##// END OF EJS Templates
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1 1 /****************************************************************************
2 2 **
3 3 ** Copyright (C) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
4 4 ** All rights reserved.
5 5 ** Contact: Nokia Corporation (qt-info@nokia.com)
6 6 **
7 7 ** This file is part of the Qt Script Generator project on Qt Labs.
8 8 **
9 9 ** $QT_BEGIN_LICENSE:LGPL$
10 10 ** No Commercial Usage
11 11 ** This file contains pre-release code and may not be distributed.
12 12 ** You may use this file in accordance with the terms and conditions
13 13 ** contained in the Technology Preview License Agreement accompanying
14 14 ** this package.
15 15 **
16 16 ** GNU Lesser General Public License Usage
17 17 ** Alternatively, this file may be used under the terms of the GNU Lesser
18 18 ** General Public License version 2.1 as published by the Free Software
19 19 ** Foundation and appearing in the file LICENSE.LGPL included in the
20 20 ** packaging of this file. Please review the following information to
21 21 ** ensure the GNU Lesser General Public License version 2.1 requirements
22 22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
23 23 **
24 24 ** In addition, as a special exception, Nokia gives you certain additional
25 25 ** rights. These rights are described in the Nokia Qt LGPL Exception
26 26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
27 27 **
28 28 ** If you have questions regarding the use of this file, please contact
29 29 ** Nokia at qt-info@nokia.com.
30 30 **
31 31 **
32 32 **
33 33 **
34 34 **
35 35 **
36 36 **
37 37 **
38 38 ** $QT_END_LICENSE$
39 39 **
40 40 ****************************************************************************/
41 41
42 42 #include "shellgenerator.h"
43 43 #include "reporthandler.h"
44 44
45 45 #include "metaqtscript.h"
46 46
47 47 bool ShellGenerator::shouldGenerate(const AbstractMetaClass *meta_class) const
48 48 {
49 49 uint cg = meta_class->typeEntry()->codeGeneration();
50 50 if (meta_class->name().startsWith("QtScript")) return false;
51 51 if (meta_class->name().startsWith("QFuture")) return false;
52 52 if (meta_class->name().startsWith("Global")) return false;
53 53 if (meta_class->name().startsWith("QStyleOptionComplex")) return false;
54 54 if (meta_class->name().startsWith("QTextLayout")) return false;
55 55 //if (meta_class->name().startsWith("QTextStream")) return false; // because of >> operators
56 56 //if (meta_class->name().startsWith("QDataStream")) return false; // "
57 57 return ((cg & TypeEntry::GenerateCode) != 0);
58 58 }
59 59
60 60 void ShellGenerator::writeTypeInfo(QTextStream &s, const AbstractMetaType *type, Option options)
61 61 {
62 62 if ((options & OriginalTypeDescription) && !type->originalTypeDescription().isEmpty()) {
63 63 s << type->originalTypeDescription();
64 64 return;
65 65 }
66 66
67 67 if (type->isArray()) {
68 68 writeTypeInfo(s, type->arrayElementType(), options);
69 69 if (options & ArrayAsPointer) {
70 70 s << "*";
71 71 } else {
72 72 s << "[" << type->arrayElementCount() << "]";
73 73 }
74 74 return;
75 75 }
76 76
77 77 const TypeEntry *te = type->typeEntry();
78 78
79 79 if (type->isConstant() && !(options & ExcludeConst))
80 80 s << "const ";
81 81
82 82 if ((options & EnumAsInts) && (te->isEnum() || te->isFlags())) {
83 83 s << "int";
84 84 } else if (te->isFlags()) {
85 85 s << ((FlagsTypeEntry *) te)->originalName();
86 86 } else {
87 87 s << fixCppTypeName(te->qualifiedCppName());
88 88 }
89 89
90 90 if (type->instantiations().size() > 0
91 91 && (!type->isContainer()
92 92 || (static_cast<const ContainerTypeEntry *>(te))->type() != ContainerTypeEntry::StringListContainer)) {
93 93 s << '<';
94 94 QList<AbstractMetaType *> args = type->instantiations();
95 95 bool nested_template = false;
96 96 for (int i=0; i<args.size(); ++i) {
97 97 if (i != 0)
98 98 s << ", ";
99 99 nested_template |= args.at(i)->isContainer();
100 100 writeTypeInfo(s, args.at(i));
101 101 }
102 102 if (nested_template)
103 103 s << ' ';
104 104 s << '>';
105 105 }
106 106
107 107 s << QString(type->indirections(), '*');
108 108
109 109 if (type->isReference() && !(options & ExcludeReference) && !(options & ConvertReferenceToPtr))
110 110 s << "&";
111 111
112 112 if (type->isReference() && (options & ConvertReferenceToPtr)) {
113 113 s << "*";
114 114 }
115 115
116 116
117 117 if (!(options & SkipName))
118 118 s << ' ';
119 119 }
120 120
121 121
122 122 void ShellGenerator::writeFunctionArguments(QTextStream &s, const AbstractMetaClass* owner,
123 123 const AbstractMetaArgumentList &arguments,
124 124 Option option,
125 125 int numArguments)
126 126 {
127 127 if (numArguments < 0) numArguments = arguments.size();
128 128
129 129 for (int i=0; i<numArguments; ++i) {
130 130 if (i != 0)
131 131 s << ", ";
132 132 AbstractMetaArgument *arg = arguments.at(i);
133 133 writeTypeInfo(s, arg->type(), option);
134 134 if (!(option & SkipName))
135 135 s << " " << arg->argumentName();
136 136 if ((option & IncludeDefaultExpression) && !arg->originalDefaultValueExpression().isEmpty()) {
137 137 s << " = ";
138 138
139 139 QString expr = arg->originalDefaultValueExpression();
140 140 if (expr != "0") {
141 141 QString qualifier;
142 142 if (arg->type()->typeEntry()->isEnum() && expr.indexOf("::") < 0) {
143 143 qualifier = ((EnumTypeEntry *)arg->type()->typeEntry())->qualifier();
144 144 } else if (arg->type()->typeEntry()->isFlags() && expr.indexOf("::") < 0) {
145 145 qualifier = ((FlagsTypeEntry *)arg->type()->typeEntry())->originator()->qualifier();
146 146 }
147 147 if (!qualifier.isEmpty()) {
148 148 s << qualifier << "::";
149 149 }
150 150 }
151 151 if (expr.contains("defaultConnection")) {
152 152 expr.replace("defaultConnection","QSqlDatabase::defaultConnection");
153 153 }
154 154 if (expr == "MediaSource()") {
155 155 expr = "Phonon::MediaSource()";
156 156 }
157 157 s << expr;
158 158 }
159 159 }
160 160 }
161 161
162 162 /*!
163 163 * Writes the function \a meta_function signature to the textstream \a s.
164 164 *
165 165 * The \a name_prefix can be used to give the function name a prefix,
166 166 * like "__public_" or "__override_" and \a classname_prefix can
167 167 * be used to give the class name a prefix.
168 168 *
169 169 * The \a option flags can be used to tweak various parameters, such as
170 170 * showing static, original vs renamed name, underscores for space etc.
171 171 *
172 172 * The \a extra_arguments list is a list of extra arguments on the
173 173 * form "bool static_call".
174 174 */
175 175
176 176 void ShellGenerator::writeFunctionSignature(QTextStream &s,
177 177 const AbstractMetaFunction *meta_function,
178 178 const AbstractMetaClass *implementor,
179 179 const QString &name_prefix,
180 180 Option option,
181 181 const QString &classname_prefix,
182 182 const QStringList &extra_arguments,
183 183 int numArguments)
184 184 {
185 185 // ### remove the implementor
186 186 AbstractMetaType *function_type = meta_function->type();
187 187
188 188
189 189 if ((option & SkipReturnType) == 0) {
190 190 if (function_type) {
191 191 writeTypeInfo(s, function_type, option);
192 192 s << " ";
193 193 } else if (!meta_function->isConstructor()) {
194 194 s << "void ";
195 195 }
196 196 }
197 197
198 198 if (implementor) {
199 199 if (classname_prefix.isEmpty())
200 200 s << wrapperClassName(implementor) << "::";
201 201 else
202 202 s << classname_prefix << implementor->name() << "::";
203 203 }
204 204
205 205
206 206 QString function_name;
207 207 if (option & OriginalName)
208 208 function_name = meta_function->originalName();
209 209 else
210 210 function_name = meta_function->name();
211 211
212 212 if (option & UnderscoreSpaces)
213 213 function_name = function_name.replace(' ', '_');
214 214
215 215 if (meta_function->isConstructor())
216 216 function_name = meta_function->ownerClass()->name();
217 217
218 218 if (meta_function->isStatic() && (option & ShowStatic)) {
219 219 function_name = "static_" + meta_function->ownerClass()->name() + "_" + function_name;
220 220 }
221 221
222 222 if (function_name.startsWith("operator")) {
223 223 function_name = meta_function->name();
224 224 }
225 225
226 226 s << name_prefix << function_name;
227 227
228 228 if (meta_function->attributes() & AbstractMetaAttributes::SetterFunction)
229 229 s << "_setter";
230 230 else if (meta_function->attributes() & AbstractMetaAttributes::GetterFunction)
231 231 s << "_getter";
232 232
233 233 s << "(";
234 234
235 235 if ((option & FirstArgIsWrappedObject) && meta_function->ownerClass() && !meta_function->isConstructor() && !meta_function->isStatic()) {
236 236 s << meta_function->ownerClass()->qualifiedCppName() << "* theWrappedObject";
237 237 if (meta_function->arguments().size() != 0) {
238 238 s << ", ";
239 239 }
240 240 }
241 241
242 242 writeFunctionArguments(s, meta_function->ownerClass(), meta_function->arguments(), Option(option & Option(~ConvertReferenceToPtr)), numArguments);
243 243
244 244 // The extra arguments...
245 245 for (int i=0; i<extra_arguments.size(); ++i) {
246 246 if (i > 0 || meta_function->arguments().size() != 0)
247 247 s << ", ";
248 248 s << extra_arguments.at(i);
249 249 }
250 250
251 251 s << ")";
252 252 if (meta_function->isConstant())
253 253 s << " const";
254 254 }
255 255
256 256 AbstractMetaFunctionList ShellGenerator::getFunctionsToWrap(const AbstractMetaClass* meta_class)
257 257 {
258 258 AbstractMetaFunctionList functions = meta_class->queryFunctions(
259 259 AbstractMetaClass::NormalFunctions | AbstractMetaClass::WasPublic
260 260 | AbstractMetaClass::NotRemovedFromTargetLang | AbstractMetaClass::ClassImplements
261 261 );
262 262 AbstractMetaFunctionList functions2 = meta_class->queryFunctions(
263 263 AbstractMetaClass::VirtualFunctions | AbstractMetaClass::WasVisible
264 264 | AbstractMetaClass::NotRemovedFromTargetLang | AbstractMetaClass::ClassImplements
265 265 );
266 266 QSet<AbstractMetaFunction*> set1 = QSet<AbstractMetaFunction*>::fromList(functions);
267 267 foreach(AbstractMetaFunction* func, functions2) {
268 268 set1.insert(func);
269 269 }
270 270
271 271 AbstractMetaFunctionList resultFunctions;
272 272
273 273 foreach(AbstractMetaFunction* func, set1.toList()) {
274 274 if (!func->isAbstract() && func->implementingClass()==meta_class) {
275 275 resultFunctions << func;
276 276 }
277 277 }
278 qStableSort(resultFunctions);
278 279 return resultFunctions;
279 280 }
280 281
281 282 AbstractMetaFunctionList ShellGenerator::getVirtualFunctionsForShell(const AbstractMetaClass* meta_class)
282 283 {
283 284 AbstractMetaFunctionList functions = meta_class->queryFunctions(
284 285 AbstractMetaClass::VirtualFunctions | AbstractMetaClass::WasVisible
285 286 // | AbstractMetaClass::NotRemovedFromTargetLang
286 287 );
288 qStableSort(functions);
287 289 return functions;
288 290 }
289 291
290 292 AbstractMetaFunctionList ShellGenerator::getProtectedFunctionsThatNeedPromotion(const AbstractMetaClass* meta_class)
291 293 {
292 294 AbstractMetaFunctionList functions;
293 295 AbstractMetaFunctionList functions1 = getFunctionsToWrap(meta_class);
294 296 foreach(AbstractMetaFunction* func, functions1) {
295 297 if (!func->isPublic() || func->isVirtual()) {
296 298 functions << func;
297 299 }
298 300 }
301 qStableSort(functions);
299 302 return functions;
300 303 }
301 304
302 305 /*!
303 306 Writes the include defined by \a inc to \a stream.
304 307 */
305 308 void ShellGenerator::writeInclude(QTextStream &stream, const Include &inc)
306 309 {
307 310 if (inc.name.isEmpty())
308 311 return;
309 312 if (inc.type == Include::TargetLangImport)
310 313 return;
311 314 stream << "#include ";
312 315 if (inc.type == Include::IncludePath)
313 316 stream << "<";
314 317 else
315 318 stream << "\"";
316 319 stream << inc.name;
317 320 if (inc.type == Include::IncludePath)
318 321 stream << ">";
319 322 else
320 323 stream << "\"";
321 324 stream << endl;
322 325 }
323 326
324 327 /*!
325 328 Returns true if the given function \a fun is operator>>() or
326 329 operator<<() that streams from/to a Q{Data,Text}Stream, false
327 330 otherwise.
328 331 */
329 332 bool ShellGenerator::isSpecialStreamingOperator(const AbstractMetaFunction *fun)
330 333 {
331 334 return ((fun->functionType() == AbstractMetaFunction::GlobalScopeFunction)
332 335 && (fun->arguments().size() == 1)
333 336 && (((fun->originalName() == "operator>>") && (fun->modifiedName() == "readFrom"))
334 337 || ((fun->originalName() == "operator<<") && (fun->modifiedName() == "writeTo"))));
335 338 }
336 339
337 340 bool ShellGenerator::isBuiltIn(const QString& name) {
338 341
339 342 static QSet<QString> builtIn;
340 343 if (builtIn.isEmpty()) {
341 344 builtIn.insert("Qt");
342 345 builtIn.insert("QFont");
343 346 builtIn.insert("QPixmap");
344 347 builtIn.insert("QBrush");
345 348 builtIn.insert("QBitArray");
346 349 builtIn.insert("QPalette");
347 350 builtIn.insert("QPen");
348 351 builtIn.insert("QIcon");
349 352 builtIn.insert("QImage");
350 353 builtIn.insert("QPolygon");
351 354 builtIn.insert("QRegion");
352 355 builtIn.insert("QBitmap");
353 356 builtIn.insert("QCursor");
354 357 builtIn.insert("QColor");
355 358 builtIn.insert("QSizePolicy");
356 359 builtIn.insert("QKeySequence");
357 360 builtIn.insert("QTextLength");
358 361 builtIn.insert("QTextFormat");
359 362 builtIn.insert("QMatrix");
360 363 builtIn.insert("QDate");
361 364 builtIn.insert("QTime");
362 365 builtIn.insert("QDateTime");
363 366 builtIn.insert("QUrl");
364 367 builtIn.insert("QLocale");
365 368 builtIn.insert("QRect");
366 369 builtIn.insert("QRectF");
367 370 builtIn.insert("QSize");
368 371 builtIn.insert("QSizeF");
369 372 builtIn.insert("QLine");
370 373 builtIn.insert("QLineF");
371 374 builtIn.insert("QPoint");
372 375 builtIn.insert("QPointF");
373 376 builtIn.insert("QRegExp");
374 377 }
375 378 return builtIn.contains(name);
376 379 }
377 380
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