cursor.kind == :cursor_union
when :cursor_type_ref
if cursor.type.kind == :type_record && @typedef_type.kind != :type_pointer
@struct = Struct.new model, cursor, nil, cursor.spelling.match(/\bunion\b/)
end
when :cursor_enum_decl
# try to find the enum as it should be created already
eid = Bro.location_to_id(cursor.location)
e = model.enums.find { |e| e.id == eid}
@enum = e || (Enum.new model, cursor)
if @enum.name == nil || @enum.name.empty?
# special case: there could be no name in enum typedef declaration
# in this case there is no name attached to enum which will make
# difficulties exporting it, just attach typedef name to enum
# name in this case
enum_without_name = true
end
when :cursor_unexposed_attr
attribute = Bro.parse_attribute(cursor)
if attribute.is_a?(UnsupportedAttribute) && model.is_included?(self)
$stderr.puts "WARN: Typedef #{@name} at #{Bro.location_to_s(@location)} has unsupported attribute '#{attribute.source}'"
end
@attributes.push attribute
else
raise "Unknown cursor kind #{cursor.kind} in typedef at #{Bro.location_to_s(@location)}"
end
next :continue
end
if enum_without_name
# enum without name, attach name to it as well as visibility attributes
@enum.name = @name
@enum.attributes += @attributes
elsif @enum != nil && @enum.name == @name
# copy attributes from typedef to enum
@enum.attributes += @attributes
end
end
def is_callback?
end
def is_struct?
@struct != nil || @is_structDef
end
def is_enum?
@enum != nil
end
end
class StructMember
attr_accessor :name, :type
def initialize(cursor: nil, name: nil, type: nil)
if cursor.nil?
@name = name
@type = type
else
@name = cursor.spelling
@type = cursor.type
end
end
end
class Struct < Entity
attr_accessor :members, :children, :parent, :union, :type, :packed_align
def initialize(model, cursor, parent = nil, union = false)
super(model, cursor)
@name = @name.gsub(/\s*\bconst\b\s*/, '')
@name = @name.sub(/^(struct|union)\s*/, '')
@name = "" if @name.start_with?('(unnamed at') || @name.start_with?('(anonymous at')
@type = cursor.type
@parent = parent
@union = union
# prepare to handle packer attribute
@packed_align = nil
has_packed_attr = false
align_attr_value = nil
# parse members and anonymous structs/unions and put everyting into early_members
# items will be sorted out after parsing
early_members = []
cursor.visit_children do |cursor, _parent|
case cursor.kind
when :cursor_unexposed_expr
# ignored
when :cursor_visibility_attr
# ignored CXCursor_VisibilityAttr = 417,
when :cursor_obj_c_boxable
# CXCursor_ObjCBoxable = 436
# ignored as no benefits of it
# typedef struct __attribute__((objc_boxable)) CGPoint CGPoint;
when :cursor_aligned_attr
a = Bro.read_attribute(cursor)
if a.start_with?('aligned(') && a.end_with?(')')
align = a.sub('aligned(', '')[0..-2]
align = eval(align).to_i
align_attr_value = align
end
when :cursor_field_decl
m = StructMember.new(cursor: cursor)
early_members.push m
when :cursor_struct, :cursor_union
# add anonymous struct to be flatten, later it either be flatten or extracted as external
s = Struct.new model, cursor, self, cursor.kind == :cursor_union
if s.name.nil? || s.name.empty?
# inner anonymous struct, might be embedded, save for future processing
early_members.push s
else
# struct with tag, make global available
model.structs.push s
end
when :cursor_unexposed_attr, :cursor_packed_attr, :cursor_annotate_attr
a = Bro.read_attribute(cursor)
if model.is_included?(self)
if a == "packed" || a == "__packed__"
has_packed_attr = true
elsif a.start_with?('aligned(') && a.end_with?(')')
align = a.sub('aligned(', '')[0..-2]
align = eval(align).to_i
align_attr_value = align
end
end
else
raise "Unknown cursor kind #{cursor.kind} in struct at #{Bro.location_to_s(@location)}"
end
next :continue
end
# save packed attribute
@packed_align = (align_attr_value == nil ? 1 : align_attr_value) if has_packed_attr
# process early members and replace anonymous structs/uniions
@members = []
@children = []
# grandchildren - will contain children from child struct. just to keep own children on top of renaming list
grandchildren = []
idx = 1
early_members.each_with_index do |e, i|
if e.is_a?(Struct)
if i + 1 < early_members.length && early_members[i + 1].is_a?(StructMember) && Bro::location_to_id(early_members[i + 1].type.declaration.location) == e.id
# next item after this is stuct member that points to this anonymous struct/member
# just extract it to external struct (not subject for embedding)
@children.push e
model.structs.push e
# copy all children
grandchildren.concat(e.children)
elsif @union || e.union
# for union we can't expand structures into memebers
# as it is not supported at robovm end.
# logicaly we can't expand unions into structs.
# creating an entry for it, struct will be extracted
# into standalone entry
@members.push StructMember.new(name: "autoMember$#{idx}", type:e.type)
@children.push e
model.structs.push e
else
# anonymous struct
# copy all it members
@members.concat(e.members)
# copy all children
grandchildren.concat(e.children)
end
else
@members.push e
end
idx += 1
end
# now attaching name for extracted structures
@children.concat(grandchildren)
if [email protected]? && [email protected]?
idx = 1
@children.each do |e|
e.name = "#{@name}$InnerStruct$#{idx}"
idx += 1
end
end
end
def types
@members.map(&:type)
end
def is_opaque?
@members.empty?
end
end
class FunctionParameter
attr_accessor :name, :type
def initialize(cursor, def_name)
@name = !cursor.spelling.empty? ? cursor.spelling : def_name
@type = cursor.type
end
def name
# escape names that slashes with Java keyworks
case @name
when 'native'
'_native'
when 'public'
'_public'
when 'private'
'_private'
when 'static'
'_static'
else
@name
end
end
end
class Function < Entity
attr_accessor :return_type, :parameters, :type, :inline_statement
def initialize(model, cursor)
super(model, cursor)
@type = cursor.type
@return_type = cursor.result_type
@parameters = []
param_count = 0
@inline = cursor.extent.text.start_with?("static ") || cursor.extent.text.include?("static ")
@variadic = cursor.variadic?
cursor.visit_children do |cursor, _parent|
case cursor.kind
when :cursor_type_ref, :cursor_obj_c_class_ref, :cursor_obj_c_protocol_ref, :cursor_unexposed_expr, :cursor_ibaction_attr, 409, 410, :cursor_pure_attr
# Ignored
when :cursor_const_attr
# Ignored, TODO -- might be useful
when :cursor_obj_c_designated_initializer
# CXCursor_ObjCDesignatedInitializer = 434
# Ignored as not useful
# - (instancetype)init __attribute__((objc_designated_initializer))
when :cursor_visibility_attr
# CXCursor_VisibilityAttr = 417,
# ignored as doesn't provide useful information
# extern __attribute__((visibility("default"))) const char * _Nonnull sel_getName(SEL _Nonnull sel)
when :cursor_ns_returns_retained
# CXCursor_NSReturnsRetained = 420
# TODO -- might be useful
# FIXME: use it to attach or add warning about no retain marshaller
# __attribute__((__ns_returns_retained__))
when :cursor_ns_consumes_self
# CXCursor_NSConsumesSelf = 423,
# ignored as doesn't provide useful information
# - (nullable id)awakeAfterUsingCoder:(NSCoder *)coder __attribute__((ns_consumes_self)) __attribute__((ns_returns_retained));
when :cursor_obj_c_returns_inner_pointer
# CXCursor_ObjCReturnsInnerPointer = 429
# ignored for now, as no common way to adopt it
# - (nullable const char *)cStringUsingEncoding:(NSStringEncoding)encoding __attribute__((objc_returns_inner_pointer));
when :cursor_obj_c_requires_super
# CXCursor_ObjCRequiresSuper = 430
# TODO: probably shell be added as JavaDoc that super call is requred (or annotation processor)
# - (void)updateConstraints __attribute__((availability(ios,introduced=6.0))) __attribute__((objc_requires_super));
when :cursor_warn_unused_result_attr
# TODO: CXCursor_WarnUnusedResultAttr = 440
when :cursor_parm_decl
@parameters.push FunctionParameter.new cursor, "p#{param_count}"
param_count += 1
when :cursor_compound_stmt
@inline = true
@inline_statement = cursor.extent.text
when :cursor_asm_label_attr, :cursor_unexposed_attr, :cursor_annotate_attr
attribute = Bro.parse_attribute(cursor)
if attribute.is_a?(UnsupportedAttribute) && model.is_included?(self)
$stderr.puts "WARN: Function #{@name} at #{Bro.location_to_s(@location)} has unsupported attribute '#{attribute.source}'"
end
@attributes.push attribute
else
raise "Unknown cursor kind #{cursor.kind} in function #{@name} at #{Bro.location_to_s(@location)}"
end
next :continue
end
end
def types
[@return_type] + @parameters.map(&:type)
end
def is_variadic?
@variadic
end
def is_inline?
@inline
end
end
class ObjCVar < Entity
attr_accessor :type
def initialize(model, cursor)
super(model, cursor)
@type = cursor.type
end
def types
[@type]
end
end
class ObjCInstanceVar < ObjCVar
end
class ObjCClassVar < ObjCVar
end
class ObjCMethod < Function
attr_accessor :owner
def initialize(model, cursor, owner)
super(model, cursor)
@owner = owner
end
end
class ObjCInstanceMethod < ObjCMethod
def initialize(model, cursor, owner)
super(model, cursor, owner)
end
def full_name
'-' + @name
end
end
class ObjCClassMethod < ObjCMethod
def initialize(model, cursor, owner)
super(model, cursor, owner)
s = Bro.read_source_range(cursor.extent)
@class_property = !s.include?('+') # class properties are also recognized as class methods
end
def is_class_property?
@class_property
end
def full_name
'+' + @name
end
end
class ObjCProperty < Entity
attr_accessor :type, :owner, :getter, :setter, :attrs
def initialize(model, cursor, owner)
super(model, cursor)
@type = cursor.type
@owner = owner
@getter = nil
@setter = nil
@source = Bro.read_source_range(cursor.extent)
/@property\s*(\((?:[^)]+)\))/ =~ @source
@attrs = !$1.nil? ? $1.strip.slice(1..-2).split(/,\s*/) : []
@attrs = @attrs.each_with_object({}) do |o, h|
pair = o.split(/\s*=\s*/)
h[pair[0]] = pair.size > 1 ? pair[1] : true
h
end
cursor.visit_children do |cursor, _parent|
case cursor.kind
when :cursor_type_ref, :cursor_parm_decl, :cursor_obj_c_class_ref, :cursor_obj_c_protocol_ref, :cursor_obj_c_instance_method_decl, :cursor_iboutlet_attr, :cursor_annotate_attr, :cursor_unexposed_expr
# Ignored
when :cursor_visibility_attr
when :cursor_obj_c_class_method_decl
# ignored CXCursor_VisibilityAttr = 417,
when :cursor_obj_c_returns_inner_pointer
# ignored CXCursor_ObjCReturnsInnerPointer = 429
# @property (readonly) const char *objCType __attribute__((objc_returns_inner_pointer));
when :cursor_obj_c_ns_object
# ignored CXCursor_ObjCNSObject = 426
# @property (nonatomic, readonly, retain, nullable) __attribute__((NSObject)) CGColorRef backgroundColor;
when :cursor_unexposed_attr
attribute = Bro.parse_attribute(cursor)
if attribute.is_a?(UnsupportedAttribute) && model.is_included?(self)
$stderr.puts "WARN: ObjC property #{@name} at #{Bro.location_to_s(@location)} has unsupported attribute '#{attribute.source}'"
end
@attributes.push attribute
else