CPlusPlus: Add toLink method to the Symbol

Basically move it from CppTools to CPlusPlus
to be able to use it there.

Change-Id: I0af80f93bdc029824397ceafdf940cb86c4382b0
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@qt.io>

src/libs/3rdparty/cplusplus/Symbol.cpp

@@ -32,6 +32,7 @@
 
 #include "cppassert.h"
 
+#include <utils/link.h>
 
 using namespace CPlusPlus;
 
@@ -435,3 +436,19 @@ void Symbol::copy(Symbol *other)
     _isGenerated = other->_isGenerated;
     _isDeprecated = other->_isDeprecated;
 }
+
+Utils::Link Symbol::toLink() const
+{
+    const QString filename = QString::fromUtf8(fileName(), static_cast<int>(fileNameLength()));
+
+    int line = static_cast<int>(this->line());
+    int column = static_cast<int>(this->column());
+
+    if (column)
+        --column;
+
+    if (isGenerated())
+        column = 0;
+
+    return Utils::Link(filename, line, column);
+}

src/libs/3rdparty/cplusplus/Symbol.h

@@ -22,6 +22,7 @@
 
 #include "CPlusPlusForwardDeclarations.h"
 
+namespace Utils { struct Link; }
 
 namespace CPlusPlus {
 
@@ -197,6 +198,8 @@ public:
     /// Returns true if this Symbol is an Objective-C @property declaration.
     bool isObjCPropertyDeclaration() const;
 
+    Utils::Link toLink() const;
+
     virtual const Scope *asScope() const { return 0; }
     virtual const Enum *asEnum() const { return 0; }
     virtual const Function *asFunction() const { return 0; }