Define 'class-method' context in syntax file

Static and instance methods are now identified as functions.
F12 and shift+F12 can now correctly find definitions and references of class methods.

PowerShell.sublime-syntax

@@ -52,6 +52,7 @@ contexts:
     - include: script-block
     - include: escape-characters
     - include: numeric-constant
+    - include: class-method
     - match: (@)(\()
       captures:
         1: keyword.other.array.begin.powershell
@@ -793,3 +794,17 @@ contexts:
         3: support.variable.drive.powershell
         4: variable.other.readwrite.powershell
         5: punctuation.section.braces.end
+
+  class-method:
+    - match: ^(?:\s*)(?i)(hidden|static)?\s*(\[)((?!\d+|\.)[\p{L}\p{N}.]+)(\])\s*((?:\p{L}|\d|_|-|\.)+)\s*(?=\()
+      scope: meta.function.powershell
+      captures:
+        1: storage.modifier.powershell
+        2: punctuation.section.braces.begin.powershell
+        3: storage.type.powershell
+        4: punctuation.section.braces.end.powershell
+        5: entity.name.function.powershell
+      push:
+        - match: (?=\()
+          pop: true
+        - include: comment-line

Tests/syntax_test_PowerShell.ps1

@@ -916,6 +916,9 @@ function New-File ($Name) { }
 #        @@@@@@@@ definition
 #                         ^ punctuation.section.braces.begin
 #                           ^ punctuation.section.braces.end
+ New-File
+#^^^^^^^^ meta.function-call support.function
+#@@@@@@@@ reference
 function NewFile($Name) { }
 # <- storage.type
 #        ^^^^^^^ entity.name.function
@@ -1129,6 +1132,8 @@ class Vehicle {
 
     [void]Drive([int]$NumberOfMiles) {
 #    ^^^^ storage.type
+#         ^^^^^ meta.function entity.name.function
+#         @@@@@ definition
 #                ^^^ storage.type
 #                    ^ punctuation.definition.variable
 #                     ^ variable.other.readwrite
@@ -1140,9 +1145,23 @@ class Vehicle {
 
     }
     # <- punctuation.section.braces.end
+    static [System.Array] GetAvailableColors() {
+#                         ^^^^^^^^^^^^^^^^^^ meta.function entity.name.function
+#                         @@@@@@@@@@@@@@@@@@ definition
+#   ^^^^^^ meta.function storage.modifier
+#           ^^^^^^^^^^^ meta.function storage.type
+        return 'yellow', 'red'
+    }
 }
 # <- punctuation.section.braces.end
 
+$fiat.Drive(42)
+#     ^^^^^ meta.function-call
+#     @@@@@ reference
+[Vehicle]::GetAvailableColors()
+#          ^^^^^^^^^^^^^^^^^^ meta.function-call variable.function
+#          @@@@@@@@@@@@@@@@@@ reference
+
 # Control words
 foreach ($item in $collection) {
 # <- keyword.control