* Update files in src/plugins

Change-Id: Ia5d77fad7d19d4bb3498e78661982f68729adb22
Reviewed-by: Tobias Hunger <tobias.hunger@theqtcompany.com>

...which was least buggy.

The bugs fixed by the changes we revert here (highlighting/completion
for code involving templates) were minor compared to ones we currently
have. Those bugs will be addressed by the clang code model anyway.

Relevant commits were collected via:

  $ cd ${QTC}/src/libs/cplusplus
  $ git log \
   --no-merges \
   --format=oneline \
   v3.4.2..HEAD \
   -- LookupContext.* ResolveExpression.* TypeResolver.* TypeOfExpression.* \
      ../../plugins/cpptools/cppcompletion_test.cpp

From this list the following were skipped due to irrelevance:

  88c5b47e # CppTools: Minor cleanup in completion tests
  e5255a1f # CppTools: Add a test for ObjC not replacing dot with arrow
  5b12c8d6 # CppTools: Support ObjC in member access operator tests
  9fef4fb9 # CPlusPlus: Fix warnings about overriding visit(...) methods

There were only minor conflicts while reverting those.

This changes touches so many files because there were quite some
cleanups and renames after the 3.4.2 release.

Task-number: QTCREATORBUG-14889
Task-number: QTCREATORBUG-15211
Task-number: QTCREATORBUG-15213
Task-number: QTCREATORBUG-15257
Task-number: QTCREATORBUG-15264
Task-number: QTCREATORBUG-15291
Task-number: QTCREATORBUG-15329
Change-Id: I01f759f8f35ecb4228928a4f22086e279c1a5435
Reviewed-by: Marco Bubke <marco.bubke@theqtcompany.com>

Underlying C++ model sometimes marks C++ object instantiation using initializer
as a (forward) function declaration. This leads to incorrect highlighting of
object variables as if they were function calls.

C++ model however marks in this case (and not any other case) such symbols as
ambiguous function types, see CPlusPlus::Bind::visit. This change skips such
ambiguous functions for highlighting as function call.

Also add test case for related bug report.

Task-number: QTCREATORBUG-15212
Change-Id: Ifde8db407f2fa8275a3f991bfa3d3b73eca8c14e
Reviewed-by: Orgad Shaneh <orgads@gmail.com>
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@theqtcompany.com>

Use-case:
template<class T>
using Foo = Bar<T>; // T not highlighted

Task-number: QTCREATORBUG-9944
Change-Id: I04cb62ea6a21f158f7fb4fb7ac79ccd6eb1bbfbb
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@theqtcompany.com>

The last nail for std::unique_ptr (GCC variant, MSVC still doesn't work).

Use-case:
template<typename T>
static T f();

struct Foo { int bar; };

void fun()
{
    decltype(f<Foo>()) s;
    s.bar; // bar not highlighted
}

Task-number: QTCREATORBUG-14483
Task-number: QTCREATORBUG-8937
Change-Id: I5bab757400b070cf9dbb688a44fd8eafe95ddc61
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@theqtcompany.com>

Task-number: QTCREATORBUG-9944
Change-Id: I614571e05039f24b7d56abdddc15f912581f68f1
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@theqtcompany.com>

Change-Id: Ide74482b133dd1fec40a725d9aa81bd749385f37
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@theqtcompany.com>

Change-Id: I711d5fb475ef814a1dc9d2822740e827f3f67125
Reviewed-by: Alessandro Portale <alessandro.portale@digia.com>

The messages were computed, but not added to the document.

Change-Id: Ibeea802cf9f291ad14b2fe2e9d2a285c927a4449
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@theqtcompany.com>

Change-Id: I3c22ef2685d7aa589f5d0ab74d693653a4c32082
Reviewed-by: Alessandro Portale <alessandro.portale@digia.com>

This mainly takes CppEditorSupport apart.

* Parsing is now invoked by CPPEditorDocument itself by listening to
  QTextDocument::contentsChanged().

* Upon construction and destruction CPPEditorDocument creates and
  deletes an EditorDocumentHandle for (un)registration in the model
  manager. This handle provides everything to generate the working copy
  and to access the editor document processor.

* A CPPEditorDocument owns a BaseEditorDocumentProcessor instance that
  controls parsing, semantic info recalculation and the semantic
  highlighting for the document. This is more or less what is left from
  CppEditorSupport and can be considered as the backend of a
  CPPEditorDocument. CPPEditorDocument itself is quite small.

    * BuiltinEditorDocumentProcessor and ClangEditorDocumentProcessor
      derive from BaseEditorDocumentProcessor and implement the gaps.

    * Since the semantic info calculation was bound to the widget, it
      also calculated the local uses, which depend on the cursor
      position. This calculation got moved into the extracted class
      UseSeletionsUpdater in the cppeditor plugin, which is run once the
      cursor position changes or the semantic info document is updated.

    * Some more logic got extracted:
	- SemanticInfoUpdater (logic was in CppEditorSupport)
	- SemanticHighlighter (logic was in CppEditorSupport)

    * The *Parser and *Processor classes can be easily accessed by the
      static function get().

* CppHighlightingSupport is gone since it turned out to be useless.

* The editor dependency in CompletionAssistProviders is gone since we
  actually only need the file path now.

Change-Id: I49d3a7bd138c5ed9620123e34480772535156508
Reviewed-by: Orgad Shaneh <orgads@gmail.com>
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>

...in CheckSymbols (highlighting backend). CheckSymbols might run
concurrently several times with the same CPlusPlus::Document and modify
the diagnostic messages in an unsave manner. See stack straces below.

While the generated diagnostic messages ("Only virtual functions can be
marked 'final'", "Too few arguments", ...) are useful, they weren't
propagated to the editor widget since several minor versions.

=================================================================
==23724==ERROR: AddressSanitizer: attempting double-free on 0x60c0072fcd00 in thread T528 (Thread (pooled)):
    #0 0x4787c1 in __interceptor_free (/home/nik/dev/creator/creator-ut_clang-qt5/bin/qtcreator+0x4787c1)
    #1 0x7fa15e5da4ac in QTypedArrayData<unsigned short>::deallocate(QArrayData*) /home/nik/usr/qt-5.3.1/include/QtCore/qarraydata.h:234
    #2 0x7fa15e5d87db in QString::~QString() /home/nik/usr/qt-5.3.1/include/QtCore/qstring.h:995
    #3 0x7fa15e5f4f6a in CPlusPlus::Document::DiagnosticMessage::~DiagnosticMessage() /home/nik/dev/creator/creator-ut/src/libs/cplusplus/CppDocument.h:140
    #4 0x7fa15e5f4de2 in QList<CPlusPlus::Document::DiagnosticMessage>::node_destruct(QList<CPlusPlus::Document::DiagnosticMessage>::Node*, QList<CPlusPlus::Document::DiagnosticMessage>::Node*) /home/nik/usr/qt-5.3.1/include/QtCore/qlist.h:432
    #5 0x7fa15e5f4ae9 in QList<CPlusPlus::Document::DiagnosticMessage>::dealloc(QListData::Data*) /home/nik/usr/qt-5.3.1/include/QtCore/qlist.h:784
    #6 0x7fa15e5f47ed in QList<CPlusPlus::Document::DiagnosticMessage>::~QList() /home/nik/usr/qt-5.3.1/include/QtCore/qlist.h:760
    #7 0x7fa15e7533c2 in QList<CPlusPlus::Document::DiagnosticMessage>::clear() /home/nik/usr/qt-5.3.1/include/QtCore/qlist.h:793
    #8 0x7fa15e6f2ed2 in CPlusPlus::Document::clearDiagnosticMessages() /home/nik/dev/creator/creator-ut/src/libs/cplusplus/CppDocument.h:205
    #9 0x7fa15e6c5f5b in CppTools::CheckSymbols::run() /home/nik/dev/creator/creator-ut/src/plugins/cpptools/cppchecksymbols.cpp:337
    #10 0x7fa15e6c83c2 in non-virtual thunk to CppTools::CheckSymbols::run() /home/nik/dev/creator/creator-ut/src/plugins/cpptools/cppchecksymbols.cpp:348
    #11 0x7fa17f0ccab1 (/home/nik/usr/qt-5.3.1/lib/libQt5Core.so.5+0x98ab1)
    #12 0x7fa17f0cfa5e (/home/nik/usr/qt-5.3.1/lib/libQt5Core.so.5+0x9ba5e)
    #13 0x7fa17eaeb181 in start_thread (/lib/x86_64-linux-gnu/libpthread.so.0+0x8181)
    #14 0x7fa17dbec38c (/lib/x86_64-linux-gnu/libc.so.6+0xfb38c)

0x60c0072fcd00 is located 0 bytes inside of 128-byte region [0x60c0072fcd00,0x60c0072fcd80)
freed by thread T539 (Thread (pooled)) here:
    #0 0x4787c1 in __interceptor_free (/home/nik/dev/creator/creator-ut_clang-qt5/bin/qtcreator+0x4787c1)
    #1 0x7fa15e5da4ac in QTypedArrayData<unsigned short>::deallocate(QArrayData*) /home/nik/usr/qt-5.3.1/include/QtCore/qarraydata.h:234
    #2 0x7fa15e5d87db in QString::~QString() /home/nik/usr/qt-5.3.1/include/QtCore/qstring.h:995
    #3 0x7fa15e5f4f6a in CPlusPlus::Document::DiagnosticMessage::~DiagnosticMessage() /home/nik/dev/creator/creator-ut/src/libs/cplusplus/CppDocument.h:140
    #4 0x7fa15e5f4de2 in QList<CPlusPlus::Document::DiagnosticMessage>::node_destruct(QList<CPlusPlus::Document::DiagnosticMessage>::Node*, QList<CPlusPlus::Document::DiagnosticMessage>::Node*) /home/nik/usr/qt-5.3.1/include/QtCore/qlist.h:432
    #5 0x7fa15e5f4ae9 in QList<CPlusPlus::Document::DiagnosticMessage>::dealloc(QListData::Data*) /home/nik/usr/qt-5.3.1/include/QtCore/qlist.h:784
    #6 0x7fa15e5f47ed in QList<CPlusPlus::Document::DiagnosticMessage>::~QList() /home/nik/usr/qt-5.3.1/include/QtCore/qlist.h:760
    #7 0x7fa15e7533c2 in QList<CPlusPlus::Document::DiagnosticMessage>::clear() /home/nik/usr/qt-5.3.1/include/QtCore/qlist.h:793
    #8 0x7fa15e6f2ed2 in CPlusPlus::Document::clearDiagnosticMessages() /home/nik/dev/creator/creator-ut/src/libs/cplusplus/CppDocument.h:205
    #9 0x7fa15e6c5f5b in CppTools::CheckSymbols::run() /home/nik/dev/creator/creator-ut/src/plugins/cpptools/cppchecksymbols.cpp:337
    #10 0x7fa15e6c83c2 in non-virtual thunk to CppTools::CheckSymbols::run() /home/nik/dev/creator/creator-ut/src/plugins/cpptools/cppchecksymbols.cpp:348

Change-Id: Ifab2842ea43aeb26099835966b02d8afc4b85df4
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>

Change-Id: I9bfed2023624c818c0f35f24476693cffeaf2bbc
Reviewed-by: Wang Hoi <wanghoi@126.com>
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>

Change-Id: I4f6011cc2b6127037249aabc2426a88ad7108ebf
Reviewed-by: Orgad Shaneh <orgads@gmail.com>
Reviewed-by: Daniel Teske <daniel.teske@digia.com>
Reviewed-by: hjk <hjk121@nokiamail.com>

In case:

    int a[6] = { [4] = 29, [2] = 15 };
    struct point { int x, y; };
    struct point p = { .y = 3, .x = 2 };

Grammar change when c99 language feature is enabled:
old grammar:

    braced-init-list :: '{' initializer-list '}'

new grammar:

    braced-init-list :: '{' designated-initializer-list '}'
    designated-initializer-list :: designated-initializer (',' designated-initializer )*
    designated-initializer :: designator* initializer-clause
    designator :: '.' identifier
                | '[' constant-expression ']'

Task-number: QTCREATORBUG-1902
Change-Id: Ib99d6f553f8d0f50ba3eff86f3a2e86d73372426
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>

...since it's superseded by the class Matcher.

For consistency, rename FullySpecifiedType::isEqualTo() to match().

Change-Id: I07640f9218d814e0350265de45f05929e5d595a9
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>

...especially in CppTools/CppEditor where the offsets are used with a
QString/QTextDocument.

Change-Id: Ic6d18fbc01fb9cc899a9bd2d7424cd2edae487f1
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>

This will avoid confusion when later more length and indices methods are
added.

In Token:
    length() --> bytes()
    begin() --> bytesBegin()
    end() --> bytesEnd()

Change-Id: I244c69b022e239ee762b4114559e707f93ff344f
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>

Change-Id: Ib5423fdd064e4546f848c0b640b0ed0514c26d3a
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@digia.com>
Reviewed-by: Kai Koehne <kai.koehne@digia.com>

Only methods as programming functions are affected. Besides renaming
some actions like "Switch Between Function Declaration/Definition" this
mostly touches (api) code comments.

This is a follow-up patch to commit 872bfb70.

Change-Id: Icb65e8d73b59a022f8885b14df497169543a3b92
Reviewed-by: hjk <hjk121@nokiamail.com>

Change-Id: Ia36e7e7142dbc030a428369ed04e76e70e8eef0b
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>

example code:
struct S { int s; };

namespace std
{
    template <typename T>
    struct shared_ptr
    {
        T* operator->();
    };
}

namespace NS
{
    using std::shared_ptr;
}

int main()
{
    NS::shared_ptr<S> p;// for this shared_ptr
    return 0;
}

Fixes:
* find usages
* follow symbol
* highlighting
* marking

Task-number: QTCREATORBUG-7978
Change-Id: I28994c960b87ddd400e1d7b860fca6c6683bbb5a
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>

Change-Id: Ic7e634e4249fb64edbc2daceb65ec8e9b5f0f8b9
Reviewed-by: Orgad Shaneh <orgads@gmail.com>
Reviewed-by: Aurindam Jana <aurindam.jana@digia.com>

Change-Id: I1309db70e98d678e150388c76ce665e988fdf081
Reviewed-by: Eike Ziller <eike.ziller@digia.com>

Change-Id: Id107b6c1f34f594c5a01502c156963c964235ed7
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>

It was missing colorizing and follow symbol template function parameters in case of:
* returning value
* use it as qualified name

Task-number: QTCREATORBUG-6861

Change-Id: I4226199e1f296cfe5a373783ebbc633e32fc9bcd
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>

- Moved TextEditor::SemanticHighlighter::Result to
  TextEditor::HighlightingResult
- Moved SemanticInfo::UseKind to CppHighlightingSupport::Kind

Change-Id: I14faab1891ca691a0691cfd9243edf19fcd3d3df
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>

Change-Id: Ie0133893d8b8d35ea2aa599cb8f7d5c2cc55271e
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>

It fixes:
* highlighing
* find usage
* follow symbol

when function of class has the same name as:
* local variable
* template parameter
* other struct/union/class/enum
* function argument

in function scope.

Task-number: QTCREATORBUG-8902
Change-Id: Iddc0f764af689babb40d39460d174bac7b919b31
Reviewed-by: Orgad Shaneh <orgads@gmail.com>
Reviewed-by: Sergey Shambir <sergey.shambir.auto@gmail.com>
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>

Ran script to remove inludes on a trial-and-error basis and
manually corrected it.

Change-Id: Ic8464ea084ca1ab401e9f4a7d0183b92b4038902
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>

... and adjust INCLUDEPATH accordingly.

while i'm at messing with include statements, also re-order the include
blocks according to policy and sort them within bigger blocks.

Change-Id: I7762abfd7c4ecf59432b99db2f424e4fa25733a5
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>
Reviewed-by: Eike Ziller <eike.ziller@digia.com>

Fixed the chunk size calculation, made the sorting more stable, and
fixed the tests.

Change-Id: I81fcffbf2ce9b63dd81f1a0e251200a31220db88
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>

The fix: when finished with a FunctionDefinition, only flush when the
number of usages reaches the chunk size. This should prevent a lot of
chunks with a low number of usages for files with short methods.

The tuning: for files larger than 10000 lines, use a larger chunk size
to prevent the UI thread from having to re-layout/re-paint too often.

Change-Id: I419174d306b8380c6fa8402825767e26c73f62ec
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>

Task-number: QTCREATORBUG-8738

Change-Id: I297731f15bd9001f7edc83c956a15ef660929dc7
Reviewed-by: Mitch Curtis <mitch.curtis@digia.com>
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>

Change-Id: Ia35af9397fe64f4bcf48717830a1a25f4d8c6c36
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@digia.com>

Change-Id: Id42bb1cbf109cac8ab868ab7381a54d6be9a7697
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>

Highlight member variable when there is also
enum value with the same name

Task-number: QTCREATORBUG-7525
Change-Id: I0990844a20fdf9e87a807fde10708344b9c3497b
Reviewed-by: Orgad Shaneh <orgads@gmail.com>
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>

Change-Id: Ic6a9ff0359625021ebc061d22db6811814534205
Reviewed-by: Kai Koehne <kai.koehne@digia.com>

Fix highlighting, find usages, marking for static variables.

Task-number: QTCREATORBUG-6822
Change-Id: I0c97c93c6c1024550907eec3820496df22a94e85
Reviewed-by: Orgad Shaneh <orgads@gmail.com>
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>

Fixing:
* highlighting
* tooltips
* find usage
* selecting

Task-number: QTCREATORBUG-8245
Change-Id: I6e900799e43126706125b7e424567fca2b2c223e
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>