don't let operator overloads confuse us

Task-number: QTBUG-11426

3 files changed, 39 insertions, 0 deletions

diff --git a/tests/auto/linguist/lupdate/testdata/good/parsecpp/main.cpp b/tests/auto/linguist/lupdate/testdata/good/parsecpp/main.cpp
index f58f932..c56ba7c 100644
--- a/tests/auto/linguist/lupdate/testdata/good/parsecpp/main.cpp
+++ b/tests/auto/linguist/lupdate/testdata/good/parsecpp/main.cpp
@@ -302,3 +302,19 @@ static inline QString message2()
 }
 
 }
+
+
+
+// QTBUG-11426: operator overloads
+class LotsaFun : public QObject
+{
+    Q_OBJECT
+public:
+    int operator<<(int left, int right);
+};
+
+int LotsaFun::operator<<(int left, int right)
+{
+    tr("this is inside operator<<");
+    return left << right;
+}
diff --git a/tests/auto/linguist/lupdate/testdata/good/parsecpp/project.ts.result b/tests/auto/linguist/lupdate/testdata/good/parsecpp/project.ts.result
index 7ac318e..1a6d551 100644
--- a/tests/auto/linguist/lupdate/testdata/good/parsecpp/project.ts.result
+++ b/tests/auto/linguist/lupdate/testdata/good/parsecpp/project.ts.result
@@ -141,6 +141,14 @@ backslashed \ stuff.</source>
     </message>
 </context>
 <context>
+    <name>LotsaFun</name>
+    <message>
+        <location filename="main.cpp" line="318"/>
+        <source>this is inside operator&lt;&lt;</source>
+        <translation type="unfinished"></translation>
+    </message>
+</context>
+<context>
     <name>Plurals, QCoreApplication</name>
     <message numerus="yes">
         <location filename="main.cpp" line="81"/>
diff --git a/tools/linguist/lupdate/cpp.cpp b/tools/linguist/lupdate/cpp.cpp
index 970d44b..009d5a7 100644
--- a/tools/linguist/lupdate/cpp.cpp
+++ b/tools/linguist/lupdate/cpp.cpp
@@ -489,6 +489,7 @@ STRING(class);
 STRING(findMessage);
 STRING(friend);
 STRING(namespace);
+STRING(operator);
 STRING(qtTrId);
 STRING(return);
 STRING(struct);
@@ -753,6 +754,20 @@ uint CppParser::getToken()
                 if (yyWord == strnamespace)
                     return Tok_namespace;
                 break;
+            case 'o':
+                if (yyWord == stroperator) {
+                    // Operator overload declaration/definition.
+                    // We need to prevent those characters from confusing the followup
+                    // parsing. Actually using them does not add value, so just eat them.
+                    while (isspace(yyCh))
+                       yyCh = getChar();
+                    while (yyCh == '+' || yyCh == '-' || yyCh == '*' || yyCh == '/' || yyCh == '%'
+                           || yyCh == '=' || yyCh == '<' || yyCh == '>' || yyCh == '!'
+                           || yyCh == '&' || yyCh == '|' || yyCh == '~' || yyCh == '^'
+                           || yyCh == '[' || yyCh == ']')
+                        yyCh = getChar();
+                }
+                break;
             case 'q':
                 if (yyWord == strqtTrId)
                     return Tok_trid;