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Diffstat (limited to 'tools/linguist/shared/cpp.cpp')
-rw-r--r-- | tools/linguist/shared/cpp.cpp | 1098 |
1 files changed, 0 insertions, 1098 deletions
diff --git a/tools/linguist/shared/cpp.cpp b/tools/linguist/shared/cpp.cpp deleted file mode 100644 index ac6bd33..0000000 --- a/tools/linguist/shared/cpp.cpp +++ /dev/null @@ -1,1098 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the Qt Linguist of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the either Technology Preview License Agreement or the -** Beta Release License Agreement. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain -** additional rights. These rights are described in the Nokia Qt LGPL -** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this -** package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** If you are unsure which license is appropriate for your use, please -** contact the sales department at http://www.qtsoftware.com/contact. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "translator.h" - -#include <QtCore/QDebug> -#include <QtCore/QStack> -#include <QtCore/QString> -#include <QtCore/QTextCodec> -#include <QtCore/QTextStream> - -#include <ctype.h> // for isXXX() - -QT_BEGIN_NAMESPACE - -/* qmake ignore Q_OBJECT */ - -static const char MagicComment[] = "TRANSLATOR "; - -static QSet<QString> needs_Q_OBJECT; -static QSet<QString> lacks_Q_OBJECT; - -static const int yyIdentMaxLen = 128; -static const int yyCommentMaxLen = 65536; -static const int yyStringMaxLen = 65536; - -#define STRINGIFY_INTERNAL(x) #x -#define STRINGIFY(x) STRINGIFY_INTERNAL(x) -#define STRING(s) static QString str##s(QLatin1String(STRINGIFY(s))) - -//#define DIAGNOSE_RETRANSLATABILITY -/* - The first part of this source file is the C++ tokenizer. We skip - most of C++; the only tokens that interest us are defined here. - Thus, the code fragment - - int main() - { - printf("Hello, world!\n"); - return 0; - } - - is broken down into the following tokens (Tok_ omitted): - - Ident Ident LeftParen RightParen - LeftBrace - Ident LeftParen String RightParen Semicolon - return Semicolon - RightBrace. - - The 0 doesn't produce any token. -*/ - -enum { - Tok_Eof, Tok_class, Tok_namespace, Tok_return, - Tok_tr = 10, Tok_trUtf8, Tok_translate, Tok_translateUtf8, - Tok_Q_OBJECT = 20, Tok_Q_DECLARE_TR_FUNCTIONS, - Tok_Ident, Tok_Comment, Tok_String, Tok_Arrow, Tok_Colon, Tok_ColonColon, - Tok_Equals, - Tok_LeftBrace = 30, Tok_RightBrace, Tok_LeftParen, Tok_RightParen, Tok_Comma, Tok_Semicolon, - Tok_Integer = 40, - Tok_Other -}; - -/* - The tokenizer maintains the following global variables. The names - should be self-explanatory. -*/ -static QString yyFileName; -static int yyCh; -static bool yyCodecIsUtf8; -static bool yyForceUtf8; -static QString yyIdent; -static QString yyComment; -static QString yyString; -static qlonglong yyInteger; -static QStack<int> yySavedBraceDepth; -static QStack<int> yySavedParenDepth; -static int yyBraceDepth; -static int yyParenDepth; -static int yyLineNo; -static int yyCurLineNo; -static int yyBraceLineNo; -static int yyParenLineNo; -static bool yyTokColonSeen = false; - -// the string to read from and current position in the string -static QTextCodec *yySourceCodec; -static bool yySourceIsUnicode; -static QString yyInStr; -static int yyInPos; - -static uint getChar() -{ - forever { - if (yyInPos >= yyInStr.size()) - return EOF; - uint c = yyInStr[yyInPos++].unicode(); - if (c == '\\' && yyInPos < yyInStr.size()) { - if (yyInStr[yyInPos].unicode() == '\n') { - ++yyCurLineNo; - ++yyInPos; - continue; - } - if (yyInStr[yyInPos].unicode() == '\r') { - ++yyCurLineNo; - ++yyInPos; - if (yyInPos < yyInStr.size() && yyInStr[yyInPos].unicode() == '\n') - ++yyInPos; - continue; - } - } - if (c == '\r') { - if (yyInPos < yyInStr.size() && yyInStr[yyInPos].unicode() == '\n') - ++yyInPos; - c = '\n'; - ++yyCurLineNo; - } else if (c == '\n') { - ++yyCurLineNo; - } - return c; - } -} - -static uint getToken() -{ - yyIdent.clear(); - yyComment.clear(); - yyString.clear(); - - while (yyCh != EOF) { - yyLineNo = yyCurLineNo; - - if (isalpha(yyCh) || yyCh == '_') { - do { - yyIdent += yyCh; - yyCh = getChar(); - } while (isalnum(yyCh) || yyCh == '_'); - - //qDebug() << "IDENT: " << yyIdent; - - switch (yyIdent.at(0).unicode()) { - case 'Q': - if (yyIdent == QLatin1String("Q_OBJECT")) - return Tok_Q_OBJECT; - if (yyIdent == QLatin1String("Q_DECLARE_TR_FUNCTIONS")) - return Tok_Q_DECLARE_TR_FUNCTIONS; - if (yyIdent == QLatin1String("QT_TR_NOOP")) - return Tok_tr; - if (yyIdent == QLatin1String("QT_TRANSLATE_NOOP")) - return Tok_translate; - if (yyIdent == QLatin1String("QT_TRANSLATE_NOOP3")) - return Tok_translate; - if (yyIdent == QLatin1String("QT_TR_NOOP_UTF8")) - return Tok_trUtf8; - if (yyIdent == QLatin1String("QT_TRANSLATE_NOOP_UTF8")) - return Tok_translateUtf8; - if (yyIdent == QLatin1String("QT_TRANSLATE_NOOP3_UTF8")) - return Tok_translateUtf8; - break; - case 'T': - // TR() for when all else fails - if (yyIdent.compare(QLatin1String("TR"), Qt::CaseInsensitive) == 0) { - return Tok_tr; - } - break; - case 'c': - if (yyIdent == QLatin1String("class")) - return Tok_class; - break; - case 'f': - /* - QTranslator::findMessage() has the same parameters as - QApplication::translate(). - */ - if (yyIdent == QLatin1String("findMessage")) - return Tok_translate; - break; - case 'n': - if (yyIdent == QLatin1String("namespace")) - return Tok_namespace; - break; - case 'r': - if (yyIdent == QLatin1String("return")) - return Tok_return; - break; - case 's': - if (yyIdent == QLatin1String("struct")) - return Tok_class; - break; - case 't': - if (yyIdent == QLatin1String("tr")) { - return Tok_tr; - } - if (yyIdent == QLatin1String("trUtf8")) { - return Tok_trUtf8; - } - if (yyIdent == QLatin1String("translate")) { - return Tok_translate; - } - } - return Tok_Ident; - } else { - switch (yyCh) { - case '#': - /* - Early versions of lupdate complained about - unbalanced braces in the following code: - - #ifdef ALPHA - while (beta) { - #else - while (gamma) { - #endif - delta; - } - - The code contains, indeed, two opening braces for - one closing brace; yet there's no reason to panic. - - The solution is to remember yyBraceDepth as it was - when #if, #ifdef or #ifndef was met, and to set - yyBraceDepth to that value when meeting #elif or - #else. - */ - do { - yyCh = getChar(); - } while (isspace(yyCh) && yyCh != '\n'); - - switch (yyCh) { - case 'i': - yyCh = getChar(); - if (yyCh == 'f') { - // if, ifdef, ifndef - yySavedBraceDepth.push(yyBraceDepth); - yySavedParenDepth.push(yyParenDepth); - } - break; - case 'e': - yyCh = getChar(); - if (yyCh == 'l') { - // elif, else - if (!yySavedBraceDepth.isEmpty()) { - yyBraceDepth = yySavedBraceDepth.top(); - yyParenDepth = yySavedParenDepth.top(); - } - } else if (yyCh == 'n') { - // endif - if (!yySavedBraceDepth.isEmpty()) { - yySavedBraceDepth.pop(); - yySavedParenDepth.pop(); - } - } - } - while (isalnum(yyCh) || yyCh == '_') - yyCh = getChar(); - break; - case '/': - yyCh = getChar(); - if (yyCh == '/') { - do { - yyCh = getChar(); - if (yyCh == EOF) - break; - yyComment.append(yyCh); - } while (yyCh != '\n'); - } else if (yyCh == '*') { - bool metAster = false; - bool metAsterSlash = false; - - while (!metAsterSlash) { - yyCh = getChar(); - if (yyCh == EOF) { - qWarning("%s: Unterminated C++ comment starting at" - " line %d\n", - qPrintable(yyFileName), yyLineNo); - return Tok_Comment; - } - yyComment.append(yyCh); - - if (yyCh == '*') - metAster = true; - else if (metAster && yyCh == '/') - metAsterSlash = true; - else - metAster = false; - } - yyCh = getChar(); - yyComment.chop(2); - } - return Tok_Comment; - case '"': - yyCh = getChar(); - while (yyCh != EOF && yyCh != '\n' && yyCh != '"') { - if (yyCh == '\\') { - yyCh = getChar(); - if (yyString.size() < yyStringMaxLen) { - yyString.append(QLatin1Char('\\')); - yyString.append(yyCh); - } - } else { - if (yyString.size() < yyStringMaxLen) - yyString.append(yyCh); - } - yyCh = getChar(); - } - - if (yyCh != '"') - qWarning("%s:%d: Unterminated C++ string", - qPrintable(yyFileName), yyLineNo); - - if (yyCh == EOF) - return Tok_Eof; - yyCh = getChar(); - return Tok_String; - case '-': - yyCh = getChar(); - if (yyCh == '>') { - yyCh = getChar(); - return Tok_Arrow; - } - break; - case ':': - yyCh = getChar(); - if (yyCh == ':') { - yyCh = getChar(); - return Tok_ColonColon; - } - return Tok_Colon; - // Incomplete: '<' might be part of '<=' or of template syntax. - // The main intent of not completely ignoring it is to break - // parsing of things like std::cout << QObject::tr() as - // context std::cout::QObject (see Task 161106) - case '=': - yyCh = getChar(); - return Tok_Equals; - case '>': - case '<': - yyCh = getChar(); - return Tok_Other; - case '\'': - yyCh = getChar(); - if (yyCh == '\\') - yyCh = getChar(); - - do { - yyCh = getChar(); - } while (yyCh != EOF && yyCh != '\''); - yyCh = getChar(); - break; - case '{': - if (yyBraceDepth == 0) - yyBraceLineNo = yyCurLineNo; - yyBraceDepth++; - yyCh = getChar(); - return Tok_LeftBrace; - case '}': - if (yyBraceDepth == 0) - yyBraceLineNo = yyCurLineNo; - yyBraceDepth--; - yyCh = getChar(); - return Tok_RightBrace; - case '(': - if (yyParenDepth == 0) - yyParenLineNo = yyCurLineNo; - yyParenDepth++; - yyCh = getChar(); - return Tok_LeftParen; - case ')': - if (yyParenDepth == 0) - yyParenLineNo = yyCurLineNo; - yyParenDepth--; - yyCh = getChar(); - return Tok_RightParen; - case ',': - yyCh = getChar(); - return Tok_Comma; - case ';': - yyCh = getChar(); - return Tok_Semicolon; - case '0': - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - { - QByteArray ba; - ba += yyCh; - yyCh = getChar(); - bool hex = yyCh == 'x'; - if (hex) { - ba += yyCh; - yyCh = getChar(); - } - while (hex ? isxdigit(yyCh) : isdigit(yyCh)) { - ba += yyCh; - yyCh = getChar(); - } - bool ok; - yyInteger = ba.toLongLong(&ok); - if (ok) - return Tok_Integer; - break; - } - default: - yyCh = getChar(); - break; - } - } - } - return Tok_Eof; -} - -/* - The second part of this source file is the parser. It accomplishes - a very easy task: It finds all strings inside a tr() or translate() - call, and possibly finds out the context of the call. It supports - three cases: (1) the context is specified, as in - FunnyDialog::tr("Hello") or translate("FunnyDialog", "Hello"); - (2) the call appears within an inlined function; (3) the call - appears within a function defined outside the class definition. -*/ - -static uint yyTok; - -static bool match(uint t) -{ - bool matches = (yyTok == t); - if (matches) - yyTok = getToken(); - return matches; -} - -static bool matchString(QString *s) -{ - bool matches = (yyTok == Tok_String); - s->clear(); - while (yyTok == Tok_String) { - *s += yyString; - do { - yyTok = getToken(); - } while (yyTok == Tok_Comment); - } - return matches; -} - -static bool matchEncoding(bool *utf8) -{ - STRING(QApplication); - STRING(QCoreApplication); - STRING(UnicodeUTF8); - STRING(DefaultCodec); - STRING(CodecForTr); - - if (yyTok != Tok_Ident) - return false; - if (yyIdent == strQApplication || yyIdent == strQCoreApplication) { - yyTok = getToken(); - if (yyTok == Tok_ColonColon) - yyTok = getToken(); - } - if (yyIdent == strUnicodeUTF8) { - *utf8 = true; - yyTok = getToken(); - return true; - } - if (yyIdent == strDefaultCodec || yyIdent == strCodecForTr) { - *utf8 = false; - yyTok = getToken(); - return true; - } - return false; -} - -static bool matchInteger(qlonglong *number) -{ - bool matches = (yyTok == Tok_Integer); - if (matches) { - yyTok = getToken(); - *number = yyInteger; - } - return matches; -} - -static bool matchStringOrNull(QString *s) -{ - bool matches = matchString(s); - qlonglong num = 0; - if (!matches) - matches = matchInteger(&num); - return matches && num == 0; -} - -/* - * match any expression that can return a number, which can be - * 1. Literal number (e.g. '11') - * 2. simple identifier (e.g. 'm_count') - * 3. simple function call (e.g. 'size()' ) - * 4. function call on an object (e.g. 'list.size()') - * 5. function call on an object (e.g. 'list->size()') - * - * Other cases: - * size(2,4) - * list().size() - * list(a,b).size(2,4) - * etc... - */ -static bool matchExpression() -{ - if (match(Tok_Integer)) - return true; - - int parenlevel = 0; - while (match(Tok_Ident) || parenlevel > 0) { - if (yyTok == Tok_RightParen) { - if (parenlevel == 0) break; - --parenlevel; - yyTok = getToken(); - } else if (yyTok == Tok_LeftParen) { - yyTok = getToken(); - if (yyTok == Tok_RightParen) { - yyTok = getToken(); - } else { - ++parenlevel; - } - } else if (yyTok == Tok_Ident) { - continue; - } else if (yyTok == Tok_Arrow) { - yyTok = getToken(); - } else if (parenlevel == 0) { - return false; - } - } - return true; -} - -static QStringList resolveNamespaces( - const QStringList &namespaces, const QHash<QString, QStringList> &namespaceAliases) -{ - static QString strColons(QLatin1String("::")); - - QStringList ns; - foreach (const QString &cns, namespaces) { - ns << cns; - ns = namespaceAliases.value(ns.join(strColons), ns); - } - return ns; -} - -static QStringList getFullyQualifiedNamespaceName( - const QSet<QString> &allNamespaces, const QStringList &namespaces, - const QHash<QString, QStringList> &namespaceAliases, - const QStringList &segments) -{ - static QString strColons(QLatin1String("::")); - - if (segments.first().isEmpty()) { - // fully qualified - QStringList segs = segments; - segs.removeFirst(); - return resolveNamespaces(segs, namespaceAliases); - } else { - for (int n = namespaces.count(); --n >= -1; ) { - QStringList ns; - for (int i = 0; i <= n; ++i) // Note: n == -1 possible - ns << namespaces[i]; - foreach (const QString &cns, segments) { - ns << cns; - ns = namespaceAliases.value(ns.join(strColons), ns); - } - if (allNamespaces.contains(ns.join(strColons))) - return ns; - } - - // Fallback when the namespace was declared in a header, etc. - QStringList ns = namespaces; - ns += segments; - return ns; - } -} - -static QString getFullyQualifiedClassName( - const QSet<QString> &allClasses, const QStringList &namespaces, - const QHash<QString, QStringList> &namespaceAliases, - const QString &ident, bool hasPrefix) -{ - static QString strColons(QLatin1String("::")); - - QString context = ident; - QStringList segments = context.split(strColons); - if (segments.first().isEmpty()) { - // fully qualified - segments.removeFirst(); - context = resolveNamespaces(segments, namespaceAliases).join(strColons); - } else { - for (int n = namespaces.count(); --n >= -1; ) { - QStringList ns; - for (int i = 0; i <= n; ++i) // Note: n == -1 possible - ns.append(namespaces[i]); - foreach (const QString &cns, segments) { - ns.append(cns); - ns = namespaceAliases.value(ns.join(strColons), ns); - } - QString nctx = ns.join(strColons); - if (allClasses.contains(nctx)) { - context = nctx; - goto gotit; - } - } - - if (!hasPrefix && namespaces.count()) - context = namespaces.join(strColons) + strColons + context; - } -gotit: - //qDebug() << "CLASSES:" << allClasses << "NAMEPACES:" << namespaces - // << "IDENT:" << ident << "CONTEXT:" << context; - return context; -} - - -static QString transcode(const QString &str, bool utf8) -{ - static const char tab[] = "abfnrtv"; - static const char backTab[] = "\a\b\f\n\r\t\v"; - const QString in = (!utf8 || yySourceIsUnicode) - ? str : QString::fromUtf8(yySourceCodec->fromUnicode(str).data()); - QString out; - - out.reserve(in.length()); - for (int i = 0; i < in.length();) { - ushort c = in[i++].unicode(); - if (c == '\\') { - if (i >= in.length()) - break; - c = in[i++].unicode(); - - if (c == '\n') - continue; - - if (c == 'x') { - QByteArray hex; - while (i < in.length() && isxdigit((c = in[i].unicode()))) { - hex += c; - i++; - } - out += hex.toUInt(0, 16); - } else if (c >= '0' && c < '8') { - QByteArray oct; - int n = 0; - oct += c; - while (n < 2 && i < in.length() && (c = in[i].unicode()) >= '0' && c < '8') { - i++; - n++; - oct += c; - } - out += oct.toUInt(0, 8); - } else { - const char *p = strchr(tab, c); - out += QChar(QLatin1Char(!p ? c : backTab[p - tab])); - } - } else { - out += c; - } - } - return out; -} - -static void recordMessage( - Translator *tor, int line, const QString &context, const QString &text, const QString &comment, - const QString &extracomment, bool utf8, bool plural) -{ - TranslatorMessage msg( - transcode(context, utf8), transcode(text, utf8), transcode(comment, utf8), QString(), - yyFileName, line, QStringList(), - TranslatorMessage::Unfinished, plural); - msg.setExtraComment(transcode(extracomment.simplified(), utf8)); - if ((utf8 || yyForceUtf8) && !yyCodecIsUtf8 && msg.needs8Bit()) - msg.setUtf8(true); - tor->extend(msg); -} - -static void parse(Translator *tor, const QString &initialContext, const QString &defaultContext) -{ - static QString strColons(QLatin1String("::")); - - QMap<QString, QString> qualifiedContexts; - QSet<QString> allClasses; - QSet<QString> allNamespaces; - QHash<QString, QStringList> namespaceAliases; - QStringList namespaces; - QString context; - QString text; - QString comment; - QString extracomment; - QString functionContext = initialContext; - QString prefix; -#ifdef DIAGNOSE_RETRANSLATABILITY - QString functionName; -#endif - int line; - bool utf8 = false; - bool missing_Q_OBJECT = false; - - yyTok = getToken(); - while (yyTok != Tok_Eof) { - //qDebug() << "TOKEN: " << yyTok; - switch (yyTok) { - case Tok_class: - yyTokColonSeen = false; - /* - Partial support for inlined functions. - */ - yyTok = getToken(); - if (yyBraceDepth == namespaces.count() && yyParenDepth == 0) { - QStringList fct; - do { - /* - This code should execute only once, but we play - safe with impure definitions such as - 'class Q_EXPORT QMessageBox', in which case - 'QMessageBox' is the class name, not 'Q_EXPORT'. - */ - fct = QStringList(yyIdent); - yyTok = getToken(); - } while (yyTok == Tok_Ident); - while (yyTok == Tok_ColonColon) { - yyTok = getToken(); - if (yyTok != Tok_Ident) - break; // Oops ... - fct += yyIdent; - yyTok = getToken(); - } - functionContext = resolveNamespaces(namespaces + fct, namespaceAliases).join(strColons); - allClasses.insert(functionContext); - - if (yyTok == Tok_Colon) { - missing_Q_OBJECT = true; - // Skip any token until '{' since lupdate might do things wrong if it finds - // a '::' token here. - do { - yyTok = getToken(); - } while (yyTok != Tok_LeftBrace && yyTok != Tok_Eof); - } else { - //functionContext = defaultContext; - } - } - break; - case Tok_namespace: - yyTokColonSeen = false; - yyTok = getToken(); - if (yyTok == Tok_Ident) { - QString ns = yyIdent; - yyTok = getToken(); - if (yyTok == Tok_LeftBrace) { - if (yyBraceDepth == namespaces.count() + 1) { - namespaces.append(ns); - allNamespaces.insert(namespaces.join(strColons)); - } - } else if (yyTok == Tok_Equals) { - // e.g. namespace Is = OuterSpace::InnerSpace; - QStringList alias = namespaces; - alias.append(ns); - QStringList fullName; - yyTok = getToken(); - if (yyTok == Tok_ColonColon) - fullName.append(QString()); - while (yyTok == Tok_ColonColon || yyTok == Tok_Ident) { - if (yyTok == Tok_Ident) - fullName.append(yyIdent); - yyTok = getToken(); - } - namespaceAliases[alias.join(strColons)] = - getFullyQualifiedNamespaceName(allNamespaces, namespaces, namespaceAliases, fullName); - } - } - break; - case Tok_tr: - case Tok_trUtf8: - utf8 = (yyTok == Tok_trUtf8); - line = yyLineNo; - yyTok = getToken(); - if (match(Tok_LeftParen) && matchString(&text) && !text.isEmpty()) { - comment.clear(); - bool plural = false; - - if (match(Tok_RightParen)) { - // no comment - } else if (match(Tok_Comma) && matchStringOrNull(&comment)) { //comment - if (match(Tok_RightParen)) { - // ok, - } else if (match(Tok_Comma)) { - plural = true; - } - } - if (prefix.isEmpty()) { - context = functionContext; - } else { -#ifdef DIAGNOSE_RETRANSLATABILITY - int last = prefix.lastIndexOf(strColons); - QString className = prefix.mid(last == -1 ? 0 : last + 2); - if (!className.isEmpty() && className == functionName) { - qWarning("%s::%d: It is not recommended to call tr() from within a constructor '%s::%s' ", - qPrintable(yyFileName), yyLineNo, - className.constData(), functionName.constData()); - } -#endif - prefix.chop(2); - context = getFullyQualifiedClassName(allClasses, namespaces, namespaceAliases, prefix, true); - } - prefix.clear(); - if (qualifiedContexts.contains(context)) - context = qualifiedContexts[context]; - - if (!text.isEmpty()) - recordMessage(tor, line, context, text, comment, extracomment, utf8, plural); - - if (lacks_Q_OBJECT.contains(context)) { - qWarning("%s:%d: Class '%s' lacks Q_OBJECT macro", - qPrintable(yyFileName), yyLineNo, - qPrintable(context)); - lacks_Q_OBJECT.remove(context); - } else { - needs_Q_OBJECT.insert(context); - } - } - extracomment.clear(); - break; - case Tok_translateUtf8: - case Tok_translate: - utf8 = (yyTok == Tok_translateUtf8); - line = yyLineNo; - yyTok = getToken(); - if (match(Tok_LeftParen) - && matchString(&context) - && match(Tok_Comma) - && matchString(&text)) - { - comment.clear(); - bool plural = false; - if (!match(Tok_RightParen)) { - // look for comment - if (match(Tok_Comma) && matchStringOrNull(&comment)) { - if (!match(Tok_RightParen)) { - // look for encoding - if (match(Tok_Comma)) { - if (matchEncoding(&utf8)) { - if (!match(Tok_RightParen)) { - // look for the plural quantifier, - // this can be a number, an identifier or - // a function call, - // so for simplicity we mark it as plural if - // we know we have a comma instead of an - // right parentheses. - plural = match(Tok_Comma); - } - } else { - // This can be a QTranslator::translate("context", - // "source", "comment", n) plural translation - if (matchExpression() && match(Tok_RightParen)) { - plural = true; - } else { - break; - } - } - } else { - break; - } - } - } else { - break; - } - } - if (!text.isEmpty()) - recordMessage(tor, line, context, text, comment, extracomment, utf8, plural); - } - extracomment.clear(); - break; - case Tok_Q_DECLARE_TR_FUNCTIONS: - case Tok_Q_OBJECT: - missing_Q_OBJECT = false; - yyTok = getToken(); - break; - case Tok_Ident: - prefix += yyIdent; - yyTok = getToken(); - if (yyTok != Tok_ColonColon) - prefix.clear(); - break; - case Tok_Comment: - if (yyComment.startsWith(QLatin1Char(':'))) { - yyComment.remove(0, 1); - extracomment.append(yyComment); - } else { - comment = yyComment.simplified(); - if (comment.startsWith(QLatin1String(MagicComment))) { - comment.remove(0, sizeof(MagicComment) - 1); - int k = comment.indexOf(QLatin1Char(' ')); - if (k == -1) { - context = comment; - } else { - context = comment.left(k); - comment.remove(0, k + 1); - recordMessage(tor, yyLineNo, context, QString(), comment, extracomment, false, false); - } - - /* - Provide a backdoor for people using "using - namespace". See the manual for details. - */ - k = 0; - while ((k = context.indexOf(strColons, k)) != -1) { - qualifiedContexts.insert(context.mid(k + 2), context); - k++; - } - } - } - yyTok = getToken(); - break; - case Tok_Arrow: - yyTok = getToken(); - if (yyTok == Tok_tr || yyTok == Tok_trUtf8) - qWarning("%s:%d: Cannot invoke tr() like this", - qPrintable(yyFileName), yyLineNo); - break; - case Tok_ColonColon: - if (yyBraceDepth == namespaces.count() && yyParenDepth == 0 && !yyTokColonSeen) - functionContext = getFullyQualifiedClassName(allClasses, namespaces, namespaceAliases, prefix, false); - prefix += strColons; - yyTok = getToken(); -#ifdef DIAGNOSE_RETRANSLATABILITY - if (yyTok == Tok_Ident && yyBraceDepth == namespaces.count() && yyParenDepth == 0) - functionName = yyIdent; -#endif - break; - case Tok_RightBrace: - case Tok_Semicolon: - prefix.clear(); - extracomment.clear(); - yyTokColonSeen = false; - if (yyBraceDepth >= 0 && yyBraceDepth + 1 == namespaces.count()) - namespaces.removeLast(); - if (yyBraceDepth == namespaces.count()) { - if (missing_Q_OBJECT) { - if (needs_Q_OBJECT.contains(functionContext)) { - qWarning("%s:%d: Class '%s' lacks Q_OBJECT macro", - qPrintable(yyFileName), yyLineNo, - qPrintable(functionContext)); - } else { - lacks_Q_OBJECT.insert(functionContext); - } - } - functionContext = defaultContext; - missing_Q_OBJECT = false; - } - yyTok = getToken(); - break; - case Tok_Colon: - yyTokColonSeen = true; - yyTok = getToken(); - break; - case Tok_LeftParen: - case Tok_RightParen: - case Tok_LeftBrace: - yyTokColonSeen = false; - yyTok = getToken(); - break; - default: - yyTok = getToken(); - break; - } - } - - if (yyBraceDepth != 0) - qWarning("%s:%d: Unbalanced braces in C++ code (or abuse of the C++" - " preprocessor)\n", - qPrintable(yyFileName), yyBraceLineNo); - else if (yyParenDepth != 0) - qWarning("%s:%d: Unbalanced parentheses in C++ code (or abuse of the C++" - " preprocessor)\n", - qPrintable(yyFileName), yyParenLineNo); -} - -/* - Fetches tr() calls in C++ code in UI files (inside "<function>" - tag). This mechanism is obsolete. -*/ -void fetchtrInlinedCpp(const QString &in, Translator &translator, const QString &context) -{ - yyInStr = in; - yyInPos = 0; - yyFileName = QString(); - yyCodecIsUtf8 = (translator.codecName() == "UTF-8"); - yyForceUtf8 = true; - yySourceIsUnicode = true; - yySavedBraceDepth.clear(); - yySavedParenDepth.clear(); - yyBraceDepth = 0; - yyParenDepth = 0; - yyCurLineNo = 1; - yyBraceLineNo = 1; - yyParenLineNo = 1; - yyCh = getChar(); - - parse(&translator, context, QString()); -} - - -bool loadCPP(Translator &translator, QIODevice &dev, ConversionData &cd) -{ - QString defaultContext = cd.m_defaultContext; - - yyCodecIsUtf8 = (translator.codecName() == "UTF-8"); - yyForceUtf8 = false; - QTextStream ts(&dev); - QByteArray codecName = cd.m_codecForSource.isEmpty() - ? translator.codecName() : cd.m_codecForSource; - ts.setCodec(QTextCodec::codecForName(codecName)); - ts.setAutoDetectUnicode(true); - yySourceCodec = ts.codec(); - if (yySourceCodec->name() == "UTF-16") - translator.setCodecName("System"); - yySourceIsUnicode = yySourceCodec->name().startsWith("UTF-"); - yyInStr = ts.readAll(); - yyInPos = 0; - yyFileName = cd.m_sourceFileName; - yySavedBraceDepth.clear(); - yySavedParenDepth.clear(); - yyBraceDepth = 0; - yyParenDepth = 0; - yyCurLineNo = 1; - yyBraceLineNo = 1; - yyParenLineNo = 1; - yyCh = getChar(); - - parse(&translator, defaultContext, defaultContext); - - return true; -} - -int initCPP() -{ - Translator::FileFormat format; - format.extension = QLatin1String("cpp"); - format.fileType = Translator::FileFormat::SourceCode; - format.priority = 0; - format.description = QObject::tr("C++ source files"); - format.loader = &loadCPP; - format.saver = 0; - Translator::registerFileFormat(format); - return 1; -} - -Q_CONSTRUCTOR_FUNCTION(initCPP) - -QT_END_NAMESPACE |