qt_generator.lua

   1 #!/usr/bin/lua
   2 --[[
   3
   4 Copyright (c) 2007-2008 Mauro Iazzi
   5
   6 Permission is hereby granted, free of charge, to any person
   7 obtaining a copy of this software and associated documentation
   8 files (the "Software"), to deal in the Software without
   9 restriction, including without limitation the rights to use,
  10 copy, modify, merge, publish, distribute, sublicense, and/or sell
  11 copies of the Software, and to permit persons to whom the
  12 Software is furnished to do so, subject to the following
  13 conditions:
  14
  15 The above copyright notice and this permission notice shall be
  16 included in all copies or substantial portions of the Software.
  17
  18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  19 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  20 OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  21 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  22 HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  23 WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  24 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  25 OTHER DEALINGS IN THE SOFTWARE.
  26
  27 --]]
  28
  29
  30 xml = dofile'xml.lua'
  31 B = dofile'binder.lua'
  32
  33 function NOINSTANCE(b, name)
  34   b.types_from_stack[name] = function(i) error('cannot copy '..name) end
  35   b.types_test[name] = function(i) error('cannot copy '..name) end
  36   b.types_to_stack[name] = function(i) error('cannot copy '..name) end
  37
  38   b.types_from_stack[(name..' *')] = function(i) return '*static_cast<'..name..'**>(lqtL_toudata(L, '..tostring(i)..', "'..name..'"))' end
  39   b.types_test[(name..' *')] = function(i) return 'lqtL_testudata(L, '..tostring(i)..', "'..name..'*")' end
  40   b.types_to_stack[(name..' *')] = function(i) return 'lqtL_pushudata(L, '..tostring(i)..', "'..name..'*")' end
  41 end
  42
  43 function cp_file(src, dst)
  44   do
  45                 local src = (type(src)=='string') and io.open(src, 'r') or src
  46                 local check = (type(dst)=='string') and io.open(dst, 'r') or nil
  47                 if type(check)=='userdata' then
  48                         local a, b = src:read'*a', check:read'*a'
  49                         if a==b then check:close() src:close() return end
  50                         check:close()
  51                 end
  52         end
  53   src = (type(src)=='string') and io.open(src, 'r') or src
  54   dst = (type(dst)=='string') and io.open(dst, 'w') or dst
  55         local content = src:read('*a')
  56         dst:write(content)
  57         src:close()
  58         dst:close()
  59 end
  60
  61 function BINDQT(n)
  62   n = tostring(n)
  63   local h, c = B:make_namespace(n, n, 'QtCore', 'QtGui')
  64   print(n..': writing definition file')
  65   f = io.open('src/lqt_bind_'..n..'.cpp', 'w')
  66   f:write(c)
  67   f:close()
  68
  69   print(n..': writing prototypes file')
  70   f = io.open('src/lqt_bind_'..n..'.hpp', 'w')
  71   f:write(h)
  72   f:close()
  73 end
  74
  75 function init_qt(B)
  76         B.filter = function (m)
  77                 local n = type(m)=='table' and type(m.attr)=='table' and m.attr.name
  78                 if n and string.match(n, "[_%w]*[xX]11[_%w]*$") then
  79                         return true, 'it is X11 specific'
  80                 end
  81                 if n and string.match(n, "[_%w]*_[_%w]*$") then
  82                         return true, 'it is meant to be internal'
  83                 end
  84                 return false
  85         end
  86
  87
  88         NOINSTANCE(B, 'QCoreApplication')
  89
  90
  91         B.types_from_stack['const QString&'] = function(i) return 'QString::fromAscii(lua_tostring(L, '..tostring(i)..'), lua_objlen(L, '..tostring(i)..'))' end
  92         B.types_test['const QString&'] = function(i) return '(lua_type(L, ' .. tostring(i) .. ')==LUA_TSTRING)' end
  93         B.types_to_stack['const QString&'] = function(i) return 'lua_pushlstring(L, '..tostring(i)..'.toAscii().data(), '..tostring(i)..'.toAscii().size())' end
  94         B.types_from_stack['QString'] = function(i) return 'QString::fromAscii(lua_tostring(L, '..tostring(i)..'), lua_objlen(L, '..tostring(i)..'))' end
  95         B.types_test['QString'] = function(i) return '(lua_type(L, ' .. tostring(i) .. ')==LUA_TSTRING)' end
  96         B.types_to_stack['QString'] = function(i) return 'lua_pushlstring(L, '..tostring(i)..'.toAscii().data(), '..tostring(i)..'.toAscii().size())' end
  97
  98         B.types_from_stack['QByteArray'] = function(i) return 'QByteArray(lua_tostring(L, '..tostring(i)..'), lua_objlen(L, '..tostring(i)..'))' end
  99         B.types_test['QByteArray'] = function(i) return '(lua_type(L, ' .. tostring(i) .. ')==LUA_TSTRING)' end
 100         B.types_to_stack['QByteArray'] = function(i) return 'lua_pushlstring(L, '..tostring(i)..'.data(), '..tostring(i)..'.size())' end
 101 end
 102
 103 function make_tree (cl, tf)
 104         f = io.open(tf..'.cpp', 'w')
 105         for n in pairs(cl) do
 106                 f:write('#include <'..n..'>\n')
 107         end
 108         f:write'\nmain() {\n'
 109         for n in pairs(cl) do
 110                 if not ({Qt=true})[n] then f:write('  '..n..' *'..string.lower(n)..';\n') end
 111         end
 112         f:write'}\n'
 113         f:close()
 114         os.execute('gccxml `pkg-config QtGui QtCore --cflags` -fxml='..tf..'.xml '..tf..'.cpp')
 115         --os.execute'gccxml -g -Wall -W -D_REENTRANT -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED -I/usr/share/qt4/mkspecs/linux-g++ -I. -I/usr/include/qt4/QtCore -I/usr/include/qt4/QtCore -I/usr/include/qt4/QtGui -I/usr/include/qt4/QtGui -I/usr/include/qt4 -I. -I. -I. -fxml=auto.xml auto.cpp'
 116         --os.remove(tf..'.cpp')
 117 end
 118
 119 function make_standard_qt(B, classlist)
 120         print'copying common files'
 121   cp_file('lqt_qt_utils.hpp', 'src/lqt_qt_utils.hpp')
 122   cp_file('lqt_qt_utils.cpp', 'src/lqt_qt_utils.cpp')
 123   cp_file('lqt_common.hpp', 'src/lqt_common.hpp')
 124   cp_file('lqt_common.cpp', 'src/lqt_common.cpp')
 125
 126         do
 127                 local clist = {}
 128                 for s in string.gmatch(classlist, '([%u%l%d]+)') do
 129                         clist[s] = true
 130                 end
 131                 classlist = clist
 132         end
 133
 134   local tmpfile='tmp/auto'
 135
 136         make_tree(classlist, tmpfile)
 137
 138         B:init(tmpfile..'.xml')
 139         init_qt(B)
 140
 141         do
 142                 local clist = {}
 143                 for n in pairs(classlist) do
 144                         local c = B:find_name(n)
 145                         clist = B.set_union(clist, B:tree_of_bases(c))
 146                 end
 147                 classlist = B.set_union(classlist, clist)
 148         end
 149
 150         for n in pairs(classlist) do
 151                 BINDQT(n)
 152         end
 153 end
 154
 155 function make_single_qt(B, class)
 156         local classlist = { class }
 157
 158   local tmpfile='tmp/auto'
 159
 160         make_tree(classlist, tmpfile)
 161         B:init(tmpfile..'.xml')
 162         init_qt(B)
 163
 164         BINDQT(class)
 165 end
 166
 167 function B:enum_push_body_plus_qt(id, c)
 168         local enum = (type(id)=='string') and self:find_id(id) or id
 169         local e_static = (self:find_id(enum.attr.context).tag == 'Class') and 'static ' or ''
 170         local e_context = self:context_name(enum)
 171         local e_name = 'lqt_pushenum_' .. enum.attr.name
 172         local e_proto, e_def = '', ''
 173
 174         e_proto = e_proto .. '  ' .. e_static .. self.lua_proto(e_name) .. ';\n'
 175         e_def = e_def .. self.lua_proto(c .. e_name) .. ' '
 176         e_def = e_def .. '{\n'
 177         e_def = e_def .. '  int enum_table = 0;\n'
 178         e_def = e_def .. '  lua_getfield(L, LUA_REGISTRYINDEX, LQT_ENUMS);\n'
 179         e_def = e_def .. '  if (!lua_istable(L, -1)) {\n'
 180         e_def = e_def .. '    lua_pop(L, 1);\n'
 181         e_def = e_def .. '    lua_newtable(L);\n'
 182         e_def = e_def .. '    lua_pushvalue(L, -1);\n'
 183         e_def = e_def .. '    lua_setfield(L, LUA_REGISTRYINDEX, LQT_ENUMS);\n'
 184         e_def = e_def .. '  }\n'
 185
 186         e_def = e_def .. '  lua_newtable(L);\n'
 187         e_def = e_def .. '  enum_table = lua_gettop(L);\n'
 188         for i, e in ipairs(enum) do
 189                 if (type(e)=='table') and (e.tag=='EnumValue') then
 190                         e_def = e_def .. '  lua_pushstring(L, "' .. e.attr.name .. '");\n'
 191                         e_def = e_def .. '  lua_rawseti(L, enum_table, ' .. e.attr.init .. ');\n'
 192                         e_def = e_def .. '  lua_pushinteger(L, ' .. e.attr.init .. ');\n'
 193                         e_def = e_def .. '  lua_setfield(L, enum_table, "' .. e.attr.name .. '");\n'
 194                 end
 195         end
 196         e_def = e_def .. '  lua_pushcfunction(L, ' .. c .. e_name .. '_QFLAGS_CREATOR' .. ');\n'
 197         e_def = e_def .. '  lua_setfield(L, enum_table, "QFlags");\n'
 198         e_def = e_def .. '  lua_pushvalue(L, -1);\n'
 199         e_def = e_def .. '  lua_setfield(L, -3, "' .. e_context .. enum.attr.name .. '");\n'
 200         e_def = e_def .. '  lua_remove(L, -2);\n'
 201         e_def = e_def .. '  return 1;\n'
 202         e_def = e_def .. '}\n'
 203   -- ######## QFLAGS SPECIFIC
 204         e_proto = e_proto .. '  ' .. e_static .. self.lua_proto(e_name..'_QFLAGS_CREATOR') .. ';\n'
 205         e_def = e_def .. self.lua_proto(c .. e_name .. '_QFLAGS_CREATOR') .. [[ {
 206         int argn = lua_gettop(L);
 207         int i = 0;
 208   void *p  = lua_newuserdata(L, sizeof(QFlags<]]..e_context..enum.attr.name..[[>*) + sizeof(QFlags<]]..e_context..enum.attr.name..[[>));
 209   QFlags<]]..e_context..enum.attr.name..[[> *fl = static_cast<QFlags<]]..e_context..enum.attr.name..[[>*>( static_cast<void*>(&static_cast<QFlags<]]..e_context..enum.attr.name..[[>**>(p)[1]) );
 210         *(void**)p = fl;
 211         for (i=1;i<=argn;i++) {
 212     *fl |= static_cast<]]..e_context..enum.attr.name..[[>(lqtL_toenum(L, i, "]]..e_context..enum.attr.name..[["));
 213         }
 214         if (luaL_newmetatable(L, "QFlags<]]..e_context..enum.attr.name..[[>*")) {
 215                 lua_pushstring(L, "QFlags<]]..e_context..enum.attr.name..[[>*");
 216                 lua_setfield(L, -2, "__qtype");
 217         }
 218         lua_setmetatable(L, -2);
 219         return 1;
 220 }
 221 ]]
 222         --print (e_def)
 223         return e_proto, e_def, e_name
 224 end
 225
 226 B.enum_push_body = B.enum_push_body_plus_qt
 227
 228
 229 make_standard_qt(B,
 230 --'QTimer'
 231 [[
 232 QAbstractScrollArea
 233 QAction
 234 QApplication
 235 QBoxLayout
 236 QColor
 237 QCoreApplication
 238 QDialog
 239 QEvent
 240 QFileDialog
 241 QFont
 242 QFrame
 243 QGraphicsItem
 244 QGraphicsScene
 245 QGraphicsView
 246 QHBoxLayout
 247 QIcon
 248 QImage
 249 QInputEvent
 250 QKeyEvent
 251 QKeySequence
 252 QLabel
 253 QLayout
 254 QLayoutItem
 255 QLineEdit
 256 QMainWindow
 257 QMenuBar
 258 QMenu
 259 QMessageBox
 260 QObject
 261 QPaintDevice
 262 QShortcut
 263 QSize
 264 QSyntaxHighlighter
 265 Qt
 266 QTextBlockUserData
 267 QTextCharFormat
 268 QTextCursor
 269 QTextDocument
 270 QTextEdit
 271 QTextFormat
 272 QToolBar
 273 QVBoxLayout
 274 QWidget
 275 ]]
 276 )
 277
 278