Implement function to get the QmlJS AST path to a given location.

Will be useful for improved scope chain building.

src/plugins/qmljseditor/qmljseditor.cpp

@@ -510,6 +510,21 @@ AST::Node *SemanticInfo::declaringMember(int cursorPosition) const
     return declaringMember;
 }
 
+QList<AST::Node *> SemanticInfo::astPath(int cursorPosition) const
+{
+    QList<AST::Node *> path;
+
+    foreach (const Range &range, ranges) {
+        if (range.begin.isNull() || range.end.isNull()) {
+            continue;
+        } else if (cursorPosition >= range.begin.position() && cursorPosition <= range.end.position()) {
+            path += range.ast;
+        }
+    }
+
+    return path;
+}
+
 AST::Node *SemanticInfo::nodeUnderCursor(int pos) const
 {
     if (! document)

src/plugins/qmljseditor/qmljseditor.h

@@ -115,6 +115,9 @@ public:
     // Returns the AST node under cursor
     QmlJS::AST::Node *nodeUnderCursor(int cursorPosition) const;
 
+    // Returns the list of nodes that enclose the given position.
+    QList<QmlJS::AST::Node *> astPath(int cursorPosition) const;
+
 public: // attributes
     QmlJS::Document::Ptr document;
     QmlJS::Snapshot snapshot;