Previously, fresh versions of a Document would be added to the
_documentsByPath QMultiHash without removing the old version first.
This means Link could pick up old versions of a Document.

Task-number: QTCREATORBUG-1418

Task-number: QTCREATORBUG-1388
Reviewed-by: Roberto Raggi

Reviewed-by: Roberto Raggi

Done-with: Erik Verbruggen

Reviewed-by: ckamm

Done-with: Erik Verbruggen

Done-with: Erik Verbruggen

At least direct recursion with name="Foo" extends="Foo" is detected
and rejected.

Done-with: Erik Verbruggen

Done-with: Erik Verbruggen

Done-with: Erik Verbruggen

The plan is to use this to reduce the number of applicable
completion options, for instance for enum completion or property
names.

Done-with: Erik Verbruggen

LineInfo can tell whether lines are finished or not.

Done-with: Erik Verbruggen

Done-with: Erik Verbruggen

This used to contain all functions declared in Script blocks. With them
gone, there's no reason to keep it.

Also, a class name is added in qmjs::bind so that we have a class name
for custom properties defined inside a component.

They had not yet been updated to the new way of importing javascript.

Reviewed-by: Erik Verbruggen

Use ScopeBuilder.push(...) for the same functionality.

Reviewed-by: Erik Verbruggen

Task-number: QTCREATORBUG-756

Allows completion of local variable and function names.

Task-number: QTCREATORBUG-942
Reviewed-by: Roberto Raggi

Means their members are now completed correctly.

Task-number: QTCREATORBUG-1132
Reviewed-by: Erik Verbruggen

Task-number: QTCREATORBUG-583
Reviewed-by: Roberto Raggi

Task-number: QTCREATORBUG-1021
Reviewed-by: Erik Verbruggen

Done-with: ckamm

Previously we just scanned every directory containing a qml file for
other qml files.

This makes import ".." work.

Reviewed-by: Erik Verbruggen

To solve import resolution issues on windows.

Reviewed-by: Roberto Raggi

Using canonical paths breaks with symlinked components. Also the editor
filename isn't canonical, so comparing them breaks.

This reverts commit efcdadd2.

Also change the filename->document map to a hash.

Reviewed-by: Roberto Raggi

Otherwise the paths may end up with ../ or /./ in them and confuse the
Qml import resolving.

Reviewed-by: Thomas Hartmann

Reviewed-by: ckamm

The Document thought it was a JS file as it doesn't have the .qml
extension.