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-rw-r--r--tools/linguist/lupdate/cpp.cpp97
1 files changed, 70 insertions, 27 deletions
diff --git a/tools/linguist/lupdate/cpp.cpp b/tools/linguist/lupdate/cpp.cpp
index 2d5620e..db4bbca 100644
--- a/tools/linguist/lupdate/cpp.cpp
+++ b/tools/linguist/lupdate/cpp.cpp
@@ -65,47 +65,44 @@ static QString MagicComment(QLatin1String("TRANSLATOR"));
class HashString {
public:
- HashString() : m_hashed(false) {}
- explicit HashString(const QString &str) : m_str(str), m_hashed(false) {}
- void setValue(const QString &str) { m_str = str; m_hashed = false; }
+ HashString() : m_hash(0x80000000) {}
+ explicit HashString(const QString &str) : m_str(str), m_hash(0x80000000) {}
+ void setValue(const QString &str) { m_str = str; m_hash = 0x80000000; }
const QString &value() const { return m_str; }
bool operator==(const HashString &other) const { return m_str == other.m_str; }
private:
QString m_str;
+ // qHash() of a QString is only 28 bits wide, so we can use
+ // the highest bit(s) as the "hash valid" flag.
mutable uint m_hash;
- mutable bool m_hashed;
friend uint qHash(const HashString &str);
};
uint qHash(const HashString &str)
{
- if (!str.m_hashed) {
- str.m_hashed = true;
+ if (str.m_hash & 0x80000000)
str.m_hash = qHash(str.m_str);
- }
return str.m_hash;
}
class HashStringList {
public:
- explicit HashStringList(const QList<HashString> &list) : m_list(list), m_hashed(false) {}
+ explicit HashStringList(const QList<HashString> &list) : m_list(list), m_hash(0x80000000) {}
const QList<HashString> &value() const { return m_list; }
bool operator==(const HashStringList &other) const { return m_list == other.m_list; }
private:
QList<HashString> m_list;
mutable uint m_hash;
- mutable bool m_hashed;
friend uint qHash(const HashStringList &list);
};
uint qHash(const HashStringList &list)
{
- if (!list.m_hashed) {
- list.m_hashed = true;
+ if (list.m_hash & 0x80000000) {
uint hash = 0;
foreach (const HashString &qs, list.m_list) {
- hash ^= qHash(qs) ^ 0xa09df22f;
- hash = (hash << 13) | (hash >> 19);
+ hash ^= qHash(qs) ^ 0x0ad9f526;
+ hash = ((hash << 13) & 0x0fffffff) | (hash >> 15);
}
list.m_hash = hash;
}
@@ -215,13 +212,15 @@ public:
private:
struct IfdefState {
IfdefState() {}
- IfdefState(int _braceDepth, int _parenDepth) :
+ IfdefState(int _bracketDepth, int _braceDepth, int _parenDepth) :
+ bracketDepth(_bracketDepth),
braceDepth(_braceDepth),
parenDepth(_parenDepth),
elseLine(-1)
{}
SavedState state;
+ int bracketDepth, bracketDepth1st;
int braceDepth, braceDepth1st;
int parenDepth, parenDepth1st;
int elseLine;
@@ -280,14 +279,14 @@ private:
enum {
Tok_Eof, Tok_class, Tok_friend, Tok_namespace, Tok_using, Tok_return,
- Tok_tr = 10, Tok_trUtf8, Tok_translate, Tok_translateUtf8, Tok_trid,
- Tok_Q_OBJECT = 20, Tok_Q_DECLARE_TR_FUNCTIONS,
+ Tok_tr, Tok_trUtf8, Tok_translate, Tok_translateUtf8, Tok_trid,
+ Tok_Q_OBJECT, 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_Null = 40, Tok_Integer,
- Tok_QuotedInclude = 50, Tok_AngledInclude,
- Tok_Other = 99
+ Tok_Equals, Tok_LeftBracket, Tok_RightBracket,
+ Tok_LeftBrace, Tok_RightBrace, Tok_LeftParen, Tok_RightParen, Tok_Comma, Tok_Semicolon,
+ Tok_Null, Tok_Integer,
+ Tok_QuotedInclude, Tok_AngledInclude,
+ Tok_Other
};
// Tokenizer state
@@ -299,10 +298,12 @@ private:
QString yyWord;
qlonglong yyInteger;
QStack<IfdefState> yyIfdefStack;
+ int yyBracketDepth;
int yyBraceDepth;
int yyParenDepth;
int yyLineNo;
int yyCurLineNo;
+ int yyBracketLineNo;
int yyBraceLineNo;
int yyParenLineNo;
@@ -339,9 +340,11 @@ CppParser::CppParser(ParseResults *_results)
results = new ParseResults;
directInclude = false;
}
+ yyBracketDepth = 0;
yyBraceDepth = 0;
yyParenDepth = 0;
yyCurLineNo = 1;
+ yyBracketLineNo = 1;
yyBraceLineNo = 1;
yyParenLineNo = 1;
yyAtNewline = true;
@@ -568,7 +571,7 @@ uint CppParser::getToken()
yyCh = getChar();
if (yyCh == 'f') {
// if, ifdef, ifndef
- yyIfdefStack.push(IfdefState(yyBraceDepth, yyParenDepth));
+ yyIfdefStack.push(IfdefState(yyBracketDepth, yyBraceDepth, yyParenDepth));
yyCh = getChar();
} else if (yyCh == 'n') {
// include
@@ -607,16 +610,20 @@ uint CppParser::getToken()
if (!yyIfdefStack.isEmpty()) {
IfdefState &is = yyIfdefStack.top();
if (is.elseLine != -1) {
- if (yyBraceDepth != is.braceDepth1st || yyParenDepth != is.parenDepth1st)
- qWarning("%s:%d: Parenthesis/brace mismatch between "
+ if (yyBracketDepth != is.bracketDepth1st
+ || yyBraceDepth != is.braceDepth1st
+ || yyParenDepth != is.parenDepth1st)
+ qWarning("%s:%d: Parenthesis/bracket/brace mismatch between "
"#if and #else branches; using #if branch\n",
qPrintable(yyFileName), is.elseLine);
} else {
+ is.bracketDepth1st = yyBracketDepth;
is.braceDepth1st = yyBraceDepth;
is.parenDepth1st = yyParenDepth;
saveState(&is.state);
}
is.elseLine = yyLineNo;
+ yyBracketDepth = is.bracketDepth;
yyBraceDepth = is.braceDepth;
yyParenDepth = is.parenDepth;
}
@@ -626,10 +633,13 @@ uint CppParser::getToken()
if (!yyIfdefStack.isEmpty()) {
IfdefState is = yyIfdefStack.pop();
if (is.elseLine != -1) {
- if (yyBraceDepth != is.braceDepth1st || yyParenDepth != is.parenDepth1st)
+ if (yyBracketDepth != is.bracketDepth1st
+ || yyBraceDepth != is.braceDepth1st
+ || yyParenDepth != is.parenDepth1st)
qWarning("%s:%d: Parenthesis/brace mismatch between "
"#if and #else branches; using #if branch\n",
qPrintable(yyFileName), is.elseLine);
+ yyBracketDepth = is.bracketDepth1st;
yyBraceDepth = is.braceDepth1st;
yyParenDepth = is.parenDepth1st;
loadState(&is.state);
@@ -902,6 +912,21 @@ uint CppParser::getToken()
yyParenDepth--;
yyCh = getChar();
return Tok_RightParen;
+ case '[':
+ if (yyBracketDepth == 0)
+ yyBracketLineNo = yyCurLineNo;
+ yyBracketDepth++;
+ yyCh = getChar();
+ return Tok_LeftBracket;
+ case ']':
+ if (yyBracketDepth == 0)
+ qWarning("%s:%d: Excess closing bracket in C++ code"
+ " (or abuse of the C++ preprocessor)\n",
+ qPrintable(yyFileName), yyCurLineNo);
+ else
+ yyBracketDepth--;
+ yyCh = getChar();
+ return Tok_RightBracket;
case ',':
yyCh = getChar();
return Tok_Comma;
@@ -1537,6 +1562,12 @@ void CppParser::parseInternal(ConversionData &cd, QSet<QString> &inclusions)
yyCh = getChar();
yyTok = getToken();
while (yyTok != Tok_Eof) {
+ // these are array indexing operations. we ignore them entirely
+ // so they don't confuse our scoping of static initializers.
+ // we enter the loop by either reading a left bracket or by an
+ // #else popping the state.
+ while (yyBracketDepth)
+ yyTok = getToken();
//qDebug() << "TOKEN: " << yyTok;
switch (yyTok) {
case Tok_QuotedInclude: {
@@ -2004,9 +2035,14 @@ void CppParser::parseInternal(ConversionData &cd, QSet<QString> &inclusions)
} else {
context = comment.left(k);
comment.remove(0, k + 1);
- recordMessage(yyLineNo, context, QString(), comment, extracomment,
- QString(), TranslatorMessage::ExtraData(), false, false);
+ TranslatorMessage msg(
+ transcode(context, false), QString(),
+ transcode(comment, false), QString(),
+ yyFileName, yyLineNo, QStringList(),
+ TranslatorMessage::Finished, false);
+ msg.setExtraComment(transcode(extracomment.simplified(), false));
extracomment.clear();
+ tor->append(msg);
tor->setExtras(extra);
extra.clear();
}
@@ -2077,6 +2113,9 @@ void CppParser::parseInternal(ConversionData &cd, QSet<QString> &inclusions)
default:
if (!yyParenDepth)
prospectiveContext.clear();
+ // fallthrough
+ case Tok_Equals: // for static initializers; other cases make no difference
+ case Tok_RightBracket: // ignoring indexing; same reason
case_default:
yyTok = getToken();
break;
@@ -2091,6 +2130,10 @@ void CppParser::parseInternal(ConversionData &cd, QSet<QString> &inclusions)
qWarning("%s:%d: Unbalanced opening parenthesis in C++ code"
" (or abuse of the C++ preprocessor)\n",
qPrintable(yyFileName), yyParenLineNo);
+ else if (yyBracketDepth != 0)
+ qWarning("%s:%d: Unbalanced opening bracket in C++ code"
+ " (or abuse of the C++ preprocessor)\n",
+ qPrintable(yyFileName), yyBracketLineNo);
}
const ParseResults *CppParser::recordResults(bool isHeader)
generated by cgit v0.12 at 2024-11-29 11:49:54 (GMT)