FCL/sf/mw/qt: comparison tools/linguist/lupdate/qscript.g

equal deleted inserted replaced

-:ef0373b55136
+:758a864f9613
 %start Program
 /.
 #include <translator.h>
+#include <QtCore/QCoreApplication>
 #include <QtCore/qdebug.h>
 #include <QtCore/qnumeric.h>
 #include <QtCore/qstring.h>
 #include <QtCore/qtextcodec.h>
 #include <QtCore/qvariant.h>
 #include <stdio.h>
 #include <string.h>
 QT_BEGIN_NAMESPACE
+class LU {
+Q_DECLARE_TR_FUNCTIONS(LUpdate)
+};
 static void recordMessage(
 Translator *tor, const QString &context, const QString &text, const QString &comment,
-const QString &extracomment, bool plural, const QString &fileName, int lineNo)
+const QString &extracomment, const QString &msgid, const TranslatorMessage::ExtraData &extra,
+bool plural, const QString &fileName, int lineNo)
 {
 TranslatorMessage msg(
 context, text, comment, QString(),
 fileName, lineNo, QStringList(),
 TranslatorMessage::Unfinished, plural);
 msg.setExtraComment(extracomment.simplified());
+msg.setId(msgid);
+msg.setExtras(extra);
 tor->extend(msg);
 }
 namespace QScript
 {
+class CommentProcessor
+{
+public:
+virtual ~CommentProcessor() {}
+virtual void processComment(const QChar *chars, int length) = 0;
+};
 class Lexer
 {
 public:
-Lexer();
+Lexer(CommentProcessor *);
 ~Lexer();
-void setCode(const QString &c, int lineno);
+void setCode(const QString &c, const QString &fileName, int lineno);
 int lex();
+QString fileName() const { return yyfilename; }
 int currentLineNo() const { return yylineno; }
 int currentColumnNo() const { return yycolumn; }
 int startLineNo() const { return startlineno; }
 int startColumnNo() const { return startcolumn; }
 { return err; }
 void clearError()
 { err = NoError; }
 private:
+QString yyfilename;
 int yylineno;
 bool done;
 char *buffer8;
 QChar *buffer16;
 uint size8, size16;
 int findReservedWord(const QChar *buffer, int size) const;
 void syncProhibitAutomaticSemicolon();
+void processComment(const QChar *, int);
 const QChar *code;
 uint length;
 int yycolumn;
 int startlineno;
 int startcolumn;
 bool check_reserved;
 ParenthesesState parenthesesState;
 int parenthesesCount;
 bool prohibitAutomaticSemicolon;
+CommentProcessor *commentProcessor;
 };
 } // namespace QScript
 extern double qstrtod(const char *s00, char const **se, bool *ok);
 return result;
 }
 } // namespace QScript
-QScript::Lexer::Lexer()
+QScript::Lexer::Lexer(QScript::CommentProcessor *proc)
 :
 yylineno(0),
 size8(128), size16(128), restrKeyword(false),
 stackToken(-1), pos(0),
 code(0), length(0),
 bol(true),
 current(0), next1(0), next2(0), next3(0),
 err(NoError),
 check_reserved(true),
 parenthesesState(IgnoreParentheses),
-prohibitAutomaticSemicolon(false)
+prohibitAutomaticSemicolon(false),
+commentProcessor(proc)
 {
 // allocate space for read buffers
 buffer8 = new char[size8];
 buffer16 = new QChar[size16];
 flags = 0;
 {
 delete [] buffer8;
 delete [] buffer16;
 }
-void QScript::Lexer::setCode(const QString &c, int lineno)
+void QScript::Lexer::setCode(const QString &c, const QString &fileName, int lineno)
 {
 errmsg = QString();
+yyfilename = fileName;
 yylineno = lineno;
 yycolumn = 1;
 restrKeyword = false;
 delimited = false;
 stackToken = -1;
 if (isWhiteSpace()) {
 // do nothing
 } else if (current == '/' && next1 == '/') {
 recordStartPos();
 shift(1);
+Q_ASSERT(pos16 == 0);
 state = InSingleLineComment;
 } else if (current == '/' && next1 == '*') {
 recordStartPos();
 shift(1);
+Q_ASSERT(pos16 == 0);
 state = InMultiLineComment;
 } else if (current == 0) {
 syncProhibitAutomaticSemicolon();
 if (!terminator && !delimited && !prohibitAutomaticSemicolon) {
 // automatic semicolon insertion if program incomplete
 setDone(Other);
 }
 else {
 setDone(Bad);
 err = IllegalCharacter;
-errmsg = QLatin1String("Illegal character");
+errmsg = LU::tr("Illegal character");
 }
 }
 break;
 case InString:
 if (current == stringType) {
 shift(1);
 setDone(String);
 } else if (current == 0 || isLineTerminator()) {
 setDone(Bad);
 err = UnclosedStringLiteral;
-errmsg = QLatin1String("Unclosed string at end of line");
+errmsg = LU::tr("Unclosed string at end of line");
 } else if (current == '\\') {
 state = InEscapeSequence;
 } else {
 record16(current);
 }
 record16(convertOctal('0', '0', current));
 state = InString;
 } else {
 setDone(Bad);
 err = IllegalEscapeSequence;
-errmsg = QLatin1String("Illegal escape squence");
+errmsg = LU::tr("Illegal escape squence");
 }
 } else if (current == 'x')
 state = InHexEscape;
 else if (current == 'u')
 state = InUnicodeEscape;
 shift(1);
 setDone(String);
 } else {
 setDone(Bad);
 err = IllegalUnicodeEscapeSequence;
-errmsg = QLatin1String("Illegal unicode escape sequence");
+errmsg = LU::tr("Illegal unicode escape sequence");
 }
 break;
 case InSingleLineComment:
 if (isLineTerminator()) {
+record16(current); // include newline
+processComment(buffer16, pos16);
 shiftWindowsLineBreak();
 yylineno++;
 yycolumn = 0;
+pos16 = 0;
 terminator = true;
 bol = true;
 if (restrKeyword) {
 token = QScriptGrammar::T_SEMICOLON;
 setDone(Other);
 } else
 state = Start;
 } else if (current == 0) {
 setDone(Eof);
+} else {
+record16(current);
 }
 break;
 case InMultiLineComment:
 if (current == 0) {
 setDone(Bad);
 err = UnclosedComment;
-errmsg = QLatin1String("Unclosed comment at end of file");
+errmsg = LU::tr("Unclosed comment at end of file");
 } else if (isLineTerminator()) {
 shiftWindowsLineBreak();
 yylineno++;
 } else if (current == '*' && next1 == '/') {
+processComment(buffer16, pos16);
+pos16 = 0;
 state = Start;
 shift(1);
+} else {
+record16(current);
 }
 break;
 case InIdentifier:
 if (isIdentLetter(current) || isDecimalDigit(current)) {
 record16(current);
 record8(current);
 state = InExponent;
 } else {
 setDone(Bad);
 err = IllegalExponentIndicator;
-errmsg = QLatin1String("Illegal syntax for exponential number");
+errmsg = LU::tr("Illegal syntax for exponential number");
 }
 break;
 case InExponent:
 if (isDecimalDigit(current)) {
 record8(current);
 // no identifiers allowed directly after numeric literal, e.g. "3in" is bad
 if ((state == Number || state == Octal || state == Hex)
 && isIdentLetter(current)) {
 state = Bad;
 err = IllegalIdentifier;
-errmsg = QLatin1String("Identifier cannot start with numeric literal");
+errmsg = LU::tr("Identifier cannot start with numeric literal");
 }
 // terminate string
 buffer8[pos8] = '\0';
 if (prefix == EqualPrefix)
 record16(QLatin1Char('='));
 while (1) {
 if (isLineTerminator() || current == 0) {
-errmsg = QLatin1String("Unterminated regular expression literal");
+errmsg = LU::tr("Unterminated regular expression literal");
 return false;
 }
 else if (current != '/' || lastWasEscape == true)
 {
 record16(current);
 } else {
 prohibitAutomaticSemicolon = false;
 }
 }
+void QScript::Lexer::processComment(const QChar *chars, int length)
+{
+commentProcessor->processComment(chars, length);
+}
 class Translator;
-class QScriptParser: protected $table
+class QScriptParser: protected $table, public QScript::CommentProcessor
 {
 public:
 QVariant val;
 struct Location {
 public:
 QScriptParser();
 ~QScriptParser();
-bool parse(QScript::Lexer *lexer,
+void setLexer(QScript::Lexer *);
-const QString &fileName,
-Translator *translator);
+bool parse(Translator *translator);
+QString fileName() const
+{ return lexer->fileName(); }
 inline QString errorMessage() const
 { return error_message; }
 inline int errorLineNumber() const
 { return error_lineno; }
 inline int errorColumnNumber() const
 inline QVariant &sym(int index)
 { return sym_stack [tos + index - 1]; }
 inline Location &loc(int index)
 { return location_stack [tos + index - 2]; }
+std::ostream &yyMsg(int line = 0);
+virtual void processComment(const QChar *, int);
 protected:
 int tos;
 int stack_size;
 QVector<QVariant> sym_stack;
 int *state_stack;
 Location *location_stack;
 QString error_message;
 int error_lineno;
 int error_column;
+private:
+QScript::Lexer *lexer;
+QString extracomment;
+QString msgid;
+QString sourcetext;
+TranslatorMessage::ExtraData extra;
 };
 inline void QScriptParser::reallocateStack()
 {
 if (! stack_size)
 QScriptParser::QScriptParser():
 tos(0),
 stack_size(0),
 sym_stack(0),
 state_stack(0),
-location_stack(0)
+location_stack(0),
+lexer(0)
 {
 }
 QScriptParser::~QScriptParser()
 {
 loc.endLine = lexer->endLineNo();
 loc.endColumn = lexer->endColumnNo();
 return loc;
 }
-bool QScriptParser::parse(QScript::Lexer *lexer,
+void QScriptParser::setLexer(QScript::Lexer *lex)
-const QString &fileName,
+{
-	            Translator *translator)
+lexer = lex;
-{
+}
+bool QScriptParser::parse(Translator *translator)
+{
+Q_ASSERT(lexer != 0);
 const int INITIAL_STATE = 0;
 int yytoken = -1;
 int saved_yytoken = -1;
 int identLineNo = -1;
 CallExpression: MemberExpression Arguments ;
 /.
 case $rule_number: {
 QString name = sym(1).toString();
 if ((name == QLatin1String("qsTranslate")) || (name == QLatin1String("QT_TRANSLATE_NOOP"))) {
+if (!sourcetext.isEmpty())
+yyMsg(identLineNo) << qPrintable(LU::tr("//% cannot be used with %1(). Ignoring\n").arg(name));
 QVariantList args = sym(2).toList();
 if (args.size() < 2) {
-std::cerr << qPrintable(fileName) << ':' << identLineNo << ": "
+yyMsg(identLineNo) << qPrintable(LU::tr("%1() requires at least two arguments.\n").arg(name));
-<< qPrintable(name) << "() requires at least two arguments.\n";
 } else {
 if ((args.at(0).type() != QVariant::String)
 || (args.at(1).type() != QVariant::String)) {
-std::cerr << qPrintable(fileName) << ':' << identLineNo << ": "
+yyMsg(identLineNo) << qPrintable(LU::tr("%1(): both arguments must be literal strings.\n").arg(name));
-<< qPrintable(name) << "(): both arguments must be literal strings.\n";
 } else {
 QString context = args.at(0).toString();
 QString text = args.at(1).toString();
 QString comment = args.value(2).toString();
-QString extracomment;
 bool plural = (args.size() > 4);
 recordMessage(translator, context, text, comment, extracomment,
-plural, fileName, identLineNo);
+msgid, extra, plural, fileName(), identLineNo);
 }
 }
+sourcetext.clear();
+extracomment.clear();
+msgid.clear();
+extra.clear();
 } else if ((name == QLatin1String("qsTr")) || (name == QLatin1String("QT_TR_NOOP"))) {
+if (!sourcetext.isEmpty())
+yyMsg(identLineNo) << qPrintable(LU::tr("//% cannot be used with %1(). Ignoring\n").arg(name));
 QVariantList args = sym(2).toList();
 if (args.size() < 1) {
-std::cerr << qPrintable(fileName) << ':' << identLineNo << ": "
+yyMsg(identLineNo) << qPrintable(LU::tr("%1() requires at least one argument.\n").arg(name));
-<< qPrintable(name) << "() requires at least one argument.\n";
 } else {
 if (args.at(0).type() != QVariant::String) {
-std::cerr << qPrintable(fileName) << ':' << identLineNo << ": "
+yyMsg(identLineNo) << qPrintable(LU::tr("%1(): text to translate must be a literal string.\n").arg(name));
-<< qPrintable(name) << "(): text to translate must be a literal string.\n";
 } else {
-QString context = QFileInfo(fileName).baseName();
+QString context = QFileInfo(fileName()).baseName();
 QString text = args.at(0).toString();
 QString comment = args.value(1).toString();
-QString extracomment;
 bool plural = (args.size() > 2);
 recordMessage(translator, context, text, comment, extracomment,
-plural, fileName, identLineNo);
+msgid, extra, plural, fileName(), identLineNo);
 }
 }
+sourcetext.clear();
+extracomment.clear();
+msgid.clear();
+extra.clear();
+} else if ((name == QLatin1String("qsTrId")) || (name == QLatin1String("QT_TRID_NOOP"))) {
+if (!msgid.isEmpty())
+yyMsg(identLineNo) << qPrintable(LU::tr("//= cannot be used with %1(). Ignoring\n").arg(name));
+QVariantList args = sym(2).toList();
+if (args.size() < 1) {
+yyMsg(identLineNo) << qPrintable(LU::tr("%1() requires at least one argument.\n").arg(name));
+} else {
+if (args.at(0).type() != QVariant::String) {
+yyMsg(identLineNo) << qPrintable(LU::tr("%1(): identifier must be a literal string.\n").arg(name));
+} else {
+msgid = args.at(0).toString();
+bool plural = (args.size() > 1);
+recordMessage(translator, QString(), sourcetext, QString(), extracomment,
+msgid, extra, plural, fileName(), identLineNo);
+}
+}
+sourcetext.clear();
+extracomment.clear();
+msgid.clear();
+extra.clear();
 }
 } break;
 ./
 CallExpression: CallExpression Arguments ;
 ExpressionNotIn: ExpressionNotIn T_COMMA AssignmentExpressionNotIn ;
 ExpressionNotInOpt: ;
 ExpressionNotInOpt: ExpressionNotIn ;
 Statement: Block ;
+/.
+case $rule_number:
+./
 Statement: VariableStatement ;
+/.
+case $rule_number:
+./
 Statement: EmptyStatement ;
+/.
+case $rule_number:
+./
 Statement: ExpressionStatement ;
+/.
+case $rule_number:
+./
 Statement: IfStatement ;
+/.
+case $rule_number:
+./
 Statement: IterationStatement ;
+/.
+case $rule_number:
+./
 Statement: ContinueStatement ;
+/.
+case $rule_number:
+./
 Statement: BreakStatement ;
+/.
+case $rule_number:
+./
 Statement: ReturnStatement ;
+/.
+case $rule_number:
+./
 Statement: WithStatement ;
+/.
+case $rule_number:
+./
 Statement: LabelledStatement ;
+/.
+case $rule_number:
+./
 Statement: SwitchStatement ;
+/.
+case $rule_number:
+./
 Statement: ThrowStatement ;
+/.
+case $rule_number:
+./
 Statement: TryStatement ;
+/.
+case $rule_number:
+./
 Statement: DebuggerStatement ;
+/.
+case $rule_number:
+if (!sourcetext.isEmpty() || !extracomment.isEmpty() || !msgid.isEmpty() || !extra.isEmpty()) {
+yyMsg() << qPrintable(LU::tr("Discarding unconsumed meta data\n"));
+sourcetext.clear();
+extracomment.clear();
+msgid.clear();
+extra.clear();
+}
+break;
+./
 Block: T_LBRACE StatementListOpt T_RBRACE ;
 StatementList: Statement ;
 StatementList: StatementList Statement ;
 StatementListOpt: ;
 for (int s = 0; s < shifts; ++s)
 {
 if (first)
 error_message += QLatin1String ("Expected ");
+//: Beginning of the string that contains
+//: comma-separated list of expected tokens
+error_message += LU::tr("Expected ");
 else
 error_message += QLatin1String (", ");
 first = false;
 error_message += QLatin1String("`");
 }
 return false;
 }
+std::ostream &QScriptParser::yyMsg(int line)
+{
+return std::cerr << qPrintable(fileName()) << ':' << (line ? line : lexer->startLineNo()) << ": ";
+}
+void QScriptParser::processComment(const QChar *chars, int length)
+{
+if (!length)
+return;
+// Try to match the logic of the C++ parser.
+if (*chars == QLatin1Char(':') && chars[1].isSpace()) {
+extracomment += QString(chars+2, length-2);
+} else if (*chars == QLatin1Char('=') && chars[1].isSpace()) {
+msgid = QString(chars+2, length-2).simplified();
+} else if (*chars == QLatin1Char('~') && chars[1].isSpace()) {
+QString text = QString(chars+2, length-2).trimmed();
+int k = text.indexOf(QLatin1Char(' '));
+if (k > -1)
+extra.insert(text.left(k), text.mid(k + 1).trimmed());
+} else if (*chars == QLatin1Char('%') && chars[1].isSpace()) {
+sourcetext.reserve(sourcetext.length() + length-2);
+ushort *ptr = (ushort *)sourcetext.data() + sourcetext.length();
+int p = 2, c;
+forever {
+if (p >= length)
+break;
+c = chars[p++].unicode();
+if (isspace(c))
+continue;
+if (c != '"') {
+yyMsg() << qPrintable(LU::tr("Unexpected character in meta string\n"));
+break;
+}
+forever {
+if (p >= length) {
+whoops:
+yyMsg() << qPrintable(LU::tr("Unterminated meta string\n"));
+break;
+}
+c = chars[p++].unicode();
+if (c == '"')
+break;
+if (c == '\\') {
+if (p >= length)
+goto whoops;
+c = chars[p++].unicode();
+if (c == '\n')
+goto whoops;
+*ptr++ = '\\';
+}
+*ptr++ = c;
+}
+}
+sourcetext.resize(ptr - (ushort *)sourcetext.data());
+}
+}
 bool loadQScript(Translator &translator, const QString &filename, ConversionData &cd)
 {
 QFile file(filename);
 if (!file.open(QIODevice::ReadOnly)) {
-cd.appendError(QString::fromLatin1("Cannot open %1: %2")
+cd.appendError(LU::tr("Cannot open %1: %2").arg(filename, file.errorString()));
-.arg(filename, file.errorString()));
 return false;
 }
 QTextStream ts(&file);
 QByteArray codecName;
 if (!cd.m_codecForSource.isEmpty())
 codecName = translator.codecName(); // Just because it should be latin1 already
 ts.setCodec(QTextCodec::codecForName(codecName));
 ts.setAutoDetectUnicode(true);
 QString code = ts.readAll();
-QScript::Lexer lexer;
-lexer.setCode(code, /*lineNumber=*/1);
 QScriptParser parser;
-if (!parser.parse(&lexer, filename, &translator)) {
+QScript::Lexer lexer(&parser);
+lexer.setCode(code, filename, /*lineNumber=*/1);
+parser.setLexer(&lexer);
+if (!parser.parse(&translator)) {
 std::cerr << qPrintable(filename) << ':' << parser.errorLineNumber() << ": "
 << qPrintable(parser.errorMessage()) << std::endl;
 return false;
 }

changeset 37	758a864f9613
parent 33	3e2da88830cd