Fixed #4897 (callStackToString is not available when using custom message template)

cli/cmdlineparser.cpp

@@ -895,7 +895,8 @@ void CmdLineParser::PrintHelp()
               "                         is in the same format as <spec> above.\n"
               "    --template='<text>'  Format the error messages. E.g.\n"
               "                         '{file}:{line},{severity},{id},{message}' or\n"
-              "                         '{file}({line}):({severity}) {message}'\n"
+              "                         '{file}({line}):({severity}) {message}' or\n"
+              "                         '{callstack} {message}'\n"
               "                         Pre-defined templates: gcc, vs, edit.\n"
               "    -v, --verbose        Output more detailed error information.\n"
               "    --version            Print out version number.\n"

lib/errorlogger.cpp

@@ -309,6 +309,7 @@ std::string ErrorLogger::ErrorMessage::toString(bool verbose, const std::string
         findAndReplace(result, "{id}", _id);
         findAndReplace(result, "{severity}", Severity::toString(_severity));
         findAndReplace(result, "{message}", verbose ? _verboseMessage : _shortMessage);
+        findAndReplace(result, "{callstack}", _callStack.empty() ? "" : callStackToString(_callStack));
         if (!_callStack.empty()) {
             std::ostringstream oss;
             oss << _callStack.back().line;

man/manual.docbook

@@ -442,6 +442,34 @@ gui/test.cpp:16: error: Mismatching allocation and deallocation: k</programlisti
 gui/test.cpp,31,error,memleak,Memory leak: b
 gui/test.cpp,16,error,mismatchAllocDealloc,Mismatching allocation and deallocation: k</programlisting>
 
+ <para>The following format specifiers are supported:</para>
+      <variablelist>
+	<varlistentry>
+          <term>callstack</term>
+          <listitem>callstack - if available</listitem>
+        </varlistentry>
+        <varlistentry>
+          <term>file</term>
+          <listitem>filename</listitem>
+        </varlistentry>
+	<varlistentry>
+          <term>id</term>
+          <listitem>message id</listitem>
+        </varlistentry>
+	<varlistentry>
+          <term>line</term>
+          <listitem>line number</listitem>
+        </varlistentry>
+	<varlistentry>
+          <term>message</term>
+          <listitem>verbose message text</listitem>
+        </varlistentry>
+	<varlistentry>
+          <term>severity</term>
+          <listitem>severity</listitem>
+        </varlistentry>
+      </variablelist>
+
     <para>The escape sequences \b (backspace), \n (newline), \r (formfeed) and
     \t (horizontal tab) are supported.</para>
   </chapter>