make messages from dynamic code tell a useful location

"(eval)" does not exactly help to find the error source.

Change-Id: Iecd03e6a4909ca6d7eab846844ca4415ebfa3429
Reviewed-by: Daniel Teske <daniel.teske@nokia.com>

src/plugins/qtsupport/profilereader.cpp

@@ -40,8 +40,10 @@ using namespace QtSupport;
 
 static QString format(const QString &fileName, int lineNo, const QString &msg)
 {
-    if (lineNo)
+    if (lineNo > 0)
         return QString::fromLatin1("%1(%2): %3").arg(fileName, QString::number(lineNo), msg);
+    else if (lineNo)
+        return QString::fromLatin1("%1: %3").arg(fileName, msg);
     else
         return msg;
 }

src/shared/proparser/qmakebuiltins.cpp

@@ -1160,8 +1160,8 @@ QMakeEvaluator::VisitReturn QMakeEvaluator::evaluateConditionalFunction(
 #endif
     case T_EVAL: {
             VisitReturn ret = ReturnFalse;
-            ProFile *pro = m_parser->parsedProBlock(fL1S("(eval)"),
+            ProFile *pro = m_parser->parsedProBlock(args.join(statics.field_sep),
-                                                    args.join(statics.field_sep));
+                                                    m_current.pro->fileName(), m_current.line);
             if (pro) {
                 if (m_cumulative || pro->isOk()) {
                     m_locationStack.push(m_current);
@@ -1192,7 +1192,8 @@ QMakeEvaluator::VisitReturn QMakeEvaluator::evaluateConditionalFunction(
             evalError(fL1S("if(condition) requires one argument."));
             return ReturnFalse;
         }
-        return returnBool(evaluateConditional(args.at(0).toQString(), fL1S("(if)")));
+        return returnBool(evaluateConditional(args.at(0).toQString(),
+                                              m_current.pro->fileName(), m_current.line));
     }
     case T_CONFIG: {
         if (args.count() < 1 || args.count() > 2) {

src/shared/proparser/qmakeevaluator.cpp

@@ -1200,7 +1200,7 @@ void QMakeEvaluator::setupProject()
 void QMakeEvaluator::visitCmdLine(const QString &cmds)
 {
     if (!cmds.isEmpty()) {
-        if (ProFile *pro = m_parser->parsedProBlock(fL1S("(command line)"), cmds)) {
+        if (ProFile *pro = m_parser->parsedProBlock(cmds, fL1S("(command line)"), -1)) {
             if (pro->isOk()) {
                 m_locationStack.push(m_current);
                 visitProBlock(pro, pro->tokPtr());
@@ -1591,10 +1591,10 @@ QMakeEvaluator::VisitReturn QMakeEvaluator::evaluateBoolFunction(
     return ReturnFalse;
 }
 
-bool QMakeEvaluator::evaluateConditional(const QString &cond, const QString &context)
+bool QMakeEvaluator::evaluateConditional(const QString &cond, const QString &where, int line)
 {
     bool ret = false;
-    ProFile *pro = m_parser->parsedProBlock(context, cond, QMakeParser::TestGrammar);
+    ProFile *pro = m_parser->parsedProBlock(cond, where, line, QMakeParser::TestGrammar);
     if (pro) {
         if (pro->isOk()) {
             m_locationStack.push(m_current);
@@ -1611,7 +1611,7 @@ void QMakeEvaluator::checkRequirements(const ProStringList &deps)
 {
     ProStringList &failed = valuesRef(ProKey("QMAKE_FAILED_REQUIREMENTS"));
     foreach (const ProString &dep, deps)
-        if (!evaluateConditional(dep.toQString(), fL1S("(requires)")))
+        if (!evaluateConditional(dep.toQString(), m_current.pro->fileName(), m_current.line))
             failed << dep;
 }
 #endif

src/shared/proparser/qmakeevaluator.h

@@ -172,7 +172,7 @@ public:
     ProStringList evaluateExpandFunction(const ProKey &function, const ushort *&tokPtr);
     VisitReturn evaluateConditionalFunction(const ProKey &function, const ushort *&tokPtr);
 
-    bool evaluateConditional(const QString &cond, const QString &context);
+    bool evaluateConditional(const QString &cond, const QString &where, int line = -1);
 #ifdef PROEVALUATOR_FULL
     void checkRequirements(const ProStringList &deps);
 #endif

src/shared/proparser/qmakeparser.cpp

@@ -194,10 +194,11 @@ ProFile *QMakeParser::parsedProFile(const QString &fileName, bool cache)
     return pro;
 }
 
-ProFile *QMakeParser::parsedProBlock(const QString &name, const QString &contents, SubGrammar grammar)
+ProFile *QMakeParser::parsedProBlock(
+        const QString &contents, const QString &name, int line, SubGrammar grammar)
 {
     ProFile *pro = new ProFile(name);
-    if (!read(pro, contents, grammar)) {
+    if (!read(pro, contents, line, grammar)) {
         delete pro;
         pro = 0;
     }
@@ -224,7 +225,7 @@ bool QMakeParser::read(ProFile *pro)
     QString content(QString::fromLocal8Bit(bcont));
     bcont.clear();
     file.close();
-    return read(pro, content, FullGrammar);
+    return read(pro, content, 1, FullGrammar);
 }
 
 void QMakeParser::putTok(ushort *&tokPtr, ushort tok)
@@ -264,10 +265,10 @@ void QMakeParser::finalizeHashStr(ushort *buf, uint len)
     buf[-2] = (ushort)(hash >> 16);
 }
 
-bool QMakeParser::read(ProFile *pro, const QString &in, SubGrammar grammar)
+bool QMakeParser::read(ProFile *pro, const QString &in, int line, SubGrammar grammar)
 {
     m_proFile = pro;
-    m_lineNo = 1;
+    m_lineNo = line;
 
     // Final precompiled token stream buffer
     QString tokBuff;

src/shared/proparser/qmakeparser.h

@@ -79,7 +79,7 @@ public:
     enum SubGrammar { FullGrammar, TestGrammar };
     // fileName is expected to be absolute and cleanPath()ed.
     ProFile *parsedProFile(const QString &fileName, bool cache = false);
-    ProFile *parsedProBlock(const QString &name, const QString &contents,
+    ProFile *parsedProBlock(const QString &contents, const QString &name, int line = 0,
                             SubGrammar grammar = FullGrammar);
 
 private:
@@ -109,7 +109,7 @@ private:
     };
 
     bool read(ProFile *pro);
-    bool read(ProFile *pro, const QString &content, SubGrammar grammar);
+    bool read(ProFile *pro, const QString &content, int line, SubGrammar grammar);
 
     ALWAYS_INLINE void putTok(ushort *&tokPtr, ushort tok);
     ALWAYS_INLINE void putBlockLen(ushort *&tokPtr, uint len);

tests/auto/profilewriter/tst_profilewriter.cpp

@@ -39,8 +39,10 @@
 
 static void print(const QString &fileName, int lineNo, const QString &msg)
 {
-    if (lineNo)
+    if (lineNo > 0)
         qWarning("%s(%d): %s", qPrintable(fileName), lineNo, qPrintable(msg));
+    else if (lineNo)
+        qWarning("%s: %s", qPrintable(fileName), qPrintable(msg));
     else
         qWarning("%s", qPrintable(msg));
 }

tests/manual/proparser/main.cpp

@@ -47,8 +47,10 @@ static void print(const QString &fileName, int lineNo, int type, const QString &
 {
     QString pfx = ((type & QMakeHandler::CategoryMask) == QMakeHandler::WarningMessage)
                   ? QString::fromLatin1("WARNING: ") : QString();
-    if (lineNo)
+    if (lineNo > 0)
         qWarning("%s%s:%d: %s", qPrintable(pfx), qPrintable(fileName), lineNo, qPrintable(msg));
+    else if (lineNo)
+        qWarning("%s%s: %s", qPrintable(pfx), qPrintable(fileName), qPrintable(msg));
     else
         qWarning("%s%s", qPrintable(pfx), qPrintable(msg));
 }